Electric vehicle maintenance lifting device

Abstract

The utility model relates to an electric vehicle maintenance lifting device which comprises a bottom bracket of a double-layer structure, two unthreaded shafts are arranged on the lower layer of the bottom bracket in parallel, a lifting unit and a clamping unit are installed on the unthreaded shafts in a sliding mode, the clamping unit is located in the middle of the lifting unit, and a pull rod lead screw is arranged at the rear end of the lifting unit. The rear end of the clamping unit is arranged on the pull rod lead screw in a sleeving mode and moves up and down along the pull rod lead screw. The top ends of the two optical shafts are jointly provided with an upper fixing frame, the upper fixing frame is provided with a pulley, the clamping unit is provided with a pulley, the front end of the lower layer of the bottom bracket is provided with a winch, and the winch is connected with the pulleys and drives the clamping unit to move up and down along the optical shafts. The lifting device has the advantages of modularization, light weight, intellectualization and universalization, solves the problem that an electric vehicle cannot be clamped and lifted during maintenance at present, and is wide in application range and safe and reliable in lifting operation.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting mechanical equipment, and particularly relates to a lifting device for electric vehicle maintenance. Background Art

[0002] Lifting machines are currently widely used in industrial fields for lifting and suspending heavy objects, and are mostly used for vehicle maintenance, parking lot management, etc. They have a certain degree of adaptability and can rely on power sources and mechanical structures to adapt to various industrial processing and manufacturing.

[0003] The most traditional way to repair electric bicycles is to place them underground, and maintenance personnel squat down to perform maintenance operations. This is not only tiring for people but also inconvenient to operate, and does not conform to the ergonomic design. Later, small gantries or soft chains were designed to lift electric bicycles for maintenance operations. This method is not stable enough to fix electric vehicles, and the maintenance positioning is inaccurate.

[0004] Therefore, it is necessary to innovate the fixing method and lifting method of the lifting machine, so that the equipment has wide adaptability, and effectively solves the problems of low tool adaptability, cumbersome maintenance steps and workers' personal safety.

[0005] To solve the problems raised in the above background, the purpose of the utility model is to provide a convenient working platform for electric bicycle maintenance. Summary of the Utility Model

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a lifting device for electric vehicle maintenance, which has the advantages of modularization, light weight, intelligence and generalization, and solves the problem that electric vehicles cannot be clamped and lifted during maintenance at present.

[0007] The utility model solves its technical problems through the following technical solutions:

[0008] A lifting device for electric vehicle maintenance includes a bottom bracket with a double-layer structure. Two optical axes are arranged in parallel on the lower layer of the bottom bracket. A lifting unit and a clamping unit are slidably installed on the optical axes. The clamping unit is located in the middle of the lifting unit. A pull rod screw is arranged at the rear end of the lifting unit. The rear end of the clamping unit is sleeved on the pull rod screw and moves up and down along the pull rod screw. The top ends of the two optical axes are jointly installed with an upper fixing frame. A pulley is installed on the upper fixing frame. A pulley is arranged on the clamping unit. A winch is arranged at the front end of the lower layer of the bottom bracket. The winch is connected to the pulley and drives the clamping unit to move up and down along the optical axis. An elevation control unit is arranged at the front end of the lower layer of the bottom bracket. The elevation control unit drives the lifting unit to move up and down along the optical axis. Both the elevation control unit and the winch are connected to a power source.

[0009] Moreover, the lifting unit includes a lifting frame and lifting pallets installed on both sides of the lifting frame, and universal wheels are installed at both ends of the lifting frame.

[0010] Moreover, the clamping unit includes an L-shaped bottom support frame. The rear end of the L-shaped bottom support frame is sleeved on the pull rod screw through a pull arm. A worm gear motor is installed on the lifting frame. The end of the worm gear motor is connected to a positive and negative lead screw through a coupling. Two clamp arm bases are installed on the positive and negative lead screws. Clamping plates are hingedly connected to the clamp arm bases through clamp arm hinges. A lifting platform is arranged at intervals between the two clamp arm bases.

[0011] Moreover, an anti-slip rubber pad is arranged on the end face of the clamping plate.

[0012] Moreover, a lead screw nut is fixedly installed at the upper end of the pull rod screw.

[0013] Moreover, a waterproof cover is arranged outside the lowering control unit, the winch and the power supply.

[0014] Moreover, a handrail is rotatably installed at the front end of the upper layer of the bottom bracket through a handrail bracket, and universal wheels are installed at the bottom of the front end of the bottom bracket.

[0015] Moreover, graphite bronze bushings are arranged between the optical axis and the lifting frame and the L-shaped bottom support frame.

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

[0017] 1. The electric vehicle maintenance lifting device of the present utility model has the advantages of modularization, lightweight, intelligentization, and generalization, and solves the problem that electric vehicles cannot be clamped and lifted during maintenance at present.

