EP1006332A1 - Dispositif d'alimentation en munitions pour un canon - Google Patents

Dispositif d'alimentation en munitions pour un canon Download PDF

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Publication number
EP1006332A1
EP1006332A1 EP99122224A EP99122224A EP1006332A1 EP 1006332 A1 EP1006332 A1 EP 1006332A1 EP 99122224 A EP99122224 A EP 99122224A EP 99122224 A EP99122224 A EP 99122224A EP 1006332 A1 EP1006332 A1 EP 1006332A1
Authority
EP
European Patent Office
Prior art keywords
cartridges
conveyor chain
chain
conveyor
feeder according
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.)
Granted
Application number
EP99122224A
Other languages
German (de)
English (en)
Other versions
EP1006332B1 (fr
Inventor
Peter Mannhart
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 Air Defence AG
Original Assignee
Oerlikon Contraves AG
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 Oerlikon Contraves AG filed Critical Oerlikon Contraves AG
Publication of EP1006332A1 publication Critical patent/EP1006332A1/fr
Application granted granted Critical
Publication of EP1006332B1 publication Critical patent/EP1006332B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F41A9/01—Feeding of unbelted ammunition
    • F41A9/04—Feeding of unbelted ammunition using endless-chain belts carrying a plurality of ammunition

Definitions

  • the invention relates to an ammunition feed for a cannon, the ammunition feeder Devices for the transport and transfer of cartridges to the cannon having.
  • an ammunition feeder which has a conveyor chain revolving in a housing of a magazine. Cups are provided on the conveyor chain, in which cartridges are held during transport to a drum of a revolver cannon. At a deflection point of the conveyor chain facing the drum, star-shaped deflection wheels and star-shaped transfer wheels are arranged on a common rotatable axis, the deflection wheels being in engagement with the conveyor chain.
  • a first conveyor link provided in the area of the deflection wheels takes cartridges from the conveyor chain or the transfer wheels, the cartridges being transported along a circular guide surface away from the transfer wheels to a second conveyor link.
  • the first conveyor member consists of two three-pointed stars arranged on a common rotatable axis, the gaps of which are adapted to the cross-sectional shape of the cartridges.
  • the second conveyor member is also rotatably arranged and has a guide surface for receiving a cartridge.
  • a loading star running coaxially to the drum is fastened to the drum, to which the second conveying member transfers the cartridges.
  • the invention has for its object a supply of ammunition of the aforementioned Propose a type that does not have the disadvantages mentioned above.
  • an axial transport device with a conveyor chain is provided, by means of which the cartridges are displaced in their longitudinal direction perpendicular to the direction of movement of the conveyor chain during transport.
  • a buffer shaft is provided for driving the conveyor chain, the drive being effected by the buffer shaft in such a way that the cartridges are brought into a buffer position before being transferred to the cannon.
  • the advantages achieved with the invention are particularly in the buffering capacity of the axial transport device to see what enables a faster firing sequence and Drive energy can be saved.
  • the proposed axial transport device Above all, it allows the cannon to be positioned in the center of gravity, which makes it dynamic Behavior and the energy requirement of the elevation movement of the cannon can be improved. Further advantages are the modular construction of the ammunition feeder according to the invention to see, so that manufacturing and maintenance costs can be reduced.
  • 1 denotes a magazine, which has a conveyor chain 3 formed from cup-like holding links for cartridges 2 , which is guided over chain deflection wheels 4 and to which 5 cartridges 2 can be fed via a loading opening.
  • the magazine 1 is connected to a conveyor 6 , which also has a conveyor chain 9 , which is guided over chain deflection wheels 7 , 8 and is formed from cup-like holding links for the cartridges 2 .
  • the conveyor chain 9 has the ability to store a few cartridges, so that special operating states or faults can be absorbed.
  • the cartridges 2 are transferred from the magazine 1 into the conveyor 6 by means of a transfer wheel 10 , the conveyor chains 3 and 9 of the magazine 1 and the conveyor 6 being driven by a motor 11 .
  • the conveyor chains 3 and 9 are guided in housings 12 and 13 of the magazine 1 and the conveyor 6 , respectively, in guide grooves (not shown).
  • the conveyor 6 is connected to the cradle 16 of a revolver cannon via a flexible zone 14 for the elevation compensation and via a conveyor deflection station 15 .
  • the conveyor deflection station 15 consists of a housing 17 , a front transfer wheel 18 , the chain deflection wheel 8 and a cup and cartridge guide, not shown.
  • the cartridges 2 are transferred to the front transfer wheel 18 and the empty conveyor chain 9 is deflected and returned to the magazine 1 .
  • the front transfer wheel 18 transfers the cartridges 2 to an axial transport device 19 described in more detail below with reference to FIG. 2 .
  • the conveyor deflection station 15 is connected via a gear to the axial transport device 19 , the gear being formed from gear wheels which are on the shafts of the chain deflection wheel 8 and the transfer wheel 18 and a buffer shaft 35 ( FIGS. 6 to 8 ) of the axial transport device 19 are arranged.
  • the axial transport device 19 is connected via a further transmission to a transfer station 20 , which consists of a housing 21 , a rear transfer wheel 22 , a deflection wheel 23 , a further transfer wheel 24 , a compensation guide for the weapon return and a cartridge guide.
  • the further transmission is formed from gear wheels which are arranged on shafts of the transfer wheels 22 , 24 and the deflection wheel 23 and on the buffer shaft 35 of the axial transport device 19 .
  • the transfer station 20 takes over the cartridges 2 with the rear transfer wheel 22 from the axial conveying device 19 and guides them via the deflection wheel 23 and the further transfer wheel 24 to a revolver drum 25 of the revolver cannon.
  • the revolver drum 25 has, for example, four cartridge chambers, the lowest one being located in the firing axis 26 .
  • the compensation guide compensates for the weapon return and guides the cartridges 2 in the cartridge guide.
  • the upper end of the compensating guide is rotatably mounted on the housing 21 , which follows the weapon return, while the lower end of the compensating guide is attached to the axial transport device 19 .
  • the axial transport device 19 consists of a housing 30 which is composed of two plates 31.1 and 31.2 , a casing 32 and a guide plate 33 , a conveyor chain 34 , a buffer shaft 35 , chain deflection wheels 36 , 36 ' and two chain deflection wheels 37 , the chain deflection wheels 36 , 36 'being connected to one another via the buffer shaft 35 , but the chain deflection wheels 37, however, are mounted independently of one another on the plates 31.1 and 31.2 , respectively.
  • Guide grooves 38 ( FIG. 3 ) for the conveyor chain 34 are provided on the plates 31.1 , 31.2 .
  • the casing 32 prevents the cartridges 2 from falling out and has on the inside two axial guides 39 , 40 (FIGS .
  • the axial guides 39 , 40 first cross the lower run and then the upper run of the conveyor chain 34 in order to end at the outlet of the cartridges 2 at the rear transfer wheel 22 of the transfer station 20 .
  • One axial guide 39 guides the cartridges 2 on the sleeve mouth 2.1 when the conveyor chain 34 moves in the direction of the revolver drum 25
  • the other axial guide 40 controls the position of the cartridges 2 and guides them on the sleeve bottom 2.2 when the conveyor chain 34 moves in the direction of the conveyor 6 ( FIG. 3 ).
  • the guide plate 33 is attached to the plates 31.1 , 31.2 . It thus distances the two plates 31.1 , 31.2 and guides or separates the cartridges 2 in the two runs of the conveyor chain 34 from one another.
  • the conveyor chain 34 is comprised of Figs. 4, 5, 9 and 10 of two roller chains 50, 50 'between which entrainment tubes 51 are arranged. At the ends of the driving tubes 51 , end pieces 52 are provided which have receiving bores 53 . Driver pins 54 of the roller chains 50 , 50 ' engage in the receiving bores 53 with play, the play being dimensioned such that an inclined position of the drive pipes 51 of +/- 2 ° is possible.
  • the buffer shaft consists of two parts which are connected to one another via a claw coupling 60 .
  • bolts 61 are provided which engage in arcuate slots 62 of the other coupling part 60.2 .
  • the arc length of the slots 62 is dimensioned such that the coupling parts 60.1 , 60.2 can be rotated by a cartridge pitch Pt or the distance between the driving tubes 51 of the conveyor chain 34 from one another.
  • gears 63 , 63 ' and the chain deflection wheels 36 , 36' are attached.
  • the buffer shaft 35 has a torsion shaft 65 and a stop tube 66 running coaxially with it. At the ends of the torsion shaft 65, the gears 63, 63 'and the chain reversing wheels 36, 36' attached.
  • the stop tube 66 has at one end two cutouts 67 , into which stops 68 attached to the one chain deflection wheel 36 engage. The other end of the stop tube 66 is fixedly connected to the other chain deflection wheel 36 ' .
  • the arc length of the cutouts 67 is dimensioned such that the torsion shaft 65 can be rotated from one another by a cartridge pitch Pt or the distance between the driving tubes 51 of the conveyor chain 34 .
  • the abscissa is assigned the time t and the ordinate the rotation angle W of the turret drum 25 .
  • K1 denotes a path / time characteristic of one roller chain 50
  • K2 denotes a path / time characteristic of the other roller chain 50 'of the conveyor chain 34 .
  • the coordinates R 1 to R 5 denote times of shots that are fired during one revolution of the revolver drum 25 during a certain period of time.
  • An occurring path difference D of the two roller chains 50 , 50 ' is compensated for by the buffer effect of the axial transport device 19 achieved with the buffer shaft 35 and, if appropriate, by the play of the conveyor chain 9 of the conveyor 6 .
  • St-F and St-K denote stops of the conveyor 6 and the turret gun.
  • the axial transport device 19 described above works as follows: Before firing, the roller chain 50 of the axial transport device 19 is moved from the transmission of the conveyor deflection station 15 via the gearwheel connected to the front transfer wheel 18 and the gearwheel 63 of the buffer shaft 35 as well as via the Chain deflection wheel 36 driven, one part of the buffer shaft 35 being turned as far as possible by half a cartridge pitch Pt / 2 ( FIG. 9 ).
  • the transmission of the transfer station 20 via the gear 63 ' and the other part of the buffer shaft 35 with the chain deflection wheel 36' blocks the other roller chain 50 ' , so that the driving tubes 51 of the conveyor chain 34 and the cartridges 2 are at an angle of approximately 2 ° from the middle position and take a buffer position ( Fig. 9 ).
  • the cannon can now pull off a cartridge 2 without the roller chain 50 having to move.
  • the revolving drum 25 rotates due to the explosion pressure that arises during the shooting, so that the other roller chain 50 'is very quickly driven via the transfer station 20 and the gear 63' and the chain deflection wheel 36 ' , and the driving tubes 51 and the cartridges 2 by an angle of be inclined approximately 2 ° in the other direction ( FIG. 10 ).
  • roller chains 50 , 50 'of the conveyor chain 34 move simultaneously according to the path / time characteristics K1 and K2 in FIG. 11 .
  • the revolver drum 25 of the cannon drives the one roller chain 50 ' step by step, which moves very quickly and is stopped again, twice per shot ( R1 to R5 , K2 , FIG. 11 ).
  • the other roller chain 50 driven by the conveyor deflection station 15 , runs continuously and follows the middle cadence of the cannon K1 ( FIG. 11 ). This saves drive energy by utilizing the buffer capacity of the axial transport device 19 given by the buffer shaft 35 and possibly the play of the conveyor chain 9 of the conveyor 6 .
  • the torsion shaft When using a torsion shaft as a buffer shaft, the torsion shaft is preloaded by the conveyor 6 from a central position by half a cartridge pitch Pt / 2 before firing. When firing, the cannon relaxes this preload when a cartridge 2 is pulled out and then in turn prestresses the torsion shaft in the opposite direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Specific Conveyance Elements (AREA)
  • Catching Or Destruction (AREA)
  • Nozzles (AREA)
  • Chain Conveyers (AREA)
  • Intermediate Stations On Conveyors (AREA)
EP99122224A 1998-12-04 1999-11-08 Dispositif d'alimentation en munitions pour un canon Expired - Lifetime EP1006332B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH241198 1998-12-04
CH241198 1998-12-04

