| 摘要 |
<p>PURPOSE: To provide a temporary elevator unit that prevents a hoisting lift in time of lifting motion from being swung by a wind and suchlike. CONSTITUTION: A base 17 constituting this temporary elevator unit 16 is unmovably locked by a hydraulic jack 23 of a crane truck 20. A base end of a guide wire 18 is connected to a top face of this base 17, and a tip part of this guide wire 18 is connected to the underside of a hanging frame 29 after piercing through a hoisting lift 19. Likewise, both first and second crane wires 25 and 27 extending out of an arm 24 of the crane truck 20 are connected each to the hanging frame 29 and the hoisting lift 19. In this case, when the first crane wire 25 is wound up, the guide wire 18 is pulled upward and thereby tensed tight. In succession, when the second crane wire 27 is wound up or delivered, the hoisting lift 19 goes up and down along the tensed guide wire 18 without swinging.</p> |
