EP1462570A1 - Grooved asymmetrical rail and use when building a track - Google Patents

Grooved asymmetrical rail and use when building a track Download PDF

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Publication number
EP1462570A1
EP1462570A1 EP20040290758 EP04290758A EP1462570A1 EP 1462570 A1 EP1462570 A1 EP 1462570A1 EP 20040290758 EP20040290758 EP 20040290758 EP 04290758 A EP04290758 A EP 04290758A EP 1462570 A1 EP1462570 A1 EP 1462570A1
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EP
European Patent Office
Prior art keywords
rail
transverse
width
mushroom
central axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20040290758
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German (de)
French (fr)
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EP1462570B1 (en
Inventor
Jacques Malod-Panisset
Jean Ehrsam
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Alstom Transport Technologies SAS
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Vossloh Infrastructure Services
Alstom SA
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Publication of EP1462570A1 publication Critical patent/EP1462570A1/en
Application granted granted Critical
Publication of EP1462570B1 publication Critical patent/EP1462570B1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • E01B5/04—Grooved rails

Definitions

  • the invention generally relates to railway tracks, especially for trams or trains.
  • the invention relates to a first aspect a throat rail extending longitudinally, comprising a lower part forming an elongated sole in one direction transverse, an intermediate portion forming a core, and an upper part forming a first transverse side a mushroom and a second transverse side opposite the first a bib, bib and mushroom defining between them a throat.
  • Rails of this type are known from the prior art, and are used in railroads. It is known to arrange them in engravures and fill them in engravings of an elastic material, for example a resin, to fix and electrically insulate the rails and cushion the vibrations.
  • an elastic material for example a resin
  • the rails are supported on the resin and undergo passage of the train or tramway vertical forces but also transversal.
  • Cross-cutting efforts tend to rotate the rail around a longitudinal axis, particular if, for acoustic or vibratory, we use a soft resin. This rotation is particularly troublesome for guiding the train or the tram.
  • the present invention aims to to overcome the defect mentioned above.
  • the rail of the invention is essentially characterized in that the sole is asymmetrical in a plane perpendicular to the longitudinal direction.
  • the present rail considered in section in a plane perpendicular to the longitudinal direction, an axis central extending perpendicular to the direction transversal and dividing the sole into a first part on the side of the mushroom and a second part on the side of the bib, these parts presenting respective first and second transverse widths, the first width being greater than the second.
  • the first width is greater than the second at least 4 hundredths of the width total transverse of the sole.
  • the first width is greater than the second of at least 5 millimeters.
  • the central axis divides the upper part of the rail so that the mushroom is from a first side of the central axis, and the throat and bib a second side of the central axis opposite to the first.
  • the mushroom and the bib between first and second axes perpendicular to the transverse direction, the central axis being the median axis of the first and second axes.
  • the rail is non-inertial.
  • the rail has a height perpendicular to the lower transverse direction at 100 millimeters, and a transverse width greater than his height.
  • the rail is inertial and presents a soul which, viewed in section in a plane perpendicular to the longitudinal direction, extends over a narrow width around a principal axis, said corresponding central axis then to the main axis.
  • the invention the application of the rail described above to the constitution of a railway.
  • the grooved rail shown in FIG. in a longitudinal direction. 11 includes, as the shows Figure 2, a lower part forming a outsole 10 of elongated shape in one direction transverse, an intermediate portion forming a core 20, and an upper part forming a first side transversal a mushroom 30 and a second side transverse opposite the first a bib 40, the bib 30 and the mushroom 40 defining between them a groove 50 open on one side.
  • An upper face 31 of the mushroom, flat or slightly curved, constitutes a running surface intended to receive the wheel tread of a wheel railway vehicle.
  • the latch of these same wheels circulates in the groove 50 of the rail.
  • the core 20 is delimited on two transverse sides opposed by two concave side surfaces 21 of concavity turned outwards.
  • the rail rests on a flat bottom face 13 of the sole 10, parallel to the transverse directions and longitudinal.
  • the sole 10 is asymmetrical in a plane perpendicular to the longitudinal direction.
  • the rail presents, considered in section in a plane perpendicular to the longitudinal direction as in Figure 2, an axis central 61 extending perpendicular to the direction transversal and dividing the sole 10 into a first part 11 on the side of the mushroom 30 and a second part 12 on the side of the bib 40.
  • the first and second parts 11 and 12 present respectively first and second widths transverse, and the first width is greater than the second.
  • the first width is greater than the second of less than 4 hundredths of the total cross-sectional width of the sole 10.
  • the first width is greater than the second of eight hundredths of the width total transverse of the sole 10.
  • the first For rails of common sizes, one chooses the first greater width of at least 5 millimeters the second. Preferably, the first width is selected greater than 10 millimeters per second.
  • the central axis 61 can be defined from different manners.
  • the rail is inertial and has a core 20 which, considered in section in a plane perpendicular to the longitudinal direction, extends to a narrow width transverse around a main axis 64 itself perpendicular to the transverse direction.
  • Soul 20 is of comparable height or greater than that of the party upper rail.
  • the central axis 61 then corresponding to the main axis 64.
  • the rail is non-inertial and present a soul 20 much wider transversely than the rail inertial of Figure 2. It is also seen that this soul 20 is of comparable height or less than that of the upper part of the rail.
  • the central axis 61 is the axis dividing the upper part of the rail so that the mushroom 30 is on one side of the central axis 61 and the groove 50 and the flap 40 on a second side of the central axis 61 opposite to the first.
  • the central axis 61 then substantially defines the point junction between the groove 50 and the mushroom 30.
  • the mushroom 30 and the bib 40 between first and second axes 62 and 63 mutually parallel and perpendicular to the direction cross.
  • the mushroom 30 has a first lateral side outside 32 opposite the bib 40 and tangent to the first axis 62.
  • the flap 40 has a second lateral side outside 41 opposite to the mushroom and tangent to the second axis 63.
  • the central axis 61 is then the median axis of the first and second axes 62 and 63.
  • the invention is particularly adapted to a rail having a height perpendicular to the direction transverse less than 100 millimeters, and a width transverse superior to its height.
  • the rail has a height of 85 millimeters and a transverse width of 120 millimeters, like the rails shown on the Figures 3 and 4.
  • the rail of FIG. 3 comprises a mushroom 30 of which the upper face 31 has a transverse width of About 56 millimeters. Its first lateral side exterior 32 has a height of about 30 millimeters. It is perpendicular to the lateral direction.
  • the groove 50 has a transverse width of 36 millimeters, measured at its opening, and a depth of about 46 millimeters. She presents a V-shaped profile whose tip would be rounded.
  • the flap 40 has an upper face of width About 19 millimeters and its second lateral side 41 has a height of about 46 millimeters. This side is substantially perpendicular to the direction cross.
  • the height of the first and second parts 11 and 12 of the sole 10 is about 18 millimeters.
  • the first one transverse width of the first part is 66 millimeters and the second transverse width of the second part of about 55 millimeters.
  • the second part 12 of the sole 10 is plumb with the bib 40.
  • the first part 11 of the sole 10 protrudes transversely outwards in relation to mushroom 30.
  • the flap 40 is narrower than that of the figure 2, and has a transverse width of about 16 millimeters.
  • the second lateral lateral side 41 is angled outward of the rail from the face concave side 21 corresponding to the core 20.
  • the groove 50 has a transverse width of 41 millimeters, measured at the level of its opening. Its side turned towards the mushroom 30 is substantially perpendicular to the transverse direction.
  • the upper face 31 of the mushroom 30 has a slight inclination towards the throat 50.
  • the rail described above can be applied to the constitution of a railway, for train or tramway.
  • This path typically comprises a concrete block 70, two parallel engravings 71 formed in the concrete mass 70, two rails 72 of the type described above each arranged in a different engravure 71, and an elastic material 73 filling the engravings 71, around the rails 72 and in below this one.
  • the rails 72 are in continuous support on the elastic material 73 by their lower faces respectively.
  • the rails 72 are oriented in the engravures of such that the flaps 40 are on the inner side of the track, that is to say on the side of the other rail, and the mushrooms 30 on the outside.
  • the rail undergoes the passage of a railway convoy a vertical effort, and in in some cases, a transversal effort.
  • This effort results in example of the force of the wind blowing on the convoy. It is also particularly important in the curves of the way.
  • This transversal effort is taken up mainly by the mushroom of one of the two parallel rails.
  • this mushroom is that of the outer rail to the curve.
  • the mushroom is that of the rail opposite the direction from which the wind comes.
  • This plan corresponds approximately to the central axis 61 of the rail described above.
  • the moment M tends to rotate the first part 11 of the sole 10 in the direction of a depression in the surface supporting the rail, and tends to rotate the second part 12 of the sole 10 in the direction of a detachment of the surface supporting the rail.
  • This surface in the embodiment of the FIG. 1 is made of a flexible resin, offering a low resistance to sinking the first part 11 of the sole 10.
  • the rail thus tends to pivot about an axis longitudinal.
  • the rail of the invention has a sole of width cross-section substantially identical to that of the rails of the prior art. This width is controlled by the need to recover and distribute the vertical forces suffered by the rail and by manufacturing constraints.
  • this width is distributed asymmetrical around the central axis, the first part the sole, located on the mushroom side, being wider than the second is on the bib side.
  • the sole is symmetrical with respect to the axis central, the first and second parts being likewise width.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The rail has a lower part forming a sleeper (10) in an elongated form, in a transversal direction. An upper part forms a head (30) and a plate at two respective transversal sides. The plate and the head define a groove between them. The sleeper is dissymmetric in a plane perpendicular to a longitudinal direction. The sleeper has a center around which transversal force applied by a support column creates a moment of rotation. An independent claim is also included for an application of the rail in a track.

Description

L'invention concerne en général les voies ferrées, notamment pour tramways ou trains.The invention generally relates to railway tracks, especially for trams or trains.

Plus précisément, l'invention concerne selon un premier aspect un rail à gorge s'étendant longitudinalement, comprenant une partie inférieure formant une semelle de forme allongée dans une direction transversale, une partie intermédiaire formant une âme, et une partie supérieure formant d'un premier côté transversal un champignon et d'un second côté transversal opposé au premier une bavette, la bavette et le champignon définissant entre eux une gorge.More precisely, the invention relates to a first aspect a throat rail extending longitudinally, comprising a lower part forming an elongated sole in one direction transverse, an intermediate portion forming a core, and an upper part forming a first transverse side a mushroom and a second transverse side opposite the first a bib, bib and mushroom defining between them a throat.

Des rails de ce type sont connus de l'art antérieur, et sont utilisés dans des voies ferrées. Il est connu de les disposer dans des engravures et de remplir les engravures d'une matière élastique, par exemple une résine, pour fixer et isoler électriquement les rails et amortir les vibrations.Rails of this type are known from the prior art, and are used in railroads. It is known to arrange them in engravures and fill them in engravings of an elastic material, for example a resin, to fix and electrically insulate the rails and cushion the vibrations.

Les rails sont en appui sur la résine et subissent au passage du train ou du tramway des efforts verticaux mais également transversaux. Les efforts transversaux tendent à faire tourner le rail autour d'un axe longitudinal, en particulier si, pour des raisons acoustiques ou vibratoires, on utilise une résine souple. Cette rotation est particulièrement gênante pour le guidage du train ou du tramway.The rails are supported on the resin and undergo passage of the train or tramway vertical forces but also transversal. Cross-cutting efforts tend to rotate the rail around a longitudinal axis, particular if, for acoustic or vibratory, we use a soft resin. This rotation is particularly troublesome for guiding the train or the tram.

Dans ce contexte, la présente invention a pour but de pallier le défaut mentionné ci-dessus.In this context, the present invention aims to to overcome the defect mentioned above.

A cette fin, le rail de l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que la semelle est dissymétrique dans un plan perpendiculaire à la direction longitudinale.For this purpose, the rail of the invention, moreover consistent with the generic definition given in the preamble above, is essentially characterized in that the sole is asymmetrical in a plane perpendicular to the longitudinal direction.

Dans un mode de réalisation possible de l'invention, le rail présente, considéré en coupe dans un plan perpendiculaire à la direction longitudinale, un axe central s'étendant perpendiculairement à la direction transversale et divisant la semelle en une première partie du côté du champignon et une seconde partie du côté de la bavette, ces parties présentant respectivement des première et seconde largeurs transversales, la première largeur étant supérieure à la seconde.In a possible embodiment of the invention, the present rail, considered in section in a plane perpendicular to the longitudinal direction, an axis central extending perpendicular to the direction transversal and dividing the sole into a first part on the side of the mushroom and a second part on the side of the bib, these parts presenting respective first and second transverse widths, the first width being greater than the second.

Avantageusement, la première largeur est supérieure à la seconde d'au moins 4 centièmes de la largeur transversale totale de la semelle.Advantageously, the first width is greater than the second at least 4 hundredths of the width total transverse of the sole.

De préférence, la première largeur est supérieure à la seconde d'au moins 5 millimètres.Preferably, the first width is greater than the second of at least 5 millimeters.

Par exemple, l'axe central divise la partie supérieure du rail de telle sorte que le champignon se trouve d'un premier côté de l'axe central, et la gorge et la bavette d'un second côté de l'axe central opposé au premier.For example, the central axis divides the upper part of the rail so that the mushroom is from a first side of the central axis, and the throat and bib a second side of the central axis opposite to the first.

Avantageusement, le champignon et la bavette s'inscrivent entre des premiers et seconds axes perpendiculaires à la direction transversale, l'axe central étant l'axe médian des premier et second axes.Advantageously, the mushroom and the bib between first and second axes perpendicular to the transverse direction, the central axis being the median axis of the first and second axes.

De préférence, le rail est non inertiel.Preferably, the rail is non-inertial.

Par exemple, le rail présente une hauteur perpendiculairement à la direction transversale inférieure à 100 millimètres, et une largeur transversale supérieure à sa hauteur.For example, the rail has a height perpendicular to the lower transverse direction at 100 millimeters, and a transverse width greater than his height.

Avantageusement, le rail est inertiel et présente une âme qui, considérée en coupe dans un plan perpendiculaire à la direction longitudinale, s'étend sur une faible largeur autour d'un axe principal, ledit axe central correspondant alors à l'axe principal.Advantageously, the rail is inertial and presents a soul which, viewed in section in a plane perpendicular to the longitudinal direction, extends over a narrow width around a principal axis, said corresponding central axis then to the main axis.

Selon un second aspect, l'invention concerne l'application du rail décrit ci-dessus à la constitution d'une voie ferrée.According to a second aspect, the invention the application of the rail described above to the constitution of a railway.

D'autres caractéristiques et avantages de l'invention ressortiront clairement de la description qui en est faite ci-dessous, à titre indicatif et nullement limitatif, en référence aux figures annexées, parmi lesquelles :

  • la figure 1 est une vue perspective d'une voie ferrée selon l'invention, montrant en coupe dans un plan perpendiculaire à la direction longitudinale les rails de l'invention disposés dans les engravures,
  • la figure 2 est une vue du rail de la figure 1 en coupe perpendiculairement à la direction longitudinale, correspondant à un premier mode de réalisation de l'invention,
  • la figure 3 est une vue similaire à celle de la figure 2 pour un second mode de réalisation de l'invention, et
  • la figure 4 est une vue similaire à celle de la figure 2, pour une variante du second mode de réalisation.
Other characteristics and advantages of the invention will emerge clearly from the description which is given below, by way of indication and in no way limiting, with reference to the appended figures, among which:
  • Figure 1 is a perspective view of a railway track according to the invention, showing in section in a plane perpendicular to the longitudinal direction rails of the invention arranged in the engravures,
  • FIG. 2 is a view of the rail of FIG. 1 in section perpendicular to the longitudinal direction, corresponding to a first embodiment of the invention,
  • FIG. 3 is a view similar to that of FIG. 2 for a second embodiment of the invention, and
  • Figure 4 is a view similar to that of Figure 2, for a variant of the second embodiment.

