| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a renewal method capable of inexpensively renewing a hydraulic elevator in a rope system in a short period of time. <P>SOLUTION: A guide rail 21 for a counterweight 22 is erected in a side space for erecting a hydraulic jack 11, and necessary materials are mounted to a car 1, and carried by moving the car 1 by the hydraulic jack 11, and a tower 23 is arranged in an upper part in a hoistway 100, and a hoisting machine 25 and warping sheaves 26 and 27 are arranged. The ordinary lifting operation of setting the uppermost story as nonstop by the hydraulic jack 11 of placing passengers in the car 1 is performed except for a work time zone of work. When transferred to a remodeling work process of a car peripheral article of the car 1, the operation of the car 1 is stopped, and remodeling the work of the car peripheral article is performed to successively perform the removal of an existing rope from a plunger sheave 12, the arrangement of the counterweight 22 to the guide rail 21 and the winding on the hoisting machine 25 of a new rope for suspending and supporting the counterweight 22 and the car 1 in a well bucket shape. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
