The invention discloses a portable movable arm roof crane capable of being dismounted and mounted. The portable movable arm roof crane capable of being dismounted and mounted comprises a swing mechanism, a plurality of supporting legs are detachably connected to the side part of the swing mechanism, a suspension arm is hinged to the front side of the swing mechanism and comprises a plurality of sections of detachably connected branch suspension arms, a variable-amplitude oil cylinder is hinged between the suspension arm and the swing mechanism, a balance arm is detachably connected to the rearside of the swing mechanism, a supporting rod is detachably connected between the balance arm and the swing mechanism, a pump station connected with the variable-amplitude oil cylinder and a winch connected with the pump station are detachably arranged on the upper side of the balance arm, a plurality of pulleys are fixedly arranged on the front end of the suspension arm, and a steel wire rope ofthe winch bypasses the pulleys to be connected with a lifting hook. According to the portable movable arm roof crane capable of being dismounted and mounted, the amplitude changing process is stableand reliable, the requirement for double-person manual carrying is met, a single component is compact in size and convenient to carry, other auxiliary equipment is not needed for mounting and dismounting, the dismounting process is simple and rapid, the portable movable arm roof crane capable of being dismounted and mounted has great practicability for buildings without auxiliary equipment mounting conditions, and the using portability of a tower crane is improved.

    本发明公开了一种便携式拆装动臂屋面吊。它包括回转机构,回转机构侧部可拆卸连接有多个支腿,回转机构前侧铰接有吊臂,吊臂包括多节可拆卸连接的分吊臂,吊臂与回转机构之间铰接有变幅油缸,回转机构后侧可拆卸连接有平衡臂,平衡臂与回转机构之间可拆卸连接有支撑杆,平衡臂上侧可拆卸设有与变幅油缸连接的泵站和与泵站连接的卷扬机,吊臂的前端固定有若干滑轮,所述卷扬机的钢丝绳绕过滑轮与吊钩连接。本发明变幅过程平稳可靠,满足双人人工搬运需求,且单部件体积紧凑,便于搬运,安装和拆除无需其余辅助设备,拆除过程简单快捷,对于不具备辅助设备安装条件的建筑,具有极大的实用性,提升了塔式起重机使用的便携性。


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    Title :

    Portable movable arm roof crane capable of being dismounted and mounted


    Additional title:

    一种便携式拆装动臂屋面吊


    Contributors:
    XU GUILIN (author) / HUANG JIANJUN (author) / SUN ZHENGGANG (author) / SHI YU (author)

    Publication date :

    2020-10-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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