EP2710321B1 - Arme de poing à commande manuelle ou lanceur de grenades automatique - Google Patents

Arme de poing à commande manuelle ou lanceur de grenades automatique Download PDF

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Publication number
EP2710321B1
EP2710321B1 EP12721255.3A EP12721255A EP2710321B1 EP 2710321 B1 EP2710321 B1 EP 2710321B1 EP 12721255 A EP12721255 A EP 12721255A EP 2710321 B1 EP2710321 B1 EP 2710321B1
Authority
EP
European Patent Office
Prior art keywords
hydraulic cylinder
weapon barrel
handgun
piston
cylinder
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
Application number
EP12721255.3A
Other languages
German (de)
English (en)
Other versions
EP2710321A1 (fr
Inventor
Ralf-Joachim Herrmann
Heiner Schmees
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Priority to PL12721255T priority Critical patent/PL2710321T3/pl
Priority to SI201231978T priority patent/SI2710321T1/sl
Priority to HRP20220167TT priority patent/HRP20220167T1/hr
Publication of EP2710321A1 publication Critical patent/EP2710321A1/fr
Application granted granted Critical
Publication of EP2710321B1 publication Critical patent/EP2710321B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F41A25/10—Spring-operated systems
    • F41A25/12—Spring-operated systems using coil springs
    • 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
    • F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
    • F41A25/16—Hybrid systems
    • F41A25/18—Hydroelastic systems

