| 摘要 |
PROBLEM TO BE SOLVED: To eliminate erroneous operation of a brake switch by setting displacement amount of an actuator provided in a brake switch to be large, even when a clearance between a brake shoe and a brake drum is small.SOLUTION: A brake operation state of an elevator is mechanically detected by a brake operation state detection mechanism 2, and the brake operation state detected by the brake operation state detection mechanism 2 is mechanically amplified by a brake operation state amplifying mechanism 3, then the brake operation state mechanically amplified by the brake operation state amplifying mechanism 3 is converted into an electric signal by a brake switch mechanism 4, and the signal is output to a control panel or the like. |
