| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely prevent a new pipe, inserted into an existing pipe, from slipping off to the side of the insertion of the new pipe, when the new pipe is laid by being inserted into the existing pipe, arranged in an inclined state, in the upward direction of a slope of an existing pipeline. <P>SOLUTION: This pipelayer comprises: a base section 11 which is provided in a position to face an inclination-direction lower end 1a of the existing pipe1 arranged in an inclined state, in accordance with an inclination of the existing pipe 1; a hydraulic jack 13 which is fixed to the position to face the lower end 1a and so as to feed the new pipe 2, placed on the base section 11, into the existing pipe 1 from the side of a spigot 3 thereof; and an anti-slip fixture 16 which can be engaged with a socket 12 of the new pipe 2, which enables the passage of the new pipe in the feeding of the new pipe 2, and which is engaged with the socket 12 of the new pipe 2 after passing, so as to prevent the new pipe 2 after the passing from slipping down to the side of the lower end 1a of the existing pipe 1, when the following new pipe 2 is arranged in a gap 28, after the new pipe 2 passes and the gap 28 is formed between the new pipe 2 and the hydraulic jack 13. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
