A crane (1) includes a crane main body (4), a boom (16), a jib (18), a boom driving unit (16S), a jib driving unit (18S), a manipulation unit (85), a drive control unit (702), a suspension device (57), a determination unit (705), and an operation regulating unit (703). The determination unit (705) determines whether a jib boom angle condition is established or not. The operation regulating unit (703) allows the crane (1) to change a posture between a fall posture and a work posture according to a determination result of the determination unit (705).
CRANE AND CRANE POSTURE CHANGING METHOD
KRAN UND KRANSTELLUNGSÄNDERUNGSVERFAHREN
GRUE ET PROCÉDÉ DE CHANGEMENT DE POSTURE DE GRUE
2021-03-24
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |