EP3867591B1 - Magazine for a large-calibre weapon, and turret provided with such a magazine - Google Patents

Magazine for a large-calibre weapon, and turret provided with such a magazine Download PDF

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Publication number
EP3867591B1
EP3867591B1 EP19804842.3A EP19804842A EP3867591B1 EP 3867591 B1 EP3867591 B1 EP 3867591B1 EP 19804842 A EP19804842 A EP 19804842A EP 3867591 B1 EP3867591 B1 EP 3867591B1
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EP
European Patent Office
Prior art keywords
ammunition
weapon
belt conveyor
magazine
loading
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EP19804842.3A
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German (de)
French (fr)
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EP3867591A1 (en
Inventor
Yves Martinez
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Nexter Systems SA
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Nexter Systems SA
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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
    • F41A23/00—Gun mountings, e.g. on vehicles; Disposition of guns on vehicles
    • F41A23/24—Turret gun mountings
    • 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
    • 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
    • F41A9/38—Loading arrangements, i.e. for bringing the ammunition into the firing position
    • F41A9/45—Loading arrangements, i.e. for bringing the ammunition into the firing position the cartridge chamber or the barrel as a whole being tiltable or transversely slidable between a loading and a firing position
    • 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
    • F41A9/38—Loading arrangements, i.e. for bringing the ammunition into the firing position
    • F41A9/48—Loading by gravitational force
    • 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

Definitions

  • the invention belongs to the technical field of magazines for large caliber weapons and turrets equipped with such a magazine.
  • Such a magazine requires the use of an intermediate operator, which slows down the rate of fire of the weapon and impacts the total volume of the turret.
  • the invention proposes to solve this problem of speed of loading as well as the problem of size.
  • the invention relates to an automated ammunition magazine comprising a first belt conveyor called internal conveyor for ammunition parallel to each other which is organized in an endless rotating loop, a second belt conveyor called external conveyor is also organized in a rotating loop without end which surrounds the first belt conveyor for ammunition parallel to each other, each belt conveyor being able to move the ammunition so as to successively place the longitudinal axis of each ammunition in the same vertical plane, store characterized in that the ammunition located in the aforementioned vertical plane, called the loading plane, have their longitudinal axes which converge.
  • each belt conveyor is able to drive the ammunition independently of any movement of the other belt conveyor.
  • each belt conveyor is driven by specific motor means.
  • each belt conveyor comprises a series of cells connected to each other by articulated links, each cell comprising means for holding ammunition.
  • the magazine comprises two discharge means, a first discharge means associated with the first belt conveyor and a second discharge means associated with the second external conveyor belt, each discharge means being positioned in a fixed manner at the level of the loading plane.
  • each discharge means comprising a pusher intended to introduce ammunition into the chamber of the weapon.
  • the invention also relates to a turret comprising a large-caliber weapon that can be steered in elevation and comprising an automated ammunition magazine according to one of the preceding characteristics, a magazine located behind the weapon, each belt conveyor of the magazine being able to moving each ammunition that it carries successively in the vertical plane, called the loading plane, a plane which also passes through the axis of the barrel of the weapon, turret characterized in that the weapon can be tilted with a first elevation angle loading bay in which its longitudinal axis is aligned with the axis of a first ammunition arranged in the internal belt conveyor which itself has its longitudinal axis in the loading plane, the weapon being able to be tilted with a second angle of loading site in which its longitudinal axis is aligned with the axis of a second ammunition arranged in the outer belt conveyor with its axis in the loading plane.
  • the first loading site angle and the second loading site angle are negative site angles, that is to say such that the weapon is pointing downwards.
  • the first loading site angle and the second loading site angle converge towards a pivot axis transverse to the weapon.
  • the axis transverse to the weapon is coaxial with the axis of pivoting of the trunnions of the weapon.
  • a turret 100 intended to equip a combat tank comprises a weapon 10 equipped with a tube 11 of large caliber.
  • the weapon 10 is integral with the turret 100 at the level of pins 12 allowing the pivoting of the weapon 10 around an axis 12a horizontal and transverse to the weapon 10 in order to perform pointings in elevation. Pointing in bearing is ensured by the pivoting of the turret 100 around a circular turret bearing 101.
  • an ammunition magazine 1 comprising two endless belt conveyors 2 and 3. Each conveyor 2 and 3 is intended to supply the weapon 10 according to the methods described. further away.
  • Each belt conveyor 2 and 3 comprises a series of cells 13 connected to each other by articulated links 14, each cell 13 comprising means for holding ammunition.
  • Each conveyor thus comprises at all times two linear band portions L which are connected by two cylindrical band portions C with axes parallel and parallel to the axes of the cells 13 (or ammunition). Each band 2 and 3 thus winds between the geometric axes of the cylindrical portions C.
  • Such a type of belt conveyor is described in particular by the patent FR2668253 and it is not necessary to describe it in detail.
  • each conveyor 2 and 3 comprises motor means 501 and 502 ( figure 4 ) capable of driving the bands 2 and 3 by rotation in a direction transverse to the ammunition 13.
  • the movements of each conveyor 2 and 3 take place independently of one another by these motor means 501 and 502, each means being specific to a conveyor.
  • Such an arrangement makes it possible to move a conveyor 2 or 3 in masked time while the other conveyor 2 or 3 supplies the weapon 10 for example.
  • each conveyor 2 and 3 are guided by the ends of each cell 13 which have rollers (not visible rollers) which follow grooves 601 and 602 located on the sides 700 of the magazine 1, grooves 601 and 602 each forming a closed circuit associated with one of the conveyors.
  • each belt conveyor 2 or 3 is able to present, one after the other, each ammunition 200 that it contains with the axis of this ammunition positioned in a vertical plane P passing through the axis X of the tube 11 of the weapon 10.
  • This plane P will be called loading plane.
  • a first munition 201, of the internal belt conveyor 2 which is located in the plane P, has its longitudinal axis 301 which converges with the longitudinal axis 302 of a second munition 202 carried by the external belt conveyor 3 located she also in the plane P.
  • ⁇ on the figure 2a the angle between axes 301 and 302.
  • the longitudinal axes 301 and 302 also converge towards the transverse axis 12a of the pins 12 of the weapon 10.
  • the longitudinal axis X of the tube 11 of the weapon can be aligned with the longitudinal axis 301 of a first ammunition 201 of the internal belt conveyor 2 which is located in the plane P.
  • the alignment is simply obtained by pivoting the weapon 11 around its elevation axis 12a until it has a first loading elevation angle ⁇ 1.
  • the ammunition 201 is opposite the tube 11 of the weapon 10 and can be loaded automatically into the chamber of the weapon using a first associated discharge means 401 to the internal belt conveyor 2.
  • a discharge means 401 is described for example in the patent FR2668253 and comprises a non-visible pusher intended to push ammunition from a cell located in the loading plane P into the chamber of the weapon 11 (chamber not visible).
  • the first loading site angle ⁇ 1 corresponds to pointing the weapon 11 downwards (relative to the horizontal line H).
  • the forces of gravity which are exerted on the ammunition 201 facilitate the transfer of the latter from the internal conveyor 2 towards the chamber of the weapon 11.
  • this second loading site angle ⁇ 2 is such that the weapon 10 points downwards for the same reasons as explained previously.
  • the loading will also take place automatically using a second discharge means 402 associated with the external belt conveyor 3, second discharge means 402 also comprising a pusher (pusher not visible).
  • the invention therefore makes it possible to reduce the size of the magazine by placing an external conveyor and an internal conveyor concentrically, but above all it makes it possible to obtain efficient automatic loading which does not impact the usual aiming of a weapon in elevation.
  • the loading site angles ⁇ 1 and ⁇ 2 are respectively of the order of ⁇ 2 degrees and ⁇ 6 degrees with a difference ⁇ of 4 degrees between the two pointings. These relatively close angles ⁇ 1 and ⁇ 2 make it possible to pass quickly from one loading position to another.
  • the rate of fire or the speed of changing the type of ammunition can also be significantly increased since when ammunition of a belt conveyor is being loaded the other conveyor can freely transport another ammunition into the loading plane P to prepare the next shot.
  • arrow ammunition can be placed in the internal conveyor and explosive ammunition in the external conveyor.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Specific Conveyance Elements (AREA)

Description

L'invention appartient au domaine technique des magasins pour arme de gros calibre et des tourelles équipées d'un tel magasin.The invention belongs to the technical field of magazines for large caliber weapons and turrets equipped with such a magazine.

