An offshore crane with a hydraulic energy storage buffer system is characterized by comprising a lazy arm bracket, a lazy arm arranged on the lazy arm bracket, a winch arranged on the lazy arm, a fixed pulley arranged at one end of the lazy arm and connected with the winch, a movable pulley connected below the fixed pulley, and a lifting hook connected below the movable pulley, the buffer system is arranged on the suspension arm and is connected with the movable pulley; the buffering system comprises an energy accumulator and a buffering oil cylinder which are arranged on the suspension arm, a piston rod of the buffering oil cylinder is connected with the movable pulley, and the energy accumulator is connected with the buffering oil cylinder through an oil pipe. The impact load of the winch during full-load high-speed retracting and releasing is reduced, and the safety performance of the crane is improved.

    一种具有液压蓄能缓冲系统的近海起重机,其特征在于,包括吊臂托架,设置在所述吊臂托架上的吊臂,设置在所述吊臂上的绞车,设置在吊臂一端与绞车连接的定滑轮,连接在定滑轮下方的动滑轮,连接在动滑轮下方的吊钩,以及设置在吊臂上与动滑轮连接的缓冲系统;所述缓冲系统包括设置在所述吊臂上的蓄能器和缓冲油缸,所述缓冲油缸的活塞杆与所述动滑轮连接,所述蓄能器和所述缓冲油缸通过通油管连接。本发明降低了绞车在满载高速收放时的冲击载荷,提高起重机的安全性能。


    Access

    Download


    Export, share and cite



    Title :

    Offshore crane with hydraulic energy storage buffer system


    Additional title:

    一种具有液压蓄能缓冲系统的近海起重机


    Contributors:
    WANG ZHIJUN (author) / SUI GUOZHONG (author) / ZHAO MINGQING (author) / YIN JUN (author)

    Publication date :

    2023-09-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / F16F SPRINGS , Federn



    Hydraulic system for telescopic buffer of crane boom and crane

    JIAN TAOFENG / YU YANGHUA / ZHOU RULIAN | European Patent Office | 2015

    Free access

    Offshore crane

    GILES JOHN / WEST ALAN | European Patent Office | 2020

    Free access

    OFFSHORE CRANE

    GILES JOHN / WEST ALAN | European Patent Office | 2019

    Free access

    OFFSHORE CRANE

    VAN DOMMELEN JORRIT LENNART | European Patent Office | 2020

    Free access

    TIP-OVER PREVENTION SYSTEM, BOOM OF AN OFFSHORE CRANE, OFFSHORE CRANE

    KROL EELCO HARRY / MOL MICHIEL GIOVANNI | European Patent Office | 2025

    Free access