CN203239356U - Supporting and protecting device applied to deep development roadway - Google Patents
Supporting and protecting device applied to deep development roadway Download PDFInfo
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- CN203239356U CN203239356U CN 201320121308 CN201320121308U CN203239356U CN 203239356 U CN203239356 U CN 203239356U CN 201320121308 CN201320121308 CN 201320121308 CN 201320121308 U CN201320121308 U CN 201320121308U CN 203239356 U CN203239356 U CN 203239356U
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- tunnel
- relieving achor
- achor bar
- strength high
- stress pressure
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Abstract
A supporting and protecting device applied to a deep development roadway comprises high-strength high-prestress yielding anchor rods (1), a truss (2) and a nest anchor cable (3), wherein the high-strength high-prestress yielding anchor rods (1) and the nest anchor cable (3) are arranged at the top of the roadway, a plurality of high-strength high-prestress yielding anchor rods (1) are provided, and the truss (2) is fixed at the top of the roadway through the high-strength high-prestress yielding anchor rods (1). Therefore, the requirement for supporting and protecting the deep development roadway is met.
Description
One, technical field
The utility model relates to a kind of suspension device for the deep mining tunnel, and especially a kind of adaptation is used for the suspension device in seam mining tunnel, deep.
Two, background technology
In mining, need the tunnel as communicating passage or production face, in order to guarantee the safety in tunnel, need to install suspension device and carry out roadway support, therefore suspension device is an important mine safety facility, in existing suspension device, all be the roadway support of carrying out for the superficial part development of resources.When deep resource is developed, because deep tunnel exists high-ground stress, high tectonic stress, high impact forces etc., after digging into, the tunnel is easy to produce crimp, exploitation of coal resources every year, the speed about with 20m shifted to the deep, minable superficial part coal is fewer and feweri, now progressively develop over against deepen coal resource, also do not have a kind of suspension device that is applicable to the deep mining tunnel at present.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model provides a kind of suspension device for the deep mining tunnel, adapts to the requirement of deep mining roadway support.
For achieving the above object, the technical scheme that the utility model is taked is: include high-strength high pre-stress pressure-relieving achor bar, truss and nest type anchor cable, be provided with high-strength high pre-stress pressure-relieving achor bar and nest type anchor cable at the top in tunnel, high-strength high pre-stress pressure-relieving achor bar is arranged as many, and truss is fixed on the top in tunnel by high-strength high pre-stress pressure-relieving achor bar.
At first by high-strength high pre-stress pressure-relieving achor bar and nest type anchor cable the top, tunnel is fixed, prevent that the top, tunnel from the generation of the phenomenon such as slippage inbreak occuring, re-use the top that a high-strength high pre-stress pressure-relieving achor bar is fixed on truss in the tunnel, play the effect of auxiliary shoring, owing to designed high-strength high pre-stress pressure-relieving achor bar, truss and nest type anchor cable, two step formula supportings have been carried out in the tunnel, by high-strength high pre-stress pressure-relieving achor bar and nest type anchor cable one is formed on the top, tunnel, to adapt to the requirement of the high Ground control and support in deep mining tunnel, by high-strength high pre-stress pressure-relieving achor bar and truss, top, tunnel force-bearing of surrounding rock mass state is changed into compressive stress by tensile stress, form combination supporting.Adapt to the requirement of deep mining roadway support.
The utility model has designed, and also includes to allow pressure pipe, is provided with in the bottom of high-strength high pre-stress pressure-relieving achor bar to allow pressure pipe.
The utility model has designed, the diameter of high-strength high pre-stress pressure-relieving achor bar is set to Φ 18-24mm, the depth H that nest type anchor cable anchors into the top, tunnel is set to 8000-10000mm, the degree of depth h that high-strength high pre-stress pressure-relieving achor bar anchors into the top, tunnel is set to 2200-2400mm, and the distance L between the adjacent high-strength high pre-stress pressure-relieving achor bar is set to 800-1000mm.
The utility model has designed, and high-strength high pre-stress pressure-relieving achor bar and nest type anchor cable are set to be anchored at the top in tunnel.
The utility model has designed, and the termination, top of nest type anchor cable is set to the bird's nest shape.
Four, description of drawings
Accompanying drawing is the schematic diagram of first embodiment of the present utility model.
