Testing device for axial and radial stripping of nylon wheel with steel sleeve and testing machine thereof

Abstract

The utility model relates to a testing device and a testing machine for axial and radial stripping of a nylon wheel with a steel sleeve, and the testing device comprises a nylon wheel which comprises a nylon wheel body and a steel sleeve; the fixing mechanism is used for fixing the nylon wheel body; the vertical driving mechanism comprises a first driving shaft and a second driving shaft which are arranged in series, the upper end of the first driving shaft is provided with a power input piece used for driving the first driving shaft to rotate or press downwards, and the first driving shaft is detachably provided with a pressure sensor; a torque sensor is detachably arranged between the first driving shaft and the second driving shaft, and the lower end of the second driving shaft is detachably connected to the steel sleeve. The axial and radial stripping test of the nylon wheel is realized through the vertical driving mechanism, and the test data is monitored and recorded in real time through the pressure sensor and the torque sensor, so that the bonding strength between the nylon wheel body and the steel sleeve and the axial and radial bearing capacity of the nylon wheel body are really evaluated.

Description

Technical Field

[0001] The utility model relates to the technical field of nylon wheel testing, in particular to a testing device for axial and radial peeling of a nylon wheel with a steel sleeve and a testing machine thereof. Background Art

[0002] Elevator nylon pulleys are pulleys used in elevators, primarily made of nylon. They are characterized by their lightweight, strong wear and corrosion resistance, and excellent noise reduction, leading to their widespread use in elevators. Elevator nylon pulleys are primarily categorized as steel-jacketed and non-steel-jacketed. Non-steel-jacketed nylon pulleys utilize a structure where the bearing and the nylon wheel bearing hole are matched. Steel-jacketed nylon pulleys utilize a steel outer ring cast with nylon material, with the bearing outer ring and steel inner ring matched. Both types of pulleys are widely used in elevators. While these nylon pulleys are widely used, failure modes such as excessive wear, cracking, bearing damage and loss, and wheel displacement have also been reported in some elevators. These issues have become a source of concern in the industry and a source of user complaints. A prominent issue is the bonding strength between the outer ring of the bearing and the bearing hole of the nylon wheel (or between the outer ring of the steel sleeve and the nylon wheel). In complex and changing operating environments, this bonding strength is easily affected by factors such as temperature, humidity, and pressure, leading to weakening or even loss of bonding strength. This is a key factor in nylon wheel failure. Therefore, developing a testing device and testing machine to evaluate the axial and radial peel strength of nylon wheels with steel sleeves is crucial for preventing failures, improving product quality, and extending service life, and is an urgent issue that needs to be addressed. Utility Model Content

[0003] In response to the problems existing in the prior art, the first purpose of the utility model is to provide a testing device for axial and radial peeling of nylon wheels with steel sleeves, including a fixing mechanism and a vertical drive mechanism. The axial and radial peeling tests of the nylon wheel are realized by the vertical drive mechanism, and the test data are monitored and recorded in real time by a pressure sensor and a torque sensor to truly evaluate the bonding strength between the nylon wheel body and the steel sleeve and the axial and radial bearing capacity of the nylon wheel body itself. Combined with an adjustable fixing mechanism to support nylon wheels of different sizes, the utility model has a wide range of applications.

[0004] The second purpose of the utility model is to provide a testing machine for axial and radial peeling of a nylon wheel with a steel sleeve, comprising a workbench, a testing device and a supporting device, so as to perform axial and radial peeling tests on the nylon wheel.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A testing device for axial and radial peeling of a nylon wheel with a steel sleeve, comprising: a nylon wheel, the nylon wheel comprising a nylon wheel body and a steel sleeve arranged in the middle of the nylon wheel body; a fixing mechanism, the fixing mechanism being used to fix the nylon wheel body so that the nylon wheel is in a horizontal position; a vertical drive mechanism, the vertical drive mechanism comprising a first drive shaft and a second drive shaft arranged in series, wherein the first drive shaft is located above the second drive shaft and is detachably connected, the upper end of the first drive shaft is provided with a power input member for driving the first drive shaft to rotate or press downward, a pressure sensor is detachably provided on the first drive shaft, a torque sensor is detachably provided between the first drive shaft and the second drive shaft, and the lower end of the second drive shaft is detachably connected to the steel sleeve.

[0007] Furthermore, the nylon wheel body includes an outer wheel body, an inner wheel body and a plurality of reinforcing ribs, one end of each of the plurality of reinforcing ribs is fixed on the inner wheel body, and the other end thereof is extended and fixed toward the outer wheel body at a certain angle, and a process orifice plate is provided between two adjacent reinforcing ribs, and the inner wheel body is fixedly connected to the steel sleeve.

[0008] Furthermore, the lower end of the second drive shaft is provided with an end cover, and the end cover is detachably connected to the steel sleeve.

[0009] Furthermore, the steel sleeve is circumferentially provided with a plurality of slots, and the bottom of the end cover is circumferentially provided with a plurality of blocks that match the slots.

[0010] Furthermore, the lower end of the second driving shaft has a threaded hole, and the top of the end cover has a screw matched with the threaded hole.

[0011] Furthermore, the power input component is a hydraulic cylinder or a rotary motor.

[0012] Furthermore, the fixing mechanism includes a disk body with an open bottom, a rotating disk rotatably provided on the disk body, a coil wire on the upper surface of the rotating disk, a plurality of claws engaged with the coil wire provided on the rotating disk, a plurality of slide grooves on the top of the disk body, the claws slidably arranged in the slide grooves, a connecting column for fixing to the process orifice plate on the top of the claw, an annular bevel gear on the lower surface of the rotating disk, and a bevel gear meshing with the annular bevel gear on the side of the disk body.

[0013] Furthermore, the side of the connecting column has a flange, and the bottom of the process orifice plate abuts against the flange.

[0014] A testing machine comprises: a workbench; a testing device for axial and radial peeling of a nylon wheel with a steel sleeve and a testing machine thereof, wherein the fixing mechanism is arranged on the workbench; and a supporting device, which is arranged on the workbench and is used to support and fix the vertical driving mechanism.

[0015] Furthermore, the supporting device includes two columns arranged on the workbench and a crossbeam arranged between the two columns, the crossbeam has through holes for receiving the first drive shaft and the second drive shaft, and the power input member is fixed to the crossbeam through a support seat.

[0016] The utility model has the following advantages:

[0017] 1. This utility model's device for testing the axial and radial peel strength of nylon wheels with steel sleeves utilizes a vertical drive mechanism to perform both axial and radial peel tests on nylon wheels. The vertical drive mechanism comprises a first and second drive shaft arranged in series, each driven by a separate power input element (e.g., a hydraulic cylinder and a rotary motor), respectively, to apply axial and radial forces to the nylon wheel's steel sleeve. During the axial peel test, the first and second drive shafts, driven by hydraulic cylinders and equipped with pressure sensors, directly apply axial forces to the nylon wheel's steel sleeve to test the nylon wheel's axial peel strength. During the radial peel test, the first and second drive shafts, driven by a rotary motor and equipped with a torque sensor, apply radial peel forces to the nylon wheel's steel sleeve. Furthermore, the power input element for the radial peel test utilizes a DC motor, ensuring a more stable loading process and enabling the acquisition of torque curves, providing valuable reference data for subsequent research. This vertical drive mechanism allows for a true assessment of the bond strength between the nylon wheel and the steel sleeve, as well as the axial and radial load-bearing capacity of the nylon wheel itself.

[0018] 2. The utility model uses a pressure sensor and a torque sensor to monitor and record the applied pressure and torque in real time during the test process, providing accurate data support for evaluating the peeling performance of the nylon wheel axle.

[0019] 3. The fixing mechanism of the utility model can adjust the position of the connecting column to support and fix nylon wheels of different sizes, thereby realizing the peeling test of nylon wheels of different specifications, and having a wider range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the three-dimensional structure of a testing device for axial and radial peeling of a nylon wheel with a steel sleeve.

[0021] Figure 2 It is a three-dimensional structural diagram of the vertical drive mechanism of the utility model.

[0022] Figure 3 It is a three-dimensional exploded view of the vertical driving mechanism, nylon wheels and fixing mechanism of the utility model.

[0023] Figure 4 It is a three-dimensional structural diagram of the nylon wheel and the fixing mechanism of the utility model.

[0024] Figure 5 It is a three-dimensional exploded view of the nylon wheel and the fixing mechanism of the utility model.

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the nylon wheel of the utility model.

[0026] Figure 7 It is a three-dimensional structural diagram of the fixing mechanism of the utility model.

[0027] Figure 8 It is a three-dimensional cutaway view of the fixing mechanism of the present utility model.

[0028] Among them, 1 is a vertical drive mechanism, 101 is the first drive shaft, 102 is the second drive shaft, 103 is the power input part, 104 is the pressure sensor, 105 is the torque sensor, 106 is the end cover, 106a is the block, 107 is the coupling, 2 is the fixing mechanism, 201 is the disk body, 201a is the slide groove, 202 is the rotating disk, 202a is the coil wire, 202b is the annular bevel gear, 203 is the claw , 204 is a connecting column, 204a is a flange, 205 is a bevel gear, 206 is a handle, 3 is a nylon wheel, 301 is a nylon wheel body, 301a is an outer wheel body, 301b is an inner wheel body, 301c is a reinforcing rib, 301d is a process orifice plate, 302 is a steel sleeve, 302a is a slot, 303 is a wheel groove, 4 is a workbench, 5 is a supporting device, 501 is a column, 502 is a beam, and 502a is a through hole. DETAILED DESCRIPTION

[0029] The following description is essentially only exemplary and is not intended to limit the present invention, its application, or use. It will be further understood that the terms "comprise" and / or "comprising" specify the existence of the features, wholes, steps, operations, elements and / or parts described when used in this specification, but do not exclude the existence of one or more other features, wholes, steps, operations, elements, parts and / or their groups or add one or more other features, wholes, steps, operations, elements, parts and / or their groups. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. It will be understood that when an element, component and / or part is referred to as "connected to another element, component and / or part", it can be directly connected to another element, component and / or part, or there can be an intermediate element. It will be understood that although the terms "first", "second" and the like can be used to describe various elements, components and / or parts in this article, these elements, components and / or parts should not be limited by these terms. These terms are only used to distinguish an element, component or part from another element, component or part. Therefore, the first element, component or part discussed below can be referred to as the second element, component or part without departing from the teachings of the present invention. Unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the relevant field and / or the context of this specification, and will not be interpreted in an idealized or overly formal sense unless explicitly defined as such herein.

[0030] It should be understood that, in order to clearly show the contents therein, the drawings herein are not drawn to scale, and the same or similar reference numerals indicate the same or similar components or parts. In addition, it should be understood that any embodiments described in this application and the technical features included therein can be combined with each other.

[0031] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0032] like Figure 1 As shown, a testing device for axial and radial peeling of a nylon wheel with a steel sleeve includes a nylon wheel 3, a fixing mechanism 2, and a vertical drive mechanism 1. These are generally arranged in series, with the nylon wheel 3 positioned above the fixing mechanism 2, and the vertical drive mechanism 1 positioned above the nylon wheel 3. The fixing mechanism 2 stabilizes the nylon wheel 3 in a horizontal position, and the vertical drive mechanism 1 applies downward pressure and rotational force to the nylon wheel 3, respectively, to achieve axial and radial peeling tests on the nylon wheel 3, thereby comprehensively evaluating the performance of the nylon wheel 3 under different stress conditions.

[0033] like Figure 1 、 3 -6, the nylon wheel 3 includes a nylon wheel body 301 and a steel sleeve 302 arranged in the middle of the nylon wheel body 301. The nylon wheel body 301 is made of nylon material. The outer wall of the steel sleeve 302 is cast with the nylon wheel body 301, and the inner wall of the steel sleeve 302 is matched with the bearing (not shown in the figure). The nylon wheel body 301 includes an outer wheel body 301a, an inner wheel body 301b and a plurality of reinforcing ribs 301c. One end of each of the plurality of reinforcing ribs 301c is fixed on the inner wheel body 301b, and the other end thereof is extended and fixed toward the outer wheel body 301a at a certain angle. A process orifice plate 301d is arranged between two adjacent reinforcing ribs 301c. The middle part of the inner wheel body 301b has a hollow part. The hollow part of the inner wheel body 301b is fixedly connected to the outer wall of the steel sleeve 302. The outer wall of the outer wheel body 301a is also provided with a plurality of wheel grooves 303. In an embodiment not shown, the nylon wheel 3 can also be a nylon wheel without a steel sleeve, that is, the nylon wheel body 301 is directly connected to the bearing, and the downward pressure and rotational force applied by the vertical drive mechanism 1 directly act on the outer ring of the bearing, and axial and radial peeling tests can also be achieved.

[0034] like Figure 1 、 3-8, the fixing mechanism 2 is used to fix the nylon wheel body 301 so that the nylon wheel is in a horizontal position, that is, the fixing mechanism 2 only fixes the nylon wheel body 301, but does not fix the steel sleeve 302. As shown in the figure, one of the preferred embodiments of the fixing mechanism 2 is shown. The fixing mechanism 2 includes a disk body 201 with an open bottom. The bottom of the disk body 201 is fixed to a horizontal surface such as a workbench 4 or a test platform. A rotating disk 202 is rotatably provided in the disk body 201. The upper surface of the rotating disk 202 has a coil wire 202a. The coil wire 202a is in a spiral shape. The coil wire 202a extends spirally around the center of the rotating disk 202. The rotating disk 202 is provided with a plurality of claws 203 that engage with the coil wire 202a. The bottom of the claw 203 has a plurality of teeth. Each tooth is engaged between two adjacent turns of the spiral wire. Therefore, when the rotating disk 202 rotates, the coil wire 202a drives the claw 203 to move. The top of the disk body 201 has a plurality of Slide groove 201a, the claw 203 is slidably configured in the slide groove 201a, so that the claw 203 can adjust its position according to the size of the nylon wheel 3, and the top of the claw 203 has a connecting column 204 for fixing on the process orifice plate 301d. The lower surface of the rotating disk 202 has an annular bevel gear 202b, so that the rotating disk 202 can be rotated by external drive, and the side of the disk body 201 has a bevel gear 205 meshing with the annular bevel gear 202b. The bevel gear 205 not only provides power input for the rotating disk 202, but also ensures smooth rotation. In addition, a handle 206 is provided at one end of the bevel gear 205. The handle 206 is located outside the disk body 201, and the handle 206 is rotated to provide rotational force for the bevel gear 205. When preparing to secure the nylon wheel 301, the operator first drives the bevel gear 205 to rotate via the external power input 103, depending on the size of the nylon wheel 3. This in turn drives the annular bevel gear 202b and the rotating disk 202 to rotate together, adjusting the position of the claw 203. The operator then places the nylon wheel 301 on the rotating disk 202, ensuring that the connecting post 204 at the top of the claw 203 accurately inserts into the process orifice plate 301d on the nylon wheel 301. The operator then fine-tunes the position of the connecting post 204 to secure the nylon wheel 301, allowing it to be stably tested for subsequent testing. Furthermore, the side of the connecting post 204 has a flange 204a, against which the bottom of the process orifice plate 301d abuts, creating a certain distance between the nylon wheel 301 and the disk 201. This ensures that the nylon wheel 3 is not interfered with by the disk 201 during axial and radial peel tests, thereby improving test accuracy.

[0035] like Figure 1-3As shown, the vertical drive mechanism 1 includes a first drive shaft 101 and a second drive shaft 102 arranged in series, wherein the first drive shaft 101 is located above the second drive shaft 102 and is detachably connected. The upper end of the first drive shaft 101 is provided with a power input member 103 for driving the first drive shaft 101 to rotate or press downward. The first drive shaft 101 is detachably provided with a pressure sensor 104 to facilitate real-time monitoring of pressure changes during an axial peel test. The pressure sensor 104 is mounted on the first drive shaft 101 via a bolt connection or nested structure. This can withstand a certain amount of torque (torque applied during radial testing) or be removed during a radial peel test. A torque sensor 105 is detachably provided between the first drive shaft 101 and the second drive shaft 102. This torque sensor 105 adopts a terminal structure, which can withstand a certain amount of pressure (pressure applied during axial testing) or be removed during an axial peel test. The torque sensor 105 is a flange-type dynamic torque sensor 105, which not only improves the accuracy of torque measurement but also ensures the dynamic response capability of the system. The flange surfaces of the flange-type dynamic torque sensor 105 are aligned with the bottom of the first drive shaft 101 and the top of the second drive shaft 102, respectively. The sensor is then bolted to the two drive shafts. In an embodiment not shown, the torque sensor 105 can also be a non-contact torque sensor. The lower end of the second drive shaft 102 is detachably connected to the steel sleeve 302. The lower end of the second drive shaft 102 is equipped with an end cap 106, which has a threaded hole at the lower end of the second drive shaft 102. The top of the end cap 106 has a screw that mates with the threaded hole, allowing the end cap 106 to be quickly replaced according to the different sizes of nylon wheels 3, improving the versatility and flexibility of the equipment. The end cap 106 is detachably connected to the steel sleeve 302. The steel sleeve 302 is circumferentially provided with a plurality of slots 302a. The bottom of the end cap 106 is circumferentially provided with a plurality of blocks 106a that cooperate with the slots 302a. In this embodiment, there are four blocks 106a and four slots 302a, each corresponding to the other. The angle between two adjacent blocks 106a is 90 degrees. Of course, the number and shape of the blocks 106a and slots 302a can be configured according to actual needs, such as three, five, or six. Furthermore, the connection between the end cap 106 and the steel sleeve 302 can also adopt other detachable and fixed forms. The power input member 103 is a hydraulic cylinder or a rotary motor. A coupling 107 is also provided at the upper end of the first drive shaft 101. The coupling 107 is detachably connected to the hydraulic cylinder or rotary motor. When performing the axial peeling test, the power input member 103 is a hydraulic cylinder, the pressure sensor 104 is installed on the first drive shaft 101, and the torque sensor 105 is removed.At this time, the lower end of the first drive shaft 101 is connected to the upper end of the second drive shaft 102. The output pressure of the hydraulic cylinder transmits the pressure to the steel sleeve 302. As the pressure gradually increases, the steel sleeve 302 tends to peel axially relative to the nylon wheel body 301 until axial peeling is achieved. A pressure-time curve is measured. The pressure sensor 104 monitors and records the axial peel strength of the nylon wheel 3 in real time, providing reliable data for product quality assessment. When performing the radial peel test, the power input member 103 is switched to a rotary motor, which is a DC motor. The torque sensor 105 is installed between the first drive shaft 101 and the second drive shaft 102, and the pressure sensor 104 is removed. The DC motor is set to speed mode and its output torque is slowly adjusted. Driven by the rotating motor, the first drive shaft 101 transmits the rotational force to the second drive shaft 102. The end cap 106 then applies the rotational force to the steel sleeve 302. The output torque is slowly adjusted from 0 until the connection structure between the steel sleeve 302 and the nylon wheel body 301 begins to break, at which point the drive shaft begins to rotate. A torque-time curve is collected to apply radial peeling force to the steel sleeve 302 of the nylon wheel 3. This testing process can truly assess the bonding strength between the nylon wheel body 301 and the steel sleeve 302, as well as the axial and radial bearing capacity of the nylon wheel body 301 itself, providing strong support for product performance optimization and improvement.

[0036] like Figure 1 As shown, a testing machine includes: a workbench 4, which is a square structure to ensure that the test device is in a horizontal position. According to the above-mentioned test device for axial and radial peeling of nylon wheels with steel sleeves, the fixing mechanism 2 is arranged on the workbench 4, and the fixing mechanism 2 can fix the nylon wheel body 301 so that it remains in a horizontal state during the test, thereby ensuring the accuracy and reliability of the test data. The supporting device 5 is arranged on the workbench 4, which is used to support and fix the vertical drive mechanism 1. The supporting device 5 includes two columns 501 arranged on the workbench 4 and a crossbeam 502 arranged between the two columns 501. The columns 501 are respectively substantially parallel to the first drive shaft 101 and the second drive shaft 102. The crossbeam 502 has a through hole 502a for receiving the first drive shaft 101 and the second drive shaft 102. The power input member 103 is fixed to the crossbeam 502 through a support seat (not shown in the figure).

[0037] In an unillustrated embodiment, to test the axial and radial peeling properties of the nylon wheel 3 under different temperature environments, a temperature-controlled chamber is placed on a workbench 4. The nylon wheel 3 and the fixing mechanism 2 are both located within the chamber, and a vertical drive mechanism 1 enters the chamber from the top. The chamber is equipped with a heater and a temperature sensor to regulate the ambient temperature. The heater provides the necessary heat, while the temperature sensor continuously monitors the actual temperature within the chamber to ensure it remains within a preset range. This allows simulation of various environmental conditions, from low to high temperatures, to evaluate the performance of the nylon wheel 3 at different temperatures.

[0038] Based on the above-mentioned test device for axial and radial peeling of the nylon wheel 3 with a steel sleeve and the testing machine including the same, during the axial peeling test, the nylon wheel body 301 is fixed on the fixing mechanism 2 according to the above-mentioned method to ensure that the nylon wheel 3 is in a horizontal position; a hydraulic cylinder is selected as the power input part 103 and connected to the upper end of the first drive shaft 101; a pressure sensor 104 is installed on the first drive shaft 101 to monitor the pressure changes during the axial peeling test in real time, and the downward force is transmitted to the second drive shaft 102 through the drive of the hydraulic cylinder, and then the end cover 106 applies downward pressure to the steel sleeve 302, and applies axial force to the steel sleeve 302 of the nylon wheel 3, and the pressure sensor 104 monitors and records the peeling strength of the nylon wheel 3 in the axial direction in real time. During the radial peel test, the nylon wheel 301 is similarly secured to the mounting mechanism 2, ensuring that the nylon wheel 3 is horizontal. A rotary motor 103 is used as the power input, connected to the upper end of the first drive shaft 101. A torque sensor 105 is installed between the first drive shaft 101 and the second drive shaft 102 to monitor torque changes during the radial peel test. The rotary motor transmits rotational force to the second drive shaft 102, which is then applied by the end cap 106 to the steel sleeve 302, exerting a radial peeling force on the sleeve 302 of the nylon wheel 3. The torque sensor 105 monitors and records the radial peel strength of the nylon wheel 3 in real time.

[0039] In summary, the present invention's axial and radial peel testing device for nylon wheels with steel sleeves utilizes a vertical drive mechanism to perform axial and radial peel testing on nylon wheels. The vertical drive mechanism comprises a first and second drive shaft arranged in series, each driven by a separate power input element (e.g., a hydraulic cylinder and a rotary motor), respectively, to apply axial and radial forces to the nylon wheel's steel sleeve. During the axial peel test, the first and second drive shafts, driven by hydraulic cylinders and equipped with pressure sensors, directly apply axial forces to the nylon wheel's steel sleeve to test the nylon wheel's axial peel strength. During the radial peel test, the first and second drive shafts, driven by a rotary motor and equipped with torque sensors, apply radial peel forces to the nylon wheel's steel sleeve. Furthermore, the power input element for the radial peel test utilizes a DC motor, making the loading process more stable and enabling the acquisition of torque curves, providing valuable reference data for subsequent research. The vertical drive mechanism allows for a precise assessment of the bond strength between the nylon wheel and the steel sleeve, as well as the axial and radial load-bearing capacity of the nylon wheel itself. This utility model utilizes pressure and torque sensors to monitor and record applied pressure and torque in real time during testing, providing accurate data support for evaluating the peeling performance of nylon wheel axles. The fixing mechanism of this utility model can adjust the position of the connecting column to support and secure nylon wheels of different sizes, enabling peeling tests on nylon wheels of varying specifications, expanding its application range.

[0040] The above embodiments are preferred implementation methods of the present invention, but the implementation methods of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A testing device for axial and radial peeling of nylon wheels with steel sleeves, characterized in that: include: A nylon wheel, comprising a nylon wheel body and a steel sleeve disposed in the middle of the nylon wheel body; A fixing mechanism, the fixing mechanism is used to fix the nylon wheel body so that the nylon wheel is in a horizontal position; A vertical drive mechanism includes a first drive shaft and a second drive shaft arranged in series, wherein the first drive shaft is located above the second drive shaft and is detachably connected, the upper end of the first drive shaft is provided with a power input member for driving the first drive shaft to rotate or press downward, a pressure sensor is detachably provided on the first drive shaft, a torque sensor is detachably provided between the first drive shaft and the second drive shaft, and the lower end of the second drive shaft is detachably connected to the steel sleeve.

2. A testing device for axial and radial peeling of nylon wheels with steel sleeves according to claim 1, characterized in that: The nylon wheel body includes an outer wheel body, an inner wheel body and a plurality of reinforcing ribs. One end of each of the plurality of reinforcing ribs is fixed on the inner wheel body, while the other end thereof is extended and fixed toward the outer wheel body at a certain angle. A process orifice plate is provided between two adjacent reinforcing ribs, and the inner wheel body is fixedly connected to the steel sleeve.

3. A testing device for axial and radial peeling of nylon wheels with steel sleeves according to claim 1, characterized in that: The lower end of the second drive shaft is provided with an end cover, and the end cover is detachably connected to the steel sleeve.

4. A testing device for axial and radial peeling of nylon wheels with steel sleeves according to claim 3, characterized in that: The steel sleeve is circumferentially provided with a plurality of slots, and the bottom of the end cover is circumferentially provided with a plurality of blocks that match the slots.

5. A testing device for axial and radial peeling of nylon wheels with steel sleeves according to claim 3, characterized in that: The lower end of the second driving shaft is provided with a threaded hole, and the top of the end cover is provided with a screw matched with the threaded hole.

6. A testing device for axial and radial peeling of nylon wheels with steel sleeves according to claim 1, characterized in that: The power input component is a hydraulic cylinder or a rotary motor.

7. A testing device for axial and radial peeling of nylon wheels with steel sleeves according to claim 2, characterized in that: The fixing mechanism includes a disk body with an open bottom, a rotating disk rotatably arranged in the disk body, a disk wire provided on the upper surface of the rotating disk, a plurality of claws engaged with the disk wire provided on the rotating disk, a plurality of slide grooves provided on the top of the disk body, the claws slidably arranged in the slide grooves, a connecting column provided on the top of the claws for fixing to the process orifice plate, an annular bevel gear provided on the lower surface of the rotating disk, and a bevel gear meshing with the annular bevel gear provided on the side of the disk body.

8. A testing device for axial and radial peeling of nylon wheels with steel sleeves according to claim 7, characterized in that: The side of the connecting column is provided with a flange, and the bottom of the process orifice plate abuts against the flange.

9. A testing machine, characterized in that: include: Workbench; The testing device for axial and radial peeling of nylon wheels with steel sleeves according to any one of claims 1 to 8, wherein the fixing mechanism is arranged on the workbench; A supporting device is provided on the workbench and is used for supporting and fixing the vertical driving mechanism.

10. A testing machine according to claim 9, characterized in that: The supporting device includes two columns arranged on the workbench and a crossbeam arranged between the two columns. The crossbeam has through holes for receiving the first drive shaft and the second drive shaft. The power input member is fixed to the crossbeam through a support seat.

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