CN110821568B - 一种地下工程用岩层四向位移报警系统 - Google Patents
一种地下工程用岩层四向位移报警系统 Download PDFInfo
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- CN110821568B CN110821568B CN201911138766.5A CN201911138766A CN110821568B CN 110821568 B CN110821568 B CN 110821568B CN 201911138766 A CN201911138766 A CN 201911138766A CN 110821568 B CN110821568 B CN 110821568B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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CN110821568A CN110821568A (zh) | 2020-02-21 |
CN110821568B true CN110821568B (zh) | 2021-03-09 |
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CN111815923A (zh) * | 2020-07-14 | 2020-10-23 | 徐连军 | 一种机械警报器 |
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CA2470172A1 (en) * | 2001-12-31 | 2003-08-21 | Carl B. Sunderman | Instrumented rock bolt, data logger and user interface system |
CN104775413B (zh) * | 2015-03-25 | 2016-06-08 | 浙江科技学院 | 一种用于软土复合地层的伞形阶梯式多点位移计锚头 |
CN205477757U (zh) * | 2016-04-07 | 2016-08-17 | 焦美举 | 信号柱空区压力位移监测报警系统 |
CN106351696B (zh) * | 2016-11-07 | 2018-06-29 | 武汉科技大学 | 一种巷道顶板变形预警装置 |
CN206818128U (zh) * | 2017-01-09 | 2017-12-29 | 中国矿业大学(北京) | 一种巷道顶底板与两帮变形同时快速测量装置 |
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Inventor after: Luo Yongzhong Inventor after: Zhou Jun Inventor after: Huang Xiangchun Inventor after: Tian Peihu Inventor after: Zhang Yan Inventor after: Che Zhimin Inventor before: Che Zhimin |
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Effective date of registration: 20210220 Address after: Floor 9, 11 and 12, building 1, No. 688, middle section of Tianfu Avenue, high tech Zone, Chengdu, Sichuan 610017 Applicant after: Sichuan Chuanjian survey and Design Institute Co.,Ltd. Address before: 450000 new campus of Zhengzhou University, No.100, science Avenue, high tech Development Zone, Zhengzhou City, Henan Province Applicant before: Che Zhimin |
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