CN111305841B - Coal seam slip casting filling equipment - Google Patents
Coal seam slip casting filling equipment Download PDFInfo
- Publication number
- CN111305841B CN111305841B CN202010104909.7A CN202010104909A CN111305841B CN 111305841 B CN111305841 B CN 111305841B CN 202010104909 A CN202010104909 A CN 202010104909A CN 111305841 B CN111305841 B CN 111305841B
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- Prior art keywords
- filling
- positioning sleeve
- coal seam
- head body
- filling head
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- 239000003245 coal Substances 0.000 title claims abstract description 41
- 238000007569 slipcasting Methods 0.000 title claims description 3
- 238000007789 sealing Methods 0.000 claims abstract description 50
- 239000002002 slurry Substances 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000005429 filling process Methods 0.000 abstract description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- GUIJLPKNGJMXKV-AZUAARDMSA-N rod-188 Chemical compound C1=CC(C)=CC=C1S(=O)(=O)N1[C@@H]([C@H]2OC(=O)CC2)C2=CC=CC=C2CC1 GUIJLPKNGJMXKV-AZUAARDMSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
-
- 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
- E21F15/06—Filling-up mechanically
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)
- Remote Sensing (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses coal seam grouting filling equipment, wherein a filling head mechanism is arranged at the front end of a filling pipe and extends into a filling hole of a coal seam, and the filling head mechanism comprises a filling head body and a sealing positioning sleeve, so that the problem of uneven filling caused by local blockage of a drill hole in the filling process is prevented by using the sealing positioning sleeve.
Description
Technical Field
The invention relates to the technical field of grouting filling equipment, in particular to coal seam grouting filling equipment.
Background
At present, the colloid slurry filling process for preventing coal bed spontaneous combustion in coal mine is used for filling colloid slurry into coal bed which is easy to ignite spontaneously at short distance, the traditional filling process is that water glass is directly added into prepared diluted yellow slurry with the soil-water ratio of 1: 4-1: 5 according to a certain proportion, under the action of static pressure difference between the ground and the coal bed filling site, coal bed slurry filling equipment conveys the colloid slurry into crushed coal through a filling pump and a filling drill hole, but when filling operation is carried out, because the drill hole is generally deep, the problem of insufficient pressure is often caused during the filling operation, and in addition, when filling, the problems of drilling hole lost, blockage and the like are caused due to the uneven pressure and the like during filling, the omnibearing and uniform filling operation can not be realized due to the blockage of the drill hole, and the filling effect is poor, affecting the construction safety.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the coal seam grouting filling equipment is provided, and the quality problems of the problems that a drill hole is blocked easily, the filling is uneven, the drill hole cannot be filled in the deepest part and the like are solved.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides coal seam grouting filling equipment, which comprises slurry mixing equipment, a filling pump, a filling pipe and a filling head mechanism, wherein the input end of the filling pump is connected to the bottom output end of the slurry mixing equipment, and the output end of the filling pump is connected to the filling pipe, and the coal seam grouting filling equipment is characterized in that the filling head mechanism is arranged at the front end of the filling pipe and extends into a filling hole of a coal seam, the filling head mechanism comprises a filling head body and a sealing positioning sleeve, the rear end of the filling head body is connected to the filling pipe, a slurry central flow channel is arranged at the center of the filling head body, a plurality of groups of radial flow channels which are arranged at intervals along the axial direction of the filling head body are arranged on the periphery of the filling head body, and each group of radial flow channels comprises a plurality of radial flow channels which are arrayed along the circumferential direction of the filling head body, the sealing positioning sleeve is slidably and tightly sleeved on the periphery of the filling head body, and a plurality of runner holes corresponding to radial runner outlets on the filling head body are formed in the sealing positioning sleeve; the outer diameter of the sealing positioning sleeve is smaller than the inner diameter of a coal seam filling drill hole of a coal seam to be filled.
Further, as preferred, be provided with 45 contained angles between radial runner with the center runner, just radial runner towards the front end slope of filling head body.
Further, preferably, the number of the flow channel holes on the sealing positioning sleeve is an integral multiple of the number of the radial flow channels on the filling head body.
Further, as preferred, the outside at one end or both ends of sealed position sleeve still is provided with the position sleeve, the external diameter of position sleeve with the internal diameter of coal seam filling drilling is the same, so that utilize the position sleeve to the position sealed position sleeve's filling state.
Preferably, when filling operation is performed, the sealing positioning sleeve is fixedly positioned at the center of the coal seam filling drill hole, and the filling head body is slid to enable the radial flow channel on the filling head body to sequentially correspond to the flow channel holes at different positions on the sealing positioning sleeve, so that filling processing is performed on different required filling positions of the coal seam filling drill hole.
Further, preferably, a rough structure with fuzz is arranged on the outer peripheral surface of the sealing and positioning sleeve, and the rough structure is convenient for fastening and fixing the filling slurry and the sealing and positioning sleeve after filling.
Further, as a preferred option, the slurry mixing device comprises a first motor, the lower end of the first motor is fixedly attached to the upper end of a fixed frame, the upper end of the first motor is fixedly attached to the inner side of a first belt pulley, the left end of the fixed frame is fixedly attached to the upper side of the right end of a barrel body, the outer portion of the first belt pulley is rotatably connected to the outer portion of a second belt pulley through a belt, the inner portion of the middle portion of the second belt pulley is fixedly attached to the upper end of a rotating shaft, the upper end of the rotating shaft is rotatably connected to the middle portion of the upper end of the barrel body, the outer portion of the rotating shaft is fixedly attached to the inner side of a stirring blade, the lower end of the barrel body is communicated with the upper end of a base, the lower end of the barrel body is fixedly attached to the upper end of a conical barrel, the middle portion of the base is rotatably connected to the lower end of the rotating shaft, the left end of the base is communicated with the right end of a discharging pipe, the outer portion of the upper end of the conical barrel is fixedly attached to the outer side of a supporting frame, and the discharging pipe is connected to a feeding pipe, the feeding pipe rear end and filling pump output end, the filling pump lower extreme is fixed with supporting seat upper end locking to the filling pump left end is pegged graft with the filling pipe right-hand member, first motor, filling pump and second motor all are connected with the power cord electricity.
Further, as preferred, the upper portion one side of barrel is provided with the feeding seat, the last openable and closable of feeding seat is provided with the protective cover.
Further, preferably, a sealing bulge is arranged on the inner side of the flow passage hole on the sealing positioning sleeve and around the flow passage hole, and the sealing bulge can be in sealing abutment with the outer peripheral surface of the filling head body.
Preferably, a tapered insertion hole is formed in the rear end of the sealing positioning sleeve, and a tapered head connected with the tapered insertion hole in a sealing mode is arranged at the front end of the filling head body.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
the front end of the filling pipe is provided with the filling head mechanism, the filling head mechanism extends into a filling hole of a coal bed, and the filling head mechanism comprises a filling head body and a sealing positioning sleeve, so that the problem of uneven filling caused by local blockage of a drill hole in the filling process is solved by using the sealing positioning sleeve.
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 view of the present invention;
FIG. 2 is a schematic structural diagram of a filling head mechanism of the present invention;
FIG. 3 is a schematic view of the seal retainer of the present invention;
FIG. 4 is a schematic view of the internal structure of the cartridge of the present invention;
FIG. 5 is a schematic view of a protective cover according to the present invention;
FIG. 6 is a partial structure diagram of a protecting cover of the present invention;
fig. 7 is a schematic view of the structure of the rotating cover plate of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-7, the present invention provides a coal seam grouting and filling apparatus: the coal slurry filling device comprises slurry mixing equipment, a filling pump 15, a filling pipe 17 and a filling head mechanism, wherein the input end of the filling pump is connected to the bottom output end of the slurry mixing equipment, the output end of the filling pump is connected to the filling pipe, the filling head mechanism is arranged at the front end of the filling pipe and extends into a filling hole of a coal bed, the filling head mechanism comprises a filling head body 19 and a sealing positioning sleeve 20, the rear end of the filling head body is connected to the filling pipe, a slurry central flow channel 25 is arranged at the center of the filling head body, a plurality of groups of radial flow channels 23 are arranged around the filling head body at intervals along the axial direction of the filling head body, each group of radial flow channels comprises a plurality of radial flow channels arrayed along the circumferential direction of the filling head body, the sealing positioning sleeve is slidably and tightly sleeved on the periphery of the filling head body 19, a plurality of runner holes 21 corresponding to radial runner outlets on the filling head body are formed in the sealing positioning sleeve; the outer diameter of the seal locating sleeve is less than the inner diameter of a coal seam fill bore 24 of a coal seam 22 to be filled.
In this embodiment, an included angle of 45 ° is provided between the radial flow channel 23 and the central flow channel, and the radial flow channel is inclined toward the front end of the filling head body. The number of the flow passage holes 21 on the sealing positioning sleeve 20 is integral multiple of the number of the radial flow passages on the filling head body.
