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).
HEIGHT ADJUSTMENT ASSISTANCE DEVICE, CRANE COMPRISING SAME, AND HEIGHT ADJUSTMENT METHOD
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
2021-03-24
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
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