A device for testing the wear resistance of a sole of a sports shoe

Abstract

The present application relates to the technical field of sports shoes production, and particularly relates to a sports shoes sole wear resistance testing device, which has the technical scheme comprising a friction mechanism, the friction mechanism is used for providing a grinding surface required for sole wear, a loading mechanism is installed on the friction mechanism, and an extrusion mechanism is installed below the loading mechanism; the extrusion mechanism is used for driving the sole to be tested to perform a compound motion, a cooling mechanism is installed in the loading mechanism, the cooling mechanism is driven by the extrusion mechanism and is used for cooling the sole wear area. The present application has the advantages of simulating the compound motion of the sole when walking and actively cooling the sole wear area, and effectively solves the problems that the existing testing device is difficult to reproduce the actual walking working condition and lacks a cooling mechanism.

Description

Technical Field

[0001] This invention relates to the field of sports shoe manufacturing technology, specifically to a device for testing the abrasion resistance of sports shoe soles. Background Technology

[0002] In the research and development and quality control of athletic shoes, the abrasion resistance of the sole is one of the key indicators for evaluating its service life and user experience. To ensure that the abrasion resistance of the sole meets the requirements in actual walking and sports scenarios, it is necessary to simulate the friction process between the sole and the ground using professional testing equipment to quantitatively analyze its abrasion resistance. In existing technologies, the testing of sole abrasion resistance often uses a single friction device, such as a fixed grinding wheel or sandpaper disc, to test the wear of the sole.

[0003] However, during use, such devices cannot simultaneously simulate the combined motion of vertical compression and horizontal swing of the sole during walking, resulting in significant differences between the test scenario and actual walking conditions, thus limiting the reference value of the test results. At the same time, the sole is prone to changes in material properties due to heat generated during continuous friction, and existing devices lack an active cooling mechanism for the worn area, making it impossible to accurately reflect the wear resistance of the sole under real temperature conditions.

[0004] Therefore, there is an urgent need to develop a device for testing the abrasion resistance of athletic shoe soles to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a testing device for the abrasion resistance of athletic shoe soles, which has the advantages of simulating the complex motion of the sole during walking and actively cooling the worn areas of the sole, effectively solving the problems of existing testing devices that are difficult to reproduce actual walking conditions and lack a cooling mechanism.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a device for testing the abrasion resistance of athletic shoe soles, comprising a friction mechanism, wherein the friction mechanism is used to provide the grinding surface required for sole wear, a loading mechanism is mounted on the friction mechanism, and a compression mechanism is mounted below the loading mechanism; the compression mechanism is used to drive the sole to be tested to perform compound motion, and a cooling mechanism is installed inside the friction mechanism, wherein the cooling mechanism is driven by the compression mechanism and used to cool the wear area of ​​the sole.

[0007] Preferably, the extrusion mechanism includes a pressure plate, an adjustment component, and a connecting rod. The pressure plate is used to support the shoe sole body to be tested. The adjustment component is installed on the loading mechanism and is used to drive the pressure plate to achieve a composite motion of vertical reciprocating motion and horizontal swinging motion. One end of the connecting rod is slidably installed on the side of the pressure plate, and the other end is connected to the cooling mechanism to drive the cooling mechanism to move.

[0008] When the above technical solution is adopted, the effect of stable support of the shoe sole and simultaneous linkage between compound movement and cooling mechanism is achieved.

[0009] Preferably, the adjusting component includes a rotating shaft, a first cam, and a second cam. The rotating shaft is rotatably mounted on the loading mechanism. The first cam and the second cam are both fixedly sleeved on the rotating shaft and both are in contact with the top of the pressure plate. A first gear is fixedly mounted on the second cam. An end face gear is fixedly installed on the pressure plate, and the first gear meshes with the end face gear.

[0010] When the above technical solution is adopted, the effect of precisely driving compound motion is achieved by cooperating the first cam and the second cam with the end face gear.

[0011] Preferably, the cooling mechanism includes a transmission structure, a pressing airbag, and an air supply pipe. One end of the transmission structure is fixedly connected to the connecting rod of the squeezing mechanism, and the other end corresponds to the pressing airbag, which is used to squeeze the pressing airbag to generate airflow. One end of the air supply pipe is connected to the pressing airbag, and the other end extends to the friction mechanism, which is used to guide the airflow to the wear area of ​​the shoe sole.

[0012] When the above technical solution is adopted, the effect of directional airflow cooling the wear area is achieved.

[0013] Preferably, the transmission structure includes a movable rod, a first connecting rod, and a second connecting rod. The movable rod is vertically and movably inserted into the friction mechanism, and its top is fixedly connected to the connecting rod of the extrusion mechanism. The first connecting rod is rotatably installed in the friction mechanism through a positioning pin, and one end of the first connecting rod is provided with a second gear. Racks are provided at the bottom of both sides of the movable rod, and the second gear meshes with the racks. One end of the second connecting rod is rotatably connected to the end of the first connecting rod away from the movable rod, and the other end of the second connecting rod is movably positioned above the airbag through a limiting bracket.

[0014] When the above technical solution is adopted, the effect of stable transmission of motion is achieved to continuously compress the airbag and generate airflow is achieved.

[0015] Preferably, the extrusion mechanism further includes a mounting screw and a spring assembly. The mounting screw is threaded through the upper surface of the pressure plate and is used to detachably fix the shoe sole body to be tested. The spring assembly is mounted on the pressure plate inside the end face gear and is used to realize the reset of the pressure plate after horizontal swing. The end face gear has a semi-circular structure.

[0016] When the above technical solution is adopted, it achieves the effect of facilitating the disassembly and assembly of the shoe sole and ensuring accurate reset after the pressure plate swings.

[0017] Preferably, the cooling mechanism further includes a one-way air inlet valve, which is connected to the side of the pressing airbag and used to replenish gas into the pressing airbag; the friction mechanism is provided with an exhaust hole, and the end of the air supply pipe away from the pressing airbag is connected to the exhaust hole, and a one-way air outlet valve is provided in the exhaust hole.

[0018] When the above technical solution is adopted, it achieves the effect of ensuring continuous air replenishment of the airbag and that the airflow flows unidirectionally to the wear area.

[0019] Preferably, the friction mechanism includes a mounting frame, a transmission roller, and a friction belt. The transmission roller is rotatably mounted inside the mounting frame, and the friction belt is wound around the transmission roller to form a grinding surface required for providing wear on the shoe sole. A cavity is provided on one side of the mounting frame, a cover plate is mounted on the mounting frame and covers the cavity, a control panel is fixedly mounted on the cover plate, and an exhaust hole is opened on the mounting frame and communicates with the cavity.

[0020] When the above technical solution is adopted, the effects of forming a stable grinding surface, protecting internal components, and facilitating operation and control are achieved.

[0021] Preferably, the loading mechanism includes a top plate, a support frame, and a bearing frame. The top plate is fixedly installed on the mounting frame via the support frame. Two bearing frames are provided, which are fixedly installed on both sides of the bottom of the top plate to support the rotating shaft. A connecting column is elastically installed in the middle of the bottom of the top plate via an elastic member. A reserved groove is provided on the connecting column, and the rotating shaft passes through the reserved groove.

[0022] When the above technical solution is adopted, the effect of stable support for the extrusion mechanism and rapid reset through elastic connection is achieved.

[0023] Preferably, it also includes a drive mechanism, which includes a protective shell, a servo motor and a transmission assembly. The protective shell is fixedly installed on the side of the mounting bracket, and the servo motor is fixedly installed on the outside of the protective shell. The transmission assembly includes a drive wheel, a transmission belt, and a driven wheel. The drive wheel is fixedly connected to the output end of the servo motor and is keyed to the transmission roller. The driven wheel is fixedly sleeved on one end of the rotating shaft, and the transmission belt is wound between the drive wheel and the driven wheel.

[0024] When the above technical solution is adopted, the effect of synchronously driving the friction mechanism and the extrusion mechanism is achieved, ensuring the coordination and stability of the testing process.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows: This invention incorporates a friction mechanism, a loading mechanism, a compression mechanism, and a cooling mechanism. The friction mechanism provides the grinding surface required for sole wear, the loading mechanism provides installation space for the cooling mechanism, and the compression mechanism drives the sole under test to perform compound motion, accurately replicating the actual movement posture of the sole during walking, thus solving the problem that existing testing devices cannot reproduce actual walking conditions. Furthermore, the compression mechanism drives the cooling mechanism to actively cool the worn area of ​​the sole, addressing the lack of a cooling mechanism in existing testing devices. Ultimately, this invention achieves the advantages of simulating the compound motion of the sole during walking and actively cooling the worn area of ​​the sole. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure from one perspective of the present invention; Figure 2 This is a schematic diagram of the structure from another perspective of the present invention; Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a schematic diagram of the connection structure of the cooling mechanism of the present invention; Figure 5 This is a front view schematic diagram of the cooling mechanism of the present invention; Figure 6 For the present invention Figure 5 Enlarged structural diagram at point B; Figure 7 This is a schematic diagram of the extrusion mechanism of the present invention; Figure 8 This is a schematic diagram of the drive mechanism structure of the present invention; Figure 9 This is a schematic diagram of the loading mechanism structure of the present invention.

[0027] In the diagram: 1. Friction mechanism; 11. Mounting frame; 111. Cavity; 112. Cover plate; 113. Vent hole; 12. Friction belt; 13. Drive roller; 14. Control panel; 2. Loading mechanism; 21. Top plate; 211. Bearing frame; 212. Elastic component; 213. Connecting column; 2131. Reserved slot; 22. Support frame; 3. Extrusion mechanism; 31. Pressure plate; 311. End face gear; 312. Spring assembly; 313. Mounting screw; 314. Connecting rod; 32. Shoe sole body; 33. Adjustment group Components; 331, rotating shaft; 332, first cam; 333, second cam; 3331, first gear; 4, drive mechanism; 41, protective shell; 42, transmission assembly; 421, driven wheel; 422, transmission belt; 423, driving wheel; 43, servo motor; 5, cooling mechanism; 51, pressing airbag; 511, one-way air intake valve; 52, air supply pipe; 53, movable rod; 531, rack; 54, first connecting rod; 541, positioning pin; 542, second gear; 55, second connecting rod; 551, limit frame. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example 1: In order to fully simulate the compression and oscillation during walking and to cool down the sole in the abrasion resistance test of athletic shoe soles, such as... Figures 1 to 9 As shown, one embodiment of the present invention provides a sports shoe sole abrasion resistance testing device, including a friction mechanism 1, a loading mechanism 2, a pressing mechanism 3, and a cooling mechanism 5. The friction mechanism 1 is used to provide the grinding surface required for sole wear. The loading mechanism 2 is installed on the mounting frame 11 of the friction mechanism 1. The pressing mechanism 3 is installed below the support frame 211 of the loading mechanism 2. The cooling mechanism 5 is installed in the cavity 111 of the friction mechanism 1 and is linked to the pressing mechanism 3 by the connecting rod 314 of the pressing mechanism 3.

[0030] The friction mechanism 1 includes a mounting frame 11, a transmission roller 13, a friction belt 12, a cover plate 112, and a control panel 14. The transmission roller 13 is rotatably mounted inside the mounting frame 11 via bearings. There are two transmission rollers 13, located at both ends inside the mounting frame 11. The friction belt 12 is wound around the two transmission rollers 13 to form a closed grinding surface. The friction belt 12 can be replaced when it is worn out. A cavity 111 is integrally formed on one side of the mounting frame 11, and the opening of the cavity 111 is away from the friction mechanism 1. An exhaust hole 113 communicating with the cavity 111 is opened on the side wall of the mounting frame 11 near the friction belt 12. The exhaust hole 113 faces the contact area between the friction belt 12 and the shoe sole body 32. The cooling mechanism 5 is installed inside the cavity 111. The cover plate 112 is bolted to the opening of the cavity 111 of the mounting frame 11 and seals the cavity 111. The control panel 14 is fixedly mounted on the outer side of the cover plate 112 by screws, and the control panel 14 has a built-in circuit module for controlling the operation of the device.

