EXCAVATION TOOL AND EXCAVATING EQUIPMENT USING THE SAME

PROBLEM TO BE SOLVED: To provide an excavation tool and the like, which can travel in a curved manner.SOLUTION: An excavation tool 20 according to the present invention includes a rotating shaft 21, a spiral body (spiral blade 22) that is provided around the rotating shaft in such a manner as to be...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAMURA TARO, HIRABAYASHI CHIHARU, NAGAI MAMORU
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 an excavation tool and the like, which can travel in a curved manner.SOLUTION: An excavation tool 20 according to the present invention includes a rotating shaft 21, a spiral body (spiral blade 22) that is provided around the rotating shaft in such a manner as to be spirally extended in a direction along the rotating shaft, and excavation means (excavation bit 23) that is provided on the tip side of the rotating shaft and the spiral body. The rotating shaft is bendably configured.SELECTED DRAWING: Figure 2 【課題】曲進可能な掘削具等を提供する。【解決手段】本発明に係る掘削具２０は、回転軸２１と、当該回転軸に沿った方向に螺旋状に延長するように回転軸の周りに設けられた螺旋体（螺旋羽根２２）と、前記回転軸及び螺旋体の先端側に設けられた掘削手段（掘削ビット２３）とを備え、前記回転軸が折曲可能に構成されたことを特徴とする。【選択図】図２