CN103899260A - 一种三个斜面x形排布的夹持体及双向自锁卡瓦 - Google Patents
一种三个斜面x形排布的夹持体及双向自锁卡瓦 Download PDFInfo
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105350930A (zh) * | 2015-11-30 | 2016-02-24 | 韩咏利 | 一种液压旋转式钻井或修井管柱双向锁紧器 |
CN109025856A (zh) * | 2018-08-03 | 2018-12-18 | 四川诺克钻探机械有限公司 | 一种钻杆夹持器 |
CN109403906A (zh) * | 2018-11-26 | 2019-03-01 | 秘天昊 | 连续油管四闸板防喷器悬挂径缩自动补偿装置 |
CN109505553A (zh) * | 2018-11-26 | 2019-03-22 | 秘天昊 | 连续油管四闸板防喷器悬挂径缩自动补偿装置的使用方法 |
CN114252290A (zh) * | 2021-12-20 | 2022-03-29 | 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) | 一种地质矿产钻探用的岩芯劈切取样器 |
CN116857434A (zh) * | 2023-08-30 | 2023-10-10 | 中电建国祯十五里河项目管理有限公司 | 一种市政道路顶管施工安全设备 |
Citations (4)
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WO1991011588A1 (en) * | 1990-01-26 | 1991-08-08 | Stein Narvestad A/S | Ring cutter for tunnel drilling in rock |
CN201794533U (zh) * | 2010-09-21 | 2011-04-13 | 重庆探矿机械厂 | 钻机方形钻杆的卡瓦 |
CN201915868U (zh) * | 2010-12-20 | 2011-08-03 | 胡勇 | 一种带导斜槽的卡瓦座 |
CN102720449A (zh) * | 2012-06-15 | 2012-10-10 | 兰桥昌 | 立轴式钻机自动拧管机的夹持机构 |
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2014
- 2014-04-17 CN CN201410153779.0A patent/CN103899260B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1991011588A1 (en) * | 1990-01-26 | 1991-08-08 | Stein Narvestad A/S | Ring cutter for tunnel drilling in rock |
CN201794533U (zh) * | 2010-09-21 | 2011-04-13 | 重庆探矿机械厂 | 钻机方形钻杆的卡瓦 |
CN201915868U (zh) * | 2010-12-20 | 2011-08-03 | 胡勇 | 一种带导斜槽的卡瓦座 |
CN102720449A (zh) * | 2012-06-15 | 2012-10-10 | 兰桥昌 | 立轴式钻机自动拧管机的夹持机构 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105350930A (zh) * | 2015-11-30 | 2016-02-24 | 韩咏利 | 一种液压旋转式钻井或修井管柱双向锁紧器 |
CN109025856A (zh) * | 2018-08-03 | 2018-12-18 | 四川诺克钻探机械有限公司 | 一种钻杆夹持器 |
CN109403906A (zh) * | 2018-11-26 | 2019-03-01 | 秘天昊 | 连续油管四闸板防喷器悬挂径缩自动补偿装置 |
CN109505553A (zh) * | 2018-11-26 | 2019-03-22 | 秘天昊 | 连续油管四闸板防喷器悬挂径缩自动补偿装置的使用方法 |
CN114252290A (zh) * | 2021-12-20 | 2022-03-29 | 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) | 一种地质矿产钻探用的岩芯劈切取样器 |
CN114252290B (zh) * | 2021-12-20 | 2023-11-03 | 山东省地质矿产勘查开发局第一地质大队(山东省第一地质矿产勘查院) | 一种地质矿产钻探用的岩芯劈切取样器 |
CN116857434A (zh) * | 2023-08-30 | 2023-10-10 | 中电建国祯十五里河项目管理有限公司 | 一种市政道路顶管施工安全设备 |
CN116857434B (zh) * | 2023-08-30 | 2023-11-03 | 中电建国祯十五里河项目管理有限公司 | 一种市政道路顶管施工安全设备 |
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