| 摘要 |
<p>PURPOSE:To move and position a gas insulated switchgear by means of a single jig. CONSTITUTION:A moving block 3 previously fixed to a gas insulated switchgear is lifted by means of a roller 1 for longitudinal movement, a feed screw 5 for lateral movement, and a hydraulic jack 2 for vertical movement. A rail 4 is then moved and the gas insulated svitchgear is positioned.</p> |