[0031] The cooling mechanism 5 includes a movable rod 53, a first connecting rod 54, a second connecting rod 55, a pressing airbag 51, an air supply pipe 52, a one-way air inlet valve 511, and a one-way air outlet valve. The movable rod 53 is vertically and movably inserted into the reserved hole at the top of the cavity 111, and the reserved hole and the movable rod 53 are clearance-fitted to ensure that the movable rod 53 can slide smoothly vertically. Both sides of the bottom of the movable rod 53 are integrally formed with racks 531. There are two first connecting rods 54. Both first connecting rods 54 are rotatably mounted on the inner wall of cavity 111 by positioning pins 541. Positioning pins 541 are welded and fixed to the inner wall of cavity 111. A second gear 542 is welded and installed at the end of each first connecting rod 54 near the movable rod 53. The second gear 542 meshes with rack 531, and this meshing state meets the requirement of smooth transmission. One end of the second connecting rod 55 is rotatably connected to the end of the first connecting rod 54 away from the movable rod 53 via a pin, and the other end is vertically and movably installed in the cavity 111 via a limiting frame 551. The limiting frame 551 is welded to the inner wall of the cavity 111 and has a vertical sliding groove to ensure that the second connecting rod 55 moves only vertically. The compression airbag 51 is installed at the bottom of the cavity 111 via an adjustable mounting base. The mounting base is bolted to the inner wall of the cavity 111. The top of the mounting base is equipped with an adjustable support platform. By adjusting the height of the support platform, it is ensured that the second connecting rod 55 can effectively compress the airbag when it moves down. The compression airbag 51 is fixed to the support platform with a clamp for easy and quick replacement. The spacing between the clamps is sufficient to ensure that the second connecting rod 55 can effectively compress the airbag when it moves down. The one-way air inlet valve 511 is installed on the front of the compression airbag 51 via a threaded connection. The one-way air inlet valve 511 only allows external air to enter the airbag, ensuring air replenishment when the airbag is reset. One end of the air supply pipe 52 is connected to the air outlet of the compression airbag 51 via a clamp, and the other end is connected to the air inlet of the exhaust hole 113 via an adhesive. The adhesive joint needs to be sealed. The one-way air outlet valve is installed in the exhaust hole 113 via a thread. The one-way air outlet valve only allows the gas in the air supply pipe 52 to blow towards the wear area to avoid gas backflow.

[0032] Loading mechanism 2 includes a top plate 21, a support frame 22, an elastic element 212, a connecting column 213, and a load-bearing frame 211. The top plate 21 is fixedly installed on the mounting frame 11 via the support frame 22. There are four support frames 22, which are welded to the four corners of the bottom of the top plate 21. The bottom of the support frame 22 is fixed to the top surface of the mounting frame 11 with bolts to ensure the overall stability of the loading mechanism. The connecting column 213 is elastically installed in the middle of the bottom of the top plate 21 via the elastic element 212. The elastic element 212 is a cylindrical helical spring, and the top of the spring is bolted to the bottom of the top plate 21 via a spring seat. The end is bolted to the top of the connecting column 213 via another spring seat. The spring seat has a built-in positioning groove to ensure that the spring axis is aligned, which avoids the welding stress affecting the elasticity and facilitates subsequent replacement. A reserved groove 2131 is provided in the middle of the connecting column 213. The reserved groove 2131 is an elliptical groove with a groove width that provides enough space for the rotating shaft 331 to rotate and the pressure plate 31 to swing. There are two support frames 211. The two support frames 211 are welded to the bottom of the top plate 21 on both sides of the connecting column 213, and each support frame 211 has a bearing hole at the bottom for installing the rotating shaft 331.

[0033] The extrusion mechanism 3 includes a pressure plate 31, an end face gear 311, a spring assembly 312, a mounting screw 313, a sole body 32, a connecting rod 314, and an adjustment assembly 33. The adjustment assembly 33 includes a rotating shaft 331, a first cam 332, a second cam 333, and a first gear 3331. The rotating shaft 331 is rotatably mounted between the bearing holes of the two support frames 211 via bearings, and the middle part of the rotating shaft 331 passes through the reserved groove 2131 of the connecting column 213. The first cam 332 and the second cam 333 are both fixedly sleeved on the rotating shaft 331 by a flat key, and the eccentric directions of the two cams are matched to ensure that the pressure plate 31 moves vertically smoothly. The first gear 3331 is welded and fixedly installed on the protruding position of the second cam 333, and the first gear 3331 and the second cam 333 are coaxially arranged. The pressure plate 31 is located below the adjustment component 33, and the top of the pressure plate 31 contacts and engages with the outer peripheral surface of the first cam 332. A wear-resistant pad is provided on the top of the pressure plate 31 corresponding to the position of the first cam 332. The wear-resistant pad is made of polyurethane material to extend the service life and reduce the wear between the first cam 332 and the pressure plate 31. The end face gear 311 is fixedly installed in the middle of the top of the pressure plate 31 by screws, and the end face gear 311 meshes with the first gear 3331. The end face gear 311 has a semi-circular structure to adapt to the intermittent oscillation requirements of the walking simulation stage. The spring assembly 312 is mounted on the pressure plate 31 inside the end face gear 311. The spring assembly 312 includes a spring and a fixing seat. One end of the spring is snapped into the fixing seat, the fixing seat is welded to the pressure plate 31, and the other end is snapped into the side of the connecting post 213 to provide a return spring force. There are two mounting screws 313. The two mounting screws 313 are respectively threaded through the left and right sides of the upper end face of the pressure plate 31 for detachably fixing the shoe sole body 32 to be tested. One end of the connecting rod 314 is slidably mounted on the side of the pressure plate 31. The side of the pressure plate 31 is slotted and welded with a sliding groove seat. The sliding groove seat has a horizontal sliding groove. One end of the connecting rod 314 is welded with a slider, which is embedded in the sliding groove, allowing the connecting rod 314 to slide laterally when the pressure plate 31 swings. The other end passes through the through hole at the top of the movable rod 53 and is rotatably connected to the movable rod 53. The connecting rod 314 and the movable rod 53 remain perpendicular.

[0034] In use, the sole body 32 to be tested is fixed to the bottom of the pressure plate 31 by two mounting screws 313. The sole body 32 has pre-set holes corresponding to the positions of the mounting screws 313. After the mounting screws 313 are screwed into the holes, the sole body 32 is positioned. Test parameters such as running time and movement frequency are set through the control panel 14. Then the device is started. The drive mechanism 4 drives the rotating shaft 331 of the adjustment component 33 to rotate. The first cam 332 and the second cam 333 rotate with the rotating shaft 331. Their eccentric structure pushes the pressure plate 31 to reciprocate in the vertical direction, and the stroke is adapted to simulate the up and down undulation of the sole when walking. At the same time, the first gear 3331 on the second cam 333 meshes with the end face gear 311, driving the pressure plate 31 to swing horizontally along the connecting column 213. The swing angle is in line with the real posture of the foot's internal and external rotation during walking, realizing the vertical reciprocating and horizontal swinging compound motion of the sole body 32, so that the contact posture between the sole body 32 and the friction belt 12 is in line with the real walking conditions. When the pressure plate 31 moves vertically, the connecting rod 314 on its side synchronously drives the movable rod 53 to make vertical reciprocating motion along the reserved hole of the cavity 111. The racks 531 on both sides of the movable rod 53 drive the meshing second gear 542 to rotate. The second gear 542 drives the first connecting rod 54 to swing around the positioning pin 541, thereby pushing the second connecting rod 55 to move down along the slide groove of the limit frame 551, squeezing and pressing the airbag 51. The gas inside the airbag 51 is delivered to the exhaust port 113 via the air supply pipe 52, and then blown in a direction from the exhaust port 113 to the wear area between the sole body 32 and the friction strip 12 to achieve active cooling, thereby preventing the sole material from softening due to heat generated by grinding and ensuring the accuracy of the test. When the airbag 51 is pressed to reset, the one-way air intake valve 511 automatically opens to replenish external air, and the one-way air outlet valve ensures that the airflow only flows to the wear area; the spring spring assembly 312 stores elastic potential energy when the pressure plate 31 swings, and when the first gear 3331 rotates to the toothless area of ​​the end face gear 311, the spring spring releases potential energy to drive the pressure plate 31 to reset quickly, ensuring the accuracy of the next swing.

[0035] Example 2: To provide stable and synchronized power to the device, ensure coordination between frictional motion and composite motion, and avoid asynchronous motion caused by independent power sources, such as... Figure 1 , Figure 2 , Figure 8 As shown, the present invention provides an embodiment based on Embodiment 1: a sports shoe sole abrasion resistance testing device, which further includes a drive mechanism 4. The drive mechanism 4 is installed on the side of the mounting frame 11 of the friction mechanism 1 and is used to synchronously drive the transmission roller 13 of the friction mechanism 1 and the rotating shaft 331 of the extrusion mechanism 3.

[0036] The drive mechanism 4 includes a protective shell 41, a servo motor 43, and a transmission assembly 42. The protective shell 41 is fixedly installed on the side of the mounting bracket 11 by bolts. The protective shell 41 is made of welded steel plate and is used to protect the internal transmission components from dust and foreign objects. The servo motor 43 is fixedly installed on the outside of the protective shell 41 by bolts, and the output torque of the servo motor 43 can be adjusted by the control panel 14 to meet the power requirements of different test scenarios. The transmission assembly 42 includes a drive wheel 423, a transmission belt 422 and a driven wheel 421. The drive wheel 423 is fixedly connected to the output end of the servo motor 43 via a coupling, and the drive wheel 423 is keyed to the transmission roller 13 on the side of the friction mechanism 1 near the drive mechanism 4 via a flat key. Driven wheel 421 is fixedly sleeved on one end of the rotating shaft 331 of the extrusion mechanism 3 by a flat key. The gear ratio of driven wheel 421 and driving wheel 423 is matched to ensure that the rotation speed of rotating shaft 331 matches that of transmission roller 13, so as to achieve synchronous movement. Transmission belt 422 is a synchronous belt, which is wound between driving wheel 423 and driven wheel 421. The synchronous belt matches the wheel teeth to avoid transmission slippage and ensure stable power transmission.

[0037] When in use, a start signal is sent to the servo motor 43 through the control panel 14. After the servo motor 43 is powered on, it drives the drive wheel 423 to rotate. The drive wheel 423 directly drives the transmission roller 13 of the friction mechanism 1 to rotate. The transmission roller 13 drives the friction belt 12 to perform cyclic grinding motion. The linear speed of the friction belt 12 can be adjusted by the speed of the servo motor 43 to adapt to different ground friction simulation needs. On the other hand, the driving wheel 423 drives the driven wheel 421 to rotate synchronously through the transmission belt 422. The driven wheel 421 drives the rotating shaft 331 of the extrusion mechanism 3 to rotate at a set speed. The rotation speed of the rotating shaft 331 corresponds to the simulated different time frequency requirements, which fits the real walking rhythm and provides stable power for the composite motion of the pressure plate 31. Compared to using two independent motors to drive the transmission roller 13 and the rotating shaft 331 respectively, this drive mechanism 4 achieves rigid synchronization of their rotation speeds through a single motor and synchronous belt drive. This avoids the friction belt 12 rotating out of sync with the shoe sole's compound motion due to fluctuations in motor speed, thus preventing wear loss simulation. At the same time, the protective shell 41 can effectively protect the transmission component 42, and the adjustability of the servo motor 43 also improves the device's adaptability to different testing scenarios.

[0038] Example 3: To optimize the stability of the pressure plate reset and improve the long-term reliability of the device, such as... Figure 3 , Figure 7 As shown, the present invention provides an embodiment based on Embodiment 1: a device for testing the abrasion resistance of athletic shoe soles, with further optimization at the connecting column 213 between the pressure plate 31 of the extrusion mechanism 3 and the loading mechanism 2. The specific improvements are as follows: The spring of the spring assembly 312 of the extrusion mechanism 3 is made of a corrosion-resistant and elastically stable material. The weld between the fixed seat and the pressure plate 31 is provided with a reinforcing rib. The reinforcing rib is a triangular steel plate welded between the fixed seat and the pressure plate 31 to enhance the load-bearing capacity of the fixed seat and prevent the fixed seat from falling off due to the repeated force of the spring after long-term use. The snap-fit ​​joint between the spring and the connecting column 213 is provided with a plastic clip. The clip is fixed to the side of the connecting column 213 by screws to reduce the wear between the spring and the connecting column 213 and extend the service life of the assembly.

[0039] When using, select the two corresponding threaded holes on the pressure plate 31 to install the mounting screws 313. Align the shoe sole body 32 with the screws and tighten the mounting screws 313 to complete the fixation. The bottom of the mounting screws 313 should not pass through the shoe sole body 32 to avoid affecting the test. When the pressure plate 31 swings horizontally under the meshing action of the first gear 3331 and the end face gear 311, the spring is stretched or compressed. The reinforcing rib enhances the stability of the fixed seat, and the plastic bracket reduces the frictional loss between the spring and the connecting column 213. When the first gear 3331 rotates to the toothless area of ​​the end face gear 311, the spring can quickly release its elastic potential energy, driving the pressure plate 31 back to the initial position, ensuring that the starting position of the next swing is consistent and improving the repeatability of the test data. Compared to Embodiment 1, this embodiment enhances the stability of the device's movement and the reliability of its long-term use through detailed optimization of the reinforcing ribs, further adapting to the needs of industrial batch testing.

[0040] Working principle and usage process of this invention: The rotating shaft 331 is driven to rotate by the servo motor 43 and the transmission assembly 42. The first cam 332, the second cam 333 and the end face gear 311 cooperate to make the pressure plate 31 realize a compound motion of vertical reciprocating and horizontal swinging, simulating the squeezing posture of the shoe sole and the ground when walking. The friction belt 12 rotates continuously through the transmission roller 13 to provide a uniform grinding surface to simulate ground wear. At the same time, the movement of the pressure plate drives the moving rod 53, the first connecting rod 54 and the second connecting rod 55 of the cooling mechanism 5 to squeeze and press the air bag 51, and blow air through the air supply pipe 52 and the exhaust hole 113 to actively cool the wear area of ​​the shoe sole and avoid the heat generated by grinding from affecting the test accuracy.

[0041] In specific operation, the sole body 32 to be tested is fixed under the pressure plate 31 by the mounting screws 313, ensuring that the wear area is aligned with the working surface of the friction strip 12; The servo motor 43 speed and test duration can be set via the control panel 14. If the wear posture needs to be adjusted, the servo motor 43 can be started via the control panel 14. The transmission component 42 drives the rotating shaft 331 to rotate, and the pressure plate 31 begins a compound motion of vertical reciprocating and horizontal swinging. The friction belt 12 rotates synchronously and continuously. The cooling mechanism 5 is automatically triggered with the movement of the pressure plate. The press airbag 51 blows air to the sole of the shoe through the air supply pipe 52 and the exhaust hole 113 to cool it down.

[0042] During the test, parameters such as servo motor speed and running time are monitored in real time through the control panel 14. If adjustments are needed, the device can be interrupted, the parameters modified, and then restarted.

[0043] After the preset test duration is reached, the equipment automatically stops. Then, the sole body 32 is removed, and its abrasion resistance is evaluated by indicators such as mass loss, thickness change, and surface morphology. At the same time, the effect of grinding heat generation on the test results is analyzed in combination with the working effect of the cooling mechanism, thus completing a single abrasion resistance test of the sole.

