The invention discloses a specially-made underframe for a tower crane, and relates to the technical field of tower crane installation. The specially-made underframe comprises a standard underframe, two transition secondary beams and two transition primary beams, the two transition secondary beams and the two transition primary beams are arranged in parallel, and the standard underframe is installed above the two transition secondary beams. The two transition secondary beams are mounted above the two transition primary beams, and the two transition secondary beams and the two transition primary beams are distributed in a groined shape. The transition primary beams are used for being installed on a basement top plate, connecting fulcrums are formed at the connecting positions of the transition secondary beams and the transition primary beams, and the connecting fulcrums are located above a structural column in a basement. According to the specially-made underframe for the tower crane, stress on the bottom of a tower crane foundation is transmitted to a building structure column in the basement, and the overall safety of the tower crane and a building structure is met.

    本发明公开一种塔式起重机用特制底架,涉及塔式起重机安装技术领域,包括标准底架,还包括过渡次梁和过渡主梁,所述过渡次梁和所述过渡主梁均平行设置有两个,所述标准底架安装于两个所述过渡次梁的上方,两个所述过渡次梁安装于两个所述过渡主梁的上方,两个所述过渡次梁和两个所述过渡主梁呈井字形分布;所述过渡主梁用于安装于地库顶板上,所述过渡次梁与所述过渡主梁的连接处形成连接支点,所述连接支点位于地库内结构柱的上方。本发明将塔机基础底部受力传导到地库内建筑结构柱上,满足塔机与建筑结构的整体安全。


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    Title :

    Specially-made underframe for tower crane


    Additional title:

    一种塔式起重机用特制底架


    Contributors:
    ZHONG XIAOCANG (author) / HE XIN (author) / PU QUANTING (author) / CHEN MINGCHUN (author)

    Publication date :

    2021-06-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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