EXCAVATION HEAD

To provide a various form excavation head by a small number of excavation heads.SOLUTION: An excavation head 6 digs by being mounted at a bottom edge of a rotary rod 4 rotationally driven. This excavation head comprises a rod coupling connection part 11 mounted at the bottom edge of the rotary rod a...

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Bibliographic Details
Main Author AKIYAMA MASANORI
Format Patent
LanguageEnglish
Japanese
Published 22.02.2021
Subjects
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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Summary:To provide a various form excavation head by a small number of excavation heads.SOLUTION: An excavation head 6 digs by being mounted at a bottom edge of a rotary rod 4 rotationally driven. This excavation head comprises a rod coupling connection part 11 mounted at the bottom edge of the rotary rod and an excavation head body 13 provided with excavation claws 12. The rod coupling connection part is detachably fixed to the excavation head body.SELECTED DRAWING: Figure 2 【課題】少ない掘削ヘッドの数量で、多種の形態の掘削ヘッドを提供する。【解決手段】掘削ヘッド６は、回転駆動される回転ロッド４の下端に取り付けられて掘削する。この掘削ヘッドは、前記回転ロッドの下端に取り付けられるロッド連結用連結部１１と、掘削爪１２を具備する掘削ヘッド本体１３とを備えており、前記ロッド連結用連結部が、前記掘削ヘッド本体に着脱可能に固定されている。【選択図】図２
Bibliography:Application Number: JP20190146275