A wheel reducer testing device

Abstract

The utility model discloses a wheel reducer test device for detecting materials, including a frame, a clamping assembly, a driving assembly and a protective assembly. The clamping assembly is connected to the frame and used to clamp the material. The driving assembly has a fixed end and a rotating end. The fixed end of the driving assembly is connected to the frame, and the rotating end is detachably connected to the material, and is used to drive the material to rotate around its rotation axis. The protective assembly includes a first protective member, which is connected to the frame and has a first state of covering the clamping assembly and the material and a second state of being separated from the clamping assembly and the material. The first protective member has a hollow structure that allows the clamping assembly and the material to pass through. The utility model can solve the problem of potential safety hazards caused by the fact that the wheel reducer test fixture does not take protective measures for the rotating workpiece when in use.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle wheel reducers, in particular to a wheel reducer testing device. Background Art

[0002] As an important component in the travel system of heavy-duty engineering vehicles, the wheel-side reducer needs to undergo rigorous qualification tests before leaving the factory to ensure safety.

[0003] For example, the Chinese utility model patent with application number: CN201020207679.9, named: A vehicle wheel reducer test device, including wheel reducer I, wheel reducer II, reducer I, reducer II, dynamometer I and dynamometer II, the output end of wheel reducer I is connected to dynamometer I through reducer I, simulating the resistance loading test of the front tire; the output end of wheel reducer II is connected to dynamometer II through reducer II, simulating the resistance loading test of the rear tire. The device uses a test platform, an eddy current dynamometer, a reducer and a coupling, etc., to connect to the wheel reducer and simulate tire resistance loading, and can complete the loading, fatigue strength, transmission efficiency, temperature rise and other tests of wheel reducers of different types of vehicles. However, the test tooling did not take protective measures for the dynamometer, wheel reducer and reducer when in use, which poses a safety hazard.

[0004] Therefore, there is an urgent need for a wheel reducer testing device to solve the problem in the prior art that the wheel reducer testing tooling does not take protective measures for the rotating workpiece when in use, thus causing safety hazards. Utility Model Content

[0005] In view of this, it is necessary to provide a wheel reducer testing device to solve the technical problem in the prior art that the wheel reducer testing tooling does not take protective measures for the rotating workpiece when in use, thus causing safety hazards.

[0006] In order to achieve the above technical purpose, the technical solution of the utility model provides a wheel reducer testing device for detecting materials, including:

[0007] frame;

[0008] A clamping assembly, connected to the frame, for clamping materials;

[0009] A driving assembly having a fixed end and a rotating end, wherein the fixed end of the driving assembly is connected to the frame, and the rotating end is detachably connected to the material, and is used to drive the material to rotate around its rotation axis; and

[0010] The protection component includes a first protection piece, which is connected to the frame and has a first state covering the clamping component and the material and a second state disengaging from the clamping component and the material. The first protection piece has a hollow structure allowing the clamping component and the material to pass through.

[0011] Further, the driving component includes a rotating shaft, a wheel-side driving shaft assembly and a silent motor. The rotating shaft is rotatably connected to the frame. The wheel-side driving shaft assembly is arranged relative to the clamping component and connected to the rotating shaft, and a part of the wheel-side driving shaft assembly extends to be connected to the material. The fixed end of the silent motor is connected to the frame, and the output shaft of the silent motor is connected to the side of the rotating shaft away from the clamping component.

[0012] Further, the driving component further includes a support seat and a motor cover. The support seat is arranged between the wheel-side driving shaft assembly and the output shaft of the silent motor and connected to the frame. The support seat is also provided with a rotating hole. One end of the rotating shaft is connected to the output shaft of the silent motor, and the other end passes through the rotating hole and is connected to the wheel-side driving shaft assembly. The motor cover covers the rotating shaft and the silent motor and is connected to the support seat, and one side of the motor cover facing the clamping component is open.

[0013] Further, the first protection piece is in a "C" shape, and the opening of the first protection piece faces downward and covers the motor cover. The first protection piece has a first state of sliding close to the clamping component and a second state of sliding away from the clamping component.

