| 地下牙轮穿孔技术在我国的发展概况及前景 |
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| 引用本文： | 邓和平. 地下牙轮穿孔技术在我国的发展概况及前景[J]. 矿业研究与开发, 1999, 19(4): 30-32 |
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| 作者姓名： | 邓和平 |
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| 作者单位： | 长沙矿山研究院 |
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| 摘 要： | 我国牙轮钻机的发展经历了一段艰苦创业的过程，本文论述了科技工作者从解决钻孔偏斜问题出发，进行了广泛而深入的调研、论证，进而研制出ＫＹ－１２０型，ＫＹ－１７０型牙轮钻头和相应的钻具，既满足了新兴的大直径深孔采矿法凿岩的需要，又开辟了自上而下挖孔的先河。
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| 关 键 词： | 牙轮钻机 钻具 钻孔 扩孔 矿用 发展前景 |
General Development and Prospects of Underground Rotary Drilling Technology in China |
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| Deng Heping. General Development and Prospects of Underground Rotary Drilling Technology in China[J]. Mining Research and Development, 1999, 19(4): 30-32 |
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| Authors: | Deng Heping |
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| Abstract: | The development of rotary drill has experienced a course of hardly pioneering work. Proceeding from solving the problem of hole deviation, the science and technical workers has made wide and deep investigations and demonstrations, and then developed model KY120 and KY170 rotary bits and their drilling strings. These drills not only meet the requirements of drilling in new largediameter longhole stoping, but also open up a new way to expanding hole from top to bottom. |
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| Keywords: | Underground rotary drill Drilling string Drill hole Expanding hole |
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