The invention discloses a landing door safety gear. The landing door safety gear comprises a lift car, elevator guide rails, a mounting plate, a mounting block, an automatic lifting assembly, slidingblocks, brake blocks and linkage devices, wherein the mounting plate is arranged at the bottom of the lift car; the sliding blocks are arranged on the mounting plate and can be arranged on the corresponding elevator guide rails in a manner of sliding up and down; a sliding hole is formed in each sliding block; each brake block is arranged in one sliding hole in a sliding manner; each linkage device comprises a connecting rod and two universal balls; one end, away from the corresponding elevator guide rail, of each brake block is arranged at one end of the corresponding connecting rod through one universal ball, and the other end of the connecting rod is arranged on the mounting block through the other universal ball; the mounting block is arranged at the upper end of the automatic liftingassembly, and the lower end of the automatic lifting assembly is arranged on the mounting plate; when the automatic lifting assembly is controlled to drive the mounting block to move up and down, thebrake blocks can be compelled to slide in the corresponding sliding holes; and when the brake blocks slide inwards to be in contact with the corresponding elevator guide rails, the movement of the lift car can be limited. The landing door safety gear is simple in structure, reasonable in layout, high in safety, good in stability and relatively low in linkage control difficulty.

    本申请公开了一种层门安全钳,包括轿厢、电梯导轨、安装板、安装块、自动升降组件、滑块、制动块以及联动器,安装板设置于轿厢的底部,滑块设置于安装板上且可上下滑动设置于电梯导轨上;滑块上设有滑孔,制动块滑动设置于滑孔内;联动器包括连接杆以及两个万向球,制动块上远离电梯导轨的一端通过一个万向球设置于连接杆的一端,连接杆另一端通过另一个万向球设置于安装块上;安装块设置于自动升降组件的上端,自动升降组件下端设置于安装板上;当控制自动升降组件驱动安装块上下移动时,可迫使制动块在滑孔内滑动;且当制动块向内滑动至与电梯导轨接触时,可限制轿厢移动。其结构简单,布局合理,安全性高,稳定性好,联动控制难度较低。


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    Title :

    Landing door safety gear


    Additional title:

    一种层门安全钳


    Contributors:

    Publication date :

    2020-12-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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