EP1395789A1 - Waffenrichtvorrichtung - Google Patents

Waffenrichtvorrichtung

Info

Publication number
EP1395789A1
EP1395789A1 EP02735504A EP02735504A EP1395789A1 EP 1395789 A1 EP1395789 A1 EP 1395789A1 EP 02735504 A EP02735504 A EP 02735504A EP 02735504 A EP02735504 A EP 02735504A EP 1395789 A1 EP1395789 A1 EP 1395789A1
Authority
EP
European Patent Office
Prior art keywords
weapon
rotation
flange
axis
frame
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
EP02735504A
Other languages
English (en)
French (fr)
Other versions
EP1395789B1 (de
Inventor
Emile Urvoy
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.)
Giat Industries SA
Original Assignee
Giat Industries 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 Giat Industries SA filed Critical Giat Industries SA
Publication of EP1395789A1 publication Critical patent/EP1395789A1/de
Application granted granted Critical
Publication of EP1395789B1 publication Critical patent/EP1395789B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F41A27/24—Elevating gear
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G5/00—Elevating or traversing control systems for guns
    • F41G5/14—Elevating or traversing control systems for guns for vehicle-borne guns
    • F41G5/24—Elevating or traversing control systems for guns for vehicle-borne guns for guns on tanks

Definitions

  • the technical sector of the present invention is that of the pointing systems of a weapon ensuring its stabilization.
  • a first method consists in measuring the disturbing angular speed, for example by means of a gyrometric type) and in using it to control the speed of rotation of the motorization system placed between the support and the weapon. It is therefore an anticipation command placed in parallel with a servo control of the position of the weapon on an inertial reference whose efficiency is low to attenuate the amplitude of the angular disturbances for medium frequencies.
  • a gyrometric type for example by means of a gyrometric type
  • Another method consists in providing a motorization making it possible to control the torque applied to the load. This principle is used to improve the efficiency of reducing the effects of angular velocity disturbances. This method is suitable for low offset values. Reference may be made, for example, to US Pat. No. 4,387,624. When the off-center between the axial position of the center of gravity and the articulation axis increases, the performances obtained deteriorate quickly by the combination of several mechanisms.
  • the mounting of this weapon means that the axis of orientation towards the rear must be moved back significantly the retracting mass, with the effect of greatly increasing the decentering with its effect on the precision of the orientation, in particular during rolling.
  • the object of the present invention is to provide a pointing system for a weapon mounted on a mobile carrier allowing a pre-stabilization motorization to separate the design requirements of the motorization caused by the decentralization of the weapon, from that which favors the quality of the orientation control.
  • the subject of the invention is therefore a point system for pointing a weapon, characterized in that it comprises a first means of positioning the weapon according to a large deflection in point relative to a first axis of rotation offset by relative to the center of gravity of the weapon and a second means of positioning the weapon connected to the first means according to a small deflection in elevation with respect to a second axis of rotation passing through the center of gravity of the weapon.
  • the first axis of rotation is located behind the center of gravity of the weapon.
  • the first positioning means is articulated relative to a frame on which the weapon is mounted around the first axis of rotation.
  • the first positioning means comprises a flange supporting the weapon and connected to the frame and a rotation means, the first axis of rotation being disposed between said flange and the frame.
  • the rotation means ensures the rotation of the flange relative to the frame.
  • the weapon is mounted rotatable relative to the flange, the second positioning means ensuring the rotation of the weapon relative to the flange around the second axis.
  • the means of rotation consists of a jack.
  • the second positioning means comprises a motor or a gear motor integral with the flange along the second axis of rotation.
  • the second positioning means comprises a jack integral with the flange and the rod of which is connected to the weapon.
  • the second positioning means comprises a jack secured to the flange and the rod of which is connected to the frame.
  • the second positioning means comprises a deformable parallelogram connecting the flange to the frame and an actuator secured to a branch of the parallelogram engaged on the second axis of rotation.
  • Another advantage lies in the reduction of parasitic couples between the weapon and the flange.
  • FIG. 2 is a section of the weapon in front view passing through the axes of rotation
  • FIG. 3 is a general view of a weapon and its mounting flange on the frame
  • - Figure 4 is another section of the weapon in front view
  • - Figure 5 shows the position of the axes of rotation of the weapon in a parallelogram.
  • the invention consists in providing two motorizations of the weapon relative to its support.
  • a first motorization or main motorization, makes it possible to orient the weapon in site roughly. This motorization makes it possible to position the weapon without any constraint.
  • a second motorization makes it possible to finely orient the weapon by resting on the main motorization.
  • the advantage of such a system lies in the fact that the clearance between the weapon and the flange is limited to stabilization errors, which results in a very simple embodiment.
  • the dimensioning of the second motorization being linked only to the inertia of the weapon to be aimed, an efficient torque control is carried out without specific constraints.
  • the weapon 1 to orient in a site made integral with a flange 2 itself rotatably mounted relative to a support 5, for example a turret, by means of pins 6 and bearings 7
  • the flange 2 is in the form of a cage in which the rear part of the weapon is engaged.
  • the weapon 1 is itself mounted movable relative to the flange 2 by means of pins 8 connected to an actuator 4 by means of a shaft 9 and by bearings 10.