[0044] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the scope of the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0045] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A device for testing the abrasion resistance of athletic shoe soles, comprising a friction mechanism (1), the friction mechanism (1) being used to provide the abrasion surface required for sole wear, a loading mechanism (2) being mounted on the friction mechanism (1), and a pressing mechanism (3) being mounted below the loading mechanism (2), characterized in that: The extrusion mechanism (3) is used to drive the sole of the shoe to be tested to perform compound motion. The friction mechanism (1) is equipped with a cooling mechanism (5). The cooling mechanism (5) is driven by the extrusion mechanism (3) and is used to cool the wear area of ​​the sole. The extrusion mechanism (3) includes a pressure plate (31), an adjustment component (33), and a connecting rod (314). The pressure plate (31) is used to support the shoe sole body (32) to be tested. The adjustment component (33) is installed on the loading mechanism (2) and is used to drive the pressure plate (31) to achieve a composite motion of vertical reciprocating motion and horizontal swinging motion. One end of the connecting rod (314) is slidably installed on the side of the pressure plate (31), and the other end is connected to the cooling mechanism (5) to drive the cooling mechanism (5) to move. The adjustment assembly (33) includes a rotating shaft (331), a first cam (332), and a second cam (333). The rotating shaft (331) is rotatably mounted on the loading mechanism (2). The first cam (332) and the second cam (333) are both fixedly sleeved on the rotating shaft (331) and both are in contact with the top of the pressure plate (31). A first gear (3331) is fixedly mounted on the second cam (333). An end face gear (311) is fixedly mounted on the pressure plate (31), and the first gear (3331) meshes with the end face gear (311). The extrusion mechanism (3) also includes a mounting screw (313) and a spring assembly (312). The mounting screw (313) is threaded through the upper end face of the pressure plate (31) for detachably fixing the shoe sole body (32) to be tested. The spring assembly (312) is installed on the pressure plate (31) inside the end face gear (311) for realizing the reset after the pressure plate (31) swings horizontally. The end face gear (311) has a semi-circular structure. The cooling mechanism (5) includes a transmission structure, a pressing airbag (51) and an air supply pipe (52). One end of the transmission structure is fixedly connected to the connecting rod (314) of the squeezing mechanism (3), and the other end corresponds to the pressing airbag (51) for squeezing the pressing airbag (51) to generate airflow. One end of the air supply pipe (52) is connected to the pressing airbag (51), and the other end extends to the friction mechanism (1) for guiding the airflow to the wear area of ​​the shoe sole. The transmission structure includes a movable rod (53), a first connecting rod (54), and a second connecting rod (55). The movable rod (53) is vertically and movably inserted into the friction mechanism (1). Its top is fixedly connected to the connecting rod (314) of the extrusion mechanism (3). The first connecting rod (54) is rotatably installed in the friction mechanism (1) through a positioning pin (541). One end of the first connecting rod is provided with a second gear (542). The bottom sides of the movable rod (53) are provided with racks (531). The second gear (542) meshes with the rack (531). One end of the second connecting rod (55) is rotatably connected to the end of the first connecting rod (54) away from the movable rod (53). The other end of the second connecting rod (55) is movably set above the press airbag (51) through a limiting frame (551).

2. The abrasion resistance testing device for sports shoe soles according to claim 1, characterized in that, The cooling mechanism (5) also includes a one-way air inlet valve (511), which is connected to the side of the pressing air bag (51) and is used to replenish gas into the pressing air bag (51); the friction mechanism (1) is provided with an exhaust hole (113), and the end of the air supply pipe (52) away from the pressing air bag (51) is connected to the exhaust hole (113), and a one-way air outlet valve is provided in the exhaust hole (113).

3. The abrasion resistance testing device for sports shoe soles according to claim 1, characterized in that, The friction mechanism (1) includes a mounting frame (11), a transmission roller (13) and a friction belt (12). The transmission roller (13) is rotatably mounted on the inner side of the mounting frame (11), and the friction belt (12) is wound around the transmission roller (13) to form a grinding surface required for providing the wear of the shoe sole. A cavity (111) is provided on one side of the mounting frame (11), and a cover plate (112) is mounted on the mounting frame (11) and covers the cavity (111). A control panel (14) is fixedly mounted on the cover plate (112), and an exhaust hole (113) is opened on the mounting frame (11) and communicates with the cavity (111).

4. The abrasion resistance testing device for sports shoe soles according to claim 1, characterized in that, The loading mechanism (2) includes a top plate (21), a support frame (22) and a bearing frame (211). The top plate (21) is fixedly installed on the mounting frame (11) through the support frame (22). There are two bearing frames (211), which are fixedly installed on both sides of the bottom of the top plate (21) to support the rotating shaft (331). A connecting column (213) is elastically installed in the middle of the bottom of the top plate (21) through an elastic member (212). A reserved groove (2131) is opened on the connecting column (213), and the rotating shaft (331) passes through the reserved groove (2131).

5. The abrasion resistance testing device for sports shoe soles according to claim 1, characterized in that, It also includes a drive mechanism (4), which includes a protective shell (41), a servo motor (43) and a transmission assembly (42). The protective shell (41) is fixedly installed on the side of the mounting bracket (11), and the servo motor (43) is fixedly installed on the outside of the protective shell (41). The transmission assembly (42) includes a drive wheel (423), a transmission belt (422), and a driven wheel (421). The drive wheel (423) is fixedly connected to the output end of the servo motor (43), and the drive wheel (423) is keyed to the transmission roller (13). The driven wheel (421) is fixedly sleeved on one end of the rotating shaft (331), and the transmission belt (422) is wound between the drive wheel (423) and the driven wheel (421).

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