| 摘要 |
<p>Anti-falling elevator Abstract The invention relates to an elevator, especially to an anti-falling elevator. The anti-falling elevator mainly includes a trestle fixed connected with the cabin and a guide rail arranged along the elevator shaft; the triggering unit is mounted on the trestle, the trolley wheel 5 is freely rotatably mounted on the trestle by the supporting shaft, the guide rail is arranged between the first gear and the trolley wheel, the first gear engages with the gear surface of the guide rail, the trolley wheel rolls on the smooth surface of the guide rail, the connecting rod make the second gear revolve around the axis of the 10 first gear and engage with the first gear, the connecting rod is provided with a triggering bore pluggably matting with the triggering end, when the triggering end withdraw from the triggering bore, the elastic force makes the second gear engage with the guide rail, at this momnent, the mechanism has zero freedom degree, the elevator can 15 not move upward or downward so as to avoid the elevator from falling when it is in fault state. % - 8 79l F-g4 Fig.11</p> |
