EP1853872B1 - Ammunition, especially programmable high-calibre ammunition - Google Patents

Ammunition, especially programmable high-calibre ammunition Download PDF

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Publication number
EP1853872B1
EP1853872B1 EP06707195A EP06707195A EP1853872B1 EP 1853872 B1 EP1853872 B1 EP 1853872B1 EP 06707195 A EP06707195 A EP 06707195A EP 06707195 A EP06707195 A EP 06707195A EP 1853872 B1 EP1853872 B1 EP 1853872B1
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EP
European Patent Office
Prior art keywords
piston
cable
propellant charge
munition
cylinder
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EP06707195A
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German (de)
French (fr)
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EP1853872A1 (en
Inventor
Torsten Niemeyer
Joachim Kuhnle
Rainer Himmert
Wolfgang Mosig
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
RWS GmbH
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Rheinmetall Waffe Munition GmbH
RUAG Ammotec GmbH
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Publication of EP1853872A1 publication Critical patent/EP1853872A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
    • F42B5/02—Cartridges, i.e. cases with charge and missile
    • F42B5/08—Cartridges, i.e. cases with charge and missile modified for electric ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/06—Electric contact parts specially adapted for use with electric fuzes

Definitions

  • From the CH 691 143 A5 is a device for measuring the bullet velocity at the mouth of a barrel of high cadence known. After measuring the speed of the programming of the igniter takes place immediately after leaving the bullet mouth. For this type of programming, the igniter has a programming coil. A similar device describes the CH 693 248 A5 ,
  • the energy and / or data supply for the ammunition is realized via a galvanic connection line between the system electronics of the weapon and ammunition electronics ,
  • This line is located within the ammunition from the cartridge bottom to the electronics in the attic floor.
  • the line must be a laborable, continuous and firm connection.
  • parts of the line with the cartridge bottom while shot are thrown backwards out of the gun, but more parts of the line but mouth must leave the tube. This can lead to undesirable residues of the line or parts of the pipe in the pipe, which is a danger, in particular for the operation of the weapon, for example in a tank.
  • DE 44 38 157 C1 relates to a pyrotechnic separation device, the propellant charge gases act on a reactive part, which is freely longitudinally movable in a housing.
  • the active part stores the energy generated in the propellant gases and then acts exposed to the material to be cut. When severing the material, the active part releases the stored energy again.
  • the task to be solved is to design a separating device so that it is possible with it to cut through materials with greater wall thickness.
  • the invention takes on the task of making a definable separation of the continuous, plug-less line to prevent unwanted residues remain in the pipe.
  • the invention is based on the idea of incorporating a separating device with which the separation of the line takes place as early as possible. This should preferably be separated on the propellant lighter.
  • the early disconnection supports the initial entrainment of the defined severed line. As a result, cable or cable remains are taken out of the pipe to the front (driven).
  • the separator is in this case incorporated into the ammunition and consists in a preferred embodiment mainly of a guided in a tightly clamped cylinder piston with a preferably sharp edge as a cutting device, which is positioned in the unloaded state by a shearing collar.
  • the cable is preferably fixedly guided in a protective tube connected to the propellant charge lighter to the tip of the propellant lighter, to which the separator is attached, and further routed to the bullet tail of the projectile.
  • the cable is guided in the upper region of the separating device, in this case the cylinder, through a bore, preferably transverse to the direction of acceleration of the cutting device, so that when the cutting device moves forwards, the cable is separated by a sharp edge.
  • the cable can thus be routed along the first stretch of the propellant detonator and on the way down to the lower level. Since the exposed between the propellant charge lighter and the ground floor cable piece is accelerated together with the projectile forward from the tube, the separator is preferably integrated with the propellant charge.
  • a piston is provided, which is guided in a cylinder in the pressureless state by suitable measures, such as a clamped Scherbund, immovable. Only by a build-up of pressure inside the propellant charge igniter, which is caused by the ignition when firing the charged cartridge and ignites the powder bed in the course of the shot development, the piston is set in motion.
  • a separating device such as a cutting edge on the opposite surface of the pressure area of the piston, the preferably transverse to the piston cable is sheared off. This occurs at an early stage of the shot development.
  • the separation of the cable is thus coupled with the necessary pressure buildup for the shot development, which has the further advantage that the time of separation is reproducible.
  • the cable is already disconnected when the pyrotechnic materials have been ignited in the primer.
  • the components of the separator are preferably encapsulated to prevent debris from being generated by the separator itself.
  • the closed up to the time of the shot line also allows in a favorable manner a Umtemptechnik up to this time.
