The invention discloses a telescopic crane cable storage valve group which comprises a valve block, a shuttle valve, a pressure reducing valve, a pilot directional valve, a flow control valve and a balance valve. The valve block is provided with a port A, a port B, a port C, a port D, a port X and a port L; two oil inlets of the shuttle valve are connected with the port A and the port B respectively, and an oil inlet of the pressure reducing valve is connected to an oil outlet of the shuttle valve; the pilot directional valve is a two-position three-way valve and is provided with a P port, a T port, an A1 port and a first pilot port, an oil outlet of the pressure reducing valve is connected to the P port and the first pilot port, and the T port is connected to the L port; the flow control valve comprises a one-way valve and a throttling valve, an oil inlet of the one-way valve and an oil outlet of the throttling valve are connected to the T port, and an oil outlet of the one-way valve and an oil inlet of the throttling valve are connected to the X port; and the balance valve is provided with a first oil port, a second oil port and a second pilot port, the port B is connected to the first oil port, the second oil port is connected to the port D, and the second pilot port is connected to a pipeline between the shuttle valve and the port C. The valve group can control the telescopic hoisting storage cable to be stably laid.

    本发明公开了一种伸缩吊储缆阀组,其包括:阀块、梭阀、减压阀、先导式方向阀、流量控制阀和平衡阀。阀块具有A口、B口、C口、D口、X口和L口。梭阀的两个进油口分别连接A口与B口,减压阀的进油口连接于梭阀的出油口。先导式方向阀为两位三通阀,具有P口、T口、A1口和第一先导口,减压阀的出油口连接于P口与第一先导口,T口连接于L口。流量控制阀包括单向阀与节流阀,单向阀的进油口与节流阀的出油口连接于T口,单向阀的出油口与节流阀的进油口连接于X口。平衡阀具有第一油口、第二油口与第二先导口,B口连接于第一油口,第二油口连接于D口,第二先导口连接于梭阀与C口之间的管路上。本阀组能够控制伸缩吊储缆平稳放缆。


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    Title :

    Telescopic crane cable storage valve group


    Additional title:

    伸缩吊储缆阀组


    Contributors:
    ZHANG XIN (author) / MENG QINGNAN (author) / HOU SHAOSHUAI (author)

    Publication date :

    2022-01-11


    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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