Electric vehicle body assembling device with limiting structure
The electric vehicle assembly device, with its modular structure and multi-dimensional adjustment system, solves the problem of traditional devices being unable to perform partial tilting assembly. It achieves precise positioning and flexible assembly of the electric vehicle body bracket, improving assembly efficiency and reducing safety hazards.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN SHENGDA HEMING TECHNOLOGY CO LTD
- Filing Date
- 2025-09-04
- Publication Date
- 2026-07-24
AI Technical Summary
Existing electric vehicle assembly equipment cannot meet the assembly requirements of partial tilting at the bottom or side of the bracket, which requires operators to repeatedly adjust the vehicle's posture, increasing assembly time and posing safety hazards.
Design an electric vehicle body assembly device with a limiting structure. It adopts a modular structure and a multi-dimensional adjustment system. The adjustment plate is tilted by a hydraulic lifting rod and a sliding block to achieve precise positioning and flexible assembly of the body bracket.
It enables precise positioning and flexible assembly of electric vehicle body brackets, reducing operator adjustment time, improving assembly efficiency, and lowering safety risks.
Smart Images

Figure CN224544408U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of electric vehicle assembly devices, and in particular to an electric vehicle body assembly device with a limiting structure. Background Technology
[0002] With the rapid development of the new energy vehicle industry, electric vehicles have become an important carrier of green travel. As a core manufacturing link, the precision and efficiency of electric vehicle body assembly directly affect product performance and production costs. Currently, the electric vehicle manufacturing industry generally adopts manual assembly or simple assembly platforms for body and frame assembly operations.
[0003] When electric vehicle assembly equipment is in use, traditional assembly equipment mostly adopts a fixed clamp structure. Its adjustment plate is rigidly connected and has a fixed width, which can only accommodate a single specification of vehicle frame. When assembling frames of different widths, the spacing needs to be adjusted by manually disassembling and repositioning the clamp. This is inefficient and the positioning accuracy is greatly affected by human factors. In addition, the lifting mechanism of the existing equipment can usually only achieve overall vertical lifting. The precision assembly of the battery compartment and motor fixing position at the bottom of the vehicle frame, as well as the side wiring harness installation area, needs to be completed at a specific angle. However, the traditional equipment only supports the function of overall lifting, forcing operators to manually adjust the frame posture with auxiliary tools, which poses safety hazards and is inefficient. It cannot meet the needs of partial tilting assembly of the bottom or side of the frame, causing operators to repeatedly adjust the vehicle posture, which greatly increases the assembly time. Furthermore, the rigid contact between the traditional clamp and the frame is prone to displacement due to vibration during the assembly process, and there is a lack of effective buffering mechanism, making it difficult to guarantee the assembly accuracy.
[0004] Therefore, to address the aforementioned inconvenience in flexibly assembling electric vehicle body brackets, an electric vehicle body assembly device with a limiting structure can be designed. When the electric vehicle assembly device is in use and it is necessary to tilt and lift one side of the body bracket, firstly, the two sets of hydraulic lifting rods on the same side are activated. The hydraulic lifting rods on both sides can then push the sliding blocks on both sides to rise along the support rods. The rising movement of the sliding blocks can drive the fixed plate and U-shaped rods to rise synchronously. Since the two sides of the adjusting plate are slidably connected to the two U-shaped rods through sliding grooves, the U-shaped rods slide relative to each other in the sliding grooves, causing the adjusting plate to form a tilt angle around the central axis. When the two adjusting plates are tilted synchronously, one side of the body bracket can be tilted and lifted, thus facilitating the assembly work on one side of the body bracket. In summary, this device, through modular structural design and a multi-dimensional adjustment system, allows operators to perform bottom or side assembly work in a lifted or tilted state after spatial positioning is completed, achieving precise positioning and flexible assembly of the electric vehicle body bracket. Utility Model Content
[0005] In order to overcome the problem that the existing lifting mechanism of the electric vehicle assembly device can only achieve overall vertical lifting and lowering when in use, it cannot meet the needs of partial tilting assembly of the bottom or side of the bracket. This causes the operator to have to repeatedly adjust the vehicle body posture, which greatly increases the assembly time and makes it inconvenient to flexibly assemble the electric vehicle body bracket.
[0006] The technical solution of this utility model is as follows: an electric vehicle body assembly device with a limiting structure, comprising a base, a support frame, a support rod, a sliding block, a hydraulic lifting rod, a fixing plate, an adjusting plate, a U-shaped rod, a clamping plate, and a sliding groove. Two sets of support frames are provided on both sides of the upper part of the base. A support rod is fixedly installed inside the support frame. A sliding block is slidably installed on the side wall of the support rod. Two sets of hydraulic lifting rods are provided on both sides of the upper part of the base. The hydraulic lifting rod is located on one side of the support frame. The lower end of the hydraulic lifting rod is fixedly connected to the lower end of the support frame. The telescopic end of the hydraulic lifting rod is fixedly connected to the bottom wall of the sliding block. A fixing plate is fixedly installed on the side wall of the sliding block. A U-shaped rod is fixedly installed on the inner wall of the fixing plate. An adjusting plate is provided between the two sets of support frames. A sliding groove is opened through both sides of the adjusting plate. The U-shaped rod is slidably installed inside the sliding groove. A clamping plate is provided on both sides of the upper part of the adjusting plate.
[0007] Preferably, when the electric vehicle assembly device is in use, in the non-working state, the two sets of adjusting plates remain horizontally aligned. The operator places the electric vehicle frame horizontally on the upper surface of the two adjusting plates, with both ends of the frame naturally embedded in the positioning area formed by the two sets of clamping plates. When it is necessary to fix frames of different widths, the clamping plates on both sides are driven to firmly clamp the sides of the frame, thereby achieving precise clamping of frames of different widths. The friction buffer layer uses a high-polymer elastic material, which can absorb the micro-vibrations generated during assembly while ensuring clamping force. When it is necessary to assemble the bottom of the frame, the frame needs to be lifted as a whole. First, multiple sets of hydraulic lifting rods on both sides are activated simultaneously. The hydraulic lifting rods can push the sliding blocks upward along the support rods. The synchronous upward movement of the multiple sets of sliding blocks on both sides can drive the adjusting plates on both sides and the clamped frame to rise, thereby lifting the frame as a whole. To facilitate assembly of the bottom of the vehicle frame, when one side of the vehicle frame needs to be tilted and raised, firstly, the two sets of hydraulic lifting rods on the same side are activated. The hydraulic lifting rods on both sides can then push the sliding blocks on both sides to rise along the support rod. The rising movement of the sliding blocks can drive the fixed plate and U-shaped rod to rise synchronously. Since the two sides of the adjusting plate are slidably connected to the two U-shaped rods on both sides through sliding grooves, the U-shaped rods slide relative to each other in the sliding grooves, causing the adjusting plate to form a tilt angle around the central axis. When the two adjusting plates are tilted synchronously, one side of the vehicle frame can be tilted and raised, thus facilitating the assembly of one side of the vehicle frame. In summary, this device, through modular structural design and multi-dimensional adjustment system, allows operators to perform bottom or side assembly operations in a raised or tilted state after spatial positioning is completed, achieving precise positioning and flexible assembly of the electric vehicle frame.
[0008] Preferably, the adjusting plate has a through guide groove, a guide rod is fixedly installed inside the guide groove, and guide blocks are provided on both sides of the guide rod. The bottom of the clamping plate is fixedly connected to the top of the guide blocks.
[0009] Preferably, the guide block and the guide rod are slidably connected, and both sides of the bottom of the adjusting plate are provided with electrically controlled telescopic rods, the telescopic ends of which are fixedly connected to the side wall of the guide block.
[0010] Preferably, a slide rail is fixedly installed at the bottom of the base, a drive motor is fixedly installed on one side of the slide rail, and a bidirectional lead screw is installed at the output end of the drive motor, with the bidirectional lead screw rotatably installed inside the slide rail.
[0011] Preferably, both sides of the bidirectional lead screw are provided with sliders, which are threadedly connected to the bidirectional lead screw, and both sides of the sliders are provided with L-shaped rods.
[0012] Preferably, the base has two sets of sliding grooves that run through it. A sliding rod is fixedly installed inside the sliding groove, and one side of the L-shaped rod is slidably installed on the side wall of the sliding rod.
[0013] Preferably, connecting rods are provided on both sides of the upper part of the base, and the bottom ends of the connecting rods are fixedly connected to the upper ends of the L-shaped rods on both sides, and the lower ends of the two sets of support frames are fixedly connected to the top ends of the connecting rods.
[0014] The beneficial effects of this utility model are:
[0015] When the electric vehicle assembly device is in use, in the non-working state, the two sets of adjusting plates remain horizontally aligned. The operator places the electric vehicle frame horizontally on the upper surface of the two adjusting plates, with both ends of the frame naturally embedded in the positioning area formed by the two sets of clamping plates. When it is necessary to fix frames of different widths, the clamping plates on both sides are driven to firmly clamp the sides of the frame, thus achieving precise clamping of frames of different widths. The friction buffer layer uses a high-polymer elastic material, which can absorb the micro-vibrations generated during assembly while ensuring clamping force. When it is necessary to assemble the bottom of the frame, the frame needs to be lifted as a whole. First, multiple sets of hydraulic lifting rods on both sides are activated simultaneously. The hydraulic lifting rods push the sliding blocks upward along the support rods. The synchronous upward movement of the multiple sets of sliding blocks on both sides drives the adjusting plates on both sides and the clamped frame to rise, thus lifting the frame as a whole, which facilitates... When assembling the bottom of the vehicle frame, if it is necessary to tilt and lift one side of the vehicle frame, firstly, the two sets of hydraulic lifting rods on the same side are activated. The hydraulic lifting rods on both sides can then push the sliding blocks on both sides to rise along the support rod. The rising movement of the sliding blocks can drive the fixed plate and U-shaped rod to rise synchronously. Since the two sides of the adjusting plate are slidably connected to the two U-shaped rods on both sides through sliding grooves, the U-shaped rods slide relative to each other in the sliding grooves, causing the adjusting plate to form a tilt angle around the central axis. When the two adjusting plates are tilted synchronously, one side of the vehicle frame can be tilted and lifted, thus facilitating the assembly of one side of the vehicle frame. In summary, this device, through modular structural design and multi-dimensional adjustment system, allows operators to perform bottom or side assembly operations in a raised or tilted state after spatial positioning is completed, achieving precise positioning and flexible assembly of the electric vehicle frame. Attached Figure Description
[0016] Figure 1 The diagram shown is a first three-dimensional structural schematic of an electric vehicle body assembly device with a limiting structure according to this utility model.
[0017] Figure 2 The diagram shown is a first half-sectional perspective view of an electric vehicle body assembly device with a limiting structure according to this utility model.
[0018] Figure 3 The diagram shown is a three-dimensional structural diagram of the outer periphery of a bidirectional lead screw in an electric vehicle body assembly device with a limiting structure according to this utility model.
[0019] Figure 4 The diagram shown is a three-dimensional structural representation of the connecting rod of an electric vehicle body assembly device with a limiting structure according to this utility model.
[0020] Figure 5 The diagram shown is a three-dimensional structural diagram of the outer periphery of the adjustment plate of an electric vehicle body assembly device with a limiting structure according to this utility model.
[0021] Explanation of reference numerals in the attached drawings: 1. Base; 2. Support frame; 3. Support rod; 4. Sliding block; 5. Hydraulic lifting rod; 6. Fixing plate; 7. Adjusting plate; 8. U-shaped rod; 9. Sliding groove; 10. Guide groove; 11. Guide rod; 12. Guide block; 13. Electrically controlled telescopic rod; 14. Clamping plate; 15. Slide rail; 16. Drive motor; 17. Two-way lead screw; 18. Slider; 19. L-shaped rod; 20. Sliding groove; 21. Sliding rod; 22. Connecting rod. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Please see Figure 1 and Figure 5 This utility model provides an embodiment of an electric vehicle body assembly device with a limiting structure, comprising a base 1, a support frame 2, a support rod 3, a sliding block 4, a hydraulic lifting rod 5, a fixing plate 6, an adjusting plate 7, a U-shaped rod 8, a clamping plate 14, and a sliding groove 9. Two sets of support frames 2 are provided on both sides of the upper part of the base 1. A support rod 3 is fixedly installed inside the support frame 2, and a sliding block 4 is slidably installed on the side wall of the support rod 3. Two sets of hydraulic lifting rods 5 are provided on both sides of the upper part of the base 1. The hydraulic lifting rod 5 is located on one side of the support frame 2, and its lower end is fixedly connected to the lower end of the support frame 2. The telescopic end of the hydraulic lifting rod 5 is fixedly connected to the bottom wall of the sliding block 4. A fixing plate 6 is fixedly installed on the side wall of the sliding block 4, and a U-shaped rod 8 is fixedly installed on the inner wall of the fixing plate 6. An adjusting plate 7 is provided between the two sets of support frames 2. A sliding groove 9 is provided through both sides of the adjusting plate 7, and the U-shaped rod 8 is slidably installed inside the sliding groove 9. Clamping plates 14 are provided on both sides of the upper part of the adjusting plate 7.
[0024] Please see Figure 3 and Figure 4The adjusting plate 7 has a through guide groove 10, and a guide rod 11 is fixedly installed inside the guide groove 10. Guide blocks 12 are provided on both sides of the guide rod 11. The bottom of the clamping plate 14 is fixedly connected to the top of the guide blocks 12. The guide blocks 12 on both sides can respectively drive the clamping plates 14 on both sides to firmly clamp the sides of the bracket, thus achieving precise clamping of brackets of different widths. The friction buffer layer is made of high-polymer elastic material, which can absorb micro-vibrations generated during assembly while ensuring clamping force. The guide blocks 12 are slidably connected to the guide rod 11. The bottom sides of the adjusting plate 7 have... An electrically controlled telescopic rod 13 is provided, with its telescopic end fixedly connected to the side wall of the guide block 12. When the electrically controlled telescopic rods 13 on both sides of the bottom of the adjustment plate 7 are activated, the two electrically controlled telescopic rods 13 can respectively push the two guide blocks 12 to move relative to each other along the guide groove 10. A slide rail 15 is fixedly provided at the bottom of the base 1, and a drive motor 16 is fixedly provided on one side of the slide rail 15. A bidirectional lead screw 17 is provided at the output end of the drive motor 16. The bidirectional lead screw 17 is rotatably set inside the slide rail 15. When the drive motor 16 is activated, the drive motor 16 can drive the bidirectional lead screw 17 to rotate.
[0025] Please see Figure 2 and Figure 3 Both sides of the bidirectional lead screw 17 are provided with sliders 18, which are threadedly connected to the bidirectional lead screw 17. Both sides of the sliders 18 are provided with L-shaped rods 19. The bidirectional lead screw 17 drives the sliders 18 on both sides to move in opposite directions at the same speed along the slide rail 15 through the positive and negative thread structure. Two sets of slide grooves 20 are opened through the interior of the base 1. Slide rods 21 are fixedly installed inside the slide grooves 20. One side of the L-shaped rod 19 is slidably installed on the side wall of the slide rod 21. The sliders 18 drive the L-shaped rods 19 to move along the slide rods 21 in the slide grooves 20. Both sides of the base 1 are provided with connecting rods 22. The bottom ends of the two connecting rods 22 are fixedly connected to the top ends of the L-shaped rods 19 on both sides. The bottom ends of the two sets of support frames 2 are fixedly connected to the top ends of the two connecting rods 22. The sliders 18 drive the L-shaped rods 19 to move along the slide rods 21 in the slide grooves 20, and then drive the support frame 2 system to move synchronously through the connecting rods 22.
[0026] When the electric vehicle assembly device is in use, in the non-working state, the bidirectional lead screw 17 is in the middle position, the two sets of adjustment plates 7 are kept horizontally aligned, and the operator places the electric vehicle body bracket horizontally on the upper surface of the two adjustment plates 7. The two ends of the bracket are naturally embedded in the positioning range formed by the two sets of clamping plates 14. At this time, the friction buffer layer on the inner wall of the clamping plate 14 forms a flexible contact with the side wall of the bracket, which ensures the initial positioning stability and avoids surface damage caused by rigid clamping.
[0027] When it is necessary to fix brackets of different widths, the electrically controlled telescopic rods 13 on both sides of the bottom of the adjustment plate 7 are activated. The electrically controlled telescopic rods 13 on both sides can push the guide blocks 12 on both sides to move relative to each other along the guide groove 10. The guide blocks 12 on both sides can drive the clamping plates 14 on both sides to clamp the brackets on both sides, thereby completing the precise clamping of brackets of different widths. The friction buffer layer is made of high polymer elastic material, which can absorb the micro-vibrations generated during the assembly process while ensuring the clamping force.
[0028] When clamping vehicle body brackets of different lengths, the drive motor 16 is started first. The drive motor 16 can drive the bidirectional lead screw 17 to rotate. The bidirectional lead screw 17 drives the sliders 18 on both sides to move in opposite directions at the same speed along the slide rail 15 through the positive and negative thread structure. The sliders 18 drive the L-shaped rod 19 to move along the guide rod 21 in the slide groove 20. Then, through the connecting rod 22, the support frame 2 system is moved synchronously. This transmission mechanism converts the rotational motion of the drive motor 16 into the horizontal linear motion of the clamping mechanism, realizing the stepless adjustment of the distance between the two sets of clamping units, so that vehicle body brackets of different lengths can be clamped.
[0029] When it is necessary to assemble the bottom of the vehicle body bracket, the vehicle body bracket needs to be lifted as a whole. First, the hydraulic lifting rods 5 on both sides are activated at the same time. The hydraulic lifting rods 5 can push the sliding block 4 upward along the support rod 3. The synchronous upward movement of the sliding block 4 on both sides can drive the adjusting plate 7 on both sides and the clamped bracket to move upward respectively, so that the vehicle body bracket can be lifted as a whole, which makes it easier for personnel to assemble the bottom of the vehicle body bracket.
[0030] When it is necessary to tilt and lift one side of the vehicle body support, firstly, the two sets of hydraulic lifting rods 5 on the same side are activated. The two hydraulic lifting rods 5 on both sides can push the sliding blocks 4 on both sides to move upward along the support rod 3. The upward movement of the sliding blocks 4 can drive the fixed plate 6 and the U-shaped rod 8 to rise synchronously. Since the two sides of the adjusting plate 7 are slidably connected to the two sides of the U-shaped rod 8 through the sliding groove 9, the U-shaped rod 8 slides relative to each other in the sliding groove 9, causing the adjusting plate 7 to form a tilt angle around the central axis. When the two sides of the adjusting plate 7 are tilted synchronously, one side of the vehicle body support can be tilted and lifted, which makes it easier for personnel to assemble one side of the vehicle body support.
[0031] In summary, through its modular structural design and multi-dimensional adjustment system, this device allows operators to perform bottom or side assembly operations in a raised or tilted state after spatial positioning is completed, achieving precise positioning and flexible assembly of the electric vehicle body bracket.
[0032] Through the above steps, when the electric vehicle assembly device is in use, in the non-working state, the two sets of adjusting plates 7 remain horizontally aligned. The operator places the electric vehicle body bracket horizontally on the upper surface of the two adjusting plates 7, and the two ends of the bracket naturally embed into the positioning area formed by the two sets of clamping plates 14. When it is necessary to fix brackets of different widths, the clamping plates 14 on both sides are driven to firmly clamp the sides of the bracket, thereby achieving precise clamping of brackets of different widths. The friction buffer layer is made of high-polymer elastic material, which can absorb the micro-vibrations generated during assembly while ensuring clamping force. When it is necessary to assemble the bottom of the body bracket, the body bracket needs to be lifted as a whole. First, the multiple sets of hydraulic lifting rods 5 on both sides are activated simultaneously. The hydraulic lifting rods 5 can push the sliding block 4 upward along the support rod 3. The synchronous upward movement of the multiple sets of sliding blocks 4 on both sides can drive the adjusting plates 7 on both sides and the clamped bracket to rise, thereby lifting the body bracket as a whole. To facilitate assembly of the bottom of the vehicle frame, when one side of the vehicle frame needs to be tilted and raised, firstly, the two sets of hydraulic lifting rods 5 on the same side are activated. The two hydraulic lifting rods 5 on both sides can then push the sliding blocks 4 on both sides to rise along the support rod 3. The rising movement of the sliding blocks 4 can drive the fixed plate 6 and the U-shaped rod 8 to rise synchronously. Since the two sides of the adjusting plate 7 are slidably connected to the two sides of the U-shaped rod 8 through the sliding groove 9, the U-shaped rod 8 slides relative to each other in the sliding groove 9, causing the adjusting plate 7 to form a tilt angle around the central axis. When the two sides of the adjusting plate 7 are tilted synchronously, one side of the vehicle frame can be tilted and raised, thus facilitating the assembly of one side of the vehicle frame. In summary, this device, through modular structural design and multi-dimensional adjustment system, allows operators to perform bottom or side assembly operations in a raised or tilted state after spatial positioning is completed, achieving precise positioning and flexible assembly of the electric vehicle frame.
