煤矿井下螺杆钻具常见失效形式的原因分析及对策

介绍了煤矿井下定向钻进系统中螺杆钻具的应用情况,通过对其常见失效形式和原因的分析,从螺杆钻具自身质量、钻进工艺及操作要求等方面进行分析和研究,提出了有效的预防及解决措施,对于孔内事故的处理提供了较好的预防方法,为提高螺杆钻具的使用寿命,保证煤矿井下钻孔施工的效率,达到高效瓦斯抽采的效果提供了良好的客观依据。

Reason Analysis and Solving Methods for the Common Failure Types of Drill Motor Used in Coal Mine

In this paper,the applications of drill motor for directional drilling machine underground mine coal are introduced.By analyzing the common failure types and reasons of drill motor,the authors researched its quality,drilling technology and operation requirements.And then some effective solving measures are proposed.The research results can provide the basis for improving the service life of screw rod,ensuring the operation efficiency of drilling hole underground mine coal and extracting gas effectively.