CN204386632U - The artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility - Google Patents
The artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility Download PDFInfo
- Publication number
- CN204386632U CN204386632U CN201420839716.6U CN201420839716U CN204386632U CN 204386632 U CN204386632 U CN 204386632U CN 201420839716 U CN201420839716 U CN 201420839716U CN 204386632 U CN204386632 U CN 204386632U
- Authority
- CN
- China
- Prior art keywords
- base plate
- coal
- face
- back timber
- anchor
- 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
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model is the artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility, artificial base plate is arranged on coal-face base plate, wherein base plate anchor net laying is located on coal-face base plate, base plate anchor keeps flat bottom girder on the net, bottom girder is parallel with coal-face, baseboard anchor cable is arranged in coal-face floor strata, and the termination of baseboard anchor cable is connected with base plate anchor net and bottom girder.Man-made False is arranged on the leakage top place of coal-face top board, wherein roofbolt is arranged in the rock stratum of coal-face top board, back timber hangs over roofbolt tail end and parallel with coal-face, and back timber is laid top board anchor net, and plancon is supported on Lou between top place top rock mass and back timber.Also be provided with individual prop back timber is supported.Adopt the utility model to enable hydraulic support be smoothly through safely Lou Ding district, hydraulic support can not occur and incline and problem of the sliding end.The utility model can reduce coal-face removal of home number of times, saves labour cost and many recovery structural belt coal.
Description
Technical field
The utility model is coal mining facility.
Background technology
Geological structural belt is Geological Structural Forms common in the mining operation of colliery, geological structural belt is run in the progradation of coal-face, seam inclination can be caused sharply to change, because this kind of geology band is weak stratum, the top board of coal-face is made to occur Lou Ding district, namely there is weak stratum in top board, very easily be caving, great Influence of production and security threat is brought to coal-face, especially mining steeply dipping coal seam is prominent meets macrostructure band, under prior art conditions, often in order to ensure back production safety, often take face moving, the mode of again digging open-off cut or local work " cutting eye " crosses structural belt, coal resources are caused to lose in a large number, the rate of extraction is caused to reduce, excavation replacement is lacked of proper care, cost of ton coal is caused to increase, reduce productivity effect.
Occur large-scale fold at coal-face, seam inclination can be caused to change greatly, and the degree of crushing of coal-face top board and coal-face base plate increases, and coal-face base plate is soft, and the sliding end is serious; Due in the recovery process of inclined seam, the hydraulic support that coal-face is arranged is along with seam inclination is laid, so hydraulic support itself is all in heeling condition, if the out-of-flatness of coal-face top board base plate, very easily cause to be supported on the hydraulic support between top board and base plate crooked, the actual support capacity of hydraulic support is reduced, move and drive difficulty, cause roof fall in various degree above support, roof control difficulty, safe pressure increases.Meanwhile, the ground of a large amount of roof cavings and spoil can be mixed in the coal of extraction, cause Coal Quality to reduce.If in the coal seam of high inclination-angle, the problems referred to above will be more serious.
So, when running into large-scale fold in large-inclination-angle coal bed coal work, need a kind of difficult problem that can efficiently solve roof of coal face inbreak and move frame, improve to combine and adopt efficiency, ensure that the coal-mining technique of the advance to perfect order of work plane.
Utility model content
In order to solve the problem, the utility model provides the artificial base plate of a kind of large-inclination-angle coal bed roof cracking band and false top facility.Solve the problem in the leakage top place hydraulic moving stand difficulty of coal-face.
The utility model is arranged on coal-face, comprises artificial base plate and Man-made False.Described artificial base plate is arranged on coal-face base plate 2, be made up of base plate anchor net, bottom girder 3, base plate anchor pole 1, base plate anchor net laying is located on coal-face base plate 2, base plate anchor keeps flat bottom girder 3 on the net, bottom girder is parallel with coal-face, baseboard anchor cable 1 is arranged in coal-face floor strata, and the termination of baseboard anchor cable is connected with base plate anchor net and bottom girder.
9 places are pushed up in the leakage that described Man-made False is arranged on coal-face top board, be made up of back timber 5, top board anchor net 10, roofbolt 7, plancon 8, roofbolt is arranged in the rock stratum of coal-face top board, back timber hangs over roofbolt tail end and parallel with coal-face, back timber is laid top board anchor net 10, and plancon 8 is supported on Lou between top place top rock mass and back timber 5.Between coal-face base plate and back timber, be also provided with individual prop 4 back timber is supported.
The artificial base plate of large-inclination-angle coal bed roof cracking band as above and false top facility, illustrate further into, top board is provided with more than three back timbers, base plate is provided with more than three bottom girders.
The artificial base plate of large-inclination-angle coal bed roof cracking band as above and false top facility, illustrate further into, the also row's of being provided with bavin 6 on top board anchor, described row's bavin is semicircle pin, and across between two back timbers, plancon 8 is formed by pin pile.
