| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a construction unit and construction method for iron tower periphery that eliminates the need to greatly adjust the sag of an existing overhead transmission line for an overhead transmission line which is large in allowable current and a two-directional branch type overhead transmission line that it is difficult to apply a conventional temporary construction method to, and can arrange a plurality of metal shielded cables in parallel by an easy method even for a variety of modes of temporary construction. <P>SOLUTION: A construction unit 10 includes a jumper unit 20 having metal shielded cables 21A, 21B electrically connecting overhead transmission lines 2 to each other, and a suspension unit 30 suspending the jumper unit 20 with a pair of yoke holding members 311A, 311B fitted holding connection yokes 42A, 42B therebetween from above and blow. <P>COPYRIGHT: (C)2013,JPO&INPIT |
