CN113959276B - Gas ejection multi-cartridge separation device capable of preventing chamber explosion - Google Patents
Gas ejection multi-cartridge separation device capable of preventing chamber explosion Download PDFInfo
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- CN113959276B CN113959276B CN202111203933.7A CN202111203933A CN113959276B CN 113959276 B CN113959276 B CN 113959276B CN 202111203933 A CN202111203933 A CN 202111203933A CN 113959276 B CN113959276 B CN 113959276B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
- F42B12/56—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information for dispensing discrete solid bodies
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Abstract
The invention provides a gas ejection multi-bullet separating device capable of preventing bore explosion, which comprises a mother bullet, a separating device and a gas discharge and guide device, wherein a first support is arranged in the mother bullet, the circumferential direction of the first support is divided into a plurality of accommodating spaces by a support plate, and the accommodating spaces are used for accommodating bullets. The separating device comprises a normal unlocking state and a fault unlocking state, and is provided with a guide rail and a driving assembly, the bullet can be arranged on the guide rail through a sliding block in a sliding way, and when the driving assembly ignites under the normal unlocking state, the driving assembly can drive the sliding block to move on the guide rail so as to eject the bullet. When the driving assembly is ignited under the condition that a fault is not unlocked, airflow generated by the ignition of the driving assembly is discharged through the gas discharge guide device so as to prevent chamber explosion.
Description
Technical Field
The invention relates to the technical field of aircraft launching separation structure design, in particular to a gas ejection multi-bullet separation device capable of preventing chamber explosion.
Background
In order to realize remote striking outside a defense area, fill up the blank of the rejection capability of a remote quick area and form an asymmetric combat advantage, carrying a plurality of bullets by a mother bullet to carry out opportunistic throwing is one of key technologies for realizing a combat mode combining distant and close range maneuvering cross-domain striking, cross-domain interception and cross-domain coordination. Under the high-altitude complex and smooth condition, the multi-bullet separating device is the key for successfully separating the mother bullet from the bullet.
When the embedded retreating type multi-bullet high-speed separation technology is adopted, the bullet moves along the guide rail on the separation device fixedly connected with the mother bullet under the ejection force action of the ejector, and the rear, middle and front three hangers are separated from the guide rail on the separation device in sequence. Under normal conditions, after receiving the separation instruction, the formula gas ejection separation process is retreated in the embedding: unlocking the explosive bolt in the bullet fixing device → igniting the gas generator → ejecting the bullet from the mother bullet. When an explosion bolt in one of the bullet fixing devices breaks down, after the gas generator is ignited according to a separation time sequence, the pressure is rapidly increased because the volume of the low-pressure chamber cannot be increased, and at the moment, if the gas flow of the low-pressure chamber is not led out, when the pressure exceeds the limit bearing pressure of the low-pressure chamber shell, the explosion happens, so that a mother bullet and a bullet which is not shot are damaged, and finally, the flight test fails.
In the search of the prior art, the problem that the chamber explosion caused by the failure of the explosive bolt can be solved by the related technology is not found, and a novel gas ejection multi-cartridge separation device which is applied to embedded retreating type multi-cartridge separation and can prevent the chamber explosion is urgently needed to be provided.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a gas ejection multi-cartridge separation device capable of preventing a chamber from being exploded.
The invention provides a gas ejection multi-cartridge separation device capable of preventing a bore from being exploded, which comprises:
the female bullet is internally provided with a first support, the circumferential direction of the first support is divided into a plurality of accommodating spaces by the support plate, and the accommodating spaces are used for accommodating bullets;
the separation device comprises a normal unlocking state and a fault non-unlocking state, and is provided with a guide rail and a driving assembly, the bullet can be slidably mounted on the guide rail through a sliding block arranged on the bullet, and when the driving assembly is ignited in the normal unlocking state, the driving assembly can drive the sliding block to move on the guide rail so as to eject the bullet;
and the gas discharge and guide device is connected with the driving assembly, and when the driving assembly is ignited under the condition that the fault is not unlocked, the gas flow generated by the ignition of the driving assembly is discharged through the gas discharge and guide device so as to prevent the chamber explosion.
Preferably, the driving assembly comprises a thrust plate, a lifting rod, a gas generator, a bullet fixing device, a first cavity and a second cavity;
the thrust plate and the gas generator are respectively arranged in the first cavity and the second cavity and are connected through the lifting rod, the bullet fixing device is connected with the thrust plate, a high-pressure chamber is arranged in the gas generator, and a low-pressure chamber is formed in the space of one side, facing the thrust plate, of the gas generator in the second cavity;
under the normal unlocking state, the connection between the fixed bullet device and the thrust plate is disconnected, and when the high-pressure chamber is ignited, the internal airflow can be sprayed into the low-pressure chamber so as to drive the gas generator to drive the thrust plate to push the sliding block to move through the lifting rod.
Preferably, the gas discharge and guide device comprises a gas discharge and guide main pipe, a gas discharge and guide branch pipe, a one-way check valve and a gas pressure relief assembly;
one end of the gas exhaust and guide branch pipe is connected with the gas exhaust and guide main pipe through a one-way check valve, and the other end of the gas exhaust and guide branch pipe is separated from the low-pressure chamber through a gas pressure relief assembly.
Preferably, the gas pressure relief assembly comprises a metal expansion rupture membrane and a sealing ring, the metal expansion rupture membrane is arranged at the other end of the gas branch pipe, and the sealing ring is arranged between the gas branch pipe and the metal expansion rupture membrane.
Preferably, when the driving assembly is ignited in the failure unlocking state, the low-pressure chamber pressure is instantly increased to break the metal rupture membrane, and the gas flow is discharged from the gas discharge main pipe through the gas discharge branch pipe via the one-way check valve.
Preferably, each bullet corresponds to a set of low-pressure chamber, gas row's way branch pipe and one-way check valve, and a plurality of bullets share same gas row's way main pipe.
Preferably, the bullet fixing device adopts an explosive bolt.
Preferably, the metal bursting disc is designed to be a minimum thickness value of the metal film so as to realize automatic rupture when reaching a preset critical pressure value, and the critical pressure value is smaller than the shell explosion chamber pressure of the low-pressure chamber and higher than the normal working pressure of the low-pressure chamber.
Preferably, the gas exhaust main pipe is installed inside the first support through a plurality of second supports which are circumferentially uniformly or non-uniformly arranged.
Preferably, the cross section of the guide rail is of a T-shaped structure, the lower part of the sliding block is provided with a T-shaped space matched with the T-shaped structure, and the upper part of the sliding block is fixed on the bullet;
each bullet is provided with a plurality of sliding blocks matched with the corresponding guide rails.
Compared with the prior art, the invention has the following beneficial effects:
1. the bullet separating device can effectively avoid the danger of explosion of a gas ejection device under the condition that a certain bullet separating device cannot be unlocked normally, can realize mutual noninterference of ejection and separation processes among a plurality of bullets, and has ingenious structural design.
2. According to the invention, the plurality of separating devices are circumferentially arranged between the supporting plates of the first support, the gas exhaust and guide device is arranged in the large support through the second support, the exhaust and guide branch pipe of the gas exhaust and guide device is connected with the low-pressure chamber of the separating device, and airflow is converged to one gas exhaust and guide main pipe to be exhausted when the separating device fails and can not be unlocked, so that the structure is compact, and the miniaturization of equipment is facilitated.
3. According to the invention, the metal bursting films are designed to be the minimum thickness value of the metal film, so that the metal bursting films are automatically ruptured when a preset critical pressure value is reached, and the critical pressure value is smaller than the pressure of the shell explosion chamber of the low-pressure chamber and higher than the normal working pressure of the low-pressure chamber, the problem that the metal bursting films are ruptured in time when the separating device is abnormally unlocked is effectively solved, and the danger of explosion of the gas ejection device is avoided.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic overview of the internal structure of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of the present invention;
FIG. 3 is a top view of a partial cross-sectional structure of the present invention;
FIG. 4 is a schematic sectional view of the separator and the gas exhaust guide according to the present invention;
FIG. 5 is a schematic structural diagram of a metal bursting disk according to the present invention.
The figures show that:
| the |
The main gas exhaust and |
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the invention.
The invention provides a gas ejection multi-bullet separating device capable of preventing a bore from being exploded, which comprises a mother bullet 1, a separating device 4 and a gas exhaust and guide device 5 as shown in figures 1, 2 and 3.
The cartridge 1 has a first holder 3 therein and the first holder 3 is divided in the circumferential direction by a support plate 6 provided therein into a plurality of accommodation spaces for accommodating the cartridges 2. The first support 3 is arranged at the middle rear part in the cabin body of the bullet 1, and a plurality of support plates 6 are radially arranged and used for installing a separation device 4 and a gas exhaust and guide device 5.
The separating devices 4 are arranged along the circumferential direction of the first support 3, one separating device 4 is arranged between every two adjacent support plates 6, each separating device 4 comprises a normal unlocking state and a fault unlocking state, and is provided with a guide rail 21 and a driving assembly, the bullet 2 can be slidably mounted on the guide rail 21 through a slider 8 which is arranged on the bullet 2, the separation mode adopted by the bullet 2 is an embedded retreating type gas ejection separation, the sliders 8 on the bullet body can move on the separating device 4, when the driving assembly is ignited in the normal unlocking state, the driving assembly can drive the sliders 8 to move on the guide rail 21 so as to eject the bullet 2, wherein the cross section of the guide rail 21 is a T-shaped structure, the lower part of each slider 8 is provided with a T-shaped space matched with the T-shaped structure, the upper part of each slider 8 is fixed on the bullet 2, in order to increase the firmness of the bullet 2, the bottom of the bullet 2 is mounted on the guide rail 21 through the sliders 8, namely, each bullet 2 is provided with a plurality of sliders 8 matched with the corresponding guide rail 21, and the slider 8 at the foremost end of the separating device is in contact with the thrust plate 7 of the separating device 4.
The gas discharging and guiding device 5 is installed inside the first support 3 through the second support 17 and connected with the driving assembly, and when the driving assembly is ignited under the condition that the fault is not unlocked, airflow generated by the driving assembly due to ignition is discharged through the gas discharging and guiding device 5, so that the chamber explosion is prevented.
Specifically, as shown in fig. 4, the driving assembly includes a thrust plate 7, a lifting rod 9, a gas generator 12, a cartridge fixing device 20, a first cavity 22 and a second cavity 23, as shown in fig. 4, the thrust plate 7 and the gas generator 12 are respectively installed in the first cavity 22 and the second cavity 23 and are connected through the lifting rod 9, the cartridge fixing device 20 is connected to the thrust plate 7, the gas generator 12 has a high pressure chamber 11 inside, the cartridge fixing device 20 preferably adopts an explosive bolt, the high pressure chamber 11 has fuel for ignition, a space in the second cavity 23 on one side of the gas generator 12 facing the thrust plate 7 forms a low pressure chamber 10, a side of the high pressure chamber 11 facing the low pressure chamber 10 has an injection hole communicated with the low pressure chamber 10, in a normal unlocking state, the explosive bolt is broken, the cartridge fixing device 20 is disconnected from the thrust plate 7, the thrust plate 7 is released in a fixed state, when the high pressure chamber 11 is ignited, the gas flow inside the high pressure chamber 11 rapidly expands and can be injected into the low pressure chamber 10 through the injection hole, the low pressure chamber 10 pushes the thrust plate 7 to drive the thrust plate 7 to move away from the thrust plate 7 and finally move towards the right side of the thrust plate 7 through the lifting rod 8, and drive the cartridge ejecting slider 8.
Further, the gas guiding device 5 includes a gas guiding main pipe 13, a gas guiding branch pipe 14, a one-way check valve 15 and a gas pressure relief assembly 16, one end of the gas guiding branch pipe 14 is connected to the gas guiding main pipe 13 through the one-way check valve 15, and the other end of the gas guiding branch pipe 14 is separated from the low-pressure chamber 10 through the gas pressure relief assembly 16, wherein, as shown in fig. 5, the gas pressure relief assembly 16 includes a metal bursting diaphragm 18 and a sealing ring 19, the metal bursting diaphragm 18 is installed at the other end of the gas guiding branch pipe 14, and the sealing ring 19 is disposed between the gas guiding branch pipe 14 and the metal bursting diaphragm 18.
