EP2264395A2 - Device for energy absorption and use of the device as a mine protection device or an impact absorber for a motor vehicle - Google Patents

Device for energy absorption and use of the device as a mine protection device or an impact absorber for a motor vehicle Download PDF

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Publication number
EP2264395A2
EP2264395A2 EP10005661A EP10005661A EP2264395A2 EP 2264395 A2 EP2264395 A2 EP 2264395A2 EP 10005661 A EP10005661 A EP 10005661A EP 10005661 A EP10005661 A EP 10005661A EP 2264395 A2 EP2264395 A2 EP 2264395A2
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Prior art keywords
plate
filling material
plates
vehicle
outflow opening
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EP10005661A
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German (de)
French (fr)
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EP2264395A3 (en
Inventor
Oliver Schliese
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Rheinmetall Landsysteme GmbH
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Rheinmetall Landsysteme GmbH
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Application filed by Rheinmetall Landsysteme GmbH filed Critical Rheinmetall Landsysteme GmbH
Publication of EP2264395A2 publication Critical patent/EP2264395A2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/013—Mounting or securing armour plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/04—Armour construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H7/00—Armoured or armed vehicles
    • F41H7/02—Land vehicles with enclosing armour, e.g. tanks
    • F41H7/04—Armour construction
    • F41H7/042—Floors or base plates for increased land mine protection

Definitions

  • the invention relates to an apparatus for absorbing energy with at least two spaced-apart plates, wherein the first plate is arranged such that the force associated with the energy to be absorbed first acts on this plate.
  • the device can also be created by a tubular form.
  • the invention further relates to a use of the device as a mine-protection device as well as to a use of the device as a crash cushion for a motor vehicle.
  • Lightly armored vehicles often have no or only insufficient protection against pressure waves triggered by mines near the ground, because the use of a correspondingly strong bottom-side armor for weight reasons is not possible. This applies in particular to air-armored armored vehicles, which must not exceed a certain maximum weight.
  • a mine-protection device for armored vehicles which consists essentially of two spaced apart by web-shaped spacers plates.
  • the first plate faces the ground, so that the pressure wave at a mine detonation first acts on this plate, which transmits the forces exerted on it by the pressure wave of the detonation forces on the spacer parts.
  • the spacers are designed to absorb energy relative to the second plate compressible.
  • the spacers are designed in terms of their arrangement, dimensioning and material properties such that a deep-pass damping of the pressure wave takes place.
  • the first plate of the known mine-protection device consists of light metal, it is in the rigidly trained second plate to armor steel, which in turn leads to an increase in weight of the corresponding vehicle.
  • composite panels are for example from the DE 10 2005 013 660 A1 , of the DE 10 2005 050 981 A1 as well as the DE 10 2007 022 143 A1 known.
  • the invention has for its object to provide a device of the type mentioned above, which has a relatively low weight and yet causes a simple way a high energy absorption.
  • preferred uses of this device are disclosed in particular in motor vehicles.
  • the invention is based essentially on the idea, using a viscosity, flow or flow brake o. ⁇ ., Which serves by the flow resistance of the medium / material (filler) at a defined cross section for energy absorption or energy absorption or energy conversion, the potential hazard the event - pressure wave by mine action - to minimize.
  • an arrangement consisting of at least two spaced-apart plates is filled with a filling material which, upon compression of the two plates, can escape through at least one outflow opening with a defined flow cross-section. Due to the flow resistance of the filling material in the region of the defined flow cross section, the desired energy absorption then takes place.
  • a filling material which, upon compression of the two plates, can escape through at least one outflow opening with a defined flow cross-section. Due to the flow resistance of the filling material in the region of the defined flow cross section, the desired energy absorption then takes place.
  • Both liquids are suitable as filling material correspondingly high viscosity as well as gels, plastic or metal foams and granules. But other suitable materials come as a filler in question, which should be as light as possible to minimize weight of the device according to the invention.
  • the first plate and its associated spacers are designed in terms of their material properties, wall thickness and construction such that they with appropriate force on the first plate are deformable at least in partial areas relative to the second plate.
  • the second plate is rigid. What can be achieved for example by two sandwiched sheets of light metal or steel, which are connected to each other via rigid support members.
  • the two plates are connected to one another via side walls, wherein an outflow opening is located in one or both side walls.
  • the spacers may be web-shaped so that the filler material can easily flow around these spacers.
  • the spacers may also be formed rib-shaped, so that chamber-shaped portions are formed between the two plates. Due to the light support ribs, the respective medium can either flow through almost unhindered. But there is also the possibility that at least a part of the rib-shaped spacers is provided with flow openings. In total, thus several absorption segments are formed.
  • the support ribs can be designed so that they deform in the event of an incident and do not lead to a deformation of the vehicle interior floor.
  • the shape of the vehicle floor can be arbitrary, for example, flat, curved, angled etc.
  • the first plate and the spacer parts can preferably be made of a light metal, for example an aluminum alloy.
  • a tubular part or a pipe can also form the device, wherein spacer parts, outflow opening etc. are integrated, which in turn fulfill the same tasks / functions as in the case of a plate arrangement.
  • the device according to the invention can preferably be used as a mine protection device, which can be arranged in the floor area of a vehicle, the first plate of the device being arranged on the ground floor side and the second plate arranged on the vehicle being designed as a rigid inner floor of the vehicle.
  • the device according to the invention can be arranged both on the front side and the rear side on the corresponding motor vehicle.
  • the device according to the invention it is also conceivable to integrate the device according to the invention, for example, in the side walls of the motor vehicle.
  • the benefits include reducing the risk of injury to the vehicle crew and lighter weight compared to steel or composite panels. Due to the cross-sectional adjustment can be adjusted between a hard or soft coupling of the pressure wave and thus the absorption. That is, the degree of reduction is determined not only by the viscosity of the material but also by the cross section to be flowed through in the event of an event.
  • the figure shows the cross section of a mine-protection device according to the invention shown greatly simplified again.
  • the mine protection device is indicated by the reference numeral 1.
  • the mine protection device 1 is formed by a type of viscosity, flow or flow brake, which can receive a filling material 13 and has at least one outlet opening 10 (11). Due to the viscosity of the material used, the adjustable in a particular embodiment cross section and thus the actual flow and flow properties, the degree of reduction is adjusted or regulated.
  • the device 1 or brake is composed in a simple embodiment substantially of two spaced-apart surfaces 2, 3, here two plates together, which are preferably connected to one another via raised side walls 4, 5 and / or a plurality of web-shaped spacers 6 and for receiving the Medium or filling material 13 serve.
  • the raised side walls 4, 5 have the advantage that the medium 13 can be used again high pressed and is not lost. Side collecting containers can also take over this task.
  • the first plate 2 and the web-shaped spacers 6 are designed in terms of their material properties, their wall thickness and their construction such that they are deformable with a corresponding force on the first plate 2 at least in partial areas relative to the second plate 3, the second plate 3 as rigid inner bottom of the vehicle formed.
  • the second plate 3 for example, consists of two sandwiched plates 7, 8, for example, a light metal, which are connected to each other via rigid support members 9.
  • each of the two side walls 4, 5 there is an (optionally) closable outflow opening 10, 11 with a predefined flow cross section.
  • the interior space 12 located between the two plates 2, 3 is filled by a filling material 13, for example a plastic foam.
  • the resulting pressure wave first acts on the deformable first plate 2 and presses it in the direction of the rigid second plate 3.
  • the web-shaped spacer parts 6 are compressed or bent out.
  • the filling material 13 located in the interior space 12 between the plates 2, 3 is pressed at least partially through the outflow openings 10, 11, so that the desired energy absorption occurs due to the flow resistance of the filling material 13 in the region of the outflow openings 10, 11.
  • the means or surfaces 2, 3 can be formed in particular for smaller dimensions for crashes but also by a kind of tube / bumper, etc. (not shown in detail), which may be U-shaped bent and fastened to a vehicle.
  • the top of the tube should take over the task of the rigid plate 3, which of course an additional, rigid plate can support the tube.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Body Structure For Vehicles (AREA)
  • Vibration Dampers (AREA)

Abstract

The device (1) has receiving units (2, 3) receiving medium and/or filling materials (13) i.e. gel, and regulated through a deformable surface. A surface lies opposite to the deformable surface, and orifice outlets (10, 11) are provided between the surfaces. The deformable surface is pressurized against the surface, so that the filling materials are partially pressurized through the outlets. Energy absorption is enabled by flow resistance of the filling materials in a region of the outlets. The receiving units are formed as plates that are spaced from each other through a spacing part (6). The filling materials are selected from fluid, gel, plastic-or metal foam, or granulate material. The plates and spacing part comprise a light metal such as aluminum alloy.

Description

Die Erfindung betrifft eine Vorrichtung zur Energieabsorption mit mindestens zwei voneinander durch Abstandsteile beabstandete Platten, wobei die erste Platte derart angeordnet ist, dass die mit der zu absorbierenden Energie verbundene Kraft zunächst auf diese Platte wirkt. Alternativ kann die Vorrichtung auch durch ein bzw. eine rohrartige Form geschaffen werden. Die Erfindung bezieht sich ferner auf eine Verwendung der Vorrichtung als Minen-Schutzvorrichtung als auch auf eine Verwendung der Vorrichtung als Aufpralldämpfer für ein Kraftfahrzeug.The invention relates to an apparatus for absorbing energy with at least two spaced-apart plates, wherein the first plate is arranged such that the force associated with the energy to be absorbed first acts on this plate. Alternatively, the device can also be created by a tubular form. The invention further relates to a use of the device as a mine-protection device as well as to a use of the device as a crash cushion for a motor vehicle.

