CN115031572A - Muzzle seals inflation pressure relief device - Google Patents
Muzzle seals inflation pressure relief device Download PDFInfo
- Publication number
- CN115031572A CN115031572A CN202210594094.4A CN202210594094A CN115031572A CN 115031572 A CN115031572 A CN 115031572A CN 202210594094 A CN202210594094 A CN 202210594094A CN 115031572 A CN115031572 A CN 115031572A
- Authority
- CN
- China
- Prior art keywords
- muzzle
- wall
- cylinder
- inner cylinder
- decompression device
- 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.)
- Pending
Links
- 230000006837 decompression Effects 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims 2
- 230000035939 shock Effects 0.000 abstract description 19
- 238000000926 separation method Methods 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 239000003721 gunpowder Substances 0.000 description 11
- 230000009467 reduction Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
- F41A21/32—Muzzle attachments or glands
- F41A21/36—Muzzle attachments or glands for recoil reduction ; Stabilisators; Compensators, e.g. for muzzle climb prevention
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A21/00—Barrels; Gun tubes; Muzzle attachments; Barrel mounting means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention belongs to the field of aircraft launcher devices, and particularly relates to a muzzle closed expansion decompression device, which comprises: the inner cylinder (2) and the outer cylinder (1) are sleeved on the outer side of the inner cylinder (2), an annular cavity (5) is formed between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1), the annular cavity (5) comprises a front end and a rear end, and the front end is plugged by a front baffle (3) arranged between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1); the front end is plugged by a rear baffle (7) arranged between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1); wherein, inner tube (2) wall has water conservancy diversion hole (4), and preceding separation blade (3) have preceding separation blade hole (8), and this application can show the influence that reduces muzzle flame and shock wave.
Description
Technical Field
The invention belongs to the field of aircraft launcher devices, and particularly relates to a muzzle closed expansion decompression device.
Background
The impact waves of the flow field in the muzzle area and the pressure generated by fuel gas can generate strong impact action on the aircraft skin, when the aircraft skin bears strong impact, the failure of the airborne equipment in the equipment cabin near the muzzle is often caused, and the flight safety of the aircraft is even affected in serious cases.
Traditional muzzle device is improving when system moves back efficiency, can produce stronger impact muzzle flame to the muzzle rear, can produce great harm to carrier and operating personnel, and simultaneously, the efficient muzzle device is moved back to high system, and it is suitable for the bullet kind also to have strict restriction. Therefore, the efficiency of the conventional various automatic cannon muzzle retreating is generally low, which is not beneficial to greatly reducing recoil and also limits the application range of the automatic cannon muzzle retreating.
Disclosure of Invention
The invention aims to solve the problem that muzzle flame and muzzle shock wave generated during shooting affect the fuselage skin and the internal equipment of a cabin near the muzzle. Therefore, the invention provides a muzzle closed expansion pressure-reducing device, compared with the traditional muzzle device, the muzzle closed expansion pressure-reducing device has the function of effectively reducing the influence of muzzle flame and muzzle shock waves on a carrier while effectively reducing the recoil force, the muzzle pressure and the expansion fire-discharging pressure-relief of the muzzle closed expansion pressure-reducing device can be reduced by more than one half compared with the existing muzzle pressure through the effective control on the powder gas expansion process, and the influence of the muzzle flame and the shock waves can be obviously reduced. The inner cylinder and the outer cylinder are sleeved on the outer side of the inner cylinder, an annular cavity is formed between the outer wall of the inner cylinder and the inner wall of the outer cylinder, the annular cavity comprises a front end and a rear end, and the front end is blocked by a front baffle arranged between the outer wall of the inner cylinder and the inner wall of the outer cylinder; the front end is sealed and blocked by a rear baffle piece arranged between the outer wall of the inner cylinder and the inner wall of the outer cylinder; the inner cylinder wall surface is provided with a flow guide hole, and the flow guide hole is used for guiding gunpowder gas to enter an annular cavity of the muzzle closed expansion pressure reduction device from the inner cylinder of the muzzle closed expansion pressure reduction device. The front baffle at the front end of the muzzle closed expansion pressure reducing device is provided with a front baffle hole for discharging gunpowder gas, when a gun barrel shoots, part of the gunpowder gas enters the annular cavity of the muzzle closed expansion pressure reducing device through the diversion hole, and the part of the gunpowder gas expands back and forth in the annular cavity of the muzzle closed expansion pressure reducing device and is slowly discharged through the front baffle hole, so that the pressure of the muzzle and the shock wave of the muzzle are reduced, wherein the front end is an outlet of a launcher.
Preferably, the inner wall surface of the inner cylinder is provided with a plurality of annular grooves close to the rear end, and the function of the annular grooves is that when the launching device shoots, the barrel moves backwards, the muzzle part of the barrel slides in the barrel in the muzzle closed expansion and decompression device, the annular grooves arranged at the rear part of the barrel in the muzzle closed expansion and decompression device and the barrel are sealed by forming vortex, and a special metal sealing ring can be added at the rear end for sealing if necessary.
Preferably, a plurality of annular grooves are distributed at equal intervals along the axial direction of the inner cylinder, the plurality of annular grooves are u-shaped notches, the distance between every two adjacent grooves is equal, and when the gun muzzle part of the barrel slides in the barrel of the gun muzzle closed expansion and decompression device, the plurality of annular grooves can form an air mold, so that the friction force is reduced to a certain degree, and meanwhile, the gap sealing can be realized.
Preferably, the deflector hole is located before the annular groove.
Preferably, the rear part of the outer cylinder is a cylindrical section, and the front part of the outer cylinder is a conical section.
Preferably, the guide holes comprise a plurality of guide holes which are uniformly distributed along the circumferential direction, the gas in the inner cylinder is uniformly discharged between the inner cylinder and the outer cylinder, and the shock waves of the inner cylinder are discharged to reduce the vibration.
Preferably, the front flap hole includes a plurality of front flap holes, and the plurality of front flap holes are uniformly distributed in the circumferential direction.
Preferably, the distance between the inner wall surface of the cylindrical section and the outer wall surface of the inner cylinder is 0.4-0.6 times of the inner diameter of the inner cylinder, and the arrangement can effectively absorb muzzle pressure and muzzle shock waves.
Preferably, the number of annular grooves is 7 ~ 10, and this setting can more effectively absorb big gun muzzle pressure and big gun muzzle shock wave.
Preferably, the distance between the diversion hole and the front end face is 0.5-0.7 times of the total length of the inner cylinder, and the arrangement can effectively absorb the pressure and shock waves of the blast hole.
The advantages of the present application include: compare traditional muzzle device, the muzzle seals inflation pressure relief device when effectively reducing the recoil, still possesses the function that effectively reduces muzzle flame and muzzle shock wave to the carrier influence, through the effective control to gunpowder gas expansion process, installs the muzzle pressure that the muzzle seals inflation pressure relief device additional and inflation goes out the fire pressure release can reduce more than half than current muzzle pressure, is showing the influence that reduces muzzle flame and shock wave.
Drawings
Fig. 1 is a structural view of a muzzle-closing expansion and decompression device according to a preferred embodiment of the present application;
FIG. 2 is a schematic view of the outer barrel (1) of a preferred embodiment of the present application;
FIG. 3 is a schematic view of the front flap of a preferred embodiment of the present application;
wherein, 1-outer cylinder; 2-inner cylinder; 3-front blocking piece; 4-diversion holes; 5-ring cavity; 6-an annular groove; 7-a rear baffle plate; 8-front catch hole.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are implementations that are part of this application and not all implementations. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.
The invention provides a muzzle closed expansion pressure-reducing device, compared with the traditional muzzle device, the muzzle closed expansion pressure-reducing device has the function of effectively reducing the influence of muzzle flame and muzzle shock waves on a carrier while effectively reducing recoil force, through the effective control on the gas expansion process of gunpowder, the muzzle pressure and the expansion fire-discharging pressure-relief of the additionally-installed muzzle closed expansion pressure-reducing device can be reduced by more than one half compared with the existing muzzle pressure, and the influence of the muzzle flame and the shock waves is obviously reduced, the muzzle closed expansion pressure-reducing device is fixedly connected to a front supporting seat of a launching device, the vibration of a body tube during shooting can be restrained, and the shooting density can be even improved, as shown in figures 1-3, the device specifically comprises: the outer barrel comprises an inner barrel 2 and an outer barrel 1 sleeved outside the inner barrel 2, wherein an annular cavity 5 is formed between the outer wall of the inner barrel 2 and the inner wall of the outer barrel 1, the annular cavity 5 comprises a front end and a rear end, and the front end is blocked by a front baffle 3 arranged between the outer wall of the inner barrel 2 and the inner wall of the outer barrel 1; the front end is plugged by a rear baffle 7 arranged between the outer wall of the inner barrel 2 and the inner wall of the outer barrel 1; the wall surface of the inner cylinder 2 is provided with a flow guide hole 4 which is used for guiding gunpowder gas to enter an annular cavity of the muzzle enclosed expansion pressure reduction device from the inner cylinder of the muzzle enclosed expansion pressure reduction device. The front baffle at the front end of the muzzle closed expansion pressure-reducing device is provided with a front baffle hole 8 for discharging gunpowder gas, when the launching device shoots, part of the gunpowder gas enters the annular cavity of the muzzle closed expansion pressure-reducing device through the diversion hole, and the part of the gunpowder gas expands back and forth in the annular cavity of the muzzle closed expansion pressure-reducing device and is slowly discharged through the front baffle hole, so that the muzzle pressure and the muzzle shock wave are reduced.
In some optional embodiments, the inner wall surface of the inner cylinder 2 is provided with a plurality of annular grooves 6 near the rear end, and the function of the annular grooves is that when the launching device shoots, the barrel sits backwards and moves, and simultaneously, the barrel muzzle part slides in the barrel in the muzzle closed expansion pressure reduction device, the annular grooves arranged at the rear part of the barrel in the muzzle closed expansion pressure reduction device and the barrel are sealed by forming vortex, and if necessary, a special metal sealing ring can be added at the rear end for sealing.
In some alternative embodiments, the plurality of annular grooves 6 are equally spaced axially along the inner barrel 2.
In some alternative embodiments, the flow-directing holes are located before the annular groove 6.
In some alternative embodiments, the rear portion of the outer barrel 1 is a cylindrical section, and the front portion is a conical section.
In some alternative embodiments, the guide holes include a plurality of guide holes 4, and the plurality of guide holes are uniformly distributed in the circumferential direction.
In some alternative embodiments, the front flap hole 8 includes a plurality of front flap holes 8, and the plurality of front flap holes 8 are uniformly distributed in the circumferential direction.
In some optional embodiments, the distance between the inner wall surface of the cylindrical section and the outer wall surface of the inner cylinder 2 is 0.4 to 0.6 times the inner diameter of the inner cylinder 2, and the arrangement can more effectively absorb the muzzle pressure and the muzzle shock wave.
In some optional embodiments, the number of the annular grooves 6 is 7-10, and the arrangement can more effectively absorb the muzzle pressure and the muzzle shock wave.
In some optional embodiments, the distance between the diversion hole 4 and the front end surface is 0.5-0.7 times of the total length of the inner cylinder 2, and the arrangement can more effectively absorb the pressure and shock wave of the muzzle.
Compare traditional muzzle device, the muzzle seals inflation pressure relief device still possesses the function that effectively reduces muzzle flame and muzzle shock wave to the carrier influence when effectively reducing the recoil, through the effective control to gunpowder gas expansion process, installs the muzzle pressure that the muzzle seals inflation pressure relief device additional and inflation goes out the fire pressure release and can reduce more than half than current muzzle pressure, is showing the influence that reduces muzzle flame and shock wave.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A muzzle seal expansion and decompression device, comprising: the inner cylinder (2) and the outer cylinder (1) are sleeved on the outer side of the inner cylinder (2), an annular cavity (5) is formed between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1), the annular cavity (5) comprises a front end and a rear end, and the front end is plugged by a front baffle (3) arranged between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1); the front end is plugged by a rear baffle (7) arranged between the outer wall of the inner cylinder (2) and the inner wall of the outer cylinder (1); wherein, the wall surface of the inner cylinder (2) is provided with a diversion hole (4), and the front baffle (3) is provided with a front baffle hole (8).
2. The muzzle-closing expansion and decompression device according to claim 1, wherein the inner wall surface of the inner barrel (2) is provided with a plurality of annular grooves (6) near the rear end.
3. The muzzle-closing expansion and decompression device according to claim 2, wherein the plurality of annular grooves (6) are equally spaced axially along the inner barrel (2).
