CN102011555B - 一种旋挖钻机双锥双螺旋钻头 - Google Patents
一种旋挖钻机双锥双螺旋钻头 Download PDFInfo
- Publication number
- CN102011555B CN102011555B CN 201010274498 CN201010274498A CN102011555B CN 102011555 B CN102011555 B CN 102011555B CN 201010274498 CN201010274498 CN 201010274498 CN 201010274498 A CN201010274498 A CN 201010274498A CN 102011555 B CN102011555 B CN 102011555B
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- CN
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- Prior art keywords
- double
- core tube
- drill bit
- sub warhead
- cone
- 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)
Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201010274498 CN102011555B (zh) | 2010-09-07 | 2010-09-07 | 一种旋挖钻机双锥双螺旋钻头 |
Applications Claiming Priority (1)
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CN 201010274498 CN102011555B (zh) | 2010-09-07 | 2010-09-07 | 一种旋挖钻机双锥双螺旋钻头 |
Publications (2)
Publication Number | Publication Date |
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CN102011555A CN102011555A (zh) | 2011-04-13 |
CN102011555B true CN102011555B (zh) | 2013-01-16 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201010274498 Expired - Fee Related CN102011555B (zh) | 2010-09-07 | 2010-09-07 | 一种旋挖钻机双锥双螺旋钻头 |
Country Status (1)
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CN (1) | CN102011555B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102797254B (zh) * | 2012-09-10 | 2014-08-06 | 马春根 | 一种长螺旋钻孔挤密半取土扩底灌注桩施工方法 |
CN104594810B (zh) * | 2015-02-09 | 2017-05-17 | 广西五丰机械有限公司 | 一种深松耕种机的螺旋钻头 |
CN104747188B (zh) * | 2015-03-26 | 2017-04-19 | 中国矿业大学 | 波浪形螺旋叶片滚筒 |
CN106761427A (zh) * | 2016-12-28 | 2017-05-31 | 武汉武船重型装备工程有限责任公司 | 一种钻桩钻具 |
CN107288550B (zh) * | 2017-08-18 | 2023-07-04 | 陕西圆极岩土科技发展有限公司 | 适用于硬质岩土层的打桩成孔钻头 |
CN109339710B (zh) * | 2018-11-28 | 2020-11-06 | 金华值益信息科技有限公司 | 一种具有破碎功能的旋挖机螺旋钻头 |
CN116201484A (zh) * | 2023-05-05 | 2023-06-02 | 山东省地质科学研究院 | 坑道钻机用钻头 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4046207A (en) * | 1976-09-01 | 1977-09-06 | Thomas Lee Taylor | Earth drilling tools |
CN2769486Y (zh) * | 2004-11-26 | 2006-04-05 | 中国地质科学院勘探技术研究所 | 螺旋钻头 |
CN201024899Y (zh) * | 2007-02-15 | 2008-02-20 | 中国京冶工程技术有限公司 | 双向螺旋封闭挤扩钻头 |
CN201068740Y (zh) * | 2007-06-06 | 2008-06-04 | 周洪生 | 圆锥螺旋岩石钻头 |
CN201474612U (zh) * | 2009-07-16 | 2010-05-19 | 李新桥 | 一种桩机长螺旋狼牙棒式钻头 |
CN201763248U (zh) * | 2010-09-07 | 2011-03-16 | 李新桥 | 旋挖钻机用双锥双螺旋钻头 |
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2010
- 2010-09-07 CN CN 201010274498 patent/CN102011555B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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CN102011555A (zh) | 2011-04-13 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110413 Assignee: CHTC JOVE Heavy Industry Co., Ltd. Assignor: Li Xinqiao Contract record no.: 2013430000107 Denomination of invention: Double-cone and double-helix drill bit for rotary drilling rig Granted publication date: 20130116 License type: Exclusive License Record date: 20130716 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150907 |
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EXPY | Termination of patent right or utility model |