Sand mold casting device for valve body

The invention belongs to the technical field of sand mold casting, and discloses a sand mold casting device for a valve body, the sand mold casting device comprises a supporting seat and a casting box, the top and the bottom of the supporting seat are both open, rotating shafts are symmetrically and rotatably mounted on the inner wall of the supporting seat, and the rotating shafts are fixedly sleeved with rotating discs; the same placing frame is fixedly installed at the ends, close to each other, of the two rotating shafts, the casting box is fixedly installed in the placing frame, through holes are formed in the bottom and the two sides of the placing frame correspondingly, a beating mechanism is arranged in the supporting seat, the beating mechanism comprises a plurality of beating blocks, and the beating blocks are fixedly connected with the casting box. The beating blocks are installed in the corresponding through holes in a sliding mode. The bottom and the two sides of the casting ...

玩具（太空舱）

Intelligent mining robot

The invention discloses a detection, measurement and control integrated intelligent mining robot which has digital prediction and analysis capabilities and is used for commanding automatic coal mining, and the intelligent mining robot comprises an intelligent mining robot millimeter wave radar body, and the intelligent mining robot body carries a camera, a laser radar, a millimeter wave radar and a ground penetrating radar. The camera, the laser radar and the millimeter wave radar are used for working face space 3D live-action reconstruction and supporting working face coal-rock interface recognition, and the ground penetrating radar is used for perspective working face coal-rock interface recognition; the data processing system is used for receiving data of the camera, the millimeter wave radar and the ground penetrating radar, processing the data and then commanding linkage of the coal mining machine, the scraper conveyor and the hydraulic support. According to the invention, the intelligent ...

Petroleum pipeline supporting equipment

The invention discloses petroleum pipeline supporting equipment which comprises an embedded pile device, a supporting device and an anti-leakage device, the embedded pile device comprises a spiral rotating pile and a reinforcing assembly, the supporting device comprises a height adjusting mechanism and an auxiliary supporting mechanism, and the anti-leakage device comprises a driving mechanism, two holding mechanisms and a detecting mechanism. Therefore, the spiral rotating pile is used as the pile foundation, the construction procedure during concrete pouring of the pile foundation is simplified, the time cost needed by concrete solidification is saved, meanwhile, the problem that the lateral supporting force is slightly insufficient when the spiral rotating pile is used as the pile foundation is solved, the petroleum pipeline is supported by the pipeline supporting equipment more stably, and the service life of the petroleum pipeline is prolonged. When impact force is generated when petroleum ...

METHOD FOR IMPROVING PRODUCTION PROCESS FOR WIDE-BASE TRUCK RADIAL TIRE

A method for improving a production process for a wide-base truck radial tire. A tire production process can be improved by means of the form of a carcass ply, a design method for a belt ply drum of a tire building machine, and a design method for semi-finished parts of a tire. The method effectively resolves the problem of bending of a carcass ply, and provides a theoretical guidance and technical support for improvement of the performance of a wide-base radial tire. The design method for a belt ply drum of a tire building machine effectively controls the cord stretching rate of a belt ply, thoroughly resolves the problem of uneven stress on cords of the belt ply during shaping, eliminates the abnormal phenomenon of flowing of a sizing material of a tire shoulder of a wide-base tire to the center of a crown in a built-in shaping process, improves the durability of the tire, and has extremely strong implementation and operation properties. The design method for semi-finished parts of a ...

Mine water filter

... 一种矿井水过滤器，其一端连接有进水管，另一端连接有出水管，所述过滤器为中空筒状，其内依次设有三层过滤层，第一层为絮凝体过滤层，第二层为杂质过滤层，第三层为小分子过滤层，各过滤层均通过插口可拆卸的设置于过滤器的筒体内；絮凝体过滤层设有振荡器，废弃水通过进水管进入过滤器，由絮凝体过滤层将粘稠的絮凝体过滤在过滤层上，并通过振动将杂质由杂质过滤层过滤，再经过小分子过滤层，由于小分子过滤层采用纳滤膜，因此溶液及小分子离子通过过滤层由出水管排出，其余留在纳滤膜上，卸掉每层的螺钉，可取出每层过滤层清理；由此，本实用新型通过分层的方式将废弃水分层过滤，具有减轻废弃水后期处理工艺及处理成本的优点。 ...

Cleaning equipment for machining three-way ball valve seat

The cleaning equipment comprises a first conveying belt and a second conveying belt, an auxiliary cleaning device is arranged between the first conveying belt and the second conveying belt, and a vertical plate fixed to the ground is arranged on one side of the auxiliary cleaning device. A top plate is fixedly arranged on the side face of one side of the vertical plate, a rodless air cylinder is fixedly arranged on the bottom face of the top plate, a first air cylinder is fixedly arranged at the movable end of the rodless air cylinder, a clamping device is fixedly arranged on a piston rod of the first air cylinder, and a first spray head is arranged on one side of the clamping device. The auxiliary cleaning device comprises a water collecting tank, a working groove is formed in the top of the water collecting tank, and the outer surface and the inner hole part of the valve seat part of the three-way ball valve can be automatically cleaned, so that the production efficiency is greatly improved ...

Device and method for eliminating residual stress of special-shaped die forging through high-pressure liquid

The invention belongs to the technical field of metallurgical equipment, and particularly relates to a device and method for eliminating residual stress of a special-shaped die forging through high-pressure liquid. A device for eliminating residual stress of a special-shaped die forging through high-pressure liquid comprises an upper die and a lower die, the upper die comprises an upper die plate, a stepped hole is formed in the middle of the upper die plate, a core die is arranged in the small stepped hole, a locking nut is arranged in the large stepped hole, and the shape of the lower portion of the core die is similar to that of the special-shaped die forging. The shape size of the lower portion of the core die is smaller than the appearance size of the special-shaped die forging, a leather bag is arranged on the outer side of the lower portion of the core die, a sealing ring is arranged at the joint of the leather bag and the core die, an oil inlet is formed in the side face of the ...

Method for optimizing dosage of gel breaker of protective fracturing fluid for hypotonic-tight oil and gas reservoirs

The invention relates to the field of petroleum and natural gas, and provides a hypotonic-compact oil and gas reservoir protection fracturing fluid gel breaker dosage optimization method in order to overcome the defects that a fracturing fluid gel breaking performance evaluation method is single, a fracturing fluid gel breaker dosage determination method is single and the like. The method comprises the following steps: determining a residue particle size median value and a D90 range which cannot cause reservoir damage or cannot cause a large amount of gel breaking liquid residues to block a propping agent flow guide channel according to a matching relationship between the residue D90 and a flow guide gap of a to-be-used propping agent, and determining an optimal dosage range of the to-be-used gel breaking agent according to a relationship between the dosage of the gel breaking agent and the particle size of the gel breaking liquid residues. The method can provide a basis for optimization ...

HIGH-PRECISION PHASE LOCKING METHOD FOR INTELLIGENT INTEGRATED LOW-PRESSURE REACTIVE POWER MODULE

Disclosed is a high-precision phase locking method for an intelligent integrated low-pressure reactive power module, the method comprising a multiplicative phase discrimination link (1), a variable frequency period integration link (2), a variable parameter integration separation speed change PI regulation link (3), an angular frequency integration link (4), a frequency estimation link (5), remainder (6), sine (7) and cosine (8). An improved PI regulator uses a variable parameter integration separation speed change PI regulator for regulation, so that the phase locking precision is improved and the static deviation is eliminated under the premise that the rapidity of phase locking can be ensured. An improved loop filter can eliminate the influence of harmonic wave and frequency changes on the output precision of a phase-locked loop when in a steady state.

CONTROL METHOD FOR AIR CONDITIONER, AIR CONDITIONER, AND COMPUTER READABLE STORAGE MEDIUM

Disclosed by the present application are a control method for an air conditioner, an air conditioner, and a computer readable storage medium; the method comprises: acquiring a temperature detected by a first sensor and a temperature detected by a second sensor; on the basis of the current operation mode of an air conditioner, the temperature detected by the first sensor and the temperature detected by the second sensor, determining detection objects corresponding to the first sensor and the second sensor, respectively.

Cylinder body casting machining and grinding device with cooling treatment function

The invention is suitable for the field of casting machining, and provides a cylinder casting machining and grinding device with a cooling treatment function, which comprises a grinding platform and a grinding mechanism, the grinding mechanism comprises a cooling liquid box, and an inner barrel is coaxially arranged on the cooling liquid box in a penetrating mode; a nozzle is arranged at the bottom of the cooling liquid box, and the spraying direction of the nozzle corresponds to the grinding assembly. The grinding assembly is installed at the opening of the bottom end of the inner barrel in a supported mode, the grinding wheel is installed on an output shaft of the grinding motor, and a spraying opening of the nozzle faces the grinding wheel. According to the grinding device, the air inlet fan and the induced draft fan which operate at the same time are utilized, so that air flow is blown to the grinding assembly after passing through the inner barrel, and cooling treatment on the grinding ...

Multi-wheel cooperative turning control system for civil wide-body aircraft

The invention discloses a multi-wheel cooperative turning control system for a civil wide-body aircraft, and the system comprises a first calculation module which is used for calculating the related speed parameters of multiple wheels according to a speed sensor signal and an aircraft sliding speed signal provided by a main wheel antiskid braking system when the aircraft slides on the ground; the second calculation module is used for calculating the overall turning radius of the airplane in real time according to the relevant speed parameters of the multiple wheels and by integrating the airplane and undercarriage layout structure and the airplane load gravity center parameters, and calculating the respective deflection angles of the inner side main wheel and the outer side main wheel under the turning radius according to the asymmetry rule of the left main wheel and the right main wheel; the control module is used for outputting the deflection angle to actuating mechanisms corresponding ...

