The invention relates to the technical field of elevator brakes, and discloses a brake device for safety protection of a construction elevator, the brake device comprises a support frame and a brake wheel above the support frame, the surface of the support frame is slidably connected with two brake pads, and the brake pads are respectively located on two sides of the brake wheel. The two ends of the two connecting rods IV and the two ends of the connecting rod II are folded, the two clamping plates are pushed to move towards the middle position at the same time, the rotating brake wheel is clamped through the rotating wheel, the rotating speed is reduced, and then a rubber pad on the surface of the connecting head II makes contact with a rubber pad on the inner wall of a semi-arc-shaped groove; the friction force between the connector II and the semi-circular arc-shaped groove is increased, so that the brake wheel can be gradually converted from high-speed rotation to low-speed rotation through clamping of the clamping plate during rotation until stopping, abrasion between the brake pad and the extension of the brake wheel is reduced, emergency braking of the brake pad to the extension of the brake wheel is avoided, and the service life of the brake wheel is prolonged. And the brake pad generates a heat fade phenomenon due to high temperature, serious abrasion is caused, and the later braking effect is poor.

    本发明涉及电梯制动器技术领域,且公开了一种施工电梯安全防护用制动装置,包括支撑架和支撑架上方的制动轮,支撑架的表面滑动连接有两个刹车片,且刹车片分别位于制动轮的两侧。两个连接杆Ⅳ与连接杆Ⅱ的两端呈折叠状,同时推动两个夹持板向中之间的位置移动,对旋转的制动轮通过旋转轮进行夹持,减缓转动速度,然后通过连接头Ⅱ表面的胶垫与半圆弧形槽内壁的胶垫接触,增大连接头Ⅱ与半圆弧形槽之间的摩擦力,使得制动轮在转动时通过夹持板的夹持能够从高速转动逐渐转入低速转动,直到停止,减少刹车片与制动轮外延之间的磨损,避免刹车片对制动轮外延的紧急刹车,造成刹车片因高温而产生热衰退现象,引起严重磨损,使得后期刹车效果不佳。


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    Title :

    Brake device for safety protection of construction elevator


    Additional title:

    一种施工电梯安全防护用制动装置


    Contributors:
    KUAI ZHENWU (author) / CHEN XIAOBO (author) / GUO HONGWEI (author) / CHEN KAI (author) / QIAO MENG (author)

    Publication date :

    2022-05-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66D Haspeln , CAPSTANS



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