29results about How to "High repeatability" patented technology

The utility model discloses transfer conveying equipment for resin anchoring agent production, which relates to the technical field of anchoring agent production and comprises a conveying frame, a plurality of conveying wheels are rotatably mounted on the conveying frame and are divided into an upper group and a lower group, the lower group of conveying wheels are densely distributed and form a bearing conveying structure, and the lower group of conveying wheels are arranged on the conveying frame. One group of conveying wheels at the upper part is positioned at the tail end of the conveying frame and is opposite to the other group of conveying wheels at the lower part, and a gap I for clamping a resin anchoring agent finished product is formed between the upper group of conveying wheels and the lower group of conveying wheels. The conditions of overall bending, head bending, end deformation or abrasion and the like of the section body due to the fact that an arc-shaped guide groove is directly used for applying force to the head end and the tail end of the section body are avoided, adverse effects on follow-up cutting operation are avoided, meanwhile, the quality problems of easy damage, leakage and the like caused by bending deformation are avoided, and the quality of a resin anchoring agent finished product is improved.

This invention provides a steelmaking feeding device and steelmaking equipment, relating to the field of steelmaking technology. It includes: a hoisting structure and a conveying structure distributed below the hoisting structure; the conveying structure includes a fixed plate, a slide rail, a drive trolley, and a receiving cavity; the fixed plate is distributed below the hoisting structure, the slide rail is fixed to the fixed plate at equal intervals, and the receiving cavity is distributed on one side of the drive trolley. The drive trolley drives the receiving cavity to slide on the slide rail, used to transport materials hoisted by the hoisting structure; a screen plate is fixed to the inner wall of the receiving cavity, dividing the inner cavity into upper and lower cavities. A compression structure is provided in the upper cavity, used to compress the material inside the receiving cavity. This invention optimizes the feeding process through automatic screening and step-by-step feeding, significantly improving efficiency and reducing energy consumption when combined with material compression transportation, and achieving precise and intelligent feeding operations through full-process automated control.

The invention relates to the technical field of precision detection, in particular to a precision detection device and a dynamic error compensation method.The device comprises a conveying mechanism, a turnover clamping mechanism, a jacking mechanism, a detection mechanism and a manipulator, and the conveying mechanism is used for conveying a to-be-detected product and a detected product; the overturning clamping mechanism clamps the product after the manipulator places the product to be detected on the jacking mechanism and drives the product to overturn around the central axis of the product in the detection process, so that the detection of the front and back surfaces is realized; the jacking mechanism is located below the overturning and clamping mechanism and used for providing bottom supporting when the product is clamped and descending to give way during overturning so as to keep the posture stable. The detection mechanism is located above the turnover clamping mechanism and can move in a reciprocating mode and conduct non-contact detection above the product; the manipulator is responsible for taking, placing and sorting, so that double-sided automatic detection of the to-be-detected product in the same station is realized, and the detection precision, the detection efficiency and the consistency of front and back detection results are remarkably improved.

The utility model discloses a kind of multi-axis layered linkage blade lever for small circuit breaker, comprising: lever body, it is the special-shaped plate member of integrated molding;Main pivot hole, the lever body can rotate around the main pivot hole;First lateral transmission column, for cooperating with circuit breaker handle or superior linkage member;Second lateral transmission column, set in the middle pivot area;Third lateral transmission column;Wherein, the first lateral transmission column, the second lateral transmission column and the third lateral transmission column are layered arrangement along the lever body height direction, and form stepped overhanging structure in the lever body thickness direction, so that handle linkage member, blade driving member and spring energy storage member can be respectively located in different movement level.This multi-axis layered linkage blade lever for small circuit breaker integrates multiple components on a special-shaped plate lever body, with the characteristics of high part integration, good assembly precision and small movement interference.

The present application relates to the technical field of optical fiber coupling clamping positioning calibration, and discloses a kind of optical fiber coupling clamping positioning calibration method, optical fiber or lens clamping positioning is calculated with standard calibration piece theoretical coupling target position;With grating calibration plate establishes pixel mapping, calculates spatial displacement deviation;Generation multi-degree-of-freedom adjustment instruction controls five degrees of freedom and monitors coupling efficiency;Adopt random parallel gradient descent algorithm closed loop iteration until coupling efficiency reaches threshold value.The whole process closed loop control from initial clamping to final alignment of the optical fiber coupling clamping positioning calibration method improves coupling efficiency and repeat accuracy, calculates theoretical coupling target position by standard piece turnover measurement, thereby eliminating the system deviation of clamp and optical path, and accurate mapping of pixel and physical size is established using grating calibration plate, image distortion influence is eliminated, visual deviation is converted into spatial displacement deviation after driving adjustment, blind search is avoided.

The invention relates to the technical field of dispensing equipment, and provides an automatic valve and glue changing device applied to dispensing equipment, comprising: a back plate main body, one side of which is provided with a back fixing plate, the other side of which is provided with a driving hinge, and which is internally provided with an air chamber and a movable push rod communicated by an air passage; a clamping hook clamped with the driving hinge is arranged on one side of the valve main body, an electromagnet is arranged on a mounting seat on the other side of the valve main body, and the bottom of the valve main body is connected with a runner; the cylinder fixing support is provided with a containing part, an adapter and a metal plate capable of being attracted by the electromagnet. The movable push rod can be driven by air pressure to push the drive hinge to stretch out and be clamped with the clamping hook, and therefore the valve body can be rapidly locked. The electromagnet can adsorb the metal plate to realize rapid combination of the rubber sleeve; the device has the characteristics of modular structure, reliable locking, quick replacement, good sealing performance and high integration level.

The application relates to the technical field of visual measurement, and discloses a high-precision visual measurement instrument system and method based on multi-sensor fusion, which comprises a visual acquisition module, an auxiliary measurement module, a motion positioning module, an environment state acquisition module, a built-in reference element and a data processing module. The data processing module acquires current characteristic data of the built-in reference element, compares the current characteristic data with standard characteristic data to obtain a current drift amount, corrects coordinate conversion parameters according to the current drift amount, adjusts a fusion weight, and then outputs a measurement result of a measured workpiece. The system can acquire the current characteristic data of the built-in reference element before, during or after the measurement of the measured workpiece, compare the current characteristic data with the standard characteristic data to obtain the current drift amount, and correct the coordinate conversion parameters according to the current drift amount, so that the measurement only depends on the initial calibration parameters is avoided, and the stability and the repeat precision of the measurement result are improved.

The present application relates to the technical field of machining, in particular to a clamp for machining the radial surface of a steam turbine blade by a four-axis machine tool; the driving disc is fixedly installed on the upper surface of a displacement base, and the displacement base is used for driving the driving disc to adjust the lifting; the driving disc is provided with a core expansion clamp used for internally expanding and positioning the shaft hole of the steam turbine blade. The radial driving assembly comprises a ring sleeve base, a worm drive, a plurality of rotating guide rods, a push head and a linkage rod. The ring sleeve clamp group is composed of a clamping ring, a split clamping petal and an abutment, the split clamping petal can be self-adapted to the outer periphery of the blade under the deformation of the clamping ring, and the surface of the abutment is provided with a flexible rubber pad to prevent surface damage. The bidirectional clamping structure combining internal expansion and external wrapping is used to realize high-precision positioning and stable clamping of the steam turbine blade, and the present application has the advantages of automatic adjustment, flexible wrapping and high repeat accuracy, and significantly improves the stability and processing efficiency of the four-axis machine tool processing.

The invention discloses a circuit board automatic measurement system and a circuit board automatic measurement method. The circuit board automatic measurement system comprises an image sensing device, a server host and a laser device, wherein the server host is electrically connected with the image sensing device and the laser device. The image sensing device is configured to shoot the circuit board to be measured to generate a measurement image. The laser device is configured to measure the thickness of the circuit board to be measured. The server host stores a reference image of the standard circuit board, and the server host is configured to compare the measurement image with the reference image to obtain a plurality of aperture differences. When any aperture difference does not conform to the aperture tolerance, the server host is configured to judge the circuit board to be detected as an unqualified circuit board; and when each aperture difference accords with the aperture tolerance, the server host is configured to judge the circuit board to be detected as a qualified circuit board.

The utility model relates to the technical field of coating machine and coating machine accessory, concretely relates to a die lip detection device, include: detection platform is used for along the first horizontal direction and places the die to carry out detection, drive assembly is set up on the detection platform, scanning piece is connected with the drive end of drive assembly, moves along the first horizontal direction by drive assembly drive, is used for the lip scanning imaging of die. The mode of the existing lip detection device through the clamp clamped at the lip of coating die, needs repeatedly dismounting when detecting, is time -consuming and labor -saving, and the problem of low production efficiency is solved.

