CN2779066Y - Equipment capable of drilling coal bed for pressure relief and reinforcing supports of key positions - Google Patents
Equipment capable of drilling coal bed for pressure relief and reinforcing supports of key positions Download PDFInfo
- Publication number
- CN2779066Y CN2779066Y CN 200520069786 CN200520069786U CN2779066Y CN 2779066 Y CN2779066 Y CN 2779066Y CN 200520069786 CN200520069786 CN 200520069786 CN 200520069786 U CN200520069786 U CN 200520069786U CN 2779066 Y CN2779066 Y CN 2779066Y
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- CN
- China
- Prior art keywords
- pressure relief
- anchor pole
- lane
- coal
- supporting
- 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
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- 239000003245 coal Substances 0.000 title claims abstract description 23
- 238000005553 drilling Methods 0.000 title claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 title abstract description 6
- 239000011435 rock Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model relates to a device used for pressure relief by coal bed drilling and key positions reinforcing and supporting. The utility model is used for solving the supporting and the reinforcing problems before, after, or in the process of the coal cutting of a three-soft dynamic pressure solid road. Pressure relief holes are arranged on interval positions of coal rock roof bolts at intervals, so the solid road is formed into a guard net formed by connecting the coal rock roof bolts and the pressure relief holes. The coal rock roof bolts which are arranged on the key positions in the guard net are slantways arranged, a single prop steel beam is arranged on a bottom plate, and the pressure relief mode and the supporting mode are synthetically used for carrying out previous pressure relief and rear support for the three-soft dynamic pressure solid road. The utility model effective maintains the three-soft dynamic pressure solid road through the reasonable control in degrees and the reasonable engagement of the pressure relief and the support, and carries out priority reinforcing support for key positions. The utility model has the advantages of high supporting reliability, good economical efficiency, simple structure, reasonable layout and high efficiency.
Description
Technical field
The utility model relates to coal bed drilling release and reinforced support in key position device, is particularly useful for solving supporting and the reinforcing of three soft dynamic pressure coal roads in adopting front and back and the process of adopting.
Background technology
For the supporting of three soft dynamic pressure coal roads under the coal mine, generally all be to lay particular emphasis on to add strong supporting, such as adopting combination supporting measures such as grillage, point off density post, high strength anchor bar, 3-D anchorage cable, slip casting.What have then too pays attention to release, adopts wide pick lane release or special release lane release.The result of both of these case causes cost very high often, and effect is not ideal.Also there are comprehensive employing release and support pattern to safeguard the tunnel, but normally complete blindly section carries out release and high-tenacity supporting in the whole piece tunnel, this makes maintenance expense very high, some places are relatively guarded and are caused waste, some places then can not be safeguarded preferably and bring potential safety hazard, this is to fail utilization is reasonably made up in release and supporting, fails branch location to safeguard the result of design with suiting measures to local conditions.
Summary of the invention
Goal of the invention: in view of the problem that prior art exists, the purpose of this utility model provides coal bed drilling release a kind of simple in structure, rationally distributed and reinforced support in key position device.
Technical scheme: the utility model solves the technical scheme that its technical problem adopts and is: it comprises the anchor pole that is disposed on coal rock roof plate and lane portion of group, single pillar, individual prop skate and the steel I-beam of pressing that is provided with at interval, the described interval location place that is located at lane group anchor pole is interval with pressure relief vent, and pressure relief vent and lane group's anchor pole and roofbolt are linked to be a protecting wire net; Anchor pole on the top board of coal rock roof plate and lane group junction is tilting, and the angle β of tilting anchor pole and vertical line is 30 °; The anchor pole that help in the lane of lane group and top board and back plate connections is tilting, and tilting anchor pole and horizontal angle α are 30 °; Group is provided with tilting base angle anchor pole with back plate connections in the lane; Described steel I-beam is arranged on the base plate of lane, and the individual prop skate is arranged on the group top; The angle of slope of base angle anchor pole and horizon angle are 30 °～45 °.
Beneficial effect: coal bed drilling release and reinforced support in key position device are best suited for supporting and the reinforcing problem of three soft dynamic pressure coal roads in adopting front and back and the process of adopting that solve.Reasonable link and the reasonable control on the degree by release and supporting come it is carried out effective supporting, key position is carried out emphasis add strong supporting, boring release and key position are according to the roadway surrounding rock situation and be subjected to the mining influence degree and combine field condition to determine rational bore size and layout anchor pole; Supporting is carried out in segmentation according to each section tunnel concrete condition (constitute as country rock, geological structure situation, trickle is adopted number of times, pillar size and situation etc.).According to adopting the face position, adopt the face fltting speed, adopt face and ring situation such as scope and in time arrange pressure relief vent, and the key position top board is carried out emphasis with lane group junction, lane group and back plate connections add strong supporting.It is simple in structure, and is rationally distributed, economical and practical, effective, has practicality widely.
Description of drawings
Fig. 1 is the utility model roadside support structural representation.
Fig. 2 is cross section, a utility model tunnel supporting and protection structure schematic diagram.
Among the figure: the anchor pole 5-individual prop of the anchor pole 2-of 1-lane group pressure relief vent 3-roofbolt 4-base angle
6-steel I-beam 7-individual prop skate
The specific embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
Release of the utility model coal bed drilling and reinforced support in key position device, it mainly is made up of anchor pole, pressure relief vent 2, individual prop 5, individual prop skate 4 and steel I-beam 6, interval location place at lane group anchor pole 1 is provided with pressure relief vent 2 at interval, the interval location place that pressure relief vent 2 is located at lane group anchor pole 1 at interval is provided with at interval, is linked to be a protecting wire net by pressure relief vent 2 and lane group's anchor pole 1 and roofbolt 3; Anchor pole 1 on the top board of coal rock roof plate and lane group junction is tilting, and the angle β of tilting anchor pole and vertical line is 30 °; Lane group is tilting with the anchor pole 3 that help in the lane of top board junction, and tilting anchor pole and horizontal angle α are 30 °.Help to be provided with the base angle anchor pole 4 of inclination with back plate connections in the lane, the angle of inclination of base angle anchor pole 4 and horizon angle are 35 °, the individual prop 5 that is provided with at interval in the roadway surrounding rock anchor pole protective screening, the steel I-beam 6 of its support is arranged on the base plate of lane, individual prop skate 4 is arranged on the top and helps, increase in the tunnel with this and to press, make the tunnel be in three-dimensional stress state, improve country rock intensity.
Claims (2)
1. coal bed drilling release and reinforced support in key position device, it comprises the anchor pole (1,3) that is disposed on coal rock roof plate and lane portion of group, individual prop (5), individual prop skate (4) and steel I-beam (6) that the interval is provided with, it is characterized in that: the described interval location place that is located at lane group's anchor pole (1) is interval with pressure relief vent (2), and pressure relief vent (2) is linked to be a protecting wire net with lane portion of group anchor pole (1) and roofbolt (3); Anchor pole (1) on the top board of coal rock roof plate and lane group junction is tilting, and the angle β of tilting anchor pole and vertical line is 30 °; Lane group is tilting with the anchor pole (3) that help in the lane of top board junction, and tilting anchor pole and horizontal angle α are 30 °; Group is provided with tilting base angle anchor pole (4) with back plate connections in the lane; Described steel I-beam (6) is inverted, and is arranged on the base plate of lane, and individual prop skate (4) is arranged on the coal rock roof plate.
2. coal bed drilling release according to claim 1 and reinforced support in key position device is characterized in that: the angle of slope of described base angle anchor pole (4) and horizon angle are 30 °～45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069786 CN2779066Y (en) | 2005-03-11 | 2005-03-11 | Equipment capable of drilling coal bed for pressure relief and reinforcing supports of key positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069786 CN2779066Y (en) | 2005-03-11 | 2005-03-11 | Equipment capable of drilling coal bed for pressure relief and reinforcing supports of key positions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779066Y true CN2779066Y (en) | 2006-05-10 |
Family
ID=36753155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520069786 Expired - Fee Related CN2779066Y (en) | 2005-03-11 | 2005-03-11 | Equipment capable of drilling coal bed for pressure relief and reinforcing supports of key positions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779066Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886546A (en) * | 2010-07-06 | 2010-11-17 | 铁法煤业(集团)有限责任公司大兴煤矿 | Method for inhibiting roof deformation of coal mine underground bolt and anchor cable roadway |
| CN106706237A (en) * | 2016-11-18 | 2017-05-24 | 安徽理工大学 | Method for guaranteeing bearing safety of stope supporting system in condition of soft and weak bottom plate |
| CN109268047A (en) * | 2018-11-01 | 2019-01-25 | 天地科技股份有限公司 | Laminated structure and method are unloaded in a kind of supporting in bump tunnel |
| CN114183141A (en) * | 2021-12-13 | 2022-03-15 | 中国矿业大学 | Method for controlling surrounding rock of short-distance coal seam mining replacement roadway |
-
2005
- 2005-03-11 CN CN 200520069786 patent/CN2779066Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886546A (en) * | 2010-07-06 | 2010-11-17 | 铁法煤业(集团)有限责任公司大兴煤矿 | Method for inhibiting roof deformation of coal mine underground bolt and anchor cable roadway |
| CN101886546B (en) * | 2010-07-06 | 2011-12-28 | 铁法煤业(集团)有限责任公司大兴煤矿 | Method for inhibiting roof deformation of coal mine underground bolt and anchor cable roadway |
| CN106706237A (en) * | 2016-11-18 | 2017-05-24 | 安徽理工大学 | Method for guaranteeing bearing safety of stope supporting system in condition of soft and weak bottom plate |
| CN109268047A (en) * | 2018-11-01 | 2019-01-25 | 天地科技股份有限公司 | Laminated structure and method are unloaded in a kind of supporting in bump tunnel |
| CN114183141A (en) * | 2021-12-13 | 2022-03-15 | 中国矿业大学 | Method for controlling surrounding rock of short-distance coal seam mining replacement roadway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |