EP3945161A1 - Absorbeur de choc pourvu de support d'extrémité - Google Patents

Absorbeur de choc pourvu de support d'extrémité Download PDF

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Publication number
EP3945161A1
EP3945161A1 EP21154020.8A EP21154020A EP3945161A1 EP 3945161 A1 EP3945161 A1 EP 3945161A1 EP 21154020 A EP21154020 A EP 21154020A EP 3945161 A1 EP3945161 A1 EP 3945161A1
Authority
EP
European Patent Office
Prior art keywords
damping elements
web plate
impact damper
longitudinal direction
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21154020.8A
Other languages
German (de)
English (en)
Other versions
EP3945161B1 (fr
Inventor
Karl Urlberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPS Schutzplanken GmbH
Original Assignee
SPS Schutzplanken GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SPS Schutzplanken GmbH filed Critical SPS Schutzplanken GmbH
Publication of EP3945161A1 publication Critical patent/EP3945161A1/fr
Application granted granted Critical
Publication of EP3945161B1 publication Critical patent/EP3945161B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 traffic routes with a rear end support.
  • crash cushions are known from the prior art.
  • the applicant himself has filed a large number of property right applications, which are available in the official registers. These work very well in practice, but should be simplified with regard to their connection options to further protective devices.
  • the object of the invention is to absorb the residual energy from vehicles impacting frontally in the rear end section and to ensure improved return to the roadway from vehicles impacting from the side in this end section.
  • an impact damper for traffic routes is proposed with a plurality of damping elements which are arranged in a row in a longitudinal direction and form a front impact section and a rear end section when viewed in a longitudinal direction.
  • the crash cushion also includes a support device as a rear end support, which is connected to at least one of the damping elements in the end section.
  • the support device is characterized by a base element for attachment to the ground and a plate-like web plate arranged thereon, which defines a wall surface running parallel to the longitudinal direction, to which at least one of the damping elements is attached.
  • the web plate increases the residual energy that can be absorbed in the end section.
  • the side wall surface which runs parallel or substantially parallel to the roadway when used as intended, vehicles that collide laterally with the end section are guided back onto the roadway in a more defined manner.
  • the web plate is designed so that it can yield in the event of a lateral impact.
  • An advantageous embodiment variant of the crash cushion provides that at least the last two of the damping elements, seen in the longitudinal direction, are fastened to the web plate.
  • the crash cushion is characterized in that only the last two seen in the longitudinal direction Damping elements are attached to the plate-like web plate.
  • the web plate protrudes beyond the last damping element, viewed in the longitudinal direction. This enables longer support and the absorption of higher forces. If, for example, the speed is limited and the frontal impact speed is to be expected to be lower, it can be provided in a second exemplary embodiment that the web plate, seen in the longitudinal direction, terminates with the last damping element or is even set back. The basic construction remains unchanged, only the length of the web plate in the longitudinal direction is varied.
  • An advantageous embodiment of the crash cushion is characterized in that damping elements are arranged on both sides of the web plate, viewed perpendicularly to the longitudinal direction.
  • the damping elements arranged on both sides are preferably each attached to one another and to the web plate, in particular screwed.
  • the web plate is preferably designed in such a way that, starting from the base, it extends vertically upwards in a vertical direction and has a vertical height that is less than that of the damping elements arranged on the web plate. In the event of a side impact of a vehicle, the impact occurs exclusively against the damping elements, the web plate is sunk vertically in relation to the damping elements.
  • the web plate can also be designed higher than the damping elements if other items of equipment, such as a Anti-glare fence should be installed. The web plate then advantageously takes on several functions at the same time.
  • the base element is formed by a base plate which can be fastened to the ground.
  • the web plate preferably extends vertically upwards in relation to the base plate.
  • an advantageous embodiment of the crash cushion provides for the web plate to be attached, in particular welded, to the base plate by means of a plurality of support plates arranged perpendicular to the web plate and the base plate, in particular in the form of wedge plates.
  • a development of the crash cushion is also characterized in that the damping elements arranged on the web plate are designed identically to other damping elements of the crash cushion. Thus, no special damping elements have to be provided for the end support. Assembly errors, for example due to incorrect selection of the correct damping elements for the end support, are also avoided.
  • the crash cushion also provides that the damping elements are designed as damping tubes with a round cross section.
  • the damping elements are designed as damping tubes with a round cross section.
  • the web plate an embodiment as a flat metal plate is preferred.
  • the wall thickness of the damping tubes is smaller than that of the web plate.
  • the crash cushion is characterized in that that the support device and the web plate extend in the longitudinal direction beyond one end of the damping elements and in this protruding section there are bores for connecting a further protective device.
  • FIG 1 an embodiment according to the invention of a crash cushion 1 for traffic routes is shown in a plan view.
  • the crash cushion 1 comprises a row arranged in the longitudinal direction L of two mutually associated damping elements 2 designed as damping tubes, which are each screwed together.
  • the longitudinal direction corresponds to the direction of travel of vehicles.
  • the crash cushion 1 comprises the front crash section 3, in particular in the case of a frontal crash, and the rear end section 4, which according to the invention is trained.
  • Alternative embodiments of the crash cushion according to the invention can, for example, also have two rows of the crash cushion 1 arranged in a V-shape relative to one another figure 1 include.
  • FIG. 12 is a detailed perspective view and top view of the end section 4 of the crash cushion 1.
  • FIG figure 1 shown.
  • the end section 4 is formed by two mutually connected damping elements 2, between which the supporting device 5 is arranged.
  • the support device 5 is shown individually in Figures 4 and 5 and comprises the base plate 6 for fastening the support device 5 via the bores 18 in the substructure and the web plate 7, which is designed as a metal plate and is positioned vertically on the base plate 6 and has a base plate 6 on both sides parallel to the Longitudinally extending wall surfaces 9 determined.
  • the web plate 7 extends vertically upwards and is welded to the base plate 6 by means of wedge plates 19 designed as support plates.
  • the wedge plates 19 run perpendicularly to the base plate 6 and the web plate 7.
  • the web plate 7 includes bores 8 for fastening the damping elements 2 and as a connection for further protective devices.
  • the supporting device 5 and thereby also the web plate 7 extends in the longitudinal direction beyond one end of the damping elements 2 .
  • This protruding section includes the holes 8 for connecting the further protective devices.
  • versions are also included in which the support device 5 terminates at the back in a plane with the damping elements 2 or is even set back in relation to the damping elements 2, as is provided on the front side of the end section 3; please refer figure 3 .
  • each of the damping elements 2 is connected to the damping element 2 adjoining in the longitudinal direction on its side pointing away from the roadway and towards the roadway with a respective connecting plate 11 .
  • the respective connecting plate 11 is screwed into the associated damping elements 2 .
  • connecting webs 12 running at an angle to the web plate 7 are arranged between the respective damping elements 2 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
EP21154020.8A 2020-07-29 2021-01-28 Absorbeur de choc pourvu de support d'extrémité Active EP3945161B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020120039.0A DE102020120039A1 (de) 2020-07-29 2020-07-29 Anpralldämpfer mit Endabstützung

Publications (2)

Publication Number Publication Date
EP3945161A1 true EP3945161A1 (fr) 2022-02-02
EP3945161B1 EP3945161B1 (fr) 2022-10-19

Family

ID=74346976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21154020.8A Active EP3945161B1 (fr) 2020-07-29 2021-01-28 Absorbeur de choc pourvu de support d'extrémité

Country Status (2)

Country Link
EP (1) EP3945161B1 (fr)
DE (1) DE102020120039A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058884A1 (de) * 2004-12-06 2006-06-08 Sps Schutzplanken Gmbh Anpralldämpfer an Verkehrswegen
US20170362788A1 (en) * 2014-12-01 2017-12-21 Obex Systems Ltd. Terminal for Road Crash Barrier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6427983B1 (en) 2000-10-12 2002-08-06 Energy Absorption Systems, Inc. Self-restoring highway crash attenuator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004058884A1 (de) * 2004-12-06 2006-06-08 Sps Schutzplanken Gmbh Anpralldämpfer an Verkehrswegen
US20170362788A1 (en) * 2014-12-01 2017-12-21 Obex Systems Ltd. Terminal for Road Crash Barrier

Also Published As

Publication number Publication date
DE102020120039A1 (de) 2022-02-03
EP3945161B1 (fr) 2022-10-19

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