45results about How to "Avoid pulling force" patented technology

The invention provides an environment control unit for a scanning electrochemical probe microscope, which comprises a sealing pool, a cavity is arranged in the sealing pool, the sealing pool is provided with an air inlet, an air outlet, a probe access port and a transparent observation window, the sealing pool is internally provided with a sample table, and the sample table is provided with an air inlet, an air outlet, a probe access port and a transparent observation window. And the probe extends into the cavity through the probe access port and then is close to the surface of the sample. The micro-nano probe is used in the scanning electrochemical probe microscope technology, specific atmosphere is introduced around the micro-nano probe (the diameter of the top end is dozens of nanometers to dozens of microns), specific humidity is kept, interference of air on reaction is avoided, or gaseous reactants are provided for the reaction, and proceeding of the reaction is promoted.

The invention discloses an outdoor product pipe framework welding device, and relates to the technical field of pipe welding. By means of the meshing effect between the two driving gears, the two pipes needing to be welded oppositely rotate by the same angle, so that the two pipes are aligned to the clamped framework body, it is guaranteed that the welded pipes are in a symmetrical state, and compared with the mode that a worker holds the pipes with one hand and uses a welding gun with the other hand for welding in the prior art, the welding efficiency is greatly improved. The device controls the relative rotation angle of the two pipes, so that the two pipes rotate oppositely according to the set angle, the welded pipes are symmetrical, and the situation that the traditional welding technology depends on hand-held angle adjustment of workers, and the welding angles are inconsistent due to manual operation errors is avoided, so that the symmetrical angles are beneficial to uniform distribution of welding seams, and the welding quality is improved. And the structural strength of the welded framework can be improved.

The utility model discloses a novel lifting pulley block and a lifting door and window system, the lifting pulley block comprises a lifting support, a pulley assembly and a first transmission assembly, and the lifting support is provided with a sliding groove; the pulley assembly is provided with a guide shaft, and the guide shaft is arranged in the sliding groove in a penetrating mode and can slide along the sliding groove. When the pulley assembly is driven to ascend or descend, the door leaf can ascend or descend through cooperation of the guide shaft and the sliding groove. One end of the first transmission assembly is in transmission connection with the driver, and the other end is in transmission connection with the pulley assembly. The sliding groove is an arc groove which is arranged in a downward inclined mode, and the lowest terminal of the arc is slightly higher than the tangent point of the arc to form a clamping position. When the pulley assembly is driven to move until the guide shaft slides to the lowest terminal of the sliding groove, the guide shaft is stressed in a balanced manner and stops at the clamping position, so that the guide shaft is prevented from exerting acting force on the first transmission assembly and the driver to enable the first transmission assembly and the driver to be stressed by pulling force, the risk of damage is reduced, and the service life is prolonged.

The utility model relates to the technical field of electric automobile charging, in particular to a take-up device of an electric automobile charging pile, which comprises a charging head hung on the charging pile and a charging wire arranged on the charging head, a take-up box is arranged on the charging pile, a winding drum is rotatably arranged in the take-up box, one side of the charging wire is wound on the winding drum, and the other side of the charging wire is wound on the winding drum. A sleeve hole is formed in the bottom of the take-up box and sleeves the charging wire, a torsional spring is sleeved with the winding drum, the two sides of the torsional spring are installed on the winding drum and the take-up box respectively, a ratchet wheel is sleeved with one side of the winding drum, a pawl is obliquely arranged above the ratchet wheel, the top of the pawl is hinged to the take-up box, and the bottom of the pawl makes contact with the ratchet wheel; and an unlocking mechanism for pushing the pawl to rotate is arranged above the pawl. The utility model provides a take-up device of an electric automobile charging pile, which can protect a charging wire, quickly finish wire stretching and take-up operation, prevent the charging wire from being pulled in the charging process, and is used for overcoming the defects in the prior art.

The utility model belongs to the field of building construction technology, especially a movable operation platform. Including top subassembly, middle subassembly, adjustable base, sliding device, first support device and second support device, top subassembly sets up in the upside of middle subassembly, adjustable base sets up in the downside of middle subassembly, sliding device is vertically adjustable and sets up in the side of middle subassembly close to adjustable base, first support device rotates and sets up in the side of middle subassembly close to adjustable base, one end of second support device connects top subassembly, and the other end sets up on the ground, first support device includes connecting rod, spring, support wheel and action lever, two connecting rods are connected and rotate and set up on middle subassembly, support wheel sets up in the one end of connecting rod, and the other end is connected with action lever, one end of spring is connected with connecting rod, and the other end is connected with middle subassembly. The operation platform is lifted through first support device, and the operation platform is moved to the place that needs through sliding device, need not to re -erect, simple and convenient.

The application discloses a multi-degree-of-freedom adjusting probe array for battery module equalization detection, and relates to the technical field of battery detection.The multi-degree-of-freedom adjusting probe array comprises a base, a plurality of mounting columns are symmetrically and fixedly installed on the base, an electric telescopic rod is fixedly installed in each mounting column, a supporting frame is fixedly and jointly installed at the telescopic ends of the plurality of electric telescopic rods, a plurality of supporting frames are equidistantly clamped in the supporting frame, and a plurality of fixing cylinders are slidably installed in each supporting frame.The application solves the problem that the existing battery module accumulates position errors in the assembly link, causes small height differences in the height direction of each pole in the same module, and causes the surfaces of some battery poles to present a small inclination after welding, which leads to unstable contact between the probe and the pole, and the pole spacing, pole height and arrangement mode of battery modules of different capacities and specifications are greatly different, the common probe array cannot be flexibly adjusted, and the production line efficiency is seriously affected.

The utility model belongs to the field of warp knitting machine yarn, and particularly relates to a warp knitting machine yarn breakage prevention mechanism which comprises a base and a guide roller. An adjusting mechanism is arranged on the base and comprises two sets of adjusting discs, the two sets of adjusting discs are fixedly connected to a connecting block, the connecting block is fixedly connected with a moving block, the moving block is in threaded connection to a threaded rod, and the top end of the threaded rod is rotationally connected with the inner wall of a long plate; a connecting rod is fixedly connected to the bottom end of the threaded rod, a first bevel gear is fixedly connected to the connecting rod, the first bevel gear is meshed with a second bevel gear, a rotating rod is inserted into the second bevel gear, a motor is fixedly connected to the left side of the rotating rod, and the bottom end of the motor is fixedly connected to a supporting frame; the supporting frame is fixedly connected to the base, the connecting block is slidably connected to the interior of a movable groove, and the movable groove is formed in one side of the long plate.

The present invention discloses a self-locking dry friction damper for vibration control of aircraft engine rotors, including a driving mechanism, a locking / unlocking mechanism, a damper housing, a dynamic contact disc, a static contact disc, a static contact disc flexible connection sleeve, a rolling bearing, a housing, a rotor shaft stand and a rotor shaft; the static contact disc flexible connection sleeve is fixedly mounted on the rotor shaft stand, the static contact disc flexible connection sleeve is connected to the static contact disc, and is mounted on the rotor shaft through a bearing; the housing is a round tube structure, the housing is fixedly connected to the static contact disc flexible connection sleeve; the dynamic contact disc is connected to the driving mechanism, the driving mechanism is mounted on the damper housing through a bracket, and the locking / unlocking mechanism is mounted on the damper housing corresponding to the driving mechanism. The present invention effectively solves the problem of a sharp decline in the life of piezoelectric ceramics due to severe heating caused by long-term operation, and meets the technical requirements of vibration control of aircraft engine rotors.

The utility model provides a vector frequency converter cabinet heat radiation structure, which relates to the technical field of electrical equipment heat radiation and comprises a cabinet body, a mounting frame and a heat radiation frame, and heat radiation holes are arranged on two sides of the cabinet body. The cleaning mechanism is arranged in the heat dissipation frame, the motor drives the threaded rod to rotate, and the connecting block drives the cleaning brush to move up and down, so that the cleaning brush reciprocates on the surface of the dustproof filter screen, dust attached to the surface of the dustproof filter screen is swept down, and the dust is prevented from blocking the filter screen to affect ventilation and heat dissipation; meanwhile, a collecting box arranged on the lower surface of the heat dissipation frame is in sliding connection with a convex groove in the side face of the heat dissipation frame through a convex block and can receive dust swept down by a cleaning brush, and when much dust is accumulated in the collecting box, a limiting rod is pulled to be separated from a limiting hole, the tension of a tension spring is overcome, and the dust is prevented from being accumulated in the collecting box; and therefore, the operation is convenient and fast.

The present invention discloses a screen folding structure and a mobile terminal having the same. The screen folding structure includes: two connecting plates connected to the screen, with a preset interval between the two connecting plates; a hinge assembly located within the preset interval; two sliding plates located between the two connecting plates; one side of one of the sliding plates is slidably connected to one connecting plate, and the other side is connected to the hinge assembly and can rotate on the hinge assembly; one side of the other sliding plate is slidably connected to the other connecting plate, and the other side is connected to the hinge assembly and can rotate on the hinge assembly. The screen folding structure of the present invention has a sliding plate and a connecting plate. During the folding and unfolding of the screen, the sliding of the sliding plate on the connecting plate is used to compensate for the positional deviation caused by bending, thereby avoiding the pulling force on the flexible screen during the bending or opening process and ensuring the stability of the screen.

The invention belongs to the technical field of power accessories, and particularly discloses a line fixing device for a power distribution cabinet, which comprises a shell, a transmission wheel is rotatably mounted in the shell through a shaft, a rotating plate is fixedly connected to one side of the outer wall of the transmission wheel, and yoke plates which are uniformly distributed are fixedly connected to the outer wall of the rotating plate. A linkage ring is fixedly connected to the outer wall of the linkage plate, a second adjusting wheel is fixedly connected to the outer wall of the linkage ring, the second adjusting wheel is inserted and rotationally connected to the outer wall of the shell, a pressing plate is fixedly installed in the shell, and cable holes allowing cables to penetrate through are formed in the upper face and the lower face of the outer wall of the shell. A buffer assembly is arranged on one side of the outer wall of the shell, a cable penetrates through a cable hole in the lower side of the shell, and convenient adjustment of the cable inside and outside the shell is achieved through rotation of a second adjusting wheel and a transmission wheel, so that a user can easily adjust the cable whether the user is inside or outside the power distribution cabinet.

The invention discloses a highway submersible bridge with sacrifice components, which belongs to the technical field of submersible bridge structures and is characterized in that by arranging a plug pin type fixing structure, a bridge plate and a bridge pier are connected when the water surface height is low to form a bridge floor for vehicles to pass through and a water channel for the water level to rise and pass through the bridge pier during flood and torrential water flow; high-speed water flow can drive water slurry to rotate, a rotating roller is wound with a pull rope, the pull rope pulls down a blocking base blocking a plug pin, the blocking pin is made to be away from a bridge plate, the bridge plate is not fixed by the plug pin, the bridge plate can be flushed away from a bridge pier through the water flow, and before the water level continues to rise, obstruction between the bridge plate and water is reduced; when the bridge plate is about to be submerged, the fixing structure of the bridge plate can be detached, the bridge plate is abandoned, the tensile force of the bridge plate on the pier in the water flow impact process is avoided, and the safety of the main structure of the pier is protected.

The application discloses a connecting structure and method of an implantable pulse generator and the pulse generator. The connecting structure is formed between a feedthrough lead and an antenna. The antenna has an antenna lead-out end which is columnar. The diameter of the feedthrough lead is substantially the same as that of the antenna lead-out end. The antenna lead-out end is arranged along the length direction of the feedthrough lead. The head of the antenna lead-out end and the head of the feedthrough lead are respectively provided with a first bending part and a second bending part. The first bending part and the second bending part are hooked and connected through at least one laser spot welding. The application can better overcome the axial and radial tension through the hooking and welding mode, improve the stability of the connection, and reduce the possibility of falling off, thereby solving the problems that the connection between the antenna and the feedthrough lead of the implantable pulse generator is unstable and easy to fall off in the prior art.

The utility model provides a guide wire conveying device and a guide wire conveying force measuring device.The guide wire conveying device comprises a linear movement driving mechanism, a rotation driving mechanism and a clamp, the rotation driving mechanism is arranged at the driving end of the linear movement driving mechanism, and the clamp is connected with the driving end of the rotation driving mechanism; the clamp is used for clamping and positioning the guide wire. The guide wire conveying force measuring device comprises a guide wire conveying device, a pull pressure sensor, a clamp and a weight balancing device, the driving end of the guide wire conveying device is connected with one end of the pull pressure sensor, the other end of the pull pressure sensor is connected with the clamp, and the weight balancing device is arranged at the driving end of the guide wire conveying device and supports the clamp. When the guide wire conveying device drives the tension and pressure sensor to move together with the clamp and the weight balancing device, the axial force borne by the guide wire on the clamp can be directly fed back to the tension and pressure sensor, the axial feeding conveying force borne by the guide wire can be directly measured, and the measuring error is small.

The lamp string with the rotating structure comprises a supporting frame, a steering assembly is installed in the supporting frame, a rotating assembly is installed at the bottom of the supporting frame, the steering assembly comprises an installation block rotationally connected with the interior of the supporting frame, and a lamp body is fixedly installed on the outer wall of the top of the installation block. A mounting plate is arranged at one end of a rotating shaft of the mounting block, a positioning rod is slidably inserted into one end of the mounting plate, a plurality of limiting holes are formed in the outer wall of one side of the supporting frame and distributed at equal intervals, an extension plate is fixedly connected to one end of the outer wall of the circumference of the positioning rod, and a same spring is fixedly connected between the extension plate and the mounting plate. The rotating assembly comprises a connecting plate coaxially fixed to the outer wall of the bottom of the supporting frame, by arranging the steering assembly and the rotating assembly, the lamp body can rotate according to needs, it can be guaranteed that light can reach different positions, and therefore the device is higher in adaptability and convenient to use.

The utility model discloses a double -decked paper towel distributor belongs to public facilities articles technical field. It is to solve the existing double -decked paper towel distributor and paper towel roll is stolen easily, and the problem of partial use paper towel roll replacement waste. The distributor includes at least two compartments, and each compartment has a base, openable cover, paper towel frame and locking device, and locking device contains bracket, locking component, unlocking component, blocking device and biasing device, and bracket moves from external position to internal position with paper towel roll use, and after pushing blocking device, button can make unlocking component and locking component joint and unlock, and it further includes the warehouse door with branch, and branch engages with paper towel roll, and only when the current compartment paper towel roll is exhausted, the warehouse door can slide to next compartment, and it is mainly used in public washroom and other places, can prevent paper towel roll and waste, prolongs continuous paper supply time, and is convenient for timely supplement.

The utility model discloses a side-mounted driver and a lifting door and window system, the side-mounted driver is configured at the side part of a sash frame and comprises a box body, an eccentric wheel, a sliding block and a reversing positioning assembly, and the eccentric wheel is rotatably arranged in the box body and comprises a main shaft and an eccentric shaft arranged on the main shaft; the sliding block is arranged in the box body in a sliding mode and provided with a sliding groove, and the eccentric shaft is arranged in the sliding groove in a penetrating mode and can slide along the sliding groove. When the eccentric wheel is driven to rotate, the sliding block can be driven to slide through sliding fit of the eccentric shaft and the sliding groove. The reversing positioning assembly is arranged on the sliding block and comprises a gear, a first rack and a second rack, the first rack and the second rack are arranged on the two sides of the gear respectively and meshed with the gear, and a first through hole and a second through hole which are communicated with the first rack and the second rack respectively are formed in the sliding groove. Therefore, the first rack or the second rack can be selected to extend into the sliding groove and abut against the eccentric shaft by rotating the gear, so that the rotating direction of the eccentric wheel is limited, the left-right assembly universality of the side-mounted driver is achieved, and the cost is reduced.

This utility model belongs to the field of charging pile technology, and in particular relates to a charging pile cable telescopic device, including a charging pile body. A charging gun is hung on the outer wall of the front middle part of the charging pile body, and a cable is fixedly connected to the bottom end of the charging gun. A positioning component is installed on the outer wall of the bottom right side of the charging pile body. A winding shaft is mounted on the inner wall of the bottom end of the charging pile body with a bearing. A first gear is fixedly sleeved on the outer side of one end of the winding shaft, and a reinforcing bracket is sleeved on the outer side of the other end of the winding shaft with a bearing. The bottom end of the reinforcing bracket is fixedly connected to the charging pile body. Multiple sets of auxiliary rotation components are arranged in a ring on the outer side of the first gear. Two limiting discs are symmetrically fixedly sleeved on the outer side of the middle part of the winding shaft. A second directional gear is welded and fixed to the right end of the winding shaft. This utility model can avoid tension on the cable during charging and facilitates a stable connection between the charging gun and the vehicle charging port.

This invention belongs to the field of textile fabric processing technology, specifically a surface coating device for waterproof fabric processing. Addressing the problem that existing waterproof fabrics lack anchoring points between the waterproof coating and the yarn layer for reinforcement, the following solution is proposed: a main unit housing with a sealed partition bolted to its bottom inner wall. A coating chamber is located at one end of the main unit housing near the partition, and a drying chamber is located at the other end. A feed roller is fixed at one end between the inner walls of both sides of the main unit housing. This invention uses an external air pump to inflate the air inlet ring and blows air through an air guide pipe into the injection hole on the injection head. The negative pressure forces the waterproof coating into the interior of the fabric body through the feed hole on one side, coating and injecting the waterproof fabric into its interior. After solidification with the surface waterproof fabric, it forms a deep cone, improving the tensile and waterproof resistance of the finished fabric.

The invention discloses a large-size aluminum alloy thin-wall hollow round cast ingot and a production method thereof, belongs to the technical field of aluminum alloy casting, and aims to solve the problem that the thin-wall hollow round cast ingot lacks related production processes which are mature in technology and controllable in cost. The method comprises the steps of burdening; and smelting, refining and casting. High-temperature raw aluminum liquid produced by the aluminum electrolysis cell is directly utilized, large-specification aluminum alloy hollow and solid round cast ingots are produced, meanwhile, the production line can also produce aluminum alloy flat cast ingots and aluminum alloy round cast ingots in a compatible mode, product types can be increased for enterprises, economic benefits can be improved, and energy conservation and consumption reduction can be achieved.

The application discloses an integrated pile foundation detection device and belongs to the technical field of pile foundation detection.The integrated pile foundation detection device comprises a support pier, a base and a pile foundation, a main beam is arranged on the support pier, and a through jack is installed at the top center of the main beam.The present application applies force to the sleeve pipe through the guard plate to form directional force against the pull rod, so that the pull rod returns to the balanced state, and the eccentricity and inclination of the pile foundation detection device are corrected, when the pile foundation and the pull rod are restored to be stable and the pulling force on the pull rod is uniform and not inclined, the processing module controls the driving component to stop working and drives the execution component to return to the original position, so that the eccentricity of the pulling force in the pile foundation detection process does not affect the pile foundation detection, and the pressure when the detection guard plate of the anti-eccentricity mechanism is pushed is detected through the cooperation between the guard plate and the pressure sensor, and timely correction is performed, so that the influence of the excessive pushing force of the guard plate on the eccentricity correction is prevented.

The utility model relates to the technical field of abdominal hydrops drainage, in particular to an ascites extraction device which comprises a fixed patch, a connector pipe is installed at the center of the outer side face of the fixed patch, external threads are arranged at one end of the outer ring face of the connector pipe, internal threads are arranged on the inner side wall of the connector pipe, and the outer ring face of the connector pipe is provided with an external thread. The ascites extraction device comprises a connector tube, a positioning column is installed in the connector tube, a needle hole is formed in the center of one end of the positioning column, a puncture needle is installed on the inner side of the needle hole, one end of the puncture needle is connected with a connector, and one end of the connector is connected with a drainage tube. The needle head can straightly puncture the skin through the needle hole in the positioning column, a doctor can apply force conveniently, meanwhile, the needle head is effectively prevented from inclining during puncture, meanwhile, the puncture needle is fixed to the connector tube through the connector during formal puncture, and therefore the situation that the puncture needle generates pulling force after a drainage tube is accidentally touched can be effectively prevented.

The invention relates to an oral cleaning appliance handle and an oral cleaning appliance. The oral cleaning appliance handle comprises a shell, a driving assembly and a sensor assembly. The driving assembly is arranged in the shell; the driving assembly comprises a driving motor, and the driving motor comprises an output shaft extending along a first axis; the driving motor is configured to output swinging power through an output shaft; the sensor assembly comprises a sensor body and a circuit connecting piece connected with the sensor body; the sensor body is arranged on the output shaft and is driven by the output shaft to move; the circuit connecting piece comprises a first bending part connected with the sensor body, and the first bending part is configured to surround the output shaft by less than one circle; in the unfolded state, the first bent part is configured to be in a waveform shape. In the process that the output shaft outputs the swing power, the first bent part is constructed to be compressed and stretched in a reciprocating mode. The circuit connecting piece is not prone to being broken, the service life is prolonged, and the accuracy of tooth brushing force detection is improved.

The present invention relates to the technical field of pipeline detection, and specifically to an anti-corrosion layer detection device for an anti-corrosion pipeline, comprising an arc-shaped cover, an arc-shaped track groove being opened in the middle of the arc-shaped cover, a square tube being arranged on the arc-shaped track groove, the square tube being arranged along the radial direction of the arc-shaped cover, a detection mechanism being arranged on the square tube, and a moving mechanism for moving the square tube along the arc-shaped track groove being jointly provided on the arc-shaped cover and the square tube. The present invention moves by pulling an inelastic steel wire rope, so that the square tube can stably follow the separation point of a stripping strip and a pipeline matrix and move synchronously, thereby ensuring that the angle between the stripping strip and the pipeline matrix is ​​always fixed, thereby ensuring the accuracy of the test result. The present invention adopts a dynamometer between a clamping plate and a moving plate to read the tension of the stripping strip, so that the dynamometer only measures the force between the clamping plate and the moving plate, thereby preventing other forces from interfering with the value of the dynamometer, thereby further ensuring the accuracy of the test result.

The utility model discloses a fire fighting truck roller shutter capable of being opened and closed quickly, which relates to the technical field of fire fighting truck doors and comprises a side wall and a roller shutter door, the side wall is arranged at an opening of a fire fighting carriage, the roller shutter door is slidably connected with a slide rail, a fixing shaft is fixedly arranged at the upper end of the side wall and positioned on one side of the slide rail, and a vortex rolling plate is fixedly wound on the fixing shaft. A limiting cavity is fixedly formed in the bottom of the side edge wall, a limiting block is arranged in the limiting cavity through a spring mechanism and penetrates into the sliding rail, the upper end, located in the sliding rail, of the limiting block is provided with a first inclined face with a large dip angle, and the lower end of the limiting block is provided with a second inclined face with a small dip angle. Side edge bases are fixedly arranged on the two sides of the bottom edge, and limiting grooves are formed in the side edge bases. The roller shutter door fixing device is simple in structure, the roller shutter door can be fixed when being pulled down, when the roller shutter door is lifted up, rolling of the roller shutter door can be accelerated through the rolling mechanism on the upper portion, and the roller shutter door fixing device is high in practicability and suitable for popularization.

