CN105928426A - Horseshoe-shaped energy-concentrating cutter - Google Patents
Horseshoe-shaped energy-concentrating cutter Download PDFInfo
- Publication number
- CN105928426A CN105928426A CN201610466635.XA CN201610466635A CN105928426A CN 105928426 A CN105928426 A CN 105928426A CN 201610466635 A CN201610466635 A CN 201610466635A CN 105928426 A CN105928426 A CN 105928426A
- Authority
- CN
- China
- Prior art keywords
- shape
- hoof
- cavity liner
- powder charge
- jet cutter
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a horseshoe-shaped energy-concentrating cutter. The horseshoe-shaped energy-concentrating cutter comprises a housing, an explosive container, an explosive container cover and detonating devices, wherein the explosive container cover is horseshoe-shaped and is provided with the explosive container at the outside; the housing is arranged in the periphery of the explosive container and wraps the explosive container; a plurality of detonating devices which are synchronous detonating devices are mounted on the housing and connected with the explosive container; a gap is formed in the inner side of the explosive container cover. The horseshoe-shaped energy-concentrating cutter has the advantages of being high in safety, high in reliability, good in cutting effect, high in success rate, high in adaptability, simple to operate, convenient to use, and fast to arrange; the cutter is relatively small in size, and the quantity of the loaded explosive is small, so that the corresponding explosion risk is small; the horseshoe-shaped energy-concentrating cutter has a good application prospect.
Description
Technical field
The invention belongs to engineering explosion cutting technique field, particularly a kind of shape of a hoof jet cutter.
Background technology
In the dismounting of large-scale steel structure buildings or structures, offshore field, the cutting of pipeline, in shipwreck and naval vessels circular and
Abnormity component cuts the fields such as even rescue and relief work, it is sometimes desirable to impaired or that scrap solid (or hollow) steelframe, sky
The pipeline of the heart even other abnormity component is removed, and particularly under conditions of the limited space of side, common cutting is torn open
Except means (such as machine cuts, combustion gas cutting etc.) exist enforcement difficulty greatly, risk is high, and efficiency is low, poor for applicability, behaviour
Make complexity, in-convenience in use etc. limitation.Sometimes the in the case of of cannot being detained for a long time for personnel, the limitation of said method
Property is more prominent.
The problem existed for above-mentioned common cutting disassembling means and method, we can use doing of cumulative charge
Method, is used for the cutting disassembling of said structure by jet cutter.The jet cutter relative size of research was less, greatly in the past
It is used for cutting the Thin-shell structure such as sheet metal, aircraft housing, for the works of large-size, oil well, pipeline, ship
Central portions etc. on body and naval vessels, in requisition for the sickle of large-size.And common jet cutter cuts identical chi
During very little said structure, the sickle size of needs is big, and explosive payload is big, and corresponding explosion hazard effect is the biggest.
From the foregoing, it will be observed that prior art there is no a kind of can the bigger solid bar of cutting diameter, hollow pipe, steelframe and
The isostructural jet cutter of abnormity component.
Summary of the invention
Technical problem solved by the invention be to provide a kind of can the bigger solid bar of cutting diameter, hollow pipe,
Steelframe and abnormity component isostructural shape of a hoof jet cutter.
The technical solution realizing the object of the invention is: a kind of shape of a hoof jet cutter, including housing, powder charge, medicine
Type cover and priming device, described cavity liner be shaped as the shape of a hoof, equipped with powder charge outside shape of a hoof cavity liner, powder charge periphery
Arranging housing, this housing is wrapped in powder charge, and equipped with some priming devices on housing, above-mentioned priming device is simultaneous initiation dress
Putting and be connected with powder charge, the inner side of described cavity liner has breach.
Compared with prior art, its remarkable advantage is the present invention: 1) shape of a hoof jet cutter of the present invention can be very
It is laid in position to be cut easily and is installed priming device, after evacuating personnel to safe region, being used long distance
Detonate from control, target to be removed is carried out blast cutting；2) shape of a hoof jet cutter of the present invention has safety
Well, reliability height, good cutting effect, success rate are high, the suitability is strong, simple to operate, easy to use, it is fast to lay speed
Etc. advantage, sickle used is relatively small in size, and explosive payload is the least, and corresponding explosion hazard effect is the least, has very
Good application prospect；3) assembly of the invention can be easily from outside cutting metal or non-metallic material in engineer applied
Pole that material is made, circulating line, support etc., it might even be possible to cutting abnormity component, especially for side limited location
Above-mentioned material has more prominent advantage, have conveniently, safely, fast, efficient distinguishing feature, and be easy to lay；
4) semicircle in the cavity liner of the present invention and charge constitution and straightway be smoothly connected formation horseshoe-shaped structure, employing is many
Point simultaneous initiation mode, so semicircle and straight line portion effluxvelocity is high, improves the bulk velocity of jet, and enhancing is cut
Cut ability.
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the shape of a hoof jet cutter three dimensional structure schematic diagram of the present invention.
Fig. 2 is the shape of a hoof inside jet cutter structure three-view diagram, and wherein figure (a) is front view, and figure (b) is right view,
Figure (c) is top view.
Detailed description of the invention
In conjunction with Fig. 1, a kind of shape of a hoof jet cutter of the present invention, including housing 1, powder charge 2, cavity liner 3 with detonate
Device 4, described cavity liner 3 be shaped as the shape of a hoof, equipped with powder charge 2 outside shape of a hoof cavity liner 3, powder charge periphery sets
Encloser body 1, this housing 1 is wrapped in powder charge 2, and equipped with some priming devices 4 on housing 1, above-mentioned priming device 4 is same
Step priming device is also connected with powder charge 2, and the inner side of described cavity liner 3 has breach.
The peripheral housing 1 adding inert material composition of powder charge, can improve cutting power；The shape of powder charge 2 is also class
Being similar to " shape of a hoof ", be looped around around cavity liner, explosive thickness everywhere is uniform；Cavity liner 3 be shaped as semi arch with
Being smoothly connected of straight line, cavity liner is inwardly open, cross section be shaped as wedge shape, to form the metal jet inwardly converged；
The charge constitution of shape of a hoof jet cutter is symmetrical structure.Rising that semi arch top center and two straightway two ends are laid
Quick-fried device 4, uses 3 simultaneous initiations, improves the jet flow forming performance of the inside jet cutter of the shape of a hoof further and carries
High cutting power.
Preferably, described cavity liner 3 includes arc section, the first straightway and the second straightway, the two ends of described arc section
One end with the first straightway and the second straightway is connected respectively；The length of two straightways is identical, is arc section radius
0.8～1.2 times.
Preferably, described arc section be shaped as semi arch.
Preferably, the cross section of described cavity liner 3 is wedge shape, and wedge-shaped top opening angle is 80 °～100 °.
Preferably, the cross section of described cavity liner 3 is ellipse arc, and the axial ratio of ellipse arc is 1.4～1.6.
Preferably, described shaped charge material use pure iron, red copper or these density of lead-antimony alloy are big, plasticity good, compressible
Property is little, vapourizing temperature is high, molding and the preferable metal material of penetration property, and liner thickness is 1mm～3mm, described
A width of 10mm～40mm of side opening in cavity liner 3.
Preferably, described powder charge 2 uses 8701 explosives, B explosive, these high explosives of C4 explosive, and powder charge 2 is adopted
The mode molding filled with casting or press-fit, powder charge is looped around outside cavity liner, the thickness phase of the powder charge 2 outside cavity liner 3
Deng, it is 20mm～40mm.
Preferably, the material of described housing 1 is inert material, thickness 1.5mm～3.0mm.
Preferably, described inert material is engineering plastics, aluminum and alloy thereof, ferrum and alloy thereof, lead and alloy thereof.
Preferably, the quantity of priming device 4 is 3, and one of them is positioned at circular arc top center, two other difference position
End in two straightways；Priming device 4 is high precision electro detonator or high accuracy non-electric shock conducting tube detonator or electric detonator.
The transverse section of described metal liner is wedge shape (comprising single angle wedge-shaped and multi-angle combination wedge shape), ellipse arc
(comprise semiellipse arc and cut end ellipse arc), circular arc (comprise semicircular arc and cut end semicircular arc), hyperbola
Shape, wedge arc combine the various shapes such as shape, and the effluxvelocity of formation is high, and the power of sickle is big.The shape of a hoof of the present invention gathers
Can sickle has that safety is good, reliability is high, good cutting effect, success rate are high, the suitability is strong, simple to operate, make
With convenient, lay the advantages such as speed is fast, sickle used is relatively small in size, and explosive payload is the least, danger of exploding accordingly
Evil effect is the least, has good application prospect.