Definitions

  • the invention relates to a hand-operated or an automatic handgun with a small- or medium-caliber weapon barrel and a barrel carrier receiving the barrel.
  • the mount must be made more stable and heavier than when using ammunition for which the firearm was originally designed.
  • the gun barrel carrier and the gun barrel are usually elastically connected to one another by a return and retrieval device in order to reduce recoil.
  • a return and retrieval device in order to reduce recoil.
  • a spring and a damping element are used as the return and retrieval device (see, for example: Rheinmetall, "Weapons Technology Taschenbuch ", 7th edition 1985, pages 266 ff ).
  • the return energy minus the friction is stored in the spring and released again as forward energy.
  • the return path of the weapon barrel depends linearly on the recoil energy. When ammunition with different impulses is fired, the return path is also influenced and functional problems of the firearm may occur under certain circumstances.
  • a hydraulic return brake as a return device for the weapon barrel in large-caliber firearms (artillery weapons), which comprises at least one hydraulic cylinder with a piston with a piston rod axially displaceable therein, the hydraulic cylinder being connected to the weapon carrier and the piston rod to the base of the weapon barrel.
  • the piston is displaced by the return movement of the weapon barrel and the hydraulic fluid located in front of the piston is pressed through a narrow flow cross-section into a cylinder space located behind the piston.
  • the projectile pulse given by the mass and speed which is transmitted to the weapon in a very short phase of projectile acceleration, can be stretched over time. Since the return energy is converted into heat when it is returned, an additional attenuator is superfluous.
  • the braking force of the hydraulic return brake depends on the square of the return speed, so that the return path changes only insignificantly for ammunition types with different recoil energies.
  • the U.S. 4,388,855 A discloses a handgun having a pneumatic slide retarder for retarding movement of a movable slide moved in response to a shot.
  • the relative movement between the weapon parts is not generated specifically in order to reduce the recoil force, but is required for the weapon function as such.
  • the DE 23 00 909 A1 discloses a device for multi-stage, hydraulic-mechanical braking of the forward movement of the displaceable barrel of an automatic firearm, with a hydraulic brake which has a cylinder in which a brake piston with check valves is arranged.
  • the invention is based on the object of specifying a handgun of the type mentioned at the outset, in which the maximum recoil force is lower than in comparable known handguns.
  • the invention is essentially based on the idea of connecting the weapon barrel and the weapon barrel carrier to one another via a hydraulic return brake and a retraction device, even in the case of a manually operated or automatic handgun with a small or medium-caliber weapon barrel, the return brake having at least one hydraulic cylinder with an axially displaceable therein Includes piston with piston rod.
  • the return brake having at least one hydraulic cylinder with an axially displaceable therein Includes piston with piston rod.
  • the inner wall of the hydraulic cylinder has at least one axial passage for the continuous connection of a cylinder space of the hydraulic cylinder in front of the piston with the cylinder space behind the piston.
  • the axial passage can preferably be at least one control groove located in the inner wall of the hydraulic cylinder.
  • the inner wall of the hydraulic cylinder is formed by a control bushing which is arranged in the hydraulic cylinder in a form-fitting manner and in which the respective control groove is located.
  • the respective control groove can have a contour such that the braking force is essentially constant along the return path of the weapon barrel remain.
  • the retraction device of the handgun is formed by a cylinder spring (retraction spring) which extends in the longitudinal direction of the hydraulic cylinder and surrounds the piston rod, the first end of which is located on the front inner wall of the hydraulic cylinder and is supported with its opposite, second end on the piston.
  • a cylinder spring retract spring
  • a handgun is thus specified in which the maximum recoil force is reduced to a level that is tolerable for the shooter, even with higher projectile pulses, and the mount can be lighter when mounted than with comparable known firearms, so that, for example, the firing precision is improved in the case of bursts of fire.
  • Fig. 1 1 denotes a handgun, which is, for example, an automatic grenade launcher.
  • the grenade launcher 1 comprises a medium-caliber weapon barrel 2 with a caliber of 40 mm, for example, and a breech 3 arranged on the rear of the weapon barrel 2.
  • the weapon barrel 2 is connected to a weapon barrel carrier 4 (which can be a housing, for example) via a reverse brake 5.
  • the weapon barrel carrier 4 has a return guide 6 along which the weapon barrel 2 is arranged so as to be axially displaceable.
  • the return brake 5 comprises a hydraulic cylinder 7 ( Fig. 2 ) with an axially displaceable piston 8 with piston rod 9 in relation to the hydraulic cylinder 7.
  • the inner wall 11 of the hydraulic cylinder 7 is formed by a control bushing 12 arranged in a form-fitting manner in the hydraulic cylinder 7, in which there are four control grooves 13 which are evenly distributed over the circumference and extend in the longitudinal direction of the hydraulic cylinder 7.
  • the control grooves 13 form an axial passage for the hydraulic fluid in such a way that it can pass from a cylinder space 14 of the hydraulic cylinder 7 in front of the piston 8 into a cylinder space 15 behind the piston 8 (and vice versa).
  • the control grooves 13 each have a conically tapering contour ( Fig. 3 ), which is selected such that the braking force of the return brake 5 remains essentially constant along the return path of the weapon barrel.
  • the recoil device is also located in the return brake 5 and is formed by a cylinder spring (recoil spring) 16 which extends in the longitudinal direction of the hydraulic cylinder 7 and encloses the piston rod 9 and which has its first end 17 on the front inner wall 18 of the hydraulic cylinder 7 and is supported with its opposite, second end 19 on the piston 8.
  • a cylinder spring (recoil spring) 16 which extends in the longitudinal direction of the hydraulic cylinder 7 and encloses the piston rod 9 and which has its first end 17 on the front inner wall 18 of the hydraulic cylinder 7 and is supported with its opposite, second end 19 on the piston 8.
  • the return pulse is transmitted within a very short time to the return mass consisting essentially of the weapon barrel 2, breech 3 and hydraulic cylinder 7. This is accelerated against the firing direction. A large part of the hydraulic fluid is now pressed through the control grooves 13 from the cylinder chamber 14 into the cylinder chamber 15, whereby a braking effect is exerted on the return mass.
  • the conically tapering contour of the control grooves 13 results in an almost constant braking force along the return path of the weapon barrel, which is less than the gas force of the ammunition on the breech 3.
  • the return spring 16 arranged in the hydraulic cylinder 7 is tensioned at the same time, which the weapon barrel 2 then returns to pushes back its starting position.
  • the invention is of course not limited to the illustrated embodiment.
  • the hydraulic cylinder 7 can alternatively also be connected to the weapon barrel carrier 4 and the piston rod 9 to the weapon barrel 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Lock And Its Accessories (AREA)
  • Braking Arrangements (AREA)
  • Actuator (AREA)

Claims (5)

  1. Arme de poing manuelle ou automatique (1) comprenant un canon de petit ou moyen calibre (2) et un support de canon (4) qui loge le canon (2), ladite arme présentant les caractéristiques suivantes :
    a) le canon d'arme (2) et le support de canon (4) sont reliés l'un à l'autre par un frein de recul (5) et un mécanisme pousseur (16) ;
    b) le frein de recul (5) comprend au moins un vérin hydraulique (7) muni d'un piston (8) situé à l'intérieur du vérin hydraulique, déplaçable axialement par rapport au vérin hydraulique (7) et pourvu d'une tige de piston (9), le vérin hydraulique (7) étant relié au canon (2) et la tige de piston (9) étant reliée au support de canon (4) ou bien le vérin hydraulique (7) étant relié au support de canon (4) et la tige de piston (9) étant reliée au canon (2) ;
    c) la paroi intérieure (11) du vérin hydraulique (7) comporte au moins un passage axial (13) destiné à relier de bout en bout un espace de vérin (14) du vérin hydraulique (7) qui est situé devant le piston (8) à l'espace de vérin (15) qui est situé derrière le piston (8) .
  2. Arme de poing selon la revendication 1, caractérisée en ce que le passage axial (13) est au moins une rainure de commande ménagée dans la paroi intérieure (11) du vérin hydraulique (7).
  3. Arme de poing selon la revendication 2, caractérisée en ce que la paroi intérieure (11) du vérin hydraulique (7) est formée par une douille de commande (12) qui est disposée par complémentarité de forme dans le vérin hydraulique (7) et dans laquelle est ménagée la rainure de commande respective (13).
  4. Arme de poing selon la revendication 2 ou 3, caractérisée en ce que la rainure de commande respective (13) présente un contour tel que la force de freinage résultant du tir le long de la trajectoire de recul du canon (2) reste sensiblement constante.
  5. Arme de poing selon l'une des revendications 1 à 4, caractérisée en ce que le mécanisme pousseur (16) de l'arme de poing (1) est formé par un ressort de vérin qui s'étend dans la direction longitudinale du vérin hydraulique (7), qui entoure la tige de piston (9) et qui est en appui avec sa première extrémité (17) sur la paroi intérieure côté frontal (18) du vérin hydraulique (7) et avec sa deuxième extrémité opposée (19) sur le piston (8) .
EP12721255.3A 2011-05-16 2012-05-10 Arme de poing à commande manuelle ou lanceur de grenades automatique Active EP2710321B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL12721255T PL2710321T3 (pl) 2011-05-16 2012-05-10 Ręcznie obsługiwana ręczna broń palna lub automatyczny granatnik
SI201231978T SI2710321T1 (sl) 2011-05-16 2012-05-10 Ročna pištola ali avtomatski metalec granat
HRP20220167TT HRP20220167T1 (hr) 2011-05-16 2012-05-10 Ručni pištolj ili automatski bacač granata

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011101653A DE102011101653A1 (de) 2011-05-16 2011-05-16 Handbetätigbare oder automatische Schusswaffe
PCT/EP2012/058619 WO2012156266A1 (fr) 2011-05-16 2012-05-10 Arme à feu à commande manuelle ou automatique

Publications (2)

Publication Number Publication Date
EP2710321A1 EP2710321A1 (fr) 2014-03-26
EP2710321B1 true EP2710321B1 (fr) 2021-11-10

Family

ID=46085599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12721255.3A Active EP2710321B1 (fr) 2011-05-16 2012-05-10 Arme de poing à commande manuelle ou lanceur de grenades automatique

Country Status (12)

Country Link
EP (1) EP2710321B1 (fr)
CY (1) CY1124973T1 (fr)
DE (1) DE102011101653A1 (fr)
DK (1) DK2710321T3 (fr)
ES (1) ES2905735T3 (fr)
HR (1) HRP20220167T1 (fr)
HU (1) HUE057422T2 (fr)
LT (1) LT2710321T (fr)
PL (1) PL2710321T3 (fr)
PT (1) PT2710321T (fr)
SI (1) SI2710321T1 (fr)
WO (1) WO2012156266A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230175829A1 (en) 2020-05-08 2023-06-08 BüHLER GMBH Transport device having at least one chain

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH71069A (de) * 1915-08-13 1915-12-01 Jean Braem Einrichtung zur stoßfreien Lagerung der Schildzapfen von Rohrrücklaufgeschützen
US2877690A (en) * 1953-11-25 1959-03-17 Aircraft Armaments Inc Counter recoil governor for a recoil type gun
CH550373A (de) * 1972-01-18 1974-06-14 Oerlikon Buehrle Ag Einrichtung zur mehrstufigen, hydraulisch-mechanischen abbremsung der vorlaufbewegung des verschiebbaren rohres einer selbsttaetigen feuerwaffe.
US4388855A (en) * 1980-10-06 1983-06-21 Sokolovsky Paul J Firearm pneumatic slide decelerator assembly
DE3133144A1 (de) 1981-08-21 1983-03-10 Diehl GmbH & Co, 8500 Nürnberg Hydraulische rohrruecklaufbremse
FR2633710B1 (fr) * 1988-06-30 1993-09-24 France Etat Armement Dispositif d'etancheite entre les organes mobiles d'un frein de recul d'artillerie

Also Published As

Publication number Publication date
DE102011101653A1 (de) 2012-11-22
LT2710321T (lt) 2022-03-10
HRP20220167T1 (hr) 2022-05-27
HUE057422T2 (hu) 2022-05-28
ES2905735T3 (es) 2022-04-11
SI2710321T1 (sl) 2022-05-31
WO2012156266A1 (fr) 2012-11-22
DK2710321T3 (da) 2022-02-14
EP2710321A1 (fr) 2014-03-26
PL2710321T3 (pl) 2022-04-04
CY1124973T1 (el) 2023-01-05
PT2710321T (pt) 2022-02-11

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