EP2784221B1 - Dispositif de roulement pour systèmes de glissière de sécurité - Google Patents

Dispositif de roulement pour systèmes de glissière de sécurité Download PDF

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Publication number
EP2784221B1
EP2784221B1 EP13161348.1A EP13161348A EP2784221B1 EP 2784221 B1 EP2784221 B1 EP 2784221B1 EP 13161348 A EP13161348 A EP 13161348A EP 2784221 B1 EP2784221 B1 EP 2784221B1
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EP
European Patent Office
Prior art keywords
chassis
driving
travelling device
guiding
rail section
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.)
Active
Application number
EP13161348.1A
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German (de)
English (en)
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EP2784221A1 (fr
Inventor
Lars Kaufmann
Lorenz Kaufmann
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Kaufmann AG
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Kaufmann AG
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Priority to EP13161348.1A priority Critical patent/EP2784221B1/fr
Publication of EP2784221A1 publication Critical patent/EP2784221A1/fr
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Publication of EP2784221B1 publication Critical patent/EP2784221B1/fr
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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
    • E01F15/006—Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled barriers

Definitions

  • the present invention relates to a landing gear device for a crash barrier guidance system on traffic routes according to the preamble of claim 1 and a guardrail section movable with this landing gear device.
  • Guard rails or guidance systems are installed by default as a guide to traffic routes, especially in the median strip between individual lanes of multi-lane roads, preferably in front of tunnels, for rapid diversion during maintenance or traffic management.
  • a stationary attachment of such conductive boundaries has the disadvantage that a temporary transition between two separated by the guide road areas is only possible by at least partial disassembly of the attachment.
  • a guide which has a horizontally pivotable barrier adjacent a stationary barrier or plank.
  • This guide thresholds are coupled at their mutually facing end sides via a rotary joint with a vertical pin.
  • the swiveling barrier is equipped with a support rollers comprehensive, cylinder-equipped lifting unit. By means of this lifting unit, the support rollers are retractable and retractable.
  • a drive unit for displacing the pivotable, resting on the extended support rollers integrated threshold is integrated.
  • the DE 10 2007 027456 A1 shows a landing gear device with foldable driving elements, wherein the pivot axes are each vertical.
  • the DE 600 14 502 T2 also shows a guard rail system with a pivotable Leitschwellenabêt.
  • support legs with rollers can be extended such that the pivotable guide threshold section can be pivoted on one of these rollers with one end.
  • guardrail systems with known driving units tend to undesirable tilting movements, which adversely affects the movement process, especially when the ground, over which roll the rollers, is uneven or has cracks or overlying foreign body.
  • a tipping stability of the movable guard rail sections should be increased.
  • a landing gear device for a guardrail guide system is specified in particular on a traffic route, this landing gear device a mounting element for mounting the landing gear device on a crash barrier section of the crash barrier guidance system, a chassis for moving the crash barrier section on a substantially horizontally extending driving plane by means of the suspension device mounted on the guard rail section via the mounting element, an actuator element, by means of which the chassis can be extended and retracted between a rest position and a driving position, wherein the chassis has at least one driving element, which driving element during extension of the chassis from the rest position to the driving position is substantially parallel to the driving plane unfolded, wherein the driving element with respect to a plane perpendicular to the driving plane along a driving direction along which the driving element leads the suspension device, folds out is.
  • a chassis device is preferred in which the traveling element can be folded along a direction of travel with respect to a plane that is perpendicular to the driving plane and wherein said movement of the traveling member is a combined movement of said extending movement of the chassis and said deploying movement.
  • the driving element is movable by the Ausklappterrorism between a starting position and an end position such that the driving element when extending the chassis from the rest position to the driving position of the starting position merges into the end position and when retracting the chassis from the driving position in the Rest position moves from the end position to the starting position.
  • the horizontal is the direction transverse to the direction of gravity, whereby the expression "plane extending substantially in the horizontal plane” is to be understood as meaning that this plane may also be inclined by up to 15 degrees, as in the case of automobile streets Curves, for example, can occur.
  • the direction of travel is the direction in which the driving element guides the chassis device.
  • the suspension device which can be extended and retracted in the vertical direction has a drive element which can be folded and folded horizontally.
  • the storage space is optimally used in a recording of the guard rail section by the horizontally folded and vertically retracted drive element.
  • the chassis When retracted, the chassis preferably hangs freely in the receptacle on the mounting element.
  • the driving element is unfolded and the driving element is in the end position. Thereby, a horizontal distance of the support points of the driving element is increased from the line of gravity to a center of gravity of the movable device, which reduces the tilting moments and thus stabilizes the displacement.
  • the driving element has at least two rollers arranged at a distance in the direction of travel, this distance being at In a preferred embodiment, the driving element has at least two rollers arranged at a distance in the direction of travel, wherein this distance is smaller when lying in the starting position driving element than lying in the end position driving element and wherein the spaced rollers are preferably arranged on an axle on the chassis, which Axis is preferably a common pivot axis.
  • the distance of the rollers in the direction of travel is in this case so large that the landing gear device can stand stable and wide on the ground, even with a resting on the mounting element guard rail section.
  • a single pivot axis for the rearward with respect to the direction of travel and the pivotable forward rollers allows a compact design with a minimum number of components.
  • the chassis device is the use according to loads correspondingly stable, for example. Made of welded steel elements and solid rubber wheels.
  • the actuator element between the mounting member and the chassis is arranged such that a direction of movement of the chassis between the rest position and the driving position is substantially perpendicular to the driving plane, wherein the chassis device is adapted to extend the chassis while raising the crash barrier section and retracting under lowering of the guard rail section ,
  • the actuator element is able to push apart the assembly element and the chassis and bring it back together in a controlled manner while raising or lowering the guard rail section.
  • a guide element is preferably arranged between the mounting element and the chassis for guiding the actuator-actuated extension and retraction movement of the chassis in the direction of movement, this guide element preferably being a telescopic guide element.
  • telecopic guide element is meant a guide element which comprises telescoping elements or which telescopes into another element.
  • the chassis comprises a base element, one between the Starting position and the end position substantially pivotable in the direction of travel first guide arm and between the starting position and the end position substantially against the direction of travel pivotable second guide arm.
  • the first and the second guide arm are respectively pivoted on the base element in such a way that the first guide arm can be pivoted out of the initial position in the direction of travel into the end position and the second guide arm can be pivoted out of the initial position counter to the direction of travel into the end position.
  • the rollers are arranged for rolling contact with the plane as the driving element.
  • pivotable guide arms as folding mechanism, on which rollers are mounted, wherein the rollers are horizontally so close to each other in the starting position that the corresponding receptacle in the guard rail section is optimally utilized in the suspension device lying in the rest position.
  • the folding mechanism is further preferably designed such that the rollers are unfolded or pivoted in the end position, so that the contact points of the rollers stand as broad and stable as possible on the ground.
  • the folding mechanism is thus advantageous in the conflict of objectives of adherence to limited absorption capacity of the guardrail section to be displaced or the associated dimensional restriction and a stable and therefore wide edition of the driving element to reduce tilt in along the direction of travel.
  • the landing gear device further comprises a stop element for abutment of the respective first and second guide arms pivoted into the end position, wherein the stop element is preferably fixedly arranged on the chassis, in particular on the base element and optionally the guide arms are preferably aligned on the same pivot axis on the base element.
  • first and second guide arms are arranged in the base element in the horizontal axis direction of the pivot axis, wherein preferably the rollers of the first guide arms are mounted on a common, continuous first roller axis and the rollers of the second guide arms are supported via a common, continuous second roller axle.
  • These roller axes are parallel to each other in the axial direction, wherein preferably each roller is taken on both sides in the direction of the axis in each case a corresponding guide arm.
  • the first guide arms are each arranged offset in the axial direction to the second guide arms. This further increases the stability, in which case also the rollers on the first roller axle are arranged offset from the rollers on the second roller axle.
  • the landing gear device continues to guide rollers for lateral guidance of the extension and retraction movement on the guard rail section, i. along its internal receptacle.
  • actuator elements which can be actuated electrically or fluidically, wherein the actuator element preferably comprises at least one air bellows, preferably exactly two air bellows, which are pneumatically actuated.
  • the actuator element may alternatively or additionally comprise a preferably centered, housed in the cavity of the guide member gear, in particular a rack gear which is actuated via a crank, wherein the crank is in particular a hand crank for manual operation (for example, for emergency operation in case of power failure).
  • this crash barrier section a plurality of aforementioned landing gear devices are provided, wherein the landing gear device is preferably arranged in a particularly regular longitudinal distance along the longitudinal extent of the guard rail section, ie in the axial direction of the landing gear device, this longitudinal distance being 4 to 10 meters, in particular substantially 3 to 5 meters.
  • the guard rail portion is a substantially U-shaped Cross-sectional shape having downwardly directed opening, wherein the landing gear device is preferably fully retractable in the formed between the U-shape legs of the guard rail portion, the guard rail portion preferably rests on retracted landing gear on laterally projecting end portions of the legs and extended in the landing gear device of the plane lifted rests on the driving element and is movable or displaceable on the driving element in the direction of travel.
  • FIGS. 5 to 11 a preferred embodiment set forth.
  • FIG. 1 shows in a schematically simplified manner a cross section through a resting on a plane 3 guard rail section 2 with a landing gear device 1 in the fully retracted state.
  • the movable by means of the landing gear device 1 or displaceable guard rail section 2 has a substantially U-shaped cross-sectional shape with two free, extending to the plane 3 guard rail legs 21, 22. At the free, to the sides towards collar-like end portions of the legs 21, 22 are Support elements 26 attached to the support of the guard rail section 2 on the ground or the level 3.
  • the cross-sectional shape of the guard rail section 2 is thus substantially hat-shaped.
  • the guard rail section 2 rests securely and stably on these support sections 26 when the landing gear device 1 as in Fig. 1 is shown retracted; the crash barrier section 2 is thus stably constructed to support its own weight and that of the retracted landing gear device 1.
  • the guard rail section 2 is particularly suitable as a guide on leading in opposite directions roadways a car highway.
  • a receptacle 24 is formed for the landing gear device 1.
  • the cross-section of the receptacle 24 essentially follows the outer cross-sectional shape of the guard rail section 2. Depending on the material, walls of the guard rail section 2 are preferably uniform and about 5 millimeters thick.
  • This receptacle 24 has a downwardly directed opening 23, wherein the legs 21, 22 in such a free or distal end region such a collar forming outwardly extending that it is a receptacle for the against the plane 3 via the opening 23 downwardly projecting support elements 26 form. This canting increases the tipping stability of the on the support elements 26 resting guard rail section 2 and is further advantageous in that the receptacle 24 is not limited in volume by the support elements 26.
  • the landing gear device 1 is housed or mounted.
  • the landing gear device 1 comprises a mounting element 12, an actuator element 14 with a guide element 140 and a chassis 16.
  • the mounting element 12 serves for fastening the landing gear device 1 on the crash barrier section 2.
  • the chassis 16 serves with its travel element 165 as a rolling support for the guard rail section 2 to be moved.
  • the actuator element 14 with the guide element 140 is used for extending or retracting the driving element 165 from the receptacle 24 of the guard rail section 2.
  • the guide element 140 performs the vertical extension and retraction movement of the chassis 16 with respect to the mounting member 12 in the vertical direction of movement B.
  • the landing gear device 1 retracted , so it depends in the receptacle 24 on the mounting member 12; if it is extended, it raises from level 3 against an upper end (the bottom of the U-shape) of the guard rail section 2 and lifts the latter up.
  • the receptacle 24 is substantially filled by the retracted suspension device 1.
  • the mounting member 12 includes a mounting plate 120, which contacts the bottom portion of the U-shape of the guard rail portion 2.
  • the mounting plate 120 is fixedly mounted on the guard rail section 2.
  • the actuator element 14 With the guide member 140 down (see Fig. 1 ).
  • the guide member 140 internally provides a cavity 145 suitable for mounting actuators (in Figs Fig. 1 not shown) for moving the chassis 16 record.
  • These actuators may be fluid actuated cylinders, transmissions, or rack and pinion gears with cranks or other actuators.
  • FIG. 2 shows a simplified longitudinal section in the axial direction A by the landing gear device 1 in the state according to Fig. 1 , In the upper area, the mounting plate 120 of the mounting member 12 can be seen.
  • the actuator element 14 extends in the vertical direction B with the centrally with respect to the mounting plate 120 mounted guide member 140 and interior 145 vertically downwards.
  • the guide element 140 extends into a central receiving element 174 of the chassis 16 in the axis direction.
  • the receiving element 174 has a box-shaped recess into which the guide element 140 engages vertically movable and telescopically under lateral guide contact. When retracted, the guide element 140 engages in depth to a bottom of the receiving element 174th
  • a base element 160 adjoins the receiving element 174 along the axis direction A.
  • the receiving element 174 and the base member 160 are firmly connected.
  • From this plate-shaped configured base member 160 extending in the vertical direction of movement B down plate-shaped stop members 169.
  • the base member 160 and the stop members 169 also have a U-shaped cross-sectional shape with an opening facing down.
  • the pivot axis S is arranged between the plate-shaped in the axial direction A along the base member 160 extending stop members 169.
  • the pivot axis S is fixed to the base member 160. At this pivot axis S two downwardly in the vertical direction B projecting pivot arms 161, 162 are pivoted.
  • the flat, one-piece and rigidly shaped pivot arms 161, 162 extend at an angle to the vertical direction B down, with the rollers 166 are acheachst in their end regions.
  • the rollers 166 project beyond the pivot arms 161, 162 along the longitudinal extent of the arms 161, 162 and transversely thereto.
  • Fig. 2 are below the plate-shaped stops 169, the first guide arms 161 recognizable.
  • a first roller axle 167 is guided.
  • three guide arms 161 forming a subgroup are arranged equidistantly on one side of the receiving element 174 with respect to the axial direction A.
  • the rollers 166 are arranged on the first roller axle 167.
  • FIG. 1 recognizable that the first roller axis 167 on the right side of Fig. 1 and the second roller axle 168 right in FIG Fig. 1 and are mounted in the vertical direction B at the same height.
  • the second guide arms 162 also have two subgroups with two intermediate rollers 166. Furthermore, it is off Fig. 1 it can be seen that the landing gear device 1 does not touch the plane 3 in the retracted state.
  • rollers 166 adjoining one another in the direction of travel F of the driving element 165 extend essentially over the clear width of the receptacle 24 from the first leg 21 to the second leg 22 of the guard rail section 2, wherein the guide arms 161 attached to the pivot axis S , 162 at an acute angle of about 25 degrees to the vertical direction B and thus at about 50 degrees to each other down.
  • FIG. 3 also shows in a schematic way a cross section through the guard rail section 2 with the landing gear device 1 according to Figure 1.
  • Figure 4 shows, similar to Fig. 2 , A correspondingly simplified longitudinal section through the device according to Fig. 3 , In the illustration according to Fig. 3 the chassis 16 is extended downwards raising the guard rail section 2 with respect to the plane 3. Hereby, the distance between the mounting plate 120 and the chassis 16 and the distance between the first and the second roller axle 167, 168 are increased.
  • the guide element 140 is partially extended from the depth of the receptacle of the receiving element 174, but still engages in this recording under lateral guide contact.
  • the guide element 140 and the receiving element 174 are thus telescopically displaceable to each other.
  • a height of the landing gear device 1 in the vertical direction or movement direction B with respect to the arrangement of Fig. 1 is enlarged.
  • FIG. 4 shows in a simplified manner, as the actuator element 140 is partially extended from the receiving element 174, so that a vertical height of the landing gear device 1 is increased.
  • the guide arms 161, 162 each have an approximately centrally mounted recess 164 on their side faces directed upwards against the mounting element 12.
  • the stop elements 169 engage in pivoting the arms 161, 162 in the end position in these edge-side recesses 164 to stop the guide arms 161, 162 a.
  • a stop plate 176 lying at an angle to the longitudinal extent in the axial direction A is firmly attached to the respective first and second guide arms 161, 162 such that the stop elements 169 extend continuously on a surface abut the stop plates 176 and so limit the guide arms 161, 162 in their pivotal movement along the direction of travel F in the end position.
  • the recess 164 and the stop plates 176 thus define the end position of the guide arms 161, 162 and the driving element 165, respectively.
  • the pivotal movement of the guide arms 161, 162 from the end position back to the starting position is also limited by the stop plates 176, which extend between the first and second guide arms 161, 162 against each other, such that the stop plate 176 of the first guide arms 161 forms a stop for the second guide arms 162 and vice versa.
  • the guide rollers 170 leading along inner sides of the legs 21, 22 can be seen. These guide rollers 170 protrude laterally over the rollers 166 and contact if necessary, the recording 24 limiting surfaces of the legs 21, 22 for low-friction and targeted guidance in the direction of movement B.
  • the guide rollers 170 are on the stop plates 176 via a center bez. the longitudinal extension of the stop plates 176 arranged suspension 171 attached.
  • the stop plates 176 extend laterally beyond the guide arms 161, 162 to the outside and form a projection, each of two stop rollers 176 mounted on each stop plate 176 at the same vertical height.
  • the guide rollers 170 are provided between the triads of guide arms 161 and 162, spaced apart in the axis direction A, with rollers 166 interposed therebetween (see, in particular, FIGS Fig. 5 ).
  • FIG. 5 shows a preferred Ausuhrungsform the landing gear device 1 in a side view.
  • the mounting plate 120 which covers the device 1 from above and projects beyond in the axial direction A.
  • the box-shaped guide member 140 protrudes vertically downwards.
  • the guide member 140 is fixedly secured to the mounting plate 120.
  • the plate-shaped base member 160 extends on both sides of the guide member 140 in the axial direction A.
  • the receiving element 174 is mounted, which surrounds the box-shaped corresponding to the guide member 140 latter. How out Fig. 5 can be seen, the guide member 140 projects beyond the base plate 160 upwards and downwards.
  • the protrusion of the exception member 174 substantially bridges the vertical distance between the base member 160 and the mounting plate 120 when the landing gear apparatus 1 is in the fully retracted condition as in FIG Fig. 5 located.
  • the guide member 140 is hereby mounted centrally with respect to the axis direction A between the mounting plate 120 and the chassis 16, so that in the axial direction before and There is also space behind the guide element 140 for an actuating element mounted between the chassis 16 and the mounting plate 120.
  • Fig. 5 It can also be seen that in the axial direction A, in the space to the left and to the right of the receiving element 174, two air bellows 141, 142 shown folded together extend between the base element 160 and the mounting plate 120. These air bellows 141, 142 serve as actuating means for actuating the extension and retraction movement of the chassis 16.
  • the air bellows 141, 142 are connected via pressure lines 144 (see FIG. Fig. 5 and 11 ).
  • the stop element 169 extends laterally downwards in each case.
  • the base member 160 and the stopper members 169 are provided as a one-piece component.
  • This component then has a U-shaped, downwardly open cross-sectional shape (see Fig. 6 ).
  • the pivot axis S received between the stop elements 169 is fastened to the front side in suspensions 172, on which the guide arms 161 are pivoted between the starting position and the end position.
  • the rollers 166 are mounted between the downwardly extending guide arms 161, the rollers 166 are mounted. The continuous first roller axis 167 can be seen.
  • FIG. 6 shows in a front view of the embodiment of the chassis device 1 according to Fig. 5 ,
  • the mounting plate 120 can be seen, under which the air bellows 141 extends down to the base member 160.
  • the pivot axis S is fixed in the bearing 172 on the base element 160.
  • the first and second guide arms 161, 162 which are oriented on the pivot axis S, extend at an angle downwards, the rollers 166 being in their end areas.
  • the stop plates 176 can be seen, which extend below the recess 164 transversely to the longitudinal extension of the guide arms 161, 162.
  • FIG. 7 is the embodiment of the suspension device 1 according to Fig. 5 shown from below.
  • the first and second roller axes 167, 168 which are spaced apart in the direction of travel F, can be seen, on which the rollers 166 are mounted.
  • the first and the second Guide arms 161, 162 offset from one another.
  • the rollers 166 disposed on the first roller shaft 167 are offset from the rollers 166 disposed on the second roller axle 168.
  • FIG. 7 further shows that the guide rollers 170 are provided laterally for guiding the landing gear device 1 in the receptacle 24 of the guard rail section 2. These guide rollers are attached via a bearing 171 to the stop plates 176 and additionally also to the inner guide arms 161 and 162.
  • FIG. 8 shows the embodiment of the chassis device 1 according to Fig. 5 in fully extended condition.
  • the air bellows 141, 142 are inflated and thus actuated. This causes a distance between the mounting plate 120 and the base member 160 to be increased.
  • the guide element 140 which is welded to the mounting plate 120, is telescopically extended from the receiving element 174. By this construction, an optimal guidance of the movement of the chassis 16 is made possible.
  • the stop elements 169 abut the stop plates 176.
  • the stop members 169 abut against the guide arms 161, 162.
  • FIG. 9 is a frontal view of the embodiment in the position after Fig. 8 shows recognizable.
  • the stop elements 169 engage in the recesses 164 of the guide arms 161, 162.
  • FIGS. 10 and 11 show further perspective views of the chassis device 1 according Fig. 8 , LIST OF REFERENCE NUMBERS 1 suspension device 169 stop element 170 leadership 12 mounting element 171 Suspension of 169 120 mounting plate 172 Storage of S. 122 mounting holes 173 stop plate 174 Receptacle for 140 14 actuator 176 stop plate 140 guide element 141.142 bellows 2 guardrail section 144 Pressure line, Zuleitun g 21.22 leg 145 cavity 23 opening 24 admission 16 chassis 26 bearing section 160 base element 161 first guide arm 3 travel plane 162 second guide arm 164 recess A horizontal axis direction 165 driving element B vertical direction of movement 166 role F horizontal direction of travel 167 first roll axis S horizontal swivel axis 168 second roller axis

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

Claims (15)

  1. Dispositif de roulement (1) pour un système de guidage, en particulier le long d'une voie de circulation, comprenant
    un élément de montage (12) pour le montage du dispositif de roulement (1) sur une section de glissière de sécurité (2) du système de guidage,
    un châssis (16) pour le déplacement de la section de glissière de sécurité (2) sur un plan de déplacement (3) s'étendant sensiblement horizontalement au moyen du dispositif de roulement (1) monté sur la section d'une glissière de sécurité (2) au moyen de l'élément de montage (12),
    un élément d'actionneur (14), au moyen duquel le châssis (16) est rétractable et abaissable entre une position de repos et une position de déplacement, où
    le châssis (16) dispose d'au moins un élément de déplacement (165), lequel élément de déplacement (165) est dépliable sensiblement en parallèle au plan de déplacement (3) lors de l'abaissement du châssis (16) depuis la position de repos vers la position de déplacement, caractérisé en ce que
    l'élément de déplacement (165) est dépliable le long d'une direction de déplacement (F) par rapport à un plan perpendiculaire au plan de déplacement (3), le long de laquelle l'élément de déplacement (165) guide le dispositif de roulement (1).
  2. Dispositif de roulement (1) selon la revendication 1, où ledit mouvement de l'élément de déplacement (165) est un mouvement combiné dudit mouvement d'abaissement du châssis (16) et dudit mouvement de rétraction.
  3. Dispositif de roulement (1) selon la revendication 1 ou 2, où l'élément de déplacement (165) est mobile entre une position de départ et une position finale par un mouvement de dépliement, de sorte que lors de l'abaissement du châssis (16) depuis la position de repos vers la position de déplacement, l'élément de déplacement (165) passe depuis la position de départ vers la position finale et lors de la rétraction du châssis (16) depuis la position de déplacement vers la position de repos, l'élément de déplacement (165) passe depuis la position de finale vers la position de départ.
  4. Dispositif de roulement (1) selon la revendication 3, où l'élément de déplacement (165) dispose d'au moins deux rouleaux disposés de manière espacée en direction de déplacement (F), où cet espace est inférieur lorsque l'élément de déplacement (165) est en position de départ que lorsque l'élément de déplacement (165) est en position finale et où les rouleaux disposés de manière espacée sont préférablement disposés sur le châssis (16) à travers un axe, où cet axe est préférablement un axe commun de pivotement (S).
  5. Dispositif de roulement (1) selon une des revendications 1 à 4, où l'élément d'actionneur (14) est disposé entre l'élément de montage (12) et le châssis (16), de sorte que une direction de mouvement (B) du châssis (16) entre la position de repos et la position de déplacement est sensiblement perpendiculaire au plan de déplacement (3), où le Dispositif de roulement est adapté pour abaisser le châssis (16) en soulevant la section de glissière de sécurité (2) et pour rétracter le châssis (16) en abaissant la section de glissière de sécurité (2).
  6. Dispositif de roulement (1) selon une des revendications 1 à 5, où un élément de guidage (140) est disposé entre l'élément de montage (12) et le châssis (16) pour un guidage du mouvement d'abaissement et de rétraction du châssis (16) effectué par actionneur en direction de mouvement (B), où cet élément de guidage (140) est préférablement un élément de guidage télescopique.
  7. Dispositif de roulement (1) selon la revendication 4 à 6, où le châssis (16) comprend un élément de base (160), un premier bras de guidage (161) pivotable entre la position de départ et la position finale et un deuxième bras de guidage (162) pivotable entre la position de départ et la position finale, où le premier et deuxième bras de guidage (161, 162) sont montés respectivement sur un axe de manière pivotable sur un élément de base (160) de sorte que le premier bras de guidage (161) est pivotable depuis une position de départ vers une position finale en direction de déplacement (F) et le deuxième bras de guidage (162) est pivotable depuis la position de départ vers la position finale en contre de la direction de déplacement (F), où les rouleaux (166) sont disposés sur un axe pour un contact de roulement avec le plan de déplacement (3) sur les sections libres terminales du premier et deuxième bras de guidage (161, 162).
  8. Dispositif de roulement (1) selon la revendication 7, où le dispositif de roulement (1) comprend d'avantage un élément de butée (169) pour la butée du premier et deuxième bras de guidage (161, 162) pivotés dans leur position finale, où l'élément de butée (169) est disposé préférablement de manière fixe sur le châssis (16), en particulier sur l'élément de base (160) et le cas échéant les bras de guidage (161, 162) sont préférablement fixés par un axe sur le même axe de pivotement (163) sur l'élément de base (160).
  9. Dispositif de roulement (1) selon la revendication 7 ou 8, où une pluralité de premiers et deuxièmes bras de guidage (161, 162) sont disposés dans l'élément de base (160) en direction d'axe (A) de l'axe de pivotement (163), où préférablement les rouleaux (166) des premiers bras de guidage (161) sont montés à travers un premier axe de rouleaux (167) continu et commun, et les rouleaux (166) des deuxièmes bras de guidage (162) sont montés à travers un deuxième axe de rouleaux (168) continu et commun, où ces axes de rouleaux (167, 168) s'étendent en direction d'axe (A) et où préférablement chaque rouleau (166) est saisi des deux côtés en direction d'axe (A) dans respectivement un bras de guidage (161, 162).
  10. Dispositif de roulement (1) selon la revendication 9, où les premiers bras de guidage (161) sont respectivement décalés en direction d'axe (A) par rapport au deuxième bras de guidage (162).
