고소 작업 분야에 관해, 제어 밸브, 기복 실린더, 이의 작동 방법, 및 고소 작업대가 제공된다. 기복 실린더의 제어 밸브는, 제1 포트 G와 제2 포트 F 사이의 오일 회로 상에 제공되는 제1 밸런스 밸브, 및 제3 포트 H와 제4 포트 E 사이의 오일 회로 상에 제공되는 제2 밸런스 밸브를 포함하고; 제1 밸런스 밸브와 직렬인 스위치 밸브는 제1 포트 G와 제2 포트 F 사이의 오일 회로 상에 추가로 제공된다.

    Provided are a control valve, a derricking cylinder and a working method thereof, and an aerial work platform, relating to the field of aerial work. The control valve of the derricking cylinder includes a first balance valve provided on the oil circuit between the first port G and the second port F, and a second balance valve provided on the oil circuit between the third port H and the fourth port E; and a switch valve in series with the first balance valve is further provided on the oil circuit between the first port G and the second port F.


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    Titel :

    CONTROL VALVE DERRICKING CYLINDER AND WORKING METHOD THEREOF AERIAL WORK PLATFORM


    Weitere Titelangaben:

    제어 밸브, 기복 실린더, 및 이의 작동 방법, 고소 작업대


    Erscheinungsdatum :

    2021-05-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / 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 / F16K VALVES , Ventile



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