This invention discloses a waterproof performance testing device for new energy vehicle electronic control boxes, relating to the field of new energy vehicle electronic control box testing technology. It solves the problems of existing technologies in testing the waterproof performance of automotive electronic control boxes, such as limited testing methods, inconvenient operation, and susceptibility to affecting test results and efficiency. The device includes a test base; a test chamber fixedly mounted on the test base, with a test seat located in the side port of the test chamber, and a water-filled test tank fixedly connected to the inner side of the test seat; a conveying device mounted on the test base for conveying the electronic control box to be tested to the test position within the test chamber; and a support device for supporting and placing the electronic control box. This invention's testing scheme eliminates the need for a separate, dedicated testing device, allows for convenient switching of testing methods, effectively reduces costs, minimizes operational interference with test results, improves the accuracy of test results, and is generally very convenient to operate.

The invention discloses a synchronous control system and method for a seaplane model water entry experiment, and the system comprises a central control module, a wave maker control module, a motor control module and a triggering and data collection module, and predicts the time delay [delta] t1 of a wave arriving at a target phase of an experiment water area based on real-time wave height data and a propagation model; dynamically calculating model release delay delta t2 by combining the real-time speed of the motor and the free falling body model; triggering release, shooting and acquisition in an accurate time sequence; and a multi-frame image sequence deep learning phase regression and increment Bayesian optimization method is innovatively adopted to construct a closed-loop error compensation mechanism, and subsequent experimental parameters are adaptively corrected. According to the invention, through unified scheduling of the central control module, microsecond-level time sequence synchronization (llt; and meanwhile, based on self-adaptive control and error compensation of position feedback, accurate experimental test is realized.

This application discloses a servo turntable assembly for a center-driven vertical injection molding machine and the vertical injection molding machine itself, belonging to the field of intelligent manufacturing equipment. It includes a mold base, an upper mold-closing base, a lower mold-closing base, a turntable, a turntable servo assembly, a mold-closing linkage assembly, a mold-closing servo assembly, and a mold-closing fine-tuning assembly. This application has the effects of reducing injection molding machine energy consumption, reducing pollution, and improving mold-closing accuracy.

The invention belongs to the technical field of vehicle door assembly, and provides a vehicle door assembly positioning tool which comprises a tool base, a positioning reference part, a supporting part, a limiting part and a pressing part. The positioning reference part is fixedly installed on the tool base and used for positioning and installing the tool base to the side wall of a vehicle body. The supporting part is fixedly installed on the tool base, and the supporting face of the supporting part is used for supporting the vehicle door hinge in the Z direction. The limiting component and the pressing component are connected to the corresponding operation handles through independent lever mechanisms and are movably arranged on the tool base. The limiting component is provided with a limiting face used for abutting against the automobile door in the X direction, and the pressing component is provided with a pressing face used for pressing the automobile door in the Y direction. The supporting face, the limiting face and the pressing face are configured to jointly position and fix the vehicle door in the X direction, the Y direction and the Z direction, and the lever mechanism is driven by manpower through an operation handle. Manual operation and installation are facilitated, and the assembling precision of the vehicle door can be guaranteed.

The utility model discloses a low-back-clearance Y-shaped rotary clamping module. The low-back-clearance Y-shaped rotary clamping module comprises a box body, a Y-shaped clamping jaw mechanism, a linear motion transmission assembly, a rotary motion transmission assembly, a clamping driving motor and a rotary driving motor, the Y-shaped clamping jaw mechanism comprises a jaw block supporting seat, a jaw block assembly and a push-pull head assembly, the jaw block supporting seat is rotatably connected to one end of the box body, the jaw block assembly is rotatably connected to the jaw block supporting seat, and one end of the push-pull head assembly is connected with the jaw block assembly; the linear motion transmission assembly is connected with the push-pull head assembly, and the rotary motion transmission assembly is connected with the claw block supporting seat; the clamping drive motor is connected with the linear motion transmission assembly, and the rotary drive motor is connected with the rotary motion transmission assembly. And a first position sensor capable of moving up and down for adjustment is arranged beside the Y-shaped clamping jaw mechanism on the box body. Compared with a pneumatic rotary clamping jaw, the rotary clamping module has the advantages of being good in stability, high in positioning precision, wide in force control range, low in energy consumption, high in response speed, long in service life and the like.

The invention discloses a connecting structure of an air inlet pipe in furnace tube type equipment and a fixing method of the connecting structure, and belongs to the technical field of pipe joint and pipe supporting, the connecting structure comprises a reaction cavity, an exhaust manifold arranged at the bottom of the reaction cavity and an air inlet pipe arranged in the reaction cavity, and further comprises an air inlet pipe fixing structure; the air inlet pipe fixing structure comprises an air outlet short pipe, a positioning ring and a clamping ring. A stepped cylindrical surface is arranged at the upper part of the air outlet short pipe; the positioning ring comprises a ring piece and a positioning column arranged on the ring piece; the clamping ring is of an annular structure with the span larger than 180 degrees. By means of the multi-point insertion matching design of the positioning columns and the positioning holes, accurate centering and powerful radial constraint of the air inlet pipe in the air outlet short pipe are achieved, and the possibility that the air inlet pipe shakes in the radial direction in the operation process is fundamentally eliminated. Due to the matching design of the arc-shaped clamping grooves and the protrusions, double mechanical locking in the axial direction and the circumferential direction is provided, the reliability is far better than that of traditional welding, and connection failure caused by thermal stress is completely eradicated.

The invention provides a machining method and device for a cross-flow fan with multiple sections of impellers connected in series. The machining method comprises the steps that at least four end plate blanks guaranteeing the parallelism of the upper face and the lower face are stacked and fixed to a tool plate; synchronously machining a rotating shaft center hole, a positioning pin hole and a directional reference surface corresponding to the axis of the impeller on the fixed end plate blank; the end plates are detached; a cross beam corresponding to each impeller unit is machined, and positioning pin holes in the two sides of the cross beam are machined on the basis that the parallelism of the butt joint plane is guaranteed; two end plates corresponding to a single impeller unit are positioned and placed on the datum planes of the two end plates, a coaxial tool penetrates through rotating shaft center holes of the two end plates, a cross beam is arranged between the two end plates and pre-fastened through screws, and positioning pin holes in the end plates and the cross beam are corrected and finely machined through a reamer; at least two impeller units are connected in series along the axis, and positioning and fixing are conducted at the butt joint positions of the adjacent impeller units. The cross-flow fan manufactured based on the method is small in vibration, low in noise and stable in operation, the product performance is substantially improved, and the service life is substantially prolonged.

This utility model relates to the field of coffee stand technology, specifically to a hand-drip coffee auxiliary stand with a quantitative water injection function. It includes a support plate, a water injection mechanism fixedly connected to the surface of the support plate, a water cup fixedly connected to the surface of the support plate, a first connecting pipe fixedly connected to the outside of the water cup, a water outlet pipe installed inside the first connecting pipe, a central rotating cylinder fixedly connected to the top of the first connecting pipe, an equilateral triangle set inside the central rotating cylinder, and a squeeze wheel fixedly connected to the corner of the equilateral triangle. The water outlet pipe is fitted to the left side of the interior of the central rotating cylinder. This utility model, through the cooperation of the support plate and the water injection mechanism, uses the equilateral triangle to drive the squeeze wheel to periodically squeeze the water outlet pipe, achieving precise quantitative water injection control. The water volume can be directly adjusted by rotating the handle, making operation intuitive and highly repeatable. The combination of a counterweight at the bottom of the support plate and a detachable support frame also ensures portability.

The application discloses a controllable automatic clamping hydraulic clamping device and a control method thereof, and belongs to the technical field of hydraulic clamping. The device comprises a clamping mechanism, a supporting mechanism, a driving mechanism, a pressing mechanism and a camera mechanism. The clamping mechanism clamps the workpiece through the cooperation of the clamping jaw A and the clamping jaw B; the driving mechanism adopts a servo motor to drive a lead screw, drives a movable seat to realize horizontal feeding, and realizes accurate positioning through an internal torque sensor; the pressing mechanism corrects the flatness of the surface of the workpiece through a cylinder-driven pressing plate; and the camera mechanism is used for collecting the image of the workpiece. The control method dynamically adjusts the pressing feeding amount by using a fuzzy PID controller through image preprocessing, feature point extraction and position deviation calculation, and combines historical data to perform adaptive optimization. The application realizes full automation and high-precision control of workpiece clamping, and effectively improves the machining quality and production efficiency.

