EP2071268A1 - Retractable turret - Google Patents

Retractable turret Download PDF

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Publication number
EP2071268A1
EP2071268A1 EP08291137A EP08291137A EP2071268A1 EP 2071268 A1 EP2071268 A1 EP 2071268A1 EP 08291137 A EP08291137 A EP 08291137A EP 08291137 A EP08291137 A EP 08291137A EP 2071268 A1 EP2071268 A1 EP 2071268A1
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EP
European Patent Office
Prior art keywords
active system
box
turret
arms
platform
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
EP08291137A
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German (de)
French (fr)
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EP2071268B1 (en
Inventor
Jean-François Cazalieres
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
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Nexter Systems SA
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Publication date
Application filed by Nexter Systems SA filed Critical Nexter Systems SA
Priority to PL08291137T priority Critical patent/PL2071268T3/en
Publication of EP2071268A1 publication Critical patent/EP2071268A1/en
Application granted granted Critical
Publication of EP2071268B1 publication Critical patent/EP2071268B1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A23/00Gun mountings, e.g. on vehicles; Disposition of guns on vehicles
    • F41A23/20Gun mountings, e.g. on vehicles; Disposition of guns on vehicles for disappearing guns

Definitions

  • the technical sector of the present invention is that of cupolas mounted on a platform.
  • Gun-type devices are known having several tubes mounted in battery. They are not steerable and have an important rigid structure capable of supporting the efforts.
  • Deployable weapon systems are also known, but these weapon systems are not rechargeable from within a vehicle.
  • the invention therefore relates to a cupola mounted retractably and having means for sealing between the inside and outside of the platform, regardless of the position of the cupola.
  • the invention relates to a retractable turret mounted on a platform, comprising an active system, a protective cover of the active system, pointing means in situ and bearing, turret characterized in that the active system is movable d a retracted position at an extended position by means of at least one pair of arms forming a deformable parallelogram.
  • one of the arms of the deformable parallelogram has a length that can be modified by an actuator, thus enabling the active system to be pointed in position when it is in the deployed position.
  • the cupola comprises a ring fixed on the platform and forming a pivot for a bearing pointing, crown comprising a fixed part integral with the platform and a movable part on which is fixed the active system via the arms.
  • the cupola comprises a motorization for pivoting one of the arms relative to the crown thus controlling the passage of the system active from one position retracted or deployed to the other position.
  • the cupola comprises a box, integral with the movable part of the crown, box inside which is housed the active system in the retracted position.
  • the box has a profile inclined relative to the pivot plane of the ring and thus has a rear face for accessing the active system when the latter is in the retracted position.
  • the box may form a closed chamber for sealing between the outside and inside of the platform, the box further comprising a flap for accessing the active system when the latter is in the retracted position.
  • the hood is fixed at a front portion of an upper face of the active system by at least one hinge, a spring means being provided for pivoting the hood relative to the active system so as to clear a front face of the active system in the deployed position.
  • the cover will advantageously carry at least one circular seal designed to be applied against an upper face of the crown when the active system is in the retracted position, the spring means also allowing to maintain the support of the hood against the crown in this retracted position.
  • the active system is orientable at an angle of between -10 ° and 60 °.
  • the cupola according to the invention occupies a reduced volume and thus allows a possible reloading in any position over the entire gyration zone.
  • cupola can support one or more active systems. These systems can be means of vision, weapons or defenses.
  • this active system is a multitubes block allowing the firing of projectiles (for example masking or decoying).
  • projectiles for example masking or decoying
  • the cupolas are intended to equip a platform 11 (represented on the figure 3 ), such as a vehicle or a building.
  • the figure 1 represents a cupola according to the invention in the deployed position.
  • the cupola comprises an active system which is here formed by a block 6 comprising multiple launch tubes.
  • a protective cover 9 covers the block 6.
  • the block 6 is supported on each side by a pair of arms 1 and 2 to move it from a retracted position to an extended position.
  • the two pairs of arms 1,2 are arranged on either side of the block 6 and connected on the one hand to the block 6 by a pivot connection and on the other hand to a box 12 (see FIG. figures 2 and 3 ), which is itself secured to the movable portion of a bearing ring 10.
  • the figure 5 shows more precisely the mounting of this ring 10.
  • the ring 10 comprises a movable part 10a, a fixed part 10b and rolling means 10c in order to make a pivot connection between the cupola and the platform on which it is mounted.
  • the fixed part 10a is fixed to the platform 11 by screws 14.
  • the movable part 10b carries the box 12 which is fixed by other screws 15.
  • a circular toothing 16 is secured to the box 12.
  • a pinion (not shown on the figure 5 ) is driven by a motor 5 (see figures 1 and 2 ) integral with the fixed part 10a of the ring.
  • the ring 10 thus forms a pivot allowing pointing in the turret.
  • a cowling 10d caps the ring 10 and protects the rolling means 10c. It is secured to the movable part 10b.
  • the figure 2 represents the cupola according to the invention in the retracted position. It can be distinguished in particular that in this configuration, the cover 9 is applied to the ring 10, which ensures sealing with the outside of the platform.
  • a circular seal 17 (see figure 1 and 5 ) is applied against the upper face of the ring 10 when the active system is in the retracted position.
  • the box 12 inside which is housed the active system 6 in its retracted position.
  • the box 12 forms a closed enclosure which makes it possible to seal between the outside and the inside of the platform 11.
  • the box 12 comprises a flap 7 which is provided with a seal and which makes it possible to close a rear face 12a of the box carrying an opening 13.
  • This flap 7 makes it possible to access the active system 6 when the latter is in the retracted position.
  • the flap 7 also seals the assembly with respect to the exterior once the cupola in the deployed position. This flap, once the cupola in the retracted position, tilts to allow the supply of ammunition from the inside of the platform 11.
  • the shape of the opening 13 of the box 12 is substantially complementary to the shape of the flap 7 in order to cooperate together and to ensure the tightness of the device when the turret is deployed.
  • the box 12 is secured to the movable portion of the ring 10.
  • a movable bolt 3 comprising a percussion system is locked at the rear of the block 6 and provides the firing chain of the selected munition.
  • An unlocking means 8 makes it possible to unlock the mobile breech block.
  • the figure 3 is another representation of the cupola according to the invention in the retracted position. There is shown a wall of the platform 11 supporting the cupola.
  • FIGS. 4a and 4b schematize the architecture of the cupola and show in particular the kinematics of deployment of the block 6 by the arms 1 and 2.
  • the figure 4a shows the cupola in its retracted position.
  • the active system 6 is housed inside the box 12 and the latter has a profile which is inclined relative to the pivot plane of the ring 10 (horizontal plane of the platform 11).
  • the rear face 12a of the box is oriented towards the inside of the platform 11 and provides easy access to the active system 6 when the latter is in the retracted position.
  • the box 12 is secured to the movable portion 10b of the ring 10. Thus the pivoting of the box 12 is possible around the axis 18 to allow pointing in the bearing.
  • the arms 1 and 2 are fixed at one end at the box 12 and at their other end to the system. active 6.
  • the fasteners 1a, 2a, 2b are constituted by pivot joints.
  • the lower end 1b of the arm 1 is also secured to a shaft driven by a motor 19 (motor also visible on the figure 1 ).
  • the motor control 19 (rotation R) moves the active system from its retracted position ( figure 4a ) to its deployed position ( figure 4b ).
  • the fixing points 1a, 1b, 2a, 2b are chosen by those skilled in the art so that the deformable parallelogram formed by the arms 1, 2 ensures the desired deployment kinematics.
  • the active system 6 is offset in front of the axis 18 and is slightly inclined upwards.
  • the arms 1 and 2 are then in a substantially vertical orientation.
  • one of the arms 2 of the deformable parallelogram has a length which can be modified by an actuator 20.
  • this characteristic is ensured by producing the arm 2 in the form of a linear jack 20.
  • FIGS 4a and 4b also show the mounting of the cover 9 on the active system 6.
  • the upper face 6a of the active system 6 carries at its front part tabs 22 which receive articulations 21 integral with the cover 9 (see also figure 1 ).
  • At least one spring means 23 is fixed between the cover 9 and a lug 24 fixed to the upper face 6a of the active system, in the vicinity of a rear portion.
  • the spring means rotates the hood relative to the active system around the hinge 21. It is thus ensured to disengage the front face 6b of the active system in the deployed position.
  • the hood 9 does not interfere with the ammunition firing.
  • the cylinders 20 may be replaced by racks or screws actuated by an electric motor.

