The invention relates to a vehicle structure, in particular to an emergency steering system of an electric drive chassis, which comprises a first hydraulic pump, a high-voltage power supply, a low-voltage power supply, a second hydraulic pump, an oil source, a first oil inlet pipeline, a second oil inlet pipeline, a first oil return pipeline, a third oil inlet pipeline, a second oil return pipeline and an oil distribution safety valve, the first hydraulic pump is connected with a high-voltage power source and a low-voltage power source, the low-voltage power source supplies power when power supply of the high-voltage power source fails, the second hydraulic pump is connected to a non-driving wheel, the first oil inlet pipeline is connected between an oil source and a P1 control port of the oil distribution safety valve, the first hydraulic pump is arranged on the first oil inlet pipeline, and the second oil inlet pipeline is connected between the oil source and a P2 port. And the second hydraulic pump is arranged on the second oil inlet pipeline. When the power supply of the first hydraulic pump fails and the vehicle is still in a running state, steering hydraulic power can be provided for the vehicle, particularly, when the power supply of the electric drive chassis fails and the vehicle needs to be towed, the steering hydraulic power can still be provided for the vehicle, and consignment is more convenient.

    本发明涉及一种车辆结构,特别是涉及一种电驱底盘的应急转向系统,包括第一液压泵、高压电源、低压电源、第二液压泵、油源、第一进油管路、第二进油管路、第一回油管路、第三进油管路、第二回油管路、油液分配安全阀,第一液压泵连接高压电源、低压电源,高压电源供电失效时由低压电源供电,第二液压泵连接于非驱动轮上,第一进油管路连接于油源与油液分配安全阀的P1控制口之间,第一液压泵设置于第一进油管路上,第二进油管路连接于油源与P2口之间,第二液压泵设置于第二进油管路上。第一液压泵供电故障且车辆仍处于行驶状态时,能够为车辆提供转向液压助力、特别地,电驱底盘供电失效需拖车时,仍能为车辆提供转向液压助力,托运更便利。


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    Title :

    Emergency steering system of electric drive chassis


    Additional title:

    电驱底盘的应急转向系统


    Contributors:
    LI HONGBIAO (author) / ZHU BINGHUI (author) / WU XUELEI (author) / YANG BO (author) / QIAO JIE (author) / CHEN JIANYOU (author) / TONG JIAHUI (author) / ZHANG RAN (author)

    Publication date :

    2025-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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