CN208858403U - A kind of flexible apparatus for goaf leak stopping - Google Patents
A kind of flexible apparatus for goaf leak stopping Download PDFInfo
- Publication number
- CN208858403U CN208858403U CN201821583203.8U CN201821583203U CN208858403U CN 208858403 U CN208858403 U CN 208858403U CN 201821583203 U CN201821583203 U CN 201821583203U CN 208858403 U CN208858403 U CN 208858403U
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- China
- Prior art keywords
- screen
- goaf
- leak stopping
- hoisting rope
- flexible
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Abstract
The utility model discloses a kind of flexible apparatus for goaf leak stopping, including be made of several screens flexible curtain, hoisting rope and row tailstock after tail boom, four side of screen is provided with several connecting holes, wear hoisting rope in the connecting hole at the top of screen, the screen is lifted on after row's tailstock on tail boom by the hoisting rope in the connecting hole of top；Connector is set on the connecting hole of the screen two sides and bottom, is linked together between the screen by connector；Screen is provided with 1-3 layers from top to bottom, slips baffle surface after the contact of screen bottom described in lowest level.The gas that the device reduces goaf pours in working face, guarantees that coal mine production safety carries out.
Description
Technical field
A kind of flexible apparatus for goaf leak stopping of the utility model, belongs to mining equipment technical field.
Background technique
Coal mine gas gather be Safety of Coal Mine Production major hidden danger, easily cause gas explosion, cause group's dead group wound, institute
To reinforce mine gas prevention and control management, adopting an effective measure handles gas and gathers, and it is necessary for preventing gas exceeding limit.Due to
Goaf air leaking naturally occurring in fully-mechanized mining working exploitation process, can not eliminate, and the high concentration gas for carrying of leaking out can return
It rolls back and rationalize and finally imports air return system, be directed to coal working face gas problem at present, gather one both for face gas greatly
Determine to be aerated extraction processing after concentration, be handled for Gas, but leaves that it accumulates to upper corner and does again
Processing, is not from the beginning handled gas, the difficulty of gas drawing station after increasing.
Utility model content
To solve the shortcomings of the prior art, the utility model discloses a kind of flexibility dresses for goaf leak stopping
It sets, the gas which reduces goaf pours in working face, guarantees that coal mine production safety carries out.
The technology employed by the present utility model is
A kind of flexible apparatus for goaf leak stopping, including be made of several screens flexible curtain, hoisting rope and
Tail boom after row's tailstock, four side of screen is provided with several connecting holes, wears lifting in the connecting hole at the top of screen
Rope, the screen is lifted on by the hoisting rope in the connecting hole of top arrange tailstock after on tail boom；The screen two sides and bottom
Connector is set on the connecting hole in portion, is linked together between the screen by connector；Screen is arranged from top to bottom
There are 1-3 layers, slips baffle surface after the contact of screen bottom described in lowest level；
It is arranged one after row's tailstock on tail boom from front to back to layer flexible curtain.
The screen is flexible insulation material.The screen is balata belt.
The screen quantity is two pieces or more.
The hoisting rope both ends are provided with suspension hook, and the hoisting rope and suspension hook are isolation material.
The connector is isolation material closedown structure.
The bottom of the flexibility curtain is provided with counter weight strip, the counter weight strip outsourcing insulating layer coating.
The utility model has the advantages that compared with prior art
After increasing flexible air curtain leak stopping, so that the depth of goaf air leaking reduces, the range shorter to leak out increases simultaneously
Big neighbouring goaf pours in the length of working face, so that the inleakage for keeping working face total reduces, the high concentration watt for carrying of leaking out
This amount declines therewith.
The flexible curtain that waste and old belt is made into is fixed on above rear tail boom, keeps its self-heating sagging, is formed natural together
Screen, make goaf air leaking more to old man direction migrate, in goaf under the action of pipe laying, to leak into goaf gas and
Neighbouring work face goaf gushes out gas and carries out extraction, weakens or eliminate to leak out at upper corner carrying the shadow of high concentration gas
It rings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is flexible curtain structural schematic diagram；
Fig. 3 is that layer flexible curtain hangs schematic diagram；
Fig. 4 is without using flexible curtain and to increase influence comparison diagram of the flexible curtain to goaf air leaking；
Fig. 5 is embodiment working face measuring point value arrangement map；
Fig. 6 is embodiment data observation point concentration trend chart；
Fig. 7 is embodiment working face layout and each point variation ofgas density tendency chart.
In figure: 1 is screen, and 2 be hoisting rope, and 3 be tail boom after row's tailstock, and 4 be connecting hole, and 5 be connector, 6 be after slip
Baffle, 7 be layer flexible curtain, and 8 be counter weight strip, and 9 be row's tailstock.
Specific embodiment
The utility model is described in further detail with attached drawing combined with specific embodiments below, but the utility model
Protection scope be not limited to these examples, it is all without departing substantially from the utility model design change or equivalent substitute be included in
Within the protection scope of the utility model.
As shown in Figure 1, a kind of flexible apparatus for goaf leak stopping of the utility model, including by 1 group of several screens
At flexible curtain 7, hoisting rope 2 and row tailstock after tail boom 3,1 four side of screen is provided with several connecting holes 4, screen 1
Hoisting rope 2 is worn in the connecting hole 4 at top, the screen 1 passes through 2 row of being lifted on of hoisting rope in top connecting hole 4
After tailstock on tail boom 3；Connector 5 is set on the connecting hole 4 of 1 two sides of screen and bottom, is passed through between the screen 1
Connector 5 links together；Screen 1 is provided with 1-3 layers from top to bottom, slips gear after the contact of 1 bottom of screen described in lowest level
6 surface of plate；
It is arranged one after row's tailstock on tail boom 3 from front to back to layer flexible curtain 7.
The screen 1 is flexible insulation material.The screen 1 is balata belt.
1 quantity of screen is two pieces or more.
2 both ends of hoisting rope are provided with suspension hook, and the hoisting rope and suspension hook are isolation material.
The connector 5 is isolation material closedown structure.
The bottom of the flexibility curtain 7 is provided with counter weight strip 8, the 8 outsourcing insulating layer coating of counter weight strip.
The guarantee of layer flexible curtain is kept out the wind tightly, and flexible curtain is assembled by multiple screens, is adapted to varying environment,
It being connected between flexible curtain using connector, the bottom of the flexibility curtain 7 is provided with counter weight strip 8, guarantee that curtain is not floatd disorderly, into
One step reinforces windproof effect, and improves installation effectiveness.
The 8 outsourcing insulating layer coating of counter weight strip, screen 1 are flexible insulation material, and connector 5 is isolation material locking knot
Structure isolation material avoids generating collision spark in installation or use process, improves the safety at fully mechanized mining scene.
By being investigated to our company production scene, hold after last row tailstock tail boom and after the height slipped between baffle be about 800-
1000mm, due to there is the protection of mesh sheet after the tail feeding of end, being caving space is the biggish stone of lumpiness, while having air quantity from goaf
It leaks out, in conjunction with the physical structure of tail boom, hanging is after file leader, row's tailstock after waste and old 800mm belt is cut and increases connecting hole
On tail boom, totally 9 frame, the every long 1750mm of section belt, wide 800mm, with working face extraction, when moving frame after tail boom slightly decline, with
After slip to Forward, keep belt to be suspended on rear tail boom and slip baffle space with after.Rearview such as Fig. 4 institute is hung to fully mechanized mining scene
Show.After increasing flexible air curtain leak stopping, so that the depth of goaf air leaking reduces, the range shorter to leak out increases simultaneously
Neighbouring goaf pours in the length of working face, so that the inleakage for keeping working face total reduces, the high concentration gas amount for carrying of leaking out
Decline therewith.
After live flexibility curtain suspension, data observation, observation point packet are carried out to the measuring point in coverage by ventilation scheduling
Upper corner observation point 9 are included, end 5 row's tailstock rears of tail hang 5 measuring points in front of belt, and every 2 hours observation is primary, see altogether
It surveys 5 days, end tail measuring point value arrangement map is as shown in Figure 5.Simultaneously to face upper corner angle during test, after the place's of slipping gas density hold
Continuous tracking.
By data observation, tail boom hangs gas density at flexible curtain after primary focus concern row's tailstock, observes data
As shown in fig. 6, as shown in Figure 6 after arrangement: measuring point gas density is generally consistent with change of production trend, concentration variation zone
Between between 0.65-1.34%, while show production class's concentration be greater than maintenance crew, synchronization 10-15# measuring point gas density
Be sequentially reduced, 5# arrange tailstock rear gas density highest, illustrate be herein the main thoroughfare leaked out and goaf air leaking and
Neighbouring goaf gas influences main region, and after belt blocks, partially leaking out to be forced blocks rear to old man, by goaf
Pipe laying extraction, residue still leaked out from gap, and then influence upper corner and after slip gas density.
In test period section, each measuring point gas density has stable downward trend, as shown in Figure 7: working face is in June 16
Day is in stable yields state to working face on June 23, in test section, working face each point gas density held stationary.
Due to goaf air leaking in fully-mechanized mining working exploitation process naturally occurring, can not eliminate, carrying of leaking out it is highly concentrated
Degree gas can return to final remittance air return system of rolling back and rationalizing, and by field research, tail boom slips top after putting coal with after after arranging tailstock
For the biggish stone of lumpiness, gap is larger, is to leak out to carry the main thoroughfare that high concentration gas is rolled back and rationalized, waste and old belt is consolidated
It is scheduled on above rear tail boom, keeps its self-heating sagging, form natural screen together, transport goaf air leaking more to old man direction
It moves, in goaf under the action of pipe laying, carries out extraction to leaking into goaf gas and gushing out gas adjacent to work face goaf, subtract
It leaks out at weak or elimination upper corner and carries the influence of high concentration gas.
The utility model is not limited by embodiment illustrated herein, and is to fit to and principles disclosed herein and new
The consistent widest range of newness feature.
Claims (7)
1. a kind of flexible apparatus for goaf leak stopping, which is characterized in that including the flexible curtain being made of several screens (1)
Tail boom (3) after body (7), hoisting rope (2) and row's tailstock, (1) four side of screen is provided with several connecting holes (4), screen
(1) it is worn hoisting rope (2) in the connecting hole (4) at the top of, the screen (1) is hung by the hoisting rope in the connecting hole of top
Loaded on tail boom (3) after row's tailstock；Connector (5) are set on the connecting hole of the screen two sides and bottom, the screen
Between linked together by connector；Screen is provided with 1-3 layers from top to bottom, after the contact of screen bottom described in lowest level
Slip baffle (6) surface；
It is arranged one after row's tailstock on tail boom (3) from front to back to layer flexible curtain (7).
2. a kind of flexible apparatus for goaf leak stopping according to claim 1, which is characterized in that the screen is
Flexible insulation material.
3. a kind of flexible apparatus for goaf leak stopping according to claim 1, which is characterized in that the screen is
Balata belt.
4. a kind of flexible apparatus for goaf leak stopping according to claim 1, which is characterized in that the screen number
Amount is two pieces or more.
5. a kind of flexible apparatus for goaf leak stopping according to claim 1, which is characterized in that the hoisting rope two
End is provided with suspension hook, and the hoisting rope and suspension hook are isolation material.
6. a kind of flexible apparatus for goaf leak stopping according to claim 1, which is characterized in that the connector is
Isolation material closedown structure.
7. a kind of flexible apparatus for goaf leak stopping according to claim 1, which is characterized in that the flexibility curtain
(7) bottom is provided with counter weight strip (8), the counter weight strip outsourcing insulating layer coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583203.8U CN208858403U (en) | 2018-09-27 | 2018-09-27 | A kind of flexible apparatus for goaf leak stopping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583203.8U CN208858403U (en) | 2018-09-27 | 2018-09-27 | A kind of flexible apparatus for goaf leak stopping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858403U true CN208858403U (en) | 2019-05-14 |
Family
ID=66419560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821583203.8U Expired - Fee Related CN208858403U (en) | 2018-09-27 | 2018-09-27 | A kind of flexible apparatus for goaf leak stopping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208858403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117052412A (en) * | 2023-10-10 | 2023-11-14 | 太原理工大学 | Gob-side entry driving method for high-gas coal seam |
-
2018
- 2018-09-27 CN CN201821583203.8U patent/CN208858403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117052412A (en) * | 2023-10-10 | 2023-11-14 | 太原理工大学 | Gob-side entry driving method for high-gas coal seam |
| CN117052412B (en) * | 2023-10-10 | 2023-12-12 | 太原理工大学 | Gob-side entry driving method for high-gas coal seam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20190927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |