| 摘要 |
<p>A compensation device for an elevator, comprises a guide device (1), a fixing device (2), a travel switch holder (3), a limiting cam holder (4), a counterweight and a safety device (6), the safety device (6) is constituted of safety tongs (601), lifting rods (602), a linkage shaft (603), pull rods (604) and positioning plates (605). The safety tongs (601) fixed to two ends of the guide device (1). By the lifting rods, lower ends of the safety tongs (601) are connected with first radially extending arms of the linkage shaft (603) which horizontally hinged and supported on the guide device (1), and second radially extending arms of the linkage shaft (603) are connected with the upper ends of the pull rods (604). And the lower ends of the pull rods (604) passed through the througholes of the positioning plates (605) fixed to the fixing device (2), and provided with a limiting member. During operation, the positioning plates are fixed to the fixing device (2), after the pull rods (604) move up certain distance, the limiting member is blocked by the positioning plates (605) and can not move up continuously, so that the linkage shaft (603) swings around horizontal axes; and then the lifting rods (602) pull the safety tongs (601), and break the guide device (1), thus avoiding accident and ensuring security of device.</p> |
