100 results about "Life testing" patented technology

The invention relates to a dynamic adjust gyroscope life forecasting method based on gray model. By data collection of vibration effective value, random drift and environmental temperature parameter which are preprocessed using radial neural networks, influence of environmental temperature on vibration effective value and random drift is eliminated and random drift and effective value just related to time are obtained by subtracting drift constant value term, then trend term of vibration effective value and random drift are extracted by using wavelet transformation and gray model are built separately for their trend term. The smaller data in two values of life predicted of dynamic adjust gyroscope unless two predicted values exceeding performance parameter limitation when dynamic adjust gyroscope is considered losing effect. The invention uses performance parameter of life probative period of product to predict its life, showing discipline of performance parameter and life of dynamic adjust gyroscope. It is easy and convenient economical and reliable.

The utility model discloses a device for testing the service life of a gear motor, and particularly relates to the technical field of detection equipment, which comprises a torque sensor and an input transition seat. The torque sensor, the input transition seat and the load gear motor are all arranged on the workbench, the tested gear motor is fixedly installed at one end of the input transition seat, and an output shaft of the tested gear motor is fixedly connected with the input end of the input transition seat. The output end of the input transition seat is fixedly connected with the input end of a torque sensor through a first coupler, and the output end of the torque sensor is fixedly connected with a rotating shaft of a load gear motor through a second coupler. According to the utility model, the load gear motor and the input transition seat are arranged, the tested gear motor is fixed on the input transition seat and is powered by the tested gear motor, and the load gear motor is arranged at the tail end to serve as a load, so that the working environment of a conventional gear motor is simulated, and the service life of the gear motor can be conveniently tested after long-time operation of the gear motor.

The invention discloses a device for testing the service life of a disc spring under a special working condition, which belongs to the technical field of disc spring testing and comprises a base and a disc spring body, four testing cylinders and a testing lifting plate are sequentially arranged above the base, a limiting cover plate is arranged above each testing cylinder, a driving assembly and a fixing rod are arranged in each testing cylinder, and a liquid storage tank is fixed on the outer side wall of the base. By arranging the wave-shaped action grooves and the spraying channels which are alternately arranged, the driven pressing plate synchronously generates axial lifting motion during rotation so as to compress and release the disc spring body, acid mist is sprayed to the surface of the disc spring body through the spraying pipe, fatigue stress and a dynamic corrosion environment are synchronously applied in a single device, and the service life of the device is prolonged. Through cooperative use of the action gear and the adjusting assembly, when the rotating shaft is adjusted to rotate, the action gear generates a time sequence difference by using the notch to control the locking and unlocking states of the locking blocks with different heights in the fixed rod, so that sequential independent loading test of odd-numbered and even-numbered disc springs in the same disc spring group is realized.

The utility model provides a notebook computer rotating shaft service life testing machine. The notebook computer rotating shaft service life testing machine comprises a bottom plate, a torsion detection device, a swinging device, a clamping device and a clamping jig, the torsion detection device and the swinging device are distributed on the bottom plate left and right; the torsion detection device comprises a supporting plate, a torsion sensor and a connecting frame; the supporting plate is fixed on the bottom plate; the connecting frame is installed on the right side of the supporting plate through the torsion sensor. The clamping device is fixed to the connecting frame and used for clamping and fixing the clamping jig. The clamping jig comprises a lower clamping seat and an upper clamping plate; the upper clamping plate is locked on the lower clamping seat through a screw, and a fixing piece of a product is clamped and fixed between the upper clamping plate and the lower clamping seat; the swinging device comprises a rotary driving device, a swinging arm, a connecting block and two limiting columns; the rotation driving device is installed on the bottom plate, and the power output end is connected with one end of the swing arm and used for driving the swing arm to swing around the X axis. The connecting block is mounted on the left of the swing arm; and the two limiting columns are distributed and mounted on the connecting block up and down.

This application provides a method, apparatus, device, and storage medium for detecting the lifespan of an in-vehicle air conditioning filter. In the method for detecting the lifespan of an in-vehicle air conditioning filter, the lifespan factor of the filter can be determined based on the air quality of the vehicle's driving environment and the circulation mode of the vehicle's air conditioning system. Based on the duration of the air conditioning fan speed being less than or equal to a specified setting, the duration of the fan speed being greater than a specified setting, the lifespan factor, and the total lifespan of the filter, the remaining lifespan of the air conditioning filter is calculated. Based on the remaining lifespan of the filter, corresponding filter maintenance reminder information is output. This implementation method can calculate the remaining lifespan of the in-vehicle air conditioning filter, eliminating the need for vehicle maintenance personnel to assess the filter's lifespan, thus saving labor costs. Furthermore, it can remind passengers to maintain the filter in a timely manner based on the remaining lifespan, preventing harm to passengers' health due to decreased filter performance.

The present invention relates to the field of battery life testing technology, and more specifically, to a fuel cell life prediction method for hydrogen-powered drones. The method first acquires and segments monitoring data. Then, by analyzing the flight monitoring data from the perspectives of the drone's flight and fuel cell output, it extracts the power demand, output capacity coefficient, and output attenuation coefficient. This data is then integrated with historical influences to obtain a corrected attenuation coefficient. Finally, the life attenuation rate is calculated based on the overall power demand. This method addresses the issue of inaccurate fuel cell life predictions caused by flight state interference, thereby improving the safety of hydrogen-powered drones during flight.

The invention provides a SiC MOSFET DC power cycle accelerated life test system and method. The system comprises a DC power supply, a main power circuit, a conduction voltage drop measurement circuit and a controller. The main power circuit comprises N device sub-circuits which are connected in parallel, and each device sub-circuit is provided with a SiC MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor); the conduction voltage drop measuring circuit comprises N measuring sub-circuits which are respectively connected with the SiCMOSFETs of the N device sub-circuits; the measurement sub-circuit is used for measuring the conduction voltage drop of the SiC MOSFET when the connected device sub-circuit is switched on and the body diode voltage drop of the SiC MOSFET when the connected device sub-circuit is switched off in a preset cycle period; the controller is used for controlling the N device sub-circuits to be sequentially switched on within the power-on time, and only one device sub-circuit is switched on; and obtaining the body diode voltage drop sequence of the SiC MOSFET in the preset cycle period collected by each measurement sub-circuit, thereby determining the junction temperature sequence of the SiC MOSFET of each device sub-circuit. According to the invention, accelerated life tests of SiC MOSFETs under a plurality of different working conditions can be realized at the same time, and the test efficiency is improved.

This utility model discloses a comprehensive valve life testing device, belonging to the technical field of valve testing devices. The device includes a gantry frame, a base at the bottom of the gantry frame, a valve body to be tested at the top of the base, and a first half-box and a second half-box positioned opposite each other on the outside of the valve body. A fixing component is located on the top of the base, and a testing component is located on the top of the gantry frame. The fixing component includes a fixed shell fixedly connected to the top edge of the base, a first clamping unit located on the side of the fixed shell, and a second clamping unit positioned opposite each other on the outside of the fixed shell. The testing component includes a movable frame mounted on the top of the gantry frame, a sliding plate located on the top of the movable frame, a first displacement unit located between the sliding plate and the movable frame, and a commutator located on the side of the sliding plate. A second displacement unit is located between the movable frame and the gantry frame. This utility model, through its fixing and testing components, offers convenient operation and improves testing efficiency.

The invention relates to the technical field of sliding table testing, in particular to a three-axis sliding table automatic testing system and method, electronic equipment and a storage medium. The system has the advantages that the Python script is integrated with the mechanical sliding table control module, the image recognition module and the report generation module, full-closed-loop automatic testing from button pressing to result analysis is achieved, and manual operation errors are eliminated. Compared with a traditional manual method, the test efficiency is improved by more than 80%, the single test period is shortened from 8 seconds to 1.5 seconds, the method is particularly suitable for a ten thousand secondary service life test scene, the labor cost is remarkably reduced, full-process automation and test efficiency improvement are achieved, and the consistency of pressing actions is ensured by combining a dynamic G code generation technology with pressure sensor feedback; through the multi-scale SSIM algorithm and histogram equalization processing, the identification accuracy of 98% is still kept when the illumination change is + / -500 lux, the problem of misjudgment caused by ambient light interference in a traditional method is solved, and the high-precision control and environment anti-interference capability is improved.

