CN104453997B - A kind of filling bladder spacer device of coal mine gob-side entry retaining - Google Patents
A kind of filling bladder spacer device of coal mine gob-side entry retaining Download PDFInfo
- Publication number
- CN104453997B CN104453997B CN201410559524.4A CN201410559524A CN104453997B CN 104453997 B CN104453997 B CN 104453997B CN 201410559524 A CN201410559524 A CN 201410559524A CN 104453997 B CN104453997 B CN 104453997B
- Authority
- CN
- China
- Prior art keywords
- dividing plate
- plate group
- slip casting
- annular air
- bladder spacer
- 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
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 40
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 238000007569 slipcasting Methods 0.000 claims abstract description 39
- 239000000178 monomer Substances 0.000 claims abstract description 29
- 238000005086 pumping Methods 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 239000004568 cement Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E21F15/02—Supporting means, e.g. shuttering, for filling-up materials
- E21F15/04—Stowing mats; Goaf wire netting; Partition walls
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)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
A kind of filling bladder spacer device of coal mine gob-side entry retaining comprises annular air-pocket dividing plate group, annular air-pocket dividing plate group is made up of the bladder spacer monomer surrounding annular, be provided with slip casting room in the ring of annular air-pocket dividing plate group, slip casting room end face is provided with air injection uni-direction, injected hole and steam vent; Annular air-pocket dividing plate group top surface being parallel is provided with flexible transmission tooth bar, is provided with transmission roller bearing above annular air-pocket dividing plate group, transmits roller bearing two ends and is provided with transmission gear and transmits motor; Transport roller is fixed with appendix and pumping line, is provided with extension jet nozzle on the downside of appendix, be provided with swivel nozzle in injected hole, swivel nozzle is connected with pumping line.Structure of the present invention is simple, and carry out filling by inflation and slip casting to coal mine gob-side entry retaining, intensity is high, annular air-pocket dividing plate group intensity is high, adapt to large volume filling, safe and reliable, production requirement safely and efficiently can be met, insulating is good, automaticity is high, and filling velocity is fast, and insulating is good, do not affect drawing speed, filling cost is low.
Description
Technical field
The invention belongs to coal mine gob-side entry retaining support apparatus technical field, particularly a kind of filling bladder spacer device of coal mine gob-side entry retaining.
Background technology
In order to reclaim the safety pillar staying in traditional mining mode mode and establish, adopting certain technological means the crossheading of a upper section again supporting to be left for next section and using.Because this way in lane of staying retains along edge, goaf in former crossheading position to be just called gob side entry retaining.
Gob side entry retaining have improve the coal resources rates of extraction, reduce drivage ratio, to alleviate between digging back production alternately nervous, reduce workflow automatization expense, improve the remarkable advantages such as safety production condition.Therefore, as the major reform of production practice, gob side entry retaining utilization rate is abroad higher.Owing to failing to find suitable gob-side entry retaining support material, make gob side entry retaining just at the early-stage at home, and Technique Popularizing speed is slower.
At present, domesticly in gob side entry retaining, mainly use the other slabbing form in lane, spoil way of stacking, masonry wall method, the efficient filling and support method of high water, cast-in-situ concrete partition wall method, close slip casting masonry technology etc.But these methods come with some shortcomings in stowing operation, as: obturation early anti pressured intension is inadequate, workload is large, obturation time of setting is oversize, filler difficulty of transportation, filling cost are excessively high.
Summary of the invention
The object of this invention is to provide a kind of easy and simple to handle, filling bladder spacer device of adapting to large volume filling, speed of application is fast and construction cost is low coal mine gob-side entry retaining.
