CN107726934A - A kind of blasting engineering blasthole spaced loading device - Google Patents
A kind of blasting engineering blasthole spaced loading device Download PDFInfo
- Publication number
- CN107726934A CN107726934A CN201711079289.0A CN201711079289A CN107726934A CN 107726934 A CN107726934 A CN 107726934A CN 201711079289 A CN201711079289 A CN 201711079289A CN 107726934 A CN107726934 A CN 107726934A
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- Prior art keywords
- spring
- baffle
- medicine
- hole
- bolt
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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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- 238000005422 blasting Methods 0.000 title claims abstract description 20
- 239000003814 drug Substances 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000004888 barrier function Effects 0.000 claims description 35
- 238000005192 partition Methods 0.000 claims description 12
- 239000002689 soil Substances 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000002360 explosive Substances 0.000 abstract description 32
- 239000000843 powder Substances 0.000 abstract description 5
- 239000000839 emulsion Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 2
- 210000000481 breast Anatomy 0.000 abstract 1
- 230000009471 action Effects 0.000 description 8
- 239000011435 rock Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention belongs to blasting engineering field, specifically a kind of blasting engineering blasthole spaced loading device；Including medicine-chest, separating mechanism, overhead gage, lower baffle plate and back-moving spring；Medicine-chest is circular tube shaped, and it is internally provided with column type cavity；Overhead gage is provided with the top of medicine-chest；Back-moving spring is provided between medicine-chest and overhead gage；Medicine-chest bottom is provided with lower baffle plate；Separating mechanism includes operating shaft, overhead gage latch, fixture block, separation rope and latch separation rope；Upper support unit includes top blend stop, the first spring, second spring and breast boards；Lower support unit includes bottom blend stop, gear, flexible rack, spring, the first mounting hole, the second mounting hole and fixture block hole.The present invention is applied to the spaced loading of solid-state explosive, liquid explosive, powder medicine or emulsion, using explosive barrel powder charge, reduces influence of the moist bad border to explosive, and simple to operate, and placement position is accurate, and installation is firm, and installation effectiveness is high.
Description
Technical Field
The invention belongs to the field of blasting engineering, and particularly relates to a spaced loading device for blast holes in blasting engineering.
Background
Drilling blasting is a common technology for stone excavation and is widely applied to the fields of water conservancy and hydropower, mines, traffic and the like. The traditional continuous columnar charging has the defects of high unit consumption, overhigh initial detonation pressure and excessive rock crushing, so that the effective energy utilization rate of the explosive is low, large blocks and roots are easy to generate, and a plurality of problems such as blasting vibration damage are caused. The air interval charging technology can reduce the initial peak pressure of the explosive to rocks around the blast hole, so that the explosive pressure in the hole is more uniformly distributed along the axial direction of the blast hole, thereby reducing or avoiding the excessive crushing of the surrounding rocks near the blast hole, enlarging the range of a fracture area, improving the effective utilization rate of explosive blasting energy, reducing the blasting cost and controlling the blasting damage. The air spacer means is a spacer arranged between the air column and the explosive and between the air column and the stemming to bear the weight of the explosive and the stemming.
Some blast hole spaced charging schemes also appear in the prior art, for example, a chinese patent with application number 201610189263 discloses a blast hole spaced charging device for blasting engineering, which comprises an operating rod and a bracket; the outer surface of the operating rod is provided with scale marks arranged along the length direction of the operating rod, the bottom of the operating rod is fixedly and continuously provided with a first blade, the first blade is matched with a second blade hinged with the first blade, the cutting end of the first blade is in a hook shape, the operating end of the second blade is provided with a connecting rod or a pull rope, and the connecting rod or the pull rope passes through the operating rod and then extends out of the top of the operating rod; the bracket comprises a first partition plate and a second partition plate, the middle part of the first partition plate is hinged with the middle part of the second partition plate through a pivot, the upper end of the first partition plate is connected with the lower end of the second partition plate through a spring, the lower end of the first partition plate is connected with the upper end of the second partition plate through a connecting rope, and the spring is in a stretching state; the bracket can be hung on the cutting end of the first blade through the connecting rope. The scheme can only realize the spaced charging of the solid explosive, and needs multi-step operation, so that the steps are complicated and the installation is inconvenient.
In view of the above, the spaced charging device for the blast hole of the blasting engineering, provided by the invention, can realize spaced charging of solid explosive, liquid explosive, powder or emulsion explosive, and has the following specific beneficial effects: the blast hole spaced charging device for the blasting engineering is suitable for spaced charging of various explosives, such as powder explosives, granular explosives, emulsion explosives and the like, and charging is carried out by adopting the explosive barrel, so that the influence of a humid environment on the explosives is reduced, the long-term storage of the explosives is facilitated, and meanwhile, the explosives can be isolated from the external environment, so that the safety of the explosives is improved.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a blast hole spaced charging device for blasting engineering, which is mainly used for coal bed blasting of an open coal mine.
The invention relates to a blast hole spaced charging device for blasting engineering, which comprises a medicine box, a separating mechanism, an upper baffle, a lower baffle and a return spring, wherein the medicine box is arranged on the upper baffle; the medicine chest is tubular, and a columnar cavity is arranged in the medicine chest; an upper baffle is arranged at the top of the medicine chest; a return spring is arranged between the medicine box and the upper baffle; a lower baffle is arranged at the bottom of the medicine chest; wherein,
the separating mechanism comprises an operating shaft, an upper baffle bolt, a clamping block, a separating rope and a bolt separating rope; the operation shaft is arranged in a cylindrical cavity of the medicine box and provided with two steps, the steps at the lower end of the operation shaft are inserted into the lower baffle, and the operation shaft is connected with the lower baffle through a clamping block; the separation rope is connected with the clamping block; after the device is placed at a preset position, an operator pulls the separation rope to separate the clamping blocks, so that the separation of the operation shafts is realized; the middle step of the operating shaft presses the upper baffle plate on the medicine box, and when the operating shaft is lifted, the upper baffle plate is lifted upwards under the action of the return spring; the bolt separation rope is connected with the upper baffle bolt;
an upper supporting unit is arranged inside the upper baffle; the upper supporting unit comprises an upper barrier strip, a first spring, a second spring and a soil blocking plate; a through hole is formed in the periphery of the upper baffle, a baffle is arranged in the middle of the through hole, and a first spring and a second spring are arranged on two sides of the baffle; one end of the first spring is provided with an upper barrier strip; the upper barrier strip is provided with a bolt hole; the upper barrier strip is arranged in the upper baffle through an upper baffle bolt; one end of the second spring is provided with a soil retaining plate; the soil retaining plate is arranged in the upper baffle plate through an upper baffle plate bolt; pulling the bolt separating rope to pull out the bolt of the upper baffle plate, and inserting the upper baffle strip into the inner wall of the blast hole under the action of the first spring; the second spring pushes the soil retaining plate to seal the middle shaft hole of the upper retaining plate;
a lower supporting unit is arranged inside the lower baffle; the lower supporting unit comprises a lower blocking strip, a gear, a flexible rack, a spring, a first mounting hole, a second mounting hole and a fixture block hole; a first mounting hole and a second mounting hole are formed in the periphery of the lower baffle; a spring is arranged at one end of the first mounting hole; the spring is connected with the lower barrier strip; the lower baffle strip is provided with a tooth groove; the flexible rack is arranged in the second mounting hole; one end of the flexible rack is connected with an operating shaft; a gear is arranged between the lower barrier strip and the flexible rack; the lower barrier strip, the flexible rack and the gear are meshed with each other, the operating shaft drives the flexible rack to move, the flexible rack drives the gear to rotate, and meanwhile, the lower barrier strip is inserted into the inner wall of the blast hole under the action of the spring.
Preferably, the upper supporting units are at least three and are uniformly distributed, so that the installation stability of the device is improved.
Preferably, the lower supporting units are at least three and are uniformly distributed, so that the installation stability of the device is improved.
Preferably, upper portion blend stop and lower part blend stop are the toper, upper portion blend stop and lower part blend stop both sides are provided with the barb, upper portion blend stop and lower part blend stop one end are provided with sharp tooth, effectively prevent the device gliding, for the accuracy of device mounted position, provide the basis.
The medicine chest is made of fireproof plastic.
The invention has the following beneficial effects: the blast hole spaced charging device for the blasting engineering is suitable for spaced charging of various explosives, such as powder explosives, granular explosives, emulsion explosives and the like, and charging is carried out by adopting the explosive barrel, so that the influence of a humid environment on the explosives is reduced, the long-term storage of the explosives is facilitated, and meanwhile, the explosives can be isolated from the external environment, so that the safety of the explosives is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the separating mechanism of FIG. 1;
FIG. 3 is a schematic view of the structure of the lower bar of FIG. 1;
in the figure: the medicine box 1, the separating mechanism 2, the operating shaft 21, the upper barrier latch 22, the latch 23, the separating cord 24, the latch separating cord 25, the upper barrier 3, the upper barrier 311, the first spring 312, the second spring 313, the soil blocking plate 314, the lower barrier 4, the lower barrier 411, the gear 412, the flexible rack 413, the spring 414, the first mounting hole 415, the second mounting hole 416, and the return spring 5.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to fig. 3, the blast hole spaced charging device for blasting engineering comprises a medicine box 1, a separating mechanism 2, an upper baffle 3, a lower baffle 4 and a return spring 5; the medicine chest 1 is tubular, and a columnar cavity is arranged in the medicine chest 1; an upper baffle 3 is arranged at the top of the medicine chest 1; a return spring 5 is arranged between the medicine chest 1 and the upper baffle 3; a lower baffle 4 is arranged at the bottom of the medicine chest 1; wherein,
the separating mechanism 2 comprises an operating shaft 21, an upper baffle bolt 22, a clamping block 23, a separating rope 24 and a bolt separating rope 25; the operation shaft 21 is installed in a cylindrical cavity of the medicine box 1, the operation shaft 21 is provided with two steps, the step at the lower end of the operation shaft 21 is inserted into the lower baffle 4, and the operation shaft 21 and the lower baffle 4 are connected by a fixture block 23; the separation rope 24 is connected with the fixture block 23; when the device is placed at a preset position, an operator pulls the separation rope 24 to separate the fixture blocks 23, so that the separation of the operation shaft 21 is realized; the middle step of the operating shaft 21 presses the upper baffle 3 on the medicine chest 1, and when the operating shaft 21 is lifted, the upper baffle 3 is lifted upwards under the action of the return spring 5; the bolt separation rope 25 is connected with the upper baffle bolt 22;
an upper supporting unit 31 is arranged in the upper baffle 3; the upper supporting unit 31 includes an upper bar 311, a first spring 312, a second spring 313 and a soil guard 314; a through hole is formed in the periphery of the upper baffle 3, a partition plate is arranged in the middle of the through hole, and a first spring 312 and a second spring 313 are arranged on two sides of the partition plate; an upper barrier strip 311 is arranged at one end of the first spring 312; the upper barrier strip 311 is provided with a bolt hole; the upper barrier strip 311 is arranged in the upper baffle 3 through an upper baffle bolt 22; one end of the second spring 313 is provided with a soil retaining plate 314; the retaining plate 314 is arranged in the upper baffle 3 through the upper baffle bolt 22; the upper baffle bolt 22 is pulled out by pulling the bolt separation rope 25, and the upper barrier strip 311 is inserted into the inner wall of the blast hole under the action of the first spring 312; the second spring 313 pushes the soil retaining plate 314 to realize the closing of the middle shaft hole of the upper baffle 3;
a lower supporting unit 41 is arranged inside the lower baffle 4; the lower supporting unit 41 comprises a lower bar 411, a gear 412, a flexible rack 413, a spring 414, a first mounting hole 415, a second mounting hole 416 and a latch hole; a first mounting hole 415 and a second mounting hole 416 are formed in the periphery of the lower baffle 4; a spring 414 is arranged at one end of the first mounting hole 415; the spring 414 is connected with the lower barrier 411; the lower barrier strips 411 are provided with tooth grooves; the flexible rack 413 is mounted in the second mounting hole 416; one end of the flexible rack 413 is connected with the operating shaft 21; a gear 412 is arranged between the lower barrier strip 411 and the flexible rack 413; the lower barrier strip 411, the flexible rack 413 and the gear 412 are meshed with each other, the operating shaft 21 drives the flexible rack 413 to move, the flexible rack 413 drives the gear 412 to rotate, and meanwhile, under the action of the spring 414, the lower barrier strip 411 is inserted into the inner wall of the blast hole.
In one embodiment of the present invention, at least three upper supporting units 31 are provided and uniformly distributed, so as to improve the stability of the installation of the device.
In one embodiment of the present invention, at least three lower support units 41 are provided and uniformly distributed, so as to improve the installation stability of the device.
As an embodiment of the present invention, the upper barrier 311 and the lower barrier 411 are tapered, barbs are disposed on two sides of the upper barrier 311 and the lower barrier 411, and sharp teeth are disposed on one end of the upper barrier 311 and one end of the lower barrier 411, so as to effectively prevent the device from sliding down, and provide a foundation for the accuracy of the installation position of the device.
The medicine chest 1 is made of fireproof plastic.
When the device works, a user puts the device to a set depth, and an operator pulls the separation rope 24 to separate the clamping blocks 23, so that the separation of the operation shaft 21 is realized; at the moment, the operating shaft 21 drives the flexible rack 413 to move, the flexible rack 413 drives the gear 412 to rotate, and meanwhile, the lower barrier strip 411 is inserted into the inner wall of the blast hole under the action of the spring 414; when the operating shaft is lifted, the upper baffle 3 is lifted upwards under the action of the return spring 5 to isolate a required air column; then the bolt separation rope 25 is pulled to pull the upper baffle bolt 22, and the second spring 313 pushes the retaining plate 314 at the moment, so that the middle shaft hole of the upper baffle 3 is closed; the first spring 312 inserts the upper barrier strip 311 into the inner wall of the blast hole, so as to fix the upper baffle 3.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a blasting engineering big gun hole spaced charging device which characterized in that: comprises a medicine box (1), a separating mechanism (2), an upper baffle (3), a lower baffle (4) and a return spring (5); the medicine chest (1) is tubular, and a columnar cavity is arranged in the medicine chest; an upper baffle (3) is arranged at the top of the medicine box (1); a return spring (5) is arranged between the medicine box (1) and the upper baffle (3); a lower baffle (4) is arranged at the bottom of the medicine box (1); wherein,
the separating mechanism (2) comprises an operating shaft (21), an upper baffle bolt (22), a fixture block (23), a separating rope (24) and a bolt separating rope (25); the operation shaft (21) is installed in a cylindrical cavity of the medicine box (1), the operation shaft (21) is provided with two steps, the step at the lower end of the operation shaft (21) is inserted into the lower baffle (4), and the operation shaft (21) is connected with the lower baffle (4) through a clamping block (23); the separation rope (24) is connected with the fixture block (23); the middle step of the operating shaft (21) presses the upper baffle (3) on the medicine chest (1); the bolt separation rope (25) is connected with the upper baffle bolt (22);
an upper supporting unit (31) is arranged in the upper baffle (3); the upper supporting unit (31) comprises an upper barrier strip (311), a first spring (312), a second spring (313) and a soil guard plate (314); a through hole is formed in the periphery of the upper baffle (3), a partition plate is arranged in the middle of the through hole, and a first spring (312) and a second spring (313) are arranged on two sides of the partition plate; one end of the first spring (312) is provided with an upper blocking strip (311); the upper barrier strip (311) is provided with a bolt hole; the upper barrier strip (311) is arranged in the upper baffle (3) through an upper baffle bolt (22); one end of the second spring (313) is provided with a soil retaining plate (314); the soil retaining plate (314) is arranged in the upper baffle plate (3) through an upper baffle plate bolt (22);
a lower supporting unit (41) is arranged in the lower baffle (4); the lower supporting unit (41) comprises a lower blocking strip (411), a gear (412), a flexible rack (413), a spring (414), a first mounting hole (415), a second mounting hole (416) and a clamping block hole; a first mounting hole (415) and a second mounting hole (416) are formed in the periphery of the lower baffle (4); one end of the first mounting hole (415) is provided with a spring (414); the spring (414) is connected with the lower barrier strip (411); the lower baffle strip (411) is provided with a tooth groove; the flexible rack (413) is installed in the second installation hole (416); one end of the flexible rack (413) is connected with an operating shaft (21); a gear (412) is arranged between the lower barrier strip (411) and the flexible rack (413); the lower blocking strip (411), the flexible rack (413) and the gear (412) are meshed with each other.
2. A blast hole spaced charging device according to claim 1, characterized in that: the number of the upper supporting units (31) is at least three.
3. A blast hole spaced charging device according to claim 1, characterized in that: the lower support units (41) are provided in at least three numbers.
4. A blast hole spaced charging device according to claim 1, characterized in that: upper portion blend stop (311) and lower part blend stop (411) are the toper, upper portion blend stop (311) and lower part blend stop (411) both sides are provided with the barb, upper portion blend stop (311) and lower part blend stop (411) one end are provided with the sharp tooth.
5. A blast hole spaced charging device according to claim 1, characterized in that: the medicine chest (1) is made of fireproof plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079289.0A CN107726934B (en) | 2017-11-06 | 2017-11-06 | A kind of blasting engineering blasthole spaced loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079289.0A CN107726934B (en) | 2017-11-06 | 2017-11-06 | A kind of blasting engineering blasthole spaced loading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107726934A true CN107726934A (en) | 2018-02-23 |
| CN107726934B CN107726934B (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711079289.0A Active CN107726934B (en) | 2017-11-06 | 2017-11-06 | A kind of blasting engineering blasthole spaced loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107726934B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595194A (en) * | 2020-12-29 | 2021-04-02 | 辽宁科技大学 | Lifting type disc air spacer and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2295700C2 (en) * | 2005-03-22 | 2007-03-20 | Государственное образовательное учреждение высшего профессионального образования "Тихоокеанский государственный университет" (ГОУ ВПО "ТОГУ") | Device for localization of components of blast hole net |
| US20120325103A1 (en) * | 2011-06-22 | 2012-12-27 | Industry Foundation Of Chonnam National University | Coupling device for explosives |
| CN205897978U (en) * | 2016-06-23 | 2017-01-18 | 浙江科技学院 | A but, reducing spacer that be used for rock mass deep hole gather can joint -cutting blasting |
| CN107024157A (en) * | 2017-05-22 | 2017-08-08 | 贵州大学 | A kind of blast charging structure and application method |
| CN107101542A (en) * | 2017-07-04 | 2017-08-29 | 贵州大学 | A kind of quick-burning charge device and loading method for hole firing |
-
2017
- 2017-11-06 CN CN201711079289.0A patent/CN107726934B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2295700C2 (en) * | 2005-03-22 | 2007-03-20 | Государственное образовательное учреждение высшего профессионального образования "Тихоокеанский государственный университет" (ГОУ ВПО "ТОГУ") | Device for localization of components of blast hole net |
| US20120325103A1 (en) * | 2011-06-22 | 2012-12-27 | Industry Foundation Of Chonnam National University | Coupling device for explosives |
| CN205897978U (en) * | 2016-06-23 | 2017-01-18 | 浙江科技学院 | A but, reducing spacer that be used for rock mass deep hole gather can joint -cutting blasting |
| CN107024157A (en) * | 2017-05-22 | 2017-08-08 | 贵州大学 | A kind of blast charging structure and application method |
| CN107101542A (en) * | 2017-07-04 | 2017-08-29 | 贵州大学 | A kind of quick-burning charge device and loading method for hole firing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595194A (en) * | 2020-12-29 | 2021-04-02 | 辽宁科技大学 | Lifting type disc air spacer and using method thereof |
| CN112595194B (en) * | 2020-12-29 | 2024-02-09 | 辽宁科技大学 | Lifting type disc air spacer and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107726934B (en) | 2019-07-26 |
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Effective date of registration: 20190701 Address after: 100089 Luding 11, Haidian District College, Beijing Applicant after: Beijing Zhongda Blasting Engineering Co., Ltd. Address before: 234000 No. 8 Jinhai Avenue, Suzhou Development Zone, Anhui Province Applicant before: Acer cloud construction and installation Co., Ltd. Suzhou |
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