Provided is an auxiliary sheave device (50) with a simple and lightweight structure and a crane (1) including the same. The auxiliary sheave device (50), provided in the crane (1) including a derrick member guy line (45), includes an auxiliary sheave frame (51) and an auxiliary sheave guy line (55) supporting the auxiliary sheave (61). The derrick member guy line (45) is connected to the distal end portion of the derrick member (20). The auxiliary sheave frame (51) is attached to the distal end portion of the derrick member (20) so as to be capable of making rotational movement and taking a projecting posture of projecting in the distal end direction from the distal end portion of the derrick member (20). The auxiliary sheave guy line (55) is connected to the distal end portion of the auxiliary sheave frame (51) and a guy line connection portion (23) of the derrick member (20) so as to keep the auxiliary sheave frame (51) in the projecting posture.
AUXILIARY SHEAVE DEVICE AND CRANE INCLUDING THE SAME
HILFSSCHEIBENVORRICHTUNG UND KRAN DAMIT
DISPOSITIF DE POULIE AUXILIAIRE ET GRUE LE COMPRENANT
2021-03-03
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |