The invention provides a steering system and a control method thereof and a crane, the steering system comprises a return pipe, an active steering subsystem, an auxiliary steering subsystem, a power steering gear and a storage tank, the power steering gear comprises an outlet and an inlet, the active steering subsystem comprises a first reversing valve and a main steering pump, and the outlet and the inlet are respectively communicated with the first reversing valve; one end of the return pipe is communicated with the storage tank, the other end of the return pipe is communicated with a communicating pipe between the first reversing valve and the outlet, and two ends of the main steering pump are respectively communicated with the storage tank and the first reversing valve; the auxiliary steering subsystem communicates with the storage tank and the first reversing valve. In the first working state, the main steering pump communicates with the inlet, and the auxiliary steering subsystem communicates with the return pipe, so that hydraulic oil in the storage tank is conveyed to the conveying power steering gear through the main steering pump; and in the second working state, the auxiliary steering subsystem communicates with the inlet, so that the hydraulic oil in the storage tank is conveyed to the power steering gear through the auxiliary steering subsystem.

    本发明提供一种转向系统及其控制方法和起重机,转向系统包括回流管、主动转向子系统、辅助转向子系统、动力转向器和储存罐,动力转向器包括出口和进口,主动转向子系统包括第一换向阀和主转向泵,出口和进口分别与第一换向阀连通,回流管的一端与储存罐连通,回流管的另一端与第一换向阀和出口之间的连通管连通,主转向泵的两端分别与储存罐和第一换向阀连通;辅助转向子系统分别与储存罐和第一换向阀连通;在第一工作状态下,主转向泵与进口的连通,辅助转向子系统与回流管连通,以使储存罐中的液压油通过主转向泵输送至输送动力转向器;在第二工作状态下,辅助转向子系统与进口连通,以使储存罐中的液压油通过辅助转向子系统输送动力转向器。


    Access

    Download


    Export, share and cite



    Title :

    Steering system, control method thereof and crane


    Additional title:

    转向系统及其控制方法和起重机


    Contributors:
    HE QUANWEN (author)

    Publication date :

    2023-12-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



    Steering axle, steering control system and crane

    CAO XICUN / ZHAO JIANGUO / WANG WENQING et al. | European Patent Office | 2023

    Free access

    Steering control system and crane

    YU YANGHUA / JIANG SHANG / HU ZHIQI | European Patent Office | 2020

    Free access

    Steering control system and method of crane

    LIANG DAWEI | European Patent Office | 2024

    Free access

    Electric power steering system and crane thereof

    LI YAJUN / ZHANG FUYI / WU HENGCHANG et al. | European Patent Office | 2025

    Free access

    Crane, axle steering system and control method of axle steering system

    MA YUNWANG / LIU GUICHANG / MA FEI et al. | European Patent Office | 2024

    Free access