WO2003062732A1 - Tourelle pour vehicule militaire - Google Patents
Tourelle pour vehicule militaire Download PDFInfo
- Publication number
- WO2003062732A1 WO2003062732A1 PCT/FR2003/000214 FR0300214W WO03062732A1 WO 2003062732 A1 WO2003062732 A1 WO 2003062732A1 FR 0300214 W FR0300214 W FR 0300214W WO 03062732 A1 WO03062732 A1 WO 03062732A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- turret
- military vehicle
- vehicle according
- box
- interface
- Prior art date
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
- F41A27/00—Gun mountings permitting traversing or elevating movement, e.g. gun carriages
- F41A27/06—Mechanical systems
- F41A27/08—Bearings, e.g. trunnions; Brakes or blocking arrangements
- F41A27/10—Bearings for supporting a pivoting gun in a wall, e.g. a turret wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H7/00—Armoured or armed vehicles
- F41H7/02—Land vehicles with enclosing armour, e.g. tanks
- F41H7/03—Air-pressurised compartments for crew; Means for preventing admission of noxious substances, e.g. combustion gas from gun barrels, in crew compartments; Sealing arrangements
Definitions
- the technical sector of the present invention is that of turrets intended for military vehicles and supporting an oscillating mass incorporating a gun.
- the mounting of an oscillating mass on a turret generally allows the movement of this oscillating mass according to a rotation about a fixed axis relative to the turret, commonly called elevation rotation.
- the turret is itself mobile in rotation relative to the vehicle, commonly called rotation in deposit. This last rotation does not generally pose any particular problems.
- the rotation in elevation poses problems difficult to solve for deflections of the barrel of the weapon of the order of 100 ° relative to the turret.
- the oscillating mass is controlled and supplied from the turret, which requires establishing communication to ensure these functions while avoiding the propagation of gaseous combustion residues from the barrel to the turret.
- the oscillating mass is placed in communication with the external medium in order to evacuate the combustion gases and the sockets or bases and it is also necessary here to ensure the sealing of the oscillating mass with respect to the external medium.
- a turret has already been proposed in which the latter is isolated from the external environment by interposing sealing means between this turret and the oscillating mass.
- a gasket is mounted on the turret circulating around the window necessary for the planned movement of the oscillating weight.
- the contact of the lip of the seal on a cylindrical surface centered on the axis of rotation of the oscillating mass and linked to the oscillating mass makes it possible to ensure this seal.
- this solution requires a radius for the cylindrical surface the greater the greater the travel of the oscillating mass.
- the height of the turret presents a handicap for its size, for its discretion or even for the mass of the assembly.
- this seal produces, by its friction, a disturbance by a resistance to rotation of the oscillating mass.
- This disturbance is undesirable since it is equivalent to dry friction which disturbs the precise pointing of the oscillating mass on a target using a setpoint sent by servo controls to the means for positioning said mass on site.
- the object of the present invention is to design a new organization of the structure of a turret carrying an oscillating mass making it possible to ensure a large clearance of the oscillating mass and an insulation with respect to the external environment and this, whatever the angular position of the oscillating weight.
- the subject of the invention is therefore a turret for a mobile military vehicle lying in relation to said vehicle and supporting an oscillating mass comprising in particular a barrel oriented in elevation, characterized in that the oscillating mass is mounted in the turret using a connection interface ensuring the tightness of said mass with respect to the environment external to the turret, said interface ensuring site mobility of the barrel.
- the interface consists of a closed box inside which the weapon is able to slide during the firing of the ammunition, said box being mounted movable in elevation in said turret.
- the box is secured to the turret by means of a right journal and a left journal.
- the right trunnion is hollow to put the interior of the box into communication with the interior of the turret.
- the left pin communicates with the outside via a calibrated sealing member.
- the box is provided with a non-return valve for communication with the outside allowing the pressure prevailing inside it to be adjusted.
- the pins have an internal diameter sufficient to ensure the passage of the ammunition casings and their evacuation towards the outside of the turret.
- the evacuation of the sockets is carried out through the sealing member.
- the turret may comprise means for receiving the sockets fixed to the sealing member.
- the turret is equipped with a means of suction and filtration of the outside air to ensure an overpressure inside the turret.
- the box is articulated by means of bearings mounted on the trunnions.
