EP3742102B1 - Ejecting device for ammunition links - Google Patents

Ejecting device for ammunition links Download PDF

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Publication number
EP3742102B1
EP3742102B1 EP19175940.6A EP19175940A EP3742102B1 EP 3742102 B1 EP3742102 B1 EP 3742102B1 EP 19175940 A EP19175940 A EP 19175940A EP 3742102 B1 EP3742102 B1 EP 3742102B1
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EP
European Patent Office
Prior art keywords
links
rollers
weapon
outside
ramp
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
EP19175940.6A
Other languages
German (de)
French (fr)
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EP3742102A1 (en
Inventor
Anthony COLOMINE
Innokenty GRITSKEVITCH
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.)
John Cockerill Defense SA
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John Cockerill Defense SA
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
Priority to ES19175940T priority Critical patent/ES2910160T3/en
Application filed by John Cockerill Defense SA filed Critical John Cockerill Defense SA
Priority to PL19175940T priority patent/PL3742102T3/en
Priority to EP19175940.6A priority patent/EP3742102B1/en
Priority to SG11202112910XA priority patent/SG11202112910XA/en
Priority to BR112021023138A priority patent/BR112021023138A2/en
Priority to AU2020280673A priority patent/AU2020280673A1/en
Priority to PCT/EP2020/062145 priority patent/WO2020233964A1/en
Priority to US17/612,580 priority patent/US11609055B2/en
Priority to KR1020217039646A priority patent/KR20220020807A/en
Priority to CA3141203A priority patent/CA3141203A1/en
Priority to CN202080034312.8A priority patent/CN113825971A/en
Publication of EP3742102A1 publication Critical patent/EP3742102A1/en
Priority to IL288245A priority patent/IL288245B2/en
Application granted granted Critical
Publication of EP3742102B1 publication Critical patent/EP3742102B1/en
Active 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
    • F41A9/60—Empty-cartridge-case or belt-link collectors or catchers
    • 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
    • F41A9/54—Cartridge guides, stops or positioners, e.g. for cartridge extraction
    • F41A9/56—Movable guiding means

