REVOLVING CONSTRUCTION MACHINE

摘要

PROBLEM TO BE SOLVED: To simplify and facilitate part control and process control by using a main part of a revolving frame in common for a canopy specification and a cab specification. SOLUTION: The revolving frame 20 provided with an offset boom type working apparatus in a derricking manner is composed of a revolving main frame 21, and a left guard frame 38 and a right guard frame 41 mounted to a left side frame 31 and a right side frame 33 of the revolving main frame 21 so as to surround them from the outside. The revolving main frame 21 is constituted in skeleton structure with a center frame 22, the left side frame 31 and the right side frame 33. The revolving main frame 21 and the right guard frame 41 of the revolving frame 20 excluding the left guard frame 38 are constituted to be used in common as a revolving superstructure of the canopy specification and a revolving superstructure of the cab specification. COPYRIGHT: (C)2004,JPO