GB1414256A - Mine roof support beams - Google Patents
Mine roof support beamsInfo
- Publication number
- GB1414256A GB1414256A GB643673A GB643673A GB1414256A GB 1414256 A GB1414256 A GB 1414256A GB 643673 A GB643673 A GB 643673A GB 643673 A GB643673 A GB 643673A GB 1414256 A GB1414256 A GB 1414256A
- Authority
- GB
- United Kingdom
- Prior art keywords
- canopy
- roof
- roof support
- mine roof
- support beams
- 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
Links
- 239000003245 coal Substances 0.000 abstract 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- 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
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
Abstract
1414256 Roof beams for advancing supports COAL INDUSTRY (PATENTS) Ltd 6 Feb 1974 [9 Feb 1973] 6436/73 Heading E1P A roof beam 10 for an advancing mine roof support is provided with a resilient canopy 12 surmounted by runners 14 adapted to slide along the roof during advance. The canopy 12 may be made of conveyor belting be secured by belts 13 and overlie the goaf shield 7. Holes are provided in the canopy 12 to accommodate cantilever extensions 11 and each runner has a hook at its leading end to engage the beam 10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB643673A GB1414256A (en) | 1973-02-09 | 1973-02-09 | Mine roof support beams |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB643673A GB1414256A (en) | 1973-02-09 | 1973-02-09 | Mine roof support beams |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1414256A true GB1414256A (en) | 1975-11-19 |
Family
ID=9814449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB643673A Expired GB1414256A (en) | 1973-02-09 | 1973-02-09 | Mine roof support beams |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1414256A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2370165A1 (en) * | 1976-11-05 | 1978-06-02 | Kalk Chemische Fabrik Gmbh | PROCEDURE FOR TRIMING THE ROOF IN WORK-SUPPORTED COAL FELLING SITES |
US4099785A (en) * | 1975-06-11 | 1978-07-11 | Karl Maria Groetschel | Method and apparatus for supporting the roof of an underground mine working |
DE3120867A1 (en) * | 1981-05-26 | 1982-12-16 | Johannes 4300 Essen Winkler | Extendable front cantilever for hydraulic self-advancing support assemblies |
CN103670475A (en) * | 2013-12-04 | 2014-03-26 | 郑州煤矿机械集团股份有限公司 | Flexible guarding protection-assisting device for hydraulic support |
CN103924997A (en) * | 2013-01-11 | 2014-07-16 | 王新丰 | Rolling moving method of hydraulic bracket |
CN106907171A (en) * | 2017-05-11 | 2017-06-30 | 安徽科信矿山机械制造有限公司 | Protector between a kind of mine hydraulic support neighbour frame |
CN108798737A (en) * | 2018-08-27 | 2018-11-13 | 邓立杰 | A kind of movable outstanding shield bone plate supporting construction in tunnel |
CN109184697A (en) * | 2018-10-26 | 2019-01-11 | 刘刚 | Mobile frame is adopted in a kind of hole |
CN109838265A (en) * | 2019-03-18 | 2019-06-04 | 中国矿业大学 | The device of top plate pallet is protected when a kind of gob side entry retaining face end support migrates |
-
1973
- 1973-02-09 GB GB643673A patent/GB1414256A/en not_active Expired
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4099785A (en) * | 1975-06-11 | 1978-07-11 | Karl Maria Groetschel | Method and apparatus for supporting the roof of an underground mine working |
FR2370165A1 (en) * | 1976-11-05 | 1978-06-02 | Kalk Chemische Fabrik Gmbh | PROCEDURE FOR TRIMING THE ROOF IN WORK-SUPPORTED COAL FELLING SITES |
US4190292A (en) * | 1976-11-05 | 1980-02-26 | Chemische Fabrik Kalk Gmbh | Process for suppressing dust in mines |
DE3120867A1 (en) * | 1981-05-26 | 1982-12-16 | Johannes 4300 Essen Winkler | Extendable front cantilever for hydraulic self-advancing support assemblies |
CN103924997A (en) * | 2013-01-11 | 2014-07-16 | 王新丰 | Rolling moving method of hydraulic bracket |
CN103670475A (en) * | 2013-12-04 | 2014-03-26 | 郑州煤矿机械集团股份有限公司 | Flexible guarding protection-assisting device for hydraulic support |
CN106907171A (en) * | 2017-05-11 | 2017-06-30 | 安徽科信矿山机械制造有限公司 | Protector between a kind of mine hydraulic support neighbour frame |
CN108798737A (en) * | 2018-08-27 | 2018-11-13 | 邓立杰 | A kind of movable outstanding shield bone plate supporting construction in tunnel |
CN108798737B (en) * | 2018-08-27 | 2023-09-12 | 邓立杰 | Movable suspension bone plate supporting structure for roadway |
CN109184697A (en) * | 2018-10-26 | 2019-01-11 | 刘刚 | Mobile frame is adopted in a kind of hole |
CN109838265A (en) * | 2019-03-18 | 2019-06-04 | 中国矿业大学 | The device of top plate pallet is protected when a kind of gob side entry retaining face end support migrates |
CN109838265B (en) * | 2019-03-18 | 2024-04-02 | 中国矿业大学 | Device for protecting roof tray during migration of gob-side entry retaining end bracket |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |