EP0412908B1 - Schildzapfenlagerung für eine Geschützlafette - Google Patents

Schildzapfenlagerung für eine Geschützlafette Download PDF

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Publication number
EP0412908B1
EP0412908B1 EP90402267A EP90402267A EP0412908B1 EP 0412908 B1 EP0412908 B1 EP 0412908B1 EP 90402267 A EP90402267 A EP 90402267A EP 90402267 A EP90402267 A EP 90402267A EP 0412908 B1 EP0412908 B1 EP 0412908B1
Authority
EP
European Patent Office
Prior art keywords
mount
casing
nut
support plate
elevation
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.)
Expired - Lifetime
Application number
EP90402267A
Other languages
English (en)
French (fr)
Other versions
EP0412908A1 (de
Inventor
Jean-Philippe Patrice Bernard Allais
Alain Robert Guillermond
Pascal Gérard Rouyer
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.)
Safran Transmission Systems SAS
Original Assignee
Hispano Suiza 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 Hispano Suiza SA filed Critical Hispano Suiza SA
Priority to AT90402267T priority Critical patent/ATE101261T1/de
Publication of EP0412908A1 publication Critical patent/EP0412908A1/de
Application granted granted Critical
Publication of EP0412908B1 publication Critical patent/EP0412908B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F41A27/06—Mechanical systems
    • F41A27/08—Bearings, e.g. trunnions; Brakes or blocking arrangements

Definitions

  • the present invention relates to a shaft journal for the elevation of a plate on site on an armament mount.
  • the invention aims to achieve such a structure.
  • the invention also aims to provide a journaling structure which allows the self-alignment of the weapon support on the carriage as well as the catching up of variations in center distance of the carriage, due to the severe temperature variations that may undergo such a system in its operational use.
  • the invention therefore relates to a shaft journal for the journaling in elevation of a plate on a cocking carriage, said journal being carried by a site axis mounted tightly in the inner ring of a bearing disposed at the inside the bore of a housing secured to the carriage, characterized in that the outer ring of the bearing is slidably mounted inside the housing, in that an elastic means is interposed between the bearing and the bottom of the housing bore, and in that the trunnion is equipped with a mechanical means capable of longitudinally displacing the site axis against the elastic means to release the axis of the trunnion partially in the bore of the housing during mounting of the plate on the carriage.
  • the mechanical means can be made inactive as soon as the plate is in place on the mount and secured to the pin, to allow axial sliding of the plate on the mount against the elastic means.
  • the mechanical means is constituted by a screw-nut system formed by the combination of a threaded end of the site axis passing through the bottom of the housing and of a nut carried by said end threaded, said nut being able to bear externally against the bottom of the housing.
  • the deployable mount incorporating the shaft pin according to the invention is disposed on the roof 1 of a vehicle (itself not shown).
  • the carriage has at its base a circular plate 2 rotating around a bearing axis ZZ on an extension 3 by means of a horizontal bearing 4.
  • the extension comprises a toothed circular 5 on which a pinion 7 of a field encoder 6
  • the plate 2 comprises a rectangular armored hatch 8 opening by tilting backwards to serve as a passage for the servant of the lookout from inside the vehicle.
  • the tray 2 includes four boxes serving as bearings for a deployable chair, itself made up of two lyres, one front 9 and the other rear 10.
  • two front boxes 11 serving as a bearing for the front lyre
  • two rear boxes 12 serve as bearings for the rear lyre.
  • the front left 11 and rear 12 boxes are symmetrical with the right front and rear boxes with respect to a diametrical axis of the turntable.
  • Each front 9 and rear 10 lyre consists of a bent U-shaped tube whose base (respectively 9a, 10a) is provided with yokes (respectively 9b, 10b) equipped with articulation axes around which the lyres 9 rotate and 10.
  • left 9c, 10c and right 9d, 10d are mounted, articulated on ball joints of the horizontal crosspieces (respectively left 13a and right 13b).
  • the assembly formed by the lyres 9 and 10 and the crosspieces 13a and 13b constitutes the articulated chair whose deployment is ensured by the form in two deformable parallelograms constituted by the plate 2, the left uprights 9c, 10c of the lyres and the crosspiece 13a (respectively the uprights 9d, 10d and the cross 13b).
  • the plate 14 On the chair thus formed is mounted the plate 14, support for the weapon (s) 15.
  • the plate 14 is rotatably mounted in elevation on an elevation axis YY materialized by pins 111 of the crosspieces 13a, 13b, said site axis being arranged in the vertical plane containing the axis of deposit ZZ.
  • the plate 14 supports two weapons 15 placed laterally on either side of the servant. It also supports a sighting device 17 in front of the servant.
  • FIG. 5 A general description of a mount incorporating the pin of site axis according to the invention having thus been made by way of example, reference will now be made to FIG. 5 for the description of the device according to the invention itself, ensuring the rotation in elevation of the plate 14. To ensure this site rotation, two pins 111 carried by axes 112 are screwed by screws 113 on the plate 14.
  • the housing 114 of generally cylindrical tubular shape is welded into the crosspiece 13a (or 13b).
  • the housing includes a first bore 116 open towards the inside of the carriage, the bottom of the bore being closed by a wall 117 pierced with a central hole 118, said wall defining a second bore 119 open towards the outside of the lookout and which can be closed by a screwed flange 120.
  • the journalling axis 112 has a cylindrical bearing 112a terminated by a shoulder 112b and, opposite the shoulder 112b, a threaded part 112C.
  • the pin 111 proper In abutment against the shoulder 112b is mounted the pin 111 proper, the latter comprising a cylindrical surface 111a against which abuts the internal ring of a roller bearing 121 mounted tight on the axis 112a.
  • the outer ring of the bearing 121 is slidably mounted inside a self-lubricating ring 122 disposed inside the bore 116.
  • a spacer 123 comes to bear against the lateral face of the outer ring of the bearing 121 opposite the bearing 111a of the journal relative to the bearing 121.
  • the threaded part 112c of the axis 112 crosses the wall 117 through the hole 118 thereof and supports a nut 125 housed in the housing 119.
  • the end of the thread 112c carries a circlip 126 which prevents the nut from being removed 125 out of thread 112c.
  • the pin 111 When mounting the plate 14 on the mount and in order to facilitate the introduction of the plate between the crosspieces 13a and 13b, the pin 111 must be released to more easily maneuver the plate.
  • the nut 125 is tightened on the thread 112c, the nut coming to bear on the external face of the wall 117, thus causing the axis 112 and the pin 111, the external ring, to the right of the figure. of the bearing 121 sliding axially in the self-lubricating ring 122 of the housing 114, against the spring formed by the elastic washers 124. (In a variant, the latter could be replaced by a spiral spring).
  • the plate 14 is positioned between the crosspieces 13a, 13b then the nut 125 is loosened in order to position the shoulder 112b of the axis 112 inside a bore 14a of the plate 14, thus giving the rotation reference of the plate on the journal. It is then possible to rotate the pin 111 to coincide the holes in the plate and the threads of the pin which will make it possible to screw the plate 14 by the screws 113 on the pin.
  • the invention also relates to a weapon such as that described here carried by a plate capable of journalling on site on a mount and comprising two pins 111 of the type described, mounted in opposition on either side of the plate, such that '' they can be seen in Figures 3 and 4.
  • the crossbeams 13a, 13b of the chair each support a longitudinal cylinder 20 therefore the body is articulated at the rear of the cross member and includes a spring which actuates a cable 21 wound on a pulley 129, itself secured in rotation in elevation of the plate by means of screws 130 and concentric with pin 111 of said plate.
  • this device makes it possible to catch up on the clearances at the level of the site axis and to improve the accuracy of the system and the dynamic behavior when driving.
  • the elastic mounting of the trunnion axis in its housing has many advantages.
  • the elastic axial sliding mounting of the site pin journal allows the self-alignment of the weapon support on the mount and increases the flexibility of operation.
  • this type of mounting makes it possible to increase the tolerances for producing the supports (lyres and crosspieces) and makes it possible to make up for the variations in center distances due to the variations in temperatures when the mount is used in variable and / or severe climatic conditions.

