EP1617167A1 - Artillery projectile with driving band - Google Patents

Artillery projectile with driving band Download PDF

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Publication number
EP1617167A1
EP1617167A1 EP05010823A EP05010823A EP1617167A1 EP 1617167 A1 EP1617167 A1 EP 1617167A1 EP 05010823 A EP05010823 A EP 05010823A EP 05010823 A EP05010823 A EP 05010823A EP 1617167 A1 EP1617167 A1 EP 1617167A1
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EP
European Patent Office
Prior art keywords
projectile
actuating element
sealing element
actuating
sealing
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Granted
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EP05010823A
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German (de)
French (fr)
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EP1617167B1 (en
Inventor
Thomas Heitmann
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Rheinmetall Waffe Munition GmbH
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Rheinmetall Waffe Munition GmbH
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Publication of EP1617167A1 publication Critical patent/EP1617167A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/02—Driving bands; Rotating bands

Definitions

  • the invention relates to an artillery projectile, in particular full caliber projectile, with a projectile body on which a guide tape is arranged.
  • a subcaliber projectile with a caliber-same sabot is known, which is completely arranged in the loaded state of the weapon in the caliber tube.
  • an annular sealing element made of a deformable plastic and an axially displaceable annular actuating element made of a relatively hard material is arranged on the rear side.
  • the annular actuating element a wedge surface which cooperates with a corresponding wedge surface of the sealing element.
  • the actuator if the actuator is displaced by the propellant gases generated during firing from a rest position to an end stop defined by an actuating position, the actuator pushes the sealing element to the outside and thus seals the corresponding barrel very quickly against otherwise possibly between leadership tape and gun barrel past propellant gases.
  • the invention has for its object to provide a projectile of the type mentioned above, which comprises a guide band, which ensures a safe dischargeability of the projectile and has at launch of the projectile both a fast initial shift and a good sealing effect in the pipe passage.
  • the invention is based essentially on the idea to design the projectile such that the guide tape in the charged state of the corresponding weapon on the one hand still partly in the cargo space or the transition region between the cargo space and caliber tube protrudes and on the other hand, similar to the case of DE 30 33 042 C2, a multi-part construction with a sealing element and an actuator has, however, the elastic sealing element formed overcircular and frictionally with the front side Projectile body is connected.
  • the corresponding cartridge By reaching into the cargo space arrangement of the guide belt, the corresponding cartridge can be safely discharged again at any time.
  • a gas pressure builds up, which very quickly leads to the formation of a bead-shaped region of the sealing element, which then seals off the charge space on the front side.
  • the sealing element including the bead-shaped region If the projectile moves in the direction of the mouth of the weapon barrel, the sealing element including the bead-shaped region is compressed to the caliber (elastic) in the transition region between the charge space and the caliber tube. In the caliber region of the weapon barrel, therefore, not only the initially bead-shaped region of the sealing element but also the entire sealing element extending in the axial direction seals off.
  • the guide band After leaving the weapon barrel, the guide band remains in the guide band groove, so that no obstruction of the projectile due to repelled guide band parts (for example, when using a folding tail) are to be feared.
  • an axial cavity is present, wherein the cavity delimiting end portions of the actuating element and the sealing element have an axial distance from each other, which corresponds to the maximum displacement of the actuating element, so that the end region of the sealing element forms the end stop of the actuating element.
  • the projectile according to the invention has the advantage in that the excess plastic of the sealing element which is not required for the sealing function when passing through the caliber tube can be pressed into the axial cavity.
  • the projectile according to the invention only the part of the sealing element situated above the wedge-shaped surface of the actuating element is pressed outwards, while the remaining part of the sealing element remains in its rest position.
  • At least one sealing ring should be arranged between the actuating element and the projectile body, which prevents propellant charge gases from entering the axial cavity.
  • the entire guide band is arranged in a substantially U-shaped groove of the projectile body.
  • thermoplastic material may be used as the material for the sealing element, and glass fiber reinforced plastic (GRP), carbon fiber reinforced plastic (CFRP) or light metal (e.g., aluminum alloy) may be used as the material for the actuator.
  • GRP glass fiber reinforced plastic
  • CFRP carbon fiber reinforced plastic
  • light metal e.g., aluminum alloy
  • FIGS. 1 and 2 1 denotes a projectile body which has a U-shaped groove-shaped recess 2 in which a guide belt 3 is arranged is.
  • the guide strip 3 consists of an annular over-caliber sealing element 4 made of a deformable plastic (eg a thermoplastic), the front part 5 with the projectile body 1, for example by means of an adhesive connection, is non-positively connected.
  • a deformable plastic eg a thermoplastic
  • the sealing element 4 encloses an axially displaceable actuating element 6 made of a relatively hard material (eg GRP, CFRP or an aluminum alloy), which is defined by the propellant charge gases acting on the projectile during launch from a rest position (FIG. 1) into an end stop 7 Actuating position (Figure 2) is displaceable.
  • a relatively hard material eg GRP, CFRP or an aluminum alloy
  • the actuating element 6 has on the front side a wedge surface 8, which cooperates with a corresponding wedge surface 9 of the sealing element 4, so that during the axial displacement of the actuating element 6 of the overlying portion 10 of the sealing element 4 is pressed bead-shaped outward ( Figure 2).
  • sealing rings 13 e.g. made of rubber, arranged to prevent propellant charge gases can get into the axial cavity 12 during firing of the projectile.
  • the projectile will be a large-caliber tank projectile, whose rear-side guide belt 3 is still in the transition cone of the cargo space to the caliber tube of a corresponding gun barrel in the charged state of the projectile and the inner surface the transition cone is not affected.
  • the propellant charge gases act both on the rear-side region of the projectile and on the rear side gas pressure receiving surface 14 of the actuating element 6.
  • the actuator 6 is first accelerated much faster than the relatively heavy projectile, so that the wedge surface 8 of the Actuator 6 is pushed under the corresponding wedge surface 9 of the sealing element 4.
  • the deformable sealing element 4 is widened in the region above the wedge surfaces 8 and 9 and forms there a bead-shaped region 15, which very quickly seals the area between the projectile and the pipe wall against the propellant charge gases.
  • the actuator 6 is pushed back against the gas pressure of the propellant charge gases in its rest position ( Figure 1).
  • the sealing element now seals with its entire lateral surface.
  • the plastic of the sealing element 4 that is not required for the further sealing process in the caliber tube can be pressed into the axial cavity 12.
  • the projectile body when using subcaliber projectiles, may be the mantle of a sabot on which the guide band is arranged in this case.
  • annular actuator need not be integrally formed, but may for example in the case of an existing metal actuator for insertion into the recess 2 also consist of two half-shells. Another possibility is either completely omit the rear leg of the U-shaped recess 2 or to attach to the projectile body by screwing or gluing only after pushing the guide band or the actuating element.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Saccharide Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Abstract

