The invention relates to an elevator protection device. The device comprises a movable plate which is movably arranged at the bottom of an elevator compartment, wherein the edge of the movable plate is provided with a plurality of clamping openings; a plurality of telescopic fixing devices are arranged on the outer side of the elevator compartment corresponding to the clamping openings; fixing rods of the telescopic fixing devices can extend into the clamping openings; a plurality of supporting oil cylinders are uniformly distributed on a bottom plate of the elevator compartment; a top plate of the elevator compartment is provided with an escape exit, an escape cover and a rope ladder; the movable plate is provided with a plurality of upper air bags; a plurality of lower air bags are also uniformly distributed on the bottom plate of the elevator compartment; gas generators are arranged in all the upper air bags and the lower air bags; a speed sensor is arranged on one side of the elevator compartment; the speed sensor, the telescopic fixing devices, the supporting oil cylinders and the gas generators are all connected with a controller; when the elevator lands, the impact force of a human body on the movable plate can be fully buffered by the lower air bags and the supporting oil cylinders, the upper air bags can prevent person from falling on the movable plate to get injured, and the death of people in the elevator during falling is reduced.
Elevator protection device
2015-05-27
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
Protection assembly, elevator door protection device and elevator
European Patent Office | 2023
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