EP3861278B1 - Method and device for removing an explosive substance from a large-size weapon - Google Patents
Method and device for removing an explosive substance from a large-size weapon Download PDFInfo
- Publication number
- EP3861278B1 EP3861278B1 EP19805952.9A EP19805952A EP3861278B1 EP 3861278 B1 EP3861278 B1 EP 3861278B1 EP 19805952 A EP19805952 A EP 19805952A EP 3861278 B1 EP3861278 B1 EP 3861278B1
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- EP
- European Patent Office
- Prior art keywords
- explosive
- casing
- induction coil
- receiving space
- ordnance
- 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.)
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Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
- F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
Definitions
- the present invention relates to a method for deploying an explosive from a large-scale warfare device in the form of a drop munition or the like, and a device for its implementation.
- the term "large-scale ordnance” is also used for missiles, ground mines or torpedoes in addition to dropped ammunition. All of these weapons are characterized by an elongated and usually longitudinally symmetrical shape, despite their large mass and high content of explosives. To a certain extent, all of the above-mentioned forms of ordnance can also be dropped in the course of combat operations, so that the terms “large-format ordnance” and “dropped munitions” are also used synonymously in the following.
- a method with a device to minimize the risk to people and material and to reduce costs is, for example, in DE 101 29 016 A1 disclosed.
- the pieces of the cut up munitions are then inductively heated in a temperature-controlled water bath or dry in an oven to such an extent that a block of explosive is at least partially melted in a contact area with the casing and the block of explosive is pulled out of the casing in the direction of the largest cross-section slip or be ejected under the influence of gravity.
- auxiliaries such as water or steam, could thus be avoided.
- the object of the present invention is to further develop a known device in order to create a corresponding method while opening up further cost and efficiency potentials with increased safety and simplified handling of large-scale ordnance.
- a large-format warfare device that can hardly be safely handled due to its size and mass of explosive is thus cut into at least two parts. These parts are still comparatively large compared to grenades and are controlled by an induction coil on the metal casing insofar as it is heated by induced currents in a targeted manner and by control based on monitoring the induction process, so that an adjacent explosive is softened to such an extent that the explosive can be brought out of the casing through an opening and into a receiving space in a defined manner.
- the method thus aims to ensure that only a thin layer of the explosive is put into a slippery state in order to be able to separate or detach the explosive from an inner wall of the casing under the influence of gravity.
- a new type of heating is achieved by inductively induced heating of a boundary layer of the explosive in a point, line or limited to a smaller area of the casing with the aim of sufficient thermal softening of the explosive in contact with the casing via this boundary layer suggested.
- a phlegmatizer e.g. paraffin, creatine or similar
- the at least softened explosive is no longer allowed to slip out of the open envelope or fall down in an uncontrolled manner, but in particular to avoid impact effects or vibrations defined in spent a recording room.
- a defined movement is understood to mean, in particular, transport that is as largely free of vibrations as possible.
- An impact on the explosive is thus excluded according to the invention. It has been recognized as important, particularly in the case of dropping ammunition, to take measures against as far as possible any type of mechanical stress on the explosive, since, for example, signs of aging and/or chemical changes may have caused mechanical and/or chemical instability of the explosive. A conversion of the explosive could be caused by indefinable mechanical stresses.
- a device for deploying explosives from a casing of a large-format weapon, in particular a dropping ammunition is a solution to the above-mentioned object, the device comprising a device which is provided with a recess and is arranged in a receiving space adapted to the explosive, and which Device for fixing recording a section of a munition is formed, and a robotic arm with an induction coil, which is designed for contactless driving over a surface of the section and defined transfer of the removed explosives in a receiving space.
- the device described does without a closed induction furnace and thus has a very compact design with increased efficiency and operational reliability.
- a core of such a device is the concentration on an essentially linear or small-area inductive heating zone on the cover, which is moved superficially over the cover of the relevant section by the positioning unit formed by the robot arm.
- Such an induction device weighs less overall than an inductive heating furnace enclosing the ordnance, which as a rule has to be manufactured and made available to suit any type of large-scale ordnance.
- a solution according to the invention also has the advantage of a simple device that can basically be flexibly adapted to any design of large-format munitions of comparatively small dimensions and reduced weight.
- various designs of inductors with diameters that differ from one another are provided, which can be quickly exchanged on the robot arm.
- Such a device can be designed as a transportable unit and can be moved to almost any location with little effort.
- a further core of the device according to the invention lies in the fact that specific means are provided here for the defined transfer of the explosive, since a lowering plate arranged in the recess in an initial state is used for the defined transfer of the explosive into the receiving space.
- the explosive is thus in a starting position with a cut surface that is essentially perpendicular to the lowering plate.
- This safety means advantageously fits seamlessly into a holding device for a section of a weapon without being able to disrupt a heating process.
- an increase in a weight force acting on the lowering plate which is caused by detachment of the explosive from the radial fixed casing is caused as a control variable for the defined careful lowering of the lowering plate into the receiving space be used. Vibrations caused by the explosive even falling and the associated dangers of any impact are thus effectively avoided. This significantly increases the operational reliability of a device.
- the opening of the section resulting from the cutting plane is held with its symmetry or center axis parallel to the direction of gravity above the recess in the device and above the receiving space, i.e. plumb or perpendicular. This means that the explosive can be released vertically from the casing due to its weight purely under the effect of gravity.
- a transition of the casing into a cylindrical section with maximum diameter is selected as the separating plane, so that larger undercuts in an interior of the casing are avoided, which could impede or delay an early slipping out of the explosive contained therein.
- two parting planes are used to form three sections of a munition.
- a munition regularly has a cylindrical section and two frustoconical sections of the end regions of significantly reduced weight, which are treated in an adapted manner to remove the explosive contained in each case.
- an induction coil adapted to a particular type of munitions and type of section is used. This is an optimal adaptation to a particular shape of a section of the casing with minimizing a distance of a particular induction coil to a surface of the casing for intensification and optimization of the effect of magnetic induction. Such an adjustment can also be realized from an electrical point of view by means of these exchangeable induction coils.
- an induction coil is used to be introduced linearly into a receptacle for a detonator.
- This method step achieves targeted inductive heating of the receptacles, which otherwise could only be heated insufficiently in the course of the above-described use of an induction coil adapted to a metallic shell. This could prevent the contained explosive from being removed.
- the at least one induction coil is positioned using a robotic arm. Any point on an outer contour of the respective casing can be reached quickly, contact-free and precisely using a robot arm with two or three axes.
- robot arms are already widely available on the market today in the described requirements of adapted size and mechanical strength with corresponding control and regulation devices.
- Guidance of the induction coil is preferably monitored and regulated via a camera. As a result, the induction coil can be moved over the casing in a non-contact manner and at the smallest possible distance, following a respective outer contour. In this way, inductive heating and also the use of electrical energy can be optimized. This regulation also makes it possible, in the event of a deformation of the casing, to intensify or increase inductive heating to such an extent that the explosive is prevented from becoming jammed in the casing of the section of the munitions.
- a respective surface temperature is recorded using thermal or thermal imaging sensors. This means that a temperature can be measured quickly and without contact from a safe distance. Driving over in particular insufficiently heated regions can thus be repeated until a target value of the section is reached.
- a sensor system is advantageously provided which reliably prevents a critical temperature from being reached or even exceeded by switching off the inductive heating in good time. Overheating with the risk of the explosive being converted is thus reliably prevented.
- the device according to the invention for deploying an explosive from a casing of a large-sized ordnance, such as dropping ammunition has a robot arm with an induction coil and means for the defined transfer of the explosive from the casing into the receiving space.
- the means for the defined placement of the explosive are designed as a lowering plate which corresponds to the recess in the device and which can be lowered into the receiving space.
- the device preferably has radially displaceable clamping jaws for fixing a respective section of the ordnance.
- the clamping jaws release an opening through which the explosive can slide out of the casing under defined guidance into a collecting chamber, also purely under the effect of gravity.
