Butt-joint assembly mechanism for large battery pack in cabin

By designing modular assembly components, battery pack placement trolleys, and auxiliary adjustment components, the problems of high labor intensity and low safety in large battery pack assembly operations have been solved, enabling quick, safe assembly and stable placement of battery packs into the compartment.

CN121965030APending Publication Date: 2026-05-01YICHANG TESTING TECHNIQUE RESEARCH INSTITUTE
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Patent Information

Application Number
CN202511901309.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-16
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

In existing technologies, the assembly of large battery packs is labor-intensive, unsafe, and difficult to operate, and it is difficult to achieve quick and safe assembly.

Method used

The system employs modular assembly components, a battery pack placement trolley, auxiliary adjustment components, and in-cabin docking components. Through precise docking of the roller guide rail assembly and the in-cabin docking guide rail assembly, coupled with pin limiters and height adjustment of the auxiliary adjustment components, it ensures uniform support and positioning accuracy of the battery pack, reduces frictional resistance, and avoids damage.

Benefits of technology

It enables quick and safe assembly of large battery packs, reduces operational difficulty, improves assembly convenience and safety, ensures the stable and smooth entry of battery packs into the compartment, and avoids the safety hazards of manual assembly.

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Abstract

The invention relates to a docking assembly mechanism for a large battery pack in a cabin. The docking assembly mechanism comprises a module grouping assembly, a battery pack placing trolley, an auxiliary adjusting assembly and a cabin docking assembly, the module grouping assembly is used for forming a battery pack by a plurality of battery modules; the battery pack placing trolley comprises a main beam frame, and a roller guide rail group, a baffle plate assembly and a walking assembly which are arranged on the main beam frame; the roller guide rail group is used for bearing and transferring battery packs; the baffle assembly is used for limiting the battery pack on the roller guide rail group; the auxiliary adjusting assembly is arranged between the roller guide rail set and the main beam frame, and the roller guide rail set evenly supports the battery pack by adjusting the height of the auxiliary adjusting assembly. The in-cabin butt joint assembly is arranged in the energy cabin; the butt joint guide rail group is used for being in butt joint with the roller guide rail group and guiding the battery pack into the energy cabin; and the butt-joint bolt hole seat is used for being matched with a bolt arranged on the battery pack to limit the battery pack on the butt-joint guide rail group. The device is reliable in structure and convenient to operate, and rapid and safe assembly of the large battery pack is achieved.
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