BOOM HEAD STRUCTURE OF TRUCK CRANE

摘要

PROBLEM TO BE SOLVED: To provide boom head structure of a truck crane capable of performing normal hanging and cross hanging at 90° selectively.;SOLUTION: In this boom head structure of the truck crane, a cargo hanging wire 1 drawn out from the winch device arranged near the base end of an extendable and prostratable boom 10 is hung down from the tip of the boom 10 and is wired between a plurality of sheaves 13 arranged between both of the side plates of a boom head 11 and a plurality of sheaves 15 of a cargo hanging hook 14, and then, the wire end 16 which is fixed to the end of the cargo hanging wire 1 is locked to the boom head 11, a first wire end attaching support 18 is provided in one side plate of the boom head 11, and a second wire end attaching support 24 is provided in the other side plate of the boom head 11.;COPYRIGHT: (C)2003,JPO