CN110985115A - Filling device for coal mining of coal mine - Google Patents
Filling device for coal mining of coal mine Download PDFInfo
- Publication number
- CN110985115A CN110985115A CN201911353552.XA CN201911353552A CN110985115A CN 110985115 A CN110985115 A CN 110985115A CN 201911353552 A CN201911353552 A CN 201911353552A CN 110985115 A CN110985115 A CN 110985115A
- Authority
- CN
- China
- Prior art keywords
- air bag
- filling
- filling air
- gasbag
- rubber sleeve
- 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.)
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Links
- 239000003245 coal Substances 0.000 title claims abstract description 42
- 238000005065 mining Methods 0.000 title claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052742 iron Inorganic materials 0.000 claims abstract description 24
- 239000003292 glue Substances 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 21
- 235000012149 noodles Nutrition 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 9
- 241000209128 Bambusa Species 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a filling device for coal mining in a coal mine, which comprises a filling air bag and an inflating nozzle arranged on one surface of the filling air bag, wherein a one-way valve is arranged on one surface of the filling air bag, which is far away from the inflating nozzle, a first rubber sleeve and a second rubber sleeve are sleeved on the one-way valve, an external thread cylinder is arranged on the outer side of the second rubber sleeve, a cylinder body is sleeved on the external thread cylinder, a fixing ring is fixed on one side, which is far away from an internal thread, in the cylinder body, a thin iron sheet is arranged on one side, which is far away from the internal thread, of the fixing ring, and a magnet block is arranged on one surface, which faces the thin: the pressure relief function is provided, the filling air bag is prevented from being damaged by extrusion, and the purpose of stably stacking the filling air bag is achieved.
Description
Technical Field
The invention discloses a filling device for coal mining of a coal mine, and belongs to the field of coal mining equipment.
Background
Comprehensive mechanized coal mining refers to the whole production process of a coal face, and comprises all mechanization such as coal breaking, coal charging, coal conveying, supporting, goaf treatment, stoping roadway transportation, tunneling and the like. At present, a certain distance exists between the last hydraulic support in the upper air tunnel and the tunnel side of the upper air tunnel in the fully mechanized mining face, in order to prevent gas in a goaf from overflowing, a filling air bag is often used for plugging a gap between the hydraulic support and the upper air tunnel side, the gap is influenced by mine pressure, the upper air tunnel side and a coal seam roof are easily deformed, the filling air bag is further extruded, the filling air bag is easily damaged due to the fact that the filling air bag lacks a pressure release function, and the filling air bag is mostly oval after being inflated, and stacking stability is insufficient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a filling device for coal mining in a coal mine, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a coal mining is with filling device, includes and fills the gasbag and installs the charging connector in filling the gasbag one side, fill the gasbag and keep away from the one side of charging connector and install the check valve, the cover is equipped with first rubber sleeve and second rubber sleeve on the check valve, first rubber sleeve, second rubber sleeve paste through glue and check valve mutually, first rubber sleeve is fixed at filling the gasbag internal surface, the second rubber sleeve is fixed at filling the gasbag surface, the second rubber sleeve outside is equipped with an external screw thread section of thick bamboo, an external screw thread section of thick bamboo with fill gasbag fixed connection, the cover is equipped with the cylinder on the external screw thread section of thick bamboo, the internal surface one side processing of cylinder has the internal thread, the cylinder passes through internal thread and external screw thread section of thick bamboo threaded connection, it is fixed with solid fixed ring to keep away from internal thread one side in the cylinder, gu fixed ring, the one side that solid fixed ring was kept away from to the thin iron sheet is pasted and is had soft rubber strip, the one end that the thin iron sheet was kept away from to soft rubber strip is pasted at the cylinder internal surface, gu fixed ring installs the magnet piece towards the one side of thin iron sheet.
