Elevator sliding rod car door lock device and control method thereof

Abstract

The invention provides an elevator sliding rod car door lock device and a control method thereof. The elevator sliding rod car door lock device comprises a door knife arm assembly, a sliding assembly,a lock hook assembly and a starting assembly. When a car moves to a landing, the door knife arm assembly stretches into the position between landing door balls, a synchronous belt drives a starting rod to move, the starting rod acts to enable a linkage plate to swing, a sliding block compresses a sliding block compression spring, meanwhile, a lock hook is lifted upwards to the limiting position,then the linkage plate drives the sliding block and the lock hook to move, a first door knife arm is controlled to move through a sliding block kidney-shaped groove, the first door knife arm and a second door knife arm are outwards opened to abut against the landing door balls, and landing door unlocking is achieved. When an elevator is positioned in an unlocking area, a car door can be pushed open from the interior and the exterior of the car. When the elevator is positioned in a non-unlocking area, people in the car cannot push the car door open, meanwhile, even if a motor is powered on to run, the car door cannot be opened, the structure is simple, and safety performance is high.

Description

technical field [0001] The invention belongs to the technical field of elevator equipment, in particular to an elevator sliding bar car door lock device and a control method thereof. Background technique [0002] With the advancement of science and technology and the improvement of people's living standards, more and more high-rise buildings have appeared, and the use of elevators has become more and more frequent, so the safe operation of elevators is very important, especially the safety of door systems . [0003] The national standard stipulates that when the elevator is in the unlocking area, the car door can be opened with a force of no more than 300N inside the car, or the floor door and car door can be opened with a force of no more than 300N after unlocking with a triangular key outside the car; When the elevator is in the non-unlocking area, the opening range of the car door shall not exceed 50mm. That is to say, the elevator car door lock needs to have the anti-p...

AI Technical Summary

Problems solved by technology

[0004] In the existing car door lock devices, most of the car door lock structures need to cut off the power supply of the motor when manually picking the door from the car in the unlocking area, and at the same time, it is necessary to power on the motor to rescue in the non-unlocking area. It is extremely inconvenient to manually unlock the car door, and the structure of the car door lock is complex and difficult to maintain, so it is necessary to improve the existing technology

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