A protection mechanical device for hoisting of a steel rail is characterized in that the protection mechanical device for hoisting of the steel rail comprises a screw, a nut, a lower supporting piece, a spring, a supporting base, an upper supporting piece, a support plate, a lubrication clearance, rotary bearings, the steel rail, an electric block, a connecting lead screw and fastening devices; the spring is arranged in the supporting base, and the upper portion and the lower portion of the spring abut against the upper supporting piece and the lower supporting piece respectively; a combined adjusting device of the screw and the nut is arranged at the bottom end of the lower supporting piece; the support plate is arranged between the upper supporting piece and the electric block and provided with the rotary bearings; and the reinforced connecting lead screw is arranged in the support plate, and the two ends of the connecting lead screw are clamped by the fastening devices. The protection mechanical device for hoisting of the steel rail has the beneficial effects that the structure is compact, and design is ingenious; using performance is reliable, and mounting and maintenance are convenient; operation is convenient; the labor strength of staff is lowered; acting force during operation is improved; slipping is effectively avoided; and the influence of severe weather is avoided.


    Access

    Download


    Export, share and cite



    Title :

    Protection mechanical device for hoisting of steel rail


    Contributors:
    LIU ZHAOCAI (author)

    Publication date :

    2016-02-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



    Protective mechanical device for steel rail hoisting

    NIU SHUHUI / SHI HONGDA | European Patent Office | 2021

    Free access

    Steel rail vertical hoisting construction method

    LI GANG / CUI XIAOQIANG / LI XINJIAN et al. | European Patent Office | 2022

    Free access

    OVERLOAD PROTECTION APPARATUS FOR VARIABLE RAIL HOISTING

    CHEN FENG / WANG JIAN / ZHANG CHENG | European Patent Office | 2023

    Free access

    Universal steel coil hoisting protection device

    FENG DEZHI / ZHU QISHENG / LIU CHANGWEI et al. | European Patent Office | 2020

    Free access

    Rail type platform special for mechanical hoisting

    DU SIJU / ZHANG RUIYI / WU DEJIAN et al. | European Patent Office | 2023

    Free access