CN205349295U - Gas drainage under suction hole packer - Google Patents
Gas drainage under suction hole packer Download PDFInfo
- Publication number
- CN205349295U CN205349295U CN201620117782.1U CN201620117782U CN205349295U CN 205349295 U CN205349295 U CN 205349295U CN 201620117782 U CN201620117782 U CN 201620117782U CN 205349295 U CN205349295 U CN 205349295U
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- CN
- China
- Prior art keywords
- helical blade
- pipe
- releasing pipe
- rubber tube
- hole packer
- 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
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Abstract
The utility model discloses a gas drainage under suction hole packer belongs to the mine gas control technique field. The utility model discloses a first take out put tub, the second take out put tub, rubber tube, helical blade, intake pipe and slip casting pipe, still be provided with the internal thread on helical blade's the inner wall, helical blade below first is taken out to put and is provided with detachable annular spring washer on the pipe, the rear end of putting the pipe was taken out to the second outer wall be equipped with with the helical blade inner wall on internal thread engaged with external screw thread. The utility model discloses a slip casting liquid and helical blade come quick to carry out the hole sealing to drilling between rubber tube, helical blade and the rubber tube, and can also overcoming the hole packer, seal sternly or the coal body warp the problem that back gas leakage was become invalid, avoid secondary hole sealing work load big and then increase construction cost, and the subunit of portion can repetitious usage moreover, practices thrift the cost, this hole packer simple structure, and design benefit, the cost of manufacture is low, and the hole sealing is effectual, and the suitability is strong, safe and reliable, economy and social are showing.
Description
Technical field
This utility model relates to mine gas prevention and control technical field, more particularly, it relates to a kind of gas drainage hole packer.
Background technology
High speed development along with coal industry and coal production mechanization, gas and dust problem in coal production are more and more prominent, the event of gas and coal-dust explosion happens occasionally, particularly recently as the increase of the pit mining degree of depth, coal-bed gas pressure, gas bearing capacity are gradually increased, in order to ensure mine safety, mine is adopted, is dug the commonly used boring Gas pre-drainage new technology of work surface, thus the closure brought between extraction hole and extraction pipeline and sealing problem.
Tradition short-cut method is directly to adopt cement mortar sealing of hole, is inserted by gas drainage pipe and blocks then by cementing with timber wedge or cotton yarn bottom the sealing of hole section of boring, just can bleed after Behavior of Hardened Cement Paste slurry solidification.Expending time in length with cement mortar sealing of hole water filling, sealing effectiveness is not good enough, bears air pressure indifferent, and expends that material is many, inconvenient operation.And cement mortar closure in application in hard, hard coal seam, but the plugging effect of soft seam is poor.Additionally, in the construction of underground coal mine sealing of hole, often there is first sealing of hole poor effect or along with recovery percent aggravation, coal deformation occur, originally isolated crack is made to link up with extraneous, produce gas leakage, cause the situation that sealing of hole lost efficacy, and now ensure sealing of hole effect according to second reaming, sealing of hole operation, workload can be increased, reduce economic benefit.
Utility model content
1. utility model to solve the technical problem that
The purpose of this utility model is in that to overcome deficiency of the prior art, provide a kind of gas drainage hole packer, the technical solution of the utility model is adopted to pass through rubber tube, between helical blade and rubber tube, boring is quickly carried out sealing of hole by injection slurry and helical blade, hole packer envelope can also be overcome not tight or the problem of air leakage failure after coal deformation, avoid secondary hole sealing workload big and then increase construction cost, and section components can repeatedly use, save cost, this hole packer simple in construction, design ingenious, cost of manufacture is low, sealing of hole is effective, easy to operate, the suitability is strong, safe and reliable, economic and social benefit is notable.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that this utility model provides is:
A kind of gas drainage hole packer of the present utility model, including the first releasing pipe, second releasing pipe, rubber tube, helical blade, air inlet pipe and Grouting Pipe, described helical blade is set on the second releasing pipe, the spacing of helical blade and blade blade screw rise oblique angle, this three of the height of screw blade keeps respective equal proportion to change, the inwall of helical blade is additionally provided with female thread, the first releasing pipe below helical blade is provided with dismountable cyclic spring pad, the outer wall of the rear end of the second described releasing pipe is provided with the external screw thread being meshed with female thread on helical blade inwall, second releasing pipe and the first releasing pipe are threaded connection, described rubber tube is fixed on the first releasing pipe by clip, described air inlet pipe is embedded in the groove on the second releasing pipe surface and is communicated in rubber tube, air inlet pipe is provided with the first Pressure gauge, the end of air inlet pipe is connected to source of the gas, the outlet of described Grouting Pipe is arranged in the gap between helical blade and rubber tube.
Further improving as of the present utility model, the rear end of the second described releasing pipe is additionally provided with observation window.
Further improving as of the present utility model, described helical blade is pyramidal structure.
Further improving as of the present utility model, the front end of the first described releasing pipe is disposed with guide head, aspirating hole and filter.
Further improving as of the present utility model, the rear end of the second described releasing pipe is provided with valve and the second Pressure gauge.
Further improving as of the present utility model, described source of the gas is inflator.
3. beneficial effect
The technical scheme adopting this utility model to provide, compared with prior art, has following remarkable result:
(1) a kind of gas drainage hole packer of the present utility model, boring to be carried out sealing of hole by injection slurry and helical blade between rubber tube, helical blade and rubber tube simultaneously, to overcome hole packer envelope not tight or the problem of air leakage failure after coal deformation, secondary hole sealing workload can also be avoided big, increase construction cost.
(2) a kind of gas drainage hole packer of the present utility model, rubber tube can rapidly adapt to slurry pressure during slip casting between the gas pressure in drill hole inner wall pressure, rubber tube and helical blade and rubber tube, the problem that can effectively solve the problem that the sealing of hole weak effect that the wall of a borehole is coarse, out-of-flatness causes, safe and reliable.
(3) a kind of gas drainage hole packer of the present utility model, the rear end of the second releasing pipe adds Pressure gauge, it is possible to the pressure in display hole packer in real time, the situation in hole packer is had perception intuitively, it is possible to increase efficiency, convenient operation.
(4) a kind of gas drainage hole packer of the present utility model, at the front end aspirating hole of the first releasing pipe, it is possible to give and prevent boring from being blocked by the air inlet of releasing pipe when collapse hole, convenient and swift safety.
(5) a kind of gas drainage hole packer of the present utility model, the setting of cyclic spring pad makes phase swelling between elastomeric pad with boring, make sealing effectiveness better, injection slurry is sealed between elastomeric pad and rubber tube simultaneously, uncontaminated second releasing pipe so that the second repeatable utilization of releasing pipe, saves material, economic and environment-friendly, use also convenient.
(6) a kind of gas drainage hole packer of the present utility model, the front end of the first releasing pipe adds guide head, it is ensured that gas hole packer is not blocked by coal slime, and inlet hole is more smooth.
(7) a kind of gas drainage hole packer of the present utility model, the rear end of the second releasing pipe adds observation window, can the extraction situation of water, coal grain etc. in observation port at any time, can determine that the process cycle of sedimentation tank, and then infer boring and the inner case of place rib, can not getable information for ore deposit pressure research offer additive method.
(8) a kind of gas drainage hole packer of the present utility model, helical blade is pyramidal structure, can not only rapidly and efficiently sealing of hole, be also easy to exit boring, and reusable.
(9) a kind of gas drainage hole packer of the present utility model, simple in construction, design ingenious, and cost of manufacture is low, and sealing of hole is effective, easy to operate, and the suitability is strong, and safe and reliable, economic and social benefit is notable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of gas drainage hole packer of the present utility model.
Label declaration in schematic diagram:
1, the first releasing pipe；11, elastomeric pad；12, filter；13, aspirating hole；14, guide head；2, the second releasing pipe；21, observation window；22, the second Pressure gauge；23, valve；3, rubber tube；4, helical blade；5, air inlet pipe；51, the first Pressure gauge；52, inflator；6, Grouting Pipe.
Detailed description of the invention
For further appreciating that content of the present utility model, in conjunction with drawings and Examples, this utility model is described in detail.
Embodiment 1
As shown in Figure 1, a kind of gas drainage hole packer in the present embodiment, including the first releasing pipe 1, second releasing pipe 2, rubber tube 3, helical blade 4, air inlet pipe 5 and Grouting Pipe 6, described helical blade 4 is set on the second releasing pipe 2, helical blade 4 is pyramidal structure, can not only rapidly and efficiently sealing of hole, it is also easy to exit boring, and it is reusable, the spacing of helical blade 4 and blade screw rise oblique angle, this three of the height of screw blade keeps respective equal proportion to change, the inwall of helical blade 4 is additionally provided with female thread, the first releasing pipe 1 below helical blade 4 is provided with dismountable cyclic spring pad 11, the setting of cyclic spring pad 11 makes phase swelling between elastomeric pad 11 with boring, make sealing effectiveness better, injection slurry is sealed between elastomeric pad 11 and rubber tube 3 simultaneously, uncontaminated second releasing pipe 2, make the second repeatable utilization of releasing pipe 2, save material, economic and environment-friendly, use also convenient, the outer wall of the rear end of the second described releasing pipe 2 is provided with the external screw thread being meshed with female thread on helical blade 4 inwall, second releasing pipe 2 and the first releasing pipe 1 are threaded connection, the rear end of the second releasing pipe 2 is provided with valve 23 and the second Pressure gauge 22, second Pressure gauge 22 can at the pressure in display hole packer in real time, situation in hole packer there is perception intuitively, efficiency can be improved, convenient operation, the rear end of the second releasing pipe 2 is additionally provided with observation window 21, can water in observation port at any time, the extraction situation of coal grain etc., can determine that the process cycle of sedimentation tank, and then infer the inner case of boring and place rib, can not getable information for ore deposit pressure research offer additive method, described rubber tube 3 is fixed on the first releasing pipe 1 by clip, rubber tube 3 can rapidly adapt to drill hole inner wall pressure, slurry pressure during slip casting between gas pressure and helical blade 4 and rubber tube 3 in rubber tube 3, can effectively solve the problem that the wall of a borehole is coarse, the problem of the sealing of hole weak effect that out-of-flatness causes, safe and reliable, the front end of the first releasing pipe 1 is disposed with guide head 14, aspirating hole 13 and filter 12, aspirating hole 13 can be given and prevent boring from being blocked by the air inlet of the first releasing pipe 1 when collapse hole, convenient and swift safety, the setting of guide head 14 can ensure that gas hole packer is not blocked by coal slime, inlet hole is more smooth, described air inlet pipe 5 is embedded in the groove on the second releasing pipe 2 surface and is communicated in rubber tube 3, air inlet pipe 5 is provided with the first Pressure gauge 51, the end of air inlet pipe 5 is connected to source of the gas, source of the gas is inflator 52, the outlet of described Grouting Pipe 6 is arranged in the gap between helical blade 4 and rubber tube 3, Grouting Pipe 6 is embedded in another groove on the second releasing pipe 2 surface, by rubber tube 3, between helical blade 4 and rubber tube 3, boring is carried out sealing of hole by injection slurry and helical blade 4 simultaneously, to overcome hole packer envelope not tight or the problem of air leakage failure after coal deformation, secondary hole sealing workload can also be avoided big and increase construction cost, during sealing of hole, by air inlet pipe 5, rubber tube 3 is first expanded, rubber tube 3 two ends clip ties up, become convex-concave profile, increase the frictional force with coal body, between helical blade 4 and rubber tube 3, injection slurry is filled and then by Grouting Pipe 6, play good fixation, when preventing sealing of hole, gas pressure is excessive or gas drainage pipe is released by spray orifice.
Schematically this utility model and embodiment thereof being described above, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, when creating objective without departing from this utility model, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (6)
1. a gas drainage hole packer, it is characterized in that: include the first releasing pipe (1), second releasing pipe (2), rubber tube (3), helical blade (4), air inlet pipe (5) and Grouting Pipe (6), described helical blade (4) is set on the second releasing pipe (2), the spacing of helical blade (4) and blade screw rise oblique angle, this three of the height of screw blade keeps respective equal proportion to change, the inwall of helical blade (4) is additionally provided with female thread, first releasing pipe (1) of helical blade (4) lower section is provided with dismountable cyclic spring pad (11), the outer wall of the rear end of described the second releasing pipe (2) is provided with the external screw thread being meshed with female thread on helical blade (4) inwall, second releasing pipe (2) and the first releasing pipe (1) are threaded connection, described rubber tube (3) is fixed on the first releasing pipe (1) by clip, described air inlet pipe (5) is embedded in the groove on the second releasing pipe (2) surface and is communicated in rubber tube (3), air inlet pipe (5) is provided with the first Pressure gauge (51), the end of air inlet pipe (5) is connected to source of the gas, the outlet of described Grouting Pipe (6) is arranged in the gap between helical blade (4) and rubber tube (3).
2. a kind of gas drainage hole packer according to claim 1, it is characterised in that: the rear end of described the second releasing pipe (2) is additionally provided with observation window (21).
3. a kind of gas drainage hole packer according to claim 2, it is characterised in that: described helical blade (4) is pyramidal structure.
4. a kind of gas drainage hole packer according to claim 3, it is characterised in that: the front end of described the first releasing pipe (1) is disposed with guide head (14), aspirating hole (13) and filter (12).
5. a kind of gas drainage hole packer according to claim 4, it is characterised in that: the rear end of described the second releasing pipe (2) is provided with valve (23) and the second Pressure gauge (22).
6. a kind of gas drainage hole packer according to claim 5, it is characterised in that: described source of the gas is inflator (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117782.1U CN205349295U (en) | 2016-02-03 | 2016-02-03 | Gas drainage under suction hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117782.1U CN205349295U (en) | 2016-02-03 | 2016-02-03 | Gas drainage under suction hole packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205349295U true CN205349295U (en) | 2016-06-29 |
Family
ID=56179363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620117782.1U Expired - Fee Related CN205349295U (en) | 2016-02-03 | 2016-02-03 | Gas drainage under suction hole packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205349295U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756809A (en) * | 2018-07-23 | 2018-11-06 | 中南大学 | A kind of method for sealing of shield tunnel geological prospecting borehole |
| CN110454207A (en) * | 2019-09-02 | 2019-11-15 | 河南理工大学 | Deep fractures exploit floor rock alley way anchor and take out integral method |
| CN114183089A (en) * | 2021-12-14 | 2022-03-15 | 河南能源化工集团研究总院有限公司 | Novel blowout preventer for underground drilling of coal mine |
-
2016
- 2016-02-03 CN CN201620117782.1U patent/CN205349295U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756809A (en) * | 2018-07-23 | 2018-11-06 | 中南大学 | A kind of method for sealing of shield tunnel geological prospecting borehole |
| CN110454207A (en) * | 2019-09-02 | 2019-11-15 | 河南理工大学 | Deep fractures exploit floor rock alley way anchor and take out integral method |
| CN110454207B (en) * | 2019-09-02 | 2020-11-13 | 河南理工大学 | Anchor pumping integrated method for deep coal seam mining floor rock roadway |
| CN114183089A (en) * | 2021-12-14 | 2022-03-15 | 河南能源化工集团研究总院有限公司 | Novel blowout preventer for underground drilling of coal mine |
| CN114183089B (en) * | 2021-12-14 | 2024-03-12 | 河南能源化工集团研究总院有限公司 | Novel colliery is beaten in pit and is bored blowout preventer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20170203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |