49results about How to "Avoid angular offset" patented technology

The invention discloses an optical module comprising an optical insertion core, an insertion core holder, and a round tube body wherein the insertion core holder is fixedly arranged on the external surface of the optical insertion core. The optical end face of the optical insertion core extends out from one end of the insertion core holder; the optical end face of the optical insertion core is an inclined face; one end of the optical insertion holder away from the optical end face and the round tube body are fixed; the optical module also comprises a circuit board, a flexible connector, a support, and a housing. The round tube body is connected with the circuit board through the flexible connector; the outer surface of the insertion core holder is further provided with a fixing component. The fixing component cooperates with the support and the housing respectively for fixations. When the optical insertion core of the optical module is docked with the insertion core of the optical connector, the position movement of the insertion core holder is restricted as the fixing component on the insertion core holder, the support and the housing of the optical module are fixed. Therefore, angle deviation generated from the docking of optical end faces can be avoided, so are the insertion loss and damage.

Composite body armor comprises a bullet absorbing layer, a protection layer, a buffering layer and an energy absorbing layer from exterior to interior. The bullet absorbing layer is used for absorbingbullets so as to avoid stray bullet generation, two carbon fiber layers and an aluminum foam layer are included, and the aluminum foam layer is sandwiched between the two carbon fiber layers. The buffering layer is used for converting point impacts into face impacts. The absorbing layer is used for absorbing deformation of the buffering layer. The composite body armor can effectively avoid straybullet generation and fighting personnel rib fracture danger caused by excessive impact force.

The invention belongs to the technical field of automation equipment, and particularly relates to a welding ring sleeving machine. The welding ring sleeving machine includes a worktable. The workableis provided with a material storage box. The interior of the material storage box is provided with an abutting adjusting plate capable of moving in a straight line reciprocating mode along the horizontal direction. The interior of the material storage box is provided with a shifting pipe rotating plate. The welding ring sleeving machine enables position deviation not to occur on copper pipes in the sliding process by arranging and adjusting the abutting adjustment plate. Meanwhile, through arrangement of the shifting pipe rotating plate, the copper pipes located above the material storage boxcan slide down in order to prevent the copper pipes above from being clamped. The welding ring sleeving machine has an automatic sorting function, and can limit the height of the copper pipes by a pipe pressing article, so as to avoid the simultaneous discharge of two layers of copper pipes. The welding ring sleeving machine has no need for manual sorting and reduces labor cost. Finally, ring feeding, sleeving and assembling are carried out on the copper pipes through a ring feeding and assembling mechanism. The assembling positioning is accurate, the automation degree is high, the manual ringsleeving is not needed and the production efficiency is high.

The invention discloses a battery pack with a heat management and control function and a management and control system thereof, and the battery pack comprises a battery pack body, a temperature sensor and an adjusting device; the adjusting device comprises a heating cavity arranged at the bottom of the body and used for storing a heat-conducting medium, an electric heating wire arranged in the heating cavity, a plurality of containing cavities arranged on the upper middle portion of the inner side of the body, heat exchange plates arranged on the inner walls of the containing cavities, heat-conducting columns arranged on the inner sides of the heat exchange plates, partition plates arranged on the upper middle portions of the heat-conducting columns, adjusting cavities are arranged on the partition plates, and a heat conducting component which is used for adjusting temperature. Through cooperative use of the body, the temperature sensor and the adjusting device, the temperature of the battery in the battery pack can be adjusted, the stable use efficiency of the battery is kept, and the problems that the overall performance of the battery is reduced and the normal use of the battery is affected due to the fact that the internal temperature of an existing battery pack cannot be regulated and controlled and the temperature is easy to be too high or too low are solved.

The invention relates to the technical field of road signal lamps and discloses a smart city road signal lamp. The signal lamp comprises a housing and a signal lamp body arranged on the housing, wherein a walking mechanism is arranged at the lower end of the housing, a supporting pipe is vertically and fixedly connected to the upper end of the housing, a fixed rod is connected into the supportingpipe in a sliding and sleeved mode, the upper side of the right end of the fixed rod penetrates through a pipe orifice in the upper end of the supporting pipe and is fixedly connected with the housing of the signal lamp body, the upper side of the left end of the supporting pipe is fixedly connected with a casing, a fixing mechanism is connected into the casing, multiple fixing slots distributeduniformly are formed in the rod wall of the fixed rod, and the multiple fixing slots are all matched with the fixing mechanism. The signal lamp can be conveniently moved, it is convenient to stably place the signal lamp on the ground after movement, and therefore the situation that the signal lamp has angular deflection during movement is avoided; and meanwhile, the position of a photovoltaic panel can be quickly adjusted in the using process, so that the optimal illumination angle is maintained between the photovoltaic panel and sunlight, and electric energy is effectively provided for the signal lamp.

The invention belongs to the technical field of pipe gallery moving platforms, and particularly relates to a multifunctional unmanned aerial vehicle intelligent mobile platform for an underground pipegallery. The mobile platform comprises a mobile platform main body, a platform driving part is arranged at the bottom of the mobile platform main body, an unmanned aerial vehicle landing platform isarranged in the mobile platform main body, and an electromagnet fixing part is arranged at the top of the unmanned aerial vehicle landing platform. According to the invention, the unmanned aerial vehicle can be fixed in multiple directions and multiple angles; the unmanned aerial vehicle can be prevented from loosening and falling off after being fixed on the mobile platform main body; the fixingeffect is good, the structure is stable, meanwhile, emitted omnidirectional signals can be converted into directional signals through the signal amplifying and adjusting assembly, the effect of directionally enhancing signals of the unmanned aerial vehicle is achieved, the unmanned aerial vehicle can conveniently receive transmission signals in the underground pipe gallery, the front-back directional signals can be adjusted, and the situation that signals are lost in the underground pipe gallery is avoided.

The invention provides an image processing method and a mobile terminal. The image processing method comprises steps that when a target object comprising a plane exists in the shooting preview interface of the mobile terminal, whether the mobile terminal moves in a first direction with respect to the target object is monitored; the camera of the mobile terminal faces the direction of the target object, which is defined as a second direction, and the first direction is vertical to the second direction; when the moving of the mobile terminal in the first direction with respect to the target object is monitored, a distance between the mobile terminal, which is at different positions with respect to the target object, and the target object is acquired, an offset angle between the second direction and the direction vertical to the target object is determined; when the shot picture of the shooting preview interface is acquired, the offset correction of the shot picture is carried out according to the offset angle. Shooting effect and user experience are improved.

The application proposes a medical sewage treatment device, which relates to the field of sewage treatment equipment. It includes a box body, and a partition board is arranged in the box body, and the partition board divides the inside of the box body into a filter chamber and a treatment chamber. There is a filter plate, a connection hole communicating with the through hole is opened on the side wall of the box body, a connection plate is slidably arranged in the connection hole, and the side of the connection plate close to the through hole is fixedly connected with the filter plate. The box body is provided with a sealing plate, and the sealing plate is used to close the connecting hole, and the tops of the filter chamber and the processing chamber are all opened. This application has the effect of ensuring the health of the staff during the process of replacing the filter plate.

The invention belongs to the technical field of quenching equipment, and particularly relates to metal quenching equipment for metal heat treatment. The metal quenching equipment comprises a quenching machine seat, wherein a plurality of quenching cooling seats which are symmetrical along the central line of the quenching machine seat are arranged on the quenching machine seat; metal induction quenching pieces are arranged in the quenching cooling seats; a middle mounting plate is further arranged on the quenching machine seat; and a plurality of metal clamping portions which are symmetrical along the central line of the middle mounting plate are arranged on the middle mounting plate. According to the metal quenching equipment, an elastic limiting clamping assembly is arranged, so that in a heat treatment process, the elastic limiting clamping assembly can clamp and fix an un-clamped end of a steel tube, synchronously rotates with the steel tube along with heat treatment, and does not interfere with a quenching process, so that stability of the steel tube during quenching is kept, angle deviation of the steel tube in the quenching process is avoided, and quenching uniformity and effect are improved; and moreover, the elastic limiting clamping assembly can be suitable for steel tubes with different diameters, is relatively good in positioning and clamping effect, and is relatively high in practicability.

The invention discloses a double-turbine structure of a pumped storage water-turbine generator set. The double-turbine structure comprises a motor and a rotating shaft, the motor is arranged at the top end of the rotating shaft, a fixed stator and a fixed rotor are arranged in the motor, the rotor is arranged at the upper end of the rotating shaft and rotates along with the rotating shaft; a slipring chamber is arranged on the motor in a matched manner; a first turbine and a second turbine are axially arranged on the rotating shaft at an interval, the directions of turbine blades of the firstturbine and the second turbine are opposite, one turbine blade is arranged in the forward direction, the other turbine blade is arranged in the reverse direction; and the first turbine is provided with a first water guide mechanism in a cooperating mode, introduced water makes contact with the turbine blades of the first turbine, the second turbine is provided with a second water guide mechanismin a cooperating mode, and the introduced water makes contact with the turbine blades of the second turbine. According to the double-turbine structure of the pumped storage water-turbine generator set, the motor and the rotating shaft rotate in the same direction during power generation and water pumping, so that the rotating direction of the motor is prevented from being adjusted; power generation and water pumping can be carried out on the same equipment at the same time or in a time-sharing manner; angle deviation of a slip ring and a carbon brush is prevented, the fact that the contact area of the carbon brush and the slip ring is reduced is prevented, and the contact area of the carbon brush and a collector ring is ensured to be within a reasonable range.

The invention discloses a mounting structure for a lift type security monitoring equipment carrier cart. The mounting structure comprises an air velocity sensor, a lift hole, a mounting structure, a window, a camera and a radiating hole. The air velocity sensor is vertically mounted at the top end of the mounting structure; the lift hole is embedded in the mounting structure; the window is arranged on the front surface of the top end of the mounting structure; the camera is embedded at the bottom end of the mounting structure and is in electric connection with the same through a conductor wire; and the radiating hole is embedded in the outer surface of the mounting structure. The mounting structure comprises a shell, a control mechanism, a lift mechanism, a stabilizing mechanism and a camera holder; the camera and the mounting structure are kept at a stable state through action of an outer ring stabilizing mechanism and an inner ring stabilizing mechanism inside the stabilizing mechanism, influence from air flow at high level is avoided, normal operation of the camera is guaranteed, and the operation of dropping the camera to repair is avoided; besides, in a typhoon day, the control mechanism controls the lift mechanism automatically to fall, the gravity of the mounting structure is lowered, and the mounting structure is protected against typhoon.

The invention discloses a fatigue-resistant multi-layer bending-resistant anti-seismic steel bearing plate, and relates to the technical field of steel bearing plates. The fatigue resistance, bending resistance and earthquake resistance are improved; the steel bearing plate specifically comprises a plurality of steel bearing plate modules, each steel bearing plate module comprises a first plate body, a second plate body and a third plate body, the first plate bodies, the second plate bodies and the third plate bodies are provided with protruding parts and sunken parts at equal intervals, the protruding parts and the sunken parts are distributed in a staggered mode, the sunken parts of the first plate bodies correspond to the protruding parts of the second plate bodies, and the sunken parts of the second plate bodies correspond to the protruding parts of the third plate bodies. And the concave part of the second plate body corresponds to the convex part of the third plate body. According to the steel bearing plate module, the first plate body, the second plate body and the third plate body are arranged, the concave parts and the convex parts are of matched isosceles trapezoid structures, when the steel bearing plate module is formed, the concave parts and the convex parts can form a hexagonal structure, and therefore the structural firmness is guaranteed; reliable support is provided between the convex part and the concave part, and good fatigue resistance, bending resistance and earthquake resistance are achieved.

The invention relates to the technical field of intellectualization, and discloses artificial intelligence monitoring equipment. The artificial intelligence monitoring equipment comprises an equipment main body, wherein a camera main body is fixedly mounted in the equipment main body, a mounting seat is fixedly mounted on the outer side of the equipment main body, a cross movable plate is movably connected to the outer side of the mounting seat, and a stress rod is movably connected to the outer side of the cross movable plate; a protection plate is fixedly connected to the outer side of the stress rod, a mounting block is fixedly connected to the inner side of the protection plate, and a shaft rod is movably connected to the end, away from the protection plate, of the mounting block. According to the artificial intelligence monitoring equipment, electromagnets are arranged in flexible clamping magnetic rods, the electromagnets in the flexible clamping magnetic rods are immediately and firmly attracted to the equipment main body along with inward pushing of the flexible clamping magnetic rods, and flexible clamping plates synchronously fix the equipment main body, so that the mounting stability of the camera main body in the equipment main body is ensured; deviation generated by angle jitter of the camera main body is prevented, which causes decline of shooting quality.

