Groove reconstruction processing method for follower sheave, driven sheave and elevator using the same

摘要

PROBLEM TO BE SOLVED: To provide a driven sheave groove regeneration processing method capable of regenerating a rope groove within a short time with the rotational speed of a driven sheave not being constrained by the travel speed of an elevator car during the regeneration processing of the rope groove, a driven sheave, and an elevator using the same.SOLUTION: A main rope connected to an elevator car is removed from the rope groove of the driving sheave 4 of a hoist 5 and the rope groove 10d of a deflector sheave 10 (driven sheave), and in the wound state of a driving force transmission rope 12 on the rope groove of the driving sheave 4 and the groove sheave 11 of the deflector sheave 10, the driving sheave 4 is rotated to move the driving force transmission rope 12, thereby regenerating the rope groove 10d by lathe-turning via a process machine 90 while transmitting a rotary driving force to the groove sheave 11 via the driving force transmission rope 12 to rotate the deflector sheave 10.SELECTED DRAWING: Figure 5