EP3877718A1 - Weapon assembly and turret comprising such an assembly - Google Patents

Weapon assembly and turret comprising such an assembly

Info

Publication number
EP3877718A1
EP3877718A1 EP19813651.7A EP19813651A EP3877718A1 EP 3877718 A1 EP3877718 A1 EP 3877718A1 EP 19813651 A EP19813651 A EP 19813651A EP 3877718 A1 EP3877718 A1 EP 3877718A1
Authority
EP
European Patent Office
Prior art keywords
mass
weapon
assembly
turret
counterweight
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
EP19813651.7A
Other languages
German (de)
French (fr)
Other versions
EP3877718B1 (en
Inventor
Xavier DESCATOIRE
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.)
Nexter Systems SA
Original Assignee
Nexter Systems 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
Application filed by Nexter Systems SA filed Critical Nexter Systems SA
Publication of EP3877718A1 publication Critical patent/EP3877718A1/en
Application granted granted Critical
Publication of EP3877718B1 publication Critical patent/EP3877718B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A23/00—Gun mountings, e.g. on vehicles; Disposition of guns on vehicles
    • F41A23/24—Turret gun mountings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
    • 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
    • F41A27/00—Gun mountings permitting traversing or elevating movement, e.g. gun carriages
    • F41A27/30—Stabilisation or compensation systems, e.g. compensating for barrel weight or wind force on the barrel

Definitions

  • the technical field of the invention is that of weapon assemblies for military vehicles and turrets comprising such assemblies.
  • Such a mounting on a turret obliges during the firing to have a clearance in the central part of the turret located under the plane of rotation in bearing of the turret so that the aiming and the retreat of the weapon can be done up to this plane without interference.
  • This clearance is conventionally formed by a turret well penetrating into the chassis of the vehicle as visible in patent US4838144.
  • This type of turret well is bulky and constitutes a zone of vulnerability for the vehicle which is obliged to have a substantial opening at the level of the chassis in order to be able to receive the turret basket.
  • the invention proposes to solve this problem of congestion and vulnerability.
  • the invention also solves a problem of accessibility in superstructure through the turret which, according to the state of the art, is made difficult by the presence of the breech of the weapon.
  • the subject of the invention is therefore a weapon assembly comprising an oscillating mass which pivots in elevation relative to a carriage, to allow aiming, and thus comprises journals intended to interface with a tank turret, the oscillating mass also incorporating a retracting mass which translates with respect to the journals when fired, retreating mass comprising in particular a weapon, mounting of a weapon in which the journals are situated behind the center of gravity of the retreating mass and in that a counterweight is intended to counterbalance longitudinally the weight of the receding mass at rest so as to place the center of gravity of the oscillating mass at the level of the pins, weapon assembly characterized in that at least one pin is secured to a first end of an arm which is therefore secured to the oscillating mass, arm carrying the counterweight at its second end, the counterweight comprising at least u ne ballistic armor plate and / or at least one functional means constituted by a sight and / or by a secondary armament.
  • the assembly comprises two arms each located on either side of the oscillating mass, each arm carrying a counterweight.
  • the secondary armament may include a grenade launcher.
  • the secondary armament may include a medium-caliber machine gun.
  • the subject of the invention is also a turret for a military vehicle pivoting in bearing around a bearing separating the turret from the vehicle and defining a laying plane, turret characterized in that it comprises a weapon mounting according to one of the previous characteristics, assembly in which the distance D between the trunnions and the center of gravity of the receding mass for a given height of the plane of laying is chosen so that when the oscillating mass is at its maximum site and the receding mass at its maximum recoil, the retracting mass is above the laying plane.
  • a tank turret 100 has a weapon assembly 1.
  • the weapon assembly 1 comprises pins 2 (which will be better seen in FIG. 2), integral with the turret 100 at the level of a mount 3 secured to the shell 4 of the turret 100.
  • the weapon assembly 1 comprises a large caliber weapon 5a (caliber greater than 40 mm) integral with the assembly 1 at the level of the pins which constitute axes 2 of pivoting in elevation for the oscillating mass 10 carrying the weapon 5a.
  • a large caliber weapon 5a caliber greater than 40 mm
  • oscillating mass 10 designates all the elements of the weapon assembly 1 which pivot in elevation around the pins 2.
  • the term “retreating mass 5” designates all the elements of the weapon assembly 1 which retreat during firing.
  • an oscillating mass 10 comprises in particular the retreating mass 5 and the cradle which receives and guides the latter during retraction.
  • a recoil mass 5 comprises in particular the weapon 5a itself with its tube and breech 8 and the part of the recoil brakes (not shown) which accompanies the recoil (the fixed part of the brakes remains linked to the cradle).
  • Each pin 2 is integral with a first end of an arm 6 located on either side of the oscillating mass 10.
  • the second end of each arm 6 has a counterweight 7.
  • Each counterweight 7 here comprises a shielding plate 7a substantially perpendicular to the longitudinal axis of the retreating mass 5 of the weapon 5a in order to ballistically protect the parts of the turret 100 located behind these plates 7a.
  • the counterweights may advantageously include functional means of the turret, that is to say means exercising an operational function other than that of counterweight, for example target acquisition equipment (sights, designators) or defense equipment. (secondary armaments, cupolas, close defense systems, etc.).
  • a first counterweight 7 located to the right of the retracting mass 5 comprises for example a sight 7b while a second counterweight 7 here comprises a secondary armament 7e which comprises a grenade launcher 7c as well as a medium caliber machine gun 7d.
  • the weapon assembly 1 alone with the receding mass 5 of the weapon 5a and its counterweights 7 is best seen in FIG. 2.
  • the counterweights 7 formed by the armor plates and the various equipment have the function, thanks to the position of their center of gravity T, of counterbalancing the weight of the receding mass 5 which is exerted at the level of its center of gravity G, by placing the center of gravity I of the oscillating mass 10 of the weapon assembly 1 at the level of the pins 2. In this way the pointing efforts in elevation of the weapon 5 are minimal.
  • the position of the center of gravity G of the retracting mass is located in front of the pins 2 and creates an imbalance leading to a pivoting of the oscillating mass 10 around the pins 2.
  • the center of gravity of the part of the oscillating mass 10 which does not incorporate the retreating mass 5 has a fixed location and it depends in particular on the importance of the unbalance formed by the counterweights 7.
  • the person skilled in the art places the recoiling mass 5 of the weapon 5a at its maximum recoil R and it also directs the oscillating mass 10 at its maximum site ⁇ in such a way that the breech 8 is located above the laying plane 101 of the weapon assembly 1.
  • This positioning of the center of gravity of the oscillating mass 10 at the pins 2 is of course effective when the retracting mass 5 is at rest.
  • the fact of moving the receding mass 5 forwards AV releases space behind the cylinder head 8 which is favorable for example for the passage of a crew member 102 during maintenance operations or for evacuation of the vehicle as shown in Figure 5.
  • the counterweight 7 can incorporate at least one functional means such as secondary armament 7d.
  • This armament may include its own site pointing means to allow firing with a different orientation than that of the retreating mass 5.
  • the functional means consists of a viewfinder 7b, it can also be associated with means allowing the orientation of the viewfinder independently of that of the retracting mass 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Golf Clubs (AREA)

Abstract

The invention relates to a weapon assembly (1) and a turret (100) comprising such an assembly, said assembly comprising an oscillating mass which pivots in elevation relative to a mount (3) and thus comprises journals (2) intended to interface with a turret (100). The oscillating mass incorporates a recoiling mass which translates relative to the journals (2) during firing. The weapon assembly (1) is such that the journals (2) are located behind the centre of gravity of the recoiling mass and a counterweight (7) is intended to longitudinally counterbalance the weight of the recoiling mass (5) at rest so as to place the centre of gravity of the oscillating mass (10) at the journals (2). Said weapon assembly is characterised in that at least one journal (2) is rigidly connected to a first end of an arm (6) which is therefore rigidly connected to the oscillating mass, the arm (6) comprising the counterweight (7) at the second end thereof, the counterweight (7) comprising at least one ballistic armour plate (7a) and/or at least one functional means consisting of a sight (7b) and/or a secondary weapon (7e).

Description

    Montage d’arme et tourelle comportant un tel montageWeapon assembly and turret comprising such an assembly
  • Le domaine technique de l'invention est celui des montages d’arme pour véhicules militaires et des tourelles comportant de tels montages.The technical field of the invention is that of weapon assemblies for military vehicles and turrets comprising such assemblies.
  • Les montages d’armes traditionnels sur les tourelles de char de combat comportent des tourillons servant de point de pivot en site à l’arme. Afin de limiter les efforts de pointage en site de l’arme, il est connu de positionner longitudinalement les tourillons au niveau du centre de gravité de la masse oscillante de l’arme. Traditional weapon mounts on tank turrets include trunnions serving as the site's pivot point for the weapon. In order to limit the pointing efforts on the weapon's site, it is known to position the pins longitudinally at the center of gravity of the oscillating mass of the weapon.
  • Un tel montage sur une tourelle oblige lors du tir à avoir un dégagement dans la partie centrale de la tourelle située sous le plan de rotation en gisement de la tourelle afin que le pointage et le recul de l’arme puisse se faire jusque sous ce plan sans interférences. Ce dégagement est classiquement formé par un puits de tourelle pénétrant dans le châssis du véhicule tel que visible dans le brevet US4838144.Such a mounting on a turret obliges during the firing to have a clearance in the central part of the turret located under the plane of rotation in bearing of the turret so that the aiming and the retreat of the weapon can be done up to this plane without interference. This clearance is conventionally formed by a turret well penetrating into the chassis of the vehicle as visible in patent US4838144.
  • Ce type de puits de tourelle est encombrant et constitue une zone de vulnérabilité pour le véhicule qui est obligé de comporter une ouverture conséquente au niveau du châssis pour pouvoir recevoir le panier de tourelle.This type of turret well is bulky and constitutes a zone of vulnerability for the vehicle which is obliged to have a substantial opening at the level of the chassis in order to be able to receive the turret basket.
  • On connaît également par le brevet FR390931 un système d’arme de type artillerie de campagne dans lequel la masse oscillante incorpore un berceau qui assure le guidage de la masse reculante et qui porte à son extrémité arrière un contre poids permettant d’équilibrer la masse du canon lors du pointage le plus élevé. Ce dispositif n’est pas adapté à un montage d’arme en tourelle.Also known from patent FR390931 is a field artillery type weapon system in which the oscillating mass incorporates a cradle which ensures the guidance of the retreating mass and which carries at its rear end a counterweight making it possible to balance the mass of the canon at the highest score. This device is not suitable for mounting a weapon in a turret.
  • L’invention se propose de résoudre ce problème d’encombrement et de vulnérabilité.The invention proposes to solve this problem of congestion and vulnerability.
  • Avantageusement l’invention résout également un problème d’accessibilité en superstructure au travers de la tourelle qui selon l’état de la technique est rendu difficile par la présence de la culasse de l’arme.Advantageously, the invention also solves a problem of accessibility in superstructure through the turret which, according to the state of the art, is made difficult by the presence of the breech of the weapon.
  • L’invention a ainsi pour objet un montage d’arme comprenant une masse oscillante qui pivote en site par rapport à un affût, pour permettre le pointage, et comporte ainsi des tourillons destinés à s’interfacer avec une tourelle de char, la masse oscillante incorporant également une masse reculante qui se translate par rapport aux tourillons lors du tir, masse reculante comportant en particulier une arme, montage d’arme dans lequel les tourillons sont situés en arrière du centre de gravité de la masse reculante et en ce qu’un contrepoids est destiné à contrebalancer longitudinalement le poids de la masse reculante au repos de manière à placer le centre de gravité de la masse oscillante au niveau des tourillons, montage d’arme caractérisé en ce qu’au moins un tourillon est solidaire d’une première extrémité d’un bras qui est donc solidaire de la masse oscillante, bras portant le contrepoids à sa seconde extrémité, le contrepoids comprenant au moins une plaque de blindage balistique et/ou au moins un moyen fonctionnel constitué par un viseur et/ou par un armement secondaire.The subject of the invention is therefore a weapon assembly comprising an oscillating mass which pivots in elevation relative to a carriage, to allow aiming, and thus comprises journals intended to interface with a tank turret, the oscillating mass also incorporating a retracting mass which translates with respect to the journals when fired, retreating mass comprising in particular a weapon, mounting of a weapon in which the journals are situated behind the center of gravity of the retreating mass and in that a counterweight is intended to counterbalance longitudinally the weight of the receding mass at rest so as to place the center of gravity of the oscillating mass at the level of the pins, weapon assembly characterized in that at least one pin is secured to a first end of an arm which is therefore secured to the oscillating mass, arm carrying the counterweight at its second end, the counterweight comprising at least u ne ballistic armor plate and / or at least one functional means constituted by a sight and / or by a secondary armament.
  • Avantageusement, le montage comporte deux bras situés chacun de part et d’autre de la masse oscillante, chaque bras portant un contrepoids.Advantageously, the assembly comprises two arms each located on either side of the oscillating mass, each arm carrying a counterweight.
  • Selon un mode particulier de réalisation, l’armement secondaire pourra comporter un lance grenade.According to a particular embodiment, the secondary armament may include a grenade launcher.
  • Selon un autre mode de réalisation, l’armement secondaire pourra comporter une mitrailleuse de moyen calibre.According to another embodiment, the secondary armament may include a medium-caliber machine gun.
  • L’invention a également pour objet une tourelle pour véhicule militaire pivotante en gisement autour d’un roulement séparant la tourelle du véhicule et définissant un plan de pose, tourelle caractérisée en ce qu’elle comporte un montage d’arme selon l’une des caractéristiques précédentes, montage dans lequel la distance D entre les tourillons et le centre de gravité de la masse reculante pour une hauteur de plan de pose donnée est choisie de manière à ce que lorsque la masse oscillante est à son site maximum et la masse reculante à son recul maximum, la masse reculante se trouve au-dessus du plan de pose. The subject of the invention is also a turret for a military vehicle pivoting in bearing around a bearing separating the turret from the vehicle and defining a laying plane, turret characterized in that it comprises a weapon mounting according to one of the previous characteristics, assembly in which the distance D between the trunnions and the center of gravity of the receding mass for a given height of the plane of laying is chosen so that when the oscillating mass is at its maximum site and the receding mass at its maximum recoil, the retracting mass is above the laying plane.
  • L’invention sera mieux comprise à la lecture de la description suivante, description faite à la lumière des dessins annexés, dessins dans lesquels:The invention will be better understood on reading the following description, description made in the light of the appended drawings, drawings in which:
  •  : vue de trois quarts avant d’une tourelle selon l’invention ; : front three-quarter view of a turret according to the invention;
  •  : vue de trois quarts avant d’un montage d’arme selon l’invention ; : front three-quarter view of a weapon assembly according to the invention;
  •  : vue schématique latérale d’une tourelle et d’un montage d’arme selon l’invention et selon une première configuration de pointage ; : schematic side view of a turret and of a weapon assembly according to the invention and according to a first pointing configuration;
  •  : vue schématique latérale d’une tourelle et d’un montage d’arme selon l’invention et selon une seconde configuration de pointage ; : schematic side view of a turret and of a weapon assembly according to the invention and according to a second pointing configuration;
  •  : vue de trois quarts avant d’une tourelle selon l’invention avec un personnel à bord. : three-quarter front view of a turret according to the invention with personnel on board.
  • Selon la figure 1, une tourelle 100 de char comporte un montage 1 d’arme. Le montage d’arme 1 comporte des tourillons 2 (qui seront mieux vus à la figure 2), solidaires de la tourelle 100 au niveau d’un affût 3 solidaire de la carapace 4 de la tourelle 100. According to Figure 1, a tank turret 100 has a weapon assembly 1. The weapon assembly 1 comprises pins 2 (which will be better seen in FIG. 2), integral with the turret 100 at the level of a mount 3 secured to the shell 4 of the turret 100.
  • Le montage d’arme 1 comporte une arme 5a de gros calibre (calibre supérieur à 40 mm) solidaire du montage 1 au niveau des tourillons qui constituent des axes 2 de pivotement en site pour la masse oscillante 10 portant l’arme 5a.The weapon assembly 1 comprises a large caliber weapon 5a (caliber greater than 40 mm) integral with the assembly 1 at the level of the pins which constitute axes 2 of pivoting in elevation for the oscillating mass 10 carrying the weapon 5a.
  • D’une façon classique et bien connue de l’Homme du Métier on désigne par masse oscillante 10 tous les éléments du montage d’arme 1 qui pivotent en site autour des tourillons 2.In a conventional manner well known to those skilled in the art, oscillating mass 10 designates all the elements of the weapon assembly 1 which pivot in elevation around the pins 2.
  • On désigne par masse reculante 5 tous les éléments du montage d’arme 1 qui reculent lors du tir.The term “retreating mass 5” designates all the elements of the weapon assembly 1 which retreat during firing.
  • Plus précisément une masse oscillante 10 comprend en particulier la masse reculante 5 et le berceau qui reçoit et guide cette dernière lors du recul.More specifically, an oscillating mass 10 comprises in particular the retreating mass 5 and the cradle which receives and guides the latter during retraction.
  • Une masse reculante 5 comprend en particulier l’arme 5a elle-même avec son tube et sa culasse 8 et la partie des freins de recul (non représentés) qui accompagne le recul (la partie fixe des freins reste liée au berceau).A recoil mass 5 comprises in particular the weapon 5a itself with its tube and breech 8 and the part of the recoil brakes (not shown) which accompanies the recoil (the fixed part of the brakes remains linked to the cradle).
  • Chaque tourillon 2 est solidaire d’une première extrémité d’un bras 6 situé de part et d’autre de la masse oscillante 10. La seconde extrémité de chaque bras 6 comporte un contrepoids 7.Each pin 2 is integral with a first end of an arm 6 located on either side of the oscillating mass 10. The second end of each arm 6 has a counterweight 7.
  • Chaque contrepoids 7 comporte ici une plaque de blindage 7a sensiblement perpendiculaire à l’axe longitudinal de la masse reculante 5 de l’arme 5a afin de protéger balistiquement les parties de la tourelle 100 situées derrière ces plaques 7a. Les contrepoids pourront avantageusement comprendre des moyens fonctionnels de la tourelle, c’est-à-dire des moyens exerçant une fonction opérationnelle autre que celle de contrepoids, par exemple des équipements d’acquisition de cible (viseurs, désignateurs) ou des équipements de défense (armements secondaire, tourelleaux, systèmes de défense rapprochée…). Each counterweight 7 here comprises a shielding plate 7a substantially perpendicular to the longitudinal axis of the retreating mass 5 of the weapon 5a in order to ballistically protect the parts of the turret 100 located behind these plates 7a. The counterweights may advantageously include functional means of the turret, that is to say means exercising an operational function other than that of counterweight, for example target acquisition equipment (sights, designators) or defense equipment. (secondary armaments, cupolas, close defense systems, etc.).
  • Un premier contrepoids 7 situé à droite de la masse reculante 5 comporte par exemple un viseur 7b alors qu’un second contrepoids 7 comporte ici un armement secondaire 7e qui comporte un lance-grenade 7c ainsi qu’une mitrailleuse de moyen calibre 7d. Le montage d’arme 1 seul avec la masse reculante 5 de l’arme 5a et ses contrepoids 7 est mieux vu sur la figure 2.A first counterweight 7 located to the right of the retracting mass 5 comprises for example a sight 7b while a second counterweight 7 here comprises a secondary armament 7e which comprises a grenade launcher 7c as well as a medium caliber machine gun 7d. The weapon assembly 1 alone with the receding mass 5 of the weapon 5a and its counterweights 7 is best seen in FIG. 2.
  • Comme visible à la figure 3 les contrepoids 7 formés par les plaques de blindages et les divers équipements ont pour fonction, grâce à la position de leur centre de gravité T, de contrebalancer le poids de la masse reculante 5 qui s’exerce au niveau de son centre de gravité G, en plaçant le centre de gravité I de la masse oscillante 10 du montage d’arme 1 au niveau des tourillons 2. De cette manière les efforts de pointage en site de l’arme 5 sont minimes. As can be seen in FIG. 3, the counterweights 7 formed by the armor plates and the various equipment have the function, thanks to the position of their center of gravity T, of counterbalancing the weight of the receding mass 5 which is exerted at the level of its center of gravity G, by placing the center of gravity I of the oscillating mass 10 of the weapon assembly 1 at the level of the pins 2. In this way the pointing efforts in elevation of the weapon 5 are minimal.
  • Pour dimensionner les contrepoids 7 et leur distance relativement aux tourillons, l’Homme du Métier a besoin de connaître la distance D du centre de gravité G de la masse reculante 5 relativement aux tourillons 2.To dimension the counterweights 7 and their distance relative to the journals, the skilled person needs to know the distance D from the center of gravity G of the retracting mass 5 relative to the journals 2.
  • Cette évaluation se fait classiquement aujourd’hui à l’aide des moyens de conception assistée par ordinateur.This assessment is conventionally carried out today using computer-aided design means.
  • Il est bien entendu que conformément à l’invention la position du centre de gravité G de la masse reculante se trouve en avant des tourillons 2 et crée un déséquilibre conduisant à un pivotement de la masse oscillante 10 autour des tourillons 2. Le centre de gravité de la partie de la masse oscillante 10 qui n’incorpore pas la masse reculante 5 a une localisation fixe et elle dépend en particulier de l’importance du balourd constitué par les contrepoids 7. It is understood that in accordance with the invention the position of the center of gravity G of the retracting mass is located in front of the pins 2 and creates an imbalance leading to a pivoting of the oscillating mass 10 around the pins 2. The center of gravity of the part of the oscillating mass 10 which does not incorporate the retreating mass 5 has a fixed location and it depends in particular on the importance of the unbalance formed by the counterweights 7.
  • Il est aisé par conception assistée par ordinateur de déterminer l’ampleur des contrepoids à mettre en place (masse du contrepoids 7 et longueur du bras 6) pour compenser une avance donnée G du centre de gravité de la masse reculante 5 par rapport à l’axe des tourillons 2.It is easy by computer-aided design to determine the extent of the counterweights to be put in place (mass of the counterweight 7 and length of the arm 6) to compensate for a given advance G of the center of gravity of the receding mass 5 relative to the pin axis 2.
  • En effet, conformément à l’invention, afin d’éviter une intrusion de la masse reculante 5 en dessous du plan de pose 101, on va tout d’abord avancer le centre de gravité G de la masse reculante 5 en procédant de la façon suivante :Indeed, in accordance with the invention, in order to avoid an intrusion of the receding mass 5 below the laying plane 101, we will first of all advance the center of gravity G of the receding mass 5 by proceeding in the manner next :
  • Pour cela comme à la figure 4, pour une hauteur H donnée des tourillons 2 relativement au plan de pose 101, l’Homme du Métier, place la masse reculante 5 de l’arme 5a à son recul R maximum et il oriente par ailleurs la masse oscillante 10 à son site α maximal d’une façon telle que la culasse 8 se trouve au-dessus du plan de pose 101 du montage d’arme 1. For this, as in FIG. 4, for a given height H of the pins 2 relative to the laying plane 101, the person skilled in the art, places the recoiling mass 5 of the weapon 5a at its maximum recoil R and it also directs the oscillating mass 10 at its maximum site α in such a way that the breech 8 is located above the laying plane 101 of the weapon assembly 1.
  • En laissant revenir l’arme en batterie, l’Homme du Métier obtient donc quelle doit être la position du centre de gravité G de la masse reculante 5 au repos par rapport aux tourillons 2.By letting the weapon return to the battery, the person skilled in the art therefore obtains what must be the position of the center of gravity G of the receding mass 5 at rest relative to the pins 2.
  • Une telle position avancée par rapport aux tourillons 2 implique que lors d’un tir à puissance maximale, le recul maximal de la masse reculante 5 place la fin de course de la culasse 8 également notablement plus vers l’avant et à proximité des tourillons 2 comparativement à une arme selon l’état de la technique qui a le centre de gravité de sa masse reculante 5 confondu avec les tourillons 2 lorsqu’elle est au repos.Such an advanced position relative to the pins 2 implies that when firing at maximum power, the maximum recoil of the retracting mass 5 places the end of stroke of the breech 8 also significantly more forward and near the pins 2 compared to a weapon according to the state of the art which has the center of gravity of its receding mass 5 coincides with the pins 2 when it is at rest.
  • Grâce à ce déport du centre de gravité G de la masse reculante 5 de l’arme vers l’avant, on peut se dispenser d’équiper la tourelle d’un puits de tourelle et le châssis du véhicule n’aura pas à comporter d’ouverture vulnérante. Thanks to this offset from the center of gravity G of the retracting mass 5 of the weapon forwards, it is possible to dispense with equipping the turret with a turret well and the chassis of the vehicle will not have to include d oppressive opening.
  • En fonction de la position du centre de gravité G de la masse reculante 5 qu’il aura choisi relativement aux tourillons 2, l’Homme du Métier n’aura plus qu’à positionner le centre de gravité des contrepoids et choisir leur masse pour contrebalancer le balourd créé par la masse reculante 5 et positionner ainsi le centre de gravité de la masse oscillante 10 au niveau des tourillons 2. Le mode opératoire a été décrit précédemment et fera intervenir les outils de conception assistée par ordinateur.Depending on the position of the center of gravity G of the retracting mass 5 that he has chosen relative to the pins 2, the skilled person will only have to position the center of gravity of the counterweights and choose their mass to counterbalance the imbalance created by the retreating mass 5 and thus positioning the center of gravity of the oscillating mass 10 at the level of the pins 2. The operating mode has been described previously and will involve the tools of computer-aided design.
  • Ce positionnement du centre de gravité de la masse oscillante 10 au niveau des tourillons 2 est bien entendu effectif lorsque la masse reculante 5 est au repos.This positioning of the center of gravity of the oscillating mass 10 at the pins 2 is of course effective when the retracting mass 5 is at rest.
  • Avantageusement, le fait de déplacer la masse reculante 5 vers l’avant AV dégage de l’espace en arrière de la culasse 8 ce qui est favorable par exemple au passage d’un membre d’équipage 102 lors d’interventions de maintenance ou pour l’évacuation du véhicule comme visible à la figure 5.Advantageously, the fact of moving the receding mass 5 forwards AV releases space behind the cylinder head 8 which is favorable for example for the passage of a crew member 102 during maintenance operations or for evacuation of the vehicle as shown in Figure 5.
  • On a vu que le contrepoids 7 peut incorporer au moins un moyen fonctionnel tel qu’un armement secondaire 7d. Cet armement pourra comporter ses propres moyens de pointage en site pour permettre un tir avec une orientation différente de celle de la masse reculante 5.We have seen that the counterweight 7 can incorporate at least one functional means such as secondary armament 7d. This armament may include its own site pointing means to allow firing with a different orientation than that of the retreating mass 5.
  • Lorsque le moyen fonctionnel est constitué par un viseur 7b il pourra lui aussi être associé à des moyens permettant l’orientation du viseur indépendamment de celle de la masse reculante 5.When the functional means consists of a viewfinder 7b, it can also be associated with means allowing the orientation of the viewfinder independently of that of the retracting mass 5.

Claims (5)

  1. Montage d’arme (1) comprenant une masse oscillante (10) qui pivote en site par rapport à un affût (3), pour permettre le pointage, et comporte ainsi des tourillons (2) destinés à s’interfacer avec une tourelle (100) de char, la masse oscillante (10) incorporant également une masse reculante (5) qui se translate par rapport aux tourillons (2) lors du tir, masse reculante (5) comportant en particulier une arme (5a), montage d’arme (1) dans lequel les tourillons (2) sont situés en arrière du centre de gravité (G) de la masse reculante (5) et en ce qu’un contrepoids (7) est destiné à contrebalancer longitudinalement le poids de la masse reculante (5) au repos de manière à placer le centre de gravité de la masse oscillante (10) au niveau des tourillons (2), montage d’arme caractérisé en ce qu’au moins un tourillon (2) est solidaire d’une première extrémité d’un bras (6) qui est donc solidaire de la masse oscillante (10), bras (6) portant le contrepoids (7) à sa seconde extrémité, le contrepoids (7) comprenant au moins une plaque de blindage balistique (7a) et/ou au moins un moyen fonctionnel constitué par un viseur (7b) et/ou par un armement secondaire (7e).Weapon assembly (1) comprising an oscillating mass (10) which pivots in elevation relative to a carriage (3), to allow aiming, and thus comprises pins (2) intended to interface with a turret (100 ) of tank, the oscillating mass (10) also incorporating a retreating mass (5) which translates relative to the pins (2) during the firing, retracting mass (5) comprising in particular a weapon (5a), mounting of weapon (1) in which the pins (2) are located behind the center of gravity (G) of the recoiling mass (5) and in that a counterweight (7) is intended to counterbalance the weight of the recoiling mass ( 5) at rest so as to place the center of gravity of the oscillating mass (10) at the level of the pins (2), mounting of a weapon characterized in that at least one pin (2) is integral with a first end an arm (6) which is therefore integral with the oscillating mass (10), arm (6) carrying the counterweight (7) at its second e end, the counterweight (7) comprising at least one ballistic armor plate (7a) and / or at least one functional means constituted by a sight (7b) and / or by a secondary armament (7e).
  2. Montage d’arme (1) selon la revendication 1, caractérisé en ce qu’il comporte deux bras (6) situés chacun de part et d’autre de la masse oscillante (10), chaque bras (6) portant un contrepoids (7).Weapon mounting (1) according to claim 1, characterized in that it comprises two arms (6) each located on either side of the oscillating mass (10), each arm (6) carrying a counterweight (7 ).
  3. Montage d’arme (1) selon une des revendications 1 ou 2, caractérisé en ce que l’armement secondaire (7e) comporte un lance grenade (7c).Weapon assembly (1) according to one of claims 1 or 2, characterized in that the secondary armament (7e) comprises a grenade launcher (7c).
  4. Montage d’arme (1) selon une des revendications 1 ou 2, caractérisé en ce que l’armement secondaire (7e) comporte une mitrailleuse de moyen calibre (7d).Weapon assembly (1) according to one of claims 1 or 2, characterized in that the secondary armament (7e) comprises a medium-caliber machine gun (7d).
  5. Tourelle (100) pour véhicule militaire pivotante en gisement autour d’un roulement séparant la tourelle (100) du véhicule et définissant un plan de pose (101), tourelle (100) caractérisée en ce qu’elle comporte un montage d’arme (1) selon l’une des revendications précédentes, montage (1) dans lequel la distance D entre les tourillons (2) et le centre de gravité (G) de la masse reculante (5) pour une hauteur (H) de plan de pose (101) donnée est choisie de manière à ce que lorsque la masse oscillante (10) est à son site maximum et la masse reculante (5) à son recul maximum, la masse reculante (5) se trouve au-dessus du plan de pose (101).Turret (100) for a military vehicle pivoting around a bearing separating the turret (100) from the vehicle and defining a mounting plane (101), turret (100) characterized in that it comprises a weapon mounting ( 1) according to one of the preceding claims, assembly (1) in which the distance D between the pins (2) and the center of gravity (G) of the receding mass (5) for a height (H) of the plane of laying (101) given is chosen so that when the oscillating mass (10) is at its maximum site and the retreating mass (5) at its maximum recoil, the retreating mass (5) is above the laying plane (101).
EP19813651.7A 2018-11-08 2019-11-06 Weapon assembly and turret comprising such an assembly Active EP3877718B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1801168A FR3088419B1 (en) 2018-11-08 2018-11-08 WEAPON MOUNT AND TURRET INCLUDING SUCH MOUNT
PCT/IB2019/059539 WO2020095229A1 (en) 2018-11-08 2019-11-06 Weapon assembly and turret comprising such an assembly

Publications (2)

Publication Number Publication Date
EP3877718A1 true EP3877718A1 (en) 2021-09-15
EP3877718B1 EP3877718B1 (en) 2022-11-02

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Application Number Title Priority Date Filing Date
EP19813651.7A Active EP3877718B1 (en) 2018-11-08 2019-11-06 Weapon assembly and turret comprising such an assembly

Country Status (10)

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EP (1) EP3877718B1 (en)
KR (1) KR20210099578A (en)
AU (1) AU2019375544A1 (en)
ES (1) ES2934475T3 (en)
FI (1) FI3877718T3 (en)
FR (1) FR3088419B1 (en)
HU (1) HUE061205T2 (en)
IL (1) IL282709B1 (en)
PL (1) PL3877718T3 (en)
WO (1) WO2020095229A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE203003C (en) *
DE3717857A1 (en) 1987-05-27 1988-12-15 Rheinmetall Gmbh AUTOMATIC LOADING DEVICE FOR A TUBE ARM
FR2824896B1 (en) * 2001-05-17 2003-08-15 Giat Ind Sa WEAPON POINTING SYSTEM

Also Published As

Publication number Publication date
HUE061205T2 (en) 2023-05-28
IL282709A (en) 2021-06-30
FR3088419A1 (en) 2020-05-15
EP3877718B1 (en) 2022-11-02
ES2934475T3 (en) 2023-02-22
FR3088419B1 (en) 2022-04-01
IL282709B1 (en) 2024-08-01
AU2019375544A1 (en) 2021-05-27
PL3877718T3 (en) 2023-01-09
KR20210099578A (en) 2021-08-12
FI3877718T3 (en) 2023-02-28
WO2020095229A1 (en) 2020-05-14

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