Le rail à gorge représenté sur la figure 1 s'étend suivant une direction longitudinale. 11 comprend, comme le montre la figure 2, une partie inférieure formant une semelle 10 de forme allongée dans une direction transversale, une partie intermédiaire formant une âme 20, et une partie supérieure formant d'un premier côté transversal un champignon 30 et d'un second côté transversal opposé au premier une bavette 40, la bavette 30 et le champignon 40 définissant entre eux une gorge 50 ouverte d'un côté supérieur.The grooved rail shown in FIG. in a longitudinal direction. 11 includes, as the shows Figure 2, a lower part forming a outsole 10 of elongated shape in one direction transverse, an intermediate portion forming a core 20, and an upper part forming a first side transversal a mushroom 30 and a second side transverse opposite the first a bib 40, the bib 30 and the mushroom 40 defining between them a groove 50 open on one side.

Une face supérieure 31 du champignon, plane ou légèrement bombée, constitue une surface de roulement destinée à recevoir la table de roulement des roues d'un véhicule ferroviaire. Le mentonnet de ces mêmes roues circule dans la gorge 50 du rail.An upper face 31 of the mushroom, flat or slightly curved, constitutes a running surface intended to receive the wheel tread of a wheel railway vehicle. The latch of these same wheels circulates in the groove 50 of the rail.

L'âme 20 est délimitée de deux côtés transversaux opposés par deux surfaces latérales 21 concaves, de concavité tournées vers l'extérieur.The core 20 is delimited on two transverse sides opposed by two concave side surfaces 21 of concavity turned outwards.

Le rail repose sur une face inférieure 13 plane de la semelle 10, parallèle aux directions transversale et longitudinale.The rail rests on a flat bottom face 13 of the sole 10, parallel to the transverse directions and longitudinal.

Selon l'invention, la semelle 10 est dissymétrique dans un plan perpendiculaire à la direction longitudinale.According to the invention, the sole 10 is asymmetrical in a plane perpendicular to the longitudinal direction.

Plus précisément, on remarquera que le rail présente, considéré en coupe dans un plan perpendiculaire à la direction longitudinale comme sur la figure 2, un axe central 61 s'étendant perpendiculairement à la direction transversale et divisant la semelle 10 en une première partie 11 du côté du champignon 30 et une seconde partie 12 du côté de la bavette 40.More precisely, it will be noticed that the rail presents, considered in section in a plane perpendicular to the longitudinal direction as in Figure 2, an axis central 61 extending perpendicular to the direction transversal and dividing the sole 10 into a first part 11 on the side of the mushroom 30 and a second part 12 on the side of the bib 40.

Les première et seconde parties 11 et 12 présentent respectivement des première et seconde largeurs transversales, et la première largeur est supérieure à la seconde.The first and second parts 11 and 12 present respectively first and second widths transverse, and the first width is greater than the second.

La première largeur est supérieure à la seconde d'au moins 4 centièmes de la largeur transversale totale de la semelle 10. De préférence, la première largeur est supérieure à la seconde de huit centièmes de la largeur transversale totale de la semelle 10.The first width is greater than the second of less than 4 hundredths of the total cross-sectional width of the sole 10. Preferably, the first width is greater than the second of eight hundredths of the width total transverse of the sole 10.

Pour les rails de tailles courantes, on choisit ainsi la première largeur supérieure d'au moins 5 millimètres à la seconde. De préférence, on choisit la première largeur supérieure de 10 millimètres à la seconde.For rails of common sizes, one chooses the first greater width of at least 5 millimeters the second. Preferably, the first width is selected greater than 10 millimeters per second.

L'axe central 61 peut être défini de différentes façons.The central axis 61 can be defined from different manners.

Dans un premier mode de réalisation représenté sur la figure 4, le rail est inertiel et présente une âme 20 qui, considérée en coupe dans un plan perpendiculaire à la direction longitudinale, s'étend sur une faible largeur transversale autour d'un axe principal 64 lui-même perpendiculaire à la direction transversale. L'âme 20 est de hauteur comparable ou supérieure à celle de la partie supérieure du rail.In a first embodiment shown on the 4, the rail is inertial and has a core 20 which, considered in section in a plane perpendicular to the longitudinal direction, extends to a narrow width transverse around a main axis 64 itself perpendicular to the transverse direction. Soul 20 is of comparable height or greater than that of the party upper rail.

L'axe central 61 correspondant alors à l'axe principal 64.The central axis 61 then corresponding to the main axis 64.

Dans un deuxième mode de réalisation, représenté sur les figures 3 et 4, le rail est non inertiel et présente une âme 20 beaucoup plus large transversalement que le rail inertiel de la figure 2. On voit également que cette âme 20 est de hauteur comparable ou inférieure à celle de la partie supérieure du rail. In a second embodiment, shown in Figures 3 and 4, the rail is non-inertial and present a soul 20 much wider transversely than the rail inertial of Figure 2. It is also seen that this soul 20 is of comparable height or less than that of the upper part of the rail.

Dans une première variante de réalisation, représentée sur la figure 4, l'axe central 61 est l'axe divisant la partie supérieure du rail de telle sorte que le champignon 30 se trouve d'un premier côté de l'axe central 61 et la gorge 50 et la bavette 40 d'un second côté de l'axe central 61 opposé au premier.In a first variant embodiment, represented in Figure 4, the central axis 61 is the axis dividing the upper part of the rail so that the mushroom 30 is on one side of the central axis 61 and the groove 50 and the flap 40 on a second side of the central axis 61 opposite to the first.

L'axe central 61 définit alors sensiblement le point de jonction entre la gorge 50 et le champignon 30.The central axis 61 then substantially defines the point junction between the groove 50 and the mushroom 30.

Dans une seconde variante de réalisation représentée sur la figure 3, le champignon 30 et la bavette 40 s'inscrivent entre des premiers et seconds axes 62 et 63 mutuellement parallèles et perpendiculaires à la direction transversale.In a second embodiment shown in FIG. 3, the mushroom 30 and the bib 40 between first and second axes 62 and 63 mutually parallel and perpendicular to the direction cross.

Le champignon 30 présente un premier côté latéral extérieur 32 opposé à la bavette 40 et tangent au premier axe 62.The mushroom 30 has a first lateral side outside 32 opposite the bib 40 and tangent to the first axis 62.

La bavette 40 présente un second côté latéral extérieur 41 opposé au champignon et tangent au second axe 63.The flap 40 has a second lateral side outside 41 opposite to the mushroom and tangent to the second axis 63.

L'axe central 61 est alors l'axe médian des premier et second axes 62 et 63.The central axis 61 is then the median axis of the first and second axes 62 and 63.

L'invention est particulièrement adaptée à un rail présentant une hauteur perpendiculairement à la direction transversale inférieure à 100 millimètres, et une largeur transversale supérieure à sa hauteur.The invention is particularly adapted to a rail having a height perpendicular to the direction transverse less than 100 millimeters, and a width transverse superior to its height.

De préférence, le rail présente une hauteur de 85 millimètres environ et une largeur transversale de 120 millimètres environ, comme les rails illustrés sur les figures 3 et 4.Preferably, the rail has a height of 85 millimeters and a transverse width of 120 millimeters, like the rails shown on the Figures 3 and 4.

Le rail de la figure 3 comprend un champignon 30 dont la face supérieure 31 présente une largeur transversale de 56 millimètres environ. Son premier côté latéral extérieur 32 présente une hauteur de 30 millimètres environ. Il est perpendiculaire à la direction latérale.The rail of FIG. 3 comprises a mushroom 30 of which the upper face 31 has a transverse width of About 56 millimeters. Its first lateral side exterior 32 has a height of about 30 millimeters. It is perpendicular to the lateral direction.

La gorge 50 présente une largeur transversale de 36 millimètres, mesurée au niveau de son ouverture, et une profondeur de 46 millimètres environ. Elle présente un profil en V dont la pointe serait arrondie.The groove 50 has a transverse width of 36 millimeters, measured at its opening, and a depth of about 46 millimeters. She presents a V-shaped profile whose tip would be rounded.

La bavette 40 présente une face supérieure de largeur 19 millimètres environ et son second côté latéral extérieur 41 présente une hauteur de 46 millimètres environ. Ce côté est sensiblement perpendiculaire à la direction transversale.The flap 40 has an upper face of width About 19 millimeters and its second lateral side 41 has a height of about 46 millimeters. This side is substantially perpendicular to the direction cross.

La hauteur des première et seconde parties 11 et 12 de la semelle 10 est de 18 millimètres environ. La première largeur transversale de la première partie est de 66 millimètres et la seconde largeur transversale de la seconde partie de 55 millimètres environ.The height of the first and second parts 11 and 12 of the sole 10 is about 18 millimeters. The first one transverse width of the first part is 66 millimeters and the second transverse width of the second part of about 55 millimeters.

On notera que la seconde partie 12 de la semelle 10 est d'aplomb avec la bavette 40.Note that the second part 12 of the sole 10 is plumb with the bib 40.

En revanche, la première partie 11 de la semelle 10 fait saillie transversalement vers l'extérieur par rapport au champignon 30.On the other hand, the first part 11 of the sole 10 protrudes transversely outwards in relation to mushroom 30.

Le rail de la figure 4 est très proche de celui de la figure 3 et seules les différences entre les deux rails seront décrites ici.The rail of Figure 4 is very close to that of the figure 3 and only the differences between the two rails will be described here.

La bavette 40 est plus étroite que celle de la figure 2, et présente une largeur transversale d'environ 16 millimètres. Le second côté latéral extérieur 41 est incliné vers l'extérieur du rail à partir de la face latérale concave 21 correspondante de l'âme 20.The flap 40 is narrower than that of the figure 2, and has a transverse width of about 16 millimeters. The second lateral lateral side 41 is angled outward of the rail from the face concave side 21 corresponding to the core 20.

La gorge 50 présente une largeur transversale de 41 millimètres environ, mesurée au niveau de son ouverture. Son côté tourné vers le champignon 30 est sensiblement perpendiculaire à la direction transversale.The groove 50 has a transverse width of 41 millimeters, measured at the level of its opening. Its side turned towards the mushroom 30 is substantially perpendicular to the transverse direction.

La face supérieure 31 du champignon 30 présente une légère inclinaison vers la gorge 50.The upper face 31 of the mushroom 30 has a slight inclination towards the throat 50.

Le rail décrit ci-dessus peut être appliqué à la constitution d'une voie ferrée, pour train ou tramway. Cette voie comprend typiquement un massif de béton 70, deux engravures parallèles 71 ménagées dans le massif de béton 70, deux rails 72 du type décrit ci-dessus disposés chacun dans une engravure 71 différente, et un matériau élastique 73 remplissant les engravures 71, autour des rails 72 et en dessous de celui-ci. Les rails 72 sont en appui continu sur le matériau élastique 73 par leurs faces inférieures respectives.The rail described above can be applied to the constitution of a railway, for train or tramway. This path typically comprises a concrete block 70, two parallel engravings 71 formed in the concrete mass 70, two rails 72 of the type described above each arranged in a different engravure 71, and an elastic material 73 filling the engravings 71, around the rails 72 and in below this one. The rails 72 are in continuous support on the elastic material 73 by their lower faces respectively.

Les rails 72 sont orientés dans les engravures de telle sorte que les bavettes 40 soient du côté intérieur de la voie, c'est-à-dire du côté de l'autre rail, et les champignons 30 du côté extérieur.The rails 72 are oriented in the engravures of such that the flaps 40 are on the inner side of the track, that is to say on the side of the other rail, and the mushrooms 30 on the outside.

On va maintenant expliquer l'effet obtenu du fait de la dissymétrie de la semelle du rail.We will now explain the effect obtained from the dissymmetry of the rail sole.

Comme mentionné plus haut, le rail subit au passage d'un convoi ferroviaire un effort vertical, et, dans certains cas, un effort transversal. Cet effort résulte par exemple de la force du vent soufflant sur le convoi. Il est également particulièrement important dans les courbes de la voie.As mentioned above, the rail undergoes the passage of a railway convoy a vertical effort, and in in some cases, a transversal effort. This effort results in example of the force of the wind blowing on the convoy. It is also particularly important in the curves of the way.

Cet effort transversal est repris essentiellement par le champignon d'un des deux rails parallèles. Dans le cas d'une courbe, ce champignon est celui du rail extérieur à la courbe. Pour un effort créé par le vent, le champignon est celui du rail opposé à la direction d'où vient le vent.This transversal effort is taken up mainly by the mushroom of one of the two parallel rails. In the case of a curve, this mushroom is that of the outer rail to the curve. For an effort created by the wind, the mushroom is that of the rail opposite the direction from which the wind comes.

Quand on considère le rail en coupe perpendiculairement à son axe longitudinal, cet effort transversal crée un moment de rotation M autour d'un centre de rotation C situé dans le plan de la roue du convoi roulant sur ledit rail.When we consider the rail in section perpendicular to its longitudinal axis, this effort transversal creates a moment of rotation M around a center of rotation C located in the plane of the convoy wheel rolling on said rail.

Ce plan, considéré en coupe, correspond approximativement à l'axe central 61 du rail décrit ci-dessus.This plan, considered in section, corresponds approximately to the central axis 61 of the rail described above.

Le moment M tend à faire pivoter la première partie 11 de la semelle 10 dans le sens d'un enfoncement dans la surface supportant le rail, et tend à faire pivoter la seconde partie 12 de la semelle 10 dans le sens d'un décollement de la surface supportant le rail.The moment M tends to rotate the first part 11 of the sole 10 in the direction of a depression in the surface supporting the rail, and tends to rotate the second part 12 of the sole 10 in the direction of a detachment of the surface supporting the rail.

Cette surface, dans l'exemple de réalisation de la figure 1, est constituée d'une résine souple, offrant une faible résistance à l'enfoncement de la première partie 11 de la semelle 10.This surface, in the embodiment of the FIG. 1 is made of a flexible resin, offering a low resistance to sinking the first part 11 of the sole 10.

Le rail tend donc à pivoter autour d'un axe longitudinal.The rail thus tends to pivot about an axis longitudinal.

Le rail de l'invention présente une semelle de largeur transversale sensiblement identique à celle des rails de l'art antérieur. Cette largeur est commandée par la nécessité de reprendre et de répartir les efforts verticaux subis par le rail et par des contraintes de fabrication.The rail of the invention has a sole of width cross-section substantially identical to that of the rails of the prior art. This width is controlled by the need to recover and distribute the vertical forces suffered by the rail and by manufacturing constraints.

En revanche, cette largeur est répartie de façon dissymétrique autour de l'axe central, la première partie de la semelle, située côté champignon, étant plus large que la seconde située côté bavette. Dans les rails de l'art antérieur, la semelle est symétrique par rapport à l'axe central, les première et seconde parties étant de même largeur.On the other hand, this width is distributed asymmetrical around the central axis, the first part the sole, located on the mushroom side, being wider than the second is on the bib side. In the rails of art previous, the sole is symmetrical with respect to the axis central, the first and second parts being likewise width.

Cet élargissement de la semelle côté champignon accroít la stabilité du rail et sa résistance au moment de rotation résultant des efforts transversaux. La première partie de la semelle étant en appui sur une plus grande longueur, elle peut plus difficilement s'enfoncer dans la couche de résine sous-jacente.This widening of the sole mushroom side increases the stability of the rail and its resistance at the time of rotation resulting from transverse forces. The first one part of the sole being supported on a larger length, it may be more difficult to sink into the underlying resin layer.

De manière surprenante, des essais ont montré qu'une différence de largeur de 10 millimètres permettait d'obtenir un effet de stabilisation très satisfaisant, une différence de 5 millimètres étant jugée en conséquence suffisante pour obtenir un effet significatif.Surprisingly, tests have shown that difference in width of 10 millimeters allowed to obtain a very satisfactory stabilization effect, a difference of 5 millimeters being judged accordingly sufficient to achieve a significant effect.

On peut alors, avec des rails de ce type, utiliser des résines plus souples que dans l'art antérieur, possédant une meilleure capacité d'amortissement des vibrations.We can then, with rails of this type, use resins more flexible than in the prior art, possessing better damping capacity of the vibrations.

