An elevator landing door system

Abstract

The invention discloses an elevator landing door system, comprising an elevator car, a sill assembly and two landing door leaves. The sill assembly includes a sill bracket and a landing door sill. The bottom of the sill bracket is provided with two L-shaped bracket; the landing door leaf is slidably connected to the landing door sill through the door slider, the side of the door slider is provided with a transmission block, the transmission block is connected with the first rack, and the L-shaped bracket is rotatably connected with a transverse screw rod. One end of the transverse screw rod is connected with a first gear that meshes with the first rack. The L-shaped bracket is provided with a transverse sliding rail, and the top of the transverse sliding rail is slidably connected to a limit block. The transverse screw rod is threaded with the limit block. connection; the top of the limit block is provided with a second rack, the bottom of the sill bracket is connected with a shielding plate through a rotating shaft, and the two ends of the rotating shaft are respectively provided with second gears meshing with the second rack; the bottom of the elevator car A fixing plate is provided, and the fixing plate is provided with a socket corresponding to the limit block. The invention is an elevator landing door system, which can effectively prevent the occurrence of shearing accidents.

Description

technical field [0001] The invention relates to an elevator landing door system. Background technique [0002] An elevator is a vertical lift powered by an electric motor, equipped with a box-like pod, used to carry people or carry goods in multi-storey buildings. As a vertical transportation tool, the elevator has become an indispensable construction equipment in high-rise buildings and public places. However, in practical applications, elevator accidents frequently occur. Among them, personnel shearing and squeezing accidents caused by electrical interlock circuit failure or artificial short circuit failure during maintenance, that is, the elevator car will move up or down before the landing door is closed or completely closed, which occurs a lot. Therefore, how to provide an elevator landing door system to prevent the occurrence of shearing accidents is an urgent problem to be solved by those skilled in the art. SUMMARY OF THE INVENTION [0003] The purpose of the pr...

AI Technical Summary

Problems solved by technology

However, in practical applications, elevator accidents occur frequently

Among them, due to the failure of the electrical interlock circuit or the artificial short-circuit of the circuit during maintenance, the accident of personnel shearing and extrusion, that is, the upward or downward movement of the elevator car when the landing door is not closed or completely closed, has occurred.

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