CN104879145B - 一种机械式可伸长并恒阻可缩高强度单体支柱 - Google Patents
一种机械式可伸长并恒阻可缩高强度单体支柱 Download PDFInfo
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CN106285739A (zh) * | 2016-11-03 | 2017-01-04 | 江苏中矿立兴能源科技有限公司 | 一种可减压卸载式单体支柱底座机构 |
CN106499421B (zh) * | 2016-11-03 | 2019-01-08 | 中国矿业大学 | 一种机械式恒阻单体支柱回撤工艺与回收方法 |
CN106368724A (zh) * | 2016-11-03 | 2017-02-01 | 中国矿业大学 | 一种机械式恒阻单体支柱预紧装置与方法 |
CN106285737A (zh) * | 2016-11-03 | 2017-01-04 | 江苏中矿立兴能源科技有限公司 | 一种新型机械式可调恒阻可压缩单体支柱 |
CN106323188A (zh) * | 2016-11-03 | 2017-01-11 | 江苏中矿立兴能源科技有限公司 | 一种机械式恒阻单体支柱形变监测装置 |
CN106499420B (zh) * | 2016-11-03 | 2019-02-15 | 中国矿业大学 | 一种机械式高恒阻单体支柱安装方法及支设方法 |
CN108756950A (zh) * | 2018-07-03 | 2018-11-06 | 中国矿业大学 | 一种基于高恒阻机械式单体支架耦合支护结构及施工方法 |
CN109098738B (zh) * | 2018-09-20 | 2019-10-22 | 山东科技大学 | 一种煤层巷道两帮变形液压支护装置及其实现方法 |
CN110030024A (zh) * | 2019-03-29 | 2019-07-19 | 华北水利水电大学 | 恒阻可缩的柔性支护装置及切顶沿空留巷挡矸支护系统 |
CN109944615A (zh) * | 2019-04-18 | 2019-06-28 | 东北大学 | 一种井下支护用人工矿柱及架设方法 |
CN110578538B (zh) * | 2019-09-26 | 2020-11-06 | 东北大学 | 一种采场支护用预应力柔性抗震支柱及其架设方法 |
CN115416295A (zh) * | 2022-01-17 | 2022-12-02 | 许昌学院 | 一种3d打印机喷头校准设备 |
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FR426569A (fr) * | 1910-02-26 | 1911-07-10 | Otto Gruenewald | Montant en plusieurs pièces pour boisage de mines |
GB651556A (en) * | 1948-06-29 | 1951-04-04 | Atlas Stone Company Ltd | Improved device for gripping a rod |
AU542884B2 (en) * | 1980-07-31 | 1985-03-21 | Dipl.Ing. Dr. Mont. Franz Powondra | Resilient yieldable device |
DE29507774U1 (de) * | 1995-04-20 | 1995-08-24 | Kolk, Theodor, 45721 Haltern | Ausbaustütze für den untertägigen Berg- oder Tunnelbau |
US7914238B2 (en) * | 2004-09-20 | 2011-03-29 | Anthony John Spencer Spearing | Free standing support |
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Effective date of registration: 20191217 Address after: Quanshan District China University of Mining and Technology east city of Xuzhou province Jiangsu 221000 dormitory building 29, unit 2, Room 501 Patentee after: Tang Huiying Address before: 221116 Jiangsu city of Xuzhou province science and Technology Park Mine Quanshan technology building, South Building Room 406 Patentee before: Jiangsu CMLX Energy Technology Co.,Ltd. |
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