The invention relates to a connecting device, in particular for connecting cantilever sections (1) of a tower crane cantilever, comprising:-at least one connecting bolt (6) with a first fastening portion (9, 10, 63, 64) for fastening to a first pressure plate (5, 5a, 5b, 5c) of a first cantilever section (1a) and with a second fastening portion (9, 10, 63, 64) for fastening to a second pressure plate (5, 5a, 5b, 5c) of a second cantilever section (1b); a second fastening portion (61, 62) for fastening the first pressure plate (5, 5a, 5b, 5c), the first fastening portion (9, 10, 63, 64) being provided with releasable anti-torsion connection means for fastening to the first pressure plate (5, 5a, 5b, 5c), the second fastening portion (61, 62) being provided with a centering mandrel for fastening to the second pressure plate (5, 5a, 5b, 5c) having a radial, in particular continuous fixing groove (69) for receiving the plug-in component (8); -a centering sleeve (7) for insertion into a corresponding through-opening (54, 56) in the second pressure plate (5, 5a, 5b, 5c) having an inner cross-section for receiving the second fastening part (61, 62) in a form-fitting manner.

    本发明涉及一种特别是用于对塔式起重机悬臂的悬臂区段(1)进行连接的连接装置,该连接装置包括:‑至少一个连接螺栓(6),连接螺栓带有用于与第一悬臂区段(1a)的第一压力板(5,5a,5b,5c)紧固的第一紧固部分(9,10,63,64)并且带有用于与第二悬臂区段(1b)的第二压力板(5,5a,5b,5c)紧固的第二紧固部分(61,62),其中,第一紧固部分(9,10,63,64)设置有用于紧固至第一压力板(5,5a,5b,5c)的可释放的防扭转连接器件,其中,第二紧固部分(61,62)设置有用于紧固至第二压力板(5,5a,5b,5c)的定心心轴,该定心心轴具有用于接纳插入式部件(8)的径向的、特别是连续的固定槽(69);‑定心套筒(7),该定心套筒用于插入到第二压力板(5,5a,5b,5c)中的对应的贯通开口(54,56)中,该贯通开口具有用于以形状配合的方式接纳第二紧固部分(61,62)的内部横截面。


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    Title :

    Connecting device for connecting boom sections of boom of tower crane


    Additional title:

    用于对塔式起重机悬臂的悬臂区段进行连接的连接装置



    Publication date :

    2024-02-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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