Multi-rotor aircraft capable of hovering in any attitude

The invention discloses a multi-rotor aircraft capable of hovering in any attitude, and belongs to the field of aircraft structure design, the whole aircraft is composed of carbon fiber tubes and printing pieces, adjacent carbon tubes are connected and reinforced through 3D printing pieces, observation is carried out with the upper vertex as a reference point, the center part is a regular tetrahedron, and the three-dimensional printing pieces are arranged on the carbon fiber tubes. The three-side structure units extend in the normal direction of the tetrahedron frame, the six extending three-side structure units are combined with the tetrahedron frame, the whole unmanned aerial vehicle is in central symmetry, and the problem that a common multi-rotor unmanned aerial vehicle cannot hover at any angle can be solved.

Warp loom guide bar assembly

The invention relates to a guide bar assembly of a warp knitting machine, comprising a tension frame support, a guide bar fixing frame, guide bars, figure knitting drums and a motor. The figure knitting drum is two and respectively arranged at the left and the right side of a machine frame; a rocking arm shaft is also positioned at the left and the right side of the machine frame respectively; theguide bars are divided into two groups; the rocking arm shafts are provided with rocking arms that are corresponding to one group of guide bars; main mandrils are connected to the rocking arms, and the guide bars are connected with the corresponding main mandrils and the rocking arms are propped in motion by mutually corresponding figured pattern card chains, which are of the same side and are onthe figure knitting drums; the left and the right of the machine frame are provided with a guide bar resetting mechanism respectively; a motor promotes the two figure knitting drums to rotate througha transmission ...

Computer-based packing state management system and computer-based packing state management method

The invention discloses a computer-based packing state management system and a computer-based packing state management method. The computer-based packing state management system comprises an operating system module, a data transmission module, a storage module, a calling module, a printing module, and a drawing module. The operating system module includes an interface module and a scheduling module. The data transmission module includes a transmission path selection module, a communication module, and a data storage module A. The storage module includes a storage path selection module, a data storage module B and an information storage module. The calling module includes a test data calling module and a test information calling module. The printing module includes a test report module and a data output module. The drawing module includes a calculation module and a curve module. Data transmission, test data information storage and calling, relation curve drawing and test report printing ...

Dynamic bearing ratio detecting method and instrument

The invention discloses a dynamic bearing ratio detecting method and a dynamic bearing ratio detecting instrument. The dynamic bearing ratio detecting instrument comprises a loading device, a bearing device, a test device, a load block, a bearing ratio barrel and the like, wherein the loading device comprises a guide steel sleeve, a damping device and a guide rod which are connected in turn from the bottom to the top, and the guide rod is sleeved with a drop hammer; the bearing device comprises a bearing steel hood of which the lower part is connected with an insertion rod; the test device comprises a vibration test sensor and an electronic tester which is arranged in the bearing steel hood. Detection is performed as follows: firstly, the drop hammer of the loading device drops freely from a certain altitude to impact the bearing device and the insertion rod of the bearing device inserts into soil body, and then the correspondence between the insertion depth and the bearing ratio is obtained ...

Parameter detecting device for surface vibrating compaction tester

The utility model discloses a parameter detecting device for a surface vibrating compaction tester. The parameter detecting device comprises a force detecting device and a data collecting and processing device. The force detecting device comprises a force bearing plate, a force sensor and a bottom plate which are sequentially connected from top to bottom. The upper surface of the force bearing plate makes direct contact with a steel rammer of the surface vibrating compaction tester. The force sensor is connected with the data collecting and processing device. The lower portion of the force bearing plate is connected with the force sensor through a spherical hinge. The force sensor is used for detecting parameters of surface static pressure, vibration frequency, exciting force and the like of the surface vibrating compaction tester, and has the advantages of being convenient to use, easy to operate and high in detection speed, data are accurate and objective, a detecting result can be printed ...

Display driver and control method thereof, display control circuit system, and electronic device

The embodiment of the invention provides a display driver, a control method, a display control circuit system and electronic equipment, relates to the technical field of electronics and communication, and is used for reducing the probability of a screen lag phenomenon when a dynamic image is displayed and reducing the power consumption of a display screen in a command mode. A time sequence control unit of the display driver sends a first pulse of a split screen effect signal every first preset time T1. When the receiving and transmitting unit does not receive the Nth frame of display data in the preset time, the time sequence control unit sends second pulses of the S split screen effect signals, the second pulses of the S split screen effect signals are used for prolonging the duration of the Nth frame for second preset time T2, and the host is instructed to display the Nth frame of display data according to the Sth second pulse of the split screen effect signals. And outputting the generated ...

A brown coal gasification system and method thereof

The invention discloses a new type of brown coal gasification system and a method thereof, including gasifier, separator, catalytic reformer and condenser etc. The gasifier is divided into three regions (i.e. upper area, central area and bottom area) from top to bottom. The hole shrinkage is located between upper area and central area. The internal cylinder with an opening at the bottom is installed in the upper part where secondary drying of pulverized coal is occurred. The central area is gasification zone; the slag storage device is at the bottom of gasifier. The slag drip opening is installed in the bottom of slag storage device. The nozzle is installed at the top of gasifier which connected with screw feeder and dry separation device with air medium. The high temperature gas entrance, gas outlet and gasifying agent inlet are set in side wall of gasifier. The gas outlet connects with separator, catalytic reformer and condenser in sequence. The invention integrates dry separation, dehydration ...

Non-viral gene vector as well as preparation method and application thereof

The invention discloses a non-viral gene vector as well as a preparation method and application thereof, and belongs to the technical field of genetic engineering, the non-viral gene vector is a double vector formed by blending hyperbranched polyethyleneimine and a comb-shaped cationic polymer, and the comb-shaped cationic polymer is prepared by taking glucan as a molecular skeleton and taking the glucan as a molecular skeleton. Randomly copolymerized methacrylic acid 2-(N-lactosamide) ethyl ester and methacrylic acid dimethylaminoethyl ester are used as side chains. The non-viral gene vector disclosed by the invention has relatively high transfection efficiency and relatively low toxicity on transfected cells in a serum environment, and has a wide application prospect.

Air door automatic closing device

Air door automatic closing device, it includes door frame (6), be equipped with air door (1) on door frame (6), be connected between door frame (6) and the air door (1) door -hinge (3), its characterized in that is close to air door (1) the top of door -hinge (3) and connects one elasticity iron wire (2), the other end of elasticity iron wire (2) is connected with wall body (4) top, be close to air door (1) the below of door -hinge (3) and also connect one elasticity iron wire (2), the other end of elasticity iron wire (2) is connected with wall body (4) below. The utility model has the advantages of the installation is simple, convenient to carry, maintenance volume are little, can effectively realize air door self -closing function, avoid causing another pectinid door to open because of the tensile force of interlock shutting rope.

A brown coal gasification system and method thereof

The invention discloses a new type of brown coal gasification system and a method thereof, including gasifier, separator, catalytic reformer and condenser etc. The gasifier is divided into three regions (i.e. upper area, central area and bottom area) from top to bottom. The hole shrinkage is located between upper area and central area. The internal cylinder with an opening at the bottom is installed in the upper part where secondary drying of pulverized coal is occurred. The central area is gasification zone; the slag storage device is at the bottom of gasifier. The slag drip opening is installed in the bottom of slag storage device. The nozzle is installed at the top of gasifier which connected with screw feeder and dry separation device with air medium. The high temperature gas entrance, gas outlet and gasifying agent inlet are set in side wall of gasifier. The gas outlet connects with separator, catalytic reformer and condenser in sequence. The invention integrates dry separation, dehydration ...

Intelligent 3D forming two-needle bar warp knitting machine

The invention relates to an intelligent 3D forming two-needle bar warp knitting machine which comprises a guide bar cradle. The upper end of the guide bar cradle is connected with an upper pendulum transmission mechanism of the guide bar cradle. A lower pendulum transmission mechanism of the guide bar cradle is connected with the end portion, located on the rear side of the warp knitting machine, on the guide bar cradle. Multiple rear-needle bar guide bars are arranged on the part, located on a rear-needle bar of the warp knitting machine, on the guide bar cradle and multiple front-needle bar guide bars are arranged on the part, located on a front-needle bar of the warp knitting machine, on the guide bar cradle. The upper pendulum transmission mechanism of the guide bar cradle and the lower pendulum transmission mechanism of the guide bar cradle drive the guide bar cradle to swing back and forth. Thus, the rear-needle bar guide bars installed on the guide bar cradle can swing to the front ...

Bamboo charcoal warp knitting plus material for automobile inner decoration

The invention discloses a bamboo charcoal warp-kintted face fabric for automobile interior decoration, which is prepared by bamboo charcoal fiber through warping, weaving and plucking. The electronegative ion realeasing concentration of the bamboo charcoal warp-kintted face fabric is 800ind/cm3 to 1500ind/cm3. Formaldehyde adsorbance of the bamboo charcoal warp-kintted face fabric is 2.0mg/L. The static voltage of the bamboo charcoal warp-kintted face fabric is 2000V-2200V. The bamboo charcoal fabric is binchotan fiber. And the binchotan fiber mainly comprises polyester and binchotan micro-powder, wherein, the content of the binchotan micro-powde which is measured as weight is 1%-2%. The particle diameter of thebinchotan micro-powde is 200-800 orders. The bamboo charcoal warp-kintted face fabric of the invention has very strong adsorption capacity to harmful gas in air, which can purify the quality of air. And the anion which is released can also absorb minute quantity of harmful gas which ...

Road bed filler compacted density detector

The utility model discloses a road bed filler compacted density detector, including the bottom plate, be equipped with the liquid storage cylinder on the bottom plate, be equipped with weighing sensor between liquid storage cylinder and the bottom plate, the lower part of bottom plate is equipped with level sensor, and the upper portion of liquid storage cylinder is equipped with the fill orifice, and the lower part of liquid storage cylinder is equipped with the liquid outlet and is equipped with control switch, and the liquid outlet passes the bottom plate, and weighing sensor and level sensor are connected with data processing device through the wire respectively. Have advantages such as the instrument is light, easy and simple to handle, reliable data, automatic control flow, automatic calculation, improved the reliability of test efficiency and testing result, be suitable for the road bed to pack and detect.

ASSEMBLED BALLASTLESS TRACK STRUCTURE AND LONGITUDINAL CONNECTING STRUCTURE AND ASSEMBLY METHOD OF THE SAME

Automatic testing arrangement in bridges and culverts position is advanced on top

The utility model discloses an automatic testing arrangement in bridges and culverts position is advanced on top, including level detection device, offset detection device, degree of depth detection device and electron testing arrangement, level detection device and offset detection device locate the top of culvert inner wall, and degree of depth detection device locates the lateral part of culvert inner wall, level detection device, offset detection device, degree of depth detection device with electron testing arrangement wireless connection. Simple to operate, easy operation, can be objectively accurate automated inspection with calculate the test result, wireless transmission, data are accurate objective. Bridges and culverts position or gesture measuring are advanced to the top that is applicable to down railway, highway, town road and other buildings.

Dynamic ballast bed support rigidity detection instrument and detection method

The invention discloses a dynamic ballast bed support rigidity detection instrument and a detection method. The detection instrument comprises a sleeper protecting plate, a force baring plate, a damper device and a loading device which are arranged from bottom to top in sequence, wherein an acceleration sensor or a displacement sensor are arranged between the force bearing plate and the damper device; the loading device comprises a guide rod; a drop hammer is arranged on the guide rod; a hook device is arranged at the upper part of the guide rod. In the detection process, buckles of the sleeper to be detected are firstly loosened so as to enable the sleeper to be in the free state, subsequently, the sleeper protecting plate, the force bearing plate and the loading device are sequentially arranged from bottom to top in the middle of the sleeper in sequence; dynamic load is exerted to the force bearing plate and the sleeper below the force bearing plate to continuously impact for multiple ...

Tobacco mellowing quality control method and system, medium and electronic equipment

The invention provides a tobacco mellowing quality control method and system, a medium and electronic equipment. The method comprises the following steps: matching a target warehousing strategy for warehousing tobacco leaf raw materials so as to maintain the warehousing tobacco leaf raw materials according to the target warehousing strategy; obtaining maintenance data of the warehouse entering tobacco leaf raw materials in the maintenance process; evaluating the alcoholization quality of the warehousing tobacco leaf raw materials based on the maintenance data; when the alcoholization quality meets the early warning condition, early warning is carried out, so that the alcoholization quality of the tobacco leaf raw materials entering the warehouse is controlled; based on the support of an automatic data acquisition technology, tobacco curing quality evaluation and risk prevention and control are realized through automatic data acquisition, data analysis, early warning pushing, auxiliary decision ...

Automatic down draught device of one way dryer

The utility model provides an automatic down draught device of one way dryer, it includes dryer (1), is connected with main station fan (2) in the one end of dryer (1), its characterized in that: one end at main station fan (2) is connected with switching dryer (3), is equipped with on switching dryer (3) air intake (4), still be connected with inside lining dryer (3a) on the inner wall of switching dryer (3) on one side of air intake (4), still be connected with reserve portable blower (5) in the one end of switching dryer (3). The utility model discloses it is convenient to have processing, and it is convenient, small to install, and occupation space is less, because the space is limited in the time of can solving cundy or many portable blowers air feed, and the unable problem that realizes two dryer switch installations.

CRTSIII type plate type ballastless track self compaction concrete filling thickness automatic measuring device

The invention discloses a CRTSIII type plate type ballastless track self compaction concrete filling thickness automatic measuring device, which comprises a test instrument host machine and a detection rod, wherein the detection rod is connected with the test instrument host machine through a conducting wire and is provided with a plurality of metal rings from bottom to top, each metal ring is connected with a single conducting wire, the conducting wires are arranged inside the detection rod and penetrate out from the top of the detection rod, the detection rod is arranged at the exhaust hole part of a self compaction concrete filling template and the observing hole part of a track plate of a CRTSIII type plate type ballastless track, and is fixed through a fixing support frame. The filling condition of the self compaction concrete filling between the prefabricated track plate and a reinforced concrete base can be automatically monitored, the instrument is light and ingenious, the use is ...

Quiet rigidity automatic checkout device of resilient sleeper -bearing under sleeper

The utility model discloses a quiet rigidity automatic checkout device of resilient sleeper -bearing under sleeper, including the testing machine base, railway ballast backing plate on the testing machine base, railway ballast backing plate top is equipped with the loading steel sheet, it arranges in between railway ballast backing plate and the loading steel sheet to be inspected appearance, be equipped with loading device and decrement collection system on the loading steel sheet, decrement collection system includes perpendicular pull formula gage beam, the front end of perpendicular pull formula gage beam is equipped with the contact, the rear end is the gage beam, the contact is located loading device's lower extreme and is contacted with the central of loading steel sheet, the rear end of gage beam is fixed on the support, the gage beam is equipped with displacement sensor, the contact is equipped with pressure sensor, pressure sensor and displacement sensor are connected with data ...

System and method for treating desulfurized and desorbed gas of blast furnace gas

The invention relates to a system and a method for treating blast furnace gas desulfurization and desorption gas, the system for treating the blast furnace gas desulfurization and desorption gas comprises a plurality of adsorption desulfurization towers, and the interior of each adsorption desulfurization tower is filled with an adsorption material which has adsorption capacity and can be desorbed and regenerated after being heated; a gas inlet of each adsorption desulfurization tower is respectively connected with a blast furnace gas inlet pipe and a desorbed gas outlet pipe, and the blast furnace gas inlet pipe and the desorbed gas outlet pipe are respectively connected with a blast furnace; gas outlets of the adsorption desulfurization towers are respectively connected with a clean gas outlet pipe and a regenerated desorbed gas inlet pipe, the clean gas outlet pipe is connected with a clean blast furnace gas pipe network, and the regenerated desorbed gas inlet pipe is connected with ...

Automatic testing and early-warning device for track plate displacement

The invention discloses an automatic testing and early-warning device for track plate displacement. A formwork is arranged between a track plate and a concrete base. The track plate is provided with a grouting hole and an observation hole. A magnetic gauge stand is fixed to the side face of the formwork, a universal support arm is arranged on the magnetic gauge stand, a displacement detection device is fixed to the end of the universal support arm, a probe of the displacement detection device makes perpendicular contact with the top face and/or the side face of the track plate, and the displacement detection device is connected with a tester host through a connecting wire. The tester host is provided with a recording device, a display device and a printing device, and further provided with an early-warning sound or lamplight prompt device. The automatic testing and early-warning device can automatically detect the floating amount or sinking amount of the track plate during filled layer ...

Concrete mix gassiness volume detection device

The utility model discloses a concrete mix gassiness volume detection device, including the gauge stick, the lower extreme of gauge stick is equipped with temperature sensor and density sensor, temperature sensor and density sensor and electron testing arrangement are connected, electron testing arrangement is inside to be equipped with the data acquisition and processing device, and the outside is equipped with display screen, button and printing interface. Adopting density sensor and temperature sensor to detect concrete mix density, temperature respectively, gathering, calculate and handle sensor signal through electron testing arrangement, convenient operation detects fastly, and automatic display concrete mix gassiness is measured and the temperature, is applicable to fluid or semifluid mixture gassiness volume and temperature test such as self-compaction concrete, common concrete, cement mortar.

A device that is used for brown coal gasification system reducing gas

The utility model provides a device that is used for brown coal gasification system reducing gas. The device is including gasification reformation stove, pyrolysis / partial gasifier, high temperature cyclone and semicoke storage tank, gasification reformation stove is distinguished to divideing into gaseous conversion reaction zone, reforming reaction district and complete gasification reaction down from last, is equipped with the draft tube in pyrolysis / partial gasifier stove, and this draft tube divide into pyrolysis / partial gasification zone and semicoke warehouse with pyrolysis / partial gasifier, pyrolysis / partial gasifier furnace body top is equipped with the nozzle, and the bottom is equipped with the semicoke export, and the furnace body bilateral symmetry is equipped with heat carrier entry, volatile substance export. The utility model also provides a method of brown coal gasification system reducing gas. The reducing gas that obtains through the device and method preparation ...

Novel brown coal gasification system and method

The invention discloses novel brown coal gasification system and method. The system comprises a gasification furnace, a separator, a catalysis reformer and a condenser, wherein the gasification furnace is internally divided into an upper region, a middle region and a lower region from top to bottom; a shrinking hole is formed between the upper region and the middle region, an inner cylinder which is opened at the lower end is formed in the upper region, the space in the inner cylinder is a secondary drying region, the middle region is a gasification region, and a residue storage cabin and a deslagging opening are arranged in the lower region; a gasification furnace nozzle is formed at the top end of the gasification furnace and is connected with a spiral feeder and a dry method sorting device of an air medium; a high-temperature coal gas inlet, a gas outlet and a gasification agent inlet are formed on the side wall; the gas outlet is sequentially connected with the separator, the catalysis ...

Device and method for detecting air content in concrete mixture

The invention discloses a device and a method for detecting air content of a concrete mixture. The device comprises a probe pole, wherein a temperature sensor and the density sensor are arranged at the lower end of the probe pole, and are connected with an electric testing device; a data collecting and processing device is arranged in the electronic testing device; and a display screen, a key and a printing interface are arranged outside the electronic testing device. The density and the temperature of the concrete mixture are respectively detected by virtue of the density sensor and the temperature sensor; sensor signals are collected, calculated and processed through the electronic testing device; the operation is convenient; the detection speed is high; the air content and the temperature of the concrete mixture can be automatically displayed; and the device and the method are suitable for testing the air content and the temperature of liquid or semi-liquid mixture such as self-compacting ...

On-line detection device for warp beam of warp knitting machine

The invention relates to an on-line detection device for a warp beam of a warp knitting machine. The on-line detection device comprises a support part and a detection part. The detection part comprises a rotary shaft, a shaft sleeve, two pressing wheels and a sensor, wherein a support shaft and a pressing shaft are movably connected by a bearing base, and both ends of an elastic element act on the support shaft and the pressing shaft respectively; the rotary shaft and the shaft sleeve are connected by a bearing sleeve, margins are reserved at both ends of the shaft sleeve respectively, the two pressing wheels are fixed on the marginal positions at both ends of the rotary shaft respectively, and the shaft sleeve is movably connected with the circumference of the pressing shaft; and a signal output end of the sensor is connected with an input end of a computer control system of the warp knitting machine. The on-line detection device has the advantages of simple structure, accurate and stable ...

Two-degree-of-freedom parallel adjustment platform mechanism based on four-rod tensegrity structure

The invention discloses a two-degree-of-freedom parallel adjustment platform mechanism based on a four-rod tensegrity structure, which comprises a base, four suspenders and a working platform, and the four suspenders are respectively fixed on the top plane of the base and are uniformly distributed along the circumferential direction; the working platform and the base are coaxial and are distributed in parallel up and down; four linear drivers which are uniformly and obliquely distributed, four first flexible hinges which are uniformly and obliquely distributed and two adjacent piston rods which are vertically arranged are mounted between the working platform and the base; and four second flexible hinges which are uniformly and obliquely distributed are mounted between the four lifting rods and the working platform. The tensioning overall structure is combined with the parallel platform, the characteristics of self-balance and self-stability are achieved, the large span can be achieved, ...

Method for automatically checking foundation coefficient tester

The invention discloses a method for automatically checking a foundation coefficient tester. The automatic check device comprises a counter-force device, a force or pressure sensor and an electronic testing device, wherein the counter-force device is used for connecting a lifting jack; the force or pressure sensor is arranged above or below the lifting jack; the electronic testing device is connected with the force or pressure sensor and is used for acquiring the loading value of each stage of the sensor end, acquiring or setting the loading value of each stage of an oil pressure gauge, setting the area of a bearing plate and outputting a related relation formula between the oil pressure expression value and the standard load intensity of the bearing plate. According to the method disclosed by the invention, the loading value of each stage of the sensor end can be acquired by utilizing the electronic testing device, the loading value of each stage of the oil pressure gauge is acquired or ...

No-shaft underground gasification process

The invention provides a non-well type underground gasification process. The process mainly comprises two phases, namely the construction of an L-shaped gasification furnace, and gasification production. A straight line furnace is formed by holes from No.1 to No.6 which are made through directional drilling, another straight line furnace is formed by holes from No.5 to No.9 which are penetrated through fire power, and the two furnaces form the L-shaped furnace. After the penetration, a hole No.5 is ignited, and gasification passages from No.1 to No.5 are formed as an outlet row in a mode of fire power hole expansion. Gasification passages from No.5 to No.9 are formed as a gasification row in a mode of fire power penetration. When the gasification fails to meet the requirements, additionalholes are increased for expansion. The process can shorten the construction period, protect the holes, and benefits the stability of underground gasification.