Abstract

The turret has a cover (9) for protecting an active system (6), where the turret is mounted on a platform. The active system is moved from a retracted position to a deployed position using a pair of arms (1, 2), where the arms form an expanding parallelogram. The length of one of the arms is modified by an actuator (20) for permitting elevation aiming of the system, when the system is in deployed position. A crown (10) is fixed on the platform and forms a pivot for permitting directional aiming of the system.

Description

Le secteur technique de la présente invention est celui des tourelleaux montés sur une plate-forme.The technical sector of the present invention is that of cupolas mounted on a platform.

Il est connu à ce jour des tourelleaux équipant une plate-forme (véhicule, bâtiment,...) et destinés à supporter un système actif constitué d'armes offensives ou défensives et/ou d'un moyen de vision déportée tel un épiscope ou une caméra.It is known to date turrets equipping a platform (vehicle, building, ...) and intended to support an active system consisting of offensive or defensive weapons and / or a remote viewing means such as a periscope or a camera.

On connaît des dispositifs de type canons présentant plusieurs tubes montés en batterie. Ils ne sont pas orientables et présentent une importante structure rigide capable de supporter les efforts.Gun-type devices are known having several tubes mounted in battery. They are not steerable and have an important rigid structure capable of supporting the efforts.

On connaît également des systèmes d'armes déployables, mais ces systèmes d'armes ne sont pas rechargeables depuis l'intérieur d'un véhicule.Deployable weapon systems are also known, but these weapon systems are not rechargeable from within a vehicle.

L'invention concerne donc un tourelleau monté de manière escamotable et comportant des moyens permettant d'assurer l'étanchéité entre l'intérieur et l'extérieur de la plate-forme, quelle que soit la position du tourelleau.The invention therefore relates to a cupola mounted retractably and having means for sealing between the inside and outside of the platform, regardless of the position of the cupola.

L'invention a pour objet un tourelleau escamotable monté sur une plate-forme, comprenant un système actif, un capot de protection du système actif, des moyens de pointage en site et en gisement, tourelleau caractérisé en ce que le système actif est déplaçable d'une position escamotée à une position déployée à l'aide d'au moins une paire de bras formant un parallélogramme déformable.The invention relates to a retractable turret mounted on a platform, comprising an active system, a protective cover of the active system, pointing means in situ and bearing, turret characterized in that the active system is movable d a retracted position at an extended position by means of at least one pair of arms forming a deformable parallelogram.

Selon autre une caractéristique de l'invention, un des bras du parallélogramme déformable a une longueur modifiable par un actionneur permettant ainsi un pointage en site du système actif lorsqu'il est en position déployée.According to another characteristic of the invention, one of the arms of the deformable parallelogram has a length that can be modified by an actuator, thus enabling the active system to be pointed in position when it is in the deployed position.

Le tourelleau comporte une couronne fixée sur la plate-forme et formant un pivot permettant un pointage en gisement, couronne comportant une partie fixe solidaire de la plate-forme et une partie mobile sur laquelle est fixée le système actif par l'intermédiaire des bras. Selon autre une caractéristique de l'invention, le tourelleau comporte une motorisation permettant de faire pivoter un des bras par rapport à la couronne commandant ainsi le passage du système actif d'une position escamotée ou déployée à l'autre position.The cupola comprises a ring fixed on the platform and forming a pivot for a bearing pointing, crown comprising a fixed part integral with the platform and a movable part on which is fixed the active system via the arms. According to another characteristic of the invention, the cupola comprises a motorization for pivoting one of the arms relative to the crown thus controlling the passage of the system active from one position retracted or deployed to the other position.

Selon autre une caractéristique de l'invention, le tourelleau comporte un caisson, solidaire de la partie mobile de la couronne, caisson à l'intérieur duquel se loge le système actif en position escamotée.According to another characteristic of the invention, the cupola comprises a box, integral with the movable part of the crown, box inside which is housed the active system in the retracted position.

Selon autre une caractéristique de l'invention, le caisson présente un profil incliné par rapport au plan de pivotement de la couronne et comporte ainsi une face arrière permettant d'accéder au système actif lorsque ce dernier est en position escamotée.According to another characteristic of the invention, the box has a profile inclined relative to the pivot plane of the ring and thus has a rear face for accessing the active system when the latter is in the retracted position.

Le caisson pourra former une enceinte fermée permettant d'assurer l'étanchéité entre l'extérieur et l'intérieur de la plate-forme, le caisson comportant par ailleurs un volet permettant d'accéder au système actif lorsque ce dernier est en position escamotée.The box may form a closed chamber for sealing between the outside and inside of the platform, the box further comprising a flap for accessing the active system when the latter is in the retracted position.

Selon une autre caractéristique, le capot est fixé au niveau d'une partie avant d'une face supérieure du système actif par au moins une articulation, un moyen ressort étant prévu permettant de faire pivoter le capot par rapport au système actif de façon à dégager une face avant du système actif en position déployée.According to another feature, the hood is fixed at a front portion of an upper face of the active system by at least one hinge, a spring means being provided for pivoting the hood relative to the active system so as to clear a front face of the active system in the deployed position.

Le capot portera avantageusement au moins un joint d'étanchéité circulaire destiné à être appliqué contre une face supérieure de la couronne lorsque le système actif est en position escamotée, le moyen ressort permettant par ailleurs de maintenir l'appui du capot contre la couronne dans cette position escamotée.The cover will advantageously carry at least one circular seal designed to be applied against an upper face of the crown when the active system is in the retracted position, the spring means also allowing to maintain the support of the hood against the crown in this retracted position.

Selon autre une caractéristique de l'invention, le système actif est orientable en site selon un angle compris entre -10° et 60°.According to another characteristic of the invention, the active system is orientable at an angle of between -10 ° and 60 °.

Avantageusement, le tourelleau selon l'invention occupe un volume réduit et autorise de ce fait un rechargement possible dans toute les positions sur la totalité de la zone de giration.Advantageously, the cupola according to the invention occupies a reduced volume and thus allows a possible reloading in any position over the entire gyration zone.

D'autres caractéristiques, détails et avantages de l'invention ressortiront plus clairement de la description détaillée donnée ci-après à titre indicatif en relation avec des vues perspectives sur lesquelles :

  • la figure 1 représente un tourelleau selon l'invention en position déployée,
  • la figure 2 représente le tourelleau selon l'invention en position escamotée,
  • la figure 3 est une autre représentation du tourelleau selon l'invention en position escamotée,
  • les figures 4a et 4b sont deux représentations schématiques du tourelleau en coupe permettant de visualiser la cinématique du mouvement de déploiement, et
  • la figure 5 est une vue de détail du montage de la couronne.
Other features, details and advantages of the invention will emerge more clearly from the detailed description given below as an indication in relation to Perspective views on which:
  • the figure 1 represents a cupola according to the invention in the deployed position,
  • the figure 2 represents the cupola according to the invention in the retracted position,
  • the figure 3 is another representation of the cupola according to the invention in the retracted position,
  • the Figures 4a and 4b are two schematic representations of the cupola cup in section to visualize the kinematics of the deployment movement, and
  • the figure 5 is a detail view of the mounting of the crown.

Il est connu que les tourelleaux peuvent supporter un ou plusieurs systèmes actifs. Ces systèmes peuvent être des moyens de vision, des armes ou des moyens de défense. Dans les exemples de réalisation décrits par la suite, ce système actif est un bloc multitubes permettant le tir de projectiles (par exemple de masquage ou de leurrage). Bien entendu, cet exemple n'est pas limitatif et on pourra remplacer ce bloc multitube par n'importe quel autre système actif. Les tourelleaux sont destinées à équiper une plate-forme 11 (représentée sur la figure 3), tel un véhicule ou un bâtiment.It is known that cupola can support one or more active systems. These systems can be means of vision, weapons or defenses. In the exemplary embodiments described hereinafter, this active system is a multitubes block allowing the firing of projectiles (for example masking or decoying). Of course, this example is not limiting and we can replace this multitube block by any other active system. The cupolas are intended to equip a platform 11 (represented on the figure 3 ), such as a vehicle or a building.

La figure 1 représente un tourelleau selon l'invention en position déployée. Le tourelleau comprend un système actif qui est ici formé par un bloc 6 comportant des tubes de lancement multiples. Un capot 9 de protection coiffe le bloc 6. Le bloc 6 est supporté de chaque côté par une paire de bras 1 et 2 permettant de le déplacer d'une position escamotée à une position déployée. Les deux paires de bras 1,2 sont disposées de part et d'autre du bloc 6 et reliées d'une part au bloc 6 par une liaison pivot et d'autre part à un caisson 12 (voir les figures 2 et 3), qui est lui-même solidaire de la partie mobile d'une couronne 10 de positionnement en gisement.The figure 1 represents a cupola according to the invention in the deployed position. The cupola comprises an active system which is here formed by a block 6 comprising multiple launch tubes. A protective cover 9 covers the block 6. The block 6 is supported on each side by a pair of arms 1 and 2 to move it from a retracted position to an extended position. The two pairs of arms 1,2 are arranged on either side of the block 6 and connected on the one hand to the block 6 by a pivot connection and on the other hand to a box 12 (see FIG. figures 2 and 3 ), which is itself secured to the movable portion of a bearing ring 10.

La figure 5 montre plus précisément le montage de cette couronne 10. La couronne 10 comporte une partie mobile 10a, une partie fixe 10b et des moyens de roulement 10c afin de réaliser une liaison pivot entre le tourelleau et la plate-forme sur laquelle il est monté.The figure 5 shows more precisely the mounting of this ring 10. The ring 10 comprises a movable part 10a, a fixed part 10b and rolling means 10c in order to make a pivot connection between the cupola and the platform on which it is mounted.

La partie fixe 10a est fixée à la plate-forme 11 par des vis 14. La partie mobile 10b porte le caisson 12 qui est fixé par d'autres vis 15. Par ailleurs une denture circulaire 16 est solidaire du caisson 12. Un pignon (non représenté sur la figure 5) est entraîné par un moteur 5 (voir figures 1 et 2) solidaire de la partie fixe 10a de la couronne. La couronne 10 forme ainsi un pivot permettant un pointage en gisement du tourelleau.The fixed part 10a is fixed to the platform 11 by screws 14. The movable part 10b carries the box 12 which is fixed by other screws 15. In addition a circular toothing 16 is secured to the box 12. A pinion ( not shown on the figure 5 ) is driven by a motor 5 (see figures 1 and 2 ) integral with the fixed part 10a of the ring. The ring 10 thus forms a pivot allowing pointing in the turret.

Un capotage 10d coiffe la couronne 10 et assure la protection des moyens de roulement 10c. Il est solidaire de la partie mobile 10b.A cowling 10d caps the ring 10 and protects the rolling means 10c. It is secured to the movable part 10b.

La figure 2 représente le tourelleau selon l'invention en position escamotée. On peut notamment distinguer que dans cette configuration, le capot 9 vient s'appliquer sur la couronne 10, ce qui assure l'étanchéité avec l'extérieur de la plate-forme. Un joint d'étanchéité circulaire 17 (voir figure 1 et 5) est appliqué contre la face supérieure de la couronne 10 lorsque le système actif est en position escamotée.The figure 2 represents the cupola according to the invention in the retracted position. It can be distinguished in particular that in this configuration, the cover 9 is applied to the ring 10, which ensures sealing with the outside of the platform. A circular seal 17 (see figure 1 and 5 ) is applied against the upper face of the ring 10 when the active system is in the retracted position.

On a également représenté sur la figure 2 le caisson 12 à l'intérieur duquel se loge le système actif 6 dans sa position escamotée. Le caisson 12 forme une enceinte fermée qui permet d'assurer l'étanchéité entre l'extérieur et l'intérieur de la plate-forme 11. A cet effet le caisson 12 comporte un volet 7 qui est doté d'un joint d'étanchéité et qui permet de fermer une face arrière 12a du caisson portant une ouverture 13. Ce volet 7 permet d'accéder au système actif 6 lorsque ce dernier est en position escamotée. Le volet 7 assure également l'étanchéité de l'ensemble vis à vis de l'extérieur une fois le tourelleau en position déployée. Ce volet, une fois le tourelleau en position escamotée, bascule afin de permettre l'approvisionnement en munitions à partir de l'intérieur de la plate-forme 11. On remarquera que la forme de l'ouverture 13 du caisson 12 est sensiblement complémentaire à la forme du volet 7 afin de coopérer ensemble et d'assurer l'étanchéité du dispositif lorsque le tourelleau est déployé. De plus, le caisson 12 est solidaire de la partie mobile de la couronne 10. Ainsi, un rechargement est possible dans toutes les positions du tourelleau sur la totalité de la zone de giration (360°).We also represented on the figure 2 the box 12 inside which is housed the active system 6 in its retracted position. The box 12 forms a closed enclosure which makes it possible to seal between the outside and the inside of the platform 11. For this purpose the box 12 comprises a flap 7 which is provided with a seal and which makes it possible to close a rear face 12a of the box carrying an opening 13. This flap 7 makes it possible to access the active system 6 when the latter is in the retracted position. The flap 7 also seals the assembly with respect to the exterior once the cupola in the deployed position. This flap, once the cupola in the retracted position, tilts to allow the supply of ammunition from the inside of the platform 11. It will be noted that the shape of the opening 13 of the box 12 is substantially complementary to the shape of the flap 7 in order to cooperate together and to ensure the tightness of the device when the turret is deployed. In addition, the box 12 is secured to the movable portion of the ring 10. Thus, a reloading is possible in all positions of the cupola over the entire turning zone (360 °).

Une culasse mobile 3 comprenant un système de percussion est verrouillée en partie arrière du bloc 6 et assure la chaîne de mise à feu de la munition sélectionnée. Un moyen 8 de déverrouillage permet de déverrouiller le bloc culasse mobile.A movable bolt 3 comprising a percussion system is locked at the rear of the block 6 and provides the firing chain of the selected munition. An unlocking means 8 makes it possible to unlock the mobile breech block.

La figure 3 est une autre représentation du tourelleau selon l'invention en position escamotée. On a représenté une paroi de la plate-forme 11 supportant le tourelleau.The figure 3 is another representation of the cupola according to the invention in the retracted position. There is shown a wall of the platform 11 supporting the cupola.

Sur cette figure, on peut aussi distinguer que le bloc culasse mobile 3 a été déverrouillé afin de recharger en munitions 4 le bloc 6 à tubes multiples.In this figure, it can also be seen that the breech block 3 has been unlocked in order to reload ammunition 4 block 6 multiple tubes.

Les figures 4a et 4b schématisent l'architecture du tourelleau et montrent notamment la cinématique de déploiement du bloc 6 par les bras 1 et 2.The Figures 4a and 4b schematize the architecture of the cupola and show in particular the kinematics of deployment of the block 6 by the arms 1 and 2.

La figure 4a montre le tourelleau dans sa position escamotée. On voit que le système actif 6 se loge à l'intérieur du caisson 12 et que ce dernier présente un profil qui est incliné par rapport au plan de pivotement de la couronne 10 (plan horizontal de la plate-forme 11). Ainsi la face arrière 12a du caisson est orientée vers l'intérieur de la plate-forme 11 et permet d'accéder facilement au système actif 6 lorsque ce dernier est en position escamotée.The figure 4a shows the cupola in its retracted position. We see that the active system 6 is housed inside the box 12 and the latter has a profile which is inclined relative to the pivot plane of the ring 10 (horizontal plane of the platform 11). Thus the rear face 12a of the box is oriented towards the inside of the platform 11 and provides easy access to the active system 6 when the latter is in the retracted position.

On n'a pas représenté sur ces figures 4a et 4b le volet 7 permettant la fermeture du caisson 12 au niveau de la face arrière 12a.We did not represent on these Figures 4a and 4b the shutter 7 allowing the closure of the box 12 at the rear face 12a.

Le caisson 12 est solidaire de la partie mobile 10b de la couronne 10. Ainsi le pivotement du caisson 12 est possible autour de l'axe 18 pour permettre un pointage en gisement.The box 12 is secured to the movable portion 10b of the ring 10. Thus the pivoting of the box 12 is possible around the axis 18 to allow pointing in the bearing.

On voit sur les figures 4a,4b que le système actif 6 est déplaçable de sa position escamotée à sa position déployée à l'aide d'au moins une paire de bras 1 et 2 qui forment un parallélogramme déformable.We see on Figures 4a, 4b that the active system 6 is movable from its retracted position to its deployed position with the aid of at least one pair of arms 1 and 2 which form a deformable parallelogram.

Les bras 1 et 2 sont fixés à une de leur extrémité au niveau du caisson 12 et à leur autre extrémité au système actif 6. Les fixations 1a,2a,2b sont constituées par des articulations pivot. L'extrémité inférieure 1b du bras 1 est par ailleurs solidaire d'un arbre entraîné par un moteur 19 (moteur aussi visible sur la figure 1). La commande du moteur 19 (rotation R) fait passer le système actif de sa position escamotée (figure 4a) à sa position déployée (figure 4b). Les points de fixation 1a,1b,2a,2b sont choisis par l'Homme du Métier de telle sorte que le parallélogramme déformable formé par les bras 1,2 assure la cinématique de déploiement souhaitée. On voit qu'en position déployée (fig. 4b) le système actif 6 se trouve déporté en avant de l'axe 18 et qu'il se trouve légèrement incliné vers le haut. Les bras 1 et 2 sont alors dans une orientation sensiblement verticale.The arms 1 and 2 are fixed at one end at the box 12 and at their other end to the system. active 6. The fasteners 1a, 2a, 2b are constituted by pivot joints. The lower end 1b of the arm 1 is also secured to a shaft driven by a motor 19 (motor also visible on the figure 1 ). The motor control 19 (rotation R) moves the active system from its retracted position ( figure 4a ) to its deployed position ( figure 4b ). The fixing points 1a, 1b, 2a, 2b are chosen by those skilled in the art so that the deformable parallelogram formed by the arms 1, 2 ensures the desired deployment kinematics. We see that in deployed position ( Fig. 4b ) the active system 6 is offset in front of the axis 18 and is slightly inclined upwards. The arms 1 and 2 are then in a substantially vertical orientation.

Selon une autre caractéristique de l'invention, un des bras 2 du parallélogramme déformable a une longueur qui est modifiable par un actionneur 20. Avantageusement cette caractéristique est assurée en réalisant le bras 2 sous la forme d'un vérin linéaire 20.According to another characteristic of the invention, one of the arms 2 of the deformable parallelogram has a length which can be modified by an actuator 20. Advantageously, this characteristic is ensured by producing the arm 2 in the form of a linear jack 20.

Une telle disposition permet de réaliser le pointage en site (flèche S) du système actif 6 lorsqu'il se trouve en position déployée. La modification de la longueur du bras 2 provoque le pivotement du système actif 6 autour de l'articulation 1a du bras fixe 1.Such an arrangement makes it possible to achieve the pointing in site (arrow S) of the active system 6 when it is in the deployed position. The modification of the length of the arm 2 causes the pivoting of the active system 6 around the articulation 1a of the fixed arm 1.

Les figures 4a et 4b montrent également le montage du capot 9 sur le système actif 6.The Figures 4a and 4b also show the mounting of the cover 9 on the active system 6.

La face supérieure 6a du système actif 6 porte au niveau de sa partie avant des pattes 22 qui reçoivent des articulations 21 solidaires du capot 9 (voir aussi figure 1).The upper face 6a of the active system 6 carries at its front part tabs 22 which receive articulations 21 integral with the cover 9 (see also figure 1 ).

Par ailleurs au moins un moyen ressort 23 est fixé entre le capot 9 et une patte 24 fixé à la face supérieure 6a du système actif, au voisinage d'une partie arrière.Furthermore at least one spring means 23 is fixed between the cover 9 and a lug 24 fixed to the upper face 6a of the active system, in the vicinity of a rear portion.

Lorsque le tourelleau se trouve dans sa position escamotée (figure 4a), on voit que le ressort 23 est en extension. L'effort exercé par le moyen ressort 23 permet de maintenir l'appui du capot 9 contre la couronne 10 en position escamotée. Le joint d'étanchéité 17 se trouve ainsi comprimé.When the cupola is in its retracted position ( figure 4a ), we see that the spring 23 is in extension. The force exerted by the spring means 23 allows to maintain the support of the cover 9 against the ring 10 in the retracted position. The seal 17 is thus compressed.

Lorsque le système actif passe en position déployée, le moyen ressort fait pivoter le capot par rapport au système actif autour de l'articulation 21. On est ainsi assuré de dégager la face avant 6b du système actif en position déployée. Le capot 9 ne vient donc pas gêner le tir des munitions.When the active system moves to the deployed position, the spring means rotates the hood relative to the active system around the hinge 21. It is thus ensured to disengage the front face 6b of the active system in the deployed position. The hood 9 does not interfere with the ammunition firing.

