The invention relates to a lower vehicle body floor arrangement structure for an extended-range electric commercial vehicle, and belongs to the technical field of automobile floors. The lower vehicle body floor arrangement structure comprises a floor frame which comprises a left longitudinal beam, a right longitudinal beam and a rear cross beam connected between the left longitudinal beam and the right longitudinal beam, and a floor body which comprises a floor central channel which is located between the left longitudinal beam and the right longitudinal beam and protrudes upwards, and the rear end of the floor central channel is fixedly connected with the rear cross beam; the lower vehicle body floor arrangement structure further comprises a power battery which is fixedly arranged below the floor central channel in the horizontal direction, and a transverse through space is preset between the power battery and the rear cross beam; the lower vehicle body floor arrangement structure further comprises a reinforcing assembly which comprises a reinforcing cross beam which is located in the transverse through space and connects the two sides of the floor central channel into a whole, and a plurality of steel plate reinforcing ribs which are arranged at intervals are fixedly arranged in the rear cross beam in the length direction of the rear cross beam. According to the reinforcing assembly, the rigidity of the lower vehicle body floor of the vehicle body is integrally improved, the modality of the lower vehicle body floor of the vehicle body is improved, and the problems of abnormal sound and shaking of the lower vehicle body floor of the vehicle body are avoided.

    本申请涉及一种用于增程式电动商务车的下车体地板布置结构,属于汽车地板技术领域,包括:地板框架,其包括左纵梁、右纵梁,以及连接在左纵梁和右纵梁之间的后横梁;地板本体,其包括位于左纵梁和右纵梁之间且向上隆起的地板中央通道,地板中央通道的后端与后横梁固定连接;动力电池,其呈水平方向固定设置在地板中央通道的下方,动力电池与后横梁之间预设有横向贯通空间;加强组件,其包括位于横向贯通空间内且将地板中央通道的两侧连成一体的加强横梁,后横梁内沿后横梁的长度方向固定设有多个间隔设置的钢板加强筋。本申请的加强组件整体提升了车身下车体地板刚度,提升了车身下车体地板模态,避免了车身下车体地板异响和抖动问题发生。


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    Title :

    Lower vehicle body floor arrangement structure for extended-range electric commercial vehicle


    Additional title:

    一种用于增程式电动商务车的下车体地板布置结构


    Contributors:
    SHI LU (author) / LUO ZHOU (author) / LIU GUOPING (author) / LU XINGWANG (author) / TANG XIAOKANG (author)

    Publication date :

    2021-08-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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