Artillary projectile, especially a mximum calibre projectile with a projectile body (1) wiith a guide strip (3), a sealing ellement in deformable plastic (4), a ring-shaped operating element (6), made fom a relatively hard material, and an axial hollow space (12). The guide element is arrnged so that in the loaded state a weapon can poject either partially in the loading space or into a transiion region between the loading space and the subsequent weapon tube calibre.

Description

Die Erfindung betrifft ein Artilleriegeschoß, insbesondere Vollkalibergeschoß, mit einem Geschoßkörper, auf dem ein Führungsband angeordnet ist.The invention relates to an artillery projectile, in particular full caliber projectile, with a projectile body on which a guide tape is arranged.

Versuche der Anmelderin haben ergeben, daß es bei vollkalibriger Panzermunition vorteilhaft ist, wenn das heckseitig angeordnete Führungsband des jeweiligen Geschosses im geladenen Zustand der Patrone noch teilweise in den Ladungsraum oder in den Übergangskegel zwischen Ladungsraum und Kaliberrohr der entsprechenden Waffe ragt, um die Patrone gegebenenfalls wieder sicher entladen zu können. Da sich das Vollkalibergeschoß aufgrund seines hohen Gewichtes beim Abschuß aber nur langsam in Bewegung setzt, vergeht eine relativ lange Zeitspanne, bis das Führungsband sich in dem Kaliberrohr der Waffe befindet und eine Abdichtung des Geschosses gegen vorbeiströmende Treibladungsgase bewirkt. In dieser Zeitspanne sind bereits Treibladungsgase über die Dichtung hinweggeströmt, die Erosionen an den Dichtungen und dem Waffenrohr bewirken können. Außerdem beeinflussen die an dem Führungsband vorbeiströmenden Treibladungsgase die Geschoßbeschleunigung im Waffenrohr und damit auch die Treffwirkung des jeweiligen Geschosses negativ.Experiments by the Applicant have shown that it is advantageous in vollkalibriger tank ammunition, when the rear side arranged guide band of each bullet in the charged state of the cartridge still partially protrudes into the cargo space or in the transition cone between the cargo space and caliber tube of the corresponding weapon to the cartridge if necessary again safely unloaded. However, since the full-caliber projectile is slow to move due to its high weight on launch, a relatively long period of time elapses until the leader tape is in the caliber tube of the weapon and seals the projectile against passing propellant gases. During this time, propellant charge gases have already flowed across the gasket, which can cause erosion on the gaskets and gun barrel. In addition, the propellant gases flowing past the guide band influence the projectile acceleration in the barrel and thus also the impact of the respective projectile negatively.

Aus der DE 30 33 042 C2 ist ein unterkalibriges Geschoß mit einem kalibergleichen Treibspiegel bekannt, der im geladenen Zustand der Waffe vollständig in dem Kaliberrohr angeordnet ist. Auf dem Treibspiegel ist heckseitig ein ringförmiges Dichtelement aus einem verformungsfähigen Kunststoff sowie ein axial verschiebbares ringförmiges Betätigungselement aus einem relativ harten Material angeordnet. Dabei weist das ringförmige Betätigungselement eine Keilfläche auf, welche mit einer korrespondierenden Keilfläche des Dichtelementes zusammenwirkt. Wird daher das Betätigungselement durch die beim Abschuß erzeugten Treibladungsgase von einer Ruhelage in eine durch einen Endanschlag definierte Betätigungslage verschoben, so drückt das Betätigungselement das Dichtelement nach außen und dichtet damit das entsprechende Waffenrohr sehr schnell gegen sonst möglicherweise zwischen Führungsband und Waffenrohr vorbeiströmende Treibladungsgase ab.From DE 30 33 042 C2, a subcaliber projectile with a caliber-same sabot is known, which is completely arranged in the loaded state of the weapon in the caliber tube. On the sabot an annular sealing element made of a deformable plastic and an axially displaceable annular actuating element made of a relatively hard material is arranged on the rear side. In this case, the annular actuating element a wedge surface which cooperates with a corresponding wedge surface of the sealing element. Therefore, if the actuator is displaced by the propellant gases generated during firing from a rest position to an end stop defined by an actuating position, the actuator pushes the sealing element to the outside and thus seals the corresponding barrel very quickly against otherwise possibly between leadership tape and gun barrel past propellant gases.

Nachteilig ist bei diesem bekannten Geschoß unter anderem, daß sich das Führungsband im geladenen Zustand der Waffe bereits vollständig im Kaliberrohr befindet. Dadurch können die sich in axialer Richtung erstreckenden Dichtflächen nur relativ kurz und nur kalibergleich oder nur geringfügig überkalibrig ausgebildet sein. Anderenfalls ließe sich die entsprechende Patrone nicht oder nur schwer laden und entladen.A disadvantage of this known projectile, inter alia, that the guide band is already fully loaded in the caliber tube in the charged state of the weapon. As a result, the sealing surfaces extending in the axial direction can be designed to be relatively short and only caliber-identical or only slightly over-caliber. Otherwise, the corresponding cartridge would not or difficult to load and unload.

Ferner hat es sich bei diesen bekannten Geschossen als relativ aufwendig erwiesen, daß der Verschiebeweg des Betätigungselementes des jeweiligen Führungsbandes durch eine separate, in den Geschoßkörper einbringbare Ausnehmung begrenzt wird, in welche eine axiale Verlängerung des Betätigungselementes eingreift. Außerdem erfolgt durch eine derartige Ausnehmung eine Schwächung des Geschoßkörpers. Schließlich muß bei dem bekannten Geschoß das gesamte Dichtelement radial verschiebbar ausgebildet sein, was mit zusätzlichen Herstellungskosten verbunden ist.Furthermore, it has proven to be relatively expensive in these known floors that the displacement of the actuating element of the respective guide band is limited by a separate, insertable into the projectile body recess in which an axial extension of the actuating element engages. In addition, a weakening of the projectile body takes place through such a recess. Finally, in the known projectile, the entire sealing element must be radially displaceable, which is associated with additional production costs.

Der Erfindung liegt die Aufgabe zugrunde, ein Geschoß der eingangs erwähnten Art anzugeben, welches ein Führungsband umfaßt, das eine sichere Entladbarkeit des Geschosses gewährleistet und bei Abschuß des Geschosses sowohl eine schnelle Anfangsliderung als auch eine gute Dichtwirkung beim Rohrdurchgang aufweist.The invention has for its object to provide a projectile of the type mentioned above, which comprises a guide band, which ensures a safe dischargeability of the projectile and has at launch of the projectile both a fast initial shift and a good sealing effect in the pipe passage.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is achieved by the features of claim 1. Further, particularly advantageous embodiments of the invention disclose the dependent claims.

Die Erfindung beruht im wesentlichen auf dem Gedanken, das Geschoß derart auszugestalten, daß das Führungsband im geladenen Zustand der entsprechenden Waffe einerseits noch teilweise in den Ladungsraum oder den Übergangsbereich zwischen Ladungsraum und Kaliberrohr ragt und andererseits, ähnlich wie im Falle der DE 30 33 042 C2, einen mehrteiligen Aufbau mit einem Dichtelement und einem Betätigungselement besitzt, wobei allerdings das elastische Dichtelement überkalibrig ausgebildet und vorderseitig kraftschlüssig mit dem Geschoßkörper verbunden ist.The invention is based essentially on the idea to design the projectile such that the guide tape in the charged state of the corresponding weapon on the one hand still partly in the cargo space or the transition region between the cargo space and caliber tube protrudes and on the other hand, similar to the case of DE 30 33 042 C2, a multi-part construction with a sealing element and an actuator has, however, the elastic sealing element formed overcircular and frictionally with the front side Projectile body is connected.

Durch die bis in den Ladungsraum reichende Anordnung des Führungsbandes, läßt sich die entsprechende Patrone jederzeit wieder sicher entladen. Beim Abfeuervorgang baut sich hingegen ein Gasdruck auf, der sehr schnell zur Bildung eines wulstförmigen Bereiches des Dichtelementes führt, welcher dann den Ladungsraum vorderseitig abdichtet. Bewegt sich das Geschoß in Richtung auf die Mündung des Waffenrohres, so wird im Übergangsbereich zwischen dem Ladungsraum und dem Kaliberrohr das Dichtelement einschließlich des wulstförmigen Bereiches auf das Kalibermaß (elastisch) zusammengedrückt. Im Kaliberbereich des Waffenrohres dichtet daher nicht nur der zunächst wulstförmige Bereich des Dichtelementes, sondern das gesamte in axialer Richtung erstreckende Dichtelement ab.By reaching into the cargo space arrangement of the guide belt, the corresponding cartridge can be safely discharged again at any time. During the firing process, on the other hand, a gas pressure builds up, which very quickly leads to the formation of a bead-shaped region of the sealing element, which then seals off the charge space on the front side. If the projectile moves in the direction of the mouth of the weapon barrel, the sealing element including the bead-shaped region is compressed to the caliber (elastic) in the transition region between the charge space and the caliber tube. In the caliber region of the weapon barrel, therefore, not only the initially bead-shaped region of the sealing element but also the entire sealing element extending in the axial direction seals off.

Nach Verlassen des Waffenrohres verbleibt das Führungsband in der Führungsbandnut, so daß keine Behinderungen des Geschosses durch abgestoßene Führungsbandteile (z.B. bei Verwendung eines Klappleitwerkes) zu befürchten sind.After leaving the weapon barrel, the guide band remains in the guide band groove, so that no obstruction of the projectile due to repelled guide band parts (for example, when using a folding tail) are to be feared.

Vorzugsweise ist vorgesehen, daß in der Ruhelage des Betätigungselementes zwischen dem vorderen Endbereich der Keilfläche des Betätigungselementes und dem diesem Ende axial gegenüberliegenden Endbereich des Dichtelementes ein axialer Hohlraum vorhanden ist, wobei die den Hohlraum begrenzenden Endbereiche des Betätigungselementes und des Dichtelementes einen axialen Abstand voneinander aufweisen, der dem maximalen Verschiebeweg des Betätigungselementes entspricht, so daß der Endbereich des Dichtelementes den Endanschlag des Betätigungselementes bildet.Preferably, it is provided that in the rest position of the actuating element between the front end region of the wedge surface of the actuating element and the axially opposite end region of the sealing element, an axial cavity is present, wherein the cavity delimiting end portions of the actuating element and the sealing element have an axial distance from each other, which corresponds to the maximum displacement of the actuating element, so that the end region of the sealing element forms the end stop of the actuating element.

Durch diese Maßnahme wird unter anderem erreicht, daß zur Begrenzung des Verschiebeweges des Betätigungselementes keine zusätzliche Ausnehmung in den Geschoßkörper eingebracht werden muß. Außerdem weist das erfindungsgemäße Geschoß den Vorteil auf, daß der beim Passieren des Kaliberrohres für die Dichtfunktion nicht benötigte überschüssige Kunststoff des Dichtelementes in den axialen Hohlraum gedrückt werden kann. Schließlich wird bei dem erfindungsgemäßen Geschoß lediglich der oberhalb der keilförmigen Fläche des Betätigungselementes befindliche Teil des Dichtelementes nach außen gedrückt, während der restliche Teil des Dichtelementes in seiner Ruhelage verbleibt.By this measure it is achieved, inter alia, that no additional recess in the projectile body must be introduced to limit the displacement of the actuating element. In addition, the projectile according to the invention has the advantage in that the excess plastic of the sealing element which is not required for the sealing function when passing through the caliber tube can be pressed into the axial cavity. Finally, in the projectile according to the invention, only the part of the sealing element situated above the wedge-shaped surface of the actuating element is pressed outwards, while the remaining part of the sealing element remains in its rest position.

Als vorteilhaft hat es sich erwiesen, wenn das Dichtelement das Betätigungselement außenseitig vollständig umschließt.It has proved to be advantageous if the sealing element completely surrounds the actuating element on the outside.

Zweckmäßigerweise sollte zwischen dem Betätigungselement und dem Geschoßkörper mindestens ein Dichtring angeordnet sein, welcher verhindert, daß Treibladungsgase in den axialen Hohlraum gelangen können.Conveniently, at least one sealing ring should be arranged between the actuating element and the projectile body, which prevents propellant charge gases from entering the axial cavity.

Bei einer Ausführungsform der Erfindung ist das gesamte Führungsband in einer im wesentlichen U-förmig ausgebildeten Nut des Geschoßkörpers angeordnet.In one embodiment of the invention, the entire guide band is arranged in a substantially U-shaped groove of the projectile body.

Als Material für das Dichtelement kann beispielsweise ein Thermoplast und als Material für das Betätigungselement ein Glasfaserverstärkter Kunststoff (GFK), ein Kohlefaserverstärkter Kunststoff (CFK) oder ein Leichtmetall (z.B. eine Aluminiumlegierung) verwendet werden.For example, a thermoplastic material may be used as the material for the sealing element, and glass fiber reinforced plastic (GRP), carbon fiber reinforced plastic (CFRP) or light metal (e.g., aluminum alloy) may be used as the material for the actuator.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den folgenden anhand von Figuren erläuterten Ausführungsbeispielen. Es zeigen:

  • Fig.1 den Längsschnitt des heckseitigen Führungsbandbereiches eines erfindungsgemäßen Geschosses, wobei sich das Betätigungselement in seiner Ruhelage befindet, und
  • Fig.2 eine Fig.1 entsprechende Ansicht, wobei sich das Betätigungselement in seiner Betätigungslage befindet.
Further details and advantages of the invention will become apparent from the following with reference to figures explained embodiments. Show it:
  • 1 shows the longitudinal section of the rear-side guide band area of a projectile according to the invention, wherein the actuating element is in its rest position, and
  • A view corresponding to Figure 1, wherein the actuating element is in its operating position.

In den Fig.1 und 2 ist mit 1 ein Geschoßkörper bezeichnet, welcher eine U-förmig ausgebildete nutenförmige Ausnehmung 2 aufweist, in welcher ein Führungsband 3 angeordnet ist. Das Führungsband 3 besteht aus einem ringförmigen überkalibrigen Dichtelement 4 aus einem verformungsfähigen Kunststoff (z.B. einem Thermoplast), dessen vordere Teil 5 mit dem Geschoßkörper 1, z.B. mittels einer Klebeverbindung, kraftschlüssig verbunden ist.In FIGS. 1 and 2, 1 denotes a projectile body which has a U-shaped groove-shaped recess 2 in which a guide belt 3 is arranged is. The guide strip 3 consists of an annular over-caliber sealing element 4 made of a deformable plastic (eg a thermoplastic), the front part 5 with the projectile body 1, for example by means of an adhesive connection, is non-positively connected.

Heckseitig umschließt das Dichtelement 4 ein axial verschiebbares Betätigungselement 6 aus einem relativ harten Material (z.B. GFK, CFK oder eine Aluminiumlegierung), welches durch die beim Abschuß auf das Geschoß wirkenden Treibladungsgase von einer Ruhelage (Fig.1) in eine durch einen Endanschlag 7 definierte Betätigungslage (Fig.2) verschiebbar ist.On the rear side, the sealing element 4 encloses an axially displaceable actuating element 6 made of a relatively hard material (eg GRP, CFRP or an aluminum alloy), which is defined by the propellant charge gases acting on the projectile during launch from a rest position (FIG. 1) into an end stop 7 Actuating position (Figure 2) is displaceable.

Das Betätigungselement 6 weist vorderseitig eine Keilfläche 8 auf, die mit einer korrespondierenden Keilfläche 9 des Dichtelementes 4 zusammenwirkt, so daß bei der axialen Verschiebung des Betätigungselementes 6 der darüber liegende Teilbereich 10 des Dichtelementes 4 wulstförmig nach außen gedrückt wird (Fig.2).The actuating element 6 has on the front side a wedge surface 8, which cooperates with a corresponding wedge surface 9 of the sealing element 4, so that during the axial displacement of the actuating element 6 of the overlying portion 10 of the sealing element 4 is pressed bead-shaped outward (Figure 2).

In der Ruhelage des Betätigungselementes 6 (Fig.1) ist zwischen dem vorderen Endbereich 11 des Betätigungselementes 6 und dem diesem Ende axial gegenüberliegenden Endbereich 7 des Dichtelementes 4 ein axialer Hohlraum 12 vorhanden, wobei die den Hohlraum 12 begrenzenden Endbereiche 7 und 11 des Betätigungselementes 6 und des Dichtelementes 4 einen axialen Abstand voneinander aufweisen, der dem maximalen Verschiebeweg des Betätigungselementes 6 entspricht.In the rest position of the actuating element 6 (Figure 1) is between the front end portion 11 of the actuating element 6 and the end axially opposite end portion 7 of the sealing element 4, an axial cavity 12 is provided, wherein the cavity 12 delimiting end portions 7 and 11 of the actuating element. 6 and the sealing element 4 have an axial distance from each other, which corresponds to the maximum displacement of the actuating element 6.

Zwischen dem Betätigungselement 6 und dem Geschoßkörper 1 sind zwei axial hintereinander angeordnete Dichtringe 13, z.B. aus Gummi, angeordnet, die verhindern, daß Treibladungsgase beim Abschuß des Geschosses in den axialen Hohlraum 12 gelangen können.Between the actuating element 6 and the projectile body 1 are two axially successively arranged sealing rings 13, e.g. made of rubber, arranged to prevent propellant charge gases can get into the axial cavity 12 during firing of the projectile.

Nachfolgend wird auf die Wirkungsweise des erfindungsgemäßen Geschosses beim Abschuß eingegangen: Dabei möge es sich bei dem Geschoß um ein großkalibriges Panzergeschoß handeln, dessen heckseitiges Führungsband 3 im geladenen Zustand des Geschosses sich noch im Übergangskonus des Ladungsraumes zum Kaliberrohr eines entsprechenden Waffenrohres befindet und die innere Oberfläche des Übergangskonus nicht berührt.The projectile will be a large-caliber tank projectile, whose rear-side guide belt 3 is still in the transition cone of the cargo space to the caliber tube of a corresponding gun barrel in the charged state of the projectile and the inner surface the transition cone is not affected.

Nach dem Zünden der entsprechenden Treibladung wirken die Treibladungsgase sowohl auf den heckseitigen Bereich des Geschosses als auch auf die heckseitige Gasdruck-Aufnahmefläche 14 des Betätigungselementes 6. Dabei wird das Betätigungselement 6 zunächst wesentlich schneller beschleunigt als das relativ schwere Geschoß, so daß die Keilfläche 8 des Betätigungselementes 6 unter die entsprechende Keilfläche 9 des Dichtelementes 4 geschoben wird. Das verformungsfähige Dichtelement 4 wird in dem Bereich oberhalb der Keilflächen 8 und 9 aufgeweitet und bildet dort einen wulstförmigen Bereich 15, der sehr schnell den Bereich zwischen Geschoß und Rohrwand gegen die Treibladungsgase abdichtet.After the ignition of the corresponding propellant charge the propellant charge gases act both on the rear-side region of the projectile and on the rear side gas pressure receiving surface 14 of the actuating element 6. The actuator 6 is first accelerated much faster than the relatively heavy projectile, so that the wedge surface 8 of the Actuator 6 is pushed under the corresponding wedge surface 9 of the sealing element 4. The deformable sealing element 4 is widened in the region above the wedge surfaces 8 and 9 and forms there a bead-shaped region 15, which very quickly seals the area between the projectile and the pipe wall against the propellant charge gases.

Gerät der wulstförmige Bereich 15 in den Kaliberbereich des Waffenrohres, wird das Betätigungselement 6 gegen den Gasdruck der Treibladungsgase in seine Ruhelage zurückgedrückt (Fig.1). Das Dichtelement dichtet jetzt mit seiner gesamten Mantelfläche ab. Der für den weiteren Abdichtungsvorgang im Kaliberrohr nicht benötigte Kunststoff des Dichtelementes 4 kann in den axialen Hohlraum 12 gedrückt werden.Device of the bead-shaped portion 15 in the caliber area of the gun barrel, the actuator 6 is pushed back against the gas pressure of the propellant charge gases in its rest position (Figure 1). The sealing element now seals with its entire lateral surface. The plastic of the sealing element 4 that is not required for the further sealing process in the caliber tube can be pressed into the axial cavity 12.

Die Erfindung ist selbstverständlich nicht auf das vorstehend beschriebene Ausführungsbeispiel beschränkt. So kann es sich beispielsweise bei Verwendung unterkalibriger Geschosse bei dem Geschoßkörper um den Mantel eines Treibkäfigs handeln, auf dem in diesem Fall das Führungsband angeordnet ist.Of course, the invention is not limited to the embodiment described above. Thus, for example, when using subcaliber projectiles, the projectile body may be the mantle of a sabot on which the guide band is arranged in this case.

Ferner braucht das ringförmige Betätigungselement nicht einteilig ausgebildet zu sein, sondern kann beispielsweise im Falle eines aus Metall bestehenden Betätigungselementes zum Einbringen in die Ausnehmung 2 auch aus zwei Halbschalen bestehen. Eine weitere Möglichkeit besteht darin, den heckseitigen Schenkel der U-förmig ausgebildeten Ausnehmung 2 entweder ganz wegzulassen oder erst nach dem Aufschieben des Führungsbandes bzw. des Betätigungselementes an dem Geschoßkörper mittels Aufschraubens oder Klebens zu befestigen.Furthermore, the annular actuator need not be integrally formed, but may for example in the case of an existing metal actuator for insertion into the recess 2 also consist of two half-shells. Another possibility is either completely omit the rear leg of the U-shaped recess 2 or to attach to the projectile body by screwing or gluing only after pushing the guide band or the actuating element.

Denkbar ist selbstverständlich auch, daß die in Fig.2 dargestellte Anordnung des Führungsbandes nach dem Laden der entsprechenden Patrone bereits vorliegt. In diesem Fall entfällt dann nach dem Abfeuern der Patrone der Aufbau des wulstförmigen Bereiches. Dieser wird dann lediglich bei der Bewegung des Geschosses in das Kaliberrohr zurückgedrückt.It is also conceivable, of course, that the arrangement of the guide band shown in Figure 2 already exists after loading the corresponding cartridge. In this case then eliminates after firing the cartridge, the structure of the bead-shaped area. This is then pushed back only during the movement of the projectile in the caliber tube.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Geschoßkörperbullet body
22
Ausnehmungrecess
33
Führungsbandguide band
44
Dichtelementsealing element
55
vordere Teilfront part
66
Betätigungselementactuator
77
Endanschlag, EndbereichEnd stop, end area
88th
Keilfläche (Betätigungselement)Wedge surface (actuator)
99
Keilfläche (Dichtelement)Wedge surface (sealing element)
1010
Teilbereichsubregion
1111
Endbereich (Betätigungselement)End area (actuating element)
1212
(axialer) Hohlraum(axial) cavity
1313
Dichtringseal
1414
Gasdruck-AufnahmeflächeGas pressure-receiving surface
1515
wulstförmiger Bereichbead-shaped area

Claims (6)

Artilleriegeschoß, insbesondere Vollkalibergeschoß, mit einem Geschoßkörper (1), auf dem ein Führungsband (3) angeordnet ist, mit den Merkmalen: a) das Führungsband (3) ist derart angeordnet, daß es im geladenen Zustand einer entsprechenden Waffe entweder teilweise in den Ladungsraum oder in den Übergangsbereich zwischen dem Ladungsraum und dem sich anschließenden Kaliberrohr der Waffe ragt; b) das Führungsband (3) umfaßt ein ringförmiges, überkalibrig ausgebildetes Dichtelement (4) aus einem verformungsfähigen Kunststoff und ein axial verschiebbares ringförmiges Betätigungselement (6) aus einem relativ harten Material, das durch die beim Abschuß auf das Geschoß wirkenden Treibladungsgase von einer Ruhelage in eine durch einen Endanschlag (7) definierte Betätigungslage verschiebbar ist, wobei das Betätigungselement (6) eine Keilfläche (8) zum Zusammenwirken mit einer korrespondierenden Keilfläche (9) des Dichtelementes (4) aufweist, so daß bei der axialen Verschiebung des Betätigungselementes (6) mindestens ein Teilbereich des Dichtelementes (4) in eine radial nach außen gerichtete Richtung gedrückt wird; c) in der Ruhelage des Betätigungselementes (6) ist zwischen dem vorderen Endbereich (11) der Keilfläche (8) des Betätigungselementes (6) und dem diesem Endbereich (11) axial gegenüberliegenden Endbereich (7) des Dichtelementes (4) ein axialer Hohlraum (12) vorhanden; d) die den axialen Hohlraum (12) begrenzenden Endbereiche (7, 11) des Betätigungselementes (6) und des Dichtelementes (4) weisen einen Abstand voneinander auf, der dem maximalen Verschiebeweg des Betätigungselementes (6) entspricht, so daß der Endbereich (7) des Dichtelementes (4) den Endanschlag des Betätigungselementes (6) bildet, und e) der Teil des Dichtelementes (4), der sich auf der dem Betätigungselement (6) abgewandten Seite an den Endanschlag (7) anschließt, ist mit dem Geschoßkörper (1) kraftschlüssig verbunden. Artillery projectile, in particular full caliber projectile, having a projectile body (1) on which a guide strip (3) is arranged, having the features: a) the guide band (3) is arranged so that it either protrudes in the charged state of a corresponding weapon in the cargo space or in the transition region between the cargo space and the subsequent caliber tube of the weapon; b) the guide band (3) comprises an annular, overcalibrig formed sealing element (4) made of a deformable plastic and an axially displaceable annular actuating element (6) made of a relatively hard material, which acts by the propellant gases acting on the projectile during firing from a rest position in an actuating position defined by an end stop (7) is displaceable, wherein the actuating element (6) has a wedge surface (8) for cooperation with a corresponding wedge surface (9) of the sealing element (4), so that during the axial displacement of the actuating element (6) at least a portion of the sealing element (4) is pressed in a radially outward direction; c) in the rest position of the actuating element (6) is between the front end region (11) of the wedge surface (8) of the actuating element (6) and said end region (11) axially opposite end portion (7) of the sealing element (4) an axial cavity ( 12) available; d) the axial cavity (12) delimiting end portions (7, 11) of the actuating element (6) and the sealing element (4) are spaced from each other, which corresponds to the maximum displacement of the actuating element (6), so that the end region (7) of the sealing element (4) forms the end stop of the actuating element (6), and e) the part of the sealing element (4) which adjoins the end stop (7) on the side facing away from the actuating element (6) is positively connected to the projectile body (1). Geschoß nach Anspruch 1, dadurch gekennzeichnet, daß das Dichtelement (4) das Betätigungselement (6) außenseitig vollständig umschließt.Projectile according to Claim 1, characterized in that the sealing element (4) completely surrounds the actuating element (6) on the outside. Geschoß nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zwischen dem Betätigungselement (6) und dem Geschoßkörper (1) mindestens ein Dichtring (13) angeordnet ist.Projectile according to Claim 1 or 2, characterized in that at least one sealing ring (13) is arranged between the actuating element (6) and the projectile body (1). Geschoß nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Führungsband (3) in einer im wesentlichen U-förmig ausgebildeten nutenförmigen Ausnehmung (2) des Geschoßkörpers (1) angeordnet ist.Projectile according to one of claims 1 to 3, characterized in that the guide strip (3) is arranged in a substantially U-shaped groove-shaped recess (2) of the projectile body (1). Geschoß nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Dichtelement (4) aus einem Thermoplast besteht.Projectile according to one of claims 1 to 4, characterized in that the sealing element (4) consists of a thermoplastic. Geschoß nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das Betätigungselement (6) aus GFK, CFK oder Aluminium besteht.Projectile according to one of claims 1 to 5, characterized in that the actuating element (6) made of GRP, CFK or aluminum.
EP05010823A 2004-07-17 2005-05-19 Artillery projectile with driving band Not-in-force EP1617167B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004034756A DE102004034756A1 (en) 2004-07-17 2004-07-17 artillery shell

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EP1617167A1 true EP1617167A1 (en) 2006-01-18
EP1617167B1 EP1617167B1 (en) 2008-01-23

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AT (1) ATE384929T1 (en)
DE (2) DE102004034756A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009004384A1 (en) * 2007-07-04 2009-01-08 Bae Systems Plc Charge mount
RU2509976C2 (en) * 2012-04-23 2014-03-20 Василий Федорович Бровкин Reworking method of rotating band of body of utilised artillery shell
EP2191222B1 (en) * 2007-09-24 2014-04-16 Rheinmetall Waffe Munition GmbH Gun barrel for launching spin-stabilized projectiles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE247038C (en) *
DE88196C (en) * 1895-10-29
DE3033042A1 (en) * 1980-09-03 1982-05-06 L'Etat Français représenté par le Délégué Général pour l'Armement, 75997 Paris SEALING ARRANGEMENT FOR AMMUNITION FOR A SMOOTH TUBE ARM
GB2170301A (en) * 1985-01-16 1986-07-30 Dynamit Nobel Ag Ammunition shell
US20030089221A1 (en) * 2000-02-09 2003-05-15 O'dwyer James Michael Sabot stripping

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE247038C (en) *
DE88196C (en) * 1895-10-29
DE3033042A1 (en) * 1980-09-03 1982-05-06 L'Etat Français représenté par le Délégué Général pour l'Armement, 75997 Paris SEALING ARRANGEMENT FOR AMMUNITION FOR A SMOOTH TUBE ARM
DE3033042C2 (en) 1980-09-03 1985-06-27 L'Etat Français représenté par le Délégué Général pour l'Armement, Paris Means for forcing during the development of a shot in ammunition for a smoothbore weapon
GB2170301A (en) * 1985-01-16 1986-07-30 Dynamit Nobel Ag Ammunition shell
US20030089221A1 (en) * 2000-02-09 2003-05-15 O'dwyer James Michael Sabot stripping

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009004384A1 (en) * 2007-07-04 2009-01-08 Bae Systems Plc Charge mount
US8127684B2 (en) 2007-07-04 2012-03-06 Bae Systems Plc Charge mount
EP2191222B1 (en) * 2007-09-24 2014-04-16 Rheinmetall Waffe Munition GmbH Gun barrel for launching spin-stabilized projectiles
RU2509976C2 (en) * 2012-04-23 2014-03-20 Василий Федорович Бровкин Reworking method of rotating band of body of utilised artillery shell

Also Published As

Publication number Publication date
ATE384929T1 (en) 2008-02-15
EP1617167B1 (en) 2008-01-23
DE102004034756A1 (en) 2006-02-02
DE502005002621D1 (en) 2008-03-13

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