Leicht gepanzerte Fahrzeuge haben häufig keinen oder nur einen unzureichenden Schutz vor in Bodennähe durch Minen ausgelöste Druckwellen, weil die Verwendung einer entsprechend starken bodenseitigen Panzerung aus Gewichtsgründen nicht möglich ist. Dieses gilt insbesondere für luftverlastbare gepanzerte Fahrzeuge, die ein bestimmtes maximales Gewicht nicht überschreiten dürfen.Lightly armored vehicles often have no or only insufficient protection against pressure waves triggered by mines near the ground, because the use of a correspondingly strong bottom-side armor for weight reasons is not possible. This applies in particular to air-armored armored vehicles, which must not exceed a certain maximum weight.

Aus der DE 197 40 103 A1 ist eine Minen-Schutzvorrichtung für gepanzerte Fahrzeuge bekannt, die im Wesentlichen aus zwei voneinander durch stegförmige Abstandsteile beabstandete Platten besteht. Dabei ist die erste Platte dem Erdboden zugewandt, so dass die Druckwelle bei einer Minendetonation zunächst auf diese Platte wirkt, welche die von der Druckwelle der Detonation auf sie ausgeübten Kräfte auf die Abstandsteile überträgt. Die Abstandsteile sind zur Energieabsorption gegenüber der zweiten Platte stauchbar ausgebildet. Außerdem sind die Abstandsteile hinsichtlich ihrer Anordnung, Dimensionierung und Materialeigenschaften derart ausgelegt, dass eine tiefpaßartige Dämpfung der Druckwelle erfolgt.From the DE 197 40 103 A1 a mine-protection device for armored vehicles is known, which consists essentially of two spaced apart by web-shaped spacers plates. In this case, the first plate faces the ground, so that the pressure wave at a mine detonation first acts on this plate, which transmits the forces exerted on it by the pressure wave of the detonation forces on the spacer parts. The spacers are designed to absorb energy relative to the second plate compressible. In addition, the spacers are designed in terms of their arrangement, dimensioning and material properties such that a deep-pass damping of the pressure wave takes place.

Während die erste Platte der bekannten Minen-Schutzvorrichtung aus Leichtmetall besteht, handelt es sich bei der biegesteif ausgebildeten zweiten Platte um Panzerstahl, was wiederum zu einer Gewichtserhöhung des entsprechenden Fahrzeuges führt.While the first plate of the known mine-protection device consists of light metal, it is in the rigidly trained second plate to armor steel, which in turn leads to an increase in weight of the corresponding vehicle.

Weitere Verbundplatten sind beispielsweise aus der DE 10 2005 013 660 A1 , der DE 10 2005 050 981 A1 sowie der DE 10 2007 022 143 A1 bekannt.Other composite panels are for example from the DE 10 2005 013 660 A1 , of the DE 10 2005 050 981 A1 as well as the DE 10 2007 022 143 A1 known.

Mit der DE 102 50 132 B4 wird ein adaptierbares hybrides Schutzmodul für gepanzerte Fahrzeuge mit einem Hohlraum beschrieben, der mit einem fließfähigen Medium befüllbar und entleerbar ist, wobei dem Hohlraum ein in Bedrohungsrichtung liegende Vorpanzerung vorgeschaltet ist.With the DE 102 50 132 B4 An adaptable hybrid protection module for armored vehicles with a cavity is described which can be filled and emptied with a flowable medium, wherein the cavity is preceded by a forward facing Vorganzerung.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs erwähnten Art anzugeben, die ein relativ geringes Gewicht aufweist und trotzdem auf einfache Weise eine hohe Energieabsorption bewirkt. Außerdem sollen bevorzugte Verwendungen dieser Vorrichtung insbesondere bei Kraftfahrzeugen offenbart werden.The invention has for its object to provide a device of the type mentioned above, which has a relatively low weight and yet causes a simple way a high energy absorption. In addition, preferred uses of this device are disclosed in particular in motor vehicles.

Diese Aufgabe wird erfindungsgemäß hinsichtlich der Vorrichtung durch die Merkmale des Anspruchs 1 und hinsichtlich der Verwendungen der erfindungsgemäßen Vorrichtung durch die Merkmale der Ansprüche 14 und 15 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is achieved with respect to the device by the features of claim 1 and with respect to the uses of the device according to the invention by the features of claims 14 and 15. Further, particularly advantageous embodiments of the invention disclose the dependent claims.

