The invention discloses a suspension arm which comprises a front end arm, a plurality of sets of front section arms, a plurality of sets of rear section arms and a plurality of sets of rear section arms, the front end arm is provided with a plurality of groups of front section arms, the rear end arm is provided with a plurality of groups of rear section arms, the front section arms and the rear section arms are connected through pulley structures, and the adjacent rear section arms are connected through pulley structures; the locking structure (A) is arranged at the tail part of an arm barrel of the tail end rear section arm; the suspension arm locking mechanism is compact in structure and small in overall occupied space, the sectional size of the six-section arm cylinder is effectively increased, and the bearing capacity of the suspension arm is improved; the invention further discloses the boom crane.

    本发明公开了一种吊臂,包括:前端臂,所述前端臂设有多组前节臂,且相邻前节臂之间通过伸缩油缸连接;后端臂,所述后端臂设有多组后节臂,所述前节臂与后节臂之间、以及相邻后节臂之间均通过滑轮结构连接;锁止结构(A),所述锁止结构设于末端后节臂的臂筒尾部;本发明吊臂锁止机构结构紧凑,整体占用空间小,有效增加六节臂臂筒截面尺寸,提升吊臂承载力;本发明还公开了一种臂架起重机。


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    Title :

    Suspension arm and boom crane with same


    Additional title:

    一种吊臂及设有该吊臂的臂架起重机


    Contributors:
    MA SHANHUA (author) / ZHU WEI (author) / ZHANG YANWEI (author) / CHEN SUXUN (author)

    Publication date :

    2023-08-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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