EP3583375A1 - Frein de bouche pour freiner le tube lors du recul d'une arme à tube - Google Patents

Frein de bouche pour freiner le tube lors du recul d'une arme à tube

Info

Publication number
EP3583375A1
EP3583375A1 EP18702495.5A EP18702495A EP3583375A1 EP 3583375 A1 EP3583375 A1 EP 3583375A1 EP 18702495 A EP18702495 A EP 18702495A EP 3583375 A1 EP3583375 A1 EP 3583375A1
Authority
EP
European Patent Office
Prior art keywords
pipe
cylinder
control rod
tube
braking
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
EP18702495.5A
Other languages
German (de)
English (en)
Other versions
EP3583375B1 (fr
Inventor
Florian SCHWIEGER
Berthold Baumann
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 Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition 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 Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP3583375A1 publication Critical patent/EP3583375A1/fr
Application granted granted Critical
Publication of EP3583375B1 publication Critical patent/EP3583375B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F41A25/00—Gun mountings permitting recoil or return to battery, e.g. gun cradles; Barrel buffers or brakes
    • F41A25/02—Fluid-operated systems

Definitions

  • Pipe brake for braking the pipe during the return of a gun
  • the present invention relates to a pipe brake for braking the pipe during the return of a gun barrel.
  • Such pipe brakes are required for pipe recoil guns. These are known from stationary guns as well as mobile guns, such as combat vehicles.
  • tube brakes are usually used, which are arranged symmetrically to the tube core axis and the resulting braking force is in the tube axis soul. In such an arrangement, it would be advantageous that at any time of the bullet passage in the pipe, the tube brakes generate the same high braking forces. Due to manufacturing tolerances of the pipe brakes, however, deviations are unavoidable.
  • Object of the present invention is therefore to overcome the disadvantages of the solutions of the prior art and to ensure a pipe brake, which does not require more space compared to conventional pipe brakes and can exert a braking force from the beginning of the braking path.
  • This braking force should be controllable in the later course of the braking movement.
  • This design is intended to prevent that when using multiple tube brakes, these tube brakes generate different braking forces at the same time.
  • a pipe brake for braking the pipe at the return of a gun tube.
  • This pipe brake has a hollow cylinder, whereby it has an outer and an inner diameter.
  • the outer diameter is thus that of the outer wall of the cylinder and the inner diameter is defined by the hollow interior of the cylinder.
  • a control rod is arranged and a control rod surrounding the piston rod.
  • This piston rod surrounding the control rod is arranged coaxially with the cylinder inside the cylinder and can move coaxially relative to the control rod.
  • the piston rod is also movable coaxially with the cylinder.
  • the movement of the piston rod can be characterized by structural measures of the cylinder are limited, for example, by projections or guide grooves within the cylinder.
  • the interior of the cylinder is filled according to the invention with a brake fluid.
  • the piston rod has a control gap, which is arranged between the piston rod and control rod.
  • the brake fluid which is displaced during movement of the piston rod, must now flow through the control gap in order to enable a volume compensation of the brake fluid.
  • the Regeispalt is designed so that a flow of the brake fluid through the control gap generates a braking force on the movement of the piston rod.
  • the control rod in turn is provided with different diameters in the longitudinal direction of the cylinder.
  • the control rod has areas with constant diameter and areas with tapered diameters or areas with expanding diameters.
  • the control rod has a first region of constant diameter, which adjoins the end at which the control rod corresponds to the inner diameter of the cylinder.
  • the adjoining region of the Regeistange is then provided with tapering or on marendem diameter or even with areas where the diameter remains the same.
  • the course of the braking distance can be provided with different braking forces.
  • the corresponding areas with the different diameters of the control rod can be aligned to an individually desired braking characteristics.
  • the different areas with the different diameters of the control rod thus steep the control profile of the control rod.
  • control rod according to the invention introduced into the cylinder, preferably by screwing. But it can also be introduced by press fitting in the cylinder. Other types of mounting the control rod in the cylinder are conceivable, for example, welding or soldering.
  • the Regeistange is introduced into the cylinder, that a fixed insertion depth is provided, that is, in the production of various pipe brakes, the control rod is always introduced in a specified depth of insertion in the cylinder. When screwed in, this corresponds to the same set screwing depth.
  • the diameter is constant and preferably corresponds to the length that the brake takes when passing through the ammunition in the gun as a way. This ensures that the areas with the different diameters develop their braking effect only after leaving the ammunition of the gun or control the braking effect.
  • a hydraulic fluid is used as the brake fluid.
