CN214741109U - 一种用于金刚石钻具的变径接头 - Google Patents
一种用于金刚石钻具的变径接头 Download PDFInfo
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- CN214741109U CN214741109U CN202121133045.8U CN202121133045U CN214741109U CN 214741109 U CN214741109 U CN 214741109U CN 202121133045 U CN202121133045 U CN 202121133045U CN 214741109 U CN214741109 U CN 214741109U
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- thread section
- jack
- mounting groove
- main part
- drilling tool
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- 238000005553 drilling Methods 0.000 title claims abstract description 25
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 14
- 239000010432 diamond Substances 0.000 title claims abstract description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
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Abstract
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CN202121133045.8U CN214741109U (zh) | 2021-05-25 | 2021-05-25 | 一种用于金刚石钻具的变径接头 |
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CN202121133045.8U CN214741109U (zh) | 2021-05-25 | 2021-05-25 | 一种用于金刚石钻具的变径接头 |
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CN214741109U true CN214741109U (zh) | 2021-11-16 |
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CN202121133045.8U Active CN214741109U (zh) | 2021-05-25 | 2021-05-25 | 一种用于金刚石钻具的变径接头 |
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CN (1) | CN214741109U (zh) |
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2021
- 2021-05-25 CN CN202121133045.8U patent/CN214741109U/zh active Active
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Wu Bingfu Inventor after: Pan Zhengfeng Inventor after: Zhang Yihuo Inventor after: Zhang Jiajian Inventor before: Wu Bingfu Inventor before: Pan Zhengfeng Inventor before: Zhang Yihuo Inventor before: Zhang Jiajian |
|
CB03 | Change of inventor or designer information | ||
CP03 | Change of name, title or address |
Address after: No.185, Haitang Road, Hefei hi tech Development Zone, Anhui Province, 230088 Patentee after: Anhui water conservancy and hydropower survey and design research institute Co.,Ltd. Country or region after: China Address before: No.185, Haitang Road, Hefei hi tech Development Zone, Anhui Province, 230088 Patentee before: Anhui water resources and Hydropower Survey, design and Research Institute Co.,Ltd. Country or region before: China |
|
CP03 | Change of name, title or address |