The invention relates to the technical field of tower crane equipment, and discloses a tower crane and a hoisting device thereof, the tower crane comprises a cargo boom, the hoisting device comprises a hoisting trolley, the hoisting trolley is installed on the cargo boom, the hoisting trolley comprises at least three groups of fixed pulley blocks arranged at intervals in the length direction, the fixed pulley block located in the middle comprises a plurality of fixed pulleys which are coaxially connected; the movable pulley mechanism is located below the hoisting trolley and comprises an upper pulley assembly and a lower pulley assembly, the upper pulley assembly comprises at least one upper pulley block, the lower pulley assembly comprises at least one lower pulley block, and the lower pulley block and the pulley surface where the fixed pulley block is located are arranged in parallel; the upper pulley block is obliquely arranged relative to the pulley surface of the fixed pulley block; and the hoisting rope is wound on the peripheries of the fixed pulley block, the upper pulley block and the lower pulley block. In the structure, the length of the hoisting trolley of the hoisting device is obviously reduced, so that the hoisting trolley is convenient to transport and mount, and the minimum hoisting amplitude of the tower crane is also reduced.

    本发明涉及塔式起重机设备技术领域,公开了一种塔机及其吊载装置,塔机包括起重臂,吊载装置包括:吊载小车,安装于起重臂上,吊载小车包括沿长度方向间隔布置的至少三组定滑轮组,其中,位于中间的定滑轮组包括同轴连接的多个定滑轮;动滑轮机构,位于吊载小车的下方,动滑轮机构包括上滑轮组件和下滑轮组件,上滑轮组件包括至少一个上滑轮组,下滑轮组件包括至少一个下滑轮组,下滑轮组与定滑轮组所在的滑轮轮面平行布置,上滑轮组相对定滑轮组所在的滑轮轮面倾斜布置;和吊载绳,绕设于定滑轮组、上滑轮组和下滑轮组的外周。在上述结构中,吊载装置的吊载小车长度明显减少,便于吊载小车的运输和安装,也使塔机的最小吊载幅度减小。


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    Title :

    Tower crane and hoisting device thereof


    Additional title:

    塔机及其吊载装置


    Contributors:
    BIN YING (author) / LI GUIFANG (author) / JI CHENGCAI (author)

    Publication date :

    2024-01-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / B66C Krane , CRANES



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