排齿间距对镶齿滚刀破岩效果影响试验研究  

Experimental study on the effect of tooth row space of inserted tooth hob on rock breaking

作　　者：邵方源 刘志强 

机构地区：[1]天地科技建井研究院,北京市朝阳区100013 [2]北京中煤矿山工程有限公司,北京市朝阳区100013 [3]煤矿深井建设技术国家工程实验室,北京市朝阳区100013

出　　处：《中国煤炭》2016年第7期59-62,共4页China Coal

基　　金：国家高技术研究发展计划(863计划)资助项目(2012AA06A403)

摘　　要：镶齿滚刀的破岩效率是影响反井钻机钻进速度的关键因素,对反井钻机在坚硬岩石中的破岩过程进行了研究,介绍了镶齿滚刀的破岩机理,阐述了镶齿滚刀的试验设计及过程,最后对试验现象进行了分析。通过对破岩数据的整理和分析,得出了岩石表面的平整度对镶齿滚刀的单齿压入效果有显著影响,提出了针对此类岩石或同等硬度岩石破岩效率最高的多排镶齿滚刀的排齿间距值。Rock breaking efficiency of inserted tooth hob was a key factor in improving the drilling rate of raise boring machine. A study on raise boring machine＇s rock breaking process through hard rock was carried on, the rock breaking mechanism of inserted tooth hob was introduced, and the experiment design and process of inserted tooth hob were elaborated, then the experiment phenomena were analyzed. Through analyzing the rock breaking data, the results showed that surface evenness of rocks had obvious effects on press-in process of single-tooth of inserted tooth hob, based on this, the best tooth row space value which could achieve highest rock breaking efficiency on this kind of rock or equivalent hardness rock was put forward.

关 键 词：反井钻机 镶齿滚刀 排齿间距 比能 

分 类 号：TD421.53[矿业工程—矿山机电]