CN207741689U - 一种煤矿巷道顶底板变形量监测装置 - Google Patents
一种煤矿巷道顶底板变形量监测装置 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109798818A (zh) * | 2019-03-22 | 2019-05-24 | 中国矿业大学 | 一种机械式巷道围岩位移测量装置及其工作方法 |
CN110470273A (zh) * | 2019-09-19 | 2019-11-19 | 河南理工大学 | 一种基于压力差的巷道顶板下沉量测量球监测方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109798818A (zh) * | 2019-03-22 | 2019-05-24 | 中国矿业大学 | 一种机械式巷道围岩位移测量装置及其工作方法 |
CN110470273A (zh) * | 2019-09-19 | 2019-11-19 | 河南理工大学 | 一种基于压力差的巷道顶板下沉量测量球监测方法 |
CN110470273B (zh) * | 2019-09-19 | 2021-07-09 | 河南理工大学 | 一种基于压力差的巷道顶板下沉量测量球监测方法 |
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Effective date of registration: 20210926 Address after: 201515 floor 4, building 5, No. 168, Lane 6495, Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai (Metalworking economic community) Patentee after: Shanghai Shiqiao Technical Service Center Address before: 201515 block 333, block 3, 1 building, 688 Qiushi Road, Jinshan Town, Jinshan District, Shanghai, F Patentee before: SHANGHAI YONGYUE INFORMATION TECHNOLOGY SERVICE CENTER |
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Effective date of registration: 20230315 Address after: 271000 west section of North Tianmen street, hi tech Zone, Tai'an, Shandong Patentee after: SHANDONG KEDA ZHONGTIAN SAFETY AND CONTROL TECHNOLOGY Co.,Ltd. Address before: 201515 floor 4, building 5, No. 168, Lane 6495, Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai (Metalworking economic community) Patentee before: Shanghai Shiqiao Technical Service Center |