The device comprises a pipe piece bolt and a bracket, the pipe piece bolt comprises an arc-shaped screw rod with threads on the surface, a bolt head is formed at the first end of the arc-shaped screw rod, and a fastening nut is in threaded connection with the second end of the arc-shaped screw rod; the bracket comprises a straight panel attached to the annular end face of the negative ring segment and a lifting lug steel plate perpendicularly welded to the center of the top of the straight panel, triangular plate supports are symmetrically welded and fixed between the two side plate faces of the lifting lug steel plate and the straight panel, and an upper through hole allowing the first end of an arc-shaped screw to penetrate through is formed in the center of the straight panel. And a screw mounting operation hole is formed in the center of one side of the lifting lug steel plate corresponding to the upper through hole. A lifting point is provided for each demounted negative ring duct piece through the lifting appliance composed of the bracket and the arc-shaped duct piece bolt, the arc-shaped screw rod of the bracket can be matched with the annular hand hole of the negative ring duct piece, the whole device is convenient to mount, is stably connected with the negative ring duct piece and does not fall off easily, and the safety is improved.

    本发明公开了一种用于隧道负环管片拆除的装置,包括管片螺栓和牛腿,管片螺栓包括表面设有螺纹的弧形螺杆,弧形螺杆的第一端形成螺栓头,弧形螺杆的第二端螺纹连接有紧固螺母,牛腿包括与负环管片的环向端面相贴合的平直面板、垂直焊接于平直面板顶部中心位置的吊耳钢板,吊耳钢板的两侧板面与平直面板之间对称焊接固定有三角板支撑,平直面板的中心位置开设有供弧形螺杆的第一端穿设的上部通孔,吊耳钢板一侧的中心位置对应上部通孔开设有螺杆安装操作孔。本发明通过牛腿和弧形管片螺栓构成的吊具为拆除的每块负环管片提供吊点,牛腿的弧形螺杆可以与负环管片的环向手孔配合,整个装置安装方便且与负环管片连接稳固,轻易不会掉落,提高安全性。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Device for dismantling tunnel negative ring duct piece


    Weitere Titelangaben:

    用于隧道负环管片拆除的装置


    Beteiligte:
    LI TONGTONG (Autor:in) / LI CHAO (Autor:in) / MEI JING (Autor:in) / HAN SHAOBING (Autor:in) / LIU PEIYU (Autor:in) / ZHANG JINGTAO (Autor:in)

    Erscheinungsdatum :

    2022-12-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / E21D SHAFTS , Schächte



    Negative ring duct piece hoisting and dismantling assembly and dismantling method

    CAI BAISONG / LIN SHANGLIAN / QIU SHUPENG et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    Dismantling device for negative ring segment and dismantling method of negative ring segment

    LI CHAO / WANG MENGLONG / ZHANG JINGTAO et al. | Europäisches Patentamt | 2021

    Freier Zugriff

    Duct piece dismantling lifting appliance and using method thereof

    ZHANG JIHUI / XIONG ZHONGFEI / XIN QINGKUN et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    Duct piece conveying device for subway shield tunnel construction

    ZHANG HENGWEN / FENG FEI / DENG CHAOPU et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    Dismantling device and dismantling method for temporary outfitting piece on top of immersed tube

    LIU JIANGUO / WANG DIANWEN / SHANG QIANKUN et al. | Europäisches Patentamt | 2023

    Freier Zugriff