Digital jacquard three-dimensional shaping warp knitting machine

The invention relates to a digital jacquard three-dimensional shaping warp knitting machine which comprises a looping device. The looping device comprises an upper swinging arm and a guide bar cradle connected below the upper swinging arm, a ground comb guide bar and a piezoelectric ceramic jacquard guide bar are arranged on the guide bar cradle, the ground comb guide bar on the guide bar cradle is located on the portion at back of the warp knitting machine, the piezoelectric ceramic jacquard guide bar on the guide bar cradle is located on the portion in front of the warp knitting machine, a locating guide bar is further arranged on the guide bar cradle and arranged on the portion, in front of the warp knitting machine, of the guide bar cradle, and the piezoelectric ceramic jacquard guide bar is located between the locating guide bar and the ground comb guide bar. Jacquard cloth knitted by the digital jacquard three-dimensional shaping warp knitting machine is full in pattern loop under ...

Ballastless track slab downward filling layer strength detection device

The invention discloses a ballastless track slab downward filling layer strength detection device which comprises a sensor shell fixed on a sensor base, wherein a pressure sensor is arranged in the sensor shell; a through hole is formed in the middle of the sensor base; a pressure head is arranged at the front end of the pressure sensor and is arranged in the through hole; a pressurization device is arranged at the rear end of the pressure sensor; the pressure sensor is connected with a displacement sensor; the pressure sensor and the displacement sensor are electrically connected with a tester host; the sensor base is used for being fixed on the side surface of a ballastless track slab downward filling template; and the pressure head is contacted with the ballastless track slab downward filling layer. The device is light in instrument, convenient to use, easy to operate, high in detection speed, and accurate and objective in data, the detection result can be automatically printed and stored ...

Inclined shaft lane skip device of holding up traffic

The utility model provides an inclined shaft lane skip device of holding up traffic, it includes: skip (1), its characterized in that: set up one bracing piece (2), the one end of bracing piece is articulated with skip (1), and the other end forms the cooperation with inclined shaft ground, is equipped with one shank (3) on the skip, and the crotch (3a) on the shank becomes the overlap joint cooperation with the pole figure of bracing piece. The utility model discloses simple structure, convenient to use can directly reequip on the fill case of current inclined shaft skip, and it is simple still to have the repacking process when reequiping moreover, advantages such as repacking cheap cost.

Two-needle bar electronic Jacquard warp knitting machine

A double needle bar electronic jacquard warp-knitting machine comprises a looping device, a guide bar assembly and a transmission device. The guide bar assembly is provided with at least a piezoelectric ceramic jacquard guide bar; the front needle bar transmission mechanism and the rear needle bar transmission mechanism, the front deposition transmission mechanism and the rear deposition transmission mechanism, the guide chase comb upper pendulum transmission mechanism and the guide chase comb lower pendulum transmission mechanism in the transmission device are all eccentric wheel linkage transmission mechanism. Due to the adoption of the piezoelectric ceramic jacquard guide bar needle, the warp-knitting machine provided by the present invention can weave more complicated patterns, conveniently change patterns and simplify the structure. All transmission structures of the present invention adopt the eccentric linkage mechanism. Compared with the original cam linkage mechanism, the eccentric ...

Cleaning and detecting device for sensor and operation method of cleaning and detecting device

The invention discloses a cleaning and detecting device for a sensor and an operation method of the cleaning and detecting device, and belongs to the technical field of sensor detection. The index plate assembly is divided into a feeding station, a code reading station, a part position detection station, a carbon dioxide cleaning station, an electrical function test station, an auxiliary transfer station and a plurality of idle stations. The device comprises a workbench, a code reading assembly, a component position confirming assembly, a carbon dioxide cleaning assembly, an electrical function testing assembly, an auxiliary transferring assembly, a mechanical arm, a qualified product placing position and an unqualified product placing position, and the qualified product placing position and the unqualified product placing position are both installed on the workbench. According to the device, whole-process automation of a series of operations such as code reading of the sensor, position ...

Dryer sprays line

Dryer sprays line, its characterized in that: it includes horizontal direction both ends fixed support iron wire (1), supports iron wire (1) and is connected with shower (2), and the one end of hanging iron wire (3) hangs on supporting iron wire (1), and the other end of hanging iron wire (3) is connected with dryer (4), and shower (2) are gone up evenly distributed and are equipped with a set of shower nozzle, and the spout of shower nozzle (5) is just to dryer (4) upper portion. The utility model discloses a have that the installation is quick, convenience, simple structure, with low costs, erode the advantage that dust removal effect is good. The gate valve is regularly opened to the installation back, and alright realization dryer removes dust, does not need arrangement every day personnel to erode the dryer, arouses the raise dust when avoiding the change and repairing the dryer, improvement tunnel civilization environment.

Piezoelectric jacquard needle device for warp knitting machine

The invention provides a piezoelectric jacquard needle device for a warp knitting machine, comprising a guide bar, a supporting block and a piezoelectric jacquard needle, wherein a protruding limit platform is arranged at the upper part of the front of the guide bar; the upper part of the back of the supporting block is attached under the limit platform of the guide bar; a gland seat is arranged at the upper part of the supporting block; a groove is arranged on the top of the gland seat opposite to the supporting block, and the groove is internally provided with a locking block which has two threaded holes; the top surface of the gland seat is provided with two stepped through holes leading to the groove; springs are respectively arranged in a big hole at the lower part of each stepped through hole; two bolts are respectively inserted into the two stepped through holes of the gland seat and pass through the springs to be in threaded connection with the locking block; and the lower ends ...

Construction method of graded broken stone and cement composite packing layer

The invention discloses a construction method of a graded broken stone and cement composite packing layer. The construction method includes watering to cover and maintain after filling and grinding of graded broken stone and cement filler meet the compacting standard; detecting the setting and hardening degree of the packing layer after a day, detecting dynamic deformation modulus Evd, the foundation coefficient K30 and/or secondary deformation modulus Ev2 indicators of the packing layer by a test instrument, grinding in a vibration manner by a road roller adopting filling and grinding if the indicators are up to the set values, so that the packing layer can generate map cracks so as to eliminate partial shrinkage stress generated by drying shrinkage and temperature shrinkage of the graded broken stone with the cement, and serious shrinkage cracks are avoided; stopping grinding if the indicators reach 55-65% of the preset value before vibratory grinding; watering again to cover and maintain ...

No-shaft underground gasification process

The invention provides a non-well type underground gasification process. The process mainly comprises two phases, namely the construction of an L-shaped gasification furnace, and gasification production. A straight line furnace is formed by holes from No.1 to No.6 which are made through directional drilling, another straight line furnace is formed by holes from No.5 to No.9 which are penetrated through fire power, and the two furnaces form the L-shaped furnace. After the penetration, a hole No.5 is ignited, and gasification passages from No.1 to No.5 are formed as an outlet row in a mode of fire power hole expansion. Gasification passages from No.5 to No.9 are formed as a gasification row in a mode of fire power penetration. When the gasification fails to meet the requirements, additional holes are increased for expansion. The process can shorten the construction period, protect the holes, and benefits the stability of underground gasification.

Full closed-loop electronic letting-off device

The invention relates to an electronic control system, in particular to a full closed-loop electronic control system applied to a letting-off system of a warp knitting machine. The full closed-loop electronic control system comprises a main shaft signal generator, a computer control system, a servo controller, a servo motor and an on-line detection device; the signal end of the main shaft signal generator is connected with the corresponding input end of the computer control system, and the input/output end of the computer control system is connected with the servo controller; the servo motor is connected with a warp beam through a transmission mechanism; and the on-line detection device comprises a support part and a detection part, wherein the detection part of the on-line detection device is acted on the surface of a pan head yarn, and the detection signal output end of the on-line detection device is connected with the corresponding input end of the computer. The full closed-loop electronic ...

Escalator fast overhauling device

The invention relates to an escalator fast overhauling device, which comprises a peripheral apron plate and a back side plate parallel to the peripheral apron plate, wherein the peripheral apron plate is provided with an installing hole, a protection plate is fixedly connected with the installing hole part, the back side of the protection plate is provided with an installing protection box, the installing protection box comprises a protection box body, a fault display plate is fixedly connected with the inside of the protection box body by a screw bolt assembly, the protection plate is transparent organic glass and is of a T-shaped structure, and the front side of the protection box body is provided with a rectangular installing hole. The escalator fast overhauling device has the beneficial effects that the escalator fast overhauling device is provided, and the escalator fault position can be fast detected without entering the inside of an elevator through the fault display plate arranged ...

Single-yarn control device of computer type Jacquard warp-knitting machine

The invention relates to a single-yarn control device of a computer type Jacquard warp knitting machine, which comprises an upper yarn guide rod, a weight transmitter, an adjuster and a sliding seat, wherein the sliding seat can move on the upper yarn guide rod; a locking screw is arranged between the sliding seat and the upper yarn guide rod; a sensor of the weight transmitter is fixed on the sliding seat; a sensing roller is fixed on the sensor; the adjuster is provided with a servo motor and a roller bracket which are arranged on the sliding seat, a driving rubber roller connected to the roller bracket, and a floating rubber roller pressed on the driving rubber roller; the driving rubber roller is driven by the servo motor to rotate; and the sliding seat is also provided with a front yarn guide roller and a back yarn guide roller. The device better solves the problem that the connection of the front and the back sheets of a seamless forming product has seams because of the over loose ...

Warp loom guide bar assembly

Yarn tension control device of warp knitting machine

The invention provides a yarn tension control device of a warp knitting machine, comprising a yarn guide rod supported by a frame, a tension rod, a yarn guide cap, and a control component corresponding to each guide bar, wherein the control component comprises a tension spring, a limit switch, a comb chain wheel and a restoring spring; the comb chain wheel is fixed on the tension rod and is connected with the lower end of the restoring spring through a chain; the upper end of the restoring spring is fixed on the frame; the middle part of the tension spring is connected with the tension rod; and two ends of the tension spring are connected on the yarn guide cap. The yarn tension control device of the warp knitting machine is characterized in that the tension rod is provided with a limit cam wheel; the lower part of the limit cam wheel is provided with a notch, and the switch shifting rod end of the limit switch extends into the notch of the limit cam wheel. When the device is used, if the ...

Concrete road surface water collect structures permeates water

Concrete road surface water collect structures permeates water, this water collect structures have been laid by lower supreme order on the road surface: bottom load layer, filter layer, upper portion load layer, the concrete topping permeates water, bottom load layer is natural tamp ground, and the filter layer is geotechnological cloth, can filter permeating water, is provided with the recess on the middle part of this filter layer for lay the semipermeability pipeline that catchments, the semipermeability is catchmented the peak of pipeline and is less than the highest level face on bottom load layer. This concrete road surface water collect structures permeates water, can improve the ecological balance between city and the natural environment at simple structure, including alleviateing heat island effect, reducing urban waterlogging, can also collect the rainwater betterly, and the recycle who improves the water resource is rateed, alleviates city water shortage.

Two-needle bar electronic Jacquard warp knitting machine

A double needle bar electronic jacquard warp-knitting machine comprises a looping device, a guide bar assembly and a transmission device. The guide bar assembly is provided with at least a piezoelectric ceramic jacquard guide bar; the front needle bar transmission mechanism and the rear needle bar transmission mechanism, the front deposition transmission mechanism and the rear deposition transmission mechanism, the guide chase comb upper pendulum transmission mechanism and the guide chase comb lower pendulum transmission mechanism in the transmission device are all eccentric wheel linkage transmission mechanism. Due to the adoption of the piezoelectric ceramic jacquard guide bar needle, the warp-knitting machine provided by the present invention can weave more complicated patterns, conveniently change patterns and simplify the structure. All transmission structures of the present invention adopt the eccentric linkage mechanism. Compared with the original cam linkage mechanism, the eccentric ...

Staircase handrail area revolving structure

The utility model discloses a staircase handrail area revolving structure installs on staircase tap support be provided with gliding handrail area above that on the tap support, revolving structure includes tip gyration chain and the fastener who comprises a plurality of gyro wheels and stationary side plate, tip gyration chain is located between leading support and the handrail area and imbeds at leading handrail area support, a fastener end fixing is on leading support and the both ends fastening connection of the other end and tip gyration chain. This kind of staircase handrail area revolving structure, some sliding friction before the handrail area replaces with rolling friction during in the tip gyration, therefore reduced frictional resistance reduce the wearing and tearing in handrail area, have prolonged the life in handrail area, overall structure preparation simple process moreover, simple to operate, therefore manufacturing and running cost are low, are fit for popularization ...

Yarn tension control device of warp knitting machine

The invention provides a yarn tension control device of a warp knitting machine, comprising a yarn guide rod supported by a frame, a tension rod, a yarn guide cap, and a control component corresponding to each guide bar, wherein the control component comprises a tension spring, a limit switch, a comb chain wheel and a restoring spring; the comb chain wheel is fixed on the tension rod and is connected with the lower end of the restoring spring through a chain; the upper end of the restoring spring is fixed on the frame; the middle part of the tension spring is connected with the tension rod; and two ends of the tension spring are connected on the yarn guide cap. The yarn tension control device of the warp knitting machine is characterized in that the tension rod is provided with a limit cam wheel; the lower part of the limit cam wheel is provided with a notch, and the switch shifting rod end of the limit switch extends into the notch of the limit cam wheel. When the device is used, if the ...

Piezoelectric Jacquard comb control-driven system

Escalator step chain protection device

The utility model discloses an escalator step chain protection device is located escalator step chain upper portion, fixed mounting on escalator truss, step chain protection device still includes safety cover, angular form connecting piece, bolt -up spare and fixes the guide rail backup pad on escalator truss, be connected fixedly between protection casing and the guide rail backup pad through the angular form connecting piece, through bolt -up spare fixed connection between protection casing and the angular form connecting piece. This kind of escalator step chain protection device, protection casing install the top of returning rail step chain at the main wheel, and connect protection casing and guide rail backup pad with angular form spare, and overall structure is simple, and simple to operate because the protection casing has blockked debris such as the dust that drops from the staircase top, profit effectively, reduces the upward degree of wear of gyro wheel of step chain, and the ...

Sensitizer constructed by neutrophil asthma animal model, construction method and application

The invention relates to the field of biomedical treatment, in particular to a sensitizer constructed by a neutrophil asthma animal model, a construction method and application. According to the invention, haemophilus influenzae outer membrane vesicles and ovalbumin are used as sensitizers to construct a neutrophile granulocyte asthma animal model, and test results show that compared with treatment by singly using ovalbumin as a sensitizer, the neutrophile granulocyte level in mouse blood and alveolar lavage fluid is obviously improved. The constructed mouse neutrophil asthma model can be used for research of a clinical neutrophil asthma occurrence mechanism and development of neutrophil asthma drugs.

Binchotan fibre

The invention discloses binchotan fiber, which mainly comprises polyester and binchotan powder, wherein the content of binchotan powder accounts for 1%-2% by weight, the grain diameter of binchotan powder is 200-800 orders, iodine absorbance of binchotan fiber is 100-140 mg/g, volumetric ratio electric resistance of binchotan fiber is 3.0*107-7.0*107, and elongation percentage of single fiber of binchotan fiber is 15-20%. The adsorption capacity of binchotan fiber of the invention is higher than bamboo charcoal fiber which is prepared by choosing other bamboo charcoal, the volume of binchotan fiber is smaller than electric resistance, binchotan fiber has good electric conductivity, static electricity is not easy to accumulate in the manufacturing process, and phenomenon of static electricity is not distinctive.

Underground forced oxidation and ignition technology for coal

The invention relates to a coal underground forced oxidation ignition technology. The invention makes use of the spontaneous combustion characteristic of coal and carries out man-made forced oxidation to ignite a coalbed and realize the ignition of underground gasification. The technology comprises a drainage process, a heating process and an ignition process. The drainage process adopts a pressure drainage method. After a few times of drainage operation, an air heating device is started; the heating system mainly comprises the heating device, a gas inlet pipe and a gas outlet pipe; and then oxygen is led in to strengthen the combustion of the coalbed. A forced oxidation ignition process comprises the hot air forced oxidation and the oxygen forced oxidation. When the caloric power of the coal gas reaches 4.0MJ/Nm3, the forced oxidation ignition is regarded as a success, and a subsequent gasification process is started. The technology can avoid borehole blockage when the ignition is failed ...

Lift step chain protection device

The invention discloses a lift step chain protection device which is located on the upper portion of a lift step chain and is fixedly installed on a lift truss. The lift step chain protection device comprises a protection cover, an angular connecting piece, a bolt fastening piece and a guide rail support plate which is fixed to the lift truss; the protection cover is fixedly connected with the guide rail support plate through the angular connecting piece, and the protection cover is fixedly connected with the angular connecting piece through the bolt fastening piece. According to the lift step chain protection device, the protection cover is installed above a main wheel rail returning step chain, the angular connecting piece is used for being connected with the protection cover and the guide rail support plate, the whole structure is simple, the installation is convenient, due to the fact that sundries such as dust and oil-water which falls from a lift are effectively blocked by the protection ...

Roadbed filling quality detector

The invention discloses a roadbed filling quality detector. The roadbed filling quality detector comprises a loading device, a load carrying block, a test drum and an electronic testing device, wherein the loading device comprises a hook device, a connecting rod and a drop hammer; the connecting rod comprises a guide rod, a carrying device and a penetrating rod, the upper part of the guide rod is connected with the hook device, the drop hammer is arranged on the guide rod between the hook device and the carrying device; a spring is arranged inside the lower end of the drop hammer; a force sensor is arranged inside the carrying device; the cross section of the penetrating rod is circular, and a vibration measurement sensor is arranged at the top of the penetrating rod; the test drum comprises a base and at least one cylinder, and a filler is arranged in the cylinder; the load carrying block is of a hollow cylindrical type and is arranged above the filler inside the cylinder, and the penetrating ...

Jacquard needle block capable of implementing replacement of single jacquard needle

Braid guide plate and safety belt

The invention provides a braid guide plate installed on a safety belt retractor, and a safety belt with the braid guide plate. A car body ornament is arranged in front of a braid outlet of the safety belt retractor, the braid guide plate is installed between the braid outlet of the safety belt retractor and the car body ornament, a braid penetrates through a spring bolt so that the spring bolt can slide along the braid and can be inserted into a lock catch on a car body, a U-shaped frame of the safety belt retractor is composed of two frame supporting legs and a frame top wall, the braid guide plate is divided into a fixed portion and an outlet portion, the fixed portion and the outlet portion are integrally formed and are communicated with each other, the fixed portion is fixedly clamped and connected to the frame top wall, the outlet width of the outlet portion is slightly larger than the thickness of the braid, the outlet length of the outlet portion is larger than the width of the braid ...

Jacquard needle block for warp knitting machine

The invention discloses a jacquard needle block for a warp knitting machine, which comprises a supporting seat which is formed by detachably connecting a baseplate, a needle inserting block and a limit block, wherein the needle inserting block is a plastic piece; the front side face of the needle inserting block is provided with a U-shaped groove in the left and right direction; the fronts of the upper and lower surfaces of a needle inserting block are provided with an arc upper positioning protrusion and an arc lower positioning protrusion; a part of the needle inserting groove into which a jacquard needle is inserted is provided with a positioning sleeve which is a plastic piece; the left and right side faces of the positioning sleeve are provided with an upper positioning edge and a lower positioning edge; and jacquard needles are positioned on the rear sides of the upper and lower positioning protrusions of a side needle inserting block through the upper and lower positioning edges ...

Fill layer under board -like ballastless track board and fill sufficient full automatic checkout device

The utility model discloses a fill layer under board -like ballastless track board and fill sufficient full automatic checkout device is equipped with the template between guidance tape in orbit and the concrete base, is equipped with the grout hole on the track board and observes the hole, and the inboard of template is equipped with many flat -die pressure sensor, and flat -die pressure sensor passes through connecting wire and is connected with electron testing arrangement. Electron testing arrangement is equipped with recorder, display device and printing device, still is equipped with early warning sound or light suggestion device. Simple to operate, easy operation, can be objectively accurate automated inspection and calculate the test result, accurately judge sufficient state are applicable to and fill the layer under the board -like ballastless track board of high -speed railway and fill sufficient state automated inspection.

Sleeper longitudinal-transverse resistance dynamic detector and detecting method

The invention discloses a sleeper longitudinal-transverse resistance dynamic detector and detecting method. The detector comprises a loading device, a sleeper longitudinal-transverse bearing device and an electronic testing device. The end of the loading device is provided with an impact head. An impact hammer and a spring augmenter are disposed inside the impact head. The electronic testing device comprises a force sensor and an acceleration or displacement sensor, wherein the force sensor and the acceleration or displacement sensor are respectively connected with a tester mainframe. The acceleration or displacement sensor is disposed on the upper portion of the sleeper longitudinal-transverse bearing device. The force sensor is disposed on the side of the sleeper longitudinal-transverse bearing device. The detector capable of dynamically detecting sleeper longitudinal and transverse resistance is light, convenient to use, simple to operate, simple to mount, accurate and objective in data ...

Tunnel caisson type lining structure and construction method

According to the tunnel caisson type lining structure and the construction method, after tunnel excavation is completed, the surface of surrounding rock is covered with sprayed concrete to form a primary support, and after a waterproof layer is laid on the surface of the primary support, a secondary lining is built; the secondary lining comprises a concrete layer formed by integral pouring, a plurality of longitudinal stiffening ribs and a plurality of longitudinal and transverse stiffening ribs, the plurality of longitudinal and transverse stiffening ribs are annular and are uniformly distributed along the axial direction of the tunnel, the plurality of longitudinal stiffening ribs are respectively connected with the plurality of longitudinal and transverse stiffening ribs in sequence, and the plurality of longitudinal stiffening ribs are uniformly distributed along the circumferential direction of the tunnel. According to the high-ground-temperature tunnel supporting structure, a secondary ...

Dynamic bearing ratio detecting method and instrument

The invention discloses a dynamic bearing ratio detecting method and a dynamic bearing ratio detecting instrument. The dynamic bearing ratio detecting instrument comprises a loading device, a bearing device, a test device, a load block, a bearing ratio barrel and the like, wherein the loading device comprises a guide steel sleeve, a damping device and a guide rod which are connected in turn from the bottom to the top, and the guide rod is sleeved with a drop hammer; the bearing device comprises a bearing steel hood of which the lower part is connected with an insertion rod; the test device comprises a vibration test sensor and an electronic tester which is arranged in the bearing steel hood. Detection is performed as follows: firstly, the drop hammer of the loading device drops freely from a certain altitude to impact the bearing device and the insertion rod of the bearing device inserts into soil body, and then the correspondence between the insertion depth and the bearing ratio is obtained ...

Jacquard needle block capable of implementing replacement of single jacquard needle

The invention discloses a jacquard needle block capable of implementing the replacement of a single jacquard needle, comprising a supporting seat and a jacquard needle, wherein the upper part of the supporting seat is provided with needle embedding grooves; the upper part of the jacquard needle is wrapped with a metallic sheath; a plug is fixed at the rear end of the jacquard needle; the metallicsheath of the jacquard needle is provided with a front positioning plate and a rear positioning plate; the plug is also provided with a front positioning plate and a rear positioning plate; the upperpart of the supporting seat is provided with a front cover seat; the inner side of the front cover seat is provided with positioning grooves which are in one-one correspondence with the needle embedding grooves on the supporting seat; the jacquard needle is embedded into the corresponding needle embedding groove of the supporting seat through the rear positioning plate on the metallic sheath and the ...

Manual elevating gear of monitor sensor

The utility model provides a manual elevating gear of monitor sensor, it includes set up a set of pulley (1) on roadway wall, wears to be equipped with haulage rope (2) on pulley (1), the one end of haulage rope is connected with monitor sensor (3), the other end with fix that manual reel (4) link to each other on roadway wall, its characterized in that: the roadway wall in the outside of the capstan winch (4a) on manual reel (4) is equipped with a set of jack (5), be equipped with in the jack with manual reel (4) on rocking arm (4b) form complex spacer pin (5a). The utility model discloses simple structure, manufacturing costs are cheap, convenient operation, effectual, the part durable of device locking, and are particularly suitable for if use among the rugged environment such as this kind of not enough light, environment humidity in the pit.

Detection device of automobile sensor and operation method thereof

The invention discloses an automobile sensor detection device and an operation method thereof, and the device comprises a workbench, a feeding device, a transmission device, a progressive device and a transition device which are sequentially installed on the workbench, a transverse detection device located under the progressive device, and a rotation detection device installed in the middle of the workbench. The rotary detection device is provided with a placing station, a guide column detection station, a first idle station, a burr detection station, a marking detection station, a sensing surface foreign matter detection station, a taking-out station and a second idle station, a transition device is arranged on one side of the taking-out station, and the NG judgment device and the mechanical arm are both installed on the workbench. And the manipulator takes out the qualified workpiece subjected to qualification judgment in the NG judgment device to a recovery side. According to the device ...

Novel lignite gasification reactor and system

The invention discloses a novel lignite gasification reactor and system. The system comprises a feeding unit, a novel lignite gasification reactor and a synthesis gas catalytic reforming unit, wherein the gasification reactor comprises a furnace body in a double-layer structure; a cavity defined by the inner layer is a gasification furnace hearth; a plurality of heaters are arranged on the outer surface of the inner layer; each heater is provided with an independent temperature control device; the bottom of the inner layer is open; passageways are formed between the inner layer and the outer layer; gas outlets are formed in the upper part of the outer layer and are communicated with the upper parts of the passageways; coal gas temperature thermocouples are arranged in the passageways; a slag storage bin and a slag outlet are formed in the bottom of the outer layer; gasifying agent inlets are formed in the lower side walls of the outer layer; gasifying agents include oxygen and water vapor ...

Staircase forward position board overhauls anti -theft device

The utility model discloses a staircase forward position board overhauls anti -theft device, be fixed in on the staircase truss including forward position board and installation, it still includes balancing pole, safety switch and fixed plate to overhaul the anti -theft device, balancing pole left end portion upwards bends and extends to a vertical pole, fixed plate fixed connection on the staircase truss the balancing pole keeps left and all is equipped with a through -hole on tip position and the fixed plate, through through -hole swing joint, when the forward position board is closed on balancing pole and the fixed plate vertical pole upper end contacts just with forward position board diapire safety switch is located the balancing pole and leans on through -hole right side diapire under. This kind of staircase forward position board overhauls anti -theft device, overall structure is simple, and simple to operate can not crush safety switch by pressure, long service life, effectual realization ...

Acupuncture ware

The utility model provides an acupuncture ware, its characterized in that includes acupunture needle and needle file, the through -hole that link up is seted up at the center of needle file, the acupunture needle sets up in the through -hole, the acupuncture ware of novel structure, acupunture needle utilize electrical energy conversion for heat energy, have the combined action of acupuncture, temperature needle, fire needle. Behind arrival current, but warmth sensation inleakage organism deep and can conduct the diffusion, along with the electric current increase, the temperature increases, is same as fiery needle, and the constancy of temperature is adjustable, can introduce the organism deep with the heat radiation, during the installation, only need press down the needle handle can, what the needle body can be firm fixes in the needle file to firmly supporting on patient's skin, when getting the needle, only need holding between the fingers the shell fragment, the dog can pop out, and ...

Automatic self-compacting concrete expanding time testing device

The invention discloses an automatic self-compacting concrete expanding time testing device. The automatic self-compacting concrete expanding time testing device comprises a concrete slump cylinder comprising a round-table-type steel cylinder; the round-table-type steel cylinder is arranged on the middle part of a base plate; the center of the base plate is provided with a metal circle center; the base plate is provided with a plurality of concentric metal circular rings marked with different diameters around the metal circle center; the upper part of the round-table-type steel cylinder is provided with a handle, and the lower part of the round-table-type steel cylinder is provided with a pedal plate; the pedal plate is internally provided with a limit switch; the limit switch and the metal circular rings are respectively connected with an electronic testing device by leads. The automatic self-compacting concrete expanding time testing device can automatically test the time for the self-compacting ...

Gas -based shaft -furnace is crude gas's preparation system still

The utility model provides a gas -based shaft -furnace is crude gas's preparation system still, it includes gas -based shaft -furnace furnace roof gas scrubber, furnace roof qi exhaustion carbon device, coke oven gas purifier, coke oven gas desulphurization equipment, reborner, heat reclamation device, synthetic gas dust collector, synthetic gas desulfuration and decarbonization device and blender. The utility model discloses unite coke oven gas and gasifier synthetic gas, the hot properties of effectual gas composition and synthetic gas among the make full use of coke oven gas, production directly reduced iron be with crude gas still, have gas composition in a flexible way adjustable, the thermal efficiency is high, with low costs, advantage such as product gas quality is good.

Six simple and easy atomizer of box -shaped

Six simple and easy atomizer of box -shaped, its characterized in that: including horizontally fixing base (1), fixing base (1) is connected with anterior segment connecting leg (2), and the one end of anterior connecting rod (2) is connected with joint (3), connects (3) other end and connects rear portion connecting leg (4), and the other end of rear portion connecting rod (4) is connected with cylindric voltage -sharing box (5), is equipped with a set of shower nozzle (6) and one of them nozzle (6) on the cylindric voltage -sharing box (5) and sets up in the positive centre of a circle position of cylindric voltage -sharing box. The utility model has the advantages of small, materials are economized, are carried the installation and move the convenience, and atomization effect is good, spout and press balancedly, can effectively cover full section. Overcome current mine remove dust in the pit the atomizer consume the water source, bulky, carry that the installation is inconvenient, dust ...

Method and instrument for controlling multiple metallic element analysis

Jacquard needle block for warp knitting machine

The invention discloses a jacquard needle block for a warp knitting machine, which comprises a supporting seat which is formed by detachably connecting a baseplate, a needle inserting block and a limit block, wherein the needle inserting block is a plastic piece; the front side face of the needle inserting block is provided with a U-shaped groove in the left and right direction; the fronts of theupper and lower surfaces of a needle inserting block are provided with an arc upper positioning protrusion and an arc lower positioning protrusion; a part of the needle inserting groove into which a jacquard needle is inserted is provided with a positioning sleeve which is a plastic piece; the left and right side faces of the positioning sleeve are provided with an upper positioning edge and a lower positioning edge; and jacquard needles are positioned on the rear sides of the upper and lower positioning protrusions of a side needle inserting block through the upper and lower positioning edges on ...

Efficient cyclone separator

本实用新型涉及旋风分离器技术领域，具体为一种高效的旋风分离器，包括有进气管、出气管、圆形筒体、圆形锥体、灰斗，所述进气管切向设置在圆形筒体的上端，进气管内设置有导流组件，所述导流组件包括有支架、内杆以及设置在支架与内杆之间的若干个导流扇叶，所述圆形筒体、圆形锥体及灰斗自上而下依次设置，灰斗的上端有可自转的落料组件；本实用新型的旋风分离器结构简单，造价成本低；其次，导流组件包括有支架、内杆以及若干个导流扇叶，烟气经过导流扇叶产生涡流，增加进入圆形筒体内的气流强度，提升离心作用的效率，进而提高分离效率，降低能耗。

Display driver and control method, display control circuit system, and electronic device

This application provides an electronic device, to reduce a probability that a screen stalling phenomenon. A timing control unit sends one first pulse of a tearing effect signal every a first preset time T1. The timing control unit sends S second pulses of the tearing effect signal when a transceiver unit does not receive an Nth frame of display data within a preset time. The processing unit receives the Nth frame of display data in the (N+1)th frame, and controls, based on the Nth frame of display data, the display to display an Nth frame of image.

Display method and electronic device

Embodiments of this application provide a display method and an electronic device. The electronic device includes an application processor AP, a display driver chip, and a display panel. The display panel is configured to display a first image. The AP is configured to send first indication information and a first parameter to the display driver chip. The display driver chip is configured to: control, based on the received first indication information, brightness of a fingerprint recognition area in the first image to be first brightness, and control brightness of a mask area in the first image to be second brightness. The brightness of the mask area is controlled based on the first parameter, and the mask area is an area in the first image except the fingerprint recognition area. The display panel is configured to display an updated first image. Brightness of the fingerprint recognition area in the updated first image is the first brightness, and brightness of the mask area is the second brightness. In this application, display effect that is of the mask area and that is generated during optical fingerprint recognition can be improved, and a public opinion from a user can be avoided.

Rare earth oxide standard sample and preparation method thereof

The invention relates to the technical field of standard sample preparation, in particular to a rare earth oxide standard sample and a preparation method thereof. The rare earth oxide standard sample comprises a uniform mixture of rare earth oxide and sodium chloride, the rare earth oxides in the rare earth oxide standard sample are 28-42% in percentage by mass, and the rare earth oxides comprise lanthanum oxide, cerium oxide, praseodymium oxide and neodymium oxide; the content of the lanthanum oxide is 0.1%-15%, the content of the cerium oxide is 0.2%-28%, the content of the praseodymium oxide is 0.1%-8%, and the content of the neodymium oxide is 0.5%-32%. Sodium chloride is used as a diluent, so that the total concentration of rare earth can be effectively reduced, the content range of a standard value is accurately controlled, the standard value of a standard sample is consistent with the total content of rare earth of an actual product (rare earth carbonate and rare earth chloride), and the product quality is further accurately controlled; and the standard sample has relatively high uniformity and stability.

Method for simultaneous and rapid determination of chlorine, bromine and iodine by pyrohydrolysis combined with icp-ms

The present invention belongs to the technical field of Cl, Br and I detection, and particularly relates to a method for simultaneous and rapid determination of chlorine, bromine and iodine by pyrohydrolysis combined with ICP-MS, comprising: (1) placing a substance to be determined in a sample container, laying asbestos on the surface of the substance to be determined and then conducting pyrohydrolysis treatment: firstly, optionally, preheating for 3-10 min at 500-600℃, heating for 3-10 min at 700-800℃, and then burning for 10-30 min at 1000-1100℃; (2) obtaining the standard curves of the corresponding concentration value and the net strength value of each element; and (3) testing the net strength of the liquid in step (1) using ICP-MS combined with an online internal standard method, and combining with the standard curves to obtain the contents of chlorine, bromine and iodine in the substance to be determined.

Zonal compensation method and electronic device

Embodiments of this application provide a partition compensation method and an electronic device. The electronic device includes an application processor AP and a display, where the display includes a display driver chip DDIC and a display panel. The AP is configured to send a first image and first compensation data to the DDIC. The DDIC is configured to map a first gray level of the first image to a second gray level, where the second gray level is less than the first gray level. The DDIC is configured to adjust brightness of a second image in a first display area of the first image based on the first compensation data and the second gray level. The display panel is configured to display, in the first display area, a second image of which brightness is adjusted. In this application, compensation can be separately performed on different display areas, an aging compensation effect is better, for example, problems such as uneven light emitting, low use efficiency, and high power consumption are reduced, and uneven aging of the display is effectively alleviated.

一种锅炉供热用的蒸汽分汽缸

本实用新型公开一种锅炉供热用的蒸汽分汽缸，包括筒体以及设置在所述筒体两端的封头，所述筒体上设置有排污口，其特征在于：所述筒体底部的壁厚由所述筒体两端分别向所述排污口逐渐减薄，从而形成导水槽，所述封头上且靠近所述导水槽的位置设置有喷气管，所述喷气管的出气口设置在封头与筒体的连接处的一侧，且所述出气口朝向该连接处。本实用新型的筒体内设置有导水槽，封头上设置有用于连接外部气泵的喷气管，可以利用气泵的动力和冷却水的重力作用将筒体内的冷却水引导到排污口，减少筒体内部的积水，有利于降低冷却水对筒体的损伤，提高产品的使用寿命。

Estrutura de conexão longitudinal de uma estrutura de trilho sem lastro do tipo placa de dormente ou do tipo placa de trilho montada,estrutura de conexão longitudinal da estrutura de trilho sem lastro do tipo placa de dormente ou do tipo placa de trilho montada, estrutura de trilho sem lastro do tipo placa de dormente ou do tipo placa de trilho montada e método de montagem para uma estrutura de trilho sem lastro do tipo placa de dormente ou do tipo placa de trilho montada

ESTRUTURA DE CONEXÃO LONGITUDINAL DE UMA ESTRUTURA DE TRILHO SEM LASTRO DO TIPO PLACA DE DORMENTE OU DO TIPO PLACA DE TRILHO MONTADA, ESTRUTURA DE CONEXÃO LONGITUDINAL DA ESTRUTURA DE TRILHO SEM LASTRO DO TIPO PLACA DE DORMENTE OU DO TIPO PLACA DE TRILHO MONTADA, ESTRUTURA DE TRILHO SEM LASTRO DO TIPO PLACA DE DORMENTE OU DO TIPO PLACA DE TRILHO MONTADA E MÉTODO DE MONTAGEM PARA UMA ESTRUTURA DE TRILHO SEM LASTRO DO TIPO PLACA DE DORMENTE OU DO TIPO PLACA DE TRILHO MONTADA. As realizações da presente invenção revelam uma estrutura de conexão longitudinal de uma estrutura de trilho sem lastro do tipo placa de dormente ou do tipo placa de trilho montada, uma estrutura de trilho sem lastro incluindo a estrutura de conexão longitudinal e um método de montagem para a estrutura de trilho sem lastro. As barras de aço longitudinais pré-incorporadas são conectadas longitudinalmente através de uma bucha de extrusão. As extremidades de acoplamento das duas barras de aço longitudinais são inseridas, respectivamente, em duas extremidades da bucha de extrusão, e a bucha de extrusão é deformada e realiza uma ação de travamento sob extrusão de uma extrusora portátil. As realizações da presente invenção podem (...).

Display method and electronic device

Display method and electronic device

Embodiments of this application provide a display method and an electronic device. The electronic device includes an application processor, a display driver chip, and a display panel. The display panel is configured to display a first image. The application processor is configured to send first indication information and a first parameter to the display driver chip. The display driver chip is configured to: control, based on the received first indication information, brightness of a fingerprint recognition area in the first image to be first brightness, and control brightness of a mask area in the first image to be second brightness. The brightness of the mask area is controlled based on the first parameter, and the mask area is an area in the first image except the fingerprint recognition area. The display panel is configured to display an updated first image.