Maintenance tool for battery pack

Abstract

The utility model discloses a battery pack maintenance tool which comprises a support assembly and a front fork assembly, an operation space is arranged on the inner side of the support assembly, the front fork assembly is installed on one side of the operation space, and a hanging ring is arranged on one side of a front vertical frame of the support assembly. The front fork assembly comprises a lifting mechanism, a rotating mechanism and a front fork mechanism, the rotating mechanism is installed at the output end of the lifting mechanism, a front fork of the front fork mechanism is installed at the output end of the rotating mechanism, a tensioning piece is arranged on the front side of the front fork, and the tensioning piece is connected with the hanging ring through a tensioning rope. After the battery pack is fixed through the front fork, the height of the front fork and the height of the battery pack are adjusted through the lifting mechanism, the angle of the front fork is adjusted through the rotating mechanism, the longitudinal position of the battery pack is conveniently adjusted, maintenance of the battery pack is facilitated, and the maintenance difficulty is reduced; the front end of the front fork is tensioned through the tensioning rope, the hanging ring and the tensioning piece, force balance is achieved, and the front end of the front fork is prevented from being deformed or falling off due to stress.

Description

Technical Field

[0001] This utility model relates to the field of battery pack maintenance technology, and specifically to a battery pack maintenance tool. Background Technology

[0002] A battery pack is a power supply device composed of multiple battery cells, and it is the main power source for electric vehicles and other electrical equipment. A battery pack mainly consists of battery modules, a mechanical system, an electrical system, a thermal management system, and a battery management system (BMS).

[0003] During use, battery packs experience wear and tear. Therefore, regular maintenance of the battery pack is crucial for extending battery life, maintaining driving range, and reducing battery failures. Maintenance or repair of the battery pack may require removing it from the vehicle body for external repairs. Since battery packs weigh between 50-150 kg, external clamping tools, such as forklifts or cranes, are needed to lift them to a certain height. However, forklifts have limited capabilities and cannot fully meet the needs of battery pack maintenance. Over time, uneven stress on the forks can lead to deformation. Utility Model Content

[0004] In view of the above-mentioned technical problems existing in the prior art, the present invention provides a battery pack maintenance tool.

[0005] This utility model discloses a battery pack maintenance tool, including a bracket assembly and a front fork assembly. The bracket assembly has an operating space on its inner side, and the front fork assembly is installed on one side of the operating space. A lifting ring is provided on the front upright side of the bracket assembly. The front fork assembly includes a lifting mechanism, a rotating mechanism, and a front fork mechanism. The rotating mechanism is installed at the output end of the lifting mechanism, and the front fork of the front fork mechanism is installed at the output end of the rotating mechanism. A tensioning member is provided on the front side of the front fork, and the tensioning member is connected to the lifting ring through a tensioning rope.

[0006] Preferably, the fork mechanism includes a fork frame, and the fork includes a first fork and a second fork spaced apart on the front side of the fork frame, the first fork and the second fork extending into the operating space; a tensioning ring is provided on one side of the tensioning member, and the tensioning ring is connected to the hanging ring through a tensioning rope.

[0007] Preferably, the front fork frame is provided with at least two sets of slide rails, and the front fork is mounted on the slide rails; a first limiting member that cooperates with the front fork is provided on one side of the slide rail.

[0008] Preferably, the lifting mechanism includes a first upright frame and a sliding frame.

[0009] The upper side of the first upright is provided with support wheels;

[0010] The sliding frame is equipped with a lifting motor, and the output end of the lifting motor is equipped with a winding rope. The winding rope is connected to the first upright frame through a support wheel.

[0011] Preferably, the lifting mechanism further includes a second support frame and a cylinder;

[0012] The second upright is slidably mounted on a slide rail inside the first upright;

[0013] The cylinder is mounted on the first upright, and the output end of the cylinder is connected to the second upright.

[0014] Preferably, the rotating mechanism includes a rotary motor and a support bearing.

[0015] The outer ring of the rotary motor and the support bearing is mounted on the sliding frame;

[0016] The output end of the rotary motor is connected to the inner ring of the support bearing via a gear;

[0017] The fork frame is mounted on the inner ring of the support bearing.

[0018] Preferably, the fork is provided with at least one bridging member, which is detachably mounted on the side of the battery pack.

[0019] Preferably, the bridging component is fitted onto the front fork;

[0020] A connecting flange is provided on one side of the bridging component; the connecting flange is detachably mounted on the battery pack.

[0021] Preferably, the support assembly includes a main support and an upper support mounted on the upper side of the main support; an electrical box is provided on the main support.

[0022] Compared with the prior art, the beneficial effects of this utility model are as follows: the battery pack is fixed by the front fork. After fixing, the height of the front fork and the battery pack can be adjusted by the lifting mechanism, and the angle of the front fork can be adjusted by the rotating mechanism, which facilitates the adjustment of the longitudinal position of the battery pack, realizes the beneficial battery pack maintenance, and reduces the maintenance difficulty, such as airtightness testing, battery balancing, etc. After the battery pack is installed, the front end of the front fork is tightened by the tension rope, the hanging ring and the tensioning member to achieve force balance and prevent the front end of the front fork from being deformed or falling off due to force. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the battery pack maintenance tools.

[0024] Figure 2 This is a structural diagram of the lifting mechanism;

[0025] Figure 3 This is a schematic diagram of the installation of a rotary electric motor;

[0026] Figure 4 This is a structural diagram of the front fork frame;

[0027] Figure 5 This is a diagram showing the installation of the lifting ring.

[0028] In the diagram, the markings are: 1. Maintenance device; 2. Support assembly; 21. Main support; 211. Front support; 212. Lifting ring; 22. Upper support; 23. Operating space.

[0029] 3. Front fork assembly; 31. Front fork mechanism; 311. Front fork carrier; 312. First front fork; 313. First limiting member; 315. Second front fork; 32. Lifting mechanism; 321. First upright; 322. Second upright; 323. Sliding frame; 324. Support wheel; 325. Lifting motor; 327. Cylinder; 33. Rotation mechanism; 335. Rotation motor; 331. Support bearing.

[0030] 4 electrical boxes, 7 bridging components, 71 connecting flanges; 8 tensioning components, 81 tensioning rings. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] The present invention will now be described in further detail with reference to the accompanying drawings:

[0033] A maintenance fixture 1 for a battery pack, such as Figures 1-5 It includes bracket assembly 2 and fork assembly 3.

[0034] An operating space 23 is provided on the inner side of the support assembly 2. The front fork assembly 3 is installed on one side of the operating space 23. A lifting ring 212 is provided on one side of the front upright 211 of the support assembly 2. The front fork assembly 3 includes a lifting mechanism 32, a rotating mechanism 33 and a front fork mechanism 31. The rotating mechanism 33 is installed at the output end of the lifting mechanism 32. The front fork of the front fork mechanism 31 is installed at the output end of the rotating mechanism 33. A tensioning member 8 is provided on the front side of the front fork. The tensioning member 8 is connected to the lifting ring 212 through a tensioning rope (not shown in the figure).

[0035] The battery pack is secured to the front fork. After securing, the height of the front fork and battery pack can be adjusted via a lifting mechanism, and the angle of the front fork can be adjusted via a rotating mechanism. This facilitates adjustment of the longitudinal position of the battery pack, enabling convenient battery pack maintenance and reducing maintenance difficulty, such as airtightness testing and battery balancing. After the battery pack is installed, the front end of the front fork is tightened via a tension rope, shackles, and tensioning components to achieve force balance and prevent the front end of the front fork from deforming or falling off due to stress.

[0036] Disassembly and maintenance of battery packs involves multiple steps, including clamping, lifting, rotating, and positioning. This invention integrates these functions, reducing the complexity and time required for the operation process and improving operational efficiency.

[0037] like Figure 5 As shown, a tensioning ring 81 is provided on one side of the tensioning member 8, and the tensioning ring 81 is connected to the lifting ring through a tensioning rope.

[0038] like Figure 1 and Figure 4 The fork mechanism 31 includes a fork frame 311, and the fork includes a first fork 312 and a second fork 315 spaced apart on the front side of the fork frame 311. The first fork 312 and the second fork 315 extend into the operating space 23.

[0039] The front fork frame 311 has at least two sets of slide rails on its front side, and the front fork is mounted on the slide rails; a first limiting member that cooperates with the front fork is provided on one side of the slide rail. The distance between the two front forks can be adjusted, and the front forks are fixed by bolts.

[0040] like Figure 2 and Figure 3 The lifting mechanism 32 includes a first upright frame 321 and a sliding frame 323. A support wheel 324 is provided on the upper side of the first upright frame 321. A lifting motor 325 is provided on the sliding frame 323. A steel winding rope is provided at the output end of the lifting motor 325. The winding rope is connected to the first upright frame 321 through the support wheel 324. However, it is not limited to this, and the lifting can also be driven by a hydraulic cylinder.

[0041] Optionally, the lifting mechanism 32 further includes a second support frame 322 and a cylinder 327 / hydraulic cylinder; the second support frame 322 is slidably mounted on a slide rail inside the first support frame 321; the cylinder is mounted on the first support frame 321, and the output end of the cylinder is connected to the second support frame 322. The lifting height can be adjusted via the second support frame.

[0042] The rotating mechanism 33 includes a rotary motor 335 and a support bearing 331. The outer rings of the rotary motor 335 and the support bearing 331 are mounted on the sliding frame 323. The output end of the rotary motor 335 is connected to the inner ring of the support bearing 331 via a gear. The front fork frame 311 is mounted on the inner ring of the support bearing 331.