Die Erfindung beruht im Wesentlichen auf dem Gedanken, unter Anwendung einer Viskositäts-, Fließ- oder Strömungsbremse o. ä., die durch den Strömungswiderstand des Mediums / Materials (Füllmaterial) am einem definierten Querschnitt zur Energieaufnahme bzw. Energieabsorption oder Energieumwandlung dient, das Gefahrenpotential des Ereignisses - Druckwelle durch Minenansprengung - zu minimieren.The invention is based essentially on the idea, using a viscosity, flow or flow brake o. Ä., Which serves by the flow resistance of the medium / material (filler) at a defined cross section for energy absorption or energy absorption or energy conversion, the potential hazard the event - pressure wave by mine action - to minimize.

Dazu wird in einer ersten bevorzugten Variante eine aus mindestens zwei voneinander beabstandeten Platten bestehende Anordnung mit einem Füllmaterial ausgefüllt, welches beim Zusammendrücken der beiden Platten durch mindestens eine Ausströmöffnung mit definiertem Strömungsquerschnitt entweichen kann. Durch den Strömungswiderstand des Füllmaterials im Bereich des definierten Strömungsquerschnittes erfolgt dann die gewünschte Energieabsorption. Dabei eignen sich als Füllmaterial sowohl Flüssigkeiten mit entsprechend hoher Viskosität als auch Gele, Kunststoff- oder Metallschäume und Granulate. Aber auch andere geeignete Materialien kommen als Füllmaterial in Frage, welche zur Gewichtminimierung der erfindungsgemäßen Vorrichtung möglichst leicht sein sollten.For this purpose, in a first preferred variant, an arrangement consisting of at least two spaced-apart plates is filled with a filling material which, upon compression of the two plates, can escape through at least one outflow opening with a defined flow cross-section. Due to the flow resistance of the filling material in the region of the defined flow cross section, the desired energy absorption then takes place. Both liquids are suitable as filling material correspondingly high viscosity as well as gels, plastic or metal foams and granules. But other suitable materials come as a filler in question, which should be as light as possible to minimize weight of the device according to the invention.

Damit es zu einem definierten Zusammendrücken der beiden Platten der erfindungsgemäßen Vorrichtung bei einer entsprechenden Krafteinwirkung auf die erste Platte kommt, sind die erste Platte und die mit ihr verbundenen Abstandsteile hinsichtlich ihrer Materialeigenschaften, ihrer Wandstärke und ihres Aufbaus derart ausgelegt, dass sie bei entsprechender Krafteinwirkung auf die erste Platte mindestens in Teilbereichen gegenüber der zweiten Platte verformbar sind. Die zweite Platte ist hingegen biegesteif ausgebildet. Was beispielsweise durch zwei sandwichartig angeordnete Bleche aus Leichtmetall oder Stahl erreicht werden kann, die über biegesteife Stützteile miteinander verbunden sind.So that it comes to a defined compression of the two plates of the device according to the invention with a corresponding force on the first plate, the first plate and its associated spacers are designed in terms of their material properties, wall thickness and construction such that they with appropriate force on the first plate are deformable at least in partial areas relative to the second plate. The second plate, however, is rigid. What can be achieved for example by two sandwiched sheets of light metal or steel, which are connected to each other via rigid support members.

Bei einer Ausführungsform der Erfindung sind die beiden Platten über Seitenwände miteinander verbunden, wobei sich in einer oder in beiden Seitenwänden eine Ausströmöffnung befindet.In one embodiment of the invention, the two plates are connected to one another via side walls, wherein an outflow opening is located in one or both side walls.

Um die Energieabsorption der Vorrichtung einstellen zu können, hat es sich als vorteilhaft erwiesen, wenn der Strömungsquerschnitt der jeweiligen Ausströmöffnung durch ein Ventil regelbar ist.In order to adjust the energy absorption of the device, it has proved to be advantageous if the flow cross section of the respective outflow opening can be regulated by a valve.

Die Abstandsteile können stegförmig ausgebildet sein, sodass das Füllmaterial um diese Abstandsteile leicht herum fließen kann.The spacers may be web-shaped so that the filler material can easily flow around these spacers.

