立轴式岩心钻机转速检测方法的改进  

Improvement of the Vertical Spindle Speed Detecting Method for Vertical Spindle-type Core Drill

作　　者：尹崧宇[1] 赵大军[1] 郭威[1] 孙友宏[1] 刘华南[1] 孙梓航[1] 

机构地区：[1]吉林大学建设工程学院,吉林长春130026

出　　处：《探矿工程（岩土钻掘工程）》2013年第12期32-35,共4页Exploration Engineering:Rock & Soil Drilling and Tunneling

基　　金：中国地质调查局项目"漠河盆地冻土区天然气水合物科学钻探"(GZHL20110320;GZHL20110326)

摘　　要：立轴式岩心钻机是岩心钻探工程中应用最广泛的钻机。对立轴式岩心钻机转速检测方法进行改进,并且研制了以传感器、计数器模块和采集机为核心的钻机转速检测系统。对转速检测系统中的计数器模块进行优化设计,提高了转速测量的准确性。经漠河盆地天然气水合物钻探试验井的应用,系统工作准确可靠,满足使用要求。Spindle-type core drill is the most popular drill in geological core drilling engineering.This article presents the improvement of the vertical spindle speed detecting method for spindle-type core drill and introduces the development of speed detecting system based on the key technologies of the sensor, counter module and acquisition machine.The counter module design is optimized to improve the accuracy of the speed measurement.The system has been examined by the NGH drilling program in Mohe, which can surely meet the requirement.

关 键 词：立轴式岩心钻机 转速 检测 计数器 

分 类 号：P634.3[天文地球—地质矿产勘探]