DRILLING APPARATUS AND DRILLING METHOD

PROBLEM TO BE SOLVED: To provide a drilling apparatus and a drilling method capable of drilling holes while detecting buried objects in concrete leading to breakage of bits.SOLUTION: A drilling apparatus 10 includes: a drill head 12; a rod 16 connected to the drill head 12 and having a bit 14 at its...

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Bibliographische Detailangaben
Hauptverfasser:	OZAKI JUICHI, YAMADA YOSHINORI, OKAGAWA HIDEYUKI, MATSUI KEITA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a drilling apparatus and a drilling method capable of drilling holes while detecting buried objects in concrete leading to breakage of bits.SOLUTION: A drilling apparatus 10 includes: a drill head 12; a rod 16 connected to the drill head 12 and having a bit 14 at its tip; a high frequency coupling portion 46 for supplying a high frequency signal to the rod 16; and a detection control unit for receiving a reflection signal from the rod 16.SELECTED DRAWING: Figure 2 【課題】ビットの破損に繋がるコンクリート中の埋設物を検知しながら、削孔することができる削孔装置及び削孔方法を提供する。【解決手段】ドリルヘッド１２と、前記ドリルヘッド１２に接続された、先端にビット１４を有するロッド１６とを備える削孔装置１０において、前記ロッド１６に高周波信号を供給する高周波結合部４６と、前記ロッド１６からの反射信号を受信する検知制御部とを備えることを特徴とする。【選択図】図２