CN107941096B - Explosive tube convenient for charging for coal mine blasting - Google Patents
Explosive tube convenient for charging for coal mine blasting Download PDFInfo
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- CN107941096B CN107941096B CN201711304923.6A CN201711304923A CN107941096B CN 107941096 B CN107941096 B CN 107941096B CN 201711304923 A CN201711304923 A CN 201711304923A CN 107941096 B CN107941096 B CN 107941096B
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- cavity
- pipe body
- explosive
- powder
- groove
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Building Environments (AREA)
Abstract
The invention discloses an explosive tube convenient to charge for coal mine blasting, which comprises an upper tube body, an explosive cavity and a lower tube body, wherein a clamping block is arranged at the upper end of the upper tube body, a fuse is arranged at the inner side of a conduit, the explosive cavity is positioned below the conduit, the upper filling cavity is positioned at the inner side of the upper tube body, the lower tube body is positioned below the upper tube body, a groove is arranged above the lower tube body, a lower filling cavity is arranged below the groove, and the lower tube body is connected with a lower tube cover through the clamping block and the clamping groove. This explosive tube of convenient charge for colliery blasting, the powder can directly adorn at the powder cavity, and the powder cavity is located the intermediate position of this explosive tube of convenient charge for colliery blasting all the time, and convenient charge has kept the blasting performance of powder, has improved the blasting effect of powder to the packing density of powder has been guaranteed to the extrusion piece of powder cavity below, has avoided the blasting that leads to because of the powder packing density is low not thoroughly.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to an explosive tube convenient to charge for coal mine blasting.
Background
Along with the rapid development of the coal industry, more and more coal mines are mined, the coal mines are mostly distributed below the ground surface, the ground surface rock stratum or mountain is required to be blasted, and the coal mine blasting mostly adopts powder blasting, so that an explosive tube convenient for loading powder is required.
At present, the explosive tube in the market is simple in form and mostly of a single sealing tubular structure, and when the explosive is charged, the central position of the explosive tube cannot be maintained, so that the blasting effect of the explosive cannot be ensured, and the single-layer explosive tube is not ideal in explosive blasting condition. Aiming at the problems, the novel design is carried out on the basis of the original explosive tube.
Disclosure of Invention
The invention aims to provide an explosive tube convenient to charge for coal mine blasting, which aims to solve the problems that the existing explosive tube in the market is simple in form and mostly has a single sealing tubular structure, and when the explosive tube is charged, the central position of the explosive tube cannot be maintained by gunpowder, so that the blasting effect of the explosive cannot be ensured, and the single-layer explosive tube causes the condition of gunpowder blasting to be non-ideal.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a colliery blasting is with explosive tube of convenient loading, includes body, gunpowder cavity and lower body, the upper end of going up the body is provided with the fixture block, and goes up the body and pass through fixture block and draw-in groove and go up tube cap interconnect to the intermediate position of going up the tube cap is connected with the conduit, the inboard of conduit is provided with the fuse, and fills between fuse and the conduit has the sponge, the gunpowder cavity is located the below of conduit, and the outside of gunpowder cavity is the cavity of filling, it is located the inboard of going up the body to go up the cavity of filling, and the below of going up the body is provided with the ring channel, the lower body is located the below of going up the body, and the lower body is through the go-between of upper end and the ring channel interconnect of last body below, the top of lower body is provided with the recess, and the inboard of recess is installed the extrusion piece, the below of recess is provided with down the cavity of filling, the lower body passes through fixture block and draw-in groove and lower tube cap interconnect.
Preferably, the upper pipe body and the lower pipe body are hollow cylinder structures, and the upper pipe body and the lower pipe body are respectively connected with the upper pipe cover and the lower pipe cover in a mutually anastomotic manner.
Preferably, the clamping blocks and the clamping grooves are identical in size and are in threaded connection.
Preferably, the length of the conduit is greater than the distance between the upper cap and the top of the powder chamber, and the length of the conduit is less than the length of the fuse.
Preferably, the diameter of the powder cavity is smaller than the diameter of the upper pipe body, and the height of the powder cavity is smaller than the height of the upper pipe body.
Preferably, the depth of the annular groove is not more than the height of the powder cavity, and the annular groove and the connecting ring are connected in an anastomotic manner.
Preferably, the grooves are connected with the gunpowder cavity in an anastomotic way, the diameter of the grooves is larger than that of the extrusion blocks on the grooves, and the height of the extrusion blocks is larger than the depth of the grooves.
Compared with the prior art, the invention has the beneficial effects that: the explosive tube convenient for loading is used for the coal mine blasting,
1. the powder can be directly arranged in the powder cavity, the powder cavity is always positioned in the middle of the explosive tube which is used for blasting in the coal mine and is convenient to charge, the blasting performance of the powder is maintained, the blasting effect of the powder is improved, the filling density of the powder is ensured by the extrusion block below the powder cavity, and the incomplete blasting caused by low filling density of the powder is avoided;
2. the upper pipe body and the lower pipe body can be filled with the filler through the upper filling cavity and the lower filling cavity respectively, so that the blasting power of the explosive pipe convenient for loading for coal mine blasting is improved, the characteristics of gunpowder blasting are fully utilized, and the mining effect of the coal mine is improved;
3. the inside of conduit is provided with the fuse, and fills between fuse and the conduit has the sponge, can prevent that the gunpowder from flowing out through the conduit, has also ensured the desiccation of fuse, has avoided the problem of the blasting failure that the fuse wets and leads to.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the upper tube structure of the present invention;
fig. 4 is an enlarged schematic view of the structure of the present invention at a.
In the figure: 1. the pipe comprises an upper pipe body, 2, a clamping block, 3, a clamping groove, 4, an upper pipe cover, 5, a conduit, 6, a fuse, 7, a sponge, 8, a gunpowder cavity, 9, an upper filling cavity, 10, an annular groove, 11, a connecting ring, 12, a lower pipe body, 13, a groove, 14, a squeezing block, 15, a lower filling cavity, 16 and a lower pipe cover.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a convenient explosive tube that charges for colliery blasting, including last body 1, explosive cavity 8 and lower body 12, the upper end of going up body 1 is provided with fixture block 2, and go up body 1 and last tube cap 4 interconnect through fixture block 2 and draw-in groove 3, and the intermediate position of going up tube cap 4 is connected with conduit 5, go up body 1 and lower body 12 are hollow cylinder structure, and go up body 1 and lower body 12 respectively with go up tube cap 4 and lower tube cap 16 coincide each other and connect, make things convenient for last filling cavity 9 and lower filling cavity 15 to carry out the packing of packing, fixture block 2 and draw-in groove 3 shape same size are equal, and fixture block 2 and draw-in groove 3 threaded connection, it is convenient to close last body 1 and lower tube body 12, the inboard of conduit 5 is provided with fire wire 6, and fill between fire wire 6 and the conduit 5 has sponge 7, the length of conduit 5 is greater than the distance between upper tube cap 4 to the top of explosive cavity 8, the length of the conduit 5 is smaller than that of the fuse 6, the fuse 6 is in full contact with powder in the powder cavity 8, the powder cavity 8 is positioned below the conduit 5, the outer side of the powder cavity 8 is provided with an upper filling cavity 9, the diameter of the powder cavity 8 is smaller than that of the upper pipe body 1, the height of the powder cavity 8 is smaller than that of the upper pipe body 1, the upper filling cavity 9 is favorable for containing filling materials in a sufficient space, the upper filling cavity 9 is positioned at the inner side of the upper pipe body 1, an annular groove 10 is arranged below the upper pipe body 1, the depth of the annular groove 10 is not more than that of the powder cavity 8, the annular groove 10 is connected with a connecting ring 11 in an anastomotic manner, the upper pipe body 1 and a lower pipe body 12 are convenient to be connected with each other, the powder cavity 8 is favorable for sealing, the lower pipe body 12 is positioned below the upper pipe body 1, and the lower pipe body 12 is connected with the annular groove 10 below the upper pipe body 1 through the connecting ring 11 at the upper end, the groove 13 is arranged above the lower pipe body 12, the extrusion block 14 is arranged on the inner side of the groove 13, the groove 13 is connected with the powder cavity 8 in an anastomotic manner, the diameter of the groove 13 is larger than that of the extrusion block 14 on the groove 13, the height of the extrusion block 14 is larger than that of the groove 13, the extrusion block 14 is favorable for extruding powder in the powder cavity 8, the filling density of the powder is guaranteed, the lower filling cavity 15 is arranged below the groove 13, and the lower pipe body 12 is connected with the lower pipe cover 16 through the clamping block 2 and the clamping groove 3.
Working principle: firstly, fill cavity 9 and lower filling cavity 15 respectively to the inside of last body 1 and lower body 12 and carry out the packing of filler, be favorable to improving the blasting effect of this explosive tube of convenient charge for colliery blasting, then with last tube cover 4 and lower tube cover 16 respectively with go up body 1 and lower body 12 interconnect through fixture block 2 and draw-in groove 3, the closure of last filling cavity 9 and lower filling cavity 15 has been ensured, then with the direct packing of powder to in the explosive cavity 8, then go up body 1 and lower body 12 and coincide through ring channel 10 and go up ring 11 and be connected, the explosive cavity 8 has been sealed like this, the top of lower body 12 is provided with recess 13, can leave the air and guarantee the explosive burning, be provided with extrusion piece 14 on the recess 13, can extrude the inside powder of explosive cavity 8, the density of having ensured the explosive filling, the top of explosive cavity 8 is provided with conduit 5, and the inside of conduit 5 is provided with 7 and guide wire 6, can prevent that the powder from directly filling to the explosive cavity 8 from going up to the inside of explosive cavity 8, the explosive cavity 6 can be kept the dry through the guide wire cavity 6 like this, the explosive cavity 6 is fired by the explosive cavity 6, the firing of the explosive cavity is convenient for the firing the explosive cavity 6, the firing of the firing wire, the explosive cavity is convenient for the firing the explosive cavity 6.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an explosive tube of convenient loading for colliery blasting, includes body (1), gunpowder cavity (8) and lower body (12), its characterized in that: the upper end of the upper pipe body (1) is provided with a clamping block (2), the upper pipe body (1) is connected with an upper pipe cover (4) through the clamping block (2) and a clamping groove (3), a conduit (5) is connected to the middle position of the upper pipe cover (4), a fuse (6) is arranged on the inner side of the conduit (5), a sponge (7) is filled between the fuse (6) and the conduit (5), the gunpowder cavity (8) is located below the conduit (5), the outer side of the gunpowder cavity (8) is provided with an upper filling cavity (9), the upper filling cavity (9) is located inside the upper pipe body (1), an annular groove (10) is arranged below the upper pipe body (1), a lower pipe body (12) is located below the upper pipe body (1), the lower pipe body (12) is connected with the annular groove (10) below the upper pipe body (1) through a connecting ring (11) at the upper end, the upper pipe body (12) is provided with a clamping groove (13), and the lower pipe body (13) is arranged below the lower pipe body (12) through the clamping groove (13), and the lower pipe body (13) is provided with a clamping groove (13) is arranged on the lower pipe body (13);
the upper pipe body (1) and the lower pipe body (12) are of hollow cylinder structures, and the upper pipe body (1) and the lower pipe body (12) are respectively connected with the upper pipe cover (4) and the lower pipe cover (16) in an anastomotic manner;
the clamping blocks (2) and the clamping grooves (3) are identical in shape and size, and the clamping blocks (2) are in threaded connection with the clamping grooves (3).
2. An explosive tube for facilitating the loading of coal mine blasting according to claim 1, wherein: the length of the conduit (5) is larger than the distance between the upper pipe cover (4) and the top of the gunpowder cavity (8), and the length of the conduit (5) is smaller than the length of the fuse (6).
3. An explosive tube for facilitating the loading of coal mine blasting according to claim 1, wherein: the diameter of the gunpowder cavity (8) is smaller than that of the upper pipe body (1), and the height of the gunpowder cavity (8) is smaller than that of the upper pipe body (1).
4. An explosive tube for facilitating the loading of coal mine blasting according to claim 1, wherein: the depth of the annular groove (10) is not more than the height of the powder cavity (8), and the annular groove (10) is connected with the connecting ring (11) in a matching way.
5. An explosive tube for facilitating the loading of coal mine blasting according to claim 1, wherein: the grooves (13) are connected with the gunpowder cavity (8) in a matching way, the diameter of each groove (13) is larger than that of each extrusion block (14) on each groove (13), and the height of each extrusion block (14) is larger than the depth of each groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304923.6A CN107941096B (en) | 2017-12-10 | 2017-12-10 | Explosive tube convenient for charging for coal mine blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304923.6A CN107941096B (en) | 2017-12-10 | 2017-12-10 | Explosive tube convenient for charging for coal mine blasting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107941096A CN107941096A (en) | 2018-04-20 |
| CN107941096B true CN107941096B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711304923.6A Active CN107941096B (en) | 2017-12-10 | 2017-12-10 | Explosive tube convenient for charging for coal mine blasting |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB884041A (en) * | 1957-09-27 | 1961-12-06 | John Allan Phillips | Improvements in and relating to detonators for explosives |
| GB1286346A (en) * | 1970-05-26 | 1972-08-23 | Ici Ltd | Blasting cartridge |
| CN101978238A (en) * | 2008-03-26 | 2011-02-16 | 简-阿克·本特森 | Explosive cartridge filled with gunpowder |
| CN202560153U (en) * | 2012-04-25 | 2012-11-28 | 湖南金能科技股份有限公司 | Bullet-shaped explosion device for solving brine seepage for salt well |
| CN104897011A (en) * | 2015-05-22 | 2015-09-09 | 安徽理工大学 | Non-primary hole-by-hole blasting surface detonator and mounting and using method thereof |
| CN206146305U (en) * | 2016-10-13 | 2017-05-03 | 安徽理工大学 | Directional blasting device |
| CN207622614U (en) * | 2017-12-10 | 2018-07-17 | 贵州大学 | A kind of colliery blasting charge tube for facilitating powder charge |
-
2017
- 2017-12-10 CN CN201711304923.6A patent/CN107941096B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB884041A (en) * | 1957-09-27 | 1961-12-06 | John Allan Phillips | Improvements in and relating to detonators for explosives |
| GB1286346A (en) * | 1970-05-26 | 1972-08-23 | Ici Ltd | Blasting cartridge |
| CN101978238A (en) * | 2008-03-26 | 2011-02-16 | 简-阿克·本特森 | Explosive cartridge filled with gunpowder |
| CN202560153U (en) * | 2012-04-25 | 2012-11-28 | 湖南金能科技股份有限公司 | Bullet-shaped explosion device for solving brine seepage for salt well |
| CN104897011A (en) * | 2015-05-22 | 2015-09-09 | 安徽理工大学 | Non-primary hole-by-hole blasting surface detonator and mounting and using method thereof |
| CN206146305U (en) * | 2016-10-13 | 2017-05-03 | 安徽理工大学 | Directional blasting device |
| CN207622614U (en) * | 2017-12-10 | 2018-07-17 | 贵州大学 | A kind of colliery blasting charge tube for facilitating powder charge |
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| Publication number | Publication date |
|---|---|
| CN107941096A (en) | 2018-04-20 |
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