PROBLEM TO BE SOLVED: To provide a hydraulic valve for a slope work vehicle capable of supplying oil to a winch with appropriate pressure even if the inclination of a slope is an a steep angle.SOLUTION: A piston 10 formed in a valve body 8 of a hydraulic valve 1 for a slope work vehicle which is provided between a hydraulic actuator for a running gear as well as a hydraulic actuator for a winch of the slope work vehicle and a hydraulic pump for pumping oil for actuating these slides so as to obstruct the flow of the oil in a running gear oil flow path 12 when the pressure of the oil flowing through a winch oil flow path 13 increases.SELECTED DRAWING: Figure 1

    【課題】本発明は法面の傾斜が急角度であっても、ウインチに適切な圧力でオイルを供給することができる法面作業車用油圧バルブを提供する。【解決手段】法面作業車の走行装置用油圧アクチュエータ及びウインチ用油圧アクチュエータと、これらを作動させるためのオイルを圧送する油圧ポンプの間に設けられた法面作業車用油圧バルブ1のバルブ本体8に形成されたピストン10は、ウインチ用オイル流路13に流れるオイルの圧力が高くなると、走行装置用オイル流路12のオイルの流れを阻害するように摺動する。【選択図】図1


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    Title :

    HYDRAULIC VALVE FOR SLOPE WORK VEHICLE


    Additional title:

    法面作業車用油圧バルブ


    Contributors:

    Publication date :

    2017-08-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / F16K VALVES , Ventile



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