The invention relates to a multifunctional auxiliary frame, and relates to the technical field of vehicle body structures, the multifunctional auxiliary frame comprises an auxiliary frame, the auxiliary frame is provided with two front sleeves and two rear sleeves which are used for connection and installation, and the auxiliary frame is provided with a protection device; the protection device comprises an inner protection sleeve which is inserted and installed in the front sleeve from the bottom of the auxiliary frame, an annular groove is formed in the inner protection sleeve, two pressure sensors are symmetrically installed in the annular groove of the inner protection sleeve, and two embedded circular grooves for installing the pressure sensors are formed in the annular groove of the inner protection sleeve. An inner abutting ring is arranged in the annular groove of the inner protective sleeve in a sliding mode through two pushing and abutting springs, and an abutting auxiliary piece is arranged in the portion, located above the inner protective sleeve, of the front sleeve. The auxiliary frame has the advantages that vibration and road noise at the connecting position of the auxiliary frame can be reduced, the sound insulation effect is improved, deformation generated by the connecting portion of the auxiliary frame can be monitored in real time, meanwhile, space utilization of the auxiliary frame can be optimized, and the safety performance during collision can be improved.

    本发明涉及一种多功能副车架,涉及车辆车身结构的技术领域,其包括副车架,副车架上具有用于连接安装的两前部套管和两后部套管,副车架上设有防护装置;防护装置包括从副车架底部插设安装于前部套管中的内护套筒,内护套筒上具有环形凹槽,位于内护套筒环形凹槽中对称安装有两压力传感器,内护套筒环形凹槽内开设有供压力传感器安装的两内嵌圆槽,内护套筒环形凹槽中通过两推抵弹簧滑动设置有内抵环,位于内护套筒上方的前部套管中设有抵触副件;本发明具有可以减少副车架连接处的震动和路噪提升隔音效果,并且能够实时对副车架连接部分产生的形变进行监测,同时可以优化副车架的空间利用以及提高碰撞时的安全性能的效果。


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    Title :

    Multifunctional auxiliary frame


    Additional title:

    一种多功能副车架


    Contributors:
    KONG YANCHENG (author) / GUO DECANG (author) / ZHU MENGMENG (author) / TANG YUBO (author)

    Publication date :

    2025-03-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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