Disclosed technology relates to a drill device comprising: a pile configured such that same descends to a seafloor surface through a mooring installation device provided in a ship, and a part of the body thereof is fixed in an area of the seafloor surface as the upper surface thereof is pressurized in the vertical direction; a driving pipe configured such that same descends to the seafloor surface through a through-hole formed in the pile, the body thereof is inserted into a seafloor foundation, and same is recovered through the through-hole after excavation is completed; a chain, one end of which is fixed to one side of the pile, and the other end of which is introduced through the through-hole such that same is inserted into the seafloor foundation together with the driving pipe; and a drill bit unit having a drill bit provided on the front portion of the body thereof and having a fastening portion formed on the rear portion of the body thereof such that an end of the driving pipe is fastened thereto, the drill bit unit being configured to insert the driving pipe and the chain into the seafloor foundation while the other end of the chain is connected to a bearing surrounding the body thereof. Accordingly, the drill device is advantageous in that the chain is prevented from being wound around the driving pipe, and the pile remains fixed by fixing the seafloor foundation with the drill bit.


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    Titel :

    DRILL DEVICE


    Weitere Titelangaben:

    BOHRVORRICHTUNG
    DISPOSITIF DE FORAGE


    Beteiligte:
    CHO BEONG HO (Autor:in)

    Erscheinungsdatum :

    2023-02-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren



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