The outside at one end or both ends of sealed position sleeve still is provided with the position sleeve, the external diameter of position sleeve with the internal diameter of coal seam filling drilling is the same, so that utilize the position sleeve is right the filling state of sealed position sleeve is fixed a position.
When filling operation is carried out, the sealing positioning sleeve is fixedly positioned at the center of the coal seam filling drill hole, and the filling head body is slid to enable the radial flow channel on the filling head body to sequentially correspond to the flow channel holes at different positions on the sealing positioning sleeve, so that filling processing is carried out on different required filling positions of the coal seam filling drill hole.
The outer peripheral surface of the sealing and positioning sleeve 20 is provided with a fluffy rough structure 26, and the rough structure is convenient for fastening and fixing the filling slurry and the sealing and positioning sleeve after filling.
The slurry mixing equipment comprises a first motor 2, the lower end of the first motor 2 is fixedly attached to the upper end of a fixed frame 3, the upper end of the first motor 2 is fixedly attached to the inner side of a first belt pulley 4, the left end of the fixed frame 3 is fixedly attached to the upper side of the right end of a barrel 8, the outer part of the first belt pulley 4 is rotatably connected with the outer part of a second belt pulley 6 through a belt 5, the inner side of the middle part of the second belt pulley 6 is fixedly attached to the upper end of a rotating shaft 7, the upper end of the rotating shaft 7 is rotatably connected with the middle part of the upper end of the barrel 8, the outer part of the rotating shaft 7 is fixedly attached to the inner side of a stirring blade 9, the lower end of the barrel 8 is communicated with the upper end of a base 10, the lower end of the barrel 8 is fixedly attached to the upper end of a conical barrel 11, the middle part of the base 10 is rotatably connected with the lower end of the rotating shaft 7, the left end of the base 10 is communicated with the right end of a discharging pipe 13, the outer part of the upper end of the conical barrel 11 is fixedly attached to the outer side of a supporting frame 12, the rear end of the discharging pipe 13 is connected with the feeding pipe 14, the rear end of the feeding pipe 14 is connected with the output end of the filling pump 15, the lower end of the filling pump 15 is fixedly locked with the upper end of the supporting seat 16, the left end of the filling pump 15 is connected with the right end of the filling pipe 17 in an inserting mode, and the first motor 2, the filling pump 15 and the second motor 182 are all electrically connected with the power line 1.
A feeding seat is arranged on one side of the upper portion of the barrel 8, and a protective cover 18 is arranged on the feeding seat in an openable mode. The inner side of the flow passage hole 21 on the sealing positioning sleeve 20 is provided with a sealing bulge at the periphery of the flow passage hole, and the sealing bulge can be in sealing abutment on the peripheral surface of the filling head body 19. The rear end of the sealing positioning sleeve 20 is provided with a conical insertion hole, and the front end of the filling head body 19 is provided with a conical head which is in sealing connection with the conical insertion hole.
In addition, the invention also includes a protecting cover 18, the protecting cover 18 is located on the upper side of the rear end of the cylinder 8, the protecting cover 18 is composed of a lower hopper 181, a second motor 182, a first rotating column 183, a first fixed seat 184, a first rotating rod 185, a sliding block 186, a second rotating rod 187, a fixed rod 188, a sliding rail plate 189 and a rotating cover plate 1810, the lower end of the lower hopper 181 is inserted into the upper side of the rear end of the cylinder 8 through an inlet 801, the right end of the second motor 182 is fixedly attached to the left end surface of the first rotating column 183, the middle part of the first rotating column 183 is rotatably connected to the upper end of the first fixed seat 184, the lower end of the first fixed seat 184 is fastened to the lower hopper 181, the front end of the first rotating rod 185 is fixedly attached to the 5cm position of the left end of the first rotating column 183, the left end of the sliding block 186 is rotatably connected to the rear end of the first rotating column 185, the front end of the second rotating rod 187 is rotatably connected to the left side of the front end of the lower hopper 181 through the fixed rod 188, slide rail plate 189 is inside to slide-mount with second dwang 187 rear end upper side, it is fixed with the laminating of hopper 181 front end upper side down to rotate apron 1810 front end.