The application discloses a semiconductor EPI process bulb life test device and a test method, and belongs to the technical field of fault prediction and health management, and comprises the following steps: collecting the resistance values of filaments in each bulb under different states through a resistance measurement module, acquiring an actual temperature change curve of the filaments, determining a nonlinear inflection point, and analyzing the aging characteristics of the filaments before and after the nonlinear inflection point; performing accelerated life test, adopting a double-voltage input cycle method to periodically load voltage on the filaments, and recording the resistance value change curves of the filaments under different voltage stress levels; and performing multidimensional test in cooperation with an execution device to simulate an actual use environment. In the technical scheme implementation process of the application, the resistance values of filaments in each bulb under different states are collected through the resistance measurement module, the temperature change curves of the filaments are acquired, then the nonlinear inflection point is determined, and the life is analyzed before and after the inflection point by using different methods, so that the current life of the bulb can be accurately acquired.

The present invention discloses bidirectional, variable-torque friction brake testing equipment and methods, comprising: a reverse drive assembly, a fixture for a test piece, a test assembly, and a forward drive assembly, all mounted axially in sequence on a base plate. The product under test is mounted within the fixture for the test piece via a bearing, the input shaft of the test piece is spline-connected to the input shaft of the fixture for the test piece, and the output shaft of the test piece is spline-connected to the output shaft of the fixture for the test piece. The present invention can be used to test the dynamic and static transmission characteristics and slip torque of the friction brake product under test at room temperature and pressure, as well as the transmission performance and slip torque of the friction brake product under test in thermal or vacuum environments. It can also be used for life testing of the friction brake product under test, among other applications.

The invention relates to the technical field of motor testing, in particular to a durability testing device for a permanent magnet type stepping motor, which comprises a testing machine, a driving piece, a piece to be tested, an electrical sensor and a grounding wire, the device is characterized by further comprising an electric measurement shielding shell, an electric isolation signal transmission shaft, a fixed plate, a bidirectional cam, an electromagnetic isolation assembly, an electric measurement signal transmission connection assembly and an electromagnetic damping type current discharge assembly, wherein the electric measurement shielding shell is fixed in the testing machine; according to the invention, the electric measurement shielding housing, the electric isolation signal transmission shaft, the bidirectional cam, the electromagnetic isolation assembly, the electric measurement signal transmission connection assembly and the electromagnetic damping type current discharge assembly cooperate with each other; the problem of test result distortion caused by thermal attenuation, electrocorrosion and electromagnetic interference in the permanent magnet type stepping motor durability test in the prior art is solved, and the permanent magnet type stepping motor durability test device has the remarkable advantages of high precision, high reliability and long service life test.

This invention provides a method and system for life testing of a transmission mechanism in a vehicle reducer. The method includes: assembling the transmission mechanism under test with a braking mechanism; placing a load on a track, such that the load can be subjected to force by the braking mechanism in a braking state, wherein the load simulates a vehicle, and the load's velocity relative to the track along the track's extension direction is 0 when placed on the track; controlling the transmission mechanism under test to drive the braking mechanism to move, causing the braking mechanism to continuously switch between a braking state and a releasing state; collecting state data of the transmission mechanism under test when it drives the braking mechanism; and determining the lifespan of the transmission mechanism under test based on the state data. The method provided by this invention can relatively accurately simulate the actual working state of the transmission mechanism under test, obtain state data of the transmission mechanism under test, and, by analyzing the state data, can relatively accurately detect the lifespan of the transmission mechanism.

This utility model relates to the field of hydraulic oil testing technology for engineering machinery, specifically a hydraulic oil oxidation life testing device. The device includes a main body with an outer frame. An equipment cavity is formed inside the outer frame, and an oil tank is fixed to the bottom of the equipment cavity. In this utility model, during a circulation simulation process in a circulating pipeline, a plunger pump, in conjunction with this testing device, can simulate the operating conditions of engineering machinery equipment. Hydraulic oil oxidation durability tests are conducted under high temperature, high pressure, ventilation, and the presence of a Cu catalyst. By examining indicators such as changes in oil viscosity, increase in acid value, sludge formation, and remaining oxidation life, the device can monitor the performance change trend during oil degradation, comprehensively evaluate the oxidation durability of the hydraulic oil, predict the service life of the oil in the equipment, thereby reflecting the true lifespan of the oil, improving evaluation efficiency, and also enabling comparative experiments with multiple samples, which is more conducive to the screening of oil formulations.

1. Name of the product in this design: Combustion Controller Tester. 2. Purpose of this design: To test all performance parameters and lifespan of the controller. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

A method for conducting structural fatigue life testing of a bearing, in which a cam embedded in the bearing under test generates a rotational dynamic radial expansion and transmits the expansion through the bearing to a load collar compactly mounted on the periphery of the bearing, forcing the load collar to deform synchronously with the expansion, thereby applying, together with the cam, a rotational dynamic strain pressure load, mainly in the radial direction in both inward and outward directions, to the bearing, based on the elasticity of the load collar itself, as a test load for the structural fatigue life testing of the bearing. Based on the above method, the present invention also provides a holding mechanism that provides a rotation-resistant support for the load collar and a bearing rotation test rig capable of assembling the holding mechanism.

This invention relates to the field of shift lever flexibility and life testing technology, specifically to a shift lever flexibility and life testing device, including a testing robot, a base, a shift lever, and a testing platform. The base is placed on the testing platform, and the shift lever is hinged to the base. The testing robot is fixedly installed on the top of the shift lever. A locking device is bolted to the testing platform, comprising a lower mold mounted on the testing platform by screws, an upper mold cooperating with guide posts above the lower mold, motors mounted on both sides of the top wall of the upper mold by screws, a gear one fixedly installed at the motor output end, a housing threaded to both sides of the upper mold, a worm gear rotatably mounted on the upper part of the housing, a gear two fixedly mounted on the side of the worm gear near the upper mold, and a rotating shaft rotatably mounted on the lower part of the housing. This invention uses a worm gear mechanism to fix the upper and lower molds, preventing loosening, and utilizes the mold-closing mechanism to increase the force-bearing area on the shift lever base, enhancing the fixing effect.

The invention relates to the technical field of rotating shaft damping testing, and discloses a rotating shaft damping life testing machine. Comprising supporting legs, adjusting nuts in threaded connection with the surfaces of the supporting legs, a bottom plate arranged on the surfaces of the supporting legs in a sleeving mode, a supporting frame fixedly connected to the side wall of the bottom plate, a mounting assembly fixedly connected to the side wall of the supporting frame, a counting assembly fixedly connected to one side of the mounting assembly and a driving assembly fixedly connected to the other side of the mounting assembly. And the connecting assembly is fixedly connected to the surface of the counting assembly. The upper adjusting nut and the lower adjusting nut are arranged to be matched to adjust and lock the height, operation requirements of different testers are effectively met, the servo motor is adopted as a driving source, it is guaranteed that power output is stable and steering switching is rapid in the testing process, testing continuity and consistency are guaranteed, and testing efficiency is improved. A dense hole structure formed in the surface of the supporting plate can dredge and discharge friction scraps in time, so that the cleanliness of a test area is maintained, and cleaning and maintenance are facilitated.

The utility model discloses a lubricating grease service life testing device, which comprises a temperature control box and a grease service life testing mechanism, the grease service life testing mechanism is arranged in the temperature control box, the grease service life testing mechanism comprises a driving piece, a first gear, a second gear and a load assembly, the driving piece is in transmission connection with the first gear, and the second gear is in transmission connection with the load assembly. The first gear is meshed with the second gear, and the load assembly is installed on the second gear. Through friction meshing of the first gear and the second gear, the service state of lubricating grease in actual operation can be simulated, and accelerated aging conditions under actual working conditions can be simulated through applying a load by the load assembly, providing a preset temperature by the temperature control box and adjusting the rotating speed by the driving piece; therefore, the time required by traditional long-term whole machine testing can be greatly shortened, the evaluation efficiency can be improved, and the requirement for rapid model selection in product development can be met.

The utility model relates to the technical field of battery life testing devices, and particularly discloses an integrated lithium ion battery cycle life acceleration testing platform, which comprises an integrated cabinet, supporting plates are uniformly and fixedly arranged on the integrated cabinet, charging relay groups are uniformly and fixedly arranged on the integrated cabinet, and the charging relay groups are connected with the integrated cabinet. Discharging relay sets, a charging power source and a storage battery are evenly and fixedly installed on the integrated cabinet, an aluminum oxide ceramic battery box is fixedly installed on the supporting plate, positive columns are evenly and fixedly installed on the aluminum oxide ceramic battery box, and a battery box is fixedly installed on the aluminum oxide ceramic battery box. Cathode springs are uniformly and fixedly mounted on the aluminum oxide ceramic battery box, charging indicating lamps are uniformly and fixedly mounted on the integrated cabinet, and discharging indicating lamps are uniformly and fixedly mounted on the integrated cabinet; and the result of the conventional multiplying power test is deduced by using the high multiplying power test, so that the effect of greatly shortening the test period of the loop test is achieved.

