Moving wheel service life detection device

Abstract

The utility model provides a device for detecting the service life of a moving wheel, relates to the technical field of detection equipment, and solves the technical problems of long consumed time, multiple repeated actions and high labor intensity when the moving wheel is manually taken for detecting the service life. The moving wheel service life testing device comprises a clamping mechanism, a testing belt, a discharging mechanism and a storage mechanism. The clamping mechanism is arranged on one side of the testing belt and is used for fixing a moving wheel to be tested; the test belt is located below the to-be-tested moving wheel, so that the service life is tested when the moving wheel makes contact with the test belt; the discharging mechanism is arranged on the other side of the testing belt and used for taking down the tested moving wheels from the clamping mechanism and then placing the moving wheels on the testing belt. And the storage mechanism is arranged at one end of the testing belt and is used for bearing the tested moving wheels conveyed by the testing belt. According to the utility model, full automation of service life testing can be realized, labor intensity is reduced, and testing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection equipment technical field especially is related to a mobile wheel life detection device. BACKGROUND

[0002] Dehumidifier, mobile machine and so on are equipped with mobile wheels for the convenience, and batch arrival needs to carry out random life detection to verify the batch mobile wheel quality stability. The existing mobile wheel life detection method is to manually take the mobile wheel to carry out sliding test, which not only has long test time, many repeated actions and high labor intensity. UTILITY MODEL CONTENT

[0003] The utility model discloses a mobile wheel life detection device to solve the technical problem of long time, many repeated actions and high labor intensity in the prior art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] The utility model provides a mobile wheel life test device, which comprises a clamping mechanism, a test belt, a discharging mechanism and a storage mechanism.

[0006] The clamping mechanism is arranged on one side of the test belt to fix the mobile wheel to be tested.

[0007] The test belt is located below the mobile wheel to be tested to carry out life test when the mobile wheel contacts the test belt.

[0008] The discharging mechanism is arranged on the other side of the test belt to put the tested mobile wheel on the test belt after being taken off from the clamping mechanism.

[0009] The storage mechanism is arranged at one end of the test belt to receive the tested mobile wheel conveyed by the test belt.

[0010] The utility model provides a mobile wheel life test device, which comprises a clamping mechanism, a test belt, a discharging mechanism and a storage mechanism. The clamping mechanism can fix the mobile wheel to be tested on the test belt to complete automatic life detection, replace manual test with automatic test, realize automatic life test of the mobile wheel of the dehumidifier and the mobile machine, put the tested mobile wheel on the test belt after being taken off from the clamping mechanism through the discharging mechanism, realize automatic discharging and conveying, realize full automation of life test, reduce labor intensity and improve test efficiency.

[0011] As a further improvement of the utility model, it further comprises a supporting frame, and the test belt is arranged on the top of the supporting frame.

[0012] As a further improvement of the utility model, the clamping mechanism comprises a jacking cylinder, a connecting plate, a driving motor, a magnetic disk tooling and a limiting structure.

[0013] The output end of the jacking cylinder is connected with the connecting plate, and the connecting plate can be driven to vertically ascend and descend.

[0014] The driving motor is transmissionally connected with the magnetic disk tooling after penetrating through the connecting plate, and the magnetic disk tooling can be driven to horizontally rotate.

[0015] The limiting structure is arranged on the magnetic disk tooling and is used for limiting the mobile wheel to be tested which is adsorbed on the bottom of the magnetic disk tooling.

[0016] As a further improvement of the utility model, a plurality of test stations are arranged on the magnetic disk tooling in a circumferential direction, and the limiting structure is arranged at each test station.

[0017] A plurality of test stations are arranged on the magnetic disk tooling, and each test station can fix a mobile wheel, so that the life of a plurality of mobile wheels can be sequentially detected, and the tedious process of single mobile wheel detection is replaced by multi-station detection, and the test efficiency is improved.

[0018] As a further improvement of the utility model, the limiting structure comprises a limiting through hole and / or a limiting clamping groove.

[0019] As a further improvement of the utility model, the number of jacking cylinders is two, and the jacking cylinders are arranged in parallel and at intervals.

[0020] As a further improvement of the utility model, the blanking mechanism comprises a fixed plate, a pushing cylinder, a clamping jaw cylinder and a clamping jaw piece.

[0021] The pushing cylinder is fixed on the top of the fixed plate.

[0022] The clamping jaw cylinder is fixed on the pushing cylinder and can horizontally extend and retract under the driving of the pushing cylinder.

[0023] The clamping jaw piece is connected with the clamping jaw cylinder and can approach or move away under the driving of the clamping jaw cylinder to clamp or release the mobile wheel.

[0024] As a further improvement of the utility model, the storage mechanism comprises a storage box.

[0025] As a further improvement of the utility model, the number of the clamping mechanism and the blanking mechanism is two, and the clamping mechanism and the blanking mechanism are arranged in one-to-one correspondence along the extension direction of the test belt.

[0026] By setting two sets of clamping mechanisms, two moving wheels can be tested at the same time, and the tedious process of single moving wheel test is replaced by multiple wheel simultaneous test, thereby improving the test efficiency.

[0027] The method for testing the service life of the moving wheel by the moving wheel service life testing device comprises the following steps:

[0028] A plurality of moving wheels are fixed on the clamping mechanism for test preparation.

[0029] When the test preparation is completed, the clamping mechanism is started to align one of the moving wheels with the test belt and make the moving wheel contact the test belt.

[0030] The test belt is started to complete the service life test of the moving wheel at a set speed and time parameter.

[0031] When the service life test is completed, the test belt is turned off, and the unloading mechanism and the clamping mechanism cooperate to take the moving wheel that has completed the test from the clamping mechanism and put it on the test belt.

[0032] The test belt is started to convey the moving wheel that has completed the test to the storage mechanism.

[0033] The detection method is completed by the moving wheel service life testing device, the moving wheel service life testing device adopts a test belt, the test belt can be set to run at a speed (V) within a certain range. Through two groups of moving wheel clamping mechanisms, each clamping mechanism has four-station disk tooling. After the lifting cylinder is lifted, the tester places the moving wheel to be tested on the disk tooling. The disk tooling is provided with a limiting through hole and a limiting slot to adapt to the moving wheel model. During the test, the lifting cylinder falls, the moving wheel contacts the test belt, the running speed of the belt line is set, and after running for a set time (T), the front advancing type unloading mechanism clamps the test moving wheel. After the lifting cylinder is lifted, the unloading mechanism is opened and retracted, the tested moving wheel is located on the belt line, and moves along the belt line and falls into the rear storage box. After the first station test is completed, the clamping mechanism drives the disk tooling to rotate to the second station for continuous test, and the test of all stations is completed in this way. The moving wheel test driving distance (S=VT) is obtained by calculating the speed and running time, and the moving wheel test wear state is combined to determine whether the service life of the moving wheel is greater than the current test distance. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0035] Figure 1 is the top view of the mobile wheel life detection device of the utility model;

[0036] Figure 2 is the front view of the mobile wheel life detection device of the utility model;

[0037] Figure 3 is the side view of the mobile wheel life detection device of the utility model;

[0038] Figure 4 is the three-dimensional structure schematic view (one) of the mobile wheel life detection device of the utility model;

[0039] Figure 5 is the three-dimensional structure schematic view (two) of the mobile wheel life detection device of the utility model;

[0040] Figure 6 is the three-dimensional structure schematic view (three) of the mobile wheel life detection device of the utility model;

[0041] Figure 7 is the three-dimensional structure schematic view (one) of the clamping mechanism and the blanking mechanism in the mobile wheel life detection device of the utility model

[0042] Figure 8 is the three-dimensional structure schematic view (two) of the clamping mechanism and the blanking mechanism in the mobile wheel life detection device of the utility model;

[0043] Figure 9 is the three-dimensional structure schematic view (one) of the clamping mechanism in the mobile wheel life detection device of the utility model;

[0044] Figure 10 is the three-dimensional structure schematic view (one) of the blanking mechanism in the mobile wheel life detection device of the utility model;

[0045] Figure 11 is the three-dimensional structure schematic view (two) of the clamping mechanism in the mobile wheel life detection device of the utility model;

[0046] Figure 12 is the three-dimensional structure schematic view (two) of the blanking mechanism in the mobile wheel life detection device of the utility model;

[0047] Figure 13 is the structure schematic view of the storage box in the mobile wheel life detection device of the utility model.

[0048] Fig. 1, clamping mechanism; 11, jacking cylinder; 12, connecting plate; 13, drive motor; 14, magnetic disk tooling; 15, limiting through hole; 16, limiting clamping groove; 2, test belt; 3, blanking mechanism; 31, fixed plate; 32, advancing cylinder; 33, clamping jaw cylinder; 34, clamping jaw clamping piece; 4, storage box; 5, support frame; 6, moving wheel; 61, jacking post. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0050] As Figures 1-13 shown, the utility model provides a moving wheel life test device, including clamping mechanism 1, test belt 2, blanking mechanism 3, storage mechanism, wherein:

[0051] Clamping mechanism 1 is arranged at one side of test belt 2 to fix the moving wheel 6 to be tested;

[0052] Test belt 2 is below the moving wheel 6 to be tested to carry out life test when the moving wheel 6 contacts test belt 2;

[0053] Blanking mechanism 3 is arranged at the other side of test belt 2 to put the moving wheel 6 after finishing test from clamping mechanism 1 on test belt 2;

[0054] Storage mechanism is arranged at one end of test belt 2 to receive the moving wheel 6 after finishing test conveyed by test belt 2.