Die Abstandsteile können aber auch rippenförmig ausgebildet sein, sodass kammerförmige Teilbereiche zwischen den beiden Platten gebildet werden. Durch die leichten Stützrippen kann das jeweilige Medium entweder nahezu ungehindert durchfließen. Es besteht aber auch die Möglichkeit, dass mindestens ein Teil der rippenförmigen Abstandsteile mit Durchströmöffnungen versehen ist. In Summe werden somit mehrere Absorptionssegmente gebildet. Die Stützrippen können so ausgelegt sein, dass sie sich im Ereignisfall verformen und nicht zu einer Deformation des Fahrzeuginnenbodens führen. Die Form des Fahrzeugbodens kann beliebig sein, beispielsweise eben, gewölbt, abgewinkelt etc. Die erste Platte und die Abstandsteile können aus Gewichtsgründen vorzugsweise aus einem Leichtmetall, beispielsweise einer Aluminiumlegierung, bestehen.The spacers may also be formed rib-shaped, so that chamber-shaped portions are formed between the two plates. Due to the light support ribs, the respective medium can either flow through almost unhindered. But there is also the possibility that at least a part of the rib-shaped spacers is provided with flow openings. In total, thus several absorption segments are formed. The support ribs can be designed so that they deform in the event of an incident and do not lead to a deformation of the vehicle interior floor. The shape of the vehicle floor can be arbitrary, for example, flat, curved, angled etc. For reasons of weight, the first plate and the spacer parts can preferably be made of a light metal, for example an aluminum alloy.

Alternativ zu den Platten kann auch ein rohrförmiges Teil bzw. ein Rohr die Vorrichtung bilden, wobei Abstandsteile, Ausströmöffnung etc. eingebunden sind, die ihrerseits dieselben Aufgaben / Funktionen wie bei einer Plattenanordnung erfüllen.As an alternative to the plates, a tubular part or a pipe can also form the device, wherein spacer parts, outflow opening etc. are integrated, which in turn fulfill the same tasks / functions as in the case of a plate arrangement.

Die erfindungsgemäße Vorrichtung kann vorzugsweise als Minen-Schutzvorrichtung verwendet werden, die im Bodenbereich eines Fahrzeuges anordbar ist, wobei die erste Platte der Vorrichtung erdbodenseitig angeordnet und die fahrzeugseitig angeordnete zweite Platte als biegesteifer Innenboden des Fahrzeuges ausgebildet ist.The device according to the invention can preferably be used as a mine protection device, which can be arranged in the floor area of a vehicle, the first plate of the device being arranged on the ground floor side and the second plate arranged on the vehicle being designed as a rigid inner floor of the vehicle.

Es ist aber auch eine bevorzugte Verwendung der erfindungsgemäßen Vorrichtung als Aufpralldämpfer für ein (auch ziviles) Kraftfahrzeug möglich. Dabei kann die erfindungsgemäße Vorrichtung sowohl frontseitig als auch heckseitig an dem entsprechenden Kraftfahrzeug angeordnet werden. Es ist aber auch denkbar, die erfindungsgemäße Vorrichtung beispielsweise in die Seitenwände des Kraftfahrzeuges zu integrieren.But it is also a preferred use of the device according to the invention as an impact absorber for a (civilian) motor vehicle possible. In this case, the device according to the invention can be arranged both on the front side and the rear side on the corresponding motor vehicle. However, it is also conceivable to integrate the device according to the invention, for example, in the side walls of the motor vehicle.

Die Vorteile liegen unter anderem in der Verringerung des Verletzungsrisikos der Fahrzeugbesatzung und eines geringeren Gewichts im Vergleich mit Stahl- oder Verbundplatten. Durch die Querschnittseinstellung kann zwischen einer harten oder weichen Einkopplung der Druckwelle und damit die Absorption eingestellt werden. Das heißt, der Grad der Minderung wird neben der Viskosität des Materials auch durch den im Ereignisfall zu durchströmenden Querschnitt bestimmt.The benefits include reducing the risk of injury to the vehicle crew and lighter weight compared to steel or composite panels. Due to the cross-sectional adjustment can be adjusted between a hard or soft coupling of the pressure wave and thus the absorption. That is, the degree of reduction is determined not only by the viscosity of the material but also by the cross section to be flowed through in the event of an event.

Das Übereinanderliegen derartiger Einrichtungen bzw. Vorrichtungen mit beispielsweise unterschiedlichen Härteeinstellungen ermöglicht in einer weiteren Variante gestufte Absorptionen, das heißt je nach Schwere des Ereignisses, insbesondere bei Kraftfahrzeugen. Bei schwachen Ereignissen wird somit nicht gleich der gesamte Schutzmechanismus ,aufgebraucht'.The superimposition of such devices or devices with, for example, different hardness settings allows in a further variant graded absorptions, that is, depending on the severity of the event, especially in motor vehicles. For weak events, therefore, the entire protection mechanism is not used up immediately.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus dem folgenden, anhand einer Figur erläuterten Ausführungsbeispiel.Further details and advantages of the invention will become apparent from the following, explained with reference to a figure embodiment.

Die Figur gibt den Querschnitt einer stark vereinfacht dargestellten erfindungsgemäßen Minen-Schutzvorrichtung wieder. Dabei ist die Minen-Schutzvorrichtung mit dem Bezugszeichen 1 angedeutet. Die Minen-Schutzvorrichtung 1 wird durch eine Art Viskositäts-, Fließ- bzw. Strömungsbremse gebildet, die ein Füllmaterial 13 aufnehmen kann und über wenigstens eine Austrittsöffnung 10 (11) verfügt. Durch die Viskosität des eingesetzten Materials, den in einer besonderen Ausführung einstellbaren Querschnitt und damit den eigentlichen Fließ- und Strömungseigenschaften, wird der Grad der Minderung eingestellt bzw. geregelt.The figure shows the cross section of a mine-protection device according to the invention shown greatly simplified again. The mine protection device is indicated by the reference numeral 1. The mine protection device 1 is formed by a type of viscosity, flow or flow brake, which can receive a filling material 13 and has at least one outlet opening 10 (11). Due to the viscosity of the material used, the adjustable in a particular embodiment cross section and thus the actual flow and flow properties, the degree of reduction is adjusted or regulated.

Die Vorrichtung 1 bzw. Bremse setzt sich in einer einfachen Ausführung im Wesentlichen aus zwei voneinander beabstandete Flächen 2, 3, hier zwei Platten zusammen, welche vorzugsweise über hochgezogene Seitenwände 4, 5 und / oder mehrere stegförmige Abstandsteile 6 miteinander verbunden sind und zur Aufnahme des Mediums bzw. Füllmaterials 13 dienen. Die hochgezogenen Seitenwände 4, 5 haben den Vorteil, dass das Medium 13 hoch gedrückt wieder verwendet werden kann und nicht verloren geht. Seitliche Auffangbehälter können diese Aufgabe aber auch übernehmen.The device 1 or brake is composed in a simple embodiment substantially of two spaced-apart surfaces 2, 3, here two plates together, which are preferably connected to one another via raised side walls 4, 5 and / or a plurality of web-shaped spacers 6 and for receiving the Medium or filling material 13 serve. The raised side walls 4, 5 have the advantage that the medium 13 can be used again high pressed and is not lost. Side collecting containers can also take over this task.

Die beispielsweise aus einer Aluminiumlegierung bestehende erste Platte 2 ist dem Erdboden (nicht dargestellt) benachbart angeordnet, sodass die bei Detonation einer Mine erzeugte Druckkraft zunächst auf diese Platte 2 wirkt.The existing example of an aluminum alloy first plate 2 (not shown) adjacent to the ground, so that the pressure force generated upon detonation of a mine initially acts on this plate 2.

Während die erste Platte 2 und die stegförmigen Abstandsteile 6 hinsichtlich ihrer Materialeigenschaften, ihrer Wandstärke und ihres Aufbaus derart ausgelegt sind, dass sie bei entsprechender Krafteinwirkung auf die erste Platte 2 mindestens in Teilbereichen gegenüber der zweiten Platte 3 verformbar sind, ist die zweite Platte 3 als biegesteifer Innenboden des Fahrzeuges ausgebildet. Hierzu besteht die zweite Platte 3 beispielsweise aus zwei sandwichartig angeordneten Blechen 7, 8 beispielsweise aus einem Leichtmetall, die über biegesteife Stützteile 9 miteinander verbunden sind.While the first plate 2 and the web-shaped spacers 6 are designed in terms of their material properties, their wall thickness and their construction such that they are deformable with a corresponding force on the first plate 2 at least in partial areas relative to the second plate 3, the second plate 3 as rigid inner bottom of the vehicle formed. For this purpose, the second plate 3, for example, consists of two sandwiched plates 7, 8, for example, a light metal, which are connected to each other via rigid support members 9.

In jeder der beiden Seitenwände 4, 5 befindet sich eine (gegebenenfalls) verschließbare Ausströmöffnung 10, 11 mit einem vordefinierten Strömungsquerschnitt.In each of the two side walls 4, 5 there is an (optionally) closable outflow opening 10, 11 with a predefined flow cross section.

Der zwischen den beiden Platten 2, 3 befindliche Innenraum 12 ist von einem Füllmaterial 13, beispielsweise einem Kunststoffschaum, ausgefüllt.The interior space 12 located between the two plates 2, 3 is filled by a filling material 13, for example a plastic foam.