This utility model discloses a high-speed X-ray inspection machine with dual-drive collaborative control, including a signal receiving device, a signal transmitting device arranged above the signal receiving device, and a product transmission line arranged between the signal receiving device and the signal transmitting device. The product transmission line includes two bases, a first transmission frame, a second transmission frame, a fixed frame, a translation drive mechanism, and a transmission drive mechanism. The two bases are arranged parallel and spaced apart, and each base has a straight slide rail arranged along its length on its top. This utility model, by employing a dual-motor drive, can provide stronger power, achieve faster scanning speed and inspection efficiency, and meet the rapid inspection needs in high-speed production lines, demonstrating strong practicality.

The invention relates to the technical field of semiconductor preparation, in particular to film cutting equipment and a film cutting method. The film cutting equipment provided by the invention comprises a base table, a fixed seat and a cutting mechanism, the cutting mechanism comprises cutter bodies in one-to-one correspondence with the side edges of the base plate, one end of each cutter body can rotate relative to the base table, automatic cutting of the thin film can be achieved by controlling the cutter bodies to rotate, and meanwhile compared with a cutting mode of a traditional manual vertical flat pressing cutter, the cutting efficiency is greatly improved. Each cutting point can extrude the edge of the substrate in the rotating process of the cutter body, the cutting force is more concentrated, and the traditional vertical cutting is changed into scraping cutting, so that the cutting is smoother, and the cutting precision is improved; meanwhile, burrs generated by cutting can be reduced, and damage to the edge of the film is reduced.

The utility model relates to engineering monitoring technical field especially relates to a kind of integrated installation device of array displacement meter and beidou surface displacement meter, including PVC pipe, array displacement sensor and vertical pole, wherein, the array displacement sensor coaxial setting is in the inside of the PVC pipe, its lower end passes through the lower end of the PVC pipe, and extend to the PVC plastic pipe of underground pre-buried;The vertical pole is sleeved in the outside of the PVC pipe, and with the detachable connection of the PVC pipe;The vertical pole upper end is fixed with screw rod, and the screw rod is used to fix beidou surface displacement meter, lower end is fixed with mounting base.The utility model aims to realize the integrated layout of beidou surface displacement meter and array deep displacement meter in same measuring point, same vertical axis, to improve the spatial consistency of monitoring data, effectively solve the problem, such as the data deviation of large, construction complex caused by equipment separation installation in existing installation mode.

The application belongs to the field of automatic feeding and provides an automatic feeding mechanism, which comprises a rack, a transmission assembly, a driving assembly, a track block and a transposition assembly. Compared with the prior art, the application has the advantages that the reciprocating movement of the single driving assembly can synchronously control the transmission assembly to push the workpiece out of the material conveying track, and the cooperation of the transposition assembly and the track block can automatically switch the clamping piece between the material receiving position and the transfer position. In particular, the abutment of the first limiting block and the positioning stop block effectively ensures the absolute stability of the clamping piece when the workpiece is pushed by the material shifting rod. The precise guidance of the track groove avoids the deviation and falling of the workpiece during the receiving and transposition process, greatly improves the accuracy of the feeding operation and the reliability of the equipment operation, the whole equipment action is coherent, and the multi-step operation can be completed without an additional power source, which significantly improves the automation degree and operation continuity of the workpiece feeding.

The utility model provides a stubble cleaning cutter feeder structure and welding equipment, and belongs to the field of stubble cleaning cutter machining. The stubble cleaning cutter feeder structure comprises a stock bin, a push-out mechanism and a guide plate. The stock bin is provided with a discharging port and further provided with a positioning side wall guiding the discharging port. The stock bin is suitable for storing at least one stubble cleaning cutter, and the stubble cleaning cutters are arranged on the positioning side wall in an overlapped mode. The pushing-out mechanism is provided with a pushing-ejecting piece, and the pushing-ejecting piece is suitable for moving in the preset direction so as to push out the stubble cleaning cutter attached to the positioning side wall from the discharging port along the positioning side wall. The guide plate is arranged at the position of the discharge port and is continuous with the positioning side wall, so that the stubble cleaning cutter moves to the guide plate along the positioning side wall; at least part of the guide plate is magnetic so as to attract and position the stubble cleaning cutter. By adopting the stubble cleaning cutter feeding machine structure of the scheme to feed, an operator is prevented from manually placing a stubble cleaning cutter into a processing position, and potential safety hazards are reduced; the labor intensity of an operator is reduced through automatic feeding, the efficiency is improved, and compared with manual feeding, the repeated precision is improved to a certain degree.

