| 摘要 |
<p>A method and an elevator where a new hoisting machine is installed without disassembling and removing an existing hoisting machine, which has to be time-consumingly disassembled and moved out, from a machine room. A modification work method for an elevator having an elevator shaft and a machine room where a hoisting machine is installed. The hoisting machine is moved to a predetermined position using predetermined moving means, or a sheave section of the existing hoisting machine (101) is removed, or a newly installed hoisting machine (113) is installed in an empty space in the machine room, where a thin hoisting machine whose length in the vertical direction of a rotating shaft is greater than the length in the axial direction of the shaft is used as the newly installed hoisting machine (113).</p> |