Definitions

  • the present invention relates to a device for the automatic ejection and evacuation of ammunition links, preferably, but not exclusively, from medium-caliber guns mounted on tank turrets.
  • Medium caliber ammunition typically has a diameter between 15 and 50mm.
  • the present invention also relates to an armored vehicle comprising the automatic link evacuation device.
  • systems for evacuating ammunition links from weapons on board a tank turret are fairly bulky or cumbersome systems, characterized by an ejection which operates solely by gravity.
  • the links are either evacuated outside the hull of the turret or collected for example using a bag or a ramp.
  • the document US 4,601,230 discloses an armored vehicle turret including a main gun as well as a machine gun.
  • the turret includes a system for evacuating links out of the turret, via two rigid chutes attached to the main weapon and to a compartment with two openings to the outside.
  • Ejection chutes include guide strips to guide the links.
  • a hatch allows easy and ergonomic access to the evacuation area.
  • the document US 8,434,397 describes an automatic weapon mounting system for a vehicle such as a helicopter.
  • the weapon mounting system includes a weapon cradle supporting a machine gun.
  • the assembly is connected via a hollow cylindrical part to an inclined tubular support.
  • the hollow cylindrical part is located under the weapon and serves as a funnel in order to channel the casings and links into the cylindrical support used as an ejection channel bringing the casings and links out of the cockpit of the helicopter.
  • the present invention aims to overcome the drawbacks of the state of the art.
  • the present invention aims to provide a device for the automatic evacuation of ammunition links, mainly from medium-caliber weapons, following firing, the device being able to be carried on tank turrets.
  • the desired result is that the ammunition links are evacuated or expelled as far as possible outside the turret, that is to say at least 50 cm from the turret, and according to a controlled trajectory so as not to not obstruct the passage for the following links and thus avoid any jamming or jamming of the weapon.
  • the present invention aims to provide a simple and reliable device, completely automated and not involving the intervention of an operator during its operation.
  • This improved link evacuation device should achieve an evacuation rate of more than three links per second, continuously, given an average weapon firing rate of 200 rounds per minute.
  • the device of the present invention also aims to allow ejection of the links regardless of the inclination in which the turret is located relative to the horizontal, and regardless of the orientation and position of the links at the entrance of the system.
  • the object of the invention is to provide an armored vehicle comprising this improved device for continuously ejecting the links.
  • the figure 1 shows a side view of an example of an automatic link evacuation device according to the invention.
  • the picture 2 shows an internal view corresponding to the automatic link evacuation device according to the figure 1 .
  • a second aspect of the present invention relates to an armored vehicle or tank turret comprising an automatic weapon able to fire at a certain rate, a hatch for the evacuation of links to the outside outside the armor and a device for automatic chain link evacuation as described above, characterized in that the device is placed in the vehicle or the turret so that the entry orifice is located under the weapon to recover the links after firing by gravity at the right of the weapon, and that the exit orifice is aligned with the hatch provided for the evacuation of the links to the outside outside the shielding, in order to be able to eject the links outside with a speed determined by the rate shooting.
  • the present invention relates to an automatic evacuation device 1 of links 6 of ammunition, as illustrated in the figure 1 and 2 .
  • the links preferably come from ammunition of medium caliber weapons.
  • the device 1 can be provided on a tank turret, or any other armored vehicle, comprising a weapon system consisting for example of a main weapon such as a cannon and a machine gun.
  • the evacuation device 1 comprises a normally closed casing 9 with the exception of a first opening 2 arranged in a high position and of a size large enough to allow bulk entry. of links 6 coming from the weapon after the shot, and a second opening 3, lateral or offset with respect to the vertical of the opening 2, intended for the ejection of the links 6 outside the device 1.
  • the device 1 In use, the device 1 must be placed in the armored vehicle in an adequate manner, that is, in such a way that the entrance 2 is located exactly under the weapon to collect the links 6 after a shot, and so that the outlet opening 3 corresponds to an opening in the armored vehicle allowing the links 6 to be ejected outside the latter with a certain speed.
  • the link evacuation device successively comprises, starting from the first opening 2 towards the second opening 3, a ramp 10 with an inclination of between 15 and 50° relative to the vertical, preferably approximately 30°, said ramp also being provided with at least two channeling rollers 7, located vis-à-vis and able to rotate in opposite directions.
  • the separation interval between the two channeling rollers 7 is chosen to allow the links to pass and to orient them.
  • these channeling rollers 7 make it possible to orient the links 6 which arrive via the entry opening 2 in an appropriate position to prevent them from becoming blocked or from piling up in the device 1, and can for example take the form of two rotating brushes with parallel axes.
  • the links 6 find themselves, in use, on a horizontal path 11 delimited in height by an upper propelling roller 4 and a lower propelling roller 5, the two rollers 4 and 5 guiding and advancing the links 6 up to the exit opening 3.
  • the propelling rollers 4, 5 can advantageously be of the treadmill or conveyor belt type advancing the links 6 thanks to their respective running bands.
  • the device 1 further comprises an electric motor 8 which makes it possible to set in motion in a synchronized manner both the channeling rollers 7 and the propelling rollers 4, 5, via a suitable drive system, for example in the form of gears or belts. (not shown in the figures).
  • the propelling rollers 4 and 5 define the speed of ejection of the links 6 out of the device, and therefore from the turret/armoured vehicle.
  • the speed of the propellant rollers will depend on the rate of the weapon used, being able to go up to 300 rounds per minute, and can be adapted according to the weapon.
  • the rollers and brushes used are standard equipment known per se to those skilled in the art and easily replaceable.
  • a first advantage of the link evacuation device is that the effectiveness of the ejection of the links will be good in all cases and will not depend on the inclination of the turret or of the armored vehicle, knowing that the path of the links is random. This device therefore makes it possible not to find oneself in the problem of amassing links at the exit of a device based on gravity alone, or between the turret and the vehicle, by ejecting the links as far as possible, and certainly at at least 50 cm from the turret.
  • the device has the advantage of being able to be placed easily under any type of weapon, and of being adaptable to the latter and to the type of vehicle carrying the system.
  • the device is included in a tank turret, under the main weapon, thereby allowing the rapid and efficient evacuation of the links out of the turret.
  • the device of the invention also makes it possible to reduce the size of the opening towards the exterior of the hull or carapace of the armored vehicle.
  • Another advantage of the present invention is to provide a device that can be closed, which thus makes it possible to isolate the turret from the external environment, for example in the event of NBC (nuclear, bacteriological, chemical) conditions.
  • NBC nuclear, bacteriological, chemical
  • the device according to the invention is in the form of an independent box which can be placed in turrets already in service, possibly of different types or models.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Threshing Machine Elements (AREA)
  • Types And Forms Of Lifts (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Description

Objet de l'inventionObject of the invention

La présente invention se rapporte à un dispositif d'éjection et d'évacuation automatique de maillons de munitions, provenant de préférence, mais pas exclusivement, de canons de moyen calibre embarqués sur des tourelles de char. Les munitions de moyen calibre ont typiquement un diamètre compris entre 15 et 50mm.The present invention relates to a device for the automatic ejection and evacuation of ammunition links, preferably, but not exclusively, from medium-caliber guns mounted on tank turrets. Medium caliber ammunition typically has a diameter between 15 and 50mm.

La présente invention se rapporte également à un véhicule blindé comprenant le dispositif d'évacuation automatique des maillons.The present invention also relates to an armored vehicle comprising the automatic link evacuation device.

Arrière-plan technologique et état de la techniqueTechnological background and state of the art

A l'heure actuelle, les systèmes d'évacuation de maillons de munitions d'armes embarquées sur tourelle de char sont des systèmes assez volumineux ou encombrants, caractérisés par une éjection qui fonctionne uniquement par gravité. Les maillons sont soit évacués à l'extérieur de la coque de la tourelle soit collectés par exemple à l'aide d'un sac ou d'une rampe.At the present time, systems for evacuating ammunition links from weapons on board a tank turret are fairly bulky or cumbersome systems, characterized by an ejection which operates solely by gravity. The links are either evacuated outside the hull of the turret or collected for example using a bag or a ramp.

Le document US 4,601,230 divulgue une tourelle de véhicule blindé comprenant une arme principale ainsi qu'une mitrailleuse. La tourelle comprend un système d'évacuation de maillons hors de la tourelle, via deux goulottes rigides fixées à l'arme principale et à un compartiment présentant deux ouvertures vers l'extérieur. Les goulottes d'éjection comprennent des bandes de guidage pour guider les maillons. Une trappe permet un accès facile et ergonomique à la zone d'évacuation.The document US 4,601,230 discloses an armored vehicle turret including a main gun as well as a machine gun. The turret includes a system for evacuating links out of the turret, via two rigid chutes attached to the main weapon and to a compartment with two openings to the outside. Ejection chutes include guide strips to guide the links. A hatch allows easy and ergonomic access to the evacuation area.

Le document US 8,434,397 décrit un système de montage d'arme automatique pour un véhicule tel qu'un hélicoptère. Le système de montage d'arme comprend un berceau d'arme supportant une mitrailleuse. L'ensemble est relié via une pièce cylindrique creuse à un support tubulaire incliné. La pièce cylindrique creuse est située sous l'arme et sert d'entonnoir afin de canaliser les douilles et maillons dans le support cylindrique utilisé comme canal d'éjection amenant les douilles et maillons hors de l'habitacle de l'hélicoptère.The document US 8,434,397 describes an automatic weapon mounting system for a vehicle such as a helicopter. The weapon mounting system includes a weapon cradle supporting a machine gun. The assembly is connected via a hollow cylindrical part to an inclined tubular support. The hollow cylindrical part is located under the weapon and serves as a funnel in order to channel the casings and links into the cylindrical support used as an ejection channel bringing the casings and links out of the cockpit of the helicopter.

Les documents US 7,578,226 et US 8,037,801 décrivent un dispositif utilisant une patte ou une lame solidaire du support de l'arme et permettant de séparer les maillons d'une bande de munitions, sortant de l'arme après le tir. Ces dispositifs permettent de faire pivoter chaque maillon par rapport au suivant, le décrochant ainsi de la bande de munitions grâce à l'élasticité des liaisons entre les maillons. Dans le premier cas, les maillons arrivent dans le dispositif avec la boucle simple en premier et ouverte vers le haut tandis que dans le second cas, ils arrivent avec la boucle double en premier, ouverture vers le bas.The documents US 7,578,226 and US 8,037,801 describe a device using a lug or a blade secured to the support of the weapon and making it possible to separate the links of an ammunition strip, coming out of the weapon after firing. These devices make it possible to rotate each link relative to the next, thus unhooking it from the ammunition belt thanks to the elasticity of the connections between the links. In the first case, the links arrive in the device with the single loop first and open upwards, while in the second case they arrive with the double loop first, open downwards.

Cependant, ces systèmes d'évacuation des maillons et munitions ont le désavantage de toujours reposer sur le principe de la gravité, ce qui engendre un risque important de coincer les maillons dans les goulottes ou entre la tourelle et le véhicule, et d'engorger le système d'évacuation. Par ailleurs, la trajectoire d'évacuation n'est pas bien maîtrisée.However, these link and ammunition evacuation systems have the disadvantage of always being based on the principle of gravity, which creates a significant risk of jamming the links in the chutes or between the turret and the vehicle, and clogging the evacuation system. Moreover, the evacuation trajectory is not well controlled.

Buts de l'inventionAims of the invention

La présente invention a pour but de pallier les inconvénients de l'état de la technique.The present invention aims to overcome the drawbacks of the state of the art.

En particulier, la présente invention vise à réaliser un dispositif d'évacuation automatique de maillons de munitions, principalement provenant d'armes de moyen calibre, suite au tir, le dispositif pouvant être embarqué sur des tourelles de char.In particular, the present invention aims to provide a device for the automatic evacuation of ammunition links, mainly from medium-caliber weapons, following firing, the device being able to be carried on tank turrets.

Le résultat recherché est que les maillons de munitions soient évacués ou expulsés le plus loin possible à l'extérieur de la tourelle, c'est-à-dire à au moins à 50 cm de la tourelle, et selon une trajectoire maîtrisée afin de ne pas encombrer le passage pour les maillons suivants et ainsi éviter tout bourrage ou tout enrayage de l'arme.The desired result is that the ammunition links are evacuated or expelled as far as possible outside the turret, that is to say at least 50 cm from the turret, and according to a controlled trajectory so as not to not obstruct the passage for the following links and thus avoid any jamming or jamming of the weapon.

