CN100552181C - 一种凿岩机的钎尾结构 - Google Patents
一种凿岩机的钎尾结构 Download PDFInfo
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- CN100552181C CN100552181C CNB2003101038883A CN200310103888A CN100552181C CN 100552181 C CN100552181 C CN 100552181C CN B2003101038883 A CNB2003101038883 A CN B2003101038883A CN 200310103888 A CN200310103888 A CN 200310103888A CN 100552181 C CN100552181 C CN 100552181C
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- Prior art keywords
- bit shank
- screw
- thread
- diameter
- bit
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Abstract
Description
组别 | 规格 | 螺纹根部直径(mm) | 螺纹直径(mm) | 桥螺母接头(mm) | 岩石坚固性系数(f) | 寿命(m) | 失效方式 |
发明 | R32 | Φ38 | R32 | R32/T45 | 14 | 560 | 磨损 |
对比 | R32 | Φ32 | R32 | 14 | 130 | 螺纹根部折断** |
组别 | 规格 | 螺纹根部直径(mm) | 螺纹直径(mm) | 岩石坚固性系数(f) | 寿命(m) | 失效方式 |
发明 | T45 | Φ38 | T45 | 14 | 860 | 磨损 |
对比 | R32 | Φ32 | R32 | 14 | 130 | 螺纹根部折断** |
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2003101038883A CN100552181C (zh) | 2003-11-20 | 2003-11-20 | 一种凿岩机的钎尾结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2003101038883A CN100552181C (zh) | 2003-11-20 | 2003-11-20 | 一种凿岩机的钎尾结构 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1619093A CN1619093A (zh) | 2005-05-25 |
CN100552181C true CN100552181C (zh) | 2009-10-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2003101038883A Expired - Fee Related CN100552181C (zh) | 2003-11-20 | 2003-11-20 | 一种凿岩机的钎尾结构 |
Country Status (1)
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CN (1) | CN100552181C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105443032B (zh) * | 2015-11-27 | 2018-04-03 | 湖南文理学院 | 一种高效的凿岩机钎具 |
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2003
- 2003-11-20 CN CNB2003101038883A patent/CN100552181C/zh not_active Expired - Fee Related
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Publication number | Publication date |
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CN1619093A (zh) | 2005-05-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Correction of invention patent gazette |
Correction item: Applicant Correct: Drill tool Development and Research Center, Dongbei Univ. False: Drill Development Research Centre, Dongbei Univ. Number: 21 Volume: 21 |
|
CI02 | Correction of invention patent application |
Correction item: Applicant Correct: Drill tool Development and Research Center, Dongbei Univ. False: Drill Development Research Centre, Dongbei Univ. Number: 21 Page: The title page Volume: 21 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DRILL DEVELOPMENT RESEARCH CENTRE, DONGBEI UNIV. TO: NORTHEASTERN UNIVERSITY DEVELOPMENT TOOLS RESEARCH CENTER |
|
ERR | Gazette correction |
Free format text: CORRECT: APPLICANT; FROM: DRILL DEVELOPMENT RESEARCH CENTRE, DONGBEI UNIV. TO: NORTHEASTERN UNIVERSITY DEVELOPMENT TOOLS RESEARCH CENTER |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20101120 |