Electric drive axle assembly detection device

By designing an electric drive axle assembly detection device including an adjustment body and a support body, the sliding connection, telescopic rod, limiting structure and hydraulic rod can achieve flexible adjustment and stable positioning of the drive axle, which solves the inability to adapt to existing equipment. The detection problems of drive axles of different sizes improve the applicability and stability of the detection.

CN222481830UActive Publication Date: 2025-02-14INNER MONGOLIA YUANSU MENGTAI INTELLIGENT HYDROGEN COMMERCIAL VEHICLE CO LTD
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Patent Information

Application Number
CN202421186692.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-02-14
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

The existing operation and testing equipment has a single structure, which is inconvenient to adjust, and it is impossible to position and fix the drive axle assembly of different lengths and sizes, resulting in the operation and testing of drive axle assembly of different sizes that requires different detection equipment, which increases the equipment cost and is applicable. The performance is low, and the drive axle assembly is prone to offset during the detection process, which affects the normal progress of the detection work.

Method used

An electric drive axle assembly detection device is designed, including an adjustment body and a support body arranged in a matching position with upper and lower positions. The flexible adjustment and positioning of the drive axle is achieved through sliding connections and telescopic rods, and the limit structure and hydraulic rods are used to achieve the adjustment of the drive axle. Stable positioning in the middle section of the drive axle.

Benefits of technology

It realizes flexible adjustment and positioning of drive axle assembly of different lengths and sizes, avoids the increase in equipment costs, improves the applicability and stability of inspection, and ensures the normal progress of inspection work.

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    Figure CN222481830U_ABST
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Abstract

The utility model relates to the technical field of drive axle assemblies, in particular to an electric drive axle assembly detection device which comprises an adjusting main body and a supporting main body which are arranged in an up-and-down matched mode, the adjusting main body and the supporting main body are in sliding connection at the same time, and the bottom end of the supporting main body is fixedly connected with a base. The adjusting main body comprises a first adjusting table and a second adjusting table which are movably butted, inner adjusting tables are movably connected to the inner ends of the first adjusting table and the second adjusting table, and supports are fixedly connected to the bottoms of the outer ends of the first adjusting table and the second adjusting table. The effect of pushing the limiting frame to conduct overturning adjustment with the connecting point of the limiting frame and the outer mounting frame as a fulcrum is achieved through the hydraulic rod, the effect of driving the limiting rod to conduct adjustment inside and outside is achieved through the limiting frame, and the effect of clamping and limiting the two sides of the middle section of the outer drive axle is achieved through the limiting rod.
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Description

Technical Field

[0001] The utility model relates to the technical field of drive axle assemblies, in particular to an electric drive axle assembly detection device. Background Art

[0002] The automobile drive axle assembly includes a wheel-side reducer, a brake assembly, a wheel hub assembly, a steering knuckle, a support shaft assembly, a wheel-side drive shaft, an upper swing arm connection assembly and a lower swing arm connection assembly. The support shaft assembly is a hollow shaft. The wheel-side drive shaft passes through the interior of the support shaft assembly and is connected to the wheel-side reducer. The wheel hub assembly is installed on the support shaft assembly. The automobile drive axle is at the end of the power transmission system. Its basic function is to increase the torque transmitted by the drive shaft or transmission and reasonably distribute the power to the left and right drive wheels. In addition, it also bears the vertical force, longitudinal force and lateral force acting between the road surface and the frame or body. The drive axle is generally composed of a main reducer, a differential, a wheel transmission device and a drive axle housing.

[0003] During the processing of automobile drive axle assemblies, it is necessary to perform operation inspection on them. Most of the existing operation inspection equipment has a single structure, which is not easy to adjust and cannot position and fix drive axle assemblies of different lengths. As a result, the operation inspection of drive axle assemblies of different sizes needs to rely on different inspection equipment, which increases the equipment cost and has low applicability. In addition, most of the existing operation inspection equipment only fixes the bridge arms on both sides of the drive axle assembly, which causes the drive axle assembly to easily shift during the inspection process, thereby affecting the normal progress of the inspection work, making it inconvenient to use and not very practical.

[0004] Therefore, the utility model proposes an electric drive axle assembly detection device. Utility Model Content

[0005] In view of the defects in the prior art, the utility model provides an electric drive axle assembly detection device, which can solve the following problems: the existing operation detection equipment is mostly single in structure, inconvenient to adjust, and cannot position and fix drive axle assemblies of different lengths and sizes, resulting in the need to rely on different detection equipment for the operation detection of drive axle assemblies of different sizes, which increases the equipment cost and has low applicability. In addition, most of the existing operation detection equipment only fixes the bridge arms on both sides of the drive axle assembly, resulting in the drive axle assembly being easily offset during the detection process, thereby affecting the normal progress of the detection work, being inconvenient to use, and having low practicality.

[0006] In order to solve the above technical problems, the utility model proposes the following technical solutions:

[0007] A detection device for an electric drive axle assembly comprises an adjustment body and a support body which are matched with each other in upper and lower positions, the adjustment body and the support body are slidably connected at the same time, the bottom end of the support body is fixedly connected to a base, the adjustment body comprises a first adjustment platform and a second adjustment platform which are movably connected to each other, the inner ends of the first adjustment platform and the second adjustment platform are movably connected to an inner adjustment platform, the bottom of the outer ends of the first adjustment platform and the second adjustment platform are fixedly connected to a support, the inner end of the support is fixedly connected to a first telescopic rod, the tops of the first adjustment platform and the second adjustment platform are fixedly provided with a slot, the inside of the slot is fixedly connected to a second telescopic rod, the top of the second telescopic rod is fixedly connected to a first limiting structure, the support body comprises a support platform and guide grooves on the surfaces of its two ends, and the surface of the support body is movably provided with a second limiting structure.

[0008] Furthermore, the first adjustment platform and the second adjustment platform are both configured as rectangular platforms, and the butting ends of the first adjustment platform and the second adjustment platform are both provided with rectangular recesses, and the outer ends of the first adjustment platform and the second adjustment platform are both provided with rectangular recesses corresponding to the first limiting structure.

[0009] Furthermore, the outer end of the inner adjustment platform is connected to the inner recessed position of the butt end of the first adjustment platform and the second adjustment platform by turning the shaft.

[0010] Furthermore, the first limiting structure is arranged in an "L" shape as a whole, including a limiting bottom plate and a limiting top plate that are movably connected, buffer pads are fixedly connected to both sides of the bottom of one end of the limiting bottom plate, side plates are fixedly connected to both sides of the top of one end of the limiting bottom plate, and wing plates that are fitted with the side plates are fixedly connected to both sides of the bottom end of the limiting top plate.

[0011] Furthermore, the support is arranged vertically, and the bottom end is movably embedded in the guide groove. The first telescopic rod is arranged as an electric telescopic rod and is horizontally located on the top of the supporting body.

[0012] Furthermore, the limiting bottom plate is arranged horizontally in the form of a rectangular plate, the bottom end is fixedly connected to the second telescopic rod at a central position, and the limiting bottom plate is integrally embedded in the rectangular concave position at the outer ends of the first adjustment platform and the second adjustment platform.

[0013] Furthermore, a driving shaft of a matching driving mechanism is movably passed through the wing plate and the side plate, the limiting top plate is configured as a transverse arc plate, and the buffer pad is configured as a sponge pad.

[0014] Furthermore, the support platform is configured as a rectangular platform, the surface of which is configured to be trapezoidally concave, and the second limiting structures are relatively distributed in two groups, and are configured on both sides of the trapezoidally concave position of the surface of the support platform.

