Middle battery pack split charging device for commercial new energy vehicle
By designing a mid-mounted battery pack disassembly device for commercial new energy vehicles, which adopts a roller bed and sliding frame structure, the problems of high labor intensity and low transfer efficiency for employees have been solved, and efficient simultaneous operation of battery pack disassembly and assembly has been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAOJI HUSN ENG VEHICLE
- Filing Date
- 2025-11-06
- Publication Date
- 2026-05-08
AI Technical Summary
During the assembly process of the mid-mounted battery pack for commercial new energy vehicles, employees experience high labor intensity, difficulty in handling parts, and low transfer efficiency.
Design a commercial new energy vehicle mid-mounted battery pack disassembly device, including a first roller bed, a second roller bed and a third roller bed, realize the assembly line disassembly of battery packs through a sliding frame, and optimize the operation process by combining material boxes and baffles.
It reduced the labor intensity of employees, improved assembly efficiency, enabled simultaneous operation of sub-packaging and assembly lines, and improved overall operational efficiency.
Smart Images

Figure CN224211705U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery production equipment technology, and in particular to a device for disassembling a centrally located battery pack for commercial new energy vehicles. Background Technology
[0002] During the assembly of the mid-mounted battery pack for commercial new energy vehicles, employees frequently bend over and squat down, resulting in high work intensity. Furthermore, the assembly method is a floor-level process, making component handling inconvenient, and the assembled battery packs need to be transported to the assembly station over long distances, leading to low efficiency. Therefore, to improve employee workload and assembly efficiency, a mid-mounted battery pack assembly device for commercial new energy vehicles is proposed. Utility Model Content
[0003] The purpose of this utility model is to solve the problems of high labor intensity for employees in the repackaging process, inconvenience in handling parts, and low transfer efficiency, and to propose a repackaging device for mid-mounted battery packs in commercial new energy vehicles.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] A commercial new energy vehicle mid-mounted battery pack assembly device includes:
[0006] A first roller bed, a second roller bed, and a third roller bed, wherein the second roller bed is located between the first roller bed and the third roller bed and is fixedly connected by multiple connecting plates;
[0007] Multiple sliding frames, which are respectively driven and engaged with the first roller bed, the second roller bed and the third roller bed, are used to support and slide the battery pack;
[0008] Multiple material boxes are fixedly installed at equal intervals on the first roller bed, the second roller bed, and the third roller bed for storing parts;
[0009] The first roller bed, the second roller bed, and the third roller bed each include a support base, a support rod, a support upper seat, a roller groove, and a plurality of rollers. The rollers are rotatably mounted in the roller grooves, and the sliding frame is slidably mounted on the rollers.
[0010] The sub-packaging device slides on the roller bed via the sliding frame, realizing the assembly line sub-packaging of battery packs, reducing the intensity of bending over work for employees, and improving assembly efficiency.
[0011] In one possible design, the first roller bed includes eight first support bases, eight first support rods, eight first support upper seats, four first support crossbars, four second support crossbars, four first support connecting plates, two first roller grooves, and multiple first rollers;
[0012] The first support rod is welded to the top of the first support base, the first support upper seat is welded to the first support rod, the first support crossbar and the second support crossbar are symmetrically welded between the corresponding two first support rods, and the first roller groove is welded to the top of the four first support upper seats on the same side;
[0013] The first roller is rotatably mounted in the first roller groove via the first spacer and is fixed by the first nut, making it easy to disassemble and replace.
[0014] In one possible design, the second roller bed includes eight second support bases, eight second support rods, eight second support upper seats, four third support crossbars, four fourth support crossbars, four second support connecting plates, two second roller grooves, and multiple second rollers;
[0015] The second support rod is welded to the top of the second support base, the second support upper seat is welded to the second support rod, the third support crossbar and the fourth support crossbar are symmetrically welded between the corresponding two second support rods, and the second roller groove is welded to the top of the four second support upper seats on the same side;
[0016] The second roller is rotatably mounted in the second roller groove via the second spacer and is fixed by the second nut, making it easy to disassemble and replace.
[0017] In one possible design, the third roller bed includes eight third support bases, eight third support rods, eight third support upper seats, four fifth support crossbars, four sixth support crossbars, four third support connecting plates, two third roller grooves, and multiple third rollers;
[0018] The third support rod is welded to the top of the third support base, the third support upper seat is welded to the third support rod, the fifth support crossbar and the sixth support crossbar are symmetrically welded between the corresponding two third support rods, and the third roller groove is welded to the top of the four third support upper seats on the same side;
[0019] The third roller is rotatably mounted in the groove of the third roller via the third spacer and is fixed by the third nut, which facilitates disassembly and replacement.
