CN110887420A - Supplementary stifled explosive device that fills up of porthole - Google Patents
Supplementary stifled explosive device that fills up of porthole Download PDFInfo
- Publication number
- CN110887420A CN110887420A CN201911094528.9A CN201911094528A CN110887420A CN 110887420 A CN110887420 A CN 110887420A CN 201911094528 A CN201911094528 A CN 201911094528A CN 110887420 A CN110887420 A CN 110887420A
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- China
- Prior art keywords
- fixing frame
- explosive
- auxiliary
- blasthole
- filling device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002360 explosive Substances 0.000 title claims abstract description 61
- 230000008093 supporting effect Effects 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 description 10
- 239000011435 rock Substances 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a blasthole auxiliary anti-blocking explosive filling device, which is characterized in that a plurality of sections of corrugated pipes are combined to form a sleeve, a fixing frame is arranged between two adjacent sections of corrugated pipes, two sides of the fixing frame are respectively and fixedly connected with the two adjacent sections of corrugated pipes, the fixing frame is a circular plate, a plurality of auxiliary supporting plates are arranged on one side of the fixing frame at equal angles, a plurality of auxiliary supporting plates are arranged on the other side of the fixing frame at equal angles, the auxiliary supporting plates on two sides of the fixing frame are respectively supported on the inner walls of the two adjacent sections of corrugated pipes, a plurality of roll shafts are arranged on the inner ring of the fixing frame at equal angles, a limiting ring is fixedly arranged on one end of the sleeve, and a plurality of auxiliary supporting plates are arranged on one side of the limiting ring at equal angles, and the auxiliary supporting plate is supported on the inner wall of one end of the sleeve.
Description
Technical Field
The invention discloses an auxiliary anti-blocking explosive filling device for a blasthole, relates to a device for blocking prevention and auxiliary explosive filling of the blasthole, and belongs to the field of mining equipment. In particular to a device which is plugged into a blasthole through a foldable corrugated pipe for protection and changes sliding friction into rolling friction through a roller wheel when explosive sticks are loaded so as to reduce the friction force when the explosive sticks are loaded.
Background
The blasthole is a hole drilled on an object to be blasted and used for filling explosives for blasting, at present, when coal mine blasting is carried out, dozens or even hundreds of blastholes are generally drilled and then disposable powder charging work is carried out, but in the method, because the blasthole drilling is carried out successively, part of rock mass is easy to break due to vibration generated on surrounding rock masses in the subsequent blasthole drilling process, the blasthole drilled in the preamble is blocked by the broken rock mass or rock powder, the blasthole drilled in the preamble becomes a waste hole, personnel are required to carry out secondary drilling or dredge by adopting a hole dredging device, the personnel can repeatedly work, the working cost and the personnel workload are greatly increased, in the prior art, the personnel can carry out auxiliary powder charging work while preventing the blasthole from being blocked by an auxiliary sleeve, but in the powder charging process, the explosive cartridge and the sleeve directly slide and rub, and the explosive cartridge is influenced by larger sliding friction force to generate curling to influence the blasting effect due to longer length of the penetrated sleeve.
The publication number CN104654949A discloses a method for preventing a blast hole from collapsing and realizing smooth charging, wherein in the method for preventing the blast hole from collapsing and realizing smooth charging, a sleeve is stuffed in the blast hole to realize smooth charging, a barrel rod is inserted into the sleeve to prop against an explosive cartridge, the sleeve is recovered, explosive is remained in the blast hole, then a detonator is filled in, and the blast hole is plugged by stemming to wait for detonation; like this, strut the big gun hole in advance, prevented that the big gun hole from taking place to collapse the hole, the device assists through the sleeve mode and prevents stifled and powder charge, but when carrying out the powder charge the explosive cartridge directly be sliding friction with the sleeve, because the great curling jam that leads to the explosive cartridge of the longer sliding friction power of sleeve length, the personnel of not being convenient for carry out powder charge work easily.
Publication No. CN206281419U discloses an anti-blocking medicine-charging conduit, which comprises a conduit and a blocking device; the guide pipe is a hollow pipe, and the size of an inner hole of the guide pipe is larger than the peripheral size of the explosive cartridge; the blocking device surrounds the middle part of the outer wall of the catheter; the guide pipe is vertically inserted into the blast hole, the blast hole is blocked by the blocking device above the blast hole, the length of the part, above the blocking device, of the guide pipe is larger than the height of accumulated water, the guide pipe has sliding friction with the wall of the guide pipe when auxiliary charging is carried out, and the explosive cartridge is easily abraded or curled due to the sliding friction when inserted into the guide pipe, so that charging work is influenced.
Disclosure of Invention
In order to improve the situation, the auxiliary anti-blocking explosive filling device for the blasthole, disclosed by the invention, provides a device which is plugged into the blasthole through a foldable corrugated pipe for protection, and the sliding friction is converted into the rolling friction through a roller wheel during the explosive roll filling process so as to reduce the friction force during the filling process.
The invention relates to an auxiliary anti-blocking explosive filling device for blastholes, which is realized by the following steps: the invention relates to a blasthole auxiliary anti-blocking explosive filling device which comprises an extension ring, corrugated pipes, a fixing frame, a limiting ring, inserting nails, auxiliary supporting plates, rollers, convex plates, inclined inserting plates and roller shafts, wherein a plurality of sections of corrugated pipes are combined to form a sleeve, the fixing frame is arranged between two adjacent sections of corrugated pipes, two sides of the fixing frame are respectively and fixedly connected with the two adjacent sections of corrugated pipes, the fixing frame is a circular plate, a plurality of auxiliary supporting plates are arranged at equal angles on one side of the fixing frame, a plurality of auxiliary supporting plates are arranged at equal angles on the other side of the fixing frame, the auxiliary supporting plates on two sides of the fixing frame are respectively supported on the inner walls of the two adjacent sections of corrugated pipes, a plurality of roller shafts are arranged at equal angles on the inner ring of the fixing frame, the limiting ring is fixedly arranged on one end of the sleeve, a plurality of auxiliary supporting plates are arranged at equal angles on one side of, stretch into the fixed telescopic other end of arranging in of ring, the one side symmetry that stretches into the ring has two to insert the nail, the inner circle that stretches into the ring has put the flange, one side that stretches into the ring has put oblique picture peg, oblique picture peg is the arc, and the inboard inclined plane that is, the roller overhead has rotatable running roller, the anti-skidding bump has been put on the surface of assisting the fagging, the anti-skidding bump is the hemisphere bump, the pointed end of inserting the nail has put the embedding tooth, the external diameter of spacing ring is greater than the diameter of bellows, the protection pad is arranged in on the surface of spacing ring, the width of assisting the fagging increases between the one end of keeping away from the mount.
Has the beneficial effects.
The sliding friction during charging the explosive in the sleeve is changed into rolling friction to reduce the friction force, so that the explosive cartridge is convenient to insert, and the explosive cartridge is prevented from being curled during insertion.
And secondly, the blockage of the blasthole before the powder is filled is prevented, the probability and the cost of secondary drilling of the blasthole are reduced, and the workload of personnel is reduced.
Thirdly, the device can be folded and stored to be conveniently carried and used.
Fourthly, the use and the operation are simple and convenient.
Drawings
FIG. 1 is a three-dimensional structure diagram of an auxiliary anti-blocking explosive filling device for blastholes.
FIG. 2 is a three-dimensional structure diagram of a limiting ring of the auxiliary anti-blocking explosive filling device for blastholes.
FIG. 3 is a three-dimensional structure diagram of an auxiliary anti-blocking explosive filling device for blastholes extending into a ring.
FIG. 4 is a three-dimensional exploded view of the auxiliary anti-blocking explosive filling device for blastholes.
FIG. 5 is a schematic structural diagram of a fixing frame of the auxiliary anti-blocking explosive filling device for blastholes.
In the attached drawings
Wherein the method comprises the following steps: the corrugated pipe comprises an extension ring (1), a corrugated pipe (2), a fixing frame (3), a limiting ring (4), inserting nails (5), auxiliary supporting plates (6), rollers (7), convex plates (8), inclined inserting plates (9) and a roller shaft (10).
The specific implementation mode is as follows:
the invention relates to an auxiliary anti-blocking explosive filling device for blastholes, which is realized by the following steps: the invention relates to a blasthole auxiliary anti-blocking explosive filling device which comprises an extension ring (1), corrugated pipes (2), a fixing frame (3), a limiting ring (4), inserting nails (5), auxiliary supporting plates (6), a roller (7), convex plates (8), inclined inserting plates (9) and roller shafts (10), wherein a plurality of sections of corrugated pipes (2) are combined to form a sleeve, the fixing frame (3) is arranged between two adjacent sections of corrugated pipes (2), two sides of the fixing frame (3) are respectively and fixedly connected with the two adjacent sections of corrugated pipes (2), the fixing frame (3) is a circular ring-shaped plate, a plurality of auxiliary supporting plates (6) are arranged at equal angles on one side of the fixing frame (3), a plurality of auxiliary supporting plates (6) are arranged at equal angles on the other side of the fixing frame (3), the auxiliary supporting plates (6) on two sides of the fixing frame (3) are respectively supported on the inner walls of the two adjacent sections of corrugated pipes (2), a plurality of roller shafts (10), the limiting ring (4) is fixedly arranged on one end of the sleeve, a plurality of auxiliary supporting plates (6) are arranged at equal angles on one side of the limiting ring (4), the auxiliary supporting plates (6) are supported on the inner wall of one end of the sleeve, a plurality of roller shafts (10) are arranged at equal angles on the inner ring of the limiting ring (4), the stretching ring (1) is fixedly arranged on the other end of the sleeve, two inserting pins (5) are symmetrically arranged on one side of the stretching ring (1), a convex plate (8) is arranged on the inner ring of the stretching ring (1), an oblique inserting plate (9) is arranged on one side of the stretching ring (1), the oblique inserting plate (9) is an arc-shaped plate, the inner side of the oblique inserting plate is an inclined plane, rotatable roller wheels (7) are arranged on the roller shafts (10), anti-slip convex points are arranged on the surface of the auxiliary supporting plates (6), the anti-slip convex points are hemispherical convex points, the pointed ends of the inserting pins (5) are provided with embedded teeth, the outer diameter of, the surface of the limiting ring (4) is arranged in the protective pad, and the width of the auxiliary supporting plate (6) is increased towards the position between the ends far away from the fixing frame (3).
When the device is used, after a blast hole is drilled, a limiting ring (4) of the device is buckled at a blast hole opening, then the limiting ring butts against a convex plate (8) extending into a ring (1) through a supporting rod, the corrugated pipe (2) is pushed into the blast hole, the corrugated pipe (2) extends gradually to enable the extending ring (1) to reach the bottom of the blast hole, and an inserting nail (5) extending into the ring (1) is inserted into a rock wall for fixing, so that the corrugated pipe (2) forms protection in the blast hole, and the blast hole is prevented from being blocked due to the cracking of the inner wall of the blast hole;
when needs carry out the powder charge, only need stretch into the sleeve with the explosive cartridge in, stretch into the in-process, mount (3) and running roller (7) and the explosive cartridge friction roll of spacing ring (4) inner circle, the packing of supplementary explosive cartridge removes, make fast with the complete big gun hole of packing into of explosive cartridge inside, then personnel are in from outside pulling spacing ring (4), and support the explosive cartridge, pull out the device is whole, accomplish the powder charge work, can compress bellows (2) simultaneously, so that retrieve reuse.
The auxiliary supporting plate (6) is designed to support the corrugated pipe (2) in an auxiliary manner, so that the structural strength of the corrugated pipe is enhanced, and the supporting and anti-cracking effect on the blast hole wall is improved;
an inclined inserting plate (9) is arranged on one side of the inserting ring (1), the inclined inserting plate (9) is an arc-shaped plate, the inner side of the inclined inserting plate is an inclined plane, and the inclined inserting plate (9) is gradually thinned to form a sharp shape so as to push broken stones and the like in a blast hole in the pushing process of the corrugated pipe (2);
the anti-skidding convex points are arranged on the surface of the auxiliary supporting plate (6), and are designed to be hemispherical, so that the friction force between the anti-skidding convex points and the corrugated pipe (2) can be further increased, the anti-skidding between the corrugated pipe (2) and the auxiliary supporting plate (6) is further realized, the supporting effect is better, and the overall strength is higher;
the tip of the inserted nail (5) is provided with a design of embedded teeth, and the embedded teeth can be embedded into a rock wall, so that the fixing stability is improved;
the outer diameter of the limiting ring (4) is larger than the diameter of the corrugated pipe (2), so that the limiting ring (4) can be buckled at a blast hole to form limiting when in use, and the corrugated pipe (2) can be pushed to extend into the limiting ring in the subsequent process;
the surface of the limiting ring (4) is arranged on the design of the protective pad, so that the limiting ring (4) can be protected, and the damage caused by collision and contact between the limiting ring and a rock wall is avoided;
the design that the width of the auxiliary supporting plate (6) is increased towards one end far away from the fixed frame (3) can increase the contact area with the corrugated pipe (2), so that the strength enhancement effect of the corrugated pipe (2) is improved, and the anti-fragmentation effect of the rock borehole wall at any time is improved;
the corrugated pipe (2) is matched with the fixing frame (3) and the auxiliary supporting plate (6) to form a multi-section foldable structure, and the fixing frame (3) and the auxiliary supporting plate (6) form further reinforced support, so that the overall strength is improved, and the protection effect is better;
the roller (7) is matched with the corrugated pipe (2), so that sliding friction can be converted into rolling friction when explosive sticks are filled, the friction force is further reduced, and the explosive sticks are assisted to be filled in quickly in a moving mode;
the design of filling explosive cartridges, and the friction rolling of the roller (7) and the explosive cartridges can convert the sliding friction of the explosive cartridges during filling into rolling friction, reduce the friction force and avoid the explosive cartridges from curling;
the explosive cartridge is propped against, and the whole device is drawn out of the blasthole by pulling the limiting ring (4), so that the explosive cartridge can be recovered for the next use;
the purpose that the foldable corrugated pipe (2) is plugged into the blasthole for protection, and sliding friction is changed into rolling friction through the roller (7) when explosive rolls are loaded to reduce friction force during loading is achieved.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (10)
1. The auxiliary anti-blocking explosive filling device for the blasthole is characterized in that a sleeve is formed by combining a plurality of sections of corrugated pipes, a fixing frame is arranged between two adjacent sections of corrugated pipes, two sides of the fixing frame are respectively and fixedly connected with the two adjacent sections of corrugated pipes, a plurality of auxiliary supporting plates are arranged at equal angles on one side of the fixing frame, a plurality of auxiliary supporting plates are arranged at equal angles on the other side of the fixing frame, the auxiliary supporting plates on two sides of the fixing frame are respectively supported on the inner walls of the two adjacent sections of corrugated pipes, a plurality of roll shafts are arranged at equal angles on the inner ring of the fixing frame, a limiting ring is fixedly arranged on one end of the sleeve, a plurality of auxiliary supporting plates are arranged at equal angles on one side of the limiting ring and are supported on the inner wall of one end of the sleeve, a plurality of roll shafts are arranged at equal angles on the inner ring of the limiting ring, two inserting pins are symmetrically arranged on, the tip of the inserted nail is provided with an embedded tooth, and the width of the auxiliary supporting plate is increased towards the position between the ends far away from the fixed frame.
2. The auxiliary anti-blocking explosive filling device for blastholes as claimed in claim 1, wherein the roller is engaged with the bellows to convert sliding friction into rolling friction when the explosive cartridge is filled, thereby reducing friction force and assisting the explosive cartridge to be filled quickly.
3. The auxiliary anti-blocking explosive filling device for the blasthole as claimed in claim 1, wherein the explosive cartridge is filled, and the roller and the explosive cartridge roll in a friction manner, so that sliding friction of the explosive cartridge during filling can be converted into rolling friction, friction force is reduced, and the explosive cartridge is prevented from being curled.
4. The auxiliary anti-blocking explosive filling device for the blasthole as claimed in claim 1, wherein an inclined insertion plate is arranged on one side of the insertion ring, the inclined insertion plate is an arc-shaped plate, and the inner side of the inclined insertion plate is an inclined plane.
5. The auxiliary anti-blocking explosive filling device for blastholes according to claim 1, wherein the anti-slip bumps are arranged on the surface of the auxiliary supporting plate, and the anti-slip bumps are hemispherical bumps, so that friction between the anti-slip bumps and the corrugated pipe can be further increased, and the anti-slip effect between the corrugated pipe and the auxiliary supporting plate can be further improved.
6. The auxiliary anti-blocking explosive filling device for the blasthole as claimed in claim 1, wherein a protective pad is disposed on the surface of the limiting ring.
7. The auxiliary anti-blocking explosive filling device for the blasthole as claimed in claim 6, wherein the outer diameter of the limiting ring is larger than the diameter of the corrugated pipe, so that the limiting ring can be buckled at the blasthole to form a limiting position when in use, so that the corrugated pipe can be pushed to extend into the hole in the subsequent process.
8. The auxiliary anti-blocking explosive filling device for blastholes as claimed in claim 1, wherein the bellows is matched with the fixing frame and the auxiliary supporting plate to form a multi-section foldable structure, and the fixing frame and the auxiliary supporting plate form a further reinforced support.
9. The auxiliary anti-blocking explosive filling device for the blasthole as claimed in claim 1, wherein the fixing frame is a circular plate.
10. The auxiliary anti-clogging explosive filling device for blastholes as claimed in claim 1, wherein the device is protected by inserting a foldable bellows into the blasthole, and sliding friction is changed into rolling friction by rollers to reduce friction force during filling when explosive cartridges are filled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094528.9A CN110887420B (en) | 2019-11-11 | 2019-11-11 | Supplementary stifled explosive device that fills up of porthole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911094528.9A CN110887420B (en) | 2019-11-11 | 2019-11-11 | Supplementary stifled explosive device that fills up of porthole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110887420A true CN110887420A (en) | 2020-03-17 |
| CN110887420B CN110887420B (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911094528.9A Active CN110887420B (en) | 2019-11-11 | 2019-11-11 | Supplementary stifled explosive device that fills up of porthole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110887420B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781457A (en) * | 2021-01-06 | 2021-05-11 | 中国华冶科工集团有限公司 | Medium-length hole pre-charging method |
| CN113027477A (en) * | 2021-04-01 | 2021-06-25 | 攀钢集团工程技术有限公司 | Construction method for quickly dredging blocked mine |
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| CN107631670A (en) * | 2017-10-13 | 2018-01-26 | 山东大学 | A kind of means for loading and its application method suitable for Underground Engineering Blasting |
| CN109489512A (en) * | 2018-12-26 | 2019-03-19 | 中国科学技术大学 | A kind of deformable folding portable quick-burning charge energy-gathering device |
-
2019
- 2019-11-11 CN CN201911094528.9A patent/CN110887420B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2803654A1 (en) * | 2000-01-07 | 2001-07-13 | Celtiplast | Shot hole plugging procedure uses plug made from elastomer tube with corrugated walls and blocked end |
| CN202117597U (en) * | 2011-07-05 | 2012-01-18 | 内蒙古康宁爆破有限责任公司 | Dust collecting device of down-the-hole drill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781457A (en) * | 2021-01-06 | 2021-05-11 | 中国华冶科工集团有限公司 | Medium-length hole pre-charging method |
| CN113027477A (en) * | 2021-04-01 | 2021-06-25 | 攀钢集团工程技术有限公司 | Construction method for quickly dredging blocked mine |
| CN113027477B (en) * | 2021-04-01 | 2022-07-29 | 攀钢集团工程技术有限公司 | Construction method for quickly dredging blocked mine |
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| Publication number | Publication date |
|---|---|
| CN110887420B (en) | 2022-06-07 |
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Effective date of registration: 20240419 Address after: Room 251, Building 5, Family Building of Ha San Section Hardware Company, Hongshan District, Chifeng City, Inner Mongolia Autonomous Region 024000 Patentee after: Liang Mingjun Country or region after: China Address before: 221000 F, Tongchuang block, National Science Park, Jiefang South Road, Quanshan District, Xuzhou City, Jiangsu Province Patentee before: Liu Meng Country or region before: China |
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Effective date of registration: 20240516 Address after: 010000 Room 1403, Building 3, Nailun International Mansion, Xinhua East Street, Xincheng District, Hohhot, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Chengtai Blasting Engineering Co.,Ltd. Country or region after: China Address before: Room 251, Building 5, Family Building of Ha San Section Hardware Company, Hongshan District, Chifeng City, Inner Mongolia Autonomous Region 024000 Patentee before: Liang Mingjun Country or region before: China |