【作者】 楼日新； 吴光琳；

【Author】 LOU Ri xin 1, WU Guang lin 2 (1.Chengdu Hydroelectric Investigation and Design Institute, State Power Company, Chengdu Sichuan 610072, China; 2.Chengdu University of Technology, Chengdu Sichuan 610059, China)

【机构】 四川准达岩土工程公司； 成都理工大学；

【摘要】 介绍了SDQ - 91型随钻测量定向取心钻具的特点、定向取心器的研制、随钻测量仪的选型与改进等。更多还原

【Abstract】 This paper briefly introduces the design of SDQ-91 directional coring apparatus, selection of SDQ-91 borehole measuring instrument and its improvement. The principle of the core drilling device and its structural characteristics, working principle of the magnetic ball directional inclinometer and its technical properties, design of non magnetic tube and shock eliminating device and measurement of the core directional parameters are also recounted.更多还原