CN114543606B - Mine roof presplitting blasting hole sealing device - Google Patents
Mine roof presplitting blasting hole sealing device Download PDFInfo
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- CN114543606B CN114543606B CN202210378227.4A CN202210378227A CN114543606B CN 114543606 B CN114543606 B CN 114543606B CN 202210378227 A CN202210378227 A CN 202210378227A CN 114543606 B CN114543606 B CN 114543606B
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- circular
- sleeve
- blasting
- positioning mechanism
- hole sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
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- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of coal mine deep hole blasting hole sealing, in particular to a mine roof presplitting blasting hole sealing device which comprises a blasting barrel, wherein a circular block is arranged below the blasting barrel, a bag sleeve is arranged at the top of the circular block, a circular top block is arranged at the top of the bag sleeve, and a lead is arranged at the bottom of the blasting barrel. When the circular plugging device is used, after a top plate drilling hole is sent into the blasting barrel, the circular top block, the bag sleeve and the circular plugging block are placed, when the circular plugging block reaches a specified position, the rotating mechanism can be driven to rotate through the spiral extrusion mechanism, the drilling positioning mechanism is further driven to rotate, and meanwhile, an extrusion force is provided for the drilling positioning mechanism, so that the drilling positioning mechanism can rotate to extrude the drilling positioning mechanism into a rock mass or a coal body, and further fixation is formed, the dropping during blasting is avoided, and the drilling positioning mechanism can extend into the rock mass or the coal body to be fixed in an auxiliary mode while less hole sealing materials are used, so that the blasting effect is improved.
Description
Technical Field
The invention particularly relates to a mine roof presplitting blasting hole sealing device.
Background
At present, a top plate pre-splitting drill hole is an important pressure relief means for preventing and controlling rock burst in a rock burst mine on a coal face. Before working face recovery, a top plate is drilled on the upper hard rock layer, blasting and pre-splitting are carried out, the integrity of the overlying hard rock layer is damaged, the gathered elastic energy is released in advance, and the risk of rock burst is reduced.
When hole sealing is carried out, a hole sealing material is directly injected into a drill hole through a grouting pipe by a general grouting pump, so that the hole sealing is firm, the hole sealing material easily permeates into a rock body or a coal body through a crack in the drill hole, more grouting hole sealing materials are needed, the time consumption is long, a bag is adopted for hole sealing, the hole sealing effect is poor compared with the former, the hole sealing is mainly carried out by adopting the pressure of the bag, the bag cannot extend into the rock body or the coal body for auxiliary sealing, and the mine roof presplitting blasting hole sealing device is provided.
Disclosure of Invention
The invention aims to provide a mine roof presplitting blasting hole sealing device, which solves the problems that the hole sealing material is directly injected into a drill hole through a grouting pipe by a general grouting pump in the background technology, so that the hole sealing is firm, the hole sealing material easily permeates into a rock body or a coal body through a crack in the drill hole, more grouting hole sealing materials are needed, the time consumption is long, and a bag is adopted for hole sealing, but the hole sealing effect is poorer than that of the former, the hole sealing is mainly carried out by adopting the pressure of the bag, and the hole sealing material cannot extend into the rock body or the coal body for auxiliary sealing.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mine roof presplitting blasting hole sealing device, includes the blasting cartridge, the below of blasting cartridge is provided with circular sprue, the bag cover is installed at the top of circular sprue, circular kicking block is installed at the top of bag cover, the lead wire is installed to the bottom of blasting cartridge, the blasting cartridge with the lateral part that circular kicking block is close to each other installs the telescope tube, install the injection tube on the circular sprue, the blasting cartridge with the lateral part that circular kicking block is close to each other all has seted up the through-hole, telescope tube and two the position of through-hole is corresponding, the one end of lead wire runs through two through-holes with the telescope tube, the cavity has been seted up on the blasting cartridge, set up the screw hole on the bottom side inner wall of cavity, install the screw extrusion mechanism in the screw hole, install slewing mechanism on the inner wall of cavity, slewing mechanism with the screw extrusion mechanism is connected, drilling positioning mechanism is installed at slewing mechanism's top, drilling positioning mechanism with the screw extrusion mechanism is connected.
During the use, after the explosion section of thick bamboo is sent into in roof drilling, put into circular kicking block, bag cover and circular sprue, when circular sprue reachd the assigned position, can take slewing mechanism to rotate through screw extrusion mechanism, and then drive and bore positioning mechanism and rotate, offer simultaneously and bore an extrusion force of positioning mechanism to can make and bore positioning mechanism and rotate the extrusion and get into rock mass or coal body, and then form fixedly, avoid droing when the blasting, improve the blasting effect.
Preferably, the screw extrusion mechanism comprises an external thread sleeve which is installed in the threaded hole in a threaded manner, a circular table sleeve is installed at the top of the external thread sleeve, the circular table sleeve is installed in a matched manner with the drilling positioning mechanism, two sliding blocks are installed on the side portion of the external thread sleeve, and the two sliding blocks are connected with the rotating mechanism.
Furthermore, when the drilling positioning mechanism is used, the external thread sleeve is rotated to enable the external thread sleeve to move upwards in a spiral mode, the external thread sleeve rotates to drive the two sliding blocks to rotate, and therefore rotating force can be transmitted, and extrusion force can be provided for the drilling positioning mechanism conveniently.
Preferably, slewing mechanism including install in solid fixed ring on the cavity inner wall, gu seted up the ring channel on the fixed ring inner wall, the rotating ring is installed to the ring channel internal rotation, the annular cover is installed to the bottom of rotating ring, two sliding trays have been seted up on the inner wall of annular cover, two sliding block slidable mounting respectively is in two in the sliding tray, face gear is installed at the top of rotating ring, face gear with it is connected to bore into positioning mechanism.
Further, two sliding blocks rotate, and then drive the annular sleeve and rotate, and the annular sleeve is changeed and is driven rotating ring and face gear and rotate to can drive and bore positioning mechanism and rotate, thereby be convenient for bore positioning mechanism and get into rock mass or coal body.
Preferably, it includes that a plurality of even circumferences install in the stop collar at solid fixed ring top, it is a plurality of equal slidable mounting has the connecting rod in the stop collar, it is a plurality of the connecting rod is kept away from the one end of lead wire all installs the toper drilling rod, and is a plurality of the connecting rod is close to the one end of lead wire all installs the rectangle slide bar, and is a plurality of one side of rectangle slide bar all is provided with the pole of cup jointing, and is a plurality of the rectangular channel has all been seted up to the lateral part of pole of cup jointing, and is a plurality of the rectangle slide bar extends to a plurality of respectively in the rectangular channel and all install pressure spring, and is a plurality of pressure spring keeps away from the one end of connecting rod is respectively with a plurality of the interior wall connection of rectangular channel, and is a plurality of all the cover is cup jointed and is connect and is running gear, and is a plurality of running gear all with the face gear meshes, and is a plurality of the cup joint pole is close to the one end of lead wire all installs the mobile station, and is a plurality of the mobile station with contact of platform cover.
Further, the external thread sleeve rotates and drives the taper drill rod to rotate, and the rod that cup joints simultaneously removes and makes pressure spring take place to deform, and then can give the power that advances of taper drill rod, and then promotes the taper drill rod and remove when making the taper drill rod pivoted to make the taper drill rod slowly rotate and get into rock mass or coal internally, thereby make the blasting cartridge and rock mass, coal body form fixedly.
Preferably, a plurality of annular drill holes are uniformly formed in the inner wall of the cavity, and the plurality of tapered drill rods are respectively arranged in the plurality of drill holes.
Furthermore, through the arrangement of a plurality of drill holes, the tapered drill rod is convenient to avoid.
Preferably, a piston sleeve is installed at the top of the circular block, a piston is installed in the piston sleeve in a sliding mode, a moving column is installed at the bottom of the piston, an extrusion spring is sleeved on the moving column, the two ends of the extrusion spring extend to the bottom of the piston and the top of the blasting barrel respectively, a connecting hole is formed in the inner wall of the top of the cavity, and the bottom end of the moving column penetrates through the connecting hole.
Further, with hole sealing material in discharging into the bag cover through the injection pipe to make the bag cover expand, the atmospheric pressure grow in the bag cover, thereby make the piston remove, the piston removes and drives extrusion spring and take place deformation, and the piston removes simultaneously and drives the removal post and remove, and then can follow the removal length of removal post and learn the inside atmospheric pressure of bag cover.
Preferably, a scale is installed on the side of the injection pipe, and the scale corresponds to the position of the moving column.
Furthermore, through the setting of the scale, the air pressure in the bag cover is obtained from the positions of the movable column and the scale, and the bag cover is prevented from being influenced by too large or too small air pressure to seal.
Preferably, the width of the face gear minus the width of the rotating gear is greater than the diameter of the bottom of the circular truncated cone sleeve minus one-half of the length of the diameter of the top of the circular truncated cone sleeve.
Further, the advantage of setting up like this is, avoids the running gear to shift out the face gear when removing to guarantee running gear and face gear can stable transmission.
In conclusion, the beneficial effects of the invention are as follows:
1. when the circular plugging device is used, after a top plate drilling hole is sent into the blasting barrel, the circular top block, the bag sleeve and the circular plugging block are placed, when the circular plugging block reaches a specified position, the rotating mechanism can be driven to rotate through the spiral extrusion mechanism, the drilling positioning mechanism is further driven to rotate, and meanwhile, an extrusion force is provided for the drilling positioning mechanism, so that the drilling positioning mechanism can rotate to extrude the drilling positioning mechanism into a rock mass or a coal body, and further fixation is formed, the dropping during blasting is avoided, and the drilling positioning mechanism can extend into the rock mass or the coal body to be fixed in an auxiliary mode while less hole sealing materials are used, so that the blasting effect is improved.
2. According to the invention, the hole sealing material is discharged into the bag sleeve through the injection pipe, so that the bag sleeve is expanded, the air pressure in the bag sleeve is increased, the piston moves to drive the extrusion spring to deform, meanwhile, the piston moves to drive the moving column to move, and the air pressure in the bag sleeve can be obtained according to the moving length of the moving column.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an overall elevational cross-sectional schematic view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic perspective view of the connection of the rotating ring, the annular sleeve and the face gear;
FIG. 4 is a schematic perspective view of a screw extrusion structure;
fig. 5 is a perspective view of a portion of the drill-in positioning mechanism.
In the figure: 1. an explosive cartridge; 2. a circular block; 3. a bag sleeve; 4. a circular top block; 5. a telescopic sleeve; 6. a lead; 7. an injection pipe; 8. an external thread sleeve; 9. a slider; 10. a circular table sleeve; 11. a fixing ring; 12. a rotating ring; 13. an annular sleeve; 14. a sliding groove; 15. moving the column; 16. a face gear; 17. a mobile station; 18. a limiting sleeve; 19. a rotating gear; 20. sleeving a rod; 21. a rectangular slide bar; 22. a connecting rod; 23. a tapered drill pipe; 24. a pressure spring; 25. a piston sleeve; 26. and a piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
Referring to fig. 1-5, a grass planting and watering device for ecological restoration of a mining area comprises a blasting cartridge 1, a circular block 2 is arranged below the blasting cartridge 1, a bag sleeve 3 is arranged at the top of the circular block 2, a circular top block 4 is arranged at the top of the bag sleeve 3, a lead 6 is arranged at the bottom of the blasting cartridge 1, a telescopic sleeve 5 is arranged at the side part of the blasting cartridge 1, which is close to the circular top block 4, through holes are formed in the side part of the blasting cartridge 1, which is close to the circular top block 4, the positions of the telescopic sleeve 5 and the two through holes are corresponding, one end of the lead 6 penetrates through the two through holes and the telescopic sleeve 5, an injection pipe 7 is arranged on the circular block 2, a cavity is formed in the blasting cartridge 1, a threaded hole is formed in the inner wall of the bottom side of the cavity, a screw extrusion mechanism is arranged in the threaded hole, a rotating mechanism is arranged on the inner wall of the cavity, the rotating mechanism is connected with the screw extrusion mechanism, a drilling positioning mechanism is arranged at the top of the rotating mechanism, and the drilling positioning mechanism is connected with the screw extrusion mechanism.
Based on above structure, during the use, after 1 section of thick bamboo of blasting is sent into in the roof drilling, with circular kicking block 4, bag cover 3 and circular sprue 2 are put into, when circular sprue 2 reachs the assigned position, can take slewing mechanism to rotate through the screw extrusion mechanism, and then drive and bore positioning mechanism and rotate, offer simultaneously and bore an extrusion force of positioning mechanism, thereby can make to bore positioning mechanism and rotate the extrusion and get into rock mass or coal body, and then form fixedly, avoid droing when the blasting, improve the blasting effect.
Example two
Based on the embodiment 1, the screw extrusion mechanism comprises the external thread sleeve 8 which is installed in the threaded hole in a threaded manner, the circular table sleeve 10 is installed at the top of the external thread sleeve 8, the circular table sleeve 10 is installed in a matched manner with the drilling positioning mechanism, the two sliding blocks 9 are installed on the lateral portion of the external thread sleeve 8, and the two sliding blocks 9 are connected with the rotating mechanism. During the use, rotate external thread bush 8 and make its spiral rebound, external thread bush 8 rotates and drives two sliding blocks 9 rotations to can transmit the revolving force and be convenient for provide the extrusion force for boring into positioning mechanism.
EXAMPLE III
Based on above-mentioned embodiment 1 or 2, slewing mechanism is including installing solid fixed ring 11 on the cavity inner wall, has seted up the ring channel on the solid fixed ring 11 inner wall, and the rotating ring 12 is installed to the ring channel internal rotation, and annular cover 13 is installed to the bottom of rotating ring 12, has seted up two sliding tray 14 on the inner wall of annular cover 13, and two sliding blocks 9 are respectively slidable mounting in two sliding tray 14, and face gear 16 is installed at the top of rotating ring 12, and face gear 16 is connected with brill positioning mechanism. The two sliding blocks 9 rotate to drive the annular sleeve 13 to rotate, and the annular sleeve 13 drives the rotating ring 12 and the end face gear 16 to rotate, so that the drilling positioning mechanism can be driven to rotate, and the drilling positioning mechanism can enter a rock body or a coal body conveniently.
Example four
Based on above-mentioned embodiment 1, 2 or 3, it installs the stop collar 18 at solid fixed ring 11 top to bore positioning mechanism including a plurality of even circumferences, equal slidable mounting has connecting rod 22 in a plurality of stop collars 18, tapered drill rod 23 is all installed to the one end that a plurality of connecting rods 22 kept away from lead wire 6, rectangle slide bar 21 is all installed to the one end that a plurality of connecting rods 22 are close to lead wire 6, one side of a plurality of rectangle slide bar 21 all is provided with cup joints pole 20, the rectangular channel has all been seted up to the lateral part of a plurality of cup joints pole 20, a plurality of rectangle slide bar 21 extend to a plurality of rectangular channels respectively and all install pressure spring 24, the one end that a plurality of pressure spring 24 kept away from connecting rod 22 is respectively with the interior wall connection of a plurality of rectangular channel, all fixed the pivoted gear 19 that has cup jointed on a plurality of cup joints pole 20, a plurality of pivoted gear 19 all mesh with face gear 16, moving platform 17 is all installed to the one end that a plurality of cup joints pole 20 and are close to lead wire 6, a plurality of moving platform 17 contact with round platform cover 10. The external thread sleeve 8 rotates and drives the taper drill rod 23 to rotate, the sleeve connection rod 20 moves to enable the pressure spring 24 to deform, then forward force can be given to the taper drill rod 23, the taper drill rod 23 is pushed to move when the taper drill rod 23 rotates, and therefore the taper drill rod 23 slowly rotates to enter a rock body or a coal body, and the blasting cartridge 1 is fixed with the rock body and the coal body.
EXAMPLE five
Based on the above embodiments 1, 2, 3 or 4, a plurality of annularly arranged drill holes are uniformly formed on the inner wall of the cavity, and the plurality of tapered drill rods 23 are respectively installed in the plurality of drill holes. Through the arrangement of a plurality of drilling holes, the tapered drill rod 23 is convenient to avoid.
Example six
Based on above-mentioned embodiment 1, 2, 3, 4 or 5, piston sleeve 25 is installed at the top of circular sprue 2, and slidable mounting has piston 26 in piston sleeve 25, and removal post 15 is installed to piston 26's bottom, has cup jointed the extrusion spring on the removal post 15, and on the both ends of extrusion spring extended to the bottom of piston 26, the top of blasting cartridge 1 respectively, seted up the connecting hole on the top side inner wall of cavity, the bottom through connection hole of removal post 15. The hole sealing material is discharged into the bag sleeve 3 through the injection pipe 7, so that the bag sleeve 3 is expanded, the air pressure in the bag sleeve 3 is increased, the piston 26 moves, the extrusion spring is driven to deform by the movement of the piston 26, the moving column 15 is driven to move by the movement of the piston 26, and the air pressure in the bag sleeve 3 can be known according to the moving length of the moving column 15.
EXAMPLE seven
Based on the above embodiments 1, 2, 3, 4, 5 or 6, the side of the injection pipe 7 is installed with a scale corresponding to the position of the moving post 15. Through the setting of the scale, the air pressure in the capsule sleeve 3 is obtained from the positions of the movable column 15 and the scale, and the capsule sleeve 3 is prevented from being influenced by too large or too small air pressure to seal.
Example eight
Based on embodiments 1, 2, 3, 4, 5, 6 or 7 described above, the width of the face gear 16 minus the width of the rotating gear 19 is greater than the diameter of the bottom of the circular truncated cone sleeve 10 minus one-half of the length of the diameter of the top of the circular truncated cone sleeve 10. This has the advantage that the running gear 19 is prevented from moving out of the face gear 16 during the movement, thereby ensuring a stable transmission of the running gear 19 and the face gear 16.
The working principle of the invention is as follows: during the use, after the top plate is drilled and sent into the blasting cartridge 1, put into circular kicking block 4, bag cover 3 and circular sprue 2, when circular sprue 2 reachd the assigned position, rotate external screw thread cover 8 and make its spiral rebound, external screw thread cover 8 rotates and drives two sliding blocks 9 rotations, and then drive annular cover 13 and rotate, annular cover 13 changes and drives swivel becket 12 and face gear 16 and rotate, and then make a plurality of bull gears 19 rotate, a plurality of bull gears 19 rotate and drive a plurality of pole 20 that cup joint, a plurality of rectangle slide bar 21 and a plurality of toper drilling rod 23 rotate.
Meanwhile, the external thread sleeve 8 moves upwards to drive the two sliding blocks 9 to respectively slide in the two sliding grooves 14, meanwhile, the external thread sleeve 8 spirally moves upwards to drive the circular table sleeve 10 to spirally move upwards, the circular table sleeve 10 extrudes the moving table 17 so that the moving table 17 approaches to the connecting rod 22, the moving table 17 moves to drive the sleeve rod 20 to move, the sleeve rod 20 moves to drive the rotating gear 19 to move, the rotating gear 19 slides on the face gear 16, the sleeve rod 20 moves to deform the pressure spring 24, and then forward force is given to the tapered drill rod 23, so that the tapered drill rod 23 is driven to move when rotating, the tapered drill rod 23 slowly rotates to enter a rock body or a coal body, the blasting cylinder 1 is fixed with the rock body and the coal body, at the moment, hole sealing materials are discharged into the bag sleeve 3 through the injection pipe 7, the bag sleeve 3 expands, air pressure in the bag sleeve 3 is increased, the piston 26 moves to drive the extrusion spring to deform, and the piston 26 moves to drive the moving column 15 to move, so that air pressure in the bag sleeve 3 is known from the positions of the moving column 15 and scales, and the air pressure in the bag sleeve 3 is prevented from being over, and the blasting lead can be ignited when the sealing is required to be ignited, and the sealing is required to be ignited, and the required to be ignited.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a mine roof presplitting blasting hole sealing device, includes blasting cartridge (1), its characterized in that: a circular block (2) is arranged below the blasting barrel (1), a bag sleeve (3) is arranged at the top of the circular block (2), a circular ejecting block (4) is arranged at the top of the bag sleeve (3), a lead (6) is arranged at the bottom of the blasting barrel (1), telescopic sleeves (5) are arranged on the side portions, close to each other, of the blasting barrel (1) and the circular ejecting block (4), through holes are formed in the side portions, close to each other, of the blasting barrel (1) and the circular ejecting block (4), the telescopic sleeves (5) correspond to the through holes in position, one end of the lead (6) penetrates through the two through holes and the telescopic sleeves (5), an injection pipe (7) is arranged on the circular block (2), a cavity is formed in the blasting barrel (1), a threaded hole is formed in the inner wall of the bottom side of the cavity, a screw extrusion mechanism is arranged in the threaded hole, a rotating mechanism is arranged on the inner wall of the cavity, the rotating mechanism is connected with the screw extrusion mechanism, a drilling positioning mechanism is arranged at the top of the rotating mechanism, and the drilling positioning mechanism is connected with the screw extrusion mechanism; the spiral extrusion mechanism comprises an external thread sleeve (8) which is installed in the threaded hole in a threaded manner, a circular table sleeve (10) is installed at the top of the external thread sleeve (8), the circular table sleeve (10) is installed in a matched manner with the drilling positioning mechanism, two sliding blocks (9) are installed on the side part of the external thread sleeve (8), and the two sliding blocks (9) are connected with the rotating mechanism; the rotating mechanism comprises a fixing ring (11) arranged on the inner wall of the cavity, an annular groove is formed in the inner wall of the fixing ring (11), a rotating ring (12) is rotatably arranged in the annular groove, an annular sleeve (13) is arranged at the bottom of the rotating ring (12), two sliding grooves (14) are formed in the inner wall of the annular sleeve (13), the two sliding blocks (9) are respectively and slidably arranged in the two sliding grooves (14), an end face gear (16) is arranged at the top of the rotating ring (12), and the end face gear (16) is connected with the drilling positioning mechanism; drilling positioning mechanism include a plurality of even circumference install in stop collar (18) at solid fixed ring (11) top, it is a plurality of equal slidable mounting has connecting rod (22), a plurality of connecting rod (22) are kept away from toper drilling rod (23) are all installed to the one end of lead wire (6), it is a plurality of connecting rod (22) are close to rectangle slide bar (21) are all installed to the one end of lead wire (6), it is a plurality of one side of rectangle slide bar (21) all is provided with cup joint pole (20), and is a plurality of the rectangular channel has all been seted up to the lateral part of cup joint pole (20), and is a plurality of rectangle slide bar (21) extend to a plurality of respectively in the rectangular channel and all install pressure spring (24), it is a plurality of pressure spring (24) are kept away from the one end of connecting rod (22) respectively with a plurality of the interior wall connection in rectangular channel, it is a plurality of all fixed cup joint on cup joint pole (20) and have been connected rotating gear (19), and is a plurality of rotating gear (19) all with end face gear (16) mesh, a plurality of cup joint pole (20) are close to the moving platform (17) all install moving platform (17), a plurality of moving platform (17) and moving platform (17).
