CN109163621A - A kind of loaded constitution of power-assembling can be realized the flight of EFP spin stabilization - Google Patents
A kind of loaded constitution of power-assembling can be realized the flight of EFP spin stabilization Download PDFInfo
- Publication number
- CN109163621A CN109163621A CN201811080891.0A CN201811080891A CN109163621A CN 109163621 A CN109163621 A CN 109163621A CN 201811080891 A CN201811080891 A CN 201811080891A CN 109163621 A CN109163621 A CN 109163621A
- Authority
- CN
- China
- Prior art keywords
- dome
- column type
- cavity liner
- efp
- charge shell
- 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
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
Abstract
The invention discloses a kind of loaded constitution of power-assembling that can be realized the flight of EFP spin stabilization, including the column type charge shell for loading explosive, column type charge shell outer surface is provided in the axial direction with several spiral grooves, the column type charge shell open rearward end, column type explosive is filled in column type charge shell, dome-type cavity liner is equipped in the open end of column type charge shell, towards inside column type charge shell, the rear end of cylindricality explosive is bonded the spherical surface of dome-type cavity liner completely with the spherical surface of dome-type cavity liner；The concave surface of dome-type cavity liner is fitted with several arc aluminium alloy patches in spiral distribution, one end of arc aluminium alloy patch is located at the concave surface outer of semi-spherical liner, and the other end of arc aluminium alloy patch is located at one round hole of composition between the concave surface front end and the other end of several arc aluminium alloy patches of dome-type cavity liner.Compared with prior art, the remote stabilized flight of EFP trajectory collimation can be achieved in the present invention, realizes EFP to the precision strike index of remote object.
Description
Technical field
The present invention relates to band empennages to rotate EFP technical field, especially a kind of to can be realized the poly- of EFP spin stabilization flight
It can charge constitution.
Background technique
Explosive formation projectiles (EFP) play an important role in Terminal munition weapon system, and future war requires EFP fight
Portion's system can play a role in farther distance again, therefore the requirement to the flight stability of EFP is higher and higher.Therefore compel to be essential
One kind is wanted to can be realized remote (> 100m) stabilized flight, the EFP technology of trajectory collimation, but presently disclosed empennage rotates EFP
There is no techniques in technology.
Summary of the invention
The invention aims to solve the deficiencies in the prior art, providing one kind can be realized EFP spin stabilization
The loaded constitution of power-assembling of flight provides spin stabilization torque for EFP and then realizes flight stability under the action of air drag.
In order to achieve the above objectives, the present invention is implemented according to following technical scheme:
A kind of loaded constitution of power-assembling can be realized the flight of EFP spin stabilization, including the column type powder charge for loading explosive
Shell, column type charge shell outer surface are provided in the axial direction with several spiral grooves, and column type charge shell rear end is opened
Mouthful, it is filled with column type explosive in column type charge shell, dome-type cavity liner is equipped in the open end of the column type charge shell, partly
The spherical surface of ball-type cavity liner towards inside column type charge shell, paste completely with the spherical surface of dome-type cavity liner by the rear end of cylindricality explosive
It closes；The concave surface of dome-type cavity liner is fitted with several arc aluminium alloy patches in spiral distribution, and the one of arc aluminium alloy patch
End is located at the concave surface outer of semi-spherical liner, and the other end of arc aluminium alloy patch is located at the concave surface front end of dome-type cavity liner
And a round hole is constituted between the other end of several arc aluminium alloy patches.
Further, the section of the spiral groove is rectangle.
Further, the hand of spiral of the spiral groove is left or right rotation.
When explosive charge, cavity liner and gasket form fold-type spiral empennage under the action of explosive detonation pressure；Simultaneously
Change the regularity of distribution that detonation wave acts on cavity liner by column type charge shell outer surface spiral groove to adjust EFP axial direction
Initial speed, two kinds of effect superpositions, makes explosive formation projectiles have initial speed, under air drag effect, realizes that spin is steady
Fixed flight.
Compared with prior art, the remote stabilized flight of EFP trajectory collimation can be achieved in the present invention, realizes EFP to long-range
The precision strike index of target.
Detailed description of the invention
Fig. 1 is cross-sectional view of the invention.
Fig. 2 is the main view of column type charge shell of the invention.
Fig. 3 is the bottom view of column type charge shell of the invention.
Fig. 4 is top view of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, below in conjunction with drawings and examples, to this
Invention is described in further detail.Described herein the specific embodiments are only for explaining the present invention, is not used to limit
Invention.
As shown in Figs 1-4, a kind of loaded constitution of power-assembling can be realized the flight of EFP spin stabilization of the present embodiment, including
For loading the column type charge shell 3 of explosive, 3 outer surface of column type charge shell is provided in the axial direction with several spiral grooves
31, in the present embodiment, the section of spiral groove 31 is rectangle, and the hand of spiral of spiral groove 31 is dextrorotation, the column as shown in figure 1
The rear end of 3 open rearward end of type charge shell, cylindricality explosive 1 is bonded completely with the spherical surface of dome-type cavity liner 2；Dome-type cavity liner
2 concave surface is fitted with several arc aluminium alloy patches 4 in spiral distribution, and one end of arc aluminium alloy patch 4 is located at hemispherical
The concave surface outer of cavity liner 2, the other end of arc aluminium alloy patch 4 are located at the concave surface front end of dome-type cavity liner 2 and several arcs
A round hole 41 is constituted between the other end of shape aluminium alloy patch 4；As shown in figure 4, arc aluminium alloy patch 4 is equipped with the first circle
Arc 401, the second circular arc 402, third circular arc 403 and the 4th circular arc 404, the outer circle of the first circular arc 401 and dome-type cavity liner 2
The radius for being overlapped i.e. the first circular arc 401 is identical as the radius of semi-spherical liner 2, and third circular arc 403 is overlapped i.e. with round hole 41
The radius of third circular arc 403 is identical as the radius of round hole 41.
As shown in Figure 1, column type explosive 1 uses center point initiation, propagated with the spherical surface detonation wave of dome-type cavity liner 2, column
Detonation wave is propagated along the hand of spiral of spiral groove 31 at 3 inner wall of type charge shell, the spherical surface detonation wave of dome-type cavity liner 2
Circumferential component is generated at 3 inner wall edge of column type charge shell, forms the momentum that rotates in a circumferential direction；Detonation wave after decomposition is with axial direction
When acting on 2 inner surface of dome-type cavity liner (spherical surface) with the form of circumferential component, EFP, which is obtained, is axially moved momentum and circumferential turn
Impetus, dome-type cavity liner 2 is circumferential to accelerate rotation；Stress wave, stress are generated when detonation wave acts on dome-type cavity liner 2
Wave (compressional wave) propagates to outer surface, 2 outer surface of dome-type cavity liner (concave surface) and arc-shaped aluminum from 2 inner surface of dome-type cavity liner
Alloy patch 4 fits closely, and stress wave reflects on 4 surface of arc aluminium alloy patch, due to ρ copper c copper > ρ aluminium c aluminium, reflection
Pressure is the compression wave interaction of subsequent follow-up in compressional wave, with dome-type cavity liner 2, and slow dome-type cavity liner 2 crushes speed
Degree.In the position that 2 inner surface of dome-type cavity liner is not contacted with arc aluminium alloy patch 4, stress wave is in dome-type cavity liner 2
Reflection and transmission occur for surface (scope of freedom), and back wave is smaller to wave interference effect is compressed in dome-type cavity liner 2, have no effect on
2 collapse velocity of dome-type cavity liner；Since arc aluminium alloy patch 4 uses strip helical arrangement, in EFP forming process, arc
Shape aluminium alloy patch 4 is low with the axial collapse velocity of 2 mass of dome-type cavity liner at 2 inner surface contact position of dome-type cavity liner
The 2 mass collapse velocity of dome-type cavity liner at the scope of freedom forms spiral fold type tail at 2 cover mouth of dome-type cavity liner；
When explosive charge, being formed in 4 two kinds of effect lower half ball-type cavity liners 2 of column type charge shell 3 and arc aluminium alloy patch has just
Beginning revolving speed has spiral empennage EFP.
Under air drag effect, spiral empennage generates spin stabilization torque, is conducive to EFP spin and accelerates, guarantees trajectory
Collimation stabilized flight, to realize remote precision strike tactics index.
The limitation that technical solution of the present invention is not limited to the above specific embodiments, it is all to do according to the technique and scheme of the present invention
Technology deformation out, falls within the scope of protection of the present invention.
Claims (3)
1. a kind of loaded constitution of power-assembling that can be realized the flight of EFP spin stabilization, including the column type powder charge shell for loading explosive
Body, it is characterised in that: column type charge shell outer surface is provided in the axial direction with several spiral grooves, the column type powder charge shell
Body open rearward end is filled with column type explosive in column type charge shell, is equipped with dome-type in the open end of the column type charge shell
Cavity liner, the spherical surface of dome-type cavity liner towards inside column type charge shell, the rear end of cylindricality explosive and dome-type cavity liner
Spherical surface is bonded completely；The concave surface of dome-type cavity liner is fitted with several arc aluminium alloy patches in spiral distribution, and arc-shaped aluminum closes
One end of golden patch is located at the concave surface outer of semi-spherical liner, and the other end of arc aluminium alloy patch is located at dome-type cavity liner
Concave surface front end and the other end of several arc aluminium alloy patches between constitute a round hole.
2. the loaded constitution of power-assembling according to claim 1 that can be realized the flight of EFP spin stabilization, it is characterised in that: institute
The section for stating spiral groove is rectangle.
3. the loaded constitution of power-assembling according to claim 1 that can be realized the flight of EFP spin stabilization, it is characterised in that: institute
The hand of spiral for stating spiral groove is left or right rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080891.0A CN109163621B (en) | 2018-09-17 | 2018-09-17 | Can realize that EFP rotational stabilization flies gather can charge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080891.0A CN109163621B (en) | 2018-09-17 | 2018-09-17 | Can realize that EFP rotational stabilization flies gather can charge structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109163621A true CN109163621A (en) | 2019-01-08 |
| CN109163621B CN109163621B (en) | 2022-04-01 |
Family
ID=64879367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080891.0A Active CN109163621B (en) | 2018-09-17 | 2018-09-17 | Can realize that EFP rotational stabilization flies gather can charge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163621B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375595A (en) * | 2019-05-15 | 2019-10-25 | 中国人民解放军陆军工程大学 | A kind of jetting gun type explosively formed projectile ammunition |
| CN113607005A (en) * | 2021-07-22 | 2021-11-05 | 北京理工大学 | Can form gradient activation activity and invade shaped charge structure of exploding body of rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5925845A (en) * | 1997-08-01 | 1999-07-20 | Alliant Techsystems Inc. | Shoot-through cover for an explosively formed penetrator warhead |
| DE10221759A1 (en) * | 2002-05-16 | 2003-12-04 | Diehl Munitionssysteme Gmbh | warhead |
| JP2005090782A (en) * | 2003-09-12 | 2005-04-07 | Daikin Ind Ltd | Efp warhead |
| CN101427097A (en) * | 2006-03-04 | 2009-05-06 | 奥尔福德研究有限公司 | An explosive charge |
| CN205175257U (en) * | 2015-11-17 | 2016-04-20 | 山西江阳工程爆破有限公司 | Blasting loaded constitution in water hole |
-
2018
- 2018-09-17 CN CN201811080891.0A patent/CN109163621B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5925845A (en) * | 1997-08-01 | 1999-07-20 | Alliant Techsystems Inc. | Shoot-through cover for an explosively formed penetrator warhead |
| DE10221759A1 (en) * | 2002-05-16 | 2003-12-04 | Diehl Munitionssysteme Gmbh | warhead |
| JP2005090782A (en) * | 2003-09-12 | 2005-04-07 | Daikin Ind Ltd | Efp warhead |
| CN101427097A (en) * | 2006-03-04 | 2009-05-06 | 奥尔福德研究有限公司 | An explosive charge |
| CN205175257U (en) * | 2015-11-17 | 2016-04-20 | 山西江阳工程爆破有限公司 | Blasting loaded constitution in water hole |
Non-Patent Citations (1)
| Title |
|---|
| 左振英等: "贴片球缺药型罩成型斜置尾翼EFP", 《弹道学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375595A (en) * | 2019-05-15 | 2019-10-25 | 中国人民解放军陆军工程大学 | A kind of jetting gun type explosively formed projectile ammunition |
| CN113607005A (en) * | 2021-07-22 | 2021-11-05 | 北京理工大学 | Can form gradient activation activity and invade shaped charge structure of exploding body of rod |
| CN113607005B (en) * | 2021-07-22 | 2022-04-15 | 北京理工大学 | Can form gradient activation activity and invade shaped charge structure of exploding body of rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109163621B (en) | 2022-04-01 |
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