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Toys (AREA)
  • Braking Systems And Boosters (AREA)
  • Adornments (AREA)
  • Aerials With Secondary Devices (AREA)
  • Replacement Of Web Rolls (AREA)
  • Golf Clubs (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Motor Power Transmission Devices (AREA)
  • Rotary Pumps (AREA)

Claims (9)

  1. Wellenzapfen für die Höhenwinkelverstellung an einer Platine (14) auf einer Geschützlafette, wobei der Zapfen (111) von einer Achse (112) zur Höhenwinkelverstellung getragen ist, die in den Innenring eines Wälzlagers (121) eingepreßt ist, das im Innern der Bohrung eines mit der Lafette fest verbundenen Kastens (114) angeordnet ist, dadurch gekennzeichnet, daß der Außenring des Wälzlagers (121) im Innenraum des Kastens (114) gleitend montiert ist, daß zwischen dem Wälzlager und dem Boden (117) der Bohrung (116) des Kastens ein elastisches Mittel (124) angeordnet ist und daß der Zapfen mit einem mechanischen Mittel (112c, 125) ausgestattet ist, das eine Längsverschiebung der Achse (112) zur Höhenwinkelverstellung gegen die Wirkung des elastischen Mittels (124) ermöglicht, um die Achse des Zapfens während der Montage der Platine (14) an der Lafette in der Bohrung des Kastens (114) teilweise zu versetzen.
  2. Wellenzapfen nach Anspruch 1, dadurch gekennzeichnet, daß das mechanische Mittel (112c, 125) deaktiviert werden kann, wenn die Platine (14) an der Lafette plaziert und mit dem Zapfen (111) fest verbunden ist, um ein axiales Gleiten der Platine (14) auf der Lafette gegen die Wirkung des elastischen Mittels (124) zu ermöglichen.
  3. Wellenzapfen nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß das elastische Mittel (124) eine Feder ist, die zwischen einem Distanzring (123) zum Montieren des Wälzlagers (121) und dem Boden (117) des Kastens angeordnet ist.
  4. Wellenzapfen nach Anspruch 3, dadurch gekennzeichnet, daß das elastische Mittel (124) aus einem Stapel von in entgegengesetzter Anordnung montierten Scheibenfedern besteht.
  5. Wellenzapfen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das mechanische Mittel ein Schrauben-Mutter-System ist, das aus der Kombination eines durch den Boden (117) des Kasten dringenden, mit einem Geweinde versehenden Endbereichs (112c) der Achse zur Höhenwinkelverstellung und einer auf dieses Gewinde aufgeschraubten Mutter (125) besteht, die sich gegen den Boden (117) des Kastens abstützen kann.
  6. Wellenzapfen nach Anspruch 5, dadurch gekennzeichnet, daß der mit einem Gewinde versehene Endbereich (112c) der Achse einen Sprengring (126) aufweist, der ein Abziehen der Mutter (125) verhindert, wenn diese sich nicht gegen den Boden (117) des Kastens abstützt.
  7. Wellenzapfen nach Anspruch 6, dadurch gekennzeichnet, daß der mit einem Gewinde versehene Endbereich (112c) der Achse, der die Mutter trägt, in einen dichten Aufnahmeraum (119) angeordnet ist, der von einer auf den Kasten (114) aufgeschraubten Scheibe (120) verschlossen ist.
  8. Waffe, die von einer Platine getragen wird, die an einer Lafette in Höhenrichtung verschwenkbar ist, dadurch gekennzeichnet, daß die Platine (14) von zwei Zapfen (111) nach einem der Ansprüche 1 bis 7 getragen wird, die einander gegenüberliegend zu beiden Seiten der Platine (14) montiert sind.
  9. Waffe nach Anspruch 8, dadurch gekennzeichnet, daß die Höhenwinkelverstellung der Platine (14) durch eine mechanische Federwinde (20) unterstützt wird, deren Körper an der Lafette befestigt ist und deren Feder mit einem Kabel (21) fest verbunden ist, dessen Ende an einer von dem Zapfen (111) getragenen Seilrolle (129) befestigt ist.
EP90402267A 1989-08-10 1990-08-08 Schildzapfenlagerung für eine Geschützlafette Expired - Lifetime EP0412908B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90402267T ATE101261T1 (de) 1989-08-10 1990-08-08 Schildzapfenlagerung fuer eine geschuetzlafette.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8910764A FR2650883B1 (fr) 1989-08-10 1989-08-10 Tourillon d'axe de site pour affut d'armement
FR8910764 1989-08-10

Publications (2)

Publication Number Publication Date
EP0412908A1 EP0412908A1 (de) 1991-02-13
EP0412908B1 true EP0412908B1 (de) 1994-02-02

Family

ID=9384638

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90402267A Expired - Lifetime EP0412908B1 (de) 1989-08-10 1990-08-08 Schildzapfenlagerung für eine Geschützlafette

Country Status (8)

Country Link
US (1) US5062347A (de)
EP (1) EP0412908B1 (de)
AT (1) ATE101261T1 (de)
CA (1) CA2021945A1 (de)
DE (1) DE69006427T2 (de)
DK (1) DK0412908T5 (de)
ES (1) ES2049000T3 (de)
FR (1) FR2650883B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5549397A (en) * 1994-02-03 1996-08-27 Temper Corporation Adapter sleeve and an adjustable spacer with radial extension useable thereon
US5719454A (en) * 1996-05-06 1998-02-17 Carrier Corporation Spring life improvement
US6199469B1 (en) * 1996-11-12 2001-03-13 The United States Of America As Represented By The Secretary Of The Army Counterbalance weight device
USD424650S (en) * 1998-12-04 2000-05-09 Stress-Tek, Inc. Trunnion load cell
US6453792B1 (en) * 1999-10-29 2002-09-24 Raytheon Company Gun trunnion angular-sensing mechanism
AU2003291223A1 (en) * 2003-01-13 2004-08-10 Denel (Pty) Ltd Trunnion assembly
US7444747B2 (en) * 2004-10-14 2008-11-04 Vermeer Manufacturing Company Roller mount arrangement
PL2354749T3 (pl) * 2010-02-08 2015-05-29 Oto Melara Spa Pojazd wyposażony w wieżę obrotową
DE102010061488B9 (de) * 2010-12-22 2013-02-28 Krauss-Maffei Wegmann Gmbh & Co. Kg Stellungsgeber einer drehbaren Waffe sowie Montagehilfe, Einstellhilfe und Verfahren zur Montage eines solchen Stellungsgebers
SE1651465A1 (en) * 2016-05-17 2017-11-18 Saab Ab Firing direction limitation device
US10942001B1 (en) * 2020-04-01 2021-03-09 United States Of America, As Represented By The Secretary Of The Navy Stow pin actuator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1742436A (en) * 1928-06-28 1930-01-07 Dabrasky August Trunnion bearing for ordnance
US2564568A (en) * 1943-11-10 1951-08-14 Republic Aviat Corp Gun trunnion
US2712271A (en) * 1949-05-07 1955-07-05 Richard E Wabnitz Adjustable support apparatus
DE917431C (de) * 1952-07-26 1954-09-02 Rud Schluckebier & Co Radsatz fuer Bahnaufsichts-Draisinen
US2836473A (en) * 1957-07-26 1958-05-27 Clarence W Tydeman Mounting for preloading tapered roller bearings
GB1316433A (en) * 1969-06-30 1973-05-09 Timken Co Rolling bearings
US3746412A (en) * 1971-07-06 1973-07-17 Gen Motors Corp Self adjusting nut assembly for wheel retainment
AT323530B (de) * 1972-07-06 1975-07-10 Voest Ag Lageranordnung für drehtrommeln grossen durchmessers, wie rohrmühlen, mischtrommeln u.dgl.
DK585D0 (da) * 1985-01-02 1985-01-02 Sabroe & Co As Aksialt finindstillelig lejeindretning i en rotormaskine saasom en skruekompressor
JPH0351546Y2 (de) * 1986-01-07 1991-11-06

Also Published As

Publication number Publication date
CA2021945A1 (fr) 1991-02-01
DE69006427T2 (de) 1994-06-01
DK0412908T5 (da) 1994-08-22
ATE101261T1 (de) 1994-02-15
FR2650883B1 (fr) 1991-10-11
ES2049000T3 (es) 1994-04-01
DE69006427D1 (de) 1994-03-17
EP0412908A1 (de) 1991-02-13
FR2650883A1 (fr) 1991-02-15
US5062347A (en) 1991-11-05

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