Automobile body jacking device for automobile final assembly production line

Through the driven frame and drive frame design driven by a single power source, combined with the gear chain and elastic buffer structure, the synchronization and stability of the body hoisting equipment are solved, and the safety and durability of the automobile assembly line are improved.

CN223175750UActive Publication Date: 2025-08-01ZHI YUAN EQUIP TECH WUHU
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Patent Information

Application Number
CN202422258301.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-08-01
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The existing automobile assembly line body hoisting equipment is caused by the deviation of the movement stroke of multiple pneumatic cylinders, which affects production stability and safety.

Method used

The driven frame and drive frame design with a single power source output is designed. The double gear set is driven to rotate simultaneously through a reduction motor, and the external and internal gears pull the chain to lift the body and lift the frame, achieving synchronous lift on both sides, combining polyurethane blocks and rectangular springs to provide elastic cushioning to protect the body.

Benefits of technology

It realizes stable and synchronous lifting of the vehicle body, improves the safety of the production line and the service life of the equipment, and reduces the risk of chain damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an automobile general assembly production line automobile body jacking device which relates to the technical field of automobile general assembly and comprises a driven frame and a driving frame, the driven frame and the driving frame are arranged on the left side and the right side respectively, jacking frames are movably arranged on the inner side of the driven frame and the inner side of the driving frame, first single gears are arranged at the two ends of the lower portion in the driven frame, and second single gears are arranged at the two ends of the lower portion in the driven frame. Second single gears are arranged at the two ends of the top of the driven frame; the jacking frames on the driven frame and the driving frame are used for supporting an automobile body, the gear motor drives the double-gear set to rotate, the outer gear rotates to pull the first chain, the first chain bypasses the first single gear and the second single gear to pull the jacking frame on the left side to be lifted, and the inner gear rotates synchronously to pull the second chain. And a second chain bypasses a third single gear to pull a jacking frame on the right side to lift, so that an air automobile body is synchronously jacked, single power source output and two-side synchronous lifting are realized, the stability is higher, and the safety is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile general assembly, in particular to a vehicle body lifting device for an automobile general assembly production line. Background Technique

[0002] An automobile general assembly production line refers to a production line in the automobile manufacturing industry that assembles various processed parts and components into a complete automobile product through a series of orderly assembly processes. It is a complex system that usually includes multiple workstations and equipment. Each workstation is responsible for completing a part of the automobile assembly process, such as engine assembly, door sub-assembly, interior sub-assembly, etc. These workstations are connected through conveying equipment and special equipment to form an organic whole to ensure the smooth progress of the automobile assembly process;

[0003] Among them, when processing the vehicle body of an automobile, it is necessary to lift the vehicle body, which requires a lifting device. The existing lifting devices are generally composed of multiple groups of air cylinders and lifting frames. The automobile body is placed on the lifting frame, and the air cylinders at multiple positions lift the lifting frame, thereby lifting the vehicle body. This multi-point lifting method has the problem of deviation in the movement stroke of the air cylinders at multiple positions, resulting in lifting tilt and affecting the normal automobile general assembly production. Therefore, the utility model proposes a vehicle body lifting device for an automobile general assembly production line to solve the problems existing in the prior art. Summary of the Invention

[0004] In view of the above problems, the utility model proposes a vehicle body lifting device for an automobile general assembly production line. The vehicle body lifting device for an automobile general assembly production line has a single power source output, synchronous lifting on both sides, is more stable, and improves safety.

[0005] To achieve the purpose of the utility model, the utility model is realized through the following technical solutions: A vehicle body lifting device for an automobile general assembly production line includes a driven frame and a driving frame. The driven frame and the driving frame are respectively arranged on the left and right sides. Lifting frames are movably arranged inside the driven frame and the driving frame. At both ends below the interior of the driven frame, first single gears are provided. At both ends of the top of the driven frame, second single gears are provided. At both ends of the top of the driving frame, third single gears are provided. At both ends below the interior of the driving frame, double gear sets are provided, and the double gear sets include externally meshing gears and internally meshing gears that rotate synchronously;

[0006] The internally meshing gear is connected with a first chain, and one end of the first chain bypasses the first single gear, the second single gear and is connected with the left lifting frame through a connecting piece. The externally meshing gear is connected with a second chain, and one end of the second chain bypasses the third single gear and is connected with the right lifting frame through a connecting piece. The double gear set is connected with a reduction motor.

