EP3742102A1 - Ejecting device for ammunition links - Google Patents

Ejecting device for ammunition links Download PDF

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Publication number
EP3742102A1
EP3742102A1 EP19175940.6A EP19175940A EP3742102A1 EP 3742102 A1 EP3742102 A1 EP 3742102A1 EP 19175940 A EP19175940 A EP 19175940A EP 3742102 A1 EP3742102 A1 EP 3742102A1
Authority
EP
European Patent Office
Prior art keywords
links
rollers
weapon
ramp
outside
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
EP19175940.6A
Other languages
German (de)
French (fr)
Other versions
EP3742102B1 (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
Original Assignee
CMI Defence 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 CMI Defence SA filed Critical CMI Defence SA
Priority to PL19175940T priority patent/PL3742102T3/en
Priority to EP19175940.6A priority patent/EP3742102B1/en
Priority to PCT/EP2020/062145 priority patent/WO2020233964A1/en
Priority to AU2020280673A priority patent/AU2020280673A1/en
Priority to KR1020217039646A priority patent/KR20220020807A/en
Priority to US17/612,580 priority patent/US11609055B2/en
Priority to CN202080034312.8A priority patent/CN113825971A/en
Priority to BR112021023138A priority patent/BR112021023138A2/en
Priority to SG11202112910XA priority patent/SG11202112910XA/en
Priority to CA3141203A priority patent/CA3141203A1/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
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • 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 ejection and automatic evacuation of ammunition links, preferably, but not exclusively, from medium-caliber guns on board tank turrets.
  • Medium caliber ammunition typically has a diameter of between 15 and 50mm.
  • the present invention also relates to an armored vehicle comprising the automatic link evacuation device.
  • the systems for evacuating arms ammunition links on board a tank turret are fairly large or bulky 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 comprising a main weapon as well as a machine gun.
  • the turret comprises a system for evacuating links from the turret, via two rigid chutes attached to the main weapon and to a compartment having two openings to the outside.
  • the ejection chutes include guide bands 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 bushes and links in the cylindrical support used as an ejection channel bringing the bushes and links out of the cockpit of the helicopter.
  • the object of the present invention is to overcome the drawbacks of the state of the art.
  • the present invention aims to provide a device for automatic evacuation of ammunition links, mainly originating from medium caliber weapons, following firing, the device being able to be mounted 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 any jamming of the weapon.
  • the present invention aims to provide a simple and reliable device, fully automated and not involving the intervention of an operator during its operation.
  • This improved link evacuation device should make it possible to obtain an evacuation rate of more than three links per second, continuously, given an average rate of fire of the weapon 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.
  • a second aspect of the present invention relates to an armored vehicle or tank turret comprising an automatic weapon capable of firing at a certain rate, a hatch for the evacuation of links to the outside outside the armor and a device for automatic link evacuation as described above, characterized in that the device is placed in the vehicle or the turret so that the inlet opening is located under the weapon to recover the links after firing by gravity to the right of the 'weapon, and that the exit opening is aligned with the hatch provided for the evacuation of the links to the outside outside the armor, in order to be able to eject the links to the outside with a speed determined by the cadence shooting.
  • the present invention relates to an automatic evacuation device 1 of ammunition links 6, as illustrated on figures 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 discharge device 1 comprises a normally closed housing 9 with the exception of a first opening 2 arranged in the high position and of a size sufficiently large to allow the entry of bulk. links 6 coming from the weapon after firing, 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 a suitable manner, that is to say so that the entrance 2 is located exactly under the weapon to collect the links 6 after a shot, and that the exit opening 3 corresponds to an opening in the armored vehicle making it possible to eject the links 6 outside the latter with a certain speed.
  • the link evacuation device comprises successively, starting from the first opening 2 towards the second opening 3, a ramp 10 with an inclination of between 15 and 50 ° with respect to the vertical, preferably equal to approximately 30 °, said ramp also being provided with at least two channel rollers 7, located opposite each other and able to rotate in the opposite direction.
  • the separation interval between the two channel rollers 7 is chosen to allow the links to pass through and orient them.
  • these channel rollers 7 make it possible to orient the links 6 which arrive via the inlet opening 2 in a suitable position to prevent them from becoming blocked or from piling up in the device 1, and may for example be in the form of two rotating brushes with parallel axes.
  • the links 6 are found, 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 outlet opening 3.
  • the propellant rollers 4, 5 can advantageously be of the conveyor belt or conveyor belt type advancing the links 6 by virtue of their respective moving bands.
  • the device 1 further comprises an electric motor 8 which makes it possible to set in motion in a synchronized manner both the channel rollers 7 and the propellant rollers 4, 5, via a suitable drive system, for example in the form of gears or belts. (not shown in the figures).
  • the propellant rollers 4 and 5 define the speed of ejection of the links 6 outside the device, and therefore from the turret / armored vehicle.
  • the speed of the propellant rollers will depend on the rate of the weapon used, which can 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 efficiency 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 trajectory of the links is random. This device therefore makes it possible to avoid the problem of accumulating links at the exit of a device based on gravity only, 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 easily placed under any type of weapon, and of being adaptable to it 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 from the turret.
  • the device of the invention also makes it possible to reduce the size of the opening towards the outside of the shell or shell of the armored vehicle.
  • Another advantage of the present invention is to provide a device which 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 a self-contained 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)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

Dispositif (1) d'évacuation automatique de maillons (6) de munitions provenant d'une arme apte à tirer à une certaine cadence, comprenant un boîtier (9) muni d'au moins les éléments suivants, dont les spécificités décrites ci-après correspondent à une configuration d'utilisation :- une rampe (10) proximale de l'ouverture d'entrée (2) connectée à un chemin plan horizontal (11) proximal de l'ouverture de sortie (3) ;- deux rouleaux canaliseurs (7) d'axes parallèles et en rotation inverse l'un par rapport à l'autre situés au niveau de la rampe (10), séparés par un intervalle apte à laisser passer et guider les maillons sur la rampe (10) ;- deux rouleaux propulseurs et de guidage (4, 5), situés de part et d'autre du chemin plan horizontal (11) ;- des moyens pour actionner de manière synchronisée les rouleaux canaliseurs (7) et les rouleaux propulseurs (4, 5) ;la vitesse des rouleaux propulseurs (4, 5) étant ajustée en fonction de la cadence de tir de l'arme et déterminant la vitesse d'éjection des maillons (6) vers l'extérieur.Device (1) for automatic evacuation of ammunition links (6) from a weapon capable of firing at a certain rate, comprising a housing (9) provided with at least the following elements, the specific features of which are described below correspond to a configuration of use: - a ramp (10) proximal to the inlet opening (2) connected to a horizontal plane path (11) proximal to the outlet opening (3); - two channeling rollers ( 7) of parallel axes and in reverse rotation with respect to each other located at the level of the ramp (10), separated by an interval capable of allowing the links to pass and guide on the ramp (10); - two propellant and guide rollers (4, 5), located on either side of the horizontal plane path (11); - means for synchronously actuating the channel rollers (7) and the propellant rollers (4, 5); the speed of the thruster rollers (4, 5) being adjusted according to the rate of fire of the weapon and determining the speed of ejec tion of the links (6) outwards.

