Non-magnetic drill collar surface rolling processing method

The invention discloses a non-magnetic drill collar surface rolling processing method. A non-magnetic drill collar material adopts low-carbon high-chromium manganese steel which is processed through the technological processes of forging, alignment, rough turning of excircle, drilling and the like, and then the processes of rolling the inner hole surface, finely turning the excircle and rolling the surface of the excircle. The rolling processing on the surfaces of the inner hole and the excircle is performed by using a hard metal alloy roller and a roller wheel respectively; and during rolling, a cutting tool and a workpiece have certain included angle and rolling linear velocity, and the feeding speed and the rolling pressure are controlled. Because the surface rolling processing method is chipless machining, surface structures are strengthened, and the service performance, the fatigue strength resistance, the wear resistance and the corrosion resistance of the workpiece are improved obviously ...

Series products of all-nutrient green health-care bean vermicellic and instant bean vermicellic and preparing method

The present invention relates to a kind of all-nutrient green health-care vermicellic (noodles made from beam starch, etc.) series product and its preparation method. The invented green health-care vermicellic (noodles) series product has the several health-care functions of regulating blood-lipid, regulating cholesterol, preventing thrombosis and angiosclerosis, resisting senility and prolonging life, etc. and is made up by using beans, grains, potato, edible fungus, fruits, vegetables, Chinese medicinal material and marine products through a certain production process.

Systems and methods for providing a sleep clock on a wireless communications device

Example systems and methods are provided for maintaining a system clock during a sleep mode of a mobile communication device. An example system may include a high frequency clock circuit configured to generate a system clock, and a low frequency clock circuit configured to generate a sleep clock, where the sleep clock has a lower frequency than the system clock. The example system may further include a sleep system configured to deactivate the system clock in response to the mobile communication device entering sleep mode. The sleep system may include a sleep counter configured to use the sleep clock to maintain a sleep count for the deactivated system clock during the sleep mode, and a calibration unit configured to activate a calibration clock at periodic intervals during the sleep mode and utilize the calibration clock to calibrate a frequency of the sleep clock.

Multi-view video transmission error control method for rate distortion optimization dynamic regulation

The invention discloses a multi-view video transmission error control method for rate distortion optimization dynamic regulation. The method comprises the following steps of: estimating end-to-end distortion of a key frame and a non-key frame in a KS-IPP coding framework for predicting views in the key frame by using different estimation methods, wherein the end-to-end distortion of the key frame is estimated by a distortion method combined by channel simulation and rapid estimation; and the end-to-end distortion of the non-key frame is estimated by using a conventional recurrence-based distortion estimation method; combining the estimated end-to-end distortion and rate distortion optimization technology; and realizing the dynamic regulation of the rate distortion optimization through the dynamic change of the end-to-end distortion and the dynamic regulation of Lagrangian multiplier. The method has the advantages of effectively reducing the dispersion of the transmission error among the ...

Method for rapidly detecting molybdenum content in uranium-molybdenum alloy

The invention relates to the field of chemical detection, in particular to a method for rapidly detecting the content of molybdenum in uranium-molybdenum alloy. The detection method comprises the following steps: S1, cleaning the surface of a uranium-molybdenum alloy sample; s2, the cleaned uranium-molybdenum alloy sample is dissolved in mixed acid, heating treatment is conducted after dissolution, a sample solution is made to be bright yellow, and a solution to be detected is obtained after dilution; the mixed acid is a mixture of nitric acid and hydrochloric acid; s3, determining a working standard solution and a reference standard sample on an X fluorescence spectrometer to establish an application method, then determining a blank solution and a to-be-determined solution in sequence, respectively determining the concentrations of the molybdenum element in the blank solution and the to-be-determined solution by a standard curve method, and calculating to obtain the content of the molybdenum ...

Mine personnel detection management system based on 5G

The invention discloses an underground personnel detection management system based on 5G. The underground personnel detection management system comprises wearable detection equipment and a ground management platform, the wearable detection equipment comprises a gas concentration sensor, a vital sign sensor, a data transceiver and a processor; the plurality of wearable detection devices are divided into a plurality of corresponding device groups according to working groups to which operators wearing the wearable detection devices belong, and the ground management terminal generates a data uploading time planning table corresponding to each wearable detection device. And the wearable detection device performs data detection and uploading at the corresponding time point according to the received data uploading time planning table and the cycle. According to the underground personnel detection management system based on 5G provided by the invention, grouping management is carried out on underground ...

Multipath adjustable electric field intensity driver

The invention belongs to the technical field of mass spectrometer equipment development, and particularly relates to a multipath adjustable electric field intensity driver. Comprising a single-chip microcomputer, a DC voltage module, a communication interface module, an LED module, a DAC digital-to-analog conversion module, an operational amplification module and a high-voltage module. The single-chip microcomputer is respectively connected with the communication interface module, the LED module and the DAC digital-to-analog conversion modules, the DC voltage module supplies power to the MCU module, each DAC digital-to-analog conversion module is connected with the two operational amplification modules, the operational amplification modules are connected with the high-voltage module, and the high-voltage module outputs signals. The beneficial effects of the invention lie in that the driver acts on a lens component in mass spectrometer equipment and is used for extraction, focusing, deceleration ...

Portable live working carries line ware

The utility model discloses a portable live working carries line ware, including hoisting device, hoisting device includes elevating system and the insulating arm -tie that comprises lead screw that closes soon each other and nut, elevating system locates on the cantilever of fixture one side, the lower extreme of lead screw is connected to the upper end of insulating arm -tie, and the lower extreme installation wire of insulating arm -tie is linked up with, the rotation wheel of lead screw is rotated in the upper end installation of lead screw, fixture clamp the bolt fixed position that used simultaneously through the draw -in groove on the angle steel of shaft tower cross arm department, the draw -in groove is from inside vertical the seting up in fixture bottom. The utility model discloses but the electrified castering action to the leading of circuit, ground wire is accomplished to safety, efficient, has effectively reduced the power off time, has improved service reliability, for enterprise ...

Method for leveling super-thick steel plate

The invention relates to a method for leveling a super-thick steel plate in the technical field of mechanical machining processes, which comprises the following steps of: machining parallel trapezoid grooves on a convex vertex on one side of the convex of the steel plate subjected to bending deflection and both sides of the convex vertex; arranging a run-on plate at one end of each corresponding trapezoid groove additionally, and arranging an arc extinction plate at the other end of each trapezoid groove additionally; performing submerged-arc welding by using an automatic arc-submerging welder from one end of the run-on plate to one end of the arc extinction plate along the corresponding trapezoid groove on the steel plate; performing single-layer or multi-layer welding according to the deformation condition of the steel plate until the steel plate is leveled; and after the welding is finished, tempering the steel plate at the temperature of between 550 and 670 DEG C to eliminate internal ...

Pseudomonas hibisci CN-1 as well as screening method and application thereof

The invention provides a pseudomonas hibisci strain CN-1, which is preserved in the China General Microbiological Culture Collection Center on December 14, 2022, the preservation registration number is CGMCC NO.26191, and the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing. The pseudomonas hibisci strain CN-1 has the advantages that the preservation number is CGMCC NO.26191, the preservation number is CGMCC NO.26191, the preservation number is CGMCC NO.26191, the preservation number is CGMCC NO.26191, and the preservation number is CGMCC NO.26191. Based on the same inventive concept, the invention further provides a screening method of the pseudomonas hibiscus strain CN-1, and screening is carried out in a step-by-step domestication mode. Based on the same inventive concept, the invention also provides an application of the pseudomonas hibiscus strain CN-1 in degradation of gossypium hirsutum. The invention further provides a degrading bacterial agent ...

External drum for explosive linear expansion coefficient measuring device

Fixture for dynamic stretching test of fibre reinforced compound material

A fixture for the static and dynamic stretching test of fibre reinforced composite material is composed of screw connecting tube, waveguide rod, conic clamper and its sleeve. Said waveguide rod and conic clamper sleeve are installed to both ends of screw connecting tube. The upper and lower conic clamping blocks are in the square through hole of conic clamper sleeve. The oblique (10-30deg.) teeth are made on the inner surface of conic clamping block. Its advantages are no influence to input and output of waves, and high reliability.

Segmental type environmental protection fireproof paint used for tunnel

The invention provides a segmental type environmental protection fireproof paint used for tunnel, wherein the paint comprises separately packaged base-material and dispersing agent, on the construction site the proportion is water : base-material : dispersion agent = 100-120 : 100 : 1-3.

Three-dimensional magnetic induction intensity measurement coil for ultra-high-speed collision magnetic field

The invention discloses a three-dimensional magnetic induction intensity measurement coil for an ultra-high-speed collision magnetic field, and belongs to the technical field of measurement of impact dynamics. The measurement coil comprises a spherical frame and three annular coils, wherein the spherical frame is in a sphere shape, three annular grooves which are perpendicular to one another are formed in the surface of the spherical frame in the radial direction, the depths of the three annular grooves decrease in sequence, the three annular coils wind the three annular grooves correspondingly and are independent of one another, each coil is connected with one BNC plug, and the BNC plugs are connected with three external data collection channels which are independent of one another. The three coils which are perpendicular to one another spatially are adopted to obtain the magnetic induction intensity of a certain spatial point in three directions, the magnetic field information of a measured ...

Production method of civil engineering grille

The production method of grille for civil engineering includes the following procedures: a. perforating plastic plate; b. heating perforated plastic plate; and c. drawing the heated and perforated plastic plate and making it into the invented grille with high tensile strength.

Roof rainwater abandons a class collection device

The utility model relates to a water processing technique field specifically is that the device that the recovery was collected to follow -up clean rainwater is collected to the dirty rainwater with the roofing gathering. Rainwater collecting pipe, retrieval and utilization pipe and cistern including connecing the rainwater are equipped with the control unit between and the rainwater collecting pipe, this the control unit connects quality of water sensor and motorised valve, and include and abandon the flow tube, abandon the flow tube and pass through three way connection connection rainwater collecting pipe and retrieval and utilization pipe, the cistern is connected to the retrieval and utilization pipe other end, the motorised valve is including abandoning class motorised valve and retrieval and utilization motorised valve, abandons class motorised valve setting on abandoning the flow tube, and the retrieval and utilization motorised valve sets up on the retrieval and utilization pipe ...

Method for measuring content of silicon dioxide in SiC composite material

The invention relates to the field of chemical detection, in particular to a method for measuring the content of silicon dioxide in a SiC composite material. The determination method comprises the following steps: S1, drawing a standard curve; s2, taking the ground silicon carbide composite material, adding a sodium chloride solution, hydrochloric acid and hydrofluoric acid, heating, dissolving, cooling, adding an aluminum chloride solution, fixing the volume, and uniformly mixing; s3, standing the solution after volume metering, taking upper clear liquid, diluting, adding an indicator, neutralizing with ammonia water, adding hydrochloric acid and an ammonium molybdate solution, standing, adding a mixture of oxalic acid and sulfuric acid and a reducing agent, diluting with water, and measuring absorbance by taking water as a reference; the reducing agent is ascorbic acid or stannous chloride; and S4, calculating the content of silicon dioxide in the silicon carbide composite material by ...

Mine inspection unmanned aerial vehicle based on 5G independent networking and control method thereof

The invention discloses a mine inspection unmanned aerial vehicle based on 5G independent networking and a control method thereof, the unmanned aerial vehicle is incorporated into an inspection network based on a 5G independent networking technology, and automatic control of the unmanned aerial vehicle and automatic inspection of a mine can be realized. The driving route of the unmanned aerial vehicle can be automatically planned according to the inspection task, the unmanned aerial vehicle is controlled in real time through real-time communication, and the purpose of fully obtaining image information based on the unmanned aerial vehicle is achieved. And at the control side, whether foreign matter invasion or other abnormal conditions occur can be sensitively found through analysis of related physical signals and analysis of image information, so that the unmanned aerial vehicle is automatically controlled again to go to check, inspection analysis is performed again according to the information ...

Skewed tooth transmission structure of balanced stop valve of superhigh pressure

The utility model discloses a skewed tooth transmission structure of balanced stop valve of superhigh pressure, including valve body, disk seat, valve clack, case axle, case axle bed and valve rod, its characterized in that: on the valve body frame plate that case axle bed fixed mounting was equipped with in the valve pocket in the middle of, the action of sliding about the case axle is done in the case axle bed, the right-hand member spindle nose of case axle and valve clack fixed connection, the disk seat is fixed at the valve body right-hand member, the valve rod action of sliding about doing on the valve body, valve rod and case axle become an angle of 90 degrees mutually, and the first screw rack of 45 degrees skewed teeth is established to the lower extreme of valve rod, the second screw rack of 45 degrees skewed teeth is established to the centre of case axle, first screw rack and the transmission of second screw rack intermeshing, and when sliding the action about the valve rod ...

System and method for measuring position, speed and acceleration of light-gas gun piston

The invention discloses a light-gas gun piston position, speed and acceleration measuring system and method, and belongs to the technical field of ultra-high-speed collision loading, and the measuring system comprises a light-gas gun, an electromagnetic induction sensor and a signal processing device. The light-gas gun comprises a launching mechanism, a pump pipe, a conical section and a launching pipe which are connected in sequence; a piston containing a ferromagnetic material is coaxially accommodated in the pump pipe, and the launching mechanism compresses gas in the pump pipe by driving the piston, so that the projectile in the launching pipe is launched; more than two electromagnetic induction sensors are arranged on the outer side of the pump pipe at intervals according to a set distance in the axial direction of the pump pipe; and the signal processing device is in signal connection with the electromagnetic induction sensor. According to the measuring system, the pump pipe of the ...

Low-temperature polarizing electronic Raman scattering apparatus

A Raman scattering device of low temperature polarization electron is featured as setting collimation lens set, plasma filter, space filter, polarization rotator and focal lens in sequence along operation path of argon ion laser; setting reflector behind focal lens to reflect laser beam on sample seat; having objective lens for collecting sample scattering light and polarization plate for selecting direction, setting spectrograph behind the polarization plate and connecting the spectrograph to monitor.

Intelligent detecting discriminator for distortion and flexion characteristic error of color electron gun

This invention discloses a intelligent tester for the twist and bend property error of color electron gun, which contains mechanical positioning unit, sample holding unit, double-way optical image signal obtaining unit, image collecting unit, image blending process unit with image process software and electron gun twist and bend property error measuring software, whose test speed in 10 times higher than the traditional mode, the said method also can be used for the automatic test after somewhere modifying.

Fixture for forming characters or designs on surface of circular column workpiece

The invention discloses a surface character or pattern forming frock for cylindrical workpieces, which comprises a machine frame, a horizontally reciprocating pneumatic slider mechanism, a quick change typehead mechanism which is connected to the lower part of the pneumatic slider mechanism and a vertically lifting support plate mechanism, wherein the support plate mechanism is positioned on the lower part of the pneumatic slider mechanism; and the upper part of the support plate mechanism is provided with two adjacent bearings for placing the cylindrical workpieces. The surface character or pattern forming frock for the cylindrical workpieces adopts the structure and can be suitable for character or pattern printing on cylindrical surfaces of the cylindrical workpieces with different diameters; the cylindrical workpieces only need to be simply and quickly placed on the bearings and the typing depth, the typeface and the end height distance are adjustable; and the surface character or pattern ...

Heat-insulating energy-saving flame-retardant material for external wall

The invention provides a heat-insulating energy-saving flame-retardant material for an external wall, relating to the technical field of construction materials and aiming to solve the technical problems that the conventional external wall insulating materials have poor fireproof flame-retardant performance, and release mass toxic smoke after burnt, and the like. The insulating energy-saving flame-retardant material consists of the following components in parts by weight: 700 to 800 parts of spherical closed-pore expanded perlite, 600 to 700 parts of conventional silicate cement, 200 to 300 parts of heavy calcium carbonate, 3 to 5 parts of flame retardant, 6 to 8 parts of water-retaining thickener, 5 to 7 parts of dispersible emulsion powder, and 1 to 3 parts of polypropylene monofilament fibers.

Message sending method based on websocket

The invention belongs to the field of communication, and particularly relates to a message sending method based on websocket, which comprises the following steps: step 1 and step 2; the step 2 specifically comprises the following steps that 2.1, the server side sends big data to the client side to obtain an interface address, and the client side stores the interface address after receiving the interface address; step 2.2, setting a threshold value of the size of the message body data, when the server side pushes the message to the client side, if the threshold value is exceeded, storing the message body data of the message, generating a unique number of the message body, and pushing the unique number of the message body to the client side; and step 2.3, after the client receives the message pushed by the server, judging the message, and if the message is a message body with a large data volume, obtaining complete data of the message body from the big data obtaining interface address through ...

Energy-saving high-power servo motor

The invention relates to the technical field of motors, and particularly provides an energy-saving high-power servo motor which comprises a motor body, a rotating shaft is arranged on the inner side of the motor body, a fan is fixedly installed at one end of the rotating shaft, a clamping sleeve seat is fixedly installed on the inner side of the motor body and close to the rear end, and inserting plates are fixedly installed on the two sides of the fan. One ends of the two inserting plates slide in the clamping sleeve seat, clamping seats are fixedly mounted on the sides, close to each other, of the two inserting plates, a U-shaped frame is jointly mounted on the inner sides of the two clamping seats through fixing wires in threaded connection, and multiple sets of elastic extending assemblies are arranged in the side, away from the fan, of the U-shaped frame; according to the motor, dust on the surfaces of the two sides of the rear end of the motor body can be reduced, so that heat dissipation ...

Tatol nutrient green health care beans flour noodle series such as fine dried noodles and instant noodles and its manufacturing method

The present invention relates to food, and is especially serial green health noodles and instant noodles. The serial green health noodles and instant noodles are produced with wheat as basic material, grains, beans, potato and other supplementary material with diet therapeutic function, edible fungi, Chinese medicine materials, wild vegetable, fruits, vegetable, sea food materials, Ca, Fe, Zn, polypeptide, etc, and through an advanced process. The serial green health noodles and instant noodles have comprehensive nutritious components, and obvious health functions of regulating blood fat, regulating cholesterol, maintaining healthful cardiac and cerebral vascular system, etc.

Evaporation apparatus

The present invention relates to an evaporation apparatus, comprising an evaporation material supply apparatus, an evaporation material input tube, a bearing platform, a machine and a rotating machinery. The evaporation material input tube is communicated with the evaporation material supply apparatus, the bearing platform is provided with a bearing surface for carrying an evaporation substrate to be deposited, the machine is disposed under the bearing platform and is opposite to the bearing platform. The machine comprises at least one jet pipe. The jet pipe comprises a front port, a plurality of nozzles and an end portion, the front port is communicated with the evaporation material input tube, the end portion is arranged on the jet pipe relative to another end of the front port, the plurality of nozzles are arranged along the front port to the end portion. When the jet pipe is in the operating state, the end portion compared to the front port is closer to the bearing platform.

Gas gun driven by reaction gas detonation

The invention provides a gas gun driven by reaction gas detonation, which is simple in overall structure, can realize repeated filling of a projectile body, is suitable for various launching experiment occasions, and is also suitable for emergency rescue tasks such as road rush-pass, traffic keeping and the like; operation is simple, and use is safe; and the launching cost is low. The gas gun driven by reaction gas detonation comprises a detonation driving assembly, a gun barrel assembly and a gun body support assembly. The detonation driving assembly and the gun barrel assembly are coaxially sealed and butted and then are supported on the gun body support assembly; the detonation driving assembly comprises a reaction chamber, an ignition device and a transition ring; the ignition device is hermetically connected with the rear end of the reaction chamber; the front end of the reaction chamber is sealed through a transition ring embedded with an elastic body; the reaction chamber is connected ...

Method for culturing seedlings with strong taproots in tobacco cultivation

The invention discloses a method for culturing seedlings with strong taproots through transplantation. In the method, by restricting a root system to grow in one direction within a certain space, the thick and strong degree of the taproots and the number of lateral roots are increased, so that damage to tobacco seedlings during transplanting is minimized; by adopting a water-limiting and fertilizer-controlling seedling-hardening technology, the tobacco seedlings grow in the semi-arid environment, so that the resistance of the tobacco seedlings is improved, advantages of the root systems of the tobacco seedlings are given full play to, the yield and the quality of tobacco leaves are improved, meanwhile, the rejuvenating period of the tobacco seedlings after being transplanted into a field is shortened, and the effective growth and development time is prolonged.

Non-magnetic drill collar surface rolling processing method

The invention discloses a non-magnetic drill collar surface rolling processing method. A non-magnetic drill collar material adopts low-carbon high-chromium manganese steel which is processed through the technological processes of forging, alignment, rough turning of excircle, drilling and the like, and then the processes of rolling the inner hole surface, finely turning the excircle and rolling the surface of the excircle. The rolling processing on the surfaces of the inner hole and the excircle is performed by using a hard metal alloy roller and a roller wheel respectively; and during rolling, a cutting tool and a workpiece have certain included angle and rolling linear velocity, and the feeding speed and the rolling pressure are controlled. Because the surface rolling processing method is chipless machining, surface structures are strengthened, and the service performance, the fatigue strength resistance, the wear resistance and the corrosion resistance of the workpiece are improvedobviously ...

Boring die drive mechanism

The invention relates to a special boring die drive mechanism compact in structure in the field of boring. The boring die drive mechanism comprises an input shaft, an output shaft and a transition shaft, a first duplicate gear is slidably connected on the input shaft, a triple gear is rotationally connected on the transition shaft, a second duplicate gear is further slidably connected on the transition shaft, and a transition gear is fixedly connected to the shaft end of the transition shaft; the output shaft comprises an internal spline gear shaft rotationally connected with a body, an outer spline boring bar shaft is connected in the internal spline gear shaft axially and slidably, a nut guide bush is fixed inside the external spline boring bar shaft, a feeding screw matched with the nut guide bush is further arranged in the external spline boring bar shaft, the extension end, extending out of the internal spline gear shaft, of the feeding screw is rotationally connected with a first ...

Method for continuous catalytic reduction of methylallyl aldehyde through recycling of aluminum isopropoxide

The invention belongs to the field of fine chemical engineering and relates to a method for continuous catalytic reduction of methylallyl aldehyde through recycling of aluminum isopropoxide. According to the method, the continuous reduction of the methylallyl aldehyde is realized through the recycling of the aluminum isopropoxide to prepare the methylallyl alcohol. The method comprises the steps as follows: (1) a reduction reaction; (2) evaporation of a reaction system and purification of reduction products; and (3) a circular reaction. The method has the advantages that conversion rates of repeated catalytic reduction reactions are kept above 85%, the selectivity is kept above 90%, the reaction condition is mild, the rate of the reduction reaction is high, the reduction reaction is performed relatively completely, the catalyst aluminum isopropoxide can be recycled, the reduction products are easy to separate and purify and the like. The method has very low requirements for industrial production ...

Traditional Chinese medicine composition for treating furuncle

The invention provides a traditional Chinese medicine composition for treating furuncle. The traditional Chinese medicine composition consists of divaricate saposhnikovia root, szechuan lovage rhizome, Chinese angelica, Chinese herbaceous peony, rheum officinale, mirabilite, fructus forsythiae and mint. The traditional Chinese medicine composition has the effects of dispelling wind and relieving summer-heat, and the clinical cure rate is 85 percent.

Method for determining content of silicon in uranium-titanium-niobium alloy

The invention relates to the field of chemical detection, in particular to a method for determining the content of silicon in uranium-titanium-niobium alloy. The determination method comprises the following steps: S1, removing an oxide layer on the surface of the uranium-titanium-niobium alloy, adding a mixed acid of nitric acid and hydrochloric acid, and heating for dissolving; s2, ammonia water is added into the dissolved liquid to adjust the dissolved liquid to just generate precipitates, and a sulfuric acid solution is used for adjusting the precipitates to just disappear, so that mixed liquid is obtained; s3, adding a sulfuric acid solution and an ammonium molybdate solution into the mixed solution, standing at room temperature, adding a mixed acid of oxalic acid and sulfuric acid and an ascorbic acid solution, fixing the volume, uniformly shaking and standing to obtain a to-be-detected solution; and S4, drawing a standard curve by using the silicon ion standard solution, measuring ...

Bulk curing barn with improved radiating device and fan system

The invention provides a bulk curing barn with an improved radiating device and an improved fan system. The bulk curing barn at least comprises a tobacco chamber and a hot air chamber, wherein a heat insulation wall is arranged between the tobacco chamber and the hot air chamber, the tobacco chamber and the hot air chamber conduct hot air flow circulation through a hot air inlet and a hot air return port arranged in the heat insulation wall. The tobacco chamber comprises a tobacco hanging rack, an observation window, a humidity discharging port, a barn door and a fan system. The hot air chamber comprises a furnace, a radiator and a chimney. A radiating pipe of the radiator adopts an aluminum fireproof material. The fan system comprises fan blades, a motor, a frequency converter and a temperature control instrument. The bulk curing barn with the improved radiating device and the improved fan system optimizes the heat supply system fan, enables heat supply moisture discharging performance ...

Erosion testing device of dike breach

The invention relates to an erosion testing device of a dike breach. Through the use of the device, problems that the erosion testing device of the dike breach is difficult to monitor in real time, the test precision is not high, and the controllability of a soil sample and a current is difficult to maintain. The device is characterized in that a testing groove comprises a water groove and a soil sample groove in which the lower part of the water groove is mounted, wherein the water groove is of a hollow structure with two open ends, and an erosion passage is defined by the inner cavity of the water groove; the soil sample groove is of a hollow structure with an open upper part, a soil body placing cavity is defined by the inner cavity of the soil sample groove, the upper part of the soil body placing cavity is communicated with the erosion passage, and a horizontal supporting plate is mounted in the soil body placing cavity; output shafts of push rod motors extend into the soil body placing ...

Fixture for dynamic stretching test of fibre reinforced compound material

Mask plate

The invention provides a mask plate. The mask plate is used for transferring transistor patterns to a glass substrate. The mask plate comprises a plurality of mask patterns. Each mask pattern comprises a semicircular first pattern, a second pattern horizontally extending from the cambered edge of the outer circle of the first pattern, and a third pattern located in the central position of the first pattern and far away from the inner circle of the first pattern, wherein the first pattern is provided with a groove having a light transmission function. As the light-transmissible groove is formed in the first pattern of the mask plate, a photoresist liquid between the first pattern and the third pattern in the exposure and development process can further chemically react and then can be thoroughly removed, and therefore, no difference is generated between the transistor patterns actually transferred to the glass substrate and theoretical transistor patterns, and the resolution is increased ...

Navigation positioning structure for spinal surgery

The invention relates to a navigation positioning structure for spinal surgery, and belongs to the field of medical instruments. The navigation positioning structure comprises a first assembly, a second assembly, a third assembly, a fourth assembly and a fifth assembly; the first assembly comprises a supporting shaft and a fixing needle. The lower part of the fixing needle is fixed on the surface of a vertebral spinous process; the second assembly is a driving assembly and drives the third assembly to rotate; the third assembly is a spherical hinge assembly; the fourth assembly is a calibration assembly and is driven by a second rotating motor to rotate relative to the third assembly; the fifth assembly is an operation assembly and comprises an operation arm and a second sleeve; the operating arm comprises a cantilever arm, a sliding block and a fixed pipe; the sliding block is driven by the second linear motor to linearly slide along the upper surface of the fourth assembly. The interior ...

Pre-separation process of coal slime flotation

The invention belongs to a coal slime flotation method in coal mine production and particularly relates to pre-separation process of coal slime flotation. Slime water of a coal preparation plant is evenly mixed, after the slime water is graded through a concentration hydrocyclone, underflow serves as coarse clean coal, overflow slime water passes through an overflow feeding pipe of the concentration hydrocyclone to enter a buffering agitator (3), a coarse separating screen plate (2) arranged in the buffering agitator (3) in an inclined mode is utilized to remove large particles, the overflow slime water enters the buffering agitator (3) after the coarse particles are removed, the overflow slime water is evenly mixed, and the slime water evenly mixed in the buffering agitator (3) is pumped into the left end of a first feeding pressure stabilizing pipe (5) connected with the upper portion of a first hydrocyclone (7) through a feeding slurry pump. Fine pea coal, low ash content fine fraction ...

Method for manually monitoring abrasion amount of concrete

The invention is suitable for the technical field of engineering detection, and relates to a concrete abrasion amount manual monitoring method, which comprises the following steps: S10, embedding a trapezoidal concrete abrasion amount monitoring device into a concrete structure in a manner of being vertical to a concrete surface; s20, the upper bottom edge and the lower bottom edge of the concrete abrasion amount monitoring device are parallel to the concrete surface, the upper bottom is flush with the concrete surface, and the lower bottom is embedded in the concrete; and S30, measuring the size of the exposed part of the concrete abrasion amount monitoring device, and calculating the abrasion amount of the concrete by using a similar triangle principle. The device can be flexibly arranged according to actual conditions of engineering and a monitoring range, local monitoring can be carried out, large-range arrangement can also be carried out to realize comprehensive monitoring, and the ...

Automobile seat backrest closed type pipe frame and welding equipment thereof

The invention discloses an automobile seat backrest closed type pipe frame and welding equipment thereof, and relates to the technical field of automobile part welding equipment. According to the automobile seat backrest closed type pipe frame and the welding equipment thereof, the same series of automobile seat backrest closed type pipe frames with different sizes can be clamped and positioned at the same time in the welding process through the welding clamping and positioning mechanism, so that the clamping application range of the automobile seat backrest closed type pipe frame is widened; the multiple clamping units are arranged in the first welding clamping assembly or the second welding clamping assembly, stable supporting and clamping force can be provided for the automobile seat backrest closed type pipe frame at multiple positions, the automobile seat backrest closed type pipe frame is more stable in positioning, the situation that the position of the automobile seat backrest closed ...

Device and method for measuring explosive article coefficient of linear expansion

A device used for measuring linear expansion coefficient of explosion articles consists of heating zone, temperature controller, insulated barrel, displacement transducer, protection barrel and external barrel. Its measuring method is also disclosed.

Double-control hydraulic system of buried garbage station

The invention discloses a double-control hydraulic system of a buried garbage station. The double-control hydraulic system comprises a lifting oil cylinder; the oil supply mechanism comprises an oil tank, an electric pump and a manual pump, and oil inlets of the electric pump and the manual pump are both connected with the oil tank; the first three-position four-way electromagnetic reversing valve is provided with a first manual reversing structure, so that the conduction direction of the first three-position four-way electromagnetic reversing valve is manually regulated and controlled; a port P of the first three-position four-way electromagnetic directional valve is connected with an oil outlet of the electric pump and an oil outlet of the manual pump, a port T of the first three-position four-way electromagnetic directional valve is connected with the oil tank, a port A of the first three-position four-way electromagnetic directional valve is connected with a large cavity oil port of ...

Method for realizing automation of product testing process

The invention discloses a method for realizing automation of product testing process. In the method, the testing process is treated as a programmable time-related state change process; the description data on the product testing process is compiled in advance and is converted into control data that can be identified by a computer; the computer outputs a control signal according to the control data so as to carry out real-time control and automatic data collection on the product testing process, thus realizing the automation of testing process. In the invention, the requirements of different product testing processes can be supported, the automatic test on multi-type product is realized, the testing requirements on the products with excessive state parameters or complexly changing state parameters can be met, and the exactness and reliability of the tested data can be ensured.

Banding template

The utility model provides a banding template, including master module, right corner template and left corner template, right corner template and left corner template lower extreme be the base even, the master module both ends are equipped with first recess and second recess respectively, be equipped with respectively on a left side corner template and the right corner template with first recess and the first arch of second recess matched with and second are protruding, right corner template and left corner template go up equal hinge has the fastener, be equipped with the draw -in groove on the master module, work as first arch with first groove phase cooperation or second protruding with during the cooperation of second groove phase, the fastener can block income the draw -in groove. Theutility model discloses before slip casting begins, insert the master module forms wholly with corner template, corner template hem (can select the crotch) inserts the recess is in order to increase overall ...

Jack capable of automatically jacking clamping pieces

The utility model discloses a jack capable of automatically jacking a clamping piece. Jack belongs to the technical field of jacks, the jack comprises a jack body, the left side of the jack body is fixedly connected with tool anchors; a tool clamping piece is fixedly connected into the tool anchor; prestressed tendons are fixedly connected into the tool clamping pieces; the left side of the upperpart of the jack body is fixedly connected with a first nozzle; the right side of the first nozzle is fixedly connected with a second nozzle; a tensioning piston is slidably connected to the left sidein the jack body. The right side of the tensioning piston is fixedly connected with a spacer bush; an oil inlet is formed in the side wall of the spacer bush; a jacking piston is slidably connected into the spacer bush, a spring is installed on the right side of the jacking piston, a jacking block is fixedly connected to the right side of the spring, a working clamping piece is fixedly connectedto the ...

Mine security inspection system and method based on 5G distributed MEC network

The invention discloses a mine security inspection system and method based on a 5G distributed MEC network, and the system achieves the design of the related layout of MCE nodes of the mine security inspection system based on the 5G distributed MEC network, thereby fully guaranteeing that the comprehensive energy loss of each node falls into a needed usable range in a mine inspection scene. Therefore, it is ensured that the MEC fully plays a role in the mine inspection scene, the advantages of deployment cost reduction and energy consumption reduction brought by the MEC can be achieved, the energy loss of the MEC is comprehensively reduced, and the mine security inspection system and method based on the 5G distributed MEC network can really achieve landing application in the mine inspection scene.

Multi-view video transmission error control method for rate distortion optimization dynamic regulation

The invention discloses a multi-view video transmission error control method for rate distortion optimization dynamic regulation. The method comprises the following steps of: estimating end-to-end distortion of a key frame and a non-key frame in a KS-IPP coding framework for predicting views in the key frame by using different estimation methods, wherein the end-to-end distortion of the key frameis estimated by a distortion method combined by channel simulation and rapid estimation; and the end-to-end distortion of the non-key frame is estimated by using a conventional recurrence-based distortion estimation method; combining the estimated end-to-end distortion and rate distortion optimization technology; and realizing the dynamic regulation of the rate distortion optimization through thedynamic change of the end-to-end distortion and the dynamic regulation of Lagrangian multiplier. The method has the advantages of effectively reducing the dispersion of the transmission error among the views ...

Electric network geomagnetic induction current monitoring method and apparatus

This invention provides an electric network ground magnetism induction current monitoring test and its device. This method adopts fluxgate sensor and Hall sensor to separately collect the GIC signals of the electricity transmission circuit and transformer neural point. It uses the characteristics of direct current valve and GIC semi-direct current, long sustaining time as the basis of the starting and analysis to realize the measurement and record of the GIC signals. The device of this invention comprises signal collecting senor, simultaneous signal collecting cark and engineer control computer.

