Pedalling fatigue testing device

Abstract

The embodiment of the application discloses a kind of tread fatigue test devices, tread fatigue test device includes: rack;Tread simulation component, set in rack, tread simulation component includes first driving mechanism and the artificial foot mould that can rotate relative to first driving mechanism, artificial foot mould is rotatably connected with the output end of first driving mechanism, and can be driven by first driving mechanism relative to rack and carry out vertical direction tread action;Sample bearing component, for fixing sample to be treaded;Friction simulation component, set in rack, friction simulation component includes second driving mechanism and bottom plate, sample bearing component is set on bottom plate, bottom plate is drivingly connected with second driving mechanism, and can be driven by second driving mechanism relative to rack and move horizontally.

Description

Technical Field

[0001] This application relates to the field of fatigue testing technology, and in particular to a trampling fatigue testing device. Background Technology

[0002] Artificial turf is subjected to frequent trampling, impact, and friction in sports venues and other places, and its fatigue resistance directly affects its safety and lifespan. Currently, the testing devices used in laboratories to evaluate the performance of artificial turf are mostly simple vertical impact devices, which have a very limited function.

[0003] Because the testing device can only simulate a single vertical force and cannot reproduce the complex horizontal relative sliding between the foot and the artificial turf during vertical stepping, the simulation capability of this testing device is insufficient. As a result, the test cannot truly reflect the comprehensive stress that the artificial turf bears in actual use, and the test results have a weak correlation with the actual wear and tear of the field, resulting in low reliability of the testing device. Utility Model Content

[0004] This application discloses a trampling fatigue testing device that can reproduce complex motion postures such as turning and sudden stopping, thereby improving the accuracy and reliability of the test results. This application provides a trampling fatigue testing device, the trampling fatigue testing device comprising: frame; A stomping simulation component is disposed on the frame. The stomping simulation component includes a first drive mechanism and an artificial foot mold that can rotate relative to the first drive mechanism. The artificial foot mold is rotatably connected to the output end of the first drive mechanism and can perform a vertical stomping action relative to the frame under the drive of the first drive mechanism. Sample support assembly, used to secure the sample to be stepped on; A friction simulation component is disposed on the frame. The friction simulation component includes a second drive mechanism and a base plate. The sample carrying component is disposed on the base plate. The base plate is connected to the second drive mechanism and can move horizontally relative to the frame under the drive of the second drive mechanism.

[0005] In one possible implementation, the trampling fatigue testing device further includes: A control device is electrically connected to the first drive mechanism and the second drive mechanism respectively via wiring.

[0006] In one possible implementation, the trampling simulation component further includes: A rotating platform is rotatably connected to the output end of the first drive mechanism via bearings, and the artificial foot mold is located below the rotating platform; A rotary drive component is mounted on the frame, and the output end of the rotary drive component is connected to the rotary platform via a transmission connection. The first driving mechanism is used to drive the rotating platform and the artificial foot mold to perform a vertical stepping action, and the rotating drive component is used to drive the rotating platform to rotate relative to the output end of the first driving mechanism, thereby causing the artificial foot mold to rotate around the vertical axis to the target angle.

[0007] In one possible implementation, the trampling simulation component further includes: A weight support plate is fixedly installed below the rotating platform, and an artificial foot mold is fixedly installed below the weight support plate. The weight support plate is used to support replaceable weights.

[0008] In one possible implementation, the trampling fatigue testing device further includes: A speed sensor is electrically connected to the control device. The speed sensor is used to detect the motion speed value of the output end of the first drive mechanism and transmit it to the control device so that the control device can control the impact speed of the artificial foot mold on the sample to be stepped on to reach the target stepping speed.

[0009] In one possible implementation, the trampling fatigue testing device further includes: A displacement sensor is electrically connected to the control device. The displacement sensor is used to detect the horizontal displacement value of the base plate and transmit it to the control device, so that the control device controls the operation of the second drive mechanism according to the horizontal displacement value, so that the base plate moves the target displacement amount within a preset time period.

[0010] In one possible implementation, the fatigue testing device further includes a deformation sensor electrically connected to the control device. The deformation sensor is used to detect the deformation data of the sample to be stepped on during the test and transmit it to the control device so that the control device can monitor and record the fatigue state of the sample to be stepped on.

[0011] In one possible implementation, the friction simulation component further includes: a guide rail that slides with the base plate, and a second drive mechanism connected to the base plate to drive the base plate to reciprocate along the guide rail.

[0012] In one possible implementation, the artificial foot mold is provided with a magnetic attachment for detachable connection with footwear.

[0013] In one possible implementation, the sample carrier component: The support plate is used to support the sample to be stepped on; Fasteners are provided on the support plate, and the fasteners are used to fix the sample to be stepped on to the support plate.

[0014] The trampling fatigue testing device provided in this embodiment can more realistically simulate the combined stress state of the sample under actual use through the synergistic effect of vertical stepping, horizontal friction, and rotation angle. The adjustable speed of the first drive mechanism allows the artificial foot mold to simulate the impact load on the sample under different motion intensities. The rotation function of the artificial foot mold can adjust the stepping angle according to the test requirements. The horizontal movement of the friction simulation component enables controllable friction simulation. The synergistic work of the above components makes the test conditions more consistent with the real-world usage scenario of the sample under trampling, thereby improving the accuracy and reliability of the trampling fatigue testing device in assessing the fatigue resistance of the sample under trampling.

[0015] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is one of the structural schematic diagrams of a trampling fatigue testing device provided in an embodiment of this application; Figure 2 This is a second schematic diagram of a trampling fatigue testing device provided in an embodiment of this application; Figure 3 This is the third schematic diagram of a trampling fatigue testing device provided in the embodiments of this application.

[0018] Explanation of reference numerals in the attached figures: 1000-Trampling fatigue testing device; 10-Frame; 101-Base; 102-Support frame; 1021-Drive support plate; 1022-Column; 20-Trampling simulation component; 201-First drive mechanism; 202-Artificial foot mold; 203-Rotating platform; 204-Rotating drive component; 205-Weight support plate; 30-Sample bearing component; 301-Bearing plate; 302-Fastener; 40-Friction simulation component; 401-Base plate; 402-Second drive mechanism; 403-Guide rail; 404-Slider; 50-Control device; A-Sample to be trampled; B-Weight Detailed Implementation The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0019] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0020] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0021] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0022] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0023] like Figures 1 to 3 As shown in the figure, this application provides a trampling fatigue testing device 1000, which includes a frame 10, a trampling simulation component 20, a sample bearing component 30, and a friction simulation component 40.

[0024] The frame 10 serves as the support structure for the foot fatigue testing device 1000. The frame 10 can be constructed from welded metal profiles, such as square steel or aluminum profiles, and its bottom can be equipped with leveling feet to adapt to different ground conditions. The frame 10 provides mechanical support for other components, ensuring the relative stability of the components during testing.

[0025] The pedaling simulation component 20 is mounted on the frame 10. The pedaling simulation component 20 includes a first drive mechanism 201 and an artificial foot mold 202. The first drive mechanism 201 provides vertical driving force and can employ linear actuators such as servo cylinders, electric cylinders, or hydraulic cylinders. Taking a servo electric cylinder as an example, its output speed can reach 0.1... Adjustable within a range of 5m / s to simulate pedaling speeds in different motion states such as walking, running, and jumping.

[0026] A rotary connection structure can be provided between the artificial foot mold 202 and the output end of the first drive mechanism 201. This rotary connection structure may include a bearing assembly, enabling the artificial foot mold 202 to rotate about a vertical axis while bearing a vertical load. The rotary connection structure may also include a coupling, ensuring both the rigidity of the vertical power transmission and preserving the degree of freedom of rotation of the artificial foot mold 202 about its axis.

[0027] The rotation of the artificial foot mold 202 can be achieved through a drive mechanism. The drive mechanism may include a rotary drive component 204 mounted on the frame 10, connected to the artificial foot mold 202 via a transmission mechanism. The rotary drive component 204 may be a servo motor or a stepper motor, connected to the mounting shaft of the artificial foot mold 202 via a reducer. The rotation angle can be infinitely adjusted within the range of 0 to 360 degrees, and the positioning accuracy can reach ±0.5 degrees.

[0028] The rotation of the artificial foot mold 202 can also be achieved manually. In the manual adjustment embodiment, an angle adjustment mechanism can be provided on the outside of the mounting shaft of the artificial foot mold 202. The angle adjustment mechanism may include a graduated manual knob and a positioning pin. By rotating the manual knob, the artificial foot mold 202 can be driven to rotate to the desired angle, and then fixed by the positioning pin.

[0029] The sample support assembly 30 is used to fix the sample A to be stepped on. The sample A to be stepped on can be an artificial turf or other elastic ground material sample to be tested. The sample support assembly 30 may include a support plate 301 and a fastener 302. The fastener 302 may be in the form of a screw clamp, pneumatic gripper or magnetic clamp, etc., to accommodate samples A of different thicknesses and sizes to be stepped on.

[0030] The friction simulation component 40 is mounted on the frame 10. The friction simulation component 40 includes a second drive mechanism 402 and a base plate 401. The second drive mechanism 402 can employ a servo motor coupled with a ball screw, or a linear motor for direct drive, with an output accuracy controllable within ±0.1mm. The base plate 401 is connected to the frame 10 via a linear guide rail 403, forming a stable horizontal sliding pair. The sample carrying component 30 can be fixedly mounted on the upper surface of the base plate 401. When the second drive mechanism 402 operates, it drives the base plate 401 and the sample carrying component 30 to reciprocate horizontally. Thus, when the artificial foot mold 202 contacts the surface of the sample A to be stepped on, the horizontal movement of the base plate 401 enables relative sliding between the shoe and the surface of the sample A, simulating the friction generated between the shoe and the sample A during actual movement.

[0031] The workflow of the trampling fatigue testing device 1000 is as follows: First, the sample A to be trampled is installed on the sample bearing component 30 and fixed. Then, appropriate footwear is selected and installed on the artificial foot mold 202 according to the testing requirements. Test parameters, including trampling speed, trampling frequency, horizontal displacement, and number of cycles, are set through the control device 50. After the control device 50 starts the test program, the first drive mechanism 201 drives the artificial foot mold 202 to perform vertical trampling motion according to the trampling speed. When the artificial foot mold 202 contacts the sample A to be trampled and reaches the preset pressure, the second drive mechanism 402 is controlled to drive the base plate 401 to move horizontally, achieving a combined effect of trampling and friction. During the test, parameters such as trampling force, displacement, and deformation of the sample A to be trampled can be monitored by sensors, recorded, and analyzed to obtain reliable test data.

[0032] Thus, the trampling fatigue testing device 1000 provided in this embodiment, through the synergistic effect of vertical stepping, horizontal friction, and rotation angle, can more realistically simulate the combined stress state of the sample A to be stepped on in actual use. The adjustable speed of the first drive mechanism 201 allows the artificial foot mold 202 to simulate the impact load on the sample A to be stepped on under different motion intensities. The rotation function of the artificial foot mold 202 can adjust the stepping angle according to the test requirements. The horizontal movement of the friction simulation component 40 realizes controllable friction simulation. The synergistic work of the above components makes the test conditions more consistent with the real use scenario of the sample A to be stepped on, thereby improving the accuracy and reliability of the trampling fatigue testing device 1000 in evaluating the fatigue resistance performance of the sample A to be stepped on.

[0033] In some embodiments, such as Figure 2 As shown, the trampling fatigue testing device 1000 also includes a control device 50. The control device 50 is electrically connected to the first drive mechanism 201 and the second drive mechanism 402 via wiring.

[0034] The control device 50 can be one of a PLC controller, a motion control card, or an industrial computer. Taking a PLC controller as an example, it is connected to the drivers of the first drive mechanism 201 and the second drive mechanism 402 through a digital input / output module.

[0035] In some embodiments, such as Figure 3 As shown, the trampling fatigue testing device 1000 also includes a rotating platform 203 and a rotating drive component 204. The rotating platform 203 is rotatably connected to the output end of the first drive mechanism 201 via bearings, and the artificial foot mold 202 is located below the rotating platform 203. The rotating drive component 204 is disposed on the frame 10, and the output end of the rotating drive component 204 is connected to the rotating platform 203 for transmission.

[0036] Specifically, the rotary platform 203 can be connected to the output end of the first drive mechanism 201 via crossed roller bearings. This bearing configuration allows the rotary platform 203 to withstand vertical impact loads while also enabling smooth rotation about the vertical axis. The rotary platform 203 can be designed as a disc-shaped structure. The edges of the rotary platform 203 can be provided with toothed structures for meshing with the rotary drive component 204.

[0037] The rotary drive component 204 can be a servo motor or a stepper motor. The output shaft of the motor meshes with the toothed structure of the rotary platform 203 through a synchronous belt drive mechanism or a gear drive mechanism, thereby transmitting the rotational motion of the motor to the rotary platform 203.

[0038] The artificial foot mold 202 is fixedly connected to the lower surface of the rotating platform 203 through a connecting structure (which can be the weight support plate 205 in the following embodiment) so as to realize the synchronous movement of the artificial foot mold 202 and the rotating platform 203.

[0039] In some embodiments, such as Figures 1 to 3 As shown, the treading simulation component 20 also includes a weight support plate 205. The weight support plate 205 is fixedly installed below the rotating platform 203 via a flange structure and fastening bolts. The artificial foot mold 202 is also fixedly installed below the weight support plate 205 via a flange structure, forming a stable stacked structure.

[0040] The weight support plate 205 is used to support the replaceable weight B. The upper surface of the weight support plate 205 is provided with an array of positioning bosses, which mate with corresponding grooves on the bottom of the weight B to ensure the accurate installation position of the weight B. The weight B adopts a ring-shaped structure with a central opening, which can be sleeved on the outside of the positioning bosses and fixed by a pressure plate and a locking nut.

[0041] The edge of the weight support plate 205 is equipped with a scale to facilitate accurate configuration of the combined mass of weight B. By combining and using weights B of different specifications such as 1kg, 5kg, and 10kg, the pedaling load can be adjusted within the range of 50N to 1000N to simulate the pedaling force of athletes of different weights.

[0042] In this structural configuration, the first drive mechanism 201 drives the rotating platform 203, the weight support plate 205, the weight B, and the artificial foot mold 202 to perform a vertical stepping motion as a whole. Simultaneously, the rotation drive component 204 drives the rotating platform 203, the weight support plate 205, and the artificial foot mold 202 to rotate around the vertical axis. This linkage method ensures that all components maintain synchronous movement and uniform load distribution during the simulated composite motion, improving the accuracy and reliability of the test.

[0043] In some embodiments, the control device 50 is equipped with a parameter setting interface. The parameter setting interface is used to receive test parameters input by the user, including at least one of pedaling speed, pedaling pressure, horizontal displacement, and number of cycles. In addition, the parameter setting interface can also receive rotation angle parameters, used to set the target angle that the artificial foot mold 202 needs to rotate during the test. Specifically, the pedaling speed is adjustable from 0.1 m / s to 5 m / s to simulate different movement states such as walking, running, and jumping; the pedaling pressure is adjustable from 50 N to 1000 N, corresponding to athletes of different weights; and the number of cycles is set from 0 to 99999 times to meet the needs of long-term fatigue testing.

[0044] In some embodiments, the control device 50 further includes a motion combination program module. The motion combination program module pre-stores at least one motion combination program, such as a motion combination program that executes the actions of "vertical stepping—foot mold rotation—horizontal friction—jump impact—reset". According to the selected motion combination program, the control device 50 coordinates and controls the start / stop, speed, and position of the first drive mechanism 201, the second drive mechanism 402, and the rotary drive member 204 according to a preset timing logic, so that each component operates collaboratively in a preset sequence.

[0045] For example, the control parameters of the rotating drive 204 are integrated into the motion combination program. During the test, the control device 50 sends instructions to the rotating drive 204 at specific times according to the program settings, driving the artificial foot model 202 to rotate to the target angle. For example, after the vertical stepping action is completed and before the horizontal friction begins, the artificial foot model 202 is controlled to rotate 30° to 60° to simulate the combined mechanical action of an athlete turning on the grass.

[0046] In some embodiments, the control device 50 is also connected to a data monitoring display screen. The data monitoring display screen displays key parameters during the testing process in real time, including at least one of the following: current number of cycles, real-time stepping pressure, friction displacement, rotation angle, and sample deformation data. After the test is completed, the control device 50 stores the test data in internal memory or external storage device for subsequent analysis.

[0047] In some embodiments, the trampling fatigue testing device 1000 further includes a speed sensor. The speed sensor is electrically connected to the control device 50 and is disposed at the output end of the first drive mechanism 201, for real-time detection of the motion speed value at the output end of the first drive mechanism 201.

[0048] Specifically, the speed sensor can be selected from the differential output of a magnetostrictive displacement sensor, a rotary encoder combined with a lead screw for lead calculation, or a photoelectric speed sensor. The speed sensor transmits the detected real-time speed signal to the control device 50.

[0049] The control device 50 compares the received real-time speed value with the preset target stepping speed. Based on the comparison result, the control device 50 dynamically adjusts the control signal output to the first drive mechanism 201 through the built-in PID control algorithm, thereby realizing closed-loop control of the stepping impact speed of the artificial foot mold 202 on the sample A to be stepped on, so as to stabilize it at the target stepping speed.

[0050] In some embodiments, the trampling fatigue testing device 1000 further includes a displacement sensor. The displacement sensor is electrically connected to the control device 50 and is disposed on the base plate 401 for real-time detection of the horizontal displacement value of the base plate 401.

[0051] Specifically, the displacement sensor can be a linear encoder, magnetic encoder, or draw-wire encoder. The displacement sensor transmits the detected real-time horizontal displacement signal to the control device 50.

[0052] The control device 50 calculates the required motion control command based on the received real-time horizontal displacement value, the preset target displacement amount, and the preset duration. The motion control command is sent to the second drive mechanism 402 to drive the base plate 401 to move the set target displacement amount within a preset time, thereby controlling the friction stroke between the sample A to be stepped on and the shoe.

[0053] In some embodiments, the trampling fatigue testing device 1000 further includes a deformation sensor. The deformation sensor is electrically connected to the control device 50 and is disposed at the sample carrying assembly 30, for detecting the deformation data of the sample A to be trampled during the test.

[0054] Specifically, the deformation sensor can be a laser displacement sensor, a contact displacement probe, or a vision measurement system. The deformation sensor transmits the detected real-time deformation data (such as compression, rebound height, or surface indentation depth) to the control device 50.

[0055] The control device 50 receives and records these deformation data, and by analyzing the trend of deformation change with the number of test cycles, it monitors and quantifies the fatigue state of the sample A to be stepped on in real time, so as to accurately assess the durability of the sample A to be stepped on.

[0056] In some embodiments, such as Figures 1 to 3 As shown, the friction simulation assembly 40 also includes guide rails 403. There can be at least two guide rails 403, arranged parallel to each other. Each guide rail 403 is fixed to the base platform of the frame 10 by bolts. Multiple sliders 404 are installed at corresponding positions on the bottom of the base plate 401, and the sliders 404 form a sliding engagement with the guide rails 403.

[0057] The servo motor of the second drive mechanism 402 is directly connected to the ball screw via a coupling, and the ball screw nut is rigidly connected to the base plate 401. When the servo motor receives a command from the control device 50, it converts the rotational motion into linear motion of the base plate 401 through the ball screw nut mechanism, driving the base plate 401 to reciprocate along the guide rail 403. This structure ensures the stability and directional accuracy of the base plate 401 during high-speed reciprocating motion, providing a reliable motion reference for friction testing.

[0058] In some embodiments, the artificial foot mold 202 is provided with magnetic attractors. The magnetic attractors may be multiple neodymium iron boron permanent magnets embedded in the bottom of the artificial foot mold 202, and the magnetic attractors may be symmetrically distributed on the artificial foot mold 202.

[0059] Correspondingly, magnets can also be installed on the footwear. When the footwear approaches the artificial foot mold 202, the magnets and magnetic components can automatically align and adhere tightly under the action of magnetic force, ensuring that there is no relative displacement between the footwear and the artificial foot mold 202 during the test. This connection method enables quick replacement of the footwear while ensuring connection stability, improving testing efficiency and data reliability.

[0060] In some embodiments, such as Figures 1 to 3 As shown, the sample support assembly 30 includes a support plate 301 and a fastener 302. The support plate 301 is used to support the sample A to be stepped on. The fastener 302 is disposed on the support plate 301 and is used to fix the sample A to be stepped on to the support plate 301.

[0061] The support plate 301 may be provided with a positioning structure to facilitate accurate positioning of the sample A to be stepped on. The fastener 302 may include at least one of a screw clamp, a pneumatic clamp, or a magnetic clamp, and is provided along the edge of the support plate 301.

[0062] The support plate 301 can be fixedly connected to the base plate 401 by bolts to achieve quick installation and reliable fixation of the sample A to be stepped on.

[0063] In some embodiments, such as Figures 1 to 3 As shown, the frame 10 includes a base 101 and a support frame 102. The support frame 102 includes a column 1022 and a drive support plate 1021, with the drive support plate 1021 mounted on the base 101 via the column 1022. A first drive mechanism 201 is mounted on the drive support plate 1021, and a rotating platform 203 is rotatably connected to the underside of the drive support plate 1021 via a rotating assembly. A friction simulation assembly 40 is mounted on the base 101 and located below the rotating platform 203 and the artificial foot mold 202.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A trampling fatigue testing device (1000), characterized in that, The trampling fatigue testing device (1000) includes: Rack (10); A stomping simulation component (20) is disposed on the frame (10). The stomping simulation component (20) includes a first drive mechanism (201) and an artificial foot mold (202) that can rotate relative to the first drive mechanism (201). The artificial foot mold (202) is rotatably connected to the output end of the first drive mechanism (201) and can perform a vertical stomping action relative to the frame (10) under the drive of the first drive mechanism (201). Sample support assembly (30) is used to fix the sample (A) to be stepped on. Friction simulation component (40) is disposed on the frame (10). The friction simulation component (40) includes a second drive mechanism (402) and a base plate (401). The sample carrying component (30) is disposed on the base plate (401). The base plate (401) is connected to the second drive mechanism (402) and can move horizontally relative to the frame (10) under the drive of the second drive mechanism (402).

2. The trampling fatigue testing device (1000) according to claim 1, characterized in that, The trampling fatigue testing device (1000) also includes: The control device (50) is electrically connected to the first drive mechanism (201) and the second drive mechanism (402) respectively via lines.

3. The trampling fatigue testing device (1000) according to claim 2, characterized in that, The trampling simulation component (20) also includes: The rotating platform (203) is rotatably connected to the output end of the first drive mechanism (201) via bearings, and the artificial foot mold (202) is fixed relative to the rotating platform (203); A rotary drive (204) is disposed on the frame (10), and the output end of the rotary drive (204) is connected to the rotary platform (203) for transmission. The first driving mechanism (201) is used to drive the rotating platform (203) and the artificial foot mold (202) to perform a vertical stepping action, and the rotating drive component (204) is used to drive the rotating platform (203) to rotate relative to the output end of the first driving mechanism (201), thereby driving the artificial foot mold (202) to rotate around the vertical axis to the target angle.

4. The trampling fatigue testing device (1000) according to claim 3, characterized in that, The trampling simulation component (20) also includes: The weight support plate (205) is fixedly installed below the rotating platform (203), and the artificial foot mold (202) is fixedly installed below the weight support plate (205). The weight support plate (205) is used to carry replaceable weights (B).

5. The trampling fatigue testing device (1000) according to claim 2, characterized in that, The trampling fatigue testing device (1000) also includes: A speed sensor is electrically connected to the control device (50). The speed sensor is used to detect the motion speed value at the output end of the first drive mechanism (201) and transmit it to the control device (50) so that the control device (50) can control the artificial foot mold (202) to step on the sample to achieve the target stepping speed.

6. The trampling fatigue testing device (1000) according to claim 3, characterized in that, The trampling fatigue testing device (1000) also includes: A displacement sensor is electrically connected to the control device (50). The displacement sensor is used to detect the horizontal displacement value of the base plate (401) and transmit it to the control device (50) so that the control device (50) can control the operation of the second drive mechanism (402) according to the horizontal displacement value, so that the base plate (401) moves the target displacement amount within a preset time period.

7. The trampling fatigue testing device (1000) according to claim 2, characterized in that, The trampling fatigue testing device (1000) also includes: A deformation sensor is electrically connected to the control device (50). The deformation sensor is used to detect the deformation data of the sample to be stepped on during the test and transmit it to the control device (50) so that the control device (50) can monitor and record the fatigue state of the sample to be stepped on.

8. The trampling fatigue testing device (1000) according to any one of claims 1 to 7, characterized in that, The friction simulation component (40) also includes: The guide rail (403) is slidably engaged with the base plate (401), and the second drive mechanism (402) is connected to the base plate (401) to drive the base plate (401) to reciprocate along the guide rail (403).

9. The trampling fatigue testing device (1000) according to any one of claims 1 to 7, characterized in that, The artificial foot mold (202) is provided with a magnetic component, which is used for detachable connection with the shoe.

10. The trampling fatigue testing device (1000) according to any one of claims 1 to 7, characterized in that, The sample carrier component (30): The support plate (301) is used to support the sample to be stepped on; Fastener (302) is disposed on the support plate (301) and the fastener (302) is used to fix the sample to be stepped on to the support plate (301).

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