EP2610572B1 - Vorrichtung zum Öffnen und Schließen eines Verschlussblockes und Geschütz damit - Google Patents
Vorrichtung zum Öffnen und Schließen eines Verschlussblockes und Geschütz damit Download PDFInfo
- Publication number
- EP2610572B1 EP2610572B1 EP20110195782 EP11195782A EP2610572B1 EP 2610572 B1 EP2610572 B1 EP 2610572B1 EP 20110195782 EP20110195782 EP 20110195782 EP 11195782 A EP11195782 A EP 11195782A EP 2610572 B1 EP2610572 B1 EP 2610572B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plunger
- breech block
- housing
- cannon
- open
- 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.)
- Active
Links
- 238000010304 firing Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000007599 discharging 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
- F41A3/00—Breech mechanisms, e.g. locks
- F41A3/02—Block action, i.e. the main breech opening movement being transverse to the barrel axis
- F41A3/10—Block action, i.e. the main breech opening movement being transverse to the barrel axis with sliding breech-block, e.g. vertically
-
- 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
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/42—Safeties for locking the breech-block or bolt in a safety position
Definitions
- the present invention relates to an apparatus for opening and closing a breech block and a cannon having the same.
- a cannon indicates a large weapon for firing ammunition by using a force of gas generated when an explosive is exploded from a pipe having one blocked side.
- a cannon barrel unit of the cannon consists of a cannon barrel and a breech device.
- the breech device consists of a breech block and a breech ring for accommodating the breech block therein.
- the breech block serves to prevent combustion gas of an explosive from discharging to a rear side of a cartridge chamber, by blocking the rear side of the cartridge chamber when ammunition is fired from the cannon.
- the breech block is configured to open and close a rear side of a cartridge chamber of a cannon barrel for loading of ammunition.
- breech block capable of automatically converting a mode of the breech block to an open mode from a closed mode through simple manipulations, and a cannon having the same.
- a cannon having a breech ring with a breech block mounted therein for slidable movement between an open position and a closed position, a shaft mounted for rotatable movement in the breech ring, crank means mounted to the shaft for camming cooperation with the breech block for actuation thereof between the open and close positions.
- the cannon further comprises a torsion spring device for closing the breech block.
- an aspect of the detailed description is to provide an apparatus for opening and closing a breech block capable of maintaining a closed state of the breech block after firing.
- Another aspect of the detailed description is to provide an apparatus for opening and closing a breech block capable of being operated through simple manipulations, and a cannon having the same.
- an apparatus for opening and closing a breech block comprising: a cam follower connected to a breech block for opening and closing a cartridge chamber of a cannon barrel, and rotating so as to open and close the breech block; a housing mounted to a bracket; a first plunger mounted in the housing, and disposed to be moveable to one direction; a rotation unit rotatably mounted to the bracket; a pressurizing unit coupled to the rotation unit, inserted into the housing, and configured to pressurize the first plunger when the rotation unit rotates; an open cam coupled to the rotation unit, and moveable by rotation of the rotation unit between a first state for guiding rotation of the cam follower and a second state which is out of the range of a moving path of the cam follower; a first elastic member installed in the housing, and configured to support the first plunger such that a restoration force is applied to the rotation unit; and
- the apparatus for opening and closing a breech block may further comprise a second elastic member mounted to the housing, and configured to apply an elastic force to the second plunger.
- a moving direction of the first plunger may be perpendicular to a rotation shaft of the rotation unit, and a moving direction of the second plunger may be perpendicular to the moving direction of the first plunger.
- One surface of the first plunger pressurized by the pressurizing unit may have a hemispherical shape.
- the apparatus for opening and closing a breech block may further comprise a plurality of guide portions formed in the housing, and protruding toward the center of an inner space of the housing so as to guide movements of the first plunger.
- a stopping recess may be formed at the pressurizing unit, and a stopping protrusion inserted into the stopping recess may be formed at one end of the second plunger.
- a protrusion may be formed at the second plunger, and the stopping protrusion may be inserted into the stopping recess when the protrusion comes in contact with the housing.
- a cannon comprising: a cannon barrel configured to fire ammunition; a breech block configured to open and close a cartridge chamber of the cannon barrel for loading of ammunition; a cannon holder configured to mount the cannon barrel thereat, and inclined with respect to a ground surface such that the cannon barrel is toward a specific firing direction; and an apparatus for opening and closing a breech block having an open cam configured to be moveable by rotation of a rotation unit between a first state for guiding rotation of a cam follower and a second state which is out of the range of a moving path of the cam follower.
- FIG. 1 is a perspective view illustrating a cannon 10 according to a first embodiment of the present invention.
- the cannon 10 comprises a cannon barrel 20, a breech device, a cannon holder 50, and an apparatus 100 for opening and closing a breech block.
- the cannon 10 may be implemented as a tank gun or a machine gun.
- the cannon barrel 20 is formed in a shape extending to one direction such that ammunition is fired along a specific direction.
- the cannon barrel 20 is provided with rifle therein.
- the breech device consists of a breech block 30 and a breech ring 40 for accommodating the breech block 30 therein.
- the breech block 30 is configured to open and close a rear side of a cartridge chamber of the cannon barrel 20 for loading of ammunition.
- the breech ring 40 is configured to accommodate therein a rear end of the cannon barrel 20 and the breech block 30, and to backward and forward move in a restricted state with respect to the cannon barrel 20.
- the cannon barrel 20 for firing ammunition is mounted to the cannon holder 50.
- the cannon holder 50 may be inclined with respect to the ground such that the mounted cannon barrel 20 is toward a preset firing direction.
- the apparatus 100 for opening and closing a breech block is disposed near the breech block 30, and is configured to open and close the breech block 30 through a mechanism of a cam follower 33 (refer to FIG. 2A ) which rotates so as to open and close the breech block 30, and an open cam 170 (refer to FIG. 2A ) for guiding rotation of the cam follower 33.
- a cam follower 33 (refer to FIG. 2A ) which rotates so as to open and close the breech block 30, and an open cam 170 (refer to FIG. 2A ) for guiding rotation of the cam follower 33.
- FIGS. 2A and 2B are views illustrating a state that the breech block 30 is open as the cam follower 33 and the open cam 170 come in contact with each other. More concretely, FIG. 2A illustrates a state that the cam follower 33 moves toward the open cam 170 as the cannon barrel 20 backward moves (the direction of 'S1') after firing. And, FIG. 2B illustrates a state that the breech block 30 is open (the direction of 'S3') as the cam follower 33 slides with contacting the open cam 170 (the direction of 'S4') when the cannon barrel 20 forward moves (the direction of 'S2').
- a breech crank 31 is connected to the breech block 30. As the breech crank 31 rotates, the breech block 30 is open and closed. An open crank 32 is connected to the breech crank 31, and the cam follower 33 is formed at the open crank 32. The cam follower 33 rotates with contacting the open cam 170 when the cannon barrel 20 forward moves.
- a rotation unit 150 (refer to FIG. 3 ) is mounted to a bracket 110 (refer to FIG. 3 ) spacing from a breech ring 40, and the open cam 170 is coupled to the rotation unit 150.
- the breech block 30 connected to the cannon barrel 20 moves to an opposite direction to a firing direction.
- the cam follower 33 connected to the breech block 30 moves to the opposite direction, and slides along one surface of the open cam 170.
- the cam follower 33 moves to a firing direction together with the breech block 30. While moving to the firing direction, the cam follower 33 comes in contact with the open cam 170.
- the cam follower 33 slides along one surface of the open cam 170, and the breech crank 31 rotates together with the cam follower 33 which is rotating. As the breech crank 31 rotates, the breech block 30 moves to one direction to be open, and the cartridge chamber of the cannon barrel 20 is open. An empty cartridge is discharged to the outside through the open breech block 30.
- the cam follower 33 returns to the original position prior to the contact with the open cam 170.
- the breech crank 31 rotates, the breech block 30 moves to one direction to be closed, and the cartridge chamber of the cannon barrel 20 is closed.
- the breech block 30 is open and closed by interworking between the cam follower 33 and the open cam 170.
- the apparatus 100 for opening and closing a breech block and a mechanism for opening and closing the breech block 30 by the apparatus 100.
- FIG. 3 is a perspective view illustrating the apparatus 100 for opening and closing a breech block according to a first embodiment of the present invention
- FIG. 4 is a front view of the apparatus 100 for opening and closing a breech block of FIG. 3 .
- the apparatus 100 for opening and closing a breech block comprises a cam follower 33, a housing 120, a first plunger 130, a second plunger 180, a rotation unit 150, a pressurizing unit 160, an open cam 170 and a first elastic member 140.
- the cam follower 33 is connected to the breech block 30 through the breech crank 31, and rotates so as to open and close the breech block 30.
- the bracket 110 is disposed to be spacing from the breech ring 40. One end of the bracket 110 may be fixed to the cannon holder 50. While the cannon barrel 20 backward and forward moves according to a firing state, the cam follower 33 and the bracket 110 may perform a relative motion with respect to each other.
- the housing 120 and the rotation unit 150 are coupled to the bracket 110.
- the housing 120 may be integrally formed with the bracket 110.
- the first plunger 130 (refer to FIG. 5 ) is installed in the housing 120 so as to be moveable in one direction.
- a moving direction of the first plunger 130 may be perpendicular to the bracket 110, for instance.
- the rotation unit 150 is rotatably mounted to the bracket 110 so as to be rotatable centering around a rotation shaft 151.
- the rotation shaft 151 of the rotation unit 150 may be disposed in parallel with the bracket 110.
- the rotation unit 150 may rotate such that one end thereof approaches to or is spacing from the breech block 30.
- the rotation unit 150 may be inserted into a space formed as part of the bracket 110 is cut.
- the pressurizing unit 160 is coupled to one end of the rotation unit 150, and the open cam 170 may be mounted to another end of the rotation unit 150.
- the pressurizing unit 160 is inserted into the housing 120, and is configured to pressurize the first plunger 130 when the rotation unit 150 rotates.
- the rotation shaft 151 of the rotation unit 150 is perpendicular to a moving direction of the first plunger 130 such that a pressurizing direction of the pressurizing unit 160 is parallel to the moving direction of the first plunger 130.
- the open cam 170 may be configured such that the cam follower 33 slides along one surface of the open cam 170 when the cannon barrel 20 backward moves, and such that the cam follower 33 rotates with sliding along one surface of the open cam 170 with contacting the open cam 170 when the cannon barrel 20 forward moves.
- the open cam 170 is configured to be moveable between a first state (open mode of the breech block 30) for guiding rotation of the cam follower 33 by rotation of the rotation unit 150, and a second state (closed mode of the breech block 30) which is out of the range of a moving path of the cam follower 33.
- the first elastic member 140 (refer to FIG. 5 ) is installed in the housing 120, and pressurizes the first plunger 130 such that a restoration force is applied to the pressurizing unit 160.
- One end of the first elastic member 140 is supported by the housing 120, and another end thereof is supported by the first plunger 130.
- the first elastic member 140 may be formed of a spring, an elastic rubber, a sponge, etc.
- the second plunger 180 may be moveably mounted to the housing 120, and may be inserted into a space formed by movements of the pressurizing unit 160 such that the pressurizing unit 160 is supported in the second state.
- the second plunger 180 may be disposed such that a moving direction thereof is perpendicular to a moving direction of the first plunger 130.
- a second elastic member 190 for providing an elastic force to the second plunger 180 may be mounted to the housing 120. One end of the second elastic member 190 is supported by the housing 120, and another end thereof is supported by the second plunger 180.
- the second elastic member 190 may be formed of a spring, an elastic rubber, a sponge, etc.
- FIG. 5 is a sectional view of the apparatus 100 for opening and closing a breech block taken along line 'A-A' when the breech block 30 is in an open mode
- FIG. 6 is a sectional view of the apparatus 100 for opening and closing a breech block taken along line 'A-A' when the breech block 30 is in a closed mode.
- a plurality of guide portions 121 may be formed in the housing 120 so as to be protruding toward the center of an inner space of the housing 120.
- the guide portions 121 serve to guide movements of the first plunger 130, and to minimize frictions occurring when the first plunger 130 moves.
- One surface of the first plunger 130 pressurized by the pressurizing unit 160 may have a hemispherical shape. If one surface of the first plunger 130 has a hemispherical shape, the pressurizing unit 160 comes in point-contact with the first plunger 130. This may minimize frictions between the first plunger 130 and the pressurizing unit 160.
- a stopping recess 161 may be formed at the pressurizing unit 160, and a stopping protrusion 181 inserted into the stopping recess 161 may be formed at one end of the second plunger 180. As the stopping protrusion 181 is inserted into the stopping recess 161, the second plunger 180 may fix the pressurizing unit 160 more stably.
- a protrusion 182 may be formed at the second plunger 180.
- the stopping protrusion 181 may be inserted into the stopping recess 161. Accordingly, a user may press the second plunger 180 until the second plunger 180 comes in contact with the housing 120 such that the stopping protrusion 181 is precisely inserted into the stopping recess 161.
- One end of the second elastic member 190 may be supported by the protrusion 182, and another end thereof may be supported by the housing 120 or a recess of the housing 120.
- the pressurizing unit 160 is pressurized by the first elastic member 140 for providing an elastic force to the first plunger 130, thereby contacting one surface of the housing 120.
- the open cam 170 connected to the pressurizing unit 160 through the rotation unit 150 is disposed at a position for guiding movements of the cam follower 33
- the cam follower 33 slides along one surface of the open cam 170. During this sliding, the cam follower 33 pushes the open cam 170 to a direction spacing from the breech block 30. As a result, the rotation unit 150 rotates, and the pressurizing unit 160 moves to a direction approaching to the breech block 30 thus to pressurize the first plunger 130.
- the pressurizing unit 160 is pressurized by the first elastic member 140 thus to return to a position for guiding movements of the cam follower 33.
- the open cam 170 is disposed at a position for guiding movements of the cam follower 33. Accordingly, the breech block 30 is open or closed as the cannon barrel 20 backward and forward moves according to a firing state.
- the pressurizing unit 160 pressurizes the first plunger 130, and the second plunger 180 is inserted into a space formed by movements of the pressurizing unit 160 so as to support the pressurizing unit 160.
- the rotation unit 150 rotates centering around the rotation shaft 151.
- the open cam 170 connected to the rotation unit 150 maintains a second state which is out of the range of a moving path of the cam follower 33.
- the open cam 170 does not come in contact with the cam follower 33. Accordingly, the breech block 30 is not open after firing, but maintains a closed state.
- a user may move the open cam 170 to a direction spacing from the breeching mechanism 30 with using a handgrip 171 of the open cam 170. Then, the user may insert the second plunger 180 into a space formed by movements of the pressurizing unit 160.
- This mode conversion of the breech block 30 into a closed mode may be used to prevent harmful gas from the cannon barrel 20 from being introduced to a user at the time of chemical, biological and radiological (CBR) warfare.
- CBR chemical, biological and radiological
- the current state of the breech block 30 may be converted into the first state. More concretely, once the open cam 170 has moved to be spacing from the cam follower 33, the pressurizing unit 160 connected to the open cam 170 through the rotation unit 150 more pressurizes the first plunge. Once the second plunge has been separated from the pressurizing unit 160, it returns to the initial position by the second elastic member 190 thus to be out of the range of a moving path of the pressurizing unit 160. As a result, the pressurizing unit 160 is pressurized by the first elastic member 140 thus to be restored to the initial position. That is, a mode of the apparatus 100 for opening and closing a breech block is converted into an open mode of the breech block 30.
- a user may convert a current mode of the breech block 30 to an open mode from a closed mode, through simple manipulations, i.e., by moving the open cam 170.
- the second plunger in a state that the open cam is out of the range of a moving path of the cam follower so as to restrict rotation of the cam follower, the second plunger is inserted into the housing so as to support the pressurizing unit. This may allow a closed state of the breech block to be maintained after firing.
- a closed mode of the breech block may be converted into an open mode, through simple manipulations, e.g., by rotating the rotation unit, i.e., by moving the pressurizing unit.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Electron Sources, Ion Sources (AREA)
- Portable Nailing Machines And Staplers (AREA)
Claims (8)
- Vorrichtung (100) zum Öffnen und Schließen eines Verschlussblocks (30), wobei die Vorrichtung (100) aufweist:einen Schwinghebel (33), der mit einem Verschlussblock (30) zum Öffnen und Schließen einer Patronenkammer eines Geschützrohrs (20) verbindbar ist und sich dreht, um den Verschlussblock (30) zu öffnen und zu schließen;ein Gehäuse (120), das an eine Halterung (110) montiert ist;einen ersten Kolben (130), der in dem Gehäuse montiert ist und derart angeordnet ist, dass er in eine Richtung beweglich ist;eine Dreheinheit (150), die drehbar an der Halterung (110) montiert ist;eine Druckeinheit (160), die mit der Dreheinheit (150) gekoppelt ist, die in das Gehäuse eingesetzt ist und aufgebaut ist, um den ersten Kolben (130) unter Druck zu setzen, wenn sich die Dreheinheit (150) dreht;eine offene Nocke (170), die mit der Dreheinheit (150) gekoppelt ist und durch die Drehung der Dreheinheit (150) zwischen einem ersten Zustand zum Führen der Drehung des Schwinghebels (33) und einem zweiten Zustand, der außerhalb des Bereichs einer Bewegungsstrecke des Schwinghebels (33) ist, beweglich ist;ein erstes elastisches Element (140), das in dem Gehäuse installiert ist und aufgebaut ist, um den ersten Kolben (130) derart zu halten, dass eine Rückstellkraft auf die Dreheinheit (150) angewendet wird,dadurch gekennzeichnet, dass die Vorrichtung (100) ferner aufweist:einen zweiten Kolben (180), der beweglich an dem Gehäuse montiert ist und aufgebaut ist, um in einen Raum des Gehäuses (120) eingesetzt zu werden, der durch die Bewegung ansprechend auf die Druckerhöhung der Druckeinheit (160) ausgebildet wird, um die Druckeinheit (160) in dem zweiten Zustand zu halten.
- Vorrichtung nach Anspruch 1, die ferner ein zweites elastisches Element (190) aufweist, das an das Gehäuse montiert ist und aufgebaut ist, um eine elastische Kraft auf den zweiten Kolben (180) anzuwenden.
- Vorrichtung nach einem der Ansprüche 1 und 2, wobei eine Bewegungsrichtung des ersten Kolbens (130) senkrecht zu einer Drehwelle der Dreheinheit (150) ist und eine Bewegungsrichtung des zweiten Kolbens (180) senkrecht zu der Bewegungsrichtung des ersten Kolbens (130) ist.
- Vorrichtung nach einem der Ansprüche 1 bis 3, wobei eine Oberfläche des ersten Kolbens (130), der von der Druckeinheit (160) unter Druck gesetzt wird, eine halbkugelförmige Form hat.
- Vorrichtung nach einem der Ansprüche 1 bis 4, die ferner mehrere Führungsabschnitte (121) aufweist, die in dem Gehäuse ausgebildet sind und in Richtung einer Mitte eines Innenraums des Gehäuses vorstehen, um die Bewegungen des ersten Kolbens (130) zu führen.
- Vorrichtung nach einem der Ansprüche 1 bis 5, wobei eine Anschlagvertiefung (161) an der Druckeinheit (160) ausgebildet ist und ein Anschlagvorsprung (181), der in die Anschlagvertiefung eingesetzt ist, an einem Ende des zweiten Kolbens (180) ausgebildet ist.
- Vorrichtung nach Anspruch 6, wobei ein Vorsprung (182) an dem zweiten Kolben (180) ausgebildet ist und der Anschlagvorsprung (181) in die Anschlagvertiefung eingesetzt wird, wenn der Vorsprung (182) mit dem Gehäuse in Kontakt kommt.
- Geschütz (10), das aufweist:ein Geschützrohr (20), das aufgebaut ist, um Munition abzufeuern;einen Verschlussblock (30), der aufgebaut ist, um eine Patronenkammer des Geschützrohrs (20) zum Laden mit Munition zu öffnen und zu schließen;einen Geschützhalter (50), der aufgebaut ist, um das Geschützrohr (20) daran zu montieren, und der in Bezug auf eine Bodenoberfläche geneigt ist, so dass der Geschützlauf (20) in Richtung einer spezifischen Schussrichtung ist; undeine Vorrichtung (100) zum Öffnen und Schließen eines Verschlussblocks nach einem der Ansprüche 1 bis 7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20110195782 EP2610572B1 (de) | 2011-12-27 | 2011-12-27 | Vorrichtung zum Öffnen und Schließen eines Verschlussblockes und Geschütz damit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20110195782 EP2610572B1 (de) | 2011-12-27 | 2011-12-27 | Vorrichtung zum Öffnen und Schließen eines Verschlussblockes und Geschütz damit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2610572A1 EP2610572A1 (de) | 2013-07-03 |
EP2610572B1 true EP2610572B1 (de) | 2014-10-08 |
Family
ID=45463384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP20110195782 Active EP2610572B1 (de) | 2011-12-27 | 2011-12-27 | Vorrichtung zum Öffnen und Schließen eines Verschlussblockes und Geschütz damit |
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Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2756635A (en) * | 1954-12-21 | 1956-07-31 | Marvin J Engel | Multi-leaf torsion spring for closing a breechblock |
DE3806123A1 (de) * | 1988-02-26 | 1989-09-07 | Rheinmetall Gmbh | Verschlussmechanismus fuer eine rohrwaffe |
DE19804653C2 (de) * | 1998-02-06 | 2001-03-08 | Rheinmetall W & M Gmbh | Großkalibrige Waffe |
-
2011
- 2011-12-27 EP EP20110195782 patent/EP2610572B1/de active Active
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Publication number | Publication date |
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EP2610572A1 (de) | 2013-07-03 |
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