[0020] In one possible design, the connecting plate has multiple mounting holes, and the first roller bed, the second roller bed, or the third roller bed is fixedly connected to the connecting plate by bolts to ensure stable docking between the roller beds.
[0021] In one possible design, the sliding frame includes a slide bar, a slot, a rectangular groove, a large polyurethane block, and a small polyurethane block;
[0022] The slide rod has four nuts embedded in it and welded together, with blunt ends; the slot is a shaped groove with multiple fixing holes at the top and flared ends, maintaining a gap with the roller groove; the rectangular groove is welded to both ends of the slide rod.
[0023] The large polyurethane block is connected to the slide rod and the slot by an internal angle bolt, and the small polyurethane block is connected to the rectangular groove by a connecting screw and a connecting nut. The support surface of the polyurethane block is provided with a stepped countersunk hole to prevent the battery pack from being scratched.
[0024] In one possible design, two reinforcing plates are symmetrically installed inside the material box, and there are shaped hanging strips on both sides. They are supported by nuts and installed between the rollers of the rolling bed, which facilitates the handling of parts.
[0025] In one possible design, multiple baffles are symmetrically fixedly installed on the far side of the first and third roller beds to prevent the sliding frame from sliding out and to prevent the battery pack from tipping over.
[0026] In one possible design, multiple return slots are also included. These return slots are connected to the support rods of the roller bed via angle irons to assist the return of the sliding frame. The return slots include bending slots, aluminum alloy flow bars, and stop plates to improve the continuity of the production line.
[0027] Beneficial effects: This utility model adopts a line-side assembly line operation mode, eliminating the battery pack transfer. At the same time, the 12m long sub-assembly device effectively ensures the working space and efficiency of employees, realizes the synchronous operation of the sub-assembly line and the assembly line, ensures the assembly cycle, reduces the labor intensity of employees, and improves the assembly efficiency. Attached Figure Description
[0028] Figure 1 This is a three-dimensional schematic diagram of the overall structure of a commercial new energy vehicle mid-mounted battery pack disassembly device proposed in this utility model;
[0029] Figure 2 This is a three-dimensional schematic diagram of the connection structure of the first roller bed, the second roller bed, and the third roller bed of a commercial new energy vehicle mid-mounted battery pack assembly device proposed in this utility model.
[0030] Figure 3 This is a three-dimensional schematic diagram of the first roller bed structure of a commercial new energy vehicle mid-mounted battery pack disassembly device proposed in this utility model.
[0031] Figure 4 This is a side view of the first roller bed structure of a commercial new energy vehicle mid-mounted battery pack disassembly device proposed in this utility model.
[0032] Figure 5 This is a three-dimensional schematic diagram of the second roller bed structure of a commercial new energy vehicle mid-mounted battery pack disassembly device proposed in this utility model;
[0033] Figure 6 This is a side view schematic diagram of the second roller bed structure of a commercial new energy vehicle mid-mounted battery pack disassembly device proposed in this utility model;
[0034] Figure 7 This is a three-dimensional schematic diagram of the third roller bed structure of a commercial new energy vehicle mid-mounted battery pack disassembly device proposed in this utility model;
[0035] Figure 8 This is a side view of the third roller bed structure of a commercial new energy vehicle mid-mounted battery pack disassembly device proposed in this utility model;
[0036] Figure 9 This is a schematic diagram of the connecting plate structure of a mid-mounted battery pack assembly device for commercial new energy vehicles proposed in this utility model;
[0037] Figure 10 This is a three-dimensional schematic diagram of the sliding frame structure of a mid-mounted battery pack disassembly device for commercial new energy vehicles proposed in this utility model;
[0038] Figure 11 This is a three-dimensional schematic diagram of the material box structure of a commercial new energy vehicle mid-mounted battery pack dispensing device proposed in this utility model;
[0039] Figure 12 This is a three-dimensional schematic diagram of the baffle structure of a mid-mounted battery pack disassembly device for commercial new energy vehicles proposed in this utility model;
[0040] Figure 13 This is a three-dimensional schematic diagram of the return slot structure of a mid-mounted battery pack disassembly device for commercial new energy vehicles proposed in this utility model;
[0041] Figure 14 This is a three-dimensional schematic diagram of the angle iron structure of a mid-mounted battery pack assembly device for commercial new energy vehicles proposed in this utility model.