For achieving the above object, technical scheme of the present invention is: a kind of filling bladder spacer device of coal mine gob-side entry retaining, comprise annular air-pocket dividing plate group, annular air-pocket dividing plate group is made up of the bladder spacer monomer surrounding annular, at least be provided with a level in bladder spacer monomer to draw in the net in advance, be equipped with interior air chamber under horizontal prestretching is online, be connected by one way valve between interior air chamber, the interior air chamber top of the top is provided with the one way valve stretching to bladder spacer monomer oral area; Be provided with slip casting room in the ring of annular air-pocket dividing plate group, slip casting room end face is provided with air injection uni-direction, injected hole and steam vent; Annular air-pocket dividing plate group end face both sides are arranged with in parallel flexible transmits tooth bar, is provided with transport roller above annular air-pocket dividing plate group, and transport roller two ends are equipped with to transmit transmission gear that tooth bar is meshed and transmits motor with flexibility; Transport roller is fixed with the appendix corresponding to the air injection uni-direction on the one way valve on interior air chamber and slip casting room, the pumping line corresponding with injected hole, the extension jet nozzle be connected with the air injection uni-direction on slip casting room with the one way valve on interior air chamber is provided with on the downside of appendix, rotate in injected hole and be provided with the swivel nozzle stretching to slip casting room, swivel nozzle upper end charging aperture is connected with pumping line.
Be arranged at intervals with four layers of level in described bladder spacer monomer up and down to draw in the net in advance, level draws in the net to be parallel to each other in advance; Be provided with five interior air chambers in bladder spacer monomer, be connected by one way valve between interior air chamber.
The vertical section ovalize of described interior air chamber.
Described bladder spacer monomer upper end oral area is provided with sealing net, and sealing net place plane is lower than the one way valve at air chamber top in the top, and sealing net draws in the net to parallel with level in advance.
Compared with prior art, advantage of the present invention is:
1, the present invention includes annular air-pocket dividing plate group, annular air-pocket dividing plate group is made up of the bladder spacer monomer surrounding annular, at least be provided with a level in bladder spacer monomer to draw in the net in advance, interior air chamber is equipped with under horizontal prestretching is online, be connected by one way valve between interior air chamber, the interior air chamber top of the top is provided with the one way valve stretching to bladder spacer monomer oral area, be provided with slip casting room in the ring of annular air-pocket dividing plate group, slip casting room end face is provided with air injection uni-direction, injected hole and steam vent, annular air-pocket dividing plate group end face both sides are arranged with in parallel flexible transmits tooth bar, is provided with transport roller above annular air-pocket dividing plate group, and transport roller two ends are equipped with to transmit transmission gear that tooth bar is meshed and transmits motor with flexibility, transport roller is fixed with the appendix corresponding to the air injection uni-direction on the one way valve on interior air chamber and slip casting room, the pumping line corresponding to injected hole, the extension jet nozzle be connected with the air injection uni-direction on slip casting room with the one way valve on interior air chamber is provided with on the downside of appendix, rotate in injected hole and be provided with the swivel nozzle stretching to slip casting room, swivel nozzle upper end charging aperture is connected with pumping line, its structure is simple, by inflation and slip casting, filling is carried out to coal mine gob-side entry retaining, easy and simple to handle, intensity is high, automaticity is high, annular air-pocket dividing plate group intensity is high, adapt to large volume filling, safe and reliable, production requirement safely and efficiently can be met, insulating is good, automaticity is high, filling velocity is fast, insulating is good, do not affect drawing speed, and filling cost is low.
2, be provided with level in bladder spacer monomer draw in the net in advance and seal net, sealing net draws in the net to parallel with level in advance, sealing net and level draw in the net to produce pretension to bladder spacer monomer side in advance, without installation form, Stability Analysis of Structures, and this pretension can to balance in later stage gas replenishment process in air chamber to the lateral pressure of bladder spacer monomer side, deform in the horizontal direction after preventing bladder spacer monomer pressurized.
3, when the present invention uses, appendix connects plenum chamber, pumping line connects cement pumping machine, and plenum chamber, cement pumping machine and transmission motor are all connected on control room, convenient operation personnel manipulate, and most of operating process controls to carry out in control room, the personnel at gob-side entry retaining work can be reduced, meet the requirement of safe and efficient production, be widely used in the improvement of coal mine gob-side entry retaining, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of annular air-pocket dividing plate group and transport roller, appendix and pumping line in Fig. 1;
Fig. 3 is the structural representation of bladder spacer monomer in Fig. 1;
Fig. 4 is the structural representation of slip casting room in Fig. 1;
Fig. 5 is the process of deployment schematic diagram of annular air-pocket dividing plate group in the present invention.
Detailed description of the invention
The filling bladder spacer device of coal mine gob-side entry retaining as Figure 1-Figure 4, it comprises annular air-pocket dividing plate group 1, annular air-pocket dividing plate group 1 is made up of the bladder spacer monomer 15 surrounding annular, in bladder spacer monomer 15, be interval with four layers of level be parallel to each other up and down draw in the net 11 in advance, level draws in the net about the 11 interior air chambers 9 being equipped with vertical section ovalize in advance, namely five interior air chambers 9 are provided with in bladder spacer monomer 15, be connected by one way valve between interior air chamber 9, and interior air chamber 9 top of the top is provided with the one way valve 12 stretching to bladder spacer monomer 15 oral area.Bladder spacer monomer 15 upper end oral area is provided with sealing net 111, sealing net 111 place plane is lower than the one way valve 12 at air chamber in the top 9 top, sealing net 111 and level draw in the net 11 to parallel in advance, seal the one way valve 12 of net 111 place plane lower than air chamber in the top 9 top.Sealing net 111 and level are drawn in the net 11 pairs of bladder spacer monomer 15 sides in advance and are produced pretension, can balance the lateral pressure of interior air chamber 9 pairs of bladder spacer monomers 15 in later stage gas replenishment process, deform in the horizontal direction after preventing bladder spacer monomer 15 pressurized.
In the ring of annular air-pocket dividing plate group 1, be provided with slip casting room 10, the end face of slip casting room 10 is provided with air injection uni-direction 121, steam vent 14 and three injected holes 13.Transport roller 6 is fixed with the appendix 4 corresponding to the one way valve 12 on interior air chamber 9 and the air injection uni-direction 121 on slip casting room 10, the pumping line 5 corresponding with injected hole 13, the extension jet nozzle (not shown) be connected with the air injection uni-direction 121 on slip casting room 10 with the one way valve 12 on interior air chamber 9 is provided with on the downside of appendix 4, rotate in injected hole 13 and be provided with the swivel nozzle 16 stretching to slip casting room 10, swivel nozzle 16 upper end charging aperture is connected with pumping line 5, swivel nozzle 16 rotates in high-pressure slip-casting process, and slip casting can be made to be evenly distributed.During use, appendix 4 connects plenum chamber, and pumping line 5 connects cement pumping machine, and plenum chamber, cement pumping machine and transmission motor 8 are all connected on control room, and convenient operation personnel manipulate, and operating personnel can be made away from hazardous area, safe and reliable.
Flexible transmission tooth bar 7 is arranged with in parallel in annular air-pocket dividing plate group 1 end face both sides, transport roller 6 is provided with above annular air-pocket dividing plate group 1, transport roller 6 two ends are equipped with to transmit transmission gear 2 that tooth bar 7 is meshed and transmits motor 8, for providing power for laying annular air-pocket dividing plate group 1 and slip casting room 10 with flexibility.
When the present invention uses, extension jet nozzle on appendix 4 and one way valve 12 are connected with air injection uni-direction 121 respectively internally, and air chamber 9 and slip casting room 10 are inflated, after having inflated, carry out slip casting (cement mortar) by pumping line 5 pairs of slip casting rooms 10, when in slip casting process, in slip casting room 10, pressure increases to a certain degree (usual pressure is more than 5MPa), steam vent 14 opens exhaust.
Specific operation process of the present invention is: the tectonic characteristics 1, first understanding target gob side entry retaining to be administered, if desired, and the test job such as stress test ordinatedly; 2, the annular air-pocket dividing plate group 15 twisted on inner reel 18 is put into target gob side entry retaining, and as shown in Figure 5 inner reel 18 is connected by connecting rod 17 with transport roller 6, open and transmit motor 8, annular air-pocket dividing plate group 15 is laid from one end of target gob side entry retaining to the other end, then lower link 17 and inner reel 18 is unloaded from transport roller 6, and ensure that transport roller 6 and annular air-pocket dividing plate group 15 transmit tooth bar 7 by transmission gear 2 with flexibility and be connected with a joggle, to drive appendix 4 and pumping line 5 shift position by transport roller 6; 3, inflated by the internal air chamber 9 of connection of extension jet nozzle and one way valve 12 and air injection uni-direction 121 and slip casting room 10 by plenum chamber, stop inflation when the pressure in annular air-pocket dividing plate group 15 reaches the stress of primary rock; 4, slip casting is carried out by cement pumping machine by pumping line 5 and swivel nozzle 16 pairs of slip casting rooms 10, until stop slip casting when contacting completely with upper plate; 5, after this annular air-pocket dividing plate group 15 filling being completed, follow-up annular air-pocket dividing plate group 15 is laid successively by above-mentioned steps 2, and make it and previous annular air-pocket dividing plate group 15 close contact, and by above-mentioned steps 3 and 4, this annular air-pocket dividing plate group 15 is inflated and slip casting; 6, the pressure of periodic detection annular air-pocket dividing plate group 15, and tonifying Qi in time.
In step 2 above, inner reel 18 comprises reel and is located in the rotating shaft in reel, annular air-pocket dividing plate group 15 volume is located on reel, connecting rod 17 one end and transport roller 6 are hinged, the other end is fixed in the rotating shaft of inner reel 18, connecting rod 17 and rotating shaft is promoted by transport roller 6, thus make reel and annular air-pocket dividing plate group 15 debatching around the shaft, realize the laying of annular air-pocket dividing plate group 15.
Claims (4)
1. the filling bladder spacer device of a coal mine gob-side entry retaining, it is characterized in that, comprise annular air-pocket dividing plate group, annular air-pocket dividing plate group is made up of the bladder spacer monomer surrounding annular, at least be provided with a level in bladder spacer monomer to draw in the net in advance, be equipped with interior air chamber under horizontal prestretching is online, be connected by one way valve between interior air chamber, the interior air chamber top of the top is provided with the one way valve stretching to bladder spacer monomer oral area; Be provided with slip casting room in the ring of annular air-pocket dividing plate group, slip casting room end face is provided with air injection uni-direction, injected hole and steam vent; Annular air-pocket dividing plate group end face both sides are arranged with in parallel flexible transmits tooth bar, is provided with transport roller above annular air-pocket dividing plate group, and transport roller two ends are equipped with to transmit transmission gear that tooth bar is meshed and transmits motor with flexibility; Transport roller is fixed with the appendix corresponding to the air injection uni-direction on the one way valve on interior air chamber and slip casting room, the pumping line corresponding with injected hole, the extension jet nozzle be connected with the air injection uni-direction on slip casting room with the one way valve on interior air chamber is provided with on the downside of appendix, rotate in injected hole and be provided with the swivel nozzle stretching to slip casting room, swivel nozzle upper end charging aperture is connected with pumping line.
2. the filling bladder spacer device of coal mine gob-side entry retaining as claimed in claim 1, it is characterized in that, be arranged at intervals with four layers of level in described bladder spacer monomer up and down and draw in the net in advance, level draws in the net to be parallel to each other in advance; Be provided with five interior air chambers in bladder spacer monomer, be connected by one way valve between interior air chamber.
3. the filling bladder spacer device of coal mine gob-side entry retaining as claimed in claim 1 or 2, is characterized in that, the vertical section ovalize of described interior air chamber.
