| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a working method and a working device of a spiral retainer for suspending a long span cable which is free from falling-off and lateral shift in a safe technique needing no hanging work. SOLUTION: This working method of a spiral retainer 8 consists of a procedure for combining one end of the retainer and a tip 7 of a pulling rope 6 with a guide block 10, a procedure for transferring the retainer 8 having an inner diameter D to the other pole side while winding a messenger wire 2 and the pulling rope 6, a procedure for pulling the tip 7 of the rope 6 with an electric self-propelled machine 11, a procedure for repeating connection using a connector provided with a male female terminal between the other end of the retainer and one end of the next retainer to be connected with the other end, a procedure for fixing the retainer 8 to the messenger wire 2 by using a fixing tool, and a procedure for pulling a cable in the retainer 8. As a result, a working method and a working device of the spiral retainer 8 for suspending a long span cable are constituted.</p> |
