ERECTOR DEVICE AND TUNNEL EXCAVATING MACHINE

摘要

PROBLEM TO BE SOLVED: To improve the workability of tunnel construction work by simplifying timbering assembling work, making a device compact and lightweight, and facilitating the handling of drive cables in an erector device. SOLUTION: An erector device is constituted by mounting a plurality of supporting rollers 50 to a rear part of the body 11 of a TBM 10 along the inner wall surfaces of an existing tunnel, mounting a winch 52 with one end of a wire rope taken up to a lower part of the body 11, mounting a grip to a swiveling ring 44, and providing a fastening part 54 capable of fastening the hook of the wire rope unwound from the winch 52 for the swiveling ring 44.