  11. Dispositif de roulement (1) selon une des revendications 1 à 10, où le dispositif de roulement (1) comprend d'avantage des rouleaux de guidage (170) pour un guidage latéral du mouvement d'abaissement et de rétraction au niveau de la section de glissière de sécurité (2).
  12. Dispositif de roulement (1) selon une des revendications 1 à 11, où l'élément d'actionneur (14) est actionnable de manière électrique ou fluidique, où l'élément d'actionneur (14) comprend préférablement au moins un manchon pneumatique (141, 142), préférablement deux manchons pneumatiques (141, 142) et/ou où l'élément d'actionneur (14) est une transmission, en particulier une transmission à crémaillère, et comprend une manivelle, en particulier pour l'actionnement manuel.
  13. Une section de glissière de sécurité (2) ayant au moins un dispositif de roulement (1) selon une des revendications 1 à 12.
  14. Une section de glissière de sécurité (2) selon la revendication 13 ayant une pluralité de dispositifs de roulement (1), où le dispositif de roulement (1) est préférablement disposé en particulier dans un espace régulier le long de l'étendue longitudinale de la section de glissière de sécurité (2) en direction de l'axe (A), où cet espace longitudinal est de 4 à 10 m, en particulier sensiblement 3 à 5 m.
  15. Section de glissière de sécurité (2) selon la revendication 13 ou 14, où la section de glissière de sécurité (2) présent une forme en coupe transversal sensiblement en forme de U avec une ouverture orientée vers le bas (23), où le dispositif de roulement (1) est préférablement entièrement rétractable dans une réception (24) entre les cuisses (21, 22) formant la forme en U de la section de glissière de sécurité (2), où la section de glissière de sécurité (2) repose sur les sections terminales de cuisse (21, 22) lorsque le dispositif de roulement (1) est rétracté et lorsque le Dispositif de roulement est abaissé repose sur l'élément de déplacement (165) de manière surélevé par rapport au plan de déplacement (3) et est déplaçable sur l'élément de déplacement (165) en direction de déplacement (F).
EP13161348.1A 2013-03-27 2013-03-27 Dispositif de roulement pour systèmes de glissière de sécurité Active EP2784221B1 (fr)

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Cited By (1)

* Cited by examiner, † Cited by third party
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CN110374031A (zh) * 2019-07-19 2019-10-25 河南工程学院 公路桥潮汐车道的变换装置及方法

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Publication number Priority date Publication date Assignee Title
WO2017118475A1 (fr) 2016-01-05 2017-07-13 Wenger, Projekte Und Coaching Segment de barrière de sécurité déplaçable
CN112030833A (zh) * 2020-08-29 2020-12-04 河南交院工程技术有限公司 一种高速公路飞机跑道混凝土活动护栏
KR102592966B1 (ko) * 2023-03-29 2023-10-23 주식회사 태경씨앤씨 가드레일 이동형 제초장치 및 이를 포함하는 가드레일 이동형 제초 시스템

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DE9308265U1 (de) * 1993-06-02 1993-07-22 SPS Schutzplanken GmbH, 8750 Aschaffenburg Fahrwerk für eine Schutzeinrichtung von Verkehrswegen
FR2741093B1 (fr) * 1995-11-14 1998-02-06 Studia Separateur continu mobile
FR2795106B1 (fr) 1999-06-18 2001-09-07 Colas Sa Dispositif d'interruption de terre-plein central
DE102007027453B4 (de) * 2007-06-11 2013-11-07 Saferoad RRS GmbH Leiteinrichtung an Verkehrswegen und Adaptereinheit dafür
DE102008016837B4 (de) 2008-04-01 2016-02-18 Heintzmann Sicherheitssysteme Gmbh & Co. Kg Leiteinrichtung an Verkehrswegen mit einer horizontal schwenkbaren Leitschwelle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374031A (zh) * 2019-07-19 2019-10-25 河南工程学院 公路桥潮汐车道的变换装置及方法

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