| 冲击回转碎岩机理试验研究 |
| 修订日期：2000-01-03 点此下载全文 |
| 引用本文：常玉军,殷琨.冲击回转碎岩机理试验研究[J].钻探工程,2001,(4):62-64.. Research on the Percussive Rotary Rock Fragmentation Mechanism[J]. Drilling Engineering, 2001,(4):62-64. |
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| 常玉军 殷琨 |
常玉军(青岛瑞源工程有限公司 山东青岛 266510)
殷琨(吉林大学建设工程学院 吉林长春 130026)
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| 基金项目:原地矿部科技开发项目(开9021) |
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| 中文摘要:在模拟孔底冲击回转钻进条件的试验台上,对岩石的冲击回转碎岩机理进行了试验研究,提出了大直径潜孔钻头的合理布齿及钻进参数选择依据. |
| 中文关键词:冲击回转 大直径嵌岩孔 潜孔锤 钻头 球齿硬质合金 最优冲击间隔 钻压 |
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| Research on the Percussive Rotary Rock Fragmentation Mechanism |
| CHANG Yu-jun |
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| Abstract:Laboratory research on the percussive rotary rock fragmentation mechanism have been carried out on the down hole percussive rotary testing bench which simulated the real down-hole situations. The basis for DTH hammer bit insert arrangement and drilling parameter selection presented. |
| keywords:percussive rotary,large diameter rock socket,DTH hammer,tungsten carbide button,optimum percussive interval,bit pressure, |
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