En outre, la présente invention a pour but de proposer un dispositif simple et fiable, complètement automatisé et n'impliquant pas d'intervention d'un opérateur durant son fonctionnement. Ce dispositif d'évacuation de maillons amélioré devrait permettre d'obtenir une cadence d'évacuation de plus de trois maillons par seconde, de manière continue, étant donné une vitesse moyenne de tir de l'arme de 200 coups par minute.In addition, the present invention aims to provide a simple and reliable device, completely automated and not involving the intervention of an operator during its operation. This improved link evacuation device should achieve an evacuation rate of more than three links per second, continuously, given an average weapon firing rate of 200 rounds per minute.

Le dispositif de la présente invention vise encore à permettre une éjection des maillons quelle que soit l'inclinaison dans laquelle se trouve la tourelle par rapport à l'horizontale, et quelle que soit l'orientation et la position des maillons à l'entrée du système.The device of the present invention also aims to allow ejection of the links regardless of the inclination in which the turret is located relative to the horizontal, and regardless of the orientation and position of the links at the entrance of the system.

L'invention a enfin pour but de proposer un véhicule blindé comprenant ce dispositif amélioré d'éjection des maillons de manière continue.Finally, the object of the invention is to provide an armored vehicle comprising this improved device for continuously ejecting the links.

Brève description des figuresBrief description of figures

La figure 1 représente une vue de profil d'un exemple d'un dispositif d'évacuation automatique de maillons selon l'invention.The figure 1 shows a side view of an example of an automatic link evacuation device according to the invention.

La figure 2 représente une vue interne correspondant au dispositif d'évacuation automatique de maillons selon la figure 1.The picture 2 shows an internal view corresponding to the automatic link evacuation device according to the figure 1 .

Principaux éléments caractéristiques de l'inventionMain characteristic elements of the invention

Un premier aspect de la présente invention se rapporte à un dispositif d'évacuation automatique de maillons de munitions provenant d'une arme apte à tirer à une certaine cadence, comprenant un boîtier muni d'au moins les éléments suivants, dont les spécificités décrites ci-après correspondent à une configuration d'utilisation :

  • une première ouverture, appelée ouverture d'entrée, se trouvant en position haute du boîtier, pour l'introduction en vrac et par gravité des maillons provenant de l'arme à la suite du tir ;
  • une seconde ouverture, appelée ouverture de sortie, pour l'éjection des maillons vers l'extérieur du dispositif avec une vitesse donnée, l'ouverture de sortie étant disposée latérale ou déportée par rapport à la verticale de l'ouverture d'entrée ;
  • une rampe proximale de l'ouverture d'entrée connectée à un chemin plan horizontal proximal de l'ouverture de sortie ;
  • deux rouleaux canaliseurs d'axes parallèles et en rotation inverse l'un par rapport à l'autre situés au niveau de la rampe, séparés par un intervalle apte à laisser passer et guider les maillons sur la rampe ;
  • deux rouleaux propulseurs et de guidage, situés de part et d'autre du chemin plan horizontal ;
  • des moyens pour actionner de manière synchronisée les rouleaux canaliseurs et les rouleaux propulseurs ;
la vitesse des rouleaux propulseurs étant ajustée en fonction de la cadence de tir de l'arme et déterminant la vitesse d'éjection des maillons vers l'extérieur.A first aspect of the present invention relates to a device for the automatic evacuation of ammunition links from a weapon capable of firing at a certain rate, comprising a casing provided with at least the following elements, the specific features of which are described below -after correspond to a configuration of use:
  • a first opening, called the inlet opening, located in the upper position of the casing, for the introduction in bulk and by gravity of the links coming from the weapon following the shot;
  • a second opening, called exit opening, for the ejection of the links towards the outside of the device with a given speed, the opening outlet being disposed laterally or offset relative to the vertical of the inlet opening;
  • a ramp proximal to the inlet aperture connected to a horizontal plane path proximal to the outlet aperture;
  • two channeling rollers with parallel axes and in opposite rotation with respect to each other located at the level of the ramp, separated by a gap able to let pass and guide the links on the ramp;
  • two propelling and guiding rollers, located on either side of the horizontal plane path;
  • means for synchronously actuating the channeling rollers and the propelling rollers;
the speed of the propeller rollers being adjusted according to the rate of fire of the weapon and determining the speed of ejection of the links outwards.

Selon des modes particuliers de l'invention, le dispositif d'évacuation automatique de maillons de munitions comporte en outre au moins une des caractéristiques suivantes ou une combinaison appropriée de plusieurs d'entre elles :

  • les rouleaux canaliseurs sont deux brosses tournantes à axes parallèles ;
  • les rouleaux propulseurs sont des bandes transporteuses à tapis ou à rouleaux ;
  • les moyens pour actionner de manière synchronisée les rouleaux canaliseurs et les rouleaux propulseurs comprennent un moteur électrique et un système d'entraînement sous forme d'engrenages ou de courroies ;
  • la rampe possède une inclinaison par rapport à la verticale comprise entre 15 et 50° ;
  • la rampe possède une inclinaison d'environ 30° par rapport à la verticale ;
  • le rapport de la distance parcourue par les maillons sur le chemin plan horizontal à la distance parcourue sur la rampe est compris entre 1,5 et 3.
According to particular embodiments of the invention, the automatic ammunition link evacuation device further comprises at least one of the following characteristics or an appropriate combination of several of them:
  • the channeling rollers are two rotating brushes with parallel axes;
  • the propeller rollers are belt or roller conveyor belts;
  • the means for synchronously actuating the channeling rollers and the propelling rollers comprise an electric motor and a drive system in the form of gears or belts;
  • the ramp has an inclination relative to the vertical of between 15 and 50°;
  • the ramp has an inclination of approximately 30° relative to the vertical;
  • the ratio of the distance traveled by the links on the horizontal plane path to the distance traveled on the ramp is between 1.5 and 3.

Un second aspect de la présente invention se rapporte à un véhicule blindé ou tourelle de char comprenant une arme automatique apte à tirer à une certaine cadence, une trappe pour l'évacuation de maillons vers l'extérieur en dehors du blindage et un dispositif d'évacuation automatique de maillons comme décrit ci-dessus, caractérisé en ce que le dispositif est placé dans le véhicule ou la tourelle de manière à ce que l'orifice d'entrée soit situé sous l'arme pour récupérer les maillons après le tir par gravité au droit de l'arme, et à ce que l'orifice de sortie soit aligné avec la trappe prévue pour l'évacuation des maillons vers l'extérieur en dehors du blindage, afin de pouvoir éjecter les maillons à l'extérieur avec une vitesse déterminée par la cadence de tir.A second aspect of the present invention relates to an armored vehicle or tank turret comprising an automatic weapon able to fire at a certain rate, a hatch for the evacuation of links to the outside outside the armor and a device for automatic chain link evacuation as described above, characterized in that the device is placed in the vehicle or the turret so that the entry orifice is located under the weapon to recover the links after firing by gravity at the right of the weapon, and that the exit orifice is aligned with the hatch provided for the evacuation of the links to the outside outside the shielding, in order to be able to eject the links outside with a speed determined by the rate shooting.

Description détaillée de l'inventionDetailed description of the invention

La présente invention se rapporte à un dispositif d'évacuation automatique 1 de maillons 6 de munitions, tel qu'illustré sur les figures 1 et 2. Les maillons proviennent préférablement de munitions d'armes de moyen calibre. Le dispositif 1 peut être prévu sur une tourelle de char, ou tout autre véhicule blindé, comprenant un système d'arme constitué par exemple d'une arme principale telle qu'un canon et d'une mitrailleuse.The present invention relates to an automatic evacuation device 1 of links 6 of ammunition, as illustrated in the figure 1 and 2 . The links preferably come from ammunition of medium caliber weapons. The device 1 can be provided on a tank turret, or any other armored vehicle, comprising a weapon system consisting for example of a main weapon such as a cannon and a machine gun.

Selon une forme d'exécution de l'invention, le dispositif d'évacuation 1 comprend un boîtier normalement fermé 9 à l'exception d'une première ouverture 2 disposée en position haute et de taille suffisamment grande que pour permettre l'entrée en vrac de maillons 6 provenant de l'arme après le tir, et d'une seconde ouverture 3, latérale ou déportée par rapport à la verticale de l'ouverture 2, destinée à l'éjection des maillons 6 à l'extérieur du dispositif 1. En utilisation, le dispositif 1 doit être placé dans le véhicule blindé de manière adéquate, c'est-à-dire de manière à ce que l'entrée 2 soit située exactement sous l'arme pour récolter les maillons 6 après un tir, et à ce que l'ouverture de sortie 3 corresponde à une ouverture dans le véhicule blindé permettant d'éjecter les maillons 6 à l'extérieur de celui-ci avec une certaine vitesse.According to one embodiment of the invention, the evacuation device 1 comprises a normally closed casing 9 with the exception of a first opening 2 arranged in a high position and of a size large enough to allow bulk entry. of links 6 coming from the weapon after the shot, and a second opening 3, lateral or offset with respect to the vertical of the opening 2, intended for the ejection of the links 6 outside the device 1. In use, the device 1 must be placed in the armored vehicle in an adequate manner, that is, in such a way that the entrance 2 is located exactly under the weapon to collect the links 6 after a shot, and so that the outlet opening 3 corresponds to an opening in the armored vehicle allowing the links 6 to be ejected outside the latter with a certain speed.

Le dispositif d'évacuation de maillons comprend successivement, en partant de la première ouverture 2 vers la seconde ouverture 3, une rampe 10 d'inclinaison comprise entre 15 et 50° par rapport à la verticale, valant de préférence environ 30°, ladite rampe étant également munie d'au moins deux rouleaux canaliseurs 7, situés en vis-à-vis et aptes à tourner en sens inverse. L'intervalle de séparation entre les deux rouleaux canaliseurs 7 est choisi pour laisser passer les maillons et les orienter.The link evacuation device successively comprises, starting from the first opening 2 towards the second opening 3, a ramp 10 with an inclination of between 15 and 50° relative to the vertical, preferably approximately 30°, said ramp also being provided with at least two channeling rollers 7, located vis-à-vis and able to rotate in opposite directions. The separation interval between the two channeling rollers 7 is chosen to allow the links to pass and to orient them.

En utilisation, ces rouleaux canaliseurs 7 permettent d'orienter les maillons 6 qui arrivent via l'ouverture d'entrée 2 dans une position adéquate pour éviter qu'ils ne se retrouvent bloqués ou qu'ils ne s'amassent dans le dispositif 1, et peuvent par exemple se présenter sous forme de deux brosses tournantes à axes parallèles. Au bas de la rampe 10, les maillons 6 se retrouvent, en utilisation, sur un chemin horizontal 11 délimité en hauteur par un rouleau propulseur supérieur 4 et un rouleau propulseur inférieur 5, les deux rouleaux 4 et 5 guidant et faisant avancer les maillons 6 jusqu'à l'ouverture de sortie 3. Les rouleaux propulseurs 4, 5 peuvent être avantageusement du type tapis roulant ou bande transporteuse faisant avancer les maillons 6 grâce à leurs bandes en défilement respectives. Le dispositif 1 comporte en outre un moteur électrique 8 qui permet de mettre en mouvement de manière synchronisée tant les rouleaux canaliseurs 7 que les rouleaux propulseurs 4, 5, via un système d'entraînement adéquat, par exemple sous formes d'engrenages ou de courroies (non représenté sur les figures).In use, these channeling rollers 7 make it possible to orient the links 6 which arrive via the entry opening 2 in an appropriate position to prevent them from becoming blocked or from piling up in the device 1, and can for example take the form of two rotating brushes with parallel axes. At the bottom of the ramp 10, the links 6 find themselves, in use, on a horizontal path 11 delimited in height by an upper propelling roller 4 and a lower propelling roller 5, the two rollers 4 and 5 guiding and advancing the links 6 up to the exit opening 3. The propelling rollers 4, 5 can advantageously be of the treadmill or conveyor belt type advancing the links 6 thanks to their respective running bands. The device 1 further comprises an electric motor 8 which makes it possible to set in motion in a synchronized manner both the channeling rollers 7 and the propelling rollers 4, 5, via a suitable drive system, for example in the form of gears or belts. (not shown in the figures).

Les rouleaux propulseurs 4 et 5 définissent la vitesse d'éjection des maillons 6 en dehors du dispositif, et donc de la tourelle/du véhicule blindé. La vitesse des rouleaux propulseurs dépendra de la cadence de l'arme utilisée, pouvant aller jusqu'à 300 coups par minute, et pourra être adaptée en fonction de l'arme. Les rouleaux et brosses utilisés sont du matériel standard connu en soi de l'homme de métier et facilement remplaçable.The propelling rollers 4 and 5 define the speed of ejection of the links 6 out of the device, and therefore from the turret/armoured vehicle. The speed of the propellant rollers will depend on the rate of the weapon used, being able to go up to 300 rounds per minute, and can be adapted according to the weapon. The rollers and brushes used are standard equipment known per se to those skilled in the art and easily replaceable.

Avantages de l'inventionAdvantages of the invention

Un premier avantage du dispositif d'évacuation de maillons selon l'invention est que l'efficacité de l'éjection des maillons sera bonne dans tous les cas et ne dépendra pas de l'inclinaison de la tourelle ou du véhicule blindé, sachant que la trajectoire des maillons est aléatoire. Ce dispositif permet donc de ne pas se retrouver dans la problématique d'amassement de maillons à la sortie d'un dispositif basé sur la gravité uniquement, ou entre la tourelle et le véhicule, en éjectant les maillons le plus loin possible, et certainement à au moins 50 cm de la tourelle.A first advantage of the link evacuation device according to the invention is that the effectiveness of the ejection of the links will be good in all cases and will not depend on the inclination of the turret or of the armored vehicle, knowing that the path of the links is random. This device therefore makes it possible not to find oneself in the problem of amassing links at the exit of a device based on gravity alone, or between the turret and the vehicle, by ejecting the links as far as possible, and certainly at at least 50 cm from the turret.

Le dispositif a l'avantage de pouvoir être placé facilement sous tout type d'arme, et d'être adaptable à celle-ci et au type de véhicule embarquant le système. De manière préférée, le dispositif est compris dans une tourelle de char, sous l'arme principale, permettant de cette manière l'évacuation rapide et efficace des maillons hors de la tourelle.The device has the advantage of being able to be placed easily under any type of weapon, and of being adaptable to the latter and to the type of vehicle carrying the system. Preferably, the device is included in a tank turret, under the main weapon, thereby allowing the rapid and efficient evacuation of the links out of the turret.

Le dispositif de l'invention permet aussi de réduire la taille de l'ouverture vers l'extérieur de la coque ou carapace du véhicule blindé.The device of the invention also makes it possible to reduce the size of the opening towards the exterior of the hull or carapace of the armored vehicle.