The rotating cover plate 1810 comprises a cover plate body 18101, a cover plug 18102, a second rotating column 18103 and a second fixing seat 18104, wherein the left end of the cover plate body 18101 is fixedly attached to the right end of the sliding rail plate 189, the upper end of the cover plug 18102 is fixedly attached to the lower end of the cover plate body 18101, the outer side of the middle of the second rotating column 18103 is inserted into the front end of the cover plate body 18101, the upper end of the second fixing seat 18104 is rotatably connected with the left end and the right end of the second rotating column 18103, and the lower end of the second fixing seat 18104 is fixedly attached to the front side of the upper end of the discharging hopper 181.
A motor connecting plate 1801 is arranged at the connection position of the discharging hopper 181 and the second motor 182, and the discharging hopper 181 is arc-shaped. The first rotating rod 185, the sliding block 186, the second rotating rod 187, the fixed rod 188 and the sliding rail plate 189 are arranged in two groups, the front end of the other group of the first rotating rod 185 is connected with the right end of the first rotating column 183 in an inserting mode, the upper end of the second rotating rod 187 is provided with a sliding rod 1802, the right end of the sliding rod 1802 is installed on the inner wall of the sliding rail plate 189 in a sliding mode, the right end of the sliding rail plate 189 is fixedly attached to the left end of a rotating cover plate 1810, the front end of the sliding rail plate 189 is connected with the left end of a second fixed seat 18104 in a rotating mode, the rotating angle of the cover plate body 18101 between the second rotating column 18103 and the second fixed seat 18104 is 0-120 degrees, and the lower end of the cover plug 18102 is connected with the upper end of the discharging hopper 181 in an inserting mode.
When the invention is used, a certain proportion of slurry is introduced into a cylinder 8 through an inlet 801 through a protective cover 18, a first motor 2 is started, the first motor 2 drives a first belt pulley 4 to rotate, the first belt pulley 4 and a second belt pulley 6 rotate through a belt 5, the second belt pulley 6 drives a stirring blade 9 to rotate in the cylinder 8 through a rotating shaft 7, so that the stirring blade 9 stirs the slurry, after the stirring is completed, a filling pump 15 is started, the slurry is conveyed from the interior of a conical cylinder 11 and a base 10 to a feeding pipe 14 through a discharging pipe 13, then enters the interior of the filling pump 15, finally is conveyed to a filling head mechanism from a filling pipe 17 and flows out through a flow passage hole on a sealing positioning sleeve for filling, wherein, during the stirring process of the stirring blade 9, the second motor 182 is started, the second motor 182 drives a first rotating column 183 to be rotatably connected at the upper end of a first fixing seat 184, first rotating column 183 drives two sets of first rotating rods 185 respectively and rotates, first rotating rod 185 drives slider 186 at second rotating rod 187 middle part outside slidable mounting, simultaneously, slider 186 drives second rotating rod 187 front end and passes through dead lever 188 and lower hopper 181 front end and rotate and be connected, second rotating rod 187 upper end passes through slide bar 1802 at the inside slidable mounting of slide rail plate 189, and then drive apron body 18101 and rotate with second fixing base 18104 upper end through second rotating column 18103 and be connected, make lid stopper 18102 in the rotation apron 1810 peg graft with lower hopper 181 upper end, wherein, motor connecting plate 1801 has played the effect of support, thereby further prevent mud spill, influence the surrounding environment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes 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. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (7)
1. The utility model provides a coal seam slip casting filling equipment, includes muddy thick liquid equipment, filling pump (15), filling tube (17) and filling head mechanism, wherein, the input of filling pump is connected to the bottom output of muddy thick liquid equipment, the output of filling pump is connected to the filling tube, its characterized in that, the front end of filling tube is provided with filling head mechanism, filling head mechanism stretches into in the filling hole of coal seam, just filling head mechanism includes filling head body (19) and sealed position sleeve (20), the rear end of filling head body is connected on the filling tube, the center of filling head body is provided with thick liquid center runner (25), be provided with the multiunit all around of filling head body along radial runner (23) that the axial direction interval of filling head body set up, every group radial runner all includes a plurality of along the radial runner of the circumferencial direction array of filling head body, the sealing positioning sleeve is slidably and tightly sleeved on the periphery of the filling head body (19), and a plurality of runner holes (21) corresponding to radial runner outlets on the filling head body are formed in the sealing positioning sleeve; the outer diameter of the sealing positioning sleeve is smaller than the inner diameter of a coal seam filling drill hole (24) of a coal seam (22) to be filled;
the outer part of one end or two ends of the sealing positioning sleeve is also provided with a positioning sleeve, and the outer diameter of the positioning sleeve is the same as the inner diameter of the coal seam filling drill hole, so that the filling state of the sealing positioning sleeve is positioned by using the positioning sleeve;
when filling operation is carried out, the sealing positioning sleeve is fixedly positioned in the center of the coal seam filling drill hole, and the filling head body is slid to enable the radial flow channel on the filling head body to sequentially correspond to flow channel holes in different positions on the sealing positioning sleeve, so that filling processing is carried out on different filling positions of the coal seam filling drill hole;
the outer peripheral surface of the sealing positioning sleeve (20) is provided with a fluffy rough structure (26), and the rough structure is convenient for fastening and fixing the filling slurry and the sealing positioning sleeve after filling.
2. The coal seam grouting and filling equipment of claim 1, wherein: radial runner (23) with be provided with 45 contained angles between the center runner, just radial runner orientation the front end slope of filling head body.
3. The coal seam grouting and filling equipment of claim 1, wherein: the number of the flow passage holes (21) on the sealing positioning sleeve (20) is integral multiple of the number of the radial flow passages on the filling head body.
4. A coal seam grouting and filling apparatus according to claim 3, wherein: the mixing equipment comprises a first motor (2), the lower end of the first motor (2) is fixedly attached to the upper end of a fixed frame (3), the upper end of the first motor (2) is fixedly attached to the inner side of a first belt pulley (4), the left end of the fixed frame (3) is fixedly attached to the upper side of the right end of a barrel (8), the outer part of the first belt pulley (4) is rotatably connected with the outer part of a second belt pulley (6) through a belt (5), the inner side of the middle part of the second belt pulley (6) is fixedly attached to the upper end of a rotating shaft (7), the upper end of the rotating shaft (7) is rotatably connected with the middle part of the upper end of the barrel (8), the outer part of the rotating shaft (7) is fixedly attached to the inner side of a stirring blade (9), the lower end of the barrel (8) is communicated with the upper end of a base (10), the lower end of the barrel (8) is fixedly attached to the upper end of a conical barrel (11), the middle part of the base (10) is rotatably connected with the lower end of the rotating shaft (7), and base (10) left end is linked together with discharging pipe (13) right-hand member, the laminating of toper section of thick bamboo (11) upper end outside and support frame (12) upper end outside is fixed, discharging pipe (13) rear end is connected with feed pipe (14), feed pipe (14) rear end is connected with filling pump (15) output, filling pump (15) lower extreme and supporting seat (16) upper end locking are fixed to filling pump (15) left end is pegged graft with filling pipe (17) right-hand member, first motor (2), filling pump (15) and second motor (182) all are connected with power cord (1) electricity.
5. A coal seam grouting and filling equipment according to claim 4, characterized in that: a feeding seat is arranged on one side of the upper portion of the barrel body (8), and a protective cover (18) is arranged on the feeding seat in an openable mode.
6. A coal seam grouting and filling apparatus according to claim 3, wherein: the inner side of the flow channel hole (21) in the sealing positioning sleeve (20) is provided with a sealing bulge at the periphery of the flow channel hole, and the sealing bulge can be abutted against the outer peripheral surface of the filling head body (19) in a sealing mode.
7. A coal seam grouting and filling apparatus according to claim 3, wherein: the rear end of the sealing positioning sleeve (20) is provided with a conical insertion hole, and the front end of the filling head body (19) is provided with a conical head which is in sealing connection with the conical insertion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010104909.7A CN111305841B (en) | 2020-02-20 | 2020-02-20 | Coal seam slip casting filling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010104909.7A CN111305841B (en) | 2020-02-20 | 2020-02-20 | Coal seam slip casting filling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111305841A CN111305841A (en) | 2020-06-19 |
| CN111305841B true CN111305841B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010104909.7A Active CN111305841B (en) | 2020-02-20 | 2020-02-20 | Coal seam slip casting filling equipment |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205297645U (en) * | 2015-11-17 | 2016-06-08 | 山东科技大学 | Adjustable multistage formula filling device |
| EP3196403B1 (en) * | 2016-01-20 | 2019-07-24 | Sandvik Mining and Construction Oy | Feed apparatus and method for feeding cement to a cement silo |
| CN108708768A (en) * | 2018-06-04 | 2018-10-26 | 徐州中国矿大岩土工程新技术发展有限公司 | Slip casting tube head, grouting device and its construction method |
| CN209163864U (en) * | 2018-12-25 | 2019-07-26 | 杨利刚 | A kind of coal face caving place device for filling |
| CN110107349B (en) * | 2019-04-02 | 2021-04-23 | 中勘资源勘探科技股份有限公司 | Be applied to grouting equipment that overlying strata was kept apart |
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