  • the additional components can be modified without affecting the requirements for the propellant charge igniter.
  • the interior of the propellant charge igniter can be protected, for example, by sealing rings or discs on the piston against ingress of moisture.
  • a large-caliber ammunition 100 is shown in section with the parts necessary for the explanation.
  • the ammunition 100 has a propellant charge 1, which is integrated in the drive and part of the cartridge bottom 2.
  • the propellant charge igniter 1 has a line or a cable 3, via which electrical energy and / or data are conducted to an electronic detonator 4 in the projectile 101.
  • the cable 3 is guided in a preferred embodiment firmly in a connected to the propellant charge igniter 1 protective tube 5 to the tip 6 of the propellant lighter 1 and preferably laid without further interruption from the propellant charge igniter 1 to the bullet tail 7. It can then be firmly anchored there.
  • a separating device 102 (FIG. 2) is attached to the tip 6 of the propellant charge igniter 1 (FIG. Fig. 2 ) preferably screwed onto the ignition tube 1a. This separator 102 allows the separation of the cable 3 in the area 8a.
  • the separating device 102 may consist mainly of a piston 9 guided in a fixedly clamped cylinder 8 with a sharp edge which is positioned in the unloaded state by a shearing collar 10.
  • the cable 3 is guided through a preferably lying transversely to the direction of acceleration of the piston 9 bore 8a, so that upon movement of the piston 9 forward, the cable 3 is separated by the sharp edge of the piston 9.
  • the acceleration of the piston 9 is achieved in that the piston 9 is acted upon by a through hole 14 arranged on the inside with the pending internal pressure of the propellant charge igniter 1 and the strength of the shear collar 10 is exceeded.
  • the components cylinder 8 and piston 9 are integrated into the frontally arranged screw plug 15 of the propellant charge igniter 1.
  • piston 9 and cylinder 8 are held and screwed by screwed or plugged parts such as union nut 11 and bushing 12 in the screw plug 15, so that by the parts of the separator 102 itself no residues outside of the propellant charge 1 can arise.
  • the necessary for the laboratory of the cable 3 and the components or parts necessary free space 13 can be potted if necessary with a liquid, curable material, eg. B. with epoxy resin.
  • the piston 9 is preferably made of a material having a higher strength than the material of the cable 3.
  • the piston 3 consists of a metal.
  • a function optimization on the piston 3 can be achieved by varying the shear band thickness s, the shear collar geometry and / or the edge geometry.
  • the cutting edge should preferably extend as far as possible at an acute angle w in order to effect an optimal separation ( Fig. 3 ).
  • the thickness s of the shear collar 10 can vary depending on the level of pressure inside the propellant charge launcher 1.
  • the example, round trained shear collar 10 ( Fig. 3a ) can also reduce the shear surfaces to a shape as in Fig. 3b have shown.
  • the pressurization is preferably through a bore 14 (FIG. Fig. 4 ) realized in the screw plug 15.
  • the diameter and the shape of the bore 14 (14.1, 14.2, 14.3) depend on the physical and geometric conditions at the tip 6 of the propellant charge igniter 1.
  • the bore 14.2 may also be formed in multiple stages.
  • a pyrotechnic additional charge 16 can be integrated into piston 9. This additional charge 16 is ignited by the gases in the propellant charge igniter 1 and supports the movement of the piston. 9
  • the shearing action of the shearing collar 10 can be further assisted in a suitable manner, in which an undercut 17 between the shank 10 and the piston surface is provided ( Fig. 5a ).
  • the piston 9 can have a free rotation 18 on the circumference ( Fig. 5b ).
  • sealing elements 19, 20 can be integrated.
  • An in Fig. 5c illustrated embodiment shows an O-ring seal 19 made of preferably soft material, which was integrated in the piston 9.
  • Another version is in Fig. 5d demonstrated.
  • the seal is provided by a sealing washer 20, which over the entire inner diameter of the cylinder. 8 acts and is arranged below the piston 9.
  • this seal 20 is preferably a soft material, such as plastic.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Actuator (AREA)
  • Ceramic Products (AREA)
  • Stored Programmes (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Liquid Crystal Substances (AREA)
  • Flexible Shafts (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Lubricants (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Special Conveying (AREA)

Abstract

A separating device is integrated in ammunition, with which a line is separated at the earliest possible time during a firing process. The separating device is composed mainly of a piston, which preferably has a sharp edge, is guided in a rigidly mounted cylinder, and, in the unloaded state, is positioned by a shear flange. The cable is preferably securely supported in a protective tube which is connected with a propellant charge primer, and in which the cable is guided as far as the tip of the propellant charge primer and is then further guided to the rear end of the projectile. In the upper area of the cylinder, the cable is guided through a bore, which preferably lies transversely to the direction of acceleration of the piston, so that when the piston moves forward, the cable is separated by the sharp edge of the piston.

Description

Zur Tempierung bzw. Programmierung einer Munition im Rohrwaffensystem sind verschiedene Ansätze zur Datenübertragung bekannt.For temping or programming an ammunition in the pipe weapon system various approaches to data transmission are known.

Aus der CH 691 143 A5 ist eine Vorrichtung zur Messung der Geschossgeschwindigkeit an der Mündung eines Waffenrohres hoher Kadenz bekannt. Nach Messung der Geschwindigkeit erfolgt die Programmierung des Zünders unmittelbar nach dem Verlassen der Geschossmündung. Für diese Art der Programmierung weist der Zünder eine Programmierspule auf. Eine ähnliche Vorrichtung beschreibt die CH 693 248 A5 .From the CH 691 143 A5 is a device for measuring the bullet velocity at the mouth of a barrel of high cadence known. After measuring the speed of the programming of the igniter takes place immediately after leaving the bullet mouth. For this type of programming, the igniter has a programming coil. A similar device describes the CH 693 248 A5 ,

Ein Verfahren und eine Vorrichtung zur Übertragung von Informationen auf programmierbare Geschosse sind des Weiteren in der EP 0 992 762 B1 offenbart. Auch hierbei erfolgt die Informationsübertragung induktiv. Unter Bezugnahme auf die US 5,343,795 A wird die Problematik angesprochen, dass es wichtig ist, eine Munition auch im geladenen Zustand neu tempieren zu können.A method and apparatus for transferring information to programmable projectiles are further described in U.S. Patent No. 5,376,874 EP 0 992 762 B1 disclosed. Again, the information is transmitted inductively. With reference to the US 5,343,795 A the problem is addressed that it is important to be able to re-ammunate an ammunition even when charged.

Insbesondere bei großkalibriger Munition, die für längere Zeit bevorratet gelagert wird und für eine integrierte Elektronik keine eigene Spannungs- bzw. Stromversorgung aufweist, wird die Energie- und / oder Datenversorgung für die Munition über eine galvanische Verbindungsleitung zwischen der Systemelektronik der Waffe und der Munitionselektronik realisiert. Diese Leitung befindet sich dazu innerhalb der Munition vom Patronenboden bis zur Elektronik im Fluggeschoss. Zur Informationsübertragung muss die Leitung eine laborierbare, durchgehende und feste Verbindung darstellen. Hier ergibt sich ein Problem, wenn beim Schuss Teile der Leitung mit dem Patronenboden zwar nach hinten aus der Waffe ausgeworfen werden, weitere Teile der Leitung aber mündungsseitig das Rohr verlassen müssen. Dieses kann zu unerwünschten Rückständen der Leitung oder Teile der Leitung im Rohr führen, was insbesondere für die Bedienung der Waffe, beispielsweise in einem Panzer, eine Gefahr darstellt.In particular, in large-caliber ammunition, which is stored for a long time stored and has no separate voltage or power supply for integrated electronics, the energy and / or data supply for the ammunition is realized via a galvanic connection line between the system electronics of the weapon and ammunition electronics , This line is located within the ammunition from the cartridge bottom to the electronics in the attic floor. For information transmission, the line must be a laborable, continuous and firm connection. Here is a problem when parts of the line with the cartridge bottom while shot are thrown backwards out of the gun, but more parts of the line but mouth must leave the tube. This can lead to undesirable residues of the line or parts of the pipe in the pipe, which is a danger, in particular for the operation of the weapon, for example in a tank.

In der Vergangenheit wurden neben Kabel bzw. Leitungen, die auf einer Seite fest mit dem Treibladungsanzünder und auf der anderen Seite fest mit dem Fluggeschoss verbunden waren, auch offen liegende Steckverbindungen eingesetzt, an denen eine Trennung der Leitung erfolgen soll. Nicht sichergestellt ist, dass keine Teile der Steckverbindungen im Waffenrohr verbleiben. Eine derartige Steckeinrichtung widerspiegelt sich in der US 2002108525 A , die eine Grundlage für den Oberbegriff des Anspruchs 1 bildetIn the past, in addition to cables or lines that were firmly connected on one side with the propellant charge igniter and on the other side fixed to the ground floor, also exposed plug connections are used, at which a separation of the line should take place. It is not ensured that no parts of the connectors remain in the gun barrel. Such a plug-in device is reflected in the US 2002108525 A , which forms a basis for the preamble of claim 1

DE 44 38 157 C1 betrifft eine pyrotechnische Trennvorrichtung, deren Treibladungsgase auf ein Wirkteil wirken, das in einem Gehäuse frei längs beweglich ist. Das Wirkteil speichert die in den Treibgasen erzeugte Energie und wirkt dann freiliegend auf das zu durchtrennende Material ein. Beim Durchtrennen des Materials gibt das Wirkteil die gespeicherte Energie wieder ab. Gelöst werden soll dabei die Aufgabe, eine Trennvorrichtung so zu gestalten, dass es mit ihr möglich ist, Materialien mit größerer Wandstärke zu durchtrennen. DE 44 38 157 C1 relates to a pyrotechnic separation device, the propellant charge gases act on a reactive part, which is freely longitudinally movable in a housing. The active part stores the energy generated in the propellant gases and then acts exposed to the material to be cut. When severing the material, the active part releases the stored energy again. The task to be solved is to design a separating device so that it is possible with it to cut through materials with greater wall thickness.