The on-line optical fiber cutting and clamping device comprises a cutting extrusion mechanism, a clamping extrusion mechanism and a cutting guide mechanism, a spring is arranged on the inner side of a first vertical telescopic sleeve rod, and one side of a first extrusion block is communicated with a first oil pipe; the clamping and extruding mechanism comprises a second extruding block installed in the groove of the base, and a second vertical telescopic sleeve rod is arranged at the bottom of the second extruding block. According to the utility model, the cutting extrusion mechanism, the cutting mechanism and the clamping mechanism are respectively and independently controlled, the optical fiber is ensured to be completely clamped and cut at the same time, the springback of the optical fiber is avoided, and compared with the prior art, the cutting precision and the surface quality are improved; compared with the prior art, the optical fiber cutting device has the advantages that the risk of breakage of the optical fiber is reduced, the problems of microcracks, surface defects and the like are reduced, the transmission performance of the optical fiber is improved, and the service life of the optical fiber is prolonged.

The utility model relates to the technical field of petroleum logging, in particular to a petroleum logging exploring tube protection structure. Comprising a petroleum logging exploring tube, one end of the petroleum logging exploring tube is provided with a cable, the protection cavity tube is used for loading the petroleum logging exploring tube, and one end of the protection cavity tube is flared; the end anti-collision mechanism is arranged on the end face of the flaring end of the protective cavity tube and used for buffering axial collision to the end of the protective cavity tube; and a cable anti-drop mechanism. According to the device, the protection cavity pipe is used for protecting the outside of the petroleum logging exploring pipe, logging work of the petroleum logging exploring pipe is not affected through structures such as a window, and meanwhile the end anti-collision mechanism is used for buffering axial impact received by the protection cavity pipe in the downward exploring process; the cable anti-falling mechanism is used for preventing the connecting portion of the petroleum logging probe and the cable from being snapped in the mode that pulling force is generated between the petroleum logging probe and the cable, and the situation that the probe falls into a well is avoided.

The invention relates to a wafer tape-out quality inspection device, and relates to the technical field of chip manufacturing, the wafer tape-out quality inspection device comprises a connection support column used for supporting a chip backboard, the connection support column is fixedly installed on a transmission slide block, and the top of the connection support column is provided with an adsorption port. According to the invention, support and vacuum adsorption are carried out below a chip backboard (a non-circuit surface) through the connecting support columns, and then the chip is driven by the conveying chain to horizontally move to a quality inspection station. In the process, a suction nozzle and other components are completely prevented from contacting, pressing or rubbing a precise circuit on the front surface of the chip from the upper part, so that the core problem that a chip circuit is scratched, polluted or damaged by static electricity due to the fact that an adsorption position is deviated in the background technology is thoroughly solved, and the safety and yield of the chip in the transfer process are remarkably improved; the method is especially suitable for quality inspection and circulation of high-precision and high-value chips.

The invention discloses a wireless power supply assembly of a laser radar, a manufacturing method of the wireless power supply assembly and the laser radar. The circuit board is provided with at least one contact elastic piece on the surface facing the fixed seat, the circuit board and the fixed seat are fixedly connected at a fastening point, and the contact elastic piece is arranged in the surface of the circuit board. The distance between the fastening point and the contact elastic sheet is determined according to the elastic potential energy of the contact elastic sheet and the rigidity of the circuit board. The distance between the fastening point and the contact elastic piece is determined according to the elastic potential energy of the contact elastic piece and the rigidity of the circuit board, the risk that the contact elastic piece is disengaged can be effectively reduced, the reliability of surface contact of the contact elastic piece and the fixing base is guaranteed, the probability of deformation and warping of the circuit board can be effectively reduced, and the service life of the circuit board is prolonged. Therefore, the reliability of the circuit board and the surface elements thereof is improved.