When the explosion bolt is broken due to failure in a state that the explosion bolt is not unlocked in a fault, when the driving assembly is ignited, the pressure of the low-pressure chamber 10 is instantly increased but the movement of the gas generator 12 cannot be understood to enlarge the volume of the low-pressure chamber 10 and further reduce the pressure, so that the danger of explosion of the low-pressure chamber 10 can be caused, the metal bursting film 18 is automatically broken when the minimum thickness value of the metal film is designed through calculation so as to reach a preset critical pressure value, and the critical pressure value is smaller than the pressure of a shell explosion chamber of the low-pressure chamber 10 and higher than the normal working pressure of the low-pressure chamber 10, so that the metal bursting film 18 can be broken before the low-pressure chamber 10 reaches the pressure of the shell explosion chamber, the gas flow can be discharged from the gas discharge main pipe 13 through the gas discharge branch pipe 14 and the one-way check valve 15, and the risk of explosion is avoided.
It should be noted that each bullet 2 corresponds to one set of low-pressure chamber 10, gas discharge branch pipe 14 and one-way check valve 15, and a plurality of bullets 2 share the same gas discharge main pipe 13, so that each bullet 2 is not affected when fired, and the risk of explosion of the chamber is effectively avoided.
In conclusion, the gas ejection multi-bullet separating device capable of preventing the explosion of the bullet is adopted, so that the danger of the explosion of the gas ejection device can be effectively avoided under the condition that a certain bullet fixing mechanism cannot be unlocked normally, and the ejection separating processes of multiple bullets are not interfered with each other.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A gas ejection multi-cartridge separation device capable of preventing a bore from being exploded, comprising:
the bullet comprises a parent bullet (1), wherein a first support (3) is arranged inside the parent bullet, the circumferential direction of the first support (3) is divided into a plurality of accommodating spaces by an arranged support plate (6), and the accommodating spaces are used for accommodating bullets (2);
the separation device (4) comprises a normal unlocking state and a fault unlocking state, and is provided with a guide rail (21) and a driving assembly, the bullet (2) can be slidably mounted on the guide rail (21) through a sliding block (8) which is arranged on the bullet separation device, and when the driving assembly is ignited in the normal unlocking state, the driving assembly can drive the sliding block (8) to move on the guide rail (21) so as to eject the bullet (2);
the gas discharge guide device (5) is connected with the driving assembly, and when the driving assembly is ignited in a fault unlocking state, airflow generated by ignition of the driving assembly is discharged through the gas discharge guide device (5) so as to prevent the chamber from being exploded;
the driving assembly comprises a thrust plate (7), a lifting rod (9), a gas generator (12), a bullet fixing device (20), a first cavity (22) and a second cavity (23);
the thrust plate (7) and the gas generator (12) are respectively installed in a first cavity (22) and a second cavity (23) and connected through a lifting rod (9), the bullet fixing device (20) is connected with the thrust plate (7), a high-pressure chamber (11) is arranged in the gas generator (12), and a low-pressure chamber (10) is formed in the space of one side, facing the thrust plate (7), of the gas generator (12) in the second cavity (23);
under a normal unlocking state, the bullet fixing device (20) is disconnected from the thrust plate (7), when the interior of the high-pressure chamber (11) is ignited, the internal airflow can be sprayed into the low-pressure chamber (10) to drive the gas generator (12) to drive the thrust plate (7) to push the sliding block (8) to move through the lifting rod (9);
the gas exhaust and guide device (5) comprises a gas exhaust and guide main pipe (13), a gas exhaust and guide branch pipe (14), a one-way check valve (15) and a gas pressure relief assembly (16);
one end of the gas branch exhaust pipe (14) is connected with the gas main exhaust pipe (13) through a one-way check valve (15), and the other end of the gas branch exhaust pipe (14) is separated from the low-pressure chamber (10) through a gas pressure relief assembly (16).
2. The gas ejection multi-cartridge separation device capable of preventing the bore explosion as claimed in claim 1, wherein the gas pressure relief assembly (16) comprises a metal rupture disk (18) and a sealing ring (19), the metal rupture disk (18) is installed at the other end of the gas branch exhaust pipe (14) and the sealing ring (19) is arranged between the gas branch exhaust pipe (14) and the metal rupture disk (18).
3. The gas ejection multi-cartridge separation device capable of preventing the bore explosion as claimed in claim 2, wherein when the drive assembly is ignited in a failure-unlocking state, the pressure of the low pressure chamber (10) is instantaneously increased to break the metal bursting membrane (18), and the gas flow is discharged from the gas discharge main pipe (13) through the gas discharge branch pipe (14) via the one-way check valve (15).
4. The device for separating multiple projectiles from a gas projectile capable of preventing a bore explosion as defined in claim 1, wherein each projectile (2) corresponds to a set of low pressure chamber (10), a branch gas discharge conduit (14) and a one-way check valve (15), and a plurality of projectiles (2) share a common main gas discharge conduit (13).
5. The gas fired multi-projectile separation device capable of preventing a bore-explosion as claimed in claim 1, wherein said projectile fixing means (20) employs explosive bolts.
6. The bombing-resistant gas ejection multi-cartridge separation device according to claim 2, wherein the metal bursting disk (18) is designed to rupture automatically at a minimum metal film thickness value, which is lower than the casing chamber pressure of the low-pressure chamber (10) and higher than the normal working pressure of the low-pressure chamber (10), when a preset critical pressure value is reached.
7. A gas ejection multi-cartridge separation device capable of preventing a bore-burst according to claim 1, wherein the gas exhaust main pipe (13) is installed inside the first support (3) through a plurality of second supports (17) which are circumferentially uniformly or non-uniformly arranged.
8. The gas ejection multi-cartridge separation device capable of preventing the bore-explosion according to claim 1, wherein the cross section of the guide rail (21) is a T-shaped structure, the lower part of the slide block (8) is provided with a T-shaped space matched with the T-shaped structure, and the upper part of the slide block (8) is fixed on the bullet (2);
each bullet (2) is provided with a plurality of sliding blocks (8) matched with the corresponding guide rails (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111203933.7A CN113959276B (en) | 2021-10-15 | 2021-10-15 | Gas ejection multi-cartridge separation device capable of preventing chamber explosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111203933.7A CN113959276B (en) | 2021-10-15 | 2021-10-15 | Gas ejection multi-cartridge separation device capable of preventing chamber explosion |
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| CN113959276A CN113959276A (en) | 2022-01-21 |
| CN113959276B true CN113959276B (en) | 2023-02-24 |
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| CN202111203933.7A Active CN113959276B (en) | 2021-10-15 | 2021-10-15 | Gas ejection multi-cartridge separation device capable of preventing chamber explosion |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114909959B (en) * | 2022-04-29 | 2024-01-16 | 西北工业大学 | Microminiature sub-missile multi-unit cooperative combat launching platform and method |
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| US4372216A (en) * | 1979-12-26 | 1983-02-08 | The Boeing Company | Dispensing system for use on a carrier missile for rearward ejection of submissiles |
| EP0114901A1 (en) * | 1983-01-24 | 1984-08-08 | The Boeing Company | Missile deployment apparatus |
| CN102494563A (en) * | 2011-12-07 | 2012-06-13 | 湖北航天技术研究院总体设计所 | Bundled bullet release device with primary and secondary structure |
| CN106813535A (en) * | 2016-11-10 | 2017-06-09 | 中国人民武装警察部队工程大学 | The many sound tear bombnoun of many directives of the variable master and slave type of range |
| CN111043913A (en) * | 2019-12-25 | 2020-04-21 | 中国人民武装警察部队工程大学 | Gun-shot primary-secondary type detonation bomb |
| CN111397447A (en) * | 2020-04-15 | 2020-07-10 | 西安深瞳智控技术有限公司 | Bullet throwing and separating device and method for accurate guidance fire extinguishing bomb |
-
2021
- 2021-10-15 CN CN202111203933.7A patent/CN113959276B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4372216A (en) * | 1979-12-26 | 1983-02-08 | The Boeing Company | Dispensing system for use on a carrier missile for rearward ejection of submissiles |
| EP0114901A1 (en) * | 1983-01-24 | 1984-08-08 | The Boeing Company | Missile deployment apparatus |
| CN102494563A (en) * | 2011-12-07 | 2012-06-13 | 湖北航天技术研究院总体设计所 | Bundled bullet release device with primary and secondary structure |
| CN106813535A (en) * | 2016-11-10 | 2017-06-09 | 中国人民武装警察部队工程大学 | The many sound tear bombnoun of many directives of the variable master and slave type of range |
| CN111043913A (en) * | 2019-12-25 | 2020-04-21 | 中国人民武装警察部队工程大学 | Gun-shot primary-secondary type detonation bomb |
| CN111397447A (en) * | 2020-04-15 | 2020-07-10 | 西安深瞳智控技术有限公司 | Bullet throwing and separating device and method for accurate guidance fire extinguishing bomb |
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