EP2312058B1 - Impact damper with dynamic capture device - Google Patents

Impact damper with dynamic capture device Download PDF

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Publication number
EP2312058B1
EP2312058B1 EP10171191.9A EP10171191A EP2312058B1 EP 2312058 B1 EP2312058 B1 EP 2312058B1 EP 10171191 A EP10171191 A EP 10171191A EP 2312058 B1 EP2312058 B1 EP 2312058B1
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EP
European Patent Office
Prior art keywords
damping
impact damper
damper according
impact
bracing
Prior art date
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Not-in-force
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EP10171191.9A
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German (de)
French (fr)
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EP2312058A3 (en
EP2312058A2 (en
Inventor
Karl Urlberger
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SPS Schutzplanken GmbH
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SPS Schutzplanken GmbH
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Publication of EP2312058A2 publication Critical patent/EP2312058A2/en
Publication of EP2312058A3 publication Critical patent/EP2312058A3/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
    • E01F15/145—Means for vehicle stopping using impact energy absorbers
    • E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements

Definitions

  • the invention relates to a crash cushion for motor vehicles on traffic routes, which dampens the impact of a vehicle by energy consumption, eg by deformation or by friction by means of a damping element.
  • the damping element is usually made of a plurality of successively arranged vertically standing pipes, which are lined up in front of a stationary support, as in DE 10 2004 058 884 A or EP 1 197 605 A shown.
  • the pipe sections deform and convert the kinetic energy of the vehicle into deformation work, thereby damping the impact and braking the vehicle.
  • a supporting device by means of a permanently anchored in the building concrete block is unsuitable, since often the structural conditions do not allow a solidly anchored concrete support.
  • the invention is therefore based on the object to provide a crash cushion, in particular on special structures such as bridges and branches can be easily and inexpensively constructed and deployed on bridges, and at the same time can provide successful damping of an approaching vehicle.
  • a crash cushion for motor vehicles on roads which has at least one impact of a vehicle by energy consumption due to deformation and / or friction damping damping element, which is indirectly or directly supported by a dynamic catching device in the rear region of the crash cushion
  • the collecting device has at least one rotatably supported support member and a likewise rotatably connected to the support element bearing means with direct or indirect contact with the at least one damping element.
  • the support element, against which the at least one damping element is supported is advantageously bent against a resistance whose overcoming is accompanied by a reduction in the kinetic energy of the impacting vehicle, by a rotation angle.
  • the support element and the abutment means are each rotatably mounted about a substantially horizontal axis, wherein the support element is held at the bottom by means of a rotatable about said horizontal axis fortification. Due to the bending during the turn energy is consumed again.
  • the support element is designed as a substantially straight Abstweilbalken which is held obliquely at an angle by means of a bendable metal mounting bracket and rotatably supports at its upper end the abutment means for the at least one damping element.
  • the inclination of the Abstweilbalkens allows this after in-function pedaling a controlled rotation of the Abstweilbalkens.
  • the leg of the L which projects upwards after the rotation forms a stop for the moving system and builds up a last resistance to the movement.
  • the support bar can additionally be stopped by a bottom stop arranged in the bottom area, so that a further energy potential of the vehicle is again consumed by deformation work when bending this upwardly projecting leg.
  • the bottom stopper may also be in front of a damper in the direction of travel.
  • the impact damper is designed so that a main damping area and a collecting damping area are provided, the latter being supported by the support element.
  • the damper may be a unitary tube assembly, which may have any suitable subdivision.
  • the at least one support element in an impact by a vehicle with very high energy, can be bent up to a bending stop. The bending occurs only when the damping potential of the damping elements is exhausted.
  • the bottom is the bending stop.
  • damping means are provided behind the abutment means in the direction of impact, so that the abutment means is likewise dampable in the direction of impact when all preceding damping means are consumed. This considerably increases the damping potential of the crash cushion.
  • the attachment has at least one attachment flange extending in the direction of impact and fixed on the ground, the bottom attachment means of which are designed as predetermined breaking points which can break continuously in a progressive manner. It is possible to design the lying on the floor flange with a desired length in the direction of impact, so that a sufficient breaking capacity can be provided. It may be particularly favorable to provide a stopper in the floor area at a distance behind the bendable fastening as a stop for a horizontal movement of the bent-over support beams.
  • a special security can be provided by the fact that a device for preventing the separation of the construction is formed in the event of a collision, in particular on the collecting device. This ensures that due to the violence and the high energy consumption individual components can not solve and fly away.
  • Such a device for preventing the separation of a wire rope construction consist, wherein the essential elements of the construction can be pierced and held by several cables or a common rope.
  • Fig. 1 shows a plan view of an impact absorber 1 according to the invention with dynamic catching device 2.
  • the impact damper according to the invention is subdivided into a main damping area 1a and a collecting damping area 1b.
  • the invention is not limited to such a division into two parts, but may instead have any suitable configuration of a damper arrangement, that is to say with multiple subdivisions or in one piece, with the dynamic collecting device being arranged according to the invention at the end of the impact absorber.
  • the dynamic collecting device 2 is arranged in the collecting damping region 1b.
  • the crash cushion 1 has at least one damping element 3 that absorbs the impact of a vehicle by consuming energy as a result of deformation.
  • a plurality of damping elements 3 are arranged in series one behind the other as well as side by side in the main damping region 1 a such that the overall construction shows a V expanding in the direction of travel.
  • the arrangement of the damping elements 3 is supported against an end support 20.
  • the fall arrest area 1 b connects to the dynamic collecting device 2.
  • the dynamic collecting device 2 is equipped with at least one rotatably supported supporting element 5, on which a bearing means 6 is rotatably supported.
  • the dynamic collecting device 2 has a multiplicity of damping elements 3 arranged one behind the other, which are in contact contact with the end support 20 and with the abutment means 6, so that these damping elements 3 are enclosed between the abutment means 6 and the end support 20.
  • the support element 5, of which four are provided in the illustrated embodiment, supports the abutment means 6 against the ground.
  • the support elements 5 are rotatably bendable by means of a bendable attachment 8 about a horizontal axis 7.
  • Fig. 2 shows a schematic representation of a detail of in Fig.1 reproduced embodiment of the collecting device according to the invention. As in Fig. 1 indicated, three damping elements 3 are shown in front of the investment means 6, wherein the total number of in the Fig. 1 and 2 shown embodiment, thirteen damping elements 3 in the dynamic collecting device 2.
  • the support element 5 is in the in Fig. 2 illustrated embodiment, a substantially straight Abstützbalken 51 which is fixed by means of the bendable attachment 8 at the bottom.
  • the bendable attachment 8 consists in the illustrated embodiment of a metal mounting bracket 81 with a mounting flange 82 which rests on the floor.
  • the abutment means 6, which in the illustrated embodiment is essentially a suitably shaped abutment plate, is rotatably supported on the support bar 51.
  • Fig. 2 is shown in dashed lines the position of the Abstützbalkens 51 ', which he occupies when after a heavy impact, the damping elements 3 are compressed and moved over a predetermined distance, which is provided between the rest position and the Auffangwolf.
  • the contact plate of the attachment means rotates in its holder about the axis 7 and is raised by the height of the secant of the angle of rotation.
  • the mounting bracket 81 bends and thus provides a working resistance, which causes an energy consumption.
  • the damping characteristic of the dynamic collecting device 2 can be designed such that the resistance of the mounting bracket 81 is so large that first the damping elements 3 are deformed before the bending of the mounting bracket 81 so long due to the large torque on the support bar 51 in a vertical position until it comes to a stopper 14 to the plant.
  • the damping characteristic may be designed so that first the displacement of the damping elements 3 and thus the rotation of the beam 51 in the position of the beam 51 'against the resistance of the mounting bracket 81 takes place and only after installation of the beam 51 in the position 51 'on the stopper 14, the deformation work on the damping elements 3 begins.
  • Fig. 3 shows a view corresponding to those in Fig. 2 a further embodiment.
  • the support element 5 is formed as an angled, substantially L-shaped Abstützbalken 52
  • the downwardly projecting leg 9 is held by the bendable metal mounting bracket 81 and at the free end of the other, horizontally protruding leg 10, the investment means 6 rotatably supports the damping elements 3.
  • the rotatable bendable attachment 8 has in this embodiment a particularly long mounting flange 82 which is fixed by means of bottom attachment means 13 on the ground.
  • the bottom attachment means 13 are designed as a breakage protection, which can break continuously progressively. This action occurs when the angular support beam 52 is rotated from position A due to impact into position B against the resistance of the fixture 8.
  • the leg 9 comes in a horizontal position and strikes on the floor, which serves as a stop for the rotational movement on.
  • the angular shape comes Abstützbalken 52 in the position 52 'to rest against the stopper 14.
  • the stopper 14 may be attenuated in the direction of shock by a damper so that the last impact pulse is still subject to damping (not shown).
  • Fig. 4 shows a plan view of a particular arrangement of the damper 3 of the dynamic collecting device 2.
  • the damping elements 3 are arranged in five substantially in the direction of travel F extending rows, each row of the adjacent a distance 5 'has.
  • the distance 5 ' is substantially the thickness of the L-shaped Abstweilbalkens 52, so that the displacement of the damping elements 3 is free and is not blocked by the L-shaped Abstützbalken, as would be the case if adjacent rows in contact with each other and no clearance for the L-shaped braces 52 remained.
  • an apron is provided, which encloses the arrangement of the damping elements 3 in the collecting device 2, in order to prevent in a lateral impact, a knocking out of damping elements 3.
  • Fig. 5 shows a next embodiment, in which the abutment means 6 in the impact direction with at least one damping means 3 'cooperates, after all the preceding damping elements 3 are consumed.
  • a compressible dynamic collecting device 2 shown is secured by a device for preventing the structure from being singulated upon impact.
  • This device consists in the illustrated embodiment of a plurality of wire ropes 16 which are passed through openings in the damping elements 3 and other components such as in the support means 5 and in the event of destruction of the respective attachments of these parts prevent flying away of the components.
  • the invention is not limited to the illustrated and described embodiments, but also includes those provided by a combination of the various embodiments. Thus, it may be provided, for example, that the damping means 3 'behind the abutment means 6 both in a rectilinear obliquely arranged support means 5 as well as in the embodiment with an angled support member 5, namely an L-shaped support bar 52, are used.
  • the geometric shape of the damping elements 3, instead of being round, has a different shape.
  • the number of reproduced damping elements 3 is variable and not limited to the illustrated series arrangement. For example, it is also possible to use horizontal damping elements 3 or damping elements 3 of a different design, or the necessary work of deformation can be controlled by filling with a filling material, be it plastic granulate or sand, to a specific damping behavior.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Vibration Dampers (AREA)

Description

Die Erfindung betrifft einen Anpralldämpfer für Kraftfahrzeuge an Verkehrswegen, der den Anprall eines Fahrzeugs durch Energieverzehr, z.B. durch Verformung oder durch Reibung mittels eines Dämpfelements, dämpft. Das Dämpfelement besteht in der Regel aus einer Vielzahl von hintereinander angeordneten senkrecht stehenden Rohren, die vor eine unbewegliche Abstützung aufgereiht sind, wie in DE 10 2004 058 884 A oder EP 1 197 605 A gezeigt. Im Falle eines Aufpralls verformen sich die Rohrabschnitte und wandeln die kinetische Energie des Fahrzeugs in Verformungsarbeit um und dämpfen hierdurch den Aufprall und bremsen das Fahrzeug ab.The invention relates to a crash cushion for motor vehicles on traffic routes, which dampens the impact of a vehicle by energy consumption, eg by deformation or by friction by means of a damping element. The damping element is usually made of a plurality of successively arranged vertically standing pipes, which are lined up in front of a stationary support, as in DE 10 2004 058 884 A or EP 1 197 605 A shown. In the event of an impact, the pipe sections deform and convert the kinetic energy of the vehicle into deformation work, thereby damping the impact and braking the vehicle.

Bei bestimmten Bauwerken, insbesondere auf Brücken, ist jedoch eine Abstützvorrichtung mittels eines im Bauwerk fest verankerten Betonblocks ungeeignet, da oft die baulichen Gegebenheiten eine massiv verankerte Betonabstützung nicht zulassen.In certain structures, in particular on bridges, however, a supporting device by means of a permanently anchored in the building concrete block is unsuitable, since often the structural conditions do not allow a solidly anchored concrete support.

Der Erfindung liegt deshalb die Aufgabe zugrunde, einen Anpralldämpfer bereitzustellen, der insbesondere auf Sonderbauwerken wie Brücken und Abzweigungen auf Brücken einfach, kostengünstig und effizient erstellt und eingesetzt werden kann, und der gleichzeitig eine erfolgreiche Dämpfung eines auffahrenden Fahrzeugs bereitstellen kann.The invention is therefore based on the object to provide a crash cushion, in particular on special structures such as bridges and branches can be easily and inexpensively constructed and deployed on bridges, and at the same time can provide successful damping of an approaching vehicle.

Die Aufgabe wird gemäß Anspruch 1 durch einen Anpralldämpfer für Kraftfahrzeuge an Verkehrswegen gelöst, der mindestens ein den Anprall eines Fahrzeugs durch Energieverzehr infolge von Verformung und/oder Reibung dämpfendes Dämpfelement aufweist, das im hinteren Bereich des Anpralldämpfers mittelbar oder unmittelbar durch eine dynamische Auffangvorrichtung abgestützt ist, wobei die Auffangvorrichtung mindestens ein drehbar gehaltenes Abstützelement und ein mit dem Abstützelement ebenfalls drehbar verbundenes Anlagemittel mit mittelbarem oder unmittelbarem Kontakt mit dem mindestens einen Dämpfelement aufweist. Bei dem erfindungsgemäßen Anpralldämpfer wird vorteilhafterweise das Abstützelement, gegen das sich das mindestens eine Dämpfelement abstützt, gegen einen Widerstand, dessen Überwindung wiederum mit einem Abbau der kinetischen Energie des aufprallenden Fahrzeugs einhergeht, um einen Drehwinkel verbogen.The object is achieved according to claim 1 by a crash cushion for motor vehicles on roads, which has at least one impact of a vehicle by energy consumption due to deformation and / or friction damping damping element, which is indirectly or directly supported by a dynamic catching device in the rear region of the crash cushion , Wherein the collecting device has at least one rotatably supported support member and a likewise rotatably connected to the support element bearing means with direct or indirect contact with the at least one damping element. In the impact damper according to the invention, the support element, against which the at least one damping element is supported, is advantageously bent against a resistance whose overcoming is accompanied by a reduction in the kinetic energy of the impacting vehicle, by a rotation angle.

Gemäß einer vorteilhaften Ausgestaltung sind das Abstützelement und das Anlagemittel jeweils um eine im Wesentlichen waagerechte Achse drehbar gelagert, wobei das Abstützelement am Boden mittels einer um die genannte waagerechte Achse drehbar verbiegbaren Befestigung gehalten ist. Durch die Verbiegung während des Drehens wird wieder Energie verzehrt.According to an advantageous embodiment, the support element and the abutment means are each rotatably mounted about a substantially horizontal axis, wherein the support element is held at the bottom by means of a rotatable about said horizontal axis fortification. Due to the bending during the turn energy is consumed again.

Bei einer ersten Ausführungsform kann es günstig sein, dass das Abstützelement als im Wesentlichen gerader Abstützbalken ausgebildet ist, der schräg im Winkel mittels eines verbiegbaren metallenen Befestigungswinkels gehalten ist und an seinem oberen Ende das Anlagemittel für das mindestens eine Dämpfelement drehbar lagert. Die Schrägstellung des Abstützbalkens ermöglicht dabei nach In-Funktion-Treten eine kontrollierte Drehung des Abstützbalkens. Bei einer anderen Ausführungsform kann es günstig sein, das Abstützelement als einen abgewinkelten, im wesentlichen L-förmigen Abstützbalken auszubilden, dessen einer nach unten ragender Schenkel mittels eines verbiegbaren metallenen Befestigungsmittels in senkrechter Stellung gehalten ist und der an dem freien Ende des waagerecht nach vorne ragenden anderen Schenkels das Anlagemittel für das mindestens eine Dämpfelement drehbar lagert. Kommt es zu einem maximalen Dämpfungsfall, so bildet der nach der Drehung nach oben ragende Schenkel des L einen Anschlag für das sich bewegende System und baut einen letzten Widerstand gegen die Bewegung auf. Dabei kann der Abstützbalken noch zusätzlich durch einen im Bodenbereich angeordneten Bodenstopper aufgehalten werden, so dass ein weiteres Energiepotential des Fahrzeugs wieder durch Verformungsarbeit beim Umbiegen dieses nach oben ragenden Schenkels verzehrt wird. Auch der Bodenstopper kann in Fahrtrichtung vor einem Dämpfer stehen.In a first embodiment, it may be favorable that the support element is designed as a substantially straight Abstützbalken which is held obliquely at an angle by means of a bendable metal mounting bracket and rotatably supports at its upper end the abutment means for the at least one damping element. The inclination of the Abstützbalkens allows this after in-function pedaling a controlled rotation of the Abstützbalkens. In another embodiment, it may be beneficial to form the support element as an angled, substantially L-shaped Abstützbalken whose one downwardly projecting leg by means of a bendable metal fastener is held in a vertical position and rotatably supports the abutment means for the at least one damping element at the free end of the other leg projecting horizontally forward. If there is a maximum damping case, then the leg of the L which projects upwards after the rotation forms a stop for the moving system and builds up a last resistance to the movement. In this case, the support bar can additionally be stopped by a bottom stop arranged in the bottom area, so that a further energy potential of the vehicle is again consumed by deformation work when bending this upwardly projecting leg. The bottom stopper may also be in front of a damper in the direction of travel.

Günstigerweise ist der Anpralldämpfer so gestaltet, dass ein Dämpfungshauptbereich und ein Auffangdämpfungsbereich vorgesehen sind, wobei letzterer von dem Abstützelement abgestützt ist. Bei einer anderen Bauform kann der Dämpfer eine einheitliche Rohranordnung sein, die jede geeignete Unterteilung aufweisen kann.Conveniently, the impact damper is designed so that a main damping area and a collecting damping area are provided, the latter being supported by the support element. In another design, the damper may be a unitary tube assembly, which may have any suitable subdivision.

Es kann besonders günstig sein, wenn bei dem Anpralldämpfer eine Vielzahl von Dämpfelementen in mindestens einer Reihe hintereinander angeordnet ist. Diese günstige Ausbildung ist sowohl bei dem Dämpfungshauptbereich als auch bei dem Auffangdämpfungsbereich vorgesehen.It can be particularly favorable if, in the crash cushion, a plurality of damping elements is arranged in at least one row one behind the other. This favorable training is provided both in the main damping area and in the collection damping area.

Vorteilhafterweise ist bei einem Anprall durch ein Fahrzeug mit sehr hoher Energie das mindestens eine Abstützelement bis zu einem Biegeanschlag verbiegbar. Dabei tritt die Verbiegung erst dann auf, wenn das Dämpfungspotenzial der Dämpfelemente ausgeschöpft ist.Advantageously, in an impact by a vehicle with very high energy, the at least one support element can be bent up to a bending stop. The bending occurs only when the damping potential of the damping elements is exhausted.

Vorteilhafterweise ist bei dem im Wesentlichen L-förmigen Abstützelement der Boden der Biegeanschlag.Advantageously, in the case of the essentially L-shaped support element, the bottom is the bending stop.

Bei einer weiteren vorteilhaften Ausgestaltung kann vorgesehen sein, dass hinter dem Anlagemittel in Anprallrichtung weitere Dämpfungsmittel vorgesehen sind, so dass das Anlagemittel in Anprallrichtung ebenfalls dämpfbar ist, wenn alle vorangegebenen Dämpfungsmittel aufgezehrt sind. Hierdurch erhöht sich das Dämpfungspotenzial des Anpralldämpfers erheblich.In a further advantageous embodiment, it can be provided that further damping means are provided behind the abutment means in the direction of impact, so that the abutment means is likewise dampable in the direction of impact when all preceding damping means are consumed. This considerably increases the damping potential of the crash cushion.

Bei einer weiteren vorteilhaften Ausgestaltung kann vorgesehen sein, dass die Befestigung mindestens einen sich in Stoßrichtung erstreckenden, auf dem Boden fixierten Befestigungsflansch aufweist, dessen Bodenbefestigungsmittel als Sollbruchstellen ausgebildet sind, die kontinuierlich fortschreitend brechen können. Dabei ist es möglich, den auf dem Boden liegenden Flansch mit einer gewünschten Länge in Stoßrichtung auszugestalten, so dass eine hinreichende Bruchkapazität bereitgestellt werden kann. Besonders günstig kann es sein, einen Stopper im Bodenbereich im Abstand hinter der verbiegbaren Befestigung als einen Anschlag für eine waagerechte Bewegung der umgebogenen Abstützbalken vorzusehen.In a further advantageous embodiment it can be provided that the attachment has at least one attachment flange extending in the direction of impact and fixed on the ground, the bottom attachment means of which are designed as predetermined breaking points which can break continuously in a progressive manner. It is possible to design the lying on the floor flange with a desired length in the direction of impact, so that a sufficient breaking capacity can be provided. It may be particularly favorable to provide a stopper in the floor area at a distance behind the bendable fastening as a stop for a horizontal movement of the bent-over support beams.

Eine besondere Sicherheit kann dadurch bereitgestellt werden, dass eine Vorrichtung zum Verhindern des Vereinzelns der Konstruktion bei einem Aufprall insbesondere an der Auffangvorrichtung ausgebildet ist. Hierdurch wird sichergestellt, dass durch die Heftigkeit und den hohen Energieverzehr einzelne Bauteile sich nicht lösen und wegfliegen können.A special security can be provided by the fact that a device for preventing the separation of the construction is formed in the event of a collision, in particular on the collecting device. This ensures that due to the violence and the high energy consumption individual components can not solve and fly away.

Besonders vorteilhaft kann eine solche Vorrichtung zum Verhindern des Vereinzelns aus einer Drahtseilkonstruktion bestehen, wobei die wesentlichen Elemente der Konstruktion durchbohrt sein und von mehreren Seilen oder einem gemeinsamen Seil gehalten werden können.Particularly advantageous such a device for preventing the separation of a wire rope construction consist, wherein the essential elements of the construction can be pierced and held by several cables or a common rope.

Im Folgenden wird die Erfindung anhand der in den Zeichnungen dargestellten Ausführungsbeispiele näher erläutert.In the following the invention will be explained in more detail with reference to the embodiments illustrated in the drawings.

Es zeigenShow it

  • Fig. 1 eine Draufsicht auf einen schematisch dargestellten Anpralldämpfer mit dynamischer Auffangvorrichtung, Fig. 1 a top view of a schematically illustrated impact absorber with dynamic catching device,
  • Fig. 2 eine Seitenansicht eines Details einer ersten Ausführungsform der erfindungsgemäßen Auffangvorrichtung, Fig. 2 a side view of a detail of a first embodiment of the collecting device according to the invention,
  • Fig. 3 eine Ansicht entsprechend Fig. 2 einer weiteren Ausführungsform, Fig. 3 a view accordingly Fig. 2 another embodiment,
  • Fig. 4 eine Teilansicht entsprechend der Darstellung in Fig. 1 einer nächsten Ausführungsform der Erfindung, Fig. 4 a partial view as shown in Fig. 1 a next embodiment of the invention,
  • Fig. 5 eine Ausführungsform mit zusätzlichen Dämpfelementen hinter den Anlagemitteln, Fig. 5 an embodiment with additional damping elements behind the attachment means,
  • Fig.6 eine Darstellung einer zusammengedrückten Auffangvorrichtung gemäß Ausführungsbeispiel von Fig. 3 und Figure 6 an illustration of a compressed collecting device according to embodiment of Fig. 3 and
  • Fig. 7 eine Detaildarstellung entsprechend Fig. 1 mit einer Vorrichtung zum Verhindern des Vereinzelns. Fig. 7 a detailed representation accordingly Fig. 1 with a device for preventing the singulation.

Fig. 1 zeigt eine Draufsicht auf einen erfindungsgemäßen Anpralldämpfer 1 mit dynamischer Auffangvorrichtung 2. Der erfindungsgemäße Anpralldämpfer untergliedert sich in einen Dämpfungshauptbereich 1a und einen Auffangdämpfungsbereich 1 b. Die Erfindung ist jedoch nicht auf eine solche Zweiteilung beschränkt, sie kann vielmehr jede geeignete Ausgestaltung einer Dämpferanordnung aufweisen, also mit mehrfacher Unterteilung oder einteilig ausgebildet sein, wobei erfindungsgemäß die dynamische Auffangvorrichtung am Ende des Anpralldämpfers angeordnet ist. Fig. 1 shows a plan view of an impact absorber 1 according to the invention with dynamic catching device 2. The impact damper according to the invention is subdivided into a main damping area 1a and a collecting damping area 1b. However, the invention is not limited to such a division into two parts, but may instead have any suitable configuration of a damper arrangement, that is to say with multiple subdivisions or in one piece, with the dynamic collecting device being arranged according to the invention at the end of the impact absorber.

Im dargestellten Ausführungsbeispiel ist in dem Auffangdämpfungsbereich 1b die dynamische Auffangvorrichtung 2 angeordnet. Der Anpralldämpfer 1 weist mindestens ein den Anprall eines Fahrzeugs durch Energieverzehr infolge von Verformung dämpfendes Dämpfelement 3 auf. In dem dargestellten Ausführungsbeispiel sind in dem Dämpfungshauptbereich 1 a mehrere Dämpfelemente 3 in Reihe hintereinander wie auch nebeneinander dergestalt angeordnet, dass die Gesamtkonstruktion ein sich in Fahrtrichtung erweiterndes V zeigt.In the illustrated embodiment, the dynamic collecting device 2 is arranged in the collecting damping region 1b. The crash cushion 1 has at least one damping element 3 that absorbs the impact of a vehicle by consuming energy as a result of deformation. In the illustrated embodiment, a plurality of damping elements 3 are arranged in series one behind the other as well as side by side in the main damping region 1 a such that the overall construction shows a V expanding in the direction of travel.

Die Anordnung der Dämpfelemente 3 ist gegen eine Endabstützung 20 abgestützt. An die Endabstützung 20 schließt sich der Auffangdämpfungsbereich 1 b mit der dynamischen Auffangvorrichtung 2 an. Die dynamische Auffangvorrichtung 2 ist mit mindestens einem drehbar gehaltenen Abstützelement 5 ausgestattet, an dem ein Anlagemittel 6 drehbar gehalten ist. Die dynamische Auffangvorrichtung 2 weist eine Vielzahl von hintereinander angeordneten Dämpfelementen 3 auf, die in Berührkontakt zum einen mit der Endabstützung 20 und zum anderen mit dem Anlagemittel 6 stehen, so dass diese Dämpfelemente 3 zwischen dem Anlagemittel 6 und der Endabstützung 20 eingeschlossen sind. Das Abstützelement 5, von dem in dem dargestellten Ausführungsbeispiel vier vorgesehen sind, stützt das Anlagemittel 6 gegen den Boden ab. Die Abstützelemente 5 sind dabei mittels einer verbiegbaren Befestigung 8 um eine waagerechte Achse 7 drehbar verbiegbar.The arrangement of the damping elements 3 is supported against an end support 20. At the Endabstützung 20, the fall arrest area 1 b connects to the dynamic collecting device 2. The dynamic collecting device 2 is equipped with at least one rotatably supported supporting element 5, on which a bearing means 6 is rotatably supported. The dynamic collecting device 2 has a multiplicity of damping elements 3 arranged one behind the other, which are in contact contact with the end support 20 and with the abutment means 6, so that these damping elements 3 are enclosed between the abutment means 6 and the end support 20. The support element 5, of which four are provided in the illustrated embodiment, supports the abutment means 6 against the ground. The support elements 5 are rotatably bendable by means of a bendable attachment 8 about a horizontal axis 7.

Fig. 2 zeigt in schematischer Darstellung ein Detail der in Fig.1 wiedergegebenen Ausführungsform der erfindungsgemäßen Auffangvorrichtung. Wie in Fig. 1 angedeutet, sind vor dem Anlagemittel 6 drei Dämpfelemente 3 wiedergegeben, wobei die Gesamtzahl des in den Fig. 1 und 2 gezeigten Ausführungsbeispiels dreizehn Dämpfelemente 3 in der dynamischen Auffangvorrichtung 2 beträgt. Fig. 2 shows a schematic representation of a detail of in Fig.1 reproduced embodiment of the collecting device according to the invention. As in Fig. 1 indicated, three damping elements 3 are shown in front of the investment means 6, wherein the total number of in the Fig. 1 and 2 shown embodiment, thirteen damping elements 3 in the dynamic collecting device 2.

Das Abstützelement 5 ist in dem in Fig. 2 dargestellten Ausführungsbeispiel ein im Wesentlichen gerader Abstützbalken 51, der mittels der verbiegbaren Befestigung 8 am Boden befestigt ist. Die verbiegbare Befestigung 8 besteht in dem dargestellten Ausführungsbeispiel aus einem metallenen Befestigungswinkel 81 mit einem Befestigungsflansch 82, der auf dem Boden aufliegt. Am oberen Ende des Abstützelements 5 ist das Anlagemittel 6, bei dem es sich in dem dargestellten Ausführungsbeispiel im Wesentlichen um eine geeignet geformte Anlageplatte handelt, drehbar an dem Abstützbalken 51 gehalten.The support element 5 is in the in Fig. 2 illustrated embodiment, a substantially straight Abstützbalken 51 which is fixed by means of the bendable attachment 8 at the bottom. The bendable attachment 8 consists in the illustrated embodiment of a metal mounting bracket 81 with a mounting flange 82 which rests on the floor. At the upper end of the support element 5, the abutment means 6, which in the illustrated embodiment is essentially a suitably shaped abutment plate, is rotatably supported on the support bar 51.

In Fig. 2 ist in gestrichelter Darstellung die Lage des Abstützbalkens 51' wiedergegeben, die er einnimmt, wenn nach einem heftigen Aufprall die Dämpfelemente 3 zusammengedrückt und über eine vorbestimmte Distanz, welche zwischen der Ruhestellung und der Auffangstellung vorgesehen ist, verschoben worden sind. Dabei dreht sich die Anlageplatte des Anlagemittels in ihrer Halterung um die Achse 7 und wird um die Höhe der Sekante des Drehwinkels angehoben. Gleichzeitig verbiegt sich der Befestigungswinkel 81 und leistet so einen Arbeitswiderstand, der einen Energieverzehr bewirkt.In Fig. 2 is shown in dashed lines the position of the Abstützbalkens 51 ', which he occupies when after a heavy impact, the damping elements 3 are compressed and moved over a predetermined distance, which is provided between the rest position and the Auffangstellung. In this case, the contact plate of the attachment means rotates in its holder about the axis 7 and is raised by the height of the secant of the angle of rotation. At the same time, the mounting bracket 81 bends and thus provides a working resistance, which causes an energy consumption.

Die Dämpfcharakteristik der dynamischen Auffangvorrichtung 2 kann dergestalt ausgelegt werden, dass der Widerstand des Befestigungswinkels 81 so groß ist, dass zunächst die Dämpfelemente 3 verformt werden, bevor die Verbiegung des Befestigungswinkels 81 infolge des großen Drehmoments auf dem Abstützbalken 51 in eine senkrechte Stellung so lange erfolgt, bis er an einem Stopper 14 zur Anlage kommt. Bei einer alternativen Ausführungsform kann die Dämpfcharakteristik jedoch so ausgelegt werden, dass zunächst die Verschiebung der Dämpfelemente 3 und somit die Drehung des Balkens 51 in die Position des Balkens 51' gegen den Widerstand des Befestigungswinkels 81 erfolgt und erst nach Anlage des Balkens 51 in der Position 51' an dem Stopper 14 die Verformungsarbeit an den Dämpfelementen 3 beginnt.The damping characteristic of the dynamic collecting device 2 can be designed such that the resistance of the mounting bracket 81 is so large that first the damping elements 3 are deformed before the bending of the mounting bracket 81 so long due to the large torque on the support bar 51 in a vertical position until it comes to a stopper 14 to the plant. In an alternative embodiment, however, the damping characteristic may be designed so that first the displacement of the damping elements 3 and thus the rotation of the beam 51 in the position of the beam 51 'against the resistance of the mounting bracket 81 takes place and only after installation of the beam 51 in the position 51 'on the stopper 14, the deformation work on the damping elements 3 begins.

Fig. 3 zeigt eine Ansicht entsprechend derjenigen in Fig. 2 einer weiteren Ausführungsform. Bei dieser Ausführungsform ist das Abstützelement 5 als abgewinkelter, im Wesentlichen L-förmiger Abstützbalken 52 ausgebildet, dessen nach unten ragender Schenkel 9 mittels des verbiegbaren metallenen Befestigungswinkels 81 gehalten ist und der an dem freien Ende des anderen, waagerecht nach vorne ragenden Schenkels 10 das Anlagemittel 6 für die Dämpfelemente 3 drehbar lagert. Die drehbar verbiegbare Befestigung 8 weist bei dieser Ausführungsform einen besonders langen Befestigungsflansch 82 auf, der mittels Bodenbefestigungsmitteln 13 am Boden fixiert ist. Die Bodenbefestigungsmittel 13 sind als Bruchsicherung ausgebildet, die kontinuierlich fortschreitend brechen kann. Dieser Vorgang tritt dann ein, wenn der winkelförmige Abstützbalken 52 aus der Position A infolge eines Aufpralls in die Position B gegen den Widerstand der Befestigung 8 verdreht wird. Dies kann ebenso wie bei dem in Verbindung mit Fig. 2 beschriebenen Ausführungsbeispiel in Abhängigkeit von der Widerstandsfähigkeit der Befestigung 8 entweder vor einem Zusammendrücken der Dämpfelemente 3 oder erst nach einem Zusammendrücken dieser Dämpfelemente 3 geschehen. Jedenfalls kommt der Schenkel 9 in eine waagerechte Position und schlägt auf dem Boden, der als Anschlag für die Drehbewegung dient, auf. Wenn die Bruchsicherung durch das kontinuierliche Abreißen der Bodenbefestigungsmittel 13 erschöpft ist, kommt der winkelförmige Abstützbalken 52 in der Position 52' zur Anlage an den Stopper 14. In dieser Stellung kann gegebenenfalls ein Zusammendrücken der Dämpfelemente 3 erfolgen. Auch der Stopper 14 kann in Stoßrichtung durch einen Dämpfer so gedämpft sein, dass der letzte Anprallimpuls noch einer Dämpfung unterliegt (nicht dargestellt). Fig. 3 shows a view corresponding to those in Fig. 2 a further embodiment. In this embodiment, the support element 5 is formed as an angled, substantially L-shaped Abstützbalken 52, the downwardly projecting leg 9 is held by the bendable metal mounting bracket 81 and at the free end of the other, horizontally protruding leg 10, the investment means 6 rotatably supports the damping elements 3. The rotatable bendable attachment 8 has in this embodiment a particularly long mounting flange 82 which is fixed by means of bottom attachment means 13 on the ground. The bottom attachment means 13 are designed as a breakage protection, which can break continuously progressively. This action occurs when the angular support beam 52 is rotated from position A due to impact into position B against the resistance of the fixture 8. This can be done as well as in conjunction with Fig. 2 described embodiment, depending on the resistance of the attachment 8 done either before squeezing the damping elements 3 or only after compression of these damping elements 3. In any case, the leg 9 comes in a horizontal position and strikes on the floor, which serves as a stop for the rotational movement on. When the fracture protection is exhausted by the continuous tearing off of the floor fasteners 13, the angular shape comes Abstützbalken 52 in the position 52 'to rest against the stopper 14. In this position, optionally, a compression of the damping elements 3 take place. Also, the stopper 14 may be attenuated in the direction of shock by a damper so that the last impact pulse is still subject to damping (not shown).

Fig. 4 zeigt in Draufsicht eine besondere Anordnung der Dämpfer 3 der dynamischen Auffangvorrichtung 2. Hierbei sind die Dämpfelemente 3 in fünf sich im Wesentlichen in Fahrtrichtung F erstreckende Reihen angeordnet, wobei jede Reihe von der benachbarten einen Abstand 5' aufweist. Der Abstand 5' beträgt im Wesentlichen die Dicke des L-förmigen Abstützbalkens 52, so dass der Verschiebeweg der Dämpfelemente 3 frei ist und nicht von dem L-förmigen Abstützbalken versperrt wird, wie es der Fall wäre, wenn nebeneinander stehende Reihen in Berührkontakt miteinander stünden und kein Freiraum für die L-förmigen Abstützbalken 52 verbliebe. In der dargestellten Ansicht ist, wie bei den anderen Ausführungsbeispielen ebenfalls, eine Schürze vorgesehen, welche die Anordnung der Dämpfelemente 3 in der Auffangvorrichtung 2 umschließt, um gegebenenfalls bei einem seitlichen Aufprall ein Herausschlagen von Dämpfelementen 3 zu verhindern. Fig. 4 shows a plan view of a particular arrangement of the damper 3 of the dynamic collecting device 2. Here, the damping elements 3 are arranged in five substantially in the direction of travel F extending rows, each row of the adjacent a distance 5 'has. The distance 5 'is substantially the thickness of the L-shaped Abstützbalkens 52, so that the displacement of the damping elements 3 is free and is not blocked by the L-shaped Abstützbalken, as would be the case if adjacent rows in contact with each other and no clearance for the L-shaped braces 52 remained. In the illustrated view, as in the other embodiments also, an apron is provided, which encloses the arrangement of the damping elements 3 in the collecting device 2, in order to prevent in a lateral impact, a knocking out of damping elements 3.

Fig. 5 zeigt ein nächstes Ausführungsbeispiel, bei dem das Anlagemittel 6 in Anprallrichtung mit mindestens einem Dämpfungsmittel 3' zusammenwirkt, nachdem alle vorangehenden Dämpfelemente 3 aufgezehrt sind. Durch die Anordnung von Dämpfungsmitteln 3' hinter dem Anlagemittel 6 wird die Verformungsarbeit, die zum Verbiegung der drehbar verbiegbaren Befestigung 8 geleistet werden muss, noch wesentlich erhöht, da die zusätzlichen Dämpfungsmittel 3', die von einer Rückwand 21 gehalten werden, eine zusätzliche Dämpfverformungsarbeit erfordern, wie aus den zusammengedrückten Dämpfungsmitteln 3' in Fig. 6 erkennbar ist. Fig. 5 shows a next embodiment, in which the abutment means 6 in the impact direction with at least one damping means 3 'cooperates, after all the preceding damping elements 3 are consumed. By the arrangement of damping means 3 'behind the abutment means 6, the work of deformation, which must be done to bend the rotatably bendable attachment 8, still substantially increased, since the additional damping means 3', which are held by a rear wall 21, require additional Dämpfverformungsarbeit , as from the compressed damping means 3 'in Fig. 6 is recognizable.

Die in Fig. 7 gezeigte nächste Ausführungsform einer zusammendrückbaren dynamischen Auffangvorrichtung 2 ist mittels einer Vorrichtung zum Verhindern des Vereinzelns der Konstruktion bei einem Aufprall gesichert. Diese Vorrichtung besteht im dargestellten Ausführungsbeispiel aus einer Vielzahl von Drahtseilen 16, welche durch Öffnungen in den Dämpfelementen 3 und anderen Bauteilen wie beispielsweise in den Abstützmitteln 5 hindurchgeführt sind und im Falle einer Zerstörung der jeweiligen Befestigungen dieser Teile ein Wegfliegen der Bauteile verhindern.In the Fig. 7 The next embodiment of a compressible dynamic collecting device 2 shown is secured by a device for preventing the structure from being singulated upon impact. This device consists in the illustrated embodiment of a plurality of wire ropes 16 which are passed through openings in the damping elements 3 and other components such as in the support means 5 and in the event of destruction of the respective attachments of these parts prevent flying away of the components.

Die Erfindung ist nicht auf die dargestellten und beschriebenen Ausführungsformen beschränkt, sondern umfasst auch solche, die durch eine Kombination der verschiedenen Ausführungsbeispiele geschaffen wird. So kann es beispielsweise vorgesehen sein, dass die Dämpfungsmittel 3' hinter dem Anlagemittel 6 sowohl bei einem geradlinigen schräg angeordneten Abstützmittel 5 wie auch bei dem Ausführungsbeispiel mit einem abgewinkelten Abstützelement 5, nämlich einem L-förmigen Abstützbalken 52, zum Einsatz gelangen.The invention is not limited to the illustrated and described embodiments, but also includes those provided by a combination of the various embodiments. Thus, it may be provided, for example, that the damping means 3 'behind the abutment means 6 both in a rectilinear obliquely arranged support means 5 as well as in the embodiment with an angled support member 5, namely an L-shaped support bar 52, are used.

Auch bedeutet es keine Abweichung von der erfinderischen Idee, wenn die geometrische Form der Dämpfelemente 3, statt rund ausgebildet zu sein, eine andere Form aufweist. Auch ist die Anzahl der wiedergegebenen Dämpfelemente 3 variabel und nicht auf die dargestellte Reihenanordnung beschränkt. So können beispielsweise auch liegende Dämpfelemente 3 oder Dämpfelemente 3 anderer Bauart verwendet werden, oder es kann die notwendige Verformungsarbeit durch Füllen mit einem Füllmaterial, sei es Kunststoffgranulat oder Sand, zu einem bestimmten Dämpfverhalten gesteuert werden.Also, it means no deviation from the inventive idea if the geometric shape of the damping elements 3, instead of being round, has a different shape. Also, the number of reproduced damping elements 3 is variable and not limited to the illustrated series arrangement. For example, it is also possible to use horizontal damping elements 3 or damping elements 3 of a different design, or the necessary work of deformation can be controlled by filling with a filling material, be it plastic granulate or sand, to a specific damping behavior.

Claims (14)

  1. An impact damper (1) with a dynamic capture device (2) for motor vehicles on highways, wherein the impact damper (1) has at least one damping element (3) for damping the impact of a vehicle by absorbing energy through deformation and/or friction, said damping element being braced directly or indirectly in the rear end region (4) of the impact damper (1) by the capture device (2),
    wherein
    the capture device (2) has at least one pivotably held bracing element (5) and a bearing means (6), which is likewise pivotably connected to the bracing element (5) and is in direct or indirect contact with the at least one damping element (3).
  2. The impact damper according to claim 1, characterized in that the bracing element (5) and the bearing means (6) are each pivotable about a substantially horizontal axis (7).
  3. The impact damper according to claim 1, characterized in that the bracing element (5) is held on the ground by means of a bendable mounting fixture (8) that is pivotable about the horizontal axis (7).
  4. The impact damper according to claim 1, characterized in that the bracing element (5) is embodied as a substantially straight bracing bar (51), which is held by means of a bendable metal mounting bracket (8), and which pivotably supports at its upper end the bearing means (6) for the at least one damping element (3).
  5. The impact damper according to claim 1, characterized in that the bracing element (5) is embodied as an angled, substantially L-shaped bracing bar (52), one arm (9) of which is held by means of a bendable metal mounting bracket (81), while the unattached end of the other arm (10), which extends forward, pivotably supports the bearing means (6) for the at least one damping element (3).
  6. The impact damper according to at least one of claims 1-5, characterized in that a main damping region (1a) and a capture damping region (1b) are provided, wherein the latter is braced by the bracing element (5).
  7. The impact damper according to at least one of claims 1-6, characterized in that a plurality of damping elements (3) are arranged one in front of the other in at least one row.
  8. The impact damper according to at least one of claims 1-7, characterized in that, in the event of a very high-energy impact, the at least one bracing element (5) can bend up to a blending stop (11).
  9. The impact damper according to at least one of claims 5-8, characterized in that in the case of the substantially L-shaped bracing element (52), the ground acts as the bending stop (11).
  10. The impact damper according to at least one of claims 1-5, characterized in that the at least one bearing means (6) can be damped in the impact direction by at least one damping means (3'), once all of the damping elements (3) in front of said damping means have been exhausted.
  11. The impact damper according to at least one of claims 3-7, characterized in that the bendable mounting fixture (8) comprises at least one mounting flange (82) that extends in the impact direction and is fastened to the ground, the ground mounting means (13) thereof being configured as breakage protectors, which are designed to break off in a continuously progressive manner.
  12. The impact damper according to at least one of claims 3-7, characterized in that a ground stopper (14) is arranged at ground level at a distance behind the bendable mounting fixture as a stop for the horizontal movement of the bent bracing bar (51, 52).
  13. The impact damper according to at least one of claims 1-11, characterized in that a device for preventing the separation of the structure in the event of an impact is formed in particular on the capture device (2).
  14. The impact damper according to claim 13, characterized in that the device for preventing separation consists substantially of wire cables (16).
EP10171191.9A 2009-10-08 2010-07-29 Impact damper with dynamic capture device Not-in-force EP2312058B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200920013582 DE202009013582U1 (en) 2009-10-08 2009-10-08 Impact absorber with dynamic catcher

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EP2312058A2 EP2312058A2 (en) 2011-04-20
EP2312058A3 EP2312058A3 (en) 2014-12-24
EP2312058B1 true EP2312058B1 (en) 2017-06-21

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Publication number Priority date Publication date Assignee Title
DE202013102524U1 (en) * 2013-06-12 2013-06-26 Sps Schutzplanken Gmbh On a terminal arranged damping device
EP3795751B1 (en) 2019-09-18 2021-10-27 Studiengesellschaft für Stahlschutzplanken e.V. Impact absorber and protection device on objects

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Publication number Priority date Publication date Assignee Title
IT1273583B (en) * 1995-04-19 1997-07-08 Snoline Spa MODULAR STRUCTURE ROAD BARRIER SUITABLE TO GRADUALLY ABSORB ENERGY, IN THE IMPACT OF VEHICLES
US6427983B1 (en) * 2000-10-12 2002-08-06 Energy Absorption Systems, Inc. Self-restoring highway crash attenuator
DE102004058884B4 (en) * 2004-12-06 2018-05-03 Sps Schutzplanken Gmbh Impact absorbers on traffic routes

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DE202009013582U1 (en) 2009-12-17
EP2312058A2 (en) 2011-04-20

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