- the explosive is thus released from the casing and, standing on the lowering plate, is lowered in a defined, slow and vibration-free manner in the direction of gravity into the receiving space.
- the receiving space is lined with a packaging material for enclosing the explosive. Direct packaging of the explosive in the receiving space reduces, among other things, the risk that solid or liquefied components of the explosive can escape into the environment.
- figure 1 shows a sectional view of a weapon 1, which is designed to be rotationally symmetrical about a central axis M.
- a tail assembly L which is fixed to a metallic casing 2 by fastening screws, with support plates, a wind turbine and other mechanical components have already been dismantled here, as indicated by the dashed lines.
- suspension eyes A are previously removed from the casing 2 of the ordnance 1.
- the detonators D and, for example, transfer charges filled with the initiating explosive Tetryl have also already been removed from the remaining ordnance 1, so that an explosive 3 made of a TNT mixture in a casing 2 still has holders for a detonator and sockets for a transfer charge from the environment is separated.
- the casing 2 comprises a cylindrical section 4 with a maximum diameter of 38 cm to approx. At transition points of the cylindrical section 4 in the truncated cone-shaped end areas 5 are in figure 1 two cutting planes S indicated. Since the explosive 3 is separated from the environment by the holder for the detonators D and the subsequent sockets 2a for transfer charges, a cut alone is generally not sufficient to allow the explosive 3 to slip out of the casing 2 after it has softened sufficiently. An additional ventilation opening might be necessary for this. However, this additional ventilation opening can be formed, for example, by removing a bushing 2a lying opposite the sectional plane S.
- figure 2 represents steps of an embodiment of a method in a three-dimensional representation based on the weapon 1 from figure 1 in an embodiment of a device V.
- the cylindrical section 4 is placed perpendicularly on a device 6 and fixed in such a way that the central and symmetrical axis of this section 4 is in the center of the device 6.
- 3 to 4 radially displaceable clamping jaws 7 are provided on the device 6, which is designed as a plate. These clamping jaws 7 are designed in such a way that the opening of the cylindrical section 4 lying in the sectional plane S can be fixed in a centered manner in the device 6 .
- the device V also includes a robot arm 8 with an induction coil 9.
- the robot arm 8 is designed to travel over a surface of the section 5 without contact.
- a control of the robot arm 8 always regulates a sufficient distance of the induction coil 9 to a surface of the respective casing 2 and also compensates for any out-of-roundness or an axis offset, i.e. an offset of the central axis M in relation to a central axis of the device 6 or an angular deviation by a Slightly tilted insertion of the section to be treated in the Device 6.
- the robot arm 8 in the present exemplary embodiment has at least three axes, with today's standard robots generally being designed as 6-axis robots.
- robot arms 8 of other designs adapted to a particular application can be provided, such as a 2-axis robot arm 8 with a linear sliding bearing, or a robot arm 8 with a curved instead of linearly displaceable partial arm.
- weight and installation space can be saved, which can be important, for example, when designing a device V as a mobile system that can be used, for example, at different locations.
- the induction coil 9 fed with a high-frequency current HF is guided by the robot arm 8 at the smallest possible distance d over the surface of the metallic casing 2 of section 4 under surveillance by a camera device not shown in detail.
- a current of approx. 60 A flows through the induction coil 9 at a voltage of approx. 100 V and a frequency of approx is adjustable.
- Heating of the induction coil 9 itself which is designed as a copper tube with a closed rectangular cross-section, is sufficiently counteracted by water cooling in a manner that is not shown in more detail, without heating of the casing 3 being noticeably impaired as a result.
- a uniform displacement of the induction coil 9 thus generates an in figure 2 indicated path over the surface of the envelope 2.
- the surface of the envelope 2 can be run through several times completely or only in sections in order to ensure sufficient heating at every point.
- a corresponding activation of the robot arm 8 takes place in that a respective surface temperature is recorded via thermal imaging sensors (not shown in detail) and driving over in particular insufficiently heated regions is repeated until a target value is reached, for example with corresponding rotation of section 4 by the induction coil 9 on the robot arm 8 .
- This method is independent of the size and external shape of a respective section of a weapon and can be carried out in a correspondingly easily and flexibly adaptable manner.
- the aim of this method is to achieve the most uniform possible heating of the metallic casing 2 of section 4, which has the effect of softening the explosive 3 or phlegmatizer adjoining the casing 2 and thus releasing the explosive 3 from the casing 2 of gravity.
- induction coils 9 adapted to a respective type of munitions 1 and type of section 4, 5 are used.
- a high-frequency current HF is also adjusted accordingly by the induction coil 9 .
- the cylindrical section 4 is fixed in the device 6 in such a way that it is arranged vertically above a recess 10 .
- the explosive 3 adjoining the casing 2 is softened to such an extent that the explosive 3 is already under the action of gravity out of the casing 2 and through the recess 10 into an area only indicated here
- Receiving space 11 slides into it in order to be brought into the receiving space 11 in a defined and, in particular, vibration-free manner. Further processing then takes place there, in particular packaging for safe onward transport, as will be described below with reference to the drawing.
- FIG 3 shows a sectional view in a plane III-III of FIG figure 2 , to indicate possible configurations of the induction coil 9.
- an induction coil 9 in this embodiment does not necessarily form a closed loop around a cut surface of the ordnance 1 with a slightly larger diameter to ensure a minimum distance for an air gap between the induction coil 9 and the metal casing 2 of the ordnance 1.
- the alternating magnetic field B of this induction coil 9 is essentially perpendicular to the outer surface of the metallic casing 2 over the distance d between the casing 2 and the induction coil 9.
- the induction coil 9 encloses only one arc of a narrow circle segment, as shown by an angle ⁇ in figure 3 implied. This angle ⁇ is between about 30° and 360°, preferably 180°. Smaller angles ⁇ are better suited for using an induction coil 9 over other areas of the maximum diameter DM of sections 4, 5.
- figure 4 shows as a sectional representation analogous to the representation of figure 2 Details of a means for the defined transfer of the explosive substance 3 from a casing 2 into the receiving space 11 provided under the device 6. Accordingly, this means is designed as a lowering plate 12 that corresponds to the recess 10 of the device 6 and can be moved into the receiving space 11.
- FIG. 4 The detonator receptacle in the form of a bushing 2a, shown as an example on a section of a truncated cone-shaped end region 5, regularly creates a defect for the above-described inductive heating of the metallic casing 2 of the munitions 1.
- the metallic material can not be sufficiently heated here by the induced eddy currents, which leads to a disability in terms the desired sliding out of the explosive 3 from the casing 2 can result. Therefore in figure 4 a separate induction coil 9a is indicated, which is provided specifically for heating the receptacle or bushing 2a.
- this separate induction coil 9a is positioned and guided together with the actual induction coil 9 by the robot arm 8, or this induction coil 9a must be inserted into the relevant socket 2a in a separate process step for inductive heating.
- This separate process step can precede or follow an inductive heating of the rest of the casing 2, especially since there is an additional expenditure of time due to the small dimensions of one or more bushings 2a compared to the rest of the casing 2, with all the positioning effort and switching to the induction coil 9a of a total process time is hardly significant.
- the explosive 3 When the explosive 3 is sufficiently thermally softened in contact with the casing 2, the explosive 3 falls out of the fixed casing 2 onto the lowering plate 12.
- a weight force acting on the lowering plate 12 increases, which in this exemplary embodiment represents a signal for control slowly lower the lowering plate 12 into the receiving space 11 .
- a packaging material 13 is provided beyond the receiving space 11 and the lowering plate 12 , in which the explosive 3 is automatically wrapped in the course of lowering into the receiving space 11 .
- This packaging material 13 can be closed in a simple manner from the moment when the explosive 3 has been completely removed from the casing 2 .
- the environment is thus protected by the packaging material 13 here in the form of a plastic film from the influence of the explosive 3 in the sense that no solid or liquefied parts thereof are lost or can contaminate the environment in any other way.
- the device V described above is characterized in relation to the large-format ordnance 1 that can be treated in this way by a significantly lower weight compared to the prior art, lower energy consumption and a more efficient and safer handling of the explosive 3 to be removed from a respective casing 2 due to the shorter process time up into the receiving space 11 .
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Description
Die vorliegende Erfindung betrifft ein Verfahren zum Ausbringen eines Explosivstoffs aus einem großformatigen Kampfmittel in Form einer Abwurfmunition o.ä., und eine Vorrichtung zu dessen Umsetzung.The present invention relates to a method for deploying an explosive from a large-scale warfare device in the form of a drop munition or the like, and a device for its implementation.
Im Rahmen der vorliegenden Erfindung von dem Begriff der "großformatigen Kampfmittel" über Abwurfmunition hinaus auch für Raketen, Grundminen oder Torpedos verwendet. Alle diese Kampfmittel zeichnen sich bei großer Masse und einem hohen Gehalt von darin enthaltenen Explosivstoffen durch eine längliche und i.d.R. längssymmetrische Form aus. In gewisser Weise können alle der vorstehend genannten Formen von Kampfmitteln im Zuge von Kampfhandlungen auch abgeworfen werden, so dass nachfolgend die Begriffe "großformatiges Kampfmittel" und "Abwurfmunition" auch synonym verwendet werden.Within the scope of the present invention, the term "large-scale ordnance" is also used for missiles, ground mines or torpedoes in addition to dropped ammunition. All of these weapons are characterized by an elongated and usually longitudinally symmetrical shape, despite their large mass and high content of explosives. To a certain extent, all of the above-mentioned forms of ordnance can also be dropped in the course of combat operations, so that the terms "large-format ordnance" and "dropped munitions" are also used synonymously in the following.
Aus dem Stand der Technik sind diverse Ansätze zum Ausbringen eines Explosivstoffs aus einem großformatigen Kampfmittel im Zuge einer Delaborierung zur vollständigen Kampfmittelbeseitigung bekannt. Aufgrund der mit ca. 60°C bis etwa 85°C vergleichsweise niedrigen Schmelzpunkte sind bekannte Explosivstoffe anfänglich durch Erwärmen der Kampfmittel in einem Wasserbad oder durch Wasserdampf verflüssigt und nachfolgend aus einer metallischen Umhüllung des geöffneten Kampfmittels ausgetragen bzw. ausgegossen worden.Various approaches for releasing an explosive from a large-scale ordnance in the course of a dismantling for the complete disposal of the ordnance are known from the prior art. Due to the comparatively low melting points of approx. 60°C to approx. 85°C, known explosives are initially liquefied by heating the munitions in a water bath or by steam and then being discharged or poured out of a metallic casing of the opened munitions.
Ein Verfahren mit einer Vorrichtung zur Minimierung der Gefährdung von Menschen und Material sowie zur Senkung der Kosten ist z.B. in der
Aus der
- * Bilden einer ausreichend großen Öffnung durch Auftrennen an einem Ende der metallischen Umhüllung des Kampfmittels, z.B. durch Entfernen eines Bodens;
- * Entlüften des gegenüberliegenden Endes der Umhüllung,
- * Aufhängen der Umhüllung an dem gegenüberliegenden Ende und
- * Erwärmen der Umhüllung durch Leiten eines hochfrequenten Wechselstroms durch eine die Umhüllung nach Art eines Ofens umgebende Induktionsspule,
- * wobei der Umhüllung Wärme zugeführt wird, um das explosive Material soweit zu erweichen, dass es unter der Wirkung der Schwerkraft aus der Umhüllung herausfällt.
- * creating a sufficiently large opening by severing at one end of the metallic casing of the ordnance, eg by removing a bottom;
- * venting the opposite end of the wrap,
- * Hanging the wrapper on the opposite end and
- * heating the envelope by passing a high frequency alternating current through an induction coil surrounding the envelope in the manner of a furnace,
- * wherein heat is applied to the casing to soften the explosive material sufficiently to allow it to fall out of the casing under the action of gravity.
Bekannte Ansätze sind augenscheinlich nur für Kampfmittel in Form von Granaten kleinerer Kaliber konzipiert worden. Granaten weisen ein gegenüber Abwurfmunition vergleichsweise geringes Gewicht bei kleinerem Kaliber auf und enthalten auch deutlich geringere Mengen an explosiven Materialien. Schon von daher sind die Ansätze für eine Anwendung auf großformatige Kampfmittel, wie insbesondere Abwurfmunition, wenig geeignet. Für die Beseitigung großformatiger Abwurfmunition wird heute nach einer Entschärfung regelmäßig ein mechanisches Zersägen des auch mehr als 1 m langen Kampfmittels mit ca. 12 bis zu über 20 Schnitten vorgesehen, üblicherweise unter Verwendung einer Bandsäge. So werden mit einem Explosivstoff gefüllte Scheiben als Abschnitte der Umhüllung erhalten, die in einzelnen Portionen unter Einhaltung maximaler Abmessungen und einer Höchstfüllmenge in einem Hochtemperaturofen thermisch entsorgt werden können. Dieser Vorgang ist unter genauer Beachtung von Gefahrgut- und Umweltschutzvorgaben durchzuführen. Ein solcher Prozess einer Beseitigung kann schon für das Zerschneiden etwa zwei bis drei Tage in Anspruch nehmen. Ein bekannter Hochtemperaturofen benötigt schon aufgrund von restriktiven Mengenbeschränkungen auf ca. 1 kg Explosivstoff je Brennvorgang für die anschließende Verbrennung mit Nachbehandlung der Abgase ca. 1 Woche. Alternativ dazu werden aber auch heute Kampfmittel nach ihrer Entschärfung einfach gesprengt, ohne dass dabei besondere Umweltschutzauflagen eingehalten werden könnten. Gemäß der Lehre der
Die vorliegende Erfindung hat die Aufgabe, eine bekannte Vorrichtung weiterzubilden, um damit auch ein entsprechendes Verfahren unter Erschließung weiterer Kosten- und Effizienz-Potentiale bei erhöhter Sicherheit und vereinfachter Handhabung großformatiger Kampfmittel zu schaffen.The object of the present invention is to further develop a known device in order to create a corresponding method while opening up further cost and efficiency potentials with increased safety and simplified handling of large-scale ordnance.
Diese Aufgabe wird erfindungsgemäß durch die Schritte des Verfahrens von Anspruch 1 und durch die Merkmale der Vorrichtung von Anspruch 11 gelöst. Die Erfindung betrifft ein Verfahren zum Ausbringen eines Explosivstoffs oder einer Mischung mehrerer Explosivstoffe aus einer Umhüllung eines großformatigen Kampfmittels, insbesondere einer Abwurfmunition, mit Auftrennen der Umhüllung in einem Bereich eines maximalen Durchmessers, wobei das Kampfmittel an einem Übergang in einen zylindrischen Abschnitt geschnitten und die eine sich ergebende Öffnung des Abschnitts über einem Aufnahmeraum in einer Einrichtung gehalten wird, die eine Ausnehmung aufweist, wobei die Umhüllung des Abschnitts von einer Induktionsspule überfahren und eine induktive Erwärmung überwacht wird, um den Explosivstoff zum Ausbringen aus der metallischen Umhüllung ausreichend thermisch zu erweichen und durch die Ausnehmung hindurch definiert in den Aufnahmeraum zu verbringen. Ein erfindungsgemäßes Verfahren umfasst demnach über ein Zerteilen des Kampfmittels in einem Bereich eines maximalen Durchmessers hinaus folgende Schritte:
- Schneiden des Kampfmittels an einem Übergang in einen zylindrischen Abschnitt;
- Fixieren des sich so ergebenden Abschnitts senkrecht mit einer nach unten hin orientierten Öffnung bzw. Schnittfläche in einer eine Ausnehmung aufweisenden Einrichtung über einem Aufnahmeraum;
- Überfahren einer Induktionsspule zum überwachten thermischen Erweichen des in Kontakt mit der metallischen Umhüllung stehenden Explosivstoffs durch induktive Erwärmung soweit, dass es zum Ausbringen des Explosivstoffs aus der Umhüllung ausreichend ist und
- ein mittels eines in einem Ausgangszustand in der Ausnehmung angeordneten Absenktellers definiertes und daher erschütterungsfreies Verbringen des Explosivstoffs durch die Ausnehmung hindurch in den Aufnahmeraum unter Einwirkung der Schwerkraft.
- cutting the ordnance at a transition into a cylindrical section;
- fixing the resultant section perpendicularly with a downwardly oriented opening or cut surface in a recessed device over a receiving space;
- Passing over an induction coil for the monitored thermal softening of the explosive in contact with the metal casing by inductive heating to such an extent that it is sufficient to release the explosive from the casing and
- a defined and therefore vibration-free movement of the explosive through the recess into the receiving space under the influence of gravity by means of a lowering plate arranged in the recess in an initial state.
Damit wird ein von seiner Größe und Masse an Explosivstoff her kaum sicher handhabbares großformatiges Kampfmittel erfindungsgemäß in mindestens zwei Teile geschnitten. Diese Teile sind gegenüber Granaten weiterhin vergleichsweise groß und werden von einer Induktionsspule an der metallischen Umhüllung soweit gezielt und durch eine auf einer Überwachung des Induktionsverfahrens aufbauenden Regelung durch induzierte Ströme erwärmt, so dass ein angrenzender Explosivstoff soweit erweicht wird, dass der Explosivstoff durch eine Öffnung hin aus der Umhüllung heraus definiert in einen Aufnahmeraum verbracht werden kann. Das Verfahren zielt also durch das Erweichen darauf ab, dass nur eine dünne Schicht das Explosivstoffs in einen gleitfähigen Zustand versetzt wird, um den Explosivstoff von einer Innenwandung der Umhüllung unter Einwirkung der Schwerkraft trennen bzw. lösen zu können.According to the invention, a large-format warfare device that can hardly be safely handled due to its size and mass of explosive is thus cut into at least two parts. These parts are still comparatively large compared to grenades and are controlled by an induction coil on the metal casing insofar as it is heated by induced currents in a targeted manner and by control based on monitoring the induction process, so that an adjacent explosive is softened to such an extent that the explosive can be brought out of the casing through an opening and into a receiving space in a defined manner. By softening, the method thus aims to ensure that only a thin layer of the explosive is put into a slippery state in order to be able to separate or detach the explosive from an inner wall of the casing under the influence of gravity.
Eine neuartige Art der Erwärmung wird durch eine punkt-, linien- oder auf einen kleineren Bereich der Umhüllung beschränkte, induktiv bewirkte Erwärmung einer Grenzschicht des Explosivstoffs über die Umhüllung mit dem Ziel einer ausreichenden thermischen Erweichung des über diese Grenzschicht in Kontakt mit der Umhüllung stehenden Explosivstoffs vorgeschlagen. Aufgrund einer generell guten Wärmeleitfähigkeit der i.d.R. aus einem Eisenmaterial bestehenden Umhüllung des Kampfmittels kann schon nach einem Zyklus mit einem mehr oder weniger vollständigen Überfahren der Umhüllung durch einen nachfolgend noch konkret anhand von Ausführungsbeispielen beschriebenen Induktors eine deutliche und recht homogene Erwärmung der Umhüllung erzielt werden, die eine thermische Erweichung des an die Umhüllung angrenzenden Explosivstoffs hervorruft. Sollte zwischen der Umhüllung und dem Explosivstoff in der Grenzschicht ein Phlegmatisator, z.B. Paraffin, Kreatin o.ä., verwendet worden sein, so erweicht sich auch dieser in dem genannten Temperaturfenster ausreichend.A new type of heating is achieved by inductively induced heating of a boundary layer of the explosive in a point, line or limited to a smaller area of the casing with the aim of sufficient thermal softening of the explosive in contact with the casing via this boundary layer suggested. Due to the generally good thermal conductivity of the munitions casing, which is usually made of iron material, a clear and quite homogeneous heating of the casing can be achieved after just one cycle with a more or less complete overrun of the casing by an inductor described below with reference to exemplary embodiments thermal softening of the explosive adjacent to the casing. If a phlegmatizer, e.g. paraffin, creatine or similar, has been used in the boundary layer between the casing and the explosive, it will also soften sufficiently in the temperature range mentioned.
Zudem wird der zumindest erweichte Explosivstoff nicht mehr aus der geöffneten Umhüllung unkontrolliert herausrutschen oder herunterfallen gelassen, sondern insbesondere zur Vermeidung von Schlageinwirkungen oder Erschütterungen definiert in einen Aufnahmeraum verbracht. Unter einer definierten Verbringung wird im Rahmen dieser Erfindung insbesondere ein so weitgehend als möglich von Erschütterungen freier Transport verstanden. Eine Schlageinwirkung auf den Explosivstoff ist damit erfindungsgemäß ausgeschlossen. Es ist gerade bei Abwurfmunition als wichtig erkannt worden, Maßnahmen gegen möglichst jede Art der mechanischen Beanspruchung des Explosivstoffs zu ergreifen, da z.B. Alterungserscheinungen und/oder chemische Veränderungen eine mechanische und/oder chemische Instabilität des Explosivstoffs bewirkt haben können. Durch undefinierbare mechanische Beanspruchungen könnte eine Umsetzung des Explosivstoffs hervorgerufen werden.In addition, the at least softened explosive is no longer allowed to slip out of the open envelope or fall down in an uncontrolled manner, but in particular to avoid impact effects or vibrations defined in spent a recording room. Within the scope of this invention, a defined movement is understood to mean, in particular, transport that is as largely free of vibrations as possible. An impact on the explosive is thus excluded according to the invention. It has been recognized as important, particularly in the case of dropping ammunition, to take measures against as far as possible any type of mechanical stress on the explosive, since, for example, signs of aging and/or chemical changes may have caused mechanical and/or chemical instability of the explosive. A conversion of the explosive could be caused by indefinable mechanical stresses.
Dementsprechend bildet eine Vorrichtung zum Ausbringen von Explosivstoffen aus einer Umhüllung eines großformatigen Kampfmittels, insbesondere einer Abwurfmunition, eine Lösung der vorstehend genannten Aufgabe, wobei die Vorrichtung eine Einrichtung umfasst, die mit einer Ausnehmung versehen über an einem den Explosivstoff angepassten Aufnahmeraum angeordnet ist, und die Einrichtung zur fixierenden Aufnahme eines Abschnitts eines Kampfmittels ausgebildet ist, sowie einen Roboterarm mit einer Induktionsspule, der zum berührungslosen Überfahren einer Oberfläche des Abschnitts und definierten Verbringung des entnommenen Sprengstoffs in einen Aufnahmeraum ausgebildet ist. Damit verzichtet die beschriebene Vorrichtung auf einen geschlossenen Induktionsofen und zeigt damit bei erhöhter Effizienz und Betriebssicherheit einen sehr kompakten Aufbau.Accordingly, a device for deploying explosives from a casing of a large-format weapon, in particular a dropping ammunition, is a solution to the above-mentioned object, the device comprising a device which is provided with a recess and is arranged in a receiving space adapted to the explosive, and which Device for fixing recording a section of a munition is formed, and a robotic arm with an induction coil, which is designed for contactless driving over a surface of the section and defined transfer of the removed explosives in a receiving space. The device described does without a closed induction furnace and thus has a very compact design with increased efficiency and operational reliability.
Ein Kern einer solchen Vorrichtung ist die Konzentration auf eine im Wesentlichen linienförmige oder kleinflächige induktive Erwärmungszone auf der Umhüllung, die durch die durch den Roboterarm gebildeten Positionierungseinheit oberflächlich über die Umhüllung des betreffenden Abschnitts bewegt wird. Eine derartige Induktionsvorrichtung weist insgesamt weniger Gewicht als ein das Kampfmittel umschließender induktiver Erwärmungsofen auf, der i.d.R. für jede Bauform eines großformatigen Kampfmittels passend anzufertigen und bereitzustellen ist. Eine erfindungsgemäße Lösung weist durch Einsatz eines Roboterarms zudem den Vorteil einer einfachen und grundsätzlich an jede Bauform großformatiger Kampfmittel flexibel anpassbaren Vorrichtung vergleichsweise geringer Abmessung und verminderten Gewichts auf. In einer Ausführungsform der Erfindung sind diverse Bauformen von Induktoren mit voneinander abweichenden Durchmessern vorgesehen, die schnell an dem Roboterarm auswechselbar sind. Eine derartige Vorrichtung kann als transportable Einheit ausgeführt mit geringem Aufwand mobil an nahezu jeden Ort verbracht werden.A core of such a device is the concentration on an essentially linear or small-area inductive heating zone on the cover, which is moved superficially over the cover of the relevant section by the positioning unit formed by the robot arm. Such an induction device weighs less overall than an inductive heating furnace enclosing the ordnance, which as a rule has to be manufactured and made available to suit any type of large-scale ordnance. By using a robot arm, a solution according to the invention also has the advantage of a simple device that can basically be flexibly adapted to any design of large-format munitions of comparatively small dimensions and reduced weight. In one embodiment of the invention, various designs of inductors with diameters that differ from one another are provided, which can be quickly exchanged on the robot arm. Such a device can be designed as a transportable unit and can be moved to almost any location with little effort.
Ein weiterer Kern der erfindungsgemäßen Vorrichtung liegt darin, dass hier konkrete Mittel zum definierten Verbringen des Explosivstoffs vorgesehen sind, da ein in einem Ausgangszustand in der Ausnehmung angeordneter Absenkteller zur definierten Überführung des Explosivstoffs in den Aufnahmeraum verwendet wird. Der Explosivstoff steht damit in einer Ausgangsposition mit einer Schnittfläche also im Wesentlichen lotrecht auf dem Absenkteller. Dieses Sicherheitsmittel fügt sich vorteilhafterweise nahtlos in eine Haltevorrichtung für einen Abschnitt eines Kampfmittels ein, ohne einen Erwärmungsvorgang stören zu können. Neben einem Erreichen einer Mindesttemperatur der Umhüllung und damit durch Wärmeleitung auch angrenzender Bereiche des Explosivstoffs zum ausreichenden Erweichen desselben oder einer Grenzschicht kann nun z.B. in einer Ausführungsform der Erfindung auch eine Zunahme einer auf den Absenkteller einwirkenden Gewichtskraft, die durch ein Lösen des Explosivstoffs aus der radial fixierten Umhüllung hervorgerufen wird, als Regelgröße zum definierten vorsichtigen Absenken des Absenktellers in den Aufnahmeraum hinein verwendet werden. Erschütterungen durch sogar ein Herabfallen des Explosivstoffs und damit einhergehenden Gefahren etwaiger Schlageinwirkungen werden damit effektiv vermieden. Damit wird eine Betriebssicherheit einer Vorrichtung deutlich erhöht. Vorteilhafte Weiterbildungen sind Gegenstand der abhängigen Ansprüche. Demnach wird in einer bevorzugten Ausführungsform der Erfindung die sich durch die Schnittebene ergebende Öffnung des Abschnitts mit ihrer Symmetrie- bzw. Mittelachse parallel zur Wirkungsrichtung der Schwerkraft über der Ausnehmung in der Vorrichtung und über dem Aufnahmeraum gehalten, also lot- bzw. senkrecht. Damit kann sich der Explosivstoff durch sein Gewicht rein unter Wirkung der Schwerkraft senkrecht aus der Umhüllung herauslösen.A further core of the device according to the invention lies in the fact that specific means are provided here for the defined transfer of the explosive, since a lowering plate arranged in the recess in an initial state is used for the defined transfer of the explosive into the receiving space. The explosive is thus in a starting position with a cut surface that is essentially perpendicular to the lowering plate. This safety means advantageously fits seamlessly into a holding device for a section of a weapon without being able to disrupt a heating process. In addition to reaching a minimum temperature of the casing and thus also of adjacent areas of the explosive through heat conduction for sufficient softening of the same or a boundary layer, in one embodiment of the invention, for example, an increase in a weight force acting on the lowering plate, which is caused by detachment of the explosive from the radial fixed casing is caused as a control variable for the defined careful lowering of the lowering plate into the receiving space be used. Vibrations caused by the explosive even falling and the associated dangers of any impact are thus effectively avoided. This significantly increases the operational reliability of a device. Advantageous developments are the subject of the dependent claims. Accordingly, in a preferred embodiment of the invention, the opening of the section resulting from the cutting plane is held with its symmetry or center axis parallel to the direction of gravity above the recess in the device and above the receiving space, i.e. plumb or perpendicular. This means that the explosive can be released vertically from the casing due to its weight purely under the effect of gravity.
Vorteilhafterweise wird als Trennebene ein Übergang der Umhüllung in einen zylindrischen Abschnitt mit maximalem Durchmesser gewählt, sodass größere Hinterschneidungen in einem Innenraum der Umhüllung vermieden werden, die ein frühzeitiges Herausrutschen des darin enthaltenen Explosivstoffs behindern oder verzögern könnten. Vorzugsweise werden zwei Trennebenen zur Bildung von drei Abschnitten eines Kampfmittels verwendet. Damit ergeben sich aus einem Kampfmittel regelmäßig ein zylindrischer Abschnitt und zwei kegelstumpfförmige Abschnitte der Endbereiche deutlich reduzierten Gewichts, die in angepasster Weise zur Entfernung des jeweils darin enthaltenen Explosivstoffs behandelt werden.Advantageously, a transition of the casing into a cylindrical section with maximum diameter is selected as the separating plane, so that larger undercuts in an interior of the casing are avoided, which could impede or delay an early slipping out of the explosive contained therein. Preferably, two parting planes are used to form three sections of a munition. As a result, a munition regularly has a cylindrical section and two frustoconical sections of the end regions of significantly reduced weight, which are treated in an adapted manner to remove the explosive contained in each case.
In einer Ausführungsform der Erfindung wird eine einem jeweiligen Typ des Kampfmittels sowie einer Art eines Abschnitts angepasste Induktionsspule verwendet. Damit ist eine optimale Anpassung an eine jeweilige Form eines Abschnitts der Umhüllung bei Minimierung eines Abstandes einer jeweiligen Induktionsspule zu einer Oberfläche der Umhüllung zur Intensivierung und Optimierung der Einwirkung der magnetischen Induktion gegeben. Auch kann so eine Anpassung in elektrischer Hinsicht durch diese auswechselbaren Induktionsspulen realisiert werden.In one embodiment of the invention, an induction coil adapted to a particular type of munitions and type of section is used. This is an optimal adaptation to a particular shape of a section of the casing with minimizing a distance of a particular induction coil to a surface of the casing for intensification and optimization of the effect of magnetic induction. Such an adjustment can also be realized from an electrical point of view by means of these exchangeable induction coils.
In einer wesentlichen Weiterbildung der Erfindung wird eine Induktionsspule dazu benutzt, in eine Aufnahme für einen Detonator linear eingeführt zu werden. Durch diesen Verfahrensschritt wird eine gezielte induktive Erwärmung der Aufnahmen erreicht, die im Zuge der vorstehend beschriebenen Verwendung einer auf eine metallische Hülle angepassten Induktionsspule sonst nur unzureichend erwärmt werden könnte. Hierdurch könnte eine Entnahme des enthaltenen Explosivstoffs behindert werden.In an essential development of the invention, an induction coil is used to be introduced linearly into a receptacle for a detonator. This method step achieves targeted inductive heating of the receptacles, which otherwise could only be heated insufficiently in the course of the above-described use of an induction coil adapted to a metallic shell. This could prevent the contained explosive from being removed.
In einer weiteren Ausführungsform der Erfindung wird die mindestens eine Induktionsspule unter Verwendung eines Roboterarms positioniert. Schon unter Verwendung eines zwei oder drei Achsen aufweisenden Roboterarms kann jeder Punkt an einer Außenkontur der jeweiligen Umhüllung schnell, berührungsfrei und genau erreicht werden. Derartige Roboterarme sind heute in den beschriebenen Anforderungen angepasster Größe und mechanischer Belastbarkeit mit entsprechenden Steuerungs- und Regelungsvorrichtungen schon verbreitet am Markt erhältlich. Vorzugsweise wird eine Führung der Induktionsspule über eine Kamera überwacht und geregelt. Hierdurch kann die Induktionsspule berührungsfrei und unter möglichst geringem Abstand einer jeweiligen Außenkontur folgend über die Umhüllung bewegt werden. Hierdurch können eine induktive Erwärmung und auch ein Einsatz elektrischer Energie optimiert werden. Durch diese Regelung ist es zudem möglich, im Fall einer Verformung der Umhüllung eine induktive Erwärmung soweit zu verstärken bzw. zu erhöhen, dass ein Verklemmen des Explosivstoffs in der Umhüllung des Abschnitts des Kampfmittels verhindert wird.In another embodiment of the invention, the at least one induction coil is positioned using a robotic arm. Any point on an outer contour of the respective casing can be reached quickly, contact-free and precisely using a robot arm with two or three axes. Such robot arms are already widely available on the market today in the described requirements of adapted size and mechanical strength with corresponding control and regulation devices. Guidance of the induction coil is preferably monitored and regulated via a camera. As a result, the induction coil can be moved over the casing in a non-contact manner and at the smallest possible distance, following a respective outer contour. In this way, inductive heating and also the use of electrical energy can be optimized. This regulation also makes it possible, in the event of a deformation of the casing, to intensify or increase inductive heating to such an extent that the explosive is prevented from becoming jammed in the casing of the section of the munitions.
In einer Ausführungsform der Erfindung wird eine jeweilige Oberflächentemperatur über Wärme- oder Wärmebild-Sensoren erfasst. Dadurch ist eine Temperatur auch aus einem sicheren Abstand schnell und berührungsfrei messbar. Ein Überfahren insbesondere unzureichend erwärmter Regionen kann damit bis zum Erreichen eines Zielwertes des Abschnitts wiederholt werden. Vorteilhafterweise ist eine Sensorik vorgesehen, die durch rechtzeitige Abschaltung der induktiven Erhitzung ein Erreichen oder gar Überschreiten einer kritischen Temperatur sicher verhindert. Eine Überhitzung mit der Gefahr einer Umsetzung des Explosivstoffs wird damit sicher verhindert.In one embodiment of the invention, a respective surface temperature is recorded using thermal or thermal imaging sensors. This means that a temperature can be measured quickly and without contact from a safe distance. Driving over in particular insufficiently heated regions can thus be repeated until a target value of the section is reached. A sensor system is advantageously provided which reliably prevents a critical temperature from being reached or even exceeded by switching off the inductive heating in good time. Overheating with the risk of the explosive being converted is thus reliably prevented.
Die erfindungsgemäße Vorrichtung zum Ausbringen eines Explosivstoffs aus einer Umhüllung eines großformatigen Kampfmittels, wie eine Abwurfmunition, weist zur Umsetzung des erfindungsgemäßen Verfahrens einen Roboterarm mit einer Induktionsspule sowie Mittel zum definierten Verbringen des Explosivstoffs aus der Umhüllung in den Aufnahmeraum auf. Die Mittel zum definierten Verbringen des Explosivstoffs sind als ein mit der Ausnehmung in der Einrichtung korrespondierender Absenkteller ausgebildet, der in den Aufnahmeraum hinein absenkbar ist.To implement the method according to the invention, the device according to the invention for deploying an explosive from a casing of a large-sized ordnance, such as dropping ammunition, has a robot arm with an induction coil and means for the defined transfer of the explosive from the casing into the receiving space. The means for the defined placement of the explosive are designed as a lowering plate which corresponds to the recess in the device and which can be lowered into the receiving space.
Vorzugsweise weist die Einrichtung radial verschiebliche Klemmbacken zur Fixierung eines jeweiligen Abschnitts des Kampfmittels auf. Die Klemmbacken geben eine Öffnung frei, durch die der Explosivstoff auch rein unter Wirkung der Schwerkraft aus der Umhüllung heraus unter definierter Führung in eine Auffangkammer gleiten kann. Damit löst sich der Explosivstoff also aus der Umhüllung und wird auf dem Absenkteller stehend definiert langsam und erschütterungsfrei in Richtung der Schwerkraft in den Aufnahmeraum hinein abgesenkt. Besonders bevorzugt ist, dass der Aufnahmeraum mit einem Verpackungsmaterial zum Umschließen des Explosivstoffs ausgekleidet ist. Eine direkte Verpackung des Explosivstoffs in dem Aufnahmeraum mindert u.a. die Gefahr, dass feste oder verflüssigte Bestandteile des Explosivstoffs in die Umwelt austreten können.The device preferably has radially displaceable clamping jaws for fixing a respective section of the ordnance. The clamping jaws release an opening through which the explosive can slide out of the casing under defined guidance into a collecting chamber, also purely under the effect of gravity. The explosive is thus released from the casing and, standing on the lowering plate, is lowered in a defined, slow and vibration-free manner in the direction of gravity into the receiving space. It is particularly preferred that the receiving space is lined with a packaging material for enclosing the explosive. Direct packaging of the explosive in the receiving space reduces, among other things, the risk that solid or liquefied components of the explosive can escape into the environment.
Nachfolgend werden weitere Merkmale und Vorteile erfindungsgemäßer Ausführungsformen unter Bezugnahme auf Ausführungsbeispiele anhand der Zeichnung näher erläutert. Darin zeigen in schematischer Darstellung:
- Figur 1:
- eine Schnittdarstellung eines Kampfmittels unter Andeutung zweier Schnittebenen;
- Figur 2:
- eine dreidimensionale Darstellung eines Verfahrens anhand des
Kampfmittels von Figur 1 - Figur 3:
- eine Schnittdarstellung in einer Ebene III-
III von Figur 2 und - Figur 4:
- eine Schnittdarstellung analog der
Darstellung von Figur 2 mit Details zu Mitteln zum definierten Verbringen des Explosivstoffs aus einer Umhüllung in einen Aufnahmeraum.
- Figure 1:
- a sectional view of a weapon indicating two cutting planes;
- Figure 2:
- a three-dimensional representation of a method based on the ordnance of
figure 1 - Figure 3:
- a sectional view in a plane III-III of
figure 2 and - Figure 4:
- a sectional view analogous to the representation of
figure 2 with details on means for the defined transfer of the explosive from a casing into a receiving space.
Über die verschiedenen Abbildungen hinweg werden für gleiche Elemente oder Verfahrensschritte stets die gleichen Bezugszeichen verwendet. Ohne Beschränkung der Erfindung wird nachfolgend nur ein Einsatz anhand einer großformatigen Abwurfmunition in Form einer nur schematisch wiedergegebenen dünnwandigen 1000 lb Bombe britischer Bauart dargestellt und beschrieben. Es ist aber für den Fachmann offensichtlich, dass in gleicher Weise auch eine Anpassung auf andere Bauformen großformatiger Kampfmittel, wie Bomben, Granaten, Raketen oder Torpedos möglich ist, die allesamt an ihren Umhüllungen einen Übergang in einen längssymmetrischen oder gar zylindrischen Abschnitt mit einem maximalen Durchmesser aufweisen.The same reference symbols are always used for the same elements or method steps throughout the various figures. Without restricting the invention, only one use based on a large-format drop ammunition in the form of a thin-walled 1000 lb bomb of British design, shown only schematically, is shown and described below. However, it is obvious to the person skilled in the art that an adaptation to other designs of large-scale ordnance, such as bombs, grenades, rockets or torpedoes, which are all one in their casings, is possible in the same way Have transition into a longitudinally symmetrical or even cylindrical section with a maximum diameter.
Die Umhüllung 2 umfasst einen zylindrischen Abschnitt 4 mit einem für den vorliegenden Typ von Kampfmittel typischen maximalen Durchmesser von 38 cm bis ca. 42 cm, der endseitig jeweils in kegelstumpfförmige Endbereiche 5 ausläuft. An Übergangsstellen des zylindrischen Abschnitts 4 in die kegelstumpfförmigen Endbereiche 5 sind in
Die Vorrichtung V umfasst weiterhin einen Roboterarm 8 mit einer Induktionsspule 9. Der Roboterarm 8 ist zum berührungslosen Überfahren einer Oberfläche des Abschnitts 5 ausgebildet. Insbesondere regelt eine Regelung des Roboterarms 8 stets einen ausreichenden Abstand der Induktionsspule 9 zu einer Oberfläche der jeweiligen Umhüllung 2 ein und gleicht dabei auch etwaige Unrundheiten oder einen Achsversatz aus, d.h. einen Versatz der Mittelachse M gegenüber einer Mittelachse der Einrichtung 6 oder eine Winkelabweichung durch ein leicht verkipptes Einsetzen des zu behandelnden Abschnitts in der Einrichtung 6. Dazu umfasst der Roboterarm 8 im vorliegenden Ausführungsbeispiel mindestens drei Achsen, wobei heutige Standard-Roboter i.d.R. als 6-Achs-Roboter ausgeführt sind. Es können aber einem jeweiligen Anwendungsfall entsprechend angepasste Roboterarme 8 anderer Bauarten vorgesehen werden, wie z.B. ein 2-achsiger Roboterarm 8 mit linearem Schiebelager, oder aber ein Roboterarm 8 mit einem gekrümmt statt linear verschieblichen Teil-Arm. Hierdurch können Gewicht und Bauraum eingespart werden, was beispielsweise bei einer Auslegung einer Vorrichtung V als mobil z.B. an verschiedenen Standorten nutzbare Anlage wichtig sein kann.The device V also includes a
In jedem Fall wird die mit einem hochfrequenten Strom HF gespeiste Induktionsspule 9 durch den Roboterarm 8 in einem möglichst geringen Abstand d unter Überwachung durch eine nicht weiter dargestellte Kameraeinrichtung über die Oberfläche der metallischen Umhüllung 2 des Abschnitts 4 geführt. Durch die Induktionsspule 9 fließt ein Strom von ca. 60 A bei einer Spannung von etwa 100 V und einer Frequenz von ca. 6 bis etwa 10 kHz, was z.B. in Abhängigkeit einer jeweiligen Wandstärke der vorliegenden Umhüllung 2 zur Erzeugung einer optimalen Eindringtiefe von induzierten Wirbelströmen einstellbar ist. Eine Erwärmung der als Kupferrohr mit geschlossenem rechteckigem Querschnitt ausgebildeten Induktionsspule 9 selber wird in nicht weiter dargestellter Weise durch eine Wasserkühlung ausreichend entgegengewirkt, ohne dass eine Erwärmung der Umhüllung 3 dadurch merklich beeinträchtigt würde.In any case, the
Eine gleichmäßige Verschiebung der Induktionsspule 9 erzeugt damit eine in
In der Einrichtung 6 ist der zylindrische Abschnitt 4 so fixiert, dass er senkrecht über einer Ausnehmung 10 angeordnet ist. Mit Erreichen eines ausreichenden Temperaturbereichs über die gesamte Oberfläche der Umhüllung 2 hinweg wird der an die Umhüllung 2 angrenzende Explosivstoff 3 soweit erweicht, dass der Explosivstoff 3 schon unter Wirkung der Schwerkraft aus der Umhüllung 2 heraus und durch die Ausnehmung 10 hindurch in einen hier nur angedeuteten Aufnahmeraum 11 hinein gleitet, um definiert und insbesondere erschütterungsfrei in den Aufnahmeraum 11 verbracht zu werden. Anschließend findet dort eine Weiterverarbeitung statt, insbesondere eine Verpackung zum sicheren Weitertransport, wie nachfolgend noch anhand der Zeichnung beschrieben wird.The
Eine in
Wenn der Explosivstoff 3 im Kontakt mit der Umhüllung 2 ausreichend thermisch erweicht ist, sinkt der Explosivstoff 3 aus der fixierten Umhüllung 2 auf den Absenkteller 12. Eine auf den Absenkteller 12 einwirkende Gewichtskraft erhöht sich, was in diesem Ausführungsbeispiel ein Signal für eine Regelung darstellt, den Absenkteller 12 langsam in den Aufnahmeraum 11 hinein abzusenken. Dabei ist über den Aufnahmeraum 11 und den Absenkteller 12 hinaus ein Verpackungsmaterial 13 vorgesehen, in dem der Explosivstoff 3 im Zuge des Absenkens in den Aufnahmeraum 11 hinein automatisch eingeschlagen wird. Dieses Verpackungsmaterial 13 kann ab dem Moment, wo Explosivstoff 3 aus der Umhüllung 2 vollständig entnommen ist, in einfacher Weise geschlossen werden. Damit ist die Umwelt durch das Verpackungsmaterial 13 hier in Form einer Kunststofffolie vor dem Einfluss des Explosivstoffs 3 in dem Sinne geschützt, dass keine festen oder verflüssigten Teile davon verloren gehen oder in sonstiger Weise die Umwelt kontaminieren können.When the explosive 3 is sufficiently thermally softened in contact with the
Nach einer Beendigung des Ausbringens des Explosivstoffs 3 aus der Umhüllung 2 sind regelmäßig nur geringe Restmengen des Explosivstoffs 3 als dünnschichtige Anhaftungen an den Metallteilen der Umhüllung 2 vorhanden. Zu deren Beseitigung sind u.a. thermische Verfahren bekannt. Eine weitere Behandlung der Teile der Umhüllung 2 als kontaminierter metallischer Schrott ist schon aufgrund der vergleichsweise kleinen anhaftenden Mengen von Explosivstoff 2 auch mit Blick auf die Umweltsicherheit deutlich weniger kritisch und kann daher in größerer Menge und in kürzerer Zeit durchgeführt werden, als eine thermische Umsetzung großer Explosivstoff-Mengen, wie sie nach dem Stand der Technik noch vorgenommen werden.Once the explosive 3 has been removed from the
Die vorstehend beschriebene Vorrichtung V zeichnet sich im Verhältnis zu den dadurch behandelbaren großformatigen Kampfmittel 1 durch ein gegenüber dem Stand der Technik deutlich geringes Gewicht, niedrigeren Energieaufwand sowie eine schon aufgrund der geringeren Prozesszeit effizientere und sicherer Handhabung des aus einer jeweiligen Umhüllung 2 zu entfernenden Explosivstoffs 3 bis in den Aufnahmeraum 11 hinein aus.The device V described above is characterized in relation to the large-
- 11
- Kampfmittelordnance
- 22
- metallische Umhüllungmetallic casing
- 2a2a
- Detonator-Aufnahme in Form einer metallischen BuchseDetonator mount in the form of a metal sleeve
- 33
- Explosivstoffexplosive
- 44
- zylindrischer Abschnitt mit maximalem Durchmesser DMcylindrical section with maximum diameter DM
- 55
- Abschnitt eines kegelstumpfförmigen EndbereichsSection of a frustoconical end region
- 66
- Einrichtung zum Tragen und Halten des Abschnitts (4) oder Endbereichs (5)means for supporting and holding the section (4) or end portion (5)
- 77
- radial an der Einrichtung (6) verschiebliche Klemmbacke zur klemmenden Fixierung des Abschnitts (4) oder Endbereichs (5)Clamping jaw that can be moved radially on the device (6) for clamping the section (4) or end area (5) in place
- 88th
- Roboterarmrobotic arm
- 99
- Induktionsspuleinduction coil
- 9a9a
- kleinere Induktionsspule zur Erwärmung einer Aufnahme bzw. Buchse (2a) eines Detonators (D)smaller induction coil for heating a receptacle or socket (2a) of a detonator (D)
- 1010
- Ausnehmung im Zentrum der Einrichtung (6)Recess in center of facility (6)
- 1111
- Aufnahmeraum unter der Einrichtung (6)Recording room under facility (6)
- 1212
- Absenktellerlowering plate
- 1313
- Verpackungsmaterialpacking material
- αa
- Winkel der Induktionsspule (11) als KreissegmentAngle of the induction coil (11) as a circle segment
- AA
- Aufhänge-Öse an der metallischen Umhüllung (2)Hanging loop on the metallic casing (2)
- BB
- Magnetfeldmagnetic field
- di.e
- Abstand zwischen Umhüllung (2) und Induktionsspule (11)Distance between casing (2) and induction coil (11)
- DD
- Detonatordetonator
- DMDM
- maximaler Durchmessermaximum diameter
- HFHF
- durch die Induktionsspule (11) fließender hochfrequenter Stromhigh-frequency current flowing through the induction coil (11).
- LL
- gesamtes Leitwerk des Kampfmittels (1)entire empennage of the ordnance (1)
- MM
- Mittelachse / SymmetrielinieCentral axis / line of symmetry
- SS
- Schnittebene / TrennebeneCutting plane / parting plane
- VV
- Vorrichtungcontraption
Claims (15)
- Method for removing an explosive (3) from an casing (2) of a large-sized explosive ordnance (1), in particular of a drop munition,with severing of the metallic casing (2) in a region of maximum diameter (DM),the casing (2) being heated by induction to soften the adjacent explosive (3),characterized in thatthe ordnance (1) is cut at a transition into a cylindrical section (4) as a parting plane (S) anda resulting opening of the section (4, 5) is held above a receiving space (11) in a device (6) which has a recess (10), whereinthe casing (2) of the section (4, 5) is passed over by an induction coil (9) and the heating is monitored,in order to soften the explosive (3) sufficiently thermally for removal from the casing (2) in such a way that the explosive (3) is subsequently brought through the recess (10) into the receiving space (11) without shaking, in that a lowering plate (12) arranged in an initial state in the recess (10) of the device (6) is used in order to bring or transfer the explosive (3) vertically in a defined manner in the direction of action of the force of gravity into the receiving space (11). transfer.
- Method according to the preceding claim, characterized in that the resulting opening of the section (4, 5) with an axis of symmetry (M) parallel to the direction of action of gravity is held above the receiving space (11) at the recess (10) in the device (6).
- Method according to one of the preceding claims, characterized in that a transition into a cylindrical section (4) with maximum diameter (DM) is selected as a parting plane (S).
- Method according to the preceding claim, characterized in that two separation planes (S) are formed to form three sections (4, 5) of an ordnance (1).
- Method according to one of the preceding claims, characterized in that an induction coil (9) adapted to a respective type of ordnance (1) and type of a section (4, 5) is used.
- Method according to one of the preceding claims, characterized in that an induction coil (9a) shaped to fit a receptacle (2a) for a detonator (D) is used.
- Method according to the preceding claim, characterized in that this induction coil (9a) is introduced into the receptacle (2a) for targeted inductive heating.
- Method according to one of the preceding claims, characterized in that the induction coil (9, 9a) is positioned using a robot arm (8), wherein guidance of the induction coil (9, 9a) on the robot arm (8) is carried out in a controlled manner and monitored via sensors, preferably using a camera.
- Method according to one of the preceding claims, characterized in that a respective surface temperature of the metallic casing (2) is detected via thermal image sensors and a passing over of insufficiently heated regions is repeated until a target value is reached.
- Method according to one of the preceding claims, characterized in that the explosive (3) is automatically wrapped in a packaging material (13) in the course of lowering into the receiving space (11).
- Device (V) for removing an explosive (3) from an casing (2) of a large-format ordnance (1), in particular of a drop munition, for implementing a method according to one of the preceding claims,characterized in thatthe device (V) comprises a device (6)which is provided with a recess (10) and is arranged above a receiving space (11) adapted to the explosive, the device (6) being designed to fixably receive a portion (4, 5) of the ordnance (1) in an orientation parallel to the action of gravity, anda robot arm (8) with an induction coil (9),which is designed to traverse a surface of the section (4, 5) without contact, anda lowering plate (12) corresponding to the recess (10) in the device (6) is provided as means for the vibration-free transfer of the explosive (3) from the casing (2) into the receiving space (11) arranged vertically below the recess (10) of the device (6), which lowering plate (12) can be lowered into the receiving space (11) in the upright position.
- Device according to the preceding claim, characterized in that the device (6) is designed as a plate with radially displaceable clamping jaws (7) with release of the opening or recess (10) in the center of the device (6).
- Device according to one of the two preceding claims, characterized in that the receiving space (11) is lined with a packaging material (13) for enclosing the explosive (3) .
- Device according to one of the three preceding claims, characterized in that an induction coil (9a) shaped to fit a receptacle (2a) for a detonator (D) is provided for selective inductive heating of the receptacle (2a).
- Device according to the preceding claim, characterized in that the induction coil (9a) is shaped and formed adapted for insertion into a receptacle (2a) for a detonator (D).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018128921.9A DE102018128921B4 (en) | 2018-11-16 | 2018-11-16 | Method for dispensing an explosive and device |
PCT/EP2019/081657 WO2020099679A1 (en) | 2018-11-16 | 2019-11-18 | Method and device for removing an explosive substance from a large-size weapon |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3861278A1 EP3861278A1 (en) | 2021-08-11 |
EP3861278B1 true EP3861278B1 (en) | 2022-08-24 |
Family
ID=68618154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19805952.9A Active EP3861278B1 (en) | 2018-11-16 | 2019-11-18 | Method and device for removing an explosive substance from a large-size weapon |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3861278B1 (en) |
DE (1) | DE102018128921B4 (en) |
PL (1) | PL3861278T3 (en) |
WO (1) | WO2020099679A1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4140001C1 (en) | 1991-12-04 | 1993-02-04 | Walter Dipl.-Ing. 3450 Holzminden De Schulze | Removal of explosive material, e.g. tri:nitrotoluene, from explosive bodies - by warming body and removing material into a container connected by a gas tight seal |
RU2045743C1 (en) | 1992-04-17 | 1995-10-10 | Центр науки и образования "Конверсия" при Самарском государственном техническом университете | Installation for unloading of shells |
DE10129016A1 (en) | 2001-06-11 | 2002-12-19 | Ind Spreewerk Luebben Gmbh | Process for removing explosive materials from military objects, comprises partially or completely coating the explosive with meltable material, opening object, heating explosive in contact region with the casing and removing explosive |
DE102006039210B4 (en) | 2006-08-22 | 2014-07-31 | Grv Luthe Kampfmittelbeseitigung Gmbh | Method and device for dividing rotationally symmetrical hollow body made of metal or plastic |
GB201217584D0 (en) | 2012-10-02 | 2012-11-14 | Reid John N | Disposal of munitions |
DE102012021090A1 (en) | 2012-10-26 | 2013-05-02 | Daimler Ag | Method for manufacturing inductor used for local inductive heating of workpiece e.g. metal sheet, involves using meltable and electrically conductive plastic material for preparing the inductor |
DE102017208539B4 (en) | 2017-05-19 | 2021-04-22 | Technische Universität Dresden | Device and method for the delaboration of explosives contained in a metallic housing |
CN107884839B (en) | 2017-12-11 | 2024-02-23 | 同方威视技术股份有限公司 | Intelligent explosion-proof table |
-
2018
- 2018-11-16 DE DE102018128921.9A patent/DE102018128921B4/en active Active
-
2019
- 2019-11-18 PL PL19805952.9T patent/PL3861278T3/en unknown
- 2019-11-18 EP EP19805952.9A patent/EP3861278B1/en active Active
- 2019-11-18 WO PCT/EP2019/081657 patent/WO2020099679A1/en active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
PL3861278T3 (en) | 2022-12-19 |
EP3861278A1 (en) | 2021-08-11 |
WO2020099679A1 (en) | 2020-05-22 |
DE102018128921A1 (en) | 2020-05-20 |
DE102018128921B4 (en) | 2024-05-16 |
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