CN209742965U - Device for treating floor heave of underground tunnel of coal mine - Google Patents
Device for treating floor heave of underground tunnel of coal mine Download PDFInfo
- Publication number
- CN209742965U CN209742965U CN201920558221.9U CN201920558221U CN209742965U CN 209742965 U CN209742965 U CN 209742965U CN 201920558221 U CN201920558221 U CN 201920558221U CN 209742965 U CN209742965 U CN 209742965U
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- China
- Prior art keywords
- water
- coal mine
- fixed surface
- plate
- bottom plate
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- 239000003245 coal Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 16
- 238000007569 slipcasting Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 235000012255 calcium oxide Nutrition 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 23
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 16
- 238000001914 filtration Methods 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a handle device of colliery underworkings pucking relates to colliery underworkings and administers technical field, specifically is a handle device of colliery underworkings pucking, including tunnel bottom plate, curb plate and arch roof, the last fixed surface of tunnel bottom plate is connected with the curb plate, the last fixed surface of curb plate is connected with the arch roof, the lower fixed surface of arch roof is connected with arch atress board, the lower fixed surface of arch atress board is connected with a kicking block. This handle device of coal mine underworkings pucking through the setting of tye, running water mouth, water service pipe and flowing water pipe network, and the water in the coal mine underworkings passes through the running water mouth and gets into the running water pipe network, gets rid of, has reduced the erosion of water to the mudstone, reduces the intensity softening of mudstone, reduces the influence of water to the coal mine underworkings, guarantees the bulk joint strength of rock to reduce the emergence of tunnel pucking problem, also handle tunnel pucking problem.
Description
Technical Field
The utility model relates to a colliery underworkings administers technical field, specifically is a handle device of underworkings pucking in colliery.
Background
The heaving floor is a common mine pressure phenomenon in a coal mine soft rock roadway, with the increasing expansion of coal production scale and the increasing mining depth in China, heaving floor disasters are increasing day by day, and when the heaving floor occurs in the roadway, the space height between a roadway top plate and a roadway bottom plate can be reduced in different degrees, so that the normal transportation, pedestrians and ventilation of the roadway are hindered; the serious tunnel bottom heave can influence the overall stability of tunnel surrounding rock, and causes huge threat to the safe and efficient mining of deep mines, and directly influences the smooth proceeding of coal mine safety production.
Because the friction force among rock bedding, joints and cracks is reduced under the action of water, the overall connection strength of the rock is reduced, the rock body forms a slip surface along the joint surface, the bedding surface and the crack surface of the rock stratum, the original rock body which is tightly connected among the layers is divided into a plurality of thin layers, even the strength is completely lost, certain mudstone components in the rock expand when meeting water in a plurality of underground roadways, and the existence of the water is an important reason for causing floor heave of the roadways, so a device for treating the floor heave of the underground roadways of the coal mines is urgently needed, and the problem is solved.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a handle device of colliery underworkings pucking has solved the problem of proposing among the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a handle device of colliery underworkings pucking, includes tunnel bottom plate, curb plate and arch roof, the last fixed surface of tunnel bottom plate is connected with the curb plate, the last fixed surface of curb plate is connected with the arch roof, the lower fixed surface of arch roof is connected with arch atress board, the lower fixed surface of arch atress board is connected with a kicking block, the lower fixed surface of kicking block is connected with the top surface pillar, the lower fixed surface of top surface pillar is connected with the backup pad, the lower fixed surface of tunnel bottom plate is connected with the slip casting fixed plate.
Optionally, the lower fixed surface of backup pad is connected with the tunnel support column, the lower fixed surface of tunnel support column is connected with the tunnel bottom plate, the quantity of top surface pillar is a plurality of, the material of tunnel support column and top surface pillar is steel and iron.
Optionally, a water flowing groove is formed in the upper surface of the roadway bottom plate, a water flowing opening is formed in the water flowing groove, and a water service pipe is fixedly connected in the water flowing opening.
Optionally, one end fixedly connected with flowing water pipe network that the gutter channel was kept away from to the water service pipe, the inside of slip casting fixed plate is provided with flowing water pipe network, flowing water pipe network divide into two-layer from top to bottom, the inside of slip casting fixed plate is provided with the polyurethane material, the lower surface of slip casting fixed plate is provided with the lime bed course.
Optionally, the lower surface of the roadway bottom plate and the upper surface of the arched top plate are fixedly connected with anchor rods, and the number of the anchor rods is a plurality.
Optionally, the inside swing joint of running water mouth has filter equipment, filter equipment includes handle ring and filter screen, the lower fixed surface of handle ring is connected with the filter screen, the quantity of filter screen is the three-layer.
(III) advantageous effects
The utility model provides a handle device of colliery underworkings pucking possesses following beneficial effect:
1. This handle device of coal mine underworkings pucking, through the tye, the discharge orifice, the setting of water service pipe and discharge pipe net, the tunnel bottom plate has the gradient of one to five degrees, the water in the coal mine underworkings flows into the tye along the gradient of tunnel bottom plate, get into the discharge orifice in the discharge orifice, get rid of, the erosion of water to the mudstone has been reduced, the intensity that reduces the mudstone is softened, reduce the influence of water to the coal mine underworkings, guarantee the bulk joint strength of rock, thereby reduce the emergence of tunnel pucking problem, also handle tunnel pucking problem.
2. This handle device of colliery underworkings pucking, through the stock, the setting of lime bed course and slip casting fixed plate, it couples together weak stratum rather than the stable stratum in lower part through the stock, the production of crack that the suppression arouses because of weak stratum dilatation and inflation opens and new crack, the stratum is after the stock is consolidated simultaneously, can increase bending strength, prevent the weak stratum upwards to bulge, the lime bed course can absorb moisture, make the isolation layer of self solidification formation certain intensity simultaneously, further restrain the emergence of roadway pucking, adopt polyurethane material to carry out the slip casting operation to the slip casting fixed plate, make bonding strength between the stratum higher, reinforced effect is better, handle the roadway pucking.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic diagram of the structure of the water pipe network of the present invention.
In the figure: 1. a roadway floor; 2. a side plate; 3. an arched roof; 4. an arched stress plate; 5. supporting a top block; 6. a top surface pillar; 7. a support plate; 8. supporting a tunnel; 9. a launder; 10. a water flowing port; 11. a water pipe; 12. grouting a fixing plate; 13. a flow pipe network; 14. an anchor rod; 15. a filtration device; 1501. a bracelet; 1502. a filter screen; 16. a quicklime cushion layer.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 2, the present invention provides a technical solution: a device for treating bottom heave of an underground coal mine roadway comprises a roadway bottom plate 1, side plates 2 and an arched top plate 3, wherein a water flowing groove 9 is formed in the upper surface of the roadway bottom plate 1, a water flowing port 10 is formed in the water flowing groove 9, a filtering device 15 is movably connected in the water flowing port 10, the filtering device 15 comprises a handle ring 1501 and a filtering net 1502, the lower surface of the handle ring 1501 is fixedly connected with the filtering net 1502, the number of the filtering net 1502 is three, a water pipe 11 is fixedly connected in the water flowing port 10, the roadway bottom plate 1 has an inclination of one to five degrees through the arrangement of the water flowing groove 9, the water flowing port 10, the water pipe 11 and a water flowing pipe network 13, water in the underground coal mine roadway flows into the water flowing groove 9 along the inclination of the roadway bottom plate and enters the water flowing pipe network 13 through the water flowing port 10 to be discharged, erosion of water to mudstone is reduced, the strength softening of the mudstone is reduced, the integral connection strength of rocks is ensured, thereby reducing the occurrence of the problem of roadway floor heave and treating the problem of roadway floor heave, one end of a water pipe 11, which is far away from a launder 9, is fixedly connected with a water flow pipe network 13, the inside of a grouting fixing plate 12 is provided with the water flow pipe network 13, the water flow pipe network 13 is divided into an upper layer and a lower layer, the inside of the grouting fixing plate 12 is provided with a polyurethane material, the lower surface of the grouting fixing plate 12 is provided with a quicklime cushion layer 16, the lower surface of a roadway floor 1 and the upper surface of an arched top plate 3 are both fixedly connected with anchor rods 14, the number of the anchor rods 14 is a plurality, through the arrangement of the anchor rods 14, the quicklime cushion layer 16 and the grouting fixing plate 12, a soft rock stratum is connected with a stable rock stratum on the lower part through the anchor rods 14, the crack expansion and the generation of new, the anti-buckling strength can be increased, the soft rock stratum is prevented from bulging upwards, the quicklime cushion layer 16 can absorb moisture, and the self-solidification can form an isolation layer with certain strength, so that the occurrence of roadway floor heave is further inhibited, the grouting operation is carried out on the grouting fixing plate 12 by adopting a polyurethane material, so that the bonding strength between rock strata is higher, the reinforcing effect is better, the roadway floor heave is treated, the upper surface of the roadway bottom plate 1 is fixedly connected with the side plate 2, the upper surface of the side plate 2 is fixedly connected with the arched top plate 3, the lower surface of the arched top plate 3 is fixedly connected with the arched stress plate 4, the lower surface of the arched stress plate 4 is fixedly connected with the supporting block 5, the lower surface of the supporting block 5 is fixedly connected with the top surface strut 6, the lower surface of the top surface strut 6 is fixedly connected with the supporting plate 7, the lower surface of the supporting plate 7 is fixedly, the quantity of top surface pillar 6 is a plurality of, and the material of tunnel support column 8 and top surface pillar 6 is steel, and the lower fixed surface of tunnel bottom plate 1 is connected with slip casting fixed plate 12.
As an optimal technical solution of the utility model: the outer surfaces of the roadway bottom plate 1, the side plates 2 and the arched top plate 3 are all provided with waterproof layers and protective layers.
