JP5063247B2 - 削孔装置 - Google Patents
削孔装置 Download PDFInfo
- Publication number
- JP5063247B2 JP5063247B2 JP2007203089A JP2007203089A JP5063247B2 JP 5063247 B2 JP5063247 B2 JP 5063247B2 JP 2007203089 A JP2007203089 A JP 2007203089A JP 2007203089 A JP2007203089 A JP 2007203089A JP 5063247 B2 JP5063247 B2 JP 5063247B2
- Authority
- JP
- Japan
- Prior art keywords
- bit body
- transmission member
- drilling
- outer peripheral
- pipe
- 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.)
- Expired - Fee Related
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- Earth Drilling (AREA)
Description
3 埋設用パイプ
4 ビット本体
41 凹部
46,47 突条
7 伝達部材
71 ネジ溝
8 牽引部材
9 連結部材
Claims (3)
- 埋設用パイプに挿通された削孔ロッドに取り付けられ、前記埋設用パイプとともに孔内に進入して削孔を行う削孔装置であって、
先端部に削孔用の刃体が設けられ、後端部に円筒状の凹部が形成されたたビット本体と、
前記削孔ロッドの先端部に取り付けられるとともに、前記ビット本体に前記削孔ロッドの打撃力、推力及び回転力を伝達する伝達部材と、を備え、
前記伝達部材の外周面と、前記ビット本体の凹部内壁面とが、ネジ嵌合により離脱可能に連結され、両者の接触部分が螺旋状に延びるように形成されており、
前記埋設用パイプの先端部に取り付けられるとともに前記伝達部材が挿入される筒状の牽引部材と、
前記ビット本体及び牽引部材の外周面同士を連結する筒状の連結部材と、をさらに備え、
前記ビット本体の外周面には、周方向に所定間隔をおいて複数の切欠部が形成されており、
前記切欠部と、前記連結部材の内壁面とで繰粉の排出路を形成する、削孔装置。 - 前記伝達部材の外周面には、螺旋状の溝が形成される一方、前記ビット本体の凹部内壁面には、前記溝に螺合する螺旋状の突条が形成されている、請求項1に記載の削孔装置。
- 前記突条は、多条ネジで形成されている、請求項2に記載の削孔装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007203089A JP5063247B2 (ja) | 2007-08-03 | 2007-08-03 | 削孔装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007203089A JP5063247B2 (ja) | 2007-08-03 | 2007-08-03 | 削孔装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009035981A JP2009035981A (ja) | 2009-02-19 |
JP2009035981A5 JP2009035981A5 (ja) | 2009-07-30 |
JP5063247B2 true JP5063247B2 (ja) | 2012-10-31 |
Family
ID=40438133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007203089A Expired - Fee Related JP5063247B2 (ja) | 2007-08-03 | 2007-08-03 | 削孔装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5063247B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7283034B2 (ja) | 2018-06-01 | 2023-05-30 | 富士通株式会社 | 超電導デバイス及び超電導デバイスの製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3750516B2 (ja) * | 2000-04-25 | 2006-03-01 | 三菱マテリアル株式会社 | 掘削工具 |
JP4318602B2 (ja) * | 2004-06-30 | 2009-08-26 | 株式会社奥村組 | 地山補強用打ち込み鋼管における継ぎ足し鋼管。 |
JP4001346B2 (ja) * | 2004-10-05 | 2007-10-31 | 鹿島建設株式会社 | 削孔装置 |
-
2007
- 2007-08-03 JP JP2007203089A patent/JP5063247B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7283034B2 (ja) | 2018-06-01 | 2023-05-30 | 富士通株式会社 | 超電導デバイス及び超電導デバイスの製造方法 |
Also Published As
Publication number | Publication date |
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JP2009035981A (ja) | 2009-02-19 |
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