Maintenance auxiliary system for electric vehicle maintenance
The system streamlines battery pack handling and inspection by integrating a vehicle lift and movable assembly with hydraulic controls and negative pressure extraction, addressing the inefficiencies of traditional methods.
Patent Information
- Application Number
- CN202510381346.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2025-07-15
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The prior art requires multiple mechanical cooperation during electric vehicles, which limits the requirements for machinery and site. The removal of the battery pack is extremely limited, and when the bottom of the battery pack is damaged, the battery pack needs to be removed before inspection is checked, resulting in inconvenience in inspection.
A maintenance assistance system for electric vehicle maintenance is designed, including battery loading and unloading assistance devices and battery maintenance devices. The adjustment lifting seat and mobile combined seat are used for hydraulic control, combined with the damage inspection device and negative pressure adsorbents to achieve seamless disassembly, detection and maintenance of the battery pack.
It realizes seamless disassembly and inspection of the battery pack, improves maintenance efficiency, reduces manual intervention time, improves detection accuracy and safety, and shortens maintenance cycle.
Smart Images

Figure CN120308866A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of electric vehicle maintenance, and particularly relates to a maintenance assistance system for electric vehicle maintenance. Background Art
[0002] The maintenance and repair of the electric vehicle battery pack are crucial for ensuring vehicle performance, extending battery life, and reducing usage costs. The battery pack of an electric vehicle is often installed at the bottom of the vehicle body, which makes the battery pack extremely vulnerable to scraping and bumping during driving. When the battery pack is damaged, during the repair and maintenance process, the battery pack needs to be removed, and each battery cell inside the battery pack needs to be checked one by one to ensure the safety of the battery cells. Since the battery pack is at the bottom, the electric vehicle needs to be lifted by a hoist before the battery pack can be taken out, and at this time, another set of hoists is required to support and remove the battery pack. This makes it necessary to cooperate with multiple machines during vehicle repair, and there are limitations on the requirements for machines and the site, making the removal extremely restricted. Moreover, after the battery pack is removed, the cover needs to be opened to check each battery cell inside one by one. When the bottom of the battery pack is damaged, the battery cells need to be taken out of the battery pack before the bottom of the battery cells can be routinely checked. This makes it extremely inconvenient to check the battery cells of an electric vehicle. Based on this, a maintenance assistance system for electric vehicle maintenance is proposed. Summary of the Invention
[0003] The purpose of the present invention is to solve the problems existing in the prior art that during the repair of electric vehicles, multiple machines need to cooperate, there are limitations on the requirements for machines and the site, making the removal extremely restricted, and after the battery pack is removed, the cover needs to be opened to check each battery cell inside one by one. When the bottom of the battery pack is damaged, the battery cells need to be taken out of the battery pack before the bottom of the battery cells can be routinely checked, which makes it extremely inconvenient to check the battery cells of an electric vehicle, and to propose a maintenance assistance system for electric vehicle maintenance.
[0004] In order to achieve the above purpose, the present invention adopts the following technical scheme:
[0005] A maintenance assistance system for electric vehicle maintenance includes a battery loading and unloading assistance device and a battery maintenance device that cooperate with a maintenance hoist. The battery loading and unloading assistance device includes a vehicle lifting platform connected to the maintenance hoist. Rotating support members adapted to vehicle support beams are provided at the four corners of the vehicle lifting platform. The bottom of the vehicle lifting platform is connected to an adjustment lifting seat through a hydraulic control telescopic member. A movable combination seat that cooperates with the battery maintenance device is detachably installed on the adjustment lifting seat. A damage inspection device for inspecting the battery pack is provided on the movable combination seat. A folding support member is provided at the bottom of the movable combination seat;
[0006] The battery maintenance device includes a maintenance table, on which there is inspection equipment for performing electrical signal maintenance on the battery. There is a plug-in installation table on the maintenance table for combined installation with a mobile combined seat. An assembly plug-in opening for assembling the plug-in installation table is provided on the mobile combined seat. The maintenance table is connected to a battery negative pressure lifting seat through a telescopic cover member, and a negative pressure suction member for lifting the battery pack is provided on the battery negative pressure lifting seat.
[0007] Preferably, the hydraulic control telescopic member includes adjustment connecting plates fixedly arranged on both sides of the adjustment lifting seat. Sliding grooves are provided in both the adjustment connecting plates and the bottom of the vehicle lifting platform. Traction sliders are relatively slidably arranged in the sliding grooves. The traction sliders are interconnected by a cross bar. Hydraulic cylinders connected to the traction sliders are provided at both ends of the adjustment connecting plates.
[0008] Preferably, the damage inspection device includes a lighting groove opened on the mobile combined seat. Supplementary lighting inspection lamps are evenly arranged in the lighting groove, and a plurality of conical support seats for supporting the battery pack are densely arranged in the lighting groove.
[0009] Preferably, the folding support member includes a storage groove arranged at the bottom of the mobile combined seat. Folding support legs are connected to the inner walls at both ends of the storage groove through folding traction springs, and universal wheels are provided at the bottoms of the folding support legs.
[0010] Preferably, a combined sliding groove is opened on the adjustment lifting seat, and combined sliding strips adapted to the combined sliding groove are provided on both sides of the mobile combined seat.
[0011] Preferably, the telescopic cover member includes telescopic brackets on both sides and a dust-proof cover arranged between the telescopic brackets. The battery negative pressure lifting seat is connected to the ends of the telescopic brackets, and an L-shaped auxiliary support wheel plate that slides on the combined sliding strips is provided on the battery negative pressure lifting seat.
[0012] Preferably, the negative pressure suction member includes a lifting electric push rod arranged on the battery negative pressure lifting seat. The output end of the lifting electric push rod is connected to a U-shaped corresponding frame through a lifting support plate, and suction cups driven by a negative pressure pump for adsorption are provided on the U-shaped corresponding frame.
[0013] Preferably, the rotating support member includes a support arm and a support end arranged at one end of the support arm. One end of the support arm is rotatably connected to the side wall of the vehicle lifting platform.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] 1. The present invention is designed based on the battery pack on the chassis of an electric vehicle. By providing an adjustment lifting seat controlled by a hydraulic control telescopic member at the bottom of the vehicle lift table, it can realize the disassembly support of the vehicle battery pack, and switch between the combined mobile combined seat, the adjustment lifting seat and the maintenance table to achieve seamless connection of the battery loading and unloading and maintenance workstations, improving the maintenance efficiency.
[0016] 2. The present invention quickly docks the mobile combined seat and the maintenance table through the assembly insertion port and the insertion installation table to realize the full-process automatic transfer of the battery pack from disassembly to detection and maintenance, reducing the manual intervention time. The maintenance table is equipped with inspection equipment, supporting the detection of the battery pack's electrical signal, monomer replacement and circuit repair, achieving one-stop maintenance and shortening the maintenance cycle.
[0017] 3. The present invention combines a supplementary light inspection lamp with a conical support seat to reduce the light-blocking area through multi-point support, accurately locate the damaged or deformed area of the battery pack shell through bottom light transmission, improving the detection efficiency and accuracy. The negative pressure suction accessory safely extracts the battery pack through negative pressure adsorption, avoiding mechanical damage that may be caused by traditional tools, and effectively assisting maintenance personnel in the disassembly and installation of vehicle batteries. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 FIG. is a schematic three-dimensional structure diagram of a maintenance auxiliary system for electric vehicle maintenance proposed by the present invention;
[0019] Figure 2 FIG. is a schematic structure diagram of a battery loading and unloading auxiliary device in a maintenance auxiliary system for electric vehicle maintenance proposed by the present invention;
[0020] Figure 3 FIG. is a schematic assembly state diagram of a battery maintenance device and a mobile combined seat in a maintenance auxiliary system for electric vehicle maintenance proposed by the present invention;
[0021] Figure 4 FIG. is a schematic structure diagram of an adjustment lifting seat and a mobile combined seat in a maintenance auxiliary system for electric vehicle maintenance proposed by the present invention;
[0022] Figure 5 FIG. is a schematic structure diagram of a maintenance hoist and a vehicle lift table in a maintenance auxiliary system for electric vehicle maintenance proposed by the present invention;
[0023] Figure 6 FIG. is a schematic assembly structure diagram of a battery maintenance device in a maintenance auxiliary system for electric vehicle maintenance proposed by the present invention;
[0024] Figure 7 FIG. is a schematic three-dimensional structure diagram of a battery maintenance device in a maintenance auxiliary system for electric vehicle maintenance proposed by the present invention;
[0025] Figure 8 Schematic diagram of the combined structure of a mobile combined seat and a folding support member in a maintenance auxiliary system for electric vehicles proposed by the present invention.
[0026] In the figure: 1, maintenance hoist; 2, vehicle lift table; 3, rotating support member; 4, adjustment lifting seat; 5, mobile combined seat; 6, maintenance table; 7, inspection equipment; 8, insertion installation table; 9, assembly insertion port; 10, telescopic cover member; 11, battery negative pressure lifting seat; 12, adjustment connecting plate; 13, sliding groove; 14, traction slider; 15, cross bar; 16, hydraulic cylinder; 17, supplementary light inspection lamp; 18, conical support seat; 19, storage groove; 20, folding leg; 21, combined sliding groove; 22, combined sliding strip; 23, L-shaped auxiliary support wheel plate; 24, lifting electric push rod; 25, U-shaped corresponding frame; 26, suction cup. Detailed implementation manners
[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0028] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0029] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
[0030] Example, refer to Figures 1 to 8, A maintenance auxiliary system for electric vehicles, including a battery loading and unloading auxiliary device and a battery maintenance device used in conjunction with a maintenance hoist 1. The battery loading and unloading auxiliary device includes a vehicle lifting platform 2 connected to the maintenance hoist 1. The vehicle lifting platform 2 is integrally made of a hollow steel structure, which can ensure the disassembly of the vehicle battery on the vehicle chassis. At the four corners of the vehicle lifting platform 2, there are rotating support members 3 adapted to the vehicle support beams. Further, the rotating support member 3 includes a support arm and a support end provided at one end of the support arm. One end of the support arm is rotatably connected to the side wall of the vehicle lifting platform 2. Since the positions of the support load-bearing beams of different vehicles are different, the rotating support member 3 is provided to meet the support effect of different vehicles.
[0031] The bottom of the vehicle lifting platform 2 is connected with an adjustment lifting seat 4 through a hydraulic control telescopic member. Further, the hydraulic control telescopic member includes adjustment connecting plates 12 fixedly provided on both sides of the adjustment lifting seat 4. The adjustment connecting plates 12 and the bottom of the vehicle lifting platform 2 are both provided with sliding grooves 13. Traction sliders 14 are relatively slidably arranged in the sliding grooves 13. The traction sliders 14 are connected to each other through a cross bar 15. Both ends of the adjustment connecting plates 12 are provided with hydraulic cylinders 16 connected to the traction sliders 14;
[0032] In this solution, the hydraulic cylinder 16 drives the traction slider 14 to move. After the vehicle battery pack is disassembled under the vehicle, the load of the vehicle battery pack is borne by the adjustment lifting seat 4. The hydraulic cylinder 16 can drive the traction slider 14 to approach, so that the vehicle battery pack carried on the adjustment lifting seat 4 is driven to move downward, thereby separating the vehicle battery pack from under the vehicle and ensuring that the vehicle battery pack can be slowly conveyed downward, which is convenient for inspection and maintenance.
[0033] The adjustment lifting seat 4 is provided with a combined sliding groove 21. Both sides of the moving combined seat 5 are provided with combined sliding strips 22 adapted to the combined sliding groove 21. The cooperation between the combined sliding strips 22 and the combined sliding groove 21 can realize the combined installation between the adjustment lifting seat 4 and the moving combined seat 5.
[0034] A moving combined seat 5 used in conjunction with the battery maintenance device is detachably installed on the adjustment lifting seat 4. A damage inspection device for inspecting the battery pack is provided on the moving combined seat 5. Further, the damage inspection device includes a lighting groove opened on the moving combined seat 5. Supplementary lighting inspection lamps 17 are evenly arranged in the lighting groove. A plurality of conical support seats 18 for supporting the battery pack are densely arranged in the lighting groove. The setting of the conical support seats 18 can realize multi-point support for the vehicle battery, and can avoid the occlusion of the bottom of the vehicle battery pack by the support members, which can ensure that when the supplementary lighting inspection lamp 17 is turned on for light transmission detection of the vehicle body, the light blocking area can be reduced;
[0035] When the battery pack is damaged, the supplementary lighting inspection lamp 17 can be opened from the bottom, and the light transmission condition of the bottom can be observed from above the battery pack to judge the degree of damage of the battery pack, so as to facilitate the maintenance of the electric vehicle battery.
[0036] A folding support is arranged at the bottom of the movable combined seat 5. The folding support includes a storage groove 19 arranged at the bottom of the movable combined seat 5. Folding legs 20 are connected to the inner walls at both ends of the storage groove 19 through folding traction springs. Universal wheels are arranged at the bottoms of the folding legs 20.
[0037] Among them, the folding legs 20 are arranged to be foldable. When the movable combined seat 5 and the adjustment and lifting seat 4 are used in combination, the folding legs 20 can be stored in the storage groove 19. When the movable combined seat 5 is used alone, the folding legs 20 can be unfolded, and flexible movement can be achieved through the design of the universal wheels, so as to drive the vehicle battery pack to move from the loading and unloading station to the maintenance and repair station.
[0038] The battery maintenance device includes a maintenance table 6. An inspection device 7 for battery electrical signal maintenance is arranged on the maintenance table 6. A plug-in installation table 8 for combined installation with the movable combined seat 5 is arranged on the maintenance table 6. An assembly plug-in port 9 for the plug-in installation table 8 to be assembled is opened on the movable combined seat 5. The maintenance table 6 is connected with a battery negative pressure lifting seat 11 through a telescopic cover member 10. It should be noted that when the battery maintenance device is used to maintain and detect the electric vehicle battery, the disassembled electric vehicle battery pack can be transferred to the battery maintenance device through the cooperation between the movable combined seat 5 and the plug-in installation table 8, so as to quickly and effectively realize the maintenance and detection of the electric vehicle battery.
[0039] Furthermore, the telescopic cover member 10 includes telescopic supports on both sides and a dust-proof cover arranged between the telescopic supports. The use of the dust-proof cover can achieve dust-proof protection after the cover plate of the electric vehicle battery pack is removed. The battery negative pressure lifting seat 11 is connected to the end of the telescopic support. An L-shaped auxiliary support wheel plate 23 that slides on the combined slide bar 22 is arranged on the battery negative pressure lifting seat 11.
[0040] A negative pressure suction attachment for lifting the battery pack is arranged on the battery negative pressure lifting seat 11. The negative pressure suction attachment includes a lifting electric push rod 24 arranged on the battery negative pressure lifting seat 11. The output end of the lifting electric push rod 24 is connected with a U-shaped corresponding frame 25 through a lifting support plate. A suction cup 26 driven by a negative pressure pump is arranged on the U-shaped corresponding frame 25. By opening and closing the negative pressure pump, the battery pack in the electric vehicle can be adsorbed, which is convenient for taking the battery pack and convenient for maintaining the battery pack.
[0041] When the present invention is in use, drive the vehicle to be repaired onto the vehicle lift table 2, adjust the four-corner rotating support member 3 so that the support end of the support arm is precisely adapted to the vehicle support beam, lock the rotating support member 3 to ensure the stability of the vehicle, drive the vehicle lift table 2 to rise by the maintenance hoist 1, lift the vehicle to be repaired to a predetermined height, start the hydraulic control telescopic member, drive the traction slider 14 to move along the sliding groove 13 through the hydraulic cylinder 16, so that the adjustment lifting seat 4 rises to fit the vehicle chassis, ensure that the moving combination seat 5 on the adjustment lifting seat 4 contacts the vehicle battery pack, after removing the vehicle battery pack from the vehicle base, remove the battery pack fixing bolts, disconnect the electrical connection harness, the hydraulic cylinder 16 acts in the reverse direction, the traction slider 14 drives the adjustment lifting seat 4 to slowly descend, separate the battery pack from the vehicle body, and then transfer the vehicle battery pack from the battery loading and unloading auxiliary device to the battery maintenance device for maintenance;
[0042] Unfold the folding leg 20 originally stored in the storage groove 19 to support the moving combination seat 5, disconnect the adjustment lifting seat 4 from the moving combination seat 5, dock the moving combination seat 5 with the insertion mounting table 8 of the maintenance table 6, insert the assembly insertion port 9 to realize the transfer of the vehicle battery pack to the battery maintenance device, turn on the supplementary light inspection lamp 17 to inspect the battery pack housing, and accurately locate and inspect the damaged part through the light transmittance. During the maintenance process, unfold the telescopic cover member 10, start the dust cover to cover the battery pack to prevent dust from invading. When performing separate maintenance on the battery pack in the battery pack, operate the lifting electric push rod 24 to make the negative pressure suction cup 26 adsorb the surface of the battery pack, and ensure the adsorption effect through the negative pressure pump, slowly lift the battery pack to the maintenance table 6, and perform electrical signal detection, single battery replacement or circuit repair through the inspection equipment 7 provided on the maintenance table 6 to complete the auxiliary effect during vehicle maintenance.
[0043] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A maintenance assistance system for electric vehicles, comprising a battery loading and unloading assistance device and a battery maintenance device used in cooperation with a maintenance hoist (1), characterized in that, The battery loading and unloading auxiliary device includes a vehicle lifting platform (2) connected to a maintenance hoist (1). Rotating support members (3) adapted to vehicle support beams are provided at the four corners of the vehicle lifting platform (2). The bottom of the vehicle lifting platform (2) is connected to an adjustment lifting seat (4) through a hydraulic control telescopic member. A movable combination seat (5) used in cooperation with the battery maintenance device is detachably installed on the adjustment lifting seat (4). A damage inspection device for inspecting the battery pack is provided on the movable combination seat (5), and a folding support member is provided at the bottom of the movable combination seat (5). The battery maintenance device includes a maintenance table (6). Inspection equipment (7) for performing electrical signal maintenance on the battery is provided on the maintenance table (6). A plug-in installation table (8) for combined installation with the movable combination seat (5) is provided on the maintenance table (6). An assembly plug-in opening (9) for assembling the plug-in installation table (8) is provided on the movable combination seat (5). The maintenance table (6) is connected to a battery negative pressure lifting seat (11) through a telescopic cover member (10). A negative pressure suction member for lifting the battery pack is provided on the battery negative pressure lifting seat (11).
2. The maintenance and repair assistance system for electric vehicles according to claim 1, wherein, The hydraulic control telescopic member includes adjustment connecting plates (12) fixedly provided on both sides of the adjustment lifting seat (4). Sliding grooves (13) are provided on both the adjustment connecting plates (12) and the bottom of the vehicle lifting platform (2). Traction sliders (14) are slidably arranged relative to each other in the sliding grooves (13). The traction sliders (14) are interconnected through a cross bar (15). Hydraulic cylinders (16) connected to the traction sliders (14) are provided at both ends of the adjustment connecting plates (12).
3. The maintenance assistance system for electric vehicles according to claim 1, characterized in that, The damage inspection device includes a light groove provided on the movable combination seat (5). Supplementary light inspection lamps (17) are evenly arranged in the light groove. A plurality of conical support seats (18) for supporting the battery pack are densely arranged in the light groove.
4. The maintenance and repair assistance system for electric vehicles according to claim 1, characterized in that, The folding support member includes a storage groove (19) provided at the bottom of the movable combination seat (5). Folding support legs (20) are connected to the inner walls at both ends of the storage groove (19) through folding traction springs. Universal wheels are provided at the bottoms of the folding support legs (20).
5. The maintenance assistance system for an electric vehicle according to claim 1, characterized in that, Combination sliding grooves (21) are provided on the adjustment lifting seat (4). Combination sliding strips (22) adapted to the combination sliding grooves (21) are provided on both sides of the movable combination seat (5).
6. The maintenance and repair assistance system for electric vehicles according to claim 5, wherein, The telescopic cover member (10) includes telescopic brackets on both sides and a dust-proof cover provided between the telescopic brackets. The battery negative pressure lifting seat (11) is connected to the ends of the telescopic brackets. An L-shaped auxiliary support wheel plate (23) that slides on the combination sliding strip (22) is provided on the battery negative pressure lifting seat (11).
7. An auxiliary maintenance system for electric vehicle maintenance according to claim 1, characterized in that, The negative pressure suction member includes a lifting electric push rod (24) provided on the battery negative pressure lifting seat (11). The output end of the lifting electric push rod (24) is connected to a U-shaped corresponding frame (25) through a lifting support plate. A suction cup (26) driven by a negative pressure pump adsorption is provided on the U-shaped corresponding frame (25).
8. The maintenance and repair assistance system for electric vehicles according to claim 1, characterized in that, The rotating support member (3) includes a support arm and a support end provided at one end of the support arm, and one end of the support arm is rotatably connected to the side wall of the vehicle lift table (2).