The invention discloses a screw elevator safe drive device. The device comprises a screw and a lifting nut, one end of the lifting nut is connected with a linkage safe nut, when the lifting nut and the screw are in normal screw joint state, a gap exists between the safe nut and the screw, the invention further discloses a screw elevator with the safe drive device, through the above manner, the device is used for effectively avoiding falling caused by failures of the lifting nut, and the safe use property of the screw elevator can be improved.
本发明公开了一种丝杆电梯安全驱动装置,包括丝杆和升降螺母,升降螺母一端连接有连动的安全螺母,在升降螺母和丝杆正常螺接状态时所述安全螺母与丝杆之间具有间隙。本发明还公开一种包括上述安全驱动装置的丝杆电梯。通过上述方式,使用本发明能有效避免因升降螺母故障导致坠落的发生,提高丝杆电梯的安全使用性能。
Screw elevator safe drive device and screw elevator with same
一种丝杆电梯安全驱动装置及其丝杆电梯
2020-10-16
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |