The invention discloses an auxiliary frame of a vehicle, a vehicle body assembly of the vehicle and the vehicle, and the auxiliary frame comprises a first cross beam and a second cross beam which are arranged at intervals in the first direction of the auxiliary frame; the auxiliary frame longitudinal beams are arranged in the second direction of the auxiliary frame, the auxiliary frame longitudinal beams are connected between the first cross beam and the second cross beam, and the first direction is perpendicular to the second direction; in the first direction, the third cross beam is located between the first cross beam and the second cross beam, and the third cross beam is connected with the multiple auxiliary frame longitudinal beams; the suspension mounting frame is arranged on the outer side of the third cross beam in a sleeving mode and fixedly arranged on the third cross beam. Therefore, the suspension mounting frame is arranged on the outer side of the third cross beam in a sleeving mode and fixedly arranged on the third cross beam, the fatigue resistance of the suspension mounting frame can be effectively improved, after a power assembly of a vehicle is mounted on the suspension mounting frame in a suspension mode, vibration and noise transmitted to a passenger compartment by the power assembly can be effectively restrained, and therefore the riding comfort of passengers is improved; and the safety performance of the vehicle is improved.

    本发明公开了一种车辆的副车架、车辆的车身组件以及车辆,副车架包括:第一横梁和第二横梁,沿副车架的第一方向间隔排布;多个副车架纵梁,沿副车架的第二方向排布,多个副车架纵梁均连接在第一横梁和第二横梁之间,第一方向和第二方向垂直;沿第一方向,第三横梁位于第一横梁和第二横梁之间,且第三横梁与多个副车架纵梁均连接;悬置安装架套设于所述第三横梁外侧且固设于所述第三横梁。由此,通过将悬置安装架套设于第三横梁外侧且固设于第三横梁,能够有效提升悬置安装架的抗疲劳强度,车辆的动力总成通过悬置安装于悬置安装架后,可以有效抑制动力总成向乘员舱传递振动和噪音,从而提升乘客的乘坐舒适度,提升车辆的安全性能。


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    Title :

    Auxiliary frame of vehicle, vehicle body assembly of vehicle and vehicle


    Additional title:

    车辆的副车架、车辆的车身组件以及车辆


    Contributors:
    SI HAORAN (author) / ZHANG ZHIYUAN (author) / GENG QIANG (author) / WANG YUAN (author) / SI KAIZHONG (author)

    Publication date :

    2024-02-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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