CN104457433B - A kind of combination cavity liner - Google Patents
A kind of combination cavity liner Download PDFInfo
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- CN104457433B CN104457433B CN201410577044.0A CN201410577044A CN104457433B CN 104457433 B CN104457433 B CN 104457433B CN 201410577044 A CN201410577044 A CN 201410577044A CN 104457433 B CN104457433 B CN 104457433B
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Abstract
The present invention proposes a kind of combination cavity liner, is made up of main cavity liner, transition cavity liner and secondary cavity liner.Secondary cavity liner is small-angle thin-walled cavity liner, the required height of burst is less, under the support of transition cavity liner and main cavity liner, cover oral area near region does not have obstacle, auxiliary type forms the elongated high-speed jet of form under covering on main charge explosion driving, as the obstacle of pioneer's penetration main cavity liner oral area near region, be that the follow-up penetration of main cavity liner lays the foundation.Main cavity liner is the main body of combination cavity liner, and under the effect of main charge detonation driven, form the projectile that internal speed gradient is little, mass concentration, head sizes are larger, projectile continues penetration forward after again acting on the near region obstacle that Jet Penetration is crossed.Transition cavity liner mainly plays the structural transition connection function between secondary cavity liner and main cavity liner, make the thickness of both coupling parts violent change can not occur, to low-speed jet be formed under the effect of main charge detonation driven, be positioned in the middle of the jet of secondary cavity liner and the projectile of main cavity liner.
Description
Technical field
The present invention relates to a kind of combination cavity liner, the loaded constitution of power-assembling of this combination cavity liner equipped, can realize the efficient penetration to target under little height of burst condition.
Background technology
Cavity liner is the Core Feature element of loaded constitution of power-assembling, and direct relation the Penetration of loaded constitution of power-assembling, current, and cavity liner version is generally divided into monomer cavity liner and combination cavity liner.Monomer cavity liner structure is independent, and machining accuracy is high, and quality conformance is good, and the mechanism forming jet or projectile is more clear, is modal cavity liner version.Combination cavity liner is generally combined by different modes by multiple monomer cavity liner, combination can be divided into Radial Combinations, axially combination and series-parallel connection combination etc., being applicable to extraordinary loaded constitution of power-assembling damage effect being had to specific needs, is one of main development direction of extraordinary loaded constitution of power-assembling cavity liner.Charge constitution adopts monomer cavity liner, and under the little height of burst condition that cavity liner oral area near region exists obstacle, cumulative penetration effect is poor, and main manifestations is that Penetration Depth is shallow, and holes bore is less, is difficult to meet specific instructions for use.
Summary of the invention
The object of the invention is: for meeting the efficient penetration requirement realized under little height of burst condition target, a kind of combination of invention cavity liner, the loaded constitution of power-assembling of this combination cavity liner equipped, can improve penetration hole depth, increases penetration hole bore.
Technical scheme of the present invention is:
Described one combination cavity liner, is characterized in that: be made up of main cavity liner, transition cavity liner and secondary cavity liner; Combination is the axially combination of coaxial line lamination;
Described main cavity liner is positioned at combination cavity liner foot, and main cavity liner is variable curvature Uneven thickness cover, covers top place wall thickness and cover oral area wall is thin; Main cavity liner radius of curvature is greater than transition cavity liner radius of curvature; Main cavity liner cover top place has main cavity liner through hole, described main cavity liner through hole by two different-diameters and the hole of coaxial line combine, for installing transition cavity liner;
Described transition cavity liner is between main cavity liner and secondary cavity liner, and transition cavity liner is variable curvature Uneven thickness cover, the thin and cover oral area wall thickness of cover top place wall; Transition cavity liner cover top place has transition cavity liner through hole, for installing secondary cavity liner; Transition cavity liner cover oral area outer rim is cylindric, for being connected with main cavity liner through hole;
Described secondary cavity liner is positioned at combination cavity liner topmost, secondary cavity liner is for waiting wall thickness conical liner, secondary cavity liner cover wall wall thickness is not more than the cover wall wall thickness of transition cavity liner and main cavity liner, secondary cavity liner cover top is circular arc, cover oral area outer rim is cylindric, for being connected with transition cavity liner through hole.
Beneficial effect
The invention has the beneficial effects as follows: the secondary cavity liner of combination cavity liner is small-angle thin-walled cavity liner, the required height of burst is less, under the support of transition cavity liner and main cavity liner, cover oral area near region does not have obstacle, auxiliary type forms the elongated high-speed jet of form under covering on main charge explosion driving, as the obstacle of pioneer's penetration main cavity liner oral area near region, be that the follow-up penetration of main cavity liner lays the foundation.Main cavity liner is the main body of combination cavity liner, the projectile that internal speed gradient is little, mass concentration, head sizes are larger is formed under the effect of main charge detonation driven, but its speed lower than secondary cavity liner and transition Types of Medicine hood-shaped become jet, projectile continues penetration forward after again acting on the near region obstacle that Jet Penetration is crossed.Transition cavity liner mainly plays the structural transition connection function between secondary cavity liner and main cavity liner, make the thickness of both coupling parts violent change can not occur, to low-speed jet be formed under the effect of main charge detonation driven, be positioned in the middle of the jet of secondary cavity liner and the projectile of main cavity liner.
Accompanying drawing explanation
Fig. 1 is the combination cavity liner sectional front view that the present invention proposes.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is main cavity liner sectional front view.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is transition cavity liner sectional front view.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is secondary cavity liner sectional front view.
Fig. 8 is the top view of Fig. 7.
In figure: 1. main cavity liner, 2. transition cavity liner, 3. secondary cavity liner.
Detailed description of the invention
Now the invention will be further described with specific embodiment by reference to the accompanying drawings:
Adopt the combination cavity liner of axial combination, for topology layout and the mechanical characteristic of different target, need to mate the detonation wave profile acted on each monomer cavity liner and energy, the state each monomer cavity liner being formed to jet or projectile accurately controls, the jet that multiple monomer cavity liner is formed or the superposition of spotting penetration effect, produce the damage effectiveness preset, such Penetration is equivalent to tandem follow-through warhead, but do not need the main charge designing tandem follow-through warhead, secondary powder charge, the parts such as dividing plate, also comparatively tandem follow-through warhead is simple for version.
Consult Fig. 1, Fig. 2, combination cavity liner is combined by main cavity liner, transition cavity liner and secondary cavity liner, and combination is axially combination, and 3 monomer cavity liner coaxial line laminations are stacked, and utilize axle-hole principle to connect mutually.
Main cavity liner is positioned at combination cavity liner foot, and main cavity liner is variable curvature Uneven thickness cover, covers top place wall thickness and cover oral area wall is thin; Main cavity liner radius of curvature is greater than transition cavity liner radius of curvature; Main cavity liner cover top place has main cavity liner through hole, described main cavity liner through hole by two different-diameters and the hole of coaxial line combine, stepped.For installing transition cavity liner.
Transition cavity liner is between main cavity liner and secondary cavity liner, and transition cavity liner is variable curvature Uneven thickness cover, the thin and cover oral area wall thickness of cover top place wall; Transition cavity liner cover top place has transition cavity liner through hole, for installing secondary cavity liner; Transition cavity liner cover oral area outer rim is cylindric, for being connected with main cavity liner through hole, thus is connected with main cavity liner by transition cavity liner.
Described secondary cavity liner is positioned at combination cavity liner topmost, and secondary cavity liner is for waiting wall thickness conical liner, and secondary cavity liner cover wall wall thickness is not more than the cover wall wall thickness of transition cavity liner and main cavity liner, and the cover cone angle of secondary cavity liner is also minimum.Secondary cavity liner cover top is circular arc, and cover oral area outer rim is cylindric, for being connected with transition cavity liner through hole, thus is connected with transition cavity liner by secondary cavity liner.
This combination cavity liner is applied on loaded constitution of power-assembling, and auxiliary type forms high-speed jet under covering on main charge explosion driving, as pioneer's penetration top guide section, for follow-up penetration lays the foundation.Transition Types of Medicine form low-speed jet under covering on main charge explosion driving, trail the high-speed jet penetration forward of secondary cavity liner.Main cavity liner is as the main body of combination cavity liner, and after formation projectile acts on again to the top guide section processed crossed through Jet Penetration, penetration target, completes demolition duty.
Consult Fig. 3, Fig. 4, in the present embodiment, main cavity liner material is T2 red copper, cover top place wall thickness 5.2mm, cover oral area wall thickness 2.5mm, and cover oral area internal diameter 85.0mm, covers high 28.3mm, cover top place perforate, aperture 22.2mm.
Consult Fig. 5, Fig. 6, in the present embodiment, transition cavity liner material is T2 red copper, cover top place wall thickness 2.5mm, cover oral area wall thickness 1.5mm, and cover oral area internal diameter 20.2mm, covers high 7.9mm, cover top place perforate, aperture 14.9mm.
Consult Fig. 7, Fig. 8, in the present embodiment, secondary cavity liner material is T2 red copper, cover cone angle 600, wall thickness 1.5mm, and cover oral area internal diameter 13.3mm, covers high 11.6mm, cover top arc radius 2.9mm.
Claims (1)
1. combine a cavity liner, it is characterized in that: be made up of main cavity liner, transition cavity liner and secondary cavity liner; Combination
Mode is the axially combination of coaxial line lamination;
Described main cavity liner is positioned at combination cavity liner foot, and main cavity liner is variable curvature Uneven thickness cover, covers top place wall thickness and cover oral area wall is thin; Main cavity liner radius of curvature is greater than transition cavity liner radius of curvature; Main cavity liner cover top place has main cavity liner through hole, described main cavity liner through hole by two different-diameters and the hole of coaxial line combine, for installing transition cavity liner;
Described transition cavity liner is between main cavity liner and secondary cavity liner, and transition cavity liner is variable curvature Uneven thickness cover, the thin and cover oral area wall thickness of cover top place wall; Transition cavity liner cover top place has transition cavity liner through hole, for installing secondary cavity liner; Transition cavity liner cover oral area outer rim is cylindric, for being connected with main cavity liner through hole;
Described secondary cavity liner is positioned at combination cavity liner topmost, secondary cavity liner is for waiting wall thickness conical liner, secondary cavity liner cover wall wall thickness is not more than the cover wall wall thickness of transition cavity liner and main cavity liner, secondary cavity liner cover top is circular arc, cover oral area outer rim is cylindric, for being connected with transition cavity liner through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577044.0A CN104457433B (en) | 2014-10-24 | 2014-10-24 | A kind of combination cavity liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410577044.0A CN104457433B (en) | 2014-10-24 | 2014-10-24 | A kind of combination cavity liner |
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| Publication Number | Publication Date |
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| CN104457433A CN104457433A (en) | 2015-03-25 |
| CN104457433B true CN104457433B (en) | 2016-02-24 |
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| CN201410577044.0A Active CN104457433B (en) | 2014-10-24 | 2014-10-24 | A kind of combination cavity liner |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106424718B (en) * | 2016-10-31 | 2018-07-31 | 北京科技大学 | A kind of mold and forming method of machine-shaping titanium aluminium base alloy cavity liner |
| CN113210607B (en) * | 2021-03-16 | 2022-12-02 | 南京工业职业技术大学 | Auxiliary material, composite shaped charge liner containing auxiliary material and preparation method of composite shaped charge liner |
| CN113503775B (en) * | 2021-07-22 | 2022-03-18 | 北京理工大学 | Shaped charge structure capable of forming active and metal dual-projectile follow-up |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2488389B1 (en) * | 1980-08-06 | 1986-04-25 | Serat | IMPROVEMENTS ON HOLLOW CHARGES |
| DE3622680A1 (en) * | 1986-07-05 | 1988-01-14 | Diehl Gmbh & Co | CYLINDRICAL CHARGE WITH A TULIP-SHAPED INSERT |
| DE3722024A1 (en) * | 1987-07-03 | 1989-01-12 | Rheinmetall Gmbh | INSERT FOR A HEAD OF WAR |
| US20030183113A1 (en) * | 2002-03-12 | 2003-10-02 | Barlow Darren R. | Shaped-charge liner with precursor liner |
| US6840178B2 (en) * | 2003-02-21 | 2005-01-11 | Titan Specialties, Ltd. | Shaped charge liner |
| JP2010169318A (en) * | 2009-01-23 | 2010-08-05 | Ihi Aerospace Co Ltd | Molded explosive charge warhead and tandem warhead using the same |
| CN103696743A (en) * | 2013-12-02 | 2014-04-02 | 北方斯伦贝谢油田技术（西安）有限公司 | Catridge shape cover, perforating bullet shell and ultra-deep penetrating perforating bullet |
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