Il est classiquement connu d'alimenter une arme de gros calibre (calibre supérieur à 40 mm) avec un magasin situé en partie arrière d'une tourelle de véhicule militaire tel qu'un char par exemple. Afin de faciliter l'alimentation de l'arme il est connu aussi de doter le magasin d'un convoyeur à bande sans fin et pour optimiser le remplissage du magasin on entoure un premier convoyeur à bande sans fin par la bande d'un second convoyeur tel que décrit dans le brevet US4873911 qui vise ainsi à améliorer la compacité du magasin.It is conventionally known to feed a large caliber weapon (caliber greater than 40 mm) with a store located in the rear part of a turret of a military vehicle such as a tank for example. In order to facilitate the feeding of the weapon, it is also known to equip the magazine with an endless belt conveyor and to optimize the filling of the magazine, a first endless belt conveyor is surrounded by the belt of a second conveyor. as described in the patent US4873911 which aims to improve the compactness of the store.

Un tel magasin impose l'usage d'un opérateur intermédiaire ce qui ralentit la cadence de tir de l'arme et impacte le volume total de la tourelle.Such a magazine requires the use of an intermediate operator, which slows down the rate of fire of the weapon and impacts the total volume of the turret.

L'invention propose de résoudre ce problème de rapidité du chargement ainsi que le problème d'encombrement.The invention proposes to solve this problem of speed of loading as well as the problem of size.

L'invention porte sur un magasin à munitions automatisé comportant un premier convoyeur à bande dit convoyeur interne pour munitions parallèles entre elles qui est organisé en une boucle rotative sans fin, un second convoyeur à bande dit convoyeur externe est également organisé en une boucle rotative sans fin qui entoure le premier convoyeur à bande pour munitions parallèles entre elles, chaque convoyeur à bande étant apte à déplacer les munitions de manière à placer successivement l'axe longitudinal de chaque munition dans un même plan vertical, magasin caractérisé en ce que les munitions situées dans le plan vertical précité, dénommé plan de chargement, ont leurs axes longitudinaux qui convergent.The invention relates to an automated ammunition magazine comprising a first belt conveyor called internal conveyor for ammunition parallel to each other which is organized in an endless rotating loop, a second belt conveyor called external conveyor is also organized in a rotating loop without end which surrounds the first belt conveyor for ammunition parallel to each other, each belt conveyor being able to move the ammunition so as to successively place the longitudinal axis of each ammunition in the same vertical plane, store characterized in that the ammunition located in the aforementioned vertical plane, called the loading plane, have their longitudinal axes which converge.

Avantageusement, chaque convoyeur à bande est apte à entraîner les munitions indépendamment de tout mouvement de l'autre convoyeur à bande.Advantageously, each belt conveyor is able to drive the ammunition independently of any movement of the other belt conveyor.

Avantageusement, chaque convoyeur à bande est entraîné par un moyen moteur spécifique.Advantageously, each belt conveyor is driven by specific motor means.

Avantageusement, chaque convoyeur à bande comprend une série d'alvéoles reliées les unes aux autres par des maillons articulés, chaque alvéole comportant des moyens de maintien d'une munition.Advantageously, each belt conveyor comprises a series of cells connected to each other by articulated links, each cell comprising means for holding ammunition.

Avantageusement, le magasin comporte deux moyens de refoulement, un premier moyen de refoulement associé au premier convoyeur à bande et un second moyen de refoulement associé au second convoyeur à bande externe, chaque moyen de refoulement étant positionné de façon fixe au niveau du plan de chargement dans lequel une munition peut être mise à poste dans la chambre d'une arme, chaque moyen de refoulement comprenant un poussoir destiné à introduire une munition dans la chambre de l'arme.Advantageously, the magazine comprises two discharge means, a first discharge means associated with the first belt conveyor and a second discharge means associated with the second external conveyor belt, each discharge means being positioned in a fixed manner at the level of the loading plane. in which ammunition can be placed in the chamber of a weapon, each discharge means comprising a pusher intended to introduce ammunition into the chamber of the weapon.

