EP4334533A1 - Rail for automatic barrier - Google Patents

Rail for automatic barrier

Info

Publication number
EP4334533A1
EP4334533A1 EP22724816.8A EP22724816A EP4334533A1 EP 4334533 A1 EP4334533 A1 EP 4334533A1 EP 22724816 A EP22724816 A EP 22724816A EP 4334533 A1 EP4334533 A1 EP 4334533A1
Authority
EP
European Patent Office
Prior art keywords
smooth
blade
blades
heddle
adjacent
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.)
Pending
Application number
EP22724816.8A
Other languages
German (de)
French (fr)
Inventor
Grégoire HARHOURA
Marie BELAVAL
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.)
BA Developpement SARL
Original Assignee
BA Developpement SARL
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 BA Developpement SARL filed Critical BA Developpement SARL
Publication of EP4334533A1 publication Critical patent/EP4334533A1/en
Pending legal-status Critical Current

Links

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
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
    • E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates

Definitions

  • the present invention relates to the field of automatic barriers for controlling vehicle traffic, in particular on traffic lanes or sites with controlled access such as car parks, private places, motorway lanes, official buildings, priority traffic lanes, etc.
  • the present invention relates in particular to a rail for an automatic barrier as well as to the automatic barrier comprising said rail.
  • Barrier beams are subject to many requirements. They must be light to limit the efforts of the drive motor. They must be resistant to shocks, in particular to shocks from vehicles hitting the arm, without causing the windshield to break. Carbon runners are already known, they are light and resistant, however these runners are very rigid and therefore brittle.
  • the present invention proposes a smooth for an automatic barrier with a view to controlling the circulation of vehicles, in particular on traffic lanes or sites with controlled access, the smooth comprising a plurality of substantially planar blades, maintained spaced apart, substantially facing each other and each extending in a respective extension plane, the extension planes being substantially parallel to each other, the blades being configured so as to allow elastic deformation of the heddle in a perpendicular plane to the extension planes, between a closed position in which the rail prohibits traffic and a deformed position in which at least a portion of the rail is oblique with respect to the direction of traffic, and in particular in which the at least a portion of the rail is perpendicular to the direction of traffic.
  • the arm has elastic properties allowing it to absorb the mechanical energy received during an impact, in particular with a moving vehicle.
  • the ability of the boom to bend also prevents the whip effect, i.e. the return movement of the boom when it returns to its initial position.
  • the configuration of the slats gives the stringer a capacity for elastic deformation which allows it, under the action of a force exerted against the stringer, in particular in a direction transverse to the extension planes of the slats, to reach a curvature of at least 90°, for example approximately 180°, or even an S-shaped curvature, to avoid breakage, then to return to the closed position.
  • the arm thus configured is elastically deformable in a horizontal plane while remaining sufficiently rigid in a vertical plane so as to limit oscillations in this plane when opening and closing the rail.
  • the heddle comprises a spacer system, configured to fix all the adjacent slats of the plurality of slats two by two, keeping them spaced apart and substantially opposite each other.
  • the spacer system comprises at least one spacer, extending longitudinally between two adjacent blades, in particular the at least one spacer extends over at least 50% of the length of the rail.
  • the at least one spacer extends over at least 70% of the length of the stringer.
  • the at least one spacer comprises an elastomeric material.
  • the spacer system comprises spacers interposed between the adjacent slats and spaced apart along the rail.
  • the spacers are for example made of a rigid material, by silent blocks, etc...
  • the at least one spacer comprises at least a first support surface in support with a blade, and a second opposite support surface, in support with an adjacent blade, the first support surface being configured to generating at least one convex curvature to the blade resting on the first surface.
  • the blade portion resting between two first surfaces has two convex curvatures. This generates a concave inflection point in the blade. This configuration facilitates the elastic deformation of the beam in a plane perpendicular to the extension planes.
  • the first bearing surface has a concave curvature.
  • the first support surface comprises two opposite end regions, each extending in a plane transverse to the extension planes, oriented towards the second support surface. This configuration makes it possible to generate at least one convex curvature in the bearing blade.
  • the second support surface is configured to generate at least one convex curvature to the adjacent blade resting on the second surface.
  • the two adjacent slats have a symmetrically convex curvature at the bearing surfaces and a concave point of inflection between the two convex curvatures.
  • the plurality of slats consists solely of a central slat, a first lateral slat and a second lateral slat, adjacent to the central slat, the smooth comprising at least two spacers on either side. other of the central blade.
  • this variant of the heddle of the invention comprises one or more of the following optional characteristics considered alone or in combination:
  • the central blade has a greater height than those of the first side blade and of the second side blade.
  • the central blade has a greater length than those of the first side blade and of the second side blade.
  • the central blade has a greater thickness than those of the first side blade and of the second side blade.
  • the at least two spacers have the first support surface resting respectively on the first side blade and on the second side blade, and configured to generate at least one convex curvature to the first side blade and to the second side blade.
  • the heddle comprises at least one inflection piece configured to generate an inflection point of concave shape to at least one blade, independently of the conformation of the spacers.
  • the at least one inflection piece is for example placed in abutment against said blade, so as to be spaced from the at least one spacer, so as to apply a stress generating a concave bending of said blade.
  • the at least one inflection piece is for example arranged on two adjacent blades, spaced apart from the at least one spacer, so as to generate a support on the two adjacent blades forcing them to a concave bending.
  • the heddle comprises a tightening element configured to tighten the plurality of slats in a free end region of the slats, so as to reduce their stiffness.
  • the expression 'free end region of the slats' means an end region opposite an end portion of the slats, the said end portion being intended to be fixed to the support device of the automatic barrier.
  • the plurality of blades of the heald comprises a fibrous material, comprising in particular glass fibers, carbon fibers, aramid fibers, for example glass fibers in a resin matrix or poly(p - phenyleneterephthalamide) otherwise known by the Anglo-Saxon acronym PPD-T or the name Kevlar®.
  • the invention proposes an automatic barrier for controlling vehicle traffic, in particular on traffic lanes or sites with controlled access, the automatic barrier comprising:
  • a support device configured to fix the automatic barrier to the ground
  • - a smooth as previously described, the smooth being movably mounted on the support device between a closed position in which the smooth prevents access and an open position in which the smooth allows access, -
  • An actuation system configured to actuate the movement of the rail between its closed position and its open position.
  • the actuation system comprises a re-tensioning device allowing the re-tensioning of the arm after an impact.
  • the automatic barrier is fitted with a flexible arm, absorbing shocks and which can be automatically returned to the closed position, when a vehicle has struck it and unhinged it.
  • FIG. 1 illustrates a schematic perspective view of an automatic barrier comprising the arm according to one embodiment of the present invention.
  • FIG. 2 illustrates a schematic perspective view of the heddle in the deformed position according to the embodiment illustrated in Figure 1.
  • FIG. 3 illustrates a top view of the heddle according to the second embodiment of the invention.
  • FIG. 4 illustrates a schematic perspective view of the heddle according to an alternative embodiment of the invention.
  • the automatic barrier 100 comprises a support device 1 configured to fix the barrier 100 to the ground and a smooth 200 according to the invention, movably mounted on the support device 1 between a closed position in which the smooth 200 prohibits traffic (the rail 200 extends substantially horizontally when the barrier is mounted on horizontal ground) and an open position in which the rail 200 allows traffic (not shown, the rail 200 extends substantially vertical when the barrier is mounted on horizontal ground).
  • the automatic barrier 100 further comprises an actuation system 2 configured to actuate the movement of the arm 200 between its two positions, via a connecting portion 3 connecting the arm 200 to the actuation system 2.
  • the barrier 100 further comprises a re-hinging device allowing the heddle 200 to be returned to the closed position.
  • the smooth 200 comprises two substantially planar blades 4, held spaced apart and substantially facing each other by a spacer system.
  • the spacer system is composed of several spacers 5 spaced along the rail 200. More precisely, the spacers 5 are inserted between the two adjacent blades 4 by fixing them each in a plane respective extension plane and parallel to each other (the extension plane is a substantially vertical plane when the barrier is mounted on horizontal ground).
  • This configuration of the blades 4 confers flexibility on the smooth 200 which can thus deform elastically in a plane perpendicular to the extension planes of the blades 4. As illustrated in FIG.
  • the rail 200 passes into a deformed position D in which a portion of the rail 200 is oblique with respect to the direction of traffic X.
  • the rail 200 can deform up to form a deformation angle reaching 90° and thus prevent it from breaking.
  • the blades 4 of heddle 200 are moreover made of a material comprising glass fibers in a resin matrix, so as to confer lightness and flexibility on the heddle.
  • each of the spacers 5 comprises at least a first support surface 6 in support with one of the two blades 4 and a second support surface 7 in support with the other of the two blades 4.
  • At least the first bearing surface 6 is configured (by a slight concave curvature) to generate a slight convex curvature to said blade 4 in support.
  • each blade portion 4 arranged between two spacers 5 takes a slight concave inflection between the spacers 5.
  • the second support surface 7 also has a slight concave curvature, the curvature is transferred to the two blades 4 of the heddle 200 in support .
  • FIG 3 illustrates an enlargement of a heald 200 configured according to a second embodiment of the invention.
  • the heddle 200 comprises three blades 4 instead of two.
  • smooth 200 consists of a central blade 8 surrounded by a first side blade 9 and a second side blade 11. These three blades 4 are substantially flat and held facing each other in pairs. They are fixed in pairs of adjacent blades 4, according to the same configuration as that having two blades 4.
  • the three blades 4 extend in three distinct extension planes, parallel to each other.
  • the spacer system comprises spacers 5 spaced apart along the rail 200.
  • the spacers 5 are also joined in pairs, extending on either side of the central strip 8 and respectively between the first side strip 9 and the second side blade 11, which makes it possible to confer the desired flexibility on the smooth 200.
  • the spacers 5 have a first support surface 6 against the first side blade 9 or the second side blade 11, configured to generate a slight convex curvature to the blade 9.11 in support.
  • the first support surface 6 imparts a slight convex curvature thanks to a slightly concave surface.
  • the second support surface 7 of the spacers rests on the central blade 8 intended to remain flat, the second support surface 7 is devoid of any means for bending the blade 8.
  • An alternative embodiment of the spacer system is illustrated in Figure 4.
  • This spacer system comprises a spacer 5 of elastomeric material, extending longitudinally between the two adjacent blades 4, over the entire length of the blades 4. According to another possibility not illustrated, the spacer 5 extends over at least 50% of the length of the blades 4.
  • the heddle 200 comprises a plurality of substantially planar blades 4, kept spaced apart, substantially opposite each other and each extending in a respective extension plane, the planes being parallel to each other.
  • the smooth according to the invention comprises light and flexible blades, conferring significant flexibility on the smooth in a plane perpendicular to the planes of extension of the blades, while remaining very rigid in the plane of extension, so as to avoid oscillations when opening/closing the beam.
  • This ability to elastically deform in a plane can be enhanced by spacers or other inflection pieces complementary to the spacers, configured to introduce concave inflection points on the blades.
  • the smooth thus obtained can be deformed according to an angle of 90° and then return to the initial closed position without damaging the slats.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Catching Or Destruction (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The invention relates to a rail (200) for an automatic barrier (100) for controlling vehicular traffic, in particular on traffic lanes or sites with controlled access, the rail (200) comprising a plurality of substantially planar slats (4) which are held spaced apart, substantially face one another and each extend in a respective plane of extension, the planes of extension being parallel to one another, the slats (4) being configured so as to allow elastic deformation of the rail (200) in a plane perpendicular to the planes of extension between a closed position in which the rail (200) prohibits traffic and a deformed position (D) in which at least a portion of the rail (200) is oblique with respect to the direction of traffic.

Description

DESCRIPTION DESCRIPTION
TITRE : Lisse pour barrière automatique TITLE: Smooth for automatic barrier
La présente invention concerne le domaine des barrières automatiques pour le contrôle de la circulation de véhicules, notamment sur des voies de circulation ou des sites à accès contrôlés tel que des parkings, des lieux privés, des voies d’autoroute, des bâtiments officiels, des voies de circulation prioritaires, etc... La présente invention porte notamment sur une lisse pour barrière automatique ainsi que sur la barrière automatique comprenant la dite lisse. The present invention relates to the field of automatic barriers for controlling vehicle traffic, in particular on traffic lanes or sites with controlled access such as car parks, private places, motorway lanes, official buildings, priority traffic lanes, etc. The present invention relates in particular to a rail for an automatic barrier as well as to the automatic barrier comprising said rail.
Les lisses pour barrière sont soumises à de nombreuses exigences. Elles doivent être légères pour limiter les efforts du moteur d’entrainement. Il est nécessaire qu’elles soient résistantes aux chocs, notamment aux chocs de véhicules heurtant la lisse, sans pour autant générer le bris du pare-brise. Des lisses en carbone sont déjà connues, elles sont légères et résistantes, toutefois ces lisses sont très rigides et donc cassantes. Barrier beams are subject to many requirements. They must be light to limit the efforts of the drive motor. They must be resistant to shocks, in particular to shocks from vehicles hitting the arm, without causing the windshield to break. Carbon runners are already known, they are light and resistant, however these runners are very rigid and therefore brittle.
Un des buts de la présente invention consiste à pallier au moins l’un de ces inconvénients. A cet effet, la présente invention propose une lisse pour barrière automatique en vue du contrôle de la circulation de véhicules, notamment sur des voies de circulation ou des sites à accès contrôlés, la lisse comprenant une pluralité de lames sensiblement planes, maintenues espacées, sensiblement en regard les unes des autres et s’étendant chacune dans un plan d’extension respectif, les plans d’extension étant sensiblement parallèles les uns aux autres, les lames étant configurées de sorte à permettre une déformation élastique de la lisse dans un plan perpendiculaire aux plans d’extension, entre une position de fermeture dans laquelle la lisse interdit la circulation et une position déformée dans laquelle au moins une portion de la lisse est oblique par rapport à la direction de la circulation, et notamment dans laquelle l’au moins une portion de la lisse est perpendiculaire à la direction de la circulation. One of the aims of the present invention consists in overcoming at least one of these drawbacks. To this end, the present invention proposes a smooth for an automatic barrier with a view to controlling the circulation of vehicles, in particular on traffic lanes or sites with controlled access, the smooth comprising a plurality of substantially planar blades, maintained spaced apart, substantially facing each other and each extending in a respective extension plane, the extension planes being substantially parallel to each other, the blades being configured so as to allow elastic deformation of the heddle in a perpendicular plane to the extension planes, between a closed position in which the rail prohibits traffic and a deformed position in which at least a portion of the rail is oblique with respect to the direction of traffic, and in particular in which the at least a portion of the rail is perpendicular to the direction of traffic.
Ainsi configurée, la lisse présente des propriétés élastiques permettant d’absorber l’énergie mécanique reçue lors d’un choc, notamment avec un véhicule en mouvement. La capacité de la lisse à se courber permet également d’éviter l’effet de fouet, c’est-à-dire le mouvement retour de la lisse lorsque celle-ci revient en position initiale. Thus configured, the arm has elastic properties allowing it to absorb the mechanical energy received during an impact, in particular with a moving vehicle. The ability of the boom to bend also prevents the whip effect, i.e. the return movement of the boom when it returns to its initial position.
La configuration des lames confère à la lisse une capacité de déformation élastique qui lui permet, sous l’action d’une force exercée contre la lisse, notamment dans une direction transversale aux plans d’extension des lames, d’atteindre une courbure d’au moins 90°, par exemple environ 180°, voire une courbure en forme de S, d’éviter la casse, puis de revenir en position de fermeture. The configuration of the slats gives the stringer a capacity for elastic deformation which allows it, under the action of a force exerted against the stringer, in particular in a direction transverse to the extension planes of the slats, to reach a curvature of at least 90°, for example approximately 180°, or even an S-shaped curvature, to avoid breakage, then to return to the closed position.
Concrètement, lorsque la barrière automatique à laquelle la lisse est destinée, est montée sur une surface sensiblement horizontale, la lisse ainsi configurée est élastiquement déformable dans un plan horizontal tout en restant suffisamment rigide dans un plan vertical de sorte à limiter les oscillations dans ce plan lors de l’ouverture et de la fermeture de la lisse. In concrete terms, when the automatic barrier for which the arm is intended is mounted on a substantially horizontal surface, the arm thus configured is elastically deformable in a horizontal plane while remaining sufficiently rigid in a vertical plane so as to limit oscillations in this plane when opening and closing the rail.
Selon une disposition, la lisse comprend un système d’entretoisage, configuré pour fixer deux à deux toutes les lames adjacentes de la pluralité de lames, en les maintenant espacées et sensiblement en regard les unes des autres. According to one arrangement, the heddle comprises a spacer system, configured to fix all the adjacent slats of the plurality of slats two by two, keeping them spaced apart and substantially opposite each other.
Par exemple, le système d’entretoisage comprend au moins une entretoise, s’étendant longitudinalement entre deux lames adjacentes, notamment l’au moins une entretoise s’étend sur au moins 50% de la longueur de la lisse. For example, the spacer system comprises at least one spacer, extending longitudinally between two adjacent blades, in particular the at least one spacer extends over at least 50% of the length of the rail.
Selon une autre possibilité, l’au moins une entretoise s’étend sur au moins 70% de la longueur de la lisse. According to another possibility, the at least one spacer extends over at least 70% of the length of the stringer.
Avantageusement l’au moins une entretoise comprend un matériau élastomère.Advantageously, the at least one spacer comprises an elastomeric material.
Selon une disposition, le système d’entretoisage comprend des entretoises intercalées entre les lames adjacentes et espacées le long de la lisse. Les entretoises sont par exemple constituées en un matériau rigide, par des silentblocs, etc... According to one arrangement, the spacer system comprises spacers interposed between the adjacent slats and spaced apart along the rail. The spacers are for example made of a rigid material, by silent blocks, etc...
Selon une possibilité, l’au moins une entretoise comprend au moins une première surface d’appui en appui avec une lame, et une deuxième surface d’appui opposée, en appui avec une lame adjacente, la première surface d’appui étant configurée pour générer au moins une courbure convexe à la lame en appui sur la première surface. According to one possibility, the at least one spacer comprises at least a first support surface in support with a blade, and a second opposite support surface, in support with an adjacent blade, the first support surface being configured to generating at least one convex curvature to the blade resting on the first surface.
Ainsi, lorsque que la lisse comprend au moins deux entretoises intercalées entre deux lames adjacentes, la portion de lame en appui entre deux premières surfaces présente deux courbures convexes. Ceci génère un point d’inflexion concave dans la lame. Cette configuration facilite la déformation élastique de la lisse dans un plan perpendiculaire aux plans d’extension. Thus, when the heddle comprises at least two spacers interposed between two adjacent blades, the blade portion resting between two first surfaces has two convex curvatures. This generates a concave inflection point in the blade. This configuration facilitates the elastic deformation of the beam in a plane perpendicular to the extension planes.
Selon une possibilité, la première surface d’appui présente une courbure concave.According to one possibility, the first bearing surface has a concave curvature.
Selon une autre possibilité, la première surface d’appui comprend deux régions d’extrémités opposées, s’étendant chacune dans un plan transversal aux plans d’extension, orienté vers la deuxième surface d’appui. Cette configuration permet de générer au moins une courbure convexe à la lame en appui. According to another possibility, the first support surface comprises two opposite end regions, each extending in a plane transverse to the extension planes, oriented towards the second support surface. This configuration makes it possible to generate at least one convex curvature in the bearing blade.
Selon une disposition, la deuxième surface d’appui est configurée pour générer au moins une courbure convexe à la lame adjacente en appui sur la deuxième surface. Ainsi lorsque la lisse comprend uniquement deux lames, les deux lames adjacentes présentent symétriquement une courbure convexe au niveau des surfaces d’appui et un point d’inflexion concave entre les deux courbures convexes. According to one arrangement, the second support surface is configured to generate at least one convex curvature to the adjacent blade resting on the second surface. Thus, when the heddle comprises only two slats, the two adjacent slats have a symmetrically convex curvature at the bearing surfaces and a concave point of inflection between the two convex curvatures.
Selon une variante de réalisation, la pluralité de lames est constituée uniquement d’une lame centrale, d’une première lame latérale et d’une deuxième lame latérale, adjacentes à la lame centrale, la lisse comprenant au moins deux entretoises de part et d’autre de la lame centrale. Selon d’autres caractéristiques, cette variante de la lisse de l’invention comporte une ou plusieurs des caractéristiques optionnelles suivantes considérées seules ou en combinaison : According to a variant embodiment, the plurality of slats consists solely of a central slat, a first lateral slat and a second lateral slat, adjacent to the central slat, the smooth comprising at least two spacers on either side. other of the central blade. According to other characteristics, this variant of the heddle of the invention comprises one or more of the following optional characteristics considered alone or in combination:
La lame centrale présente une hauteur plus importante que celles de la première lame latérale et de la deuxième lame latérale. The central blade has a greater height than those of the first side blade and of the second side blade.
La lame centrale présente une longueur plus importante que celles de la première lame latérale et de la deuxième lame latérale. The central blade has a greater length than those of the first side blade and of the second side blade.
La lame centrale présente une épaisseur plus importante que celles de la première lame latérale et de la deuxième lame latérale. les au moins deux entretoises présentent la première surface d’appui en appui respectivement sur la première lame latérale et sur la deuxième lame latérale, et configurée pour générer au moins une courbure convexe à la première lame latérale et à la deuxième lame latérale. The central blade has a greater thickness than those of the first side blade and of the second side blade. the at least two spacers have the first support surface resting respectively on the first side blade and on the second side blade, and configured to generate at least one convex curvature to the first side blade and to the second side blade.
Selon une autre disposition, la lisse comprend au moins une pièce d’inflexion configurée pour générer un point d’inflexion de forme concave à au moins une lame, indépendamment de la conformation des entretoises. L’au moins une pièce d’inflexion est par exemple disposée en appui contre ladite lame, de façon espacée de l’au moins une entretoise, de sorte à appliquer une contrainte générant une flexion concave de ladite lame. According to another arrangement, the heddle comprises at least one inflection piece configured to generate an inflection point of concave shape to at least one blade, independently of the conformation of the spacers. The at least one inflection piece is for example placed in abutment against said blade, so as to be spaced from the at least one spacer, so as to apply a stress generating a concave bending of said blade.
En variante, l’au moins une pièce d’inflexion est par exemple disposée sur deux lames adjacentes, de façon espacée de l’au moins une entretoise, de sorte à générer un appui sur les deux lames adjacentes les contraignant à une flexion concave. As a variant, the at least one inflection piece is for example arranged on two adjacent blades, spaced apart from the at least one spacer, so as to generate a support on the two adjacent blades forcing them to a concave bending.
Selon une possibilité, la lisse comprend un élément de resserrement configuré pour resserrer la pluralité des lames en une région d’extrémité libre des lames, de sorte à en diminuer la raideur. Dans le présent document, par l’expression 'région d’extrémité libre des lames’ on entend une région d’extrémité opposée à une portion d’extrémité des lames, la dite portion d’extrémité étant destinée à être fixée au dispositif support de la barrière automatique. According to one possibility, the heddle comprises a tightening element configured to tighten the plurality of slats in a free end region of the slats, so as to reduce their stiffness. In this document, the expression 'free end region of the slats' means an end region opposite an end portion of the slats, the said end portion being intended to be fixed to the support device of the automatic barrier.
Selon une disposition, la pluralité de lames de la lisse comprend un matériau fibreux, comprenant notamment des fibres de verre, des fibres de carbone, des fibres d’aramide, par exemple des fibres de verre dans une matrice en résine ou du poly(p- phénylènetéréphtalamide) autrement connu sous l’acronyme anglosaxon PPD-T ou la dénomination Kevlar®. According to one arrangement, the plurality of blades of the heald comprises a fibrous material, comprising in particular glass fibers, carbon fibers, aramid fibers, for example glass fibers in a resin matrix or poly(p - phenyleneterephthalamide) otherwise known by the Anglo-Saxon acronym PPD-T or the name Kevlar®.
Selon un deuxième aspect, l’invention propose une barrière automatique pour le contrôle de la circulation de véhicules, notamment sur des voies de circulation ou des sites à accès contrôlés, la barrière automatique comprenant : According to a second aspect, the invention proposes an automatic barrier for controlling vehicle traffic, in particular on traffic lanes or sites with controlled access, the automatic barrier comprising:
- un dispositif support configuré pour fixer la barrière automatique au sol,- a support device configured to fix the automatic barrier to the ground,
- une lisse telle que précédemment décrite, la lisse étant montée mobile sur le dispositif support entre une position de fermeture dans laquelle la lisse interdit l’accès et une position d’ouverture dans laquelle la lisse autorise l’accès, - un système d’actionnement configuré pour actionner le déplacement de lisse entre sa position de fermeture et sa position d’ouverture. - a smooth as previously described, the smooth being movably mounted on the support device between a closed position in which the smooth prevents access and an open position in which the smooth allows access, - An actuation system configured to actuate the movement of the rail between its closed position and its open position.
Selon une disposition, le système d’actionnement comprend un dispositif de regondage permettant le regondage de la lisse après un choc. Dans cette configuration, la barrière automatique est dotée d’une lisse flexible, amortissant les chocs et qui peut être replacée de façon automatique en position de fermeture, lorsqu’un véhicule l’a heurtée et dégondée. According to one arrangement, the actuation system comprises a re-tensioning device allowing the re-tensioning of the arm after an impact. In this configuration, the automatic barrier is fitted with a flexible arm, absorbing shocks and which can be automatically returned to the closed position, when a vehicle has struck it and unhinged it.
D'autres aspects, buts et avantages de la présente invention apparaîtront mieux à la lecture de la description suivante des différentes variantes de réalisation de celle-ci, données à titre d'exemple non limitatif et fait en référence aux dessins annexés. Les figures ne respectent pas nécessairement l’échelle de tous les éléments représentés de sorte à améliorer leur lisibilité. Dans la suite de la description, par souci de simplification, des éléments identiques, similaires ou équivalents des différentes formes de réalisation portent les mêmes références numériques sur les figures et sur lesquelles : Other aspects, aims and advantages of the present invention will appear better on reading the following description of the various variant embodiments thereof, given by way of non-limiting example and made with reference to the appended drawings. The figures do not necessarily respect the scale of all the elements represented so as to improve their readability. In the rest of the description, for the sake of simplification, identical, similar or equivalent elements of the different embodiments bear the same numerical references in the figures and in which:
[Fig. 1] illustre une vue schématique en perspective une barrière automatique comprenant la lisse selon un mode de réalisation de la présente invention. [Fig. 1] illustrates a schematic perspective view of an automatic barrier comprising the arm according to one embodiment of the present invention.
[Fig. 2] illustre une vue schématique en perspective de la lisse en position déformée selon le mode de réalisation illustré à la figure 1. [Fig. 2] illustrates a schematic perspective view of the heddle in the deformed position according to the embodiment illustrated in Figure 1.
[Fig. 3] illustre une vue du dessus de la lisse selon deuxième mode de réalisation de l’invention. [Fig. 3] illustrates a top view of the heddle according to the second embodiment of the invention.
[Fig. 4] illustre une vue schématique en perspective de la lisse selon une variante de réalisation de l’invention. [Fig. 4] illustrates a schematic perspective view of the heddle according to an alternative embodiment of the invention.
Comme illustré à la figure 1 , la barrière automatique 100 comprend un dispositif support 1 configuré pour fixer la barrière 100 au sol et une lisse 200 selon l’invention, montée mobile sur le dispositif support 1 entre une position de fermeture dans laquelle la lisse 200 interdit la circulation (la lisse 200 s’étend sensiblement à l’horizontal lorsque la barrière est montée sur un sol horizontal) et une position d’ouverture dans laquelle la lisse 200 autorise la circulation (non illustrée, la lisse 200 s’étend sensiblement à la verticale lorsque la barrière est montée sur un sol horizontal). La barrière automatique 100 comprend en outre un système d’actionnement 2 configuré pour actionner le déplacement de la lisse 200 entre ses deux positions, par l’intermédiaire d’une portion de liaison 3 reliant la lisse 200 au système d’actionnement 2. Selon une possibilité non illustrée sur les figures, la barrière 100 comprend en outre un dispositif de regondage permettant de replacer la lisse 200 en position de fermeture. As illustrated in Figure 1, the automatic barrier 100 comprises a support device 1 configured to fix the barrier 100 to the ground and a smooth 200 according to the invention, movably mounted on the support device 1 between a closed position in which the smooth 200 prohibits traffic (the rail 200 extends substantially horizontally when the barrier is mounted on horizontal ground) and an open position in which the rail 200 allows traffic (not shown, the rail 200 extends substantially vertical when the barrier is mounted on horizontal ground). The automatic barrier 100 further comprises an actuation system 2 configured to actuate the movement of the arm 200 between its two positions, via a connecting portion 3 connecting the arm 200 to the actuation system 2. According to a possibility not shown in the figures, the barrier 100 further comprises a re-hinging device allowing the heddle 200 to be returned to the closed position.
Conformément au premier mode de réalisation illustré sur la figure 1 , la lisse 200 comprend deux lames 4 sensiblement planes, maintenues espacées et sensiblement en regard l’une en face de l’autre par un système d’entretoisage. Le système d’entretoisage est composé de plusieurs entretoises 5 espacées le long de la lisse 200. Plus précisément, les entretoises 5 sont intercalées entre les deux lames 4 adjacentes en les fixant chacune dans un plan d’extension respectif et parallèle l’un par rapport à l’autre (le plan d’extension est un plan sensiblement vertical lorsque la barrière est montée sur un sol horizontal). Cette configuration des lames 4 confère une flexibilité à la lisse 200 qui peut ainsi se déformer élastiquement dans un plan perpendiculaire aux plans d’extension des lames 4. Comme illustré sur la figure 2, lorsque la lisse 200 est heurtée par un véhicule circulant sur une voie de circulation (illustrée par l’axe X), la lisse 200 passe dans une position déformée D dans laquelle une portion de la lisse 200 est oblique par rapport à la direction de la circulation X. La lisse 200 peut se déformer jusqu’à former un angle de déformation atteignant 90° et ainsi éviter sa casse. Les lames 4 de lisse 200 sont d’ailleurs réalisées en un matériau comprenant des fibres de verre dans une matrice de résine, de sorte à conférer légèreté et souplesse à la lisse. In accordance with the first embodiment illustrated in FIG. 1, the smooth 200 comprises two substantially planar blades 4, held spaced apart and substantially facing each other by a spacer system. The spacer system is composed of several spacers 5 spaced along the rail 200. More precisely, the spacers 5 are inserted between the two adjacent blades 4 by fixing them each in a plane respective extension plane and parallel to each other (the extension plane is a substantially vertical plane when the barrier is mounted on horizontal ground). This configuration of the blades 4 confers flexibility on the smooth 200 which can thus deform elastically in a plane perpendicular to the extension planes of the blades 4. As illustrated in FIG. 2, when the smooth 200 is struck by a vehicle traveling on a traffic lane (illustrated by the axis X), the rail 200 passes into a deformed position D in which a portion of the rail 200 is oblique with respect to the direction of traffic X. The rail 200 can deform up to form a deformation angle reaching 90° and thus prevent it from breaking. The blades 4 of heddle 200 are moreover made of a material comprising glass fibers in a resin matrix, so as to confer lightness and flexibility on the heddle.
Selon une possibilité non illustrée aux figures 1 et 2, (mais visible à la figure 3) chacune des entretoises 5 comprend au moins une première surface d’appui 6 en appui avec l’une des deux lames 4 et une deuxième surface d’appui 7 en appui avec l’autre des deux lames 4. Au moins la première surface d’appui 6 est configurée (par une légère courbure concave) pour générer une légère courbure convexe à ladite lame 4 en appui. Ainsi chaque portion de lame 4 disposée entre deux entretroises 5 prend une légère inflexion concave entre les entretoises 5. Lorsque la deuxième surface d’appui 7 présente également une légère courbure concave, la courbure est transférée aux deux lames 4 de la lisse 200 en appui. According to a possibility not illustrated in Figures 1 and 2, (but visible in Figure 3) each of the spacers 5 comprises at least a first support surface 6 in support with one of the two blades 4 and a second support surface 7 in support with the other of the two blades 4. At least the first bearing surface 6 is configured (by a slight concave curvature) to generate a slight convex curvature to said blade 4 in support. Thus each blade portion 4 arranged between two spacers 5 takes a slight concave inflection between the spacers 5. When the second support surface 7 also has a slight concave curvature, the curvature is transferred to the two blades 4 of the heddle 200 in support .
La figure 3 illustre un agrandissement d’une lisse 200 configurée selon un deuxième mode de réalisation de l’invention. Dans cette variante, la lisse 200 comprend trois lames 4 au lieu de deux. En particulier la lisse 200 est constituée d’une lame centrale 8 entourée d’une première lame latérale 9 et d’une deuxième lame latérale 11. Ces trois lames 4 sont sensiblement planes et maintenues en regard deux à deux. Elles sont fixées par paire de lames 4 adjacentes, selon la même configuration que celle présentant deux lames 4. Les trois lames 4 s’étendent dans trois plans d’extension distincts, parallèles les uns aux autres. Le système d’entretoisage comprend des entretoises 5 espacées le long de la lisse 200. Les entretoises 5 sont par ailleurs réunies par paire, en s’étendant de part et d’autre de la lame centrale 8 et respectivement entre la première lame latérale 9 et la deuxième lame latérale 11 , ce qui permet de conférer la flexibiltié souhaitée à la lisse 200. Figure 3 illustrates an enlargement of a heald 200 configured according to a second embodiment of the invention. In this variant, the heddle 200 comprises three blades 4 instead of two. In particular, smooth 200 consists of a central blade 8 surrounded by a first side blade 9 and a second side blade 11. These three blades 4 are substantially flat and held facing each other in pairs. They are fixed in pairs of adjacent blades 4, according to the same configuration as that having two blades 4. The three blades 4 extend in three distinct extension planes, parallel to each other. The spacer system comprises spacers 5 spaced apart along the rail 200. The spacers 5 are also joined in pairs, extending on either side of the central strip 8 and respectively between the first side strip 9 and the second side blade 11, which makes it possible to confer the desired flexibility on the smooth 200.
Selon la possibilité illustrée sur la figure 3, les entretoises 5 présentent une première surface d’appui 6 contre la première lame latérale 9 ou la deuxième lame latérale 11 , configurée pour générer une légère courbure convexe à la lame 9,11 en appui. Comme illustré ici, la première surface d’appui 6 confère une légère courbure convexe grâce à une surface légèrement concave. According to the possibility illustrated in Figure 3, the spacers 5 have a first support surface 6 against the first side blade 9 or the second side blade 11, configured to generate a slight convex curvature to the blade 9.11 in support. As illustrated here, the first support surface 6 imparts a slight convex curvature thanks to a slightly concave surface.
La deuxième surface d’appui 7 des entretroises est en appui sur la lame centrale 8 destinée à rester plane, la deuxième surface d’appui 7 est dépourvue de tout moyen de mise en courbure de la lame 8. Une variante de réalisation du système d’entretoisage est illustré à la figure 4. Ce système d’entretoisage comprend une entretoise 5 en matériau élastomère, s’étendant longitudinalement entre les deux lames 4 adjacentes, sur la totalité de la longueur des lames 4. Selon une autre possibilité non illustrée, l’entretoise 5 s’étend sur au moins 50% de la longueur des lames 4. The second support surface 7 of the spacers rests on the central blade 8 intended to remain flat, the second support surface 7 is devoid of any means for bending the blade 8. An alternative embodiment of the spacer system is illustrated in Figure 4. This spacer system comprises a spacer 5 of elastomeric material, extending longitudinally between the two adjacent blades 4, over the entire length of the blades 4. According to another possibility not illustrated, the spacer 5 extends over at least 50% of the length of the blades 4.
Selon une disposition non illustrée, la lisse 200 comprend une pluralité de lames 4 sensiblement planes, maintenues espacées, sensiblement en regard les unes des autres et s’étendant chacune dans un plan d’extension respectif, les plans étant parallèles les uns aux autres. Ainsi la lisse selon l’invention comprend des lames légères et souples, conférant une importante flexibilité à la lisse dans un plan perpendiculaire aux plans d’extension des lames, tout en restant très rigide dans le plan d’extension, de sorte à éviter des oscillations lors de l’ouverture/fermeture de la lisse. Cette capacité à se déformer de façon élastique dans un plan peut être renforcée par des entretoises ou d’autres pièces d’inflexion complémentaire aux entretoises, configurées pour introduire des points d’inflexions concave sur les lames. Soumise à un choc, la lisse ainsi obtenue peut être déformée selon un angle de 90° puis revenir en position de fermeture initiale sans endommagement des lames. According to an arrangement not shown, the heddle 200 comprises a plurality of substantially planar blades 4, kept spaced apart, substantially opposite each other and each extending in a respective extension plane, the planes being parallel to each other. Thus the smooth according to the invention comprises light and flexible blades, conferring significant flexibility on the smooth in a plane perpendicular to the planes of extension of the blades, while remaining very rigid in the plane of extension, so as to avoid oscillations when opening/closing the beam. This ability to elastically deform in a plane can be enhanced by spacers or other inflection pieces complementary to the spacers, configured to introduce concave inflection points on the blades. Subjected to a shock, the smooth thus obtained can be deformed according to an angle of 90° and then return to the initial closed position without damaging the slats.

