Elevator fall prevention device

Abstract

The invention discloses a falling-into-well prevention device for an elevator. The falling-into-well prevention device comprises at least one stand column, swing rods and guide wheels, wherein the stand columns are arranged on the hoistway wall on one side of an elevator landing door, at least one swing rod is arranged corresponding to each stand column, and one end of each swing rod is hinged to the corresponding stand column; one guide wheel is arranged corresponding to each swing rod, and each guide wheel is arranged on an elevator car door. Along with the opening of the elevator car door, the guide wheels abut against the swing rods so that each swing rod can swing from a first working position to a second working position, wherein a large included angle is formed between the first working position and the corresponding stand column, and a small included angle is formed between the second working position and the corresponding stand column; along with the closing of the elevator car door, the swing rods are released by the guide wheels so that each swing rod can swing from the second working position to the first working position. Through blocking of the swing rods, it can be effectively avoided that because a passenger enters the elevator by mistake when the landing door is already open but an elevator car is not in a specific position, a falling-into-well accident is caused, and the falling-into-well prevention device is low in manufacturing cost and good in safety.

Description

technical field [0001] The invention belongs to the technical field of elevator accessories, and in particular relates to an elevator shaft anti-falling device for personnel safety protection of a vertical elevator. Background technique [0002] During the daily operation of the vertical elevator, when the car does not reach the calling floor, the door of the calling floor is opened due to other reasons. During the maintenance process, the maintenance personnel may mistakenly think that the car has reached the position of the personnel and enter the elevator by mistake, causing the accident of personnel falling into the well. [0003] In the current elevator technology, there is no effective means to solve the problem of how to prevent people from entering the elevator by mistake when the landing door is opened but the car is not in the designated position, resulting in a falling well accident. Contents of the invention [0004] The object of the present invention is to a...

AI Technical Summary

Problems solved by technology

[0002] During the daily operation of the vertical elevator, when the car does not reach the calling floor, the door of the calling floor is opened due to other reasons. During the maintenance process, maintenance personnel may mistakenly think that the car has arrived at the location of the personnel and enter the elevator by mistake, resulting in the accident of personnel falling into the well

[0003] In the current elevator technology, there is no effective way to solve the problem of how to prevent people from entering the elevator by mistake when the landing door is opened but the car is not in the designated position, resulting in a falling well accident.

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