| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a load lifting/lowering equipment capable of maintaining workability, for example, even using segments of standard size in a tunnel with a small inner space, and furthermore securing working safety. <P>SOLUTION: A load lifting/lowering equipment 10 comprises at least: a rail 1 disposed on the ceiling of a tunnel T and extending in a lengthwise direction thereof; first and second trolleys 2, 3 movable along the rail 1; a connection member 4 connecting the two trolleys 2, 3 at an interval mutually; sheaves 5, 6 suspended by the two trolleys 2, 3 respectively; and a winch 7 suspended by the first trolley 2, a continuous wire 8 extending along the connection member 4 and being wound around the two sheaves 5, 6, one end of the wire 8 being connected with a load (segment S) in the tunnel T via the sheave 6, the other end of the wire being windably engaged with the winch 7 via the sheave 5. <P>COPYRIGHT: (C)2012,JPO&INPIT |
