A height adjustment assistance device (50) includes an initial state determination part (64) for determining whether a suspended cargo (1) has been lifted from a ground (G) at a start of lifting work, a height detection part (51) for detecting a height of a counterweight (30) from the ground (G), a storage part (61) for storing an initial height (hi), a calculation part (62) for calculating a target value (Δh) for correcting the height of the counterweight (30) from the ground (G) based on the initial height (h1) and a post-work height (h2), a notification part (63) for notifying an operator of information regarding the target value (Δh); and a length adjustment device (72) for adjusting a length of a hanging member by operating in a manner to change the length of the hanging member extending from a tip (15A) of a mast (15) to the counterweight (30).


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    Title :

    HEIGHT ADJUSTMENT ASSISTANCE DEVICE, CRANE COMPRISING SAME, AND HEIGHT ADJUSTMENT METHOD


    Additional title:

    VORRICHTUNG ZUR UNTERSTÜTZUNG DER HÖHENVERSTELLUNG, KRAN DAMIT UND VERFAHREN ZUR HÖHENVERSTELLUNG
    DISPOSITIF D'AIDE AU RÉGLAGE EN HAUTEUR, GRUE COMPRENANT LEDIT DISPOSITIF ET PROCÉDÉ DE RÉGLAGE EN HAUTEUR


    Contributors:

    Publication date :

    2021-03-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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