Beneficial effect:
In large-inclination-angle coal bed recovery process, adopt technological facilities of the present utility model, hydraulic support can be smoothly through safely Lou Ding district, hydraulic support can not occur and incline and problem of the sliding end.When the generation leakage top initial stage, implement the making of Man-made False at once, can produce immediately after carrying out, by leakage top accident control in original state, avoid the expansion of Lou pushing up situation, shorten the influence time of Lou useful event widely.
The utility model can reduce coal-face removal of home number of times, saves labour cost and many recovery structural belt coal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model Man-made False structural representation.
Fig. 3 is utility model works schematic diagram.
Detailed description of the invention
The utility model is implemented as above.
The utility model embodiment mining environment is as follows: coal-face strike length 505m, tendency length 75m, seam inclination 32
0~ 45
0.
Coal seam immediate roof is shape thickness argillaceous siltstoue in grey, thick 8.69m; The direct end is grey medium bed siltstone matter mud stone, thick 1.10m; Past is coarse quartz grain sandstone in grey thick-layer shape, thick 22.42m.Work plane adopts and moves towards longwell retrusive comprehensive mechanized coal mining method.The large-scale fold run into its pitch to being 113 °, angle of pitch is 8 °, and fold wheelbase is 5.3m to 7.6m, big rise and fall.Cause top board and base plate degree of fragmentation to increase, roof caving is higher.
The utility model is adopted to construct out artificial base plate and Man-made False.Wherein Man-made False construction arranges as follows:
First the hydraulic support 11 of having toppled over first is supported with monomer is auxiliary during construction Man-made False, do not allow it slip again.
Then in the centre of hydraulic support 11 tip to face distance, one row's individual prop and top board anchor cable are set along incline direction; Individual prop array pitch 0.8m, post is apart from 0.4m; Top board anchor cable array pitch 2m, spacing is 3m.Meanwhile, at employing individual prop supporting top beam, and coordinate top board anchor cable to carry out supporting, when preventing from trying to stop people from fighting each other, back timber pushes rollover, makes back timber lower plane suitable, so that hydraulic support 11 slides on back timber.
After the good back timber of frame, above back timber, " well " font plancon on Lou Ding district internal frame, row's bavin carry out connecing topmast and protect, and allow the position on the empty top of institute effectively connect topmast and protect, solution hydraulic support does not connect top, the problem that can not effectively try to stop people from fighting each other.
Artificial base plate is as follows: after accomplishing fluently base plate anchor pole and base plate anchor net, lay 3 foundation beams by spacing 0.5m.
Coal face hydraulic support 11 arranges by number, as: first, the second frame, the 3rd frame, by that analogy, in mobile hydraulic support process, adopt interval to move the method for frame, namely first move the second frame, 4th frame, the 6th frame, by the second frame, 4th frame, behind 6th bridge joint top, then move first, the 3rd frame, 5th frame, carries out connecing top.
Above-mentioned is the explanation of the utility model examination example, does not represent the utility model protection domain.
Claims (4)
1. the artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility, be arranged on coal-face, it is characterized in that, comprise artificial base plate and Man-made False; Described artificial base plate is arranged on coal-face base plate (2), be made up of base plate anchor net, bottom girder (3), base plate anchor pole (1), base plate anchor net laying is located on coal-face base plate (2), base plate anchor keeps flat bottom girder (3) on the net, bottom girder is parallel with coal-face, baseboard anchor cable (1) is arranged in coal-face floor strata, and the termination of baseboard anchor cable is connected with base plate anchor net and bottom girder;
Described Man-made False is arranged on leakage top (9) place of coal-face top board, be made up of back timber (5), top board anchor net (10), roofbolt (7), plancon (8), roofbolt is arranged in the rock stratum of coal-face top board, back timber hangs over roofbolt tail end and parallel with coal-face, back timber is laid top board anchor net (10), and plancon (8) is supported on Lou between top place top rock mass and back timber (5); Between coal-face base plate and back timber, be also provided with individual prop (4) back timber is supported.
2. the artificial base plate of large-inclination-angle coal bed roof cracking band as claimed in claim 1 and false top facility, is characterized in that, top board is provided with more than three back timbers, base plate is provided with more than three bottom girders.
3. the artificial base plate of large-inclination-angle coal bed roof cracking band as claimed in claim 1 and false top facility, is characterized in that, the also row's of being provided with bavin (6) on top board anchor, described row's bavin is semicircle pin, across between two back timbers.
4. the artificial base plate of large-inclination-angle coal bed roof cracking band as claimed in claim 1 and false top facility, it is characterized in that, described plancon (8) is formed by pin pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839716.6U CN204386632U (en) | 2014-12-26 | 2014-12-26 | The artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420839716.6U CN204386632U (en) | 2014-12-26 | 2014-12-26 | The artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204386632U true CN204386632U (en) | 2015-06-10 |
Family
ID=53359363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420839716.6U Expired - Fee Related CN204386632U (en) | 2014-12-26 | 2014-12-26 | The artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204386632U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481346A (en) * | 2016-12-16 | 2017-03-08 | 中国神华能源股份有限公司 | A kind of fully-mechanized mining working back production is by the method in empty lane |
| CN106593497A (en) * | 2016-12-23 | 2017-04-26 | 济宁矿业集团有限公司霄云煤矿 | Supporting treatment method for coal working face when passing through top-coal caving region of gateway |
| CN109339831A (en) * | 2018-09-28 | 2019-02-15 | 淮南矿业(集团)有限责任公司 | A kind of crossheading big cross section freeboard section connects top method and connects top |
| CN109763861A (en) * | 2019-01-16 | 2019-05-17 | 中国矿业大学 | One kind cutting intraocular fault belt treatment of roof collapse method |
| CN110259507A (en) * | 2019-06-28 | 2019-09-20 | 山东新巨龙能源有限责任公司 | A kind of underground Anomalistic space placement method and foamed cement production method |
-
2014
- 2014-12-26 CN CN201420839716.6U patent/CN204386632U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106481346A (en) * | 2016-12-16 | 2017-03-08 | 中国神华能源股份有限公司 | A kind of fully-mechanized mining working back production is by the method in empty lane |
| CN106593497A (en) * | 2016-12-23 | 2017-04-26 | 济宁矿业集团有限公司霄云煤矿 | Supporting treatment method for coal working face when passing through top-coal caving region of gateway |
| CN106593497B (en) * | 2016-12-23 | 2018-08-07 | 济宁矿业集团有限公司霄云煤矿 | A kind of coal working face crosses crossheading caving place supporting processing method |
| CN109339831A (en) * | 2018-09-28 | 2019-02-15 | 淮南矿业(集团)有限责任公司 | A kind of crossheading big cross section freeboard section connects top method and connects top |
| CN109763861A (en) * | 2019-01-16 | 2019-05-17 | 中国矿业大学 | One kind cutting intraocular fault belt treatment of roof collapse method |
| CN110259507A (en) * | 2019-06-28 | 2019-09-20 | 山东新巨龙能源有限责任公司 | A kind of underground Anomalistic space placement method and foamed cement production method |
| CN110259507B (en) * | 2019-06-28 | 2021-08-10 | 山东新巨龙能源有限责任公司 | Underground irregular space filling method and foamed cement manufacturing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204386632U (en) | The artificial base plate of large-inclination-angle coal bed roof cracking band and false top facility | |
| CN102966354B (en) | Non-pillar mining method for hard roof coal wall of thick coal seam | |
| CN110985058B (en) | Grouting reinforcement method for fault fracture zone of coal face | |
| CN104847355B (en) | Continuous mining method for hollow ground of medium-thickness steeply inclined ore body | |
| CN103061771B (en) | Second mining mine fully mechanized coal face cuts eye driving and supporting method thereof | |
| CN104712358A (en) | Coal seam group with high gas content pressure relief and co-mining method based on gob-side entry retaining of working face of first mining total rock pressure relief | |
| CN104632219A (en) | Large mining height gob-side entry retaining method for thick coal seams | |
| CN104100271B (en) | Pre-pick is led cave filling artificial side secondary multiplexing roadside support and is become lane method | |
| CN105649635B (en) | A kind of disaster type tunnelling method in goaf | |
| AU2021106168A4 (en) | High-gas Coal Seam Group Pressure Relief Mining Method Based on Gob-side Entry Retaining in the First Mining Whole Rock Pressure Relief Working Face | |
| CN105909284B (en) | A kind of high working face coal wall caving prevents control method | |
| CN112647945A (en) | Hard roof cutting method for protective layer mining | |
| CN103527231B (en) | The roadway support test preparation method of analog simulation model | |
| CN105239964A (en) | Protective coal seam decompressing ground and underground three-dimensional coal and coal seam gas coordinated development method | |
| CN103498680A (en) | Method for increasing top-coal recovery rate in primary mining period of fully-mechanized caving face | |
| CN104453900A (en) | Filling mining method of near-horizontal ore body | |
| CN104533419B (en) | Method for partial recovery of residual coal from wide coal pillar | |
| CN103114854B (en) | Pillar robbing method of reconstructed artificial stud | |
| CN104727847B (en) | Filled wall is from the gob-side entry retaining method without coal column eliminated | |
| Mu et al. | F-structure model of overlying strata for dynamic disaster prevention in coal mine | |
| CN104141503A (en) | Sharp inclination fully mechanized coal face open-off cut square supporting method | |
| CN105065048A (en) | Temporary support for driving working face under coal mine | |
| CN204941586U (en) | Underground coal mine Provisional support for tunnelling face | |
| CN103147757A (en) | Intermittent mining method | |
| CN111022050B (en) | Fully-closed blasting pressure relief and self-retained roadway method for grouting reconstruction of composite roof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |