| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a segment assembling device of a tunnel excavator, capable of sufficiently adapting to a large-sized excavation cross-section shape, and capable of facilitating the assembly of a segment formed in various excavation cross-section shapes. <P>SOLUTION: A T-shaped cross-section rail is annularly laid on the inner periphery of an excavator body of a manual shield excavator with an arbitrary excavation cross-section; an erector device body can be self-propelled on the rail by means of a pin roller train and a sprocket; and a hydraulic traveling motor for driving the sprocket, an oil tank for storing hydraulic oil of the hydraulic traveling motor, and a power unit for supplying the hydraulic oil in the oil tank to the hydraulic traveling motor are mounted on the opposite side of a segment piece gripping mechanism, with the rail interposed therebetween. <P>COPYRIGHT: (C)2013,JPO&INPIT |
