The invention discloses an inverted trapezoidal heavy lifting appliance which comprises a cross beam, an adjusting screw rod, a lifting rope and a U-shaped shackle, inclined through holes are formed in the two longitudinal ends of the cross beam respectively, and the lower ends of the two inclined through holes incline oppositely; the upper ends of the adjusting screws are installed in the inclined through holes, the lower ends of the adjusting screws are connected with the upper ends of the lifting ropes, and the axial direction of the adjusting screws on the same side and the lifting ropes are located on the same straight line. The lower end of the lifting rope is connected with the upper end of the U-shaped shackle, and the lower end of the U-shaped shackle serves as a lifting point of external equipment.

    本发明公开了一种倒梯形重型吊具,包括:横梁、调整螺杆、吊绳和U形卸扣;所述横梁的纵向两端分别设有斜形通孔,且两个斜形通孔下端相向倾斜;调整螺杆的上端安装在斜形通孔中,下端与吊绳的上端连接,且同一侧的调整螺杆的轴向与吊绳处于同一直线上;吊绳的下端与U形卸扣的上端连接,U形卸扣的下端作为外部装备的吊点。


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    Title :

    Inverted trapezoidal heavy lifting appliance


    Additional title:

    一种倒梯形重型吊具


    Contributors:
    WANG GUILIN (author) / HUANG HAI (author) / WANG YONGTAO (author) / CUI XIAOSHUANG (author) / SHAN HAICHAO (author) / LIU GANG (author) / ZHANG QINGLIN (author) / WANG RUIHENG (author) / WAN LUN (author) / LIU GUSHENG (author)

    Publication date :

    2022-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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