The invention discloses a rear auxiliary frame and a vehicle, and relates to the technical field of rear auxiliary frames, the rear auxiliary frame comprises a frame assembly, the frame assembly comprises a front cross beam, a rear cross beam and two side longitudinal beams, and the front cross beam, the rear cross beam and the two side longitudinal beams are connected with each other; a bent section and an extending section are formed at the position, close to the rear cross beam, of each side longitudinal beam, the bent sections are bent to be connected with the ends of the rear cross beam, the extending sections are connected with the rear cross beam, and a triangular closed structure is formed among the bent sections, the extending sections and the rear cross beam. According to the technical scheme, the problem that the frame type auxiliary frame needs to meet the requirements for high rigidity, high strength and high fatigue durability while low cost is guaranteed is solved, and the overall rigidity of the frame type rear auxiliary frame and the dynamic and static rigidity, strength and durability of mounting points of the swing arm supports can be improved.

    本发明公开了一种后副车架和车辆,涉及后副车架技术领域,其中,后副车架包括框架总成,所述框架总成包括相互连接的前横梁、后横梁、及两个侧纵梁;每个所述侧纵梁在靠近所述后横梁处形成弯折段和延伸段,所述弯折段弯曲至与所述后横梁的端部相连接,所述延伸段与所述后横梁相连接,所述弯折段、所述延伸段及所述后横梁之间形成三角的封闭结构。本发明提供的技术方案解决了框式副车架在保证低成本的同时,还需要满足高刚度、高强度、高疲劳耐久性能的难点,本方案可提高框式后副车架的整体刚度与摆臂支架的安装点动静刚度、强度与耐久性能。


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    Title :

    Rear auxiliary frame and vehicle


    Additional title:

    后副车架和车辆


    Contributors:
    GUO RANRAN (author) / YANG DIANXU (author) / SUN BIN (author) / XIAO HAITAO (author) / CHENG WENZHENG (author) / LOU WEIPENG (author) / GOU LIGANG (author) / YU RONGGUI (author)

    Publication date :

    2024-08-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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