The invention relates to a base, a lower vehicle assembly and hoisting equipment, and relates to the technical field of engineering machinery, the base comprises a base body and two cross beam sets, the two cross beam sets are arranged on the two opposite sides of the base body respectively, each cross beam set comprises a main beam and a folding beam, the main beam is connected with the base body, the folding beam comprises a first supporting beam and a second supporting beam, and the first supporting beam is connected with the second supporting beam. The first branch beam is rotationally connected with the end of the main beam and used for being folded towards the area between the two cross beam sets, and the second branch beam is detachably connected with the end, away from the main beam, of the first branch beam; the length of the two corresponding first branch beams in the two cross beam sets is smaller than the minimum distance between the two cross beam sets. The base, the lower vehicle assembly and the hoisting equipment can meet the two requirements that interference does not occur in the folding process of the cross beam set and the overall operation stability of the hoisting equipment is guaranteed after the cross beam set is unfolded.

    本申请涉及一种底座、下车总成及起重设备,涉及工程机械技术领域,该底座包括座体和两组横梁组,两组横梁组分别设于座体相对的两侧,每组横梁组均包括主梁和折叠梁,主梁与座体连接,折叠梁包括第一支梁和第二支梁,第一支梁与主梁的端部转动连接,且第一支梁用于朝向两组横梁组之间的区域折叠,第二支梁与第一支梁远离主梁的一端可拆卸地连接;其中,两组横梁组中对应的两个第一支梁的长度小于两个横梁组之间的最小距离。该底座、下车总成及起重设备可以兼顾横梁组折叠过程不发生干涉和展开后保证起重设备整体运行稳定性的这两种需求。


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    Title :

    Base, lower vehicle assembly and hoisting equipment


    Additional title:

    底座、下车总成及起重设备


    Contributors:
    SHAO JIAMING (author) / MA PINGSHAN (author) / CHEN FUKUAN (author) / FENG BO (author)

    Publication date :

    2025-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / B62D MOTOR VEHICLES , Motorfahrzeuge



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