[0007] A further improvement lies in that: a connecting bracket is connected between the driven frame and the driving frame; guide rails are provided at both ends inside the driven frame and the driving frame; and the jacking frame is movably installed on the guide rails through sliders.

[0008] A further improvement lies in that: the first single gear and the second single gear are both rotatably installed on the driven frame through first bearing seats; the third single gear is rotatably installed on the driving frame through a first bearing seat; and the double gear set is rotatably installed on the driving frame through a second bearing seat.

[0009] A further improvement lies in that: protective covers are provided at both ends inside the driven frame and the driving frame, and the protective covers on the driven frame and the driving frame are respectively used to cover the first chain and the second chain.

[0010] A further improvement lies in that: a roller chain coupling is connected between the output end of the reduction motor and one end of the double gear set, and the two double gear sets are connected through a roller chain coupling.

[0011] A further improvement lies in that: side frames are provided at both ends inside the driven frame and the driving frame, and sensors are provided on the side frames, and the sensors are used to identify the position of the jacking frame.

[0012] A further improvement lies in that: connecting blocks are provided at both ends below the inside of the jacking frame, and the connecting blocks are used to connect connecting members, and polyurethane blocks are provided at both ends of the top of the jacking frame.

[0013] A further improvement lies in that: the connecting member includes a connecting buckle, a gasket and a rectangular spring, the gasket is provided below the connecting buckle, and the rectangular spring is provided inside the gasket.

[0014] A further improvement lies in that: support feet are provided below the outside of the driven frame and the driving frame, and multiple groups of support feet are provided. Bolts are installed inside the support feet in a threaded manner, and adjustable support feet are connected below the bolts.

[0015] A further improvement lies in that: chain sliders are provided at the middle positions between the driven frame and the driving frame, and two groups of chain sliders are provided. The middle section of the first chain is movably arranged above the chain sliders.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. The present utility model supports the vehicle body through the jacking frame on the driven frame and the driving frame. The reduction motor drives the double gear set to rotate. The outer gear rotates to pull the first chain. The first chain bypasses the first single gear and the second single gear to pull the jacking frame on the left side to lift. The inner gear rotates synchronously to pull the second chain. The second chain bypasses the third single gear to pull the jacking frame on the right side to lift, so as to synchronously jack the vehicle body. With a single power source output, the two sides are lifted synchronously, which is more stable and improves safety.

[0018] 2. The lifting frame of the present utility model supports the vehicle body through polyurethane blocks, and the connecting piece of the chain is connected through a connecting block. A rectangular spring is built into the connecting piece, so that when the chain pulls the lifting frame to lift, it has a certain elastic buffer potential energy to protect the vehicle body.

[0019] 3. The protective covers on the driven frame and the driving frame of the present utility model can respectively cover the first chain and the second chain to protect the chain from damage. Description of the Drawings

[0020] Figure 1 is the front view of the present utility model;

[0021] Figure 2 is the schematic diagram of the driven frame and the driving frame of the present utility model;

[0022] Figure 3 is the schematic diagram of the lifting frame of the present utility model;

[0023] Figure 4 is the schematic diagram of the gear and chain structure of the present utility model;

[0024] Figure 5 is the schematic diagram of the connecting piece of the present utility model.

[0025] Wherein: 1. Driven frame; 2. Driving frame; 3. Lifting frame; 4. First single gear; 5. Second single gear; 6. Third single gear; 7. Outer gear; 8. Inner gear; 9. First chain; 10. Second chain; 11. Reducing motor; 12. Connecting bracket; 13. Guide rail; 14. First bearing seat; 15. Second bearing seat; 16. Protective cover; 17. Roller chain coupling; 18. Side frame; 19. Inductor; 20. Connecting block; 21. Polyurethane block; 22. Connecting buckle; 23. Gasket; 24. Rectangular spring; 25. Foot; 26. Bolt; 27. Adjustable foot; 28. Chain slider. Detailed Embodiment

[0026] In order to deepen the understanding of the present utility model, the following will further describe the present utility model in detail in combination with embodiments. These embodiments are only used to explain the present utility model and do not limit the protection scope of the present utility model. Embodiment 1

[0027] According to Figure 1 , 2, as shown in FIGS. 3, 4, and 5, this embodiment proposes a vehicle body lifting device for an automobile assembly line, including a driven frame 1 and a driving frame 2. The driven frame 1 and the driving frame 2 are respectively arranged on the left and right sides. Lifting frames 3 are movably arranged inside both the driven frame 1 and the driving frame 2. At both ends of the lower part inside the driven frame 1, first single gears 4 are provided. At both ends of the top of the driven frame 1, second single gears 5 are provided. At both ends of the top of the driving frame 2, third single gears 6 are provided. At both ends of the lower part inside the driving frame 2, double gear sets are provided, and the double gear sets include an outer gear 7 and an inner gear 8 that rotate synchronously;

[0028] A first chain 9 is connected to the inner gear 8, and one end of the first chain 9 bypasses the first single gear 4 and the second single gear 5 and is connected to the left lifting frame 3 through a connector. A second chain 10 is connected to the outer gear 7, and one end of the second chain 10 bypasses the third single gear 6 and is connected to the right lifting frame 3 through a connector. The double gear set is connected to a reduction motor 11. When in use, the vehicle body is supported by the lifting frames 3 on the driven frame 1 and the driving frame 2. The double gear set is rotated by the reduction motor 11. The outer gear 7 rotates to pull the first chain 9. The first chain 9 bypasses the first single gear 4 and the second single gear 5 to pull the left lifting frame 3 to lift. The inner gear 8 rotates synchronously to pull the second chain 10. The second chain 10 bypasses the third single gear 6 to pull the right lifting frame 3 to lift, thereby synchronously lifting the vehicle body. With a single power source output and synchronous lifting on both sides, it is more stable and improves safety.

[0029] A connecting bracket 12 is connected between the driven frame 1 and the driving frame 2. Guide rails 13 are provided at both ends inside the driven frame and the driving frame 2. The lifting frame 3 is movably installed on the guide rails 13 through sliders. The outer gear 7 rotates to pull the first chain 9. The first chain 9 bypasses the first single gear 4 and the second single gear 5 to pull the left lifting frame 3 to lift. The inner gear 8 rotates synchronously to pull the second chain 10. The second chain 10 bypasses the third single gear 6 to pull the right lifting frame 3 to lift, and the lifting frame 3 moves along the guide rails 13.

[0030] The first single gear 4 and the second single gear 5 are rotatably installed on the driven frame 1 through first bearing seats 14. The third single gear 6 is rotatably installed on the driving frame 2 through a first bearing seat 14. The double gear set is rotatably installed on the driving frame 2 through a second bearing seat 15. Installing the gears through bearing seats is more stable.

[0031] Protective covers 16 are provided at both ends inside the driven frame 1 and the driving frame 2, and the protective covers 16 on the driven frame 1 and the driving frame 2 are respectively used to cover the first chain 9 and the second chain 10. When in use, through the protective covers 16 on the driven frame 1 and the driving frame 2, the first chain 9 and the second chain 10 can be respectively covered to protect the chains from damage.

[0032] A roller chain coupling 17 is connected between the output end of the reduction motor 11 and the double gear set at one end, and the two double gear sets are connected by the roller chain coupling 17. During use, the reduction motor 11 cooperates with the roller chain coupling 17 to drive the double gear set at one end to rotate, and this double gear set drives the other double gear set to rotate synchronously through the double gear set.

[0033] Side frames 18 are provided at both ends inside the driven frame 1 and the driving frame 2, and sensors 19 are provided on the side frames 18. The sensors 19 are used to identify the position of the jacking frame 3. During use, the position of the jacking frame 3 is identified by the sensors 19, which is convenient for accurately controlling the lifting height of the vehicle body.

[0034] Connection blocks 20 are provided at both ends below the interior of the jacking frame 3, and the connection blocks 20 are used to connect connection members. Polyurethane blocks 21 are provided at both ends of the top of the jacking frame 3. The connection members include connection buckles 22, gaskets 23, and rectangular springs 24. The gaskets 23 are provided below the connection buckles 22, and the rectangular springs 24 are provided inside the gaskets 23. During use, the vehicle body is supported by the polyurethane blocks 21 on the jacking frame 3, and the connection members of the chain are connected through the connection blocks 20. The rectangular springs 24 are built into the connection members, so that when the chain pulls the jacking frame 3 to lift, it has a certain elastic buffer potential energy to protect the vehicle body.

[0035] Support feet 25 are provided below the outsides of the driven frame 1 and the driving frame 2, and multiple groups of support feet 25 are provided. Bolts 26 are installed inside the support feet 25 in a threaded manner, and adjustable support feet 27 are connected below the bolts 26. During use, by rotating the bolts 26, the distance between the adjustable support feet 27 and the support feet 25 can be changed, so that the driven frame 1 and the driving frame 2 are stably supported on the ground. Embodiment 2

[0036] According to Figure 1 、 2 As shown in FIGS. 3, 4, and 5, this embodiment proposes a vehicle body jacking device for an automobile assembly line, including a driven frame 1 and a driving frame 2. The driven frame 1 and the driving frame 2 are respectively arranged on the left and right sides. A jacking frame 3 is movably arranged inside both the driven frame 1 and the driving frame 2. First single gears 4 are provided at both ends below the interior of the driven frame 1, second single gears 5 are provided at both ends of the top of the driven frame 1, third single gears 6 are provided at both ends of the top of the driving frame 2, and double gear sets are provided at both ends below the interior of the driving frame 2. The double gear sets include externally meshing gears 7 and internally meshing gears 8 that rotate synchronously;

[0037] A first chain 9 is connected to the internal gear 8, and one end of the first chain 9 bypasses the first single gear 4 and the second single gear 5 and is connected to the lifting frame 3 on the left side through a connecting member. A second chain 10 is connected to the external gear 7, and one end of the second chain 10 bypasses the third single gear 6 and is connected to the lifting frame 3 on the right side through a connecting member. The double gear set is connected to a reduction motor 11. During use, the vehicle body is supported by the lifting frames 3 on the driven frame 1 and the driving frame 2. The double gear set is rotated by the reduction motor 11, the external gear 7 rotates to pull the first chain 9, the first chain 9 bypasses the first single gear 4 and the second single gear 5 to pull the lifting frame 3 on the left side to lift, the internal gear 8 rotates synchronously to pull the second chain 10, and the second chain 10 bypasses the third single gear 6 to pull the lifting frame 3 on the right side to lift, so as to synchronously lift the vehicle body. With a single power source output and synchronous lifting on both sides, it is more stable and improves safety.

[0038] A connecting bracket 12 is connected between the driven frame 1 and the driving frame 2. Guide rails 13 are provided at both ends inside the driven frame and the driving frame 2. The lifting frame 3 is movably installed on the guide rails 13 through sliders. The external gear 7 rotates to pull the first chain 9, the first chain 9 bypasses the first single gear 4 and the second single gear 5 to pull the lifting frame 3 on the left side to lift, the internal gear 8 rotates synchronously to pull the second chain 10, and the second chain 10 bypasses the third single gear 6 to pull the lifting frame 3 on the right side to lift, and the lifting frame 3 moves along the guide rails 13.

[0039] Chain sliders 28 are provided at the middle position between the driven frame 1 and the driving frame 2, and there are two groups of chain sliders 28. The middle section of the first chain 9 is movably arranged above the chain sliders 28. During use, the double gear set is rotated by the reduction motor 11, the external gear 7 rotates to pull the first chain 9, the first chain 9 bypasses the first single gear 4 and the second single gear 5 to pull the lifting frame 3 on the left side to lift. During this process, the middle section of the first chain 9 movably passes above the chain sliders 28, which is more stable. The internal gear 8 rotates synchronously to pull the second chain 10, and the second chain 10 bypasses the third single gear 6 to pull the lifting frame 3 on the right side to lift, so as to synchronously lift the vehicle body.

[0040] The body lifting device of the automobile general assembly production line supports the automobile body through the lifting frames 3 on the driven frame 1 and the driving frame 2. The reduction motor 11 drives the double gear set to rotate. The outer gear 7 rotates to pull the first chain 9. The first chain 9 bypasses the first single gear 4 and the second single gear 5 to pull the left lifting frame 3 to lift. The inner gear 8 rotates synchronously to pull the second chain 10. The second chain 10 bypasses the third single gear 6 to pull the right lifting frame 3 to lift, so as to lift the automobile body synchronously. With a single power source output and synchronous lifting on both sides, it is more stable and improves safety. Moreover, the automobile body is supported by polyurethane blocks 21 on the lifting frame 3. The connecting piece of the chain is connected through the connecting block 20. The connecting piece is internally provided with a rectangular spring 24, so that when the chain pulls the lifting frame 3 to lift, it has a certain elastic buffer potential energy to protect the automobile body. At the same time, through the protective covers 16 on the driven frame 1 and the driving frame 2, the first chain 9 and the second chain 10 can be respectively covered to protect the chains from damage.

[0041] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An automobile general assembly production line body lifting device, comprising a driven frame (1) and a driving frame (2), characterized in that: The driven frame (1) and the driving frame (2) are respectively arranged on the left and right sides. The inner sides of the driven frame (1) and the driving frame (2) are both movably provided with a jacking frame (3). At both ends of the lower part inside the driven frame (1), there are first single gears (4). At both ends of the top of the driven frame (1), there are second single gears (5). At both ends of the top of the driving frame (2), there are third single gears (6). At both ends of the lower part inside the driving frame (2), there are double gear sets, and the double gear sets include an outer gear (7) and an inner gear (8) that rotate synchronously; The inner gear (8) is connected with a first chain (9), and one end of the first chain (9) bypasses the first single gear (4), the second single gear (5) and is connected with the jacking frame (3) on the left side through a connecting piece. The outer gear (7) is connected with a second chain (10), and one end of the second chain (10) bypasses the third single gear (6) and is connected with the jacking frame (3) on the right side through a connecting piece. The double gear set is connected with a reduction motor (11).

2. The body lifting device for an automobile general assembly production line according to claim 1, wherein: A connecting bracket (12) is connected between the driven frame (1) and the driving frame (2). At both ends of the inner sides of the driven frame and the driving frame (2), there are guide rails (13). The jacking frame (3) is movably installed on the guide rails (13) through sliders.

3. The body lifting device for an automobile general assembly production line according to claim 1, characterized in that: The first single gear (4) and the second single gear (5) are both rotatably installed on the driven frame (1) through first bearing seats (14). The third single gear (6) is rotatably installed on the driving frame (2) through a first bearing seat (14). The double gear set is rotatably installed on the driving frame (2) through a second bearing seat (15).

4. The body lifting device for an automobile general assembly production line according to claim 1, characterized in that: At both ends of the inner parts of the driven frame (1) and the driving frame (2), there are protective covers (16), and the protective covers (16) on the driven frame (1) and the driving frame (2) are respectively used to cover the first chain (9) and the second chain (10).

5. The body lifting device for an automobile general assembly production line according to claim 1, characterized in that: A roller chain coupling (17) is connected between the output end of the reduction motor (11) and one end of the double gear set. The two double gear sets are connected through a roller chain coupling (17).

6. The body lifting device for an automobile final assembly production line according to claim 1, characterized in that: At both ends of the inner sides of the driven frame (1) and the driving frame (2), there are side frames (18), and sensors (19) are arranged on the side frames (18). The sensors (19) are used to identify the position of the jacking frame (3).

7. The body lifting device for an automobile general assembly production line according to claim 1, characterized in that: At both ends of the lower part inside the jacking frame (3), there are connecting blocks (20), and the connecting blocks (20) are used to connect connecting pieces. At both ends of the top of the jacking frame (3), there are polyurethane blocks (21).

8. The body lifting device for an automobile final assembly production line according to claim 7, characterized in that: The connecting piece includes a connecting buckle (22), a gasket (23) and a rectangular spring (24). The gasket (23) is arranged below the connecting buckle (22), and the rectangular spring (24) is arranged inside the gasket (23).

9. The body lifting device for an automobile general assembly production line according to claim 1, wherein: At the lower parts of the outer sides of the driven frame (1) and the driving frame (2), there are support feet (25), and there are multiple groups of support feet (25). Bolts (26) are installed inside the support feet (25) in a threaded manner, and adjustable support feet (27) are connected below the bolts (26).

10. The body lifting device for an automobile general assembly production line according to claim 1, characterized in that: A chain slider (28) is provided at an intermediate position between the driven frame (1) and the driving frame (2), and there are two groups of chain sliders (28). The middle section of the first chain (9) is movably arranged above the chain slider (28).