CN109099806A - A kind of photoface exploision or presplit blasting blast cutting device - Google Patents
A kind of photoface exploision or presplit blasting blast cutting device Download PDFInfo
- Publication number
- CN109099806A CN109099806A CN201811229588.2A CN201811229588A CN109099806A CN 109099806 A CN109099806 A CN 109099806A CN 201811229588 A CN201811229588 A CN 201811229588A CN 109099806 A CN109099806 A CN 109099806A
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- Prior art keywords
- modularization
- jet cutter
- long
- jet
- cumulative
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Classifications
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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
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention belongs to engineering explosion field, especially a kind of photoface exploision or presplit blasting blast cutting device.Device includes at least one modularization jet cutter, detonator seat and long fixinig plate；The structure of all modularization jet cutters is all the same, multiple modularization jet cutters are concatenated mutually by long fixinig plate, front end positioned at the modularization jet cutter on head is equipped with detonator seat, it is also equipped with detonator seat positioned at the rear end of the modularization jet cutter of tail portion, long fixinig plate plays the role of fixed powder charge simultaneously and determines cumulative direction.The present invention uses the modularization jet cutter of plurality of specifications, any combination it can determine loaded length according to actual needs, it is easy to operate, it is easy to use, linear charging density is reasonable, detonator positioning and cumulative blasting direction orientation are accurate, and cumulative works well, and can be applied in presplit blasting and photoface exploision engineering.
Description
Technical field
The invention belongs to engineering explosion field, especially a kind of photoface exploision or presplit blasting blast cutting device.
Background technique
In recent years, it with the fast development that Chinese national economy is built, is opened in the Construction of Urban Rail Traffic of various regions, tunnel
Dig and civil air defense constructions and installations is excavated and cave depot excavates etc. in engineerings, treat excavate near sites country rock protection require it is higher and higher,
It needs to reduce destruction and disturbance of the explosion to country rock as much as possible using the method for presplit blasting or photoface exploision.But it is traditional
The method of presplit blasting or photoface exploision is primarily present that out break, Half cast factor are low, serious to surrounding rock failure, vibration is big etc. and lacks
Point.
Therefore, being badly in need of one kind can be improved presplit blasting or Smooth Blasting Effects, reduces hazardous effects of explosion, and operate letter
Single, cumulative charge device easy to use.Application No. is 201610551481.4 patent applications to disclose a kind of module
Change two-way linear cavity effect cutter, use modularization powder charge, loaded length any combination can determine that traditional thread binding medicine is close as needed
Rationally, powder charge positioning, detonation point location and cumulative blasting direction orientation are accurate for degree.But the cutter of the invention, multiple modules
It is more multiple to change structure used by the fixed form between jet cutter, detonation location device and cumulative direction orienting device
It is miscellaneous, and that fixes is not sufficiently stable, securely, fixed, connection effect is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of photoface exploision or presplit blasting blast cutting devices.
The technical solution for realizing the aim of the invention is as follows:
A kind of photoface exploision or presplit blasting blast cutting device, including at least one modularization jet cutter, thunder
Tube socket and long fixinig plate；
When modularization jet cutter quantity is 1, detonator seat is respectively set in the rear and front end of modularization jet cutter,
Long fixinig plate is arranged in the one or both sides of modularization jet cutter；
When modularization jet cutter quantity is greater than 1, the structure of all modularization jet cutters is all the same, Duo Gemo
Block jet cutter is concatenated mutually by long fixinig plate, and the front end positioned at the modularization jet cutter on head is equipped with detonator
Seat is also equipped with detonator seat positioned at the rear end of the modularization jet cutter of tail portion, and the one of modularization jet cutter and detonator seat
Long fixinig plate is arranged in side or two sides simultaneously；
The long fixinig plate is thickness 2mm~3mm, the centre of width 25mm~35mm is with the cross-section of fixed intervals circular through hole
Face is the high-strength engineering plastic strip of arc, is fixed on the one or both sides of modularization jet cutter shell；
The modularization jet cutter includes modularization jet cutter shell, the modularization jet cutter shell
Rear and front end, upper and lower two sides be symmetrical arranged the first cylinder shape protrusion, pass through round in the first cylinder shape protrusion and long fixinig plate
The concatenation of multiple modularization jet cutters is realized in the cooperation of through-hole；
The detonator seat is symmetrical structure, and upper and lower two sides are equipped with symmetrical the second cylinder shape protrusion, by the
The cooperation of circular through hole in two cylinder-shaped protrusions and long fixinig plate, realizes fixation of the detonator seat on long fixinig plate.
Modularization jet cutter further includes cumulative cavity liner and powder charge, and the modularization jet cutter shell includes two
The identical rigid plate of a structure or elastic plate, rigid plate or elastic plate are equipped with the first cylinder shape protrusion, and cumulative cavity liner includes
Two identical cumulative Types of Medicine cover plates, described two rigid plates or elastic plate and two cumulative Types of Medicine cover plate interval settings, jointly
A tubular structure is surrounded, the inside of tubular structure is equipped with explosive.
The material of the modularization jet cutter shell is plastics or cardboard, thickness 1.0mm~2.0mm.
The material of the modularization jet cutter cavity liner is plastics or cardboard, thickness 0.6mm~1.0mm.
The built-in explosive of the modularization jet cutter is commercial explosive.
The commercial explosive is emulsion.
The cross section of the cumulative cavity liner is single angle wedge-shaped, and wedge-shaped top opening angle is 80 °~95 ° or described
The cross section of cumulative cavity liner is multi-angle combination wedge shape, and key groove is directed toward the center of modularization jet cutter；Or it is described poly-
The cross section of energy cavity liner is ellipse arc, and the axial ratio of ellipse arc is 1.3~1.7；Or the cumulative cavity liner
Cross section is arc-shaped.
Compared with prior art, the present invention its remarkable advantage is as follows:
(1) photoface exploision of the invention or presplit blasting blast cutting device can be cut using the modular polyketide of plurality of specifications
Powder charge is cut, suitable cutting charge module can be selected according to specific environment, environmental suitability is strong.
(2) photoface exploision of the invention or presplit blasting use long fixinig plate with blast cutting device, can be realized module
Change any combination of cumulative blasting powder charge, and bonding strength can satisfy requirement.
(3) detonating capsule can be set in the centre bore of detonator seat, and two sides are cylinder-shaped protrusion, can be fixed by long
The two sides cylindrical shape combination of protrusions of piece and modularization jet cutter shell uses, and can guarantee the detonation point of cutter powder charge
In the center of cutter one end, it is ensured that detonation wave symmetrically can reach drug-shaped cover simultaneously, be capable of forming cutter symmetrically
The good energy-gathering jetting of property.
(4) photoface exploision of the invention or presplit blasting are used made of high-strength engineering plastic piece with blast cutting device
Long fixinig plate, thick 2mm~3mm, wide 25mm~35mm, length can be selected arbitrarily as the case may be, by through-hole structure by its
Be fixed on the non-cumulative of modularization jet cutter has cylinder-shaped raised one or both sides, and according to exposing, blasthole part is long to be fixed
The width direction in piece cross section can be with the cumulative direction of determining module jet cutter, it is ensured that modular polyketide energy in multiple blastholes
The cumulative direction of cutter is consistent with excavation contour line.
(5) photoface exploision of the invention or presplit blasting can be realized detonator positioning and cut with blast cutting device orients
Accurately, easy to operate, easy to use, demolition effect is good, high reliablity, the destructive targets such as small, adaptable, improve construction effect
Rate meets in the excavation projects such as cave depot, tunnel, roadway the needs of to periphery hole powder charge.
(6) photoface exploision of the invention or presplit blasting may insure that fire point is located at cutter one with blast cutting device
End center, and energy-gathering jetting is generated in symmetrical both direction, the blasthole wall on cumulative direction is generated and is effectively destroyed, poly-
Through crack is generated between blasthole on energy direction.
(7) photoface exploision of the invention or presplit blasting can satisfy excavation project to presplit blasting with blast cutting device
Or the requirement of photoface exploision, presplit blasting or Smooth Blasting Effects are improved, hazardous effects of explosion is substantially reduced.Photoface exploision is pre-
Split explosion blast cutting device with detonator positioning and cut orientation it is accurate, easy to operate, easy to use, demolition effect is good,
The advantages that high reliablity, construction efficiency are high, destructive small, adaptable, can satisfy the excavation projects such as cave depot, tunnel, roadway
In demand to periphery hole powder charge, be the important supplement to the existing engineering explosion equipment in China.
Detailed description of the invention
Fig. 1 is the modularization jet cutter structural schematic diagram of blast cutting device of the present invention, wherein figure (a) is cross section
Structure chart, figure (b) are the A-A sectional view for scheming (a).
Fig. 2 is the detonator seat figure of blast cutting device of the present invention, wherein figure (a) is cross-sectional configuration figure, figure (b) is figure
(a) A-A sectional view.
Fig. 3 is the long fixinig plate figure of blast cutting device of the present invention, wherein figure (a) is top view, figure (b) is figure (a)
A-A sectional view.
Fig. 4 is the installation diagram of blast cutting device of the present invention.
Description of symbols
1- modularization jet cutter shell, 2- cumulative cavity liner, 3- explosive, 4- detonator seat, 5- long fixinig plate, 6- first
Cylinder-shaped protrusion, 7- the second cylinder shape protrusion, 8- through-hole.
Specific embodiment
As shown in figure 4, a kind of photoface exploision of the invention or presplit blasting blast cutting device, including at least one mould
Block jet cutter, detonator seat 4 and long fixinig plate 5；
When modularization jet cutter quantity is 1, detonator seat 4, mould is respectively set in the both ends of modularization jet cutter
Long fixinig plate 5 is arranged in the side of block jet cutter；
When modularization jet cutter quantity is greater than 1, the structure of all modularization jet cutters is all the same, Duo Gemo
By long fixinig plate 5, concatenation, the front end positioned at the modularization jet cutter on head are equipped with detonator to block jet cutter mutually
Seat 4 is also equipped with detonator seat 4 positioned at the rear end of the modularization jet cutter of tail portion, modularization jet cutter and detonator seat 4
Long fixinig plate 5 is arranged in one or both sides simultaneously.
As shown in Figure 1, the modularization jet cutter includes modularization jet cutter shell 1,2 and of cumulative cavity liner
Powder charge 3, the modularization jet cutter shell 1 include the identical rigid plate of two structures or elastic plate, and cumulative cavity liner 2 wraps
Two identical cumulative Types of Medicine cover plates, above-mentioned two rigid plate or elastic plate and two cumulative Types of Medicine cover plate interval settings are included, altogether
With a tubular hollow structure is surrounded, inside is equipped with explosive 3；The modularization jet cutter shell 1 and cavity liner 2 can be with
It is made into overall structure.
The two sides both ends of the modularization jet cutter shell 1 are symmetrical arranged the first cylinder shape protrusion 6, modular polyketide energy
The first cylinder shape protrusion 6 of cutter shell 1 can be with the first cylinder shape protrusion of another modularization jet cutter shell 1
6 are cooperated by long fixinig plate 5 fixes.
As shown in figure 3, the long fixinig plate 5 is thickness 2mm~3mm, the centre of width 25mm~35mm is with fixed intervals circle
The cross section of shape through-hole be arc high-strength engineering plastic strip, be fixed on modularization jet cutter shell 1 side or
Two sides.
As shown in Fig. 2, the material of the detonator seat 4 is plastics or rubber or paper, it is symmetrical structure, two sides are symmetrical point
The second cylinder shape protrusion 7 of cloth.
The explosive 3 is emulsion or other commercial explosives.
The cross section of the modularization jet cutter cavity liner 2 is wedge shape, and wedge-shaped top opening angle is 80 °~95 °；
Or the cross section of the cumulative cavity liner 2 is multi-angle combination wedge shape；Or the cross section of the cumulative cavity liner 2 is ellipse
Arc, the axial ratio of ellipse arc are 1.3~1.7；Or the cross section of the cumulative cavity liner 2 is arc-shaped.
The material of the modularization jet cutter cavity liner 2 is plastics or cardboard, thickness 0.6mm~1.0mm.
The material of the modularization jet cutter shell 1 is plastics or cardboard, thickness 1.0mm~2.0mm.
Photoface exploision or presplit blasting of the invention with blast cutting device can satisfy excavation project to presplit blasting or
The requirement of photoface exploision improves presplit blasting or Smooth Blasting Effects, substantially reduces hazardous effects of explosion.Photoface exploision or presplitting
There is explosion blast cutting device detonator to position and cut, and orientation is accurate, easy to operate, easy to use, demolition effect is good, can
It, construction efficiency high, destructive small, adaptable the advantages that high by property, can satisfy in the excavation projects such as cave depot, tunnel, roadway
Demand to periphery hole powder charge.
Further detailed description is done to the present invention below with reference to embodiment.
Embodiment 1
A kind of photoface exploision or presplit blasting blast cutting device, including a modularization jet cutter, detonator seat 4
With long fixinig plate 5；Detonator seat 4, the side setting of modularization jet cutter is respectively set in the both ends of modularization jet cutter
Long fixinig plate 5.
The modularization jet cutter includes modularization jet cutter shell 1, cumulative cavity liner 2 and explosive 3, described
Modularization jet cutter shell 1 includes the identical rigid plate of two structures, and cumulative cavity liner 2 includes two identical cumulative medicines
Type cover plate, above-mentioned two rigid plate and two cumulative Types of Medicine cover plate interval settings, surround a tubular hollow structure jointly, in
Portion is equipped with explosive 3；The modularization jet cutter shell 1 and cavity liner 2 can be made overall structure.The modular polyketide energy
The two sides both ends of cutter shell 1 are symmetrical arranged the first cylinder shape protrusion 6, the first cylinder of modularization jet cutter shell 1
Shape protrusion 6 can pass through long 5 phase interworking of fixinig plate with the first cylinder shape protrusion 6 of another modularization jet cutter shell 1
It closes and fixes.The long fixinig plate 5 is thickness 2.5mm, cross section of the centre of width 30mm with fixed intervals circular through hole is arc
High-strength engineering plastic strip, be fixed on the side of modularization jet cutter shell.The material of the detonator seat 4 is modeling
Material, is symmetrical structure, and two sides are symmetrical cylindrical shape protrusion.Explosive 3 is emulsion.
The cross section of the cumulative cavity liner 2 is wedge shape, and wedge-shaped top opening angle is 82 °；The material of the cavity liner 2
For plastics, thickness 0.6mm.The material of the modularization jet cutter shell 1 is plastics, thickness 1.5mm.
The present invention uses modular polyketide energy cutting charge, and loaded length any combination can determine as needed, using long solid
Modular polyketide energy cutting charge and detonator seat is fixed in stator, ensure that the globality and consistency and detonation of powder charge
The accuracy of point position, linear charging density is reasonable, and detonation point location and cumulative blasting direction orientation are accurate, easy to operate, uses
Convenient, operating efficiency is high, and demolition effect is good, and hazardous effects of explosion is small, can meet cave depot, tunnel, roadway, basis etc. well
Excavation project can promote the use of in most of presplit blasting or photoface exploision engineering.
Embodiment 2
A kind of photoface exploision or presplit blasting blast cutting device, including multiple modularization jet cutters, detonator seat 4
With long fixinig plate 5；The structure of all modularization jet cutters is all the same, and multiple modularization jet cutters pass through long fixinig plate
5 concatenate mutually, and the front end positioned at the modularization jet cutter on head is equipped with detonator seat 4, and the modular polyketide positioned at tail portion can be cut
The rear end of cutter is also equipped with detonator seat 4, and long fixinig plate 5 is arranged in the two sides of modularization jet cutter and detonator seat 4 simultaneously.
The modularization jet cutter includes modularization jet cutter shell 1, cumulative cavity liner 2 and explosive 3, described
Modularization jet cutter shell 1 includes the identical elastic plate of two structures, and cumulative cavity liner 2 includes two identical cumulative medicines
Type cover plate, above-mentioned two elastic plate and two cumulative Types of Medicine cover plate interval settings, surround a tubular hollow structure jointly, in
Portion is equipped with explosive 3；The modularization jet cutter shell 1 and cavity liner 2 can be made overall structure.The modular polyketide energy
The two sides both ends of cutter shell 1 are symmetrical arranged the first cylinder shape protrusion 6, the first cylinder of modularization jet cutter shell 1
Shape protrusion 6 can pass through long 5 phase interworking of fixinig plate with the first cylinder shape protrusion 6 of another modularization jet cutter shell 1
It closes and fixes.The long fixinig plate 5 is thickness 3.0mm, cross section of the centre of width 34mm with fixed intervals circular through hole is arc
High-strength engineering plastic strip, be fixed on the two sides of modularization jet cutter shell.The material of the detonator seat 4 is rubber
Glue is symmetrical structure, and two sides are symmetrical the second cylinder shape protrusion 7.The explosive 3 is emulsion.
The cross section of the cumulative cavity liner 2 is ellipse arc, and the axial ratio of ellipse arc is 1.6.The cavity liner 2
Material be cardboard, thickness 0.8mm.The material of the modularization jet cutter shell 1 is cardboard, thickness 1.7mm.
Photoface exploision or presplit blasting of the invention can be realized detonator positioning with blast cutting device and cutting orientation is quasi-
Really, easy to operate, easy to use, demolition effect is good, high reliablity, the destructive targets such as small, adaptable, improve construction effect
Rate meets in the excavation projects such as cave depot, tunnel, roadway the needs of to periphery hole powder charge, can be used for most of presplit blasting or
Photoface exploision powder charge.
Claims (8)
1. a kind of photoface exploision or presplit blasting blast cutting device, which is characterized in that including at least one modular polyketide energy
Cutter, detonator seat (4) and long fixinig plate (5),
When modularization jet cutter quantity is 1, detonator seat (4) are respectively set in the rear and front end of modularization jet cutter,
Long fixinig plate (5) is arranged in the one or both sides of modularization jet cutter；
When modularization jet cutter quantity is greater than 1, the structure of all modularization jet cutters is all the same, multiple modularizations
Jet cutter is concatenated mutually by long fixinig plate (5), and the front end positioned at the modularization jet cutter on head is equipped with detonator seat
(4), detonator seat (4), modularization jet cutter and detonator seat are also equipped with positioned at the rear end of the modularization jet cutter of tail portion
(4) long fixinig plate (5) are arranged simultaneously in one or both sides；
The long fixinig plate (5) is thickness 2mm~3mm, the centre of width 25mm~35mm has the cross of fixed intervals circular through hole (8)
Section is the high-strength engineering plastic strip of arc, is fixed on the one or both sides of modularization jet cutter shell (1)；
The modularization jet cutter includes modularization jet cutter shell (1), the modularization jet cutter shell
(1) rear and front end, upper and lower two sides are symmetrical arranged the first cylinder shape protrusion (6), pass through the first cylinder shape raised (6) and long fixation
The cooperation of circular through hole (8) on piece (5), realizes the concatenation of multiple modularization jet cutters.
2. photoface exploision according to claim 1 or presplit blasting blast cutting device, which is characterized in that modular polyketide
Energy cutter further includes cumulative cavity liner (2) and explosive (3), and the modularization jet cutter shell (1) includes two structures
Identical rigid plate or elastic plate, rigid plate or elastic plate are equipped with the first cylinder shape protrusion (6), and cumulative cavity liner (2) includes
Two identical cumulative Types of Medicine cover plates, described two rigid plates or elastic plate and two cumulative Types of Medicine cover plate interval settings, jointly
A tubular hollow structure is surrounded, the inside of tubular hollow structure is equipped with explosive (3).
3. photoface exploision according to claim 1 or presplit blasting blast cutting device, which is characterized in that the detonator
Seat (4) is symmetrical structure, and upper and lower two sides are equipped with symmetrical the second cylinder shape protrusion (7), convex by the second cylinder shape
The cooperation of circular through hole (8) on (7) and long fixinig plate (5) is played, realizes the fixation of detonator seat (4) on long fixinig plate (5).
4. photoface exploision according to claim 2 or presplit blasting blast cutting device, which is characterized in that the cumulative
The cross section of cavity liner (2) is single angle wedge-shaped, and wedge-shaped top opening angle is 80 °~95 ° or the cumulative cavity liner (2)
Cross section be multi-angle combination wedge shape, key groove be directed toward modularization jet cutter center；Or the cumulative cavity liner (2)
Cross section be ellipse arc, the axial ratio of ellipse arc is 1.3~1.7；Or the cross section of the cumulative cavity liner (2)
It is arc-shaped.
5. photoface exploision according to claim 2 or presplit blasting blast cutting device, which is characterized in that the module
The material for changing jet cutter shell (1) is plastics or cardboard, thickness 1.0mm~2.0mm.
6. photoface exploision according to claim 2 or presplit blasting blast cutting device, which is characterized in that the module
The material for changing jet cutter cavity liner (2) is plastics or cardboard, thickness 0.6mm~1.0mm.
7. photoface exploision according to claim 2 or presplit blasting blast cutting device, which is characterized in that the module
Change built-in explosive (3) commercial explosive of jet cutter.
8. photoface exploision according to claim 7 or presplit blasting blast cutting device, which is characterized in that the industry
Explosive is emulsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229588.2A CN109099806A (en) | 2018-10-22 | 2018-10-22 | A kind of photoface exploision or presplit blasting blast cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811229588.2A CN109099806A (en) | 2018-10-22 | 2018-10-22 | A kind of photoface exploision or presplit blasting blast cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109099806A true CN109099806A (en) | 2018-12-28 |
Family
ID=64869115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811229588.2A Pending CN109099806A (en) | 2018-10-22 | 2018-10-22 | A kind of photoface exploision or presplit blasting blast cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109099806A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624086A (en) * | 2021-08-19 | 2021-11-09 | 中国核工业第二二建设有限公司 | Energy-gathered charging device for blasting demolition of thick steel structure factory building and blasting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627848A (en) * | 2016-03-22 | 2016-06-01 | 中煤科工集团淮北爆破技术研究院有限公司 | Locatable bilinear cumulative blasting device in smooth blasting hole and blasting method |
| CN106017241A (en) * | 2016-07-13 | 2016-10-12 | 中国人民解放军理工大学 | Modularized two-way linear shaped charge cutter |
| KR101678192B1 (en) * | 2016-06-02 | 2016-11-21 | 홍순비 | Supporter for blasting charge dispersion, and method of setting explosives using the same and of blasting explosives therefrom |
| CN107388912A (en) * | 2017-07-21 | 2017-11-24 | 辽宁科技大学 | A kind of hanging is two-way not to couple presplit blasting means for loading and application method |
| CN209326478U (en) * | 2018-10-22 | 2019-08-30 | 中国人民解放军陆军工程大学 | A kind of photoface exploision or presplit blasting blast cutting device |
-
2018
- 2018-10-22 CN CN201811229588.2A patent/CN109099806A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627848A (en) * | 2016-03-22 | 2016-06-01 | 中煤科工集团淮北爆破技术研究院有限公司 | Locatable bilinear cumulative blasting device in smooth blasting hole and blasting method |
| KR101678192B1 (en) * | 2016-06-02 | 2016-11-21 | 홍순비 | Supporter for blasting charge dispersion, and method of setting explosives using the same and of blasting explosives therefrom |
| CN106017241A (en) * | 2016-07-13 | 2016-10-12 | 中国人民解放军理工大学 | Modularized two-way linear shaped charge cutter |
| CN107388912A (en) * | 2017-07-21 | 2017-11-24 | 辽宁科技大学 | A kind of hanging is two-way not to couple presplit blasting means for loading and application method |
| CN209326478U (en) * | 2018-10-22 | 2019-08-30 | 中国人民解放军陆军工程大学 | A kind of photoface exploision or presplit blasting blast cutting device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113624086A (en) * | 2021-08-19 | 2021-11-09 | 中国核工业第二二建设有限公司 | Energy-gathered charging device for blasting demolition of thick steel structure factory building and blasting method |
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