CN104314595B - 一种支架上用液压驱动的伸缩与翻转组合机构 - Google Patents
一种支架上用液压驱动的伸缩与翻转组合机构 Download PDFInfo
- Publication number
- CN104314595B CN104314595B CN201410508592.8A CN201410508592A CN104314595B CN 104314595 B CN104314595 B CN 104314595B CN 201410508592 A CN201410508592 A CN 201410508592A CN 104314595 B CN104314595 B CN 104314595B
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- China
- Prior art keywords
- back timber
- hydraulic
- flip beam
- timber case
- flexible
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 15
- 238000005065 mining Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 206010038743 Restlessness Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Actuator (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410508592.8A CN104314595B (zh) | 2014-09-28 | 2014-09-28 | 一种支架上用液压驱动的伸缩与翻转组合机构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410508592.8A CN104314595B (zh) | 2014-09-28 | 2014-09-28 | 一种支架上用液压驱动的伸缩与翻转组合机构 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104314595A CN104314595A (zh) | 2015-01-28 |
CN104314595B true CN104314595B (zh) | 2017-08-04 |
Family
ID=52369890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410508592.8A Expired - Fee Related CN104314595B (zh) | 2014-09-28 | 2014-09-28 | 一种支架上用液压驱动的伸缩与翻转组合机构 |
Country Status (1)
Country | Link |
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CN (1) | CN104314595B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN211795265U (zh) * | 2019-01-28 | 2020-10-30 | 欧蒙医学诊断(中国)有限公司 | 一种tip头盒定位机构及仪器 |
CN109989402A (zh) * | 2019-05-17 | 2019-07-09 | 华电重工股份有限公司 | 一种抱桩系统 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202005007257U1 (de) * | 2005-05-03 | 2005-07-07 | Maschinenfabrik Glückauf GmbH & Co. KG | Ausbaugestell für eine untertägige Strecke |
CN101105136A (zh) * | 2007-08-10 | 2008-01-16 | 郑州煤矿机械集团有限责任公司 | 四柱支撑掩护式低位放顶煤支架 |
CN101457652B (zh) * | 2008-05-13 | 2010-12-08 | 天地科技股份有限公司 | 一种超大采高液压支架 |
CN101435336A (zh) * | 2008-12-16 | 2009-05-20 | 郑州煤矿机械集团股份有限公司 | 液压支架三级护帮机构 |
CN204175326U (zh) * | 2014-09-28 | 2015-02-25 | 北京诚田恒业煤矿设备有限公司 | 一种支架上用液压驱动的伸缩与翻转组合机构 |
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2014
- 2014-09-28 CN CN201410508592.8A patent/CN104314595B/zh not_active Expired - Fee Related
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CN104314595A (zh) | 2015-01-28 |
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TR01 | Transfer of patent right |
Effective date of registration: 20180425 Address after: 102308 9, 3 building, 20 Yongan Road, Shilong Economic Development Zone, Mentougou, Beijing. Co-patentee after: HEBEI CHENGTIAN HENGYE COAL MINE EQUIPMENT Co.,Ltd. Patentee after: Beijing Chengtian-Hengye Colliery Equipment Co.,Ltd. Address before: 102308 9 floor, 3 floor, 20 Yongan Road, Shilong Economic Development Zone, Mentougou, Beijing. Patentee before: Beijing Chengtian-Hengye Colliery Equipment Co.,Ltd. |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20210928 |
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CF01 | Termination of patent right due to non-payment of annual fee |