EP2784222B1 - Guard rail device, in particular guard rail connection system, comprising a locking unit and short lowering - Google Patents

Guard rail device, in particular guard rail connection system, comprising a locking unit and short lowering Download PDF

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Publication number
EP2784222B1
EP2784222B1 EP13161349.9A EP13161349A EP2784222B1 EP 2784222 B1 EP2784222 B1 EP 2784222B1 EP 13161349 A EP13161349 A EP 13161349A EP 2784222 B1 EP2784222 B1 EP 2784222B1
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EP
European Patent Office
Prior art keywords
guard rail
locking
elements
longitudinal axis
rail device
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Application number
EP13161349.9A
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German (de)
French (fr)
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EP2784222A1 (en
Inventor
Lars Kaufmann
Lorenz Kaufmann
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Kaufmann AG
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Kaufmann AG
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Priority to EP13161349.9A priority Critical patent/EP2784222B1/en
Publication of EP2784222A1 publication Critical patent/EP2784222A1/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
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/12—Continuous barriers extending along roads or between traffic lanes and having means for providing occasional passage, e.g. for emergency vehicles

Definitions

  • the present invention relates to a guard rail device, in particular a guard rail transfer system, with a locking unit according to the preamble of claim 1.
  • Mobile crash barriers are known from the prior art. Such mobile crash barriers are used, for example, as transfer systems.
  • Such a transfer system for example, in the US 6,402,421 shown.
  • two mobile crash barriers pivotally mounted to permanently installed crash barriers.
  • By pivoting a passage can be created, which serves as a transition for the vehicles.
  • the invention has for its object to provide a crash barrier device whose mobile guard rail parts can be locked better, in particular non-positively.
  • the lock is in the event of a collision of a vehicle, the mobile guard rail elements lock each other so that the guard rail elements remain connected to each other under the influence of greater forces.
  • the guard rail device should provide a better security in the event of a collision.
  • a crash barrier device comprises a first mobile guard rail element, a second mobile crash barrier element and a locking element for providing a lock between the first mobile crash barrier element and the second mobile crash barrier element.
  • the crash barrier device is arranged on a plane extending substantially in the horizontal plane, in particular a driving plane.
  • the first mobile guard rail element is pivotable about a first axis of rotation which is perpendicular to said plane.
  • the second mobile guard rail element is pivotable about a second axis of rotation which is perpendicular to said plane and spaced from the first axis of rotation.
  • the first mobile crash barrier element and the second mobile crash barrier element each extend along a longitudinal axis, which longitudinal axis runs parallel to said plane.
  • the locking unit comprises at least a first locking element and a second locking element, which provide a locking between the mobile guard rail elements with respect to a relative movement transversely to the longitudinal axis.
  • the locking elements prevent by blocking the relative movement across relative to the longitudinal axis thus a relative movement of the guard rail elements with respect to a rotation about at least one of said axes of rotation as well as to a rotation about a right angle to the axis of rotation and perpendicular to the longitudinal axis axis.
  • the locking elements By locking with respect to a relative movement transversely to the longitudinal axis, the locking elements also act at transversely or at an angle to the longitudinal axis acting forces, as they may occur in a collision advantageous.
  • one of the guardrail elements in particular the first guardrail element, comprises a flap element, which is pivotable relative to the guardrail elements about an axis which is parallel to the horizontal.
  • the flap element with its opposite the said axis lying free end is deductible on the road.
  • the flap element is then inclined with its surface to the road.
  • the flap element has the advantage in the lowered state that a so-called short drop is made possible in the open state. The flap element thus prevents a frontal impact.
  • substantially horizontal is meant a direction perpendicular or at an angle of up to 15 ° inclined to the direction of gravity.
  • each of the locking elements locks said relative movement transverse to the longitudinal axis.
  • at least two locking points are provided which, in the event of a collision, hold the two guard rail parts with respect to the transverse forces in the most different directions relative to one another.
  • At least one, preferably each, of the locking elements comprises a stop element.
  • the stop element is opposed in principle to a relative movement between the guard rail elements in the longitudinal direction. But particularly preferably, the stop element leaves a relative movement between the Guard rail element along the longitudinal axis within a predetermined game too. With the stop elements also longitudinal force can also be absorbed in the direction of the longitudinal axis.
  • the locking element comprises a fluidic actuator with a locking bolt and a locking receptacle for receiving the locking bolt.
  • the actuator is arranged with the locking bolt on one of the guard rail elements and the locking receptacle is arranged on the other of the guard rail elements.
  • the actuator and the locking receptacle are preferably fixedly connected to the respective guard rail element. Preference is given to welding or screw connections.
  • the locking receptacle can also be provided by the guard rail element itself.
  • the fluidic actuator is for example a pneumatic cylinder which is operated with air, or a hydraulic cylinder which is operated with oil. Alternatively, a geared motor can be used.
  • the locking bolt is guided in a guide opening of a guide element, which guide element is arranged on the same guard rail element as the actuator, which is in contact with the locking bolt.
  • the guide element is connected, for example via a welding or screw connection with the respective guard rail element. The guide element further improves the locking with respect to the direction transverse to the longitudinal axis.
  • said locking receptacle comprises a receiving space bounded by side walls, wherein a receiving opening for receiving the locking bolt is arranged in at least one of the side walls, preferably in two side walls opposite to the receiving space.
  • the locking bolt thus protrudes through the opening (s) of the side walls into the receiving space or through the receiving space.
  • the opening (s) and the locking bolt projecting through the opening form the locking with respect to the transverse forces in various directions.
  • the locking element in particular the first locking element comprises a locking pin, wherein the locking bolt in latched state protrudes into an opening in the locking pin.
  • the locking pin is oriented at right angles to the locking bolt and is preferably fastened to the same guard rail element as the locking bolt, wherein the locking pin protrudes into said locking receptacle, in particular into the receiving space.
  • the said locking pin protrudes into the receiving space in the closed state, thus providing the stop element with respect to a movement in the longitudinal direction, between the side walls and the locking pin preferably play in the direction of the longitudinal axis is present.
  • the side walls are associated with the openings and the locking pin an upper locking element.
  • the stop element is provided by two transverse to the longitudinal axis tabs, wherein one of the tabs on the first guard rail element and the other of the tabs on the second guard rail element is arranged.
  • the stop element with the tabs is preferably associated with a lower locking element, which lies with respect to the driving plane below the upper locking element.
  • the actuators of the first locking element and the second locking element are arranged on the same guard rail element. This has the advantage of supplying the fluidic energy.
  • the second guard rail element has an inclined surface to the horizontal, wherein the surface extends from the driving plane upwards.
  • the surface thus extends inclined to the horizontal or to the driving plane.
  • This surface provides a collision protection. This collision protection can also be described as a short cut.
  • the flap element preferably has a receiving region which partially overlaps the second guard rail element. As a result, the lock can be improved.
  • parts of the first locking element and / or parts of the second locking element, in particular the actuators, are arranged on the flap element.
  • FIGS. 1 to 9 a guardrail device 1 according to an embodiment of the present invention is shown.
  • the crash barrier device 1 stands on a driving plane.
  • the driving plane lies substantially horizontally, ie horizontally or at an angle of up to 15 ° slightly inclined to the horizontal.
  • the driving plane bears the reference H.
  • the crash barrier device 1 comprises a first mobile crash barrier element 2 and a second mobile crash barrier element 3.
  • Each of the crash barrier elements 2, 3 can be pivoted about a respective axis of rotation A1, A2 assigned to the crash barrier elements 2, 3.
  • the axes of rotation A1, A2 are spaced and arranged parallel to each other and extend in a direction perpendicular to the plane H.
  • the axes of rotation A1 and A2 are symbolically indicated in the figures.
  • the axes of rotation A1 and A2 are stationary and are provided for example via the connection to a further guard rail device not shown in the figures.
  • the guard rail device 1 comprises a locking unit 4, 5, with which the mobile crash barrier elements 2, 3 can be locked together.
  • the locking unit 4, 5 By means of the locking unit 4, 5, the two guard rail elements 2, 3 are thus locked in such a way that a relative movement between the two guard rail elements 2, 3 is substantially prevented.
  • the locking unit 4, 5 ensures that the guard rail device can be set into a locked state and an unlocked state. In the latter, the two guard rail elements 2, 3 can be pivoted about the axes of rotation A1, A2, whereby a relative movement between the axes of rotation A1, A2 is permitted.
  • the locking unit comprises a first locking element 4 and a second locking element 5.
  • the two locking elements 4, 5 provide a lock between the mobile guard rail elements 2, 3 with respect to a relative movement transverse to the longitudinal axis L ready.
  • the locking elements 4, 5 provide resistance with respect to a force acting on the guard rail elements 4, 6 from the outside.
  • this locking has the advantage that the two guard rail elements 2, 3 are not moved relative to each other. The function of the guardrail as such is thus maintained.
  • the locking thus prevents a relative movement of the guard rail elements 2, 3 with respect to a pivoting about at least one of said axes of rotation A1, A2 and also to a pivoting about a right angle to the axes of rotation A1, A2 and perpendicular to the longitudinal axis L extending axis X.
  • an upper or first locking element 4 and a lower or second locking element 5 is present. Both locking elements 4, 5 are designed such that it locks the relative movement transversely to the longitudinal axis L. In other words, each of the locking elements 4, 5 blocks said relative movement transversely to the longitudinal axis L.
  • each of the locking elements 4, 5 comprises a stop element 21.
  • the stop element 21 is opposed to a relative movement between the guard rail elements 2, 3 in the longitudinal direction L.
  • the stop element 21 allows relative movement between the guard rail elements 2, 3 along the longitudinal axis L within a predetermined play.
  • the stop elements thus also have a dilatation effect.
  • the game is preferably in the range of a few centimeters, such as in the range of 5 cm to 10 cm.
  • the play of the stop element on the first guard rail element 2 is preferably substantially equal to the clearance of the second guard rail element 3.
  • Each of the locking elements 4, 5 in the present embodiment comprises an actuator 6, 27, in particular a fluidic actuator 6, 27, such as a hydraulic cylinder or a pneumatic cylinder.
  • the actuator 6, 27 is connected to a locking bolt 7, 28 in connection, which protrudes in the locked state into a locking receptacle 8, 32 and in the unlocked state does not protrude into the locking receptacle 8, 32.
  • the locking pin 7, 28 and the locking receptacle 8, 32 in this case represent parts of the locking element 4, 5.
  • the actuator may also be a geared motor.
  • the actuator 6, 27 is arranged with the locking bolt 7, 28 on one of the guard rail elements 2, 3 and the locking receptacle 8, 32 is arranged on the other of the guard rail elements 3, 2.
  • the actuator 6, 27 with the locking pins 7, 28 of the two locking elements 4, 5 on the first guard rail element 2 and the locking receptacle 8, 32 of the two locking elements 4, 5 is disposed on the second guard rail element 3.
  • a reversed arrangement can be provided.
  • not all actuators need to be arranged on the same guard rail element.
  • the locking pin 7, 28 is guided in a guide opening 15, 31 of a guide element 16, 30.
  • the locking element 16, 30 is arranged on the same guard rail element 2, 3, as the actuator 6, 27.
  • the guide member 16, 30 serves as a reinforcing element for the locking pin 7, 28, wherein forces acting on the locking pin 7, 28, on the crash barrier elements 3, 4 are transferable.
  • one of the crash barrier elements 2, 3 comprises a flap element 18.
  • the first guard rail element 2 comprises the flap element 18.
  • the flap element 18 is pivotable about an axis X, which is parallel to the plane H and extends substantially at right angles to the axes of rotation A1, A2.
  • an actuator not shown, is present.
  • the axis X is provided by a corresponding hinge 37.
  • the flap element 18 essentially has the function of completing the connection between the first guard rail element 2 and the second guard rail element 3 such that in the closed state a continuous guardrail is available.
  • the flap member 18, as in the FIG. 3 are shown lowered to the driving plane H, so that with respect to the plane H, an inclined surface 23 can be provided.
  • the flap element 18 rests with a free end 20 on the driving plane H.
  • the said lowering takes place when the guard rail element 2, 3 are pivoted to each other and the longitudinal axis L no longer run collinear to each other.
  • This inclined surface 23 serves as Auffahrtik, so that in case of a collision, a vehicle is lifted onto the guardrail, whereby a frontal impact is prevented.
  • the second guard rail element has a surface 17 arranged inclined with respect to the horizontal surface, the surface 17 extending upward from plane H.
  • the surface 17 has the same effect as the surface 23.
  • the second locking element 5 is in the unlocked state.
  • the flap element 18 has a receiving region 19 which partially surrounds the second guard rail element 2.
  • the flap element 18 may therefore also have the function of a locking element, because it extends over the guard rail element 3 and surrounds this accordingly.
  • the flap element is formed in a cross-section at right angles to the longitudinal axis L is substantially U-shaped.
  • upper locking element 4 is explained in more detail.
  • the actuator 6 and the locking bolt 7 are arranged here on the first guard rail element 2, more precisely on the flap element 18.
  • the locking bolt 7 protrudes through a guide element 16 with the guide opening 15 and is guided there accordingly.
  • the flap element 18 is locked to the upper locking element 4.
  • upper locking element has two functions, on the one hand, the locking of the guard rail elements 2, 3 to each other and on the other hand, the locking of the flap element 18.
  • the locking receptacle 8, which is arranged here on the second guard rail element 3, comprises a limited space with side walls 11 receiving space 12.
  • the side walls 11th here include receiving openings 13 for the Receiving the locking bolt 7.
  • two side walls 11 with corresponding receiving openings 13 are spaced apart from each other and define the receiving space 12.
  • the locking pin 7 protrudes through the receiving openings 13 into the receiving space 12 or therethrough.
  • the upper locking element 4 additionally comprises a locking pin 10.
  • the locking pin 10 has an opening 9 in which the locking bolt 7 can protrude. In the locked state, the locking pin 10 extends at right angles to the locking pin 7.
  • the locking pin 10 is preferably in the same guard rail element 2, 3 as the locking pin 7 is fixed.
  • the locking pin 10 protrudes in the locked position in the locking receptacle 8, in particular in the receiving space 12 a. This is in the FIG. 4 shown accordingly. Now, if a force acts on the one guard rail element 2 or the other guard rail element 3, the force is absorbed by the locking element 4. For receiving the force of the locking pin 7 protrudes through the guide opening 15, through the receiving openings 13 and through the opening 9 in the locking pin 10. The locking takes place at several different points.
  • the flap element 18 is shown in the pivoted state. Here it can be well recognized how the locking pin 10 is located outside of the receiving space 12. In the FIG. 5 It is also shown that the locking pin 10 and the guide member 16 are disposed on the same surface on the flap member 18.
  • the bolt 7 protrudes in the locked state through the surface 17 into the guard rail profile of the second guard rail element 3.
  • the surface 17 has openings for the passage of the locking bolts 7, 28 to the receiving spaces 12.
  • FIG. 8 is a sectional view through the first locking element 4 along the section line BB of FIG. 1 shown.
  • the locking pin 7 protrudes into the opening 9 in the locking pin 10.
  • the receiving space 12 can also be easily recognized here.
  • the profile of the guard rail element 3 are well recognized.
  • This is a U-shaped profile 25 which rests on the driving plane.
  • the receiving space 12 is arranged.
  • Other types of profiles are also conceivable. For example, composed of a sub-profile and a top profile.
  • the actuator 27 and the locking pin 28 are arranged here on the first guard rail element 2, more precisely profile 29 of the first guard rail element 2.
  • the locking bolt 7 protrudes through a guide element 30 with a guide opening 31 and is guided there accordingly.
  • the locking receptacle 32 which is arranged here on the second guard rail element 3, comprises a receiving space 12 bounded by side walls 33.
  • the stop element 21 is further shown, which here has the shape of two tabs 22.
  • One of the tabs 22 is on the first guard rail element 2 and one of the tabs is arranged on the second guard rail element 3.
  • the tabs are spaced from each other, so that between the tabs 22 game 24 is present.
  • the game 24 preferably corresponds to the play 24 of the stop element 21st of the upper and first locking element 4 and is preferably in the range of a few centimeters, such as in the range of 5 cm to 10 cm.
  • FIG. 9 is a sectional view through the second locking element 5 along the section line BB of FIG. 1 shown.
  • the locking pin 28 protrudes into the locking receptacle 32.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Description

TECHNISCHES GEBIETTECHNICAL AREA

Die vorliegende Erfindung betrifft eine Leitplankenvorrichtung, insbesondere ein Leitplankenüberleitungssystem, mit einer Verriegelungseinheit nach dem Oberbegriff von Anspruch 1.The present invention relates to a guard rail device, in particular a guard rail transfer system, with a locking unit according to the preamble of claim 1.

STAND DER TECHNIKSTATE OF THE ART

Aus dem Stand der Technik sind mobile Leitplanken bekannt. Solche mobilen Leitplanken werden beispielsweise als Überleitungssysteme eingesetzt.Mobile crash barriers are known from the prior art. Such mobile crash barriers are used, for example, as transfer systems.

Ein solches Überleitungssystem wird beispielsweise in der US 6,402,421 gezeigt. Hierbei sind zwei mobile Leitplanken verschwenkbar zu fest installierten Leitplanken gelagert. Durch die Verschwenkung kann ein Durchgang geschaffen werden, welcher als Überleitung für die Fahrzeuge dient.Such a transfer system, for example, in the US 6,402,421 shown. Here are two mobile crash barriers pivotally mounted to permanently installed crash barriers. By pivoting a passage can be created, which serves as a transition for the vehicles.

Aus dem aus dem Stand der Technik bekannten System ergeht der Nachteil, dass die mobilen Leitplankenteile oder Leitplankenarme im geschlossenen Zustand nur unzureichend verriegelbar sind. Bei einem Aufprall eines Fahrzeuges auf die mobilen Leitplankenteile im geschlossenen Zustand kann es zu einem Verschieben oder einem Durchbruch derselben kommen, wobei das Fahrzeug unter Umständen auf die Gegenfahrbahn geraten kann.From the system known from the prior art, there is the disadvantage that the mobile guard rail parts or guard rail arms are in the closed state only insufficiently lockable. In a collision of a vehicle on the mobile guard rail parts in the closed state, it can lead to a displacement or a breakthrough of the same, the vehicle may possibly get on the opposite lane.

Aus der EP 1 124 013 ist eine Leitplankenanordnung bekannt geworden, welche eine verbesserte Verriegelung aufweist.From the EP 1 124 013 is a crash barrier arrangement has become known, which has an improved lock.

Im Betrieb kann es bei einem Aufprall im offenen Zustand zu einem Frontalaufprall auf die Leitplankenarme kommen. Gerade hier weist EP 1 124 013 nicht die gewünschte Sicherheit auf.During operation, an impact in the open state can lead to a frontal impact on the vehicle Guard rail arms come. Right here points EP 1 124 013 not the desired security.

DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION

Ausgehend von diesem Stand der Technik liegt der Erfindung eine Aufgabe zugrunde, eine Leitplankenvorrichtung anzugeben, dessen mobile Leitplankenteile sich besser, insbesondere kraftschlüssig, verriegeln lassen. Insbesondere soll die Verriegelung im Fall eines Aufpralls eines Fahrzeuges die mobilen Leitplankenelemente so zueinander verriegeln, dass die Leitplankenelemente bei Einwirkung von grösseren Kräften miteinander verbunden bleiben. Darüber hinaus soll die Leitplankenvorrichtung bei einem Aufprall eine verbesserste Sicherheit bieten.Based on this prior art, the invention has for its object to provide a crash barrier device whose mobile guard rail parts can be locked better, in particular non-positively. In particular, the lock is in the event of a collision of a vehicle, the mobile guard rail elements lock each other so that the guard rail elements remain connected to each other under the influence of greater forces. In addition, the guard rail device should provide a better security in the event of a collision.

Eine solche Aufgabe löst die Leitplankenvorrichtung nach Anspruch 1. Demgemäss umfasst eine Leitplankenvorrichtung ein erstes mobiles Leitplankenelement, ein zweites mobiles Leitplankenelement und ein Verriegelungselement zur Bereitstellung einer Verriegelung zwischen dem ersten mobilen Leitplankenelement und dem zweiten mobilen Leitplankenelement. Die Leitplankenvorrichtung wird auf einer im Wesentlichen in der Horizontalen verlaufenden Ebene, insbesondere einer Fahrebene, angeordnet. Das erste mobile Leitplankenelement ist um eine erste Drehachse, die rechtwinklig zur besagten Ebene verläuft, verschwenkbar. Das zweite mobile Leitplanken Element ist um eine zweite Drehachse, die rechtwinklig zur besagten Ebene verläuft und beabstandet zur ersten Drehachse steht, verschwenkbar. Das erste mobile Leitplankenelement und das zweite mobile Leitplankenelement erstrecken sich entlang jeweils einer Längsachse, welche Längsachse parallel zur besagten Ebene verläuft. Im verbundenen bzw. verriegelten Zustand ist die Längsachse des ersten Leitplankenelementes fluchtend bzw. kollinear mit der Längsachse des zweiten Leitplankenelementes. Im getrennten oder entriegelten Zustand verlaufen die Längsachsen meist winklig zueinander. Die Verriegelungseinheit umfasst mindestens ein erstes Verriegelungselement und ein zweites Verriegelungselement, welche eine Verriegelung zwischen den mobilen Leitplankenelementen bezüglich einer Relativbewegung quer zur Längsachse bereitstellen.Such a problem is solved by the crash barrier device according to claim 1. Accordingly, a crash barrier device comprises a first mobile guard rail element, a second mobile crash barrier element and a locking element for providing a lock between the first mobile crash barrier element and the second mobile crash barrier element. The crash barrier device is arranged on a plane extending substantially in the horizontal plane, in particular a driving plane. The first mobile guard rail element is pivotable about a first axis of rotation which is perpendicular to said plane. The second mobile guard rail element is pivotable about a second axis of rotation which is perpendicular to said plane and spaced from the first axis of rotation. The first mobile crash barrier element and the second mobile crash barrier element each extend along a longitudinal axis, which longitudinal axis runs parallel to said plane. In the connected or locked state, the longitudinal axis of the first guard rail element is aligned or collinear with the longitudinal axis of the second guard rail element. In the separated or unlocked state, the longitudinal axes are usually at an angle to each other. The locking unit comprises at least a first locking element and a second locking element, which provide a locking between the mobile guard rail elements with respect to a relative movement transversely to the longitudinal axis.

Die Verriegelungselemente verhindern durch die Blockierung der Relativbewegung quer zur Längsachse also eine Relativbewegung der Leitplankenelemente bezüglich einer Drehung um mindestens eine der besagten Drehachsen als auch um eine Drehung um eine rechtwinklig zur Drehachse und rechtwinklig zur Längsachse verlaufenden Achse. Im Einsatz auf einer Fahrbahn heisst dies, dass die Bewegung auf der Fahrebene um die beiden Drehachsen verhindert wird und dass eine Schwenkbewegung zur Fahrebene nach oben ebenfalls verhindert wird.The locking elements prevent by blocking the relative movement across relative to the longitudinal axis thus a relative movement of the guard rail elements with respect to a rotation about at least one of said axes of rotation as well as to a rotation about a right angle to the axis of rotation and perpendicular to the longitudinal axis axis. When used on a road, this means that the movement on the driving plane around the two axes of rotation is prevented and that a pivoting movement up to the driving level is also prevented.

Durch die Verriegelung bezüglich einer Relativbewegung quer zur Längsachse wirken die Verriegelungselemente bei ebenfalls quer oder winklig zur Längsachse wirkenden Kräften, wie sie bei einer Kollision auftreten können, vorteilhaft.By locking with respect to a relative movement transversely to the longitudinal axis, the locking elements also act at transversely or at an angle to the longitudinal axis acting forces, as they may occur in a collision advantageous.

Weiter umfasst eines der Leitplankenelemente, insbesondere das erste Leitplankenelement, ein Klappenelement, welches um eine Achse, welche parallel zur Horizontalen liegt, bezüglich der Leitplankenelemente verschwenkbar ist.Furthermore, one of the guardrail elements, in particular the first guardrail element, comprises a flap element, which is pivotable relative to the guardrail elements about an axis which is parallel to the horizontal.

Weiter ist das Klappenelement mit seinem gegenüber der besagten Achse liegenden freien Ende auf die Fahrbahn absetzbar ist. Das Klappenelement liegt dann mit seiner Oberfläche geneigt zur Fahrbahn. Das Klappenelement hat im abgesenkten Zustand den Vorteil, dass im geöffneten Zustand eine sogenannte Kurzabsenkung ermöglicht wird. Das Klappenelement verhindert also einen frontalen Aufprall.Further, the flap element with its opposite the said axis lying free end is deductible on the road. The flap element is then inclined with its surface to the road. The flap element has the advantage in the lowered state that a so-called short drop is made possible in the open state. The flap element thus prevents a frontal impact.

Unter der Ausdrucksweise im Wesentlichen Horizontal wird eine Richtung senkrecht oder in einem Winkel von bis zu 15° geneigt zur Richtung der Schwerkraft verstanden.By the term substantially horizontal is meant a direction perpendicular or at an angle of up to 15 ° inclined to the direction of gravity.

Vorzugsweise verriegelt jedes der Verriegelungselemente die besagte Relativbewegung quer zur Längsachse. Somit werden mindestens zwei Verriegelungspunkte bereitgestellt, welche im Falle einer Kollision die beiden Leitplankenteile bezüglich der Querkräfte in verschiedenste Richtung zueinander halten.Preferably, each of the locking elements locks said relative movement transverse to the longitudinal axis. Thus, at least two locking points are provided which, in the event of a collision, hold the two guard rail parts with respect to the transverse forces in the most different directions relative to one another.

In einer Weiterbildung der Erfindung umfasst mindestens eines, vorzugsweise jedes, der Verriegelungselemente ein Anschlagselement. Das Anschlagselement steht prinzipiell einer Relativbewegung zwischen den Leitplankenelementen in Längsrichtung entgegen. Besonders bevorzugt aber lässt das Anschlagselement eine Relativbewegung zwischen den Leitplankenelement entlang der Längsachse innerhalb eines vorbestimmten Spiels zu. Mit den Anschlagselementen können zudem auch Längskraft in Richtung der Längsachse aufgenommen werden.In a development of the invention, at least one, preferably each, of the locking elements comprises a stop element. The stop element is opposed in principle to a relative movement between the guard rail elements in the longitudinal direction. But particularly preferably, the stop element leaves a relative movement between the Guard rail element along the longitudinal axis within a predetermined game too. With the stop elements also longitudinal force can also be absorbed in the direction of the longitudinal axis.

Vorzugsweise umfasst das Verriegelungselement einen fluidischen Aktuator mit einem Verriegelungsbolzen und eine Verriegelungsaufnahme zur Aufnahme des Verriegelungsbolzen. Der Aktuator ist mit dem Verriegelungsbolzen an einem der Leitplankenelemente angeordnet und die Verriegelungsaufnahme ist am anderen der Leitplankenelemente angeordnet. Der Aktuator und die Verriegelungsaufnahme sind vorzugsweise fest mit dem jeweiligen Leitplankenelement verbunden. Bevorzugt sind Schweiss- oder Schraubverbindungen. Die Verriegelungsaufnahme kann auch durch das Leitplankenelement selbst bereitgestellt werden. Der fluidische Aktuar ist beispielsweise ein Pneumatikzylinder, welcher mit Luft betrieben wird, oder ein Hydraulikzylinder, welcher mit Öl betrieben wird. Alternativ kann auch ein Getriebemotor eingesetzt werden.Preferably, the locking element comprises a fluidic actuator with a locking bolt and a locking receptacle for receiving the locking bolt. The actuator is arranged with the locking bolt on one of the guard rail elements and the locking receptacle is arranged on the other of the guard rail elements. The actuator and the locking receptacle are preferably fixedly connected to the respective guard rail element. Preference is given to welding or screw connections. The locking receptacle can also be provided by the guard rail element itself. The fluidic actuator is for example a pneumatic cylinder which is operated with air, or a hydraulic cylinder which is operated with oil. Alternatively, a geared motor can be used.

Besonders bevorzugt ist der Verriegelungsbolzen in einer Führungsöffnung eines Führungselementes geführt, welches Führungselement am gleichen Leitplankenelement angeordnet ist wie der Aktuator, der mit dem Verriegelungsbolzen in Kontakt steht. Das Führungselement ist beispielsweise über eine Schweiss- oder Schraubverbindung mit dem jeweiligen Leitplankenelement verbunden. Das Führungselement verbessert die Verriegelung bezüglich der Richtung quer zur Längsachse weiter.Particularly preferably, the locking bolt is guided in a guide opening of a guide element, which guide element is arranged on the same guard rail element as the actuator, which is in contact with the locking bolt. The guide element is connected, for example via a welding or screw connection with the respective guard rail element. The guide element further improves the locking with respect to the direction transverse to the longitudinal axis.

Vorzugsweise umfasst die besagte Verriegelungsaufnahme einen mit Seitenwänden begrenzten Aufnahmeraum, wobei in mindestens einer der Seitenwände, vorzugsweise in zwei sich bezüglich des Aufnahmeraums gegenüberliegenden Seitenwänden, eine Aufnahmeöffnung für die Aufnahme des Verriegelungsbolzens angeordnet ist. Der Verrieglungsbolzen ragt also durch die Öffnung(en) der Seitenwände in den Aufnahmeraum hinein bzw. durch den Aufnahmeraum hindurch. Die Öffnung(en) und der durch die Öffnung hindurchragende Verriegelungsbolzen bilden die Verriegelung bezüglich der Querkräfte in verschiedenste Richtungen.Preferably, said locking receptacle comprises a receiving space bounded by side walls, wherein a receiving opening for receiving the locking bolt is arranged in at least one of the side walls, preferably in two side walls opposite to the receiving space. The locking bolt thus protrudes through the opening (s) of the side walls into the receiving space or through the receiving space. The opening (s) and the locking bolt projecting through the opening form the locking with respect to the transverse forces in various directions.

Besonders bevorzugt umfasst das Verriegelungselement, insbesondere das erste Verriegelungselement, einen Verriegelungsstift, wobei der Verriegelungsbolzen im verriegelten Zustand in eine Öffnung im Verriegelungsstift einragt. Der Verriegelungsstift ist rechtwinklig zum Verriegelungsbolzen orientiert und ist bevorzugt am gleichen Leitplankenelement wie der Verriegelungsbolzen befestigt, wobei der Verriegelungsstift in besagte Verriegelungsaufnahme, insbesondere in den Aufnahmeraum, einragt.Particularly preferably, the locking element, in particular the first locking element comprises a locking pin, wherein the locking bolt in latched state protrudes into an opening in the locking pin. The locking pin is oriented at right angles to the locking bolt and is preferably fastened to the same guard rail element as the locking bolt, wherein the locking pin protrudes into said locking receptacle, in particular into the receiving space.

Der besagte Verriegelungsstift ragt im geschlossenen Zustand in den Aufnahmeraum ein, und stellt so das Anschlagselement bezüglich einer Bewegung in Längsrichtung bereit, wobei zwischen den Seitenwänden und dem Verriegelungsstift vorzugsweise Spiel in Richtung der Längsachse vorhanden ist.The said locking pin protrudes into the receiving space in the closed state, thus providing the stop element with respect to a movement in the longitudinal direction, between the side walls and the locking pin preferably play in the direction of the longitudinal axis is present.

Besonders bevorzugt sind die Seitenwände mit den Öffnungen und der Verriegelungsstift einem oberen Verriegelungselement zugeordnet.Particularly preferably, the side walls are associated with the openings and the locking pin an upper locking element.

Vorzugsweise, insbesondere beim zweiten Verriegelungselement, wird das Anschlagselement durch zwei quer zur Längsachse verlaufende Laschen bereitgestellt, wobei eine der Laschen am ersten Leitplankenelement und die andere der Laschen am zweiten Leitplankenelement angeordnet ist.Preferably, in particular in the second locking element, the stop element is provided by two transverse to the longitudinal axis tabs, wherein one of the tabs on the first guard rail element and the other of the tabs on the second guard rail element is arranged.

Das Anschlagselement mit den Laschen wird vorzugsweise einem unteren Verriegelungselement zugeordnet, welches bezüglich der Fahrebene unterhalb des oberen Verriegelungselementes liegt.The stop element with the tabs is preferably associated with a lower locking element, which lies with respect to the driving plane below the upper locking element.

Besonders bevorzugt sind die Aktuatoren des ersten Verriegelungselements und des zweiten Verriegelungselementes am gleichen Leitplankenelement angeordnet. Dies hat den Vorteil bezüglich der Zuführung der fluidischen Energie.Particularly preferably, the actuators of the first locking element and the second locking element are arranged on the same guard rail element. This has the advantage of supplying the fluidic energy.

Vorzugsweise weist das zweite Leitplankenelement eine geneigt zur Horizontalen angeordnete Fläche auf, wobei sich die Fläche von der Fahrebene nach oben erstreckt. Die Fläche erstreckt sich also geneigt zur Horizontalen bzw. zur Fahrebene. Diese Fläche stellt einen Auffahrschutz bereit. Diesen Auffahrschutz kann man auch als Kurzabsenkung bezeichnen.Preferably, the second guard rail element has an inclined surface to the horizontal, wherein the surface extends from the driving plane upwards. The surface thus extends inclined to the horizontal or to the driving plane. This surface provides a collision protection. This collision protection can also be described as a short cut.

Vorzugsweise weist das Klappenelement einen Aufnahmebereich auf, welcher das zweite Leitplankenelement teilweise übergreift. Hierdurch kann die Verriegelung noch verbessert werden.The flap element preferably has a receiving region which partially overlaps the second guard rail element. As a result, the lock can be improved.

Vorzugsweise sind Teile des ersten Verriegelungselement und/oder Teile des zweiten Verriegelungselement, insbesondere die Aktuatoren, am Klappenelement angeordnet.Preferably, parts of the first locking element and / or parts of the second locking element, in particular the actuators, are arranged on the flap element.

In einer besonders bevorzugten Ausführungsform stellt das der Fahrebene näher gelegene Verriegelungselement einen grösseren Widerstand bereit als das von der Fahrebene weiter weg liegende Verriegelungselement.In a particularly preferred embodiment, the closer the driving level locking element provides a greater resistance than the lying away from the driving plane locking element.

Weitere Ausführungsformen sind in den abhängigen Ansprüchen angegeben.Further embodiments are given in the dependent claims.

KURZE BESCHREIBUNG DER ZEICHNUNGENBRIEF DESCRIPTION OF THE DRAWINGS

Bevorzugte Ausführungsformen der Erfindung werden im Folgenden anhand der Zeichnungen beschrieben, die lediglich zur Erläuterung dienen und nicht einschränkend auszulegen sind. In den Zeichnungen zeigen:

Fig. 1
eine Seitenansicht eines Leiplankensystems nach einer Ausführungsform im verriegelten Zustand;
Fig. 2
die Leitplankenvorrichtung gemäss Figur 1 im entriegelten Zustand;
Fig. 3
eine Seitenansicht eines Leitplankenelements der Leitplankenvorrichtung nach Figur 1 im getrennten Zustand;
Fig. 4
eine Detailansicht eines oberen Verriegelungselementes der Leitplankenvorrichtung nach Figur 1 im verriegelten Zustand;
Fig. 5
eine Detailansicht des oberen Verriegelungselementes nach Figur 4 im entriegelten Zustand;
Fig. 6
eine Detailansicht eines unteren Verriegelungselementes der Leitplankenvorrichtung nach Figur 1 im verriegelten Zustand;
Fig. 7
eine Detailansicht des oberen Verriegelungselementes nach Figur 6 im entriegelten Zustand;
Fig. 8
eine Schnittdarstellung nach Figur 1 entlang der Schnittlinie B-B; und
Fig. 9
eine Schnittdarstellung nach Figur 1 entlang der Schnittlinie C-C.
Preferred embodiments of the invention will be described below with reference to the drawings, which are given by way of illustration only and are not to be interpreted as limiting. In the drawings show:
Fig. 1
a side view of a Leipankensystems according to an embodiment in the locked state;
Fig. 2
the crash barrier device according to FIG. 1 in the unlocked state;
Fig. 3
a side view of a guard rail element of the guard rail device according to FIG. 1 in the separated state;
Fig. 4
a detailed view of an upper locking element of the crash barrier device according to FIG. 1 in the locked state;
Fig. 5
a detailed view of the upper locking element after FIG. 4 in the unlocked state;
Fig. 6
a detailed view of a lower locking element of the guard rail device after FIG. 1 in the locked state;
Fig. 7
a detailed view of the upper locking element after FIG. 6 in the unlocked state;
Fig. 8
a sectional view to FIG. 1 along the section line BB; and
Fig. 9
a sectional view to FIG. 1 along the section line CC.

BESCHREIBUNG BEVORZUGTER AUSFÜHRUNGSFORMENDESCRIPTION OF PREFERRED EMBODIMENTS

In den Figuren 1 bis 9 wird eine Leitplankenvorrichtung 1 gemäss einer Ausführungsform der vorliegenden Erfindung gezeigt. Die Leitplankenvorrichtung 1 steht auf einer Fahrebene auf. Die Fahrebene liegt im Wesentlichen in der Horizontalen, also in der Horizontalen oder in einem Winkel von bis zu 15° leicht geneigt zur Horizontalen. In den Figuren trägt die Fahrebene das Bezugszeichen H.In the FIGS. 1 to 9 a guardrail device 1 according to an embodiment of the present invention is shown. The crash barrier device 1 stands on a driving plane. The driving plane lies substantially horizontally, ie horizontally or at an angle of up to 15 ° slightly inclined to the horizontal. In the figures, the driving plane bears the reference H.

Die Leitplankenvorrichtung 1 umfasst ein erstes mobiles Leitplankenelement 2 und ein zweites mobiles Leitplankenelement 3. Jedes der Leitplankenelemente 2, 3 lässt sich um jeweils eine den Leitplankenelementen 2, 3 zugeordnete Drehachse A1, A2 verschwenken. Die Drehachsen A1, A2 sind beabstandet und parallel zueinander angeordnet und verlaufen in einer Richtung rechtwinklig zur Ebene H. Die Drehachsen A1 und A2 sind in den Figuren symbolisch angedeutet. Durch die Verschwenkung des ersten Leitplankenelementes 2 und des zweiten Leitplankenelementes 3 kann ein Durchgang zwischen den beiden Leitplankenelemente 2, 3, beispielsweise für Rettungsfahrzeuge, geschaffen werden.The crash barrier device 1 comprises a first mobile crash barrier element 2 and a second mobile crash barrier element 3. Each of the crash barrier elements 2, 3 can be pivoted about a respective axis of rotation A1, A2 assigned to the crash barrier elements 2, 3. The axes of rotation A1, A2 are spaced and arranged parallel to each other and extend in a direction perpendicular to the plane H. The axes of rotation A1 and A2 are symbolically indicated in the figures. By pivoting the first guard rail element 2 and the second guard rail element 3, a passage between the two guard rail elements 2, 3, for example, rescue vehicles, created.

Die Drehachsen A1 und A2 sind ortsfest und werden beispielsweise über die Verbindung zu einer weiteren in den Figuren nicht gezeigte Leitplankeneinrichtung bereitgestellt.The axes of rotation A1 and A2 are stationary and are provided for example via the connection to a further guard rail device not shown in the figures.

Weiter umfasst die Leitplankenvorrichtung 1 eine Verriegelungseinheit 4, 5, mit welcher sich die mobilen Leitplankenelemente 2, 3 miteinander verriegeln lassen. Über die Verriegelungseinheit 4, 5 werden also die beiden Leitplankenelemente 2, 3 derart verriegelt, dass eine Relativbewegung zwischen den zwei Leitplankenelementen 2, 3 im Wesentlichen verhindert wird. Die Verriegelungseinheit 4, 5 sorgt dafür, dass die Leitplankenvorrichtung in einen verriegelten Zustand und einen entriegelten Zustand versetzbar sind. Im letzteren lassen sich die beiden Leitplankenelemente 2, 3 um die Drehachsen A1, A2 verschwenken, wodurch eine Relativbewegung zwischen den Drehachsen A1, A2 zugelassen wird.Furthermore, the guard rail device 1 comprises a locking unit 4, 5, with which the mobile crash barrier elements 2, 3 can be locked together. By means of the locking unit 4, 5, the two guard rail elements 2, 3 are thus locked in such a way that a relative movement between the two guard rail elements 2, 3 is substantially prevented. The locking unit 4, 5 ensures that the guard rail device can be set into a locked state and an unlocked state. In the latter, the two guard rail elements 2, 3 can be pivoted about the axes of rotation A1, A2, whereby a relative movement between the axes of rotation A1, A2 is permitted.

Die Verriegelungseinheit umfasst ein erstes Verriegelungselement 4 und ein zweites Verriegelungselement 5. Die beiden Verriegelungselemente 4, 5 stellen eine Verriegelung zwischen den mobilen Leitplankenelemente 2, 3 bezüglich einer Relativbewegung quer zur Längsachse L bereit. Mit anderen Worten gesagt stellen die Verriegelungselement 4, 5 einen Widerstand bezüglich einer von aussen auf die Leitplankenelemente 4, 6 wirkende Kraft bereit.The locking unit comprises a first locking element 4 and a second locking element 5. The two locking elements 4, 5 provide a lock between the mobile guard rail elements 2, 3 with respect to a relative movement transverse to the longitudinal axis L ready. In other words, the locking elements 4, 5 provide resistance with respect to a force acting on the guard rail elements 4, 6 from the outside.

Bei einem Aufprall eines Fahrzeuges auf die Leitplankenvorrichtung hat diese Verriegelung den Vorteil, dass die beiden Leitplankenelemente 2, 3 nicht relativ zueinander verschoben werden. Die Funktion der Leitplanke als solches wird also aufrechterhalten.In an impact of a vehicle on the guard rail device, this locking has the advantage that the two guard rail elements 2, 3 are not moved relative to each other. The function of the guardrail as such is thus maintained.

Die Verriegelung verhindert also eine Relativbewegung der Leitplankenelemente 2, 3 bezüglich einer Verschwenkung um mindestens ein der besagten Drehachsen A1, A2 und auch um eine Verschwenkung um eine rechtwinklig zur Drehachsen A1, A2 und rechtwinklig zur Längsachse L verlaufende Achse X.The locking thus prevents a relative movement of the guard rail elements 2, 3 with respect to a pivoting about at least one of said axes of rotation A1, A2 and also to a pivoting about a right angle to the axes of rotation A1, A2 and perpendicular to the longitudinal axis L extending axis X.

In der gezeigten Ausführungsform ist ein oberes bzw. erstes Verriegelungselement 4 und ein unteres bzw. zweites Verriegelungselement 5 vorhanden. Beide Verriegelungselemente 4, 5 sind dabei derart ausgebildet, dass diese die Relativbewegung quer zur Längsachse L verriegelt. Das heisst mit anderen Worten jedes der Verriegelungselemente 4, 5 die besagte Relativbewegung quer zur Längsachse L blockiert.In the embodiment shown, an upper or first locking element 4 and a lower or second locking element 5 is present. Both locking elements 4, 5 are designed such that it locks the relative movement transversely to the longitudinal axis L. In other words, each of the locking elements 4, 5 blocks said relative movement transversely to the longitudinal axis L.

Weiter umfasst in der vorliegenden Ausführungsform jedes der Verriegelungselemente 4, 5 ein Anschlagselement 21. Das Anschlagselement 21 steht einer Relativbewegung zwischen den Leitplankenelementen 2, 3 in Längsrichtung L entgegen. Besonders bevorzugt lässt das Anschlagselement 21 eine Relativbewegung zwischen den Leitplankenelementen 2, 3 entlang der Längssachse L innerhalb eines vorbestimmten Spiels zu. Hierdurch können Längenunterschiede, welche sich aufgrund von Temperaturschwankungen ergeben, kompensiert werden. Die Anschlagselemente haben also auch eine Dilatationswirkung. Das Spiel ist bevorzugt im Bereich von einigen Zentimetern, wie beispielsweise im Bereich von 5 cm bis 10 cm. Das Spiel des Anschlagselementes am ersten Leitplankenelement 2 ist vorzugsweise im Wesentlichen gleich dem Spiel des zweiten Leitplankenelementes 3.Furthermore, in the present embodiment, each of the locking elements 4, 5 comprises a stop element 21. The stop element 21 is opposed to a relative movement between the guard rail elements 2, 3 in the longitudinal direction L. Particularly preferably, the stop element 21 allows relative movement between the guard rail elements 2, 3 along the longitudinal axis L within a predetermined play. As a result, differences in length that result due to temperature fluctuations can be compensated. The stop elements thus also have a dilatation effect. The game is preferably in the range of a few centimeters, such as in the range of 5 cm to 10 cm. The play of the stop element on the first guard rail element 2 is preferably substantially equal to the clearance of the second guard rail element 3.

Jedes der Verriegelungselemente 4, 5 umfasst in der vorliegenden Ausführungsform einen Aktuator 6, 27, insbesondere einen fluidischen Aktuator 6, 27, wie beispielsweise ein Hydraulikzylinder oder ein Pneumatikzylinder. Der Aktuator 6, 27 steht mit einem Verriegelungsbolzen 7, 28 in Verbindung, welcher im verriegelten Zustand in eine Verriegelungsaufnahme 8, 32 einragt und im entriegelten Zustand nicht in die Verriegelungsaufnahme 8, 32 einragt. Der Verriegelungsbolzen 7, 28 und die Verriegelungsaufnahme 8, 32 stellen dabei Teile des Verriegelungselementes 4, 5 dar. Der Aktuator kann auch ein Getriebemotor sein.Each of the locking elements 4, 5 in the present embodiment comprises an actuator 6, 27, in particular a fluidic actuator 6, 27, such as a hydraulic cylinder or a pneumatic cylinder. The actuator 6, 27 is connected to a locking bolt 7, 28 in connection, which protrudes in the locked state into a locking receptacle 8, 32 and in the unlocked state does not protrude into the locking receptacle 8, 32. The locking pin 7, 28 and the locking receptacle 8, 32 in this case represent parts of the locking element 4, 5. The actuator may also be a geared motor.

Der Aktuator 6, 27 ist mit dem Verriegelungsbolzen 7, 28 an einem der Leitplankenelemente 2, 3 und die Verriegelungsaufnahme 8, 32 ist am anderen der Leitplankenelemente 3, 2 angeordnet. In der vorliegenden Ausführungsform befinden sich der Aktuator 6, 27 mit den Verriegelungsbolzen 7, 28 der beiden Verriegelungselemente 4, 5 am ersten Leitplankenelement 2 und die Verriegelungsaufnahme 8, 32 der beiden Verriegelungselemente 4, 5 ist am zweiten Leitplankenelement 3 angeordnet. Selbstverständlich kann auch eine vertauschte Anordnung vorgesehen werden. Alternativ müssen auch nicht alle Aktuatoren am gleichen Leitplankenelement angeordnet sein.The actuator 6, 27 is arranged with the locking bolt 7, 28 on one of the guard rail elements 2, 3 and the locking receptacle 8, 32 is arranged on the other of the guard rail elements 3, 2. In the present embodiment, the actuator 6, 27 with the locking pins 7, 28 of the two locking elements 4, 5 on the first guard rail element 2 and the locking receptacle 8, 32 of the two locking elements 4, 5 is disposed on the second guard rail element 3. Of course, a reversed arrangement can be provided. Alternatively, not all actuators need to be arranged on the same guard rail element.

Der Verriegelungsbolzen 7, 28 ist in einer Führungsöffnung 15, 31 eines Führungselementes 16, 30 geführt. Das Verriegelungselement 16, 30 ist dabei am gleichen Leitplankenelement 2, 3 angeordnet, wie der Aktuator 6, 27. Das Führungselement 16, 30 dient als Verstärkungselement für den Verriegelungsbolzen 7, 28, wobei Kräfte, welche auf den Verriegelungsbolzen 7, 28 einwirken, auf die Leitplankenelemente 3, 4 übertragbar sind.The locking pin 7, 28 is guided in a guide opening 15, 31 of a guide element 16, 30. The locking element 16, 30 is arranged on the same guard rail element 2, 3, as the actuator 6, 27. The guide member 16, 30 serves as a reinforcing element for the locking pin 7, 28, wherein forces acting on the locking pin 7, 28, on the crash barrier elements 3, 4 are transferable.

In der Figur 1 und 2 wird gezeigt, dass eines der Leitplankenelemente 2, 3 ein Klappenelement 18 umfasst. Hier umfasst das erste Leitplankenelement 2 das Klappenelement 18. Das Klappenelement 18 ist um eine Achse X, welche parallel zur Ebene H liegt und im Wesentlichen rechtwinklig zur Drehachsen A1, A2 verläuft, verschwenkbar. Hierfür ist ein nicht gezeigte Aktuator vorhanden. Die Achse X wird durch ein entsprechendes Gelenk 37 bereitgestellt. Das Klappenelement 18 hat im Wesentlichen die Funktion, die Verbindung zwischen dem ersten Leitplankenelement 2 und dem zweiten Leitplankenelement 3 so abzuschliessen, dass im geschlossenen Zustand eine durchgehende Leitplanke bereitstellbar ist.In the FIG. 1 and 2 It is shown that one of the crash barrier elements 2, 3 comprises a flap element 18. Here, the first guard rail element 2 comprises the flap element 18. The flap element 18 is pivotable about an axis X, which is parallel to the plane H and extends substantially at right angles to the axes of rotation A1, A2. For this purpose, an actuator, not shown, is present. The axis X is provided by a corresponding hinge 37. The flap element 18 essentially has the function of completing the connection between the first guard rail element 2 and the second guard rail element 3 such that in the closed state a continuous guardrail is available.

Weiter kann das Klappenelement 18, wie in der Figur 3 gezeigt, ganz auf die Fahrebene H abgesenkt werden, sodass bezüglich der Ebene H eine geneigte Fläche 23 bereitgestellt werden kann. Im abgesenkten Zustand liegt das Klappenelement 18 mit einem freien Ende 20 auf der Fahrebene H auf. Dies kann als Kurzabsenkung bezeichnet werden. Das besagte Absenken erfolgt dann, wenn die Leitplankenelement 2, 3 zueinander verschwenkt sind und die Längsachse L nicht mehr kollinear zueinander verlaufen. Diese geneigte Fläche 23 dient als Auffahrschutz, sodass im Falle einer Kollision ein Fahrzeug auf die Leitplanke gehoben wird, wodurch ein Frontalaufprall verhindert wird. Für diesen Fall weist das zweite Leitplankenelement eine geneigt zur horizontalen Fläche angeordnete Fläche 17 auf, wobei sich die Fläche 17 von Ebene H sich nach oben erstreckt. Die Fläche 17 hat den gleichen Effekt wie die Fläche 23. Im abgesenkten Zustand befindet sich das zweite Verriegelungselement 5 im entriegelten Zustand.Next, the flap member 18, as in the FIG. 3 are shown lowered to the driving plane H, so that with respect to the plane H, an inclined surface 23 can be provided. In the lowered state, the flap element 18 rests with a free end 20 on the driving plane H. This can be referred to as short-cut. The said lowering takes place when the guard rail element 2, 3 are pivoted to each other and the longitudinal axis L no longer run collinear to each other. This inclined surface 23 serves as Auffahrschutz, so that in case of a collision, a vehicle is lifted onto the guardrail, whereby a frontal impact is prevented. In this case, the second guard rail element has a surface 17 arranged inclined with respect to the horizontal surface, the surface 17 extending upward from plane H. The surface 17 has the same effect as the surface 23. In the lowered state, the second locking element 5 is in the unlocked state.

Das Klappenelement 18 weist einen Aufnahmebereich 19 auf, welcher das zweite Leitplankenelement 2 teilweise umgibt. Das Klappenelement 18 kann daher auch die Funktion eines Verriegelungselementes aufweisen, weil es sich über das Leitplankenelement 3 erstreckt und dieses entsprechend umgreift. Das Klappenelement ist im Querschnitt rechtwinklig zur Längsachse L gesehen im Wesentlichen u-förmig ausgebildet.The flap element 18 has a receiving region 19 which partially surrounds the second guard rail element 2. The flap element 18 may therefore also have the function of a locking element, because it extends over the guard rail element 3 and surrounds this accordingly. The flap element is formed in a cross-section at right angles to the longitudinal axis L is substantially U-shaped.

Anhand der Figuren 4 und 5 wird nun das obere Verriegelungselement 4 detaillierter erläutert. Der Aktuator 6 und der Verriegelungsbolzen 7 sind hier am ersten Leitplankenelement 2, genauer am Klappenelement 18 angeordnet. Der Verriegelungsbolzen 7 ragt durch ein Führungselement 16 mit der Führungsöffnung 15 hindurch und wird dort entsprechend geführt. Mit anderen Worten kann auch gesagt werden, dass das Klappenelement 18 mit dem oberen Verriegelungselement 4 verriegelt wird. Somit weist obere Verriegelungselement zwei Funktionen auf, einerseits die Verriegelung der Leitplankenelemente 2, 3 zueinander und andererseits die Verriegelung des Klappenelementes 18. Die Verriegelungsaufnahme 8, die hier am zweiten Leitplankenelement 3 angeordnet ist, umfasst einen mit Seitenwänden 11 begrenzten Aufnahmeraum 12. Die Seitenwände 11 umfassen hier Aufnahmeöffnungen 13 für die Aufnahme des Verriegelungsbolzens 7. In der vorliegenden Ausführungsform sind zwei Seitenwände 11 mit entsprechenden Aufnahmeöffnungen 13 beanstandet zueinander angeordnet und begrenzen den Aufnahmeraum 12. Der Verriegelungsbolzen 7 ragt durch die Aufnahmeöffnungen 13 in den Aufnahmeraum 12 hinein bzw. hindurch.Based on FIGS. 4 and 5 Now, the upper locking element 4 is explained in more detail. The actuator 6 and the locking bolt 7 are arranged here on the first guard rail element 2, more precisely on the flap element 18. The locking bolt 7 protrudes through a guide element 16 with the guide opening 15 and is guided there accordingly. In other words, it can also be said that the flap element 18 is locked to the upper locking element 4. Thus, upper locking element has two functions, on the one hand, the locking of the guard rail elements 2, 3 to each other and on the other hand, the locking of the flap element 18. The locking receptacle 8, which is arranged here on the second guard rail element 3, comprises a limited space with side walls 11 receiving space 12. The side walls 11th here include receiving openings 13 for the Receiving the locking bolt 7. In the present embodiment, two side walls 11 with corresponding receiving openings 13 are spaced apart from each other and define the receiving space 12. The locking pin 7 protrudes through the receiving openings 13 into the receiving space 12 or therethrough.

In der bevorzugten Ausführungsform gemäss der Figur 5 umfasst das obere Verriegelungselement 4 zusätzlich einen Verriegelungsstift 10. Der Verriegelungsstift 10 weist eine Öffnung 9 auf, in welcher der Verriegelungsbolzen 7 einragen kann. Im verriegelten Zustand verläuft der Verriegelungsstift 10 rechtwinklig zum Verriegelungsbolzen 7. Zudem ist der Verriegelungsstift 10 vorzugsweise im gleichen Leitplankenelement 2, 3 wie der Verriegelungsbolzen 7 befestigt. Der Verrieglungsstift 10 ragt in der verriegelten Position in die Verriegelungsaufnahme 8, insbesondere in den Aufnahmeraum 12 ein. Dies wird in der Figur 4 entsprechend gezeigt. Wenn nun eine Kraft auf das eine Leitplankenelement 2 oder das andere Leitplankenelement 3 wirkt, so wird die Kraft durch das Verriegelungselement 4 aufgenommen. Für die Aufnahme der Kraft ragt der Verriegelungsbolzen 7 durch die Führungsöffnung 15, durch die Aufnahmeöffnungen 13 und durch die Öffnung 9 im Verriegelungsstift 10. Die Verriegelung erfolgt also an mehreren unterschiedlichen Punkten.In the preferred embodiment according to the FIG. 5 The upper locking element 4 additionally comprises a locking pin 10. The locking pin 10 has an opening 9 in which the locking bolt 7 can protrude. In the locked state, the locking pin 10 extends at right angles to the locking pin 7. In addition, the locking pin 10 is preferably in the same guard rail element 2, 3 as the locking pin 7 is fixed. The locking pin 10 protrudes in the locked position in the locking receptacle 8, in particular in the receiving space 12 a. This is in the FIG. 4 shown accordingly. Now, if a force acts on the one guard rail element 2 or the other guard rail element 3, the force is absorbed by the locking element 4. For receiving the force of the locking pin 7 protrudes through the guide opening 15, through the receiving openings 13 and through the opening 9 in the locking pin 10. The locking takes place at several different points.

Der Verriegelungsstift 10 ist bezüglich seiner Ausdehnung in Längsachse L kleiner ausgebildet als der Aufnahmeraum 12. Es gibt also ein Spiel 24 zwischen den Aufnahmeraum 12 und dem Verriegelungsstift 10. Dieses Spiel entlang der Längsrichtung L hat den Vorteil, dass Temperaturausdehnungen der Leitplankenelemente aufnehmbar sind. Dabei bewegt sich der Verriegelungsstift 10 innerhalb des Aufnahmeraums 12. Diese Aufnahme der Längenveränderung beziehungsweise die Kompensation der Längenveränderung hat aber keinen Einfluss auf die Art der Verriegelung und somit kann gesagt werden, dass diese Art der Aufnahme besonders vorteilhaft ist. Der Verriegelungsstift 10 bildet zusammen mit den Seitenwänden 11 das Anschlagselement 21.There is thus a clearance 24 between the receiving space 12 and the locking pin 10. This clearance along the longitudinal direction L has the advantage that temperature expansions of the guard rail elements can be accommodated with respect to its extension in the longitudinal axis L. In this case, the locking pin 10 moves within the receiving space 12. This recording of the change in length or the compensation of the change in length but has no effect on the type of locking and thus it can be said that this type of recording is particularly advantageous. The locking pin 10, together with the side walls 11, the stop element 21st

In der Figur 5 wird das Klappenelement 18 im verschwenkten Zustand gezeigt. Hier kann gut erkannt werden, wie der Verriegelungsstift 10 ausserhalb des Aufnahmeraums 12 liegt. In der Figur 5 wird auch gezeigt, dass der Verriegelungsstift 10 und das Führungselement 16 an der gleichen Fläche am Klappenelement 18 angeordnet sind.In the FIG. 5 the flap element 18 is shown in the pivoted state. Here it can be well recognized how the locking pin 10 is located outside of the receiving space 12. In the FIG. 5 It is also shown that the locking pin 10 and the guide member 16 are disposed on the same surface on the flap member 18.

Weiter kann in der Figur 5 auch gut erkannt werden, dass der Bolzen 7 im verriegelten Zustand durch die Fläche 17 hindurch in das Leitplankenprofil des zweiten Leitplankenelementes 3 hineinragt. Die Fläche 17 weist je nach Ausbildung Öffnungen für die Durchführung der Verriegelungsbolzen 7, 28 zu den Aufnahmeräumen 12.Next can in the FIG. 5 be well recognized that the bolt 7 protrudes in the locked state through the surface 17 into the guard rail profile of the second guard rail element 3. Depending on the design, the surface 17 has openings for the passage of the locking bolts 7, 28 to the receiving spaces 12.

In der Figur 8 wird eine Schnittdarstellung durch das erste Verriegelungselement 4 entlang der Schnittlinie B-B der Figur 1 gezeigt. Hier kann gut erkannt werden, wie der Verriegelungsbolzen 7 in die Öffnung 9 im Verrieglungsstift 10 einragt. Weiter kann hier der Aufnahmeraum 12 ebenfalls gut erkannt werden.In the FIG. 8 is a sectional view through the first locking element 4 along the section line BB of FIG. 1 shown. Here can be well recognized as the locking pin 7 protrudes into the opening 9 in the locking pin 10. Next, the receiving space 12 can also be easily recognized here.

In der Figur 8 kann weiter das Profil des Leitplankenelementes 3 gut erkannt werden. Es handelt sich hier um ein U-förmiges Profil 25, welches auf der Fahrebene aufsteht.. Im oberen Abschnitt des Profils 25 ist der Aufnahmeraum 12 angeordnet. Andere Profilarten sind ebenfalls denkbar. Beispielsweise ein aus einem Unterprofil und einem Oberprofil zusammengesetztes Profil.In the FIG. 8 can continue the profile of the guard rail element 3 are well recognized. This is a U-shaped profile 25 which rests on the driving plane. In the upper portion of the profile 25, the receiving space 12 is arranged. Other types of profiles are also conceivable. For example, composed of a sub-profile and a top profile.

Anhand der Figuren 6, 7 und 9 wird nun das untere bzw. das zweite Verriegelungselement 5 noch detaillierter erläutert. Der Aktuator 27 und der Verriegelungsbolzen 28 sind hier am ersten Leitplankenelement 2, genauer Profil 29 des ersten Leitplankenelementes 2 angeordnet. Der Verriegelungsbolzen 7 ragt durch ein Führungselement 30 mit einer Führungsöffnung 31 hindurch und wird dort entsprechend geführt. Die Verriegelungsaufnahme 32, die hier am zweiten Leitplankenelement 3 angeordnet ist, umfasst einen mit Seitenwänden 33 begrenzten Aufnahmeraum 12.Based on FIGS. 6, 7 and 9 Now, the lower and the second locking element 5 will be explained in more detail. The actuator 27 and the locking pin 28 are arranged here on the first guard rail element 2, more precisely profile 29 of the first guard rail element 2. The locking bolt 7 protrudes through a guide element 30 with a guide opening 31 and is guided there accordingly. The locking receptacle 32, which is arranged here on the second guard rail element 3, comprises a receiving space 12 bounded by side walls 33.

In der Figur 6 wird der verriegelte und in der Figur 7 der entriegelte Zustand gezeigt. Hierbei wurde der Verriegelungsbolzen 28 durch den Aktuator 27 zurückgezogen.In the FIG. 6 is the locked and in the FIG. 7 the unlocked state shown. In this case, the locking pin 28 has been withdrawn by the actuator 27.

In der Figur 7 wird weiter das Anschlagselement 21 gezeigt, welches hier die Gestalt von zwei Laschen 22 aufweist. Eine der Laschen 22 ist am ersten Leitplankenelement 2 und eine der Laschen ist am zweiten Leitplankenelement 3 angeordnet. Im verriegelten Zustand stehen die Laschen beabstandet zueinander, so dass zwischen den Laschen 22 Spiel 24 vorhanden ist. Das Spiel 24 entspricht bevorzugt dem Spiel 24 des Anschlagselementes 21 des oberen bzw. ersten Verriegelungselementes 4 und ist bevorzugt im Bereich von einigen Zentimetern, wie beispielsweise im Bereich von 5 cm bis 10 cm.In the FIG. 7 the stop element 21 is further shown, which here has the shape of two tabs 22. One of the tabs 22 is on the first guard rail element 2 and one of the tabs is arranged on the second guard rail element 3. In the locked state, the tabs are spaced from each other, so that between the tabs 22 game 24 is present. The game 24 preferably corresponds to the play 24 of the stop element 21st of the upper and first locking element 4 and is preferably in the range of a few centimeters, such as in the range of 5 cm to 10 cm.

In der Figur 9 wird eine Schnittdarstellung durch das zweite Verriegelungselement 5 entlang der Schnittlinie B-B der Figur 1 gezeigt. Hier kann gut erkannt werden, wie der Verriegelungsbolzen 28 in die Verriegelungsaufnahme 32 einragt.In the FIG. 9 is a sectional view through the second locking element 5 along the section line BB of FIG. 1 shown. Here can be well recognized as the locking pin 28 protrudes into the locking receptacle 32.

In der Figur 9 kann weiter das Profil des Leitplankenelementes 2 gut erkannt werden. Es handelt sich hier um ein U-förmiges Profil 34, welches auf der Fahrebene aufsteht. Andere Profilarten sind ebenfalls denkbar. Beispielsweise ein aus einem Unterprofil und einem Oberprofil zusammengesetztes Profil. BEZUGSZEICHENLISTE 1 Leitplankenvorrichtung 18 Klappenelement 2 erstes Leitplankenelement 19 Aufnahmebereich 3 zweites Leitplankenelement 20 freies Ende 4 erstes Verriegelungselement 21 Anschlagselement 5 zweites Verriegelungselement 22 Laschen 6 fluidischer Antrieb 23 geneigte Fläche 7 Verriegelungsbolzen 24 Spiel 8 Verriegelungsaufnahme 25 Profil 9 Öffnung 27 Aktuator 10 Verriegelungsstift 28 Verriegelungsbolzen 11 Seitenwand 29 Profil 12 Aufnahmeraum 30 Führungselement 13 Aufnahmeöffnung 31 Führungsöffnung 32 Verriegelungsaufnahme 15 Führungsöffnung 33 Seitenwände 16 Führungselement 34 Profil 17 Fläche In the FIG. 9 can continue the profile of the guard rail element 2 are well recognized. This is a U-shaped profile 34, which stands up on the driving level. Other types of profiles are also conceivable. For example, composed of a sub-profile and a top profile. LIST OF REFERENCE NUMBERS 1 guardrail device 18 flap element 2 first guard rail element 19 reception area 3 second guard rail element 20 free end 4 first locking element 21 stop element 5 second locking element 22 tabs 6 fluidic drive 23 inclined surface 7 locking bolt 24 game 8th locking receptacle 25 profile 9 opening 27 actuator 10 locking pin 28 locking bolt 11 Side wall 29 profile 12 accommodation space 30 guide element 13 receiving opening 31 guide opening 32 locking receptacle 15 guide opening 33 side walls 16 guide element 34 profile 17 area

Claims (14)

  1. A guard rail device (1) for arrangement on a plane (H) lying substantially in the horizontal, in particular a driving level, comprising
    a first mobile guard rail element (2), which is pivotable about a first rotation axis (A1) extending substantially perpendicularly to said plane (H),
    a second mobile guard rail element (3), which is pivotable about a second rotation axis (A2) being arranged at a distance from the first rotation axis (A1) and extending perpendicularly to said plane (H), and
    a locking unit (4, 5), by means of which the first and the second mobile guard rail elements (2, 3) are lockable with each other,
    wherein each of the first mobile guard rail element (2) and the second mobile guard rail element (3) extend along a longitudinal axis (L), which longitudinal axis (L) extends parallel to said plane (H),
    wherein the
    locking unit (4, 5) comprises at least one first locking element (4) and one second locking element (5), which provide a locking between the mobile guard rail elements (2, 3) with respect to a relative movement transverse to the longitudinal axis (L), characterized in that
    the first mobile guard rail element (2) comprises a flap element (18), which is pivotable with respect to the guide rail elements (2, 3) about an axis (X) lying parallel to the horizontal, wherein the flap element (18) is placeable to the lane with its free end (20) lying opposite to the said axis (X), wherein the upper side of the flap element (18) provides an inclined surface (23) towards the driving level, such that a front-end impact protection is provided.
  2. The guard rail device according to claim 1, characterized in that each of the locking elements (4, 5) prevents the said relative movement transverse to the longitudinal axis (L) and provides a locking against the said relative movement transverse to the longitudinal axis (L), respectively.
  3. The guard rail device according to claim 1 or 2, characterized in that at least one of, preferably each of, the locking elements (4, 5) comprises a stop element (21), which stands against a relative movement between the guard rail elements in the longitudinal direction (L), wherein the stop element (21) preferably allows a relative movement between the guard rail elements along the longitudinal axis (L) within a predetermined clearance.
  4. The guard rail device according to any one of the preceding claims, characterized in that the locking element comprises an actuator (6, 27), in particular a fluidic actuator (6, 27), with a locking bolt (7, 28) and a locking reception (8, 32) for receiving the locking bolt (7, 28), wherein the actuator (6, 27) is arranged or mounted with the locking bolt (7, 28) at one of the guard rail elements (2, 3) and the locking reception (8, 32) at the other of the guard rail elements (3, 2).
  5. The guard rail device according to claim 4, characterized in that the locking bolt (7, 28) is guided in a guiding opening (15, 30) of a guiding element (16, 31), which guiding opening (16, 31) is arranged at the same guard rail element (3, 4) as the actuator (6, 27), which is in contact with the locking bolt (7, 28).
  6. The guard rail device according to claim 4 or 5, characterized in that the locking reception (8) comprises a receiving space (12) being delimited by side walls (11), wherein a receiving aperture (13) for receiving the locking bolt is arranged in at least one of the side walls (11), preferably in two side walls (11) being located opposite each other with respect to the receiving space.
  7. The guard rail device according to any one of claims 4 to 6, characterized in that the locking element, in particular the first locking element (4), comprises a locking pin (10), wherein the locking bolt (7) protrudes into an opening (9) in the locking pin (10), wherein the locking pin (10) is oriented perpendicularly to the locking bolt (7) and is preferably attached to the same guard rail element (2, 3) as the locking bolt (7), wherein the locking pin (10) protrudes into the said locking reception (8), in particular into the receiving space (12).
  8. The guard rail device according to any one of claims 4 to 7, characterized in that the locking pin (10) protrudes into the receiving space (12) in the closed state, and thereby provides the stop element (21), wherein clearance in the direction of the longitudinal axis (L) is available between the side walls (11) and the locking pin (10).
  9. The guard rail device according to any one of the preceding claims, characterized in that the stop element, in particular the second locking element (5), is provided by means of two lugs (22) running transversely with respect to the longitudinal axis (L), wherein one of the lugs (22) is arranged at the first guard rail element (2) and the other of the lugs (22) is arranged at the second guard rail element (3), and wherein preferably clearance is available between the lugs (22).
  10. The guard rail device according to claim 8 or 9, characterized in that the clearance of the stop element of the first locking element (4) is equal to or essentially equal to the clearance of the stop element of the second locking element (5).
  11. The guard rail device according to any one of the preceding claims, characterized in that the actuators (15) of the first locking element (4) and of the second locking element (5) are arranged at the same guard rail element (3, 4).
  12. The guard rail device according to any one of the preceding claims, characterized in that the second guard rail element (2) comprises a surface (17) being arranged inclined with respect to the horizontal, wherein the surface (17) extends from the driving level (H) upwardly and wherein the locking bolts (7, 28) penetrate the surface (17) in the locked state and protrude through the surface (17) into the second guard rail element (3).
  13. The guard rail device according to any one of the preceding claims, characterized in that the flap element (18) comprises a receiving area (19) which partially overlaps the second guard rail element (2).
  14. The guard rail device according to any one of the preceding claims, characterized in that parts of the first locking element (4) and/or parts of the second locking element (5), in particular the actuators (6), are formed at the flap element (18).
EP13161349.9A 2013-03-27 2013-03-27 Guard rail device, in particular guard rail connection system, comprising a locking unit and short lowering Active EP2784222B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13161349.9A EP2784222B1 (en) 2013-03-27 2013-03-27 Guard rail device, in particular guard rail connection system, comprising a locking unit and short lowering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13161349.9A EP2784222B1 (en) 2013-03-27 2013-03-27 Guard rail device, in particular guard rail connection system, comprising a locking unit and short lowering

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EP2784222A1 EP2784222A1 (en) 2014-10-01
EP2784222B1 true EP2784222B1 (en) 2016-12-28

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019011425A1 (en) 2017-07-12 2019-01-17 Wenger, Projekte Und Coaching Terminal element of a traffic barrier device, transition system, and method for providing impact protection
WO2019011424A1 (en) 2017-07-12 2019-01-17 Wenger, Projekte Und Coaching Terminal element of a traffic barrier device, transition system, and method for providing impact protection

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112963049A (en) * 2021-02-20 2021-06-15 广东韶钢松山股份有限公司 Anticollision tumbler structural formula guardrail

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Publication number Priority date Publication date Assignee Title
FR2795106B1 (en) 1999-06-18 2001-09-07 Colas Sa CENTRAL FULL TERRUP INTERRUPTION DEVICE
DE10004250A1 (en) * 2000-02-01 2001-08-02 Elkosta Security Systems Gmbh Center lane changeover system has pressure generating equipment, drives and barrier controls mounted inside barriers forming rows of guide barriers with vertically deployable rollers
DE202006007972U1 (en) * 2006-05-10 2007-01-18 Outimex-Bautechnik Gmbh Guide mechanism for central division of traffic routes has two panels mounted on a connecting device so as to be pivotable about pivot axis and together forming gate in passage
DE102009050786A1 (en) * 2009-10-27 2011-04-28 Volkmann & Rossbach Gmbh & Co. Kg Anchorage post for vehicle restraint system for securing roadways, has plate inserted into cavity, and material strip extending diametrically by cavity and crossing when viewing in longitudinal direction of tubing element
DE102011053263B4 (en) * 2011-09-05 2013-10-10 Heintzmann Sicherheitssysteme Gmbh & Co. Kg Threshold barrier and vehicle restraint system with a barrier barrier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019011425A1 (en) 2017-07-12 2019-01-17 Wenger, Projekte Und Coaching Terminal element of a traffic barrier device, transition system, and method for providing impact protection
WO2019011424A1 (en) 2017-07-12 2019-01-17 Wenger, Projekte Und Coaching Terminal element of a traffic barrier device, transition system, and method for providing impact protection
AU2017423440B2 (en) * 2017-07-12 2023-12-07 Wenger, Projekte Und Coaching Terminal element of a traffic barrier device, transition system, and method for providing impact protection

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