- the turret may include a means for storing the sockets integral with the sealing member.
- the turret is equipped with a medium-caliber cannon, for example a 40 mm cannon.
- a very first advantage of the turret according to the invention lies in the simple design of the oscillating mass integrated in the turret to ensure a large clearance.
- Another advantage lies in the easier integration of the means of sealing the oscillating mass. Another advantage lies in the fact that the sealing of the turret is ensured by the oscillating mass.
- Yet another advantage is that the dry friction is reduced, which reduces the pointing disturbances of the oscillating mass.
- Yet another advantage of the invention resides in the fact that the rigidity of the closed box contributes to placing the first modes of the excitation frequency of the box at a higher value given by the movements of the oscillating mass controlled by the actuator.
- FIG. 1 is a general view of the turret
- FIG. 2 is a vertical section of the turret passing through the axis of the barrel
- FIG. 3 is a section AA of Figure 2
- FIG. 4 shows the movement of the oscillating mass relative to the turret
- FIG. 5 illustrates the circulation of air in the turret
- FIGS. 6 and 7 show the expulsion of an empty socket towards the outside
- FIG. 8 is a section showing the pins.
- a turret 1 intended to equip a military vehicle not shown and supporting an oscillating mass 2 enclosed in a box 3 of which only the barrel 4 is visible.
- the turret 1 has a base 5 allowing it to be rotatably connected relative to the vehicle on which it will be mounted.
- the turret 1 comprises an actuating means 6 making it possible to pivot the oscillating mass 2 in elevation around the pins .7 / of which only the left pin is visible by considering the plane of the figure.
- the vertical section shows the integration of the oscillating mass 2, extended by the barrel 4, in the casing 3. It can be seen that the oscillating mass 2 is mounted in the turret 1 using the interface of connection made up of the box 3. At the level of the barrel 4, the oscillating mass is provided with a seal 8 ensuring sealing.
- the barrel 4 slides with respect to the mass oscillating 2 at each shot in the box 3 using a positioning mechanism 9, namely 9a, 9b, 9c.
- the rear part 10 of the box 3 has a shape concordance with the corresponding lower part 11 of the turret 1. This embodiment makes it possible to ensure the desired movement of the oscillating mass without penalizing the available space of the turret.
- the weapon represented by its barrel 4 is able to slide during the firing of the ammunition and the box 3 is itself mounted movable in elevation in said turret.
- FIG. 3 which is a section AA of FIG. 2, it can be seen that the box 3 is equipped with pins 12 on either side making it possible to fix it in the turret 1 and to ensure its rotation in elevation at l using means 6 in known manner.
- the means 6 consists for example of a motor secured to the turret and the output pinion of which meshes on a wheel secured to the oscillating mass.
- the turret comprises a block 13 for storing and transferring ammunition to the weapon 2.
- the interior of the casing 3 communicates by the pins 12 with the interior I of the turret 1.
- These pins 12 are constituted by a large diameter hole extended by an outer ring on which the hinge bearing of the box relative to the turret is mounted. This articulation is sealed relative to the environment external to the turret in a known manner, for example using a lip seal, said interface thus ensuring mobility in the barrel's location.
- FIG 4 there are shown the two extreme positions of the casing 3 relative to the turret 1, positions which are obtained using the actuating means 6.
- the angle ⁇ defines the angle of movement of the barrel 4 between a 4 'high position and a 4''low position.
- the angle of travel between positions 4 'and 4'' is around 100 °.
- the rear part 10 of the box 3 fits the complementary shape 11 opposite the turret.
- the turret according to the invention makes it possible both to ensure watertightness with respect to the outside and a large displacement of the barrel without disturbing the operation of the weapon while offering a simple architecture.
- FIG 5 there is shown the principle of air circulation in the turret 1 and the interface 2 and more precisely of the box 3.
- the box 3 is provided with a non-return valve 40 for communication with the exterior allowing adjustment of the pressure prevailing inside thereof.
- the turret 1 is equipped with a means 14 for suction and filtration of the outside air. This air intake is provided to overpress the turret 1 relative to the outside environment and evacuate the stale air to the outside. The overpressure is around 10% more than the outside pressure.
- the air circuit is carried out as follows and is shown diagrammatically by arrows 16-24.
- the turret 1 also makes it possible to ensure the evacuation of empty casings or of ammunition pellets after firing.
