The invention discloses a large-diameter heavy pipe lifting device, which comprises a lifting base and a lifting rod, wherein a threaded rod is arranged at the lower part of the lifting rod, and is mounted at the center position of the upper end surface of the lifting base through a thread; the thread part of the lifting rod is sleeved with a locking nut; and the structure is mainly used for enhancing the fixing stability of the lifting rod and the lifting base. According to the technical scheme, firstly, a to-be-lifted round pipe is vertically put on the upper end surface of the lifting base; the lifting rod is inserted, assembled and fastened; a left oblique rod and a right oblique rod are pulled out in the radial direction at the lower part and are fastened together with aligned through holes through bolt assemblies; and the condition that the outer walls of the left oblique rod and the right oblique rod cling to the inner wall of the to-be-lifted round pipe can be ensured, so that direct lifting can be carried out.


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    Titel :

    Large-diameter heavy pipe lifting device


    Beteiligte:
    LUO BIN (Autor:in)

    Erscheinungsdatum :

    2015-06-10


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile



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