[0015] Furthermore, the second limiting structure includes an external mounting frame and a limiting frame and a hydraulic rod that fit the concave position of the support platform. The limiting frame and the hydraulic rod are fixedly connected, and the limiting frame and the external mounting frame are movably connected through an axis. It also includes a limiting rod that is movably connected to the top of the limiting frame through an axis.

[0016] Furthermore, the outer mounting frame is arranged in an "L" shape as a whole, the outer end is movably connected to the upper section of the limit frame, the limit frame is arranged vertically as a whole, the limit rod and the limit frame are arranged in an "L" shape as a whole, and the inner end of the limit rod is arranged as a hard rubber head.

[0017] It can be seen from the above technical solution that the beneficial effects of the utility model are:

[0018] 1. The inner adjustment table is used to support and limit the positions on both sides of the middle section of the drive axle.

[0019] 2. The first telescopic rod cooperates with the support that is slidably connected to the support body to achieve the effect of driving the first adjustment platform and the second adjustment platform to slide and adjust inside and outside the top of the support body. The support cooperates with the guide groove to ensure the stability of the inside and outside sliding of the first adjustment platform and the second adjustment platform. The first adjustment platform and the second adjustment platform are movably connected to each other to achieve the effect of facilitating the adjustment and support of the external drive axle according to the size of the external drive axle. At the same time, the docking ends of the first adjustment platform and the second adjustment platform are provided with rectangular recesses to facilitate the placement of the middle section of the drive axle and subsequent detection thereof. The rectangular recesses provided at the outer ends of the first adjustment platform and the second adjustment platform are convenient for the lifting and lowering adjustment of the first limiting structure.

[0020] 3. The buffer pad is used to provide buffering protection for the entire first limit structure during its lifting and lowering process. The movable limit top plate is used to achieve the effect of flipping and adjusting to press down and fix the two ends of the external drive axle. The wing plate and side plate with a drive shaft are used to control the flipping and adjustment of the entire limit top plate.

[0021] 4. The hydraulic rod is used to push the limit frame to use the connection point with the external mounting frame as a fulcrum for flipping and adjustment, and the limit frame is used to drive the limit rod to adjust inside and outside, and the limit rod is used to clamp and limit the positions on both sides of the middle section of the external drive axle. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0023] Figure 1It is a front view of the overall structure of the utility model;

[0024] Figure 2 This is a front view of the adjusting main body connection structure in the utility model;

[0025] Figure 3 For the utility model Figure 2 The structure at A in the middle is enlarged;

[0026] Figure 4 This is a schematic diagram of the connection of the first limiting structure in the utility model;

[0027] Figure 5 This is a front view of the supporting main body connection structure in the utility model;

[0028] Figure 6 For the utility model Figure 5 Enlarged view of the structure at point B in the middle.

[0029] Reference numerals:

[0030] 1. Support body; 2. Base; 3. Adjustment body; 4. First adjustment platform; 5. Second adjustment platform; 6. Inner adjustment platform; 7. Support; 8. First telescopic rod; 9. Slot; 10. First limiting structure; 11. Second telescopic rod; 12. Limiting bottom plate; 13. Side plate; 14. Buffer pad; 15. Wing plate; 16. Limiting top plate; 17. Support platform; 18. Guide groove; 19. Second limiting structure; 20. Limiting frame; 21. Limiting rod; 22. Hydraulic rod; 23. External mounting frame. DETAILED DESCRIPTION

[0031] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0032] See also Figure 1-6As shown, an electric drive axle assembly detection device includes an adjustment body 3 and a support body 1 that are matched and arranged in upper and lower positions. The adjustment body 3 and the support body 1 are slidably connected at the same time. The bottom end of the support body 1 is fixedly connected to a base 2. The adjustment body 3 includes a first adjustment platform 4 and a second adjustment platform 5 that are movably connected. The inner ends of the first adjustment platform 4 and the second adjustment platform 5 are both movably connected to an inner adjustment platform 6. The bottoms of the outer ends of the first adjustment platform 4 and the second adjustment platform 5 are both fixedly connected to a support 7. The inner ends of the support 7 are fixedly connected to a first telescopic rod 8. The tops of the first adjustment platform 4 and the second adjustment platform 5 are fixedly provided with a slot 9. The inside of the slot 9 is fixedly connected to a second telescopic rod 11. The top of the second telescopic rod 11 is fixedly connected to a first limiting structure 10. The support body 1 includes a support platform 17 and its two end surfaces. The guide groove 18 of the surface, the surface of the support body 1 is movably provided with a second limiting structure 19. After the drive axle is placed on the support body 1 for support positioning, the middle section is located at the trapezoidal concave part of the surface of the support platform 17. Then the user starts the hydraulic rod 22, and the hydraulic rod 22 pushes the limiting frame 20 to flip and adjust inside and outside. At the same time, the limiting frame 20 drives the limiting rod 21 to contact both sides of the middle section of the drive axle. The user manually adjusts the angle between the limiting rod 21 and the top of the limiting frame 20 to ensure the contact stability between the limiting rod 21 and the outer side of the middle section of the drive axle, and then completes the stable positioning of the middle section of the drive axle. At the same time, the user can flip and adjust the two groups of limiting rods 21 in the two groups of second limiting structures 19 at different angles to adapt to the surfaces on both sides of the middle section of the drive axle and ensure a better positioning effect.

[0033] In the embodiment of the utility model, the first adjustment platform 4 and the second adjustment platform 5 are both configured as rectangular platforms, and the first adjustment platform 4 and the second adjustment platform 5 are both provided with rectangular inner recesses at the butt ends thereof, and the outer ends of the first adjustment platform 4 and the second adjustment platform 5 are both provided with rectangular inner recesses corresponding to the first limiting structure 10, and the outer end of the inner adjustment platform 6 is connected to the inner recess positions of the butt ends of the first adjustment platform 4 and the second adjustment platform 5 by flipping the shaft, so that the inner adjustment platform 6 is used to achieve the effect of supporting and limiting the positions on both sides of the middle section of the drive axle.

[0034] The first limiting structure 10 is arranged in an "L" shape as a whole, including a limiting bottom plate 12 and a limiting top plate 16 that are movably connected. The bottom of one end of the limiting bottom plate 12 is fixedly connected with a buffer pad 14 on both sides, and the top of one end of the limiting bottom plate 12 is fixedly connected with a side plate 13 on both sides. The bottom of the limiting top plate 16 is fixedly connected with a wing plate 15 that is arranged in contact with the side plate 13 on both sides. The support 7 is vertically arranged, and the bottom end is movably embedded in the guide groove 18. The first telescopic rod 8 is arranged as an electric telescopic rod, and is horizontally located at the top of the support body 1. The first telescopic rod 8 cooperates with the support 7 that is slidably connected to the support body 1 to drive the first adjustment platform 4 and the second The adjusting platform 5 can be slid and adjusted inside and outside the top of the supporting body 1. The support 7 cooperates with the guide groove 18 to ensure the stability of the sliding movement of the first adjusting platform 4 and the second adjusting platform 5. The first adjusting platform 4 and the second adjusting platform 5 are arranged in a movable docking manner to facilitate the adjustment and support of the external drive axle according to the size of the external drive axle. At the same time, the docking ends of the first adjusting platform 4 and the second adjusting platform 5 are provided with rectangular recesses, which are convenient for placing the middle section of the drive axle and then for subsequent detection. The rectangular recesses arranged at the outer ends of the first adjusting platform 4 and the second adjusting platform 5 are convenient for the lifting and lowering adjustment of the first limiting structure 10.

[0035] The limiting bottom plate 12 is a rectangular plate arranged horizontally, and the bottom end is fixedly connected to the second telescopic rod 11 at the center position. At the same time, the limiting bottom plate 12 is integrally embedded in the rectangular concave position at the outer ends of the first adjustment platform 4 and the second adjustment platform 5. The driving shaft of a matching driving mechanism is movably passed through the wing plate 15 and the side plate 13. The limiting top plate 16 is arranged as a horizontal arc plate, and the buffer pad 14 is arranged as a sponge pad. The buffer pad 14 achieves the effect of buffering and protecting the first limiting structure 10 during the lifting and lowering process. The movably arranged limiting top plate 16 achieves the effect of flipping and adjusting to press down and fix the two ends of the external drive bridge. The wing plate 15 and the side plate 13 provided with the driving shaft achieve the effect of controlling the limiting top plate 16 to flip and adjust as a whole.

[0036] The user places the external drive axle as a whole on the support body 1, and adjusts the length of the two groups of adjustment platforms in the support body 1 according to the size of the external drive axle. When adjusting, the first telescopic rod 8 is extended and retracted to push the support 7 to slide in the guide groove 18. At the same time, the first adjustment platform 4 and the second adjustment platform 5 move outward, and the rectangular inner recess spacing of the two groups of adjustment platforms at the butt ends is adjusted at the same time, so that the middle section of the external drive axle is limited there. After that, the user manually adjusts the flip angle of the inner adjustment platform 6 at the inner end position of the adjustment platform structure to support the middle section of the drive axle from both sides. When fixing the two ends of the drive axle, the drive shaft arranged between the wing plate 15 and the side plate 13 rotates, driving the limit top plate 16 to flip and adjust on the top of the limit bottom plate 12. The limit top plate 16 flips downward to fit the two ends of the external drive axle to form a downward pressure fixation, completing the positioning of the drive axle as a whole. At the same time, the user can control the entire first limit structure 10 to rise and fall on the adjustment platform structure through the second telescopic rod 11, so as to adapt and support the two end positions of the drive axle.

[0037] The support platform 17 is set as a rectangular platform, and its surface is set in a trapezoidal concave shape, and the second limiting structure 19 is relatively distributed in two groups, and is set on both sides of the trapezoidal concave position of the support platform 17. The second limiting structure 19 includes an outer mounting frame 23 and a limiting frame 20 and a hydraulic rod 22 that fit the concave position of the support platform 17. The limiting frame 20 and the hydraulic rod 22 are fixedly connected, and the limiting frame 20 and the outer mounting frame 23 are movably connected through an axis body. It also includes a limiting rod 21 that is movably connected to the top of the limiting frame 20 through an axis body. The outer mounting frame 23 is integrally connected to the outer mounting frame 23. The body is arranged in an "L" shape, and the outer end is movably connected to the upper section of the limit frame 20. The limit frame 20 is arranged vertically as a whole. The limit rod 21 and the limit frame 20 are arranged in an "L" shape as a whole, and the inner end of the limit rod 21 is arranged as a hard rubber head. The hydraulic rod 22 is used to push the limit frame 20 to perform flip adjustment with the connection point with the external mounting frame 23 as the fulcrum, and the limit frame 20 is used to drive the limit rod 21 to adjust inside and outside, and the limit rod 21 is used to clamp and limit the positions on both sides of the middle section of the external drive axle.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. An electric drive axle assembly detection device, characterized in that: The invention comprises an adjusting body (3) and a supporting body (1) which are arranged in a matching manner in an upper and lower position. The adjusting body (3) and the supporting body (1) are slidably connected at the same time. The bottom end of the supporting body (1) is fixedly connected to a base (2). The adjusting body (3) comprises a first adjusting platform (4) and a second adjusting platform (5) which are movably connected to each other. The inner ends of the first adjusting platform (4) and the second adjusting platform (5) are both movably connected to an inner adjusting platform (6). The bottom ends of the outer ends of the first adjusting platform (4) and the second adjusting platform (5) are both fixedly connected to a support (7). The inner ends of the support (7) are fixedly connected to a first telescopic rod (8). The tops of the first adjusting platform (4) and the second adjusting platform (5) are both fixedly provided with a slot (9). The inside of the slot (9) is fixedly connected to a second telescopic rod (11). The top end of the second telescopic rod (11) is fixedly connected to a first limiting structure (10). The supporting body (1) comprises a supporting platform (17) and guide slots (18) on the surfaces of both ends thereof. The surface of the supporting body (1) is movably provided with a second limiting structure (19).

2. The electric drive axle assembly detection device according to claim 1, characterized in that: The first adjustment platform (4) and the second adjustment platform (5) are both arranged as rectangular platforms, and the butting ends of the first adjustment platform (4) and the second adjustment platform (5) are both arranged with rectangular inner recesses, and the outer ends of the first adjustment platform (4) and the second adjustment platform (5) are both arranged with rectangular inner recesses corresponding to the first limiting structure (10).

3. The electric drive axle assembly detection device according to claim 1, characterized in that: The outer end of the inner adjustment platform (6) is connected to the inner recessed position of the butt ends of the first adjustment platform (4) and the second adjustment platform (5) by turning the shaft.

4. The electric drive axle assembly detection device according to claim 1, characterized in that: The first limiting structure (10) is arranged in an "L" shape as a whole, and comprises a limiting bottom plate (12) and a limiting top plate (16) which are movably connected, wherein a buffer pad (14) is fixedly connected to both sides of the bottom of one end of the limiting bottom plate (12), a side plate (13) is fixedly connected to both sides of the top of one end of the limiting bottom plate (12), and a wing plate (15) which is arranged to fit the side plate (13) is fixedly connected to both sides of the bottom of the limiting top plate (16).

5. The electric drive axle assembly detection device according to claim 1, characterized in that: The support (7) is arranged vertically, and the bottom end is movably embedded in the guide groove (18). The first telescopic rod (8) is arranged as an electric telescopic rod and is horizontally located on the top of the supporting body (1).

6. The electric drive axle assembly detection device according to claim 4, characterized in that: The limiting bottom plate (12) is a rectangular plate arranged transversely, with the bottom end in the middle fixedly connected to the second telescopic rod (11), and the limiting bottom plate (12) is integrally embedded in the rectangular concave positions at the outer ends of the first adjustment platform (4) and the second adjustment platform (5).

7. The electric drive axle assembly detection device according to claim 4, characterized in that: A driving shaft of a matching driving mechanism is movably passed through the wing plate (15) and the side plate (13); the limit top plate (16) is configured as a transverse arc plate; and the buffer pad (14) is configured as a sponge pad.

8. The electric drive axle assembly detection device according to claim 1, characterized in that: The support platform (17) is configured as a rectangular platform, the surface of which is arranged in a trapezoidal concave shape, and the second limiting structures (19) are relatively distributed in two groups and are arranged on both sides of the trapezoidal concave position on the surface of the support platform (17).

9. The electric drive axle assembly detection device according to claim 1, characterized in that: The second limiting structure (19) comprises an external mounting frame (23) fitted to the inner concave position of the support platform (17), a limiting frame (20) and a hydraulic rod (22); the limiting frame (20) and the hydraulic rod (22) are fixedly connected, the limiting frame (20) and the external mounting frame (23) are movably connected via an axis, and also comprises a limiting rod (21) movably connected to the top of the limiting frame (20) via an axis.

10. The electric drive axle assembly detection device according to claim 9, characterized in that: The outer mounting frame (23) is arranged in an "L" shape as a whole, and the outer end is movably connected to the upper section of the limiting frame (20). The limiting frame (20) is arranged vertically as a whole. The limiting rod (21) and the limiting frame (20) are arranged in an "L" shape as a whole, and the inner end of the limiting rod (21) is arranged as a hard rubber head.