The invention relates to the technical field of elevator safety, and discloses a pair of bidirectional safety tongs and a using method thereof.The pair of bidirectional safety tongs comprises a car frame lower beam, the left side and the right side of the bottom of the car frame lower beam are fixedly connected with a second lifting box and a first lifting box correspondingly, and lifting locking mechanisms are arranged on the front side of the first lifting box and the front side of the second lifting box correspondingly; a lifting box top plate and a lifting box bottom plate are fixedly connected to the top and the bottom of the first lifting box and the top and the bottom of the second lifting box respectively, a guide rod is fixedly connected between the lifting box top plate and the lifting box bottom plate, and a lower limiting compression spring and an upper limiting compression spring are arranged at the upper end and the lower end of the outer portion of the guide rod respectively. The upper sliding wedge block and the lower sliding wedge block are arranged in the same lifting box and installed below the lower beam of the lift car frame, the lifting device is operated to be integrated with the upper braking device and the lower braking device, only one linkage lifting and pressing system is used, the structure is compact, installation and testing are convenient, braking is stable, vibration is small, meanwhile pretreatment is not needed during installation, and cost is saved.

    本申请涉及电梯安全技术领域,公开了一种双向安全钳及其使用方法,包括轿厢轿架下梁,所述轿厢轿架下梁的底部左右两侧分别固定连接有提拉盒二和提拉盒一,所述提拉盒一和所述提拉盒二的前侧均设置有提拉锁止机构,所述提拉盒一和所述提拉盒二的顶部和底部分别固定连接有提拉盒顶板和提拉盒底板,所述提拉盒顶板和提拉盒底板之间固定连接有导向杆,所述导向杆的外部上下两端分别设置有下限位压缩弹簧和上限位压缩弹簧。通过上、下滑动楔块在同一提拉盒内,安装在轿厢架下梁下面,操纵提拉装置与上、下制动装置融为一体,仅使用一套连动提压系统,结构紧凑,安装测试方便,并且制动平稳、振动小,同时安装的时候无需预处理,并且节省了成本。


    Access

    Download


    Export, share and cite



    Title :

    Bidirectional safety tongs and using method thereof


    Additional title:

    一种双向安全钳及其使用方法


    Contributors:
    LI XIN (author) / LI GUOZHI (author) / GUO JIANLEI (author) / LI JING (author)

    Publication date :

    2023-12-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



    Bidirectional safety tongs

    ZOU JIACHUN / YAO RONGKANG / LIU KUN et al. | European Patent Office | 2023

    Free access

    Bidirectional safety tongs

    ZOU JIACHUN / YAO RONGKANG / DING MINGXING et al. | European Patent Office | 2023

    Free access

    Bidirectional safety tongs for elevator

    REN WEINA / YU JING / MIN FENG et al. | European Patent Office | 2020

    Free access

    Elevator safety tongs and tongs seat

    ZHAO ZHIHONG / ZHAO ZHIYONG / ZHAO ZIYI et al. | European Patent Office | 2023

    Free access

    Bidirectional safety tongs for elevator and elevator device

    LIU CHAORAN | European Patent Office | 2021

    Free access