Claims (10)

Rail à gorge s'étendant longitudinalement, comprenant une partie inférieure formant une semelle (10) de forme allongée dans une direction transversale, une partie intermédiaire formant une âme (20), et une partie supérieure formant d'un premier côté transversal un champignon (30) et d'un second côté transversal opposé au premier une bavette (40), la bavette (40) et le champignon (30) définissant entre eux une gorge (50), caractérisé en ce que la semelle (10), considérée en coupe dans un plan perpendiculaire à l'axe longitudinal est dissymétrique par rapport à un axe central (61) perpendiculaire à la direction transversale et contenant un centre (C) autour duquel l'effort transversal appliqué sur le rail par un convoi roulant sur celui-ci crée un moment de rotation (M).A longitudinally extending groove rail comprising a lower portion forming a sole (10) of elongated shape in a transverse direction, an intermediate portion forming a core (20), and an upper portion forming a first mushroom head ( 30) and a second transverse side opposite the first one flap (40), the flap (40) and the mushroom (30) defining between them a groove (50), characterized in that the sole (10), considered in section in a plane perpendicular to the longitudinal axis is asymmetrical with respect to a central axis (61) perpendicular to the transverse direction and containing a center (C) around which the transverse force applied to the rail by a convoy rolling on the it creates a moment of rotation (M). Rail selon la revendication 1, caractérisé en ce que l'axe central (61) divise la semelle (10) en une première partie (11) du côté du champignon (30) et une seconde partie (12) du côté de la bavette (40), ces parties présentant respectivement des première et seconde largeurs transversales, la première largeur étant supérieure à la seconde.Rail according to claim 1, characterized in that the central axis (61) divides the sole (10) into a first part (11) on the mushroom side (30) and a second part (12) on the side of the end plate ( 40), these portions respectively having first and second transverse widths, the first width being greater than the second. Rail selon la revendication 2, caractérisée en ce que la première largeur est supérieure à la seconde d'au moins 4 centièmes de la largeur transversale totale de la semelle (10).Rail according to claim 2, characterized in that the first width is greater than the second by at least 4 hundredths of the total transverse width of the sole (10). Rail selon la revendication 2 ou 3, caractérisée en ce que la première largeur est supérieure à la seconde d'au moins 5 millimètres.Rail according to claim 2 or 3, characterized in that the first width is greater than the second of at least 5 millimeters. Rail selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'axe central (61) divise la partie supérieure du rail de telle sorte que le champignon (30) se trouve d'un premier côté de l'axe central (61) , et la gorge (50) et la bavette (30) d'un second côté de l'axe central (61) opposé au premier.Rail according to any one of claims 1 to 4, characterized in that the central axis (61) divides the upper part of the rail so that the mushroom (30) is on a first side of the central axis (61), and the groove (50) and the flap (30) of a second side of the central axis (61) opposite the first. Rail selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le champignon (30) et la bavette (40) s'inscrivent entre des premiers et seconds axes (62, 63) perpendiculaires à la direction transversale, l'axe central (61) étant l'axe médian des premier et second axes (62, 63).Rail according to any one of claims 1 to 4, characterized in that the mushroom (30) and the flap (40) are inscribed between first and second axes (62, 63) perpendicular to the transverse direction, the axis center (61) being the median axis of the first and second axes (62, 63). Rail selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est non inertiel.Rail according to any one of the preceding claims, characterized in that it is non-inertial. Rail selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il présente une hauteur perpendiculairement à la direction transversale inférieure à 100 millimètres, et une largeur transversale supérieure à sa hauteur.Rail according to any one of the preceding claims, characterized in that it has a height perpendicular to the transverse direction less than 100 millimeters, and a transverse width greater than its height. Rail selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il est inertiel et présente une âme (20) qui, considérée en coupe dans un plan perpendiculaire à la direction longitudinale, s'étend sur une faible largeur autour d'un axe principal (64), ledit axe central (61) correspondant alors à l'axe principal (64).Rail according to any one of claims 1 to 4, characterized in that it is inertial and has a core (20) which, viewed in section in a plane perpendicular to the longitudinal direction, extends over a narrow width around a main axis (64), said central axis (61) then corresponding to the main axis (64). Application à la constitution d'une voie ferrée comprenant au moins une engravure (71), un rail (72) selon l'une quelconque des revendications 2 à 8 disposé dans l'engravure (71), et un matériau élastique (73) remplissant l'engravure (71) autour du rail (72), le rail (72) étant en appui continu sur le matériau élastique (73).Application to the constitution of a railway comprising at least one engravure (71), a rail (72) according to any of claims 2 to 8 disposed in the engravure (71), and an elastic material (73) filling the engravure (71) around the rail (72), the rail (72) being continuous support on the elastic material (73).
EP04290758.4A 2003-03-25 2004-03-22 Railway track having a grooved asymmetrical rail Expired - Lifetime EP1462570B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0303624 2003-03-25
FR0303624A FR2852978B1 (en) 2003-03-25 2003-03-25 DISSYMMETRIC SOLE RAIL AND APPLICATION TO THE CONSTITUTION OF A RAILWAY

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EP1462570A1 true EP1462570A1 (en) 2004-09-29
EP1462570B1 EP1462570B1 (en) 2019-06-05

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EP (1) EP1462570B1 (en)
ES (1) ES2744205T3 (en)
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PT (1) PT1462570T (en)

Cited By (8)

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WO2006034518A1 (en) * 2004-09-29 2006-04-06 Voestalpine Schienen Gmbh Running rail for a rail trough
DE102004054794B3 (en) * 2004-11-12 2006-04-20 Thyssenkrupp Gft Gleistechnik Gmbh grooved rail
FR2922229A1 (en) * 2007-10-15 2009-04-17 Vossloh Cogifer Sa GLOVES RAILS
EP2298991A1 (en) 2009-09-18 2011-03-23 Angst und Pfister AG Chamfer rail with protective inlay
DE102012106138A1 (en) 2012-07-09 2014-01-09 Dätwyler Sealing Technologies Deutschland Gmbh rail arrangement
DE102017111298A1 (en) 2017-05-23 2018-11-29 Dätwyler Sealing Technologies Deutschland Gmbh Rail arrangement for rail vehicles with flange wheels
EP3617404A1 (en) * 2018-08-31 2020-03-04 Süß Joachim Rail and track structure with the rail
US20220228627A1 (en) * 2021-01-21 2022-07-21 Flexspace 360 Universal rail for mobile racking

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Publication number Priority date Publication date Assignee Title
FR2990704B1 (en) 2012-05-16 2015-06-05 Etf Eurovia Travaux Ferroviaires METHOD FOR CONSTRUCTING A RAILWAY
DE102018121333A1 (en) * 2018-08-31 2020-03-05 Joachim Süss Track construction and running rail

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DE70438C (en) * georgs - marien Bergwerks- & Hüttenverein in Osnabrück Railway superstructure made of rails, one of which only coincides with the plane of symmetry of the rail foot
FR2708296A1 (en) * 1993-07-27 1995-02-03 Cogifer Track rail for guided vehicle tracks
EP1217126A1 (en) * 2000-11-23 2002-06-26 Cogifer TF Railway track for guided vehicle and apparatus comprising such a track

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DE535754C (en) * 1928-12-18 1931-10-15 Kuehn Gottfried Composite grooved rail
FR2827879B1 (en) * 2001-07-26 2004-08-06 Cogifer GROOVE RAIL FOR RAILWAYS AND USE OF SUCH A RAIL FOR REALIZING A RAILWAY NETWORK IN URBAN OR PERI-URBAN AREA

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DE70438C (en) * georgs - marien Bergwerks- & Hüttenverein in Osnabrück Railway superstructure made of rails, one of which only coincides with the plane of symmetry of the rail foot
FR2708296A1 (en) * 1993-07-27 1995-02-03 Cogifer Track rail for guided vehicle tracks
EP1217126A1 (en) * 2000-11-23 2002-06-26 Cogifer TF Railway track for guided vehicle and apparatus comprising such a track

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034518A1 (en) * 2004-09-29 2006-04-06 Voestalpine Schienen Gmbh Running rail for a rail trough
DE102004054794B3 (en) * 2004-11-12 2006-04-20 Thyssenkrupp Gft Gleistechnik Gmbh grooved rail
WO2006050693A1 (en) * 2004-11-12 2006-05-18 Thyssenkrupp Gft Gleistechnik Gmbh Grooved rail
AU2005304143B2 (en) * 2004-11-12 2009-12-03 Thyssenkrupp Gft Gleistechnik Gmbh Grooved rail
US7648079B2 (en) 2004-11-12 2010-01-19 Thyssenkrupp Gft Gleistechnik Gmbh Grooved rail
FR2922229A1 (en) * 2007-10-15 2009-04-17 Vossloh Cogifer Sa GLOVES RAILS
EP2050871A1 (en) * 2007-10-15 2009-04-22 Vossloh Cogifer Grooved rail
EP2298991A1 (en) 2009-09-18 2011-03-23 Angst und Pfister AG Chamfer rail with protective inlay
DE102012106138A1 (en) 2012-07-09 2014-01-09 Dätwyler Sealing Technologies Deutschland Gmbh rail arrangement
WO2014008890A2 (en) 2012-07-09 2014-01-16 Dätwyler Sealing Technologies Deutschland Gmbh Rail arrangement
DE102012106138B4 (en) * 2012-07-09 2016-09-22 Dätwyler Sealing Technologies Deutschland Gmbh rail arrangement
US9873988B2 (en) 2012-07-09 2018-01-23 Daetwyler Sealing Technologies Deutschland Gmbh Rail arrangement
DE102017111298A1 (en) 2017-05-23 2018-11-29 Dätwyler Sealing Technologies Deutschland Gmbh Rail arrangement for rail vehicles with flange wheels
WO2018215033A2 (en) 2017-05-23 2018-11-29 Dätwyler Sealing Technologies Deutschland Gmbh Rail assembly for rail vehicles having flanged wheels
US11891760B2 (en) 2017-05-23 2024-02-06 Daetwyler Sealing Technologies Deutschland Gmbh Rail assembly for rail vehicles having flanged wheels
EP3617404A1 (en) * 2018-08-31 2020-03-04 Süß Joachim Rail and track structure with the rail
US20220228627A1 (en) * 2021-01-21 2022-07-21 Flexspace 360 Universal rail for mobile racking

Also Published As

Publication number Publication date
ES2744205T3 (en) 2020-02-24
EP1462570B1 (en) 2019-06-05
FR2852978A1 (en) 2004-10-01
FR2852978B1 (en) 2006-08-25
PT1462570T (en) 2019-09-19

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