Hier greift die Erfindung die Aufgabe auf, eine definierbare Trennung der durchgehenden, steckerlosen Leitung vorzunehmen, um zu verhindern, dass unerwünschte Leitungsrückstände im Rohr verbleiben.Here, the invention takes on the task of making a definable separation of the continuous, plug-less line to prevent unwanted residues remain in the pipe.

Gelöst wird die Aufgabe durch die Merkmale des Patentanspruchs 1.The problem is solved by the features of claim 1.

Vorteilhafte Ausführungen sind in den Unteransprüchen aufgezeigt.Advantageous embodiments are shown in the subclaims.

Der Erfindung liegt die Idee zugrunde, eine Trennvorrichtung einzubinden, mit der zu einem möglichst frühzeitigen Zeitpunkt die Trennung der Leitung erfolgt. Diese sollte bevorzugt am Treibladungsanzünder getrennt werden. Die frühzeitige Trennung unterstützt die anfängliche Mitnahme der definiert abgetrennten Leitung. Dadurch werden Kabel- bzw. Leitungsreste nach vorne aus dem Rohr mitgenommen (getrieben).The invention is based on the idea of incorporating a separating device with which the separation of the line takes place as early as possible. This should preferably be separated on the propellant lighter. The early disconnection supports the initial entrainment of the defined severed line. As a result, cable or cable remains are taken out of the pipe to the front (driven).

Die Trennvorrichtung wird hierbei in die Munition eingebunden und besteht in einer bevorzugten Ausführung hauptsächlich aus einem in einem fest eingespannten Zylinder geführten Kolben mit bevorzugt scharfer Kante als Schneideinrichtung, der im unbelasteten Zustand durch einen Scherbund positioniert ist. Das Kabel wird vorzugsweise fest in einem mit dem Treibladungsanzünder verbundenen Schutzrohr zur Spitze des Treibladungsanzünders geführt, an der die Trennvorrichtung befestigt ist, und weiter zum Geschossheck des Geschosses verlegt. Dabei wird das Kabel im oberen Bereich der Trennvorrichtung, hier dem Zylinder, durch eine vorzugsweise quer zur Beschleunigungsrichtung der Schneideinrichtung, liegenden Bohrung geführt, so dass bei einer Bewegung der Schneideinrichtung nach vorne, das Kabel durch eine scharfe Kante getrennt wird.The separator is in this case incorporated into the ammunition and consists in a preferred embodiment mainly of a guided in a tightly clamped cylinder piston with a preferably sharp edge as a cutting device, which is positioned in the unloaded state by a shearing collar. The cable is preferably fixedly guided in a protective tube connected to the propellant charge lighter to the tip of the propellant lighter, to which the separator is attached, and further routed to the bullet tail of the projectile. In this case, the cable is guided in the upper region of the separating device, in this case the cylinder, through a bore, preferably transverse to the direction of acceleration of the cutting device, so that when the cutting device moves forwards, the cable is separated by a sharp edge.

Es hat sich als positiv gezeigt, das Kabel an bestehenden Komponenten zu befestigen. So kann das Kabel auf der ersten Strecke am Treibladungszünder und auf dem weiteren Weg am Fluggeschoss geführt werden. Da das zwischen dem Treibladungsanzünder und dem Fluggeschoss frei liegende Kabelstück zusammen mit dem Fluggeschoss nach vorne aus dem Rohr beschleunigt wird, ist die Trenneinrichtung vorzugsweise am Treibladungsanzünder eingebunden.It has been shown to be positive to attach the cable to existing components. The cable can thus be routed along the first stretch of the propellant detonator and on the way down to the lower level. Since the exposed between the propellant charge lighter and the ground floor cable piece is accelerated together with the projectile forward from the tube, the separator is preferably integrated with the propellant charge.

Zur Trennung des Kabels ist ein Kolben vorgesehen, der in einem Zylinder geführt im drucklosen Zustand durch geeignete Maßnahmen, wie beispielsweise einem eingespannten Scherbund, unbeweglich ist. Erst durch einen Druckaufbau im Innern des Treibladungsanzünders, der durch die Anzündung beim Abfeuern der geladenen Patrone entsteht und der im weiteren Verlauf der Schussentwicklung das Pulverbett anzündet, wird der Kolben in Bewegung gesetzt. Durch eine Trenneinrichtung, wie beispielsweise eine Schneidkante an der dem Druckbereich gegenüberliegenden Fläche des Kolbens wird das vorzugsweise quer zum Kolben liegende Kabel abgeschert. Dies erfolgt zu einem frühen Zeitpunkt der Schussentwicklung.To separate the cable, a piston is provided, which is guided in a cylinder in the pressureless state by suitable measures, such as a clamped Scherbund, immovable. Only by a build-up of pressure inside the propellant charge igniter, which is caused by the ignition when firing the charged cartridge and ignites the powder bed in the course of the shot development, the piston is set in motion. By a separating device, such as a cutting edge on the opposite surface of the pressure area of the piston, the preferably transverse to the piston cable is sheared off. This occurs at an early stage of the shot development.

Die Trennung des Kabels ist somit mit dem für die Schussentwicklung notwendigen Druckaufbau gekoppelt, was den weiteren Vorteil hat, dass der Zeitpunkt der Trennung reproduzierbar ist. Das Kabel wird bereits dann getrennt, wenn die pyrotechnischen Materialien im Treibladungsanzünder angezündet wurden. Die Komponenten der Trennvorrichtung sind bevorzugt gekapselt, um zu verhindern, dass Rückstände durch die Trennvorrichtung selbst entstehen können. Die bis zum Zeitpunkt des Schusses geschlossene Leitung lässt zudem in vorteilhafter Art und Weise eine Umtempierung bis zu diesem Zeitpunkt zu.The separation of the cable is thus coupled with the necessary pressure buildup for the shot development, which has the further advantage that the time of separation is reproducible. The cable is already disconnected when the pyrotechnic materials have been ignited in the primer. The components of the separator are preferably encapsulated to prevent debris from being generated by the separator itself. The closed up to the time of the shot line also allows in a favorable manner a Umtempierung up to this time.

Ein weiterer Vorteil liegt darin, dass eine einfache und kostengünstige Umrüstung möglich ist. Der für die Anzündung bekannte Aufbau des Treibladungsanzünders braucht nur geringfügig angepasst werden, wobei in einer einfachsten Variante die Lösung sich in der Verschlussschraube des Treibladungsanzünders befindet. Dadurch wird ein Einfluss auf die Anzündstrecke des Treibladungsanzünders als auch die Anzündung des Pulverbettes ausgeschlossen.Another advantage is that a simple and inexpensive conversion is possible. The known for the ignition structure of the propellant charge igniter needs to be adjusted only slightly, in a simplest variant, the solution is in the screw plug of the propellant charge igniter. As a result, an influence on the Anzündstrecke the propellant charge igniter and the ignition of the powder bed is excluded.

Durch weitere Maßnahmen können die zusätzlichen Komponenten modifiziert werden, ohne die Anforderungen an den Treibladungsanzünder zu beeinträchtigen. So kann der Innenraum des Treibladungsanzünders beispielsweise durch Dichtringe oder -scheiben am Kolben gegen eindringende Feuchtigkeit geschützt werden.By further measures, the additional components can be modified without affecting the requirements for the propellant charge igniter. Thus, the interior of the propellant charge igniter can be protected, for example, by sealing rings or discs on the piston against ingress of moisture.

Anhand eines Ausführungsbeispiels mit Zeichnung soll die Erfindung näher erläutert werden. Es zeigt:

Fig. 1
einen Ausschnitt einer Munition in einer Schnittdarstellung,
Fig. 2
eine vergrößerte Darstellung des Ausschnitts A aus Fig. 1,
Fig. 3, 3a, b
eine Darstellung eines Scherbundes der Trenneinrichtung aus Fig. 2,
Fig. 4
unterschiedliche Bohrungen zur Optimierung innerhalb der Trenneinrichtung aus Fig.2,
Fig. 5
Abdichtungen des Treibladungsanzünders aus Fig. 1.
Reference to an embodiment with drawing, the invention will be explained in more detail. It shows:
Fig. 1
a section of an ammunition in a sectional view,
Fig. 2
an enlarged view of the section A from Fig. 1 .
Fig. 3, 3a, b
an illustration of a shear collar of the separator Fig. 2 .
Fig. 4
different holes for optimization within the separator Fig.2 .
Fig. 5
Seals of the propellant charge igniter Fig. 1 ,

In Fig. 1 ist eine beispielsweise großkalibrige Munition 100 mit den für die Erläuterung notwendigen Teilen im Schnitt dargestellt. Die Munition 100 besitzt einen Treibladungsanzünder 1, der im Antrieb integriert und Teil des Patronenbodens 2 ist. Der Treibladungsanzünder 1 verfügt über eine Leitung bzw. ein Kabel 3, über welche elektrische Energie und / oder Daten zu einem elektronischen Zünder 4 im Geschoss 101 geleitet werden. Das Kabel 3 wird in einer bevorzugten Ausführung fest in einem mit dem Treibladungsanzünder 1 verbundenen Schutzrohr 5 zur Spitze 6 des Treibladungsanzünders 1 geführt und vorzugsweise ohne weitere Unterbrechung vom Treibladungsanzünder 1 zum Geschossheck 7 verlegt. Dort kann es dann fest verankert werden.In Fig. 1 For example, a large-caliber ammunition 100 is shown in section with the parts necessary for the explanation. The ammunition 100 has a propellant charge 1, which is integrated in the drive and part of the cartridge bottom 2. The propellant charge igniter 1 has a line or a cable 3, via which electrical energy and / or data are conducted to an electronic detonator 4 in the projectile 101. The cable 3 is guided in a preferred embodiment firmly in a connected to the propellant charge igniter 1 protective tube 5 to the tip 6 of the propellant lighter 1 and preferably laid without further interruption from the propellant charge igniter 1 to the bullet tail 7. It can then be firmly anchored there.

Um eine definierte Trennung des ungeschützten Kabelabschnitts 3a zu realisieren, wird an der Spitze 6 des Treibladungsanzünders 1 eine Trennvorrichtung 102 (Fig. 2) vorzugsweise auf das Anzündrohr 1a geschraubt. Diese Trennvorrichtung 102 erlaubt die Trennung des Kabels 3 im Bereich 8a.In order to realize a defined separation of the unprotected cable section 3a, a separating device 102 (FIG. 2) is attached to the tip 6 of the propellant charge igniter 1 (FIG. Fig. 2 ) preferably screwed onto the ignition tube 1a. This separator 102 allows the separation of the cable 3 in the area 8a.

In einer einfachsten Ausführung kann die Trennvorrichtung 102 hauptsächlich aus einem in einem fest eingespannten Zylinder 8 geführten Kolben 9 mit einer scharfen Kante, der im unbelasteten Zustand durch einen Scherbund 10 positioniert ist, bestehen. Im oberen Bereich des Zylinders 8 wird das Kabel 3 durch eine vorzugsweise quer zur Beschleunigungsrichtung des Kolbens 9 liegenden Bohrung 8a geführt, so dass bei einer Bewegung des Kolbens 9 nach vorne, das Kabel 3 durch die scharfe Kante des Kolbens 9 getrennt wird. Die Beschleunigung des Kolbens 9 wird dadurch erreicht, dass durch eine innenseitig angeordnete Durchgangsbohrung 14 der Kolben 9 mit dem anstehenden Innendruck des Treibladungsanzünders 1 beaufschlagt wird und die Festigkeit des Scherbundes 10 überschritten wird. Sobald im Inneren des Treibladungsanzünders 1 die für die Anzündung des Antriebes benötigte Umsetzung des Pulvers und damit ein Druckaufbau P stattfindet, wird auch die Kolbenfläche mit dem Druck beaufschlagt. Nach dem Abscheren des Scherbundes 10 treibt dieser Innendruck P den Kolben 9 mit hoher Geschwindigkeit nach vorne, wodurch die Schneidkante das Kabel durchtrennt. Nach einer so erfolgten Trennung des Kabels 3 wird die Bewegung des Kolbens 9 beispielsweise durch eine Durchmesserreduzierung im Zylinder 8 gestoppt. Den Transport des Kabels 3a in Richtung Mündung eines nicht näher dargestellten Rohres übernimmt nun das sich umsetzende Pulverbett. Das Kabel 3 ist zu diesem Zeitpunkt nicht mehr fest mit dem Treibladungsanzünder 1 verbunden.In a simplest embodiment, the separating device 102 may consist mainly of a piston 9 guided in a fixedly clamped cylinder 8 with a sharp edge which is positioned in the unloaded state by a shearing collar 10. In the upper region of the cylinder 8, the cable 3 is guided through a preferably lying transversely to the direction of acceleration of the piston 9 bore 8a, so that upon movement of the piston 9 forward, the cable 3 is separated by the sharp edge of the piston 9. The acceleration of the piston 9 is achieved in that the piston 9 is acted upon by a through hole 14 arranged on the inside with the pending internal pressure of the propellant charge igniter 1 and the strength of the shear collar 10 is exceeded. As soon as the conversion of the powder required for the ignition of the drive takes place inside the propellant charge igniter 1 and thus a pressure build-up P, the pressure is also applied to the piston surface. After shearing the shearing collar 10, this internal pressure P drives the piston 9 forward at a high speed, whereby the cutting edge cuts through the cable. After such a separation of the cable 3, the movement of the piston 9 is stopped, for example, by a reduction in diameter in the cylinder 8. The transport of the cable 3a in the direction of the mouth of a pipe not shown now takes over the translating powder bed. The cable 3 is no longer firmly connected to the propellant charge 1 at this time.

Vorzugsweise werden die Komponenten Zylinder 8 und Kolben 9 in die stirnseitig angeordnete Verschlussschraube 15 des Treibladungsanzünders 1 integriert. In der dargestellten Ausführung werden daher Kolben 9 und Zylinder 8 durch aufgeschraubte oder aufgesteckte Teile wie Überwurfmutter 11 und Buchse 12 in der Verschlussschraube 15 gehalten und damit verankert, so dass durch die Teile der Trennvorrichtung 102 selbst keine Rückstände außerhalb des Treibladungsanzünders 1 entstehen können. Die für die Laborierung des Kabels 3 und der Komponenten bzw. Teile eventuell notwendigen Freiräume 13 können bei Bedarf mit einer flüssigen, aushärtbaren Masse vergossen werden, z. B. mit Epoxidharz.Preferably, the components cylinder 8 and piston 9 are integrated into the frontally arranged screw plug 15 of the propellant charge igniter 1. In the illustrated Execution therefore piston 9 and cylinder 8 are held and screwed by screwed or plugged parts such as union nut 11 and bushing 12 in the screw plug 15, so that by the parts of the separator 102 itself no residues outside of the propellant charge 1 can arise. The necessary for the laboratory of the cable 3 and the components or parts necessary free space 13 can be potted if necessary with a liquid, curable material, eg. B. with epoxy resin.

Der Kolben 9 besteht vorzugsweise aus einem Werkstoff, der eine höhere Festigkeit als das Material des Kabels 3 aufweist. In der hier bevorzugten Ausführung besteht der Kolben 3 aus einem Metall. Eine Funktionsoptimierung am Kolben 3 kann durch Variation der Scherbunddicke s, der Scherbundgeometrie und / oder der Kantengeometrie erreicht werden. Die Schneidkante sollte bevorzugt möglichst in einem spitzen Winkel w verlaufen, um eine optimale Trennung zu bewirken (Fig. 3). Die Dicke s des Scherbundes 10 kann je nach Höhe des Druckes im Innern des Treibladungsanzünders 1 variieren. Der beispielsweise rund ausgebildete Scherbund 10 (Fig. 3a) kann durch Reduzierung der Scherflächen auch eine Form wie in Fig. 3b aufgezeigt aufweisen.The piston 9 is preferably made of a material having a higher strength than the material of the cable 3. In the preferred embodiment, the piston 3 consists of a metal. A function optimization on the piston 3 can be achieved by varying the shear band thickness s, the shear collar geometry and / or the edge geometry. The cutting edge should preferably extend as far as possible at an acute angle w in order to effect an optimal separation ( Fig. 3 ). The thickness s of the shear collar 10 can vary depending on the level of pressure inside the propellant charge launcher 1. The example, round trained shear collar 10 ( Fig. 3a ) can also reduce the shear surfaces to a shape as in Fig. 3b have shown.

Die Druckbeaufschlagung wird bevorzugt durch eine Bohrung 14 (Fig. 4) in der Verschlussschraube 15 realisiert. Der Durchmesser und die Form der Bohrung 14 (14.1, 14.2, 14.3) richten sich nach den physikalischen und geometrischen Gegebenheiten an der Spitze 6 des Treibladungsanzünders 1. Zur Vermeidung von Blockaden in der Bohrung 14 durch Teile, die beim Druckaufbau in die Bohrung 14 gelangen und den Kanal verschließen, kann die Bohrung 14.2 auch mehrstufig ausgebildet sein. Zur Unterstützung des Abschervorganges kann eine pyrotechnische Zusatzladung 16 in Kolben 9 integriert werden. Diese Zusatzladung 16 wird dabei durch die Gase im Treibladungsanzünder 1 angezündet und unterstützt die Bewegung des Kolbens 9.The pressurization is preferably through a bore 14 (FIG. Fig. 4 ) realized in the screw plug 15. The diameter and the shape of the bore 14 (14.1, 14.2, 14.3) depend on the physical and geometric conditions at the tip 6 of the propellant charge igniter 1. To avoid blockages in the bore 14 by parts that enter the bore 14 during pressure build-up and close the channel, the bore 14.2 may also be formed in multiple stages. To support the Abschervorganges a pyrotechnic additional charge 16 can be integrated into piston 9. This additional charge 16 is ignited by the gases in the propellant charge igniter 1 and supports the movement of the piston. 9

Der Abschervorgang des Scherbundes 10 kann in geeigneter Weise weiterhin unterstützend beeinflusst werden, in dem ein Freistich 17 zwischen Scherbund 10 und Kolbenfläche vorgesehen wird (Fig. 5a). Um die Bewegungsfreiheit des Kolbens 9 positiv zu unterstützen, kann der Kolben 9 über eine Freidrehung 18 am Umfang verfügen (Fig. 5b). Zur Abdichtung des Innenraumes des Treibladungsanzünders 1 und / oder als Schutz vor Feuchtigkeit können Abdichtelemente 19, 20 eingebunden werden. Eine in Fig. 5c dargestellte Ausführung zeigt eine O-Ringabdichtung 19 aus vorzugsweise weichem Material, welche im Kolben 9 integriert wurde. Eine weitere Ausführung ist in Fig. 5d aufgezeigt. Die Abdichtung wird durch eine Dichtscheibe 20 geschaffen, die über den gesamten Innendurchmesser des Zylinders 8 wirkt und unterhalb des Kolbens 9 angeordnet wird. Auch diese Abdichtung 20 ist vorzugsweise ein weiches Material, wie beispielsweise Kunststoff.The shearing action of the shearing collar 10 can be further assisted in a suitable manner, in which an undercut 17 between the shank 10 and the piston surface is provided ( Fig. 5a ). In order to support the freedom of movement of the piston 9 positively, the piston 9 can have a free rotation 18 on the circumference ( Fig. 5b ). For sealing the interior of the propellant charge igniter 1 and / or as protection against moisture, sealing elements 19, 20 can be integrated. An in Fig. 5c illustrated embodiment shows an O-ring seal 19 made of preferably soft material, which was integrated in the piston 9. Another version is in Fig. 5d demonstrated. The seal is provided by a sealing washer 20, which over the entire inner diameter of the cylinder. 8 acts and is arranged below the piston 9. Also, this seal 20 is preferably a soft material, such as plastic.

Claims (12)

  1. Munition, in particular a programmable large-calibre munition (100), having at least one propellant charge initiator (1), which is integrated in the drive, with the propellant charge initiator (1) having a line or a cable (3) via which electrical power and/or data are/is passed to an electronic fuze (4) in the projectile (101) as part of the munition (100), characterized in that a cutting apparatus (102) for cutting the cable (3) is included at a tip (6) of the propellant charge initiator (1).
  2. Munition according to Claim 1, characterized in that the cable (3) is passed to the tip (6) of the propellant charge initiator (1), fixed in a protective tube (5) which is connected to the propellant charge initiator (1), and is then routed to a projectile tail (7) where, for example, it is firmly anchored.
  3. Munition according to Claim 1 or 2, characterized in that the cutting apparatus (102) is screwed to the initiation tube (1a).
  4. Munition according to one of the abovementioned claims, characterized in that the cutting apparatus (102) mainly comprises a piston (9) which is guided in a firmly clamped-in cylinder (8) and has a preferably sharp edge.
  5. Munition according to Claim 4, characterized in that the piston (9) is positioned by means of a shear collar (10) in the unloaded state.
  6. Munition according to one of the abovementioned Claims 4, 5, characterized in that the cable (3) is passed in the upper area of the cylinder (8) through a hole (8a), which is preferably located transversely with respect to the acceleration direction of the piston (9), such that, when the piston (9) moves forwards, the cable (3) is cut by the sharp edge of the piston (9).
  7. Munition according to Claim 5, characterized in that the applied internal pressure of the propellant charge initiator (1) is applied to the piston (9) through an internally arranged through-hole (14), exceeding the strength of the shear collar (10).
  8. Munition according to one of Claims 4 to 7, characterized in that the movement of the piston (9) is stopped by a reduction in the diameter of the cylinder (8).
  9. Munition according to one of Claims 4 to 8, characterized in that the cylinder (8) and the piston (9) are integrated in the closure screw (15), which is arranged at the end, of the propellant charge initiator (1).
  10. Munition according to Claim 9, characterized in that the piston (9) and the cylinder (8) are held, and therefore anchored, by parts which are screwed on or plugged on, such as a union nut (11) and bushes (12), in the closure screw (15).
  11. Munition according to Claim 1, characterized in that free spaces (13), which are provided for prefabrication of the cable (3) and of the cutting apparatus (102), can be encapsulated with a liquid, curable compound, if required.
  12. Munition according to one of the abovementioned claims, characterized in that sealing elements (19, 20), which are incorporated in or under the piston (9), are incorporated in order to seal the interior of the propellant charge initiator (1) and/or as protection against moisture.
EP06707195A 2005-03-02 2006-02-23 Ammunition, especially programmable high-calibre ammunition Active EP1853872B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005010125A DE102005010125A1 (en) 2005-03-02 2005-03-02 Ammunition, in particular programmable large caliber ammunition
PCT/EP2006/001636 WO2006092231A1 (en) 2005-03-02 2006-02-23 Ammunition, especially programmable high-calibre ammunition

Publications (2)

Publication Number Publication Date
EP1853872A1 EP1853872A1 (en) 2007-11-14
EP1853872B1 true EP1853872B1 (en) 2009-12-02

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US (1) US7475625B1 (en)
EP (1) EP1853872B1 (en)
JP (1) JP4842977B2 (en)
AT (1) ATE450777T1 (en)
AU (1) AU2006220032B2 (en)
CA (1) CA2598844C (en)
DE (2) DE102005010125A1 (en)
ES (1) ES2337721T3 (en)
IL (1) IL185629A (en)
NO (1) NO337539B1 (en)
WO (1) WO2006092231A1 (en)

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US9021960B1 (en) * 2013-06-06 2015-05-05 The United States Of America As Represented By The Secretary Of The Army Isolated coaxial high-pressure feed-through fitting
DE102017113857A1 (en) 2017-06-22 2018-12-27 Rheinmetall Waffe Munition Gmbh cutter

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IL185629A (en) 2012-03-29
ES2337721T3 (en) 2010-04-28
DE102005010125A1 (en) 2006-09-07
ATE450777T1 (en) 2009-12-15
US7475625B1 (en) 2009-01-13
JP2008531970A (en) 2008-08-14
AU2006220032B2 (en) 2011-12-08
AU2006220032A1 (en) 2006-09-08
EP1853872A1 (en) 2007-11-14
WO2006092231A1 (en) 2006-09-08
CA2598844A1 (en) 2006-09-08
NO337539B1 (en) 2016-05-02
NO20073989L (en) 2007-08-28
US20080314235A1 (en) 2008-12-25
IL185629A0 (en) 2008-01-06
JP4842977B2 (en) 2011-12-21
CA2598844C (en) 2009-10-06
DE502006005508D1 (en) 2010-01-14

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