The invention discloses a windproof tower crane for construction, and relates to construction machinery. A hoisting projecting part and a balance projecting part, which are at opposite positions, are arranged on a rotating table; a jib insertion slot is formed in the hoisting projecting part, a hoisting rotating table is arranged in the jib insertion slot, a hoisting rotational shaft is arranged on the hoisting rotating table, and a jib is arranged on the hoisting rotational shaft; a balance arm insertion slot is formed in the balance projecting part, a balance rotating table is arranged in the balance arm insertion slot in a sliding manner, a balance rotational shaft is arranged on the balance rotating table, and a balance arm is arranged on the balance rotational shaft; the jib is provided with a rope pull tower A, and the balance arm is provided with a rope pull tower B; a rope tension device A is arranged at the tower top of the rope pull tower A, and a rope tension device B is arranged at the tower top of the rope pull tower B; a counterweight lifting device is arranged at the inner top of a jacking sleeve frame, and can move up and down in standard joints; a counterweight slideway is arranged on the balance arm. Compared with the prior art, the windproof tower crane disclosed by the invention has the advantages that counterweight blocks can be quickly mounted or demounted when a typhoon approaches or under other states with strong wind; besides, after the counterweight blocks are demounted, the jib and the balance arm can be bent, so that the wind area can be reduced, and the barycentre of the tower can be kept stable.


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    Title :

    Windproof tower crane for construction


    Contributors:
    LIANG JIANG (author) / ZHANG NINGFAN (author) / ZHANG JINHUA (author)

    Publication date :

    2016-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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