[0055] The utility model provides a moving wheel 6 life test device, including clamping mechanism 1, test belt 2, blanking mechanism 3, storage mechanism, clamping mechanism 1 can fix the moving wheel 6 to be tested to test belt 2, can complete automatic life detection, replaces manual work by automatic test, realizes the automatic test of the moving wheel 6 life of dehumidifier, mobile machine, can realize the moving wheel 6 after finishing test from clamping mechanism 1 by blanking mechanism 3 and put on test belt 2, realizes automatic blanking and conveying, realizes the full automation of life test, reduces labor intensity, improves test efficiency.

[0056] In order to facilitate the fixation of each mechanism, the embodiment also includes support frame 5, and test belt 2 is arranged on the top of support frame 5.

[0057] The support frame 5 is provided with a support plate, and the clamping mechanism 1 and the feeding mechanism 3 are fixed at both ends of the support plate respectively, so that the clamping mechanism 1 and the feeding mechanism 3 are located at both sides of the test belt 2 respectively.

[0058] As shown in the drawings, Figures 1-13 In the embodiment, the clamping mechanism 1 comprises a jacking cylinder 11, a connecting plate 12, a driving motor 13, a magnetic disk tool 14 and a limiting structure.

[0059] The output end of the jacking cylinder 11 is connected with the connecting plate 12, and can drive the connecting plate 12 to lift vertically; the connecting plate 12 is horizontally arranged, and one end is connected with the jacking cylinder;

[0060] The driving motor 13 is in transmission connection with the magnetic disk tool 14 after penetrating through the connecting plate 12, and can drive the magnetic disk tool 14 to rotate horizontally; further, the driving motor 13 is installed at the other end of the connecting plate 12; the magnetic disk tool 14 is made of a material with magnetism, which can be made of a permanent magnet material; the magnetic disk tool 14 can also adopt an electromagnetic structure, of course, the electromagnetic structure needs to be equipped with more components, and the structure will be more complex. In the embodiment, only the electromagnetic tool 14 of the permanent magnet is adopted, for example, as shown in the drawings, the electromagnetic tool 14 is disc-shaped, the entire disc-shaped electromagnetic tool 14 can be made of a permanent magnet, or a layer of permanent magnet layer can be arranged at the bottom of the disc-shaped electromagnetic tool 14, and the moving wheel 6 is adsorbed by using magnetism; the upper part of the moving wheel 6 is made of a metal material that can be magnetically adsorbed. Of course, the magnetic attraction between the magnetic disk tool 14 and the moving wheel 6 should be greater than the gravity of the moving wheel 6, so as to prevent the moving wheel 6 from falling due to insufficient attraction when the moving wheel 6 is installed. Figure 7 The limiting structure is arranged on the magnetic disk tool 14, and is used for limiting the moving wheel 6 to be tested which is adsorbed at the bottom of the magnetic disk tool 14. By the limiting structure, the moving wheel 6 is prevented from being taken away by the test belt 2 when the moving wheel 6 contacts the test belt 2 and the test belt 2 moves, so that the life detection cannot be completed.

[0061] In order to further improve the test efficiency, in the embodiment, a plurality of test stations are arranged on each magnetic disk tool 14 in the circumferential direction, and a limiting structure is arranged at each test station. For example, as shown in the drawings, four test stations are arranged on the magnetic disk tool 14, and the life detection of the four moving wheels 6 can be completed in sequence; after being installed once, the detection work of a plurality of moving wheels 6 can be completed without personnel care, so that the detection efficiency is greatly improved.

[0062] Figure 11

[0063] ​​By setting a plurality of test stations on the magnetic disk tool 14, each test station can fix a mobile wheel 6, so that the life detection of a plurality of mobile wheels 6 can be realized in turn, and the tedious process of single mobile wheel 6 test is replaced by multi-station test, and the test efficiency is improved. In this way, the number of manual mobile wheel 6 can be reduced, and personnel follow-up test is not required in the process, thereby improving the test efficiency.

[0064] Considering that the top of the mobile wheel 6 has different structures, in the utility model, the limiting structure has two forms, one is the limiting through hole 15 arranged on the magnetic disk tool 14, and the other is the limiting clamping groove 16 arranged at the bottom of the magnetic disk tool 14. If the mobile wheel 6 to be tested has only one top structure, then only the limiting through hole 15 or the limiting clamping groove 16 can be arranged, but in order to expand the application range, the limiting through hole 15 and the limiting clamping groove 16 can be arranged at the same time, as shown in the figure. Figure 11 When the top of the mobile wheel 6 is a top column 61 structure, the limiting through hole 15 can be used for limiting, as shown in the figure. Figure 9 If the top of the mobile wheel 6 is a rectangular boss, then the limiting clamping groove 16 can be used for limiting.

[0065] The mobile wheel 6 to be tested in the utility model has two structures, and the magnetic disk tool 14 can meet the compatibility. There are four stations under a single magnetic disk tool 14, four mobile wheels 6 can be installed at a time, and the test is carried out in turn.

[0066] In order to improve the jacking stability and ensure the stability of the test process, in the embodiment, the number of jacking cylinders 11 is two, and the two jacking cylinders 11 are arranged side by side and spaced apart. Two groups of cylinders can provide strong supporting force, and at the same time, the stability of jacking can be ensured.

[0067] A group of two jacking cylinders 11 is installed on the connecting plate 12 of the clamping mechanism 1. Before testing, the jacking cylinder 11 is jacked up, the operator places the mobile wheel 6 to be tested on the magnetic disk tool 14 after adsorption, the jacking cylinder 11 is lowered to press the mobile wheel 6 to the test belt 2 for testing, and after the test is completed, the driving motor 13 drives the magnetic disk tool 14 to rotate, so as to test the next mobile wheel 6 in turn.

[0068] As shown in the figure, Figures 1-13 As an optional embodiment of the utility model, the blanking mechanism 3 includes a fixed plate 31, a pushing cylinder 32, a clamping jaw cylinder 33 and a clamping jaw clamping piece 34. Wherein:

[0069] The pushing cylinder 32 is fixed on the top of the fixed plate 31.

[0070] The clamping jaw cylinder 33 is fixed on the pushing cylinder 32 and can be horizontally telescopic under the driving of the pushing cylinder 32.

[0071] The gripper plate 34 is connected to the gripper cylinder 33 and can move closer to or further away from the gripper cylinder 33 to grip or release the moving wheel 6.

[0072] In use, the push cylinder 32 is installed on the fixed plate 31 of the unloading mechanism 3. After the test of the moving wheel 6 is completed, the push cylinder 32 drives the gripper cylinder 33 and the gripper clip 34 forward. The gripper clip 34 clamps the moving wheel 6 under the drive of the gripper cylinder 33 and places it on the test belt 2.

[0073] like Figure 13 As shown, the storage mechanism includes storage box 4.

[0074] To further improve testing efficiency, two sets of clamping mechanism 1 and unloading mechanism 3 are each set, corresponding to each other along the extension direction of test belt 2. Of course, in addition to two sets, three, four or more sets can be set, but when the number of sets is large, the length of the corresponding test belt 2 needs to be longer, and the space occupied will be larger. It is also necessary to consider the space available for the actual arrangement location and select the optimal number of sets.

[0075] By setting up two sets of clamping mechanisms 1, the testing of two moving wheels 6 can be carried out simultaneously. The simultaneous testing of multiple wheels replaces the cumbersome process of testing a single moving wheel 6, thus improving testing efficiency.

[0076] Furthermore, the present invention provides a life testing method for a mobile wheel life testing device, comprising the following steps:

[0077] Step S1: Fix several movable wheels 6 onto the clamping mechanism 1 to prepare for testing;

[0078] Step S2: When the test preparation is completed, the clamping mechanism 1 is activated so that one of the moving wheels 6 is aligned with the test belt 2 and makes contact with the test belt 2.

[0079] Step S3: Turn on the test belt 2 to complete the life test of one of the moving pulleys 6 at the set speed and time parameters;

[0080] Step S4: When the life test is completed, turn off the test belt 2, and the unloading mechanism 3 and the clamping mechanism 1 cooperate to remove the moving wheel 6 that has completed the test from the clamping mechanism 1 and put it onto the test belt 2.

[0081] Step S5: Turn on the test belt 2 to transport the completed test wheel 6 into the storage mechanism.

[0082] After completing step S5, return to step S2. The clamping structure 1 is activated to align the other moving wheel 6 with the test belt 2 and make contact with the test belt 2. Then, complete steps S3, S4, and S5 in sequence to complete the life test of the second moving wheel. Repeat this process until the moving wheel tests of the four stations are completed.

[0083] The testing method provided by this utility model is completed by a life testing device for movable wheel 6. The device uses a test belt 2, the speed of which can be customized within a certain range (V). Two sets of movable wheel 6 clamping mechanisms 1 are used, each with a four-position disk fixture 14. After the lifting cylinder 11 lifts the wheel, the tester places the movable wheel 6 to be tested onto the disk fixture 14. The disk fixture 14 is equipped with limiting through holes 15 and limiting slots 16 to accommodate different movable wheel 6 models. During testing, the lifting cylinder 11 lowers, the movable wheel 6 contacts the test belt 2, the belt speed is set, and after a set time (T), the front push-type unloading mechanism 3 clamps the movable wheel 6. After the lifting cylinder 11 lifts the wheel, the unloading mechanism 3 opens and retracts, and the tested movable wheel 6, located on the belt, moves along the belt and falls into the rear storage box 4. After the first station test is completed, the drive motor 13 on the clamping mechanism 1 drives the disk fixture 14 to rotate to the second station for further testing, and so on to complete all station tests. The test travel distance of the moving wheel 6 (S=VT) is obtained by calculating the speed and running time. Combined with the wear status of the moving wheel 6 after the test, it is determined whether the lifespan of the moving wheel 6 is greater than the current test distance.

[0084] First, it should be noted that "inward" refers to the direction towards the center of the storage space, while "outward" refers to the direction away from the center of the storage space.

[0085] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the appendix. Figure 1 The orientations or positional relationships shown are for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0086] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0087] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can pass through the indirect connection of intermediate medium, can be the communication of two element internals or the interaction relationship of two elements, unless another definite limitation.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0088] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium.Moreover, the first feature "above", "over" and "on" the second feature can be directly above or obliquely above the first feature, or simply indicate that the first feature is higher than the second feature in horizontal height.The first feature "below", "under" and "under" the second feature can be directly below or obliquely below the first feature, or simply indicate that the first feature is lower than the second feature in horizontal height.

[0089] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In this specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example.Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples.

[0090] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model.Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A device for testing the lifespan of a mobile wheel, characterized in that, Includes a clamping mechanism, a test belt, a feeding mechanism, and a storage mechanism; among which: The clamping mechanism is located on one side of the test belt and is used to fix the moving wheel to be tested; The test belt is located below the movable wheel to be tested, so that a life test can be performed when the movable wheel comes into contact with the test belt; The unloading mechanism is located on the other side of the test belt and is used to remove the completed test wheel from the clamping mechanism and place it onto the test belt. The storage mechanism is located at one end of the test belt and is used to receive the moving wheel that has completed the test, which is transported by the test belt.

2. The mobile wheel life testing device according to claim 1, characterized in that, It also includes a support frame, with the test belt positioned on top of the support frame.

3. The mobile wheel life testing device according to claim 1, characterized in that, The clamping mechanism includes a lifting cylinder, a connecting plate, a drive motor, a disk fixture, and a limiting structure; wherein: The output end of the lifting cylinder is connected to the connecting plate, which can drive the connecting plate to move vertically up and down. The drive motor passes through the connecting plate and is connected to the disk fixture, which can drive the disk fixture to rotate horizontally. The limiting structure is disposed on the disk fixture and is used to limit the test moving wheel that is attached to the bottom of the disk fixture.

4. The mobile wheel life testing device according to claim 3, characterized in that, The disk fixture has several test stations arranged circumferentially, and each test station is provided with the limiting structure.

5. The mobile wheel life testing device according to claim 3 or 4, characterized in that, The limiting structure includes a limiting through hole and / or a limiting slot.

6. The mobile wheel life testing device according to claim 3, characterized in that, The number of lifting cylinders is two, arranged side by side with intervals.

7. The mobile wheel life testing device according to claim 1, characterized in that, The unloading mechanism includes a fixed plate, a propulsion cylinder, a gripper cylinder, and gripper clamping plates; wherein: The propulsion cylinder is fixed to the top of the fixed plate; The gripper cylinder is fixed on the propulsion cylinder and can extend and retract horizontally under the drive of the propulsion cylinder; The gripper clips are connected to the gripper cylinder and can move closer to or further away from the moving wheel under the action of the gripper cylinder to grip or release it.

8. The mobile wheel life testing device according to claim 1, characterized in that, The storage mechanism includes a storage box.

9. The mobile wheel life testing device according to claim 1, characterized in that, The clamping mechanism and the unloading mechanism are both in sets of two, and are set up one-to-one along the extension direction of the test belt.

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