This invention relates to the field of reliability assessment technology for electric vehicle charging equipment, specifically disclosing a method for predicting the lifespan of charging connectors by integrating accelerated life testing and field data. The method includes: constructing a laboratory lifespan dataset and a field dataset; preprocessing the two types of data and converting the laboratory degradation time into equivalent field usage time using an acceleration factor model; pre-training a priori lifespan inference model using the preprocessed laboratory data, synthetic data, and the mapped equivalent field time; inputting historical data of the target device into the priori lifespan inference model and directly outputting the lifespan prediction result; and using the lifespan prediction result for operation and maintenance decisions. This invention uses laboratory accelerated life testing as the main data source, combines a small amount of field data, and can infer lifespan status without field training. It can model the lifespan degradation of key components of charging guns under complex operating conditions, predict remaining lifespan, and assess failure risk.

This invention relates to the field of pipeline life testing, specifically to a multi-station rapid fatigue life testing device for corrugated pipe compensators. The device includes a testing base with a base plate slidably connected to it. A fixing structure is mounted on the testing base, and a testing frame is fixedly mounted on the testing base. Multiple visual sensors are mounted on the testing frame, and a hydraulic telescopic rod is mounted on the testing frame. This invention uses the fixing structure to center and fix the compensator at the bottom. When the hydraulic telescopic rod operates, and the pressing plate applies pressure to the compensator under the drive of the hydraulic telescopic rod, the pushing component drives the positioning block to extend from the rectangular groove and abut against the upper flange of the compensator in the middle, thereby achieving stable positioning of the compensator. This positioning and fixing method, using both upper and lower components, prevents displacement during testing and ensures the accuracy of the test data.

This invention belongs to the field of automotive electronics reliability testing technology, and relates to a method and apparatus for accelerated life testing of controllers based on multi-stress coupling. The method includes: selecting an on-board electronic controller sample and performing performance testing; determining the core failure mechanism and stress limit boundary; constructing a multi-stress coupling life conversion model; designing a cyclic accelerated test profile; setting the test condition parameters of the on-board electronic controller sample; conducting accelerated life testing based on the cyclic accelerated test profile; determining the failure state of the on-board electronic controller sample according to multi-level failure criteria; solving the life conversion model using the failure data corresponding to the failure state; inputting the target operating condition parameters into the solved life conversion model; and calculating the corresponding actual service life according to a preset reliability target. This invention addresses industry pain points such as low life prediction accuracy, incomplete failure identification, and high verification costs for complex on-board electronic systems like smart cockpits throughout their entire lifecycle.

The invention provides a thin-wall sandwich structure thermal and force impact test piece and a processing method thereof, and is mainly used for solving the technical problems that an existing box-shaped simulation test piece is large in heat conduction volume, a test area is not concentrated, and a temperature field of a real product cannot be well reproduced. The thin-wall sandwich structure thermal and force impact test piece can be used for screening of a thin-wall sandwich structure design scheme and strength and service life test examination verification, and has the characteristics of low cost, easiness in processing, easiness in assembly and disassembly and high safety. According to the thin-wall sandwich structure thermal and force impact test piece machining method, the center body and the input end and the output end at the two ends are separately machined, and finally the input end and the output end are welded to the two ends of the center body. A step-by-step process is adopted for the center body, and independent machining of a supporting brazing part and a test brazing part of the center body, brazing connection of the supporting brazing part and the test brazing part, profile machining, electroplating, heat treatment, boring and shape modification are sequentially completed.

This utility model discloses a roller life testing machine, including a base truss, a load applying component, a drive component, and a pressure releasing and unloading component. A lever arm is provided on the base truss. The drive component includes a drive motor A and a guide wheel. The load applying component includes a roller clamping mechanism, a pressure applying mechanism, a pressure sensor, and a mounting box. The pressure applying mechanism applies pressure to the roller clamping mechanism, allowing the roller clamped by the roller clamping mechanism to abut against the guide wheel to form a rolling friction pair. The pressure sensor is located between the roller clamping mechanism and the pressure applying mechanism. A controller is provided on the lever arm, and the pressure sensor is signal-connected to the controller. This roller life testing machine, with its specific structure, can infinitely pressurize the roller. During the pressurization process, the pressure is displayed in real time on the controller's display screen via the pressure sensor, achieving precise pressure control. Furthermore, the load pressure adjustment operation is simple and quick, and it is less likely to cause workplace injuries.

This utility model discloses a rotary joint service life testing device; belonging to the technical field of joint testing devices; its key technical features include a test chamber, the top of which is hinged with an L-shaped flip cover, and a control panel installed on the outside of the test chamber. This utility model, by setting a second clamping mechanism, uses a second motor to drive the first gear to rotate, thereby driving the outer and inner gear rings to rotate. The rotation of the inner gear ring drives multiple second gears to rotate synchronously, thereby driving multiple bidirectional lead screws to rotate synchronously. The rotation of the bidirectional lead screws causes two sliding sleeves to move relative to each other, and through the cooperation of push rods, drives the clamping plates to move towards the central axis, so that multiple sets of clamping plates move towards the central axis simultaneously, clamping the test joint. This greatly shortens the single clamping time and ensures that the axis of the test joint coincides with the rotation center, avoiding eccentric loads during high-speed rotation testing.

The utility model provides safety valve service life detection equipment, which belongs to the technical field of valve detection equipment and comprises a base and a shell at the top of the base, a pressure reducing valve connected with an external air source is arranged on one side of the shell, a through groove is formed in one side of the shell, a key bottom plate is arranged in the through groove, and a key plate is arranged on one side of the key bottom plate. A plurality of groups of flowmeters are arranged on the button plate, a plurality of groups of pressure sensors corresponding to the plurality of groups of flowmeters are arranged on the other side of the button plate, a clamp assembly used for placing a valve to be detected is arranged on the top of the base, gas pressure can be monitored in real time through the pressure sensors, and gas flow information can be synchronously measured through the flowmeters. When the safety valve fails in the service life detection process, detection personnel can obtain the failure information of the safety valve at the first time, and the problem that the traditional detection equipment cannot obtain the failure information of the safety valve at the first time due to separation of detection links is solved.

The present invention relates to an integrated machine for measuring roller wear and fatigue life under complex working conditions, and belongs to the field of mechanical design and manufacturing. It includes a test core component, a loading system, a transmission system, and a data acquisition system; the test core component is a core mechanism for realizing four-line contact testing of the test roller, and the oil tank supplies oil and lubrication to the test core component; the electric cylinder is installed on the upper part of the upper bracket and connected to the test core component to realize test loading; the motor is connected to drive the test core component through the transmission mechanism to realize roller wear fatigue life testing under complex working conditions. The present invention can test four-line equal load contact, and can realize the test of wear life and fatigue life of bearing rollers of different sizes and different materials under different speeds, different loads, and different lubricating oil working conditions, providing a reliable basis for the wear failure of bearing rollers affected by factors such as material properties, manufacturing processes, geometric properties, and specific working conditions, better analyzing the failure causes of bearing rollers, and improving the reliability of their service life.

1. Name of the design product: high-accelerated life testing machine (large). 2. Use of the design product: the equipment for applying high temperature, high humidity, high pressure and other environmental conditions to electronic components, integrated circuits and other products to conduct reliability tests. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

This invention provides an additive manufacturing scraper life testing device, system, and method. The device includes a base plate, a first lifting track structure, a second lifting track structure, a drive system, a connecting plate, a clamping mechanism, a nozzle, a substrate, a pressure sensor, a lifting structure, a camera bracket, and a camera. The first and second lifting track structures are mounted on opposite sides of the base plate, capable of vertical lifting and lowering, and equipped with horizontally movable components. One end of the connecting plate is connected to the movable component of the first lifting track structure, and the other end is connected to the movable component of the second lifting track structure. The drive system is connected to both the first and second lifting track structures. The top of the clamping mechanism is fixed to the lower surface of the connecting plate, and the scraper to be tested is fixed below the clamping mechanism. The lifting structure is located on one side of the base plate. The top of the substrate has a protrusion and is mounted on the lifting structure. The pressure sensor is positioned between the substrate and the lifting structure. This invention offers higher testing accuracy.