CN105298392B - 一种快速扩孔方法及结构 - Google Patents
一种快速扩孔方法及结构 Download PDFInfo
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- CN105298392B CN105298392B CN201510744113.7A CN201510744113A CN105298392B CN 105298392 B CN105298392 B CN 105298392B CN 201510744113 A CN201510744113 A CN 201510744113A CN 105298392 B CN105298392 B CN 105298392B
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CN201510744113.7A CN105298392B (zh) | 2015-11-06 | 2015-11-06 | 一种快速扩孔方法及结构 |
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CN105298392A CN105298392A (zh) | 2016-02-03 |
CN105298392B true CN105298392B (zh) | 2018-10-16 |
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Families Citing this family (4)
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CN105696941B (zh) * | 2016-03-31 | 2019-03-26 | 国家电网公司 | 一种功能齐全的电力施工用的钻孔机 |
CN107013167A (zh) * | 2017-06-02 | 2017-08-04 | 安徽恒源煤电股份有限公司 | 一种防偏斜定向组合钻头 |
CN109184590A (zh) * | 2018-11-19 | 2019-01-11 | 河南理工大学 | 一种深孔钻进方法及装置 |
CN116677322B (zh) * | 2023-08-04 | 2023-11-10 | 中国建筑第六工程局有限公司 | 一种地下工程岩土体钻孔用的变孔径钻杆及钻孔方法 |
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US4069878A (en) * | 1976-03-08 | 1978-01-24 | Reed Tool Company | Raise drilling bit with detachable stem |
US6742607B2 (en) * | 2002-05-28 | 2004-06-01 | Smith International, Inc. | Fixed blade fixed cutter hole opener |
CN201627535U (zh) * | 2010-03-05 | 2010-11-10 | 秦长江 | 二次扩孔抽放钻头 |
CN201943573U (zh) * | 2011-01-24 | 2011-08-24 | 王琪 | 新型钻孔用钻机 |
CN203129954U (zh) * | 2013-02-27 | 2013-08-14 | 北京加华维尔能源技术有限公司 | 一种改善井眼质量的扩眼装置 |
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Inventor after: Jia Housheng Inventor after: Wang Wei Inventor after: He Deyin Inventor after: Liu Shaowei Inventor after: Wang Guoli Inventor after: Yin Wenhuai Inventor after: Xie Kai Inventor after: Zhi Guanghui Inventor after: Yu Yaohua Inventor after: Fu Mengxiong Inventor after: Wang Luyao Inventor before: Jia Housheng Inventor before: Zhu Qiankun Inventor before: Fu Mengxiong Inventor before: Li Wenbin Inventor before: Luo Yafei |
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