CN106639865B - Stagewise cutting apparatus - Google Patents
Stagewise cutting apparatus Download PDFInfo
- Publication number
- CN106639865B CN106639865B CN201510717530.2A CN201510717530A CN106639865B CN 106639865 B CN106639865 B CN 106639865B CN 201510717530 A CN201510717530 A CN 201510717530A CN 106639865 B CN106639865 B CN 106639865B
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- transmission shaft
- driven gear
- stabilizer
- outer housing
- stagewise
- 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.)
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510717530.2A CN106639865B (en) | 2015-10-30 | 2015-10-30 | Stagewise cutting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510717530.2A CN106639865B (en) | 2015-10-30 | 2015-10-30 | Stagewise cutting apparatus |
Publications (2)
Publication Number | Publication Date |
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CN106639865A CN106639865A (en) | 2017-05-10 |
CN106639865B true CN106639865B (en) | 2019-03-12 |
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ID=58830026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510717530.2A Active CN106639865B (en) | 2015-10-30 | 2015-10-30 | Stagewise cutting apparatus |
Country Status (1)
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CN (1) | CN106639865B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110887956B (en) * | 2019-12-18 | 2022-01-28 | 中铁工程装备集团有限公司 | Laser rock breaking test bed and rock breaking effect evaluation method |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4484753A (en) * | 1983-01-31 | 1984-11-27 | Nl Industries, Inc. | Rotary shaft seal |
CN102561951A (en) * | 2012-01-14 | 2012-07-11 | 中国石油天然气集团公司 | Double-stage and double-speed well drilling tool |
CN104563860B (en) * | 2013-10-27 | 2017-01-04 | 中国石油化工集团公司 | The double rotating speed drilling rig of a kind of twin-stage |
CN203742454U (en) * | 2014-03-13 | 2014-07-30 | 长沙矿山研究院有限责任公司 | Reaming cutting head of blind raise boring machine |
CN205172426U (en) * | 2015-10-30 | 2016-04-20 | 中石化石油工程技术服务有限公司 | Hierarchical formula cutting device |
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2015
- 2015-10-30 CN CN201510717530.2A patent/CN106639865B/en active Active
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Publication number | Publication date |
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CN106639865A (en) | 2017-05-10 |
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Effective date of registration: 20230601 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: SINOPEC Group Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |