CN206071611U - The new pressure feedback strengthening supporting structure that allows in the unstable country rock tunnel in deep - Google Patents
The new pressure feedback strengthening supporting structure that allows in the unstable country rock tunnel in deep Download PDFInfo
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- CN206071611U CN206071611U CN201621126454.4U CN201621126454U CN206071611U CN 206071611 U CN206071611 U CN 206071611U CN 201621126454 U CN201621126454 U CN 201621126454U CN 206071611 U CN206071611 U CN 206071611U
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- shaped steel
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- hypomere
- extroversion
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Abstract
This utility model provides new the allowing in the unstable country rock tunnel in deep and presses feedback strengthening supporting structure, including：To the U-shaped steel of epimere in outer layer、To the U-shaped steel of hypomere in outer layer、The U-shaped steel of internal layer extroversion epimere、The U-shaped steel of internal layer extroversion hypomere、Butterfly shape spring steel、Surrender triangle spring steel、Card pulls formula hoop tool，Connect to the U-shaped steel bushing of hypomere into the U-shaped steel of epimere and the outer layer in the outer layer，Constitute outer layer supporting construction，The U-shaped steel of the export-oriented epimere of the internal layer is connect with the U-shaped steel bushing of internal layer extroversion hypomere，Constitute internal layer supporting construction，Inside and outside by adopting, double-deck U-shaped steel construction can improve the bearing capacity in deep underground opposing impact underground of supporting structure system，By the combination elastic deformation component using the butterfly shape spring steel and the surrender triangle spring steel between double-decker，Not only it is capable of achieving to provide a setting load to country rock when supporting construction sets up，Surrouding rock deformation can also be fed back by strengthening supporting structural strength by yield supporting mode.
Description
Technical field
This utility model is related to roadway support field, and in particular to the unstable country rock tunnel in deep is new to allow pressure feedback to strengthen
Supporting construction.
Background technology
In China, explored coal resources accounts for the 11.1% of world's total amount, wherein there is about 29,500,000,000,000,000 tons of coal moneys
Source buried depth once, accounts for the 53% of coal resources total amount in 1000m.Through the exploitation of over half a century, superficial part resource is most of
It is produced, it is growing with social and economic development's demand, still need to ensure coal in the period of history considerably long from now on
Stable high yield, this certainly will promote resource exploitation constantly to develop to deep.China's State owned coal mine mine main is most at present
It is middle deep mine, its numeber of mines nearly 47%, the proportion of deep numeber of mines also rise to nearly 24%, and the mine for having 5.01% adopts deep super
Cross 1200m.
At this stage, the big-and-middle-sized deep coalmining deepening speed of China is up to 10～25m/a, it is contemplated that following 20 years China is big
Medium size coal mine will enter people to 1000～1500m mining depths.After mine enters deep mining, in " three-hypers one are disturbed " complexity mechanics
Under environmental effect, strata behavior analysis of roadway manifests strongly, and tunneling boring deformation failure is serious, and it is extremely difficult that channel maintenance becomes；Meanwhile, scene
Investigation shows that traditional drift support type can not meet deep tunnel supporting requirement.
Utility model content
(1) the technical problems to be solved in the utility model
It is difficult for roadway support in existing coal deep mining operation, it is safety and the high efficiency for improving shaft production,
The utility model proposes a kind of press feedback to strengthen for new the allowing in the unstable country rock tunnel in deep that present situation overcomes supporting difficult
Supporting construction.
(2) technical scheme
This utility model provides new the allowing in the unstable country rock tunnel in deep and presses feedback strengthening supporting structure, including：Outer layer
It is interior into the U-shaped steel of epimere, outer layer to the U-shaped steel of hypomere, the internal layer extroversion U-shaped steel of epimere, the U-shaped steel of internal layer extroversion hypomere, butterfly shape bullet
Spring steel, surrender triangle spring steel, card pull formula hoop tool, into the U-shaped steel of epimere and the outer layer to the U-shaped steel bushing of hypomere in the outer layer
Connect, formula hoop is pulled using the card in the two joint and has interior fixed to hoop, constitute the new outer layer for allowing pressure to feed back strengthening supporting and tie
Structure, the U-shaped steel of the export-oriented epimere of the internal layer are connect with the U-shaped steel bushing of internal layer extroversion hypomere, are pulled using the card in the two joint
Formula hoop has export-oriented hoop to be determined, and constitutes the new endothecium structure for allowing pressure to feed back strengthening supporting, and the butterfly shape spring steel is several uniform
Be welded on this it is new allow pressure feedback strengthening supporting layer structure with this it is new allow pressure feedback strengthening supporting endothecium structure it
Between, the cylindrical head of the surrender triangle spring steel is welded on the described outer of the new layer structure for allowing pressure to feed back strengthening supporting
In layer on the U-shaped steel of hypomere, its bipod is respectively welded at the internal layer of the new endothecium structure for allowing pressure to feed back strengthening supporting
On the export-oriented U-shaped steel of epimere and the U-shaped steel of internal layer extroversion hypomere.
Preferably, on the new layer structure for allowing pressure feedback strengthening supporting, the card is pulled formula hoop tool and new makes pressure anti-with this
On the endothecium structure of feedback strengthening supporting, the card is pulled formula hoop tool and not contour is installed.
Preferably, the butterfly shape spring steel is equidistantly welded by an interval of 0.25m, and larger using fatigue limit
Steel, it is allowed to which amount of elastic deformation is larger.
Preferably, the surrender triangle spring steel is installed in the card and pulls formula hoop tool lower section, in internal layer extroversion epimere U
When shaped steel and the excessive U-shaped steel indent of internal layer extroversion hypomere, the surrender triangle spring steel can be certainly more than during fatigue limit
Dynamic circuit breaker is split.
(3) beneficial effect
The technical scheme provided using this utility model, compared with prior art, with following remarkable result：
(1) new the allowing in the unstable country rock tunnel in deep that this utility model is provided presses feedback strengthening supporting structure by adopting
Inside and outside double-deck U-shaped steel construction can improve the bearing capacity of supporting structure system, and then depress deeply impact to improve tunnel opposing
The bearing capacity of ground compressive load.
(2) new the allowing in the unstable country rock tunnel in deep that this utility model is provided presses feedback strengthening supporting structure by adopting
The combination elastic deformation system of butterfly shape spring steel and surrender triangle spring steel, can realize offer one when supporting construction sets up
Individual appropriate setting load improves surrounding rock stability, is adapted with surrouding rock deformation to a certain extent, by yield supporting mode further
Country rock small deformation is fed back into strengthening supporting structural strength.
Description of the drawings
Fig. 1 is that the unstable country rock tunnel in this utility model deep is new allows the erection of pressure feedback strengthening supporting structure to illustrate
Figure；
Fig. 2 is that the unstable country rock tunnel in this utility model deep is new allows the population structure of pressure feedback strengthening supporting structure to show
It is intended to；
Fig. 3 is the butterfly shape spring steel welding schematic diagram inside and outside this utility model between double-deck supporting construction；
Fig. 4 is the surrender triangle spring steel welding schematic diagram inside and outside this utility model between double-deck supporting construction；
Fig. 5 is this utility model outer layer supporting construction schematic diagram；
Fig. 6 is this utility model internal layer supporting construction schematic diagram；
In figure：1- tunnels；To the U-shaped steel of epimere in 2- outer layers；3- pushes up anchor pole；The U-shaped steel of 4- internal layers extroversion epimere；5- butterfly shapes
Spring steel；6- surrenders triangle spring steel；7- lateral wall anchor poles；The U-shaped steel of 8- internal layers extroversion hypomere；To the U-shaped steel of hypomere in 9- outer layers；
10- cards pull formula hoop tool.
Specific embodiment
With reference to the accompanying drawings and examples embodiment of the present utility model is described in further detail.Following examples
For illustrating this utility model, but can not be used for limiting scope of the present utility model.
As described in Figure, new the allowing in the unstable country rock tunnel in deep that this utility model is provided presses feedback strengthening supporting structure,
Including：It is U-shaped to U-shaped steel 4, the internal layer extroversion hypomere of U-shaped steel 9, the internal layer extroversion epimere of hypomere into the U-shaped steel 2, outer layer of epimere in outer layer
Steel 8, butterfly shape spring steel 5, surrender triangle spring steel 6, card pull formula hoop tool 10, outer with described to the U-shaped steel 2 of epimere in the outer layer
It is socketed to the U-shaped steel of hypomere 9 in layer, it is fixed to hoop in formula hoop tool 10 to be pulled using the card in the two joint, constitutes the new pressure that allows
The layer structure of feedback strengthening supporting, the U-shaped steel of the U-shaped steel 4 of internal layer extroversion epimere and internal layer extroversion hypomere 8 are socketed,
The two joint pulls using the card that 10 export-oriented hoop of formula hoop tool is fixed, constitutes the new endothecium structure for allowing pressure feedback strengthening supporting,
This is new allow pressure feedback strengthening supporting layer structure on the card pull formula hoop tool 10 with the new pressure feedback strengthening supporting of allowing
On endothecium structure, the card pulls that formula hoop tool 10 is not contour to be installed, and the butterfly shape spring steel 5 is several, and to be equably welded on this new
Allow between the layer structure and the new endothecium structure for allowing pressure to feed back strengthening supporting of pressure feedback strengthening supporting, and the butterfly shape
Spring steel 5 is equidistantly welded by an interval of 0.25m, and using the larger steel of fatigue limit, it is allowed to amount of elastic deformation is larger,
The cylindrical head of the surrender triangle spring steel 6 is welded on the outer layer of the new layer structure for allowing pressure to feed back strengthening supporting
It is interior on the U-shaped steel of hypomere 9, its bipod is respectively welded at outside the internal layer of the new endothecium structure for allowing pressure feedback strengthening supporting
To on the U-shaped steel 4 of epimere and the U-shaped steel of internal layer extroversion hypomere 8, and the surrender triangle spring steel 6 is installed in the card and pulls formula
It is below hoop tool 10, in the internal layer extroversion U-shaped steel 4 of epimere and excessive U-shaped 8 indent of steel of internal layer extroversion hypomere, described
Surrender triangle spring steel 6 can be ruptured when exceeding fatigue limit automatically.
