When an engine (70) is started in a state where a support member (21) of a multi-coupler (20) is attached to a mating support member (22), the pressure of hydraulic oil increases in a detection target pipeline part (32B). A pressure detection unit (80) detects the pressure of the hydraulic oil in the detection target pipeline part (32B). A connection state determining unit (91) determines whether a tank-side pipeline part (31A) and a motor-side pipeline part (31B) are connected to each other, based on the pressure. When the connection state determining unit (91) determines that the tank-side pipeline part (31A) and the motor-side pipeline part (31B) are not connected to each other in a state where the engine (70) is started, a pressure increase suppression unit carries out an operation for suppressing an increase in the pressure of a hydraulic motor (12).


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    Titel :

    WINCH DRIVE DEVICE IN CRANE


    Weitere Titelangaben:

    WINDENANTRIEBSVORRICHTUNG IN EINEM KRAN
    DISPOSITIF D'ENTRAÎNEMENT DE TREUIL DANS UNE GRUE


    Beteiligte:
    OKUBO MASAKI (Autor:in) / SAKURAI HITOSHI (Autor:in) / KAMON YOSHIKI (Autor:in) / TSUNOO TAISUKE (Autor:in)

    Erscheinungsdatum :

    06.03.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS / B66C Krane , CRANES / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / F16L PIPES , Rohre



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