- This evacuation is carried out through the pins 12 which have a large diameter, that is to say a diameter sufficient to pass a munition of medium caliber, for example 40 mm.
- the bushing at its outlet from the oscillating mass is supported by a mechanism not shown, a pusher for example, which from the block 13 causes it to pass through the other journal until it comes out completely.
- Figures 6 and 7 show the two main stages of this phase. Since the pins 12 are hollow to communicate the interior of the box and the interior of the turret 1, it is easy to interpose a sealing member 24 calibrated to communicate the turret 1 with the outside environment.
- the member 24 may for example be a diaphragm, the lips of which remain closed between the passage of two consecutive sockets as shown in FIG. 6. The opening of these lips is controlled during the passage of the socket 25 as shown in FIG. 7 During its advance generated by the pusher, the bushing causes the opening of the means 24. Since the interior of the turret is under overpressure, a leak at the level of the member 24 does not pose any problem. There is therefore an air leak but the stale outside air cannot penetrate inside the turret. In Figure 7, there is shown the expulsion position of the sleeve 25 which partially passed through the sealing member 24. At the end of its stroke, the empty socket falls, for example, into a recovery bag to be evacuated later.
- FIG 8 there is shown the detail of the connection between the pin and the turret for ensuring the rotation of the interface 2 relative to the turret 1.
- a left bearing 30 and a right bearing 31 with reference to the plane of the figure.
- the outer cage 33 of the left bearing 30 is secured to the turret while the inner cage 32 is secured to the interface 2.
- the outer cage 33 does not have any particularities while the inner cage 32 supports a connection mechanism 34 of the 'interface.
- This mechanism 34 comprises in particular a cylindrical tube 35 whose internal diameter is provided to allow the passage of the empty socket.
- the external cage 36 of the right bearing 31 does not have any particularity and the internal cage 37 has an internal diameter sufficient to ensure the passage of the ammunition from the turret 1 towards the interface 2. This internal diameter may be greater than that of the cylindrical tube as shown in the figure to facilitate this introduction.
- a pusher shown in the form of arrow 38 makes it possible to supply the interface 2 with ammunition.
- the empty sockets that come out on the left side can be accumulated in a bag 39 attached to the end of the tube 35.
- sealing means are provided at the left bearing 30. These means being conventional need not be explained.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Vibration Dampers (AREA)
- Mechanical Operated Clutches (AREA)
- Stored Programmes (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IL16291803A IL162918A0 (en) | 2002-01-22 | 2003-01-22 | Turret for military vehicle |
EP03731737A EP1468240B1 (fr) | 2002-01-22 | 2003-01-22 | Tourelle pour vehicule militaire |
AT03731737T ATE463712T1 (de) | 2002-01-22 | 2003-01-22 | Turm für ein militärfahrzeug |
DE60332000T DE60332000D1 (de) | 2002-01-22 | 2003-01-22 | Turm für ein militärfahrzeug |
US10/501,408 US7021189B2 (en) | 2002-01-22 | 2003-01-22 | Turret for a military vehicle |
IL162918A IL162918A (en) | 2002-01-22 | 2004-07-08 | Turret for military vehicle |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0200731A FR2835048B1 (fr) | 2002-01-22 | 2002-01-22 | Tourelle pour vehicule militaire |
FR02.00731 | 2002-01-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003062732A1 true WO2003062732A1 (fr) | 2003-07-31 |
Family
ID=27589542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2003/000214 WO2003062732A1 (fr) | 2002-01-22 | 2003-01-22 | Tourelle pour vehicule militaire |
Country Status (7)
Country | Link |
---|---|
US (1) | US7021189B2 (fr) |
EP (1) | EP1468240B1 (fr) |
AT (1) | ATE463712T1 (fr) |
DE (1) | DE60332000D1 (fr) |
FR (1) | FR2835048B1 (fr) |
IL (2) | IL162918A0 (fr) |
WO (1) | WO2003062732A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015082802A1 (fr) * | 2013-12-05 | 2015-06-11 | Nexter Systems | Dispositif de distribution d'air de climatisation pour une tourelle d'un véhicule et véhicule comportant un tel dispositif |
FR3056738A1 (fr) * | 2016-09-23 | 2018-03-30 | Nexter Systems | Tourelle pour vehicule blinde |
FR3072906A1 (fr) * | 2017-11-02 | 2019-05-03 | Nexter Systems | Distributeur d'air et tourelle equipee d'un tel distributeur d'air |
EP3469299B1 (fr) | 2016-06-10 | 2020-05-27 | CMI Defence S.A. | Tourelle modulaire |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009020161A1 (de) * | 2009-05-04 | 2010-11-11 | Esw Gmbh | Aufsatzeinrichtung für Fahrzeuge |
DE202009007415U1 (de) | 2009-05-25 | 2010-08-26 | Rheinmetall Waffe Munition Gmbh | Modularer Waffenträger |
DE102010031898A1 (de) | 2010-07-21 | 2012-01-26 | Rheinmetall Air Defence Ag | Fernsteuerbares Geschütz |
US8930066B2 (en) * | 2011-01-21 | 2015-01-06 | Control Solutions LLC | Customizable control apparatus and method for a vehicle turret |
US8607686B2 (en) | 2011-01-21 | 2013-12-17 | Control Solutions LLC | Controlled vehicle turret apparatus and method |
US8428827B2 (en) | 2011-01-21 | 2013-04-23 | Control Solutions LLC | Apparatus and method for controlling rotational movement of a vehicle turret |
US8640596B1 (en) * | 2011-09-07 | 2014-02-04 | The United States Of America As Represented By The Secretary Of The Navy | Gas extraction system retrofit kit for gun weapon system |
FR2991763B1 (fr) * | 2012-06-07 | 2014-06-20 | Panhard General Defense | Plateau tournant motorise pour elements additionnels de tourelle. |
USD753543S1 (en) | 2013-06-14 | 2016-04-12 | Wargaming.Net Llp | Armored vehicle |
USD736793S1 (en) * | 2013-08-26 | 2015-08-18 | Wargaming.Net Llp | Display device portion with a graphical user interface showing an armored vehicle |
USD742393S1 (en) * | 2013-08-26 | 2015-11-03 | Wargaming.Net Llp | Display device portion with a graphical user interface showing an armored vehicle |
USD742895S1 (en) * | 2013-08-26 | 2015-11-10 | Wargaming.Net Llp | Display device portion with a graphical user interface showing an armored vehicle |
USD741346S1 (en) * | 2013-10-17 | 2015-10-20 | Wargaming.Net Llp | Display device portion with a graphical user interface showing an armored vehicle |
USD736799S1 (en) * | 2013-10-18 | 2015-08-18 | Wargaming.Net Llp | Display device portion with a graphical user interface showing an armored vehicle |
FR3022020A1 (fr) | 2014-06-10 | 2015-12-11 | Nexter Systems | Dispositif d'extraction de douille |
US9328986B1 (en) | 2014-11-04 | 2016-05-03 | Oshkosh Corporation | Turret assembly |
US9194664B1 (en) * | 2015-02-19 | 2015-11-24 | The United States Of America As Represented By The Secretary Of The Army | Main gun shield for battle tank |
FR3062474B1 (fr) | 2017-02-02 | 2019-03-15 | Nexter Systems | Opercule pour conduit d'ejection de douilles et tourelle comportant un conduit d'ejection de douilles obture par un tel opercule |
USD900677S1 (en) * | 2018-04-17 | 2020-11-03 | Fnss Savunma Sistemleri A.S. | Turret |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US1578310A (en) * | 1925-12-08 | 1926-03-30 | Jr Levin H Campbell | Vehicle of the type known as alpha tank |
GB1019430A (en) * | 1964-01-14 | 1966-02-09 | Keller & Knappich Gmbh | Gun mounting |
US3854377A (en) * | 1972-05-20 | 1974-12-17 | Keller & Knappich Augsburg | Tank turret for automatic weapons |
US4088058A (en) * | 1975-11-14 | 1978-05-09 | Wegmann & Co. | System for the temporary sealing of the interior of armored vehicles, especially tanks, against the penetration of liquid or gaseous substances |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2357209A (en) * | 1939-01-04 | 1944-08-29 | Lanciani Ettore | Armed rotating turret for aircraft |
LU47304A1 (fr) * | 1964-11-07 | 1966-05-09 | ||
US3710681A (en) * | 1970-03-30 | 1973-01-16 | Efmc Corp | Gun mount closure or seal |
SE432669B (sv) * | 1979-10-02 | 1984-04-09 | Bofors Ab | Anordning for tetning av eldrorsoppningen i en vapenkupol |
DE3325924A1 (de) * | 1983-07-19 | 1985-01-31 | Rheinmetall GmbH, 4000 Düsseldorf | Blendenlafettierung wenigstens einer automatischen rohrwaffe in beengter einbaulage |
US4777864A (en) * | 1984-05-10 | 1988-10-18 | Ares, Inc. | Electronically controlled, externally powered, automatic gun |
US4635529A (en) * | 1984-12-21 | 1987-01-13 | General Electric Company | Seal assembly |
US4840108A (en) * | 1987-05-08 | 1989-06-20 | Werkzeugmaschinenfabrick Oerlikon-Buhrle Ag | Apparatus for the infeed of ammunition from an ammunition container to an automatic firing weapon |
DE4206218C1 (de) * | 1992-02-28 | 1998-10-01 | Rheinmetall Ind Ag | Panzerturm |
US6250197B1 (en) * | 1999-02-16 | 2001-06-26 | Paul H. Sanderson | Sponson tow-plate-mounted helicopter armament apparatus and associated methods |
-
2002
- 2002-01-22 FR FR0200731A patent/FR2835048B1/fr not_active Expired - Fee Related
-
2003
- 2003-01-22 DE DE60332000T patent/DE60332000D1/de not_active Expired - Lifetime
- 2003-01-22 WO PCT/FR2003/000214 patent/WO2003062732A1/fr not_active Application Discontinuation
- 2003-01-22 AT AT03731737T patent/ATE463712T1/de not_active IP Right Cessation
- 2003-01-22 IL IL16291803A patent/IL162918A0/xx unknown
- 2003-01-22 US US10/501,408 patent/US7021189B2/en not_active Expired - Lifetime
- 2003-01-22 EP EP03731737A patent/EP1468240B1/fr not_active Expired - Lifetime
-
2004
- 2004-07-08 IL IL162918A patent/IL162918A/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1578310A (en) * | 1925-12-08 | 1926-03-30 | Jr Levin H Campbell | Vehicle of the type known as alpha tank |
GB1019430A (en) * | 1964-01-14 | 1966-02-09 | Keller & Knappich Gmbh | Gun mounting |
US3854377A (en) * | 1972-05-20 | 1974-12-17 | Keller & Knappich Augsburg | Tank turret for automatic weapons |
US4088058A (en) * | 1975-11-14 | 1978-05-09 | Wegmann & Co. | System for the temporary sealing of the interior of armored vehicles, especially tanks, against the penetration of liquid or gaseous substances |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015082802A1 (fr) * | 2013-12-05 | 2015-06-11 | Nexter Systems | Dispositif de distribution d'air de climatisation pour une tourelle d'un véhicule et véhicule comportant un tel dispositif |
FR3014372A1 (fr) * | 2013-12-05 | 2015-06-12 | Nexter Systems | Dispositif de distribution d'air de climatisation pour une tourelle d'un vehicule et vehicule comportant un tel dispositif |
US10343482B2 (en) | 2013-12-05 | 2019-07-09 | Nexter Systems | Air-conditioning air distribution device for a vehicle turret and vehicle comprising such a device |
EP3469299B1 (fr) | 2016-06-10 | 2020-05-27 | CMI Defence S.A. | Tourelle modulaire |
FR3056738A1 (fr) * | 2016-09-23 | 2018-03-30 | Nexter Systems | Tourelle pour vehicule blinde |
FR3072906A1 (fr) * | 2017-11-02 | 2019-05-03 | Nexter Systems | Distributeur d'air et tourelle equipee d'un tel distributeur d'air |
Also Published As
Publication number | Publication date |
---|---|
ATE463712T1 (de) | 2010-04-15 |
FR2835048B1 (fr) | 2006-06-16 |
DE60332000D1 (de) | 2010-05-20 |
US7021189B2 (en) | 2006-04-04 |
EP1468240B1 (fr) | 2010-04-07 |
US20050115396A1 (en) | 2005-06-02 |
IL162918A (en) | 2010-12-30 |
EP1468240A1 (fr) | 2004-10-20 |
FR2835048A1 (fr) | 2003-07-25 |
IL162918A0 (en) | 2005-11-20 |
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