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 ejection and automatic evacuation of ammunition links, preferably, but not exclusively, from medium-caliber guns on board tank turrets. Medium caliber ammunition typically has a diameter of 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, the systems for evacuating arms ammunition links on board a tank turret are fairly large or bulky 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 comprising a main weapon as well as a machine gun. The turret comprises a system for evacuating links from the turret, via two rigid chutes attached to the main weapon and to a compartment having two openings to the outside. The ejection chutes include guide bands 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 bushes and links in the cylindrical support used as an ejection channel bringing the bushes 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 tab or a blade integral with the support of the weapon and making it possible to separate the links of a strip of ammunition, leaving the weapon after firing. These devices make it possible to rotate each link with respect to the next, thus unhooking it from the ammunition strip thanks to the elasticity of the links 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, opening 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 systems for evacuating links and ammunition have the disadvantage of always being based on the principle of gravity, which creates a significant risk of the links getting stuck in the chutes or between the turret and the vehicle, and of clogging the evacuation system. Moreover, the evacuation path 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 object of the present invention is 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 automatic evacuation of ammunition links, mainly originating from medium caliber weapons, following firing, the device being able to be mounted 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 any 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, fully automated and not involving the intervention of an operator during its operation. This improved link evacuation device should make it possible to obtain an evacuation rate of more than three links per second, continuously, given an average rate of fire of the weapon 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 the 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 figure 2 shows an internal view corresponding to the automatic link evacuation device according to 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 an automatic evacuation device for ammunition links from a weapon capable of firing at a certain rate, comprising a housing 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 housing, for the introduction in bulk and by gravity of the links coming from the weapon following firing;
  • a second opening, called the exit opening, for the ejection of the links to the outside of the device with a given speed, the opening outlet being disposed lateral or offset from the vertical of the inlet opening;
  • a ramp proximal to the inlet opening connected to a horizontal plane path proximal to the outlet opening;
  • two channeling rollers with parallel axes and in reverse rotation with respect to each other located at the level of the ramp, separated by an interval suitable for allowing the links to pass and guide on the ramp;
  • two propellant and guide rollers, located on either side of the horizontal plane path;
  • means for synchronously actuating the channel rollers and the propellant rollers;
the speed of the propellant 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 device for the automatic evacuation of ammunition links furthermore 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 propellant rollers are conveyor belts with belts or rollers;
  • the means for synchronously actuating the channel rollers and the propellant rollers comprise an electric motor and a drive system in the form of gears or belts;
  • the ramp has an inclination with respect to the vertical of between 15 and 50 °;
  • the ramp has an inclination of about 30 ° from 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 capable of firing at a certain rate, a hatch for the evacuation of links to the outside outside the armor and a device for automatic link evacuation as described above, characterized in that the device is placed in the vehicle or the turret so that the inlet opening is located under the weapon to recover the links after firing by gravity to the right of the 'weapon, and that the exit opening is aligned with the hatch provided for the evacuation of the links to the outside outside the armor, in order to be able to eject the links to the outside with a speed determined by the cadence 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 ammunition links 6, as illustrated on figures 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 discharge device 1 comprises a normally closed housing 9 with the exception of a first opening 2 arranged in the high position and of a size sufficiently large to allow the entry of bulk. links 6 coming from the weapon after firing, 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 a suitable manner, that is to say so that the entrance 2 is located exactly under the weapon to collect the links 6 after a shot, and that the exit opening 3 corresponds to an opening in the armored vehicle making it possible to eject the links 6 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 comprises successively, starting from the first opening 2 towards the second opening 3, a ramp 10 with an inclination of between 15 and 50 ° with respect to the vertical, preferably equal to approximately 30 °, said ramp also being provided with at least two channel rollers 7, located opposite each other and able to rotate in the opposite direction. The separation interval between the two channel rollers 7 is chosen to allow the links to pass through and 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 channel rollers 7 make it possible to orient the links 6 which arrive via the inlet opening 2 in a suitable position to prevent them from becoming blocked or from piling up in the device 1, and may for example be in the form of two rotating brushes with parallel axes. At the bottom of the ramp 10, the links 6 are found, 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 outlet opening 3. The propellant rollers 4, 5 can advantageously be of the conveyor belt or conveyor belt type advancing the links 6 by virtue of their respective moving bands. The device 1 further comprises an electric motor 8 which makes it possible to set in motion in a synchronized manner both the channel rollers 7 and the propellant 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 propellant rollers 4 and 5 define the speed of ejection of the links 6 outside the device, and therefore from the turret / armored vehicle. The speed of the propellant rollers will depend on the rate of the weapon used, which can 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 efficiency 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 trajectory of the links is random. This device therefore makes it possible to avoid the problem of accumulating links at the exit of a device based on gravity only, 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 easily placed under any type of weapon, and of being adaptable to it 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 from 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 outside of the shell or shell 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 which 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 a self-contained 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 munitions1. Ammunition link ejection device
  2. 2. Entrée du système (pour l'introduction des maillons en vrac)2. System input (for the introduction of loose links)
  3. 3. Sortie du système (pour l'éjection des maillons)3. System exit (for ejection of links)
  4. 4. Rouleau propulseur de maillons supérieur4. Upper link propellant roller
  5. 5. Rouleau propulseur de maillons inférieur5. Lower link propellant roller
  6. 6. Maillons6. Links
  7. 7. Rouleaux canaliseurs7. Channel rollers
  8. 8. Moteur électrique8. Electric motor
  9. 9. Boîtier9. Housing
  10. 10. Rampe10. Ramp
  11. 11. Chemin horizontal11. Horizontal path

Claims (8)

Dispositif (1) d'évacuation automatique de maillons (6) de munitions provenant d'une arme apte à tirer à une certaine cadence, comprenant un boîtier (9) 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 (2), se trouvant en position haute du boîtier, pour l'introduction en vrac et par gravité des maillons (6) provenant de l'arme à la suite du tir ; - une seconde ouverture, appelée ouverture de sortie (3), pour l'éjection des maillons (6) vers l'extérieur du dispositif (1) avec une vitesse donnée, l'ouverture de sortie (3) étant disposée latérale ou déportée par rapport à la verticale de l'ouverture d'entrée (2) ; - une rampe (10) proximale de l'ouverture d'entrée (2) connectée à un chemin plan horizontal (11) proximal de l'ouverture de sortie (3) ; - deux rouleaux canaliseurs (7) d'axes parallèles et en rotation inverse l'un par rapport à l'autre situés au niveau de la rampe (10), séparés par un intervalle apte à laisser passer et guider les maillons sur la rampe (10) ; - deux rouleaux propulseurs et de guidage (4, 5), situés de part et d'autre du chemin plan horizontal (11) ; - des moyens pour actionner de manière synchronisée les rouleaux canaliseurs (7) et les rouleaux propulseurs (4, 5) ; la vitesse des rouleaux propulseurs (4, 5) étant ajustée en fonction de la cadence de tir de l'arme et déterminant la vitesse d'éjection des maillons (6) vers l'extérieur.Device (1) for automatic evacuation of links (6) of ammunition from a weapon capable of firing at a certain rate, comprising a housing (9) provided with at least the following elements, the specific features of which are described below correspond to a configuration of use: - a first opening, called the inlet opening (2), located in the upper position of the housing, for the introduction in bulk and by gravity of the links (6) coming from the weapon following firing; - a second opening, called the outlet opening (3), for the ejection of the links (6) to the outside of the device (1) with a given speed, the outlet opening (3) being arranged sideways or offset by relative to the vertical of the inlet opening (2); - a ramp (10) proximal to the inlet opening (2) connected to a horizontal plane path (11) proximal to the outlet opening (3); - two channel rollers (7) with parallel axes and in reverse rotation with respect to each other located at the level of the ramp (10), separated by an interval suitable for allowing the links to pass and guide on the ramp ( 10); - two propellant and guide rollers (4, 5), located on either side of the horizontal plane path (11); - means for synchronously actuating the channeling rollers (7) and the propelling rollers (4, 5); the speed of the propellant rollers (4, 5) being adjusted according to the rate of fire of the weapon and determining the speed of ejection of the links (6) outwards. Dispositif (1) selon la revendication 1, caractérisé en ce que les rouleaux canaliseurs (7) sont deux brosses tournantes à axes parallèles.Device (1) according to Claim 1, characterized in that the channeling rollers (7) are two rotating brushes with parallel axes. Dispositif (1) selon la revendication 1, caractérisé en ce que les rouleaux propulseurs (4, 5) sont des bandes transporteuses à tapis ou à rouleaux.Device (1) according to Claim 1, characterized in that the propelling rollers (4, 5) are conveyor belts with belts or rollers. Dispositif (1) selon la revendication 1, caractérisé en ce que les moyens pour actionner de manière synchronisée les rouleaux canaliseurs (7) et les rouleaux propulseurs (4, 5) comprennent un moteur électrique (8) et un système d'entraînement sous forme d'engrenages ou de courroies.Device (1) according to claim 1, characterized in that the means for synchronously actuating the channeling rollers (7) and the propellant rollers (4, 5) comprise an electric motor (8) and a drive system in the form of gears or belts. Dispositif (1) selon la revendication 1, caractérisé en ce que la rampe (10) possède une inclinaison par rapport à la verticale comprise entre 15 et 50°.Device (1) according to Claim 1, characterized in that the ramp (10) has an inclination with respect to the vertical of between 15 and 50 °. Dispositif (1) selon la revendication 5, caractérisé en ce que la rampe (10) possède une inclinaison d'environ 30° par rapport à la verticale.Device (1) according to Claim 5, characterized in that the ramp (10) has an inclination of approximately 30 ° with respect to the vertical. Dispositif (1) selon la revendication 1, caractérisé en ce que le rapport de la distance parcourue par les maillons (6) sur le chemin plan horizontal (11) à la distance parcourue sur la rampe (10) est compris entre 1,5 et 3.Device (1) according to claim 1, characterized in that the ratio of the distance traveled by the links (6) on the horizontal plane path (11) to the distance traveled on the ramp (10) is between 1.5 and 3. Véhicule blindé ou tourelle de char comprenant une arme automatique apte à tirer à une certaine cadence, une trappe pour l'évacuation de maillons (6) vers l'extérieur en dehors du blindage et un dispositif (1) d'évacuation automatique de maillons selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le dispositif (1) est placé dans le véhicule ou la tourelle de manière à ce que l'orifice d'entrée (2) soit situé sous l'arme pour récupérer les maillons (6) après le tir, par gravité au droit de l'arme, et à ce que l'orifice de sortie (3) soit aligné avec la trappe prévue pour l'évacuation des maillons (6) vers l'extérieur en dehors du blindage, afin de pouvoir éjecter les maillons (6) à l'extérieur avec une vitesse déterminée par la cadence de tir.Armored vehicle or tank turret comprising an automatic weapon capable of firing at a certain rate, a hatch for the evacuation of links (6) to the outside outside the armor and a device (1) for automatic evacuation of links according to any one of claims 1 to 7, characterized in that the device (1) is placed in the vehicle or the turret so that the inlet port (2) is located under the weapon to collect the links (6) after firing, by gravity to the right of the weapon, and that the outlet opening (3) is aligned with the hatch provided for the evacuation of the links (6) to the outside outside armor, in order to be able to eject the links (6) to the outside with a speed determined by the rate of fire.
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
CN202080034312.8A CN113825971A (en) 2019-05-22 2020-04-30 Device for ejecting ammunition chain
KR1020217039646A KR20220020807A (en) 2019-05-22 2020-04-30 Device for ejecting the ammunition link
US17/612,580 US11609055B2 (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
BR112021023138A BR112021023138A2 (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
CA3141203A CA3141203A1 (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
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 true EP3742102A1 (en) 2020-11-25
EP3742102B1 EP3742102B1 (en) 2022-01-26

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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)

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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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US7543524B1 (en) * 2005-02-28 2009-06-09 The United States Of America As Represented By The Secretary Of The Army Machine gun mount
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EP2270418A2 (en) * 2009-06-30 2011-01-05 Rheinmetall Landsysteme GmbH Separator for belt links of an ammunition belt
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Also Published As

Publication number Publication date
IL288245B2 (en) 2023-08-01
SG11202112910XA (en) 2021-12-30
PL3742102T3 (en) 2022-04-25
EP3742102B1 (en) 2022-01-26
AU2020280673A1 (en) 2021-11-25
US11609055B2 (en) 2023-03-21
IL288245A (en) 2022-01-01
US20220236023A1 (en) 2022-07-28
WO2020233964A1 (en) 2020-11-26
BR112021023138A2 (en) 2022-01-04
ES2910160T3 (en) 2022-05-11
IL288245B1 (en) 2023-04-01
CA3141203A1 (en) 2020-11-26
KR20220020807A (en) 2022-02-21
CN113825971A (en) 2021-12-21

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