CN109958461A - A kind of anti-permeable structure of coal mine tomography - Google Patents
A kind of anti-permeable structure of coal mine tomography Download PDFInfo
- Publication number
- CN109958461A CN109958461A CN201910219556.2A CN201910219556A CN109958461A CN 109958461 A CN109958461 A CN 109958461A CN 201910219556 A CN201910219556 A CN 201910219556A CN 109958461 A CN109958461 A CN 109958461A
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- steel pipe
- coal mine
- counterfort
- wall
- radial
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- 238000003325 tomography Methods 0.000 title claims abstract description 47
- 239000003245 coal Substances 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 60
- 239000010959 steel Substances 0.000 claims abstract description 60
- 238000004873 anchoring Methods 0.000 claims abstract description 28
- 230000002787 reinforcement Effects 0.000 claims abstract description 22
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 238000007711 solidification Methods 0.000 claims abstract description 15
- 230000008023 solidification Effects 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000007569 slipcasting Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 239000004568 cement Substances 0.000 abstract description 8
- 239000011083 cement mortar Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/26—Shoes for connecting arch members to longitudinal struts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a kind of anti-permeable structures of coal mine tomography, tense the radial tension main reinforcement that the radial direction between base assembly and steel pipe counterfort tenses more radial arrangements for being provided with that more are close to wall setting, every root diameter is provided with branch's reinforcing bar of arrangement normal thereto to tensing in main reinforcement, the both ends of branch's reinforcing bar, which are protruded into, to be fixed in wall, and spraying is provided in the radial band of position for tensing main reinforcement and branch's reinforcing bar in wall and is equipped with spraying anchoring solidification slurry.The present invention injects cement concrete into steel pipe counterfort by grouting port, to improve the intensity of steel pipe counterfort, steel pipe counterfort is set to link together with conduit by fastener, improve the globality of anti-permeable structure, enter thin cement mortar from connecting tube to conduit internal pressure by external cement pump truck, it oozes out a part of thin cement mortar from liquid-leadage hole, makes coal mine fault development sealing state.
Description
Technical field
The present invention relates to technical field of coal exploitation, specifically a kind of anti-permeable structure of coal mine tomography.
Background technique
Tomography is a kind of construction being subjected to displacement by rock stratum or rock mass, and structural configuration is different, and size, scale all slightly have
The formation of difference, tomography damages the integrality of rock stratum, if met rich in water layer, will lead to tomography water-filling, to coal
The exploitation of mine causes greatly difficult and security risk.
Before coal mining, it is necessary to rock stratum is explored, avoids tomography as far as possible, but a part of tomography can not be avoided,
It must be reinforced, waterproof, prevent underground water from pouring in, cause to collapse at tomography.Therefore, those skilled in the art provide
A kind of anti-permeable structure of coal mine tomography, to solve the problems mentioned in the above background technology.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of anti-permeable structure of coal mine tomography
A part of tomography can not be avoided, it is necessary to be reinforced, waterproof to it, prevent underground water from pouring in, lead to the problem of collapsing at tomography.
To achieve the above object, the invention provides the following technical scheme:
A kind of anti-permeable structure of coal mine tomography, including steel pipe counterfort, more root diameters to tense main reinforcement, branch's reinforcing bar, tense bottom
Holder assembly, slip casting anchoring tube assembly and tube assembly of drawing water, wherein be fixedly installed at the wall position of coal mine position of fault
It is close to two groups of steel pipe counterforts being arranged parallel of wall, is connected with and is protruded into wall on the steel pipe counterfort
More slip castings anchoring tube assembly and Duo Gen in drilling are drawn water tube assembly, the slip casting anchoring tube assembly and tube assembly of drawing water it is outer
End is removably connected with draw water joint assembly and filling adaptor component, and depth is protruded into the inner end of the tube assembly of drawing water
Depth is protruded into the inner end that degree is greater than slip casting anchoring tube assembly, and the centre bottom of the steel pipe counterfort, which is provided with, is fixed on tunnel
Tension base assembly on bottom wall, the radial direction tension tensed between base assembly and the steel pipe counterfort are provided with more
Root is close to the radial of more radial arrangements of wall setting and tenses main reinforcement, and every radial tenses is respectively provided in main reinforcement
There is branch's reinforcing bar of arrangement normal thereto, the both ends of branch's reinforcing bar, which are protruded into, to be fixed in the wall, the tunnel
It is provided in the radial band of position for tensing main reinforcement and branch's reinforcing bar spraying on wall and is equipped with spraying anchoring solidification slurry, the spraying
At the thickness to the position for the steel pipe counterfort for being in separate wall of anchoring solidification slurry.
As further scheme of the invention: the radial outer peripheral surface for tensing main reinforcement and branch's reinforcing bar is coarse knot
Structure, and outer peripheral surface is provided with corner angle, is also marked with concrete slurry in the steel pipe counterfort.
As further scheme of the invention: the tension base assembly includes firm banking, tenses seat and tense circle,
Wherein, the firm banking is fixed on the bottom in tunnel, and the bottom for tensing seat is connected and fixed on the fixed base, institute
It states to tense and is connected and installed with the tension circle at the top of seat, each radial bottom for tensing main reinforcement is radial to be laid in
On the tension circle.
As the present invention further scheme: multiple groups this anti-permeable structure of coal mine tomography is equally spaced is laid in coal mine lane
At the position of the tomography of road wall.And the anchoring solidification slurry is sprayed into tunnel roof upwards.
As further scheme of the invention: the slip casting anchoring tube assembly is identical with drinking-water pipe modular construction, wraps
Include conduit, wherein the outer surface of the steel pipe counterfort is evenly arranged with fastener, and is provided on front side of the lower end of steel pipe counterfort
Grouting port is fixedly connected with conduit on the inside of the upper end of the fastener, is provided with connecting tube on front side of the conduit.
As further scheme of the invention: the conduit includes hollow steel pipe, the front surface of the hollow steel pipe
Inside offers inner thread mouth, and liquid-leadage hole is uniformly provided on the outside of hollow steel pipe.
As further scheme of the invention: the connecting tube includes clamping pipe, behind the outer surface of the clamping pipe
Side is provided with outer-hexagonal nut, and the outer surface for being clamped the rear end of pipe opens up external screw thread mouth on rear side of outer-hexagonal nut.
As further scheme of the invention: the hollow steel pipe is fixedly connected with external screw thread mouth by inner thread mouth.
As further scheme of the invention: the fastener includes lower retaining ring, and the top of the lower retaining ring is provided with
The both ends of upper retaining ring, the lower retaining ring and upper retaining ring, which are run through, is connected with the first bolt, and the top of the upper retaining ring is provided with spiral shell
Bar, the top of the screw rod are fixedly connected with fixing clasp, and the top of the fixing clasp is provided with movable snap ring, the activity
One end of snap ring and fixing clasp is provided through the second bolt, and movable snap ring and the other end of fixing clasp are provided through
Shaft, the conduit are embedded in the inside of movable snap ring and fixing clasp, and the steel pipe counterfort is embedded in lower retaining ring and upper retaining ring
Inside.
As further scheme of the invention: the distance between adjacent Liang Ge branch reinforcing bar is 20-60cm.
Compared with prior art, beneficial effects of the present invention:
Cement concrete is injected into steel pipe counterfort by grouting port, to improve the intensity of steel pipe counterfort, passes through case
Spraying anchoring solidification is starched in wall, at the thickness to the position for the steel pipe counterfort for being in separate wall of spraying anchoring solidification slurry
Make which support coal mine roadway, while can be very good to be supported the collapsing for preventing tunnel to tunnel, realization prevents permeable
Accident occur, the present invention makes steel pipe counterfort link together with conduit, improves the entirety of anti-permeable structure by fastener
Property, thin cement mortar is entered from connecting tube to conduit internal pressure by external cement pump truck, makes a part of thin cement mortar from sepage
Hole exudation, into coal mine tomography, makes coal mine tomography link together, and sealing state is formed, to effectively prevent underground
Water is gushed out out of tomography, and coal mine is caused to cave in, and the thin cement mortar of another part is filled in the inside of conduit, improves the strong of conduit
Degree, so that the safety of tomography is improved, meanwhile, internal infiltration can suitably be taken out at the conduit for tube assembly of drawing water
Water prevents the generation of water leak accident.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of anti-permeable structure of coal mine tomography；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is a kind of structural schematic diagram of conduit in anti-permeable structure of coal mine tomography；
Fig. 4 is a kind of structural schematic diagram of connecting tube in anti-permeable structure of coal mine tomography；
Fig. 5 is a kind of explosive view of fastener in anti-permeable structure of coal mine tomography；
Fig. 6 is a kind of arrangement schematic diagram of anti-permeable structure of coal mine tomography in wall.
Specific embodiment
Please refer to Fig. 1~6, in the embodiment of the present invention, a kind of anti-permeable structure of coal mine tomography, including steel pipe counterfort 1, more
It is radial to tense main reinforcement 9, branch's reinforcing bar 10, tense base assembly, slip casting anchoring tube assembly and tube assembly 6 of drawing water, wherein in coal mine
Two groups of steel pipe counterforts 1 being arranged parallel for being close to wall 16, institute are fixedly installed at the wall position of position of fault
It states and is connected with the more slip castings anchoring tube assembly protruded into the drilling in wall 16 and Duo Gen drinking-water pipe on steel pipe counterfort 1
The outer end of component, slip casting anchoring tube assembly and tube assembly of drawing water removably be connected with draw water joint assembly and
Filling adaptor component 15, the inner end of the tube assembly of drawing water protrude into depth and protrude into depth greater than the inner end of slip casting anchoring tube assembly
Degree, the centre bottom of the steel pipe counterfort 1 are provided with the tension base assembly being fixed on the bottom wall of tunnel, the tension pedestal group
Radial direction between part and the steel pipe counterfort 1, which tenses, is provided with more more radial arrangements for being close to wall setting
It is radial tense main reinforcement 9, every it is described it is radial tense branch's reinforcing bar 10 that arrangement normal thereto is provided in main reinforcement 9, it is described
The both ends of branch's reinforcing bar 10, which are protruded into, to be fixed in the wall, and radial tension main reinforcement 9 is provided in the wall and is divided
Spraying is equipped with spraying anchoring solidification slurry 17, the thickness for spraying anchoring solidification slurry 17 to place in the band of position of branch reinforcing bar 10
At the position of the steel pipe counterfort 1 far from wall.
In the present embodiment, the radial outer peripheral surface for tensing main reinforcement 9 and branch's reinforcing bar 10 is coarse structure, and periphery
Face is provided with corner angle, is also marked with concrete slurry in the steel pipe counterfort 1, in this way, convenient for the crawl of spraying anchoring solidification slurry 17
Adhesion effect.
As preferred embodiment, the tension base assembly includes firm banking 12, tenses seat 13 and tense circle 11,
In, the firm banking 12 is fixed on the bottom in tunnel, and the bottom for tensing seat 13 is fastened on the firm banking 12
On, the top for tensing seat 13 is connected and installed with the tension circle 11, and each radial bottom for tensing main reinforcement 9 is in radiation
Shape is laid on the tension circle 11.
In addition, at the position of the multiple groups equally spaced tomography for being laid in coal mine roadway wall of the anti-permeable structure of coal mine tomography.
And the anchoring solidification slurry 17 is sprayed into tunnel roof 14 upwards.
As more preferably embodiment, it includes conduit 3 that the slip casting anchoring tube assembly is identical with 6 structure of tube assembly of drawing water,
Wherein, the outer surface of the steel pipe counterfort 1 is evenly arranged with fastener 4, and is provided with slip casting on front side of the lower end of steel pipe counterfort 1
Mouthfuls 2, conduit 3 is fixedly connected on the inside of the upper end of the fastener 4, and the front side of the conduit 3 is provided with connecting tube 5
For the infiltration being pressed at thin cement mortar or outward extraction tomography into coal mine tomography, conduit 3 includes hollow
Steel pipe 31 offers inner thread mouth 33 on the inside of the front surface of hollow steel pipe 31, and the outside of hollow steel pipe 31 is uniformly provided with infiltration
Fluid apertures 32.
In order to facilitate the cement pump truck or suction pump outside connection, connecting tube 5 includes clamping pipe 51, is clamped the outer of pipe 51
Outer-hexagonal nut 52 is provided on rear side of surface, the outer surface for being clamped the rear end of pipe 51 is opened up close to the rear side of outer-hexagonal nut 52
External screw thread mouth 53.
In order to make conduit 3 link together with connecting tube 5, hollow steel pipe 31 and external screw thread mouth 53 pass through inner thread mouth 33
It is fixedly connected.
In order to be fixed together conduit 3 with steel pipe counterfort 1, an entirety is formed, fastener 4 includes lower retaining ring
41, the top of lower retaining ring 41 is provided with retaining ring 42, and the both ends of lower retaining ring 41 and upper retaining ring 42, which are run through, is connected with the first bolt
43, the top of upper retaining ring 42 is provided with screw rod 48, and the top of screw rod 48 is fixedly connected with fixing clasp 47, fixing clasp 47
Top is provided with movable snap ring 45, and one end of movable snap ring 45 and fixing clasp 47 is provided through the second bolt 44, active card
Ring 45 and the other end of fixing clasp 47 are provided through shaft 46.
In order to be fixed on conduit 3 in movable snap ring 45 and fixing clasp 47, conduit 3 is embedded in movable snap ring 45 and fixes
The inside of snap ring 47, in order to be fixed on steel pipe counterfort 1 in lower retaining ring 41 and upper retaining ring 42, steel pipe counterfort 1 is embedded in lower retaining ring
41 and upper retaining ring 42 inside.
The working principle of the invention: firstly, steel pipe counterfort 1 is mounted at the wall of the fault region of coal mine, then,
Radial tension main reinforcement and branch's reinforcing bar are installed, then spraying layer-by-layer in wall anchoring solidification slurry, after one layer of solidification
Next layer is sprayed again, until reaching at the position of the steel pipe counterfort 1 far from wall, then, from grouting port 2 to steel pipe counterfort 1
Interior injection cement concrete makes cement concrete be full of the inside of steel pipe counterfort 1, to improve the intensity of steel pipe counterfort 1, prevents
Only it collapses, and then, the outside that lower retaining ring 41 and upper retaining ring 42 are stuck in steel pipe counterfort 1 then rotates clockwise the first bolt
43, so that steel pipe counterfort 1 is fixed on the inside of lower retaining ring 41 and upper retaining ring 42, then, rotates clockwise screw rod 48, make fixing clasp
47 are fixed together with upper retaining ring 42, then, rotate counterclockwise the second bolt 44, rotate clockwise active card further along shaft 46
Ring 45, then conduit 3 is put into 47 inside of fixing clasp, then rotate counterclockwise movable snap ring 45, so that movable snap ring 45 is stuck in conduit 3
Outside then rotate clockwise the second bolt 44, conduit 3 made to be fixed on the inside of movable snap ring 45 and fixing clasp 47, from
And tube assembly can be anchored from slip casting using external cement pump truck so that tubular arch column 1 is fixed together with conduit 3, then
Connecting tube 5 be pressed into thin cement mortar into conduit 3, the thin cement mortar of a part is oozed out from liquid-leadage hole 32, into coal mine tomography
It is interior, so that coal mine tomography is linked together, forms sealing state, gush out out of tomography to effectively prevent underground water, cause
Coal mine landslide, improves the safety of tomography, later, using the connecting tube 5 drawn water in tube assembly 6 extraction infiltration outward, prevents
The generation of water leak accident.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of anti-permeable structure of coal mine tomography, including steel pipe counterfort (1), more root diameters are to tensing main reinforcement (9), branch's reinforcing bar
(10), base assembly, slip casting anchoring tube assembly and tube assembly of drawing water (6) are tensed, wherein in the wall position of coal mine position of fault
The place of setting is fixedly installed two groups of steel pipe counterforts (1) being arranged parallel for being close to wall (16), on the steel pipe counterfort (1)
The more slip castings anchoring tube assembly and Duo Gen being connected in the drilling protruded on wall (16) are drawn water tube assembly, the note
The outer end of slurry anchoring tube assembly and tube assembly of drawing water removably is connected with draw water joint assembly and filling adaptor group
Part (15), the inner end of the tube assembly of drawing water protrudes into depth and protrudes into depth greater than the inner end of slip casting anchoring tube assembly, described
The centre bottom of steel pipe counterfort (1) is provided with the tension base assembly being fixed on the bottom wall of tunnel, the tension base assembly with
Radial direction between the steel pipe counterfort (1) tenses more radial arrangements for being provided with that more are close to wall setting
It is radial to tense main reinforcement (9), branch's reinforcing bar (10) of arrangement normal thereto is provided on every radial tension main reinforcement (9),
The both ends of branch's reinforcing bar (10), which are protruded into, to be fixed in the wall, and radial tension main reinforcement is provided in the wall
(9) and in the band of position of branch's reinforcing bar (10) spraying is equipped with spraying anchoring solidification slurry (17), the spraying anchoring solidification slurry
(17) at thickness to the position for the steel pipe counterfort (1) for being in separate wall.
2. a kind of anti-permeable structure of coal mine tomography according to claim 1, which is characterized in that the radial tension main reinforcement
(9) and the outer peripheral surface of branch's reinforcing bar (10) is coarse structure, and outer peripheral surface is provided with corner angle, and the steel pipe counterfort (1) is interior
It is marked with concrete slurry.
3. a kind of anti-permeable structure of coal mine tomography according to claim 1, which is characterized in that the tension base assembly packet
Firm banking (12) is included, seat (13) are tensed and tenses circle (11), wherein the firm banking (12) is fixed on the bottom in tunnel,
The bottom for tensing seat (13) is fastened on the firm banking (12), and the top for tensing seat (13) connects installation
There is the tension circle (11), each radial bottom for tensing main reinforcement (9) is radial to be laid in the tension circle (11)
On.
4. a kind of anti-permeable structure of coal mine tomography according to claim 3, which is characterized in that the multiple groups coal mine tomography permeation-proof
At the position of the equally spaced tomography for being laid in coal mine roadway wall of water-bound.And the anchoring solidification slurry (17) is sprayed into lane upwards
Road roof (14).
5. a kind of anti-permeable structure of coal mine tomography according to claim 2, which is characterized in that the slip casting anchors tube assembly
It is identical with tube assembly of drawing water (6) structure, include conduit (3), wherein the outer surface of the steel pipe counterfort (1) is evenly arranged with
Fastener (4), and grouting port (2) are provided on front side of the lower end of steel pipe counterfort (1), the inside of the upper end of the fastener (4)
It is fixedly connected with conduit (3), is provided with connecting tube (5) on front side of the conduit (3).
6. a kind of anti-permeable structure of coal mine tomography according to claim 5, which is characterized in that the conduit (3) includes sky
Heart steel pipe (31) offers inner thread mouth (33) on the inside of the front surface of the hollow steel pipe (31), and hollow steel pipe (31)
Outside is uniformly provided with liquid-leadage hole (32).
7. a kind of anti-permeable structure of coal mine tomography according to claim 5, which is characterized in that the connecting tube (5) includes
Clamping pipe (51), described be clamped on rear side of the outer surface for managing (51) are provided with outer-hexagonal nut (52), and after clamping pipe (51)
The outer surface at end opens up external screw thread mouth (53) on rear side of outer-hexagonal nut (52).
8. a kind of anti-permeable structure of coal mine tomography according to claim 2 or 3, which is characterized in that the hollow steel pipe
(31) it is fixedly connected with external screw thread mouth (53) by inner thread mouth (33).
9. a kind of anti-permeable structure of coal mine tomography according to claim 5, which is characterized in that the fastener (4) includes
The top of lower retaining ring (41), the lower retaining ring (41) is provided with retaining ring (42), the lower retaining ring (41) and upper retaining ring (42)
Both ends, which are run through, to be connected with the first bolt (43), and the top of the upper retaining ring (42) is provided with screw rod (48), the screw rod (48)
Top be fixedly connected with fixing clasp (47), the top of the fixing clasp (47) is provided with movable snap ring (45), the work
Dynamic snap ring (45) and one end of fixing clasp (47) are provided through the second bolt (44), and movable snap ring (45) and fixing clasp
(47) the other end is provided through shaft (46), and the conduit (3) is embedded in movable snap ring (45) and fixing clasp (47)
Inside, the steel pipe counterfort (1) are embedded in the inside of lower retaining ring (41) and upper retaining ring (42).
10. a kind of anti-permeable structure of coal mine tomography according to claim 5, which is characterized in that adjacent Liang Ge branch steel
The distance between muscle (10) is 20-60cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219556.2A CN109958461B (en) | 2019-03-20 | 2019-03-20 | Coal mine fault water-penetration-preventing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219556.2A CN109958461B (en) | 2019-03-20 | 2019-03-20 | Coal mine fault water-penetration-preventing structure |
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| CN109958461A true CN109958461A (en) | 2019-07-02 |
| CN109958461B CN109958461B (en) | 2020-06-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963173A (en) * | 2020-03-16 | 2020-11-20 | 济宁矿业集团有限公司安居煤矿 | Construction method for advancing fault crossing during crossheading of coal mine |
| CN117108317A (en) * | 2023-10-25 | 2023-11-24 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Grouting equipment is consolidated in mine tunnel |
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| CN103216249A (en) * | 2013-04-02 | 2013-07-24 | 中国矿业大学 | Waterproof support method of water sump of water-swellable soft rock of underground coal mine |
| CN103850688A (en) * | 2014-03-24 | 2014-06-11 | 昆明理工大学 | Method for dynamically superimposing coupling support on large-section roadway in complicated fault fracture zone |
| CN104405420A (en) * | 2014-10-29 | 2015-03-11 | 中铁建大桥工程局集团第五工程有限公司 | Method applied to airtight and waterproof treatment of gas tunnel |
| CN107060774A (en) * | 2017-05-08 | 2017-08-18 | 重庆电讯职业学院 | A kind of anti-tunnel portal wall damage device and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111963173A (en) * | 2020-03-16 | 2020-11-20 | 济宁矿业集团有限公司安居煤矿 | Construction method for advancing fault crossing during crossheading of coal mine |
| CN117108317A (en) * | 2023-10-25 | 2023-11-24 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Grouting equipment is consolidated in mine tunnel |
| CN117108317B (en) * | 2023-10-25 | 2024-01-30 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Grouting equipment is consolidated in mine tunnel |
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