The invention relates to the field of display and technology, and mainly relates to a display device, a display panel and a manufacturing method thereof. The display panel comprises a driving backboard and a stress absorption layer, the driving backboard comprises a pixel circuit area and a peripheral area located outside the pixel circuit area, the peripheral area comprises a bending area, the bending area and the pixel circuit area are sequentially distributed in the first direction, the bending area comprises a plurality of isolation grooves distributed at intervals in the second direction, the second direction intersects with the first direction, and the isolation grooves penetrate through the driving backboard; and the stress absorption layer is arranged in the bending area and comprises a plurality of absorption parts, and the absorption parts and the isolation grooves are alternately distributed in the second direction. According to the display panel, the narrow frame design can be realized, and the product yield is improved.

The invention belongs to the field of intelligent AGVs, particularly relates to an intelligent AGV trolley capable of expanding a transportation volume, and aims to solve the problems that an objective table of an existing intelligent AGVtrolley is fixed in size and cannot be adjusted according to the field condition, and the carrying efficiency is invisibly reduced. The following scheme is provided. The intelligent AGV trolley comprises a vehicle body, and the side end of the vehicle body is rotatably connected with four driving wheels; and a driving mechanism is arranged in the vehicle body, a supporting frame is fixedly connected to the inner wall of the vehicle body, a first expanding mechanism is arranged on the upper side of the vehicle body, and a second expanding mechanism is arranged on the upper side of the vehicle body. The first expanding mechanism and the second expanding mechanism are extended through the driving mechanism so that the area of the originally crossed and overlapped bearing surfaces is expanded; and a purpose of increasing a transportation volume of the trolley is achieved, the driving mechanism does not need manual operation so that manpower and material resources are greatly saved, and the working efficiency and benefits are improved.

The invention discloses a method for measuring the screen plate overlay accuracy of a solar cell. The method comprises the following steps of: a, determining the coordinates of the center positions of four positioning points of a first screen plate and the center line of a thin-grid outer frame line, and measuring the vertical distance from the center positions of the four positioning points of the first screen plate to the center line of the thin-grid outer frame line respectively; b, measuring the vertical distance from the center positions of the four positioning points of a second screen plate to the center line of the thin-grid outer frame line respectively in the same way; c, judging whether the X-axis and Y-axis offset distance of the second screen plate is within the required range of the overlay accuracy; and d, cross-connecting the four positioning points of the first screen plate to form a horizontal line and a vertical line, and measuring the parallelism or perpendicularity between a horizontal line or vertical line and the center line of corresponding outer frame line; measuring the parallelism or perpendicularity of the second screen plate in the same way; and obtaining the offset of the screen plate rotation position according to the difference between the two parallelisms or perpendicularities. According to the invention, the problem of X-axis and Y-axis offset of the sizes of two screen plates is solved, and angular offset caused by the rotation of the whole screen plate is avoided.

The invention discloses a soil moisture measuring method and measuring equipment. The invention relates to the technical field of soil detection. Two cross rods are symmetrically arranged outside thedetection rod; one end of the cross rod is movably clamped in a strip-shaped groove formed in the annular wall of the detection rod up and down; the other end of the cross rod is fixed at the upper end of the connecting rod, the lower end of the connecting rod is fixed on the top wall of the screw rod, an imbedding hole is clamped in the screw rod, the detection end is movably arranged in the imbedding hole, a threaded notch is formed in the outer ring wall of the screw rod, and the lower end of the screw rod is of a conical head structure; and the outer diameter of the screw rod is greater than that of the detection rod. The detection rod can be inserted while digging soil, the problem that the detection rod is damaged by hard objects such as gravels in the soil in the insertion process is avoided, the detection rod is effectively protected, and meanwhile the detection time and the detection procedure can be saved.

The invention discloses a lifting device for a large compartment of a refitted vehicle. The device comprises a base, two brackets and an electric slide rail, wherein the two brackets are fixedly connected to both sides of the top of the base, and the electric slide rail is fixedly connected to the tops of the two brackets; a slider is slidably connected to the bottom of the electric slide rail, and a crane is fixedly connected to the bottom of the slider; an iron chain is wound around a drum inside the crane, and a fixing block is fixedly connected to the bottom of the iron chain; a hook is fixedly connected to the bottom of the fixing block, and reinforcing mechanisms are arranged on both sides of the fixing block; and each reinforcing mechanism comprises a clamping plate, a spring cylinder, a piston rod, and a suction cup. The suction cups of the reinforcing mechanisms are adsorbed to both ends of a workpiece to reinforce the workpiece, so that the swinging amplitude of the workpieceis reduced, and safety accidents are avoided. The height of the piston rod can be adjusted by a spring, so that the piston rod is suitable for different workpieces, and at the same time the spring can achieves a buffer function.

The invention discloses a tower crane capable of effectively relieving the failure of a moment limiter. The tower crane comprises a moment limiter body, a bottom rod, a top rod and a bottom frame, wherein the bottom end of the moment limiter body is connected with signal transmission lines, and the number of the signal transmission lines is two; and the bottom frame, a protective sleeve ring and the bottom rod are sequentially arranged on one side of the moment limiter body from top to bottom, and the top rod is arranged at the end, far away from the moment limiter body, of the bottom frame. According to the tower crane capable of effectively relieving the failure of the moment limiter, the situation that a switch is damaged due to over-large impact force can be avoided; meanwhile, the toprod can be detached, and therefore the situation that the angle of the top rod is deviated due to impact in the transportation process can be prevented; and magnetic rings are arranged, and thereforethe situation that the working of the moment limiter body is influenced by the external magnetic field can be avoided, the phenomenon that the moment limiter loses efficacy due to the influence of the magnetic field is avoided, and the practicability of the tower crane is improved.

The invention belongs to the technical field of shaft forge piece forging, and particularly relates to gearbox shaft forge piece machining equipment and a machining method thereof. The gearbox shaft forge piece machining equipment comprises a machining base, the machining base is provided with a thermal correction shaft forging piece lower die, an upper die fixing plate capable of doing reciprocating rectilinear motion in the vertical direction is arranged above the thermal correction shaft forging piece lower die, and a thermal correction shaft forging piece upper die is arranged at the bottom of the upper die fixing plate. Through the arrangement of a flash removal cutter, a cutter limiting plate and a rim charge blocking and communicating plate, the shaft forging piece is subjected to thermal correction, meanwhile, flash of the shaft forging piece is automatically cut off through the flash removal cutter, the forging time of the shaft forging piece is shortened, the mechanical performance of the shaft forging piece is improved, and the service life of the shaft forging piece is prolonged; and through moving the rim charge blocking and communicating plate, the flash on the edge blocking and communicating plate can enter a discharging groove, the flash is automatically discharged through the discharging groove, the flash does not need to be manually cleaned, operation is easy and convenient, and the automation degree and the production efficiency are high.

The invention discloses inclined hydraulic crushing pile driving equipment. The inclined hydraulic crushing pile driving equipment is composed of a hydraulic inserting plate and a construction device,wherein the hydraulic inserting plate is composed of a high-pressure water pump, a high-pressure water conveying hose, a plate-type side wall water pipe, a jet nozzle and an inserting plate, an outlet of the high-pressure water pump is connected with a top inlet of the plate-type side wall water pipe through the high-pressure water conveying hose, an upper hook claw which is horizontally hinged to the upper part of the plate-type side wall water pipe is arranged at the top of the inserting plate, the construction device is composed of supporting legs, an operation platform, a supporting platform and a hydraulic supporting arm, the operation platform and the supporting platform are correspondingly fixed to the upper parts of the supporting legs on both sides, the opposite ends of the supporting platform and the operation platform are correspondingly and rotatably connected with a rotatable support concrete plate platform and a limiting plate through a rotating shaft I and a rotating shaft II, and sliding grooves II are formed in the center positions of the opposite sides of the rotatable support concrete plate platform and the limiting plate. According to the inclined hydraulic crushing pile driving equipment and a construction process, the loss of the hydraulic inserting plate can be reduced, and the hydraulic inserting plate is prevented from damage and angle deviation, and is not subjected to special geological restrictions.

The embodiment of the invention discloses electronic equipment. The electronic equipment comprises a first main body and a second main body, and is further provided with a first connecting piece, a second connecting piece and a third connecting piece; the second main body is arranged in the first main body; the first connecting piece is connected with the first main body and the second main body in the first direction; the second connecting piece is connected with the first main body and the second main body in the second direction; and the third connecting piece is connected with the first main body and the second main body in the third direction. Wherein the third direction, the second direction and the first direction are perpendicular to one another, and the first connecting piece, the second connecting piece and the third connecting piece carry out rotation on the deviated angle when angle deviation of the second main body occurs, so that large angle deviation is prevented from occurring when the second main body is in an unstable motion environment, and the stability of the second main body in the unstable motion environment is improved.

The invention relates to a small cigarette packet side face shaping device. By adjusting the position relationship between an original CH cigarette packet beautifier device machine and a barrel packing machine, an input channel is in butt joint with an output port of the cigarette packet beautifier device machine, the electromechanically-combined small cigarette packet side face shaping device isadditionally arranged, an output channel is in butt joint with an input port of the barrel packing machine, then side face shaping can be conducted on a cigarette packet before barrel packing of the cigarette packet, and thus quality problems of folds, swirl marks and unevenness of transparent paper on the side face of the cigarette packet are solved; and the transparent paper wrapped in appearance of the cigarette packet is flat and beautiful, meanwhile, the situation that the quality of the cigarette packet in the product production process is guaranteed is continued, and the set of shapingdevice can ensure synchronous butt-joint of a transmission mechanism, the original CH cigarette packet beautifier device machine and a host of the barrel packing machine.

The invention discloses a multifunctional wireless antenna for a seismograph, and relates to the technical field of antennas. The rotating seat is rotationally mounted on the mounting base, and a hinge seat is fixedly mounted on the rotating seat; the first rotation driving mechanism is arranged on the mounting base and used for driving the rotating seat to rotate around the axis of the rotating seat; one end of the antenna is hinged to the hinge seat; and the second rotary driving mechanism is used for driving the antenna to rotate around the hinge seat so as to adjust the included angle between the antenna and the rotary seat. The invention further discloses an angle adjusting and positioning method of the multifunctional wireless antenna for the seismograph. When the antenna is used, the angle of the antenna can be adjusted according to the intensity of signals, and the use requirement of a seismograph is better met.

The inclined hydraulic crushing pile sinking equipment of the present invention is composed of a hydraulic inserting plate and a construction device. The outlet of the water pump is connected to the top inlet of the plate-shaped side wall water pipe through a high-pressure water delivery hose. The top of the inserting plate is provided with an upper hook claw that horizontally hinges the upper part of the plate-shaped side wall water pipe. The construction device consists of a supporting leg, an operating platform, The supporting platform and the hydraulic support arm are composed of an operating platform and a supporting platform fixed above the supporting legs on both sides, and the opposite ends of the supporting platform and the operating platform are respectively connected to a rotatable supporting concrete plate platform and a limiter through the rotating shaft I and the rotating shaft II. Position plate, the rotatable supporting concrete plate platform is provided with a chute II at the center of the side opposite to the limit plate. Inclined hydraulic crushing pile sinking equipment and construction technology can reduce the loss of hydraulic inserts, prevent hydraulic inserts from being damaged and produce angular offsets, and are not subject to special geological restrictions.

The invention relates to the technical field of knurling roller surface grinding machining, in particular to accurate knurling roller grinding equipment with the controllable angle and depth. Comprising a machining platform, a roller positioning and clamping mechanism, a displacement driving mechanism, a grinding mechanism and an embossing roller, the roller positioning and clamping mechanism is installed on the machining platform, strip-shaped patterns and point-shaped patterns which are densely distributed at intervals are arranged on the embossing roller, and the embossing machine further comprises a depth detection mechanism, a power-off protection mechanism and an angle detection locking mechanism. The displacement driving mechanism comprises a first horizontal driving assembly and a lifting driving assembly, the grinding mechanism comprises a rotating driving motor, a first rotating shaft and a grinding drill bit, and the top end of the grinding drill bit is detachably connected with the bottom end of the first rotating shaft. The equipment can accurately detect the grinding depth and the rotation angle of the knurling roller, can cut off the power of the grinding mechanism when the knurling roller rotates, locks the knurling roller and electrifies the grinding mechanism after rotation is completed, and can greatly reduce the rejection rate and improve the economic benefit while ensuring the grinding precision.

The invention discloses integrated circuit test equipment which structurally comprises an operation table, a box door, a protective plate and a test host, wherein the box door is installed on the front end face of the operation table, the protective plate is welded to the outer side of the upper end face of the operation table, and four corners of an integrated circuit board are firmly clamped by corner clamping plates through resilience force applied by springs in spring pipe sleeves; angle deviation of the integrated circuit board after the integrated circuit board is placed in the placing groove is avoided, the abutting pieces elastically abut against the periphery of the outer side of the integrated circuit board, the integrated circuit board is prevented from being damaged in the testing process, guide descending is conducted on the guide rod through the guide sleeve, the adjusting rod elastically buffers in the guide sleeve, a contact head abuts against the test point on the integrated circuit board, the conducting strip elastically deforms in the pipe sleeve, the conducting strip keeps conductivity in the elastic deformation process, and the test point on the integrated circuit board is prevented from being damaged.