The embodiment of the invention provides a high-altitude vehicle double-amplitude synchronous hydraulic system which comprises an oil tank, a hydraulic pump, a reversing valve, a first balance valve, a second balance valve, a first oil cylinder and a second oil cylinder. The first oil cylinder and the second oil cylinder are provided with rodless cavities, and the oil tank, the hydraulic pump and the reversing valve are sequentially communicated. The reversing valve is further communicated with the first balance valve and the second balance valve, the first balance valve is communicated with the first oil cylinder, the second balance valve is communicated with the second oil cylinder, and a rodless cavity of the first oil cylinder is communicated with a rodless cavity of the second oil cylinder. According to the hydraulic system, circulation of hydraulic oil in the hydraulic system can be achieved through the mutual communication relation among the oil tank, the hydraulic pump, the reversing valve, the first balance valve, the second balance valve, the first oil cylinder and the second oil cylinder. The rodless cavity of the first oil cylinder is communicated with the rodless cavity of the second oil cylinder, if unbalance loading occurs in the luffing mechanism, the flow of hydraulic oil in the two oil cylinders can be distributed in a balanced mode, and threats to the safety of the aerial vehicle cannot be caused.

    本申请实施例提供一种高空车双变幅同步的液压系统,其中,液压系统包括油箱、液压泵、换向阀、第一平衡阀、第二平衡阀、第一油缸和第二油缸。第一油缸和第二油缸均具有无杆腔,油箱、液压泵和换向阀依次连通。换向阀还分别与第一平衡阀、第二平衡阀连通,第一平衡阀与第一油缸连通,第二平衡阀与第二油缸连通,第一油缸的无杆腔和第二油缸的无杆腔连通。本实施例中,通过油箱、液压泵、换向阀、第一平衡阀、第二平衡阀、第一油缸和第二油缸之间的相互连通关系,可以实现液压系统内的液压油的流通。通过第一油缸的无杆腔和第二油缸的无杆腔连通,若变幅机构出现偏载,两个油缸内的液压油的流量可以均衡分配,而不会对高空车的安全造成威胁。


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    Title :

    Double-variable-amplitude synchronous hydraulic system of high-altitude vehicle


    Additional title:

    一种高空车双变幅同步的液压系统


    Contributors:
    XIN SHAOYUN (author) / ZHANG YONGCHAO (author) / YANG JINGXI (author) / CHEN DAZHI (author)

    Publication date :

    2023-10-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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