CN112880505A - Mine blasting structure and installation method - Google Patents
Mine blasting structure and installation method Download PDFInfo
- Publication number
- CN112880505A CN112880505A CN202110114033.9A CN202110114033A CN112880505A CN 112880505 A CN112880505 A CN 112880505A CN 202110114033 A CN202110114033 A CN 202110114033A CN 112880505 A CN112880505 A CN 112880505A
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- CN
- China
- Prior art keywords
- explosive
- protective cover
- bag
- water bag
- water
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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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- 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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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The application relates to the field of mine blasting, in particular to a mine blasting structure and an installation method. After the explosive bag is completely wrapped by the water bag, the periphery of the explosive bag can be completely wrapped by the water bag along with the mutual overlapping of the water bag, and in the blasting process, the water in the water bag can fully release the blasting impact force of the explosion, so that the blasting power is fully improved.
Description
Technical Field
The application relates to the field of mine blasting, in particular to a mine blasting structure and an installation method.
Background
At present, mining of mine resources and mining of stone resources mostly depend on blasting engineering, and a mountain is crushed by means of a blasting structure, so that the aim of mining is fulfilled.
In blasting engineering, hydraulic blasting is a common blasting structure, and the hydraulic blasting is more and more widely applied at present because of explosive quantity saving, small influence on environment, low noise and good controllability. The existing hydraulic blasting structure can refer to the invention with the publication number of CN109084646B, and comprises a gun barrel, a water bag, an explosive package and stemming, wherein the water bag, the explosive package and the stemming are all arranged in the gun barrel, the water bag is arranged at both ends of the explosive package, and the stemming is used for sealing the end part of the gun barrel to play a role of sealing. After the explosive cartridge explodes, the water in the water bag is utilized to conduct the explosive force of the explosion, and the water in the water bag is liquid and is difficult to further compress, so that the explosive force can conduct rocks more fully, the explosion effect is improved, and the noise and the smoke dust can be effectively controlled.
The defects of the prior art are that the water bags are arranged at two ends of the explosive bag, and the explosive bag is not filled with the water bags along the radial direction of the gun barrel in the blasting process, so that the transmission of the radial blasting force of the gun barrel can be partially lost because a gap medium between the explosive bag and the gun barrel is compressed in the blasting process.
Disclosure of Invention
In order to further improve the blasting power of the blasting structure, the application aims to provide the mine blasting structure and the installation method.
First aspect, the application provides a mine blasting structure adopts following technical scheme:
a mine blasting structure comprises a gun barrel, wherein a water bag, an explosive package and stemming are filled in the gun barrel, the stemming is plugged at two ends of the gun barrel, and the explosive is coated in the water bag.
Through adopting above-mentioned technical scheme, after wrapping up the explosive package with the water bag completely, along with the stack of each other of water bag, can all be wrapped up by the water bag around the explosive package, at the in-process of blasting, the hydroenergy in the water bag can be fully released the impact force of explosion, fully promotes the blasting power.
Preferably, a protective cover is arranged in the gun barrel, the explosive bag and the water bag are positioned in the protective cover, the water bag is made of elastic rubber materials, and the water bag is communicated with a one-way valve which can only feed water.
By adopting the technical scheme, water is continuously filled into the one-way valve, the water bag can continuously deform and expand until the space in the protective cover is completely filled, and finally the explosive package is wrapped in the protective cover.
Preferably, one side of the protective cover can be turned over and opened.
Through adopting above-mentioned technical scheme, be convenient for place the explosive package in the safety cover.
Preferably, the top end of the protective cover is provided with a jack for inserting an explosive package, the explosive package is cuboid, and the width of the jack is smaller than the length of the explosive package.
Through adopting above-mentioned technical scheme, the explosive package can follow the jack interpolation, later rotates the explosive package, makes the explosive package be difficult to extract from the jack to the water bag of being convenient for can not extrude the explosive package at the in-process that fills water, can be wrapped up in the water bag with the assurance explosive package.
Preferably, the protective cover is internally and fixedly provided with a baffle plate, the baffle plate is fixed at the top of the protective cover and positioned on two sides of the jack, and the distance between the baffle plates on two sides of the jack is smaller than the length of the explosive package.
Through adopting above-mentioned technical scheme, there is the clearance between baffle and the safety cover, and at the in-process that the water bag was filled with water, the water bag can expand to between baffle and the safety cover to also fill up the space above the explosive package and be full of, wrap up in the water bag completely with the assurance explosive package, promote blasting power.
Preferably, the protective cover is a plastic film which is hollow and closed in the inner part.
Through adopting above-mentioned technical scheme, the safety cover is putting into the process of gun barrel, and the safety cover can carry out slight deformation to guarantee that the laminating of safety cover and gun barrel inside wall is inseparabler.
Preferably, the protective cover is filled with a liquid.
Through adopting above-mentioned technical scheme, at the explosive charge blasting in-process, the liquid in the safety cover is because being difficult to further compress again to can go out the conduction as much as possible of the power of blasting, and then promote the power of blasting.
In a second aspect, the application provides an installation method of a mine blasting structure, which adopts the following technical scheme:
a method of installing the mine blasting structure of claim 6, comprising the steps of:
s1, filling the protective cover to make the protective cover expand;
s2, inserting the explosive bags into the lower part of the baffle plate from the insertion holes, and rotating the explosive bags to enable the top of the explosive bags to be abutted against the lower end of the baffle plate;
s3, filling water into the water bag from the one-way valve until the water bag expands gradually to wrap the explosive bag inside;
s4, sequentially putting protective covers with explosive bags and water bags into the gun barrel, and then plugging two ends of the gun barrel with stemming;
and S5, inserting the gun barrel into the gun hole.
By adopting the technical scheme, in the blasting structure after installation, the explosive bag can be completely wrapped by the water bag, so that the blasting power of the blasting structure in all directions is improved.
In summary, the present application has the following technical effects:
1. the explosive bag is wrapped in the water bag in the horizontal direction, so that the blasting power of the cover of the blasting structure in each direction is improved;
2. through set up the baffle in the safety cover to can guarantee that the explosive package homoenergetic in every safety cover can be wrapped up by the water bag completely.
Drawings
FIG. 1 is a schematic cross-sectional view of a mine blasting configuration;
FIG. 2 is a sectional view showing the structure after the installation of the protective case, the explosive cartridge and the water bag.
Description of reference numerals: 1. a gun barrel; 2. a water bag; 21. a one-way valve; 3. an explosive package; 4. stemming; 5. a protective cover; 51. a jack; 52. and a baffle plate.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
As shown in fig. 1, the present embodiment describes a mine blasting structure, which includes a gun barrel 1, a water bag 2, an explosive package 3, a stemming 4, and a protective cover 5, where the gun barrel 1 is a straight pipe, the stemming 4 plugs both ends of the gun barrel 1, the explosive package 3 is wrapped in the water bag 2, the water bag 2 is disposed in the protective cover 5, and the protective cover 5 is provided in plurality and is filled in the gun barrel 1. In the blasting structure of the embodiment, in the blasting process of the explosive package 3, the blasting force of the explosion is completely transmitted into the water bag 2, and then transmitted into the gun barrel 1 and the rock formation through the water bag 2, so as to achieve the blasting effect. In the blasting structure in the embodiment, the impact force of the explosion is not easily absorbed by the buffer of the conducting medium in the conducting process, and the blasting power is greatly enhanced.
As shown in fig. 2, the water bag 2 is made of elastic rubber material, and the bottom of the water bag 2 is communicated with a one-way valve 21 which can only feed water, and the one-way valve 21 can extend out of the protective cover 5. After the water bag 2 is continuously filled with water from the check valve 21, the water bag 2 is continuously expanded to fill the space inside the protection cover 5, thereby gradually packing the explosive cartridge 3 inside the water bag 2.
In order to facilitate the explosive cartridge 3 and the water bag 2 to be placed in the protective cover 5, one side of the protective cover 5 may be configured to be opened in a flip manner, as shown in fig. 2, or a hole 51 may be formed in the top of the protective cover 5, and the embodiment is described in detail with the structure of the protective cover 5 in which the hole 51 is formed.
As shown in fig. 2, a baffle 52 is provided in the protective cover 5, the baffle 52 is integrally connected to the top of the inner side of the protective cover 5 and located on both sides of the receptacle 51, the width of the receptacle 51 is smaller than the length of the explosive package 3, the distance between the baffles 52 on both sides of the receptacle 51 is smaller than the length of the explosive package 3, the baffle 52 is preferably located in the middle of the receptacle 51, and the length of the baffle 52 is short to prevent the baffle 52 from obstructing the expansion of the water bag 2 as much as possible. In the process of placing the explosive cartridge 3, the explosive cartridge 3 is inserted into the insertion hole 51, then the explosive cartridge 3 is rotated to make the explosive cartridge 3 abut against the baffle plates 52 on both sides of the insertion hole 51, finally the water bag 2 is filled with water, and the water bag 2 can fill the gap between the top of the protective cover 5 and the explosive cartridge 3 with the continuous expansion of the water bag 2, so that more parts of the explosive cartridge 3 are wrapped in the water bag 2 as much as possible.
The protective cover 5 is preferably a plastic film with a hollow and closed interior, and the filling in the protective cover 5 is preferably a liquid, typically water. The protective cover 5 can be folded when not in use, so that space is saved, and when in use, the protective cover 5 is filled with liquid. And because the protective cover 5 is made of plastic film, the protective cover 5 can deform to some extent in the process of filling into the gun barrel 1, so that the protective cover 5 is ensured to be attached to the inner side wall of the gun barrel 1 as much as possible, the air content in the gun barrel 1 is reduced as much as possible, and the blasting power is improved.
The embodiment also provides an installation method of the mine blasting structure, which comprises the following steps:
s1, filling the protective cover 5 to make the protective cover 5 expand and swell;
s2, inserting the explosive package 3 into the lower part of the baffle plate 52 from the insertion hole 51, and rotating the explosive package 3 to enable the top of the explosive package 3 to be abutted against the lower end of the baffle plate 52;
s3, filling water into the water bag 2 from the one-way valve 21 until the water bag 2 is gradually expanded to wrap the explosive package 3 inside;
s4, sequentially putting a protective cover 5 with an explosive bag 3 and a water bag 2 into the gun barrel 1, and then sealing the two ends of the gun barrel 1 by using stemming 4;
s5, inserting the gun barrel 1 into the gun hole.
By adopting the installation method, in the installed blasting structure, the explosive bag 3 can be completely wrapped by the water bag 2, so that the blasting power of the blasting structure in all directions is improved.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A mine blasting structure comprises a gun barrel (1), wherein a water bag (2), an explosive package (3) and stemming (4) are filled in the gun barrel (1), and the stemming (4) is blocked at two ends of the gun barrel (1), and is characterized in that the explosive package (3) is wrapped by the water bag (2).
2. A mine blasting structure according to claim 1, wherein a protective cover (5) is arranged in the gun tube (1), the explosive cartridge (3) and the water bag (2) are arranged in the protective cover (5), the water bag (2) is made of elastic rubber material, and a one-way valve (21) which can only feed water is communicated with the water bag (2).
3. A mine blasting structure according to claim 2, wherein the protective cover (5) is reversible open on one side.
4. The mine blasting structure according to claim 2, wherein the top end of the protective cover (5) is provided with a hole (51) for inserting the explosive package (3), the explosive package (3) is rectangular, and the width of the hole (51) is smaller than the length of the explosive package (3).
5. A mine blasting structure according to claim 4, wherein a baffle (52) is fixedly arranged in the protective cover (5), the baffle (52) is fixed on the top of the protective cover (5) and is positioned at two sides of the insertion hole (51), and the distance between the baffles (52) at two sides of the insertion hole (51) is smaller than the length of the explosive bag (3).
6. A mine blasting structure according to any one of claims 2 to 5, wherein the protective cover (5) is a plastic film which is hollow and closed in its interior.
7. A mine blasting structure according to claim 6, wherein the protective cover (5) is filled with a liquid.
8. A method of installing the mine blasting structure of claim 6, comprising the steps of:
s1, filling the protective cover (5) to expand and bulge the protective cover (5);
s2, inserting the explosive bag (3) into the lower part of the baffle plate (52) from the jack (51), and rotating the explosive bag (3) to enable the top of the explosive bag (3) to be abutted against the lower end of the baffle plate (52);
s3, filling water into the water bag (2) from the one-way valve (21) until the water bag (2) is gradually expanded to wrap the explosive bag (3);
s4, sequentially putting a protective cover (5) with an explosive bag (3) and a water bag (2) into the gun barrel (1), and then plugging two ends of the gun barrel (1) by using stemming (4);
s5, inserting the gun barrel (1) into the gun hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114033.9A CN112880505A (en) | 2021-01-27 | 2021-01-27 | Mine blasting structure and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110114033.9A CN112880505A (en) | 2021-01-27 | 2021-01-27 | Mine blasting structure and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112880505A true CN112880505A (en) | 2021-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110114033.9A Withdrawn CN112880505A (en) | 2021-01-27 | 2021-01-27 | Mine blasting structure and installation method |
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| Country | Link |
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| CN (1) | CN112880505A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200123U (en) * | 1986-01-18 | 1987-05-13 | 李起山 | Explosive with water-filled stemming beg and the method to separate the bag |
| CN102829677A (en) * | 2012-06-15 | 2012-12-19 | 王树海 | Water medium explosion technology |
| CN205748141U (en) * | 2016-06-21 | 2016-11-30 | 中国水利水电第五工程局有限公司 | A kind of Tunnel Blasting charge constitution |
| CN106197178A (en) * | 2016-08-24 | 2016-12-07 | 三峡大学 | A kind of novel deep hole water pressure blasting demolition set and blasting method |
| CN106679520A (en) * | 2017-02-14 | 2017-05-17 | 贵州大学 | Novel deep-hole water-pressure blasting device |
| CN108981513A (en) * | 2018-07-23 | 2018-12-11 | 武汉科技大学 | A kind of hydraulic pressure demolition device quickly loaded |
| CN208282687U (en) * | 2018-06-06 | 2018-12-25 | 西安建筑科技大学 | A kind of hydraulic pressure demolition radial direction Uncoincided charge water bag |
-
2021
- 2021-01-27 CN CN202110114033.9A patent/CN112880505A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200123U (en) * | 1986-01-18 | 1987-05-13 | 李起山 | Explosive with water-filled stemming beg and the method to separate the bag |
| CN102829677A (en) * | 2012-06-15 | 2012-12-19 | 王树海 | Water medium explosion technology |
| CN205748141U (en) * | 2016-06-21 | 2016-11-30 | 中国水利水电第五工程局有限公司 | A kind of Tunnel Blasting charge constitution |
| CN106197178A (en) * | 2016-08-24 | 2016-12-07 | 三峡大学 | A kind of novel deep hole water pressure blasting demolition set and blasting method |
| CN106679520A (en) * | 2017-02-14 | 2017-05-17 | 贵州大学 | Novel deep-hole water-pressure blasting device |
| CN208282687U (en) * | 2018-06-06 | 2018-12-25 | 西安建筑科技大学 | A kind of hydraulic pressure demolition radial direction Uncoincided charge water bag |
| CN108981513A (en) * | 2018-07-23 | 2018-12-11 | 武汉科技大学 | A kind of hydraulic pressure demolition device quickly loaded |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20210601 |