| 摘要 |
<p>PROBLEM TO BE SOLVED: To acquire a stop switch device for pit maintenance of an elevator which allows an operator to operate the stop switch for maintenance in a safe posture even in a deep pit.SOLUTION: A stop switch device for pit maintenance of an elevator includes: a maintenance stop switch guide rail erected and fixed on a hoistway inner wall near a landing door at the lowest floor, and extending toward a pit floor; a stop switch for pit maintenance capable of moving vertically along the maintenance stop switch guide rail; a maintenance stop switch fixing device for fixing the stop switch for pit maintenance to an upper position of the maintenance stop switch guide rail; a maintenance stop switch elevation implement connected to the stop switch for pit maintenance, and pulling down the stop switch for pit maintenance by being operated from the pit floor; a maintenance mode switching switch for operating when the fixation of the stop switch for pit maintenance is released and for switching to the maintenance mode; and a moving cable for maintenance stop switch for connecting the stop switch for pit maintenance and a relay box fixed on the hoistway wall.</p> |
