The invention provides a hydraulic steering system with an automatic aligning function and a vehicle, and belongs to the technical field of vehicle steering. The hydraulic steering system comprises a hydraulic oil tank, a servo motor, a hydraulic pump, a reversing valve and a steering oil cylinder, the hydraulic steering system further comprises a return oil cylinder and an energy accumulator, and a piston rod of the return oil cylinder is connected with piston rods at the two ends of the steering oil cylinder; the energy accumulator is connected with a cavity of the aligning oil cylinder so as to generate aligning torque during steering. According to the scheme, the return oil cylinder is introduced into the hydraulic steering system, the cavity of the return oil cylinder is connected with the energy accumulator to serve as an energy storage element, return torque is generated during steering, and automatic and accurate return can be achieved after a vehicle finishes steering; the hydraulic steering system is simple and compact in structure, low in implementation cost and easy to install and maintain; the hydraulic steering system can be used for the unmanned vehicle, the steering control difficulty is reduced, and the working reliability of the vehicle is improved.

    本发明提供一种带自动回正功能的液压转向系统及车辆,属于车辆转向技术领域;所述液压转向系统包括液压油箱、伺服电机、液压泵、换向阀和转向油缸,所述液压转向系统还包括回正油缸和蓄能器,所述回正油缸的活塞杆与所述转向油缸两端的活塞杆相连接;所述蓄能器与所述回正油缸的腔室连接,以在转向时产生回正力矩。上述方案中,所述液压转向系统引入了回正油缸,所述回正油缸的腔室通过连接蓄能器作为储能元件,在转向时产生回正力矩,车辆完成转向后,可实现自动精确回正;所述液压转向系统的结构简单紧凑,实现成本低,易于安装和维护;所述液压转向系统可用于无人驾驶车辆,降低了转向控制难度,提高了车辆工作可靠性。


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    Title :

    Hydraulic steering system with automatic aligning function and vehicle


    Additional title:

    一种带自动回正功能的液压转向系统及车辆


    Contributors:
    YANG YAODONG (author) / YANG JUE (author) / WANG YINGXIN (author) / ZHANG WENMING (author)

    Publication date :

    2023-08-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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