| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a sleeper device capable of transporting and installing the sleeper device smoothly and easily in a narrow space and a tunnel boring machine equipped with the sleeper device. <P>SOLUTION: A sleeper device comprises: a tiltable sleeper 25 for an inner form, which includes a sleeper body 25a extending in a circumferential direction of a tunnel, tiltable parts 25b each connected to each of both ends of the sleeper body via a hinge part O, and a rail part 26 provided on the tiltable part; and a sleeper support device 35a for the inner form, which includes a horizontal bar 33a attachable to and detachable from the sleeper body, extending in a circumferential direction, and supported so as to be liftable with respect to a tunnel boring machine via a hoist 18 and movable in the longitudinal direction of the tunnel, and connection brackets 34a each pin-connected to each of both ends of the horizontal bar and having a tip which can be pin-connected to the tip of the tiltable part. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
