EP0702202A1 - Vorrichtung zur Regelung des Balanciersystems eines Artilleriegeschützes in Abhängigkeit von der Aussentemperatur - Google Patents

Vorrichtung zur Regelung des Balanciersystems eines Artilleriegeschützes in Abhängigkeit von der Aussentemperatur Download PDF

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Publication number
EP0702202A1
EP0702202A1 EP95401972A EP95401972A EP0702202A1 EP 0702202 A1 EP0702202 A1 EP 0702202A1 EP 95401972 A EP95401972 A EP 95401972A EP 95401972 A EP95401972 A EP 95401972A EP 0702202 A1 EP0702202 A1 EP 0702202A1
Authority
EP
European Patent Office
Prior art keywords
gas
chamber
piston
mass
slide
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.)
Ceased
Application number
EP95401972A
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English (en)
French (fr)
Inventor
Fabienne Mandereau
Arnault Beauvais
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 EP0702202A1 publication Critical patent/EP0702202A1/de
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • 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 present invention relates to a device for adjusting as a function of the outside temperature of a balancing system for an artillery piece.
  • This system connects the mount of the artillery piece and the pivotally mounted mass (which notably includes the muzzle of fire of the piece) on this mount.
  • This system includes a gas chamber, the pressure of which exerts a force opposite to the force exerted by the above pivoting mass.
  • the balancing is carried out using a nitrogen chamber.
  • the calculations are made by studying the moment generated by the balancer (i.e. studying the variation of the force and the length of the lever arm).
  • the balancing curve is readjusted on the pointing curve, depending on the outside temperature, by means of a pump to modify the initial pressure and by varying the length of the lever arm to change the balancing moment for all pointing angles.
  • the balancing pressure is fixed as a function of the outside temperature thanks to a regulation valve, a gas tank and a pressure sensor.
  • the object of the present invention is to provide an adjustment device using only mechanical adjustment means in order to ensure the most rigorous balancing possible as a function of the outside temperature, this balancing acting on the pointing force and not on the moment, and the adjustment being possible at any angle of aiming in height of the artillery piece.
  • the invention thus relates to a device for adjusting as a function of the outside temperature of a balancing system for an artillery piece, this system connecting the mounting of the artillery piece and the mass pivotally mounted on this carriage and includes a gas chamber, the pressure of which exerts a force opposite to the force exerted by said mass.
  • this device is characterized in that the gas chamber cooperates with a piston movable relative to the latter during the angular displacement of the pivoting mass relative to the mount, so that the pressure of the gas in said chamber varies as a function of the above angular displacement, in that the volume of the gas contained in the chamber is calculated so that at a given temperature, the pressure of the gas exerts a force which is opposite and substantially equal to the force exerted by the pivoting mass and in that the system further comprises a first mechanical means for modifying the pressure of the gas in the chamber for other temperatures and a second mechanical means for modifying the speed of variation of the volume of the gas during the angular displacement of the pivoting mass.
  • said piston is connected to the carriage by a rod articulated to the latter, this piston being slidably mounted in a cylinder constituting said gas chamber, this cylinder being connected in an articulated manner to the pivoting mass.
  • This piston slides in the cylinder during modifications of the aiming angle in height of the artillery piece, which makes it possible to modify the pressure of the gas in the chamber and therefore to balance the forces, at a given temperature, for any pointing angle in height.
  • said first mechanical means for modifying the pressure of the gas in the chamber comprises a second piston mounted to slide in the cylinder opposite the first piston, this second piston being connected to means allowing the latter to move by compared to the first piston during the angular displacement of the pivoting mass to modify the volume of the gas.
  • This second piston makes it possible to modify the volume of the gas in the chamber, to take temperature variations into account.
  • said second mechanical means comprises means making it possible to modify the speed of movement of the second piston during the angular displacement of the pivoting mass to modify the speed of variation of the volume of the gas.
  • the means for controlling the movement can be constituted for example by a cable and adjustment slides making it possible to respectively adjust the initial volume of the gas chamber and the speed of variation of this volume.
  • FIG 1 there is shown an artillery piece 1, comprising a mount 2 on which is pivotally attached along an axis XX 'the pivoting mass 3 which we want to balance and which includes in particular the muzzle 4 .
  • the balancing system is designated by the general reference 5.
  • This system 5 connects the mount 2 of the artillery piece and the mass 3 pivotally mounted on this mount.
  • the system 5 comprises a gas chamber 6 whose pressure exerts a force Fe opposite to the force Fp exerted by the pivoting mass 3.
  • the gas chamber 6 cooperates with a piston 7 movable relative to the latter during the angular displacement of the pivoting mass 3 relative to the mounting 2, so that the pressure of the gas in the chamber 6 varies as a function of the displacement angular above.
  • the volume of the gas contained in the chamber 6 is calculated so that at a given temperature, the pressure of the gas exerts a force Fe which is opposite and is substantially equal to the force Fp exerted by the pivoting mass 3.
  • the system further comprises a first mechanical means for modifying the pressure of the gas in chamber 6 for other temperatures and a second mechanical means for modifying the speed of variation of the volume of the gas during the angular displacement of the pivoting mass.
  • the piston 7 is connected to the mount 2 by a rod 8 hinged at 9 to the latter.
  • the piston 7 is slidably mounted in a cylinder 10 constituting the gas chamber 6.
  • This cylinder 10 is connected to the pivoting mass 3 in an articulated fashion at 11.
  • the screw 8 is mounted in a nut 8a secured to the cylinder 10.
  • the first mechanical means for modifying the pressure of the gas in the chamber 6 comprises a second piston 13 slidably mounted in the cylinder 10 opposite the first piston 7.
  • This second piston 13 is connected to means comprising a cable 14 allowing this piston 13 to move relative to the first piston 7 during the angular displacement of the pivoting mass 3 to modify the volume of the gas.
  • the second mechanical means comprises means making it possible to modify the speed of movement of the second piston 13 during the angular displacement of the pivoting mass to modify the speed of variation of the volume of the gas.
  • the end of the rod 15 of the second piston 13 is connected to a cable 14 so that the movement of the cable drives the piston 13 in the same direction.
  • Cable 14 is guided along the cylinder 10 and passes on the axis XX ′ of pivoting of the pivoting mass 3.
  • the end 14a of the cable 14 opposite the second piston 13 is fixed in an adjustable manner to the mount 2.
  • the adjustment means comprise a first slide 17 secured to the pivoting mass, one of the ends D of which is located under the return pulley 16 and the other end of which C is located at a certain distance, in front of the first end.
  • This slide 17 comprises a slide 18 movable between the two ends D and C above between a position where the cable 14 passes in front of the slide 18 substantially without touching it and adjustable positions situated in front of this position where the cable is pushed towards the front by the slide 18 so that the cable 14 makes with the axis of the slide 17 an increasingly small angle when the slide is pushed forward.
  • the device comprises a second slide 19 secured to the carriage 2 extending substantially along the height of the latter and comprising a slide 20 movable between a high end E and a low end A of the slide 19 and to which the end 14a of the cable is fixed.
  • the upper end E of the slide 19 is located under the first slide 17, substantially to the right of the front end C of the latter.
  • the first mechanical means for modifying the pressure of the gas in the chamber comprises a gas cylinder 21 connected to the mount 2 and to the pivoting mass.
  • the gas chamber 22 of this jack 21 is connected by flexible tubing 23 to the gas chamber 6 of the balancing system.
  • the end 24 of the gas spring 21 connected to the pivoting mass 3 is articulated and sliding in a slide 25 extending from a first end close to the axis XX 'of pivoting of the pivoting mass 3 to a second end 26 located in front of the first.
  • the volume of the gas contained in the chamber 6 is calculated so that at the maximum temperature provided (for example 63 ° C.) for the operation of the artillery piece, the pressure of the gas exerts a force Fe which substantially balances the force Fp exerted by the pivoting mass whatever the angle formed by the pivoting mass 3.
  • the means for modifying the volume of gas are adapted to allow a reduction in the volume of this gas sufficient to substantially obtain the balance of the forces Fe and Fp, at the minimum temperature (for example, -46 ° C.) and at the angle minimum of the artillery piece.
  • the means for modifying the speed of variation of volume of the gas are sufficient to obtain, under the conditions of temperature and angle above, substantially the balancing of the forces whatever the angle formed by the pivoting mass.
  • the force Fp generated by the pivoting mass of the material on the axis 11 is given by the curve P of the pointing force (see FIG. 4).
  • the object of the invention is to create a force which is the most as close as possible to this aiming effort without ever being equal to it (to avoid changes in direction in the play catch-up) for all angles (in this case, from -6 ° to + 63 °) and for temperatures ranging from -46 ° C to + 63 ° C.
  • the forces must be increased again to better correspond to the curve P of the pointing force.
  • the change in volume generated by the pointing must be slower than the initial change.
  • two systems are required: the piston 7, whose movement is controlled by the pointing system which requires a variation in the volume of nitrogen, and a device which makes the increase in volume more or less rapid.
  • the balancing force has a correct intensity for all angles (see Figure 8).
  • the system has two adjustment slides 17, 19 (see Figure 2).
  • the piston 13 has been replaced by the jack 21 which makes it possible to modify the volume of gas in the chamber 6 and to modify the speed of variation of the volume of gas, by adjusting the position of the end 24 of the cylinder in the slide 25.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Actuator (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP95401972A 1994-09-19 1995-08-30 Vorrichtung zur Regelung des Balanciersystems eines Artilleriegeschützes in Abhängigkeit von der Aussentemperatur Ceased EP0702202A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9411121A FR2724715B1 (fr) 1994-09-19 1994-09-19 Dispositif de reglage en fonction de la temperature exterieure d'un systeme d'equilibrage d'une piece d'artillerie
FR9411121 1994-09-19

Publications (1)

Publication Number Publication Date
EP0702202A1 true EP0702202A1 (de) 1996-03-20

Family

ID=9467041

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95401972A Ceased EP0702202A1 (de) 1994-09-19 1995-08-30 Vorrichtung zur Regelung des Balanciersystems eines Artilleriegeschützes in Abhängigkeit von der Aussentemperatur

Country Status (3)

Country Link
US (1) US5663521A (de)
EP (1) EP0702202A1 (de)
FR (1) FR2724715B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2232967C1 (ru) * 2002-11-25 2004-07-20 Открытое акционерное общество "Завод им. В.А Дегтярева" Уравновешивающий механизм оружейной установки
WO2012168200A1 (de) * 2011-06-07 2012-12-13 Rheinmetall Air Defence Ag Vorrichtung und verfahren zur thermalkompensation eines waffenrohres

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5922987A (en) * 1996-06-18 1999-07-13 Mcdonnell Douglas Helicopter Co. Hydraulic traverse and elevation mechanism
GB2327115B (en) * 1997-07-09 2001-06-06 Rheinmetall Ind Ag Transverse action breech block for a weapon
FR2786260B1 (fr) * 1998-11-25 2000-12-29 Giat Ind Sa Dispositif de regulation de la vitesse de rentree en batterie d'un canon d'artillerie en fonction de la temperature
KR100415050B1 (ko) * 2001-07-02 2004-01-16 국방과학연구소 화포의 고각 조정장치
EP3004784B1 (de) * 2013-06-04 2018-05-16 Raytheon Company Vorrichtung zur verbesserten gegenbalance einer waffenhalterung
US10955213B1 (en) * 2020-01-27 2021-03-23 Mandus Group Llc Internal equilibrator for elevating struts of artillery systems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1460419A (en) * 1921-10-10 1923-07-03 Bryan P Joyce Counterpoise
US1858829A (en) * 1931-10-23 1932-05-17 Bryan P Joyce Counterpoise mechanism
US3033085A (en) * 1959-01-28 1962-05-08 Donald E Witkin Temperature compensating system for hydropneumatic equilibrator
EP0309646A2 (de) 1987-09-29 1989-04-05 Rheinmetall GmbH Ausgleicher

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2392387A (en) * 1942-03-03 1946-01-08 Joseph F Joy Equilibrator
US2946263A (en) * 1952-09-12 1960-07-26 Ibm Gun equilibrator
GB827137A (en) * 1957-05-31 1960-02-03 Bofors Ab Improvements relating to devices for balancing gun barrels in elevation
JPS5238800A (en) * 1975-09-23 1977-03-25 Tech Res & Dev Inst Of Japan Def Agency Balance device for cannons
US4809585A (en) * 1985-04-15 1989-03-07 Litton Systems, Inc. Equilibrator assembly for a gun system
DE4100102A1 (de) * 1991-01-04 1992-07-09 Wegmann & Co Unbalance-ausgleichsvorrichtung fuer eine waffe, insbesondere eine grosskalibrige waffe mit langem rohr

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1460419A (en) * 1921-10-10 1923-07-03 Bryan P Joyce Counterpoise
US1858829A (en) * 1931-10-23 1932-05-17 Bryan P Joyce Counterpoise mechanism
US3033085A (en) * 1959-01-28 1962-05-08 Donald E Witkin Temperature compensating system for hydropneumatic equilibrator
EP0309646A2 (de) 1987-09-29 1989-04-05 Rheinmetall GmbH Ausgleicher

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2232967C1 (ru) * 2002-11-25 2004-07-20 Открытое акционерное общество "Завод им. В.А Дегтярева" Уравновешивающий механизм оружейной установки
WO2012168200A1 (de) * 2011-06-07 2012-12-13 Rheinmetall Air Defence Ag Vorrichtung und verfahren zur thermalkompensation eines waffenrohres

Also Published As

Publication number Publication date
FR2724715B1 (fr) 1996-12-27
US5663521A (en) 1997-09-02
FR2724715A1 (fr) 1996-03-22

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