This invention discloses a carpet collecting device in the field of carpet production equipment technology, including a collecting rack, a swinging discharge device, a stacking device, and a lifting drive device. The swinging discharge device includes a discharge roller group with a discharge gap and a swinging drive mechanism for driving the discharge roller group to move back and forth reciprocally. The left and right stacking devices each include two stacking mechanisms arranged front and rear. The feeding rollers of the two stacking mechanisms move along feeding sections, thereby achieving intermittent feeding of the carpet material. The lifting drive device is used to drive the two stacking devices to move up and down. This carpet collecting device, through the back-and-forth feeding of the two stacking mechanisms combined with the back-and-forth swinging discharge of the swinging discharge device, enables carpets to be stacked in a zigzag pattern on the collecting rack. It features a high degree of automation, high repeatability of the folded edges of the carpets on the collecting rack, eliminates the need for manual alignment adjustments, and ensures high stability of the carpet stack shape, increasing the maximum stack height and significantly improving production efficiency.

This invention relates to the field of robot control technology, specifically to a robot assembly control method and system for green building material assembly. The method includes: acquiring connection feature point cloud data of installed green building material components within a target assembly area; calculating and generating a virtual assembly reference skeleton model of the target assembly area based on the connection feature point cloud data; determining the target spatial pose data of the green building blocks to be assembled based on the virtual assembly reference skeleton model and the component geometric parameters of the green building blocks to be assembled; and generating robot assembly execution instructions based on the target spatial pose data of the green building blocks to be assembled. This invention significantly improves the accuracy and reliability of automated assembly processes by acquiring connection feature point cloud data of installed components within the target assembly area and using a virtual assembly reference skeleton model to calculate the target spatial pose data of the green building blocks to be assembled.

This invention discloses a lubrication system device for oilfield pumping units, belonging to the field of lubrication technology. The device includes a lubrication control box and external lubrication pipelines. The lubrication control box houses a two-stage, multi-channel, separately controlled lubrication pump, comprising a rotary lubrication pump and multiple follow-up adjustable piston metering pumps. The rotary lubrication pump drives the piston sleeves of each metering pump in reciprocating motion. Each metering pump has a built-in independent oil volume adjustment mechanism for precisely setting the single-output oil volume at the corresponding lubrication point. Furthermore, each metering pump is directly driven by mechanical power without relying on pipeline back pressure. This invention avoids the pressure loss caused by the passive obstruction of adjustment in traditional distributors, ensuring that both high and low lubrication points receive the required pumping pressure and oil volume. Simultaneously, the metering pumps and rotary pumps maintain mechanical linkage, resulting in reliable operation and high repeatability, making it suitable for long-term continuous operation in oilfields.

This invention provides a spring compression testing device, belonging to the technical field of spring testing equipment. The device includes a compression fixture body, a guide and limiting assembly, and at least one radial limiting member. The compression fixture body is mounted on the lower clamp of the testing equipment and has an axial compression space inside. The top of the compression space has a limiting structure for compressing the spring. One end of the limiting assembly is fixedly connected to the upper clamp of the testing equipment, and the other end extends through the limiting structure into the compression space to limit the deformation of the spring under test radially. The radial limiting member is detachably mounted on the compression fixture body and extends into or through the compression space. The portion extending into the compression space is arranged on one side of the guide and limiting assembly to limit the swaying of the spring under test placed on the guide and limiting assembly radially. This invention primarily addresses the technical problems in the prior art where clamping is difficult, stability is poor, and spring bending is easily caused during compression testing of small-diameter, long springs.

The present application relates to the technical field of sensor calibration equipment, in particular to a large-range multi-component sensor calibration device and method, comprising a calibration table, a rotating table arranged inside the calibration table, force loading devices arranged on the left and right sides and directly above the rotating table, and a driver for adjusting the internal structure position of the force loading devices. The present application realizes full-automatic switching and accurate positioning of the sensor test direction through an integrated rotating and locking mechanism. The cylinder drives the moving disc, the rotating tube and the upper sensor are rotated 90° through the spiral slot, and the rigid locking is realized by the cooperation of the limiting rod and the positioning hole of the fixed cylinder. The multi-directional test in the traditional calibration, which needs to be manually disassembled, reassembled or uses multiple independent stations, is integrated into an automatic sequential action under one clamping.