Un autre avantage de la présente invention est d'offrir un dispositif pouvant être fermé, ce qui permet ainsi d'isoler la tourelle de l'environnement extérieur, par exemple en cas de conditions NBC (nucléaire, bactériologique, chimique).Another advantage of the present invention is to provide a device that can be closed, which thus makes it possible to isolate the turret from the external environment, for example in the event of NBC (nuclear, bacteriological, chemical) conditions.

Encore un autre avantage est que le dispositif selon l'invention se présente sous forme d'un boîtier autonome qui peut se placer dans des tourelles déjà en service, éventuellement de différents types ou modèles.Yet another advantage is that the device according to the invention is in the form of an independent box which can be placed in turrets already in service, possibly of different types or models.

Liste des symboles de référenceList of reference symbols

1.1.
Dispositif d'éjection de maillons de munitionsAmmunition link ejection device
2.2.
Entrée du système (pour l'introduction des maillons en vrac)System entrance (for the introduction of loose links)
3.3.
Sortie du système (pour l'éjection des maillons)System output (for link ejection)
4.4.
Rouleau propulseur de maillons supérieurTop link propeller roller
5.5.
Rouleau propulseur de maillons inférieurBottom link propeller roller
6.6.
MaillonsLinks
7.7.
Rouleaux canaliseursChanneling rollers
8.8.
Moteur électriqueelectric motor
9.9.
BoîtierHousing
10.10.
RampeRamp
11.11.
Chemin horizontalHorizontal path

Claims (8)

  1. A device (1) for automatically discharging ammunition links (6) coming from a weapon able to fire at a certain rate, comprising a housing (9) provided with at least the following elements, the specificities of which described hereinafter correspond to a usage configuration:
    - a first opening, called inlet opening (2), located in the upper position of the housing, for the bulk insertion by gravity of the links (6) coming from the weapon after firing;
    - a second opening, called outlet opening (3), for discharging links (6) toward the outside of the device (1) at a given speed, the outlet opening (3) being arranged laterally or offset relative to the vertical of the inlet opening (2);
    - a proximal ramp (10) of the inlet opening (2) connected to a proximal horizontal planar path (11) of the outlet opening (3);
    - two channeling rollers (7) with parallel axes and inverse rotation relative to one another located at the ramp (10), separated by a gap able to allow the links to pass and to guide them over the ramp (10);
    - two propulsion and guiding rollers (4, 5), located on either side of the horizontal planar path (11);
    - means for actuating the channeling rollers (7) and the propulsion rollers (4, 5) in a synchronized manner;
    the speed of the propulsion rollers (4, 5) being adjusted as a function of the firing rate of the weapon and determining the discharge speed of the links (6) to the outside.
  2. The device (1) according to claim 1, characterized in that the channeling rollers (7) are two rotary brushes with parallel axes.
  3. The device (1) according to claim 1, characterized in that the propulsion rollers (4, 5) are conveyor belts with bands or rollers.
  4. The device (1) according to claim 1, characterized in that the means for actuating the channeling rollers (7) and the propulsion rollers (4, 5) in a synchronized manner comprise an electric motor (8) and a driving system in the form of gears or belts.
  5. The device (1) according to claim 1, characterized in that the ramp (10) has an incline relative to the vertical of between 15 and 50°.
  6. The device (1) according to claim 5, characterized in that the ramp (10) has an incline of about 30° relative to the vertical.
  7. The device (1) according to claim 1, characterized in that the ratio of the distance traveled by the links (6) over the horizontal planar path (11) to the distance traveled over the ramp (10) is between 1.5 and 3.
  8. An armored vehicle or tank turret comprising an automatic weapon able to fire at a certain rate, a hatch for discharging links (6) to the outside, outside the armor, and a device (1) for automatically discharging links according to any one of claims 1 to 7, characterized in that the device (1) is placed in the vehicle or the turret such that the inlet orifice (2) is located below the weapon to recover the links (6) after firing by gravity in line with the weapon, and in that the outlet orifice (3) is aligned with the hatch provided for discharging links (6) to the outside, outside the armor, so as to be able to discharge the links (6) to the outside with a speed determined by the firing rate.
EP19175940.6A 2019-05-22 2019-05-22 Ejecting device for ammunition links Active EP3742102B1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
PL19175940T PL3742102T3 (en) 2019-05-22 2019-05-22 Ejecting device for ammunition links
EP19175940.6A EP3742102B1 (en) 2019-05-22 2019-05-22 Ejecting device for ammunition links
ES19175940T ES2910160T3 (en) 2019-05-22 2019-05-22 Ammunition Link Ejection Device
US17/612,580 US11609055B2 (en) 2019-05-22 2020-04-30 Device for ejecting ammunition links
AU2020280673A AU2020280673A1 (en) 2019-05-22 2020-04-30 Device for ejecting ammunition links
PCT/EP2020/062145 WO2020233964A1 (en) 2019-05-22 2020-04-30 Device for ejecting ammunition links
SG11202112910XA SG11202112910XA (en) 2019-05-22 2020-04-30 Device for ejecting ammunition links
KR1020217039646A KR20220020807A (en) 2019-05-22 2020-04-30 Device for ejecting the ammunition link
CA3141203A CA3141203A1 (en) 2019-05-22 2020-04-30 Device for ejecting ammunition links
CN202080034312.8A CN113825971A (en) 2019-05-22 2020-04-30 Device for ejecting ammunition chain
BR112021023138A BR112021023138A2 (en) 2019-05-22 2020-04-30 Device for ejecting ammunition links
IL288245A IL288245B2 (en) 2019-05-22 2021-11-19 Device for ejecting ammunition links

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19175940.6A EP3742102B1 (en) 2019-05-22 2019-05-22 Ejecting device for ammunition links

Publications (2)

Publication Number Publication Date
EP3742102A1 EP3742102A1 (en) 2020-11-25
EP3742102B1 true EP3742102B1 (en) 2022-01-26

Family

ID=66630244

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19175940.6A Active EP3742102B1 (en) 2019-05-22 2019-05-22 Ejecting device for ammunition links

Country Status (12)

Country Link
US (1) US11609055B2 (en)
EP (1) EP3742102B1 (en)
KR (1) KR20220020807A (en)
CN (1) CN113825971A (en)
AU (1) AU2020280673A1 (en)
BR (1) BR112021023138A2 (en)
CA (1) CA3141203A1 (en)
ES (1) ES2910160T3 (en)
IL (1) IL288245B2 (en)
PL (1) PL3742102T3 (en)
SG (1) SG11202112910XA (en)
WO (1) WO2020233964A1 (en)

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GB479399A (en) * 1936-05-12 1938-02-04 Ceskoslovenska Zbrojovka Guide means for the ejected cartridge cases in firearms
US2815699A (en) * 1952-08-11 1957-12-10 Republic Aviat Corp Gun feed mechanism
US3704772A (en) * 1970-10-12 1972-12-05 Gen Electric Ammunition flow path fire propagation prevention system
US4563936A (en) * 1982-05-28 1986-01-14 Hughes Helicopters, Inc. Weapon with next round select feed system
US4601230A (en) 1984-12-13 1986-07-22 General Motors Corporation Weapon system
FR2579743B1 (en) * 1985-03-26 1987-05-15 France Etat Armement AUTOMATIC WEAPON WITH EXTERNAL MOTOR
US5109752A (en) * 1990-12-24 1992-05-05 Western Design Corp. Universal self-timing ammunition loader
EP0661515A1 (en) * 1993-12-20 1995-07-05 Oerlikon Contraves AG Endless chain conveyor for an ammunition magazine
US7543524B1 (en) * 2005-02-28 2009-06-09 The United States Of America As Represented By The Secretary Of The Army Machine gun mount
FR2911181B1 (en) 2007-01-10 2009-04-10 Nexter Systems Sa DEVICE FOR SEPARATING LINKS FROM A MUNITIONS EMPLOYMENT STRIP
FR2929699B1 (en) 2008-04-02 2010-04-23 Nexter Systems DEVICE FOR SEPARATING LINKS FROM AN AMMUNITION EMPLOYMENT STRIP.
DE102009031286A1 (en) * 2009-06-30 2011-01-05 Rheinmetall Landsysteme Gmbh Separator for belt links
FR2977018B1 (en) * 2011-06-27 2014-02-28 Nexter Systems DEVICE FOR RECOVERING LINKS
US8607683B1 (en) * 2012-03-06 2013-12-17 The United States Of America As Represented By The Secretary Of The Army Active ammunition magazine
FR2991446B1 (en) * 2012-06-01 2014-06-06 Nexter Systems ARM MOUNTING COMPRISING A SLEEVE EJECTION CORRECTION
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
IL225229A (en) * 2013-03-14 2016-12-29 Rafael Advanced Defense Systems Ltd Spent cartridges router
US9506705B1 (en) * 2015-04-21 2016-11-29 Joseph H. Fleischli Feeder delinker
BE1024729B1 (en) * 2016-10-10 2018-06-13 Cmi Defence Sa DEVICE FOR EJECTING SLEEVES AND / OR LINKS FROM A CHAIN OR BAND OF AMMUNITION ASSOCIATED WITH A MAIN AND / OR SECONDARY WEAPON

Also Published As

Publication number Publication date
ES2910160T3 (en) 2022-05-11
WO2020233964A1 (en) 2020-11-26
IL288245B1 (en) 2023-04-01
US11609055B2 (en) 2023-03-21
AU2020280673A1 (en) 2021-11-25
SG11202112910XA (en) 2021-12-30
EP3742102A1 (en) 2020-11-25
US20220236023A1 (en) 2022-07-28
IL288245A (en) 2022-01-01
KR20220020807A (en) 2022-02-21
IL288245B2 (en) 2023-08-01
CA3141203A1 (en) 2020-11-26
PL3742102T3 (en) 2022-04-25
BR112021023138A2 (en) 2022-01-04
CN113825971A (en) 2021-12-21

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