[0018] 2. The present utility model adjusts the pressure of the clamping plate by outputting torque through the worm gear motor and the positive and negative lead screws, and then the clamping arm hinge on the clamping plate performs self-adaptive fixed clamping on the electric vehicle carrier. Therefore, there is no need to replace the fixture during clamping, improving the maintenance efficiency of the carrier.

[0019] 3. The present utility model can limit the pallet by adjusting the lead screw nut, making it adapt to the needs of different vehicle models, improving the adaptability of the device, and solving the problems of low adaptability and efficiency.

[0020] 4. The two-way lead screw of the clamping unit of the present utility model can be centered, enabling the clamping plate to automatically correct the position of the carrier.

[0021] 5. The present utility model is easy to maintain through the cooperation of graphite bronze bushings and the optical axis, solving the problem of low convenience. The positive and negative lead screws and the worm gear motor can self-lock, the winch has a large safety redundancy, and the clamping and lifting stability is high, ensuring safe use. Description of the Drawings

[0022] Figure 1 This is the front view of the present utility model;

[0023] Figure 2 is Figure 1 the top view of;

[0024] Figure 3 is Figure 1 the left view of;

[0025] Figure 4 This is the structural schematic diagram of the present utility model;

[0026] Figure 5 This is another structural schematic diagram of the present utility model.

[0027] Explanation of reference numerals in the drawings

[0028] 1 - support rod, 2 - pulley, 3 - upper fixing frame, 4 - optical axis, 5 - L-shaped bottom support frame, 6 - pulling arm, 7 - pull rod screw, 8 - armrest support, 9 - bottom support frame, 10 - universal wheel, 11 - waterproof cover, 12 - winch, 13 - power supply, 14 - coupling, 15 - clamping arm hinge, 16 - worm gear motor, 17 - lifting platform, 18 - clamping arm base, 19 - clamping plate, 20 - lead screw nut, 21 - forward and reverse lead screw, 22 - anti-slip rubber pad, 23 - lifting frame, 24 - lifting support plate, 25 - graphite copper sleeve. Detailed implementation manners

[0029] The present utility model will be further described in detail below through specific embodiments. The following embodiments are only descriptive and not restrictive, and the protection scope of the present utility model cannot be limited thereby.

[0030] An electric vehicle maintenance lifting device, the innovation of which lies in: including a bottom support frame 9 with a double-layer structure, two optical axes 4 are arranged in parallel on the lower layer of the bottom support frame, a lifting unit and a clamping unit are slidably installed on the optical axes, the clamping unit is located in the middle of the lifting unit, a pull rod screw is arranged at the rear end of the lifting unit, the rear end of the clamping unit is sleeved on the pull rod screw and moves up and down along the pull rod screw; the top ends of the two optical axes are commonly installed with an upper fixing frame 3, a pulley 2 is installed on the upper fixing frame, a pulley is arranged on the clamping unit, a winch 12 is arranged at the front end of the lower layer of the bottom support frame, the winch is connected with the pulley and drives the clamping unit to move up and down along the optical axis; a lifting control unit is arranged at the front end of the lower layer of the bottom support frame, the lifting control unit drives the lifting unit to move up and down along the optical axis, and both the lifting control unit and the winch are connected with the power supply 13.

[0031] The structure of the utility model is ingeniously designed, with the advantages of modularization, lightweight, intelligence, and generalization. It solves the problem that the current electric vehicle maintenance cannot be lifted. Through the cooperation of the clamping unit and the lifting unit, the electric vehicle to be repaired can be lifted to different heights as needed, and the clamping of the electric vehicle is stable, ensuring the safety of the electric vehicle lifting.

[0032] The lifting unit includes a lifting frame 23 and lifting pallets 24 installed on both sides of the lifting frame. Universal wheels 10 are installed at both ends of the lifting frame, improving the safety and stability of the electric vehicle lifting and ensuring the operation safety.

[0033] The clamping unit includes an L-shaped bottom bracket 5. The rear end of the L-shaped bottom bracket is sleeved on the pull rod screw 7 through a pull arm 6. A worm gear motor 16 is installed on the lifting frame. The end of the worm gear motor is connected to a positive and negative lead screw 21 through a coupling 14. Two clamp arm bases 18 are installed on the positive and negative lead screws. Clamping plates 19 are hingedly connected to the clamp arm bases through clamp arm hinges 15. A lifting platform 17 is arranged at intervals between the two clamp arm bases. The pressure of the clamping plates is adjusted by the torque output of the worm gear motor and the positive and negative lead screws, and the electric vehicle carrier is adaptively fixed and clamped by the clamp arm hinges on the clamping plates. Therefore, no fixture needs to be replaced during clamping, improving the maintenance efficiency of the carrier.

[0034] Anti-slip rubber pads 22 are arranged on the end faces of the clamping plates, which can protect the electric vehicle and prevent damage to the electric vehicle during clamping.

[0035] A lead screw nut 20 is fixedly installed at the upper end of the pull rod screw. The movement of the lead screw nut on the pull rod screw can adjust the distance between the electric vehicle wheel and the lifting platform, limit the lifting platform, make it adapt to the needs of different vehicle models, improve the adaptability of the device, and solve the problems of low adaptability and efficiency.

[0036] A waterproof cover 11 is arranged outside the lowering control unit, winch and power supply, which can prevent water from entering and causing dangers such as electric leakage, ensuring the use safety.

[0037] A handrail 1 is rotatably installed at the front end of the upper layer of the bottom bracket through a handrail bracket 8. Universal wheels are installed at the bottom of the front end of the bottom bracket, facilitating the overall movement and pulling of the lifting platform, improving the movement convenience and saving manpower.

[0038] Graphite bronze bushings 25 are arranged between the optical axis and the lifting frame and the L-shaped bottom bracket, which are easy to maintain and solve the problem of low convenience.

[0039] The working principle of the utility model is:

[0040] When performing maintenance operations on an electric vehicle, push the electric vehicle onto the lifting pallet so that the two wheels of the electric vehicle are respectively located on the two lifting pallets. Then, drive the clamping unit upward along the optical axis through the winch to reach the chassis of the electric vehicle, so that the lifting platform contacts the chassis of the electric vehicle;

[0041] Start the worm gear motor to drive the reversing lead screw to move, and adjust the distance between the two clamp arm bases and the lifting platform, so that the clamping plates contact both sides of the electric vehicle to clamp the electric vehicle;

[0042] Start the lifting control unit to control the lifting frame to drive the electric vehicle upward to the required height, and then maintenance operations can be performed;

[0043] After the operation is completed, start the lifting control unit again to make the electric vehicle move downward to the ground. Then, release the clamping operation of the clamping unit on the electric vehicle, and push the electric vehicle away from the lifting pallet to complete the maintenance lifting operation of the electric vehicle.

[0044] Although the embodiments and drawings of the present invention are disclosed for illustrative purposes, those skilled in the art can understand that: without departing from the spirit and scope of the present invention and the appended claims, various substitutions, changes, and modifications are possible. Therefore, the scope of the present invention is not limited to the content disclosed in the embodiments and drawings.

Claims

1. An electric vehicle maintenance lifting device, characterized in that: It comprises a double-layer structured bottom bracket, wherein two optical axes are arranged in parallel on the lower layer of the bottom bracket, a lifting unit and a clamping unit are slidably mounted on the optical axes, the clamping unit is located in the middle of the lifting unit, a pull rod screw is arranged on the rear end of the lifting unit, the rear end of the clamping unit is sleeved on the pull rod screw and moves up and down along the pull rod screw; an upper fixing frame is installed on the top ends of the two optical axes, a pulley is installed on the upper fixing frame, a pulley is arranged on the clamping unit, a winch is arranged on the front end of the lower layer of the bottom bracket, the winch is connected to the pulley and drives the clamping unit to move up and down along the optical axis; a lifting control unit is arranged on the front end of the lower layer of the bottom bracket, the lifting control unit drives the lifting unit to move up and down along the optical axis, and both the lifting control unit and the winch are connected to a power supply.

2. The electric vehicle maintenance lifting device according to claim 1, characterized in that: The lifting unit comprises a lifting frame and lifting supporting plates installed on both sides of the lifting frame, and universal wheels are installed at both ends of the lifting frame.

3. The electric vehicle maintenance lifting device according to claim 2, characterized in that: The clamping unit includes an L-shaped supporting frame, the rear end of which is sleeved on the pull rod screw through a pulling arm, a worm gear motor is installed on the lifting frame, the end of the worm gear motor is connected to the forward and reverse screws through a coupling, two clamping arm bases are installed on the forward and reverse screws, the clamping arm bases are hingedly connected to the clamping plate through a clamping arm hinge, and a lifting platform is arranged between the two clamping arm bases.

4. The electric vehicle maintenance lifting device according to claim 3, characterized in that: An anti-skid rubber pad is arranged on the end surface of the clamping plate.

5. The electric vehicle maintenance lifting device according to claim 1, characterized in that: A screw nut is fixedly mounted on the upper end of the pull rod screw.

6. The electric vehicle maintenance lifting device according to claim 1, characterized in that: The descending control unit, winch and power supply are provided with waterproof covers outside.

7. The electric vehicle maintenance lifting device according to claim 1, characterized in that: The upper front end of the bottom bracket is rotatably mounted with a handrail through a handrail bracket, and a universal wheel is mounted at the bottom of the front end of the bottom bracket.

8. The electric vehicle maintenance lifting device according to claim 2, characterized in that: Graphite copper sleeves are arranged between the optical axis, the lifting frame and the L-shaped supporting frame.

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