Wird nun beim Überfahren einer Mine diese gezündet, so wirkt die dadurch entstehende Druckwelle zunächst auf die verformbar ausgebildete erste Platte 2 und drückt diese in Richtung auf die biegesteife zweite Platte 3. Dabei werden die stegförmigen Abstandsteile 6 gestaucht oder ausgebogen. Das in dem Innenraum 12 zwischen den Platten 2, 3 befindliche Füllmaterial 13 wird mindestens teilweise durch die Ausströmöffnungen 10, 11 gedrückt, sodass durch den Strömungswiderstand des Füllmaterials 13 im Bereich der Ausströmöffnungen 10, 11 die gewünschte Energieabsorption erfolgt.If, when passing a mine, it ignites, the resulting pressure wave first acts on the deformable first plate 2 and presses it in the direction of the rigid second plate 3. The web-shaped spacer parts 6 are compressed or bent out. The filling material 13 located in the interior space 12 between the plates 2, 3 is pressed at least partially through the outflow openings 10, 11, so that the desired energy absorption occurs due to the flow resistance of the filling material 13 in the region of the outflow openings 10, 11.

Die Mittel bzw. Flächen 2, 3 können insbesondere bei kleineren Abmessungen für Crashfälle aber auch durch eine Art Rohr / Stoßstange etc. gebildet werden (nicht näher dargestellt), das u-förmig gebogen ausgebildet sein kann und an einem Fahrzeug befestigbar ist. Die Oberseite des Rohres sollte die Aufgabe der biegesteifen Platte 3 übernehmen, wobei selbstverständlich eine zusätzliche, biegesteife Platte das Rohr unterstützen kann.The means or surfaces 2, 3 can be formed in particular for smaller dimensions for crashes but also by a kind of tube / bumper, etc. (not shown in detail), which may be U-shaped bent and fastened to a vehicle. The top of the tube should take over the task of the rigid plate 3, which of course an additional, rigid plate can support the tube.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Vorrichtung, Minen-SchutzvorrichtungDevice, mine protection device
22
(erste) Platte / Fläche(first) plate / surface
33
(zweite) Platte / Fläche(second) plate / surface
4, 54, 5
Seitenwändeside walls
66
Abstandsteilspacer
7, 87, 8
Blechesheets
99
Stützteilsupporting part
10, 1110, 11
Ausströmöffnungenoutflow
1212
Innenrauminner space
1313
Füllmaterialfilling material

Claims (16)

Vorrichtung zur Energieabsorption, insbesondere vor einer durch Minen ausgelösten Druckwelle und / oder einen Crash, mit den Merkmalen: - Mittel (2, 3) zur Aufnahme eines Mediums / Füllmaterials (13), - das Mittel (2, 3) verfügt über eine verformbare Fläche (2) und eine der verformbaren Fläche (2) gegenüberliegende Fläche (3) sowie wenigstens eine Austrittsöffnung (10, 11) zwischen diesen Flächen (2, 3), - bei Eintreten des Ereignisses wird die verformbare Fläche (2) des Mittels (2, 3) gegen die andere Fläche (3) gedrückt, sodass - das Füllmaterial (13) mindestens teilweise durch die Ausströmöffnung (10, 11) gedrückt wird und - durch den Strömungswiderstand des Füllmaterials (13) im Bereich der Ausströmöffnung (10, 11) die Energieabsorption erfolgt. Device for energy absorption, in particular before a pressure wave triggered by mines and / or a crash, having the features: - means (2, 3) for receiving a medium / filling material (13), - The means (2, 3) has a deformable surface (2) and one of the deformable surface (2) opposite surface (3) and at least one outlet opening (10, 11) between these surfaces (2, 3), - When the event occurs, the deformable surface (2) of the means (2, 3) is pressed against the other surface (3), so that - The filling material (13) at least partially through the outflow opening (10, 11) is pressed and - By the flow resistance of the filling material (13) in the region of the outflow opening (10, 11), the energy absorption takes place. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass als Mittel (2, 3) mindestens zwei voneinander durch Abstandsteile (6) beabstandeten Platten (2, 3) eingebunden sind, wobei die erste Platte (2) derart angeordnet ist, dass die mit der zu absorbierenden Energie verbundene Kraft zunächst auf diese Platte (2) wirkt.Apparatus according to claim 1, characterized in that as means (2, 3) at least two spaced apart by spacers (6) plates (2, 3) are incorporated, wherein the first plate (2) is arranged such that with the zu absorbing energy associated force first acts on this plate (2). Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die erste Platte (2) und die mit ihr verbundenen Abstandsteile (6) sind hinsichtlich ihrer Materialeigenschaften, ihrer Wandstärke und ihres Aufbaus derart ausgelegt, dass sie bei entsprechender Krafteinwirkung auf die erste Platte (2) mindestens in Teilbereichen gegenüber der zweiten Platte (3) verformbar sind.Apparatus according to claim 2, characterized in that the first plate (2) and its associated spacer parts (6) are designed in terms of their material properties, their wall thickness and their construction such that they with appropriate force on the first plate (2) at least in partial areas relative to the second plate (3) are deformable. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das Füllmaterial (13) eine Flüssigkeit, ein Gel, einen Kunststoff- oder Metallschaum oder ein Granulat ist.Apparatus according to claim 2 or 3, characterized in that the filling material (13) is a liquid, a gel, a plastic or metal foam or granules. Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die mindestens eine Ausströmöffnung (10, 11) mit definiertem Strömungsquerschnitt versehen ist, durch welche bei einer Abstandsverringerung der beiden Platten (2, 3) das Füllmaterial (13) mindestens teilweise aus dem Innenraum (12) der Vorrichtung (1) gedrückt wird.Device according to one of claims 1 to 4, characterized in that the at least one outflow opening (10, 11) is provided with a defined flow cross-section through which at a distance reduction of the two plates (2, 3), the filling material (13) at least partially from the Interior (12) of the device (1) is pressed. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die beiden Platten (2, 3) über Seitenwände (4, 5) miteinander verbunden sind, und dass sich mindestens in einer der Seitenwände (4, 5) die Ausströmöffnung (10, 11) befindet.Device according to one of claims 1 to 5, characterized in that the two plates (2, 3) via side walls (4, 5) are interconnected, and that at least in one of the side walls (4, 5) the outflow opening (10, 11) is located. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Strömungsquerschnitt der Ausströmöffnung (10, 11) durch ein Ventil regelbar ist.Device according to one of claims 1 to 6, characterized in that the flow cross-section of the outflow opening (10, 11) can be regulated by a valve. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Abstandsteile (6) stegförmig ausgebildet sind.Device according to one of claims 1 to 7, characterized in that the spacer parts (6) are web-shaped. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Abstandsteile (6) rippenförmig ausgebildet sind, sodass kammerförmige Teilbereiche zwischen den beiden Platten (2, 3) gebildet werden, und dass mindestens ein Teil der rippenförmigen Abstandsteile mit Durchströmöffnungen versehen sind.Device according to one of claims 1 to 8, characterized in that the spacer parts (6) are rib-shaped, so that chamber-shaped portions between the two plates (2, 3) are formed, and that at least a portion of the rib-shaped spacers are provided with flow openings. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die erste Platte (2) und die Abstandsteile (6) aus einem Leichtmetall bestehen.Device according to one of claims 1 to 9, characterized in that the first plate (2) and the spacer parts (6) consist of a light metal. Vorrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die zweite Platte (3) aus zwei sandwichartig angeordneten Blechen (7, 8) aus Leichtmetall oder Stahl besteht, die über biegesteife Stützteile (9) miteinander verbunden sind.Device according to one of claims 1 to 10, characterized in that the second plate (3) consists of two sandwiched sheets (7, 8) made of light metal or steel, which are connected to each other via rigid support members (9). Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Mittel ein Rohr ist, das über eine u- Form verfügen kann und zur Aufnahme des Füllmaterials (15) dient.Apparatus according to claim 1, characterized in that the means is a tube which may have a U-shape and serves to receive the filling material (15). Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass die Oberseite des Rohres biegesteif ist, wobei selbstverständlich eine zusätzliche, biegesteife Platte das Rohr unterstützen kann.Apparatus according to claim 12, characterized in that the top of the tube is rigid, wherein of course an additional, rigid plate can support the tube. Vorrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass ein Übereinanderliegen / Nebeneinanderliegen mehrere dieser Vorrichtungen mit unterschiedlichen Härteeinstellungen möglich ist.Device according to one of claims 1 to 13, characterized in that a superimposed / juxtaposed several of these devices with different hardness settings is possible. Verwendung der Vorrichtung nach einem der Ansprüche 1 bis 14 als Minen-Schutzvorrichtung, die im Bodenbereich eines Fahrzeuges anordbar ist, wobei die erste Platte der Vorrichtung erdbodenseitig angeordnet und die fahrzeugseitig angeordnete zweite Platte als biegesteifer Innenboden des Fahrzeuges ausgebildet ist.Use of the device according to one of claims 1 to 14 as a mine protection device which can be arranged in the floor area of a vehicle, wherein the first plate of the device arranged on the ground floor side and the vehicle side arranged second plate is designed as a rigid inner floor of the vehicle. Verwendung der Vorrichtung nach einem der Ansprüche 1 bis 14 als Aufpralldämpfer für ein Kraftfahrzeug, wie auch Rad- und Kettenfahrzeug.Use of the device according to one of claims 1 to 14 as an impact absorber for a motor vehicle, as well as wheeled and tracked vehicle.
EP10005661.3A 2009-06-18 2010-06-01 Device for energy absorption and use of the device as a mine protection device or an impact absorber for a motor vehicle Withdrawn EP2264395A3 (en)

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