| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an elevator car stop device capable of easily and reliably securing the safety of work in a working pit. <P>SOLUTION: The elevator car stop device includes: an elevator car 1; a hoist way 3; a hydraulic jack 5 for vertically driving the elevator car 1; a tank 61 for storing oil; a pump 62 for supplying the oil to the hydraulic jack 5; a motor 63 for operating the pump 62; a control unit 21 for controlling the driving of the motor 63; a manual operation switch means for switching the driving of the motor 63 from automatic control to manual control; the working pit 32; and a stop device 7 for stopping the elevator car 1 above the bottom of the working pit 32 by at least predetermined distance. The stop device 7 includes: a stopper means 71 constituted of a move restriction device 8; and a control stop means 73 which stops both the automatic control and the manual control by the control unit 21 when the stopper means is in a move restriction state. <P>COPYRIGHT: (C)2013,JPO&INPIT |