[0042] In the diagram: 1. First roller bed; 1a. First support base; 1b. First support rod; 1c. First support upper seat; 1d. First support crossbar; 1e. Second support crossbar; 1f. First support connecting plate; 1g. First roller groove; 1h. First roller; 2. Second roller bed; 2a. Second support base; 2b. Second support rod; 2c. Second support upper seat; 2d. Third support crossbar; 2e. Fourth support crossbar; 2f. Second support connecting plate; 2g. Second roller groove; 2h. Second roller; 3. Third roller bed 3a. Third support base; 3b. Third support rod; 3c. Third support upper seat; 3d. Fifth support crossbar; 3e. Sixth support crossbar; 3f. Third support connecting plate; 3g. Third roller groove; 3h. Roller; 4. Connecting plate; 5. Sliding frame; 5a. Sliding rod; 5b. Slot; 5c. U-shaped rectangular groove; 5d. Large polyurethane block; 5e. Small polyurethane block; 5f. Connecting screw; 5g. Connecting nut; 6. Material box; 6a. Reinforcing plate; 6b. U-shaped hanging strip; 7. Baffle; 8. Return groove; 9. Angle iron. Detailed Implementation
[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0044] In one embodiment: Refer to Figure 1-14 A dispensing device comprises a first roller bed 1, a second roller bed 2, a third roller bed 3, multiple connecting plates 4, multiple sliding frames 5, multiple material boxes 6, multiple baffles 7, and multiple return grooves 8. The second roller bed 2 is located between the first roller bed 1 and the third roller bed 3. Multiple connecting plates 4 are symmetrically arranged on both sides of the second roller bed 2. The connecting plates 4 on one side are fixedly connected to the first roller bed 1, and the connecting plates 4 on the other side are fixedly connected to the third roller bed 3. Specifically, multiple mounting holes are formed on the connecting plates 4, and bolts are used to fix the first roller bed 1, the second roller bed 2, or the third roller bed 3 to the connecting plates 4 through the mounting holes.
[0045] The first roller bed 1 includes eight first support bases 1a, eight first support rods 1b, eight first support upper seats 1c, four first support crossbars 1d, four second support crossbars 1e, four first support connecting plates 1f, two first roller grooves 1g, and multiple first rollers 1h. The first support rods 1b are welded to the top of the first support bases 1a, and the first support upper seats 1c are welded to the first support rods 1b. The first support crossbars 1d and second support crossbars 1e are symmetrical components, each welded to the side of the corresponding two first support rods 1b that are close to each other. The first roller grooves 1g are welded to the tops of the four first support upper seats 1c located on the same side. Four first mounting holes are symmetrically opened on the first support bases 1a, and expansion bolts are passed through the first mounting holes to fix the first support bases 1a to the ground, standardizing the installation of the first support bases 1a. The first support crossbars 1d and second support crossbars 1e each have two sets of first mating holes, and fasteners are passed through the first mating holes to connect them to the first support connecting plates 1f. The first roller groove 1g has a U-shaped structure, and the first roller 1h has an annular dovetail groove. Multiple first rollers 1h are symmetrically mounted and rotate within two first roller grooves 1g. First spacers 1j are provided at both ends of the first roller 1h, creating a gap between the first roller 1h and the inner wall of the first roller groove 1g. Multiple first nuts 1k are provided on the outer side of the first roller groove 1g, with one end of each nut extending into the first roller groove 1g to secure the first roller 1h. When it is necessary to disassemble or replace the first roller 1h, the first nuts 1k are simply unscrewed.
[0046] The second roller bed 2 includes eight second support bases 2a, eight second support rods 2b, eight second support upper seats 2c, four third support crossbars 2d, four fourth support crossbars 2e, four second support connecting plates 2f, two second roller grooves 2g, and multiple second rollers 2h. The second support rods 2b are welded to the top of the second support bases 2a, and the second support upper seats 2c are welded to the second support rods 2b. The third support crossbars 2d and fourth support crossbars 2e are symmetrical components, welded to the adjacent sides of the corresponding two second support rods 2b. The second roller grooves 2g are welded to the tops of the four second support upper seats 2c located on the same side. Four second mounting holes are symmetrically opened on the second support bases 2a, and expansion bolts are passed through these holes to fix the second support bases 2a to the ground, standardizing the installation of the second support bases 2a. The third support crossbars 2d and fourth support crossbars 2e each have two sets of second mating holes, and fasteners are passed through these holes to connect them to the second support connecting plates 2f. The second roller groove 2g has a U-shaped structure, and the second roller 2h has an annular dovetail groove. Multiple second rollers 2h are symmetrically mounted and rotate within two second roller grooves 2g. Second spacers 2j are provided at both ends of the second roller 2h, creating a gap between the second roller 2h and the inner wall of the second roller groove 2g. Multiple second nuts 2k are provided on the outer side of the second roller groove 2g, with one end of each nut extending into the second roller groove 2g to secure the second roller 2h. When it is necessary to disassemble or replace the second roller 2h, the second nuts 2k are simply unscrewed.
[0047] The third roller bed 3 includes eight third support bases 3a, eight third support rods 3b, eight third support upper seats 3c, four fifth support crossbars 3d, four sixth support crossbars 3e, four third support connecting plates 3f, two third roller grooves 3g, and multiple third rollers 3h. The third support rods 3b are welded to the top of the third support bases 3a, and the third support upper seats 3c are welded to the third support rods 3b. The fifth support crossbars 3d and sixth support crossbars 3e are symmetrical components, welded to the adjacent sides of the corresponding two third support rods 3b. The third roller grooves 3g are welded to the tops of the four third support upper seats 3c located on the same side. Four third mounting holes are symmetrically opened on the third support bases 3a, and expansion bolts are passed through these holes to fix the third support bases 3a to the ground, standardizing the installation of the third support bases 3a. Both the fifth support crossbars 3d and the sixth support crossbars 3e have two sets of third mating holes, and fasteners are passed through these holes to connect them to the third support connecting plates 3f. The third roller groove 3g has a U-shaped structure, and the third roller 3h has an annular dovetail groove. Multiple third rollers 3h are symmetrically mounted and rotate within two third roller grooves 3g. Third spacers 3j are provided at both ends of the third roller 3h, creating a gap between the third roller 3h and the inner wall of the third roller groove 3g. Multiple third nuts 3k are provided on the outer side of the third roller groove 3g, with one end extending into the third roller groove 3g to secure the third roller 3h. When it is necessary to disassemble or replace the third roller 3h, the third nuts 3k are simply unscrewed.
[0048] The first roller bed 1, the second roller bed 2, and the first roller bed 3 are double-row rollers. The distance between two symmetrically arranged first rollers 1h, the distance between two symmetrically arranged second rollers 2h, and the distance between two symmetrically arranged third rollers 3h are all 1040mm. The top of the first roller bed 1, the second roller bed 2, and the first roller bed 3 is 700mm above the ground. The distance between two adjacent rows of first rollers 1h, two adjacent rows of second rollers 2h, or two adjacent rows of third rollers 3h is 200mm. This provides a moving track for the sliding of the centrally located battery pack. Setting the height of the first roller bed 1, the second roller bed 2, and the first roller bed 3 at 700mm can improve the comfort of employees during operation.
[0049] This application can be used in the field of battery production equipment technology, or in other fields applicable to this application.
[0050] In another embodiment: Reference Figure 10-11Based on the above embodiments, an improvement is made to a commercial new energy vehicle mid-mounted battery pack assembly device, which is applied to the field of battery production equipment technology. Multiple sliding frames 5 are respectively driven and cooperate with the first roller bed 1, the second roller bed 2, and the third roller bed 3. The sliding frame 5 includes a sliding rod 5a, which is a 50mm × 30mm rectangular tube. Four nuts are embedded and welded inside the sliding rod 5a. Both ends of the sliding rod 5a are provided with blunt ends to facilitate smooth and non-jamming sliding with the roller beds during assembly. The slot 5b is a U-shaped slot. Multiple fixing holes are evenly spaced at the top of the slot 5b. An internal angle screw 5h is installed on the slot 5b. Both ends of the slot 5b are flared outwards. A 5mm gap is provided between the slot 5b and the first roller slot 1g, the second roller slot 2g, and the third roller slot 3g to ensure smooth sliding and prevent derailment. Two limiting holes are provided on each U-shaped rectangular slot 5c, and the two U-shaped rectangular slots 5c are respectively welded to both ends of the sliding rod 5a. Both the large polyurethane block 5d and the small polyurethane block 5e have stepped countersunk holes on their support surfaces to prevent the battery pack from being scratched or abraded. The slide rod 5a, the slot 5b and the large polyurethane block 5d are connected by four internal angle bolts 5h, and the U-shaped rectangular groove 5c and the small polyurethane block 5e are fastened together by connecting screws 5f and connecting nuts 5g.
[0051] Multiple material boxes 6 are fixedly installed at equal intervals on the first roller bed 1, the second roller bed 2, and the third roller bed 3. Two reinforcing plates 6a are symmetrically fixed inside each material box 6, and U-shaped hanging strips 6b are provided on both sides of each material box 6. The multiple material boxes 6 are respectively positioned between the two rows of first rollers 1h, second rollers 2h, and third rollers 3h on the first roller bed 1, the second roller bed 2, and the third roller bed 3, and are supported by corresponding first nuts 1k, second nuts 2k, and third nuts 3k, facilitating the operator's access to standard parts during assembly.
[0052] Multiple baffles 7 are symmetrically fixedly installed on the opposite sides of the first roller bed 1 and the third roller bed 3, which can prevent the sliding frame 5 from sliding out of both ends of the roller bed and prevent the battery pack located on the first roller bed 1 or the third roller bed 3 from tipping over, thus ensuring safety.
[0053] Multiple return grooves 8 are connected to the first roller bed 1, the second roller bed 2, and the third roller bed 3 respectively via corresponding angle irons 9. Each return groove 8 includes two stop plates 8a, a bending groove 8b, an aluminum alloy flow strip 8c, and self-tapping screws 8d. The aluminum alloy flow strip 8c is installed inside the bending groove 8b and is fixedly connected to the bending groove 8b via self-tapping screws 8d. The two stop plates 8a are welded to both sides of the bending groove 8b respectively. The bending groove 8b is fixedly connected to multiple first support rods 1b, multiple second support rods 2b, or multiple third support rods 3b respectively via multiple angle irons 9.
[0054] This battery pack dispensing device has 5 workstations. The working area between the front workstations is 1040mm. A sliding frame separates the front and rear workstations. The rear end can store 4 dispensing battery packs in advance, and a total of 9 battery packs can be dispensed online.
[0055] Place the mid-cell battery pack assembly device on one side of the assembly line and fix it with anchor bolts. Then, use a lifting device and a battery hoist to lift the mid-cell battery pack onto the assembly device. Personnel on the assembly device will then perform the assembly according to the pre-set workstation instructions. After completion, the assembly device will slide to another workstation.
[0056] Once the vehicle arrives at the workstation, the KBK battery hoist is used to lift the assembled battery packs off the assembly line, completing the online vehicle assembly. The assembly unit repeats the workstation's process, completing the assembly line-style assembly.
[0057] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A device for disassembling a mid-mounted battery pack for a commercial new energy vehicle, characterized in that, include: The first roller bed (1), the second roller bed (2) and the third roller bed (3) are located between the first roller bed (1) and the third roller bed (3) and are fixedly connected by multiple connecting plates (4); Multiple sliding frames (5) are respectively driven to cooperate with the first roller bed (1), the second roller bed (2) and the third roller bed (3) for supporting and sliding the battery pack; Multiple material boxes (6) are fixedly installed at equal intervals on the first roller bed (1), the second roller bed (2) and the third roller bed (3) for storing parts; The first roller bed (1), the second roller bed (2) and the third roller bed (3) each include a support base, a support rod, a support upper seat, a roller groove and a plurality of rollers. The rollers are rotatably installed in the roller grooves and the sliding frame (5) is slidably arranged on the rollers. The sub-packaging device slides on the roller bed via the sliding frame (5) to realize the assembly line sub-packaging of battery packs, reduce the bending intensity of employees and improve assembly efficiency.
2. The commercial new energy vehicle mid-mounted battery pack assembly device according to claim 1, characterized in that, The first roller bed (1) includes eight first support bases (1a), eight first support rods (1b), eight first support upper seats (1c), four first support crossbars (1d), four second support crossbars (1e), four first support connecting plates (1f), two first roller grooves (1g), and multiple first rollers (1h). The first support rod (1b) is welded to the top of the first support base (1a), the first support upper seat (1c) is welded to the first support rod (1b), the first support crossbar (1d) and the second support crossbar (1e) are symmetrically welded between the corresponding two first support rods (1b), and the first roller groove (1g) is welded to the top of the four first support upper seats (1c) on the same side; The first roller (1h) is rotatably mounted in the first roller groove (1g) through the first spacer (1j) and fixed by the first nut (1k), which facilitates disassembly and replacement.
3. The commercial new energy vehicle mid-mounted battery pack assembly device according to claim 1, characterized in that, The second roller bed (2) includes eight second support bases (2a), eight second support rods (2b), eight second support upper seats (2c), four third support crossbars (2d), four fourth support crossbars (2e), four second support connecting plates (2f), two second roller grooves (2g), and multiple second rollers (2h); The second support rod (2b) is welded to the top of the second support base (2a), the second support upper seat (2c) is welded to the second support rod (2b), the third support crossbar (2d) and the fourth support crossbar (2e) are symmetrically welded between the corresponding two second support rods (2b), and the second roller groove (2g) is welded to the top of the four second support upper seats (2c) on the same side; The second roller (2h) is rotatably mounted in the second roller groove (2g) via the second spacer (2j) and fixed by the second nut (2k), which facilitates disassembly and replacement.
4. The commercial new energy vehicle mid-mounted battery pack assembly device according to claim 1, characterized in that, The third roller bed (3) includes eight third support bases (3a), eight third support rods (3b), eight third support upper seats (3c), four fifth support crossbars (3d), four sixth support crossbars (3e), four third support connecting plates (3f), two third roller grooves (3g) and multiple third rollers (3h). The third support rod (3b) is welded to the top of the third support base (3a), the third support upper seat (3c) is welded to the third support rod (3b), the fifth support crossbar (3d) and the sixth support crossbar (3e) are symmetrically welded between the corresponding two third support rods (3b), and the third roller groove (3g) is welded to the top of the four third support upper seats (3c) on the same side; The third roller (3h) is rotatably mounted in the third roller groove (3g) via the third spacer (3j) and fixed by the third nut (3k), making it easy to disassemble and replace.
5. The commercial new energy vehicle mid-mounted battery pack disassembly device according to any one of claims 1 to 4, characterized in that, The connecting plate (4) has multiple assembly holes. The first roller bed (1), the second roller bed (2) or the third roller bed (3) are fixedly connected to the connecting plate (4) by bolts to ensure stable docking between the roller beds.
6. The commercial new energy vehicle mid-mounted battery pack disassembly device according to any one of claims 1 to 4, characterized in that, The sliding frame (5) includes a slide bar (5a), a slot (5b), a U-shaped rectangular groove (5c), a large polyurethane block (5d), and a small polyurethane block (5e); The slide bar (5a) has four nuts embedded and welded inside, and the ends are blunt and tapered; the slot (5b) is a U-shaped slot with multiple fixing holes at the top and flared ends, maintaining a gap with the roller slot; the U-shaped rectangular slot (5c) is welded to both ends of the slide bar (5a); The large polyurethane block (5d) is connected to the slide rod (5a) and the slot (5b) by an inner angle bolt (5h), and the small polyurethane block (5e) is connected to the U-shaped rectangular groove (5c) by a connecting screw (5f) and a connecting nut (5g). The polyurethane block support surface is provided with a stepped countersunk hole to prevent the battery pack from being scratched.
7. The commercial new energy vehicle mid-mounted battery pack assembly device according to any one of claims 1 to 4, characterized in that, Two reinforcing plates (6a) are symmetrically installed inside the material box (6), and U-shaped hanging strips (6b) are provided on both sides. They are supported by nuts and installed between the rollers of the roller bed, making it easy to pick up parts.
8. The commercial new energy vehicle mid-mounted battery pack disassembly device according to any one of claims 1 to 4, characterized in that, Multiple baffles (7) are symmetrically fixedly installed on the far side of the first roller bed (1) and the third roller bed (3) to prevent the sliding frame (5) from sliding out and to prevent the battery pack from tipping over.
9. The commercial new energy vehicle mid-mounted battery pack disassembly device according to any one of claims 1 to 4, characterized in that, It also includes multiple return grooves (8), which are connected to the support rod of the roller bed by angle iron (9) to assist the return of the sliding frame. The return grooves (8) include bending grooves (8b), aluminum alloy flow strips (8c) and stop plates (8a) to improve the continuity of the production line.