CN106907960B - A kind of single side notched blasting powder column shell - Google Patents
A kind of single side notched blasting powder column shell Download PDFInfo
- Publication number
- CN106907960B CN106907960B CN201710251285.XA CN201710251285A CN106907960B CN 106907960 B CN106907960 B CN 106907960B CN 201710251285 A CN201710251285 A CN 201710251285A CN 106907960 B CN106907960 B CN 106907960B
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- CN
- China
- Prior art keywords
- powder column
- grooving
- column shell
- connection parts
- connecting connection
- Prior art date
- 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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Classifications
-
- 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
-
- 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
- F42B3/28—Cartridge cases characterised by the material used, e.g. coatings
Abstract
The invention discloses a kind of single side notched blasting powder column shell, including upper connecting connection parts, powder column shell, three major parts of lower connecting connection parts, in terms of being mainly used in the explosion of underground engineering periphery hole.Upper and lower part attachment device of the invention is mutually matched sphere, and the two mutually nested can connect, and carries out eccentric processing to cylinder-shaped powder column inner cavity, forms heavy wall side and thin-walled side.In thin-walled side, setting grooving is stitched, and provides guiding role for explosion product, and powder column explosion time explosion product can act preferentially on rock at grooving seam, is caused the catalase near grooving seam, is ruptured.Meanwhile camcylinder structure can play a protective role to the rock mass of heavy wall side.And more than two powder columns of the present invention can be connected fast and effectively by upper and lower part attachment device, and limit the rotation between powder column, guarantee the consistency in powder charge overall length grooving direction.
Description
Technical field
The present invention relates to a kind of powder column shell, especially a kind of single side notched blasting powder column shell.
Background technique
When Underground Engineering Blasting is constructed, periphery hole charge explosion, which will cause, retains crack propagation and damage in rock mass, at present
Retain rock mass for protection, has a series of research on charge constitution and explosive selection, this is to a certain extent
Reduce the degree of injury for retaining rock mass.But the periphery hole explosion of some specific conditions is not still able to satisfy, such as rock lane
Trace integration mechanized development machine (abbreviation fully-mechanized digging machine) encounters solid rock when constructing, and crack in rock mass need to be caused to expand using explosion
Exhibition, in favor of fully-mechanized digging machine Cutting Rock.In order to not only more efficiently cause crack propagation in rock mass, but also it can protect and retain rock mass,
It is badly in need of a kind of novel notched blasting powder column now.
Summary of the invention
The present invention provides a kind of single side notched blasting powder column shell, both solved because solid rock country rock clamping action is led
The problem for causing demolition effect bad, and reduce reservation Rock Damage destruction of the explosion to surrounding.
The technical scheme adopted by the invention is that:
A kind of single side notched blasting powder column shell, including upper connecting connection parts (1), powder column shell (2), lower connecting connection parts
(3) three major parts, described " upper and lower " refers to the positional relationship in Figure of description below.
The powder column shell (2) is camcylinder structure, is equipped with grooving seam (4) in cylinder thin-walled side, grooving stitches (4) length
Equal to powder column shell length, powder column shell (2) heavy wall upper lateral part is equipped with upper connecting connection parts (1), and lower part is equipped with lower part connection dress
Set (3).
For the upper connecting connection parts (1) there are two part, top is a part of sphere, and lower part is that a diameter is less than ball
The cylindrical body of body, and a hemispheric groove is set at 45 degree of the top of sphere, powder column shell can be fixed, be unlikely to
It rotates.
The lower connecting connection parts (3) are the ball-type groove to match with upper connecting connection parts (1), oblique 45 degree of directions setting
One raised hemisphere matches with the hemispherical groove of upper connecting connection parts (1), revolves after avoiding two powder column connections
Turn, grooving seam (4) dislocation.
The grooving seam (4) is located at cylinder thin-walled side, and the grooving seam is a grooving seam or two grooving seams.
Described one is cut slot length equal to powder column shell length.
Two groovings are sewn on thin-walled side and are arranged symmetrically, and it is 3cm shorter than powder column shell length to cut slot length.
Working principle:
The present invention has carried out eccentric processing to traditional cylindrical powder pellet, and stitches in plane of weakness setting grooving, is explosion product
Guiding role is provided.Powder column explosion time, explosion product can act preferentially on rock at grooving seam, cause grooving to stitch rock nearby broken
It splits, is conducive to subsequent fully-mechanized digging machine cutting.Meanwhile camcylinder structure can play a protective role to the rock mass of heavy wall side.
Compared with prior art, it is an advantage of the invention that；
Inner cavity is carried out eccentric processing on cylindrical powder pellet by the present invention, forms heavy wall side and thin-walled side, is arranged in thin-walled side
Grooving seam, not only can be improved the rock breaking capacity of powder column, but also can protect and around retain rock mass compared with comparable size powder column.Powder column
Explosion time, explosion product will form cumulative effectiveness at grooving seam, to generate many split on the rock near grooving seam
Line, explosion product can act preferentially on rock at grooving seam, cause grooving to stitch rock rupture nearby and increase the extension in crack
Range, so that the rock under fully-mechanized digging machine cutting is in bulk, rather than it is powdered, it improves cutting efficiency, improve construction operation environment.
And more than two powder columns of the present invention can be connected fast and effectively by both ends upper and lower part attachment device, and limit medicine
The rotation of intercolumniation guarantees the consistency in powder charge overall length grooving direction.
Detailed description of the invention
Fig. 1 is the overall schematic of Grain structure of the present invention；
A-A diagrammatic cross-section when Fig. 2 is one grooving seam of powder column of the present invention；
A-A diagrammatic cross-section when Fig. 3 is two grooving seams of powder column of the present invention；
Fig. 4 is the top joint detail figure of powder column of the present invention；
Fig. 5 is the lower part joint detail figure of powder column of the present invention；
In Fig. 1: upper connecting connection parts -1, powder column shell -2, lower connecting connection parts -3, grooving seam -4.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to reality of the invention
The scheme of applying is further described:
A kind of single side notched blasting powder column shell, including upper connecting connection parts (1), powder column shell (2), lower connecting connection parts
(3) three major parts；
The upper connecting connection parts (1) are a raised ball-type, and bottom is slightly less than the circle of sphere diameter by a diameter
Cylinder connects with powder column shell, and in order to connect two powder column shells firmly, one is arranged at 45 degree of the top of sphere
Hemispheric groove；
The powder column shell (2) is an off-centre operation cylinder, forms plane of weakness in side, and stitch in thin-walled side setting grooving
(4)；
The lower connecting connection parts (3) are the ball-type groove to match with upper connecting connection parts (1), oblique 45 degree of directions setting
One raised hemisphere, it is just mutually nested with upper connecting connection parts, convenient for being connected with each other between powder column and powder column, and make powder column
Between connect more stable, be unlikely to rotate, guarantee the grooving seam of multiple powder columns always in same straight line.
Working method of the present invention is described further in conjunction with attached drawing:
As shown in Figure 1, powder column is intracavitary to be directly loadable into explosive, installing medicine can be sequentially connected, upper connecting connection parts 1 and lower part
Attachment device 3 is a combination, is filled in blasthole after connecting powder column, and powder column grooving is stitched to the scar of the wanted explosion of uniform alignment,
Since there is a hemisphere setting in 45 degree of directions of attachment device, it can effectively prevent powder column rotation, make grooving seam always in same
Straight line.Detonating capsule is packed into big gun head powder column；
Single side notched blasting powder column shell processing and fabricating of the invention is very simple, the production of by specification attached drawing, even
The production of socket part position is relatively accurate, in order to quickly connect between powder column；
Powder column of the present invention mainly uses periphery hole explosion to use, and does not have to setting top pressure closure and sealing bottom cover, and production is simple, behaviour
Facilitate.
Claims (4)
1. a kind of single side notched blasting powder column shell, including upper connecting connection parts (1), powder column shell (2), lower connecting connection parts
(3) three major parts；It is characterized in that: the powder column shell (2) is camcylinder structure, PVC material is set in cylinder thin-walled side
There is grooving to stitch (4), powder column shell (2) heavy wall upper lateral part is equipped with upper connecting connection parts (1), and lower part is equipped with lower connecting connection parts (3),
For the upper connecting connection parts (1) there are two part, top is a part of sphere, and lower part is the cylinder that a diameter is less than sphere
Body, and a hemispheric groove is set at 45 degree of the top of sphere, the lower connecting connection parts (3) are that dress is connect with top
The ball-type groove that (1) matches is set, a raised hemisphere, the hemispherical with upper connecting connection parts (1) is arranged in oblique 45 degree of directions
Groove matches, and rotation, grooving seam (4) dislocation occurs after avoiding two powder column connections.
2. a kind of single side notched blasting powder column shell according to claim 1, it is characterized in that: grooving seam is located at cylinder
Thin-walled side, the grooving seam are a grooving seam or two grooving seams.
3. a kind of single side notched blasting powder column shell according to claim 2, it is characterized in that: described one is cut slot length
Equal to powder column shell length.
4. a kind of single side notched blasting powder column shell according to claim 2, it is characterized in that: two groovings be sewn on it is thin
Wall side is arranged symmetrically, and it is 3cm shorter than powder column shell length to cut slot length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251285.XA CN106907960B (en) | 2017-04-17 | 2017-04-17 | A kind of single side notched blasting powder column shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251285.XA CN106907960B (en) | 2017-04-17 | 2017-04-17 | A kind of single side notched blasting powder column shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106907960A CN106907960A (en) | 2017-06-30 |
| CN106907960B true CN106907960B (en) | 2019-02-12 |
Family
ID=59209712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710251285.XA Active CN106907960B (en) | 2017-04-17 | 2017-04-17 | A kind of single side notched blasting powder column shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106907960B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373776Y (en) * | 1998-07-31 | 2000-04-12 | 王东恩 | Energy-collecting blasting pipe capable of precision directional blasting and directional regulation rod |
| RU2276318C1 (en) * | 2004-12-27 | 2006-05-10 | Военная академия Ракетных войск стратегического назначения им. Петра Великого | Lengthened shaped charge |
| CN201083471Y (en) * | 2007-10-09 | 2008-07-09 | 肖正学 | Retaining wall controlled blasting explosive bag structure |
| CN102519323A (en) * | 2011-12-06 | 2012-06-27 | 兰州大学 | Pre-splitting blasting method for joint-cutting pipe |
| CN203534368U (en) * | 2013-11-23 | 2014-04-09 | 山西江阳兴安民爆器材有限公司 | Combined type pre-cracking detonation explosive column |
| CN203785563U (en) * | 2014-01-20 | 2014-08-20 | 中交一公局厦门工程有限公司 | Dual-sleeve energy accumulation shaped charge blasting device |
| CN204301617U (en) * | 2014-09-30 | 2015-04-29 | 长沙理工大学 | A kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING |
| CN206847484U (en) * | 2017-04-17 | 2018-01-05 | 安徽理工大学 | A kind of one side notched blasting powder column housing |
-
2017
- 2017-04-17 CN CN201710251285.XA patent/CN106907960B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2373776Y (en) * | 1998-07-31 | 2000-04-12 | 王东恩 | Energy-collecting blasting pipe capable of precision directional blasting and directional regulation rod |
| RU2276318C1 (en) * | 2004-12-27 | 2006-05-10 | Военная академия Ракетных войск стратегического назначения им. Петра Великого | Lengthened shaped charge |
| CN201083471Y (en) * | 2007-10-09 | 2008-07-09 | 肖正学 | Retaining wall controlled blasting explosive bag structure |
| CN102519323A (en) * | 2011-12-06 | 2012-06-27 | 兰州大学 | Pre-splitting blasting method for joint-cutting pipe |
| CN203534368U (en) * | 2013-11-23 | 2014-04-09 | 山西江阳兴安民爆器材有限公司 | Combined type pre-cracking detonation explosive column |
| CN203785563U (en) * | 2014-01-20 | 2014-08-20 | 中交一公局厦门工程有限公司 | Dual-sleeve energy accumulation shaped charge blasting device |
| CN204301617U (en) * | 2014-09-30 | 2015-04-29 | 长沙理工大学 | A kind of centering gun tube device being applicable to tunnel perimeter hole CUMULATIVE BLASTING |
| CN206847484U (en) * | 2017-04-17 | 2018-01-05 | 安徽理工大学 | A kind of one side notched blasting powder column housing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106907960A (en) | 2017-06-30 |
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