The invention relates to a lifting hook height limiting device and method, and belongs to the technical field of lifting appliance protection.The lifting hook height limiting device comprises a limiting switch, a mounting base, a limiting assembly, a distance measuring element and a label, the mounting base is fixedly arranged, and the distance measuring element is mounted on the mounting base and electrically connected with the limiting switch; the limiting switch is used for starting and stopping a winch motor for pulling the lifting hook, the label is installed on the limiting assembly, the limiting assembly is installed on the installation base in a lifting mode, when the lifting hook ascends to abut against the limiting assembly, the limiting assembly ascends along with the lifting hook, and the distance measuring element is used for measuring the distance between the label and the installation base. The limiting assembly is provided with a mechanical triggering piece used for triggering the limiting switch. The lifting hook height limiting device has the effect of improving the lifting hook height limiting reliability.

    本申请涉及一种吊钩高度限位装置及限位方法,属于吊具保护技术领域,吊钩高度限位装置包括限位开关、安装座、限位组件、测距元件以及标签,安装座固定设置,测距元件安装在安装座上并与限位开关电连接,限位开关用于启闭牵引吊钩的卷扬机马达,标签安装在限位组件上,限位组件可升降地安装在安装座上,当吊钩上升至与限位组件抵接时,限位组件随同吊钩一同上升,测距元件用于测量标签与安装座之间的距离,限位组件上设有用于触发限位开关的机械式的触发件。本申请具有提高对吊钩高度限位可靠性的效果。


    Access

    Download


    Export, share and cite



    Title :

    Lifting hook height limiting device and lifting hook height limiting method


    Additional title:

    一种吊钩高度限位装置及限位方法


    Contributors:
    LI HUIYUAN (author) / LI YAN (author) / XIONG LONGYUN (author) / ZHOU HUAINING (author)

    Publication date :

    2023-08-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



    Lifting hook limiting device applied to hoisting machinery

    XIAO YUZHEN | European Patent Office | 2015

    Free access

    Lifting hook hydraulic electric control upper limiting system

    GU WENPING / MA QIANYUN / CHEN YI et al. | European Patent Office | 2021

    Free access

    Marine work lifting hook box steel pipe limiting device

    TANG HAILIN / CHUA TIEN PENG / ZHAO MENGQI et al. | European Patent Office | 2025

    Free access

    Hydraulic system for lifting hook limiting and control method

    CHEN YI / LI XINXIAN / TANI BUNPEI et al. | European Patent Office | 2022

    Free access

    Lifting hook and lifting hook assembly

    WANG DEYI | European Patent Office | 2022

    Free access