Loading and unloading mechanism for new energy automobile battery replacement

By setting up a movable slider and telescopic assembly in the battery disassembly and assembly mechanism, the loading and unloading mechanism can be adjusted in height and horizontally moved, solving the problem of limited use range of battery disassembly and assembly mechanism in the prior art, and achieving a more flexible battery disassembly and assembly operation.

CN119611276AInactive Publication Date: 2025-03-14HEFEI CAREER TECHNICAL COLLEGE
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Patent Information

Application Number
CN202510033050.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-03-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing battery disassembly and assembly mechanism can only move along the rotating lever, resulting in the disassembly and assembly of battery packs with fixed widths, and the scope of use is limited.

Method used

By movably installing the first skateboard on the top of the lifting platform and movably installing the second skateboard on the top of the first skateboard, the loading and unloading mechanism can not only adjust the height, but also drive the battery pack to move horizontally. By providing a horizontally movable first telescopic assembly on both sides of the second slide, and fixing the second telescopic assembly at its output end by a fixing sleeve, the bolt removal sleeve can be adjusted according to the position of the bolt.

Benefits of technology

The battery disassembly and assembly mechanism can be adjusted according to the installation position of the bolts, which solves the problem of inconvenient use of the battery disassembly and assembly mechanism and expands the scope of application of the equipment.

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Abstract

The invention relates to the field of loading and unloading mechanisms, in particular to a loading and unloading mechanism for new energy automobile battery replacement, which comprises a moving trolley, one side of the moving trolley is provided with a controller for controlling the loading and unloading mechanism to operate, and the top of the moving trolley is provided with a lifting platform capable of longitudinally moving to adjust the height. A battery pack is placed on the upper end face of the lifting table, a first sliding plate capable of horizontally moving is slidably arranged at the top of the lifting table, a second sliding plate capable of horizontally sliding is arranged at the top of the first sliding plate, and a plurality of first telescopic assemblies capable of horizontally moving are symmetrically arranged on the two sides of the second sliding plate. A limiting sliding block is arranged at the center of the top end of the first telescopic assembly, a fixing sleeve is fixed to the output end of the first telescopic assembly, and a second telescopic assembly is longitudinally installed in the fixing sleeve. The problem that a battery disassembling and assembling mechanism is inconvenient to use is solved.
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Description

Technical Field

[0001] The present invention relates to the field of loading and unloading mechanisms, and in particular to a loading and unloading mechanism for battery replacement in new energy vehicles. Background Art

[0002] New energy vehicle batteries are one of the core components of new energy vehicles. They are mainly used to store electrical energy and provide electrical energy for new energy vehicles. New energy vehicle batteries are generally installed on the bottom of new energy vehicles through bolts. When new energy vehicle batteries are in use, in order to ensure the safety of the batteries, the batteries need to be inspected regularly. Therefore, the batteries need to be removed from the bottom of the new energy vehicle. Due to the heavy weight of new energy vehicle batteries, loading and unloading work needs to be completed through loading and unloading mechanisms.

[0003] Chinese patent CN118323053A discloses a battery disassembly and assembly mechanism and method for an electric vehicle, which relates to the technical field of electric vehicle batteries, including: a lifting mechanism is installed on the top of the cart, and the lifting mechanism includes a rotating rod and a reset plug column; a plurality of loading and unloading mechanisms are equidistantly installed on the rotating rod, and the loading and unloading mechanism includes a base, a loading and unloading cylinder and a slot, and a detection mechanism is provided in the slot, and the detection mechanism includes a detection column and a locking slider, and a plurality of the detection columns are evenly slidably connected in the slot, and a plurality of the locking sliders corresponding to the detection columns are evenly slidably connected to the inside of the loading and unloading cylinder, and a screening mechanism is also slidably connected to the inside of the loading and unloading cylinder, and the screening mechanism includes a screening ring, and the screening ring is slidably connected to the inside of the loading and unloading cylinder. Although the battery disassembly and assembly mechanism of the above-mentioned electric vehicle can quickly remove the bolts of the battery pack and can perform wear detection on the bolt head during removal, it still has the following shortcomings.

[0004] Although the existing battery disassembly and assembly mechanism can disassemble the battery bolts and detect whether the bolts are damaged, the loading and unloading mechanism can only move along the rotating rod, resulting in the battery disassembly and assembly mechanism being able to only disassemble and assemble battery packs with a fixed width, thereby limiting the scope of use of the battery disassembly and assembly mechanism. Therefore, the inventor proposes a loading and unloading mechanism for new energy vehicle battery replacement to solve the above problems. Summary of the invention

[0005] In view of the above problems, a loading and unloading mechanism for battery replacement of new energy vehicles is provided. By movably installing a first slide plate on the top of a lifting platform and movably arranging a second slide plate on the top of the first slide plate, the loading and unloading mechanism can not only adjust the height, but also drive the battery pack to move horizontally for adjustment. By arranging a first telescopic component that can move horizontally on both sides of the second slide plate, and fixing the second telescopic component by a fixing sleeve at the output end of the first telescopic component, and installing a mounting frame horizontally on the outside of the output end of the second telescopic component, the first telescopic component and the fixing sleeve cooperate with each other to drive the bolt removal sleeve on the top of the fixed plate to move horizontally, so that the bolt removal sleeve can be adjusted according to the position of the bolt, so that the battery disassembly and assembly mechanism can be adjusted according to the installation position of the bolt, which solves the problem of inconvenient use of the battery disassembly and assembly mechanism.

[0006] In order to solve the problems of the prior art, the present invention provides a loading and unloading mechanism for battery replacement of new energy vehicles, comprising a mobile trolley, a controller for controlling the operation of the loading and unloading mechanism is arranged on one side of the mobile trolley, and a lifting platform capable of longitudinal movement and height adjustment is arranged on the top of the mobile trolley, and a battery pack is placed on the upper end surface of the lifting platform, a first slide plate capable of horizontal movement is slidably arranged on the top of the lifting platform, and a second slide plate capable of horizontal movement is arranged on the top of the first slide plate, and a plurality of first telescopic components capable of horizontal movement are symmetrically arranged on both sides of the second slide plate, a limit slider is arranged at the center of the top of the first telescopic component, and a fixing sleeve is fixed to the output end of the first telescopic component, a second telescopic component is longitudinally installed inside the fixing sleeve, and a mounting frame is horizontally installed outside the output end of the second telescopic component, a fixing plate is fixed to one end of the upper end surface of the mounting frame, a bolt removal sleeve capable of being sleeved on the outside of a bolt is rotatably installed at the center of the top of the fixing plate, a first gear for transmission is fixed to the outside of the center of the bolt removal sleeve, and a magnetic block capable of adsorbing bolts to prevent the bolts from falling is fixed inside the top of the bolt removal sleeve, so that the bolt removal sleeve can be adjusted according to the position of the bolt.

[0007] As a technical solution of the present invention, a plurality of mounting grooves are symmetrically arranged on both sides of the second sliding plate, a third sliding block for limiting is fixed at the top at the inner center of the mounting groove, and a third rotating driving member is fixed at the center of the outer side of the mounting groove, and a threaded rod that can rotate and drive the first telescopic assembly to move is installed at the output end of the third rotating driving member, so that the third rotating driving member can drive the threaded rod to rotate while driving the first telescopic assembly to move horizontally along the third sliding block through the limiting sliding block.

[0008] As a technical solution of the present invention, a first gear is fixed to the outside of the center of the bolt removal sleeve, a fourth rotating driving member is fixed to the side of the upper end surface of the first gear close to the bolt removal sleeve, a second gear that can mesh with the first gear is installed on the outside of the output end of the fourth rotating driving member, and a positioning device for positioning is provided on the other side of the upper end surface of the fixed plate close to the bolt removal sleeve, so that the fourth rotating driving member can drive the first gear to rotate through the second gear while driving the bolt removal sleeve to rotate to remove the bolt.

[0009] As a technical solution of the present invention, a control panel is fixed inside one side of the controller near the top, and a handle is provided at the center of one side of the controller, and a plurality of control rods for controlling the loading and unloading mechanism are provided at the center of the top of the controller, and control buttons are symmetrically provided on both sides of the top of the controller to facilitate the adjustment of the moving positions of the lifting platform, the first slide and the second slide through the control rods.

[0010] As a technical solution of the present invention, a first rotating driving member is fixed at the center of one end of the lifting platform close to the controller, a first screw rod is rotatably arranged at the output end of the first rotating driving member, and first sliding grooves for limiting are symmetrically arranged on both sides of the lifting platform to facilitate the first rotating driving member to drive the first screw rod to rotate.

[0011] As a technical solution of the present invention, a first threaded sleeve that can be installed on the outside of the first screw rod is provided at the center of the bottom of the first slide plate, and first slide rails that can be adapted to the first slide groove are symmetrically provided on both sides of the bottom of the first slide plate, so that the first screw rod can rotate and drive the first slide plate to slide along the first slide groove through the first slide rail.

[0012] As a technical solution of the present invention, a second rotating driving member is arranged at the center of one side of the first slide plate, a second screw rod is rotatably arranged at the output end of the second rotating driving member, and two second sliding rails for limiting are symmetrically arranged at both ends near the center of the bottom of the first slide plate, so that the second rotating driving member can drive the second screw rod to rotate.

[0013] As a technical solution of the present invention, a second threaded sleeve that can be movably installed on the outside of the second screw rod is provided at the bottom of the second slide plate, and second sliding grooves that can be adapted to the second slide rail are symmetrically provided near both ends of the bottom of the second slide plate, so that the second threaded sleeve can drive the second slide plate to move horizontally while sliding along the second slide rail through the second sliding groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The present application achieves this by movably installing a first slide plate on the top of a lifting platform and movably arranging a second slide plate on the top of the first slide plate, so that the loading and unloading mechanism can not only adjust the height, but also drive the battery pack to move horizontally for adjustment. By arranging a first telescopic component that can move horizontally on both sides of the second slide plate, fixing the second telescopic component through a fixing sleeve at the output end of the first telescopic component, and horizontally installing a mounting frame on the outside of the output end of the second telescopic component, the first telescopic component and the fixing sleeve cooperate with each other to drive the bolt removal sleeve on the top of the fixed plate to move horizontally, so that the bolt removal sleeve can be adjusted according to the position of the bolt, thereby realizing that the battery disassembly and assembly mechanism can be adjusted according to the installation position of the bolt, and solving the problem of inconvenient use of the battery disassembly and assembly mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of a loading and unloading mechanism for battery replacement in a new energy vehicle.

[0017] Figure 2 It is a three-dimensional diagram of a mobile trolley in a loading and unloading mechanism for battery replacement in new energy vehicles.

[0018] Figure 3 It is a three-dimensional structure of the first slide plate in the loading and unloading mechanism for battery replacement of new energy vehicles Figure 1 .

[0019] Figure 4 It is a three-dimensional structure of the first slide plate in the loading and unloading mechanism for battery replacement of new energy vehicles Figure 2 .

[0020] Figure 5 It is a three-dimensional structure of the second slide plate in the loading and unloading mechanism for battery replacement of new energy vehicles Figure 1 .

[0021] Figure 6 It is a three-dimensional structure of the second slide plate in the loading and unloading mechanism for battery replacement of new energy vehicles Figure 2 .

[0022] Figure 7 yes Figure 5 Enlarged view of point A in .

[0023] Figure 8 It is a three-dimensional diagram of a mounting frame in a loading and unloading mechanism for battery replacement in a new energy vehicle.

[0024] Fig. 9 It is a stereoscopic diagram of a positioning device in a loading and unloading mechanism for battery replacement in new energy vehicles.

[0025] Fig.10 It is an exploded view of a bolt removal sleeve in a loading and unloading mechanism for battery replacement in a new energy vehicle.

[0026] 1. The numbers in the figure are: 1. mobile trolley; 11. lifting platform; 12. first rotating drive member; 13. first screw rod; 14. first slide slot; 2. controller; 21. control panel; 22. handle; 23. control button; 24. control rod; 3. first slide plate; 30. first threaded sleeve; 31. first slide rail; 32. second rotating drive member; 33. second screw rod; 34. second slide rail; 4. second slide plate; 40. second threaded sleeve; 41. mounting groove; 42. third slider; 43. third rotating drive member; 431. threaded rod; 44. first telescopic assembly; 441. limit slider; 45. fixed sleeve; 46. second telescopic assembly; 47. mounting bracket; 48. second slide slot; 5. battery pack; 6. fixed plate; 61. bolt removal sleeve; 62. magnetic block; 63. first gear; 64. fourth rotating drive member; 65. second gear; 66. positioning device. DETAILED DESCRIPTION

[0027] In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0028] See also Figure 1-Figure 10 As shown, a loading and unloading mechanism for battery replacement of new energy vehicles includes a mobile trolley 1, a controller 2 for controlling the operation of the loading and unloading mechanism is arranged on one side of the mobile trolley 1, and a lifting platform 11 capable of longitudinal movement and height adjustment is arranged on the top of the mobile trolley 1, a battery pack 5 is placed on the upper end surface of the lifting platform 11, a first slide plate 3 capable of horizontal movement is slidably arranged on the top of the lifting platform 11, and a second slide plate 4 capable of horizontal movement is arranged on the top of the first slide plate 3, and a plurality of first telescopic components 44 capable of horizontal movement are symmetrically arranged on both sides of the second slide plate 4, and the center of the top of the first telescopic component 44 is A limit slider 441 is provided, and a fixing sleeve 45 is fixed to the output end of the first telescopic component 44, a second telescopic component 46 is longitudinally installed inside the fixing sleeve 45, a mounting frame 47 is horizontally installed outside the output end of the second telescopic component 46, a fixing plate 6 is fixed to one end of the upper end surface of the mounting frame 47, a bolt removal sleeve 61 which can be sleeved on the outside of the bolt is rotatably installed at the center of the top of the fixing plate 6, a first gear 63 for transmission is fixed to the outside of the center of the bolt removal sleeve 61, and a magnetic block 62 which can absorb the bolt to prevent the bolt from falling is fixed to the inside of the top of the bolt removal sleeve 61.

[0029] When in use, by movably installing the first slide plate 3 on the top of the lifting platform 11, and movably setting the second slide plate 4 on the top of the first slide plate 3, the loading and unloading mechanism can not only adjust the height, but also drive the battery pack 5 to move horizontally for adjustment, by setting a first telescopic component 44 that can move horizontally on both sides of the second slide plate 4, and fixing the second telescopic component 46 at the output end of the first telescopic component 44 through a fixing sleeve 45, and installing a mounting frame 47 horizontally on the outside of the output end of the second telescopic component 46, the first telescopic component 44 and the fixing sleeve 45 cooperate with each other to drive the bolt removal sleeve 61 on the top of the fixed plate 6 to move horizontally, so that the bolt removal sleeve 61 can be adjusted according to the position of the bolt.

[0030] See also Figure 5 , Figure 6 and Figure 7 As shown, a plurality of mounting grooves 41 are symmetrically arranged on both sides of the second slide plate 4, a third sliding block 42 for limiting is fixed at the top of the inner center of the mounting groove 41, and a third rotating driving member 43 is fixed at the center of the outer side of the mounting groove 41, and a threaded rod 431 capable of rotating to drive the first telescopic component 44 to move is installed at the output end of the third rotating driving member 43.

[0031] When in use, the third rotating driving member 43 is fixed to the center of the outer side of the mounting groove 41, and a threaded rod 431 is provided on the third rotating driving member 43, so that the third rotating driving member 43 drives the threaded rod 431 to rotate and drives the first telescopic assembly 44 to move horizontally along the third slider 42 through the limiting slider 441.

[0032] See also Figure 7 and Figure 8 As shown, a first gear 63 is fixed to the outside of the center of the bolt removal sleeve 61, a fourth rotating drive member 64 is fixed to the side of the upper end surface of the first gear 63 close to the bolt removal sleeve 61, a second gear 65 capable of meshing with the first gear 63 is installed on the outside of the output end of the fourth rotating drive member 64, and a positioning device 66 for positioning is provided on the other side of the upper end surface of the fixing plate 6 close to the bolt removal sleeve 61.

[0033] When in use, the first gear 63 is fixed at the center of the outside of the bolt removal sleeve 61, and then the fourth rotating drive member 64 is fixed to one end of the upper end surface of the fixed plate 6, and the fourth rotating drive member 64 is provided with a second gear 65 that can mesh with the first gear 63, so that the fourth rotating drive member 64 drives the first gear 63 to rotate through the second gear 65, and at the same time drives the bolt removal sleeve 61 to rotate, thereby removing the bolt.

[0034] See also Figure 1 and Figure 2As shown, a control panel 21 is fixed inside one side of the controller 2 near the top, a handle 22 is provided at the center of one side of the controller 2, a plurality of control rods 24 for controlling the loading and unloading mechanism are provided at the center of the top of the controller 2, and control buttons 23 are symmetrically provided on both sides of the top of the controller 2.

[0035] When in use, the control panel 21 is fixed on one side of the controller 2 near the top, so that the control panel 21 controls the operation of the loading and unloading mechanism. A plurality of control rods 24 are arranged at the center of the top of the controller 2, so that the moving positions of the lifting platform 11, the first slide 3 and the second slide 4 can be adjusted by the control rods 24.

[0036] See also Figure 1 and Figure 2 As shown, a first rotating driving member 12 is fixed at the center of one end of the lifting platform 11 close to the controller 2, a first screw rod 13 is rotatably provided at the output end of the first rotating driving member 12, and first sliding grooves 14 for limiting are symmetrically provided on both sides of the lifting platform 11.

[0037] When in use, the first rotary drive member 12 is fixed at the center of one end of the lifting platform 11, and the first screw rod 13 is arranged at the output end of the first rotary drive member 12, so that the first rotary drive member 12 drives the first screw rod 13 to rotate.

[0038] See also Figure 3 and Figure 4 As shown, a first threaded sleeve 30 capable of being mounted on the outside of the first screw rod 13 is provided at the center of the bottom of the first slide plate 3 , and first slide rails 31 capable of being adapted to the first slide groove 14 are symmetrically provided on both sides of the bottom of the first slide plate 3 .

[0039] When in use, a first threaded sleeve 30 is arranged at the bottom of the first slide plate 3 and the first threaded sleeve 30 is installed on the outside of the first screw rod 13 , so that the first screw rod 13 rotates and drives the first slide plate 3 to slide along the first slide groove 14 through the first slide rail 31 .

[0040] See also Figure 3 and Figure 4 As shown, a second rotating drive member 32 is arranged at the center of one side of the first slide plate 3, a second screw rod 33 is rotatably arranged at the output end of the second rotating drive member 32, and two second slide rails 34 for limiting are symmetrically arranged at both ends near the center of the bottom of the first slide plate 3.

[0041] When in use, the second rotary drive member 32 is fixed at the center of one side of the first slide plate 3 and a second screw rod 33 is arranged at the output end of the second rotary drive member 32 , so that the second rotary drive member 32 drives the second screw rod 33 to rotate.

[0042] See also Figure 3 and Figure 4 As shown, the bottom of the second slide plate 4 is provided with a second threaded sleeve 40 that can be movably installed outside the second screw rod 33, and the bottom of the second slide plate 4 is symmetrically provided with second slide grooves 48 that can adapt to the second slide rail 34 near both ends.

[0043] When in use, a second threaded sleeve 40 is set at the center of the bottom of the second slide plate 4, and the second threaded sleeve 40 is movably installed on the outside of the second screw rod 33, so that the second screw rod 33 rotates while driving the second threaded sleeve 40, and then the second threaded sleeve 40 drives the second slide plate 4 to move horizontally while sliding along the second slide rail 34 through the second slide groove 48.

[0044] The above embodiments only express one or several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims

1. A loading and unloading mechanism for battery replacement of new energy vehicles, comprising a mobile vehicle (1), characterized in that: A controller (2) for controlling the operation of the loading and unloading mechanism is provided on one side of the mobile trolley (1), and a lifting platform (11) capable of longitudinal movement and height adjustment is provided on the top of the mobile trolley (1), and a battery pack (5) is placed on the upper end surface of the lifting platform (11). A first slide plate (3) capable of horizontal movement is slidably provided on the top of the lifting platform (11), and a second slide plate (4) capable of horizontal movement is provided on the top of the first slide plate (3), and a plurality of first telescopic components (44) capable of horizontal movement are symmetrically provided on both sides of the second slide plate (4), and a limit slider (441) is provided at the center of the top of the first telescopic component (44), and the first A fixing sleeve (45) is fixed to the output end of the telescopic component (44), a second telescopic component (46) is longitudinally mounted inside the fixing sleeve (45), a mounting frame (47) is horizontally mounted outside the output end of the second telescopic component (46), a fixing plate (6) is fixed to one end of the upper end surface of the mounting frame (47), a bolt disassembly sleeve (61) capable of being sleeved on the outside of a bolt is rotatably mounted at the center of the top end of the fixing plate (6), a first gear (63) for transmission is fixed to the outside of the center of the bolt disassembly sleeve (61), and a magnetic block (62) capable of adsorbing the bolt to prevent the bolt from falling is fixed to the inside of the top end of the bolt disassembly sleeve (61).

2. A loading and unloading mechanism for battery replacement of new energy vehicles according to claim 1, characterized in that: A plurality of mounting grooves (41) for mounting the first telescopic assembly (44) are symmetrically arranged on both sides of the second slide plate (4); a third sliding block (42) for limiting is fixed at the top of the inner center of the mounting groove (41); a third rotating driving member (43) is fixed at the center of the outer side of the mounting groove (41); a threaded rod (431) capable of rotating to drive the first telescopic assembly (44) to move is installed at the output end of the third rotating driving member (43).

3. A loading and unloading mechanism for battery replacement of new energy vehicles according to claim 1, characterized in that: A first gear (63) is fixed to the outside of the center of the bolt removal sleeve (61), a fourth rotating drive member (64) is fixed to the side of the upper end surface of the first gear (63) close to the bolt removal sleeve (61), a second gear (65) capable of meshing with the first gear (63) is installed on the outside of the output end of the fourth rotating drive member (64), and a positioning device (66) for positioning is provided on the other side of the upper end surface of the fixing plate (6) close to the bolt removal sleeve (61).

4. A loading and unloading mechanism for battery replacement of new energy vehicles according to claim 1, characterized in that: A control panel (21) is fixed inside one side of the controller (2) near the top, a handle (22) is arranged at the center of one side of the controller (2), a plurality of control rods (24) for controlling the loading and unloading mechanism are arranged at the center of the top of the controller (2), and control buttons (23) are symmetrically arranged on both sides of the top of the controller (2).

5. A loading and unloading mechanism for battery replacement of new energy vehicles according to claim 1, characterized in that: A first rotating drive member (12) is fixed at the center of one end of the lifting platform (11) close to the controller (2), a first screw rod (13) is rotatably arranged at the output end of the first rotating drive member (12), and first sliding grooves (14) for limiting are symmetrically arranged on both sides of the lifting platform (11).

6. A loading and unloading mechanism for battery replacement of new energy vehicles according to claim 1, characterized in that: A first threaded sleeve (30) capable of being mounted on the outside of the first screw rod (13) is arranged at the center of the bottom of the first slide plate (3), and first slide rails (31) capable of being matched with the first slide groove (14) are symmetrically arranged on both sides of the bottom of the first slide plate (3).

7. A loading and unloading mechanism for battery replacement of new energy vehicles according to claim 1, characterized in that: A second rotating drive member (32) is arranged at the center of one side of the first slide plate (3), a second screw rod (33) is rotatably arranged at the output end of the second rotating drive member (32), and two second slide rails (34) for limiting are symmetrically arranged at both ends of the bottom of the first slide plate (3) near the center.

8. A loading and unloading mechanism for battery replacement of new energy vehicles according to claim 1, characterized in that: The bottom of the second slide plate (4) is provided with a second threaded sleeve (40) which can be movably mounted on the outside of the second screw rod (33), and the bottom of the second slide plate (4) is symmetrically provided with second slide grooves (48) which can be adapted to the second slide rail (34) near both ends.

Citation Information

Patent Citations

  • Battery disassembling and assembling mechanism and method for electric automobile

    CN118323053A