| 摘要 |
<p>PROBLEM TO BE SOLVED: To conduct laying without widely occupying the width of a road, when a drum with long winding width is used by bending a cable in the rotating direction of the drum for feeding. SOLUTION: A cable-feeding device is constituted of a trailer 2, where a drum 1 is mounted, a sieve wheel 4 where a feed-in sieve 3 is mounted, and a boom wheel 6 where a feed sieve 5 is installed. In the drum 1, a rotary shaft is supported along the advancing direction of the trailer 2 while being rotatable, and at the same time rotary driving is made by a driving device 2a. Also, in the drum 1, the length in rotary shaft direction is made long in order to wind a cable 9 as long as possible. Then, the sieve wheel 4 is arranged in front of a manhole 8 on a road. In front of that, the boom wheel 6 and the trailer 2 are successively arranged so that the advancing direction can be set along a line, thus arranging the vehicles along the line of the road and hence eliminating more than necessary occupation of the line.</p> |
