Luffing crane mounting method for construction site, involves using auxiliary hoist with cable to realize cabling operation of lifting block with lifting cable, mounting operation of temporary sling and mounting operation of tie rod line

摘要

The method involves using an auxiliary hoist (22) carried by a rotating part (4) of the crane and equipped of an auxiliary cable (23) of diameter lower than lifting and hoist cables to realize a cabling operation of a lifting block with the lifting cable. The hoist is used to realize the mounting operation of a temporary sling (24) for temporary retention of a boom (9), and realize mounting operation of a tie rod line. Independent claims are also included for the following: (1) a device for mounting a luffing crane (2) a luffing crane having luffing crane mounting device.