In a rope trolley crane provided with a crane body (4) that includes sea leg (2) and a land leg (3), a girder (5) and a boom (6) that are disposed to the crane main body (4), a trolley (7) that traverses above the girder (5) and the boom (6), a bucket (12) that is positioned downward of the trolley (7), first and second hoist drums (20, 22) and left and right hoist ropes (9a, 9c) that raise and lower the bucket (12), and first and second opening and closing drums (21, 23) and left and right opening and closing ropes (9b, 9d) that open and close the bucket (12), the present invention includes, when the bucket (12) is swinging in the travelling direction, lowering the hoist rope (9a or 9c) on the front side in the travelling direction, and raising the hoist rope (9c or 9a) on the rear side in the travelling direction. It is by such a configuration that the present invention achieves the advantageous effect of smoothly reducing the swinging of the bucket (12) in the travelling direction.


    Access

    Download


    Export, share and cite



    Title :

    Method for controlling swinging of grab bucket of rope trolley crane


    Contributors:

    Publication date :

    2015-11-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



    Double-multiplying-power eight-rope grab bucket hoisting trolley

    QIN JUN / YU LIHAO / QU JIHUA et al. | European Patent Office | 2020

    Free access

    ROTARY GRAB BUCKET TROLLEY

    WANG JIAN / TANG RUIRUI / CHEN FENG et al. | European Patent Office | 2023

    Free access

    Electronic weighing device of four-rope grab bucket crane and crane

    YAO TIANFU / SHI TAO / TANG SHUFENG et al. | European Patent Office | 2023

    Free access

    Rotary grab bucket trolley

    WANG JIAN / TANG RUIRUI / CHEN FENG et al. | European Patent Office | 2021

    Free access

    Grab bucket variable crane

    QU ZHULI | European Patent Office | 2020

    Free access