  • cylinder control rod and piston rod are preferably made of metal. These designs ensure that standard materials can be used, both for the brake fluid and for the construction of the mechanical components.
  • the gun has a cradle, on which the cylinder is arranged.
  • the piston rod is thus connected to the return pipe of the gun tube.
  • the tube brake can also be constructed conversely in their effect, so that the cradle of the tube weapon is arranged on the piston rod and the cylinder is connected to the return pipe of the tube weapon.
  • a fixed part is provided and a movable part, which is connected to the returning part of the weapon.
  • the pipe brake can be used to decelerate the pipe during the return of a gun.
  • two pipe brakes are used to brake a pipe.
  • the arrangement of the two tube brakes for braking the retrograde tube weapon is then preferably designed so that the tube of the gun has a Rohrseelenachse and the tube brakes are arranged symmetrically to the tube axis. The Rohrseelenachse ⁇ st doing the central axis in the longitudinal direction of the gun barrel.
  • the control rod need not be longer than in conventional pipe brakes, whereby the proposed pipe brake requires less space than conventional pipe brakes. Furthermore, the technical complexity is kept low to manufacture the cross sections of the control rod.
  • the first area of the control rod with constant diameter is manufactured with very tight tolerances, since it is important that when using multiple tube brakes, the diameter of this first area is always the same as possible Otherwise, the vibrations described above occur within the gun when firing the ammunition. In the other areas of the braking distance, the control rod, these tight tolerances are no longer so important, since after passing through the ammunition through the gun the precision of the ammunition is no longer impaired.
  • Fig. 1 - a cross section of a pipe brake according to the invention.
  • Fig. 1 shows the relevant proportion of a pipe brake according to the invention in section.
  • the pipe brake consists of a cylinder 1, which is hollow and thus has an outer and an inner diameter.
  • Arranged in the cylinder 1 is the control rod 2.
  • the control rod 2 has an end 7 which has the same diameter as the inner diameter of the cylinder.
  • a control rod 2 surrounding piston rod 3 is further provided within the cylinder 1 and arranged so that the piston rod 3 coaxial with the cylinder 1 and the control rod 2 is movable. The movement of the piston rod 3 is limited by the structural conditions of the cylinder 1.
  • the control rod 2 is preferably screwed into the cylinder 1 and the piston rod
  • Fig. 1 it is proposed to connect the cylinder 1 with the cradle.
  • the interior of the cylinder 1 is also filled with a brake fluid 11.
  • the piston rod 3 further has a control gap
  • This control gap 4 determines the braking force of the pipe brake. If the mass to be decelerated moves back, the piston rod 3 moves to the right. Thus, the piston rod 3 moves during braking movement of the end 7 of the control rod 2 away.
  • the control rod 2 has a first region 5, which adjoins the end 7 of the control rod 2 in this region 5, the control rod 2 has a constant diameter.
  • This constant diameter has the advantage that even with different screw-in depths 6 of the control rod 2 in the cylinder 1, the braking forces of several tube brakes at the beginning of the return path remain the same.
  • This first region 5 should be manufactured with very tight tolerances, so that this region 5 can only give slight differences in its braking force when using different tube brakes.
  • this first area 5 is as long as the returning mass needed until the ammunition to be fired has left the gun barrel. Only after this first area 5 does the actual control profile begin.
  • the actual control profile After leaving the ammunition of the pipe, the actual control profile begins, which consists of different areas 8, 9, 10 with tapered and / or widening diameters or of constant diameters. Through these different areas, a specific control profile, which should have the brake can be realized.
  • the present invention is not limited to the above-mentioned features, but further embodiments are conceivable. So it would be possible to make parts of the pipe brake (cylinder piston rod and / or control rod) made of a material other than metal. It is also possible to use materials with a slight elasticity. By using such materials dynamic forces can be realized when initiating the braking process.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un frein de bouche pour freiner le tube lors du recul d'une arme à tube, comportant un cylindre creux, une tige de réglage (2) montée dans le cylindre ainsi qu'une tige de piston (3) entourant la tige de commande (3). La tige de piston peut se déplacer coaxialement au cylindre et à la tige de réglage et l'espace intérieur du cylindre est rempli d'un fluide de freinage (11). La tige de réglage présente dans le cours de la course de freinage en premier lieu un diamètre constant dont la taille correspond à la distance que la munition doit parcourir pour quitter le tube de l'arme à tube. Puis il est prévu un profilé de réglage dans lequel la tige de réglage peut présenter différents diamètres.
EP18702495.5A 2017-02-15 2018-01-31 Frein de recul Active EP3583375B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017103052.2A DE102017103052A1 (de) 2017-02-15 2017-02-15 Rohrbremse zum Abbremsen des Rohres beim Rücklauf einer Rohrwaffe
PCT/EP2018/052387 WO2018149644A1 (fr) 2017-02-15 2018-01-31 Frein de bouche pour freiner le tube lors du recul d'une arme à tube

Publications (2)

Publication Number Publication Date
EP3583375A1 true EP3583375A1 (fr) 2019-12-25
EP3583375B1 EP3583375B1 (fr) 2023-12-13

Family

ID=61132436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18702495.5A Active EP3583375B1 (fr) 2017-02-15 2018-01-31 Frein de recul

Country Status (8)

Country Link
EP (1) EP3583375B1 (fr)
DE (1) DE102017103052A1 (fr)
DK (1) DK3583375T3 (fr)
ES (1) ES2968411T3 (fr)
FI (1) FI3583375T3 (fr)
HU (1) HUE065877T2 (fr)
PL (1) PL3583375T3 (fr)
WO (1) WO2018149644A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019121982A1 (de) 2019-08-15 2021-02-18 Rheinmetall Waffe Munition Gmbh Rohrbremse und Rohrwaffe
EP4379307A1 (fr) * 2022-11-30 2024-06-05 BAE SYSTEMS plc Arme d'artillerie
WO2024115876A1 (fr) * 2022-11-30 2024-06-06 Bae Systems Plc Pièce d'artillerie

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US483829A (en) * 1892-10-04 William j
FR338918A (fr) * 1903-07-18 1904-09-21 Schneider & Cie Dispositif amortisseur des chocs produits par le retour en batterie, pour affuts de bouches à feu à tir rapide
US927862A (en) 1905-10-04 1909-07-13 Krupp Ag Fluid-brake for recoil-guns.
GB125465A (en) * 1916-08-16 1919-04-24 Beardmore William & Co Improvements in Recoil Apparatus for Ordnance.
DE542316C (de) * 1930-09-12 1932-01-22 Rheinische Metallw & Maschf Rueck- und Vorlaufbremse fuer Rohrruecklaufgeschuetze
DE641034C (de) * 1931-11-17 1937-01-21 Fried Krupp Akt Ges Fluessigkeitsbremse fuer Geschuetzrohre
DE2943083C2 (de) 1979-10-25 1981-11-26 Rheinmetall GmbH, 4000 Düsseldorf Hydraulische Rohrrücklaufbremse
US4774873A (en) 1986-09-15 1988-10-04 The United States Of America As Represented By The Secretary Of The Army Sleeve recuperator
DE3824153A1 (de) 1988-07-16 1990-04-26 Rheinmetall Gmbh Waffenrohrruecklaufbremse mit vorlaufdaempfung

Also Published As

Publication number Publication date
HUE065877T2 (hu) 2024-06-28
DK3583375T3 (da) 2024-01-22
ES2968411T3 (es) 2024-05-09
PL3583375T3 (pl) 2024-04-29
FI3583375T3 (fi) 2024-01-18
EP3583375B1 (fr) 2023-12-13
DE102017103052A1 (de) 2018-08-16
WO2018149644A1 (fr) 2018-08-23

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