摘要
分析了高转速螺旋钻孔施工中钻杆的断裂原因,并对钻杆结构进行了改进。改进后的螺旋钻杆达到了高转速螺旋钻孔工艺的性能要求,并在平舒煤矿得到了成功应用。
The paper analyzed the fracture causes of the high-speed helix drilling rod during operation, and improved its structure. Improved drilling rod met the performance requirements of high-speed helix drilling technology, and was successfully applied in Pingshu Colliery.
作者
张俞
ZHANG Yu(Chongqing Research Institute, China Coal Technology ＆ Engineering Group, Chongqing 400039, China National Key Laboratory of Gas Disaster Detecting, Preventing ＆ Emergency Controlling, Chongqing 400039, China)
出处
《矿山机械》
2017年第6期18-20,共3页
Mining & Processing Equipment
基金
"十三五"国家科技重大专项(2016ZX05043-005-003)
关键词
螺旋钻杆
断裂
结构改进
helix drilling rod
fracture
structural improvement
