The invention discloses a steel box girder lifting appliance with a buffering function, and relates to the field of lifting appliances. The steel box girder lifting appliance solves the problems that according to an existing steel box girder lifting appliance, the distance between lifting lugs is inconvenient to adjust, and the lifting lugs are prone to damage or deformation after colliding with the ground for a long time. Two horizontally-arranged auxiliary cross beams are symmetrically arranged on the left side and the right side below a main cross beam, two lifting assemblies are installed on each auxiliary cross beam, sliding blocks are in sliding connection with the auxiliary cross beams, lower lifting lugs are fixedly connected to the lower end faces of the sliding blocks, positioning bolts are in threaded connection with the upper ends of the sliding blocks, and at least two buffering assemblies are installed on each longitudinal beam. A guide rod passing hole is machined in each longitudinal beam, a guide rod is inserted into the guide rod passing hole of the longitudinal beam in a sliding mode, the upper end of the guide rod is fixedly connected with a limiting plate, the outer side of the guide rod is sleeved with a second spring, and a rubber pad is installed at the lower end of the guide rod. The device is used for adjusting the distance between the lower lifting lugs, so that the device is suitable for lifting operation of steel box girders with different lengths and sizes, and the damage probability of the lower lifting lugs is reduced.

    一种具有缓冲功能的钢箱梁吊具,它涉及吊具领域。本发明解决了现有的钢箱梁吊具存在不便于调节吊耳之间的间距,且吊耳长期碰撞地面容易导致损坏或者形变问题。本发明的主横梁下方左右两侧对称设置有水平布置的两个副横梁,每个副横梁上安装有两个起吊组件,滑块与副横梁滑动连接,滑块下端面固定连接有下吊耳,滑块上端螺接有定位螺栓,每个纵梁上安装有至少两个缓冲组件,每个纵梁上加工有导向杆通过孔,导向杆滑动插接在纵梁的导向杆通过孔内,导向杆的上端固定连接有限位板,导向杆的外侧套装有第二弹簧,导向杆的下端安装有橡胶垫。本发明用于调节下吊耳之间的距离,进而适用于不同长度尺寸的钢箱梁起吊作业,降低了下吊耳的损坏几率。


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    Title :

    Steel box girder lifting appliance with buffering function


    Additional title:

    一种具有缓冲功能的钢箱梁吊具


    Contributors:
    LYU NIANZE (author) / ZHAO JIAN (author) / ZHOU DONGMEI (author) / YU LIQIAN (author) / ZHANG WEIBIN (author) / ZHAO YANPENG (author) / JIANG WANG (author) / WANG LEI (author) / DENG JIALIN (author) / LI TIANYU (author)

    Publication date :

    2023-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F16F SPRINGS , Federn




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