The invention discloses a rotatable hydraulic cantilever lifting device. The rotatable hydraulic cantilever lifting device comprises a lifting arm, a base and a lifting hook, the base is fixed on a civil foundation; a slewing bearing and a lifting device outer cylinder are sequentially arranged at the upper end of the base; the lifting device outer cylinder is connected through a rotary pair whichis formed by the slewing bearing and the base and has a vertically arranged rotary shaft, and is driven by a rotary motor; a lifting device inner cylinder forming a moving pair with the lifting device outer cylinder is arranged in the lifting device outer cylinder; a lifting arm is arranged at the upper end of the lifting device inner cylinder; the base, the slewing bearing, the lifting device inner cylinder and the lifting device outer cylinder are each of a hollow tubular structure, and a hydraulic lifting device is arranged in the tubular structure; the hydraulic lifting device comprises ahydraulic cylinder; a piston rod of the hydraulic cylinder is vertically arranged, and the upper end is in rotary pair connection with the lifting device inner cylinder and the lifting arm. The lifting position, the lifting speed and the rotating angle can be accurately controlled, lifting and rotating can be achieved with high precision, the site can be more fully utilized, and the device can play a role in a narrow space.

    本发明公开了可旋转的液压式悬臂提升装置,包括提升臂、底座和吊钩;底座固定在土建基础上;底座上端依次设有回转支承和提升装置外筒;提升装置外筒籍由回转支承与底座形成回转轴竖直设置的回转副连接,并由旋转电机驱动;提升装置外筒内设有与之呈移动副的提升装置内筒;提升装置内筒的上端设有提升臂;底座、回转支承、提升装置内筒和提升装置外筒均为中空的管状结构,其内腔设有液压提升装置;液压提升装置包括液压缸;液压缸的活塞杆竖直设置,上端与提升装置内筒和提升臂形成回转副连接。本发明能够精确控制的提升位置、速度及旋转角度,能够高精度的实现提升和旋转,更加充分的利用场地,可在狭小空间发挥作用。


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    Title :

    Rotatable hydraulic cantilever lifting device


    Additional title:

    可旋转的液压式悬臂提升装置


    Contributors:
    WANG CHANGRUN (author) / GUO JIAQI (author) / ZHAO CHUNHE (author) / SONG TAO (author)

    Publication date :

    2020-06-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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