The invention discloses a vehicle and a cargo compartment thereof, an underframe assembly and an assembling method.The underframe assembly comprises an underframe and a bottom plate, the bottom plate is fixedly laid on the underframe, the underframe comprises a first side edge beam, a second side edge beam, a front edge beam, a plurality of cross beams, a plurality of longitudinal beams and a plurality of corner connectors, and the first side edge beam, the second side edge beam, the front edge beam, the cross beams and the longitudinal beams are all U-shaped metal pieces; the front edge beam is transversely connected between the front end of the first side edge beam and the front end of the second side edge beam, the cross beam is transversely fixed between the first side edge beam and the second side edge beam, the longitudinal beam is longitudinally fixed between the first side edge beam and the second side edge beam, and the longitudinal beam is fixedly connected to the lower portion of the cross beam through a corner connector. In the scheme, due to the fact that the first side edge beam, the second side edge beam, the front edge beam, the cross beam and the longitudinal beam are all U-shaped metal pieces, the weight of the underframe can be reduced, the longitudinal beam is arranged on the lower portion of the cross beam and fixed through the corner connectors and the fasteners, and therefore deformation of the underframe is reduced.

    本发明公开了一种车辆及其货厢、底架总成和组装方法,底架总成包括底架和底板,底板固定铺设在底架上,底架包括第一侧边梁、第二侧边梁、前边梁、多个横梁、多个纵梁和多个角码,第一侧边梁、第二侧边梁、前边梁、横梁和纵梁均为U型金属件,第一侧边梁前端和第二侧边梁前端之间横向连接有前边梁,横梁横向固定在第一侧边梁和第二侧边梁之间,纵梁纵向固定在第一侧边梁和第二侧边梁之间,纵梁通过角码固定连接在横梁的下部。本方案中,由于第一侧边梁、第二侧边梁、前边梁、横梁和纵梁均为U型金属件,这样能够降低底架的重量,并通过将纵梁设置在横梁的下部并通过角码和紧固件固定,从而减少底架形变。


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    Title :

    Vehicle and cargo compartment, chassis assembly and assembling method thereof


    Additional title:

    一种车辆及其货厢、底架总成和组装方法


    Contributors:
    DUAN DONGHUI (author) / YU HAIHUA (author) / NY WON-WON (author) / ZHU SI'AI (author) / HU ZEQIAN (author) / FANG TAO (author)

    Publication date :

    2023-10-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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