| 摘要 |
PROBLEM TO BE SOLVED: To downsize the entirety of a hose truck carrying a flexible hose that is to be inserted in the course of pipe arrangement in a slurry shield method and simplify the structure. SOLUTION: The second truck 25 is placed on a guide rail 24 on the first truck 20, more than two roller support plates 31 are arranged side by side on the second truck 25, many first conveyor rollers 37 are arranged semi-circularly between neighboring two roller support plates 31, many second conveyor rollers 39 are arranged between confronting faces of the two roller support plates 31, a flexible hose 9A, 9B are wound around the first conveyer rollers 37 and bent into a U shape. One end of the flexible hose are connected to the rear end of a heading side pipe 11A, 11B extending toward the shield machine performing excavation by a slurry shield method and the other end is connected to the front end of an entrance side pipe 12 extending toward the entrance. |