Microwire wire drawing machine for aluminum-silicon bonding wire

The invention discloses a microwire wire drawing machine for an aluminum-silicon bonding wire. The microwire wire drawing machine comprises a transmission system, a wire drawing mechanism and a take-up and winding device, wherein the wire drawing mechanism consists of a wire guiding roller, a wire drawing die holder, a wire drawing roller and a finishing die holder which are arranged in the horizontal direction sequentially, and the wire guiding roller and the wire drawing roller form a certain included angle inwards in the horizontal direction; the take-up and winding device consists of a take-up and winding main shaft and a take-up wheel and an encoder which are respectively arranged at the lower end and upper end of the take-up and winding main shaft, the take-up power of the take-up and winding device is provided by a servo motor arranged on one side of the take-up and winding device and is transmitted by a wire winding flat belt, and the winding power of the take-up and winding device ...

Pyrisoxazole-cnidium lactone suspension emulsion and preparation method thereof

The invention discloses a pyrisoxazole-cnidium lactone suspension emulsion and a preparation method thereof. The suspension emulsion contains the following components in percentage by weight: 1%-40% of pyrisoxazole, 0.05%-5% of cnidium lactone, 1%-50% of a solvent, 1%-40% of an emulsifying agent, 1%-10% of a dispersant, 2%-4% of a botanical fungicide, 0.1%-10% of a thickener, 1%-5% of an anti-freezing agent, 0.1%-1.0% of an anti-foaming agent, 0.1%-1% of a preservative and the balance being water. The compound preparation can effectively prevent and control diseases and pests of crops (for example, the preparation can simultaneously prevent and control a disease, i.e., blight, and pests, i.e., cotton bollworm, of cotton), and is durable in efficacy. The compound preparation can also effectively prevent and control various diseases on crops, for example the preparation can simultaneously prevent and control white rot, gray mold and powdery mildew on grapes as well as gray mold, leaf mold ...

High-precision servo motor

The invention belongs to the field of motors, and provides a high-precision servo motor which is characterized in that the front end of a motor rotor is sequentially connected with an inner rotating shaft and an outer rotating shaft; the outer side of the outer rotating shaft is sleeved with a supporting sleeve, and a gap is reserved between the supporting sleeve and the outer rotating shaft; the outer side of the supporting sleeve is sleeved with a grating, the grating comprises an inner hub, an outer hub and spokes, the inner hub and the outer hub are both fixedly connected with the rotating sleeve, and the spokes are connected between the inner hub and the outer hub in a floating mode through telescopic connecting assemblies; a light emitter and a receiver of the encoder are arranged on the two sides of the plane where the grating is located respectively. According to the high-precision servo motor provided by the invention, the split grating is adopted, the spokes are mutually independent ...

Green health-care dried-noodles made up of various kinds of beans flour

A health-care dried noodle series is prepared from wheat, corn, soybean, mung bean, red bean, rice, buckwheat, oats, one of edible fungus, Chinese-medicinal material, fruit-vegetable and trace elements, refined iodine-enriched salt and water. It can prevent and treat diseases and beautify skin.

Ultra-small-pitch optical filter assembly

Embodiments of present invention provide an ultra-small-pitch optical filter assembly. The assembly includes a fiber collimator being able to receive an optical signal; a WDM filter module being able to de-multiplex the optical signal from the fiber collimator into multiple optical beams; and an optical lens assembly being able to receive the multiple optical beams from the WDM filter module and to reduce a physical spacing among the multiple optical beams from a first pitch D to a second pitch d, wherein D/d A method of fabricating the ultra-small-pitch optical filter assembly is also provided. A method of producing a set of optical beams with ultra-small-pitch of spacing is provided as well.

Radial sliding bearing

The utility model relates to the technical field of petroleum and natural gas drilling equipment, in particular to a radial sliding bearing for playing a rotation role on a military column type crane,which comprises an outer support ring fixedly connected with a rotation body of the crane, and an inner support ring fixedly connected with the rotation body, the inner supporting ring is fixedly connected with a samson post of the crane, and the inner supporting ring is connected into the outer supporting ring in a sleeved mode; the pressing plate is fixedly connected with the outer supporting ring; the wedge-shaped keys are connected with the outer supporting ring or the inner supporting ring in a sliding mode, the wedge-shaped keys are further fixedly connected with the pressing plate, thenumber of the wedge-shaped keys is M, and M is larger than or equal to 2; the sliding plate is arranged between the outer supporting ring and the inner supporting ring; the number of the sliding plates ...

Permanent magnet synchronous motor servo system and permanent magnet synchronous motor disturbance optimization suppression method

The invention provides a permanent magnet synchronous motor servo system and a permanent magnet synchronous motor disturbance optimization suppression method. The permanent magnet synchronous motor servo system comprises a digital controller (1), a power driver (2), a current sensor (3), a permanent magnet synchronous motor (4) and an angular position sensor (5). The digital controller (1) is composed of a current controller (101), a composite speed controller (102), a position controller (103) and a flutter signal generator (104). The composite speed controller (102) is composed of a first speed controller (1001), an extended state observer (1002) and an iterative learning controller (1003). According to the method, disturbance of nonlinear friction torque, cogging torque and the like suffered by the permanent magnet synchronous motor in the rapid operation process can be observed without depending on an accurate motor model, the observed disturbance torque is compensated to a closed-loop ...

Emergency flood protection method for dam face of small earth and rockfill dam

The invention discloses a small earth and rockfill dam face emergency flood discharge protection method, and relates to the technical field of hydraulic engineering, the method comprises the following steps: S1, when the water level of an upstream reservoir of a small earth and rockfill dam reaches or approaches a check flood level, if the upstream still has large flood recently according to hydrological forecast, and an existing flood discharge measure cannot meet the flood discharge quantity requirement, the flood discharge measure cannot meet the check flood level; when the reservoir water level tends to rise continuously and the earth and rockfill dam has high risk of overtopping and dam break but has not overtopping yet, flood regulation calculation is carried out according to the predicted reservoir entering flood process, the reservoir capacity water level curve, the current discharge capacity and the dispatching operation mode to determine the prepared flood discharge amount of ...

Building implosion damage effect engineering evaluation method, system, equipment and medium

The invention discloses a building implosion damage effect engineering evaluation method, system, equipment and medium, and relates to the field of building implosion damage evaluation.The method comprises the steps that according to building structure parameters, component structure parameters and material performance parameters, dynamic response formulas of building components in adjacent rooms and a single room are obtained through numerical simulation; based on a dimensional analysis method and a principle of consistent component dynamic response, an engineering calculation formula of equivalent dose propagation coefficients in different directions is established; and obtaining explosion equivalent TNT equivalents in different directions in different rooms according to the explosion load TNT equivalents borne by the building and the explosion occurrence position, converting the explosion equivalent TNT equivalents into dynamic responses of building components in each room, and finally ...

Polypeptide health care vermicelli and instant noodles series products and preparation thereof

The invention relates to 'series products of polypeptide health care dried noodle and instant noodle and a preparation method thereof', which is added with active polypeptide that is a modern burgeoning high-tech biological health care raw material and other miscellaneous cereal ingredients (optional) into wheat flour, and then utilizes handcraft or modernized production equipment and processing technique for the production of high-grade dried noodle and instant noodle to industrialized produce the 'polypeptide health care dried noodle and instant noodle'. Based on the different nutrition and health caring functions, the series products of the invention are classified into two categories: one category is 'polypeptide health care dried noodle and instant noodle' with universal applicability, which is mainly for various kinds of people; the other category is special 'polypeptide health care dried noodle and instant noodle', which is mainly for people with special body constitution. The polypeptide ...

Automatic dress of air condition compressor leafspring seals system

The utility model provides an automatic dress of air condition compressor leafspring seals system has solved the problem that manual operation assembly quality is unstable among the prior art, production efficiency is low, an automatic dress of air condition compressor leafspring seals system, include: line body base, the controller, fixed connection is in on the line body base, conveying mechanism, fixed connection is in on the line body base, the spring dress seals the frock support, fixes on the line body base, positioning mechanism, fixed mounting is in the spring dress seals frock support middle part, and is the level setting, spring mounting and hole sealing mechanism, fixed mounting is in the spring dress seals the upper portion outside of frock support, and perpendicular the setting, conveying mechanism positioning mechanism spring mounting and hole sealing mechanism all with the controller wire is connected. The installation hole sealing of spring adopts controller and automatic ...

Green health-care dried-noodles made up of various kinds of beans flour

A health-care dried noodle series is prepared from wheat, corn, soybean, mung bean, red bean, rice, buckwheat, oats, one of edible fungus, Chinese-medicinal material, fruit-vegetable and trace elements, refined iodine-enriched salt and water. It can prevent and treat diseases and beautify skin.

Biocontrol bacterium streptomyces rochei A-1 for controlling apple fruit ring spot and biocontrol agent thereof

The invention provides biocontrol bacterium streptomyces rochei A-1 for controlling apple fruit ring spot, which is collected in the China Center for Type Culture Collection (CCTCC), Wuhan University, Wuhan, China, on January 12, 2012, with collection number CCTCC No: M2012008, and is verified alive. The invention also provides a biocontrol agent for controlling apple fruit ring spot, prepared by use of the streptomyces rochei A-1. The biocontrol agent provided by the invention has the beneficial effects that the active ingredient streptomyces rochei A-1 has the characteristics of stable control effect, environmental friendliness and the like while the fermentation process for large-scale production is simple, and the production cost is low. In biocontrol on fruit tree diseases, the biocontrol agent provided by the invention has the advantages of continuous effect, good control effect, no pollution, safety to human and livestock, no residue, strong specificity and the like, and is good ...

Split type bottom fork structure

A motorcycle bottom fork structure in the prior art is an integral structure. Cost-effective, the weight is heavy and is only suitable for assembling the hub motor; a middle motor is not suitable forbeing assembled; the applicability is poor, and the like, the utility model provides a split type bottom fork structure. The device comprises a bottom fork pipe, a supporting pipe, a wheel shaft, a connecting plate, a fixing piece, a motor and a liner pipe, a left liner pipe and a right liner pipe are fixedly arranged at the two ends of the supporting pipe respectively, bushings are arranged in the left liner pipe and the right liner pipe respectively, the front end of a bottom fork pipe I is fixedly arranged on the left liner pipe, and the front end of a bottom fork pipe II is fixedly arranged on the right liner pipe; the upper left connecting plate and the lower left connecting plate are arranged above and below the left side of the motor respectively, and the upper right connecting plate ...

Electrostatic spraying device based on six-rotor unmanned aerial vehicle

The utility model discloses an electrostatic spraying device based on a six-rotor unmanned aerial vehicle, and belongs to the technical field of agricultural plant protection. The six-rotor unmanned aerial vehicle comprises a six-rotor unmanned aerial vehicle body, L-shaped frames located on the two sides of the bottom of the six-rotor unmanned aerial vehicle body and a pesticide storage box located in the two L-shaped frames, one side wall of the pesticide storage box communicates with a liquid outlet pipe, the bottom of the liquid outlet pipe is movably connected with a telescopic pipe through a movable mechanism, and the telescopic pipe comprises a fixed end and a telescopic end. According to the utility model, the liquid outlet pipe, the movable mechanism and the telescopic pipe are matched with one another; the telescopic end of the telescopic pipe can be extended or shortened; in turn, the problem of the prior art is solved, a pesticide storage box and a spraying device on the six-rotor ...

Method for supporting parallel access of multiband 6LoWSNs (IPv6 over low power wireless sensor networks) to internet

The invention relates to a method for supporting parallel access of multiband 6LoWSNs (IPv6 over low power wireless sensor networks) to the internet. Five wireless sensor network access channels are designed according to the bands and types of the wireless sensor networks and are named as channels F1 to F5; the status of each access channel is judged by means of port polling; 433MHz, 470MHz, 780MHz, 2.4GHz and WiFi5 sensor networks are used as sub-network access terminals; a network layer of each sensor network is based on the IPv6 protocol. Boundary nodes of the sensor networks are used for managing and acquiring data information network nodes which the boundary nodes belong to and uploading the acquired data to access equipment; after the access equipment finishes identification of the data channels and adapting of network layer protocols (IPv6 and IPv4), and the data is finally transmitted to the IPv4 based internet. The access equipment designed can be well applied to sensor network ...

Air conditioner compressor blade spring automatic packaging system

The invention provides an air conditioner compressor blade spring automatic packaging system. The problems that in the prior art, the assembly quality of manual operation is unstable, and the production efficiency is low are solved. The air conditioner compressor blade spring automatic packaging system comprises a line body base, a controller, a conveying mechanism, a spring packaging tool support, a positioning mechanism and a spring installation and hole sealing mechanism, wherein the controller is fixedly connected to the liner body base; the conveying mechanism is fixedly connected to the line body base; the spring packaging tool support is fixed to the line body base; the positioning mechanism is fixedly installed in the middle of the spring packaging tool support and is horizontally arranged; the spring installation and hole sealing mechanism is fixedly installed on the outer side of the upper portion of the spring packaging tool support and is vertically arranged; the conveying mechanism ...

Thread root part cold rolling device of petroleum drilling tool

The invention discloses a thread root part cold rolling device of a petroleum drilling tool. The thread root part cold rolling device comprises a fixing frame, a wheel seat, a pressing rod, a force exertion mechanism, a sliding block and a pressure adjusting handle. The fixing frame is hinged to one end of the pressing rod, and the other end of the pressing rod is hinged to a hook, wherein a weighing weight is hung on the hook. The middle end of the pressing rod is hinged to the force exertion mechanism which is movably connected with the sliding block, and the sliding block and the wheel seat on the sliding block can slide along a sliding rail of the fixing frame. Pressure adjustment is conducted on the sliding block through the pressure adjusting handle on the outer side of the sliding rail of the fixing frame, and the fixing frame is provided with a clamping block for fixing the device to a machine tool cutter rest. The angle of a crank of the force exertion mechanism is changed slightly ...

Dustproof placing vehicle for metal mask plates

The utility model relates to the technical field of metal mask plates, in particular to a dustproof metal mask plate placing vehicle which comprises a vehicle bottom plate, idler wheels are fixedly installed at the four corners of the lower bottom face of the vehicle bottom plate respectively, a vehicle body is fixedly connected to the upper surface of the vehicle bottom plate, and an upper cover plate is fixedly connected to the upper end of the vehicle body. A plurality of lock catches are evenly connected between one end of the rear cover plate and the vehicle body, an FFU unit is fixedly connected to the middle of the upper surface of the upper cover plate, and two storage battery containing grooves are formed in the containing frame. When the dustproof placing vehicle for the metal mask plate is used for storing the metal mask plate, if too many particles are attached or moist, the metal mask plate can generate rust or too much dust, so that the production yield is too low during panel ...

Cold rolling press device of oil drilling tool screw root

The utility model discloses a cold rolling press device of oil drilling tool screw root, including mount, gyro wheel seat, depression bar, urging means, slider and pressure regulating handle. Mount and depression bar one end hinged joint, the depression bar other end with hang the couple hinged joint who weighs the weight, depression bar middle -end and urging means hinged joint, urging means swing joint slider, slider can be followed the mount slide rather than last gyro wheel seat and slided, the slider carries out the pressure regulating by the pressure regulating handle in the mount slide outside, the mount is equipped with fixes the grip block on the lathe knife rest with the device. Through rotatory pressure regulating handle, the crank angle fine motion that the slider made urging means is promoted or spurred, freely adjust roll extrusion power, make pair of rollers screw root implement the roll extrusion. Rolling press device compares with the hydraulic means driven, simple structure ...

Weaving forming technology for rattan product

The invention provides a weaving forming technology for a rattan product, and solves the defects that the rattan product in the prior art is weaved roughly, materials are consumed, and regular big artware cannot be produced. The weaving forming technology for the rattan product comprises the following steps: (1) mechanically or artificially weaving rattans to form a rattan plate; (2) according to the specification of a required rattan product, cutting the rattan plate; (3) dipping the cut rattan plate in clean water for 5 minutes, and then softening the rattan plate with steam at the temperature of 60DEG C; (4) carrying out hot pressing to the softened rattan plate by a mould; (5) forming, and stretching the rattan plate according to the specification of the required rattan product to obtain a finished product. The weaving forming technology for the rattan product, which is disclosed by the invention, has the advantages of high technology speed and material saving, and delicate small and ...

No magnetism drilling tool BTA is with floating boring cutter

The utility model discloses a no magnetism drilling tool BTA is with floating boring cutter. Should float the boring cutter includes cutter body, sword piece and blade. The cutter body is axle type, and the sword piece is placed in the cutter body establishes radial quad slit, and the sword piece can freely slide in the radial quad slit of cutter body, and automatically regulated feels relieved, according to no magnetism drilling tool deep hole pore size, the sword piece adopts the modularized design, and an aperture corresponds the sword piece of a model, and sword piece both ends are inlayed and are adorned circular coated tips, makes up into the unsteady boring cutter of slidingtype twolip with the cutter body, has improved the no magnetism austenite stainless steel's of high tenacity (more than the ballistic work 100J) deep hole boring processingquality. And the technological problem that the aperture error is great, the cutter easily weares and teares, the cutter body is easily broken ...

Plasma quenching method of screw threads of petroleum drilling tools

The invention discloses a plasma quenching method of screw threads of petroleum drilling tools, wherein American Iron and Steel Institute AISI4145H steel is subjected to external thread plasma beam quenching and internal thread circular bead surface plasma beam quenching respectively after procedures of blank alignment, turning, drilling, slack quenching and cutting thread. The method has workingprocedures as follows: a workpiece is held on a machine tool and the nozzle of a quenching gun is well adjusted to be parallel and level to the central axis of the screw threads of the drilling tool so as to ensure the distance from the nozzle of the quenching gun to the crest of external threads or the circular bead surface of internal threads; the air pressure of an argon bottle and a power supply of a plasma quenching generator are turned on one after another to keep a certain air pressure and electric current; and the rotating speed of the main shaft of the machine tool is adjusted to longitudinally ...

Material stacking machine

The utility model discloses a material stacking machine, and belongs to the technical field of machining. The stacking machine comprises a detection device, a stacking device and a control device. Thedetection device is configured to detect the end face size of bars. The storage device is configured to store the detected bars; the stacking device is configured to selectively load the bars in thestorage device and arrange the bars into a layer shape; and the material frame device is configured to stack the layered bars in the material stacking device. Through the arrangement of the detectiondevice, the material storage device and the material stacking device, the total width of each layer of stacked bar materials is within the preset range so that the stacked bar materials can be exactlyplaced in the material frame, the adjacent bar materials can be fully attached, the stable stacking of the bar materials in the material frame is achieved, and the convenience of later transportationand use ...

Compound composition preparation of fungicide

The invention discloses a compound composition preparation of a fungicide. The compound composition preparation is prepared from the following effective ingredients in percentage by weight: 0.1%-2% of natural antibacterial compounds, 1%-30% of antibiotic fungicides and a proper amount of a microbial fungicide, wherein 1g of the microbial fungicide includes 10-1000 hundred million of living spores. The compound composition preparation can be prepared into dosage forms of oil suspending agents, wettable powder, water suspending agents and water dispersible granules and can be used for controlling plant diseases caused by a plurality of pathogenic microorganisms. The compound composition preparation can effectively control resistant germs, is wide in sterilization range and long in pesticide effect and has the advantages of high efficiency, and labor-saving, time-saving and effort-saving properties. According to the compound composition preparation of the fungicide, the selected fungicides ...

Rapid detection method for measuring uranium content in uranium dioxide through X-ray fluorescence spectrometry

The invention belongs to the technical field of chemical detection, and particularly relates to a method for rapidly detecting uranium content in uranium dioxide through X-ray fluorescence spectrometry. The method comprises the following steps: selecting a sample weighing amount of about 4.0 g, pressing a sample by using a tablet press, detecting by using a U-Lalpha or U-Lbeta spectral line under the conditions that the 2 theta angle is 37.288 degrees or 20.623 degrees, the PHA is 50%-150%, the voltage of an X-ray tube is 60KV and the current is 9mA, and determining that the curve linearity reaches more than 0.9999. The method has the advantages that the detection precision is not larger than 0.1%, the technical requirement for detecting the uranium content in the uranium compound can be met, and the method is an applicable detection mode at present.

Vehicle networking rescue system based on satellite internet and rescue method thereof

The invention belongs to the field of Internet of Vehicles, and particularly relates to an Internet of Vehicles rescue system based on satellite Internet, which comprises a user vehicle rescue system, a rescue vehicle rescue system and a ground-air integrated rescue platform, the user vehicle rescue system is arranged in a rescued vehicle; the rescue vehicle wireless terminal is arranged in a rescue vehicle; according to the invention, the satellite Internet and the Internet of Vehicles are combined, and a heterogeneous communication mode integrating a plurality of communication carriers such as a satellite, a gateway station, a ground communication base station, an Internet platform, a user terminal and a rescue terminal is used. The satellite internet not only can make up the limitation of ground base station communication in the spatial dimension, but also can support large-volume internet data interaction; in remote areas or areas with sparse ground base stations, communication with ...

High-voltage transmission line linear tower electrified operation overhead ground wire lifting device

The invention discloses a high-voltage transmission line linear tower electrified operation overhead ground wire lifting device comprising a main plate, clamping plates, a pressing plate and lifting screws. Two sides of the main plate are provided with symmetrical left and right elongated bolt grooves, the clamping plates are inverted triangle plates, and left and right inverted triangle plates are arranged at the bottom of the main board corresponding to the left and right elongated bolt grooves and are connected to the main plate through the left and right bolts in the left and right elongated bolt grooves and corresponded screwed nuts; the pressing plate is arranged below the main plate, is lower than the left and right inverted triangle plates and is middle between the left and right inverted triangle plates, and the pressing plate is connected to the main plate through left and right pressing screws in the left and right elongated bolt grooves and corresponded screwed nuts; the upper ...

Method for measuring content of free silicon in SiC composite material

The invention relates to the field of chemical detection, in particular to a method for measuring the content of free silicon in a SiC composite material. The determination method comprises the following steps: S1, drawing a standard curve; s2, taking the ground silicon carbide composite material, adding a sodium nitrate solution, nitric acid and hydrofluoric acid, heating, dissolving, cooling, adding an aluminum chloride solution, fixing the volume, and uniformly mixing; s3, standing the solution after volume metering, taking upper clear liquid, diluting, adding an indicator, neutralizing with ammonia water, adding hydrochloric acid and an ammonium molybdate solution, standing, adding a mixture of oxalic acid and sulfuric acid and a reducing agent, diluting with water, and measuring absorbance by taking water as a reference; the reducing agent is ascorbic acid or stannous chloride; and S4, calculating the content of free silicon in the silicon carbide composite material by using the standard ...

Manganin pressure sensor and device for measuring underwater explosion near-field impact wave pressure

The invention provides a manganin pressure sensor and a device for measuring underwater explosion near-field impact wave pressure and belongs to the technical field of underwater explosive impact measuring. A sensitive element is clamped between two copper-coated thin plates, so that integral structural strength of the sensor is improved, and service life of the sensor is prolonged. The manganin pressure sensor has high anti-interference capability and can resist interference caused to near field measuring by products caused by explosive blasting, residual electric field in water and outside electromagnetic field, and probability is provided for realizing accurate measuring of underwater explosion near-field impact wave pressure.

Novel steel for non-magnetic drill collar and preparation method thereof

The invention discloses a novel steel for a non-magnetic drill collar and a preparation method thereof. The steel for non-magnetic drill collar is made from the following chemical compositions by weight: not higher than 0.03% of C, not higher than 1.0% of Si, 18-22% of Mn, not higher than 0.045% of P, not higher than 0.03% of P, 13.0-18.5% of Cr, 0.4-0.8% of Mo, 0.4-3.0% of Ni, 0.25-0.6% of N andnot higher than 0.10% of Nb. The preparation method comprises the following steps: taking scrap steel, high carbon ferrochrome, low phosphor scrap steel, ferrosilicon and the like as raw materials; primarily melting the raw materials into molten steel by an electric furnace and refining by a nitrogen and oxygen decarburization refinery furnace and an electroslag remelting furnace in three stages,pouring to form keel blocks; and cogging and stretching, cutting ends and rough turning, forging and strengthening, and the like. The steel has stronger resistance to inter-granular corrosion and completely ...

Daylily de-enzyming and drying device and use method thereof

The invention belongs to the technical field of hemerocallis citrina baroni processing, particularly relates to a hemerocallis citrina baroni de-enzyming and drying device and a use method thereof, and provides the following scheme aiming at the problems that in the prior art, after de-enzyming, hemerocallis citrina baroni contains more water vapor, the placing position of the hemerocallis citrina baroni is not changed, and a large number of hemerocallis citrina baroni cannot be continuously dried. The device comprises a drying oven, a cooking box is arranged at the top of the drying oven, a rotating shaft is longitudinally and rotatably connected into the drying oven, and a plurality of hollow plates are fixedly arranged on the outer wall of the rotating shaft in a sleeving mode from top to bottom in sequence. And in the drying process, a triangular shovel plate moves up and down to turn over the day lilies on the hollowed-out disc, so that the day lilies can be evenly dried, and through ...

River and lake stratified water temperature monitoring system

The invention discloses a river and lake layered water temperature monitoring system, which relates to the technical field of river and lake water temperature monitoring and comprises a water temperature sensing layer, a processing layer and a monitoring layer. The water temperature sensing layer comprises a temperature sensor, a depth information module, a positioning module, an information acquisition module, a data conversion module and a data sending module. According to the invention, multiple groups of temperature sensors are utilized to measure the temperatures of water areas at different depths, temperature data, depth information and position information are synchronously collected, and the collected data are analyzed and synchronized to a monitoring platform, so that water temperature monitoring of different levels of the water areas of rivers and lakes is realized; and the monitoring data is called and evaluated through the intelligent evaluation module and the data calling module ...

Cathode structure for field emission display

The invention provides a cathode structure for a field emission display, which comprises a substrate, a cathode layer, a resistance layer, an interlayer dielectric layer and a field emission tip, wherein the cathode layer is positioned on the substrate; the resistance layer is positioned on the cathode layer and is made of amorphous silicon (a-Si); the interlayer dielectric layer is positioned on the resistance layer and is provided with a first opening exposing partial upper surface of the resistance layer; and the field emission tip is positioned on the partial upper surface of the resistance layer in the first opening and is electrically connected with the partial upper surface of the resistance layer, wherein the resistance layer is formed through chemical vapor deposition (CVD). The cathode structure has the advantages that: 1) the cost is reduced; 2) instability of particles on the resistance layer is improved; 3) a stable impedance value is obtained; and 4) the capacity is improved ...

Plasma quenching method of screw threads of petroleum drilling tools

The invention discloses a plasma quenching method of screw threads of petroleum drilling tools, wherein American Iron and Steel Institute AISI4145H steel is subjected to external thread plasma beam quenching and internal thread circular bead surface plasma beam quenching respectively after procedures of blank alignment, turning, drilling, slack quenching and cutting thread. The method has working procedures as follows: a workpiece is held on a machine tool and the nozzle of a quenching gun is well adjusted to be parallel and level to the central axis of the screw threads of the drilling tool so as to ensure the distance from the nozzle of the quenching gun to the crest of external threads or the circular bead surface of internal threads; the air pressure of an argon bottle and a power supply of a plasma quenching generator are turned on one after another to keep a certain air pressure and electric current; and the rotating speed of the main shaft of the machine tool is adjusted to longitudinally ...

Intelligent hydraulic coal leveling device with automatic control system

The invention relates to a coal leveling device technology, aims to solve the problems of resource waste and low coal leveling efficiency caused by the fact that redundant coal cannot be collected when a coal leveling device performs coal leveling operation, and particularly relates to an intelligent hydraulic coal leveling device with an automatic control system. Redundant coal is conveyed into the material collecting box through the shaftless auger, loss of the coal amount and waste of coal resources in the coal leveling operation process are reduced, then the amount of the coal in the cargo compartment is detected, coal supplementing is conducted on the position where the coal is insufficient, and the coal leveling efficiency is improved. A first conveying belt drives a first scraping plate in the conveying process to push coal on the inner side of a coal leveling frame into material collecting grooves in the two sides, so that when the coal leveling device works, the coal located in ...

Mine inspection method and mine inspection device based on 5G network return

The invention discloses a mine inspection method and a mine inspection device based on 5G network return, which ensure load balance of each node and high functional decoupling among different types of nodes through structural design and classification design of a 5G mine inspection network. Constraint modes are provided for the positions and type distribution of the nodes, so that the communication cost is reduced to the greatest extent on the basis of ensuring that the mine inspection network can provide strong data processing capability and data communication capability, and the method is particularly suitable for the field of mine inspection.

Method for determining iron in high-purity hafnium

The invention relates to the field of chemical detection, in particular to a method for determining iron in high-purity hafnium. The determination method comprises the following steps: S1, removing oxides on the surface of a turning scrap-shaped sample; s2, dissolving the treated sample with hydrofluoric acid, and fixing the volume with nitric acid to obtain a solution to be detected; s3, adding an iron standard solution into the to-be-detected solution, fixing the volume to a scale by using nitric acid, and uniformly shaking; sequentially measuring the blank solution, the series of standard solutions and the sample solution after standard addition on an inductively coupled plasma mass spectrometer, and calculating the concentration value of the iron element in the sample by a standard curve method. The precision of the method is superior to 1.0%, and rapid and accurate detection of iron in high-purity hafnium can be completed.

Weld joint treatment device for petroleum drilling tool

The invention relates to the technical field of weld joint treatment, in particular to a petroleum drilling tool weld joint treatment device which comprises a base, a rack and a fixing frame, a plurality of guide wheels are arranged on the base, two cleaning knives are movably installed on the rack and are oppositely arranged, and a drilling rod can penetrate through the inner sides of the cleaning knives. The device has the beneficial effects that when the driving rod rotates, the first tool bit and the second tool bit can be driven to move towards the peripheral side at the same time, so that the first tool bit and the second tool bit make contact with the inner wall of the drill rod, then the first telescopic component drives the pushing piece to push the drill rod rightwards, and a welding seam protruding on the outer side can be cleaned away by the cleaning tool; when the drill rod is in use, welding seams on the inner side can be cleaned by the first tool bit and the second tool bit ...

Large-spacing multi-channel wdm module

Embodiment of present invention provide a wavelength division multiplexing (WDM) module. The WDM module includes a substrate having a first side and a second side opposing the first side, wherein the first side includes a transpassing region coated with an anti-reflective (AR) film and a reflective region coated with a high-reflective (HR) film, and the second side includes multiple ports of optical paths; multiple WDM filters attached to the multiple ports at the second side of the substrate, wherein surfaces of the WDM filters attached to the substrate are coated with WDM films; and at least one reflector attached to the second side of the substrate in a space between the multiple WDM filters, wherein the reflector has a first surface attached to the substrate and a second surface, opposing the first surface, that has a convex shape and coated with a high-reflective (HR) coating.

Preparation method of graphene modified asphalt

带搅拌的电解熔铅锅用集气罩

本实用新型涉及废气收集装置技术领域，特别是涉及带搅拌的电解熔铅锅用集气罩，电解熔铅锅在电解过程中因搅拌与加料导致废气外泄、热量流失，带搅拌的电解熔铅锅用集气罩，包括抽烟管道，所述抽烟管道连通密封隔温盖，所述密封隔温盖朝向电解熔铅锅的一面设置有搅拌轴，所述密封隔温盖上背向搅拌轴的一面设置有为搅拌轴提供动力的减速机和电动机，所述减速机与电动机通过传动皮带实现动力源的传送，所述减速机通过支架安装在密封隔温盖上，自动搅拌减少废气外泄，同时保证供电装置的安全性，在熔铅锅废气收集装置技术领域具有良好的发展前景。

一种10kV配网带电作业螺母辅助安装工具

一种10kV配网带电作业螺母辅助安装工具，涉及电力工程配网技术领域，其结构为：由套筒和螺母架两部分构成，套筒的一端设置有六棱内孔，六棱内孔内底部焊接有弹簧，六棱内孔的外壁四侧分别设置有弹簧压片，弹簧压片分别通过两个铆钉固定在六棱内孔的外壁上；螺母架与支座为一体，平垫、弹簧垫片、螺母依次套在螺母架上。本实用新型的有益效果在于：质量轻，安全性高，强度大，结构精简，使用方便，使用不需要培训，后期无需维护。适用范围广，方便了配网作业中螺母的安装拆卸和取放过程，提高了配网作业的工作效率，减少了作业时间，为有效开展10kV配网不停电作业提供了有力的保障。

一种10kV配网不停电作业绝缘承力拉杆

一种10kV配网不停电作业绝缘承力拉杆，涉及电力工程配网技术领域，其结构为：绝缘杆两端设置有外螺纹，连接件A一端设置有内螺纹，另一端也设置有内螺纹，连接件B一端设置有内螺纹，绝缘杆两端的外螺纹分别与连接件A和连接件B螺纹连接，并用固定销A和固定销B固定，吊环通过固定螺栓穿过吊环上设置的通孔与连接件A螺纹连接，连接件B与挂钩固定连接，挂钩与锁舌之间设有扭簧并通过固定销C活动连接。本实用新型的有益效果：制作简单，携带方便，质量轻、强度大、结构精简、使用方便，使用不需要培训，后期无需维护，保证在使用绝缘绳索类时有良好的绝缘性能，避免出现意外漏电现象，防止发生短路或人员触电危险，同时具备较强的承力性能。

Large-spacing multi-channel WDM module

Embodiment of present invention provide a wavelength division multiplexing (WDM) module. The WDM module includes a substrate having a first side and a second side opposing the first side, wherein the first side includes a transpassing region coated with an anti-reflective (AR) film and a reflective region coated with a high-reflective (HR) film, and the second side includes multiple ports of optical paths; multiple WDM filters attached to the multiple ports at the second side of the substrate, wherein surfaces of the WDM filters attached to the substrate are coated with WDM films; and at least one reflector attached to the second side of the substrate in a space between the multiple WDM filters, wherein the reflector has a first surface attached to the substrate and a second surface, opposing the first surface, that has a convex shape and coated with a high-reflective (HR) coating.

Bidirectional micro-optics module for WDM application

Embodiment of present invention provide a micro-optics module. The module includes a glass body of pentagon shape having five side surfaces including an upper side surface, a left side and a right side surface next to the upper side surface, a lower side surface next to the left side surface, and a 5th side surface next to and between the lower side surface and the right side surface. The glass body is adapted to, upon incident of a first optical signal at the left side surface, cause the first optical signal to propagate toward and exit the glass body at the right side surface and, upon incident of a second optical signal at the right side surface, cause the second optical signal to reflect back at the left side surface; reflect back at the 5th side surface; and finally exit the glass body at the upper side surface.

Bidirectional micro-optics module for wdm application

Embodiment of present invention provide a micro-optics module. The module includes a glass body of pentagon shape having five side surfaces including an upper side surface, a left side and a right side surface next to the upper side surface, a lower side surface next to the left side surface, and a 5th side surface next to and between the lower side surface and the right side surface. The glass body is adapted to, upon incident of a first optical signal at the left side surface, cause the first optical signal to propagate toward and exit the glass body at the right side surface and, upon incident of a second optical signal at the right side surface, cause the second optical signal to reflect back at the left side surface; reflect back at the 5th side surface; and finally exit the glass body at the upper side surface.