CN110906788A - Rotating tube weapon barrel assembly - Google Patents
Rotating tube weapon barrel assembly Download PDFInfo
- Publication number
- CN110906788A CN110906788A CN201911264693.4A CN201911264693A CN110906788A CN 110906788 A CN110906788 A CN 110906788A CN 201911264693 A CN201911264693 A CN 201911264693A CN 110906788 A CN110906788 A CN 110906788A
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- China
- Prior art keywords
- barrel
- hoop
- positioning
- bearing ring
- assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41C—SMALLARMS, e.g. PISTOLS, RIFLES; ACCESSORIES THEREFOR
- F41C27/00—Accessories; Details or attachments not otherwise provided for
- F41C27/06—Adaptations of smallarms for firing grenades, e.g. rifle grenades, or for firing riot-control ammunition; Barrel attachments therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a barrel assembly of a rotating-barrel weapon, which comprises a barrel, a cover plate, a joint sleeve, a bearing ring, a positioning hoop, a positioning threaded sleeve, a barrel hoop part, a barrel hoop fixing pin and a muzzle device, wherein the cover plate is fixedly connected with the barrel; the barrel is connected with the joint sleeve through threads; the outer circle of the barrel is provided with an anti-rotation plane, the cover plate is provided with a through hole, and the inner circle surface of the through hole is provided with one or a plurality of anti-rotation planes which are embedded with the anti-rotation plane on the barrel; the cover plate is embedded with the barrel through an anti-rotation plane; each barrel is provided with a positioning threaded sleeve, a positioning hoop and a rifling device, the positioning threaded sleeves ensure the consistency of the axial positions, and the positioning hoop clamps the bearing ring and the positioning threaded sleeve before the installation position of the bearing ring is surrounded; the body pipe hoop component is fixedly connected with the bearing ring through a body pipe hoop fixing pin. The invention simplifies the assembly process and improves the accuracy of the barrel under the condition of not damaging the barrel matrix. The barrel assembly of the rotating tube weapon is reliable in fixation, simple in structure and good in assembly manufacturability.
Description
Technical Field
The invention relates to the technical field of conventional rotating-tube weapons, in particular to a barrel assembly structure of a rotating-tube weapon.
Background
The conventional rotating-tube weapon barrel assembly generally comprises 3 barrels (or more), a joint sleeve, a barrel hoop and the like, wherein the barrels are fixed on the joint sleeve, and the barrel hoop provides radial positioning for the barrels and improves the axial rigidity of the barrels so as to ensure the shooting precision. In the shooting process, hundreds of megabytes of chamber pressure are generated in the barrel bore after the gun and the bullet is fired, certain acting force is generated on the barrel by the rotation of the bullet in the chamber, and the reliability and the precision performance of the light weapon can be ensured only by ensuring that the barrel is fixed reliably.
The common fixing modes of the barrel, the joint sleeve and the barrel hoop of the rotating-barrel weapon include bolt fixing, thread fixing, partition groove fixing and the like. The bolt fixing mode needs drilling holes and pin punching in groups, has poor assembly manufacturability, and damages the barrel substrate, thereby influencing the shooting precision; the fixed mode of the isolating groove has higher requirements on the processing precision of parts, and leads to larger radial size of the weapon.
Disclosure of Invention
In order to solve the problem of poor processing and assembling manufacturability of the existing barrel assembly structure, the invention provides a barrel assembly structure which can be reliably fixed and is convenient to process and assemble.
The technical scheme of the invention is as follows:
a barrel assembly of a rotating-barrel weapon comprises a barrel 1, a cover plate 2, a joint sleeve 3, a bearing ring 4, a positioning hoop 5, a positioning thread sleeve 6, a barrel hoop part 7, a barrel hoop fixing pin 8 and a rifling device 9; the rear part of the barrel 1 is fixedly connected with the joint sleeve 3 through threads; the middle part of the barrel 1 is provided with a bearing, and the bearing is connected with the barrel through a bearing ring 4; the front part of the barrel 1 is provided with a barrel hoop part 7, the barrel hoop part 7 comprises a front hoop and a middle hoop, and the front hoop and the middle hoop are provided with through holes which are sleeved with the barrel 1; the pipe hoop component 7 is also provided with a connecting cylinder which is fixedly connected with the bearing ring 4 through the connecting cylinder; the chamber opening device 9 is fixedly connected with the barrel 1 through threads; the excircle of the barrel 1 is provided with an anti-rotation plane, the joint sleeve 3 is fixed with a cover plate 2, and the cover plate 2 is embedded with the barrel 1 through the anti-rotation plane.
The rotation-proof planes on the barrel 1 are uniformly distributed along the circumference.
The number of the inner holes of the cover plate 2 corresponds to the number of the barrels and is evenly distributed along the circumference.
The bearing ring 4 is provided with a positioning threaded sleeve 6 corresponding to each barrel, and the positioning threaded sleeves 6 are in threaded connection with the barrels; the bearing ring 4 is fixedly connected with the positioning threaded sleeve 6 through a positioning hoop 5.
The positioning hoop 5 is provided with a clamping groove which is clamped on the bottom surfaces of the bearing ring 4 and the positioning threaded sleeve 6 which are tightly attached together.
The bearing ring 4 is provided with a groove along the axial direction, the positioning hoop 5 is provided with a forward bump along the axial direction, and the bump is clamped in the groove of the bearing ring 4.
An adjusting gasket 10 is arranged between the barrel 1 and the positioning hoop 5.
The anti-rotation device is characterized in that an anti-rotation plane is arranged on the outer diameter of the rear end of the muzzle device 9, an anti-rotation plane is arranged in a front hoop inner hole of the barrel hoop part 7, and the anti-rotation plane of the muzzle device 9 is embedded with the anti-rotation plane of the inner hole of the barrel hoop part 7.
The front end of the bearing ring 4 is provided with an annular groove, and the clamping ring 13 is arranged in the annular groove, so that the bearing 11 is positioned forwards and backwards by the clamping ring 13 and the positioning hoop 5. .
According to the barrel assembly of the rotating-tube weapon, the barrel is prevented from moving through threaded connection, the locking size is guaranteed, the barrel is prevented from rotating through the rotation stopping plane of the cover plate, the cover plate is fixed on the sleeve through the screw, the barrel base body is not damaged, the rigidity of the barrel is not influenced, and the precision of the weapon is improved; the distance between the gun barrel and the end face of the joint sleeve can be adjusted by rotating the gun barrel, and the barrel can be attached to the anti-rotation plane on the cover plate only by rotating a small angle, so that the locking size is ensured, the assembly process is simplified, and the production efficiency is improved; the bearing ring positioning device skillfully utilizes the sequence of assembly of all parts, provides axial positioning for the bearing ring through the positioning threaded sleeves, is connected with the barrel through threads, ensures the axial positions of the end surfaces of all the positioning threaded sleeves to be consistent through thread adjustment, and axially limits the bearing ring through the end surface of the bearing ring positioning hoop; after the rifling device is installed at the mouth part of the body pipe through threads, the rotation of the rifling device is limited by the rotation-stopping plane on the body pipe hoop part; the barrel band component is now connected to the bearing ring by the barrel band fixing pin and the bearing ring positioning band and barrel band fixing pin are simultaneously fixed by the installation of the rolling bearing. The whole assembly process does not need to be carried out with machining, the barrel base body is kept complete, the barrel threads can be rotated according to needs, the locking size can be adjusted for many times, and any barrel can be independently replaced under the condition that any part is not damaged. The fixing mechanism has the advantages of simple structure, reliable fixing and good assembly manufacturability.
Drawings
Fig. 1 is a schematic view of the installation of the barrel fixing mechanism of the present invention.
Figure 2 is an exploded view of the barrel securement mechanism of the present invention.
Fig. 3 is an enlarged view of the connection assembly of the bearing ring positioning hoop.
Detailed Description
The invention will be further explained with reference to the drawings.
Example 1
A barrel assembly of a rotating-barrel weapon comprises a barrel 1, a cover plate 2, a joint sleeve 3, a bearing ring 4, a positioning hoop 5, a positioning thread sleeve 6, a barrel hoop part 7, a barrel hoop fixing pin 8 and a rifling device 9; the barrel 1 is connected with the joint sleeve 3 through threads; the cover plate 2 is embedded with the barrel 1 through an anti-rotation plane; each barrel 1 is provided with a positioning threaded sleeve 6, a positioning hoop 5 and a rifling device 9. A plurality of anti-rotation planes 19 are circumferentially distributed on the barrel 1. The number of the inner holes of the cover plate 2 corresponds to the number of the barrel 1 and is uniformly distributed along the circumference. The cover plate 2 is fixedly mounted to the socket 3 by means of screws 12.
Example 2
The barrel assembly of the rotating-barrel weapon comprises a barrel 1, a cover plate 2, a joint sleeve 3, a bearing ring 4, a positioning hoop 5, a positioning threaded sleeve 6, a barrel hoop part 7, a barrel hoop fixing pin 8 and a muzzle device 9; the rear part of the barrel 1 is fixedly connected with the joint sleeve 3 through threads; the middle part of the barrel 1 is provided with a bearing, and the bearing is connected with the barrel through a bearing ring 4; the front part of the barrel 1 is provided with a barrel hoop part 7, the barrel hoop part 7 comprises a front hoop and a middle hoop, and the front hoop and the middle hoop are provided with through holes which are sleeved with the barrel 1; the pipe hoop component 7 is also provided with a connecting cylinder which is fixedly connected with the bearing ring 4 through the connecting cylinder; the chamber opening device 9 is fixedly connected with the barrel 1 through threads; the excircle of the barrel 1 is provided with an anti-rotation plane 19, the joint sleeve 3 is fixed with a cover plate 2, and the cover plate 2 is provided with an anti-rotation plane which is embedded with the anti-rotation plane of the barrel 1. An adjusting washer 10 is arranged between the barrel 1 and the joint sleeve 5, and the adjusting washer 10 is an elastic washer.
The bearing ring 4 is provided with a positioning threaded sleeve 6 corresponding to each barrel. The positioning threaded sleeves 6 are connected with the barrel 1 through threads, and the axial positions of all the positioning threaded sleeves 6 are ensured to be consistent through thread adjustment; the bearing ring 4 is fixedly connected with a positioning threaded sleeve 6 through a positioning hoop 5; the positioning hoop 5 is provided with an arc-shaped clamping groove which is clamped on the bottom surfaces of the bearing ring 4 and the positioning threaded sleeve 6 so as to enable the two to be tightly attached together; two projections 51 at the front end of each positioning hoop 5 are clamped in the groove 42 of the bearing ring 4, so that the bearing ring 4 and the positioning threaded sleeve 6 are combined more tightly, and the relative position does not change in a rotating manner.
Example 3
The barrel assembly of the rotating-barrel weapon comprises a barrel 1, a cover plate 2, a joint sleeve 3, a bearing ring 4, a positioning hoop 5, a positioning threaded sleeve 6, a barrel hoop part 7, a barrel hoop fixing pin 8 and a muzzle device 9; the rifling device 9 is connected with the barrel 1 through threads, and the rifling device 9 is provided with an anti-rotation plane 91 which is embedded with an anti-rotation plane of an inner hole of the barrel hoop part 7; the body pipe hoop part 7 is sleeved into all the body pipes 1 of the assembly to provide radial support and auxiliary positioning for the front parts of the body pipes 1; after the barrel fixing pin 8 and the positioning hoop 5 are installed on the bearing ring 4 of the barrel, the bearing 11 is installed in the bearing ring 4, the barrel fixing pin 8 and the positioning hoop 5 are fixed by the bearing 11 at the same time, the annular groove 42 is formed in the front end of the bearing ring 4, the clamping ring 13 is installed in the annular groove 42, and the bearing 11 is positioned by the clamping ring 13 in the front and back direction.
Claims (9)
1. A barrel assembly of a rotating-barrel weapon is characterized by comprising a barrel (1), a cover plate (2), a joint sleeve (3), a bearing ring (4), a positioning hoop (5), a positioning threaded sleeve (6), a barrel hoop component (7), a barrel hoop fixing pin (8) and a muzzle device (9); the rear part of the barrel (1) is fixedly connected with the joint sleeve (3) through threads; the middle part of the barrel (1) is provided with a bearing, and the bearing is connected with the barrel through a bearing ring (4); the front part of the barrel (1) is provided with a barrel hoop component (7), the barrel hoop component (7) comprises a front hoop and a middle hoop, and the front hoop and the middle hoop are provided with through holes which are sleeved with the barrel (1); the pipe hoop component (7) is also provided with a connecting cylinder and is fixedly connected with the bearing ring (4) through the connecting cylinder; the chamber opening device (9) is fixedly connected with the barrel (1) through threads; an anti-rotation plane is arranged on the excircle of the barrel (1), a cover plate (2) is fixed on the joint sleeve (3), and the cover plate (2) is embedded with the barrel (1) through the anti-rotation plane.
2. A barrel assembly for a rotary-barrel weapon according to claim 1, characterized in that the anti-rotation flats on the barrel (1) are circumferentially equispaced.
3. A barrel assembly for a rotary-barrel weapon according to claim 1, wherein the number of holes in the cover plate (2) corresponds to the number of barrels and is circumferentially uniform.
4. The barrel assembly of a rotary-tube weapon according to claim 1, characterized in that the bearing ring (4) is provided with a positioning screw sleeve (6) corresponding to each barrel, the positioning screw sleeve (6) is in threaded connection with the barrel; the bearing ring (4) is fixedly connected with the positioning threaded sleeve (6) through a positioning hoop (5).
5. The barrel assembly of a rotary union weapon according to claim 1, characterized in that the positioning hoop (5) has a groove which is clamped on the abutting bottom surfaces of the bearing ring (4) and the positioning screw sleeve (6).
6. A barrel assembly for a rotary union weapon according to claim 4, characterized in that said bearing ring (4) is axially provided with a groove and the positioning collar (5) has axially a forward projection which snaps into the groove of the bearing ring (4).
7. A barrel assembly for a rotary-barrel weapon according to claim 4, characterized in that an adjustment washer (10) is arranged between the barrel (1) and the positioning collar (5).
8. The barrel assembly of a barrel-rotating weapon according to claim 1, characterized in that the outer diameter of the rear end of the muzzle device (9) is provided with an anti-rotation plane, the inner hole of the front ferrule of the barrel ferrule part (7) is provided with an anti-rotation plane, and the anti-rotation plane of the muzzle device (9) is embedded with the anti-rotation plane of the inner hole of the barrel ferrule part (7).
9. A barrel assembly for a barrel weapon according to claim 1 wherein the bearing ring (4) is provided at its forward end with an annular groove (41) and the collar (13) is received in the annular groove (41) such that the bearing (11) is positioned forward and backward by the collar (13) and the locating collar (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264693.4A CN110906788B (en) | 2019-12-11 | 2019-12-11 | Rotating tube weapon barrel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264693.4A CN110906788B (en) | 2019-12-11 | 2019-12-11 | Rotating tube weapon barrel assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110906788A true CN110906788A (en) | 2020-03-24 |
| CN110906788B CN110906788B (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911264693.4A Active CN110906788B (en) | 2019-12-11 | 2019-12-11 | Rotating tube weapon barrel assembly |
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| CN (1) | CN110906788B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188369A (en) * | 2021-05-07 | 2021-07-30 | 扬州工业职业技术学院 | Rotary driving device for rotating tube weapon |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660457A (en) * | 1985-01-17 | 1987-04-28 | Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag | Holding apparatus for weapon barrels of a multi-barrel weapon |
| US20080216378A1 (en) * | 2005-04-27 | 2008-09-11 | Johannes Murello | Exchangeable barrel modules for firearms |
| CN206330479U (en) * | 2016-12-22 | 2017-07-14 | 四川华庆机械有限责任公司 | A kind of barrel hoop of gatcing gun |
| CN109352318A (en) * | 2018-12-12 | 2019-02-19 | 重庆工业职业技术学院 | The pressing machine of gun barrel gas block |
| CN110095024A (en) * | 2019-05-14 | 2019-08-06 | 南京理工大学 | A kind of small ground unmanned fighting platform of carry small arms |
| CN209246795U (en) * | 2018-11-28 | 2019-08-13 | 四川华庆机械有限责任公司 | A kind of machine gun gun barrel rotation-preventing mechanism |
-
2019
- 2019-12-11 CN CN201911264693.4A patent/CN110906788B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660457A (en) * | 1985-01-17 | 1987-04-28 | Werkzeugmaschinenfabrik Oerlikon-Buhrle Ag | Holding apparatus for weapon barrels of a multi-barrel weapon |
| US20080216378A1 (en) * | 2005-04-27 | 2008-09-11 | Johannes Murello | Exchangeable barrel modules for firearms |
| CN206330479U (en) * | 2016-12-22 | 2017-07-14 | 四川华庆机械有限责任公司 | A kind of barrel hoop of gatcing gun |
| CN209246795U (en) * | 2018-11-28 | 2019-08-13 | 四川华庆机械有限责任公司 | A kind of machine gun gun barrel rotation-preventing mechanism |
| CN109352318A (en) * | 2018-12-12 | 2019-02-19 | 重庆工业职业技术学院 | The pressing machine of gun barrel gas block |
| CN110095024A (en) * | 2019-05-14 | 2019-08-06 | 南京理工大学 | A kind of small ground unmanned fighting platform of carry small arms |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113188369A (en) * | 2021-05-07 | 2021-07-30 | 扬州工业职业技术学院 | Rotary driving device for rotating tube weapon |
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| Publication number | Publication date |
|---|---|
| CN110906788B (en) | 2022-04-05 |
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Effective date of registration: 20220712 Address after: 400054, No. 1, Jianshe Avenue, Huaxi Industrial Park, Banan District, Chongqing Patentee after: CHONGQING JIANSHE INDUSTRY (GROUP) Co.,Ltd. Address before: 611930 No. 159 Changjiang Road, Pengzhou, Sichuan, Chengdu Patentee before: SICHUAN HUAQING MACHINERY Co.,Ltd. |