EP0080091B1 - Système de montage de tourillon pour canon à gros calibre - Google Patents

Système de montage de tourillon pour canon à gros calibre Download PDF

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Publication number
EP0080091B1
EP0080091B1 EP82110187A EP82110187A EP0080091B1 EP 0080091 B1 EP0080091 B1 EP 0080091B1 EP 82110187 A EP82110187 A EP 82110187A EP 82110187 A EP82110187 A EP 82110187A EP 0080091 B1 EP0080091 B1 EP 0080091B1
Authority
EP
European Patent Office
Prior art keywords
carriage
cradle
bearing
threaded ring
trunnion
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
Application number
EP82110187A
Other languages
German (de)
English (en)
Other versions
EP0080091A1 (fr
Inventor
Wolfgang Bartels
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.)
Rheinmetall Industrie AG
Original Assignee
Rheinmetall GmbH
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 Rheinmetall GmbH filed Critical Rheinmetall GmbH
Publication of EP0080091A1 publication Critical patent/EP0080091A1/fr
Application granted granted Critical
Publication of EP0080091B1 publication Critical patent/EP0080091B1/fr
Expired 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 invention relates to a large-caliber barrel weapon according to the preamble of claim 1.
  • a large-caliber barrel weapon is known (DE-A-2 330 890), in which the shield pins on both sides are arranged in bearing eyes of a rotatable inner ring of a canting bearing, the bearing eyes shown in FIG. 2 receiving both shield pins as plain bearings.
  • this type of storage for example when the barrel weapon is tilted, due to the bearing tolerances existing in the axial direction of the barrel cradle, the barrel weapon is displaced on the barrel cradle axis, with the rotation of the barrel cradle about its axis increasing the bearing play due to wear and tear the gun barrel is able to slide sideways.
  • the fixation of the weapon barrel perpendicular to the barrel cradle axis within the canting bearing also requires a high degree of manufacturing accuracy due to the existing length tolerances of the bearing eyes, the shield pin, the barrel cradle and the canting bearing, means for a subsequent correction and adjustment of the barrel cradle on the barrel cradle axis not being discernible, however are required.
  • the invention is based on the object, in the case of a large-caliber barrel weapon of the type mentioned, to design the shield pin bearing in such a way that a constant adjustment of the cradle carrier without play in the axial direction of the cradle carrier is ensured, but at the same time a lateral displacement of the weapon barrel is prevented and a correction of the center position of the Gun barrel relative to the center position of the carriage in the cradle direction can be carried out with simple means.
  • the invention enables a secure and stable adjustment of the cradle carrier in its axial direction, this position being unaffected by axial bearings preloaded in the axial direction of the cradle carrier even under permanent load.
  • the cradle carrier can be moved together with the two shield journal bearings in the axial direction of the cradle carrier.
  • the shape of the threaded ring is selected in such a way that indentation into the inner wall of the mount due to a low surface pressure is avoided, although a threaded ring, for example when the barrel weapon is at an angle, is exposed to a large load directed in the cradle axis. This ensures that the preload of the axial bearings is maintained, whereby a relaxation of the preload, for example by loosening the threaded ring, is avoided by locking means preventing the threaded ring from turning back.
  • a weapon barrel 7 is rotatably arranged in FIG. 1 via a cradle 12 in its shield pin bearings 3, 4 on both sides.
  • the weapon barrel 7 is guided in a cradle barrel 22 which is fixedly connected to the cradle support 12, with panels 23 protecting the barrel weapon storage.
  • a bottom piece 24 is attached at the rear end of the gun barrel 7, a bottom piece 24 is attached. The barrel brake and rewind systems necessary for the returning barrel are not shown.
  • shield pins 1 which are arranged on both sides in its axial and radial direction, are mounted in associated shield bearing housing 2, axial bearings 3 and radial bearings 4.
  • a threaded ring 5 is adjustably arranged on each shield journal bearing housing 2 facing the mount. Due to the support of the threaded ring 5 on the carriage inner wall 6, shown during the adjustment, for example on the right in FIG. 1, the cradle 12 is able to shift the central position 8 of the weapon barrel 7 by the distance 25 until a correspondence with the central position 10 of the fixed carriage is achieved, which at the same time ensures a favorable installation position for a smooth movement of the cradle 12 . For this purpose, however, it is necessary to turn the threaded ring 5 shown on the left in FIG. 1 in the direction of the mount inner wall 6 until the shield journal bearing housing 2 is supported and the required preload force of the axial bearing 3 is reached.
  • Fig. 2 illustrates the arrangement of the threaded ring 5 on the trunnion bearing housing 2 in a secured position.
  • the threaded ring 5 On its outer casing 18, the threaded ring 5 has grooves 19, which allow the tightening to a required torque by means of a torque wrench and enable a safety element 20 to be received at the bores 21 in the trunnion bearing housing 2.
  • Fastening means (not shown) secure the shield journal bearing housing 2 in the elongated holes 27 arranged in the cradle axis direction after the threaded ring 5 has been supported laterally on the inside of the mount 6 (FIG. 1).
  • FIG. 3 shows an installation situation of the axial bearing 3 and radial bearing 4 located in a shield journal bearing housing 2 and on a journal journal 1, as well as a threaded ring 5 that is not supported on the inner wall 6 of the mount.
  • a cradle 12 which can be easily adjusted in the axial direction has been created, which, with a preloaded shield journal bearing of the cradle 12, enables a pivoting movement of the weapon barrel 7 around the cradle axis without play in the longitudinal direction of the cradle.
  • a permanent axial play-free mounting of the cradle 12 is achieved by a preload force acting on the two axial bearings 3 in the cradle axis direction of the threaded ring 5.
  • the ring 15 of the axial bearing 3 facing away from the shield pin 1 is supported in the shield pin bearing housing 2, while the ring 17 of the same bearing is centered on the shield pin 1, supported and the end face also determines the axial installation space of the inner ring 16 of the radial bearing 4.
  • the shield journal bearing housing 2 allows both the radial bearing 4 and the axial bearing 3 to be installed from one direction on its inner side 13, no further means for fastening the outer ring 14 of the radial bearing being necessary.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Support Of The Bearing (AREA)
  • Rolling Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)

Claims (5)

1. Arme à tube de gros calibre montée sur affût, comportant un support de berceau (12) placé dans l'affût (9), des paliers de tourillon (3, 4) placés des deux côtés aux extrémités, et des moyens (5) d'ad- justement sur la paroi intérieure d'affût (6), caractérisée en ce que les deux paliers de tourillon comportent chacun un palier axial (3) s'appuyant par un tourillon ( 1 ) respectif contre le logement de paliers de tourillon (2), un palier radial (4) et une bague filetée respective (5) mobile axialement sur le logement de paliers de tourillon (2), les palier axiaux (3) pouvant être précontraints l'un veers l'autre par l'appui des bagues filetées (5) vissées par application d'un couple, avec une force nécessaire dirigées dans la direction de l'axe du berceau, et une concordance exacte du centre (8) de tube (7) de l'arme et du centre (10) de l'affût (9) pouvant en même temps être établie.
2. Arme à tube selon la revendication 1, caractérisée en ce que chaque bague filetée (5) s'appuie par sa face frontale (11) opposée au support de berceau (12) sur une paroi intérieure d'affût (6) fixe parallèle à la face frontale (11), la conformation de la bague filetée (5) étant choisie de façon que, malgré une charge élevée apparaissant suivant l'axe du berceau, la pression superficielle entre la face frontale (11 ) et la paroi intérieure d'affût (6) soit faible et que le couple devant produire la précontrainte nécessaire du palier axial (3) puisse être engendré manuellement au moyen d'outils courants dans le commerce.
3. Arme à tube selon la revendication 1 ou 2, caractérisée en ce que, pour compenser des tolérances de fabrication entre le support de berceau mobile (12) et la paroi intérieure d'affût fixe (6), on peut déterminer une position différente du centre (8) du tube (7) de l'arme par rapport au centre (10) de l'affût (9) en déplaçant les deux bagues filetées (5).
4. Arme à tube selon l'une des revendications 1 à 3, caractérisée en ce que le logement de paliers de tourillon (2) est conformé sur Isa face intérieure (13) de telle façon que la bague extérieure (14) du palier radial (4) et la bague extérieure (15) du palier axial (3) opposée au support de berceau (12) peuvent être reçues par lui, le palier radial (4) et le palier axial (3) étant fixés en position entre le logement de paliers de tourillon (2) et le support de berceau (12) dans la direction axiale du support de berceau ( 12) par la précontrainte du palier axial (3) au moyen de la bague filetée (5).
5. Arme à tube selon l'une des revendications 1 à 4, caractérisée en ce que la bague filetée (5) comporte une pluralité de rainures (19) dirigées perpendiculairement à la direction périphérique sur la surface latérale extérieure, ces rainures (19) étant conformées de façon qu'un couple nécessaire pour la précontrainte puisse être transmis et le nombre des rainures (19) étant déterminé par le fait que la bague filetée (5) peut être fixée par des moyens de blocage (20), après obtention du couple nécessaire, au moyen d'alésages (21 ) préformés sur le logement de palier (2).
EP82110187A 1981-11-21 1982-11-05 Système de montage de tourillon pour canon à gros calibre Expired EP0080091B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3146165 1981-11-21
DE19813146165 DE3146165A1 (de) 1981-11-21 1981-11-21 Grosskalibrige rohrwaffe mit lafettenlagerung

Publications (2)

Publication Number Publication Date
EP0080091A1 EP0080091A1 (fr) 1983-06-01
EP0080091B1 true EP0080091B1 (fr) 1986-01-29

Family

ID=6146872

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110187A Expired EP0080091B1 (fr) 1981-11-21 1982-11-05 Système de montage de tourillon pour canon à gros calibre

Country Status (4)

Country Link
US (1) US4531447A (fr)
EP (1) EP0080091B1 (fr)
DE (2) DE3146165A1 (fr)
ES (1) ES8308055A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3836718C2 (de) * 1988-10-28 1998-11-26 Rheinmetall Ind Ag Schildzapfenlagerung für einen Wiegenträger einer Rohrwaffe
US5701801A (en) * 1995-10-18 1997-12-30 Mcdonnell Douglas Corporation Mechanically redundant actuator assembly
DE10062210B4 (de) * 2000-12-13 2008-03-06 Rheinmetall Waffe Munition Gmbh Schildzapfenlagerung für den Wiegenträger eines großkalibrigen Waffenrohres
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191506870A (en) * 1915-05-07 1919-03-06 Vickers Ltd Improvements in or relating to Pedestal Gun Mountings.
US2341680A (en) * 1941-11-28 1944-02-15 Western Cartridge Co Piston means for gas-operated firearms
GB558662A (en) * 1942-06-08 1944-01-14 Phillips & Powis Aircraft Ltd Improvements in ball bearing devices
CH292816A (de) * 1949-06-01 1953-08-31 Inst International Financier Verfahren zur Gewinnung eines schmelzbaren Ligninharzes.
CH282816A (fr) * 1950-01-20 1952-05-15 Tornos Sa Fabrique De Machine Palier à jeu réglable.
DE1964995U (de) * 1967-05-20 1967-07-27 Boelkow Gmbh Nachstellbares lager.
US3854377A (en) * 1972-05-20 1974-12-17 Keller & Knappich Augsburg Tank turret for automatic weapons
US3971285A (en) * 1975-03-31 1976-07-27 The United States Of America As Represented By The Secretary Of The Army Adjustable muzzle compensator
DE2552009A1 (de) * 1975-11-20 1982-07-15 Wegmann & Co, 3500 Kassel Schildzapfenlagerung in gepanzerten gehaeusen

Also Published As

Publication number Publication date
DE3268883D1 (en) 1986-03-13
EP0080091A1 (fr) 1983-06-01
ES517441A0 (es) 1983-08-16
DE3146165C2 (fr) 1990-03-01
ES8308055A1 (es) 1983-08-16
DE3146165A1 (de) 1983-05-26
US4531447A (en) 1985-07-30

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