The invention discloses a safety elevator cushioning device with more than two magnetic suspension cushioning structures. The safety elevator cushioning device is characterized in that permanent magnets are mounted between upper and lower slide rails and a cage of an elevator, and an electromagnet is mounted on the uppermost portion of a joint of each permanent magnet and a square shaft and can drive the permanent magnet via the square shaft when the elevator is started, so that the permanent magnets can rotate , and the side surfaces of the permanent magnets face the slide rails; the electromagnets are closed when the elevator are stopped, and the front surfaces of the permanent magnets face spindles.
Safety elevator cushioning device with more than two magnetic suspension cushioning structures
29.04.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66D Haspeln , CAPSTANS |
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