L'invention porte également sur une tourelle comportant une arme de gros calibre orientable en site et comportant un magasin à munitions automatisé selon l'une des caractéristiques précédentes, magasin situé en arrière de l'arme, chaque convoyeur à bande du magasin étant apte à déplacer chaque munition qu'il porte successivement dans le plan vertical, dénommé plan de chargement, plan qui passe également par l'axe du tube de l'arme, tourelle caractérisée en ce que l'arme peut être inclinée avec un premier angle de site de chargement dans lequel son axe longitudinal est aligné avec l'axe d'une première munition disposée dans le convoyeur à bande interne qui a elle-même son axe longitudinal dans le plan de chargement, l'arme pouvant être inclinée avec un second angle de site de chargement dans lequel son axe longitudinal est aligné avec l'axe d'une seconde munition disposée dans le convoyeur à bande externe avec son axe dans le plan de chargement.The invention also relates to a turret comprising a large-caliber weapon that can be steered in elevation and comprising an automated ammunition magazine according to one of the preceding characteristics, a magazine located behind the weapon, each belt conveyor of the magazine being able to moving each ammunition that it carries successively in the vertical plane, called the loading plane, a plane which also passes through the axis of the barrel of the weapon, turret characterized in that the weapon can be tilted with a first elevation angle loading bay in which its longitudinal axis is aligned with the axis of a first ammunition arranged in the internal belt conveyor which itself has its longitudinal axis in the loading plane, the weapon being able to be tilted with a second angle of loading site in which its longitudinal axis is aligned with the axis of a second ammunition arranged in the outer belt conveyor with its axis in the loading plane.

Avantageusement, le premier angle de site de chargement et le second angle de site de chargement sont des angles de site négatif, c'est-à-dire tels que l'arme pointe vers le bas.Advantageously, the first loading site angle and the second loading site angle are negative site angles, that is to say such that the weapon is pointing downwards.

Avantageusement, le premier angle de site de chargement et le second angle de site de chargement convergent vers un axe de pivotement transversal à l'arme.Advantageously, the first loading site angle and the second loading site angle converge towards a pivot axis transverse to the weapon.

Avantageusement, l'axe transversal à l'arme est coaxial à l'axe de pivotement des tourillons de l'arme.Advantageously, the axis transverse to the weapon is coaxial with the axis of pivoting of the trunnions of the weapon.

L'invention sera mieux comprise à la lecture de la description suivante, description faite au regard des dessins annexés, dessins dans lesquels :

  • [Fig.1] : représente une vue de trois quarts et en transparence d'une tourelle selon l'invention ;
  • [Fig.2a] : représente une vue schématique de coté en coupe longitudinale suivant un plan vertical d'une tourelle équipée d'un magasin selon l'invention ;
  • [Fig.2b] : représente une vue schématique de dessus en coupe longitudinale suivant un plan horizontal d'une tourelle équipée d'un magasin selon l'invention ;
  • [Fig.3] : représente une vue schématique de coté en coupe longitudinale suivant un plan vertical d'une tourelle équipée d'un magasin selon l'invention lors d'un premier mode d'utilisation ; et
  • [Fig.4] : représente une vue de détail de trois quarts arrière et en transparence d'une tourelle selon l'invention.
The invention will be better understood on reading the following description, description given with regard to the appended drawings, drawings in which:
  • [ Fig.1 ]: represents a view of three quarters and in transparency of a turret according to the invention;
  • [ Fig.2a ]: shows a schematic side view in longitudinal section along a vertical plane of a turret equipped with a magazine according to the invention;
  • [ Fig.2b ]: shows a schematic top view in longitudinal section along a horizontal plane of a turret equipped with a magazine according to the invention;
  • [ Fig.3 ]: shows a schematic side view in longitudinal section along a vertical plane of a turret equipped with a magazine according to the invention during a first mode of use; and
  • [ Fig.4 ]: represents a detail view of three quarters rear and in transparency of a turret according to the invention.