Further, it has fire-retardant cloth pad to paste through glue on two sides of filling the gasbag, fire-retardant cloth pad deviates from the one side equidistance of filling the gasbag and makes up a plurality of cloth strip section of thick bamboos, the support bar has been inserted in the cloth strip section of thick bamboo, support bar one end is fixed with the collar, be equipped with the connecting rod in the collar, connecting rod one end surface processing has first external screw thread, the one end surface processing that first external screw thread was kept away from to the connecting rod has the second external screw thread, the connecting rod processing has the first screw cap of one end threaded connection of first external screw thread, the one end threaded connection second screw cap of second external screw thread is processed to the connecting rod.
Furthermore, a first rubber gasket is fixed at one end, close to the filling air bag, of the first rubber sleeve, and the first rubber gasket is adhered to the filling air bag through glue.
Furthermore, a second rubber gasket is fixed at one end, close to the filling air bag, of the second rubber sleeve, and the second rubber gasket is adhered to the filling air bag through glue.
Furthermore, a ring edge is fixed at one end of the external thread cylinder close to the filling air bag, and the ring edge is adhered to the filling air bag through glue.
Further, the one side of solid fixed ring towards thin iron sheet is annular equidistance and has seted up a plurality of through-holes, and is a plurality of all paste through glue in the through-hole and have the magnet piece.
Further, fill gasbag upper surface symmetry and paste and have two magic subsides to collude noodless, fill gasbag lower surface mounting have two and magic subsides hook face strip matched with magic subsides mao noodless.
Further, a barrel sleeve is sleeved on the outer surface of the inflating nozzle, the barrel sleeve is adhered to the inflating nozzle through glue, and the barrel sleeve and the filling air bag are of an integrally formed structure.
The invention has the beneficial effects that: according to the invention, the first rubber sleeve and the second rubber sleeve are adhered to the one-way valve and fixedly connected with the filling air bag, so that the fixed connection between the one-way valve and the filling air bag is realized, the one-way valve is arranged on the outer surface of the filling air bag, and further, when the filling air bag filled with gas is extruded by a deformed roadway side or a top plate, the pressure in the filling air bag is increased, and further, under the action of differential pressure, the one-way valve is opened, so that part of gas in the filling air bag is discharged through the one-way valve, the purpose of pressure relief is realized, and the filling air bag is prevented from being extruded and damaged.
According to the invention, the external thread cylinder is arranged on the outer side of the check valve, then the cylinder body processed with the internal thread is screwed on the external thread cylinder, and further the cylinder body and the thin iron sheet act together, so that the situation that the check valve is exposed at the outer side of the filling air bag is hidden, fine dust such as coal ash and the like is prevented from accumulating in the check valve, when the check valve is in an opening state, gas in the filling air bag is discharged into the cylinder body, and further the thin iron sheet is separated from the fixing ring under the impact action of the gas, so that the gas is conveniently discharged, after the pressure release is finished, the magnet block on the fixing ring adsorbs the thin iron sheet again, and the reset of the thin iron sheet is realized, namely the thin.
The invention realizes the fixed connection of the cloth strip cylinders and the filling air bag by sticking the flame-retardant cloth cushion sewed with a plurality of cloth strip cylinders on the outer surface of the filling air bag, after a proper amount of gas is injected into the filling air bag, the support bars are all inserted into the cloth strip cylinders, the connecting rod is inserted into the cylinder rings on the support bars, the first threaded cap and the second threaded cap are screwed on the connecting rod, the support bars and the connecting rod jointly play a role of supporting the filling air bag, after the support bars and the connecting rod are assembled, the filling air bag is inflated again until the filling air bag is expanded to a required degree, at the moment, under the action of the support bars and the connecting rod, the appearance of the filling air bag is in a rectangular structure, and the stable stacking of the filling air bag is convenient.
According to the invention, the magic fur-sticking noodles on the upper-layer filling air bag are adhered to the magic hook-sticking noodles on the lower-layer filling air bag, so that the upper-layer filling air bag and the lower-layer filling air bag are connected, and the stacking stability of the filling air bags is further improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a filling device for coal mining in a coal mine according to the present invention;
FIG. 2 is a right side view of a coal mining filling apparatus of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a schematic view showing the assembly of a check valve, a cylinder and a filling airbag in the filling device for coal mining in a coal mine according to the present invention;
FIG. 5 is an assembly schematic diagram of magic rough-pasting noodles, magic hook-pasting noodles and a filling air bag in the filling device for coal mining in the coal mine;
in the figure: 1-filling an air bag, 2-inflating nozzle, 3-cylinder sleeve, 4-first threaded cap, 5-cylinder ring, 6-supporting strip, 7-cloth cylinder, 8-flame-retardant cloth pad, 9-magic tape hook noodle, 10-second threaded cap, 11-connecting rod, 12-cylinder, 13-ring edge, 14-thin iron sheet, 15-external thread cylinder, 16-one-way valve, 17-first rubber sleeve, 18-first rubber gasket, 19-second rubber gasket, 20-second rubber sleeve, 21-soft rubber strip, 22-fixing ring, 23-magnet block and 24-magic tape rough noodle.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 5, the present invention provides a technical solution: a filling device for coal mining in a coal mine comprises a filling air bag 1 and an inflating nozzle 2 installed on one surface of the filling air bag 1, and compressed air is conveniently filled into the filling air bag 1 by installing the inflating nozzle 2 on the filling air bag 1.
The one-way valve 16 is arranged on one side of the filling air bag 1 far away from the inflating nozzle 2, a first rubber sleeve 17 and a second rubber sleeve 20 are sleeved on the one-way valve 16, the first rubber sleeve 17 and the second rubber sleeve 20 are adhered to the one-way valve 16 through glue, the first rubber sleeve 17 is fixed on the inner surface of the filling air bag 1, the second rubber sleeve 20 is fixed on the outer surface of the filling air bag 1, the first rubber sleeve 17 and the second rubber sleeve 20 are adhered to the one-way valve 16 and fixedly connected with the filling air bag 1, so that the fixed connection between the one-way valve 16 and the filling air bag 1 is realized, the one-way valve 16 is arranged on the outer surface of the filling air bag 1, when the filling air bag 1 filled with gas is extruded by a deformed roadway side or top plate, the pressure in the filling air bag 1 is increased, and the one-way valve 16 is opened under the action of pressure difference, so that part of the gas in the filling air bag 1 is discharged through the one, the purpose of pressure relief is realized, and the filling air bag 1 is prevented from being damaged by extrusion.
The outer side of the second rubber sleeve 20 is provided with an external thread cylinder 15, the external thread cylinder 15 is fixedly connected with the filling airbag 1, the cylinder 12 is sleeved on the external thread cylinder 15, an internal thread is processed on one side of the inner surface of the cylinder 12, the cylinder 12 is in threaded connection with the external thread cylinder 15 through the internal thread, a fixing ring 22 is fixed on one side, far away from the internal thread, of the cylinder 12, a thin iron sheet 14 is arranged on one side, far away from the internal thread, of the fixing ring 22, a soft rubber strip 21 is pasted on one side, far away from the fixing ring 22, of the thin iron sheet 21, one end, far away from the thin iron sheet 14, of the soft rubber strip 21 is pasted on the inner surface of the cylinder 12, a magnet block 23 is installed on one side, facing the thin iron sheet 14, the external thread cylinder 15 is arranged on the outer side of the check valve 16, then the cylinder 12 with the internal thread is, the gas filled in the airbag 1 is discharged into the cylinder 12 when the check valve 16 is in an open state, and then the thin iron sheet 14 is separated from the fixing ring 22 under the impact of the gas, so that the gas is conveniently discharged, after the pressure relief is finished, the magnet block 23 on the fixing ring 22 adsorbs the thin iron sheet 14 again, the reset of the thin iron sheet 14 is realized, namely the thin iron sheet 14 blocks the cylinder 12 again.
The two side surfaces of the filling air bag 1 are adhered with flame-retardant cloth pads 8 through glue, one surface of the flame-retardant cloth pad 8, which deviates from the filling air bag 1, is equidistantly sewn with a plurality of cloth strip cylinders 7, supporting strips 6 are inserted in the cloth strip cylinders 7, one end of each supporting strip 6 is fixed with a cylinder ring 5, a connecting rod 11 is arranged in each cylinder ring 5, the outer surface of one end of each connecting rod 11 is processed with a first external thread, the outer surface of one end, which is far away from the first external thread, of each connecting rod 11 is processed with a second external thread, one end of each connecting rod 11, which is processed with the first external thread, is connected with a first threaded cap 4, one end of each connecting rod 11, which is processed with the second external thread, is connected with a second threaded cap 10, the flame-retardant cloth pads 8, which are sewn with a plurality of cloth strip cylinders 7, are adhered on the outer surface of the filling air bag 1, so that the cloth strip cylinders 7 are fixedly connected with the filling air bag 1, after, and twist first screw cap 4 and second screw cap 10 on connecting rod 11, and then a plurality of support bars 6 and connecting rod 11 play the effect of supporting and filling gasbag 1 jointly, and after support bar 6 and connecting rod 11 were assembled, aerify in filling gasbag 1 again, until filling gasbag 1 inflation to required degree, under a plurality of support bars 6 and connecting rod 11's effect this moment, fill gasbag 1 appearance and be the cuboid structure, be convenient for fill the stable stacking of gasbag 1.
As an embodiment of the present invention: one end of the first rubber sleeve 17 close to the filling air bag 1 is fixedly provided with a first rubber gasket 18, the first rubber gasket 18 is adhered to the filling air bag 1 through glue, the first rubber gasket 18 on the first rubber sleeve 17 is adhered to the inner surface of the filling air bag 1, the contact area of the first rubber sleeve 17 and the filling air bag 1 is increased, and the adhesion stability of the first rubber sleeve 17 and the filling air bag 1 is improved.
As an embodiment of the present invention: a second rubber gasket 19 is fixed at one end, close to the filling air bag 1, of the second rubber sleeve 20, the second rubber gasket 19 is adhered to the filling air bag 1 through glue, the second rubber gasket 19 on the second rubber sleeve 20 is adhered to the outer surface of the filling air bag 1, the contact area of the second rubber sleeve 20 and the filling air bag 1 is increased, and the adhesion stability of the second rubber sleeve 20 and the filling air bag 1 is improved.
As an embodiment of the present invention: a ring edge 13 is fixed at one end, close to the filling air bag 1, of the external thread cylinder 15, the ring edge 13 is adhered to the filling air bag 1 through glue, the ring edge 13 is adhered to the outer surface of the filling air bag 1 through the glue, the contact area of the external thread cylinder 15 and the filling air bag 1 is increased, and the connection stability of the external thread cylinder 15 and the filling air bag 1 is improved.
As an embodiment of the present invention: the one side that solid fixed ring 22 faced thin iron sheet 14 is annular equidistance and has seted up a plurality of through-holes, all pastes through glue in a plurality of through-holes and has had magnet piece 23, sets up the through-hole on solid fixed ring 22, for magnet piece 23 provides storage space, installs a plurality of magnet pieces 23 on solid fixed ring 22, improves the adsorption effect to thin iron sheet 14.
As an embodiment of the present invention: fill 1 upper surface symmetry of gasbag and paste and have two magic subsides to collude noodless 9, fill 1 lower surface mounting of gasbag have two and magic subsides hook face strip 9 matched with magic subsides mao noodless 24, through filling the magic subsides mao noodless 24 on gasbag 1 with the lower floor with the upper strata and filling the magic subsides hook face strip 9 adhesion mutually on the gasbag 1, two-layer connection of filling gasbag 1 about the realization, further improvement fills the stability that gasbag 1 stacked.