Below in conjunction with embodiment, the present invention is done further detailed description.
Embodiment 1
A kind of shape of a hoof jet cutter, including housing 1, powder charge 2, cavity liner 3 and priming device 4, described cavity liner
3 be shaped as the shape of a hoof, equipped with powder charge 2 outside shape of a hoof cavity liner 3, powder charge periphery arranges housing 1, this housing 1
Be wrapped in powder charge 2, equipped with some priming devices 4 on housing 1, above-mentioned priming device 4 be synchronizing exploder and with dress
Medicine 2 is connected, and the inner side of described cavity liner 3 has breach.Described cavity liner 3 includes arc section, the first straightway and
Two straightways, one end with the first straightway and the second straightway respectively, the two ends of described arc section is connected；Two straightways
Length identical, be 0.8 times of arc section radius.Described arc section be shaped as semi arch.Described cavity liner 3
Cross section is wedge shape, and wedge-shaped top opening angle is 80 °.Described shaped charge material uses pure iron, and liner thickness is 1mm,
The a width of 10mm of side opening in described cavity liner 3.Described powder charge 2 uses 8701 explosives, powder charge 2 to use press-fit approach
Molding, powder charge is looped around outside cavity liner, and the thickness of the powder charge 2 outside cavity liner 3 is equal, is 20mm.Described
The material of housing 1 is inert material, thickness 1.5mm.Described inert material is engineering plastics.The quantity of priming device 4
Being 3, one of them is positioned at circular arc top center, and two other lays respectively at the end of two straightways；Priming device
4 is high precision electro detonator.
Utilizing above-mentioned jet cutter to cut the central portion on hull, cutting effect is the best, and explosion hazard is imitated
Should be the least.
Embodiment 2
A kind of shape of a hoof jet cutter, including housing 1, powder charge 2, cavity liner 3 and priming device 4, described cavity liner
3 be shaped as the shape of a hoof, equipped with powder charge 2 outside shape of a hoof cavity liner 3, powder charge periphery arranges housing 1, this housing 1
Be wrapped in powder charge 2, equipped with some priming devices 4 on housing 1, above-mentioned priming device 4 be synchronizing exploder and with dress
Medicine 2 is connected, and the inner side of described cavity liner 3 has breach.Described cavity liner 3 includes arc section, the first straightway and
Two straightways, one end with the first straightway and the second straightway respectively, the two ends of described arc section is connected；Two straightways
Length identical, be 1.2 times of arc section radius.The cross section of described cavity liner 3 is wedge shape, wedge-shaped top opening
Angle is 100 °.Described shaped charge material uses red copper, and liner thickness is 3mm, side opening in described cavity liner 3
A width of 40mm.Described powder charge 2 uses B explosive, and powder charge 2 uses the mode molding of casting dress, and powder charge is looped around cavity liner
Outside, the thickness of the powder charge 2 outside cavity liner 3 is equal, is 40mm.The material of described housing 1 is inert material,
Thickness 3.0mm.Described inert material is lead.The quantity of priming device 4 is 3, and one of them is positioned in circular arc top
The heart, two other lays respectively at the end of two straightways；Priming device 4 is high accuracy non-electric shock conducting tube detonator.
Utilizing above-mentioned jet cutter to cut the central portion within naval vessels, cutting effect is the best, explosion hazard
Effect is the least.
Embodiment 3
A kind of shape of a hoof jet cutter, including housing 1, powder charge 2, cavity liner 3 and priming device 4, described cavity liner
3 be shaped as the shape of a hoof, equipped with powder charge 2 outside shape of a hoof cavity liner 3, powder charge periphery arranges housing 1, this housing 1
Be wrapped in powder charge 2, equipped with some priming devices 4 on housing 1, above-mentioned priming device 4 be synchronizing exploder and with dress
Medicine 2 is connected, and the inner side of described cavity liner 3 has breach.Described cavity liner 3 includes arc section, the first straightway and
Two straightways, one end with the first straightway and the second straightway respectively, the two ends of described arc section is connected；Two straightways
Length identical, be 1 times of arc section radius.Described arc section be shaped as semi arch.The horizontal stroke of described cavity liner 3
Cross section is wedge shape, and wedge-shaped top opening angle is 90 °.
Described shaped charge material uses lead-antimony alloy, and liner thickness is 1.3mm, and in described cavity liner 3, side opening is a width of
20mm.Described powder charge 2 uses C4 explosive, powder charge 2 to use press-fit approach molding, and powder charge is looped around outside cavity liner,
The thickness of the powder charge 2 outside cavity liner 3 is equal, is 30mm.The material of described housing 1 is inert material, thickness
3.0mm.Described inert material is ferrum.The quantity of priming device 4 is 3, and one of them is positioned at circular arc top center,
Two other lays respectively at the end of two straightways；Priming device 4 is electric detonator.
Utilizing above-mentioned jet cutter to cut circulating line, effect is the best.
Embodiment 4
A kind of shape of a hoof jet cutter, including housing 1, powder charge 2, cavity liner 3 and priming device 4, described cavity liner
3 be shaped as the shape of a hoof, equipped with powder charge 2 outside shape of a hoof cavity liner 3, powder charge periphery arranges housing 1, this housing 1
Be wrapped in powder charge 2, equipped with some priming devices 4 on housing 1, above-mentioned priming device 4 be synchronizing exploder and with dress
Medicine 2 is connected, and the inner side of described cavity liner 3 has breach.Described cavity liner 3 includes arc section, the first straightway and
Two straightways, one end with the first straightway and the second straightway respectively, the two ends of described arc section is connected；Two straightways
Length identical, be 1.1 times of arc section radius.The cross section of described cavity liner 3 is ellipse arc, ellipse arc
Axial ratio be 1.5.Described shaped charge material uses lead-antimony alloy, and liner thickness is 2mm, described cavity liner 3
The a width of 30mm of interior side opening.Described powder charge 2 uses 8701 explosives, and powder charge 2 uses and press-fits molding, and powder charge is looped around
Outside cavity liner, the thickness of the powder charge 2 outside cavity liner 3 is equal, is 35mm.The material of described housing 1 is lazy
Property material, thickness 2.0mm.Described inert material is aluminum.The quantity of priming device 4 is 3, and one of them is positioned at circle
Arc top center, two other lays respectively at the end of two straightways；Priming device 4 is high accuracy nonel tube thunder
Pipe.
Utilize above-mentioned jet cutter the best to abnormity component cutting effect.
Embodiment 5
A kind of shape of a hoof jet cutter, including housing 1, powder charge 2, cavity liner 3 and priming device 4, described cavity liner
3 be shaped as the shape of a hoof, equipped with powder charge 2 outside shape of a hoof cavity liner 3, powder charge periphery arranges housing 1, this housing 1
Be wrapped in powder charge 2, equipped with some priming devices 4 on housing 1, above-mentioned priming device 4 be synchronizing exploder and with dress
Medicine 2 is connected, and the inner side of described cavity liner 3 has breach.Described cavity liner 3 includes arc section, the first straightway and
Two straightways, one end with the first straightway and the second straightway respectively, the two ends of described arc section is connected；Two straightways
Length identical, be 1.1 times of arc section radius.The cross section of described cavity liner 3 is hyperbola, penetrating of formation
Flow Velocity is high, and the power of sickle is big.Described shaped charge material uses lead-antimony alloy, and liner thickness is 2mm, institute
State a width of 30mm of side opening in cavity liner 3.Described powder charge 2 uses B explosive, powder charge 2 to use casting to dress up type, powder charge
Being looped around outside cavity liner, the thickness of the powder charge 2 outside cavity liner 3 is equal, is 35mm.The material of described housing 1
Material is inert material, thickness 2.0mm.Described inert material is aluminum.The quantity of priming device 4 is 3, one of them
Being positioned at circular arc top center, two other lays respectively at the end of two straightways；Priming device 4 is the non-conductance of high accuracy
Booster detonator.
Utilize above-mentioned jet cutter the best to abnormity component cutting effect.
Claims (10)
1. a shape of a hoof jet cutter, it is characterised in that include housing [1], powder charge [2], cavity liner [3]
With priming device [4], being shaped as outside the shape of a hoof, shape of a hoof cavity liner [3] equipped with powder charge of described cavity liner [3]
[2], powder charge periphery arranges housing [1], and this housing [1] is wrapped in powder charge [2], equipped with some dresses that detonate on housing [1]
Putting [4], above-mentioned priming device [4] is synchronizing exploder and is connected with powder charge [2], the inner side of described cavity liner [3]
Have breach.
Shape of a hoof jet cutter the most according to claim 1, it is characterised in that described cavity liner [3]
Including arc section, the first straightway and the second straightway, the two ends of described arc section respectively with the first straightway and
One end of second straightway is connected；The length of two straightways is identical, is 0.8～1.2 times of arc section radius.
Shape of a hoof jet cutter the most according to claim 2, it is characterised in that described arc section
It is shaped as semi arch.
Shape of a hoof jet cutter the most according to claim 1, it is characterised in that described cavity liner [3]
Cross section be wedge shape, wedge-shaped top opening angle is 80 °～100 °.
Shape of a hoof jet cutter the most according to claim 1, it is characterised in that described cavity liner [3]
Cross section be ellipse arc, the axial ratio of ellipse arc is 1.4～1.6.
Shape of a hoof jet cutter the most according to claim 1, it is characterised in that described cavity liner material
Material uses pure iron, red copper or lead-antimony alloy, and liner thickness is 1mm～3mm, and described cavity liner [3] inner side is opened
A width of 10mm～40mm of mouth.
Shape of a hoof jet cutter the most according to claim 1, it is characterised in that described powder charge [2] is adopted
With 8701 explosives, B explosive, these high explosives of C4 explosive, powder charge [2] uses casting dress or the side press-fited
Formula molding, powder charge is looped around outside cavity liner, and the thickness of the powder charge [2] in cavity liner [3] outside is equal, is
20mm～40mm.
Shape of a hoof jet cutter the most according to claim 1, it is characterised in that described housing [1]
Material is inert material, thickness 1.5mm～3.0mm.
Shape of a hoof jet cutter the most according to claim 8, it is characterised in that described inert material
For engineering plastics, aluminum and alloy thereof, ferrum and alloy thereof, lead and alloy thereof.
Shape of a hoof jet cutter the most according to claim 1 and 2, it is characterised in that priming device
[4] quantity is 3, and one of them is positioned at circular arc top center, and two other lays respectively at two straightways
End；Priming device [4] is high precision electro detonator or high accuracy non-electric shock conducting tube detonator or electric detonator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466635.XA CN105928426A (en) | 2016-06-23 | 2016-06-23 | Horseshoe-shaped energy-concentrating cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610466635.XA CN105928426A (en) | 2016-06-23 | 2016-06-23 | Horseshoe-shaped energy-concentrating cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928426A true CN105928426A (en) | 2016-09-07 |
Family
ID=56831769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610466635.XA Pending CN105928426A (en) | 2016-06-23 | 2016-06-23 | Horseshoe-shaped energy-concentrating cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105928426A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115062A (en) * | 2018-07-09 | 2019-01-01 | 中国人民解放军陆军工程大学 | Energy-gathered jet secondary collision type axisymmetric perforator and manufacturing and perforating methods thereof |
| CN109141151A (en) * | 2018-07-09 | 2019-01-04 | 中国人民解放军陆军工程大学 | Energy-gathering jet secondary collision profile symmetrical cutter and manufacturing and cutting method thereof |
| CN112611264A (en) * | 2020-12-28 | 2021-04-06 | 陕西渭南庆华化工有限公司 | Explosive cutting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297946A (en) * | 1978-12-05 | 1981-11-03 | Paton Boris E | Extended shaped charge and method of making same |
| DE3701133A1 (en) * | 1987-01-16 | 1988-07-28 | Battelle Institut E V | Explosive-cutting method for thick-walled steel pipes |
| CN202255149U (en) * | 2011-08-02 | 2012-05-30 | 西安近代化学研究所 | Cutting device |
| CN202239882U (en) * | 2011-07-06 | 2012-05-30 | 中国海洋石油总公司 | Underwater energy-accumulating blasting external cutting device |
| CN203908426U (en) * | 2014-05-26 | 2014-10-29 | 葛洲坝易普力股份有限公司 | Circular jet cutter |
| CN205784915U (en) * | 2016-06-23 | 2016-12-07 | 中国人民解放军理工大学 | A kind of shape of a hoof jet cutter |
-
2016
- 2016-06-23 CN CN201610466635.XA patent/CN105928426A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4297946A (en) * | 1978-12-05 | 1981-11-03 | Paton Boris E | Extended shaped charge and method of making same |
| DE3701133A1 (en) * | 1987-01-16 | 1988-07-28 | Battelle Institut E V | Explosive-cutting method for thick-walled steel pipes |
| CN202239882U (en) * | 2011-07-06 | 2012-05-30 | 中国海洋石油总公司 | Underwater energy-accumulating blasting external cutting device |
| CN202255149U (en) * | 2011-08-02 | 2012-05-30 | 西安近代化学研究所 | Cutting device |
| CN203908426U (en) * | 2014-05-26 | 2014-10-29 | 葛洲坝易普力股份有限公司 | Circular jet cutter |
| CN205784915U (en) * | 2016-06-23 | 2016-12-07 | 中国人民解放军理工大学 | A kind of shape of a hoof jet cutter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109115062A (en) * | 2018-07-09 | 2019-01-01 | 中国人民解放军陆军工程大学 | Energy-gathered jet secondary collision type axisymmetric perforator and manufacturing and perforating methods thereof |
| CN109141151A (en) * | 2018-07-09 | 2019-01-04 | 中国人民解放军陆军工程大学 | Energy-gathering jet secondary collision profile symmetrical cutter and manufacturing and cutting method thereof |
| CN109115062B (en) * | 2018-07-09 | 2024-01-05 | 中国人民解放军陆军工程大学 | Energy-accumulating jet secondary collision type axisymmetric perforator and manufacturing and perforation method thereof |
| CN109141151B (en) * | 2018-07-09 | 2024-01-05 | 中国人民解放军陆军工程大学 | Energy-accumulating jet flow secondary collision profile symmetrical cutter and manufacturing and cutting method thereof |
| CN112611264A (en) * | 2020-12-28 | 2021-04-06 | 陕西渭南庆华化工有限公司 | Explosive cutting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111928738B (en) | Composite warhead device with adjustable damage power for killing broken armor | |
| US2494256A (en) | Apparatus for perforating well casings and well walls | |
| CN108731550B (en) | Super energy-gathering linear cutter | |
| CN108759596B (en) | Flexible energy-gathered blasting pipe cutting device and using method thereof | |
| RU2007139023A (en) | SHARING-BEAM ADVERTISING GRANATE "TVERITEKA" | |
| CN105928426A (en) | Horseshoe-shaped energy-concentrating cutter | |
| CN103759602B (en) | A kind of unidirectional propagation of explosion gating element and this element of use realize the method for the unidirectional reliable propagation of explosion at blast networking | |
| CN201225856Y (en) | Detonation tool capable of preventing lightning arresting pipe from desquamation | |
| CN108645296A (en) | A kind of jet flow forming device of strong Magnetic driving | |
| CN205784915U (en) | A kind of shape of a hoof jet cutter | |
| CN206772142U (en) | A kind of double segment composite liner loaded constitution of power-assembling | |
| CN112066814A (en) | Novel high-efficient linear energy-gathering cutting device | |
| CN108867416B (en) | Double-layer flexible explosion circumferential cutting device for large steel bridge cable member | |
| CN104142101B (en) | A kind of explosive composition device for surface mine directional cutting explosion | |
| CN106767215A (en) | A kind of water-jet type destructor based on blast Mohaupt effect destroys device | |
| US20160202027A1 (en) | Linear shaped charge | |
| CN203614083U (en) | Multi-stage pulse directional perforator | |
| CN102538604A (en) | Double-focusing linear jet cutter | |
| CN104034216B (en) | Quick bursting device | |
| CN112302582B (en) | Spacing type high-efficiency perforating device | |
| CN207289228U (en) | A kind of quick wire-electrode cutting device | |
| RU2012141826A (en) | METHOD FOR PROTECTING THE EARTH FROM MASSIVE Asteroids | |
| CN102305058B (en) | Novel synergistic shattering perforation series charging device | |
| CN215064127U (en) | Underwater explosion energy-gathering metal component cutting device | |
| CN113137894A (en) | Energy-containing composite shaped charge liner cutter structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |