EP1686344B1 - Dispositif de réception de douilles pour munition sans bande - Google Patents

Dispositif de réception de douilles pour munition sans bande Download PDF

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Publication number
EP1686344B1
EP1686344B1 EP05024768A EP05024768A EP1686344B1 EP 1686344 B1 EP1686344 B1 EP 1686344B1 EP 05024768 A EP05024768 A EP 05024768A EP 05024768 A EP05024768 A EP 05024768A EP 1686344 B1 EP1686344 B1 EP 1686344B1
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EP
European Patent Office
Prior art keywords
case
ammunition
sleeve
cartridge chamber
catching
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
EP05024768A
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German (de)
English (en)
Other versions
EP1686344A1 (fr
Inventor
Roland Bertiller
Hubert Schneider
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
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Publication date
Application filed by Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP1686344A1 publication Critical patent/EP1686344A1/fr
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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
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/61—Magazines
    • F41A9/64—Magazines for unbelted ammunition
    • F41A9/76—Magazines having an endless-chain conveyor
    • 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
    • F41A15/00—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun
    • F41A15/04—Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun specially adapted for cartridge cases being deformed when fired, e.g. of plastics

Definitions

  • the invention relates to a sleeve catcher for unbalanced ammunition for a machine gun, in particular in aircraft and anti-aircraft systems.
  • the ammunition feed system has a fixed spiral ramp for conveying the ammunition from the ammunition box to the loading and firing system. Each ammunition comes through its sleeve in abutment against the spiral ramp.
  • a chain used here consists of a sequence of elastically designated and deformable chain links. These are each connected in pairs by web waves articulated. On these are stored recordings for the ammunition.
  • the system includes two elastic side edges.
  • the deformable parallelogram allows the gun-side section of the conveyor to move laterally.
  • the conveyor has an upper clamping member and a lower clamping member to dampen the vibrations of the chain. A return of the sleeves, for example, in the ammunition box is not provided.
  • a transfer unit between the transport chain and a supply chain of the weapon realizes the transfer of ammunition from the transport chain to the weapon.
  • On the underside of the gear train of this transfer unit are identical to the ammunition transfer on the upper side of a guide wheel and slide rails attached, via which the empties of the cannon can be transferred to the ammunition system. Further details are not provided.
  • the EP 1 024 339 B1 describes an ammunition magazine for a beltless guided ammunition.
  • the aim is that in particular when accelerating the ammunition leadership chain no lots arise.
  • the ammunition feeder itself has an ammunition feed chain which is guided in an endless loop around two pulleys. In the vicinity of the second pulley a self-loading weapon is provided, which takes over the cartridges, shoots and in turn passes the empty cartridge case to the ammunition supply chain. The way of this return will not be described further.
  • the ammunition supply chain of the ammunition supply device is elastic in a certain way and causes by appropriate restoring forces a reciprocating rotary movement of the transfer device or the non-driven deflection unit and the ammunition guide chain.
  • the ammunition supply chain consists of several successive bowl-shaped receptacles.
  • the EP 0 337 735 A1 discloses a cartridge delivery system of beltless cartridges for delivery to a rapid-fire machine gun and the return of the remaining sleeves to an ammunition magazine.
  • the essence of this system is that the transport device in the ammunition magazine contains a series of closely spaced cartridge carriers.
  • Each of these carriers has a pair of opposed, hinged, interconnected carrier halves adapted to accept automatically closed, cartridge-holding relative positions while located in the rectilinear path portions of the conveyor, and to accept automatically opened, cartridge-disengaging relative positions as they enter the Turning path sections of the transport device are.
  • transport gears are involved, one for slowing down on transport speed and one for accelerating to a suitable transmission speed.
  • a collecting device for a sleeve on a closing weapon is known.
  • the collecting device is formed by a well-known for turrets extractor and a guide to the feed and ejection tray with a located behind this shell, formed as a feeder buffer.
  • the guide is half-shell-shaped incorporated on the upper side of the closure, the ejection tray itself kept hinged around the longitudinal axis.
  • the gun barrel is fed with the projectile from one side and the sleeve from the other side. These are placed in the guide on the closure and in the ejection tray.
  • the later serving as a buffer feeder pushes both parts in the barrel, the shutter is guided in its upward position.
  • the closure is again brought down, the sleeve pulled out of the barrel through the extractor attached to the gun barrel and placed along the guide on the ejection tray in an end position, the buffer braking the sleeve.
  • the ejection tray is folded with sleeve around its own longitudinal axis and the sleeve ejected forward.
  • the invention has the object to show a return of the sleeves or a Zündversagers a gurtgellosen ammunition. This is to be achieved, in particular the shot down sleeves sorted by the system back into the ammunition container (magazine), so that no additional space is necessary. Furthermore, the loading and unloading time should be reduced by the simple handling.
  • the invention is based on the idea to include for the return of the sleeves (empties) in the ammunition container on the ammunition feeder a preferably weapon-side sleeve guide or sleeve discharge (ejector) and run the chain or conveyor used to transport the ammunition in interaction with this ejector in that the sleeves come to rest in the chain links of the conveyor.
  • the proposed ejector works with catch springs, which are located between the ejection tube and sleeve damper, and has the task defined to direct the ejected at very high speed pods of fused ammunition in the ammunition chain.
  • the sleeve is directed to a preferably mounted in the housing of a Munitionszusammlung concerneds sleeve damper.
  • the ammunition feeder is usually part of the weapon and is driven by a drum of the weapon on the drum axis.
  • the sleeve damper dampens the ejected at very high speed pods so strong that they can be caught in the sleeve catching feathers.
  • the sleeve catching feathers for their part, have the task of preventing the sleeves from rebounding. This is preferably done by a latching in a Ausziehrille the sleeve. As a result, these sleeves are defined guided in the sleeve section of the ammunition chain.
  • the sleeve damper may preferably be equipped as a hydraulic, mass or spring damping system.
  • the proposed solution is further provided with a conveyor which is flexible in nature and consists of two pairs of sprockets with bearings, a frame, U-shaped double chains connected by connecting rods and guide rails for the ammunition or sleeves.
  • the sprockets and frame are used to transport and guide the ammunition chain.
  • the bearings of the sprockets should be movably connected in the frame, for example, slots, so that a longitudinal compensation is possible with each weapon movement.
  • the chain links are also preferably designed as spring elements due to their example U-shaped shape.
  • the chain links are designed as elastic elements, wherein in particular the material properties is utilized and the elasticity results from the chain length change.
  • the ammunition and the returned sleeves are captively guided in guide rails and in the ammunition chain at the Ausziehrand the sleeve and held axially.
  • the weapon-mounted gearbox drives the ammunition chain via the conveyor axis via the drum axis.
  • the drum axis and the Conveyorachse are preferably designed as a coupling element between the weapon and ammunition feeder, so that the weapon and ammunition chain can be separated from the ammunition feeder by axial displacement of the axes. This process is usually desirable for the loading and unloading of the weapon system.
  • a cyclic feeding of the ammunition into the actual shot position to be taken after transfer to the weapon has the advantage that the feeder does not have to go along with the entire supply and return of the weapon for reloading.
  • a defined groove is preferably introduced into the cartridge chamber of the weapon drum.
  • the position of the groove in the chamber is matched to the geometry and nature of the cartridges or ammunition / sleeve.
  • the ejector When attaching the ejector, that is, when pulling out of the sleeve, the ejector must apply so much force or tension that the sleeve deformed into the groove is pulled out of the groove and thus the cartridge chamber via the deformation path.
  • This construction thus ensures a cartridge chamber with a defined sleeve extraction resistance and is independent of lubrication and the surface of the cartridge chamber.
  • Fig. 1 the principle of the sleeve return is shown, with only the parts essential to the invention have been identified.
  • 1 with a here shown excerpt conveyor is marked, which transported in this illustration pods 2 a lost ammunition 3 (not visible here).
  • the sleeves 2 are by an arms-side extractor 4 in an ejection position 5 ( Fig. 2 ) are transferred to a discharge tube marked 6.
  • This ejection tube 6 is preferably in the housing of a Munitionszu concernss 7, which is usually part of a weapon, not shown, involved.
  • this ejector tube 6 in functional harmony, there is a designated 8 sleeve damper, which dampens the ejected at very high speed sleeves 2.
  • the sleeve damper 8 For trouble-free operation of the sleeve damper 8 is brought after each shot in its original position. Is the sleeve damper 8 a spring damping system, this can be positively controlled by its own spring force in the starting position. This forced control is also possible via a cam wheel with control cam (not shown in detail), which can be integrated in the transmission 9 of the ammunition feeder 7 itself.
  • Fig. 2 shows in a view the interaction ammunition transport and sleeve removal.
  • the gearbox 9 drives by means of the drum axis 10 of the weapon on the Conveyorachse 11 the ammunition chain 1 'for the ammunition supply and sleeve discharge.
  • the ammunition chain 1 'conveys cartridges 3 into the ammunition feeder 7 of the weapon from an ammunition container (not shown).
  • the cartridges or ammunition 3 is held in the chain links 12 and guided into the region of the sprocket 14 of the conveyor 1.
  • the ammunition 3 is then handed over in the area of the sprocket 14 on the weapon side a rotor 15 of the ammunition feeder 7 and in this position by the rotor 15 to a weapon-side feed star 16. Due to the number of drums, this feed star 16 has five notches and five positions for the ammunition 3 connected thereto. Further positions are the actual firing position 17 and the ejection position 5 of the sleeve 2.
  • the ejection tube 6 which guides the sleeves 2 in a sleeve-catching position 18 along a sleeve lead 19.
  • a sensor 20 is used inter alia for functional testing.
  • the drum of the weapon rotates and the sleeve 2 is ejected, for which purpose the extractor 4 engages the edge 22 of the sleeve 2.
  • the ejected at high speed sleeve 2 is passed through the ejection tube 6 to sleeve catch springs 21.
  • sleeve catch springs 21 of the sleeve buffer or sleeve damper 8 Upon impact of the sleeve 2 on the sleeve catch springs 21 of the sleeve buffer or sleeve damper 8 is acted upon by the sleeve 2.
  • the sleeve damper 8 here a spring system, springs in and reduces the collection energy of the sleeve 2.
  • the stroke of the sleeve damper 8 is designed so that the sleeve 2 are caught by the sleeve catch springs 21 on the withdrawal edge 22 of the sleeve 2.
  • the sleeve 2 is characterized defined in the ammunition chain 1 '. The next shot, the system is rotated further and the sleeve 2 is returned via the ammunition chain 1 'in the ammunition container.
  • the reset of the sleeve damper 8 is preferably realized in this embodiment by the energy in their own springs.
  • the weapon is mounted damped in a return system (not shown in detail). Since the ammunition container is usually rigidly mounted, the transfer of the ammunition 3 takes place via a flexible embodiment of the conveyor 1.
  • FIG. 3 shown Conveyor 1 consists essentially of the sprocket 15 ( Fig. 2 ), from guides 23, bridges 24, Zuclassmaschinen 25, side walls 26 and a magazine-side sprocket 27.
  • the bridges 24, 25 and the side walls 26 serve to stabilize the conveyor 1 and form the frame of the conveyor 1.
  • the sprockets 14, 27 via, for example, slots in the context of the conveyor 1 receives this additional flexibility.
  • Fig. 4 is a cartridge chamber 30 of the ammunition feeder 7 or parts of the bearing are shown in a sectional view.
  • a defined groove 31 is introduced in the cartridge chamber 30 in the cartridge chamber 30, a defined groove 31 is introduced.
  • the position and shape of the groove 31 in the cartridge chamber 30 is matched to the geometry and nature of the cartridge 3 and its sleeve 2, not shown here. 32, the bearing housing of the cartridge chamber 30 is marked.
  • Fig. 4 a shows an enlarged section A of Fig. 1 to clearly show the groove 31.
  • Fig. 5 the cartridge chamber 30 is shown with the here indicated cartridge 3 with sleeve 2.
  • the extractor 4 attacks, with the aid of the sleeve 2 is transported from the cartridge chamber 30.
  • Fig. 5a shows an enlarged section A 'of Fig. 5 which in principle works with the geometric cutout A Fig. 4 is identical.
  • the gas pressure in the cartridge case 2 causes it to be deformed on the housing 33 in such a way that it rests in the groove 31 as a result of permanent deformations 34.
  • This build-up of tension guarantees a higher, predefinable voltage level with a significantly reduced bandwidth.
  • the constant application of force also realizes a good interaction between the extract of the sleeve 2 from the cartridge chamber 30 and the catcher selbiger in the chain 1 '.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Chutes (AREA)
  • Pusher Or Impeller Conveyors (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)

Claims (11)

  1. Dispositif de reprise de douilles de munitions (3) sans organe de courroie, qui sont amenées à une arme au moyen d'un transporteur (1) et d'un dispositif (7) d'amenée de munitions, lequel dispositif présente un extracteur (4) disposé sur l'arme ainsi qu'un tube d'expulsion (6) et qu'un amortisseur à douilles (8) qui coopère fonctionnellement avec le tube d'expulsion (6), une douille (2) ou munition (3) expulsée à haute vitesse étant guidée par le tube d'expulsion (6) vers des ressorts (21) de reprise de douille situés entre le tube d'expulsion (6) et l'amortisseur à douille (8), caractérisé en ce que lorsque la douille (2) ou la munition (3) vient frapper les ressorts (21) de reprise de douille, l'amortisseur à douille (8) est sollicité par la douille (2) ou la munition (3), l'énergie de reprise est réduite et la douille (2) ou la munition (3) viennent se placer dans les maillons de chaîne du transporteur (1).
  2. Dispositif de reprise de douilles selon la revendication 1, caractérisé en ce que le tube d'expulsion (6) est intégré dans le boîtier du dispositif (7) d'amenée de munitions.
  3. Dispositif de reprise de douilles selon les revendications 1 ou 2, caractérisé en ce que l'amortisseur à douille (8) est installé dans le boîtier du dispositif (7) d'amenée de munitions.
  4. Dispositif de reprise de douilles selon l'une des revendications 1 à 3, caractérisé en ce que l'amortisseur à douille (8) est un système d'amortissement hydraulique, à masse ou à ressort.
  5. Dispositif de reprise de douilles selon l'une des revendications 1 à 4, caractérisé en ce que la course de l'amortisseur à douille (8) est conçue de telle sorte que la douille (2) ou la munition (3) soient reprises par les ressorts (21) de reprise de douille sur un bord étiré (22) de la douille (2) et viennent ainsi se placer de manière définie dans la chaîne (1') à munitions.
  6. Dispositif de reprise de douilles selon l'une des revendications précédentes, caractérisé en ce que le transporteur (1) possède un pignon de chaîne (14) du côté de l'arme et un pignon de chaîne (27) du côté du magasin, les paliers des pignons de chaîne (14, 27) étant maintenus à déplacement par exemple par des trous oblongs dans le cadre du convoyeur (1) qui est formé de ponts (24, 25) et de parois latérales (26).
  7. Dispositif de reprise de douilles selon l'une des revendications précédentes, caractérisé en ce qu'une rainure définie (31) est ménagée dans le support de cartouche (30), la position et la forme de la rainure (31) étant accordées à la géométrie et à la nature de la douille (2).
  8. Support de cartouches selon la revendication 7, caractérisé en ce que lorsque la munition (3) est tirée, la douille (2) est déformée de telle sorte que la douille (2) vient se placer dans la rainure (31) par des déformations permanentes (34).
  9. Support de cartouches selon les revendications 7 ou 8, caractérisé en ce que lorsque l'extracteur (4) est placé, il exerce une force ou une contrainte suffisante pour que la douille (2) soit extraite de la rainure (31) du support de cartouche (30) sur un parcours de déformation (X).
  10. Support de cartouches selon l'une des revendications 7 à 9, caractérisé en ce que la rainure (31) est intégrée à toute la périphérie intérieure du support de cartouches (30).
  11. Support de cartouches selon l'une des revendications 7 à 10, caractérisé en ce que la rainure (31) est interrompue et est ainsi ménagée partiellement dans la périphérie intérieure du support de cartouche (30).
EP05024768A 2005-01-27 2005-11-12 Dispositif de réception de douilles pour munition sans bande Active EP1686344B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005003751A DE102005003751B3 (de) 2005-01-27 2005-01-27 Hülsenauffangeinrichtung für eine gurtgliedlose Munition

Publications (2)

Publication Number Publication Date
EP1686344A1 EP1686344A1 (fr) 2006-08-02
EP1686344B1 true EP1686344B1 (fr) 2008-07-02

Family

ID=36061728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05024768A Active EP1686344B1 (fr) 2005-01-27 2005-11-12 Dispositif de réception de douilles pour munition sans bande

Country Status (4)

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EP (1) EP1686344B1 (fr)
AT (1) ATE399972T1 (fr)
DE (2) DE102005003751B3 (fr)
ES (1) ES2305983T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012000114A1 (de) * 2012-01-05 2013-07-11 Rheinmetall Waffe Munition Gmbh Vorrichtung zur Erkennung einer Geschossvorlage
DE102013011902A1 (de) * 2013-07-17 2015-01-22 Rheinmetall Waffe Munition Gmbh Hülsenauswurfvorrichtung und Waffe mit einer derartigen Vorrichtung
DE102015008797A1 (de) 2015-07-10 2017-01-12 Rheinmetall Waffe Munition Gmbh Hülsenauswurfvorrichtung
IL258680A (en) * 2018-04-12 2018-05-31 Atias Eliran Ammunition storage and feed system
DE102021117951A1 (de) * 2021-07-12 2023-01-12 Rheinmetall Air Defence Ag Zuführvorrichtung zum Beladen und Entladen eines radial öffnenden Munitionsbechers für ein automatisches Ladesystem eines Geschützes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855828A (en) * 1950-03-31 1958-10-14 Philias H Girouard Rapid fire gun turret apparatus
US4860633A (en) * 1985-10-04 1989-08-29 Fmc Corporation Autoloader for military vehicle
DE3644513C1 (de) 1986-12-24 1992-08-27 Dornier Gmbh Munitionszufuehrung
US4876940A (en) * 1988-04-14 1989-10-31 General Electric Company Magazine ammunition conveying system
FR2715463B1 (fr) * 1994-01-21 1996-04-05 Giat Ind Sa Système d'alimentation en munitions pour une arme à feu de moyen calibre.
DE19903347C1 (de) * 1999-01-28 2000-08-17 Heckler & Koch Gmbh Munitionsmagazin für gurtlos geführte Munition
DE10207233A1 (de) * 2002-02-21 2003-09-04 Rheinmetall W & M Gmbh Waffe

Also Published As

Publication number Publication date
DE502005004572D1 (de) 2008-08-14
ATE399972T1 (de) 2008-07-15
ES2305983T3 (es) 2008-11-01
DE102005003751B3 (de) 2006-07-20
EP1686344A1 (fr) 2006-08-02

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