CN111287781A - 煤矿井下薄煤层液压支架拆卸装备 - Google Patents
煤矿井下薄煤层液压支架拆卸装备 Download PDFInfo
- Publication number
- CN111287781A CN111287781A CN202010295008.0A CN202010295008A CN111287781A CN 111287781 A CN111287781 A CN 111287781A CN 202010295008 A CN202010295008 A CN 202010295008A CN 111287781 A CN111287781 A CN 111287781A
- Authority
- CN
- China
- Prior art keywords
- traction
- hydraulic support
- coal seam
- installation seat
- thin coal
- 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.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005065 mining Methods 0.000 abstract description 9
- 241001125877 Gobio gobio Species 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010295008.0A CN111287781A (zh) | 2020-04-15 | 2020-04-15 | 煤矿井下薄煤层液压支架拆卸装备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010295008.0A CN111287781A (zh) | 2020-04-15 | 2020-04-15 | 煤矿井下薄煤层液压支架拆卸装备 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111287781A true CN111287781A (zh) | 2020-06-16 |
Family
ID=71019671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202010295008.0A Pending CN111287781A (zh) | 2020-04-15 | 2020-04-15 | 煤矿井下薄煤层液压支架拆卸装备 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111287781A (zh) |
-
2020
- 2020-04-15 CN CN202010295008.0A patent/CN111287781A/zh active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201326382Y (zh) | 本煤层瓦斯抽放用液压防突钻机 | |
CN107386244B (zh) | 桁架式液压插销升降装置 | |
CN211900670U (zh) | 煤矿井下薄煤层液压支架拆卸装备 | |
CN201495051U (zh) | 平头式塔机用吊臂 | |
CN111287781A (zh) | 煤矿井下薄煤层液压支架拆卸装备 | |
CN110513048A (zh) | 一种自动变径扩孔钻头结构 | |
CN104594206A (zh) | 一种钢桁梁纵移吊挂式拖拉锚座及方法 | |
CN101357743A (zh) | 动臂变幅起重机的吊钩换倍率机构 | |
CN109678070B (zh) | 一种动臂塔式起重机移动配重实现机构 | |
CN201679005U (zh) | 拔钎器 | |
CN201080812Y (zh) | 节能链条抽油机 | |
CN113047797B (zh) | 一种钻具及具有该钻具的岩土取芯设备 | |
CN202578562U (zh) | 钻机提升装置 | |
CN204852605U (zh) | 顶杆装置 | |
CN200992473Y (zh) | 撬装钻机整体移运装置 | |
CN202730818U (zh) | 一种安装于挖掘装载机上的架棚机构 | |
CN209179792U (zh) | 一种液压支架销轴拆卸装置 | |
CN208913516U (zh) | 一种液压支架用拔销器 | |
CN201922234U (zh) | 一种销轴起拔器 | |
CN206038199U (zh) | 一种绞车用静载测试装置 | |
CN214069531U (zh) | 电缆/管路承载设备 | |
CN204919525U (zh) | 一种强夯机及其组合式顶臂架结构 | |
CN203819097U (zh) | 曲柄滑块式自装卸装置 | |
CN201458680U (zh) | 一种油缸与钢绳、滑轮配合的升降装置 | |
CN203035083U (zh) | 一种无绷绳电动修井机 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Liang Inventor after: Gu Biao Inventor after: Jiang Xianwei Inventor after: Zhou Mingchang Inventor after: Chen Fei Inventor after: Peng Gaolin Inventor after: Su Yong Inventor after: Long Xiaowei Inventor before: Gu Biao Inventor before: Jiang Xianwei Inventor before: Zhou Mingchang Inventor before: Chen Fei Inventor before: Peng Gaolin Inventor before: Su Yong Inventor before: Long Xiaowei |
|
CB03 | Change of inventor or designer information | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |