CN209510288U - A kind of underground coal mine water guide borehole sealing device - Google Patents
A kind of underground coal mine water guide borehole sealing device Download PDFInfo
- Publication number
- CN209510288U CN209510288U CN201920205693.6U CN201920205693U CN209510288U CN 209510288 U CN209510288 U CN 209510288U CN 201920205693 U CN201920205693 U CN 201920205693U CN 209510288 U CN209510288 U CN 209510288U
- Authority
- CN
- China
- Prior art keywords
- pipe
- hollow body
- polyurethane tube
- water
- coal mine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of underground coal mine water guide borehole sealing devices, including hollow body, polyurethane tube, circular metal gasket, fastening nut, Gu Guan Yuanhuan, guide head, liquid injection pipe, Grouting Pipe, water pipe, liquid pressing device, pressure slurry device, water pressure gauge, guide head is threadably secured in the front end of hollow body, four polyurethane tubes pass through circular metal gasket, fastening nut is fixed on hollow body, liquid injection pipe, Grouting Pipe, water pipe is located inside hollow body, connect liquid pressing device outside liquid injection pipe, connect pressure slurry device outside Grouting Pipe, connect water pressure gauge outside water pipe.The utility model is a kind of for a kind of underground coal mine water guide borehole sealing device that existing coal mine down-hole drilling plugging device is insufficient and provides, temporary plugging is combined to improve borehole sealing quality with permanent closure, and it can display real-time variation in water pressure in drilling, provide early warning for coal mine is permeable.
Description
Technical field
The utility model relates to coal mine down-hole drilling closure, belong to rock mass mechanics and field of engineering technology.
Background technique
In process of coal mining, some working seams are seriously threatened by water damage, at present to exploiting in this case
Floor water-bearing rock grout transformation is generally implemented in coal seam, and injection hole sealing is carried out after the completion of bored grouting, but when hydraulic pressure is larger,
Such sealing of hole measure can fail significantly, and mud solidification reaches sealing of hole requirement and needs the time, and when hydraulic pressure is larger will affect mud envelope
Hole effect, leading to drilling, there are biggish security risks, once the activity of other mines such as strata behaviors occurs, just easily cause
Drill water guide, to there is water outlet accident, to increase mine drainage expense, improves raw coal cost, influences normally to produce, or even danger
And mine safety.
The problems of during being blocked in view of existing coal mine down-hole drilling, therefore a kind of underground coal mine of utility model
Drill quick plugging device, is blocked using multistage and guarantees to block quality, and temporary plugging and permanent closure combine guarantee plugging effect,
The water pressure in real-time display drilling in mining process, so that improve underground work personnel copes with the water damage being likely to occur in time
Ability.
Utility model content
The purpose of this utility model is to overcome the defects of the prior art, provide a kind of underground coal mine water guide borehole sealing
Device keeps its easy to use convenient, guarantee block quality, and real-time display drilling in hydraulic pressure variation, be mine water disaster hidden danger
Analysis and in terms of provide safeguard.
To achieve the above object, the technical solution of the utility model is:
A kind of underground coal mine water guide borehole sealing device, comprising: hollow body, polyurethane tube, circular metal gasket, fastening spiral shell
Female, solid Guan Yuanhuan, guide head, liquid injection pipe, Grouting Pipe, water pipe, liquid pressing device, pressure slurry device, water pressure gauge.
Further, the hollow body is stainless steel material, which is provided with and is connected with Grouting Pipe, liquid injection pipe, water pipe
Circular hole, front end are equipped with the screw thread being adapted with guide head.
Further, the polyurethane tube is fixed on hollow body by the circular metal gasket and fastening nut on both sides.
Further, there are four the polyurethane tube is set, from left to right respectively polyurethane tube I, polyurethane tube II, polyurethane
Pipe III, polyurethane tube IV.
Further, the polyurethane tube is connected by the circular hole on hollow body with the intracorporal liquid injection pipe of hollow pipe.
Further, the Grouting Pipe and polyurethane tube I and polyurethane tube II, polyurethane tube III and IV centre of polyurethane tube are empty
Circular hole on heart tube body is connected.
Further, the water pipe is connected with the circular hole on III central hollow tube body of polyurethane tube II and polyurethane tube.
Further, the guide head is threadably secured in the front end of hollow body.
Further, the internal diameter of the inside consolidated pipe annulus and be located at hollow body, outer diameter and hollow body is adapted, and
And there is the circular hole adaptable with liquid injection pipe, Grouting Pipe, water pipe diameter thereon.
Further, the liquid pressing device is connected with the liquid injection pipe after drawing.
Further, the pressure slurry device is connected with the Grouting Pipe after drawing.
Further, the water pressure gauge is connected with the water pipe after drawing.
The utility model has the beneficial effects that a kind of underground coal mine water guide borehole sealing device of the utility model is in hollow body
There are four polyurethane tubes for upper fixation, and specific bit postpones in the present apparatus to be sent to the drilling to block, and first open liquid and add
The highly pressurised liquid of pressure device, generation is entered in polyurethane tube by liquid injection pipe, so that four polyurethane tube expansions are set, forms three
A cavity carries out temporary plugging；Pressure slurry device is opened again, so that mud enters polyurethane tube I and poly- ammonia by Grouting Pipe
In cavity between ester pipe II and between polyurethane tube III and polyurethane tube IV, sludge consolidating not will receive Drilling Water evil at this time
Influence, reach required hardness and strength after the completion of maintenance, guarantee to block quality, realize permanent block.In underground coal mine
In normal productive process, before it water leak accident will occur, water can enter poly- ammonia by borehole fissure under pressure itself effect
In cavity between ester pipe II and polyurethane III, underground work personnel can be directly observed variation in water pressure by water pressure gauge, from
And it is that coal mine is permeable and early warning is provided.
Detailed description of the invention
The technical solution of the utility model is further described in detail with reference to the accompanying drawings and detailed description.
Fig. 1 is a kind of structural schematic diagram of underground coal mine water guide borehole sealing device of the utility model.
Fig. 2 is a kind of working condition schematic diagram of underground coal mine water guide borehole sealing device of the utility model.
In figure: 1- hollow body, 2- polyurethane tube, 3- circular metal gasket, 4- fastening nut, 5- consolidate Guan Yuanhuan, and 6- is led
To head, 7- liquid injection pipe, 8- Grouting Pipe, 9- water pipe, 10- liquid pressing device, 11- pressure slurry device, 12- water pressure gauge,
101- drilling, 102- cavity I, 103- cavity II, 104- cavity III, 201- polyurethane tube I, 202- polyurethane tube
II, 203- polyurethane tube III, 204- polyurethane tube IV.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, with reference to the accompanying drawing and
Specific embodiment is described in detail.
As shown, a kind of underground coal mine water guide borehole sealing device described in the utility model, comprising: hollow body 1 gathers
Urethane pipe 2, circular metal gasket 3, fastening nut 4, solid pipe annulus 5, guide head 6, liquid injection pipe 7, Grouting Pipe 8, water pipe 9, liquid
Pressurizing device 10, pressure slurry device 11, water pressure gauge 12.
The hollow body 1 is equipped with the circular hole being connected with liquid injection pipe 7, Grouting Pipe 8, water pipe 9, the hollow body 1
Front end is equipped with the screw thread being adapted with guide head 6, and the polyurethane tube 2 passes through the circular metal gasket 3 and fastening nut 4 on both sides
It is fixed on hollow body 1, the number of the polyurethane tube 2 is four, from left to right respectively polyurethane tube I 201, polyurethane
Pipe II 202, polyurethane tube III 203, polyurethane tube IV 204, the polyurethane tube 2 by circular hole on hollow body 1 with it is hollow
Liquid injection pipe 7 in tube body 1 is connected, the Grouting Pipe 8 and polyurethane tube I 201 and polyurethane tube II 202, polyurethane tube III 203 and
Circular hole on IV 204 central hollow tube body 1 of polyurethane tube is connected, the water pipe 9 and polyurethane tube II 202 and polyurethane tube III
Circular hole on 203 central hollow tube bodies 1 is connected, and the guide head 6 is threadably secured in the front end of hollow body 1, described solid
Pipe annulus 5 is located at the inside of hollow body 1, and the outer diameter of the solid pipe annulus 5 and the internal diameter of hollow body 1 are adapted, described solid
Have the circular hole adaptable with liquid injection pipe 7, Grouting Pipe 8,9 diameter of water pipe on pipe annulus 5, the liquid pressing device 10 with draw after
Liquid injection pipe 7 be connected, the pressure slurry device 11 is connected with the Grouting Pipe 8 after drawing, after the water pressure gauge 12 and extraction
Water pipe 9 is connected.
It is embodied as follows:
1, a kind of underground coal mine water guide borehole sealing device being installed slowly is sent into the designated position in drilling 101.
2, liquid pressing device 10 is opened, highly pressurised liquid is injected in polyurethane tube 2 by liquid injection pipe 7, so that polyurethane
Pipe 2 is radially expanded until fitting closely with drilling 101, thus in polyurethane tube I 201 and polyurethane tube II 202, polyurethane tube
Three cavitys, respectively cavity I are formed between II 202 and polyurethane tube III 203, polyurethane tube III 203 and polyurethane tube IV 204
102, cavity II 103, cavity III 104, closing liquid pressurizing device 10 realize temporary plugging.
3, pressure slurry device 11 is opened, mud is sent into the cavity II 103 and cavity III 104 that are formed by Grouting Pipe 8
In, cavity II 103 and cavity III 104 are filled up, pressure slurry device 11 is closed, waits mud maintenance to complete, reaches required
Hardness and strength realize permanent block.
4, in underground coal mine normal productive process, before it water leak accident will occur, water can pressure itself effect under,
Entered in I 102 in the cavity between polyurethane tube II 202 and polyurethane tube III 203 by borehole fissure, and is drawn by water pipe 9
The variation of 12 registration of water pressure gauge is played, underground work personnel can be directly observed variation in water pressure by water pressure gauge 12, to be coal mine
Permeable offer early warning.
It should be noted last that the above specific implementation case is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to preferred embodiment, those skilled in the art should understand that,
It can be with the technical solution of the present invention is modified or equivalently replaced, without departing from the ancestor of technical solutions of the utility model
Purport and range should all cover in the scope of the claims of the utility model.
Claims (3)
1. a kind of underground coal mine water guide borehole sealing device, characterized by comprising: hollow body (1), polyurethane tube (2), circle
Metal gasket (3), fastening nut (4), solid Guan Yuanhuan (5), guide head (6), liquid injection pipe (7), Grouting Pipe (8), water pipe (9), liquid
Body pressurizing device (10), pressure slurry device (11), water pressure gauge (12), the hollow body (1) be equipped with liquid injection pipe (7),
The circular hole that Grouting Pipe (8), water pipe (9) are connected, hollow body (1) front end are equipped with the screw thread being adapted with guide head (6),
The polyurethane tube (2) is fixed on hollow body (1) by the circular metal gasket (3) and fastening nut (4) on both sides, described
The number of polyurethane tube (2) is four, from left to right respectively polyurethane tube I (201), polyurethane tube II (202), polyurethane tube
III (203), polyurethane tube IV (204), the polyurethane tube (2) pass through in the circular hole and hollow body (1) on hollow body (1)
Liquid injection pipe (7) be connected, the Grouting Pipe (8) and polyurethane tube I (201) and polyurethane tube II (202), polyurethane tube III
(203) it is connected with the circular hole on polyurethane tube IV (204) central hollow tube body (1), the water pipe (9) and polyurethane tube II
(202) be connected with the circular hole on polyurethane tube III (203) central hollow tube body (1), the guide head (6) be threadably secured in
The front end of hollow body (1), described solid Guan Yuanhuan (5) are located at the inside of hollow body (1), the liquid pressing device (10) and
Liquid injection pipe (7) after extraction is connected, and the pressure slurry device (11) is connected with the Grouting Pipe (8) after drawing, the water pressure gauge
(12) it is connected with the water pipe (9) after drawing.
2. a kind of underground coal mine water guide borehole sealing device according to claim 1, it is characterised in that: the hollow body
It (1) is stainless steel material.
3. a kind of underground coal mine water guide borehole sealing device according to claim 1, it is characterised in that: the solid Guan Yuanhuan
(5) internal diameter of outer diameter and hollow body (1) is adapted, and described solid Guan Yuanhuan (5) are equipped with and liquid injection pipe (7), Grouting Pipe
(8), the adaptable circular hole of water pipe (9) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920205693.6U CN209510288U (en) | 2019-02-15 | 2019-02-15 | A kind of underground coal mine water guide borehole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920205693.6U CN209510288U (en) | 2019-02-15 | 2019-02-15 | A kind of underground coal mine water guide borehole sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510288U true CN209510288U (en) | 2019-10-18 |
Family
ID=68204313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920205693.6U Expired - Fee Related CN209510288U (en) | 2019-02-15 | 2019-02-15 | A kind of underground coal mine water guide borehole sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209510288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630061A (en) * | 2019-02-15 | 2019-04-16 | 安徽理工大学 | A kind of underground coal mine water guide borehole sealing device |
-
2019
- 2019-02-15 CN CN201920205693.6U patent/CN209510288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630061A (en) * | 2019-02-15 | 2019-04-16 | 安徽理工大学 | A kind of underground coal mine water guide borehole sealing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103924945B (en) | The high-pressure slip-casting technique of rich water weathering fissures rock stratum under the Moderate and Thick Unconsolidated Formation of colliery | |
| CN108643877A (en) | Coal mine underground coal bed long drilled holes staged fracturing is anti-reflection and mash gas extraction method | |
| CN103195468A (en) | System process for conducting efficient strengthened extraction in surrounding rock | |
| CN205047207U (en) | Colliery binary channels segmentation in pit hydraulic fracturing device | |
| CN110344784B (en) | Water inrush treatment device for mine nearly horizontal directional drilling | |
| CN110424892B (en) | Water inrush treatment method for nearly horizontal directional drilling of mine | |
| CN104141470A (en) | Pore-forming and sealing method for hydraulic fracturing borehole casing section in underground coal mine | |
| CN106195616A (en) | A kind of liquid CO 2 bulking system | |
| CN109209293A (en) | A kind of crossdrift takes off projecting coal bed comprehensive outburst control construction method | |
| CN109139092B (en) | One-hole multipurpose construction method for treating impact and gas disaster of deep-buried coal seam | |
| CN102071961A (en) | Downward gas drainage drill hole and pressure testing drill hole sealing method | |
| CN106223931A (en) | A kind of system and method monitoring the growth of prearranged pillar gob side entry retaining floor crack | |
| CN110965955A (en) | Dust and blowout prevention device for coal mine gas drainage | |
| CN201560795U (en) | Apparatus for controlling dust with wind as medium during boring construction for gas drainage | |
| CN209510288U (en) | A kind of underground coal mine water guide borehole sealing device | |
| CN206144498U (en) | A drilling anchor structure for $monitoring bottom plate country rock crack | |
| CN106321001A (en) | Drill hole anchoring structure for monitoring floor surrounding rock fractures and construction method thereof | |
| CN206129216U (en) | Drilling blowout preventer regulatees watercourses in underground mine | |
| CN106968664A (en) | A kind of floor undulation destruction band deep drilling water filling detection method | |
| CN210858602U (en) | Novel pressure-bearing sleeve for water detecting and draining orifice | |
| CN204532332U (en) | Hydraulic flushing in hole coal output measurement mechanism | |
| CN109630061A (en) | A kind of underground coal mine water guide borehole sealing device | |
| CN216306002U (en) | Hydraulic cavitation orifice prevention device | |
| CN216197973U (en) | Underground drilling gas prevention and control system | |
| CN209277931U (en) | A kind of this coal bed gas extraction of underground coal mine drilling integrated apparatus |
Legal Events
| 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: 20191018 Termination date: 20200215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |