The invention relates to the technical field of cranes, and discloses a rotary assembly of a tower crane and the tower crane. The rotary assembly of the tower crane comprises a lower support (10), a rotary portion and a platform portion. The rotary portion is arranged above the lower support and rotatably mounted on the lower support (10), the platform portion is arranged on the side of the rotaryportion, and the lowest position of the platform portion is lower than the rotary portion in the vertical direction. According to the rotary assembly of the crane, the total height can be conveniently controlled within a height limit value, so that the rotary assembly does not need to be disassembled when a transport vehicle carries out transportation, manpower and material resources are saved, and the transportation convenience and economical efficiency of the rotary assembly of the tower crane are improved.

    本发明涉及起重机技术领域,公开了一种塔式起重机的回转总成以及塔式起重机,所述塔式起重机的回转总成包括下支座(10)、回转部和平台部,所述回转部设置在所述下支座的上方且可转动地安装于所述下支座(10),所述平台部设置在所述回转部的侧方,其中,所述平台部的最低处在竖直方向上低于所述回转部。本申请提供的起重机的回转总成便于将总高度控制在高度限值之内,从而在运输车进行运输时不需要对回转总成进行拆卸,节约了人力物力,提高了对塔式起重机的回转总成的运输的便捷性和经济性。


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    Title :

    Rotary assembly of tower crane and tower crane


    Additional title:

    塔式起重机的回转总成以及塔式起重机


    Contributors:
    LI GUIFANG (author) / ZHANG PENG (author) / ZHU BIN (author)

    Publication date :

    2020-12-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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