2. The mine roof presplitting blasting hole sealing device according to claim 1, characterized in that: a plurality of annular drill holes are uniformly formed in the inner wall of the cavity, and the plurality of tapered drill rods (23) are respectively arranged in the plurality of drill holes.
3. The mine roof presplitting blasting hole sealing device according to claim 1, characterized in that: piston sleeve (25) are installed at the top of circular sprue (2), slidable mounting has piston (26) in piston sleeve (25), removal post (15) are installed to the bottom of piston (26), the extrusion spring has been cup jointed on removing post (15), the both ends of extrusion spring extend to respectively the bottom of piston (26) on the top of blasting cartridge (1), the connecting hole has been seted up on the top side inner wall of cavity, the bottom of removing post (15) runs through the connecting hole.
4. The mine roof presplitting blasting hole sealing device according to claim 3, characterized in that: scales are arranged on the side of the injection pipe (7) and correspond to the position of the movable column (15).
5. The mine roof presplitting blasting hole sealing device according to claim 1, characterized in that: the width of the face gear (16) minus the width of the rotating gear (19) is greater than the diameter of the bottom of the circular table sleeve (10) minus one half of the length of the diameter of the top of the circular table sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210378227.4A CN114543606B (en) | 2022-04-12 | 2022-04-12 | Mine roof presplitting blasting hole sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210378227.4A CN114543606B (en) | 2022-04-12 | 2022-04-12 | Mine roof presplitting blasting hole sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114543606A CN114543606A (en) | 2022-05-27 |
| CN114543606B true CN114543606B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210378227.4A Active CN114543606B (en) | 2022-04-12 | 2022-04-12 | Mine roof presplitting blasting hole sealing device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2031561A (en) * | 1978-09-20 | 1980-04-23 | Bourguignonne Plastique | Cartridges for plugging blasting holes |
| WO2009109008A1 (en) * | 2008-03-04 | 2009-09-11 | Trouperdale Pty Ltd | Borehole plug with a primary bladder inflation device and a pressure booster |
| CN108106507A (en) * | 2017-12-18 | 2018-06-01 | 王本勋 | A kind of tunnel top blasthole plugging device |
| CN209310656U (en) * | 2018-12-12 | 2019-08-27 | 江西国泰民爆集团股份有限公司 | A kind of convenient multiple-row blasting device |
| CN112360386A (en) * | 2020-12-29 | 2021-02-12 | 山西工程技术学院 | Hydraulic drive positioning type sealing method for inclined large-diameter drilling of coal mine |
| CN112945042A (en) * | 2021-02-05 | 2021-06-11 | 中南大学 | VCR method blast hole bottom plugging device and plugging method |
-
2022
- 2022-04-12 CN CN202210378227.4A patent/CN114543606B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2031561A (en) * | 1978-09-20 | 1980-04-23 | Bourguignonne Plastique | Cartridges for plugging blasting holes |
| WO2009109008A1 (en) * | 2008-03-04 | 2009-09-11 | Trouperdale Pty Ltd | Borehole plug with a primary bladder inflation device and a pressure booster |
| CN108106507A (en) * | 2017-12-18 | 2018-06-01 | 王本勋 | A kind of tunnel top blasthole plugging device |
| CN209310656U (en) * | 2018-12-12 | 2019-08-27 | 江西国泰民爆集团股份有限公司 | A kind of convenient multiple-row blasting device |
| CN112360386A (en) * | 2020-12-29 | 2021-02-12 | 山西工程技术学院 | Hydraulic drive positioning type sealing method for inclined large-diameter drilling of coal mine |
| CN112945042A (en) * | 2021-02-05 | 2021-06-11 | 中南大学 | VCR method blast hole bottom plugging device and plugging method |
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| Publication number | Publication date |
|---|---|
| CN114543606A (en) | 2022-05-27 |
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