[0033] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. An electric vehicle body assembly device with a limiting structure, comprising a base (1), characterized in that: It also includes a support frame (2), a support rod (3), a sliding block (4), a hydraulic lifting rod (5), a fixing plate (6), an adjusting plate (7), a U-shaped rod (8), a clamping plate (14), and a sliding groove (9). Two sets of support frames (2) are provided on both sides of the upper part of the base (1). The support rod (3) is fixedly installed inside the support frame (2). The sliding block (4) is slidably installed on the side wall of the support rod (3). Two sets of hydraulic lifting rods (5) are provided on both sides of the upper part of the base (1). The hydraulic lifting rods (5) are located on one side of the support frame (2). The lower end of the hydraulic lifting rod (5) is fixedly connected to the lower end of the support frame (2), the telescopic end of the hydraulic lifting rod (5) is fixedly connected to the bottom wall of the sliding block (4), a fixing plate (6) is fixedly installed on the side wall of the sliding block (4), a U-shaped rod (8) is fixedly installed on the inner wall of the fixing plate (6), an adjustment plate (7) is provided between the two sets of support frames (2), a sliding groove (9) is provided through both sides of the adjustment plate (7), the U-shaped rod (8) is slidably installed inside the sliding groove (9), and clamping plates (14) are provided on both sides above the adjustment plate (7).
2. The electric vehicle body assembly device with a limiting structure according to claim 1, characterized in that: The adjusting plate (7) has a through guide groove (10) inside, and a guide rod (11) is fixedly installed inside the guide groove (10). Guide blocks (12) are provided on both sides of the guide rod (11), and the bottom of the clamping plate (14) is fixedly connected to the top of the guide block (12).
3. The electric vehicle body assembly device with a limiting structure according to claim 2, characterized in that: The guide block (12) is slidably connected to the guide rod (11), and both sides of the bottom of the adjustment plate (7) are provided with electrically controlled telescopic rods (13). The telescopic ends of the electrically controlled telescopic rods (13) are fixedly connected to the side wall of the guide block (12).
4. The electric vehicle body assembly device with a limiting structure according to claim 1, characterized in that: A slide rail (15) is fixedly installed at the bottom of the base (1), and a drive motor (16) is fixedly installed on one side of the slide rail (15). A two-way lead screw (17) is installed at the output end of the drive motor (16), and the two-way lead screw (17) is rotatably installed inside the slide rail (15).
5. The electric vehicle body assembly device with a limiting structure according to claim 4, characterized in that: Both sides of the double-acting screw (17) are provided with sliders (18), which are threadedly connected to the double-acting screw (17). Both sides of the sliders (18) are provided with L-shaped rods (19).
6. The electric vehicle body assembly device with a limiting structure according to claim 5, characterized in that: The base (1) has two sets of sliding grooves (20) through the interior. A sliding rod (21) is fixedly installed inside the sliding groove (20). One side of the L-shaped rod (19) is slidably installed on the side wall of the sliding rod (21).
7. The electric vehicle body assembly device with a limiting structure according to claim 5, characterized in that: Connecting rods (22) are provided on both sides above the base (1). The bottom ends of the connecting rods (22) are fixedly connected to the top ends of the L-shaped rods (19) on both sides respectively. The bottom ends of the two sets of support frames (2) are fixedly connected to the top ends of the connecting rods (22) respectively.