As an embodiment of the present invention: the outer surface of the inflating nozzle 2 is sleeved with the barrel sleeve 3, the barrel sleeve 3 is adhered to the inflating nozzle 2 through glue, the barrel sleeve 3 and the filling air bag 1 are of an integrally formed structure, the inflating nozzle 2 is adhered to the barrel sleeve 3 on the filling air bag 1, and the reliability of connection of the inflating nozzle 2 and the filling air bag 1 is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a coal mining of colliery is with filling device, includes the gasbag that fills and installs the charging connector in the gasbag one side that fills, its characterized in that: the one side of filling the gasbag and keeping away from the charging connector is installed the check valve, the cover is equipped with first rubber sleeve and second rubber sleeve on the check valve, first rubber sleeve, second rubber sleeve paste with the check valve through glue mutually, first rubber sleeve is fixed and is being filled the gasbag internal surface, the second rubber sleeve is fixed and is being filled the gasbag surface, the second rubber sleeve outside is equipped with an external screw thread section of thick bamboo, an external screw thread section of thick bamboo with fill gasbag fixed connection, the cover is equipped with the cylinder on the external screw thread section of thick bamboo, processing of cylinder internal surface one side has the internal thread, the cylinder passes through internal thread and external screw thread section of thick bamboo threaded connection, it is fixed with solid fixed ring to keep away from internal screw thread one side in the cylinder, gu fixed ring deviates from internal thread one side and is equipped with the thin iron sheet, the thin iron sheet is kept away from solid fixed ring's one side and is, magnet piece is installed to the solid fixed ring one side towards thin iron sheet.
2. The filling device for coal mining of the coal mine according to claim 1, characterized in that: paste through glue on two sides of filling the gasbag and have fire-retardant cloth pad, fire-retardant cloth pad deviates from the one side equidistance of filling the gasbag and makes up a plurality of cloth section of thick bamboos, the support bar has been inserted in the cloth section of thick bamboo, support bar one end is fixed with the shell ring, be equipped with the connecting rod in the shell ring, connecting rod one end surface processing has first external screw thread, the one end surface processing that first external screw thread was kept away from to the connecting rod has the second external screw thread, the connecting rod processing has the first screw cap of one end threaded connection of first external screw thread, the one end threaded connection second screw cap of second external screw thread is processed to the connecting rod.
3. The filling device for coal mining of the coal mine according to claim 1, characterized in that: and a first rubber gasket is fixed at one end of the first rubber sleeve close to the filling air bag, and the first rubber gasket is adhered to the filling air bag through glue.
4. The filling device for coal mining of the coal mine according to claim 1, characterized in that: and a second rubber gasket is fixed at one end of the second rubber sleeve close to the filling air bag, and the second rubber gasket is adhered to the filling air bag through glue.
5. The filling device for coal mining of the coal mine according to claim 1, characterized in that: and a ring edge is fixed at one end of the external thread cylinder close to the filling air bag, and the ring edge is adhered to the filling air bag through glue.
6. The filling device for coal mining of the coal mine according to claim 1, characterized in that: the one side of solid fixed ring towards thin iron sheet is annular equidistance and has seted up a plurality of through-holes, and is a plurality of all paste through glue in the through-hole and have the magnet piece.
7. The filling device for coal mining of the coal mine according to claim 1, characterized in that: fill gasbag upper surface symmetry and paste and have two magic subsides to collude noodless, fill gasbag lower surface mounting have two and magic subsides hook face strip matched with magic to paste the mao noodless.
8. The filling device for coal mining of the coal mine according to claim 1, characterized in that: the outer surface of the inflating nozzle is sleeved with a barrel sleeve, the barrel sleeve is adhered to the inflating nozzle through glue, and the barrel sleeve and the filling air bag are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353552.XA CN110985115B (en) | 2019-12-25 | 2019-12-25 | Filling device for coal mining of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353552.XA CN110985115B (en) | 2019-12-25 | 2019-12-25 | Filling device for coal mining of coal mine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110985115A true CN110985115A (en) | 2020-04-10 |
| CN110985115B CN110985115B (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911353552.XA Active CN110985115B (en) | 2019-12-25 | 2019-12-25 | Filling device for coal mining of coal mine |
Country Status (1)
| Country | Link |
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| CN (1) | CN110985115B (en) |
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|---|---|---|---|---|
| CN2068585U (en) * | 1990-06-23 | 1991-01-02 | 中国煤炭经济学院 | Quick closing apparatus for mine tunnel |
| CN201074523Y (en) * | 2007-06-24 | 2008-06-18 | 金川 | Safety air bag for plugging mobile coal mine fully-mechanized mining working surface cap |
| CN201304242Y (en) * | 2008-11-20 | 2009-09-09 | 庄德诚 | Air-filled toy with spring structure uni-directional gas charging valve |
| CN102061930A (en) * | 2010-12-09 | 2011-05-18 | 北京科技大学 | Downhole fast sealing device in coal mine |
| CN204175332U (en) * | 2014-10-21 | 2015-02-25 | 河南理工大学 | A kind of multi-layer airbag bag for coal mine gob filling |
| CN104453997A (en) * | 2014-10-21 | 2015-03-25 | 河南理工大学 | Filling air bag separating plate device of mine gob-side entry retaining |
| CN205330728U (en) * | 2016-01-22 | 2016-06-22 | 河南理工大学 | Colliery coal face gao maoqu fills device |
| CN106285779A (en) * | 2016-08-25 | 2017-01-04 | 山西晋煤集团技术研究院有限责任公司 | Underground coal mine environment-friendly type inflated type fire dam |
| CN106761925A (en) * | 2017-02-20 | 2017-05-31 | 中国矿业大学(北京) | A kind of explosion-proof closed air bag of coal mine roadway |
| CN207161791U (en) * | 2017-09-22 | 2018-03-30 | 浙江飞挺机械有限公司 | A kind of check valve |
| CN209163864U (en) * | 2018-12-25 | 2019-07-26 | 杨利刚 | A kind of coal face caving place device for filling |
| CN209782209U (en) * | 2019-03-27 | 2019-12-13 | 青岛丰一顺海事工程技术有限公司 | Rubber airbag convenient to inflate |
-
2019
- 2019-12-25 CN CN201911353552.XA patent/CN110985115B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2068585U (en) * | 1990-06-23 | 1991-01-02 | 中国煤炭经济学院 | Quick closing apparatus for mine tunnel |
| CN201074523Y (en) * | 2007-06-24 | 2008-06-18 | 金川 | Safety air bag for plugging mobile coal mine fully-mechanized mining working surface cap |
| CN201304242Y (en) * | 2008-11-20 | 2009-09-09 | 庄德诚 | Air-filled toy with spring structure uni-directional gas charging valve |
| CN102061930A (en) * | 2010-12-09 | 2011-05-18 | 北京科技大学 | Downhole fast sealing device in coal mine |
| CN204175332U (en) * | 2014-10-21 | 2015-02-25 | 河南理工大学 | A kind of multi-layer airbag bag for coal mine gob filling |
| CN104453997A (en) * | 2014-10-21 | 2015-03-25 | 河南理工大学 | Filling air bag separating plate device of mine gob-side entry retaining |
| CN205330728U (en) * | 2016-01-22 | 2016-06-22 | 河南理工大学 | Colliery coal face gao maoqu fills device |
| CN106285779A (en) * | 2016-08-25 | 2017-01-04 | 山西晋煤集团技术研究院有限责任公司 | Underground coal mine environment-friendly type inflated type fire dam |
| CN106761925A (en) * | 2017-02-20 | 2017-05-31 | 中国矿业大学(北京) | A kind of explosion-proof closed air bag of coal mine roadway |
| CN207161791U (en) * | 2017-09-22 | 2018-03-30 | 浙江飞挺机械有限公司 | A kind of check valve |
| CN209163864U (en) * | 2018-12-25 | 2019-07-26 | 杨利刚 | A kind of coal face caving place device for filling |
| CN209782209U (en) * | 2019-03-27 | 2019-12-13 | 青岛丰一顺海事工程技术有限公司 | Rubber airbag convenient to inflate |
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| Publication number | Publication date |
|---|---|
| CN110985115B (en) | 2021-06-15 |
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