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EP2305885A2 - Device for maintaining the spacing of railway rails - Google Patents

Device for maintaining the spacing of railway rails Download PDF

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Publication number
EP2305885A2
EP2305885A2 EP10176939A EP10176939A EP2305885A2 EP 2305885 A2 EP2305885 A2 EP 2305885A2 EP 10176939 A EP10176939 A EP 10176939A EP 10176939 A EP10176939 A EP 10176939A EP 2305885 A2 EP2305885 A2 EP 2305885A2
Authority
EP
European Patent Office
Prior art keywords
piece
locking
faces
bar
mounting means
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.)
Withdrawn
Application number
EP10176939A
Other languages
German (de)
French (fr)
Other versions
EP2305885A3 (en
Inventor
Edmond Mahikian
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.)
Vape Rail International en Abrege VRI SAS
Original Assignee
Vape Rail International en Abrege VRI SAS
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 Vape Rail International en Abrege VRI SAS filed Critical Vape Rail International en Abrege VRI SAS
Publication of EP2305885A2 publication Critical patent/EP2305885A2/en
Publication of EP2305885A3 publication Critical patent/EP2305885A3/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E01B5/16—Distance keepers

Definitions

  • the present invention relates to a device for maintaining the spacing of railway rails.
  • Such a device is used to temporarily maintain the spacing of two rails of a railroad track when it has been found a defect in the anchoring of a rail. It comprises a bar of greater length than the spacing of the rails, two pieces mounted on this bar, support against the soles of the rails, or two pairs of such parts each forming a jaw engaged on both sides of the rails. the soleplate of a rail, and immobilizing members of the gripping parts relative to the bar, including nuts screwed on threaded portions of the bar. Since the rails are used for the routing of electrical signals, the parts of the contact pieces in contact with the rails are made of electrically insulating material, so that the resumption bars do not interfere with this path.
  • bearing part comprising a body of synthetic material, which forms on a first side a housing for engaging the workpiece on one side of the sole of a rail, and a metal reinforcing plate, integral with the body on a second side, opposite to the first side.
  • a bearing part comprising a body of synthetic material, which forms on a first side a housing for engaging the workpiece on one side of the sole of a rail, and a metal reinforcing plate, integral with the body on a second side, opposite to the first side.
  • the bearing pieces of the existing resumption bars have the disadvantage of not completely satisfactory, not preventing the loosening of a clamping nut of a gripping piece.
  • the present invention aims to remedy this disadvantage.
  • bearing parts have an uncertain resistance over time given the large and repeated efforts they undergo during the passage of the trains (a recovery bar can be left in place for a relatively long time, the time the repair is scheduled and completed).
  • the present invention also aims to remedy this drawback.
  • the device concerned comprises, in a manner known per se, a bar of greater length than the spacing of the rails, two parts mounted on this bar, bearing against the soles of the rails, or two pairs of such pieces each forming a jaw engaged on both sides of the sole of a rail, and immobilizing members of the bearing grips relative to the bar.
  • At least one bearing grip comprises first sliding mounting means of a locking piece of said immobilizing member with respect to said bar, this locking piece comprising second own sliding mounting means. engaging with said first sliding mounting means, and including a self-locking zone to engage said immobilizer; said first sliding mounting means and second sliding mounting means, when in engagement, allow sliding of the locking member between a non-locking position, wherein said locking area is not engaged with said member immobilizer, and a locking position, wherein said locking zone is engaged with said immobilizer.
  • the device according to the invention thus makes it possible to prevent a play of said immobilizing member, in particular, when this immobilizing member is a nut, the loosening of this nut.
  • the sliding assembly makes it easy to mount the locking piece on the support bearing piece and then to bring it, by simply sliding, in the locking position.
  • said locking piece comprises at least one own latching part, in locking position of this part, to snap on the immobilizing member.
  • said immobilizing member being a nut engaged on the bar
  • said locking piece comprises two own latching parts, in locking position, to snap into two locations of the nut remote the one of the other, especially diametrically opposed.
  • Said bearing piece thus has a metal body, which can be manufactured in one piece by machining or forging, and having a high strength, able to withstand the large and repeated efforts that the piece undergoes during the passage of trains.
  • the sheath does not participate in the resistance of the support part and its sole function is to provide the necessary electrical insulation between this piece and the rail.
  • the intermediate branch of the body advantageously has a width substantially equal to that of the tubular branch and is thus connected to this tubular branch by a zone extending substantially over half the circumference of this tubular branch.
  • the connecting surface of the intermediate branch to the tubular branch is therefore very important, allowing the intermediate branch to be perfectly integral with the tubular branch.
  • width it should be understood the dimension of the intermediate branch in the direction transverse to the axis of the conduit formed by the tubular branch.
  • the intermediate branch can be connected to the tubular branch, on the side on which it extends relative to this intermediate branch, by a rounded wall.
  • This rounded wall also has the function of increasing the connecting surface of the intermediate branch to the tubular branch.
  • the other lateral branch of the body may have a width substantially equal to that of said intermediate branch, and / or on the side on which it extends relative to the intermediate branch. , be connected to this intermediate branch by a rounded wall.
  • the tubular branch may comprise, on its side facing said other lateral branch, a flat part allowing a stable support against the sole of a rail.
  • the sheath comprises walls forming a cavity and defining an opening, said body being intended to be engaged in said cavity by said opening; said walls are, when the body is fully engaged in the cavity, adapted to match all the faces of the body defining said housing and the faces of this body parallel to the axis of the duct defined by said tubular branch.
  • An extended contact surface is thus obtained between the sheath and the body, ensuring an assembly of this sheath and this body.
  • the insulating material constituting the sheath may have a high coefficient of friction, reinforcing this assembly, and / or the cavity delimited by the sheath may have dimensions slightly smaller than those of the body so as to generate a wedging of the body in the sheath when this body is completely engaged in this sheath.
  • the figure 1 represents a device 1 for maintaining the rail gauge 100 of a railway track used to temporarily maintain the spacing of the two rails 100 when a defect in the anchoring of a rail has been noted.
  • the device 1 comprises a bar 2 of greater length than the distance of the rails 100, two pairs of jaws 3 mounted on this bar 2, each of which is adapted to grip the base of a rail 100, each jaw 3 being formed of two 4 bearing parts against the sole of a rail 100, and nuts 5 for holding these parts 4 in the clamping position around these rail flanges.
  • the bar 2 comprises threaded portions extending on either side of the zones of this bar that may be occupied by the parts 4, between the position shown in these parts 4, in which they clamp the flanges of the rails 100, and the disassembly position of the device 1, in which they are sufficiently spaced from each other to be removed from around the flanges of the rails 100.
  • the nuts 5 are screwed on these threaded portions to maintain the parts 4 in the clamping position, and are connected to sleeves 6 to protect these threaded areas.
  • the pieces 4 are all identical to each other, and the Figures 2 to 5 show one of them.
  • the part 4 comprises a body 10 formed by a single piece and a sheath 11 adapted to be fitly engaged on the body 10.
  • the latter is metal and is manufactured in one piece by machining or forging. It has a side view of a shape of "C" and thus delimits a housing 12 allowing the engagement of the part 4 on the sole of a rail 100.
  • the lower lateral branch 10a of the body 10 is tubular and thus forms a duct 13 allowing the engagement of the workpiece 4 on the bar 2.
  • the intermediate branch 10b of the body 10 has a width substantially equal to that of the tubular branch 10a and is thus connected to this branch continuously, by a zone extending substantially over half the circumference of this tubular branch.
  • This intermediate branch 10b is also connected to the tubular branch 10a, on the side on which it extends relative to this intermediate branch, by a rounded wall 15 also having the function of increasing the connecting surface of the branch intermediate 10b to the tubular branch 10a.
  • the upper branch 10c of the body 10 has a width substantially equal to that of said intermediate branch 10b, and on the side on which it extends relative to the intermediate branch 10b, is connected to this intermediate branch by a rounded wall 16.
  • the sheath 11 is made of an electrically insulating material, in particular a synthetic material such as a polymer. It comprises walls 11a forming a cavity 20 fitted to the body 10, which define a lateral opening 21 for introducing this body into this cavity. As it appears on the figure 5 , the walls 11a are, when the body 10 is completely engaged in the cavity 20, adapted to match all the faces of the body defining the housing 12 and the faces of this body parallel to the axis of the conduit 13 delimited by the tubular branch 10a.
  • the sheath 11 also comprises an opening 22 coming opposite the corresponding opening of the duct 13 when the body 10 is completely engaged in the cavity 20.
  • ribs 23 forming a body with it, arranged on its walls 11a adapted to cover said body faces 10 parallel to the axis of the duct 13, these ribs 23 jointly forming a slideway parallel to the longitudinal direction of the intermediate branch 10b of the part 10.
  • the ribs 23 thus constitute first sliding mounting means.
  • FIGS. 6 and 7 show a blocking piece 25 fitted to each support part 4. It comprises upper parts 26 and lower 27 in the form of stirrups, integral with each other, the assembly being in one piece, in particular produced by molding a synthetic material. This synthetic material has a slight possibility of elastic deformation.
  • the upper portion 26 includes two side walls 26a whose free ends comprise, on the faces of these walls 26a facing each other, parallel ribs 30. These walls 26a allow the engagement of the portion 26 on the piece 4, the ribs 30 being adapted to engage behind the ribs 23 and slide along them. These ribs 30 thus constitute second sliding mounting means.
  • the central wall of the upper portion 26 has two angled faces, forming, with the portion 27, a hexagonal housing 32 adapted to receive the faceted reception of a nut 5, as described below.
  • the lower portion 27 includes two side walls 27a whose free ends comprise, on the faces of these walls 27a facing each other, parallel ribs 31.
  • the central wall of this lower portion 27 has two angled faces extending those of the central wall of the upper part 26, which form, with the faces of the walls 27a facing one another, four faces of said hexagonal housing 32.
  • each locking piece 25 is put in place on a corresponding part 4 (cf. Figures 8 and 9 ), having descended along the intermediate branch thereof until engagement of the ribs 30 of this piece 5 behind the ribs 23 of the part 4.
  • the ribs 31 bear against the facets of the nut 5 and are elastically separated from each other by these (cf. figure 10 ).
  • the sliding of the part 25 is continued until engagement of the nut 5 in the housing 32, in which position the ribs 31 of the walls 27a snap behind facets of the nut 5 (cf. figure 11 ). The piece 25 is thus kept locked in this position.
  • the device 1 makes it possible, by means of each locking piece 25, to prevent loosening of the nut 5, and the sliding mounting of this piece 25 makes it possible to easily place the latter in place on the piece 4 and then bring it, by simple sliding, in the locking position.
  • each bearing part 4 has a metal body 10 having a high strength, able to withstand the large and repeated efforts that the part 4 undergoes during the passage of trains.
  • the sheath 11 does not participate in the resistance of the bearing part and has the only function to provide the necessary electrical insulation between this piece 4 and the rail 100.
  • the invention thus provides a device 1 for maintaining the gauge of railway rails which overcomes the drawbacks of homologous devices of the prior art.