[0043] like Figure 1 The fork is provided with at least one bridging component 7, which is detachably mounted on one side of the battery pack. The bridging component 7 is sleeved on the fork; a connecting flange 71 is provided on one side of the bridging component 7; the connecting flange 71 is detachably mounted on the battery pack.

[0044] The support assembly 2 includes a main support 21 and an upper support 22 mounted on the upper side of the main support 21; an electrical box 4 is provided on the main support 21. Battery pack maintenance tools, such as power connection cables and airtightness testing tools, can be suspended on the upper support 22.

[0045] This invention utilizes a bridging connector 7 on the front fork to grip the battery pack, accommodating various battery pack sizes. The two front forks are hydraulically driven to accommodate battery packs of different sizes, weights, and specifications, preventing damage. The design allows for lifting, lowering, and rotating of the battery pack, facilitating removal from forklifts or racks. Limit switches can be installed on the lifting rails to prevent overload or overtravel, ensuring safe operation. Lifting is smooth, preventing the battery pack from swaying during movement.

[0046] The rotating mechanism is equipped with a locking device to ensure the battery pack is secured at a specific angle. The flexible rotation allows for easy adjustment of the battery pack's position, precise control, and improved operational efficiency.

[0047] This utility model integrates automated control functions, enabling coordinated operation of all components. It employs a PLC (Programmable Logic Controller) or a microcontroller as the control core. Equipped with a touchscreen interface, it facilitates parameter setting and status monitoring for operators. It supports both manual and automatic operation modes to meet diverse needs. Automated control improves operational efficiency. The user-friendly interface makes it easy to use.

[0048] In summary, this utility model integrates multiple functions such as clamping, lifting, rotating, and positioning, enabling the disassembly, relocation, and maintenance of the battery pack in one operation, significantly improving work efficiency. It ensures a smooth operating process and reduces unnecessary steps and time wastage.

[0049] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A battery pack maintenance tool characterized by, The bracket assembly (2) and the front fork assembly (3) are provided, The inner side of the bracket assembly (2) is provided with an operation space (23), and the front fork assembly (3) is installed on one side of the operation space (23). The front stand (211) of the bracket assembly (2) is provided with a lifting ring (212) on one side. The front fork assembly (3) comprises a lifting mechanism (32), a rotating mechanism (33) and a front fork mechanism (31), The rotating mechanism (33) is installed on the output end of the lifting mechanism (32), and the front fork of the front fork mechanism (31) is installed on the output end of the rotating mechanism (33), The front side of the front fork is provided with a tensioning piece (8), and the tensioning piece (8) is connected with the lifting ring (212) through a tensioning rope.

2. The maintenance tool of claim 1, wherein, The front fork mechanism (31) comprises a front fork frame (311), and the front fork comprises a first front fork (312) and a second front fork (315) which are arranged at intervals on the front side of the front fork frame (311), The first front fork (312) and the second front fork (315) extend into the operation space (23); The tensioning piece (8) is provided with a tensioning ring (81) on one side, and the tensioning ring (81) is connected with the lifting ring through a tensioning rope.

3. The maintenance tool of claim 2, wherein, The front side of the front fork frame (311) is provided with at least two groups of sliding rails, and the front fork is installed on the sliding rails; one side of the sliding rail is provided with a first limiting piece matched with the front fork.

4. The maintenance tool of claim 2, wherein, The lifting mechanism (32) comprises a first stand (321) and a sliding frame (323), The upper side of the first stand (321) is provided with a supporting wheel (324); The sliding frame (323) is provided with a lifting motor (325), and the output end of the lifting motor (325) is provided with a winding rope connected with the first stand (321) through the supporting wheel (324).

5. The maintenance tool of claim 4, wherein, The lifting mechanism (32) further comprises a second stand (322) and a gas cylinder (327); The second stand (322) is slidably installed on the sliding rail on the inner side of the first stand (321); The gas cylinder is installed on the first stand (321), and the output end of the gas cylinder is connected with the second stand (322).

6. The maintenance tool of claim 4, wherein, The rotating mechanism (33) comprises a rotating motor (335) and a supporting bearing (331), The outer ring of the rotating motor (335) and the supporting bearing (331) is installed on the sliding frame (323); The output end of the rotating motor (335) is connected with the inner ring of the supporting bearing (331) through a gear; The front fork frame (311) is installed on the inner ring of the supporting bearing (331).

7. The maintenance tool of claim 1, wherein, At least one bridge piece (7) is arranged on the front fork, and the bridge piece (7) is detachably installed on one side of the battery pack.

8. The maintenance tool of claim 7, wherein, The bridge piece (7) is sleeved on the front fork; One side of the bridge piece (7) is provided with a connecting flange (71), and the connecting flange (71) is detachably installed on the battery pack.

9. The maintenance tool of any of claims 1-8, wherein, The bracket assembly (2) comprises a main bracket (21) and an upper bracket (22) installed on the upper side of the main bracket (21); The main bracket (21) is provided with an electrical box (4).

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