Sneaker sole wear resistance testing device

Abstract

The invention relates to the technical field of sneaker production, in particular to a sneaker sole wear resistance testing device, and adopts the technical scheme that the sneaker sole wear resistance testing device comprises a friction mechanism, the friction mechanism is used for providing a grinding surface required by sole wear, a loading mechanism is mounted on the friction mechanism, and an extrusion mechanism is mounted below the loading mechanism; the extrusion mechanism is used for driving a to-be-tested shoe sole to perform composite motion, a cooling mechanism is mounted in the loading mechanism, and the cooling mechanism is driven by the extrusion mechanism and is used for cooling an abrasion area of the shoe sole. The testing device has the advantages of being capable of simulating composite motion of the shoe sole during walking and actively cooling the worn area of the shoe sole, and the problems that an existing testing device is difficult to reproduce the actual walking working condition and lacks a cooling mechanism are effectively solved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of sports shoes production, in particular to a sports shoe sole wear resistance testing device. BACKGROUND

[0002] In the research and quality control of sports shoes, the wear resistance of the sole is one of the key indicators for evaluating the service life and use experience. In order to ensure that the wear resistance of the sole in actual walking, sports and other scenes meets the requirements, a professional testing device is needed to simulate the friction process of the sole and the ground, and the wear resistance is quantitatively analyzed. In the prior art, the wear resistance of the sole is tested by using a single friction device, such as a fixed grinding wheel or a sandpaper disc for wear testing of the sole.

[0003] However, such devices are difficult to simulate the combined motion posture of vertical extrusion and horizontal swing of the sole during walking in the use process, resulting in a large difference between the test scene and the actual walking working condition, and the test result has limited reference value. At the same time, the material properties of the sole are prone to change due to grinding heat during continuous friction, and the existing device lacks an active cooling mechanism for the wear area, and cannot accurately reflect the wear resistance of the sole in the real temperature environment.

[0004] Therefore, it is urgent to provide a sports shoe sole wear resistance testing device to solve the above problems. SUMMARY

[0005] The application aims to provide a sports shoe sole wear resistance testing device, which has the advantages of simulating the combined motion of the sole during walking and actively cooling the wear area of the sole, effectively solving the problems of the existing testing device that is difficult to reproduce the actual walking working condition and lacks a cooling mechanism.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a sports shoe sole wear resistance testing device, comprising a friction mechanism for providing a grinding surface required for sole wear, a loading mechanism mounted on the friction mechanism, and an extrusion mechanism mounted below the loading mechanism; the extrusion mechanism is used to drive the sole to be tested to perform a combined motion, a cooling mechanism is installed in the friction mechanism, and the cooling mechanism is driven by the extrusion mechanism and used to cool the wear area of the sole.

[0007] Preferably, the extrusion mechanism comprises a pressing plate, an adjusting assembly and a connecting rod, the pressing plate is used to bear the sole body to be tested, the adjusting assembly is installed on the loading mechanism and is used to drive the pressing plate to realize the combined motion of vertical reciprocating motion and horizontal swing, one end of the connecting rod is slidably installed on the side surface of the pressing plate, and the other end is connected with the cooling mechanism and is used to drive the cooling mechanism to act.

[0008] The above technical scheme achieves the effects of stably bearing the shoe sole and synchronously realizing linkage of the composite motion and the cooling mechanism.

[0009] Preferably, the adjusting assembly comprises a rotating shaft, a first cam and a second cam, the rotating shaft is rotatably installed 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 pressing plate, and the second cam is fixedly installed with a first gear; The pressing plate is fixedly installed with an end face gear, and the first gear is in mesh with the end face gear.

[0010] The above technical scheme achieves the effects of precisely driving the composite motion through the cooperation of the first cam, the second cam and the end face gear.

[0011] Preferably, the cooling mechanism comprises a transmission structure, a pressing air bag and a gas conveying pipe, one end of the transmission structure is fixedly connected with the connecting rod of the extrusion mechanism, the other end corresponds to the pressing air bag, and is used for extruding the pressing air bag to generate airflow, one end of the gas conveying pipe is in communication with the pressing air bag, and the other end extends to the friction mechanism, and is used for guiding the airflow to the wear area of the shoe sole.

