JPS5894783U - hole drilling equipment - Google Patents

hole drilling equipment

Info

Publication number
JPS5894783U
JPS5894783U JP19037481U JP19037481U JPS5894783U JP S5894783 U JPS5894783 U JP S5894783U JP 19037481 U JP19037481 U JP 19037481U JP 19037481 U JP19037481 U JP 19037481U JP S5894783 U JPS5894783 U JP S5894783U
Authority
JP
Japan
Prior art keywords
injection hole
drilling equipment
bit
hole drilling
reverse injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19037481U
Other languages
Japanese (ja)
Inventor
神澤　真明
星野　謙三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP19037481U priority Critical patent/JPS5894783U/en
Publication of JPS5894783U publication Critical patent/JPS5894783U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本案に係る削孔装置の斜視図、第２図　、はビ
ット及びロッドの使用状態における長さ方向に沿った断
面図、第３図はビットの第２図とは別の面における長さ
方向に沿った断面図、第４図は第２図のＩＶ−ＩＶ線に
おける断面図である。 図において、１：ビット、２：ロッド、３：前面チップ
、４：削粉案内溝、５，６：供給路、７：中央注水孔、
８：側方注水孔、９：ビット逆向噴射孔、１０：ロッド
逆向噴射孔、１１：側面切削チップ、１５：掘削孔内周
壁。Fig. 1 is a perspective view of the drilling device according to the present invention, Fig. 2 is a cross-sectional view along the length direction of the bit and rod in the used state, and Fig. 3 is a view of the bit in a different plane from Fig. 2. 4 is a sectional view along the length direction, and FIG. 4 is a sectional view taken along the line IV--IV in FIG. 2. In the figure, 1: bit, 2: rod, 3: front tip, 4: cuttings guide groove, 5, 6: supply path, 7: central water injection hole,
8: side water injection hole, 9: bit reverse injection hole, 10: rod reverse injection hole, 11: side cutting tip, 15: inner circumferential wall of the drilling hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ビットの先端部外周面に内部の供給路先端部から外周面
後方部にかけて供給路内の高圧水もしくは高圧エアを削
孔方向とは逆方向に向けて噴出する逆向噴射孔を設ける
と共に、前記ビットを支持するロッドにもビットにおけ
る逆向噴射孔と同様の内部に流通する高圧水もしくは高
圧エアを削孔方向とは逆方向に噴出する逆向噴射孔を設
けてなる削孔装置。A reverse injection hole is provided on the outer circumferential surface of the tip of the bit from the tip of the internal supply channel to the rear portion of the outer circumferential surface for ejecting high-pressure water or high-pressure air in the supply channel in a direction opposite to the drilling direction. A drilling device in which the supporting rod is also provided with a reverse injection hole for ejecting high-pressure water or high-pressure air flowing inside in a direction opposite to the drilling direction, similar to the reverse injection hole in the bit.
JP19037481U 1981-12-22 1981-12-22 hole drilling equipment Pending JPS5894783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19037481U JPS5894783U (en) 1981-12-22 1981-12-22 hole drilling equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19037481U JPS5894783U (en) 1981-12-22 1981-12-22 hole drilling equipment

Publications (1)

Publication Number Publication Date
JPS5894783U true JPS5894783U (en) 1983-06-27

Family

ID=30103962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19037481U Pending JPS5894783U (en) 1981-12-22 1981-12-22 hole drilling equipment

Country Status (1)

Country Link
JP (1) JPS5894783U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008504471A (en) * 2004-06-25 2008-02-14 アトラス コプコ セコロク エイビー Capturing fluid channel transfer device for downhole drill strings
JP2016138417A (en) * 2015-01-28 2016-08-04 大成建設株式会社 Drilling rod, crawler drill, and cutting discharge method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008504471A (en) * 2004-06-25 2008-02-14 アトラス コプコ セコロク エイビー Capturing fluid channel transfer device for downhole drill strings
JP2016138417A (en) * 2015-01-28 2016-08-04 大成建設株式会社 Drilling rod, crawler drill, and cutting discharge method

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