Adaptation method and system based on heterogeneous cloud computing environment

The invention relates to the technical field of heterogeneous cloud environments, in particular to an adaptation method and system based on a heterogeneous cloud computing environment, and the method comprises the steps: building a standard Cloud Platform Interface, hereinafter referred to as CPI; a standard cloud platform management interface is adopted, and IaaS environment calculation, storage and network function interfaces are developed and realized according to different IaaS environment types; the adaptive method and system based on the heterogeneous cloud computing environment have the beneficial effects that customized drivers are developed for various types of IaaS platforms, module function interfaces of computing, storage, network and the like in CPI are realized, core resources of virtual machines, block storage and the like in various environments are managed and dispatched, a unified cloud resource management capability is provided for the outside, and the adaptive method ...

MULTI-DISULFIDE BRIDGE LONG-CHAIN PEPTIDE HAVING NEUROPROTECTIVE ACTIVITY, PHARMACEUTICAL COMPOSITION AND USES THEREOF

The present invention relates to a multi-disulfide bridge long-chain peptide having neuroprotective activity, a pharmaceutical composition and the uses thereof. The multi-disulfide bridge long-chain peptide that is a very effective neuroprotective agent can reduce intracellular calcium flow by inhibiting the effects of a glutamic acid receptor, so as to protect cortical neurons from excitotoxicity caused by the glutamic acid.

Cantilever beam temporary auxiliary supporting device

The invention relates to the technical field of building construction, in particular to a cantilever beam temporary auxiliary supporting device which comprises an adjusting base, four assembling supporting columns are fixedly connected to the upper surface of the adjusting base, and telescopic connecting rods are fixedly installed at the tops of the two sides of every two adjacent assembling supporting columns; the two sides of the upper surface of the adjusting base are each provided with two asynchronous moving supporting assemblies. Through the arrangement of the adjusting base and the assembling supporting columns, in the actual use process, according to the size of a cantilever beam to be supported, the adjusting base can be adjusted left and right, the positions of the assembling supporting columns are changed, the cantilever beam can be well supported, and under the cooperation of the four assembling supporting columns, the cantilever beam can be stably supported; and after being ...

Lifting assembly, storage device and movable refrigerator

The invention discloses a lifting assembly, a storage device and a movable refrigerator, the lifting assembly comprises a supporting mechanism and a driving mechanism, the supporting mechanism comprises a stand column and a sliding sleeve, the two sides of the upper end of the stand column are connected with first steering wheels, the inner wall of the sliding sleeve is connected with two pulley blocks, and each pulley block comprises a first movable pulley and a second movable pulley; the driving mechanism comprises a motor and two winding devices, each winding device comprises a reel, a first inhaul cable and a second inhaul cable, the two winding devices are symmetrically distributed on the two sides of the lower end of the stand column, the two reels are connected to a rotating shaft, the motor is in transmission connection with the rotating shaft, and the reels are provided with first winding grooves and second winding grooves at intervals in the axial direction. One end of the first ...

Proppant and preparation method thereof

The invention discloses a proppant and a preparation method thereof. The proppant comprises a hollow ellipsoid A (1), a hollow ellipsoid B (2), a hollow ellipsoid C (3), a hollow ellipsoid D (4) and a ceramic solid part (5), wherein the hollow ellipsoid A (1), the hollow ellipsoid B (2), the hollow ellipsoid C (3) and the hollow ellipsoid D (4) are in 90-degree rotational symmetry distribution in the proppant by taking a central axis (6) as a rotational symmetry axis and a sphere center (7) as a rotational symmetry center, the long radius a is 96-422 microns, the short radius b is 64-212 microns, the short radius c is 64-212 microns, and the relationship among the long radius a, the short radius b and the short radius c is egt; b is greater than or equal to c, and the long radius a is parallel to the central shaft (6); the ceramic solid part (5) is prepared from the following raw material components in percentage by weight: 58.5 to 64.5 percent of Al2O3 powder and 35.5 to 41.5 percent of ...

Intelligent sorting device and working method thereof

The invention relates to the technical field of steel plate machining and sorting, and discloses an intelligent sorting device which comprises a sorting driving assembly, a sorting clamping assembly is fixedly arranged at the end of a steel beam frame, the sorting driving assembly corresponds to a to-be-cut piece, and a part tray is arranged on the outer side of the steel beam frame. The invention further discloses a working method of the intelligent sorting device, according to the whole sorting operation, the quick-change tool disc returns to the initial position, free switching of the code spraying tool, the light tool clamp and the heavy tool clamp is automatically achieved according to the size of parts in a layout map, and code spraying or sorting operation is started after the tool clamps are installed; motion control over the sorting assembly is conveniently achieved through the motion state of the plasma cutting machine, and the purpose of maximizing the sorting efficiency is achieved ...

Detection kit for available chlorine in disinfectant

The invention relates to the technical field of effective detection, and relates to a detection kit for available chlorine in a disinfectant. The tank body comprises a transparent lower tank body and a transparent upper tank body, and an opening of the lower tank body is detachably communicated with an opening of the upper tank body; a first reagent tube, a second reagent tube, a third reagent tube and a fourth reagent tube are arranged in the upper tank body, the upper parts of the first reagent tube, the second reagent tube, the third reagent tube and the fourth reagent tube are connected with the upper side wall of the upper tank body, and openings are formed in the tops of the first reagent tube, the second reagent tube, the third reagent tube and the fourth reagent tube; slidable plugs are arranged on the inner side walls of openings of the first reagent tube, the second reagent tube, the third reagent tube and the fourth reagent tube; liquid outlets are formed in the bottoms of the ...

Solar photovoltaic device floating on water

The invention discloses a solar photovoltaic device floating on water in the technical field of solar photovoltaic power generation, the solar photovoltaic device comprises a floating plate and a solar photovoltaic panel, connecting grooves are formed in the middle of the left side and the middle of the bottom end of the floating plate, connecting bases matched with the connecting grooves are installed in the middle of the right side and the middle of the top end of the floating plate, and buffer assemblies are arranged in the connecting bases; the buffer assembly comprises an arc-shaped elastic piece, a dismounting and mounting mechanism is arranged between the connecting groove and the connecting base, the dismounting and mounting mechanism comprises locking blocks, two sets of locking grooves matched with the locking blocks are formed in the connecting base, four sets of notches are formed in the floating plate, anti-seismic assemblies are arranged in the notches, and each anti-seismic ...

Ransomware behavior detection method and system based on bait file monitoring

The invention discloses a bait file monitoring-based ransomware behavior detection method and system, and the system comprises a bait file construction module, a bait file generation module, a bait file deployment module, a bait file monitoring module, a ransomware real-time detection module, a log recording module, and a ransomware analysis module. The method comprises the following steps: 1) constructing a certain number of bait files according to a certain rule; 2) deploying a bait file to a specified position of a system; 3) monitoring the change of the deployed bait file so as to accurately and timely detect the ransomware; 4) completely recording the log in the process, and summarizing behaviors of the ransomware virus; 5, the bait file construction, deployment and detection rules are perfected according to the summarized behaviours.According to the method and system for effectively detecting the ransomware behaviors, the bait file constructed automatically is monitored, and the best ...

REACTION SYSTEM AND METHOD FOR PREPARING HALOGENATED BENZALDEHYDE BY OXIDIZING HALOGENATED TOLUENE

Disclosed are a reaction system and method for preparing a halogenated benzaldehyde by oxidizing a halogenated toluene. The reaction system comprises: a batching tank and a gas-liquid intensification reactor connected in sequence. After a solvent, a halogenated toluene, and a catalyst enter the batching tank and are mixed uniformly, the mixture enters the gas-liquid intensification reactor and undergoes an intensified reaction. A side wall of the gas-liquid intensification reactor is provided with an oxygen inlet, and the bottom of the gas-liquid intensification reactor is provided with a mixture outlet. The mixture outlet is connected to a rectification column for rectification and separation. Substances flowing out of the bottom of the rectification column enter a flash column where the substances are separated, and a substance output from the top of the flash column enters a product column where the product is purified to give a halogenated benzaldehyde. The disclosed reaction system ...

Carbon brush heat dissipation and cooling relative fixing device

The invention relates to the technical field of carbon brushes, in particular to a carbon brush heat dissipation and cooling relative fixing device which comprises a generator hood, a current collection fixing assembly, a heat dissipation mechanism, a U-shaped block arranged on the outer surface of a current collection ring set, a first heat dissipation sheet fixedly arranged at the upper end of the U-shaped block and a second heat dissipation sheet fixedly arranged at the lower end of the U-shaped block. The beneficial effects of the invention are that the clamping sleeve type cooling fins are added on the upper layer and the lower layer of the collector ring, the clamping sleeve type cooling fins are directly clamped on the collector ring, and along with the rotation of a unit, the cooling fins generate wind blowing to the outer side so as to cool the carbon brush on the outer side and blow away carbon powder gathered around the carbon brush at the same time, so that the carbon powder ...

Heat sink material of diamond copper

... 本实用新型是金刚石铜双面覆铜热沉材料，其结构是由金刚石铜芯材L1和双面无氧铜片复合构成的三明治结构，其中金刚石铜L1的表面是金刚石铜芯材表面镀镍层L2，金刚石铜芯材表面镀镍层L2的表面是无氧铜片底面的银铜焊料L4，无氧铜片底面的银铜焊料L4的表面是上表面无氧铜L6，金刚石铜L1的底面是金刚石铜芯材底面镀镍层L3，金刚石铜芯材底面镀镍层L3的底面是无氧铜片表面银铜焊料L5，无氧铜片表面银铜焊料L5的底面是底面无氧铜L7。优点：金刚石铜双面覆铜热沉材料用于固态微波大功率器件可实现优良的散热和高可靠性，与传统钨铜材料相比，亦可起到减重的作用。 ...

