Elevator lift car safety landing device based on air energy dissipation

Abstract

The invention discloses an elevator lift car safety landing device based on air energy dissipation. The elevator lift car safety landing device based on the air energy dissipation comprises an elevator shaft, a motor arranged on the elevator shaft and a dragging cable placed on the motor. One end of the dragging cable is connected with a cable car connecting support and the other end of the dragging cable is connected with a balance weight. The cable car connecting support is provided with a lift car freely landing movement conversion mechanism which is connected with an air energy dissipation mechanism. An elevator lift car is arranged below the cable car connecting support. A lift car dragging cable separation mechanism is arranged between the cable car connecting support and the lift car. The cable car connecting support is provided with a protrusion and a groove matched with the protrusion is formed in the elevator lift car. Due to adoption of the cable-storage drum-type lift car freely landing movement conversion mechanism, lift car freely landing movement is converted to reciprocating air compression movement of a piston in an air cylinder body so that conversion from gravitational potential energy to air internal energy is achieved, consumption is released, and therefore the elevator lift car can land safely, life security of passengers inside the lift car can be guaranteed and operation is simple, convenient and reliable.

Description

technical field [0001] The invention relates to an elevator lifesaving device, in particular to an elevator car safety landing device based on air energy dissipation. Background technique [0002] As the number and height of high-rise buildings increase, their safety issues have become a global hotspot, especially when encountering sudden disasters such as fires and earthquakes, the escape of internal personnel. As a necessary means of transport for modern high-rise buildings, the escape technology of elevators (especially vertical elevators) is the bottleneck and the place of the breakthrough in the safety of high-rise buildings. [0003] The vertical lift elevator usually uses a motor to directly control the drive wheel to drive the elevator car hoisting rope to achieve the purpose of lifting the elevator. When a fire breaks out in a high-rise building, constrained by the safety of the elevator and bound by traditional concepts, they are worried that the elevator motor wi...

AI Technical Summary

Problems solved by technology

[0006] In addition, the safety brakes that are generally installed between the elevator car and the lifting slide rails are only used to prevent the elevator from stalling or falling due to instantaneous overload. Once the brake is activated, the elevator car will be stuck in the elevator shaft , the internal occupants cannot escape, and endure high temperature, thick smoke, dust and other injuries and psychological fear for a long time

The existing elevator operation system does not have an effective and reliable self-prepared escape device. In case of fire, earthquake and other emergencies, the work can only be stopped, and the opportunity for escape will be lost.

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