CN102174900B - 一种基于预紧力的顶板位移监测装置 - Google Patents
一种基于预紧力的顶板位移监测装置 Download PDFInfo
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- CN102174900B CN102174900B CN 201110057812 CN201110057812A CN102174900B CN 102174900 B CN102174900 B CN 102174900B CN 201110057812 CN201110057812 CN 201110057812 CN 201110057812 A CN201110057812 A CN 201110057812A CN 102174900 B CN102174900 B CN 102174900B
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Application Number | Priority Date | Filing Date | Title |
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CN 201110057812 CN102174900B (zh) | 2011-03-08 | 2011-03-08 | 一种基于预紧力的顶板位移监测装置 |
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CN 201110057812 CN102174900B (zh) | 2011-03-08 | 2011-03-08 | 一种基于预紧力的顶板位移监测装置 |
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CN102174900A CN102174900A (zh) | 2011-09-07 |
CN102174900B true CN102174900B (zh) | 2013-03-27 |
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CN 201110057812 Expired - Fee Related CN102174900B (zh) | 2011-03-08 | 2011-03-08 | 一种基于预紧力的顶板位移监测装置 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103993911B (zh) * | 2014-05-21 | 2016-01-06 | 中国矿业大学 | 综合机械化充填采煤采空区顶板动态监测仪 |
CN104897380B (zh) * | 2015-04-09 | 2017-12-12 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | 共轨管限压阀偶件保压行程的检测装置和测量方法 |
CN111173732B (zh) * | 2019-12-31 | 2022-05-17 | 盐城世宏石油装备有限公司 | 一种电潜式螺杆泵 |
CN114916969B (zh) * | 2022-04-28 | 2023-04-25 | 哈尔滨医科大学 | 一种甲状腺手术皮瓣悬吊臂 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2007357664B2 (en) * | 2007-08-14 | 2011-03-03 | Battelle Memorial Institute | Miner acoustic communication and location system |
CN201210043Y (zh) * | 2008-06-17 | 2009-03-18 | 泰安市国华科技机电设备有限公司 | 矿用顶板位移监测仪 |
CN201233230Y (zh) * | 2008-06-20 | 2009-05-06 | 中国矿业大学 | 一种用于采煤工作面底板的位移测量器 |
CN101737082A (zh) * | 2008-11-07 | 2010-06-16 | 邢念泽 | 矿用顶板离层预警仪及测量方法 |
CN201628537U (zh) * | 2010-03-05 | 2010-11-10 | 山东科大中天电子有限公司 | 顶板位移监测仪 |
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