4. The muzzle-closing expansion and decompression device according to claim 2, wherein the pilot hole is located before the annular groove (6).
5. The muzzle-closing expansion and decompression device according to claim 1, wherein the outer barrel (1) has a cylindrical section at the rear and a conical section at the front.
6. The muzzle-closing expansion decompression device according to claim 1, wherein the pilot hole comprises a plurality of pilot holes (4) which are uniformly distributed in the circumferential direction.
7. The muzzle-closing expansion decompression device according to claim 1, wherein the forward barrier apertures (8) comprise a plurality of forward barrier apertures (8) which are circumferentially uniformly distributed.
8. The muzzle-closed expansion and decompression device according to claim 5, wherein the distance between the inner wall surface of the cylindrical section and the outer wall surface of the inner cylinder (2) is 0.4 to 0.6 times the inner diameter of the inner cylinder (2).
9. The muzzle-closing expansion and decompression device according to claim 2, wherein the number of the annular grooves (6) is 7 to 10.
10. The muzzle-closed expansion and decompression device according to claim 1, wherein the distance between the diversion hole (4) and the front end face is 0.5 to 0.7 times of the total length of the inner barrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594094.4A CN115031572A (en) | 2022-05-27 | 2022-05-27 | Muzzle seals inflation pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210594094.4A CN115031572A (en) | 2022-05-27 | 2022-05-27 | Muzzle seals inflation pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115031572A true CN115031572A (en) | 2022-09-09 |
Family
ID=83122001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210594094.4A Pending CN115031572A (en) | 2022-05-27 | 2022-05-27 | Muzzle seals inflation pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115031572A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420151A (en) * | 2022-09-29 | 2022-12-02 | 南京理工大学 | Air-tight ring applied to equal-diameter barrel |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB480520A (en) * | 1936-05-19 | 1938-02-21 | Robert Henry Smith Hughes | Improvements in devices for diminishing the recoil of guns |
| US4562767A (en) * | 1982-02-04 | 1986-01-07 | Rheinmetall Gmbh | Muzzle recoil dampener |
| KR20110133305A (en) * | 2010-06-04 | 2011-12-12 | 현대위아 주식회사 | Apparatus for resisting recoil of mortar |
| RU2554902C1 (en) * | 2014-03-05 | 2015-06-27 | Акционерное общество "Уральский завод транспортного машиностроения" (АО "Уралтрансмаш") | Muzzle brake of artillery weapon |
| CN105308409A (en) * | 2013-05-29 | 2016-02-03 | 前田博美 | Muzzle brake and firearm |
| CN108612576A (en) * | 2018-04-20 | 2018-10-02 | 南京工程学院 | A kind of exhausting and denoising device |
| CN110425930A (en) * | 2019-07-02 | 2019-11-08 | 南京理工大学 | A kind of adjustable muzzle brake of fission nested type mode |
-
2022
- 2022-05-27 CN CN202210594094.4A patent/CN115031572A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB480520A (en) * | 1936-05-19 | 1938-02-21 | Robert Henry Smith Hughes | Improvements in devices for diminishing the recoil of guns |
| US4562767A (en) * | 1982-02-04 | 1986-01-07 | Rheinmetall Gmbh | Muzzle recoil dampener |
| KR20110133305A (en) * | 2010-06-04 | 2011-12-12 | 현대위아 주식회사 | Apparatus for resisting recoil of mortar |
| CN105308409A (en) * | 2013-05-29 | 2016-02-03 | 前田博美 | Muzzle brake and firearm |
| RU2554902C1 (en) * | 2014-03-05 | 2015-06-27 | Акционерное общество "Уральский завод транспортного машиностроения" (АО "Уралтрансмаш") | Muzzle brake of artillery weapon |
| CN108612576A (en) * | 2018-04-20 | 2018-10-02 | 南京工程学院 | A kind of exhausting and denoising device |
| CN110425930A (en) * | 2019-07-02 | 2019-11-08 | 南京理工大学 | A kind of adjustable muzzle brake of fission nested type mode |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420151A (en) * | 2022-09-29 | 2022-12-02 | 南京理工大学 | Air-tight ring applied to equal-diameter barrel |
| CN115420151B (en) * | 2022-09-29 | 2023-07-18 | 南京理工大学 | Be applied to constant diameter barrel's gas ring that closes |
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