Selon la figure 1, une tourelle 100 destinée à équiper un char de combat (non représenté) comporte une arme 10 équipée d'un tube 11 de gros calibre. L'arme 10 est solidaire de la tourelle 100 au niveau de tourillons 12 permettant le pivotement de l'arme 10 autour d'un axe 12a horizontal et transversal à l'arme 10 afin d'effectuer des pointages en site. Le pointage en gisement est assuré par le pivotement de la tourelle 100 autour d'un roulement circulaire de tourelle 101.According to figure 1 , a turret 100 intended to equip a combat tank (not shown) comprises a weapon 10 equipped with a tube 11 of large caliber. The weapon 10 is integral with the turret 100 at the level of pins 12 allowing the pivoting of the weapon 10 around an axis 12a horizontal and transverse to the weapon 10 in order to perform pointings in elevation. Pointing in bearing is ensured by the pivoting of the turret 100 around a circular turret bearing 101.

Vers l'arrière AR de la tourelle 100, derrière l'arme 10 se situe un magasin 1 à munitions comportant deux convoyeurs à bande sans fin 2 et 3. Chaque convoyeur 2 et 3 est destiné à approvisionner l'arme 10 selon les modalités décrites plus loin.Towards the rear rear of the turret 100, behind the weapon 10 is an ammunition magazine 1 comprising two endless belt conveyors 2 and 3. Each conveyor 2 and 3 is intended to supply the weapon 10 according to the methods described. further away.

Chaque convoyeur à bande 2 et 3 comprend une série d'alvéoles 13 reliées les unes aux autres par des maillons 14 articulés, chaque alvéole 13 comportant des moyens de maintien d'une munition.Each belt conveyor 2 and 3 comprises a series of cells 13 connected to each other by articulated links 14, each cell 13 comprising means for holding ammunition.

Chaque convoyeur comporte ainsi à tout moment deux portions de bande linéaires L qui sont reliées par deux portions de bande cylindriques C d'axes parallèles et parallèles aux axes des alvéoles 13 (ou munitions). Chaque bande 2 et 3 s'enroule ainsi entre les axes géométriques des portions cylindriques C. Un tel type de convoyeur à bande est décrit en particulier par le brevet FR2668253 et il n'est pas nécessaire de le décrire en détails.Each conveyor thus comprises at all times two linear band portions L which are connected by two cylindrical band portions C with axes parallel and parallel to the axes of the cells 13 (or ammunition). Each band 2 and 3 thus winds between the geometric axes of the cylindrical portions C. Such a type of belt conveyor is described in particular by the patent FR2668253 and it is not necessary to describe it in detail.

Dans un même convoyeur 2 ou 3, des munitions de gros calibre 200 sont disposées parallèlement les unes aux autres avec leurs ogives dirigées vers l'avant AV comme cela est visible à la figure 2b. Chaque convoyeur 2 et 3 comporte des moyens moteurs 501 et 502 (figure 4) aptes à entraîner les bandes 2 et 3 par rotation selon un sens transversal aux munitions 13. Les déplacements de chaque convoyeur 2 et 3 se font indépendamment l'un de l'autre par ces moyens moteurs 501 et 502, chaque moyen étant spécifique à un convoyeur. Une telle disposition permet de déplacer un convoyeur 2 ou 3 en temps masqué pendant que l'autre convoyeur 2 ou 3 alimente l'arme 10 par exemple.In the same conveyor 2 or 3, ammunition of large caliber 200 are arranged parallel to each other with their warheads directed forwards AV as is visible at the figure 2b . Each conveyor 2 and 3 comprises motor means 501 and 502 ( figure 4 ) capable of driving the bands 2 and 3 by rotation in a direction transverse to the ammunition 13. The movements of each conveyor 2 and 3 take place independently of one another by these motor means 501 and 502, each means being specific to a conveyor. Such an arrangement makes it possible to move a conveyor 2 or 3 in masked time while the other conveyor 2 or 3 supplies the weapon 10 for example.

Comme visible à la figure 4, les bandes de chaque convoyeur 2 et 3 sont guidées par les extrémités de chaque alvéoles 13 qui comportent des galets (galets non visibles) qui suivent des gorges 601 et 602 situées sur des flancs 700 du magasin 1, gorges 601 et 602 formant chacune un circuit fermé associé à un des convoyeurs.As seen at figure 4 , the bands of each conveyor 2 and 3 are guided by the ends of each cell 13 which have rollers (not visible rollers) which follow grooves 601 and 602 located on the sides 700 of the magazine 1, grooves 601 and 602 each forming a closed circuit associated with one of the conveyors.

Selon la figure 2b, chaque convoyeur à bande 2 ou 3 est apte à présenter, l'une après l'autre, chaque munition 200 qu'il contient avec l'axe de cette munition positionné dans un plan P vertical passant par l'axe X du tube 11 de l'arme 10. Ce plan P sera dénommé plan de chargement.According to figure 2b , each belt conveyor 2 or 3 is able to present, one after the other, each ammunition 200 that it contains with the axis of this ammunition positioned in a vertical plane P passing through the axis X of the tube 11 of the weapon 10. This plane P will be called loading plane.

En considérant la tourelle coupée suivant le plan P de chargement comme à la figure 2a, on note que les convoyeurs 2 et 3 du magasin 1 sont inclinés l'un par rapport à l'autre.Considering the turret cut according to the loading plane P as at the figure 2a , it is noted that the conveyors 2 and 3 of the magazine 1 are inclined relative to each other.

Plus précisément, une première munition 201, du convoyeur à bande interne 2 qui est située dans le plan P, a son axe longitudinal 301 qui converge avec l'axe longitudinal 302 d'une seconde munition 202 portée par le convoyeur à bande externe 3 située elle aussi dans le plan P. On a noté α sur la figure 2a l'angle entre les axes 301 et 302.More specifically, a first munition 201, of the internal belt conveyor 2 which is located in the plane P, has its longitudinal axis 301 which converges with the longitudinal axis 302 of a second munition 202 carried by the external belt conveyor 3 located she also in the plane P. We have noted α on the figure 2a the angle between axes 301 and 302.

Les axes longitudinaux 301 et 302 convergent par ailleurs vers l'axe transversal 12a des tourillons 12 de l'arme 10.The longitudinal axes 301 and 302 also converge towards the transverse axis 12a of the pins 12 of the weapon 10.

Comme visible à la figure 3, l'axe longitudinal X du tube 11 de l'arme peut être aligné avec l'axe longitudinal 301 d'une première munition 201 du convoyeur à bande interne 2 qui est située dans le plan P.As seen at picture 3 , the longitudinal axis X of the tube 11 of the weapon can be aligned with the longitudinal axis 301 of a first ammunition 201 of the internal belt conveyor 2 which is located in the plane P.

L'alignement est simplement obtenu en faisant pivoter l'arme 11 autour de son axe de site 12a jusqu'à lui donner un premier angle de site de chargement β1.The alignment is simply obtained by pivoting the weapon 11 around its elevation axis 12a until it has a first loading elevation angle β1.

Une fois ce premier angle de site β1 de chargement atteint la munition 201 est en regard du tube 11 de l'arme 10 et peut être chargée automatiquement dans la chambre de l'arme à l'aide d'un premier moyen de refoulement 401 associé au convoyeur à bande interne 2. Un tel moyen de refoulement 401 est décrit par exemple dans le brevet FR2668253 et comporte un poussoir non visible destiné à pousser une munition d'une alvéole située dans le plan de chargement P jusque dans la chambre de l'arme 11 (chambre non visible).Once this first loading site angle β1 has been reached, the ammunition 201 is opposite the tube 11 of the weapon 10 and can be loaded automatically into the chamber of the weapon using a first associated discharge means 401 to the internal belt conveyor 2. Such a discharge means 401 is described for example in the patent FR2668253 and comprises a non-visible pusher intended to push ammunition from a cell located in the loading plane P into the chamber of the weapon 11 (chamber not visible).

On notera que le premier angle de site de chargement β1 correspond à un pointage de l'arme 11 vers le bas, (relativement à la ligne horizontale H). Ainsi les forces de gravité qui s'exercent sur la munition 201 facilitent le transfert de celle-ci du convoyeur interne 2 vers la chambre de l'arme 11.It will be noted that the first loading site angle β1 corresponds to pointing the weapon 11 downwards (relative to the horizontal line H). Thus the forces of gravity which are exerted on the ammunition 201 facilitate the transfer of the latter from the internal conveyor 2 towards the chamber of the weapon 11.

On a également représenté à la figure 3 en pointillés l'arme 10 inclinée selon un second angle de site de chargement β2 dans lequel l'axe longitudinal X du tube de l'arme 10 se trouve aligné avec l'axe longitudinal 302 d'une seconde munition 202 disposée dans le convoyeur externe 3.We were also represented at the picture 3 in dotted lines the weapon 10 inclined at a second loading site angle β2 in which the longitudinal axis X of the tube of the weapon 10 is aligned with the longitudinal axis 302 of a second ammunition 202 disposed in the external conveyor 3.

On note, que là aussi ce second angle de site de chargement β2 est tel que l'arme 10 pointe vers le bas pour les mêmes raisons qu'expliquées précédemment. Le chargement se fera là aussi de manière automatique à l'aide d'un second moyen de refoulement 402 associé au convoyeur à bande externe 3, second moyen de refoulement 402 comportant lui aussi un poussoir (poussoir non visible).It is noted that here too this second loading site angle β2 is such that the weapon 10 points downwards for the same reasons as explained previously. The loading will also take place automatically using a second discharge means 402 associated with the external belt conveyor 3, second discharge means 402 also comprising a pusher (pusher not visible).

L'invention permet donc de réduire l'encombrement du magasin en plaçant un convoyeur externe et un convoyeur interne de manière concentriques mais surtout elle permet d'obtenir un chargement automatique efficace qui n'impacte pas le pointage habituel d'une arme en site.The invention therefore makes it possible to reduce the size of the magazine by placing an external conveyor and an internal conveyor concentrically, but above all it makes it possible to obtain efficient automatic loading which does not impact the usual aiming of a weapon in elevation.

Les angles de site de chargement β1 et β2 sont respectivement de l'ordre de -2 degrés et -6 degrés avec un écart α de 4 degrés entre les deux pointages. Ces angles β1 et β2 relativement proches permettent de passer rapidement d'une position de chargement à l'autre.The loading site angles β1 and β2 are respectively of the order of −2 degrees and −6 degrees with a difference α of 4 degrees between the two pointings. These relatively close angles β1 and β2 make it possible to pass quickly from one loading position to another.

La cadence de tir ou la rapidité de changement de type de munition peut par ailleurs être augmentée significativement puisque lorsqu'une munition d'un convoyeur à bande est en cours de chargement l'autre convoyeur peut librement transporter une autre munition jusque dans le plan de chargement P pour préparer le tir suivant. On pourra par exemple disposer des munitions flèches dans le convoyeur interne et des munitions explosives dans le convoyeur externe.The rate of fire or the speed of changing the type of ammunition can also be significantly increased since when ammunition of a belt conveyor is being loaded the other conveyor can freely transport another ammunition into the loading plane P to prepare the next shot. For example, arrow ammunition can be placed in the internal conveyor and explosive ammunition in the external conveyor.

Claims (9)

