CN111664755B - Range-extending detonation bomb with built-in two-stage high-low pressure system - Google Patents
Range-extending detonation bomb with built-in two-stage high-low pressure system Download PDFInfo
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- CN111664755B CN111664755B CN202010649565.8A CN202010649565A CN111664755B CN 111664755 B CN111664755 B CN 111664755B CN 202010649565 A CN202010649565 A CN 202010649565A CN 111664755 B CN111664755 B CN 111664755B
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- pressure chamber
- delay ignition
- stage
- low pressure
- pressure system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
- F42B10/32—Range-reducing or range-increasing arrangements; Fall-retarding means
- F42B10/38—Range-increasing arrangements
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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
- F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
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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
- F42B12/42—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 of illuminating type, e.g. carrying flares
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a range-extending detonation bomb with a built-in two-stage high-low pressure system, which comprises a first-stage high-low pressure system, a delay ignition propulsion system and a second-stage high-low pressure system; the primary high-low pressure system comprises a primary high-pressure chamber and a primary low-pressure chamber, propellant powder is filled in the primary high-pressure chamber, a primer is riveted at the axis of the bottom end surface of the primary high-pressure chamber, a fire transfer hole is formed at the axis of the top end surface of the primary high-pressure chamber, and the fire transfer hole is sealed by a brass diaphragm; the delay ignition propulsion system comprises a delay ignition tube and a propulsion part, one end of the delay ignition tube is arranged in the first-stage low-pressure chamber, and the other end of the delay ignition tube is connected with the second-stage high-low pressure system. The invention designs a two-stage high-low pressure system, combines the spinning of the projectile body, has good flight stability and controllable position of an explosion point; the distance between the primer and the delay ignition tube is scientifically set, the glittering agent is not easy to be directly ignited, and the chamber explosion can be effectively avoided; by adjusting the propellant charging time and the ignition time of the delay ignition tube, different range extending distances can be realized, and the tactical performance of the ammunition is effectively improved.
Description
Technical Field
The invention relates to the technical field of anti-riot ammunition, in particular to a range-extending detonation cartridge with a built-in two-stage high-low pressure system.
Background
The detonation bomb is one of acousto-optic bombs, and generates huge sound through explosion, so that a target person temporarily stuns to lose resistance, but the target person cannot die, seriously hurt or cause disability. The detonation bomb is powerful equipment for carrying out anti-terrorism and outburst treatment. The existing detonation bomb is mostly thrown by hands, but the throwing distance is short, so that the detonation bomb is not suitable for remote confrontation or is used in marine maintenance law enforcement, at the moment, a gun is needed to be used for firing the detonation bomb, however, the gun firing detonation bomb generally has the potential safety hazard of explosion, the firing range is more than 130m, and the detonation bomb is still difficult to be competent for increasingly complex marine maintenance law enforcement actions.
Disclosure of Invention
The invention aims to provide an extended-range detonation bomb with a built-in two-stage high-low pressure system, which solves the problem of chamber explosion, improves the working distance and ensures the use safety.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a range-extending detonation cartridge with a built-in two-stage high-low pressure system, which comprises ammunition, wherein a first-stage high-low pressure system, a delay ignition propulsion system and a second-stage high-low pressure system are sequentially arranged in the ammunition from bottom to top;
the primary high-low pressure system comprises a primary high-pressure chamber and a primary low-pressure chamber, propellant powder is filled in the primary high-pressure chamber, a primer is riveted at the axis of the bottom end surface of the primary high-pressure chamber, a fire transfer hole is formed at the axis of the top end surface of the primary high-pressure chamber, the primary high-pressure chamber is communicated with the primary low-pressure chamber through the fire transfer hole, and the fire transfer hole is sealed through a brass diaphragm; the delay ignition propulsion system comprises a delay ignition tube and a propulsion part, one end of the delay ignition tube is arranged in the primary low-pressure chamber, and the other end of the delay ignition tube is connected with the secondary high-low pressure system.
Preferably, the ammunition comprises a cartridge case, a cartridge body and a cartridge head cap, the first-stage high-pressure chamber is riveted at the axis of the bottom end face of the cartridge case, the cartridge body is inserted into the cartridge case, the delay ignition tube is installed at the axis of the cartridge body, the cartridge head cap is fixedly connected with the cartridge body, and the second-stage high-low pressure system is arranged in the cartridge head cap.
Preferably, the delay igniter comprises a first-stage delay igniter and a second-stage delay igniter connected above the first-stage delay igniter in series; the propelling part is arranged at the bottom of the projectile body, a fire guide pipe is arranged on the projectile body, and the propelling part is communicated with the tail part of the first-stage delay ignition pipe through the fire guide pipe; the bottom of the propelling part is provided with a flame projecting hole which is sealed by a plug cover, and the propelling part is filled with propellant.
Preferably, the secondary high-low pressure system comprises a support body arranged on the inner side of the upper part of the projectile body and a secondary high-pressure chamber arranged on the support body, and a secondary low-pressure chamber is formed between the secondary high-pressure chamber and the support body and between the secondary high-pressure chamber and the projectile head cap; the axis of the support body is provided with a glittering agent cavity, a diaphragm is arranged between the glittering agent cavity and the secondary high pressure chamber, the bottom of the glittering agent cavity is communicated with the secondary delay ignition tube, and the glittering agent cavity is filled with glittering agents.
Preferably, the propulsion parts are uniformly arranged along the circumferential direction of the first-stage delay ignition tube, the number of the propulsion parts is four, and the number of the fire-spraying holes at the bottom of each propulsion part is four.
Preferably, the delay time of the first-stage delay igniter tube is 1.5s, and the delay time of the second-stage delay igniter tube is 1.5 s.
Preferably, an annular guide ring is arranged on the outer side of the bullet body, the annular guide ring and the bullet body are integrally formed, and the bottom surface of the annular guide ring is in adhesion connection with the top surface of the bullet shell.
Preferably, the primer is a mechanical impact primer, the propellant powder is smokeless powder, and the plug cover is made of high-temperature-resistant rubber.
Preferably, the inner wall of the bullet head cap is provided with a prefabricated crack groove.
The invention discloses the following technical effects:
1. by scientifically designing the distance between the delay ignition tube and the fire transfer hole, when the propellant powder is neglected to be loaded or fails, the primer cannot directly ignite the delay ignition tube, so that the chamber explosion can be avoided;
2. the purpose of stably increasing the range is realized by designing 4 propelling parts and 16 flame spraying holes; meanwhile, unequal range-extending distances of 300m, 400m and 500m can be realized by controlling the propellant charge and the delay time of the delay tube;
3. the center of gravity of the ammunition is coincided with the center of thrust, and the annular guide ring is matched with the explosion-proof gun bore line, so that the self-spinning of the ammunition body is realized, the flight stability is good, and the shooting precision is high;
4. the two-stage high-low pressure system is designed, so that the two-stage high-low pressure system can emit two times of blasting sound and strong flash, has good acousto-optic deterrent effect, is designed with the prefabricated cracking groove, does not generate sharp fragments, reduces the damage of destructive fragments to living targets, and improves the use safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of a delayed initiator;
FIG. 4 is a schematic view of the connection of the secondary high pressure chamber to the support body;
FIG. 5 is a schematic structural view of the bullet-nose cap;
wherein, 1 bullet shell, 2 primer, 3 first-level high-pressure chamber, 4 propellant powder, 5 fire transfer holes, 6 first-level low-pressure chamber, 7 bullet body, 7-1 annular guide ring, 8 propelling part, 8-1 fire guide tube, 8-2 fire spraying holes, 8-3 blanking cover, 8-4 propellant, 9-1 first-level delay ignition tube, 9-2 second-level delay ignition tube, 10 supporting body, 11 glittering agent cavity, 12 glittering agent, 13 second-level high-pressure chamber, 14 second-level low-pressure chamber, 15 bullet head cap, 16 diaphragm, 17 pre-split groove, 18 grooved plastic strip, 19 non-grooved plastic strip, 20 explosive loading groove, 21 fire guide hole, 22 sleeve and 23 grooved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a range-extending detonation cartridge with a built-in two-stage high-low pressure system, which comprises ammunition, wherein a first-stage high-low pressure system, a delay ignition propulsion system and a second-stage high-low pressure system are sequentially arranged in the ammunition from bottom to top;
the primary high-low pressure system comprises a primary high-pressure chamber 3 and a primary low-pressure chamber 6, propellant powder 4 is filled in the primary high-pressure chamber 3, a primer 2 is riveted at the axis of the bottom end face of the primary high-pressure chamber 3, the primer 2 is a mechanical impact type primer, a fire transfer hole 5 is formed at the axis of the top end face of the primary high-pressure chamber 3, the primary high-pressure chamber 3 is communicated with the primary low-pressure chamber 6 through the fire transfer hole 5, and the fire transfer hole 5 is sealed through a brass diaphragm; the delay ignition propulsion system comprises a delay ignition tube and a propulsion part 8, wherein one end of the delay ignition tube is arranged in the primary low-pressure chamber 6, and the other end of the delay ignition tube is connected with the secondary high-low pressure system.
Further, the ammunition comprises a cartridge case 1, an ammunition body 7 and a cartridge head cap 15, the primary high-pressure chamber 3 is riveted at the axis of the bottom end face of the cartridge case 1, the ammunition body 7 is inserted into the cartridge case 1, the delay ignition tube is installed at the axis of the ammunition body 7, the cartridge head cap 15 is fixedly connected with the ammunition body 7, and the secondary high-low pressure system is arranged in the cartridge head cap 15; the inner wall of the bullet head cap 15 is provided with a pre-split groove 17, so that the bullet head cap 15 can be formed into large fragments during blasting.
Furthermore, the delay ignition tube comprises a first-stage delay ignition tube 9-1 and a second-stage delay ignition tube 9-2 connected above the first-stage delay ignition tube 9-1 in series; the propelling part 8 is arranged at the bottom of the projectile body 7, a fire guiding pipe 8-1 is arranged on the projectile body 7, and the propelling part 8 is communicated with the tail part of the first-stage delay ignition pipe 9-1 through the fire guiding pipe 8-1; the bottom of the propelling part 8 is provided with a flame projecting hole 8-2, the flame projecting hole 8-2 is sealed by a plugging cover 8-3, and the propelling part 8 is filled with a propellant 8-4; the delay ignition tube is composed of a plastic cylinder and delay powder, the plastic cylinder comprises a plastic strip 18 with a groove and a plastic strip 19 without the groove, a powder loading groove 20 is formed in the center of the plastic strip 18 with the groove, the delay powder is filled in the powder loading groove 20, and the outer walls of the plastic strip 18 with the groove and the plastic strip 19 without the groove are fixed through a sleeve 22; the plastic strip 18 with the groove is provided with a fire hole 21, and the medicine loading groove 20 is communicated with the fire guide tube 8-1 through the fire hole 21.
Further, the secondary high-low pressure system comprises a support body 10 arranged on the inner side of the upper part of the projectile body 7 and a secondary high-pressure chamber 13 arranged on the support body 10, wherein a groove 23 is formed in the support body 10, the groove wall of the groove 23 is provided with threads, and the secondary high-pressure chamber 13 is in threaded connection with the support body 10; a secondary low-pressure chamber 14 is formed between the secondary high-pressure chamber 13 and the support body 10 and the bullet head cap 15; the axis of the support body 10 is provided with a glittering agent cavity 11, a brass diaphragm is arranged between the glittering agent cavity 11 and the secondary high pressure chamber 13, the bottom of the glittering agent cavity 11 is communicated with the secondary delay ignition tube 9-2, and the glittering agent cavity 11 is filled with a glittering agent 12.
Further, the propulsion parts 8 are uniformly arranged along the circumferential direction of the first-stage delay ignition tube 9-1, the number of the propulsion parts 8 is four, and the number of the fire-spraying holes 8-2 at the bottom of each propulsion part 8 is four.
Furthermore, the delay time of the first-stage delay ignition tube 9-1 is 1.5s, and the delay time of the second-stage delay ignition tube 9-2 is 1.5 s.
Further, an annular guide ring 7-1 is arranged on the outer side of the bullet body 7, the annular guide ring 7-1 and the bullet body 7 are integrally formed, and the bottom surface of the annular guide ring 7-1 is in adhesion connection with the top surface of the bullet case 1.
Furthermore, the propellant 4 is smokeless powder, so that less solid residues are generated during explosion of the smokeless powder, dense smoke is not generated, the pollution to a gun barrel and the environment is reduced, the thrust of the smokeless powder is stable, and the shooting precision can be improved.
Further, the blocking cover 8-3 is made of high-temperature resistant rubber materials, burning of gunpowder and fuel gas can be prevented, and meanwhile, under the action of the combustion pressure of the propellant 8-4, the blocking cover 8-3 is sprayed out of the fire spraying hole 8-2.
According to the invention, the distance between the delay ignition tube and the fire transfer hole 5 is scientifically designed, so that when the propellant powder 4 is neglected to be loaded or fails, the primer 2 is difficult to directly ignite the delay ignition tube, and the chamber explosion can be avoided; the purpose of range extension is achieved by designing four propelling parts 8 and sixteen flame-spraying holes 8-2; a two-stage high-low pressure system is designed, and the spinning of the projectile body 7 is combined, so that the shooting precision is improved; the explosive is detonated in the air, so that the explosive has a good acousto-optic deterrent effect, the damage of destructive fragments to living targets is reduced, and the use safety is improved.
The detonation bomb provided by the invention is longer in use distance, can be used for dispersing large-scale harassing people, and can also be used for maritime right maintenance law enforcement. The first-level high-low voltage system ensures stable flight, and the second-level high-low voltage system ensures good acousto-optic deterrence effect.
The basic principle is as follows: the firing pin of the anti-riot gun impacts the primer 2, the primer 2 ignites the propellant powder 4, the propellant powder 4 ablates a brass diaphragm at a fire transfer hole 5, the propellant powder 4 enters a primary low-pressure chamber 6 and ignites a primary delay ignition tube 9-1, after the pressure in the primary low-pressure chamber 6 reaches a certain degree, the projectile body 7 is pushed to be separated from the cartridge case 1, an annular guide ring 7-1 is matched with the rifling of a gun barrel to promote the projectile body 7 to spin, the projectile body 7 flies away from the gun barrel, after the primary delay ignition tube 9-1 delays for 1.5s, the secondary delay ignition tube 9-2 is ignited and is ignited by a propellant 8-1, the propellant burns to spray a blocking cover 8-3 from a fire spraying hole 8-2 and spray high-speed fuel gas from the fire spraying hole 8-2 to push the projectile body 7 to fly in an accelerated manner, after the secondary delay ignition tube 9-2 delays for 1.5s, the glittering agent 12 is ignited, the flash agent 12 is deflagrated to generate pressure, firstly, the brass diaphragm 16 is ruptured to generate sound, then the secondary high-pressure chamber 13 is promoted to rupture to generate explosion sound, and finally, the explosion sound and strong flash are generated after the explosion pressure of the bullet cap 15 is reached in the secondary low-pressure chamber 14.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "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, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (6)
1. The range-extended detonation cartridge with the built-in two-stage high-low pressure system is characterized by comprising an ammunition, wherein a first-stage high-low pressure system, a delay ignition propulsion system and a second-stage high-low pressure system are sequentially arranged in the ammunition from bottom to top;
the primary high-low pressure system comprises a primary high-pressure chamber (3) and a primary low-pressure chamber (6), propellant powder (4) is filled in the primary high-pressure chamber (3), a primer (2) is riveted at the axis of the bottom end surface of the primary high-pressure chamber (3), a fire transfer hole (5) is formed at the axis of the top end surface of the primary high-pressure chamber (3), the primary high-pressure chamber (3) is communicated with the primary low-pressure chamber (6) through the fire transfer hole (5), and the fire transfer hole (5) is sealed through a brass diaphragm; the delay ignition propulsion system comprises a delay ignition tube and a propulsion part (8), one end of the delay ignition tube is arranged in the primary low-pressure chamber (6), and the other end of the delay ignition tube is connected with the secondary high-low pressure system;
the ammunition comprises a cartridge case (1), an ammunition body (7) and a cartridge head cap (15), wherein the primary high-pressure chamber (3) is riveted at the axis of the bottom end face of the cartridge case (1), the ammunition body (7) is inserted into the cartridge case (1), the delay ignition tube is installed at the axis of the ammunition body (7), the cartridge head cap (15) is fixedly connected with the ammunition body (7), and the secondary high-pressure system and the secondary low-pressure system are arranged in the cartridge head cap (15);
the delay ignition tube comprises a first-stage delay ignition tube (9-1) and a second-stage delay ignition tube (9-2) connected above the first-stage delay ignition tube (9-1) in series; the propelling part (8) is arranged at the bottom of the projectile body (7), a fire guiding pipe (8-1) is arranged on the projectile body (7), and the propelling part (8) is communicated with the tail part of the first-stage delay ignition pipe (9-1) through the fire guiding pipe (8-1); the bottom of the propelling part (8) is provided with a flame projecting hole (8-2), the flame projecting hole (8-2) is sealed by a plugging cover (8-3), and the propelling part (8) is filled with propellant (8-4);
the secondary high-low pressure system comprises a support body (10) arranged on the inner side of the upper part of the projectile body (7) and a secondary high-pressure chamber (13) arranged on the support body (10), wherein a secondary low-pressure chamber (14) is formed among the secondary high-pressure chamber (13), the support body (10) and a bullet head cap (15); the axis of the support body (10) is provided with a glittering agent cavity (11), a diaphragm (16) is arranged between the glittering agent cavity (11) and the secondary high pressure chamber (13), the bottom of the glittering agent cavity (11) is communicated with the secondary delay ignition tube (9-2), and the glittering agent cavity (11) is filled with a glittering agent (12).
2. The range-extended detonation bomb of a built-in two-stage high-low pressure system of claim 1, characterized in that: the propulsion parts (8) are uniformly arranged along the circumferential direction of the first-stage delay ignition tube (9-1), the number of the propulsion parts (8) is four, and the number of the fire spraying holes (8-2) at the bottom of each propulsion part (8) is four.
3. The range-extended detonation bomb of a built-in two-stage high-low pressure system of claim 1, characterized in that: the delay time of the first-stage delay ignition tube (9-1) is 1.5s, and the delay time of the second-stage delay ignition tube (9-2) is 1.5 s.
4. The range-extended detonation bomb of a built-in two-stage high-low pressure system of claim 1, characterized in that: an annular guide ring (7-1) is arranged on the outer side of the bullet body (7), the annular guide ring (7-1) and the bullet body (7) are integrally formed, and the bottom surface of the annular guide ring (7-1) is connected with the top surface of the bullet shell (1) in an adhesion mode.
5. The range-extended detonation bomb of a built-in two-stage high-low pressure system of claim 1, characterized in that: the primer (2) is a mechanical impact primer, the propellant (4) is smokeless powder, and the plug cover (8-3) is made of high-temperature-resistant rubber.
6. The range-extended detonation bomb of a built-in two-stage high-low pressure system of claim 1, characterized in that: the inner wall of the bullet head cap (15) is provided with a prefabricated crack groove (17).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010649565.8A CN111664755B (en) | 2020-07-08 | 2020-07-08 | Range-extending detonation bomb with built-in two-stage high-low pressure system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010649565.8A CN111664755B (en) | 2020-07-08 | 2020-07-08 | Range-extending detonation bomb with built-in two-stage high-low pressure system |
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| CN111664755B true CN111664755B (en) | 2021-09-21 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855478A (en) * | 2019-01-10 | 2019-06-07 | 中国人民武装警察部队工程大学 | Multifunctional antiriot bullet with two-stage separating mechanism |
| CN209726948U (en) * | 2018-12-27 | 2019-12-03 | 中国人民武装警察部队工程大学 | The anti-riot howitzer of plural serial stage push type composite strike type |
| CN210773707U (en) * | 2019-10-08 | 2020-06-16 | 中国人民武装警察部队工程大学 | Hollow flat head type antiriot kinetic energy bullet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7930977B2 (en) * | 2007-02-26 | 2011-04-26 | Klein John M | Non-lethal projectile ammunition |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209726948U (en) * | 2018-12-27 | 2019-12-03 | 中国人民武装警察部队工程大学 | The anti-riot howitzer of plural serial stage push type composite strike type |
| CN109855478A (en) * | 2019-01-10 | 2019-06-07 | 中国人民武装警察部队工程大学 | Multifunctional antiriot bullet with two-stage separating mechanism |
| CN210773707U (en) * | 2019-10-08 | 2020-06-16 | 中国人民武装警察部队工程大学 | Hollow flat head type antiriot kinetic energy bullet |
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