CN109579642A - Integral type high overload air bubble impacts shell - Google Patents
Integral type high overload air bubble impacts shell Download PDFInfo
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- CN109579642A CN109579642A CN201811446574.6A CN201811446574A CN109579642A CN 109579642 A CN109579642 A CN 109579642A CN 201811446574 A CN201811446574 A CN 201811446574A CN 109579642 A CN109579642 A CN 109579642A
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- shell
- cylindricality
- air bubble
- bullet
- integral type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B35/00—Testing or checking of ammunition
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Dampers (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to a kind of integral type high overload air bubbles to impact shell, it is characterized in that: including cylindricality bullet, cylindricality body and shell, the cylindricality bullet and cylindricality body are affixed, and cylindricality body and cylindrical section bullet periphery are coated with shell, and are integrally formed formula overall structure.The utility model has the advantages that the present invention uses unitary design, solve shell eccentric, rotation, deformation, the problems such as leakproofness is poor in high acceleration shock test, effectively improve the impact resistance of air bubble shell, the air bubble impact test of 20000g or more can be carried out using 5kg grades of the type air bubble shells, and it can repeatedly use, it substantially avoided the case where shell is replaced in test in the process, save experimentation cost, while high-magnitude demand can be met.
Description
Technical field
The invention belongs to machinery fields more particularly to a kind of integral type high overload air bubble to impact shell.
Background technique
Air bubble pilot system is that the high pressure gas of gunpowder explosion generation is replaced to complete to big gun by using compressed air
The acceleration of bullet, to realize the impact acceleration of high-magnitude.It is tried to obtain rocket, guided missile in higher amount grade ballistics environment
Performance parameter in testing generally carries out high overload simulation test using air bubble pilot system.
The magnitude of many test requirements document impact tests reaches 15000g or more at present, wherein many electronic components require
20000g.Increasing in view of the magnitude of current air bubble impact test, shell needs to bear huge in high overload impact process
Big energy.The impact force to shell itself during the unbearable test of traditional separate round.It is rushed in high overload
Easily occur the problems such as eccentric, rotation, deformation, leakproofness is poor during hitting, cause shell that can not recycle automatically after one-shot,
Substantially reduce test efficiency.
In order to meet the impact test requirement of 15000g or more, it would be highly desirable to research and develop a kind of increase anti-rotation, anti-dropout, slight drag
And the novel impact shell of vibration damping, with this come the problem easy when solving high-magnitude impact test, overcome due to shell is eccentric,
Rotation, deformation, the problems such as leakproofness is poor brought experimentation cost increase, and achieve the purpose that improve test efficiency and ability.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, and provide a kind of integral type high overload air bubbles to impact shell,
When solving high acceleration shock test, easily there is the problems such as eccentric, rotation, deformation, leakproofness is poor in shell.
The present invention to achieve the above object, is achieved through the following technical solutions, a kind of integral type high overload air bubble impact
Shell, it is characterized in that: including cylindricality bullet, cylindricality body and shell, the cylindricality bullet and cylindricality body are affixed, cylindricality body
It is coated with shell with cylindrical section bullet periphery, and is integrally formed formula overall structure.
The cylindricality bullet is made of metal material, the arc-shaped face in end upper surface.
The cylindricality body is made of metal material, and cylindricality body lengthwise cross section shape is in the shape of an " I ", and upper end is equipped with
Stepped anticreep platform is radially provided with several connecting holes on cylindricality body intermediate cylindrical.
The shell uses PU urethane rubber materials, is poured by mold by cylindricality body and cylindrical section bullet cladding
It is integrally formed formula overall structure, PU polyurethane rubber is full of in the stepped anticreep platform and connecting hole of cylindricality body.
The housing bottom is equipped with resilient cushion.
The utility model has the advantages that compared with prior art, the present invention uses unitary design, solves shell in high acceleration shock
Eccentric when test, rotation, deformation, the problems such as leakproofness is poor, effectively improve the impact resistance of air bubble shell, use
5kg grades of the type air bubble shells can carry out the air bubble impact test of 20000g or more, and can repeatedly use, substantially
The case where shell is replaced in test in the process is avoided, saves experimentation cost, while high-magnitude demand can be met.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the present invention in air bubble impact test application schematic diagram.
In figure: 1. cylindricality bullets, 2. anticreep platforms, 3. cylindricality bodies, 4. connecting holes, 5 shells, 6. resilient cushions, 7. impact big guns
Bullet, 8. guiding gun barrels, 9. gas chambers, 10. air bubble pedestals.
Specific embodiment
In conjunction with the preferred embodiment, to the specific embodiment provided according to the present invention, details are as follows:
It is detailed in attached drawing 1-2, present embodiment discloses a kind of integral type high overload air bubbles to impact shell, including cylindricality bullet
1, cylindricality body 3 and shell 5, the cylindricality bullet and cylindricality body are affixed, cylindricality body and cylindrical section bullet periphery cladding
There is shell, and is integrally formed formula overall structure.The housing bottom is equipped with resilient cushion 6, and the resilient cushion 6 of shell rear end face can reduce
The reverse impact of body is acted on when shell is fallen after rise, increases the service life of shell.
The preferred embodiment of the present embodiment is: the cylindricality bullet is made of metal material, and end upper surface is arc-shaped
Face.Cylindricality bullet is impact main body, is located at projectile nose position, air drag when impact is reduced, simultaneously because shell and platform
Face contact area is less, Yi Shixian high-magnitude impact test.
The preferred embodiment of the present embodiment is: the cylindricality body is made of metal material, cylindricality body lengthwise cross section shape
Shape is in the shape of an " I ", and upper end is equipped with stepped anticreep platform 2, is radially provided with several connecting holes 4 on cylindricality body intermediate cylindrical, this
Embodiment is 3 connecting holes.
The preferred embodiment of the present embodiment is: the shell uses PU urethane rubber materials, is poured by mold by cylindricality
Body and cylindrical section bullet cladding are integrally formed formula overall structure, and PU polyurethane rubber is full of the stepped anticreep of cylindricality body
In platform and connecting hole.Anticreep platform uses multistage design, prevent repeat impact cause cylindricality body and PU polyurethane rubber shell it
Between isolate and fall off；Connecting hole prevents the mutual rotation between cylindricality body and PU polyurethane rubber shell, before guaranteeing shell impact
Stability afterwards；Shell uses PU polyurethane rubber shell, can avoid the friction between cylindricality body and gun barrel inner cavity, while can
To guarantee the leakproofness of shell Yu gun barrel inner cavity.Anticreep platform, cylindricality body and PU polyurethane rubber casing integrated with body are cast, and are had
The features such as anti-separation deformation, anti-rotation, while having many advantages, such as that small resistance, antifriction, leakproofness and damping effect are good.
The type air bubble shell can bear to realize big magnitude (20000g or more) high overload simulation compared with high thrust (pressure)
Impact test, and without repairing or replacing shell, it can repeatedly use, test efficiency is greatly improved.
Shell own wt can be adjusted by adjusting the ratio of cylindricality body and PU polyurethane rubber shell, pass through tune
Whole own wt can realize a variety of magnitude impact tests, avoid own limitations.
The course of work
As shown in figure 3, impact shell is packed into gun barrel inner cavity first, PU polyurethane rubber shell directly connects with gun barrel inner wall
Touching keeps leakproofness, when carrying out air bubble impact test, by releasing stress gas, making shell column to after 9 pressurising of gas chamber
Shape ballistic impact tests table top, obtains high-magnitude acceleration, wherein anticreep platform prevents separation deformation, and connecting hole prevents body from turning
Dynamic, subsequent shell is recycled to gun barrel bottom automatically, and resilient cushion mitigates reverse impact effect, repeatedly, can repeatedly carry out air
Big gun impact test.
Raw material of the invention are bought for market.
Above-mentioned reference embodiment is illustrative to a kind of detailed description of integral type high overload air bubble impact shell
Without being restrictive, several embodiments can be enumerated according to limited range, therefore do not departing from present general inventive concept
Under change and modification, should belong within protection scope of the present invention.
Claims (5)
1. a kind of integral type high overload air bubble impacts shell, it is characterized in that: including cylindricality bullet, cylindricality body and shell, institute
It states cylindricality bullet and cylindricality body is affixed, cylindricality body and cylindrical section bullet periphery are coated with shell, and it is whole to be integrally formed formula
Body structure.
2. integral type high overload air bubble according to claim 1 impacts shell, it is characterized in that: the cylindricality bullet uses
Metal material is made, the arc-shaped face in end upper surface.
3. integral type high overload air bubble according to claim 1 impacts shell, it is characterized in that: the cylindricality body uses
Metal material is made, and cylindricality body lengthwise cross section shape is in the shape of an " I ", and upper end is equipped with stepped anticreep platform, among cylindricality body
Several connecting holes are radially provided on cylinder.
4. integral type high overload air bubble according to claim 1 impacts shell, it is characterized in that: the shell is poly- using PU
Urethane rubber material, is poured by mold cylindricality body and cylindrical section bullet cladding being integrally formed formula overall structure, and PU is poly-
Urethane rubber is full of in the stepped anticreep platform and connecting hole of cylindricality body.
5. integral type high overload air bubble according to claim 1 or 4 impacts shell, it is characterized in that: the housing bottom
Equipped with resilient cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446574.6A CN109579642B (en) | 2018-11-29 | 2018-11-29 | Integrated high overload air cannon impact shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446574.6A CN109579642B (en) | 2018-11-29 | 2018-11-29 | Integrated high overload air cannon impact shell |
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| Publication Number | Publication Date |
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| CN109579642A true CN109579642A (en) | 2019-04-05 |
| CN109579642B CN109579642B (en) | 2023-09-22 |
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| CN201811446574.6A Active CN109579642B (en) | 2018-11-29 | 2018-11-29 | Integrated high overload air cannon impact shell |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458104A (en) * | 2020-05-27 | 2020-07-28 | 北京机械设备研究所 | Reusable ejection simulation load and manufacturing method thereof |
| CN111649630A (en) * | 2020-05-25 | 2020-09-11 | 南京理工大学 | Bullet bottom construction with reduce and fall impact function |
| CN116736026A (en) * | 2023-08-14 | 2023-09-12 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for constructing ultrahigh overload assessment environment by utilizing secondary light air cannon launching process |
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| US4712465A (en) * | 1986-08-28 | 1987-12-15 | The Boeing Company | Dual purpose gun barrel for spin stabilized or fin stabilized projectiles and gun launched rockets |
| CN1254828A (en) * | 1999-06-10 | 2000-05-31 | 谢蕴 | Grenade |
| US20070089629A1 (en) * | 2005-10-21 | 2007-04-26 | Marx Pj | Firearms projectile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649630A (en) * | 2020-05-25 | 2020-09-11 | 南京理工大学 | Bullet bottom construction with reduce and fall impact function |
| CN111458104A (en) * | 2020-05-27 | 2020-07-28 | 北京机械设备研究所 | Reusable ejection simulation load and manufacturing method thereof |
| CN116736026A (en) * | 2023-08-14 | 2023-09-12 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for constructing ultrahigh overload assessment environment by utilizing secondary light air cannon launching process |
| CN116736026B (en) * | 2023-08-14 | 2023-10-10 | 中国空气动力研究与发展中心超高速空气动力研究所 | Method for constructing ultrahigh overload assessment environment by utilizing secondary light air cannon launching process |
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| Publication number | Publication date |
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| CN109579642B (en) | 2023-09-22 |
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