CN205477518U - Boring press seal hole device in colliery - Google Patents

Boring press seal hole device in colliery Download PDF

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Publication number
CN205477518U
CN205477518U CN201620020477.0U CN201620020477U CN205477518U CN 205477518 U CN205477518 U CN 205477518U CN 201620020477 U CN201620020477 U CN 201620020477U CN 205477518 U CN205477518 U CN 205477518U
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China
Prior art keywords
polyurethane
hole
sealing
hole sealing
pipe
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Active
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CN201620020477.0U
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Chinese (zh)
Inventor
王庆永
孙淮北
曹怀威
董景帅
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Huaibei Mining Co Ltd
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Huaibei Mining Co Ltd
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Priority to CN201620020477.0U priority Critical patent/CN205477518U/en
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Abstract

The utility model discloses a boring press seal hole device in colliery, stretch into the hole sealing device body in the drilling including one end, hole sealing device body includes and has cup jointed the portion of tying up on the lateral wall of hole sealing iron pipe by the hole sealing iron pipe, and the slip casting pipe has been tied up in keeping away from the one end of drilling by the portion of tying up, and the slip casting pipe is kept away from the one end of drilling and is passed through connecting portion connection polyurethane container, use the technical scheme of the utility model, through the inflation foaming back of the polyurethane in the polyurethane container, can drill hole sealing section and pore wall crack to the colliery and effectively fill to the realization is taken the densification and is closed the hole sealing, has improved the hole sealing effect, has improved the security, polyurethane can need seal whole airtight the filling of hole area, guarantees the hole sealing tightness, have certain elasticity behind the polyurethane foam, can not produce the crack after receiving the extrusion, guaranteed the tightness of hole sealing, use the polyurethane hole sealing and adopt pure flow greatly increased than using taking out of grout hole sealing, improved the rate of adopting of taking out, guaranteed the back production of working face safety, improved the security.

Description

A kind of coal mine drilling press seal aperture apparatus
Technical field
This utility model relates to colliery plugging equipment technical field, particularly to a kind of coal mine drilling press seal aperture apparatus.
Background technology
In coal production, High Position Drilling is the boring constructed in Roof Rock Strata of Coal Seam at air way, Main Function is that the roof fracture formed using working face extraction mining pressure draws out methane as passage, and reduce upper contiguous seam gas and pour into the probability of work surface, simultaneously, the gas of lower goaf is played pulling function, reduces the goaf gas outburst amount to work surface and the gas bearing capacity of upper corner.
Affect High Position Drilling gas drainage results because have: key stratum (between caving zone and fissure zone), bore diameter, negative pressure of suction, boring effective depth etc..Extraction negative pressure is determined by extraction system and sealing of hole tightness, it is ensured that sealing of hole tightness, is to ensure that the important measures of extracting result.
Existing colliery high position drill site all uses cement mortar sealing of hole with pressure.
When using cement mortar that the boring of high-order drill site is carried out sealing of hole, after cement precipitation, there is water on sealing of hole section top, decreases the length of actual sealing of hole, affected by dip angle of hole, general dip angle of hole is 6 °~15 °, and after cement precipitation, sealing of hole top is horizontal planar, decreases the sealed borehole length of reality.
When using cement mortar that the boring of high-order drill site is carried out sealing of hole, by adopting and crustal stress is affected after drilling and sealing, can be deformed, make cement mortar sealing of hole section extrusion fracture, cause leaking gas, have impact on sealing effectiveness.
As can be seen here, when using cement mortar that the boring of high-order drill site is carried out sealing of hole, by mining influence and the defect of cement mortar physical property, boring gas leakage can be caused, extracting result is poor, thus add the goaf gas outburst amount to work surface and the gas bearing capacity of upper corner, it is easily caused security incident and occurs.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of coal mine drilling press seal aperture apparatus that improve safety.
For achieving the above object, the technical scheme that this utility model offer is following: a kind of coal mine drilling press seal aperture apparatus, the hole sealing device body in boring is stretched into including one end, hole sealing device body includes sealing of hole iron pipe, it is socketed with tie part on the sidewall of sealing of hole iron pipe, tie part has tied up Grouting Pipe in the one end away from boring, and Grouting Pipe connects polyurethane containers away from one end of boring by connecting portion.
Preferably, tie part includes the fixing sponge one being banded in sealing of hole iron pipe sidewall two ends, is provided with the fixing sponge two being banded in the middle part of sealing of hole iron pipe sidewall between the fixing sponge one at two ends, has tied up Grouting Pipe in the fixing sponge one away from boring one end.
Preferably, connecting portion includes the snap joint removably connected with Grouting Pipe away from the one end holed, and the other end of snap joint is removably connected with grout outlet, and the other end of grout outlet removably connects with the grout outlet of polyurethane containers.
Preferably, polyurethane containers includes polyurethane storage tank, the lower surface of polyurethane storage tank is provided with the grout outlet being connected with grout outlet, and the upper surface of polyurethane storage tank is provided with charging aperture and air inlet, and the sidewall of polyurethane storage tank is provided with the bracing frame that one end is connected with ground.
Preferably, polyurethane storage tank is hourglass shape.
Preferably, sealing of hole iron pipe connects near one end of boring has guard aperture pipe, one end of guard aperture pipe to be against on the wall of a borehole.
Preferably, Grouting Pipe and grout outlet are 4 points of flexible pipes.
Above technical scheme is used to provide the benefit that: on the sidewall of sealing of hole iron pipe, to be socketed with tie part, tie part has tied up Grouting Pipe in the one end away from boring, tie part includes the fixing sponge one being banded in sealing of hole iron pipe sidewall two ends, the fixing sponge two being banded in the middle part of sealing of hole iron pipe sidewall it is provided with between the fixing sponge one at two ends, Grouting Pipe has been tied up in fixing sponge one away from boring one end, a part for sealing of hole iron pipe sidewall can be wrapped by fixing sponge one and fixing sponge two, decrease gap, thus decrease the polyurethane quantity needing to use, save cost, also Grouting Pipe can be fixed in the borehole, ensure that the stability in use, improve safety;Grouting Pipe connects polyurethane containers away from one end of boring by connecting portion, by the polyurethane in polyurethane containers expanded foamed after, it is possible to coal mine drilling sealing of hole section and hole wall crack are carried out effective filling, thus realize airtight sealing of hole with pressure, improve sealing of hole effect, further increase safety;Use polyurethane sealing of hole can eliminate the problem that in cement mortar sealing of hole, effective sealing of hole section is short, can will need the whole airtight filling in sealing of hole region, it is ensured that sealing of hole tightness, improve safety;There is after polyurethane foam certain elasticity, crack will not be produced after being squeezed, it is ensured that the tightness of sealing of hole, further increase safety;The pure flow-rate ratio of extraction using polyurethane sealing of hole uses the pure flow of extraction of cement mortar sealing of hole to be greatly increased, and improves extraction rate, it is ensured that work surface safety coal extraction, further increases safety.
Connecting portion includes the snap joint removably connected with Grouting Pipe away from the one end holed, the other end of snap joint is removably connected with grout outlet, staff passes through snap joint, need not use instrument to connect going out Grouting Pipe with grout outlet or disconnect, it is easy to staff's timely polyurethane that injects in boring after note reunites the black material of urethane expect in vain, it is effectively saved the working time, improves work efficiency, reduce the labor intensity of staff;The other end of grout outlet removably connects with the grout outlet of polyurethane containers, grout outlet removably connects with grout outlet, it is easy to staff and periodically grout outlet and grout outlet are cleaned maintenance, reduce further the labor intensity of staff, improve work efficiency.
Polyurethane containers includes that polyurethane storage tank, the lower surface of polyurethane storage tank are provided with the grout outlet being connected with grout outlet, is easy to be injected in grout outlet polyurethane by grout outlet, improves work efficiency;The upper surface of polyurethane storage tank is provided with charging aperture and air inlet, charging aperture is set and is easy to staff's filled polyurethane in polyurethane containers, polyurethane containers is pressure wind container, arrange air inlet to be easy to be transported in grout outlet by the polyurethane in polyurethane containers by wind-force, improve work efficiency, save cost;The sidewall of polyurethane storage tank is provided with the bracing frame that one end is connected with ground, it is ensured that the stability in use, improves safety.
Polyurethane storage tank is hourglass shape, it is simple to polyurethane discharging, improves work efficiency.
Sealing of hole iron pipe connects near one end of boring has guard aperture pipe, one end of guard aperture pipe to be against on the wall of a borehole, it is possible to prevents weak seam collapse hole, improves safety.
Grouting Pipe and grout outlet are 4 points of flexible pipes, it is simple to are injected in boring by Grouting Pipe by the polyurethane in grout outlet and carry out sealing of hole work, improve work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of coal mine drilling press seal aperture apparatus;
Fig. 2 is the partial schematic diagram of " sealing of hole iron pipe, tie part, Grouting Pipe and guard aperture pipe " in the coal mine drilling press seal aperture apparatus of this utility model one shown in Fig. 1.
Figure is labeled as: 1, boring;2, sealing of hole iron pipe;3, Grouting Pipe;4, fixing sponge one;5, fixing sponge two;6, polyurethane;7, snap joint;8, grout outlet;9, grout outlet;10, polyurethane storage tank;11, charging aperture;12, air inlet;13, bracing frame;14, guard aperture pipe.
Detailed description of the invention
Describe the preferred implementation of this utility model a kind of coal mine drilling press seal aperture apparatus below in conjunction with the accompanying drawings in detail.
nullFig. 1 and Fig. 2 shows the detailed description of the invention of this utility model a kind of coal mine drilling press seal aperture apparatus: this coal mine drilling press seal aperture apparatus,The hole sealing device body in boring 1 is stretched into including one end,Hole sealing device body includes sealing of hole iron pipe 2,It is socketed with tie part on the sidewall of sealing of hole iron pipe 2,Tie part has tied up Grouting Pipe 3 in the one end away from boring 1,Tie part includes the fixing sponge 1 being banded in sealing of hole iron pipe 2 sidewall two ends,The fixing sponge 25 being banded in the middle part of sealing of hole iron pipe 2 sidewall it is provided with between the fixing sponge 1 at two ends,Grouting Pipe 3 has been tied up in fixing sponge 1 away from 1 one end of holing,A part for sealing of hole iron pipe 2 sidewall can be wrapped by fixing sponge 1 and fixing sponge 25,Decrease gap,Thus decrease polyurethane 6 quantity needing to use,Save cost,Also Grouting Pipe 3 can be fixed in boring 1,Ensure that the stability in use,Improve safety;Grouting Pipe 3 connects polyurethane containers away from one end of boring 1 by connecting portion, by the polyurethane 6 in polyurethane containers expanded foamed after, coal mine drilling sealing of hole section and hole wall crack can be carried out effective filling, thus realize airtight sealing of hole with pressure, improve sealing of hole effect, further increase safety;Use polyurethane 6 sealing of hole can eliminate the problem that in cement mortar sealing of hole, effective sealing of hole section is short, can will need the whole airtight filling in sealing of hole region, it is ensured that sealing of hole tightness, improve safety;After polyurethane 6 foaming, there is certain elasticity, crack will not be produced after being squeezed, it is ensured that the tightness of sealing of hole, further increase safety;The pure flow-rate ratio of extraction using polyurethane 6 sealing of hole uses the pure flow of extraction of cement mortar sealing of hole to be greatly increased, and improves extraction rate, it is ensured that work surface safety coal extraction, further increases safety.
Connecting portion includes with Grouting Pipe 3 away from the snap joint 7 that removably connects of one end of boring 1, the other end of snap joint 7 is removably connected with grout outlet 8, staff passes through snap joint 7, need not use instrument to connect going out Grouting Pipe 3 with grout outlet 8 or disconnect, it is easy to staff's timely polyurethane that injects in boring after note reunites the black material of urethane expect in vain, it is effectively saved the working time, improves work efficiency, reduce the labor intensity of staff;The other end of grout outlet 8 removably connects with the grout outlet 9 of polyurethane containers, grout outlet 8 removably connects with grout outlet 9, it is easy to staff and periodically grout outlet 8 and grout outlet 9 are cleaned maintenance, reduce further the labor intensity of staff, improve work efficiency.
Polyurethane containers includes that polyurethane storage tank 10, the lower surface of polyurethane storage tank 10 are provided with the grout outlet being connected with grout outlet 8, is easy to be injected in grout outlet 8 polyurethane 6 by grout outlet 9, improves work efficiency;The upper surface of polyurethane storage tank 10 is provided with charging aperture 11 and air inlet 12, charging aperture 11 is set and is easy to staff filled polyurethane 6 in polyurethane containers, polyurethane containers is pressure wind container, arrange air inlet 12 to be easy to be transported in grout outlet 8 by the polyurethane 6 in polyurethane containers by wind-force, improve work efficiency, save cost;The sidewall of polyurethane storage tank 10 is provided with the bracing frame 13 that one end is connected with ground, it is ensured that the stability in use, improves safety.
Polyurethane storage tank 10 is hourglass shape, it is simple to polyurethane 6 discharging, improves work efficiency.
Sealing of hole iron pipe 2 connects near one end of boring 1 has guard aperture pipe 14, one end of guard aperture pipe 14 to be against on the wall of a borehole, it is possible to prevents weak seam collapse hole, improves safety.
Grouting Pipe 3 and grout outlet 8 are 4 points of flexible pipes, it is simple to are injected in boring 1 by Grouting Pipe 3 by the polyurethane 6 in grout outlet 8 and carry out sealing of hole work, improve work efficiency.
Shown below is a extraction parameter comparison table using cement mortar sealing of hole and use polyurethane expansion sealing of hole.
Above-described is only preferred implementation of the present utility model; it should be pointed out that, for the person of ordinary skill of the art, on the premise of creating design without departing from this utility model; can also make some deformation and improvement, these broadly fall into protection domain of the present utility model.

Claims (7)

1. a coal mine drilling press seal aperture apparatus, the hole sealing device body in boring is stretched into including one end, it is characterized in that: described hole sealing device body includes sealing of hole iron pipe, it is socketed with tie part on the sidewall of sealing of hole iron pipe, Grouting Pipe has been tied up in the one end away from boring by sealing of hole portion, and Grouting Pipe connects polyurethane containers away from one end of boring by connecting portion.
Coal mine drilling press seal aperture apparatus the most according to claim 1, it is characterized in that: described tie part includes being banded in the fixing sponge one at sealing of hole iron pipe sidewall two ends, it is provided with the fixing sponge two being banded in the middle part of sealing of hole iron pipe sidewall between the fixing sponge one at two ends, in the fixing sponge one away from boring one end, ties up Grouting Pipe.
Coal mine drilling press seal aperture apparatus the most according to claim 2, it is characterized in that: described connecting portion includes the snap joint removably connected with Grouting Pipe away from the one end holed, the other end of snap joint is removably connected with grout outlet, and the other end of grout outlet removably connects with the grout outlet of polyurethane containers.
Coal mine drilling press seal aperture apparatus the most according to claim 3, it is characterized in that: described polyurethane containers includes polyurethane storage tank, the lower surface of polyurethane storage tank is provided with the grout outlet being connected with grout outlet, the upper surface of polyurethane storage tank is provided with charging aperture and air inlet, and the sidewall of polyurethane storage tank is provided with the bracing frame that one end is connected with ground.
Coal mine drilling press seal aperture apparatus the most according to claim 4, it is characterised in that: described polyurethane storage tank is hourglass shape.
Coal mine drilling press seal aperture apparatus the most according to claim 5, it is characterised in that: described sealing of hole iron pipe connects near one end of boring has guard aperture pipe, one end of guard aperture pipe to be against on the wall of a borehole.
Coal mine drilling press seal aperture apparatus the most according to claim 6, it is characterised in that: described Grouting Pipe and grout outlet are 4 points of flexible pipes.
CN201620020477.0U 2016-01-11 2016-01-11 Boring press seal hole device in colliery Active CN205477518U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620020477.0U CN205477518U (en) 2016-01-11 2016-01-11 Boring press seal hole device in colliery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620020477.0U CN205477518U (en) 2016-01-11 2016-01-11 Boring press seal hole device in colliery

Publications (1)

Publication Number Publication Date
CN205477518U true CN205477518U (en) 2016-08-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649573A (en) * 2016-01-11 2016-06-08 淮北矿业股份有限公司 Hole pressure sealing device for coal mine drill hole and use method of device
CN107339079A (en) * 2017-07-20 2017-11-10 中北大学 A kind of CO2Plugging device and its method for blocking
CN110593808A (en) * 2019-09-26 2019-12-20 中国矿业大学 Grout stopping plugging device and grouting anchor cable hole sealing grout stopping method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105649573A (en) * 2016-01-11 2016-06-08 淮北矿业股份有限公司 Hole pressure sealing device for coal mine drill hole and use method of device
CN107339079A (en) * 2017-07-20 2017-11-10 中北大学 A kind of CO2Plugging device and its method for blocking
CN107339079B (en) * 2017-07-20 2019-08-02 中北大学 A kind of CO2Plugging device and its method for blocking
CN110593808A (en) * 2019-09-26 2019-12-20 中国矿业大学 Grout stopping plugging device and grouting anchor cable hole sealing grout stopping method

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