| 摘要 |
Disclosed is an automatic rescue apparatus for an elevator. The apparatus comprises a base (A), a motor (11), an input shaft (111), a linkage gear (122), a worm gear (12), a worm screw (121), a reduction gear set (13), a bobbin line disk (14), and a steel cable (2). The motor (11) is connected to the input shaft (111). The input shaft (111) is provided with a thread segment (112). The input shaft (111) is meshed with the worm gear (12) by means of the thread segment (112). The worm gear (12) is connected to the worm screw (121). An outer end of the worm screw (121) is provided with the linkage gear (122). The linkage gear (122) is meshed with a bull gear (131) of the reduction gear set (13). One end of the bobbin line disk (14) is provided with a gear (141). The gear (141) is meshed with a pinion gear (132) of the reduction gear set (13). The steel cable (2) is wound on the bobbin line disk (14). The apparatus has a scientific and proper design, is convenient and practical, and can enable an elevator car to be stably lowered to the position of an elevator door of a nearest floor when a power failure or fault occurs, thereby allowing a person taking the elevator to successfully escape. |
