A sheave device retracting and unfolding step includes winding and unwinding a rope by a winch, with a lifting side sheave device lifted by an assist crane. A tension information detecting step includes detecting rope state information on the rope when the sheave device retracting and unfolding step is performed. A tension information using step includes performing at least one of notification to a worker and drive control of the winch based on the rope state information detected in the tension information detecting step


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    Titel :

    SHEAVE DEVICE RETRACTING AND UNFOLDING METHOD


    Beteiligte:
    ETO TAKAO (Autor:in) / MIYA EIJI (Autor:in) / SHIMIZU TADAHIRO (Autor:in)

    Erscheinungsdatum :

    22.05.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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