EP2473812B1 - Weapon recoil system - Google Patents
Weapon recoil system Download PDFInfo
- Publication number
- EP2473812B1 EP2473812B1 EP10745556.0A EP10745556A EP2473812B1 EP 2473812 B1 EP2473812 B1 EP 2473812B1 EP 10745556 A EP10745556 A EP 10745556A EP 2473812 B1 EP2473812 B1 EP 2473812B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weapon
- barrel
- pressure
- recoil system
- housing
- 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.)
- Not-in-force
Links
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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/02—Fluid-operated systems
-
- 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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/02—Fluid-operated systems
- F41A25/04—Fluid-operated systems adjustable, e.g. in relation to the elevation of the gun
-
- 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
- F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
- F41A25/16—Hybrid systems
-
- 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
- F41A3/64—Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings
- F41A3/78—Bolt buffer or recuperator means
- F41A3/90—Fluid buffers
Definitions
- the invention is concerned with a returning barrel and its braking during and after firing a certain return / Vorlaufweg.
- the DE 10 2007 051 246 A1 discloses a gun barrel with a gun barrel stored in a weapon cradle or cradle and a pipe support. In this case, an unobstructed return of the gun barrel is guaranteed, but counteracted radial vibrations or bending of the gun barrel by means of the support elements.
- From the DE 10 2007 050 014 A1 is another gun barrel storage with a tube guide housing between gun barrel and weapon housing known.
- the storage of the gun barrel in the front area allows for a movable pipe guide and is formed by heat-independent steel.
- the rear storage at the end of the gun barrel should be as far away as possible away from the front, so as to avoid directional errors.
- a gun brake on the basis of a brake piston describes the DE 102 32 014 A1 , a gun return brake with forward damping the DE 38 24 153 A1 ,
- a hydropneumatic brake and Vorholsystem for pipe recoil guns is known in which is proposed in detail to changes of different shooting parameters, instead of the brake cylinder to incorporate a working cylinder.
- the working cylinder is in this case connected via a separate controllable pressure relief valve with a hydraulic accumulator, so that the return of the corresponding gun barrel results in a substantially constant braking force.
- the invention has as its object to show a weapon return system, the aushelmd with low volume realized the reduction of the kinetic energy of the returning gun barrel and a prefetching in firing position.
- the invention is based on the idea to design a relatively simple return design without the previously required control devices in the hydraulic tube brakes.
- the gun barrel is supported on a compressed gas cushion. In this forward position, the gun barrel is held. By firing the gun barrel kinetic energy is supplied. This energy is stored at the end of the return as volume change work in the gas cushion.
- a piston fixedly connected to the barrel is in a space filled with a liquid. This piston is pulled through the liquid during the pipe return and the pipe advance and is designed so that the pipe return a large cross section for the flow of the liquid is open, so that a relatively low back pressure arises. On the other hand, only a small cross-section is open during the pipe advance, resulting in a large back pressure.
- the strained gas cushion pushes or pushes the gun barrel at a relatively constant speed back into the forward position.
- the volume change work of the gas is converted into heat energy during the flow at a throttle point.
- the initial pressure of the gas cushion can be varied to accommodate different loads and / or caliber adapted to minimize the weapon load.
- a use with small and medium caliber weapons as well as large caliber weapons is conceivable.
- Fig. 1 shows parts of a weapon 1 with a gun barrel 2 and a weapon return system 3, consisting at least of a pressure vessel 4 and a pressure cylinder 5 with pressure piston (11).
- a weapon housing 6 serves to receive the weapon barrel 2 and is preferably enclosed by a heat sink 7 at least in the area of the cartridge chamber of the weapon barrel 2.
- Fig. 2 shows a further view of the weapon 1 in a partially cutaway view
- Fig. 3 the complete structure of the weapon return system 3 in a sectional view.
- the weapon barrel 2 is axially displaceably guided in the weapon housing 6, wherein in a preferred embodiment, the weapon housing 6 itself is designed so that when built gun barrel 2 between the pipe guide sides, a space 20 is formed in the circular ring cross-section and from the gun barrel end another cylindrical space 21 is formed, so that the pressure cylinder 5 is easily and easily attachable to the gun barrel end.
- the space 20 in turn forms in a simple manner a brake cylinder 9 filled with a brake fluid.
- the weapon tube end is connected to the piston 11 and guide parts and seals 10, 12 for compressing a gas cushion in the pressure cylinder 5, and in the central region with an annular piston 13 with flow channels.
- An actuated by a spring 8 sleeve 17 (sliding sleeve) closes these channels at standstill and pipe advance.
- this sleeve 17 is displaced by the flowing fluid, so that the channels are open.
- another guidance and sealing system is integrated and marked with 15.
- the piston 11 is designed so that a large cross-section for the flow of liquid is open at the pipe return and a relatively low back pressure arises at the pipe flow, however, only a small cross-section is open, so that a large back pressure arises.
- the flange on the weapon housing 6 pressure vessel 4 contains the intended pressure gas volume.
- a heat compensation system 16 in the pressure vessel 4 serves to compensate for the change in the volume of liquid due to the influence of temperature.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Die Erfindung beschäftigt sich mit einem zurücklaufenden Waffenrohr und dessen Abbremsen während und nach der Schussabgabe über einen bestimmten Rücklauf- /Vorlaufweg.The invention is concerned with a returning barrel and its braking during and after firing a certain return / Vorlaufweg.
Bekanntlich wirken die bei einem Schuss entstehenden Antriebskräfte auf das Geschoss und auf das Waffenrohr. Bei starren Waffenrohren muss diese Kraft von den abstützenden Bauteilen aufgenommen werden.As is known, the driving forces created during a shot act on the projectile and on the weapon barrel. For rigid gun barrels, this force must be absorbed by the supporting components.
Die
Aus der
Werden die Rücklaufkräfte zu groß, wählt man ein zurücklaufendes Rohr, dem durch die Gaswirkung eine kinetische Energie mitgeteilt wird und bremst es während und nach der Schussabgabe über einen bestimmten Rücklaufweg, mit einer Bremsvorrichtung solange ab, bis die kinetische Energie abgebaut ist. Nach Beendigung der Bremsung wird das Waffenrohr mit einer Vorholeinrichtung, mechanisch, Feder oder pneumatisch, wieder in die vordere Position gebracht. Das Spannen dieser Vorholeinrichtung erfolgt während des Waffenrücklaufes.If the return forces are too great, one chooses a returning pipe, which is communicated by the gas effect kinetic energy and brakes it during and after firing a certain return path, with a braking device until the kinetic energy is dissipated. After completion of the braking the gun barrel is brought back to the front position with a Vorholeinrichtung, mechanically, spring or pneumatic. The tensioning of this Vorholeinrichtung takes place during the weapon return.
Eine Waffenrohrbremse auf Basis eines Bremskolbens beschreibt die
Aus der
Die Erfindung stellt sich die Aufgabe, ein Waffenrücklaufsystem aufzuzeigen, das mit geringem Bauvolumen auskommend den Abbau der kinetischen Energie des zurücklaufenden Waffenrohres und ein Vorholen in Schussposition realisiert.The invention has as its object to show a weapon return system, the auskommend with low volume realized the reduction of the kinetic energy of the returning gun barrel and a prefetching in firing position.
Gelöst wird die Aufgabe durch die Merkmale des Patentanspruchs 1. Vorteilhafte Ausgestaltungen sind in den Unteransprüchen aufgeführt.The problem is solved by the features of
Der Erfindung liegt die Idee zugrunde, eine relativ einfache Rücklaufkonstruktion ohne die bisher erforderlichen Regeleinrichtungen in den hydraulischen Rohrbremsen zu konzipieren. Dazu stützt sich das Waffenrohr auf einem Druckgaspolster ab. In dieser vorderen Position wird das Waffenrohr gehalten. Durch die Schussabgabe wird dem Waffenrohr kinetische Energie zugeführt. Diese Energie ist am Ende des Rücklaufs als Volumenänderungsarbeit in dem Gaspolster gespeichert. Ein mit dem Waffenrohr fest verbundener Kolben befindet sich in einem mit einer Flüssigkeit gefüllten Raum. Dieser Kolben wird beim Rohrrücklauf und beim Rohrvorlauf durch die Flüssigkeit gezogen und ist so gestaltet, dass beim Rohrrücklauf ein großer Querschnitt für das Strömen der Flüssigkeit offen ist, sodass ein relativ geringer Staudruck entsteht. Beim Rohrvorlauf hingegen ist nur ein kleiner Querschnitt offen, sodass ein großer Staudruck entsteht. Das gespannte Gaspolster drückt bzw. schiebt das Waffenrohr mit relativ konstanter Geschwindigkeit wieder in die vordere Position. Die Volumenänderungsarbeit des Gases wird während des Vorlaufes an einer Drosselstelle in Wärmeenergie umgewandelt. - Es wird somit eine relativ einfache Rücklaufsystemkonstruktion ohne die bisher erforderlichen Regeleinrichtungen in den hydraulischen Rohrbremsen geschaffen, wobei sich das Waffenrohr auf dem Druckgaspolster (im Druckzylinder) abstützt.The invention is based on the idea to design a relatively simple return design without the previously required control devices in the hydraulic tube brakes. For this purpose, the gun barrel is supported on a compressed gas cushion. In this forward position, the gun barrel is held. By firing the gun barrel kinetic energy is supplied. This energy is stored at the end of the return as volume change work in the gas cushion. A piston fixedly connected to the barrel is in a space filled with a liquid. This piston is pulled through the liquid during the pipe return and the pipe advance and is designed so that the pipe return a large cross section for the flow of the liquid is open, so that a relatively low back pressure arises. On the other hand, only a small cross-section is open during the pipe advance, resulting in a large back pressure. The strained gas cushion pushes or pushes the gun barrel at a relatively constant speed back into the forward position. The volume change work of the gas is converted into heat energy during the flow at a throttle point. - It is thus created a relatively simple return system design without the previously required control devices in the hydraulic tube brakes, with the gun barrel on the compressed gas cushion (in the pressure cylinder) is supported.
Da die Energieumwandlung nun erst im Rohrvorlauf geschieht und hier eine relativ konstante Antriebskraft des Druckgases zur Verfügung steht, kann auf die erforderlichen Regeleinrichtungen verzichtet werden. Es können kompakte Waffen geschaffen werden, da alle Funktionsgruppen konzentrisch um das Waffenrohr gruppierbar sind. Zudem ist die Anzahl der Bauteile minimierbar.Since the energy conversion now happens only in the tube flow and here a relatively constant driving force of the compressed gas is available, can be dispensed with the necessary control devices. Compact weapons can be created because all functional groups concentrically grouped around the barrel. In addition, the number of components is minimized.
Der Anfangsdruck des Gaspolsters kann zur Anpassung an unterschiedliche Ladungen variiert und / oder Kaliber angepasst werden, um die Waffenbelastung möglichst gering zu halten. Eine Nutzung bei Klein- und Mittelkaliberwaffen als auch Großkaliberwaffen ist denkbar.The initial pressure of the gas cushion can be varied to accommodate different loads and / or caliber adapted to minimize the weapon load. A use with small and medium caliber weapons as well as large caliber weapons is conceivable.
Anhand eines Ausführungsbeispiels mit Zeichnung soll die Erfindung näher erläutert werden. Die hier dargestellte Ausführung zeigt eine Granatwerferwaffe, ist aber nicht auf diese Anwendung beschränkt.Reference to an embodiment with drawing, the invention will be explained in more detail. The design shown here shows a grenade launcher, but is not limited to this application.
Es zeigt:
- Fig. 1
- eine schematische Darstellung einer Waffe mit Waffenrücklaufsystem - perspektivisch von hinten,
- Fig. 2
- eine perspektivische Ansicht der Waffe in teilweise aufgeschnittener Darstellung - perspektivisch von vorne,
- Fig. 3
- eine seitliche Schnittdarstellung der Waffe mit dem Waffenrücklaufsystem.
- Fig. 1
- a schematic representation of a weapon with weapon return system - in perspective from behind,
- Fig. 2
- a perspective view of the weapon in a partially cutaway view - in perspective from the front,
- Fig. 3
- a side sectional view of the weapon with the weapon return system.
Das Waffenrohrende ist mit dem Kolben 11 und Führungsteilen und Dichtungen 10, 12 zur Komprimierung eines Gaspolsters im Druckzylinder 5 verbunden, und im mittleren Bereich mit einem Ringkolben 13 mit Durchströmkanälen. Eine mittels einer Feder 8 betätigbare Hülse 17 (Schiebehülse) verschließt diese Kanäle bei Stillstand und Rohrvorlauf. Beim Rücklauf des Waffenrohres 2 wird diese Hülse 17 vom strömenden Fluid verschoben, sodass die Kanäle geöffnet sind. Zur Sicherstellung der Dichtheit des Systems 3 ist ein weiteres Führungs- und Dichtsystem eingebunden und mit 15 gekennzeichnet. Der Kolben 11 ist so gestaltet, dass beim Rohrrücklauf ein großer Querschnitt für das Strömen der Flüssigkeit offen ist und ein relativ geringer Staudruck entsteht, beim Rohrvorlauf hingegen nur ein kleiner Querschnitt offen ist, sodass ein großer Staudruck entsteht.The weapon tube end is connected to the
Der am Waffengehäuse 6 anflanschbare Druckbehälter 4 enthält das vorgesehene Druckgasvolumen. Ein Wärmeausgleichsystem 16 im Druckbehälter 4 dient zur Kompensierung der Änderung des Flüssigkeitsvolumens durch den Temperatureinfluss.The flange on the weapon housing 6
Mit 20 ist eine zu verschießende Munition gekennzeichnet.At 20 an ammunition to be fired is marked.
Claims (8)
- Weapon recoil system (3), consisting at least of a pressure vessel (4) and a pressure cylinder (5) with a pressure piston (11), for a weapon barrel (2) that is axially displaceable in the weapon housing (6), wherein- the end of the weapon barrel is connected to the pressure piston (11) for compressing a gas cushion in the pressure cylinder (5), characterized in that the end of the weapon barrel is connected in the middle region to an annular piston (13) with through-flow channels for a braking fluid, and- a sleeve (17) that can be actuated by means of a spring (8) closes these channels when the barrel is at a standstill and is advanced and this sleeve (17) is displaced by the flowing fluid when the weapon barrel (2) is recoiled, and the channels are thereby opened.
- Weapon recoil system according to Claim 1, characterized in that the annular piston (13) is designed such that, when the barrel is recoiled, a large cross section is open for the flowing of the liquid, whereby a relatively small back pressure is produced, whereas, when the barrel is advanced, only a small cross section is open, so that a great back pressure is produced.
- Weapon recoil system according to Claim 1 or 2, characterized in that the weapon housing (6) is itself designed such that, with a built-in weapon barrel (2), a space (20) that resembles a braking cylinder (9) is produced between the barrel guiding sides in the circular ring cross section.
- Weapon recoil system according to one of Claims 1 to 3, characterized in that from the end of the weapon barrel there is formed a further cylindrical space (21), so that simple attachment of the pressure cylinder (5) is made possible.
- Weapon recoil system according to one of Claims 1 to 4, characterized in that the pressure vessel (4) that can be flange-mounted on the weapon housing (6) contains the intended volume of compressed gas.
- Weapon recoil system according to Claim 5, characterized in that the initial pressure of the gas cushion can be varied to adapt to different charges and/or the calibre can be adapted.
- Weapon recoil system according to one of Claims 1 to 6, characterized in that a heat equalizing system (16) in the pressure vessel (4) serves for compensating for the changing of the volume of liquid due to the influence of temperature.
- Weapon recoil system according to one of Claims 1 to 7, characterized in that the weapon housing (6) is preferably enclosed by a heat sink (7) in the region of the firing chamber.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910039548 DE102009039548A1 (en) | 2009-09-01 | 2009-09-01 | Weapons return system |
PCT/EP2010/005011 WO2011026561A1 (en) | 2009-09-01 | 2010-08-14 | Weapon recoil system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2473812A1 EP2473812A1 (en) | 2012-07-11 |
EP2473812B1 true EP2473812B1 (en) | 2013-10-02 |
Family
ID=43015758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10745556.0A Not-in-force EP2473812B1 (en) | 2009-09-01 | 2010-08-14 | Weapon recoil system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2473812B1 (en) |
DE (1) | DE102009039548A1 (en) |
WO (1) | WO2011026561A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012022682B8 (en) | 2012-11-21 | 2015-05-13 | Rheinmetall Waffe Munition Gmbh | Tube weapon with a mass-locking locking system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2413703A (en) * | 1943-07-24 | 1947-01-07 | Henry C Fischer | Piece of ordnance |
US4108046A (en) * | 1975-06-06 | 1978-08-22 | The United States Of America As Represented By The Secretary Of The Navy | Liquid-gas constant force recoil spring |
DE2921542A1 (en) * | 1979-05-28 | 1980-12-04 | Alfons Georg Zeis | Hydraulic breech for automatic weapon - has larger and smaller pistons inside cylindrical chamber, with smaller piston passing trough partition |
DE3824153A1 (en) | 1988-07-16 | 1990-04-26 | Rheinmetall Gmbh | ARM PIPE RETURN BRAKE WITH FORWARD DAMPING |
DE10232014B4 (en) | 2002-07-16 | 2011-01-05 | Rheinmetall Waffe Munition Gmbh | Barrel brake |
DE102006003510A1 (en) * | 2006-01-24 | 2007-07-26 | Oerlikon Contraves Ag | Gas spring for a revolver or cap gun |
DE102006014155A1 (en) | 2006-03-24 | 2007-09-27 | Rheinmetall Waffe Munition Gmbh | Hydropneumatic braking and recuperation system e.g. for recoil cannons, has adjustable working piston arranged between gun barrel of cannon and non-return mechanism |
DE102007050014A1 (en) | 2007-10-17 | 2009-04-30 | Rheinmetall Waffe Munition Gmbh | Barrel storage |
DE102007051246A1 (en) | 2007-10-26 | 2009-04-30 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Small or medium caliber machine gun |
-
2009
- 2009-09-01 DE DE200910039548 patent/DE102009039548A1/en not_active Withdrawn
-
2010
- 2010-08-14 WO PCT/EP2010/005011 patent/WO2011026561A1/en active Application Filing
- 2010-08-14 EP EP10745556.0A patent/EP2473812B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
WO2011026561A1 (en) | 2011-03-10 |
DE102009039548A1 (en) | 2011-03-03 |
EP2473812A1 (en) | 2012-07-11 |
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