Heavy truck electric drive bridge inspection platform device

Abstract

The utility model discloses a heavy truck electric drive axle inspection platform device, and relates to the technical field of electric drive axle production equipment, the heavy truck electric drive axle inspection platform device comprises a platform, two sides of the middle part of the platform are rotatably connected with second threaded shafts, one end of each second threaded shaft is fixedly connected with a second synchronizing wheel, and the lower end of the middle part of the platform is rotatably connected with a transmission shaft. According to the utility model, the sliding support frame, the two groups of support plates and the three groups of support plates are arranged, the electric drive bridge is firstly placed at the upper ends of the three groups of support plates, and the rubber pad plays a role in buffering and increasing friction force, so that the electric drive bridge is prevented from sliding off from the support plates, and the electric drive bridge is supported by the support plates, so that a detector can perform air tightness detection on the electric drive bridge; a second servo motor drives a fixing plate to rotate, the fixing plate drives a rotating shaft and a sliding rod to rotate through a fixing base so as to drive a fixing clamping plate to rotate, the middle of the fixing clamping plate clamps the two ends of the electric drive bridge, the electric drive bridge is driven to rotate slowly, and paint surface detection on the electric drive bridge is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of electric drive axle production equipment, in particular to an inspection platform device for heavy truck electric drive axles. Background Technique

[0002] An electric drive axle is a device that converts electrical energy into mechanical energy, mainly used to drive vehicles or other means of transportation. It usually consists of one or more electric motors, a speed reducer and other related components. In electric vehicles, the electric drive axle is the power source of the vehicle, responsible for converting the electrical energy provided by the battery pack into mechanical energy to drive the vehicle forward. Compared with vehicles driven by traditional internal combustion engines, the electric drive axle has no problem of discharging exhaust gas, so it is more environmentally friendly. After the production of the electric drive axle, it is necessary to detect its performance such as paint surface and sealing performance, which generates an inspection platform.

[0003] The structure for carrying the electric drive axle on the existing electric drive axle inspection platform is too simple, and manual adjustment by workers is required to make the carrying structure fit the length of the electric drive axle. At the same time, during the inspection, workers also need to constantly rotate the electric drive axle so that all parts of the electric drive axle can be inspected. Content of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose an inspection platform device for heavy truck electric drive axles.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: An inspection platform device for heavy truck electric drive axles, including a platform. Both sides of the middle part of the platform are rotatably connected with second threaded shafts, and the threads on the surfaces of the two groups of second threaded shafts are opposite. One end of each second threaded shaft is fixedly connected with a second synchronous pulley. The middle part of the lower end of the platform is rotatably connected with a transmission shaft, and both ends of the transmission shaft are fixedly connected with second synchronous pulleys, and the two groups of second synchronous pulleys on the same side are connected by a second synchronous belt. The ends of the second threaded shafts passing through the platform are fixedly connected with rotating wheels. The surfaces of the second threaded shafts are all threadedly connected with fixing frames. The lower ends of the fixing frames are slidably connected inside the platform. Both sides of the lower ends of the fixing frames are fixedly connected with first limit blocks, and the first limit blocks are all slidably connected inside the platform. Both sides of the middle parts of the fixing frames are fixedly connected with support blocks, and the support blocks are all located on the upper surface of the platform. The upper end of the middle part of the fixing frame is fixedly connected with a cylinder. The output end of the cylinder is fixedly connected with a first mounting seat. The middle part of the first mounting seat is fixedly connected with a second servo motor. The output end of the second servo motor is fixedly connected with a fixing plate. Both the upper and lower ends of the side surface of the fixing plate away from the second servo motor are fixedly connected with two groups of fixing seats.

[0006] As a further description of the above technical solution:

[0007] One end of the upper surface of the platform is fixedly connected with a detector. Through the detector, the electric drive axle can be detected to check the paint surface and airtightness of the electric drive axle, so as to determine whether the electric drive axle meets the production requirements.

[0008] As a further description of the above technical solution:

[0009] One end of the middle part of the platform is rotatably connected with a first threaded shaft. One end of the first threaded shaft passing through the platform is fixedly connected with a first synchronous pulley. Through the first synchronous pulley, the first threaded shaft can be driven to rotate.

[0010] As a further description of the above technical solution:

[0011] One end of the platform is fixedly connected with a first servo motor. The output end of the first servo motor is fixedly connected with a first synchronous pulley. The two groups of first synchronous pulleys are connected by a first synchronous belt. By driving one group of first synchronous pulleys to rotate through the first servo motor, the first synchronous pulley drives the other group of first synchronous pulleys to rotate through the first synchronous belt.

[0012] As a further description of the above technical solution:

[0013] The surface of the first threaded shaft is threadedly connected with a sliding support frame. The lower end of the sliding support frame is slidably connected to the middle part of the platform. Both sides of the lower end of the sliding support frame are fixedly connected with limit plates. The limit plates are slidably connected inside the platform. Both sides of the middle part of the sliding support frame are fixedly connected with side support frames. The upper ends of the sliding support frame and the side support frames are fixedly connected with support plates. Rubber pads are fixedly connected to the upper ends of the support plates. By rotating the first threaded shaft, the sliding support frame is driven to slide inside the platform. Through the limitation of the limit plates, the sliding support frame slides more stably inside the first threaded shaft. The support plates at the upper ends of the side support frames and the sliding support frame can carry the electric drive axle. The three support plates can carry the electric drive axle more stably. The rubber pads play a buffering role to prevent the electric drive axle from colliding and rubbing against the support plates.

[0014] As a further description of the above technical solution:

[0015] A rotating shaft is rotatably connected to the middle parts of two fixed seats at one end of the fixing plate. A set of fixed ears are threadedly connected to the surfaces of both ends of the rotating shaft. The fixed seats fix the rotating shaft at this position, enabling the rotating shaft to rotate in the middle of the fixed seats. By rotating the rotating shaft, the fixed ears are driven to slide along the rotating shaft.

[0016] As a further description of the above technical solution:

[0017] Two sets of fixed seats in the middle of the other end of the fixed plate are rotatably connected with a sliding rod. A set of fixed ears are slidably connected to the surfaces of both ends of the sliding rod. A set of fixed clamping plates are fixedly connected to the opposite ends of the two sets of fixed ears on the same side. Rubber pads are fixedly connected to the inner sides of the fixed clamping plates. Limiting discs are fixedly connected to both ends of the rotating shaft and the sliding rod. The fixed seats fix the sliding rod in this position. When the two sets of fixed ears slide vertically along the rotating shaft, the other two sets slide along the sliding rod, so that the fixed ears drive the two sets of fixed clamping plates to open and close.

[0018] As a further description of the above technical solution:

[0019] A second mounting seat is fixedly connected to one side of the fixed plate facing the second servo motor. A third servo motor is fixedly connected to the middle of the second mounting seat. A third synchronous pulley is fixedly connected to the output end of the third servo motor. A third synchronous pulley is fixedly connected to the middle of the rotating shaft. The two third synchronous pulleys are connected by a third synchronous belt. The third servo motor drives the rotating shaft to rotate through the third synchronous pulley and the third synchronous belt.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, first place the electric drive axle on the three support plates. The first servo motor drives the first threaded shaft to rotate clockwise through the first synchronous pulley and the first synchronous belt, so that the sliding support frame slides along the first threaded shaft in the middle of the detector. When the sliding support frame drives the support plate to slide to the farthest end, the worker rotates the clockwise rotating wheel, and the rotating wheel drives the second threaded shaft to rotate. The second threaded shaft drives another set of second threaded shafts to rotate through the second synchronous pulley, the second synchronous belt and the transmission shaft, so that the two sets of fixing frames slide along the second threaded shafts in the middle of the platform. The two sets of fixing frames approach each other, so that both ends of the electric drive axle are inserted into the middle of the fixed clamping plates. The third servo motor drives the rotating shaft to rotate clockwise through the third synchronous pulley and the third synchronous belt, so that the two sets of fixed ears slide along the rotating shaft, and the two sets of fixed clamping plates clamp both ends of the electric drive axle, thus fixing the electric drive axle. Then the air cylinder drives the first mounting seat to move upward, so that the electric drive axle leaves the support plate. The electric drive axle is automatically fixed through the above structure, saving the labor intensity of workers and avoiding collision of the electric drive axle with the platform when the workers carry the electric drive axle.

[0022] 2. In the utility model, the sliding support frame and the three support plates support the three support plates. The electric drive axle is first placed on the upper ends of the three support plates. The rubber pads play a role in buffering and increasing friction, avoiding the electric drive axle from slipping off the support plates, so as to support the electric drive axle through the support plates, enabling the detector to perform airtightness detection on the electric drive axle. The second servo motor drives the fixed plate to rotate. The fixed plate drives the rotating shaft and the sliding rod to rotate through the fixed seat, thereby driving the fixed clamping plates to rotate. The middle of the fixed clamping plates clamps both ends of the electric drive axle, thus driving the electric drive axle to rotate slowly, which is convenient for performing paint surface detection on the electric drive axle. Description of the Drawings

[0023] Figure 1 is a perspective view of the present utility model;

[0024] Figure 2 is a sectional perspective view of the platform part of the present utility model;

[0025] Figure 3 is a sectional perspective structural diagram of the platform part of the present utility model;

[0026] Figure 4 is a three-dimensional structural diagram of the fixing bracket of the present utility model.

[0027] Legend:

[0028] 1. Platform; 2. Detector; 3. First threaded shaft; 4. First servo motor; 5. First synchronous pulley; 6. First synchronous belt; 7. Sliding support frame; 8. Side support frame; 9. Limiting plate; 10. Support plate; 11. Rubber pad; 12. Second threaded shaft; 13. Second synchronous pulley; 14. Transmission shaft; 15. Second synchronous belt; 16. Fixing bracket; 17. Runner; 18. First limiting block; 19. Support block; 20. First mounting seat; 21. Second servo motor; 22. Fixed plate; 23. Fixed seat; 24. Rotating shaft; 25. Second mounting seat; 26. Third servo motor; 27. Third synchronous pulley; 28. Third synchronous belt; 29. Fixed ear; 30. Fixed clamping plate; 31. Slide bar. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] Referring to Figures 1-4 , an embodiment provided by the present utility model: a heavy truck electric drive axle inspection platform device, including a platform 1. Both sides of the middle of the platform 1 are rotatably connected with second threaded shafts 12, and the threads on the surfaces of the two groups of second threaded shafts 12 are opposite. One end of the second threaded shaft 12 is fixedly connected with a second synchronous pulley 13. The lower end of the middle of the platform 1 is rotatably connected with a transmission shaft 14. Both ends of the transmission shaft 14 are fixedly connected with second synchronous pulleys 13, and the two groups of second synchronous pulleys 13 on the same side are connected by a second synchronous belt 15. One end of the second threaded shaft 12 passing through the platform 1 is fixedly connected with a runner 17. The surfaces of the second threaded shafts 12 are all threadedly connected with fixing frames 16. The lower ends of the fixing frames 16 are slidably connected inside the platform 1. Both sides of the lower ends of the fixing frames 16 are fixedly connected with first limit blocks 18, and the first limit blocks 18 are all slidably connected inside the platform 1. Both sides of the middle of the fixing frames 16 are fixedly connected with support blocks 19, and the support blocks 19 are all located on the upper surface of the platform 1. The upper end of the middle of the fixing frame 16 is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a first mounting seat 20, the middle of the first mounting seat 20 is fixedly connected with a second servo motor 21, the output end of the second servo motor 21 is fixedly connected with a fixing plate 22, and both the upper and lower ends of the side surface of the fixing plate 22 away from the second servo motor 21 are fixedly connected with two groups of fixing seats 23.

[0032] Two sets of fixing seats 23 at one end of the fixing plate 22 are rotatably connected to the middle of a rotating shaft 24. A set of fixing ears 29 are threadedly connected to both ends of the rotating shaft 24. The fixing seats 23 fix the rotating shaft 24 at this position, enabling the rotating shaft 24 to rotate in the middle of the fixing seats 23. By rotating the rotating shaft 24, the fixing ears 29 are driven to slide along the rotating shaft 24. Two sets of fixing seats 23 at the other end of the fixing plate 22 are rotatably connected to the middle of a sliding rod 31. A set of fixing ears 29 are slidably connected to both ends of the sliding rod 31. A set of fixing clamps 30 are fixedly connected to the opposite ends of the two sets of fixing ears 29 on the same side. Rubber pads 11 are fixedly connected to the inner sides of the fixing clamps 30. Limiting disks are fixedly connected to both ends of the rotating shaft 24 and the sliding rod 31. The fixing seats 23 fix the sliding rod 31 at this position. When the two sets of fixing ears 29 slide vertically along the rotating shaft 24, the other two sets slide along the sliding rod 31, so that the fixing ears 29 drive the two sets of fixing clamps 30 to open and close. A second mounting seat 25 is fixedly connected to one side of the fixing plate 22 facing the second servo motor 21. A third servo motor 26 is fixedly connected to the middle of the second mounting seat 25. A third synchronous pulley 27 is fixedly connected to the output end of the third servo motor 26. A third synchronous pulley 27 is fixedly connected to the middle of the rotating shaft 24. The two third synchronous pulleys 27 are connected by a third synchronous belt 28. The third servo motor 26 drives the rotating shaft 24 to rotate through the third synchronous pulley 27 and the third synchronous belt 28;

[0033] The surface of the first threaded shaft 3 is threadedly connected with a sliding support frame 7. The lower end of the sliding support frame 7 is slidably connected to the middle of the platform 1. Both sides of the lower end of the sliding support frame 7 are fixedly connected with limit plates 9. The limit plates 9 are slidably connected inside the platform 1. Both sides of the middle of the sliding support frame 7 are fixedly connected with side support frames 8. The upper ends of the sliding support frame 7 and the side support frames 8 are both fixedly connected with support plates 10. Rubber pads 11 are fixedly connected to the upper ends of the support plates 10. By rotating the first threaded shaft 3, the sliding support frame 7 is driven to slide inside the platform 1. Through the restriction of the limit plates 9, the sliding support frame 7 slides more stably inside the first threaded shaft 3. The support plates 10 at the upper ends of the side support frames 8 and the sliding support frame 7 can carry the electric drive axle. The three groups of support plates 10 can carry the electric drive axle more stably. The rubber pads 11 play a buffering role to prevent the electric drive axle from colliding and rubbing against the support plates 10. One end of the platform 1 is fixedly connected with a first servo motor 4. The output end of the first servo motor 4 is fixedly connected with a first synchronous pulley 5. The two first synchronous pulleys 5 are connected by a first synchronous belt 6. By driving one first synchronous pulley 5 to rotate through the first servo motor 4, the first synchronous pulley 5 drives the other first synchronous pulley 5 to rotate through the first synchronous belt 6. One end of the middle of the platform 1 is rotatably connected with a first threaded shaft 3. The first synchronous pulley 5 is fixedly connected to the end of the first threaded shaft 3 passing through the platform 1. The first threaded shaft 3 can be driven to rotate through the first synchronous pulley 5. A detector 2 is fixedly connected to one end of the upper surface of the platform 1. The electric drive axle can be detected through the detector 2 to detect the paint surface and airtightness of the electric drive axle, so as to determine whether the electric drive axle meets the production requirements.

[0034] Working principle: When in use, place the electric drive bridge on the three groups of support plates 10. The first servo motor 4 drives the first threaded shaft 3 to rotate clockwise through the first synchronous pulley 5 and the first synchronous belt 6, causing the sliding support frame 7 to slide along the first threaded shaft 3 in the middle of the detector 2. When the sliding support frame 7 drives the support plates 10 to slide to the farthest end, the sliding support frame 7 and the two groups of support the three groups of support plates 10. First, place the electric drive bridge on the upper ends of the three groups of support plates 10. The rubber pads 11 play a role in buffering and increasing friction, preventing the electric drive bridge from slipping off the support plates 10, so as to support the electric drive bridge through the support plates 10, enabling the detector 2 to perform airtightness detection on the electric drive bridge. After the detection is completed, the worker rotates the clockwise rotating wheel 17, and the rotating wheel 17 drives the second threaded shaft 12 to rotate. The second threaded shaft 12 drives another group of second threaded shafts 12 to rotate through the second synchronous pulley 13, the second synchronous belt 15 and the transmission shaft 14, so that the two groups of fixing frames 16 slide along the second threaded shafts 12 in the middle of the platform 1. The two groups of fixing frames 16 approach each other, inserting the two ends of the electric drive bridge into the middle of the fixing clamping plates 30. The third servo motor 26 drives the rotating shaft 24 to rotate clockwise through the third synchronous pulley 27 and the third synchronous belt 28, so that the two groups of fixing ears 29 slide along the rotating shaft 24, clamping the two ends of the electric drive bridge with the two groups of fixing clamping plates 30, thus fixing the electric drive bridge. The air cylinder drives the first mounting seat 20 to move upward, so that the electric drive bridge leaves the support plates 10. Then, the first servo motor 4 drives the first threaded shaft 3 to rotate counterclockwise through the first synchronous pulley 5 and the first synchronous belt 6, causing the sliding support frame 7 to move a certain distance along the first threaded shaft 3 towards the first servo motor 4. Then the first servo motor 4 stops rotating. The second servo motor 21 drives the fixing plate 22 to rotate. The fixing plate 22 drives the rotating shaft 24 and the sliding rod 31 to rotate through the fixing seat 23, thus driving the fixing clamping plate 30 to rotate. The middle of the fixing clamping plate 30 clamps the two ends of the electric drive bridge, thus driving the electric drive bridge to rotate slowly, facilitating the paint surface detection of the electric drive bridge. After the detection is completed, the first servo motor 4 drives the first threaded shaft 3 to rotate clockwise, causing the sliding support frame 7 to drive the support plates 10 to move to the lower end of the electric drive bridge. The air cylinder drives the first mounting seat 20 to move downward, making the electric drive bridge fall to the middle of the support plates 10. Then, the third servo motor 26 drives the rotating shaft 24 to rotate counterclockwise through the third synchronous pulley 27 and the third synchronous belt 28, causing the fixing ears 29 to slide along the rotating shaft 24 and the sliding rod 31, separating the two groups of fixing clamping plates 30 from each other, thus releasing the electric drive bridge. Then the worker rotates the rotating wheel 17 counterclockwise, and the second threaded shaft 12 rotates through the second synchronous pulley 13, the second synchronous belt 15 and the transmission shaft 14, thus driving the two groups of fixing frames 16 to move away from each other. The first servo motor 4 drives the first threaded shaft 3 to rotate counterclockwise through the first synchronous pulley 5 and the first synchronous belt 6, driving the sliding support frame 7 to move to one end of the platform 1, facilitating the worker to remove the detected electric drive bridge and place the electric drive bridge to be detected. Then repeat the above operations to detect the new electric drive bridge. The electric drive bridge is automatically fixed through the above structure, saving the labor intensity of workers.Meanwhile, it is necessary to avoid the workers from colliding the electric drive axle with the platform when carrying it.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A heavy truck electric drive axle inspection platform device, comprising a platform (1), characterized in that: The second threaded shaft (12) is rotatably connected to both sides of the middle of the platform (1), and the threads on the surfaces of the two groups of second threaded shafts (12) are opposite. One end of the second threaded shaft (12) is fixedly connected to a second synchronous wheel (13). The lower end of the middle of the platform (1) is rotatably connected to a transmission shaft (14). Both ends of the transmission shaft (14) are fixedly connected to second synchronous wheels (13), and the two groups of second synchronous wheels (13) located on the same side are connected by a second synchronous belt (15). One end of the second threaded shaft (12) passing through the platform (1) is fixedly connected to a rotating wheel (17). The surface of the second threaded shaft (12) is threadedly connected to a fixing frame (16). The lower end of the fixing frame (16) is slidably connected to the inside of the platform (1). The fixing frame (16) is fixedly connected to first limit blocks (18) on both sides of the lower end, and the first limit blocks (18) are slidably connected to the inside of the platform (1); the fixing frame (16) is fixedly connected to support blocks (19) on both sides of the middle part, and the support blocks (19) are located on the upper surface of the platform (1); the fixing frame (16) is fixedly connected to a cylinder on the upper end of the middle part, and the output end of the cylinder is fixedly connected to a first mounting seat (20); the middle part of the first mounting seat (20) is fixedly connected to a second servo motor (21); the output end of the second servo motor (21) is fixedly connected to a fixing plate (22); and the fixing plate (22) is fixedly connected to two sets of fixing seats (23) on the upper and lower ends of a side surface away from the second servo motor (21).

2. The heavy truck electric drive axle inspection platform device according to claim 1, characterized in that: A detector (2) is fixedly connected to one end of the upper surface of the platform (1).

3. The heavy truck electric drive axle inspection platform device according to claim 1 is characterized by: One end of the middle part of the platform (1) is rotatably connected to a first threaded shaft (3), and one end of the first threaded shaft (3) that passes through the platform (1) is fixedly connected to a first synchronous wheel (5).

4. The heavy truck electric drive axle inspection platform device according to claim 3 is characterized by: One end of the platform (1) is fixedly connected to a first servo motor (4), an output end of the first servo motor (4) is fixedly connected to a first synchronous wheel (5), and two groups of the first synchronous wheels (5) are connected via a first synchronous belt (6).

5. The heavy truck electric drive axle inspection platform device according to claim 4 is characterized by: A sliding support frame (7) is threadedly connected to the surface of the first threaded shaft (3); the lower end of the sliding support frame (7) is slidably connected to the middle of the platform (1); both sides of the lower end of the sliding support frame (7) are fixedly connected to limit plates (9); the limit plates (9) are slidably connected inside the platform (1); both sides of the middle of the sliding support frame (7) are fixedly connected to side support frames (8); the upper ends of the sliding support frame (7) and the side support frame (8) are fixedly connected to support plates (10); and the upper ends of the support plates (10) are fixedly connected to rubber pads (11).

6. The heavy truck electric drive axle inspection platform device according to claim 1, characterized in that: A rotating shaft (24) is rotatably connected in the middle of two groups of fixing seats (23) located at one end of the fixing plate (22), and a group of fixing ears (29) are threadedly connected on the surfaces of both ends of the rotating shaft (24).

7. The heavy truck electric drive axle inspection platform device according to claim 6 is characterized by: The middle parts of the two groups of fixed seats (23) located at the other end of the fixed plate (22) are rotatably connected with a sliding rod (31), and the surfaces at both ends of the sliding rod (31) are slidably connected with a group of fixing ears (29), and the opposite ends of the two groups of fixing ears (29) located on the same side are fixedly connected with a group of fixing clamping plates (30), and the inner side surfaces of the fixing clamping plates (30) are fixedly connected with rubber pads (11), and the rotating shaft (24) and the two ends of the sliding rod (31) are fixedly connected with limit plates.

8. The heavy truck electric drive axle inspection platform device according to claim 7 is characterized by: A second mounting seat (25) is fixedly connected to a side of the fixed plate (22) facing the second servo motor (21); a third servo motor (26) is fixedly connected to the middle of the second mounting seat (25); a third synchronous wheel (27) is fixedly connected to the output end of the third servo motor (26); a third synchronous wheel (27) is fixedly connected to the middle of the rotating shaft (24); and two groups of the third synchronous wheels (27) are connected via a third synchronous belt (28).

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