Anti-falling elevator car

Abstract

The invention relates to an anti-falling elevator car which comprises a car body, an anti-falling device, a base and concentric-square-shaped racks. The anti-falling devices are symmetrically mountedat the upper and lower ends of the car body, the anti-falling devices are symmetrically arranged front and back, a base is arranged below the car body, the concentric-square-shaped racks are mounted at the left and right ends of the base, and the car body is located in the middle of the concentric-square-shaped racks. By changing design philosophy of size of a friction force between the car and awall for effective anti-falling arrangement, the anti-falling device can change the friction force between the elevator car and the wall in a quick falling process of the elevator car as a result of faults to improve the friction between the elevator car and the wall and decrease the falling speed of the elevator car to further achieve a good car anti-falling effect.

Description

technical field [0001] The invention relates to the field of elevator cars, in particular to an anti-fall elevator car. Background technique [0002] The car is a box-shaped space used by the elevator to carry and transport people and materials. The car is generally composed of car bottom, car wall, car roof, car door and other main components. Its internal net height should be at least 2m. The car frame is the load-bearing structure of the car. Passed to the traction wire rope, the car frame is generally composed of upper beams, columns, bottom beams and pull bars (to adjust the level of the car bottom and prevent the floor from tilting), etc. The car body is a closed wall that forms the car space. There must be no other openings outside the necessary entrances and exits and ventilation holes. The car body is made of materials that are non-flammable and do not produce harmful gases and smoke. For the safety and comfort of the passengers, the clear height of the car entranc...

AI Technical Summary

Problems solved by technology

[0003] 1. In the daily elevator car, when the elevator traction rope breaks or the drive motor fails, due to the small friction between the car and the wall, the car is prone to slide down rapidly, causing psychological panic or even the circumstances of the injury;

[0004] 2. When the car rapidly slides down to the bottom, due to the reaction of the force, it is easy to have a large impact on the car itself and the passengers in the car, which will affect the service life of the car and the personal safety of passengers

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