4. the filling bladder spacer device of coal mine gob-side entry retaining as claimed in claim 3, it is characterized in that, described bladder spacer monomer upper end oral area is provided with sealing net, and sealing net place plane is lower than the one way valve at air chamber top in the top, and sealing net draws in the net to parallel with level in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559524.4A CN104453997B (en) | 2014-10-21 | 2014-10-21 | A kind of filling bladder spacer device of coal mine gob-side entry retaining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559524.4A CN104453997B (en) | 2014-10-21 | 2014-10-21 | A kind of filling bladder spacer device of coal mine gob-side entry retaining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104453997A CN104453997A (en) | 2015-03-25 |
| CN104453997B true CN104453997B (en) | 2016-04-06 |
Family
ID=52900667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410559524.4A Expired - Fee Related CN104453997B (en) | 2014-10-21 | 2014-10-21 | A kind of filling bladder spacer device of coal mine gob-side entry retaining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104453997B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971664A (en) * | 2016-06-27 | 2016-09-28 | 六盘水师范学院 | Method for gob-side entry retaining by means of high-water material filling pillars |
| CN106437718B (en) * | 2016-11-30 | 2018-04-13 | 长沙矿山研究院有限责任公司 | Actively connect two step strip filling mining codes of top |
| CN106382118B (en) * | 2016-11-30 | 2018-04-17 | 长沙矿山研究院有限责任公司 | No divider wall actively connects the roof formula method of mining by the way of filling |
| CN107965349B (en) * | 2017-11-23 | 2019-05-31 | 长沙矿山研究院有限责任公司 | Water consolidates mixed slurry load precompressed process for dewatering and coagulating |
| CN110566269A (en) * | 2019-08-19 | 2019-12-13 | 西北矿冶研究院 | Truss type filling method for underground goaf |
| CN110985115B (en) * | 2019-12-25 | 2021-06-15 | 通用技术集团工程设计有限公司 | Filling device for coal mining of coal mine |
| CN112377250B (en) * | 2020-11-11 | 2022-09-16 | 国家能源投资集团有限责任公司 | Underground filling equipment, underground filling system and underground filling method |
| CN113006863B (en) * | 2021-04-14 | 2021-11-26 | 中国矿业大学 | Automatic inflatable filling bag device and working face filling method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1040184A1 (en) * | 1982-04-13 | 1983-09-07 | Днепропетровский Ордена Трудового Красного Знамени Горный Институт Им.Артема | Portable pneumatic stowage web |
| CN201090245Y (en) * | 2007-09-19 | 2008-07-23 | 中国矿业大学 | Flexible filling bag with vessel |
| CN101701526A (en) * | 2009-11-05 | 2010-05-05 | 冀中能源邯郸矿业集团有限公司 | Goaf bag-type packing method |
| CN102155262A (en) * | 2011-03-11 | 2011-08-17 | 中国矿业大学 | Method for filling gas near roadway of coal mine gob-side entry retaining |
| CN102155225A (en) * | 2011-03-11 | 2011-08-17 | 中国矿业大学 | Filling and mining method of coal gases |
| CN202402073U (en) * | 2011-12-21 | 2012-08-29 | 昆明理工大学 | Filling air bag for mined out space |
| CN203189062U (en) * | 2013-04-17 | 2013-09-11 | 天地科技股份有限公司 | Hole drift filling sealing device |
| CN203756230U (en) * | 2014-02-13 | 2014-08-06 | 山西晋煤集团技术研究院有限责任公司 | Mold bag type sealed retaining wall capable of being quickly formed |
-
2014
- 2014-10-21 CN CN201410559524.4A patent/CN104453997B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1040184A1 (en) * | 1982-04-13 | 1983-09-07 | Днепропетровский Ордена Трудового Красного Знамени Горный Институт Им.Артема | Portable pneumatic stowage web |
| CN201090245Y (en) * | 2007-09-19 | 2008-07-23 | 中国矿业大学 | Flexible filling bag with vessel |
| CN101701526A (en) * | 2009-11-05 | 2010-05-05 | 冀中能源邯郸矿业集团有限公司 | Goaf bag-type packing method |
| CN102155262A (en) * | 2011-03-11 | 2011-08-17 | 中国矿业大学 | Method for filling gas near roadway of coal mine gob-side entry retaining |
| CN102155225A (en) * | 2011-03-11 | 2011-08-17 | 中国矿业大学 | Filling and mining method of coal gases |
| CN202402073U (en) * | 2011-12-21 | 2012-08-29 | 昆明理工大学 | Filling air bag for mined out space |
| CN203189062U (en) * | 2013-04-17 | 2013-09-11 | 天地科技股份有限公司 | Hole drift filling sealing device |
| CN203756230U (en) * | 2014-02-13 | 2014-08-06 | 山西晋煤集团技术研究院有限责任公司 | Mold bag type sealed retaining wall capable of being quickly formed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104453997A (en) | 2015-03-25 |
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