  1. - An automated ammunition magazine (1) comprising a first belt conveyor (2), so-called internal conveyor, for rounds of ammunition (200) that are parallel to each other, which is arranged in an endless rotating loop, wherein a second belt conveyor (3), so-called external conveyor, is also arranged in an endless rotating loop that surrounds the first belt conveyor (2) for rounds of ammunition (200) that are parallel to each other, each belt conveyor (2, 3) being able to move the rounds of ammunition (200) so as to place the longitudinal axis (301, 302) of each round of ammunition (200) successively in the same vertical plane (P), the magazine (1) being characterised in that the rounds of ammunition (200) located in the aforementioned vertical plane (P), called the loading plane (P), have their longitudinal axes (301, 302) converging.
  2. - The magazine (1) according to claim 1, characterised in that each belt conveyor (2, 3) is capable of driving the rounds of ammunition (200) independently of any movement of the other belt conveyor (2, 3).
  3. - The magazine (1) according to claim 2, characterised in that each belt conveyor (2, 3) is driven by a specific drive means (501, 502).
  4. - The magazine (1) according to one of claims 1 to 3, characterised in that each belt conveyor (2, 3) comprises a series of cells (13) connected to each other by articulated links (14), each cell (13) comprising means for holding a round of ammunition.
  5. - The magazine according to claim 4, characterised in that it comprises two ramming means (401, 402), namely a first ramming means (401) related to the first belt conveyor (2) and a second ramming means (402) related to the second external belt conveyor (3), each ramming means (401, 402) being fixedly positioned at the loading plane (P) in which a round of ammunition (200) can be positioned in the chamber of a weapon (10), each ramming means (401,402) comprising a rammer for introducing a round of ammunition (201,202) into the chamber of the weapon.
  6. - A turret (100) comprising a large-calibre weapon (11) that can be oriented in elevation and comprising an automated ammunition magazine (1) according to one of the previous claims, the magazine (1) being located behind the weapon (10), each belt conveyor (2, 3) of the magazine (1) being capable of moving each round of ammunition (200) that it carries successively in the vertical plane (P), referred to as the loading plane (P), wherein the plane (P) also passes through the axis (X) of the barrel (11) of the weapon (10), the turret (100) being characterised in that the weapon (10) can be tilted at a first loading elevation angle (β1) in which its longitudinal axis (X) is aligned with the axis (301) of a first round of ammunition (201) arranged in the internal belt conveyor (3) which itself has its longitudinal axis (301) in the loading plane (P), the weapon (10) being tiltable at a second loading elevation angle (β2) in which its longitudinal axis (X) is aligned with the axis (302) of a second round of ammunition (202) arranged in the external belt conveyor (2) with its axis in the loading plane.
  7. - The turret (100) according to claim 6, characterised in that the first loading elevation angle (β1) and the second loading elevation angle (β2) are negative elevation angles, i.e. such that the weapon (10) points downwards.
  8. - The turret (100) according to one of claims 6 or 7, characterised in that the first loading elevation angle (β1) and the second loading elevation angle (β2) converge towards a pivot axis (12a) transverse to the weapon (10).
  9. - The turret (100) according to claim 8, characterised in that the axis (12a) transverse to the weapon (10) is coaxial with the pivot axis (12a) of the trunnions (12) of the weapon (10).
EP19804842.3A 2018-10-19 2019-10-18 Magazine for a large-calibre weapon, and turret provided with such a magazine Active EP3867591B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1801119A FR3087527B1 (en) 2018-10-19 2018-10-19 MAGAZINE FOR LARGE CALIBER AND TURRET WEAPON EQUIPPED WITH SUCH A SHOP
PCT/IB2019/058904 WO2020079658A1 (en) 2018-10-19 2019-10-18 Magazine for a large-calibre weapon, and turret provided with such a magazine

Publications (2)

Publication Number Publication Date
EP3867591A1 EP3867591A1 (en) 2021-08-25
EP3867591B1 true EP3867591B1 (en) 2022-10-12

Family

ID=65685402

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19804842.3A Active EP3867591B1 (en) 2018-10-19 2019-10-18 Magazine for a large-calibre weapon, and turret provided with such a magazine

Country Status (5)

Country Link
EP (1) EP3867591B1 (en)
FR (1) FR3087527B1 (en)
IL (1) IL282310B1 (en)
PL (1) PL3867591T3 (en)
WO (1) WO2020079658A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1231012A (en) * 1952-02-25 1960-09-26 Creusot Forges Ateliers Feeding device for automatic cannon loading
US4690031A (en) * 1983-06-03 1987-09-01 Rheinmetall Gmbh Automatic loader for an armored vehicle having a rotatable turret
FR2553875B1 (en) * 1983-10-21 1988-04-15 Creusot Loire DEVICE FOR FEEDING AND LOADING ANY AZIMUT AND ANY SITE OF A WEAPON IN AMMUNITION
US4873911A (en) 1988-11-21 1989-10-17 General Dynamics Land Systems, Inc. Double loop ammunition magazine of compact construction
FR2668253B1 (en) 1990-10-17 1994-09-30 Creusot Loire DEVICE FOR IDENTIFYING AND MONITORING THE AMMUNITION OF A SELF-LOADING FIREARMS AND METHOD FOR ITS IMPLEMENTATION.

Also Published As

Publication number Publication date
IL282310B1 (en) 2024-05-01
PL3867591T3 (en) 2022-12-12
EP3867591A1 (en) 2021-08-25
IL282310A (en) 2021-05-31
FR3087527B1 (en) 2020-10-02
FR3087527A1 (en) 2020-04-24
WO2020079658A1 (en) 2020-04-23

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