Positioning and lifting mechanism for assembling body of electric vehicle
By designing a positioning and lifting mechanism for electric vehicle body assembly, and utilizing the combination of cylinders and pallets and servo motor drive, the problem of inconvenient positioning caused by size differences in the assembly of electric tricycle bodies was solved, achieving an efficient and flexible assembly process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XUZHOU KAISHANG LOCOMOTIVE CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-07-07
AI Technical Summary
Existing electric tricycle assembly equipment cannot be positioned according to different chassis models and cargo box dimensions, resulting in inconvenient assembly and reduced efficiency.
A positioning and lifting mechanism for electric vehicle body assembly was designed, including a front positioning mechanism and a rear positioning mechanism. The mechanism uses cylinders and a support plate for lifting and positioning, and combines a servo motor and a double-headed screw to drive the moving seat, enabling flexible positioning of chassis of different sizes.
It improves the convenience and efficiency of electric tricycle body assembly, meets the assembly needs of chassis of different sizes, and enhances the flexibility and stability of assembly.
Smart Images

Figure CN224463980U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tricycle manufacturing technology, specifically a positioning and lifting mechanism for assembling an electric vehicle body. Background Technology
[0002] An electric tricycle is a three-wheeled transport vehicle that uses a battery as its power source and an electric motor as its drive for hauling goods or carrying people. The electric tricycle is mainly composed of core components such as the body, drive system, energy system, control system, transmission system, braking system, suspension system, body and electrical system.
[0003] In the process of assembling electric tricycles, existing technology usually uses hoisting equipment to lift the vehicle body onto the assembly workbench. However, due to the differences in the dimensions of the chassis and cargo box of different models of electric tricycles, it is inconvenient to position the assembly workbench according to the dimensions of the chassis and cargo box, which makes the assembly of the tricycle body less convenient and thus affects the assembly efficiency. Utility Model Content
[0004] In order to solve the above problems, the purpose of this utility model is to provide a positioning and lifting mechanism for electric vehicle body assembly.
[0005] To solve the above technical problems, the present invention adopts the following technical solution: a positioning and lifting mechanism for electric vehicle body assembly, including a base plate, a front positioning mechanism and a rear positioning mechanism respectively provided on the base plate, a limit component provided on the front positioning mechanism and the rear positioning mechanism, and a feeding mechanism provided at both ends of the base plate;
[0006] The front positioning mechanism includes a first cylinder, and four first cylinders are provided. A first base is fixedly provided at the bottom end of the first cylinder. Four evenly distributed fixed seats are fixedly provided on the upper surface of the base plate. The first base is detachably installed on the fixed seats. A first support plate is fixedly provided at the piston end of the first cylinder.
[0007] The rear positioning mechanism includes four cylinders. A base is fixedly mounted on the bottom of each cylinder, and a support plate is fixedly mounted on the piston end of each cylinder. Four evenly distributed movable seats are slidably mounted on the upper surface of the base plate. The base is detachably mounted on the movable seats. A servo motor is fixedly mounted on one end of the base plate. Two double-ended screws are rotatably mounted on the upper surface of the base plate. The drive output end of the servo motor is fixedly connected to one end of one of the double-ended screws. One of the double-ended screws is threadedly rotatably connected to two adjacent movable seats. A toothed pulley is fixedly mounted on one end of each of the two double-ended screws, and a transmission toothed belt is installed between the two toothed pulleys.
[0008] Preferably, a plurality of No. 1 bolts are rotatably installed on the No. 1 base, and one end of the No. 1 bolt is rotatably connected to the threaded hole on the upper end face of the fixed seat.
[0009] Preferably, a plurality of No. 2 bolts are rotatably mounted on the No. 2 base, and one end of the No. 2 bolts is rotatably connected to the threaded hole on the upper end face of the movable seat.
[0010] Preferably, two guide rails are fixedly provided on the upper surface of the base plate, and two sliders are slidably provided on the guide rails. The lower end face of the movable seat and the upper end face of the sliders are fixedly connected.
[0011] Preferably, the limiting component includes a gasket, and limiting plates are slidably provided on both the first and second support plates. The gasket is fixedly provided on one side of the limiting plate. A threaded rod is threadedly mounted on one side of both the first and second support plates. One end of the threaded rod is rotatably connected to the other side of the limiting plate, and a rotating wheel is fixedly provided on the other end of the threaded rod.
[0012] Preferably, both the first pallet and the second pallet are provided with guide grooves, and a guide block is fixedly provided on the lower end face of the limiting plate, and the guide block is slidably disposed in the guide groove.
[0013] Preferably, the feeding mechanism includes a U-shaped frame, and two U-shaped frames are provided. One U-shaped frame is fixedly set at one end of the base plate, and the other U-shaped frame is fixedly set at the other end of the base plate. Two side plates are fixedly set on the upper surface of the U-shaped frame, and a plurality of evenly distributed rotating shafts are fixedly set between the two side plates. A rotating roller is rotatably installed in the middle of the rotating shaft.
[0014] Preferably, an anti-slip ring is fixedly provided on the outer wall of the rotating roller.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] 1. In this utility model, by setting a front positioning mechanism and a rear positioning mechanism, the front end of the tricycle chassis is lifted and positioned by the cooperation of the first cylinder and the first support plate, and the rear end of the tricycle chassis is lifted and positioned by the cooperation of the second cylinder and the second support plate, thereby improving the convenience and efficiency of the tricycle body assembly operation.
[0017] 2. In this utility model, by setting up a servo motor, a double-headed screw and a moving seat, two adjacent No. 2 pallets can be driven to move closer to each other, and the rear end of the tricycle chassis of different widths can be lifted and positioned to meet the assembly operation of tricycle chassis of different sizes and improve flexibility. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the positioning and lifting mechanism for assembling an electric vehicle body according to the present invention.
[0020] Figure 2 This is a schematic diagram of the front positioning mechanism and limiting component of this utility model.
[0021] Figure 3 This is a schematic diagram of the rear positioning mechanism of this utility model.
[0022] Figure 4 This utility model Figure 3 Enlarged schematic diagram of part A in the diagram.
[0023] Figure 5 This is a schematic diagram of the assembly of the three-wheeled vehicle chassis and the three-wheeled vehicle body according to an embodiment of the present utility model.
[0024] In the diagram: 1. Base plate; 2. Front positioning mechanism; 3. Rear positioning mechanism; 5. Limiting component; 6. Feeding mechanism; 21. Cylinder No. 1; 22. Base No. 1; 23. Bolt No. 1; 24. Fixed seat; 25. Support plate No. 1; 31. Cylinder No. 2; 32. Base No. 2; 33. Bolt No. 2; 34. Support plate No. 2; 35. Moving seat; 36. Servo motor; 37. Double-ended screw; 38. Guide rail; 39. Slider; 4. Toothed pulley; 41. Transmission toothed belt; 51. Limiting plate; 52. Shim; 53. Guide groove; 54. Guide block; 55. Threaded rod; 56. Rotary wheel; 61. U-shaped frame; 62. Side plate; 63. Rotating shaft; 64. Rotating roller; 65. Anti-slip ring; 10. Tricycle chassis; 20. Tricycle carriage. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Example: Figure 1-5As shown, this utility model provides a positioning and lifting mechanism for assembling an electric vehicle body, including a base plate 1. A front positioning mechanism 2 and a rear positioning mechanism 3 are respectively provided on the base plate 1. By providing the front positioning mechanism 2 and the rear positioning mechanism 3, the front positioning mechanism 2 can lift and position the front end of the tricycle chassis 10, and the rear positioning mechanism 3 can lift and position the rear end of the tricycle chassis 10, thereby facilitating the welding of the tricycle body 20 onto the tricycle chassis 10. Limiting components 5 are provided on the front positioning mechanism 2 and the rear positioning mechanism 3. By providing the limiting components 5, the limiting components 5 can limit the two sides of the tricycle chassis 10, thereby improving the stability of the tricycle chassis 10. Loading mechanisms 6 are provided at both ends of the base plate 1. By providing the loading mechanisms 6, it is convenient to move the tricycle chassis 10 and the tricycle body 20 above the front positioning mechanism 2 and the rear positioning mechanism 3.
[0027] The front positioning mechanism 2 includes a first cylinder 21, of which four first cylinders 21 are provided. A first base 22 is fixedly provided at the bottom end of the first cylinder 21. Four evenly distributed fixed seats 24 are fixedly provided on the upper surface of the base plate 1. The first base 22 is detachably installed on the fixed seats 24. Several first bolts 23 are threadedly installed on the first base 22. One end of the first bolt 23 is threadedly connected to the threaded hole on the upper end face of the fixed seat 24. By rotating the first bolt 23, the first cylinder 21 can be disassembled, so that the first cylinder 21 is separated from the base plate 1. A first support plate 25 is fixedly provided at the piston end of the first cylinder 21. By starting the first cylinder 21, the piston end of the first cylinder 21 can make the first support plate 25 vertically rise and fall. When the front end of the tricycle chassis 10 is located inside the first support plate 25, the front end of the tricycle chassis 10 can be vertically raised and lowered, which also facilitates the operator to perform assembly operations on the lower surface of the front end of the tricycle chassis 10.
[0028] The rear positioning mechanism 3 includes four cylinders 31. A base 32 is fixedly mounted on the bottom of each cylinder 31, and a support plate 34 is fixedly mounted on the piston end of each cylinder 31. Activating the cylinders 31 causes the support plate 34 to rise and fall vertically, thereby vertically raising and lowering the rear end of the tricycle chassis 10. Four evenly distributed movable seats 35 are slidably mounted on the upper surface of the base plate 1. The base 32 is detachably mounted on the movable seats 35. The drive seat 35 moves horizontally, and the drive seat 35 can synchronously move the second cylinder 31 and the second support plate 34 horizontally via the second base 32, changing the distance between two adjacent second support plates 34 to meet the positioning of tricycle chassis 10 of different widths. Several second bolts 33 are rotatably installed on the second base 32. One end of the second bolt 33 is rotatably connected to the threaded hole on the upper end face of the drive seat 35. By setting the second bolts 33, the second cylinder 31 can be installed and removed. The upper surface of the base plate 1 Two guide rails 38 are fixedly installed, and two sliders 39 are slidably mounted on the guide rails 38. The lower end face of the movable seat 35 is fixedly connected to the upper end face of the sliders 39. By setting the guide rails 38 and sliders 39, the sliders 39 can slide horizontally along the guide rails 38, thereby enabling the movable seat 35 to move horizontally. A servo motor 36 is fixedly installed at one end of the base plate 1, and two double-headed screws 37 are rotatably mounted on the upper surface of the base plate 1. The drive output end of the servo motor 36 is connected to one of the double-headed screws 37. The two ends are fixedly connected, with one double-ended screw 37 and two adjacent movable seats 35 being threadedly rotatably connected. By starting the servo motor 36, the drive shaft of the servo motor 36 can make the double-ended screw 37 rotate. The double-ended screw 37 can drive the two movable seats 35 to move closer or further apart. One end of each of the two double-ended screws 37 is fixedly provided with a toothed pulley 4, and a transmission toothed belt 41 is installed between the two toothed pulleys 4. By setting the toothed pulleys 4 and the transmission toothed belt 41, the two double-ended screws 37 can rotate synchronously in the same direction.
[0029] The limiting component 5 includes a gasket 52. Limiting plates 51 are slidably mounted on both the first support plate 25 and the second support plate 34. The gasket 52 is fixedly mounted on one side of the limiting plate 51. By setting the limiting plate 51 and the gasket 52, when the limiting plate 51 moves horizontally towards the side of the tricycle chassis 10, the limiting plate 51 can limit the tricycle chassis 10 through the gasket 52. Guide grooves 53 are provided on both the first support plate 25 and the second support plate 34. A guide block 54 is fixedly mounted on the lower end face of the limiting plate 51, and the guide block 54 is slidably mounted on the guide... Inside the groove 53, by setting the guide groove 53 and the guide block 54, the guide block 54 can slide horizontally along the inner wall of the guide groove 53, thereby enabling the limiting plate 51 to move horizontally. One side of the first support plate 25 and the second support plate 34 are threadedly rotatably mounted with threaded rods 55. One end of the threaded rod 55 is rotatably connected to the other side of the limiting plate 51, and the other end of the threaded rod 55 is fixedly provided with a rotating wheel 56. By rotating the rotating wheel 56, the rotating wheel 56 can make the threaded rod 55 rotate, and the threaded rod 55 can drive the limiting plate 51 to move horizontally.