[0014] Further, the protection component further includes two slide rails, two sliding strips and at least one first driving piece. The two slide rails are parallel to each other and arranged at intervals on both sides of the motor cover and extend along the direction close to the clamping component. The sliding strips are arranged in one-to-one correspondence with the slide rails. One end of the sliding strip is slidably sleeved on the slide rail, and the other end is connected to the opening end of the first protection piece. The first driving piece is connected to the frame and one of the sliding strips for driving the first protection piece to slide along the guidance of the slide rail.

[0015] Furthermore, the clamping assembly includes a support frame, at least one first clamping member, two second clamping members and a third clamping member. The support frame is arranged at a side opening opposite to the motor cover and is connected to the frame, and the support frame is provided with a through hole allowing the wheel-side drive shaft assembly to pass through. The first clamping member is arranged above the wheel-side drive shaft assembly and is connected to the support frame, and the first clamping member is detachably connected to the material. Two second clamping members are arranged at intervals on both sides of the wheel-side drive shaft assembly and are both connected to the support frame, and both second clamping members are detachably connected to the material. The third clamping member is arranged below the wheel-side drive shaft assembly and is connected to the support frame, and the third clamping member is detachably connected to the material.

[0016] Furthermore, the number of the first clamping members in the clamping assembly is two, and the two first clamping members are arranged in sequence above the wheel-side drive shaft assembly at intervals along the height direction of the support frame, and are both connected to the support frame, and the two first clamping members are detachably connected to the material.

[0017] Furthermore, the clamping assembly also includes a fourth clamping member, which is spaced apart from the support frame, and has a fixed end and an abutting end. The fixed end of the fourth clamping member is connected to the frame, and the abutting end is arranged relative to the material and can abut against the material, so as to assist the first clamping member, the two second clamping members and the third clamping member to clamp the material.

[0018] Furthermore, the protective assembly also includes a second protective member, which is parallel to the support frame and is spaced apart at the farthest end of the slide rail away from the motor cover, and is slidably connected to the frame, and the second protective member can be raised and lowered along its setting direction to shield materials.

[0019] Furthermore, a accommodating cavity is opened inside the frame, and the wheel-side reducer testing device also includes an oil storage tank, an electrical control component and a flow sensor. The oil storage tank is built into the accommodating cavity and is connected to the frame. The electrical control component is connected to the frame and has an oil inlet end and an oil outlet end. The oil inlet end of the electrical control component is connected to the interior of the oil storage tank, and the oil outlet end is connected to the material. The flow sensor is arranged at the oil inlet end of the electrical control component.

[0020] Compared with the prior art, the beneficial effects of the utility model include: a clamping assembly is provided on the frame for facilitating the disassembly and installation of materials, the fixed end of the driving assembly is connected to the frame, and the movable end is detachably connected to the material, and is used to drive the material to rotate around the rotation axis of the rotating end of the driving assembly to detect the performance of the material, and the first protective member is connected to the frame, and a hollow structure is provided relative to the clamping assembly and the material to allow the material to pass through, so that the first protective member has a first state of covering the clamping assembly and the material and a second state of being detached from the clamping assembly and the material. Compared with the prior art, the material is driven to rotate by setting the rotating end of the driving assembly to be detachably connected to the material, and the performance of the material is tested, and at the same time, the first protective member slidably connected to the frame is used to cover the rotating clamping assembly and the material, so that the clamping assembly and the material are shielded and protected from the worker or operator, which can solve the technical problem in the prior art that the wheel-side reducer test fixture does not take protective measures for the rotating workpiece when in use, thereby causing safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of a wheel reducer testing device provided by an embodiment of the utility model;

[0022] Figure 2 It is a front view structural schematic diagram of a wheel reducer testing device provided by an embodiment of the utility model;

[0023] Figure 3 It is a structural schematic diagram of another viewing angle of a wheel reducer testing device provided by an embodiment of the utility model;

[0024] Figure 4 This is another perspective structural schematic diagram of a wheel reducer testing device provided by an embodiment of the utility model;

[0025] Figure 5 It is a schematic diagram of a three-dimensional structure in which a frame, a support frame, a first clamping member, a second clamping member, a third clamping member, a fourth clamping member and a second protective member are connected, provided by an embodiment of the utility model;

[0026] Figure 6 It is a three-dimensional structural schematic diagram from another perspective of the frame, support frame, first clamping member, second clamping member, third clamping member, fourth clamping member and second protective member provided by an embodiment of the utility model.

[0027] Description of reference numerals:

[0028] Rack 1;

[0029] Clamping assembly 2;

[0030] Support frame 21;

[0031] A first clamping member 22;

[0032] A second clamping member 23;

[0033] A third clamping member 24;

[0034] A fourth clamping member 25;

[0035] Drive component 3;

[0036] Rotating shaft 31;

[0037] Wheel side drive shaft assembly 32;

[0038] Silent motor 33;

[0039] Support seat 34;

[0040] Motor cover 35;

[0041] Protection component 4;

[0042] A first protective member 41;

[0043] Slide rail 42;

[0044] Slide bar 43;

[0045] A first driving member 44;

[0046] A second protective member 45;

[0047] Oil tank 5

[0048] Electrical control parts 6

[0049] Flow sensor 7. DETAILED DESCRIPTION

[0050] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0051] See also Figures 1 to 3 The utility model provides a wheel-side reducer testing device for detecting materials, including a frame 1, a clamping assembly 2, a driving assembly 3 and a protective assembly 4. The clamping assembly 2 is connected to the frame 1 and is used to clamp materials. The driving assembly 3 has a fixed end and a rotating end. The fixed end of the driving assembly 3 is connected to the frame 1, and the rotating end is detachably connected to the material, and is used to drive the material to rotate around its rotating axis 31. The protective assembly 4 includes a first protective member 41, which is connected to the frame 1 and has a first state in which it covers the clamping assembly 2 and the material and a second state in which it is detached from the clamping assembly 2 and the material. The first protective member 41 has a hollow structure that allows the clamping assembly 2 and the material to pass through.

[0052] In this device, a clamping assembly 2 is provided on the frame 1 for facilitating the disassembly and installation of materials. The fixed end of the driving assembly 3 is connected to the frame 1, and the movable end is detachably connected to the material, and is used to drive the material to rotate around the rotating axis 31 of the rotating end of the driving assembly 3 to detect the performance of the material. The first protective member 41 is connected to the frame 1, and a hollow structure is provided relative to the clamping assembly 2 and the material to allow the first protective member 41 to pass through, so that the first protective member 41 has a first state in which it covers the clamping assembly 2 and the material and a second state in which it is detached from the clamping assembly 2 and the material.

[0053] Compared with the prior art, the rotating end of the driving component 3 is detachably connected to the material to drive the material to rotate and test the performance of the material. At the same time, the first protective member 41 slidably connected to the frame 1 is used to cover the clamping component 2 and the material after rotation, so that the clamping component 2 and the material are shielded and protected from the workers or operators. This can solve the technical problem in the prior art that the wheel-side reducer test fixture does not take protective measures for the rotating workpiece when in use, thereby causing safety hazards.

[0054] Furthermore, the material in the device is a wheel-side reducer to be tested, and the wheel-side reducers here are of various different models, and the clamping assembly 2 can stably clamp the wheel-side reducers of various models.

[0055] like Figure 2 , Figure 3 As shown, the driving assembly 3 includes a rotating shaft 31 , a wheel side driving shaft assembly 32 , a silent motor 33 , a supporting base 34 and a motor cover 35 .

[0056] like Figures 4 to 6 As shown, the clamping assembly 2 includes a support frame 21 , at least one first clamping member 22 , two second clamping members 23 , a third clamping member 24 , and a fourth clamping member 25 .

[0057] Among them, the support frame 21 is set with an opening on one side relative to the motor cover 35 and is connected to the frame 1, and the support frame 21 is provided with a through hole allowing the wheel-side drive shaft assembly 32 to pass through, the first clamping member 22 is set above the wheel-side drive shaft assembly 32 and is connected to the support frame 21, and the first clamping member 22 can be detachably connected to the material, the two second clamping members 23 are set at intervals on both sides of the wheel-side drive shaft assembly 32, and are both connected to the support frame 21, and the two second clamping members 23 can be detachably connected to the material, the third clamping member 24 is set below the wheel-side drive shaft assembly 32 and is connected to the support frame 21, and the third clamping member 24 can be detachably connected to the material.

[0058] The support frame 21 connects the first clamping member 22, the second clamping member 23 and the third clamping member 24. At the same time, at least one first clamping member 22, two second clamping members 23 and the third clamping member 24 are distributed around the wheel-side drive shaft assembly 32, and are respectively detachably connected to the material for clamping the material.

[0059] Furthermore, the first clamping member 22 and the second clamping member 23 each include two fixed seats, a connecting shaft, two rotating sleeves and two abutment shafts. The two fixed seats are spaced apart from each other on both sides of the wheel-side drive shaft assembly 32 and are both connected to the support frame 21. The connecting shaft is connected to the two fixed seats. The two rotating sleeves are spaced apart from each other and are both rotatably sleeved on the connecting shaft. The rotating sleeve has a threaded hole relative to the material. The abutment shaft has a threaded end and an abutment end. The threaded end of the abutment shaft is threadedly connected to the threaded hole, and the abutment end of the abutment shaft can abut against the material.

[0060] Specifically, both rotating sleeves can slide along the axis of the connecting shaft, so that the interval between the two rotating sleeves can be adjusted.

[0061] Furthermore, the third clamping member 24 includes a fixed seat, a connecting shaft, a rotating block and an abutment shaft. The two fixed seats are respectively arranged on both sides of the wheel-side drive shaft assembly 32 and are both connected to the support frame 21. The connecting shaft is rotatably connected to the fixed seat, the rotating block is connected to the connecting shaft and can rotate relative to the fixed seat, the rotating block is provided with a threaded hole relative to the material, the abutment shaft has a threaded end and an abutment end, the threaded end of the abutment shaft is threadedly connected to the threaded hole, and the abutment end of the abutment shaft can abut against the material.

[0062] As an implementation method, Figure 5 As shown, the fourth clamping member 25 is spaced apart from the support frame 21, and the fourth clamping member 25 has a fixed end and an abutting end. The fixed end of the fourth clamping member 25 is connected to the frame 1, and the abutting end is arranged relative to the material and can abut against the material, and is used to assist the first clamping member 22, the two second clamping members 23 and the third clamping member 24 to clamp the material.

[0063] The fourth clamping member 25 is detachably connected to the material and is used to support the bottom of the material to improve the stability of the connection between the material and the clamping assembly 2.

[0064] Specifically, the fourth clamping member 25 in the present device includes two fixed seats, a connecting shaft, a rotating sleeve and two abutment shafts. The two fixed seats are arranged at intervals on both sides of the wheel-side drive shaft assembly 32 and are both connected to the support frame 21. The connecting shaft is connected to the two fixed seats. The rotating sleeve is arranged on the connecting shaft and can rotate relative to the connecting shaft. The rotating sleeve has a threaded hole relative to the material. The abutment shaft has a threaded end and an abutment end. The threaded end of the abutment shaft is threadedly connected to the threaded hole and abuts against the connecting shaft to limit the rotation of the rotating sleeve relative to the connecting shaft. The abutment end of the abutment shaft can abut against the material.

[0065] As a preferred implementation method, Figure 5 As shown, there are two first clamping members 22 in the clamping assembly 2. The two first clamping members 22 are arranged above the wheel-side drive shaft assembly 32 in sequence and spaced apart along the height direction of the support frame 21, and are both connected to the support frame 21. The two first clamping members 22 are detachably connected to the material.

[0066] The two first clamping members 22 are arranged in sequence along the height direction of the support frame 21 to increase the clamping force of the clamping assembly 2 on the material, improve stability, and increase the applicable range of the clamping assembly 2 for clamping materials of different types.

[0067] As an implementation method, Figures 3 to 6 As shown, the rotating shaft 31 is rotatably connected to the frame 1, the wheel-side drive shaft assembly 32 is arranged relative to the clamping component 2 and connected to the rotating shaft 31, and the wheel-side drive shaft assembly 32 partially extends and is connected to the material, the fixed end of the silent motor 33 is connected to the frame 1, and the output shaft of the silent motor 33 is connected to the side of the rotating shaft 31 away from the clamping component 2.

[0068] The wheel side driving shaft assembly 32 is driven to rotate by providing a rotating shaft 31 and a silent motor 33 .

[0069] Furthermore, the silent motor 33 is a three-phase motor that is common and easy to purchase on the market, and the rotating shaft 31 is also provided with a high-speed spindle bearing that is common and easy to purchase on the market to reduce noise, which will not be elaborated here.

[0070] As another implementation method, Figure 3 As shown, the support seat 34 is arranged between the wheel-side drive shaft assembly 32 and the output shaft of the silent motor 33, and is connected to the frame 1. The support seat 34 is also provided with a rotating hole. One end of the rotating shaft 31 is connected to the output shaft of the silent motor 33, and the other end passes through the rotating hole and is connected to the wheel-side drive shaft assembly 32. The motor cover 35 is covered on the rotating shaft 31 and the silent motor 33, and is connected to the support seat 34, and the motor cover 35 is open on one side relative to the clamping assembly 2.

[0071] The support base 34 is used to support and connect the rotation of the rotating shaft 31. At the same time, the motor cover 35 is used to protect the three-phase motor, improving safety and stability.

[0072] Furthermore, the motor cover 35 is a common metal protective cover housing on the market and is provided with heat dissipation openings, which are conventional settings well-known to those skilled in the art and will not be elaborated further here.

[0073] As one implementation, as Figure 1 、 Figure 2 shown, the first protective member 41, the first protective member 41 is in a "C" shape, and the opening of the first protective member 41 faces downward and covers the motor cover 35. The first protective member 41 has a first state of sliding close to the clamping assembly 2 and a second state of sliding away from the clamping assembly 2.

[0074] The first protective member 41 can slide relative to the frame 1 and can cover the motor cover 35 or the clamping assembly 2 and the material. When the first protective member 41 covers the material, it is used to shield and protect the material. When the first protective member 41 covers the motor cover 35, it can facilitate the loading and unloading of the material, making it convenient for the user to operate.

[0075] Specifically, in this device, the first protective member 41 is a metal fence composed of square tubes and grille plates, which not only has a protective function but also allows the user to conveniently observe the detection status. Here, the square tubes and grille plates are common and easily purchasable devices on the market, which are conventional settings well-known to those skilled in the art and will not be elaborated further.

[0076] As Figure 2 、 Figure 6 shown, the protection assembly 4 further includes two slide rails 42, two sliding strips 43 and at least one first driving member 44, and a second protective member 45.

[0077] Among them, the two slide rails 42 are parallel to each other and are arranged at intervals on both sides of the motor cover 35 and extend in the direction close to the clamping assembly 2. The sliding strips 43 are arranged in one-to-one correspondence with the slide rails 42. One end of the sliding strip 43 is slidably sleeved on the slide rail 42, and the other end is connected to the open end of the first protective member 41. The first driving member 44 is connected to the frame 1 and one sliding strip 43 and is used to drive the first protective member 41 to slide along the guide of the slide rail 42.

[0078] The cooperation of the slide rail 42 and the sliding strip 43 plays a role in connecting and guiding the first protective member 41, and the first driving member 44 plays a role in driving the sliding of the first protective member 41 relative to the frame 1.

[0079] Specifically, in the present device, the first driving member 44 is arranged at the top of the motor cover 35, the fixed end of the first driving member 44 is connected to the motor cover 35, and the movable end is connected to the first protective member 41, which is used to drive the first protective member 41 to slide relative to the frame. Here, the first driving member 44 is a linear driving structure that is common and easy to purchase on the market, and will not be described in detail here.

[0080] As another implementation method, Figure 2 As shown, the second guard 45 is parallel to the support frame 21 and is spaced apart at the farthest end of the slide rail 42 away from the motor cover 35, and is slidably connected to the frame 1, and the second guard 45 can be raised and lowered along its setting direction to shield materials.

[0081] Since the first protective member 41 can slide relative to the motor cover 35 and cover the motor cover 35 or the material, the first protective member 41 has an opening allowing the support frame 21 to pass through, and the second protective member 45 can be raised and lowered relative to the frame 1 and can block the opening to enhance protection and improve safety.

[0082] Furthermore, the frame 1 is provided with a slide groove, and the second protective member 45 includes a protective plate, a sliding part and a second driving part. The protective plate is slidably inserted in the slide groove, one end of the sliding part is connected to the protective plate, and the other end is slidably connected to the inner wall of the slide groove. The second driving part is connected to the sliding part and the frame 1, and is used to drive the protective plate to slide relative to the slide groove.

[0083] like Figure 3 , Figure 4 As shown, a accommodating cavity is opened inside the frame 1, and the wheel-side reducer testing device also includes an oil storage tank 5, an electrical control component 6 and a flow sensor 7. The oil storage tank 5 is built in the accommodating cavity and is connected to the frame 1. The electrical control component 6 is connected to the frame 1 and has an oil inlet end and an oil outlet end. The oil inlet end of the electrical control component 6 is connected to the interior of the oil storage tank 5, and the oil outlet end is connected to the material. The flow sensor 7 is arranged at the oil inlet end of the electrical control component 6.

[0084] The electrical control component 6 is used to inject the lubricating oil in the oil storage tank 5 into the material, and the flow sensor 7 is used to measure the injection amount of the lubricating oil.

[0085] Furthermore, the electrical control component 6 here is an electrical control system that is common and easy to purchase on the market. This is a conventional setting well known to those skilled in the art and will not be described in detail here.

[0086] The specific working process of the utility model is that a clamping assembly 2 is provided on the frame 1 for facilitating the disassembly and installation of materials, the fixed end of the driving assembly 3 is connected to the frame 1, and the movable end is detachably connected to the material, and is used to drive the material to rotate around the rotating shaft 31 of the rotating end of the driving assembly 3 to detect the performance of the material, and the first protective member 41 is connected to the frame 1, and a hollow structure is provided relative to the clamping assembly 2 and the material to allow them to pass through, so that the first protective member 41 has a first state of covering the clamping assembly 2 and the material and a second state of being separated from the clamping assembly 2 and the material. Compared with the prior art, the rotating end of the driving assembly 3 is detachably connected to the material to drive the material to rotate, and the performance of the material is tested, and at the same time, the first protective member 41 slidably connected to the frame 1 is used to cover the clamping assembly 2 and the material after rotation, so that the clamping assembly 2 and the material are shielded and protected from the worker or operator.

[0087] Through the above structure, the device can solve the technical problem in the prior art that the wheel-side reducer test fixture does not take protective measures for the rotating workpiece when in use, thus causing safety hazards.

[0088] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A wheel reducer testing device for testing materials, characterized in that: Comprising: Frame; Clamping assembly, connected to the frame for clamping materials; Drive assembly, having a fixed end and a rotating end, the fixed end of the drive assembly is connected to the frame, and the rotating end is detachably connected to the material, for driving the material to rotate around its rotation axis; And Protection assembly, including a first protection member, the first protection member is connected to the frame, and has a first state covering the clamping assembly and the material and a second state disengaging from the clamping assembly and the material, and the first protection member has a hollow structure allowing the clamping assembly and the material to pass through.

2. The wheel reducer testing device according to claim 1, characterized in that: The drive assembly includes a rotating shaft, a wheel-side drive shaft assembly and a silent motor, the rotating shaft is rotatably connected to the frame, the wheel-side drive shaft assembly is disposed opposite the clamping assembly and connected to the rotating shaft, and a part of the wheel-side drive shaft assembly extends to be connected to the material, the fixed end of the silent motor is connected to the frame, and the output shaft of the silent motor is connected to the side of the rotating shaft away from the clamping assembly.

3. The wheel reducer testing device according to claim 2, characterized in that: The drive assembly further includes a support seat and a motor cover, the support seat is disposed between the wheel-side drive shaft assembly and the output shaft of the silent motor and connected to the frame, the support seat is further provided with a rotating hole, one end of the rotating shaft is connected to the output shaft of the silent motor, the other end passes through the rotating hole and is connected to the wheel-side drive shaft assembly, the motor cover covers the rotating shaft and the silent motor and is connected to the support seat, and the side of the motor cover opposite the clamping assembly is open.

4. The wheel reducer testing device according to claim 3, characterized in that: The first protection member, the first protection member is in a "C" shape, and the opening of the first protection member is downward and covers the motor cover, and the first protection member has a first state of sliding close to the clamping assembly and a second state of sliding away from the clamping assembly.

5. The wheel reducer testing device according to claim 4, characterized in that: The protection assembly further includes two slide rails, two sliding strips and at least one first driving member, the two slide rails are parallel to each other and spaced on both sides of the motor cover and extend in the direction close to the clamping assembly, the sliding strips are arranged in one-to-one correspondence with the slide rails, one end of the sliding strip is slidably sleeved on the slide rail, the other end is connected to the open end of the first protection member, and the first driving member is connected to the frame and one of the sliding strips for driving the first protection member to slide along the guide of the slide rail.

6. The wheel reducer testing device according to claim 5, characterized in that: The clamping assembly includes a support frame, at least one first clamping member, two second clamping members and a third clamping member, the support frame is provided with an opening on the side opposite the motor cover and connected to the frame, and the support frame is provided with a through hole allowing the wheel-side drive shaft assembly to pass through, the first clamping member is disposed above the wheel-side drive shaft assembly and connected to the support frame, and the first clamping member is detachably connected to the material, the two second clamping members are spaced from each other on both sides of the wheel-side drive shaft assembly and are both connected to the support frame, and the two second clamping members are both detachably connected to the material, the third clamping member is disposed below the wheel-side drive shaft assembly and connected to the support frame, and the third clamping member is both detachably connected to the material.

7. The wheel reducer testing device according to claim 6, characterized in that: There are two first clamping members in the clamping assembly, and the two first clamping members are arranged above the wheel-side drive shaft assembly in sequence and spaced apart along the height direction of the support frame, and are both connected to the support frame, and the two first clamping members are detachably connected to the material.

8. The wheel reducer testing device according to claim 7, characterized in that: The clamping assembly also includes a fourth clamping member, which is spaced apart from the support frame and has a fixed end and an abutting end. The fixed end of the fourth clamping member is connected to the frame, and the abutting end is arranged relative to the material and can abut against the material, so as to assist the first clamping member, the two second clamping members and the third clamping member to clamp the material.

9. The wheel reducer testing device according to claim 6, characterized in that: The protection assembly also includes a second protection member, which is parallel to the support frame and spaced apart at the farthest end of the slide rail away from the motor cover, and is slidably connected to the frame. The second protection member can be raised and lowered along its setting direction to shield materials.

10. The wheel reducer testing device according to claim 2, characterized in that: A accommodating cavity is provided inside the frame, and the wheel-side reducer testing device also includes an oil storage tank, an electrical control component and a flow sensor. The oil storage tank is built into the accommodating cavity and is connected to the frame. The electrical control component is connected to the frame and has an oil inlet end and an oil outlet end. The oil inlet end of the electrical control component is connected to the interior of the oil storage tank, and the oil outlet end is connected to the material. The flow sensor is arranged at the oil inlet end of the electrical control component.

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