| 摘要 |
<p>PURPOSE:To reduce the installing work term by providing hanging points at the positions higher than the center of gravity. CONSTITUTION:Ropes 5e, 5f, and 5g are installed to a main body 1a in which bushings 2a and 2b, an operation box 4, and a mechanism case 3 are provided. In this case, since the center of gravity is at the position higher than the hanging positions and the hanging is unstable, when the main body 1a is hung up only by the ropes 5e, 5f, and 5g, in the condition installing the bushings 2a and 2b, fixtures 6a and 6b for hanging are installed to the main body 1a, and the ropes 5e, 5f, and 5g are installed to the positions higher than the center of gravity. As a result, the hanging positions are provided at the positions higher than the center of gravity, and thereby, the removing and installing work of the bushings 2a and 2b is made unnecessary, and the circuit stopping during such a work is also made unnecessary, so as to reduce the installing work term.</p> |