[0030] The feeding mechanism 6 includes a U-shaped frame 61. Two U-shaped frames 61 are provided. One U-shaped frame 61 is fixedly set at one end of the base plate 1, and the other U-shaped frame 61 is fixedly set at the other end of the base plate 1. Two side plates 62 are fixedly set on the upper surface of the U-shaped frame 61. A plurality of evenly distributed rotating shafts 63 are fixedly set between the two side plates 62. A rotating roller 64 is rotatably installed in the middle of the rotating shaft 63. An anti-slip ring 65 is fixedly set on the outer wall of the rotating roller 64. By setting the rotating shaft 63, rotating roller 64 and anti-slip ring 65, when the tricycle chassis 10 or tricycle carriage 20 is located on the anti-slip ring 65, the tricycle chassis 10 or tricycle carriage 20 is pushed to move horizontally. The rotating roller 64 rotates on the rotating shaft 63, which makes it convenient for the operator to push the tricycle chassis 10 or tricycle carriage 20 onto the front positioning mechanism 2 and the rear positioning mechanism 3.
[0031] Working principle: When welding and assembling the tricycle chassis 10 and the tricycle body 20 is required, the operator first uses the hoisting equipment to push the front end of the tricycle chassis 10 onto the rotating roller 64 at one end of the base plate 1. The front end of the tricycle chassis 10 is then moved onto the four No. 1 support plates 25 along the rotating roller 64. At the same time, the operator starts the four No. 1 cylinders 21. The piston end of the No. 1 cylinder 21 extends, pushing the No. 1 support plate 25 vertically upward. The four No. 1 support plates 25 support the front end of the tricycle chassis 10.
[0032] Then, following the steps described above, push the rear end of the tricycle chassis 10 onto the four No. 2 support plates 34, and then activate the four No. 2 cylinders 31. The piston end of the No. 2 cylinder 31 extends, pushing the No. 2 support plates 34 to rise vertically. The four No. 2 support plates 34 support the rear end of the tricycle chassis 10.
[0033] At this time, align the front end of the tricycle chassis 10 with the rear end of the tricycle chassis 10, and then rotate multiple rotating wheels 56 to rotate the threaded rod 55. The threaded rod 55 drives the limiting plate 51 to move horizontally toward the side of the tricycle chassis 10. The limiting plate 51 limits the front and rear ends of the tricycle chassis 10 through the shims 52, so that it is stably fixed on the four No. 1 support plates 25 and the four No. 2 support plates 34. Then, the workers weld the front and rear ends of the tricycle chassis 10.
[0034] After welding, the tricycle carriage 20 can be pushed to the rear end of the tricycle chassis 10 along the rotating roller 64. During this process, the tricycle chassis 10 is vertically lowered by the first cylinder 21 and the second cylinder 31, and the tricycle carriage 20 can be directly pushed to the upper surface of the tricycle chassis 10.
[0035] When the width of the rear end of the tricycle chassis 10 to be welded increases, the operator starts the servo motor 36. The drive shaft of the servo motor 36 causes the corresponding double-headed screw 37 to rotate. The double-headed screw 37 rotates synchronously and in the same direction through two toothed pulleys 4 and a transmission toothed belt 41. The double-headed screw 37 drives the two moving seats 35 to move away from each other. At this time, the two adjacent second-stage support plates 34 move away from each other, so that the distance between the two adjacent second-stage support plates 34 is adapted to the width of the rear end of the tricycle chassis 10.
[0036] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.
[0037] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
Claims
1. A positioning and lifting mechanism for assembling an electric vehicle body, comprising a base plate (1), characterized in that: The base plate (1) is provided with a front positioning mechanism (2) and a rear positioning mechanism (3), and the front positioning mechanism (2) and the rear positioning mechanism (3) are provided with limit components (5). The base plate (1) is provided with feeding mechanisms (6) at both ends. The front positioning mechanism (2) includes a first cylinder (21), four first cylinders (21) are provided, a first base (22) is fixedly provided at the bottom end of the first cylinder (21), four evenly distributed fixed seats (24) are fixedly provided on the upper surface of the base plate (1), the first base (22) is detachably installed on the fixed seat (24), and a first support plate (25) is fixedly provided at the piston end of the first cylinder (21). The rear positioning mechanism (3) includes a second cylinder (31), four second cylinders (31) are provided, a second base (32) is fixedly provided at the bottom end of the second cylinder (31), a second support plate (34) is fixedly provided at the piston end of the second cylinder (31), four evenly distributed moving seats (35) are slidably provided on the upper surface of the base plate (1), the second base (32) is detachably installed on the moving seats (35), a servo motor (36) is fixedly provided at one end of the base plate (1), two double-headed screws (37) are rotatably installed on the upper surface of the base plate (1), the drive output end of the servo motor (36) is fixedly connected to one end of one of the double-headed screws (37), one of the double-headed screws (37) is threadedly rotatably connected to two adjacent moving seats (35), a toothed pulley (4) is fixedly provided at one end of each of the two double-headed screws (37), and a transmission toothed belt (41) is installed between the two toothed pulleys (4).
2. The positioning and lifting mechanism for electric vehicle body assembly as described in claim 1, characterized in that, Several No. 1 bolts (23) are rotatably installed on the No. 1 base (22), and one end of the No. 1 bolt (23) is rotatably connected to the threaded hole on the upper end face of the fixed seat (24).
3. The positioning and lifting mechanism for electric vehicle body assembly as described in claim 1, characterized in that, Several No. 2 bolts (33) are rotatably installed on the No. 2 base (32), and one end of the No. 2 bolts (33) is rotatably connected to the threaded hole on the upper end face of the movable seat (35).
4. The positioning and lifting mechanism for electric vehicle body assembly as described in claim 1, characterized in that, Two guide rails (38) are fixedly installed on the upper surface of the base plate (1), and two sliders (39) are slidably installed on the guide rails (38). The lower end face of the moving seat (35) and the upper end face of the slider (39) are fixedly connected.
5. The positioning and lifting mechanism for electric vehicle body assembly as described in claim 1, characterized in that, The limiting component (5) includes a gasket (52). Limiting plates (51) are slidably provided on both the first support plate (25) and the second support plate (34). The gasket (52) is fixedly provided on one side of the limiting plate (51). A threaded rod (55) is threadedly mounted on one side of both the first support plate (25) and the second support plate (34). One end of the threaded rod (55) is rotatably connected to the other side of the limiting plate (51). A rotating wheel (56) is fixedly provided on the other end of the threaded rod (55).
6. The positioning and lifting mechanism for electric vehicle body assembly as described in claim 5, characterized in that, Guide grooves (53) are provided on both the first pallet (25) and the second pallet (34). A guide block (54) is fixedly provided on the lower end face of the limiting plate (51). The guide block (54) is slidably disposed in the guide groove (53).
7. The positioning and lifting mechanism for electric vehicle body assembly as described in claim 1, characterized in that, The feeding mechanism (6) includes a U-shaped frame (61), and two U-shaped frames (61) are provided. One U-shaped frame (61) is fixedly set at one end of the base plate (1), and the other U-shaped frame (61) is fixedly set at the other end of the base plate (1). Two side plates (62) are fixedly set on the upper surface of the U-shaped frame (61), and a plurality of evenly distributed rotating shafts (63) are fixedly set between the two side plates (62). A rotating roller (64) is rotatably installed in the middle of the rotating shaft (63).
8. The positioning and lifting mechanism for electric vehicle body assembly as described in claim 7, characterized in that, An anti-slip ring (65) is fixedly provided on the outer wall of the rotating roller (64).