Différentes variantes sont possibles sans sortir du cadre de l'invention. On pourra ainsi utiliser d'autres types d'actionneurs. Par exemple, les vérins 20 pourront être remplacés par des crémaillères ou des vis actionnées par un moteur électrique.Different variants are possible without departing from the scope of the invention. It will thus be possible to use other types of actuators. For example, the cylinders 20 may be replaced by racks or screws actuated by an electric motor.

On pourra prévoir deux bras 1 et 2 de part et d'autre du système actif 6 ou bien un seul jeu de bras 1,2 sur une face latérale du système. Si un seul parallélogramme déformable 1,2 est mis en oeuvre, les points de fixation de ce parallélogramme pourront par ailleurs se trouver au niveau d'une face inférieure du système actif 6.One can provide two arms 1 and 2 on either side of the active system 6 or a single set of arms 1,2 on a side face of the system. If only one deformable parallelogram 1.2 is implemented, the attachment points of this parallelogram may also be located at a lower face of the active system 6.

Claims (10)

Tourelleau escamotable monté sur une plate-forme (11), comprenant un système actif (6), un capot (9) de protection du système actif, des moyens de pointage en site et en gisement, tourelleau caractérisé en ce que le système actif est déplaçable d'une position escamotée à une position déployée à l'aide d'au moins une paire de bras (1, 2) formant un parallélogramme déformable.Retractable turret mounted on a platform (11), comprising an active system (6), a hood (9) for protecting the active system, pointing means in the field and in a turret, characterized in that the active system is movable from a retracted position to an extended position by means of at least one pair of arms (1, 2) forming a deformable parallelogram. Tourelleau selon la revendication 1, caractérisé en ce qu'un des bras (2) du parallélogramme déformable a une longueur modifiable par un actionneur (20) permettant ainsi un pointage en site du système actif (6) lorsqu'il est en position déployée.Swivel according to claim 1, characterized in that one of the arms (2) of the deformable parallelogram has a length that can be modified by an actuator (20), thus enabling the active system (6) to be pointed in elevation when in the deployed position. Tourelleau selon une des revendications 1 ou 2, caractérisé en ce qu'il comporte une couronne (10) fixée sur la plate-forme (11) et formant un pivot permettant un pointage en gisement, couronne comportant une partie fixe (10a) solidaire de la plate-forme (11) et une partie mobile (10b) sur laquelle est fixée le système actif par l'intermédiaire des bras (1, 2).Turret according to one of claims 1 or 2, characterized in that it comprises a ring (10) fixed on the platform (11) and forming a pivot for a bearing pointing, crown comprising a fixed portion (10a) integral with the platform (11) and a moving part (10b) to which the active system is attached via the arms (1, 2). Tourelleau selon la revendication 3, caractérisé en ce qu'il comporte une motorisation (19) permettant de faire pivoter un des bras (1) par rapport à la couronne (10) commandant ainsi le passage du système actif d'une position escamotée ou déployée à l'autre position.Swivel according to claim 3, characterized in that it comprises a motor (19) for pivoting one of the arms (1) relative to the ring (10) thereby controlling the passage of the active system from a retracted or deployed position in the other position. Tourelleau selon une des revendications 3 ou 4, caractérisé en ce qu'il comporte un caisson (12), solidaire de la partie mobile de la couronne (10), caisson à l'intérieur duquel se loge le système actif (6) en position escamotée.Turret according to one of claims 3 or 4, characterized in that it comprises a box (12) integral with the movable part of the ring (10), box inside which is housed the active system (6) in position retracted. Tourelleau selon la revendication 5, caractérisé en ce que le caisson (12) présente un profil incliné par rapport au plan de pivotement de la couronne (10) et comporte ainsi une face arrière (12a) permettant d'accéder au système actif (6) lorsque ce dernier est en position escamotée.Turret according to claim 5, characterized in that the box (12) has a profile inclined relative to the pivot plane of the ring (10) and thus has a rear face (12a) for accessing the active system (6) when the latter is in the retracted position. Tourelleau selon la revendication 6, caractérisé en ce que le caisson (12) forme une enceinte fermée permettant d'assurer l'étanchéité entre l'extérieur et l'intérieur de la plate-forme (11), le caisson comportant un volet (7) permettant d'accéder au système actif (6) lorsque ce dernier est en position escamotée.Turret according to claim 6, characterized in that the box (12) forms a closed chamber for sealing between the outside and inside of the platform (11), the box having a flap (7) for accessing the active system (6) when the latter is in the retracted position. Tourelleau selon une des revendications 1 à 7, caractérisé en ce que le capot (9) est fixé au niveau d'une partie avant d'une face supérieure (6a) du système actif par au moins une articulation (21), un moyen ressort (23) étant prévu permettant de faire pivoter le capot (9) par rapport au système actif (6) de façon à dégager une face avant (6b) du système actif en position déployée.Turret according to one of claims 1 to 7, characterized in that the hood (9) is fixed at a front portion of an upper face (6a) of the active system by at least one hinge (21), a spring means (23) being provided for pivoting the cover (9) relative to the active system (6) so as to disengage a front face (6b) of the active system in the deployed position. Tourelleau selon la revendication 8, caractérisé en ce que le capot (9) porte au moins un joint d'étanchéité circulaire (17) destiné à être appliqué contre une face supérieure de la couronne (10) lorsque le système actif (6) est en position escamotée, le moyen ressort (23) permettant par ailleurs de maintenir l'appui du capot (9) contre la couronne (10) dans cette position escamotée.Cupola according to claim 8, characterized in that the cover (9) carries at least one circular seal (17) intended to be applied against an upper face of the crown (10) when the active system (6) is in position. retracted position, the spring means (23) further allowing to maintain the support of the cover (9) against the ring (10) in this retracted position. Tourelleau selon l'une des revendications précédentes, caractérisé en ce que le système actif (6) est orientable en site selon un angle compris entre -10° et 60°.Turret according to one of the preceding claims, characterized in that the active system (6) is orientable at an angle of between -10 ° and 60 °.
EP08291137A 2007-12-10 2008-12-03 Retractable turret Not-in-force EP2071268B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08291137T PL2071268T3 (en) 2007-12-10 2008-12-03 Retractable turret

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0708567A FR2924796A1 (en) 2007-12-10 2007-12-10 RETRACTABLE TURRET

Publications (2)

Publication Number Publication Date
EP2071268A1 true EP2071268A1 (en) 2009-06-17
EP2071268B1 EP2071268B1 (en) 2011-03-30

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Family Applications (1)

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EP08291137A Not-in-force EP2071268B1 (en) 2007-12-10 2008-12-03 Retractable turret

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EP (1) EP2071268B1 (en)
AT (1) ATE503979T1 (en)
DE (1) DE602008005829D1 (en)
FR (1) FR2924796A1 (en)
PL (1) PL2071268T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110455A1 (en) * 2011-05-25 2012-11-26 Oto Melara Spa TURRET ASSEMBLY AND WEAPON WITH LOW REFLECTION RADAR.
US9328986B1 (en) 2014-11-04 2016-05-03 Oshkosh Corporation Turret assembly
WO2017059133A1 (en) * 2015-09-29 2017-04-06 Frank Russell Camper shell turret system
EP3431916A1 (en) * 2017-07-19 2019-01-23 NEXTER Systems Military vehicle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013101635A1 (en) 2013-02-19 2014-08-21 Krauss-Maffei Wegmann Gmbh & Co. Kg weapon station
JP6480821B2 (en) 2015-07-10 2019-03-13 ファナック株式会社 Robot cover structure

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GB191314697A (en) * 1913-06-25 1914-01-22 Karl Voeller Improvements in Gun Carriages.
US2336557A (en) * 1942-07-30 1943-12-14 Glenn L Martin Co Flush gun turret
DE3410265A1 (en) * 1984-03-21 1985-09-26 Krauss-Maffei AG, 8000 München Vertically adjustable supporting mast for the weapon platform of an armoured vehicle
EP0368822A2 (en) * 1988-10-12 1990-05-16 Aktiebolaget Bofors Ammunition loading device for a gun in a tank

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Publication number Priority date Publication date Assignee Title
GB191314697A (en) * 1913-06-25 1914-01-22 Karl Voeller Improvements in Gun Carriages.
US2336557A (en) * 1942-07-30 1943-12-14 Glenn L Martin Co Flush gun turret
DE3410265A1 (en) * 1984-03-21 1985-09-26 Krauss-Maffei AG, 8000 München Vertically adjustable supporting mast for the weapon platform of an armoured vehicle
EP0368822A2 (en) * 1988-10-12 1990-05-16 Aktiebolaget Bofors Ammunition loading device for a gun in a tank

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110455A1 (en) * 2011-05-25 2012-11-26 Oto Melara Spa TURRET ASSEMBLY AND WEAPON WITH LOW REFLECTION RADAR.
WO2013050834A1 (en) * 2011-05-25 2013-04-11 Oto Melara S.P.A. Assembly of turret and low radar reflection weapon
US9080828B2 (en) 2011-05-25 2015-07-14 Oto Melara S.P.A. Assembly of turret and low radar reflection weapon
US9328986B1 (en) 2014-11-04 2016-05-03 Oshkosh Corporation Turret assembly
WO2017059133A1 (en) * 2015-09-29 2017-04-06 Frank Russell Camper shell turret system
US10184748B2 (en) 2015-09-29 2019-01-22 Russell Frank Camper shell turret system
EP3431916A1 (en) * 2017-07-19 2019-01-23 NEXTER Systems Military vehicle
FR3069313A1 (en) * 2017-07-19 2019-01-25 Nexter Systems MILITARY VEHICLE

Also Published As

Publication number Publication date
PL2071268T3 (en) 2011-09-30
FR2924796A1 (en) 2009-06-12
ATE503979T1 (en) 2011-04-15
DE602008005829D1 (en) 2011-05-12
EP2071268B1 (en) 2011-03-30

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