The invention discloses a high-altitude vehicle hydraulic system and a control method, the hydraulic system comprises a hydraulic power system (1) and a control multi-way valve, the hydraulic power system (1) comprises a fixed flow main pump (13), an inlet of the fixed flow main pump (13) is connected with an oil tank (16), and an oil return filter (17) is arranged on the oil tank (16); the control multi-way valve comprises an oil inlet unit (2), the oil inlet unit (2) is connected with a plurality of actuators (8) through a plurality of reversing units (3), an inlet of the oil inlet unit (2) is connected with an outlet of a fixed flow main pump (13), the oil inlet unit (2) comprises a proportional flow valve (23), and a controller is connected to the proportional flow valve (23). And the fixed flow main pump (13) is connected with the oil inlet joint (2) through a first one-way valve (12). The method has the advantages of low cost and simple control strategy, and the safety and reliability of the host can be improved.

    本发明公开了一种高空车液压系统及控制方法,液压系统包括液压动力系统(1)和控制多路阀,液压动力系统(1)包括固定流量主泵(13),固定流量主泵(13)的进口连接油箱(16),油箱(16)上设有回油过滤器(17);控制多路阀包括进油联(2),进油联(2)通过多个换向联(3)分别连接多个执行器(8),进油联(2)的进口连接固定流量主泵(13)的出口,进油联(2)包括比例流量阀(23),比例流量阀(23)上连接有控制器;所述固定流量主泵(13)通过第一单向阀(12)连接进油联(2)。本发明具有成本低和控制策略简单的优点,并可提高主机安全可靠性。


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    Title :

    High-altitude vehicle hydraulic system and control method


    Additional title:

    高空车液压系统及控制方法


    Contributors:
    HE WEI (author) / LI YI (author) / AGRICULTURAL SUN (author) / YANG CHUANJIA (author) / HU HAIJIAN (author)

    Publication date :

    2023-12-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein





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