Five, the specific embodiment
Accompanying drawing is first embodiment of the present utility model, specify by reference to the accompanying drawings present embodiment, include high-strength high pre-stress pressure-relieving achor bar 1, truss 2 and nest type anchor cable 3, top layout in the tunnel has high-strength high pre-stress pressure-relieving achor bar 1 and nest type anchor cable 3, high-strength high pre-stress pressure-relieving achor bar 1 is arranged as five, nest type anchor cable 3 is arranged as 1, high-strength high pre-stress pressure-relieving achor bar 1 and nest type anchor cable 3 are anchored at the top in tunnel, and truss 2 is fixed on the top in tunnel by high-strength high pre-stress pressure-relieving achor bar 1.
In the present embodiment, the diameter of high-strength high pre-stress pressure-relieving achor bar 1 is set to Φ 18mm, the depth H that nest type anchor cable 3 anchors into the top, tunnel is set to 8000mm, the degree of depth h that high-strength high pre-stress pressure-relieving achor bar 1 anchors into the top, tunnel is set to 2200mm, and the distance L between the adjacent high-strength high pre-stress pressure-relieving achor bar 1 is set to 800mm.
In the present embodiment, the termination, top of nest type anchor cable 3 is designed to the bird's nest shape.
When using present embodiment, at first the top, tunnel is fixed with nest type anchor cable 3 by high-strength high pre-stress pressure-relieving achor bar 1, prevent that the top, tunnel from the generation of the phenomenon such as slippage inbreak occuring, re-use high-strength high pre-stress pressure-relieving achor bar 1 truss 2 is fixed on the top in tunnel, play the effect of auxiliary shoring.
In the present embodiment, the safe and effective supporting problem of deep, highland pressure, compound roof, moving aobvious Sub-Level Caving crossheading is the great research topic that solution is badly in need of in China always.Along with adopting dark increase, the problem that the down-hole exposes is day by day serious.The problem of ground pressure, ground temperature, impulsion pressure and gushing water has become the principal element of the normal safety in production of restriction mine.It is imperative to take practicable technical method to carry out deep mining, Surrounding Rock Control, roadway support and other diaster prevention and control technical research.The remarkable increase that deep mining is pressed because of ground can become uncontrollable or unmanageable country rock at the country rock controlled of superficial part, and traditional supporting theory and technical method are difficult to satisfy the requirement of deep tunnel Surrounding Rock Control.The utility model is on the basis that further investigation deep high-ground stress roadway surrounding rock " props up-control " and " control-allowing " concerns, research and development and successful Application " high-strength prestressed high-strength high pre-stress pressure-relieving achor bar+composite prestressed truss+nest type anchor cable " combination supporting system, effectively solved beam Bao Si colliery " moving aobvious the combining of deep-well compound roof put roadway support " problem, project has obtained breakthrough and significant effect in this field.Design first and optimized rationally " allow pressure point " and " allow press apart from " of Ф 20 * 2400mm anchor pole in the research.
Second embodiment of the present utility model, the diameter of high-strength high pre-stress pressure-relieving achor bar 1 is set to Φ 24mm, the depth H that nest type anchor cable 3 anchors into the top, tunnel is set to 10000mm, the degree of depth h that high-strength high pre-stress pressure-relieving achor bar 1 anchors into the top, tunnel is set to 2400mm, distance L between the adjacent high-strength high pre-stress pressure-relieving achor bar 1 is set to 1000mm, also include and allow pressure pipe, be provided with in the bottom of high-strength high pre-stress pressure-relieving achor bar and allow pressure pipe.
The 3rd embodiment of the present utility model, the diameter of high-strength high pre-stress pressure-relieving achor bar 1 is set to Φ 21mm, the depth H that nest type anchor cable 3 anchors into the top, tunnel is set to 9000mm, the degree of depth h that high-strength high pre-stress pressure-relieving achor bar 1 anchors into the top, tunnel is set to 2300mm, and the distance L between the adjacent high-strength high pre-stress pressure-relieving achor bar 1 is set to 900mm.
The 4th embodiment of the present utility model, the diameter of high-strength high pre-stress pressure-relieving achor bar 1 is set to Φ 20mm, the depth H that nest type anchor cable 3 anchors into the top, tunnel is set to 9500mm, the degree of depth h that high-strength high pre-stress pressure-relieving achor bar 1 anchors into the top, tunnel is set to 2350mm, and the distance L between the adjacent high-strength high pre-stress pressure-relieving achor bar 1 is set to 960mm.
The utlity model has following characteristics:
1, owing to designed high-strength high pre-stress pressure-relieving achor bar 1, truss 2 and nest type anchor cable 3, two step formula supportings have been carried out in the tunnel, at first one is formed on the top, tunnel by high-strength high pre-stress pressure-relieving achor bar 1, nest type anchor cable 3, the requirement of pressing with the highland that adapts to the deep layer tunnel, by high-strength high pre-stress pressure-relieving achor bar 1 and truss 2, top, tunnel force-bearing of surrounding rock mass state is changed into compressive stress by tensile stress, form combination supporting.Therefore be fit to the requirement of deep mining roadway support.
2, this support technology greatly reduces support cost, tunnel once supporting success, significantly improved driving speed, stopped repair of laneway, guaranteed the high-yield and high-efficiency safety in production of mine, and efficiently solve the supporting problem that Shandong accumulation in Juye Coalfield-deep-well highland presses aobvious Sub-Level Caving tunnel, have significant economic benefit and social benefit.
Within being used for the suspension device technical field in deep mining tunnel; Be provided with high-strength high pre-stress pressure-relieving achor bar 1 and nest type anchor cable 3 every including at the top in tunnel; high-strength high pre-stress pressure-relieving achor bar 1 is arranged as many, and truss 2 is fixed on the technology contents at top in tunnel all in protection domain of the present utility model by high-strength high pre-stress pressure-relieving achor bar 1.
Claims (5)
1. suspension device that is used for the deep mining tunnel; It is characterized in that: include high-strength high pre-stress pressure-relieving achor bar (1), truss (2) and nest type anchor cable (3), be provided with high-strength high pre-stress pressure-relieving achor bar (1) and nest type anchor cable (3) at the top in tunnel, high-strength high pre-stress pressure-relieving achor bar (1) is arranged as many, and truss (2) is fixed on the top in tunnel by high-strength high pre-stress pressure-relieving achor bar (1).
2. the suspension device for the deep mining tunnel according to claim 1; It is characterized in that: also include and allow pressure pipe, be provided with in the bottom of high-strength high pre-stress pressure-relieving achor bar (1) and allow pressure pipe.
3. the suspension device for the deep mining tunnel according to claim 1 and 2; It is characterized in that: the diameter of high-strength high pre-stress pressure-relieving achor bar (1) is set to Φ 18-24mm, the depth H that nest type anchor cable (3) anchors into the top, tunnel is set to 8000-10000mm, the degree of depth h that high-strength high pre-stress pressure-relieving achor bar (1) anchors into the top, tunnel is set to 2200-2400mm, and the distance L between the adjacent high-strength high pre-stress pressure-relieving achor bar (1) is set to 800-1000mm.
4. the suspension device for the deep mining tunnel according to claim 1 and 2; It is characterized in that: high-strength high pre-stress pressure-relieving achor bar (1) and nest type anchor cable (3) are set to be anchored at the top in tunnel.
5. the suspension device for the deep mining tunnel according to claim 1 and 2; It is characterized in that: the termination, top of nest type anchor cable (3) is set to the bird's nest shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121308 CN203239356U (en) | 2013-03-18 | 2013-03-18 | Supporting and protecting device applied to deep development roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320121308 CN203239356U (en) | 2013-03-18 | 2013-03-18 | Supporting and protecting device applied to deep development roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203239356U true CN203239356U (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320121308 Expired - Fee Related CN203239356U (en) | 2013-03-18 | 2013-03-18 | Supporting and protecting device applied to deep development roadway |
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| CN (1) | CN203239356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332722A (en) * | 2015-11-29 | 2016-02-17 | 辽宁工程技术大学 | Coal mine rock burst timbering device |
-
2013
- 2013-03-18 CN CN 201320121308 patent/CN203239356U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105332722A (en) * | 2015-11-29 | 2016-02-17 | 辽宁工程技术大学 | Coal mine rock burst timbering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20140318 |