[0012] The above technical scheme achieves the effects of cooling the wear area by directional delivery of the airflow.

[0013] Preferably, the transmission structure comprises a movable rod, a first connecting rod and a second connecting rod, the movable rod is vertically and movably inserted into the interior of the friction mechanism, the top of the movable rod is fixedly connected with the connecting rod of the extrusion mechanism, the first connecting rod is rotatably installed in the friction mechanism through a positioning pin, one end of the first connecting rod is provided with a second gear, the bottom of the movable rod is provided with a gear rack, the second gear is in mesh with the gear rack, one end of the second connecting rod is rotatably connected with the end of the first connecting rod away from the movable rod, and the other end of the second connecting rod is movably arranged above the pressing air bag through a limiting frame.

[0014] The above technical scheme achieves the effects of stably transmitting the motion to continuously extrude the air bag to generate the airflow.

[0015] Preferably, the extrusion mechanism further comprises a mounting screw and a clockwork spring assembly, the mounting screw is threadedly penetrated on the upper end surface of the pressing plate, and is used for detachably fixing the shoe sole body to be tested, the clockwork spring assembly is installed on the pressing plate on the inner side of the end face gear, and is used for resetting after the horizontal swing of the pressing plate, and the end face gear is a semicircular structure.

[0016] The above technical scheme achieves the effects of facilitating disassembly and assembly of the shoe sole and ensuring accurate resetting of the pressing plate after swing.

[0017] Preferably, the cooling mechanism further comprises a one-way air inlet valve, which is installed on the side of the pressing air bag and used to supplement air into the pressing air bag; the friction mechanism is provided with an air outlet hole, the end of the air pipe away from the pressing air bag is communicated with the air outlet hole, and a one-way air outlet valve is arranged in the air outlet hole.

[0018] By adopting the technical scheme, the effect of ensuring continuous air supplement of the pressing air bag and one-way air flow to the wear area is achieved.

[0019] Preferably, the friction mechanism comprises a mounting frame, a transmission roller and a friction belt, the transmission roller is rotatably installed on the inner side of the mounting frame, the friction belt is wound on the transmission roller and forms a grinding surface for providing the wear of the shoe sole, the mounting frame is provided with a cavity on one side, a cover plate is installed on the mounting frame and covers the cavity, a control panel is fixedly installed on the cover plate, and an air outlet hole is arranged on the mounting frame and communicated with the cavity.

[0020] By adopting the technical scheme, the effects of forming a stable grinding surface, protecting internal components and facilitating operation control are achieved.

[0021] Preferably, the loading mechanism comprises a top plate, a support frame and a bearing frame, the top plate is fixedly installed on the mounting frame through the support frame, the bearing frame is provided with two and is fixedly installed on the bottom of the top plate on both sides, respectively, and is used to rotate the support shaft, an elastic member is elastically installed on the middle of the bottom of the top plate through a connecting column, a reserved slot is arranged on the connecting column, and the rotating shaft penetrates through the reserved slot.

[0022] By adopting the technical scheme, the effects of stably supporting the extrusion mechanism and realizing quick reset through elastic connection are achieved.

[0023] Preferably, the driving mechanism further comprises a protective shell, a servo motor and a transmission assembly, the protective shell is fixedly installed on the side of the mounting frame, the servo motor is fixedly installed on the outer side of the protective shell; The transmission assembly comprises a driving wheel, a transmission belt and a driven wheel, the driving wheel is fixedly connected with the output end of the servo motor, the driving wheel is key-connected with the transmission roller, the driven wheel is fixedly sleeved on one end of the rotating shaft, and the transmission belt is wound between the driving wheel and the driven wheel.

[0024] By adopting the technical scheme, the effects of synchronously driving the friction mechanism and the extrusion mechanism and ensuring the coordination and stability of the test process are achieved.

[0025] Compared with the prior art, the present application has the following beneficial effects: The application provides a kind of test device for shoe sole, including friction mechanism, loading mechanism, extrusion mechanism and cooling mechanism, wherein friction mechanism provides the grinding surface required by shoe sole wear, loading mechanism provides mounting space for cooling mechanism, extrusion mechanism can drive the shoe sole to be tested to carry out compound motion on one hand, accurately reproduce the real motion posture of shoe sole when walking, solve the problem that existing test device is difficult to reproduce actual walking working condition;On the other hand, extrusion mechanism can drive cooling mechanism to act, so that cooling mechanism actively cools the wear area of shoe sole, solve the problem that existing test device lacks cooling mechanism, finally achieve the advantages of simulating the compound motion of shoe sole when walking and actively cooling the wear area of shoe sole. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a perspective structural schematic diagram of the application from one angle; Figure 2 It is another perspective structural schematic diagram of the application; Figure 3 It is the extrusion mechanism of the application; Figure 2 It is an enlarged structural schematic diagram of A in the application; Figure 4 It is a connecting structural schematic diagram of the cooling mechanism of the application; Figure 5 It is a front structural schematic diagram of the cooling mechanism of the application; Figure 6 It is the extrusion mechanism of the application; Figure 5 It is an enlarged structural schematic diagram of B in the application; Figure 7 It is a structural schematic diagram of the extrusion mechanism of the application; Figure 8 It is a structural schematic diagram of the driving mechanism of the application; Figure 9 It is a structural schematic diagram of the loading mechanism of the application.

[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 comprises a mounting frame 11, transmission rollers 13, a friction belt 12, a cover plate 112 and a control panel 14, the transmission rollers 13 are rotatably installed on the inner side of the mounting frame 11 through bearings, there are two transmission rollers 13, respectively located at both ends of the inner side of the mounting frame 11, the friction belt 12 is wound on the two transmission rollers 13 to form a closed grinding surface, the friction belt 12 can be replaced after wear, the mounting frame 11 is integrally formed with a cavity 111 on one side, and the opening of the cavity 111 is away from the friction mechanism 1, an exhaust hole 113 is formed in the side wall of the mounting frame 11 close to the friction belt 12 and communicates with the cavity 111, the exhaust hole 113 is directed to the contact area of the friction belt 12 and the sole body 32, the cooling mechanism 5 is installed in the cavity 111, the cover plate 112 is bolted on the opening of the cavity 111 of the mounting frame 11 and seals the cavity 111, and the control panel 14 is fixedly installed on the outer side of the cover plate 112 through screws, and the control panel 14 is internally provided with a circuit module for controlling the operation of the device.

[0031] The cooling mechanism 5 comprises a movable rod 53, a first connecting rod 54, a second connecting rod 55, a pressing air bag 51, a gas conveying 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 a reserved hole at the top of the cavity 111, and the reserved hole is in clearance fit with the movable rod 53, so that the movable rod 53 can smoothly slide vertically, and a rack 531 is integrally formed on the bottom of each side of the movable rod 53; The first connecting rod 54 is provided with two, and the two first connecting rods 54 are rotatably installed on the inner wall of the cavity 111 through positioning pins 541, the positioning pins 541 are welded and fixed on the inner wall of the cavity 111, a second gear 542 is welded and installed on one end of each first connecting rod 54 close to the movable rod 53, the second gear 542 is engaged with the rack 531, and the engagement state meets the stable transmission requirement; One end of the second connecting rod 55 is rotatably connected with one end of the first connecting rod 54 away from the movable rod 53 through a pin shaft, and the other end is vertically and movably installed in the cavity 111 through a limiting frame 551, and the limiting frame 551 is welded on the inner wall of the cavity 111, the limiting frame 551 is provided with a vertical sliding slot, so that the second connecting rod 55 only moves vertically; The pressing air bag 51 is installed at the bottom of the cavity 111 through an adjustable fixing seat which is connected with the inner wall of the cavity 111 through bolts, and the top of the fixing seat is provided with a support table which can be lifted and adjusted, and the height of the support table is adjusted to ensure that the second connecting rod 55 can effectively extrude the air bag when it moves downward, and the pressing air bag 51 is fixed with the support table through a clamp, which is convenient and fast to replace, and the distance between them meets the requirement that the air bag can be effectively extruded when the second connecting rod 55 moves downward, the one-way air inlet valve 511 is installed on the front of the pressing air bag 51 through threaded communication, and the one-way air inlet valve 511 only allows external air to enter the air bag, which ensures that the air bag is reset and air is supplied, one end of the gas conveying pipe 52 is communicated with the air outlet of the pressing air bag 51 through a clamp, the other end is communicated with the air inlet end of the air exhaust hole 113 through bonding, and the bonding part needs to be sealed, and the one-way air outlet valve is installed in the air exhaust hole 113 through threads, and the one-way air outlet valve only allows the gas in the gas conveying pipe 52 to blow to the wear area, avoiding backflow of the gas.

[0032] The loading mechanism 2 comprises a top plate 21, support frames 22, elastic members 212, connecting columns 213 and bearing frames 211. The top plate 21 is fixedly installed on the mounting frame 11 through the support frames 22. The support frames 22 are provided in total four, and are respectively welded at the four corners of the bottom of the top plate 21. The bottom of the support frame 22 is fixed with the top surface of the mounting frame 11 through bolts, so as to ensure the stability of the whole loading mechanism. The connecting column 213 is elastically installed at the middle of the bottom of the top plate 21 through the elastic member 212. The elastic member 212 is a cylindrical helical spring. The top end of the spring is bolted with the bottom of the top plate 21 through a spring seat. The bottom end is bolted with the top of the connecting column 213 through another spring seat. The spring seat is provided with a built-in positioning groove, so as to ensure the centering of the spring axis, avoid the influence of welding stress on the elasticity, and facilitate subsequent replacement. The connecting column 213 is provided with a reserved slot 2131 in the middle. The reserved slot 2131 is an oval slot. The slot width is reserved enough space for the rotation of the rotating shaft 331 and the swing of the pressing plate 31. The bearing frame 211 is provided with two. The two bearing frames 211 are respectively welded at the bottom of the top plate 21 on both sides of the connecting column 213. The bottom of each bearing frame 211 is provided with a bearing hole for installing the rotating shaft 331.

[0033] The pressing mechanism 3 comprises a pressing plate 31, an end face gear 311, a clockwork spring assembly 312, an installation screw 313, a shoe body 32, a connecting rod 314 and an adjusting assembly 33. The adjusting assembly 33 comprises a rotating shaft 331, a first cam 332, a second cam 333 and a first gear 3331. The rotating shaft 331 is rotatably installed between the bearing holes of the two bearing frames 211 through bearings. The middle part of the rotating shaft 331 passes through the reserved slot 2131 of the connecting column 213. The first cam 332 and the second cam 333 are fixedly sleeved on the rotating shaft 331 through a flat key. The eccentric directions of the two cams are matched, so as to ensure the stable vertical movement of the pressing plate 31. The first gear 3331 is fixedly installed at the protruding position of the second cam 333. The first gear 3331 and the second cam 333 are coaxially arranged. The pressing plate 31 is arranged below the adjusting assembly 33, and the top of the pressing plate 31 is in contact with the outer circumferential surface of the first cam 332, and the top of the pressing plate 31 is provided with a wear-resistant pad corresponding to the position of the first cam 332, the wear-resistant pad is made of polyurethane material, which is used to prolong the service life and reduce the wear between the first cam 332 and the pressing plate 31, and the face gear 311 is fixedly installed on the top of the pressing plate 31 in the middle by screws, and the face gear 311 is engaged with the first gear 3331, and the face gear 311 is a semicircular structure, which is suitable for the intermittent swing requirement in the walking simulation stage; The clock spring assembly 312 is installed on the pressing plate 31 on the inner side of the face gear 311, and the clock spring assembly 312 comprises a clock spring and a fixed seat, one end of the clock spring is connected to the fixed seat, and the fixed seat is welded to the pressing plate 31, and the other end is connected to the side of the connecting column 213 to provide a reset elastic force, and two installation screws 313 are provided, and the two installation screws 313 are respectively threaded through the left and right sides of the upper end surface of the pressing plate 31, which is used to detachably fix the shoe sole body 32 to be tested; One end of the connecting rod 314 is slidingly installed on the side surface of the pressing plate 31, the side surface of the pressing plate 31 is slotted and welded with a sliding groove seat, the sliding groove seat is provided with a horizontal sliding groove, one end of the connecting rod 314 is welded with a sliding block, and the sliding block is embedded in the sliding groove, which allows the connecting rod 314 to slide horizontally when the pressing plate 31 swings, the other end passes through the through hole in the top of the movable rod 53 and is rotationally connected with the movable rod 53, and the connecting rod 314 is perpendicular to the movable rod 53.

[0034] In use, the shoe sole body 32 to be tested is fixed to the bottom of the pressing plate 31 by the two installation screws 313, the shoe sole body 32 is provided with a hole at the position corresponding to the installation screw 313, and the installation screw 313 is screwed into the hole to position the shoe sole body 32, the test parameters such as running time and motion frequency are set through the control panel 14, then the device is started, the rotating shaft 331 of the adjusting assembly 33 is driven by the driving mechanism 4 to rotate, the first cam 332 and the second cam 333 rotate with the rotating shaft 331, and the eccentric structure pushes the pressing plate 31 to make reciprocating motion in the vertical direction, and the stroke is suitable for the up-and-down simulation of the shoe sole during walking; At the same time, the first gear 3331 on the second cam 333 is engaged with the face gear 311 to drive the pressing plate 31 to make horizontal swing along the connecting column 213, and the swing angle is consistent with the real posture of the foot during walking, realizing the vertical reciprocating and horizontal swing compound motion of the shoe sole body 32, so that the contact posture of the shoe sole body 32 and the friction belt 12 is consistent with the real walking working condition; 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. The driven wheel 421 is fixedly sleeved at one end of the rotating shaft 331 of the extrusion mechanism 3 through a key, the number of teeth of the driven wheel 421 is matched with that of the driving wheel 423, the rotating speed of the rotating shaft 331 is matched with that of the transmission roller 13, movement synchronization is realized, the transmission belt 422 is a synchronous belt and is wound between the driving wheel 423 and the driven wheel 421, the synchronous belt is matched with the wheel teeth, transmission slip is avoided, and stable power transmission is ensured.

[0037] In use, a starting signal is sent to the servo motor 43 through the control panel 14, the servo motor 43 is energized to drive the driving wheel 423 to rotate, the driving wheel 423 directly drives the transmission roller 13 of the friction mechanism 1 to rotate on one hand, the transmission roller 13 drives the friction belt 12 to perform a circulating grinding movement, the linear speed of the friction belt 12 can be adjusted through the rotating speed of the servo motor 43, and different ground friction simulation requirements can be matched; On the other hand, the driving wheel 423 drives the driven wheel 421 to synchronously rotate through the transmission belt 422, the driven wheel 421 drives the rotating shaft 331 of the extrusion mechanism 3 to rotate at a set rotating speed, the rotating speed of the rotating shaft 331 corresponds to different step frequency requirements, and the real walking rhythm is matched, so that stable power is provided for the compound movement of the pressing plate 31. Compared with the two independent motors that are respectively used for driving the transmission roller 13 and the rotating shaft 331, the driving mechanism 4 realizes the rigid synchronization of the rotating speeds of the two through a single motor and a synchronous belt transmission, avoids the situation that the rotating of the friction belt 12 and the compound movement of the shoe sole are out of synchronization due to the rotating speed fluctuation of the motor, and further causes wear and loss of authenticity, meanwhile, the protective shell 41 can effectively protect the transmission assembly 42, and the adjustability of the servo motor 43 also improves the adaptability of the device to different test scenes.

[0038] In order to optimize the pressing plate reset stability and improve the reliability of long-term use of the device, as shown in Figure 3 , Figure 7 The application provides an embodiment based on the embodiment one: a kind of shoe sole wear resistance test device of sports shoes, further optimization is carried out at the connecting column 213 of the pressing plate 31 of the extrusion mechanism 3 and the loading mechanism 2, and the specific improvements are as follows: The spring of the spring assembly 312 of the extrusion mechanism 3 is made of corrosion-resistant and elastic stable material, and reinforcing ribs are arranged at the welding position of the fixed seat and the pressing plate 31, the reinforcing ribs are triangular steel plates, welded between the fixed seat and the pressing plate 31, to enhance the load capacity of the fixed seat, avoid the fixed seat from falling off due to the repeated force of the spring after long-term use;A plastic holder is arranged at the clamping position of the spring and the connecting column 213, the holder is fixed on the side surface of the connecting column 213 by screws, to reduce the wear between the spring and the connecting column 213 and prolong the service life of the assembly.

[0039] In use, two threaded holes on the pressing plate 31 are selected to install the mounting screws 313, and the sole body 32 is aligned with the mounting screws 313, and then the mounting screws 313 are tightened to complete the fixing, and the bottom of the mounting screws 313 cannot penetrate the sole body 32 to avoid affecting the detection; When the pressing plate 31 swings horizontally under the meshing action of the first gear 3331 and the face gear 311, the spring is stretched or compressed, the reinforcing rib enhances the stability of the fixing seat, and the plastic clamping seat reduces the friction loss of the spring and the connecting column 213; when the first gear 3331 rotates to the toothless area of the face gear 311, the spring can quickly release the elastic potential energy, drive the pressing plate 31 to return to the initial position, ensure the consistency of the starting position of the next swing, and improve the repeatability of the test data; Compared with the first embodiment, the stability of the device movement and the reliability of long-term use are enhanced through the detail optimization of the reinforcing rib, and the demand of industrial batch testing is further adapted.

[0040] The working principle and use process of the application are as follows: The rotation of the rotating shaft 331 is driven by the servo motor 43 and the transmission assembly 42, the first cam 332, the second cam 333 and the face gear 311 are matched to make the pressing plate 31 realize the compound motion of vertical reciprocating and horizontal swinging, simulate the extrusion posture of the sole and the ground when walking; the friction belt 12 is continuously rotated through the transmission roller 13, and a uniform grinding surface is provided to simulate the ground wear; at the same time, the movement of the pressing plate drives the movable rod 53, the first connecting rod 54 and the second connecting rod 55 of the cooling mechanism 5 to act, extrudes and presses the air bag 51, blows air through the air pipe 52 and the exhaust hole 113, and actively cools the sole wear area to avoid the influence of grinding heat on the test accuracy.

[0041] In specific operation, the sole body 32 to be tested is fixed below the pressing plate 31 through the mounting screws 313, and the wear area is aligned with the working surface of the friction belt 12; The parameters such as the rotating speed of the servo motor 43 and the test time are set through the control panel 14, if the wear posture needs to be adjusted, the servo motor 43 is started through the control panel 14, the rotating shaft 331 is rotated by the transmission assembly 42, the pressing plate 31 starts the compound motion of vertical reciprocating and horizontal swinging, the friction belt 12 is synchronously and continuously rotated, and the cooling mechanism 5 is automatically triggered with the movement of the pressing plate, and the air bag 51 blows air to the sole through the air pipe 52 and the exhaust hole 113 to cool the sole.

[0042] During the test process, the parameters such as the rotating speed of the servo motor and the running time are monitored in real time through the control panel 14, and if adjustment is needed, the equipment can be interrupted and the parameters can be modified and restarted.

[0043] After reaching the preset test duration, the device automatically stops, then the sole body 32 is taken off, the wear resistance is evaluated through indicators such as mass loss, thickness change, surface morphology, and the influence of grinding heat on the test results is analyzed combined with the working effect of the cooling mechanism, and the single sole wear resistance test operation is completed.

[0044] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and it is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0045] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be properly combined to form other embodiments that those skilled in the art can understand.

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.

2. The device for testing the abrasion resistance of athletic shoe soles according to claim 1, characterized in that, 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.

3. The abrasion resistance testing device for sports shoe soles according to claim 2, characterized in that, 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 installed on the pressure plate (31), and the first gear (3331) meshes with the end face gear (311).

4. The abrasion resistance testing device for sports shoe soles according to claim 1, characterized in that, 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.

5. The abrasion resistance testing device for sports shoe soles according to claim 4, characterized in that, 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).

6. The abrasion resistance testing device for sports shoe soles according to claim 3, characterized in that, 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 of the pressure plate (31) after horizontal swing. The end face gear (311) has a semi-circular structure.

7. The abrasion resistance testing device for sports shoe soles according to claim 4, 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).

8. 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).

9. 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).

10. 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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