As shown in Fig. 1～Fig. 6, what this utility model was provided, concrete operation method is as follows：
First, the tunnel 1 to just having dug carries out bolt-spary supports, by the anchor pole that length is 1.2～1.5m, with 0.5m as one
Interval is evenly arranged to be squeezed in country rock, forms the top anchor pole 3 as depicted and the lateral wall anchor pole 7, and then fill-before-fire is mixed
Solidifying soil, after 1 adjoining rock stability of band tunnel, first sets up the new layer structure for allowing pressure to feed back strengthening supporting, treats outer layer U-shaped canopy supporting
Structure sets up and completes, and is then one with 0.25m and is spaced and welds the butterfly shape spring steel 5 in outer layer supporting construction again, and
The surrender triangle spring steel 6 is welded simultaneously in relevant position, finally sets up the new internal layer for allowing pressure the to feed back strengthening supporting knot
Structure, according to distance between Rotating fields inside and outside adjoining rock stability degree suitably adjustment during erection internal layer U-shaped canopy, to reach to country rock
Provide an appropriate active setting load to improve the stability of country rock, and the butterfly shape spring steel is welded simultaneously when setting up
5 and the surrender triangle spring steel 6 and internal layer U-shaped canopy junction.
In production process, if lateral wall surrouding rock deformation is subjected to displacement, to the U-shaped steel of hypomere in outer layer described in outer layer supporting construction
9 can partly allow pressure, the butterfly shape spring steel 5 and the surrender triangle spring steel 6 by elastic compression, and the surrender triangle
Spring steel 6 is acted in internal layer supporting, makes the internal layer extroversion U-shaped steel 4 of epimere and U-shaped 8 joint of steel of internal layer extroversion hypomere
Place's specific elongation, and then acted in the outer layer to the U-shaped steel of epimere 2 so as to carry by the butterfly shape spring steel 5 at top
High whole support system is to top country rock enabling capabilities, and lateral wall country rock is under the elastic reaction of inside and outside double-deck supporting construction；If
Top surrouding rock deformation is subjected to displacement, and will move down to the U-shaped steel of epimere 2 in outer layer described in outer layer supporting construction and allow pressure by the butterfly
Butterfly spring steel 5 acts on the U-shaped steel of the extroversion epimere of internal layer described in internal layer supporting construction 4 and moves down, joint by with it is described
Surrender triangle spring steel 6 makes which act in the outer layer to the U-shaped steel 8 of hypomere, and then the whole support system of raising is enclosed to lateral wall
The enabling capabilities of rock, when the internal layer extroversion U-shaped steel 2 of epimere and excessive U-shaped 8 indent of steel of internal layer extroversion hypomere, institute
State when surrender triangle spring steel 6 exceedes fatigue limit and can rupture automatically.
During embodiment of the present utility model in order to example and description for the sake of and be given, and be not exhaustively or will
This utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.It is, in order to better illustrate principle of the present utility model and practical application, and to make this area to select and describe embodiment
Those of ordinary skill it will be appreciated that this utility model is so as to designing the various enforcements with various modifications for being suitable to special-purpose
Example.
Claims (4)
1. the unstable country rock tunnel in deep is new allows pressure to feed back strengthening supporting structure, it is characterised in that include：To epimere in outer layer
To the U-shaped steel of hypomere (9), the U-shaped steel (4) of internal layer extroversion epimere, the U-shaped steel (8) of internal layer extroversion hypomere, butterfly in U-shaped steel (2), outer layer
Shape spring steel (5), surrender triangle spring steel (6), card pull formula hoop tool (10), and the outer layer is interior outer with described to the U-shaped steel of epimere (2)
It is socketed to the U-shaped steel of hypomere (9) in layer, it is fixed to hoop in formula hoop tool (10) to be pulled using the card in the two joint, constitutes this new
Pressure is allowed to feed back the layer structure of strengthening supporting, the U-shaped steel (4) of the internal layer extroversion epimere and the U-shaped steel (8) of internal layer extroversion hypomere
Socket, pull using the card in the two joint that the export-oriented hoop of formula hoop tool (10) is fixed, constitutes the new pressure feedback strengthening supporting that allows
Endothecium structure, the butterfly shape spring steel (5) is several to be equably welded on the new layer structure for allowing pressure to feed back strengthening supporting
Between the new endothecium structure for allowing pressure to feed back strengthening supporting, the cylindrical head of surrender triangle spring steel (6) is welded on
In the outer layer of the new layer structure for allowing pressure to feed back strengthening supporting on the U-shaped steel of hypomere (9), its bipod is respectively welded at
The internal layer extroversion U-shaped steel (4) of epimere of the new endothecium structure for allowing pressure to feed back strengthening supporting and internal layer extroversion hypomere U
On shaped steel (8).
2. the unstable country rock tunnel in deep according to claim 1 is new allows pressure feedback strengthening supporting structure, its feature to exist
In：This is new allow pressure feedback strengthening supporting layer structure on the card pull formula hoop tool (10) and new allow pressure feedback to strengthen with this
On the endothecium structure of shield, the card is pulled formula hoop tool (10) is not contour installs.
3. the unstable country rock tunnel in deep according to claim 1 is new allows pressure feedback strengthening supporting structure, its feature to exist
In：The butterfly shape spring steel (5) is equidistantly welded by an interval of 0.25m, and using the larger steel of fatigue limit, it is allowed to
Amount of elastic deformation is larger.
4. the unstable country rock tunnel in deep according to claim 1 is new allows pressure feedback strengthening supporting structure, its feature to exist
In：Surrender triangle spring steel (6) is installed in the card and pulls below formula hoop tool (10), in the U-shaped steel of internal layer extroversion epimere
(4) and when internal layer extroversion U-shaped steel (8) indent of hypomere is excessive, when the surrender triangle spring steel (6) is more than fatigue limit
Can rupture automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126454.4U CN206071611U (en) | 2016-10-14 | 2016-10-14 | The new pressure feedback strengthening supporting structure that allows in the unstable country rock tunnel in deep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621126454.4U CN206071611U (en) | 2016-10-14 | 2016-10-14 | The new pressure feedback strengthening supporting structure that allows in the unstable country rock tunnel in deep |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071611U true CN206071611U (en) | 2017-04-05 |
Family
ID=58442514
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621126454.4U Expired - Fee Related CN206071611U (en) | 2016-10-14 | 2016-10-14 | The new pressure feedback strengthening supporting structure that allows in the unstable country rock tunnel in deep |
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| Country | Link |
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| CN (1) | CN206071611U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401412A (en) * | 2017-09-22 | 2017-11-28 | 江苏建筑职业技术学院 | A kind of seasonal frozen ground pole weak tunnel is anchored self-balancing support system by warm multilayer |
| CN110735654A (en) * | 2019-11-27 | 2020-01-31 | 周伟永 | arch center for supporting underground tunnel and roadway engineering and rapid supporting method thereof |
| CN111042839A (en) * | 2019-12-18 | 2020-04-21 | 江苏采元科技有限公司 | Anti-seismic support and construction method thereof |
| CN111140266A (en) * | 2020-03-05 | 2020-05-12 | 西南交通大学 | Tunnel supporting structure suitable for large deformation of soft rock and construction method thereof |
| CN113187506A (en) * | 2021-04-30 | 2021-07-30 | 浙江省工程勘察设计院集团有限公司 | Yielding support structure and method for measuring pressure and deformation of surrounding rock |
-
2016
- 2016-10-14 CN CN201621126454.4U patent/CN206071611U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401412A (en) * | 2017-09-22 | 2017-11-28 | 江苏建筑职业技术学院 | A kind of seasonal frozen ground pole weak tunnel is anchored self-balancing support system by warm multilayer |
| CN110735654A (en) * | 2019-11-27 | 2020-01-31 | 周伟永 | arch center for supporting underground tunnel and roadway engineering and rapid supporting method thereof |
| CN111042839A (en) * | 2019-12-18 | 2020-04-21 | 江苏采元科技有限公司 | Anti-seismic support and construction method thereof |
| CN111042839B (en) * | 2019-12-18 | 2021-03-16 | 江苏采元科技有限公司 | Anti-seismic support and construction method thereof |
| CN111140266A (en) * | 2020-03-05 | 2020-05-12 | 西南交通大学 | Tunnel supporting structure suitable for large deformation of soft rock and construction method thereof |
| CN113187506A (en) * | 2021-04-30 | 2021-07-30 | 浙江省工程勘察设计院集团有限公司 | Yielding support structure and method for measuring pressure and deformation of surrounding rock |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20171014 |
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| CF01 | Termination of patent right due to non-payment of annual fee |