In conclusion, when the device for treating the floor heave of the underground coal mine roadway is used, water in the underground coal mine roadway flows into the water flowing channel 9 along the inclination of the roadway floor through the arrangement of the water flowing channel 9, the water flowing port 10, the water flowing pipe 11 and the water flowing pipe network 13, the water flows into the water flowing channel 9 through the water flowing port 10, the water is removed, the erosion of water to mudstone is reduced, the strength softening of the mudstone is reduced, the influence of the water on the underground coal mine roadway is reduced, the integral connection strength of rocks is ensured, the floor heave problem of the roadway is reduced, the floor heave problem of the roadway is also treated, the soft rock stratum is connected with the stable rock stratum at the lower part of the soft rock stratum through the arrangement of the anchor rod 14, the quicklime cushion layer 16 and the grouting fixing plate 12, the crack opening and the new crack caused by the expansion and expansion of the soft rock stratum are inhibited, meanwhile, after the rock stratum is reinforced by the anchor rod 14, the bending strength can be increased, the soft rock stratum is prevented from bulging upwards, the quick lime cushion layer 16 can absorb moisture, and meanwhile, the self is solidified to form an isolation layer with certain strength, so that the occurrence of roadway floor heave is further inhibited, and the polyurethane material is adopted to carry out grouting operation on the grouting fixing plate 12, so that the bonding strength between rock strata is high, the reinforcing effect is good, and the roadway floor heave is treated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a handle device of colliery underworkings pucking, includes tunnel bottom plate (1), curb plate (2) and arch roof (3), its characterized in that: the upper surface fixedly connected with curb plate (2) of tunnel bottom plate (1), the last fixed surface of curb plate (2) is connected with arch roof (3), the lower fixed surface of arch roof (3) is connected with arch atress board (4), the lower fixed surface of arch atress board (4) is connected with a kicking block (5), the lower fixed surface of kicking block (5) is connected with top surface pillar (6), the lower fixed surface of top surface pillar (6) is connected with backup pad (7), the lower fixed surface of tunnel bottom plate (1) is connected with slip casting fixed plate (12).
2. The device for treating the floor heave of the underground coal mine roadway according to claim 1, is characterized in that: the lower fixed surface of backup pad (7) is connected with tunnel support column (8), the lower fixed surface of tunnel support column (8) is connected with tunnel bottom plate (1), the quantity of top surface pillar (6) is a plurality of, the material of tunnel support column (8) and top surface pillar (6) is steel and iron.
3. The device for treating the floor heave of the underground coal mine roadway according to claim 1, is characterized in that: a water flowing groove (9) is formed in the upper surface of the roadway bottom plate (1), a water flowing opening (10) is formed in the water flowing groove (9), and a water passing pipe (11) is fixedly connected to the inside of the water flowing opening (10).
4. The device for treating the floor heave of the underground coal mine roadway according to claim 3, wherein: the utility model discloses a quick lime grouting device, including slip casting fixed plate (12), chute (9) are kept away from in limbers (11) one end fixedly connected with flowing water pipe net (13), the inside of slip casting fixed plate (12) is provided with flowing water pipe net (13), two-layer about flowing water pipe net (13) divide into, the inside of slip casting fixed plate (12) is provided with the polyurethane material, the lower surface of slip casting fixed plate (12) is provided with quick lime bed course (16).
5. The device for treating the floor heave of the underground coal mine roadway according to claim 1, is characterized in that: the lower surface of tunnel bottom plate (1) and the equal fixedly connected with stock (14) of upper surface of arch roof (3), the quantity of stock (14) is a plurality of.
6. The device for treating the floor heave of the underground coal mine roadway according to claim 3, wherein: the inside swing joint of running water mouth (10) has filter equipment (15), filter equipment (15) are including handle ring (1501) and filter screen (1502), the lower fixed surface of handle ring (1501) is connected with filter screen (1502), the quantity of filter screen (1502) is the three-layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558221.9U CN209742965U (en) | 2019-04-23 | 2019-04-23 | Device for treating floor heave of underground tunnel of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920558221.9U CN209742965U (en) | 2019-04-23 | 2019-04-23 | Device for treating floor heave of underground tunnel of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209742965U true CN209742965U (en) | 2019-12-06 |
Family
ID=68722126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920558221.9U Expired - Fee Related CN209742965U (en) | 2019-04-23 | 2019-04-23 | Device for treating floor heave of underground tunnel of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209742965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216969A (en) * | 2021-06-08 | 2021-08-06 | 陕西陕煤铜川矿业有限公司 | Roadway top and bottom plate bulging control method based on flowing water erosion geological environment |
-
2019
- 2019-04-23 CN CN201920558221.9U patent/CN209742965U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216969A (en) * | 2021-06-08 | 2021-08-06 | 陕西陕煤铜川矿业有限公司 | Roadway top and bottom plate bulging control method based on flowing water erosion geological environment |
| CN113216969B (en) * | 2021-06-08 | 2023-05-02 | 陕西陕煤铜川矿业有限公司 | Roadway roof and floor bulging control method based on running water erosion geological environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191206 |