Claims

REVENDICATIONS
1. Lisse (200) pour barrière automatique (100) en vue du contrôle de la circulation de véhicules, notamment sur des voies de circulation ou des sites à accès contrôlés, la lisse (200) comprenant une pluralité de lames (4) sensiblement planes, maintenues espacées, sensiblement en regard les unes des autres et s’étendant chacune dans un plan d’extension respectif, les plans d’extension étant sensiblement parallèles les uns aux autres, les lames (4) étant configurées de sorte à permettre une déformation élastique de la lisse (200) dans un plan perpendiculaire aux plans d’extension, entre une position de fermeture dans laquelle la lisse (200) interdit la circulation et une position déformée (D) dans laquelle au moins une portion de la lisse (200) est oblique par rapport à la direction de la circulation. 1. Smooth (200) for an automatic barrier (100) for controlling vehicle traffic, in particular on traffic lanes or sites with controlled access, the smooth (200) comprising a plurality of blades (4) substantially planar , held spaced apart, substantially facing each other and each extending in a respective extension plane, the extension planes being substantially parallel to each other, the blades (4) being configured so as to allow deformation elastic of the heddle (200) in a plane perpendicular to the extension planes, between a closed position in which the heddle (200) prohibits circulation and a deformed position (D) in which at least a portion of the heddle (200 ) is oblique to the direction of flow.
2. Lisse (200) selon la revendication précédente, laquelle comprend un système d’entretoisage, configuré pour fixer deux à deux toutes les lames (4) adjacentes de la pluralité de lames (4), en les maintenant espacées et sensiblement en regard les unes des autres. 2. Heddle (200) according to the preceding claim, which comprises a spacer system, configured to fix two by two all the blades (4) adjacent to the plurality of blades (4), keeping them spaced apart and substantially opposite the each other.
3. Lisse (200) selon la revendication 2, dans laquelle le système d’entretoisage comprend au moins une entretoise (5) s’étendant longitudinalement entre deux lames (4) adjacentes. 3. Smooth (200) according to claim 2, wherein the spacer system comprises at least one spacer (5) extending longitudinally between two blades (4) adjacent.
4. Lisse (200) selon la revendication 2 ou 3, dans laquelle le système d’entretoisage comprend des entretoises intercalées entre les lames (4) adjacentes et espacées le long de la lisse (200). 4. Smooth (200) according to claim 2 or 3, wherein the spacer system comprises spacers interposed between the blades (4) adjacent and spaced along the smooth (200).
5. Lisse (200) selon l’une des revendications 3 à 4, dans laquelle l’au moins une entretoise (5) comprend au moins une première surface d’appui (6) en appui avec une lame, et une deuxième surface d’appui (7) opposée, en appui avec une lame (4) adjacente, la première surface d’appui (6) étant configurée pour générer au moins une courbure convexe à la lame (4) en appui sur la première surface d’appui (6). 5. Smooth (200) according to one of claims 3 to 4, wherein the at least one spacer (5) comprises at least a first bearing surface (6) bearing with a blade, and a second surface of support (7) opposite, in support with an adjacent blade (4), the first support surface (6) being configured to generate at least one convex curvature to the blade (4) in support on the first support surface (6).
6. Lisse (200) selon la revendication 5, dans laquelle la deuxième surface d’appui (7) est configurée pour générer au moins une courbure convexe de la lame (4) adjacente en appui sur la deuxième surface d’appui (6). 6. Heddle (200) according to claim 5, wherein the second bearing surface (7) is configured to generate at least one convex curvature of the blade (4) adjacent bearing on the second bearing surface (6) .
7. Lisse (200) selon l’une des revendications 2 à 5, dans laquelle la pluralité de lames (4) est constituée uniquement d’une lame centrale (8), une première lame latérale (9) et une deuxième lame latérale (11), adjacentes à la lame centrale (8), la lisse (200) comprenant au moins deux entretoises de part et d’autre de la lame centrale (8). 7. Smooth (200) according to one of claims 2 to 5, wherein the plurality of blades (4) consists solely of a central blade (8), a first side blade (9) and a second side blade ( 11), adjacent to the central blade (8), the smooth (200) comprising at least two spacers on either side of the central blade (8).
8. Lisse (200) selon la revendication précédente combinée à la revendication 5, dans laquelle les au moins deux entretoises présentent la première surface d’appui (6) en appui respectivement sur la première lame latérale (9) et sur la deuxième lame latérale (11). 8. Smooth (200) according to the preceding claim combined with claim 5, wherein the at least two spacers have the first bearing surface (6) resting respectively on the first side blade (9) and on the second side blade (11).
9. Lisse (200) selon l’une des revendications précédentes, dans laquelle la pluralité de lames (4) comprennent un matériau fibreux. 9. Smooth (200) according to one of the preceding claims, wherein the plurality of blades (4) comprise a fibrous material.
10. Barrière automatique (100) pour le contrôle de la circulation de véhicules, notamment sur des voies de circulation ou des sites à accès contrôlés, la barrière automatique (100) comprenant : 10. Automatic barrier (100) for controlling vehicle traffic, in particular on traffic lanes or sites with controlled access, the automatic barrier (100) comprising:
- un dispositif support (1) configuré pour fixer la barrière automatique (100) au sol,- a support device (1) configured to fix the automatic barrier (100) to the ground,
- une lisse (200) selon l’une des revendications 1 à 9, la lisse (200) étant montée mobile sur le dispositif support (1) entre une position de fermeture dans laquelle la lisse (200) interdit la circulation et position d’ouverture dans laquelle la lisse (200) autorise la circulation, - a heddle (200) according to one of claims 1 to 9, the heddle (200) being movably mounted on the support device (1) between a closed position in which the heddle (200) prohibits circulation and a position of opening in which the rail (200) allows circulation,
- un système d’actionnement (2) configuré pour actionner le déplacement de lisse (200) entre sa position de fermeture et sa position d’ouverture. - an actuation system (2) configured to actuate the movement of the boom (200) between its closed position and its open position.
EP22724816.8A 2021-05-03 2022-05-03 Rail for automatic barrier Pending EP4334533A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2104648A FR3122442B1 (en) 2021-05-03 2021-05-03 Smooth for automatic barrier
PCT/FR2022/050857 WO2022234230A1 (en) 2021-05-03 2022-05-03 Rail for automatic barrier

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EP4334533A1 true EP4334533A1 (en) 2024-03-13

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EP (1) EP4334533A1 (en)
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WO (1) WO2022234230A1 (en)

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Publication number Priority date Publication date Assignee Title
DE59005943D1 (en) * 1990-02-19 1994-07-07 Kurt Berner Barrier barrier arrangement for parking areas.
US6370821B1 (en) * 1999-05-27 2002-04-16 Mccord David W. Flexible gate
JP5912691B2 (en) * 2012-03-12 2016-04-27 エバック株式会社 Railroad crossing fence
JP2014012422A (en) * 2012-07-03 2014-01-23 West Japan Railway Co Gate arm and railroad crossing gate having gate arm

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FR3122442B1 (en) 2023-08-25
CO2023015393A2 (en) 2024-02-15
WO2022234230A1 (en) 2022-11-10

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