The invention provides a rear auxiliary frame, a rear axle assembly and a vehicle, and belongs to the technical field of vehicles. The rear auxiliary frame comprises a front cross beam, a rear cross beam, a left longitudinal beam, a right longitudinal beam and a middle cross beam, the front cross beam and the rear cross beam are oppositely arranged, the two ends of the left longitudinal beam are connected with the front cross beam and the rear cross beam respectively, the two ends of the right longitudinal beam are connected with the front cross beam and the rear cross beam respectively, the left longitudinal beam and the right longitudinal beam are oppositely arranged, and the two ends of the middle cross beam are connected with the left longitudinal beam and the right longitudinal beam respectively. And a third mounting structure and a fourth mounting structure are arranged on the front cross beam. When the rear auxiliary frame is applied to a rear wheel steering vehicle, a rear wheel steering machine is mounted on the left longitudinal beam and the right longitudinal beam through the third mounting structure and the fourth mounting structure. When the rear auxiliary frame is applied to a vehicle without rear wheel steering, the supporting cross beam is connected with the left longitudinal beam and the right longitudinal beam through the third mounting structure and the fourth mounting structure. Therefore, the rear auxiliary frame can be applied to a vehicle with rear wheel steering and can also be applied to a vehicle without rear wheel steering.

    本公开提供了一种后副车架、后轴总成和车辆,属于车辆技术领域。后副车架包括前横梁、后横梁、左纵梁、右纵梁和中间横梁,前横梁和后横梁相对布置,左纵梁的两端分别与前横梁、后横梁连接,右纵梁的两端分别与前横梁、后横梁连接,且左纵梁和右纵梁相对布置,中间横梁的两端分别与左纵梁和右纵梁连接。前横梁上设置有第三安装结构和第四安装结构。该后副车架应用于后轮转向的车辆时,后轮转向机通过第三安装结构和第四安装结构安装在左纵梁、右纵梁上。该后副车架应用于非后轮转向的车辆时,支撑横梁通过第三安装结构、第四安装结构与左纵梁、右纵梁连接。使得该后副车架既可应用于后轮转向的车辆中,又可应用于非后轮转向的车辆中。


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    Title :

    Rear auxiliary frame, rear axle assembly and vehicle


    Additional title:

    后副车架、后轴总成和车辆


    Contributors:
    ZHAO QUN (author) / XIAO JUNHUA (author) / SUN YIJIE (author) / ZHOU HAOZE (author) / YANG ZHAN (author) / TANG CHAO (author) / LU FEI (author)

    Publication date :

    2023-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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