  • the pins 6 and the bearings 7 define the axis Al around which the main motorization is made according to a large clearance and the rotation of the flange 2, therefore of the weapon, relative to the support 5.
  • the pins 8 and the bearings 10 define the axis A2 around which is made the secondary engine following a small clearance and the rotation of the weapon relative to the flange.
  • the actuator 4 is a motor secured to the flange.
  • the flange 2 and the pins 6 around which the weapon is articulated with respect to the frame 11 have been shown diagrammatically.
  • the rotation of the flange 2 is obtained by means of rotation 3 constituted by a jack, the rod 12 of which is secured to the flange 2 by means of an axis 13 and the body of the frame 11.
  • the weapon 1 is itself rotatably mounted relative to the flange 2 at a low amplitude to ensure its fine orientation.
  • This rotation is performed here using a jack 14 whose body is secured to the flange 2 and the shaft of the weapon.
  • This jack 14 prints a movement of the weapon around the pins 8 relative to its supporting structure, that is to say the flange.
  • This amplitude may cover a range of the order '1.
  • FIG 3 there is shown a view of a weapon 1 provided with the flange 2 surrounding the entire rear part of this weapon.
  • This flange has an interface 15 for connection with the frame 11, a passage opening 16 for receiving the bearings 10 (not shown) receiving the pins 8.
  • the flange is provided with a bellows 17 to close the space between the barrel of the weapon and this flange.
  • a compact assembly is thus obtained ready to be mounted on a frame in an armored vehicle turret, for example a tracked vehicle.
  • the pointing system allows: - a first orientation to authorize the deflection of the weapon on site and to respect the general functional and geometric constraints.
  • a conventional sealing system is provided for level of this articulation represented simply by a bearing 7,
  • the system according to the invention is integrated into a complex assembly making it possible to orient the weapon according to firing coordinates, to determine its position and its deviations from a set point, to measure the pointing variations during taxiing and correct any deviations measured.
  • the second articulation is integral with the movable flange under the action of the first means, it is therefore this first motorization and the control of the axis Al which will also withstand the disturbances caused by friction on the joints of tightness as vertical linear accelerations.
  • the seal to be put in place at the bellows 17 therefore has a relatively small dimension and the limited clearance does not require the installation of a friction system but quite simply an elastic bellows system.
  • the bearings of this joint are also limited in size insofar as they do not have to integrate heavy functional constraints
  • the movement of the weapon 1 relative to the flange 2 is subject to two constraints: - the movement must make it possible to absorb the stabilization errors of the first axis A1,
  • the travel must be limited by the off-center between the axis of the weapon and the main pins 7.
  • the force of retreat of the weapon results on the one hand, by a disturbing torque which must be supported by the main motorization and on the other hand, by the radial acceleration induced by the flange on the center of gravity of the weapon with its effect on the shooting in progress and / or on the subsequent shots (for a cadence firearm).
  • an actuator 4 is provided for ensuring the small amplitude deflections of the weapon relative to the flange 2.
  • This actuator can in fact be an electric geared motor whose bandwidth force servo is sufficient and of sufficiently low stiffness. It is also possible to envisage a hydraulic motorization constituted by a hydraulic cylinder with small clearance. To impose a minimum of elasticity on the oil, one can artificially increase the dead volume of each of the two chambers of the jack by small purged accumulators.
  • the motorization with pressure control is used to control the absolute speed of the weapon, speed obtained directly by a gyrometer or from a gyroscope mounted on the flange 2, with derivation of the sum the gyroscopic distance and the relative position between the flange 2 and the weapon 1.
  • FIG. 4 there is shown a secondary motorization constituted by a cylinder 18 whose body is secured to the frame 11 using a pin 19 and whose rod is secured to the weapon.
  • This articulated jack absorbs the relative displacements between the weapon and the frame and ensures the fine motorization of the weapon.
  • FIG. 5 there is shown a secondary motorization constituted by a deformable parallelogram 20 whose arm 21 connects the pins 7 and 8 and the arm 22 the pin 7 and the frame 5.
  • This parallelogram is completed by a fourth point 24 at which the arms 23 and 25 are connected.
  • a geared motor 26 secured to the journal 8 enables the weapon to be rotated relative to the flange 2 by bearing on the frame via the arm 25.
  • any secondary motor capable of applying a torque to the cradle of the weapon with sufficient bandwidth may be used.
  • a set of sensors is used: at least one angular sensor of the flange 2 relative to the orientation of the turret.
  • At least one relative angular position sensor between the cradle and the flange At least one relative angular position sensor between the cradle and the flange.
  • At least one gyroscopic type sensor to provide the orientation of the flange and an inertial reference allowing for example to materialize the line of sight. A derivation of this information will provide the speed of the flange by adding it to the gyroscope precession command.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Manipulator (AREA)
  • Control Of Position Or Direction (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Gyroscopes (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
EP02735504A 2001-05-17 2002-04-26 Waffenrichtvorrichtung Expired - Lifetime EP1395789B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0106494 2001-05-17
FR0106494A FR2824896B1 (fr) 2001-05-17 2001-05-17 Systeme de pointage d'une arme
PCT/FR2002/001452 WO2002093101A1 (fr) 2001-05-17 2002-04-26 Système de pointage d"une arme

Publications (2)

Publication Number Publication Date
EP1395789A1 true EP1395789A1 (de) 2004-03-10
EP1395789B1 EP1395789B1 (de) 2006-02-08

Family

ID=8863379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02735504A Expired - Lifetime EP1395789B1 (de) 2001-05-17 2002-04-26 Waffenrichtvorrichtung

Country Status (9)

Country Link
US (1) US6935218B2 (de)
EP (1) EP1395789B1 (de)
AT (1) ATE317538T1 (de)
DE (1) DE60209120T2 (de)
ES (1) ES2256484T3 (de)
FR (1) FR2824896B1 (de)
IL (2) IL158894A0 (de)
WO (1) WO2002093101A1 (de)
ZA (1) ZA200300405B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10041176B2 (en) * 2005-04-07 2018-08-07 Momentive Performance Materials Inc. No-rinse pretreatment methods and compositions
DE102005059225B4 (de) * 2005-12-12 2013-09-12 Moog Gmbh Waffe mit einem Waffenrohr, das außerhalb des Schwerpunkts auf einer bewegbaren Unterlage drehbar gelagert ist
FR2911174B1 (fr) 2007-01-10 2009-04-10 Nexter Systems Sa Dispositif de positionnement angulaire d'un organe pivotant
DE102008010873A1 (de) * 2008-02-23 2009-08-27 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Luftleiteinrichtung
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
DE102015118337B4 (de) 2015-10-27 2022-07-21 Krauss-Maffei Wegmann Gmbh & Co. Kg Waffe sowie Messanordnung zum Ermitteln von Abschussreaktionskräften
FR3088419B1 (fr) * 2018-11-08 2022-04-01 Nexter Systems Montage d'arme et tourelle comportant un tel montage
FR3138690A1 (fr) * 2022-08-03 2024-02-09 Nexter Systems Montage d’arme et tourelle comportant un tel montage d’arme

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
US946402A (en) * 1906-08-16 1910-01-11 Charles Prosper Eugene Schneider Sighting apparatus for guns.
US1353499A (en) * 1919-01-29 1920-09-21 Internat Torpedo Boat Corp Gun-mount for boats
US2712271A (en) * 1949-05-07 1955-07-05 Richard E Wabnitz Adjustable support apparatus
US2762265A (en) * 1949-07-28 1956-09-11 Brev Aero Mechaniques S A Soc Gun mountings carried by movable supports
SE340062B (de) * 1970-02-13 1971-11-01 Bofors Ab
FR2421362A1 (fr) * 1978-03-31 1979-10-26 Thomson Brandt Tourelle de tir et vehicule equipe d'une telle tourelle
SE434190B (sv) * 1979-10-02 1984-07-09 Bofors Ab Anordning for att hoja foljenoggrannheten hos ett riktsystem till en pjes
US4326446A (en) * 1979-11-19 1982-04-27 The United States Of America As Represented By The Secretary Of The Army Linkage of actuating system for elevating gun mount
DE3241665A1 (de) * 1982-11-11 1984-05-17 Fried. Krupp Gmbh, 4300 Essen Panzerturm
US4599933A (en) * 1983-12-08 1986-07-15 Ares, Inc. Breech/receiver assembly for automatic cannon
DE3439082A1 (de) * 1984-10-25 1986-04-30 Wegmann & Co GmbH, 3500 Kassel Einrichtung zur durchfuehrung dynamischer vergleichsmessungen an feuerleitsystemen fuer gerichtete waffen
US4953443A (en) * 1986-11-03 1990-09-04 Contraves Ag Device for the alignment of an aiming axis body at a target position
DE3829860A1 (de) * 1988-09-02 1990-03-08 Wegmann & Co Unbalance-ausgleichsvorrichtung fuer eine waffenanlage, insbesondere bei einer schweren waffe
GB8829192D0 (en) * 1988-12-14 1998-03-18 Vickers Shipbuilding & Eng Improvements in or relating to field howitzers
DE3908346A1 (de) * 1989-03-15 1990-09-20 Wegmann & Co Elevationslagerung fuer eine in einem panzerturm angeordnete grosskalibrige rohrwaffe
FR2737290B1 (fr) * 1995-07-27 1997-10-10 Giat Ind Sa Systeme de pointage d'une arme a feu montee sur un engin blinde par exemple
CA2245406C (en) * 1998-08-24 2006-12-05 James Hugh Lougheed Aiming system for weapon capable of superelevation
US6460447B1 (en) * 1999-02-09 2002-10-08 Brad E. Meyers Weapon aiming
FR2827668B1 (fr) * 2001-07-17 2003-10-03 Giat Ind Sa Systeme de pointage en site et en gisement d'une arme
FR2827667B1 (fr) * 2001-07-17 2003-10-03 Giat Ind Sa Systeme de pointage en gisement d'une arme

Non-Patent Citations (1)

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Title
See references of WO02093101A1 *

Also Published As

Publication number Publication date
ATE317538T1 (de) 2006-02-15
WO2002093101A1 (fr) 2002-11-21
US6935218B2 (en) 2005-08-30
FR2824896A1 (fr) 2002-11-22
FR2824896B1 (fr) 2003-08-15
DE60209120T2 (de) 2006-08-03
EP1395789B1 (de) 2006-02-08
IL158894A0 (en) 2004-05-12
ES2256484T3 (es) 2006-07-16
IL158894A (en) 2009-06-15
DE60209120D1 (de) 2006-04-20
ZA200300405B (en) 2004-05-05
US20040134339A1 (en) 2004-07-15

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