Method for evaluating rotor end surface clearance of internal gear pump

The invention discloses an internal gear pump rotor end surface gap evaluation method. The method comprises the following steps: 1) establishing a space rectangular coordinate system O-XYZ on an internal gear pump rotor; 2) acquiring coordinates corresponding to the displacement sensor; 3) evaluating the end face clearance of the driven gear according to the coordinate of the displacement sensor and a driven gear end face clearance algorithm; and 4) evaluating the end face clearance of the driving gear according to the coordinates of the displacement sensor and a driving gear end face clearance algorithm. Measurement errors can be reduced by arranging displacement sensors as few as possible.

Perovskite film layer preparation system and method with continuous feeding function

The invention discloses a perovskite film layer preparation system and method with a continuous feeding function. The system comprises a transmission device, a substrate frame device, a spraying device, a pre-air-drying device, a vacuumizing drying device and an evaporation device, the substrate frame device is driven by the transmission device to move, the substrate frame device is provided with a mounting cavity, a first opening is formed in the upper side of the mounting cavity, a second opening is formed in the lower side of the mounting cavity, and a spraying plate is mounted at the second opening; the spraying plate covers the second opening, a substrate is placed at the first opening, the substrate covers the first opening, the substrate is located over the spraying plate, the spraying device sprays a precursor solution onto the spraying plate to form a wet film, the pre-air-drying device pre-air-dries the wet film, and the vacuum-pumping drying device dries the pre-air-dried wet ...

Large-size silicon carbide epitaxial gas supply device and supply method

The invention discloses a large-size silicon carbide epitaxial gas supply device which comprises a shell internally provided with a ventilation cavity, the middle of the ventilation cavity is enclosed by a main partition plate to form a main passage, and the extension direction of the main passage is consistent with the extension direction of the ventilation cavity; a peripheral bypass for hydrogen circulation is formed between the outer wall of the main partition plate and the inner wall of the ventilation cavity; two inner transverse partition plates are arranged in the main passage in parallel, and main gas passages for precursor gas and doped gas to circulate are respectively formed between the two inner transverse partition plates and between the inner wall of the main partition plate and the side wall of any one of the inner transverse partition plates. According to the large-size silicon carbide epitaxial gas supply device, the concentration uniformity adjusting effect of the large-size ...

PREDICTIVE CONTROL-BASED OPEN-CIRCUIT FAULT DIAGNOSIS METHOD FOR MATRIX CONVERTER SWITCH

A predictive control-based open-circuit fault diagnosis method for matrix converter switch comprises the following steps: when a matrix converter functions normally, establishing a relationship model between an output voltage and an input voltage, and between an input current and a load current (S1); determining a count of combined switch states of the matrix converter (S2); establishing a state-space model to obtain predicted values of the load current, the input current and the input voltage in next sampling period (S3, S4); determining an evaluation function (S5); adopting, in each sampling period, a finite control set-model predictive control (FCS-MPC) strategy, to select, among the combined switch states, a switch state in which an evaluation function value is minimum as a switch state for a next sampling period (S6); establishing a state-space model to obtain a variation rule of a fault phase load current after occurrence of an open-circuit fault (S7); and performing online monitoring ...

Method for evaluating substance stability based on decomposition originating bond in energetic compound molecular crystal

The invention belongs to the field of computational chemistry of energetic materials, and particularly relates to a method for evaluating substance stability based on decomposition of an initial bond in an energetic compound molecular crystal, so as to solve the technical problems that a bond energy method is not suitable for a molecular crystal model and a bond level method cannot transversely compare the substance stability of the compound. According to the method, by calculating the energy levels of the chemical bonds in the molecular crystal of the energetic compound, the strength of all the chemical bonds in the system can be longitudinally compared, the decomposition originating bonds can be judged, the energy levels of the decomposition originating bonds of different energetic compounds can be transversely compared, the substance stability of the energetic compounds can be judged, and the defects of a'bond level method 'in the prior art are overcome.

Double-layer composite ceramic fiber filter pipe with flue gas dust removal, nitrous oxide removal and dioxin removal functions and preparation method of double-layer composite ceramic fiber filter pipe

The invention discloses a double-layer composite ceramic fiber filter tube with flue gas dust removal, nitrous oxide removal and dioxin removal functions and a preparation method of the double-layer composite ceramic fiber filter tube. The ceramic fiber tube used in the method is composed of an outer filter layer and an inner catalyst layer. The ceramic fiber tube provided by the invention is high in dust removal efficiency and nitrous oxide and dioxin removal efficiency at 150-400 DEG C, the preparation process is simple and few in flow, active components are uniformly dispersed on the carrier, the loading capacity is adjustable, the bonding strength is high, the material can realize integrated treatment of dust, nitrous oxide and dioxin, the treatment flow of industrial tail gas purification is efficiently simplified, and the industrial tail gas treatment cost is reduced. The flue gas treatment cost is reduced.

RED LIGHT VIOLATION WARNING METHOD AND DEVICE

A red light violation warning method and device (50), relating to the technical field of traffic control, and employed to determine that a vehicle, on the verge of running a red light, needs to accelerate so as to pass the light, and to then notify the driver of said determination, thereby improving the user experience. The method comprises: a red light violation warning device determining that a vehicle is at risk of running a red light (201); calculating a vehicle guidance speed (202), wherein the vehicle guidance speed is a vehicle speed required for the vehicle to safely pass through an intersection; and if the current speed of the vehicle is less than the vehicle guidance speed, determining that the vehicle needs to accelerate, and sending a first alert message to a driver of the vehicle (203), wherein the first alert message is used to alert the driver of the risk of running a red light and the need to accelerate so as to pass the light.

Display module based on computer

The utility model discloses a computer-based display module which comprises a protection frame, a motor is fixedly installed on one side of the protection frame, the output end of the motor penetrates through the protection frame to be fixedly connected with a shaft rod, a bearing is fixedly arranged at the joint of the protection frame and the output end of the motor, and one end of the shaft rod is fixedly connected with a fixing seat fixedly arranged on one side of a display. According to the display module based on the computer, the two heat dissipation fans are powered on to release wind energy to dissipate heat of the displayer, the situation that internal components of the displayer break down due to too high temperature is avoided, the controller controls the motor to drive the displayer to rotate, the pitching angle of the displayer can be conveniently adjusted, and the display module is convenient to use. And the dust on the surface of the display is cleaned by sliding the cleaning ...

Wafer thickness measuring system and method

The invention discloses a wafer thickness measuring system and method. The system comprises a display module, an industrial personal computer, an electrical control module and a signal acquisition module. The signal acquisition module comprises a photographing unit, a gas control unit and a thickness measuring unit. And the display module is used for acquiring the initial thickness, the target thickness, the preset threshold value and the time frequency of the wafer and displaying a test result. The industrial personal computer sends a test signal to the electrical control module according to the time frequency, sends a test instruction to the electrical control module, receives and calculates test data and then sends a test result to the display module. The electrical control module controls the photographing unit to photograph according to the test signal, then sends picture data to the main control computer, receives and controls the gas control unit and the thickness measuring unit ...

High-thermal-conductivity wave-absorbing rubber sheet and preparation method thereof

The invention discloses a high-thermal-conductivity wave-absorbing rubber sheet and a preparation method thereof. The silicon carbide phase change composite material is prepared from the following raw materials in parts by mass: 100 parts of vinyl silicone oil, 200 to 800 parts of carbonyl iron, 100 to 300 parts of silicon carbide, 100 to 300 parts of phase change microcapsules, 400 to 1000 parts of diamond, 2 to 8 parts of a cross-linking agent, 0.1 to 0.8 part of an inhibitor, 0.1 to 0.8 part of a platinum catalyst and 1 to 5 parts of a coupling agent. The preparation method comprises the following steps: adding the vinyl silicone oil, the carbonyl iron, the silicon carbide, the phase change microcapsules, the diamond and the coupling agent into a stirrer, uniformly stirring at a high temperature, after the materials are cooled, adding the cross-linking agent, the inhibitor and the platinum catalyst, uniformly stirring, and finally, carrying out vacuum defoaming, rolling into sheets and ...

Backscatter communication method and device, electronic equipment and medium

The invention discloses a backscatter communication method and device, electronic equipment and a storage medium, and belongs to the field of communication. The method comprises the following steps: acquiring equipment information of a plurality of backscattering equipment; the equipment information comprises a time delay requirement of each backscattering equipment; performing clustering processing on the plurality of backscattering devices according to the device information to obtain M groups; determining the average time delay of each group of backscattering equipment according to the time delay requirement; according to the sequence of the average time delays from small to large, sequentially sending excitation signals to each group of backscattering equipment; receiving uplink signals returned by the plurality of backscattering devices; and the uplink signal is obtained by coding and modulating the received excitation signal by each backscattering device based on the corresponding ...

Ground taxiing control system of multi-wheel aircraft

The invention discloses a ground taxiing control system for a multi-wheel aircraft. The ground taxiing control system comprises a taxiing power control module, a lateral deviation control selection module, a main wheel differential control module and a front wheel steering control module. The taxiing power control module collects coupled aircraft state variables to drive and control the taxiing motion of the aircraft; the lateral deviation control selection module is used for acquiring a lateral deviation variable and an aircraft taxiing speed, comparing the aircraft taxiing speed with a speed threshold value, and outputting a lateral deviation signal and the lateral deviation variable to the main wheel differential control module or the front wheel steering control module; the main wheel differential control module is used for acquiring a lateral deviation signal and a lateral deviation variable, performing brake control on a main wheel on the left side or the right side according to the ...

Gas release control method and device, computer equipment and storage medium

The invention discloses a gas release control method and device, computer equipment and a storage medium. The method comprises the steps that whether a driver enters a fatigue state or not is judged; if the driver enters the fatigue state, fatigue intervention parameters are obtained, and fatigue intervention gas is released according to the fatigue intervention parameters; after the fatigue intervention gas is released, whether the driver quits the fatigue state or not is judged; and if the driver does not exit the fatigue state, adjusting the fatigue intervention parameter, and releasing the fatigue intervention gas according to the adjusted fatigue intervention parameter. According to the invention, the intervention parameters are adjusted according to the change of the fatigue state of the driver to release different fatigue intervention gases, so that the intervention effect of the fatigue intervention gases on the fatigue state of the driver is ensured.

Motion control method of mobile refrigerator, controller, mobile refrigerator and storage medium

The invention provides a movement control method of a movable refrigerator, a controller, the movable refrigerator and a storage medium, the movable refrigerator comprises a moving mechanism and a box body, the box body is arranged on the moving mechanism, and the moving mechanism is used for driving the box body to move. The box body is provided with a movement mechanism used for bearing or storing and taking food. Specifically, the motion control method of the mobile refrigerator comprises the steps that the current state of the mobile mechanism is obtained; and when the current state is the moving state, controlling the moving mechanism to stop moving. Due to the fact that the mobile refrigerator may jolt in the moving period, in order to reduce the situations such as food dumping caused by moving jolt, the coordination relation between the moving mechanism and the moving mechanism is defined, and it is stipulated that the moving mechanism needs to be controlled to stop moving under ...

Enhanced poly-L-lactic acid piezoelectric film as well as preparation method and application thereof

The invention discloses an enhanced poly-L-lactic acid piezoelectric film as well as a preparation method and application thereof, and belongs to the technical field of piezoelectric materials. The hydrophobic ionic liquid doped poly-L-lactic acid piezoelectric film comprises the following raw materials: poly-L-lactic acid; a hydrophobic ionic liquid; wherein the hydrophobic ionic liquid comprises at least one of a compound containing bis (trifluoromethanesulfonyl) imide, a compound containing methylimidazole hexafluorophosphoric acid, a compound containing methylimidazole tetrafluoroboric acid and a compound containing methylimidazole hexafluoroantimonic acid. The hydrophobic ionic liquid is added into the poly-L-lactic acid, so that the crystallinity of the poly-L-lactic acid film can be improved, and the crystallization orientation of the poly-L-lactic acid film is more easily improved by combining a post-treatment process, so that the piezoelectric property of the poly-L-lactic acid ...

动态组合式网站广告刊播管理系统及其方法

This invention relates to a dynamic combined network station advertisement publish and broadcast management system and its method. When a network station system needs connection of web pages, it can timely get a lot of advertisement contents at different levels to be coded and inserted into the connected web pages in a way of connecting to its database dynamically and played in a single advertisement sheet in the web pages, among which, the system includes: the advertisement publishing system, a database and a play system providing management operation to the advertisement publish and its connection broadcast programs.

Gasengine with multiple cooling method

... 本实用新型提供一种带有多种冷却方式的燃气机。包括有燃气机本体，增压系统，进气系统和排气系统，所述的增压系统包括有压缩机，管道和储气筒，并设置有水冷装置；所述的进气系统的管道内依次安装有进气关断阀、进气阻火器，其中所述的进气关断阀为黄铜散热阀，进气关断阀处的进气管内安装有蜂窝式金属空气过滤网，所述的进气阻火器的外壳上包裹有一层高导热性散热硅脂；所述的进气系统的管道上还安装有进气调节装置；所述排气系统连接有一个空空中冷器。本实用新型能够在压缩气体做功的情况下，通过多种冷却方式，降低燃气机表面温度，提高工人的安全系数，并且有利于废气排放环保指标。 ...

Recombinant gene for increasing protein expression level and expression duration of cotransfected mRNA (messenger Ribonucleic Acid) and application of recombinant gene

The invention discloses a recombinant gene for increasing the protein expression level and expression duration of co-transfected mRNA (messenger Ribonucleic Acid), and belongs to an mRNA gene engineering technology. The polypeptide coded by the recombinant gene has ribonuclease III activity, is not inhibited by a ribonuclease inhibitor and does not degrade single-chain RNA (Ribonucleic Acid); the recombinant gene and the target gene can be constructed in series or in parallel to form fusion protein or independently expressed recombinant protein; or 2A peptide, internal ribosome entry sites and the like are used for isolation, and independent recombinant enhanced protein and target protein are expressed; the recombinant enhanced protein inhibits a host cell innate immune mechanism and an mRNA degradation mechanism by degrading dsRNA, tRNA, miRNA and precursor molecules thereof, so that the protein expression level of a co-transfected gene is improved by 3-4 times, and the expression time ...

Interface calling regulation and control method, device and system

The invention discloses an interface calling regulation and control method, device and system, and relates to the technical field of communication. The method comprises the steps that a historical calling time sequence of an interface calling party, the actual calling duration of the current moment and the predicted calling duration are acquired, wherein the historical calling time sequence comprises multiple actual calling durations of the interface calling party for an interface in a historical time period; according to a plurality of actual call durations included in the historical call time sequence, the actual call duration of the current moment and the predicted call duration of the current moment, calculating the predicted call duration of the next moment; configuring the interface calling timeout duration of the interface at the next moment according to the predicted calling duration of the next moment; and according to the interface calling timeout duration of the interface at ...

ARRAY SUBSTRATE AND MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE

An array substrate and a manufacturing method thereof, and a display device. The array substrate comprises a first electrode (1), a second electrode (2) and an insulation layer (4) positioned between the first electrode (1) and the second electrode (2). The second electrode (2) comprises multiple electrode units (22). The electrode unit (22) comprises an electrode strip (21) and an insulated passivation wall (3) held within the electrode strip (21). The array substrate has a higher transmittance.

Pit water separation processor

... 一种矿井水分离处理器，包括进水管，进水管连接至混凝沉淀罐，且混凝沉淀罐、过滤罐、化学反应罐、蒸发结晶罐依次连通，该蒸发结晶罐再连接出水管，其中，混凝沉淀罐上端设有放料口，下端设有排空管，过滤罐内设有过滤层，化学反应罐上端设有进料口，下端设有卸料口，蒸发结晶罐内部设有加热器，下端设有出料口，废弃水通过进水管进入混凝沉淀罐，加入药剂促进絮凝体的形成，搅拌后沉淀，沉淀物经排空管排出，上层废水进入过滤罐，将杂质过滤，废液进入化学反应罐，加入化学品中和，部分产物经卸料口卸出，液体进入蒸发结晶罐，蒸发结晶，晶体排出后，分离处理后的液体由出水管排出；由此，本实用新型结构简单，有效提高废弃水整体处理效率。 ...

GPU processor system

The invention relates to the field of computers, in particular to a GPU processor system which comprises N GPU chips and a first video memory H1j on a graphics card to which the GPU chip Cj belongs, and the GPU chip Cj comprises a first video memory controller MC1j and a first cross-chip interconnection device; the system further comprises a video memory expansion device, wherein the video memory expansion device Ei comprises a second video memory controller MC2i, a second video memory H2i and a second cross-chip interconnection device SACi; the qth first cross-chip interconnection device FACjq and the SACi are interconnected by using an interconnection bus of a non-QPI bus; mC1j does not control the access of H2i, and MC2i does not control the access of H1j; and other GPU chips except the Cj do not directly access the MC2i or access the MC2i through the FACjq and the SACi, so that the system increases the independent video memory special for the GPU with relatively high compatibility and ...

High-strength steel casting punching machine capable of preventing tool bit from inclining and anti-fracture method of high-strength steel casting punching machine

The invention discloses a high-strength steel casting punching machine capable of preventing a tool bit from inclining and an anti-fracture method thereof, and relates to the technical field of punching, the high-strength steel casting punching machine comprises a supporting mechanism, a hydraulic cylinder, a punching tool bit and a reinforcing mechanism, the supporting mechanism and the hydraulic cylinder form punching equipment, and the telescopic end of the hydraulic cylinder is connected with the punching tool bit; the two lifting plates are symmetrically fixed to the edge of the bottom end of the supporting disc, the two extending cross beams are rotationally connected with the two threaded holes in an inserted mode, the ends of the reinforcing rods are rotationally connected with the ends, close to each other, of the two extending cross beams, the outer walls of the ends of the two extending cross beams slidably extend into the guide through holes, and the reinforcing rods are slidably ...

Pulse modulation method based on three-level converter, transmission control device and computing equipment

The invention discloses a pulse modulation method and device for a three-level converter and computing equipment, and the method comprises the steps: carrying out the normalization of a vector space, and generating a normalized sector; converting a target vector into a corresponding vector in the normalized sector, and recording the vector as a normalized vector; selecting a reference vector with the same angle as the normalized vector on the reference circle, and calculating to obtain action time of a basic vector for synthesizing the reference vector; according to a buck chopping rule, obtaining action time of the basic vector and the zero vector when the normalized vector is synthesized; carrying out vector transformation operation to obtain three latest basic vectors and action time of the normalized vector; according to the vector switching sequence, the basic vector corresponding to the normalized vector and the action time form a switching sequence diagram of the normalized vector ...

BIODEGRADABLE TEMPERATURE RESISTANT MATERIAL CONTAINING FIBER BASE AND POLYLACTIC ACID AND METHOD FOR PREPARING SAME

The present invention relates to a biodegradable temperature resistant material containing fiber base and polylactic acid and a method for preparing same. The biodegradable temperature resistant material is obtained by mixing the following raw materials by weight: 30%-60% of polylactic acid, 30%-50% of fiber powder, 5%-20% of crosslinking modifier, 5%-10% of additive, and 1%-10% of inducer. The method for preparing a biodegradable temperature resistant material comprises: drying and carrying out hydrophobic treatment for the fiber powder for 2-4 hours firstly; mixing the fiber powder, the crosslinking modifier, the additive and the inducer in a high-speed mixer uniformly and controlling the temperature below 110°C; molding the mixer by an extruder and heating the molded product at the temperature of 105-150°C for 10-30 seconds; and cooling the generated product to obtain the finished product. The biodegradable temperature resistant material has the advantages of good temperature resistance ...

Oxadiazon in the production process of the device for recovering methanol

... 本实用新型公开了一种噁草酮生产过程中的甲醇回收装置，其包括有甲醇回收釜，甲醇回收釜与用于噁草酮生产的反应釜之间通过回收管道进行连接，所述反应釜内导通有用于回收甲醇的蒸汽；所述回收管道之中包括有过滤管段，其采用U形结构，过滤管段的外部设置有贴合于过滤管段进行延伸的冷凝夹套，冷凝夹套内部导通有蒸汽，且其蒸汽温度小于反应釜内蒸汽温度；所述过滤管段的底部设置有排液口，其导通至反应釜之中；采用上述技术方案的噁草酮生产过程中的甲醇回收装置，其可在确保甲醇得以高效回收的同时，有效避免甲醇回收时造成噁草酮粗品的损耗。 ...

Interwell gas channeling and channeling sealing physical simulation device and simulation method

The invention discloses an inter-well gas channeling and channeling sealing physical simulation device and a simulation method, the inter-well gas channeling and channeling sealing physical simulation device comprises a gas reservoir kettle body, a production and injection system and an information acquisition system, formation conditions are simulated in the gas reservoir kettle body, and an injection well, a production well and a monitoring well which are communicated with the bottom of a formation are arranged above the gas reservoir kettle body; the production and injection system and the information acquisition system are connected to the gas reservoir kettle body, the production and injection system is used for injecting and extracting formation fluid, and the information acquisition system comprises a gas monitor, a computer and an information collector and can perform pressure feedback on inter-well interference under different communication degrees; the used fluid and the plugging ...

Fixed extrusion structure for large flat extrusion container

The invention provides a fixed extrusion structure for a large flat extrusion container. Comprising a gasket (1), a fixed dummy block mandrel (2), a nut (3), a pin (4) and a fixed dummy block jacket (5), the fixed extrusion pad outer sleeve (5) is of a double-glasses-cylinder structure and is matched with the flat extrusion cylinder lining for use; the fixed extrusion pad outer sleeve (5) is in contact with the gasket (1) through a conical surface; and the gap between the step surface of the gasket (1) and the step surface of the fixed extrusion pad jacket (5) is 2mm. The expansion ring structure which is the same as the flat extrusion container in shape is adopted, it is guaranteed that the fixed extrusion pad outer sleeve 5 is tightly attached to the lining surface of the flat extrusion container after being expanded, and aluminum return in the extrusion process is prevented; and the complete elastic deformation of the fixed extrusion pad jacket 5 is designed to be 40% of the full tonnage ...

Portable scaffold device capable of being lifted and overhung without power supply

The invention relates to the technical field of scaffolds, and particularly discloses a power-supply-free lifting overhanging convenient scaffold device which comprises a supporting frame body, a lifting mechanism located in the middle and an operation platform located on the upper portion. The supporting frame body comprises four supporting rods, the tops of the outer walls of the supporting rods are sleeved with sleeve rods, and the operation platform is arranged at the tops of the outer walls of the four sleeve rods; the lifting mechanism comprises fixing rods arranged on the two sides of the supporting frame body, the interiors of the fixing rods are in threaded connection with screws, the tops of the fixing rods are rotationally connected with first bevel gears through bearings, and the screws are in threaded connection with the first bevel gears. The problem that a traditional scaffold is inconvenient to lift is solved, power supply use can be avoided, energy is saved, the maintenance ...

High-strength structured solid-state lithium battery system with three-dimensional stacked structure

The invention relates to the field of solid-state lithium batteries, in particular to a high-strength structured solid-state lithium battery system with a three-dimensional stacking structure. According to the invention, the circuit substrate printed on both sides is adopted, and the polymer filler is introduced into the same layer to separate, insulate and fix the single batteries, so that the single batteries can be miniaturized, highly integrated, multifunctional and integrated to form a battery system, thereby greatly improving the space utilization rate and further providing larger current, voltage and capacity for a load. Besides, the interiors of the batteries with the three-dimensional stacked structures are mutually isolated through polymer fillers, so that the battery cells have relatively independent current networks, the whole battery system is not influenced by a certain damage, the influence of a single battery on the battery system is reduced, and the safety of the battery ...

Modular installation method for gravity dust collector

The invention relates to the technical field of modular installation methods of gravity dust collectors, and solves the problems of low efficiency, large overhead working amount and long installation period if a conventional belt-by-belt installation method is adopted due to the fact that a gravity dust collector shell is high in height and large in diameter, and the upper end and the lower end of the gravity dust collector are of cone structures in the prior art. According to the evaluation patent, through ground assembly and modular hoisting, rapid installation of the gravity dust collector shell is achieved, the work efficiency is improved, high-altitude operation is reduced, and the safety risk is reduced.

Temperature control system and aging test box

The invention discloses a temperature control system and an aging test box. Wherein the temperature control system comprises an air circulation cavity and a temperature adjusting system, the air circulation cavity is suitable for installing an aging test main control chip, the air circulation cavity is provided with an aging test board, and the aging test board comprises an identity recognition circuit. The temperature adjusting system comprises an air inlet and outlet device, an air inlet and outlet control valve and a control panel. The air inlet and outlet control valve is arranged on an air inlet and outlet pipeline of the air inlet and outlet device and used for controlling the air inlet and outlet state of the air inlet and outlet device. When the air circulation cavity is located at the test position, the air circulation cavity is connected with the air inlet and outlet pipeline, the identity recognition circuit is connected with the control panel, and the control panel is used for ...

Damping platform for tower crane

The invention discloses a damping platform for a tower crane, which specifically comprises a load-bearing box, the load-bearing box is provided with a smooth inner wall and a support groove arranged outside the load-bearing box, a limiting mechanism is arranged in the support groove, the bottom of the load-bearing box is fixedly connected with a processing mechanism, and the processing mechanism is fixedly connected with the load-bearing box. The exterior of the bearing box is fixedly connected with a first bearing, the exterior of the first bearing is rotatably connected with a connecting plate, and a fixing mechanism is arranged above the connecting plate; the inner groove is provided with a stable lower plate and a buffering and damping mechanism arranged in the inner groove, and a plurality of circulation holes are formed in the inner groove; the limiting mechanism comprises a water tank, the water tank is provided with a stable bottom plate and a second bearing arranged outside the ...

Three-dimensional hinge

A three-dimensional hinge comprises a left hinge body, a right hinge body and a hinge shaft, tooth insertion shaft holes are formed in the vertical edges of the left hinge body and the right hinge body, the hinge shaft is inserted into the tooth insertion shaft holes formed after mutual insertion, the left hinge body serves as a vertical hinge piece, a longitudinal hinge piece is additionally arranged, and the longitudinal hinge piece is directly and perpendicularly generated on the vertical edge, close to the tooth insertion shaft holes, of the vertical hinge piece. A two-dimensional right-angle-shaped left page group is formed; the right hinge serves as a vertical hinge piece, a longitudinal hinge piece and a transverse hinge piece are additionally arranged, the longitudinal hinge piece is directly and vertically generated on the vertical edge, close to a tooth inserting shaft hole, of the vertical hinge piece, the transverse hinge piece is directly and vertically generated on the transverse ...

Measurement method and device, nonvolatile storage medium and electronic equipment

The invention discloses a measurement method and device, a nonvolatile storage medium and electronic equipment. The method comprises the steps that an interference measurement request sent by first equipment is received, and the interference measurement request carries first wireless configuration information of the first equipment; sending second wireless configuration information of the second device to the first device in response to the interference measurement request; receiving a target measurement signal determined by the first device based on the difference between the first wireless configuration information and the second wireless configuration information; and determining a target interference condition between the first device and the second device according to the path loss of the target measurement signal. According to the invention, the technical problem that the cross interference condition between devices cannot be measured is solved.

DNA expression enhancing factor and application thereof

The invention discloses a DNA (deoxyribonucleic acid) expression enhancing factor, belongs to the field of genetic engineering and the technical field of DNA drugs, and provides a method for improving the expression level of a target gene on a plasmid DNA eukaryotic expression vector by using the enhancing factor, and the enhancing factor is polypeptide with ribonuclease III activity and low affinity with a ribonuclease inhibitor. Comprising the following steps: (a) constructing and preparing enhancement factor expression plasmids aiming at eukaryotic cells, (b) co-transfecting host cells by using target gene expression plasmids and the enhancement factor expression plasmids, and increasing the expression level and the expression duration of exogenous target genes in organisms and cells by virtue of enhancement factors, according to the recombinant polypeptide enhancing factor provided by the invention, the expression quantity of an exogenous target gene in mammalian cells can be greatly ...

Movable slurry preparation device

The invention belongs to the technical field of slurry preparation, and particularly relates to a movable slurry preparation device, aiming at the problems that the slurry preparation device is inconvenient to move and poor in stability in the preparation process, the invention provides the following scheme: the movable slurry preparation device comprises two bases and a preparation tank, and the outer walls of the bottoms of the two bases are both provided with universal wheels which are symmetrically arranged; fixing grooves are formed in the opposite sides of the two bases correspondingly, the inner walls of the two fixing grooves are fixedly connected with the same bearing plate, and the outer walls of the two sides of the top of the bearing plate are fixedly connected with symmetrically-arranged side plates correspondingly. Through the arrangement of universal wheels, a base and a bearing plate, the preparation tank can be conveniently moved to a proper position, so that the slurry ...

AUTOMATICALLY TUNABLE LOW-VOLTAGE PASSIVE FILTERING COMPENSATION APPARATUS

An automatically tunable low-voltage passive filtering compensation apparatus. Each phase of a main circuit comprises a main loop molded case switch (11), a main loop contactor (13), a reactor (14) and a power capacitor, wherein the power capacitor comprises main power capacitors (15, 16, 17) and adjustable power capacitors (18, 19, 20), the main power capacitors are connected in series with the main loop molded case switch, the main loop contactor and the reactor, and the adjustable power capacitors are connected in series with switch devices (21, 22, 23) and then connected in parallel with the main power capacitors. The present apparatus is low in cost, convenient in production and high in reliability.

Cable connector, cable connector assembly and electronic equipment

The embodiment of the invention provides a cable connector, a cable connector assembly and electronic equipment, the cable connector comprises a plurality of signal pair units which are arranged at intervals, each signal pair unit comprises two signal terminals which are arranged in parallel, the first end of each signal terminal is used for electrically contacting with a corresponding pin of a circuit board, and the second end of each signal terminal is used for electrically contacting with a corresponding pin of the circuit board. The second end of each signal terminal is used for being electrically connected with the corresponding cable, each signal terminal is provided with a bending part in the extending direction of the signal terminal, and a certain distance is reserved between the bending part and the first end, so that the cable can be connected with the cable by increasing the extending length of the bending part. Therefore, one end of the signal terminal can be stably abutted ...

Combined mass system and horizontal vibration mass unit

The invention discloses a combined mass system, which adopts a mode of arranging mass substrates in pairs on two sides of a vertical substrate along the horizontal direction to form a symmetric combination of the mass system, and is suitable for a buffer material horizontal vibration transmission test. The problem that an existing buffer material vibration transmission characteristic testing quality system can only be applied to vibration testing of a buffer material in the vertical direction and cannot meet the testing requirement in the horizontal direction is solved. The combined mass system is a rapid combined mass system for a horizontal vibration transitivity test of a symmetric buffer material, the mass substrates and the vertical bases as well as the adjacent mass substrates are combined in a magnetic attraction manner, rapid combination and disassembly of the mass system can be realized, and disassembly and assembly are convenient. The invention further provides a horizontal vibration ...

Battery temperature estimation method, electronic equipment and storage medium

The invention discloses a battery temperature estimation method, electronic equipment and a storage medium. The method comprises the following steps: establishing an equivalent thermal model according to different working conditions of a battery; performing fitting correction on equivalent hot melting and equivalent thermal resistance in the equivalent thermal model according to the change of the battery temperature; and obtaining the temperature of the battery according to the corrected equivalent thermal model. According to the estimation method provided by the invention, the battery modules under different working conditions and various heat dissipation conditions can be detected online, and the temperature condition of the single battery can be estimated according to the detection result.

SEMICONDUCTOR PROCESSING DEVICE AND METHOD FOR DETECTING WORKPIECE IN SEMICONDUCTOR PROCESS

A semiconductor processing device, comprising: a cavity (5) provided with a base (6) for bearing a processed workpiece (7); a sensor (11) having a transmitting end and a receiving end which are provided at both sides of the base (6) oppositely; the transmitting end being used for sending a transmission signal to the receiving end along the direction parallel to a bearing surface of the base (6); and a control component used for receiving the transmission signal sent by the transmitting end, and a receiving signal received by the receiving end, comparing the transmission signal with the receiving signal, and determining, according to the comparison result, the state of the processed workpiece (7) on the base (6). Also disclosed is a method for detecting a workpiece in a semiconductor process.

HIGH-VOLTAGE POWER CAPACITOR

A high-voltage power capacitor, comprising: a base (10) as well as a first insulator (20), a second insulator (30), a third insulator (40), a fourth insulator (50), a fifth insulator (60), and a sixth insulator (70) mounted on the base (10) in order of increasing diameter from top to bottom. The base (10) comprises three post insulators (11) distributed in an equilateral triangle and a support (12) provided on the upper ends of the post insulators (11). The diameter of each post insulator (11) is 356 mm; the diameters of the six insulators from top to bottom are: 610 mm, 610 mm, 665 mm, 705 mm, 715 mm, and 715 mm. The structure of the high-voltage power capacitor is simple and reasonable. Three post insulators (11) are provided on the base (10), and the diameter of the six insulators provided on the base (10) is trapezoidally increasing from top to bottom, so that the center of gravity of the capacitor is stable, thereby better resisting external damages from, such as, wind and earthquakes ...

Steel pipe circular seam butt joint system and method

The invention discloses a steel pipe circular seam butt joint system and method.The steel pipe circular seam butt joint system comprises an electromagnetic induction heating device, a supporting assembly, a submerged arc welding machine head and a grinding device; the electromagnetic induction heating device comprises a lifting bracket, a heating power supply and a non-magnetic fixed frame which are fixed on the lifting bracket, and an electromagnetic induction heating coil which is fixed on the fixed frame and is electrically connected with the heating power supply; the side, away from the lifting support, of the fixing frame is used for being attached to part of the outer wall of the steel pipe. When the steel pipe circular seam butt joint system is used for conducting circular seam welding on the steel pipe, the problems that preheating is slow, the interlayer temperature is difficult to keep, the bottom sealing welding efficiency and the back gouging grinding efficiency are low, and ...

Unmanned aerial vehicle with acoustic detection and acoustic imaging positioning functions

The invention relates to the technical field of electric power detection, in particular to an unmanned aerial vehicle with acoustic detection and acoustic imaging positioning functions. Two sliding blocks in sliding connection with the guide rods are installed on the shifting plate, the top end of the first spring abuts against the sliding blocks, and an inserting block is fixed to the top end of the shifting plate. A limiting groove is formed in the rear end of the connecting frame, and the inserting block is matched with the limiting groove in an inserted mode. The rear end of the connecting frame is inserted into the inserting groove, the inserting plate is inserted into the limiting groove under the action of the first spring, the clamping head is clamped into the clamping hole under the action of the second spring, and under the dual limitation of the inserting plate and the clamping head, the connecting frame and the airborne acoustic camera are convenient to disassemble and assemble ...

Powder metallurgy gear shaping machining line

A powder metallurgy gear shaping machining line comprises a magnetic attraction feeding mechanism, a feeding conveying belt mechanism, an oil immersion grabbing mechanism, a shaping pressing mechanism, a discharging conveying belt mechanism and a magnetic attraction discharging mechanism. The magnetic attraction feeding mechanism, the feeding conveying belt mechanism, the oil immersion grabbing mechanism, the shaping and pressing mechanism, the discharging conveying belt mechanism and the magnetic attraction discharging mechanism are sequentially arranged, the magnetic attraction feeding mechanism is provided with a mounting base, and the gear part placement annular rotating disc mechanism and the part magnetic attraction transferring mechanism are mounted on the mounting base. The gear part placing annular rotary disc mechanism is used for temporarily placing gear parts, and the part magnetic attraction transferring mechanism is used for attracting and transferring the gear parts on the ...

METHOD FOR SYNCHRONIZING ASYNCHRONOUS TRANSFER MODE ADAPTATION LAYER TYPE 2 PATH STATE AND THEREOF DEVICE

A method for synchronizing ALL2 path state between Asynchronous Transfer Mode(ATM) adaptation layer type 2(ALL2) signaling nodes and thereof device are provided by the invention. The method includes: a synchronization request endpoint AAL2 signaling node sends a path state request message to an opposite AAL2 signaling node of the AAL2 path, after the opposite AAL2 signaling node has received the request message, it performs a local detection for the AAL2 path state appointed by the message, and the opposite AAL2 signaling node controls consistency synchronization process for AAL2 path state on the two endpoints according to the detected result. The invention can avoid that the first call failure induced by the state inconsistency of the two endpoints of the AAL2 path, and enhance the success probability for establishing the AAL2 path.

PREPARATION SYSTEM AND METHOD FOR HALOGENATED BENZALDEHYDE

The present invention provides a preparation system and method for halogenated benzaldehyde. The preparation system comprises a batching tank and a gas-liquid enhanced reactor which are connected in sequence; a solvent, halogenated toluene, and a catalyst enter the batching tank to be uniformly mixed, and then enter the gas-liquid enhanced reactor to be subjected to an enhanced reaction; a side wall of the gas-liquid enhanced reactor is provided with an oxygen inlet, and the bottom of the gas-liquid enhanced reactor is provided with a mixed material outlet; the mixed material outlet is connected to a rectifying tower for rectification separation, substances flowing out of the bottom of the rectifying tower enter a flash tower for separation, substances coming out of the top of the flash tower enter a product tower for product purification, and halogenated benzaldehyde is obtained. According to the preparation system provided by the present invention, the utilization rate of raw materials ...

Goods loading and unloading platform for automatic warehouse logistics

The cargo loading and unloading platform comprises a cantilever beam and a bearing plate, the surface of one side of the cantilever beam is fixedly connected with the surface of one side of the bearing plate, a hole groove is formed in the surface of the upper side of a first mounting block, a rotating shaft is rotationally connected to the surface of the interior of the hole groove, and tarpaulin is fixedly connected to the surface of the rotating shaft; a mounting plate is fixedly connected to the surface of the inner side of the side plate, a motor is fixedly mounted on the surface of the upper side of the mounting plate, a gear is fixedly connected to the output end of the motor, a rack is arranged on one side of the gear, the surface of one side of the rack is fixedly connected with the surface of one side of an auxiliary plate, and a spring is fixedly connected to the surface of the inner side of the auxiliary plate. According to the goods loading and unloading platform for automatic ...

Strain application device and bending radius determination method

The invention discloses a strain applying device and a bending radius determining method, and relates to the technical field of strain applying, and the device comprises a supporting piece, a first pushing piece, a second pushing piece, a driving assembly and a pressing assembly. The supporting piece is used for supporting materials; the first pushing piece and the second pushing piece are located on the two opposite sides of the supporting piece correspondingly. The driving assembly is connected with the first pushing piece and the second pushing piece and used for driving the first pushing piece and the second pushing piece to get close to each other or get away from each other, and the first pushing piece and the second pushing piece are used for bending materials when getting close to each other. The pressing assembly is arranged above the supporting piece and used for applying pressure to the material at the preset height so that the highest bending point of the material can be kept ...

Steel structure cantilever and aerial single-point rotating installation method thereof

The invention relates to the technical field of overhanging, and particularly discloses a steel structure overhanging and an overhead single-point rotating installation method thereof.The steel structure overhanging comprises side sleeve pieces installed on the left side and the right side of a prefabricated wall body and an insertion hole formed in one side of the prefabricated wall body in the length direction, and insertion pieces are inserted into the insertion hole and the two side sleeve pieces; one ends of the three inserting pieces are connected with steel framework bodies, transverse trusses are arranged among the three steel framework bodies, the inserting pieces are inserted into the inserting holes and the two side sleeve pieces correspondingly, then the steel framework bodies are connected with the connecting plates through the rotating shafts, in this way, a cantilever composed of the transverse trusses and the steel framework bodies can rotate in the air by pulling the inserting ...

Bending and edge covering die for frame of back plate of display

The displayer backboard frame bending and edge covering die comprises a base and a backboard frame body, a bottom die and an edge folding limiting groove are installed in the middle of the upper side of the base, a stamping edge folding hole is formed in the edge folding limiting groove, and an upper stamping plate is arranged in the bottom die through a first hydraulic cylinder; a punching edge folding hole is formed in the upper side of the base, a punching die vertical plate for enclosing a quadrilateral frame is installed on the upper side of the upper punching plate, the punching die vertical plate slidably penetrates through the punching edge folding hole, a vertical frame is arranged on the upper side of the base, a second hydraulic cylinder is arranged in the lower middle of the vertical frame, and a fixed pressing plate is arranged on the lower side of the second hydraulic cylinder. Then the second hydraulic cylinder drives the fixed pressing plate to move downwards to be pressed ...

GATE DRIVE CIRCUIT, TOUCH DISPLAY DEVICE, AND DRIVING METHOD

A gate drive circuit, a touch display device, and a driving method. The gate drive circuit (10) comprises a plurality of cascaded shift register units (200) and a voltage stabilizing circuit (100). Each of the plurality of shift register units (200) comprises a touch scanning control end; and the voltage stabilizing circuit (100) is connected between a first shift register unit (201) in the front and at least one second shift register unit (202) at the rear in the plurality of shift register units (200), and is configured to compensate for the level of first nodes of one group of second shift register units (202) in response to a touch scanning control signal.

Powder metallurgy part surface floating powder blowing and brushing device

A powder metallurgy part surface floating powder blowing and brushing device comprises a pressing forming mechanism, a conveying workbench, a floating powder blowing and brushing box body and a part concentration rotating disc, the pressing forming mechanism, the conveying workbench and the part concentration rotating disc are sequentially arranged, and the tail end of the workbench of the pressing forming mechanism is movably connected with a first sliding plate; the other end of the first sliding plate is arranged on the conveying workbench, the floating powder blowing and brushing box body is arranged on the conveying workbench (2), a second sliding plate is arranged on the part concentration rotating disc, the two ends of the second sliding plate are connected with the conveying workbench and the part concentration rotating disc respectively, and a part grabbing and overturning mechanism is further installed on the side portion of the conveying workbench. The part grabbing and overturning ...

Suitable for buprofenzin preparation of the liquid chlorine vaporizer

... 本实用新型公开了一种适用于噻嗪酮制备的液氯汽化器，其包括有汽化器本体，汽化器本体下部设置有进液口，汽化器本体上部设置有出气口，进液口与出气口之间通过多个列管进行导通；所述汽化器本体的上端部设置有多个喷淋管道；所述汽化器本体的下端部设置有喷气管道，喷淋管道与喷气管道内部均设置有电磁阀；采用上述技术方案的适用于噻嗪酮制备的液氯汽化器，其可通过喷淋管道与喷气管道的共同作用，使得列管的管壁可同时受到水洗与风切作用，致使液氯汽化过程中，沾附在列管管壁之上的残渣得以彻底剥离，以使得本申请中的液氯汽化器可始终保持最佳工作状态。 ...

Coal mine water deep well recharge process parameter acquisition method

The invention discloses a coal mine water deep well recharge process parameter obtaining method. The method comprises the steps that S1, a recharge target layer is determined, wherein the permeability coefficient K and the thickness m of a single-layer sandstone aquifer are determined; s2, determining a recharge target layer according to the size of the water guide coefficient T of the single-layer sandstone aquifer, S3, constructing the recharge well, and obtaining a long-term stable recharge flow QL: carrying out a variable-flow field water injection test, continuously observing the condition of a pressure gauge of a recharge pump in the recharge operation process, and determining the type of the recharge well and the corresponding process parameters; determining suitable long-term stable reinjection flow QL according to the change of a reinjection pump pressure gauge; by means of the method, large-flow long-time stable recharge can be achieved, the deep well recharge efficiency is improved ...

Growth method of silicon carbide single crystal

The invention provides a silicon carbide single crystal growth method which comprises the following steps: placing a first silicon carbide raw material in a top area of a crucible raw material area, placing a second silicon carbide raw material in a side wall area of the crucible raw material area, and placing a third silicon carbide raw material in a bottom area of the crucible raw material area, placing a fourth silicon carbide raw material in the central area of the crucible raw material area, and heating and growing under the action of the seed crystal to obtain the silicon carbide single crystal; the silicon-carbon ratios of the second silicon carbide raw material, the third silicon carbide raw material, the fourth silicon carbide raw material and the first silicon carbide raw material are sequentially reduced. The silicon carbide raw materials with different silicon-carbon ratios are arranged in different areas of the crucible raw material area, high-quality silicon carbide single ...

Film expanding mechanism and sorting machine

The invention discloses a film expanding mechanism and a sorting machine, the film expanding mechanism comprises a main body, a lifting carrier plate, a film carrying plate, a film expanding piece, a driving assembly and a locking piece, and the locking piece is rotatably mounted on the lifting carrier plate between an opening position and a locking position in a switching manner. When the driving assembly drives the lifting carrying plate to descend, the locking piece is switched to the locking position, and the film carrying plate descends along with the lifting carrying plate. According to the film expanding mechanism provided by the invention, when the wafer plate is loaded into the film carrying plate for film expanding, the film carrying plate does not need to be manually fixed on the lifting carrying plate through other fasteners, so that the film expanding efficiency is improved. And the mounting and dismounting of the film carrying plate are simpler, so that the film carrying plate ...

Belt conveyor with roller convenient to replace

The belt conveyor comprises a conveyor body, two supporting mechanisms and two auxiliary supporting assemblies, the conveyor body comprises a rack and the two rollers, and the two rollers are detachably arranged at the two ends of the rack respectively; the two supporting mechanisms are symmetrically arranged on the rack, and each supporting mechanism is arranged close to one roller; the supporting mechanism is used for supporting the roller; the two auxiliary supporting assemblies are symmetrically arranged on one side of the rack, and each auxiliary supporting assembly is arranged close to one roller. The auxiliary supporting assembly is used for prolonging the supporting distance of the supporting mechanism. Therefore, the operation is convenient and fast when the roller is replaced, the replacement time is greatly shortened, the coal production of a mine is ensured, and the potential safety hazard generated in the hoisting process is eliminated.

Forging machine for forge piece quenching machining

The invention is suitable for the technical field of forging machines, and provides a forging machine for forging quenching machining, which comprises a base, a forging part, a forging part and a forging part, the base is provided with a placing groove for mounting a die table, the base is also provided with a two-layer frame, the forging part comprises an impact rod, and the bottom of the impact rod is provided with a punch; the protection part comprises a protection cover, threaded rods and a rotating lantern ring, the rotating lantern ring is installed on the two-layer frame through an installation lantern ring, the impact rod penetrates through the rotating lantern ring, the rotating lantern ring is in transmission connection with the two threaded rods, and the protection cover is connected with the threaded rods through an adjusting part; and the liquid storage part comprises a liquid storage cavity, the bottom of the liquid storage cavity communicates with the containing groove through ...

Intelligent control method and system for photovoltaic water pump

The invention discloses an intelligent control method and system for a photovoltaic water pump. Load end requirements are obtained, an optimization model is adopted to optimize working conditions of a water pump unit and estimate energy consumption, the electric energy supply proportion of all power supply modules of a current electric energy supply system is determined based on the estimated energy consumption, and the load end requirements are matched by controlling the rotating speed of the water pump unit through frequency conversion. According to the invention, the electric energy supply of the photovoltaic pump system can be matched with the load demand, the energy of the power distribution system is optimized, and the operation cost is reduced.

Mounting and centering tool for converter mouth, vaporization flue and oxygen lance and use method of mounting and centering tool

The invention belongs to the technical field of converter assembly, and particularly relates to a converter mouth, vaporization flue and oxygen lance installation centering tool and a using method thereof.The converter mouth, vaporization flue and oxygen lance installation centering tool comprises a converter mouth, a vaporization flue and an oxygen lance, a square plate is arranged in the converter mouth, and multiple sets of supporting blocks are fixedly arranged on the four side walls of the square plate; and chain wheels are rotationally arranged between the two supporting blocks in the same group, the multiple chain wheels are jointly and rotationally connected with a chain, the outer side of the chain is sleeved with polishing cotton, and driving motors are fixed to the side walls of the two supporting blocks located on the upper side and the lower side of the square plate correspondingly. According to the device, the centering initial reference position can keep enough precision, ...

Thick rock stratum horizontal hole vertical slotting device and lateral water cut-off curtain construction method

The invention discloses a thick rock stratum horizontal hole vertical slotting device and a lateral water interception curtain construction method. The thick rock stratum horizontal hole vertical slotting device comprises a drill rod, and a pulse system, a jet flow structure and a slotting structure are sequentially arranged on the drill rod; the slotting structure comprises a cutter head, a driving shaft, a driving wheel and a jet flow roller, the driving wheel and the cutter head are located on the same plane, a chain is arranged on the periphery of the driving wheel and the periphery of the cutter head, and sawteeth are arranged on the chain; through the pulse system, the jet flow structure and the slotting structure, thick rock stratum drilling hole bottom power slotting is achieved, jet grouting is achieved through the jet system, and a full-closed or semi-closed thick rock stratum lateral water interception curtain is constructed; meanwhile, hole bottom power slotting and jet grouting ...

Filtration formula range hood

... 本实用新型公开了一种过滤式吸油烟机。包括油烟机面板，设于油烟机面板上的开关面板，设于油烟机面板上方的油烟机外壳，设于油烟机外壳内的油烟输送管道、风机、油烟处理装置，以及中央控制器、电源，油烟输送管道的一端设于油烟搜集处，另一端延伸出油烟机外壳将净化后的气体排出，风机设于油烟输送管道上，油烟处理装置包括设于油烟输送管道上的封闭过滤装置，以及设于封闭过滤装置内的过滤液和设于封闭过滤装置的顶部并与封闭过滤装置连接的海绵。本实用新型通过循环净化系统处理油烟，排出干净的气体，绿色、环保、可降解，避免油烟与机器接触，延长机器寿命，简化清洁流程。本实用新型可以更好地处理油烟带来的环境污染问题，具有积极的现实意义。 ...

Preparation method of TC4 titanium alloy bar for fastener

The invention discloses a preparation method of a TC4 titanium alloy bar for a fastener. The method comprises the following steps of: 1, pressing raw materials into an electrode, and then welding and smelting to obtain a TC4 titanium alloy cast ingot; secondly, the TC4 titanium alloy cast ingot is forged after being heated and subjected to heat preservation, and a precision forging bar blank is obtained; thirdly, the precisely-forged bar blank is subjected to precision forging after being heated and subjected to heat preservation, and a precisely-forged bar is obtained; 4, grinding after peeling, and blanking to obtain a rolled bar billet; fifthly, the rolled bar blank is subjected to beta heat treatment and then subjected to water quenching; 6, rolling after heating and heat preservation to obtain a rolled bar; and seventhly, the rolled bar is subjected to solid solution aging heat treatment, and the TC4 titanium alloy bar for the fastener is obtained. By controlling the design values ...

Efficient and repeatable RS-485 bus address allocation method based on bit competition mechanism

The invention discloses an RS-485 bus address efficient repeatable allocation method based on a bit competition mechanism. According to the method, after a host sends a broadcast instruction, address allocation is started, and a slave responds to the instruction, prepares to start address competition according to a UUID bit and enters bit competition mechanism judgment after receiving a first U instruction; when each U instruction is responded, the slave with the small UUID value leaves to continue to compete for the address, the slave with the large UUID value quits, and finally, only the slave with the minimum UUID in all the slaves is left, so that the allocation of the first address is completed; and subsequently, allocating the second address according to the allocation mode of the first place until the allocation of all addresses is completed. Compared with an existing automatic address allocation mode, the millisecond-level address allocation speed of the method is remarkably higher ...

Magnetic particle flaw detector for bearing roller

The invention relates to a magnetic particle flaw detector for bearing rollers. The magnetic particle flaw detector is characterized in that a plurality of rotating riding wheels are arranged on a bearing roller conveying line; the magnetizing mechanism is used for magnetizing a bearing roller so as to guide magnetic powder to display a magnetic field, the demagnetizing mechanism is arranged to be a high-pressure oscillation demagnetizer and comprises a feeding demagnetizing mechanism and a discharging demagnetizing mechanism, the feeding demagnetizing mechanism is used for demagnetizing before the bearing roller is magnetized, and the discharging demagnetizing mechanism is used for remagnetizing after the bearing roller is magnetized; and the image acquisition and comparison system is used for shooting a magnetic powder distribution image on the surface of the bearing roller after the magnetic suspension is sprayed, and comparing the shot image with a reference image in a database so as ...

Pulse signal generation device and method and test system

The invention relates to a pulse signal generation device and method and a test system, and the device comprises a waveform generation module which is used for generating a basic pulse signal and transmitting the basic pulse signal to a signal delay module; the delay parameter calculation module is used for generating delay parameters and sending the delay parameters to the signal delay module; the signal delay module is connected with the waveform generation module and the delay parameter calculation module and is used for performing delay processing on the basic pulse signal according to the delay parameter to obtain at least two delay pulse signals; and the logic combination module is connected with the signal delay module and is used for carrying out logic combination on the delay pulse signal to obtain a final pulse signal. Pulse signals with different pulse widths can be generated according to actual needs, and the pulse width change resolution is improved.

Paddle position synchronization judgment method and device and paddle system

The invention discloses a blade position synchronization judgment method and device and a blade system, and relates to the field of blade synchronization, and if the positions of N blades are synchronous, the positions and speeds of the N blades in the current period need to be basically kept consistent. Therefore, the position deviation sum and the speed deviation sum between any two of the N blades in the current period are determined firstly, and then whether the positions of the N blades are synchronous or not can be judged based on the determined position deviation sum and the speed deviation sum between any two of the N blades. Whether the N paddles are synchronous or not can be accurately and timely judged, operation by technicians is not needed, and errors are reduced.

Preheating device, epitaxial growth equipment and epitaxial method

The preheating device disclosed by the invention is used for mounting a wafer and preheating process airflow, the preheating device comprises a plurality of preheating parts, any two adjacent preheating parts are connected to form an annular preheating mounting step for mounting the wafer, and one end of the wafer is attached to the step surface of the preheating mounting step. The preheating device is of a split structure, the phenomenon of clamping is avoided, meanwhile, regular removal of an impurity layer on the surface of the preheating device is facilitated, and the problem that in the prior art, thermal field uniformity and process airflow stability of a preheating device are difficult to control along with increase of the process frequency is solved; the thickness uniformity and concentration uniformity of the epitaxial wafer can be effectively improved, and the epitaxial wafer has the advantages of simple structure, convenience, durability, easiness in cleaning and polishing, cost ...

Vegetation planting device and method for environmental recovery and treatment

The invention discloses a vegetation planting device and method for environmental recovery and treatment, and relates to the technical field of environmental governance, the vegetation planting device comprises a pit digging module, the pit digging module comprises a drilling plate, a sliding rail groove is formed in the drilling plate, a pit digging motor support is slidably mounted on the sliding rail groove, and a pit digging motor is fixedly mounted on the pit digging motor support; a pit digging screw rod is fixedly mounted at one end of an output shaft of the pit digging motor, a matched insertion column is fixedly mounted at the other end of the output shaft of the pit digging motor, and a matched insertion cylinder is arranged above the matched insertion column and rotationally mounted on the drilling plate. By arranging the pit digging assembly, the pit digging function is achieved, and meanwhile gaps between pit walls and saplings can be filled with dug soil; by arranging the ...

Precision casting butterfly valve body anti-deformation control device and control method thereof

The precision casting butterfly valve body anti-deformation control device comprises a cooling box, a cooling cavity is formed in the cooling box, the upper end of the cooling cavity is open, a first rotating wheel is arranged at the opening of the upper end of the cooling cavity, a second rotating wheel is arranged at the bottom of the cooling cavity, and a conveying belt is arranged around the first rotating wheel and the second rotating wheel. A plurality of clamping mechanisms are arranged outside the conveying belt, a first driving wheel is arranged at the outer end of a rotating shaft in the middle of the first rotating wheel, the first driving wheel is connected to a second driving wheel through a conveying belt, the second driving wheel is connected to a driving motor, and the driving motor is installed on the outer side wall of the cooling box. The wax pattern is dynamically cooled in the cooling box under the driving of the conveying belt, that is, in the cooling process, the ...

Water -cooling booster for engine

... 本实用新型涉及种水冷增压器设置在发动机的对应部位，该水冷增压器配置有进水管和出水管，进水管和或出水管采用金属软管，金属软管外层套有不锈钢保护层，且不锈钢保护层具有耐高温层。本实用新型将现有水冷增压器进出水管用的高压胶管替换为金属软管，同时在金属软管外层配置不锈钢保护层，能够提高进出水管的耐高温性能，不易老化，提高耐用性，延长整个水冷增压器的使用寿命。 ...

Chip mounter

The invention discloses a chip mounter, and relates to the field of chip mounting, and the chip mounter comprises a wafer loading platform assembly which is used for conveying a chip; the wafer stabbing assembly is arranged above the wafer loading table assembly and is used for stabbing off a chip on the wafer loading table; the rotary attaching assembly is arranged below the wafer loading table assembly and is used for sucking and conveying the chips punctured by the chip puncturing assembly; the chip mounting table is arranged below the rotary attaching assembly, and the chip mounting table is used for driving a substrate to move and bearing the chip conveyed by the rotary attaching assembly. And the whole process is an automatic process, so that the chip mounting efficiency can be greatly improved.

Steel casting casting supporting device with splicing function and splicing method thereof

The invention discloses a steel casting casting supporting device with a splicing function and a splicing method of the steel casting casting supporting device, and belongs to the technical field of casting supporting. Comprising a bottom plate with a demolding groove formed in the bottom, and further comprises a supporting frame fixedly connected to the surface of the bottom plate, a movable plate is slidably connected into the supporting frame, and an ejector rod is fixedly connected to the surface of the movable plate; the bottom die is arranged on the surface of the supporting frame, a third threaded hole, a forming groove and a first through hole are formed in the surface of the bottom die, the ejector rod is slidably connected into the first through hole, and the forming groove is communicated with the first through hole; the connecting assembly is arranged between the supporting frame and the bottom die and used for fixing the supporting frame and the bottom die; the upper die is ...