Publications (2)

Publication Number Publication Date
EP1006332A1 true EP1006332A1 (fr) 2000-06-07
EP1006332B1 EP1006332B1 (fr) 2001-06-13

Family

ID=4233180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99122224A Expired - Lifetime EP1006332B1 (fr) 1998-12-04 1999-11-08 Dispositif d'alimentation en munitions pour un canon

Country Status (4)

Country Link
US (1) US6339983B1 (fr)
EP (1) EP1006332B1 (fr)
AT (1) ATE202202T1 (fr)
DE (1) DE59900124D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2196287C1 (ru) * 2001-09-05 2003-01-10 Государственное унитарное предприятие "Конструкторское бюро приборостроения" Система подачи боеприпасов автоматической пушки с магазином-звеньесборником

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6718862B1 (en) * 2002-10-01 2004-04-13 Paul H. Sanderson Sponson tow plate-mounted helicopter armament apparatus and associated methods
DE102004024302B4 (de) * 2004-05-15 2008-04-10 Kraus-Maffei Wegmann Gmbh & Co. Kg Gurtkasten für eine lafettierte Granatmaschinenwaffe
US7324311B2 (en) * 2004-05-28 2008-01-29 Hitachi Global Storage Technologies Netherlands B.V. Rie defined CPP read heads
US7918153B1 (en) * 2007-05-07 2011-04-05 Contract Fabrication and Design, LLC Ammunition magazine box with adjustable tilted interior bracket structure
US8434397B1 (en) 2012-06-08 2013-05-07 The United States Of America As Represented By The Secretary Of The Navy Helicopter weapon mounting system
US10845141B2 (en) * 2018-11-21 2020-11-24 Brendon Zinsner Multi-barrel split-breach rapid fire gun
EP4007884B1 (fr) 2019-08-01 2025-02-19 MGS Machine Corporation Machine automatisée pour l'organisation et l'alimentation de produits cylindriques
CN115111962B (zh) * 2022-06-27 2023-11-21 西安昆仑工业（集团）有限责任公司 一种进弹摇臂机构
CN115371488B (zh) * 2022-08-19 2023-09-29 西安昆仑工业（集团）有限责任公司 一种火炮装弹装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USB439669I5 (fr) * 1974-02-04 1975-01-28
US4573395A (en) * 1983-12-19 1986-03-04 Ares, Inc. Linkless ammunition magazine with shell buffer
EP0272399A1 (fr) * 1986-12-24 1988-06-29 Dornier Gmbh Dispositif d'alimentation en munitions
EP0745826A1 (fr) * 1995-05-30 1996-12-04 Oerlikon-Contraves Pyrotec AG Procédé et dispositif d'alimentation en munitions pour canon-révolver

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE423730A (fr) * 1937-05-05 Hotchkiss & Cie Ets
US4066000A (en) * 1974-04-25 1978-01-03 Brunswick Corporation Machine gun
US4093055A (en) * 1976-11-15 1978-06-06 John E. Mitchell Company Torque-transmitting, torque sensing system
DE3219800C2 (de) * 1982-05-26 1985-04-25 KUKA Wehrtechnik GmbH, 8900 Augsburg Vorrichtung zum Zuführen von Munition zu einer Maschinenwaffe
US4481859A (en) * 1983-03-09 1984-11-13 General Electric Company Gatling gun control system
US5392685A (en) * 1983-08-18 1995-02-28 Ares, Inc. Automatic cannon with carbioid-shaped shell chamber path
EP0152549A1 (fr) * 1983-12-22 1985-08-28 Werkzeugmaschinenfabrik Oerlikon-Bührle AG Dispositif d'alimentation d'armes à feu en munitions
US4833966A (en) * 1988-02-16 1989-05-30 General Electric Company Low inertia linear linkless ammunition feeding system
US4876940A (en) * 1988-04-14 1989-10-31 General Electric Company Magazine ammunition conveying system
US4882972A (en) * 1988-08-15 1989-11-28 General Electric Company Dual caliber ammunition handling system
EP0361050B1 (fr) * 1988-09-28 1992-02-26 Oerlikon-Contraves AG Convoyeur à chaîne sans fin pour chargeur de munitions
US5149909A (en) * 1991-06-13 1992-09-22 North American Dynamics Opposed round parallel path single bay ammunition feed system
US5218162A (en) * 1992-01-21 1993-06-08 General Electric Co. Double-ended ammunition handling system for rapid-fire guns
FR2714430B1 (fr) * 1993-12-27 1996-02-09 Giat Ind Sa Mécanisme de transmission de couple à commande mécanique et arme comportant un tel mécanisme.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USB439669I5 (fr) * 1974-02-04 1975-01-28
US4573395A (en) * 1983-12-19 1986-03-04 Ares, Inc. Linkless ammunition magazine with shell buffer
EP0272399A1 (fr) * 1986-12-24 1988-06-29 Dornier Gmbh Dispositif d'alimentation en munitions
EP0745826A1 (fr) * 1995-05-30 1996-12-04 Oerlikon-Contraves Pyrotec AG Procédé et dispositif d'alimentation en munitions pour canon-révolver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2196287C1 (ru) * 2001-09-05 2003-01-10 Государственное унитарное предприятие "Конструкторское бюро приборостроения" Система подачи боеприпасов автоматической пушки с магазином-звеньесборником

Also Published As

Publication number Publication date
US6339983B1 (en) 2002-01-22
DE59900124D1 (de) 2001-07-19
ATE202202T1 (de) 2001-06-15
EP1006332B1 (fr) 2001-06-13

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