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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)
  • Braking Arrangements (AREA)

Abstract

The device has two supporting parts (4) mounted on a bar, and immobilization units i.e. nuts (5), immobilizing the supporting parts with respect to the bar. Each supporting part includes a set of sliding mounting units (23), and a blocking part (25) includes another set of sliding mounting units (30). The sliding mounting units are arranged in a support to allow sliding of the blocking part between a non-locking position, in which a blocking zone (27) is not in support with the immobilization unit, and a locking position in which the blocking zone is in support with the immobilization unit. The blocking part is molded by using a synthetic material.

Description

La présente invention concerne un dispositif de maintien de l'écartement de rails de chemin de fer.The present invention relates to a device for maintaining the spacing of railway rails.

Un tel dispositif, dénommé "barre de reprise", est utilisé pour maintenir provisoirement l'écartement de deux rails d'une voie de chemin de fer lorsqu'il a été constaté un défaut dans l'ancrage d'un rail. Il comprend une barre de longueur supérieure à l'écartement des rails, deux pièces montées sur cette barre, de prise d'appui contre les semelles des rails, ou deux paires de telles pièces formant chacune une mâchoire engagée de part et d'autre de la semelle d'un rail, et des organes d'immobilisation des pièces de prise d'appui par rapport à la barre, notamment des écrous vissés sur des portions filetées de la barre. Les rails étant utilisés pour le cheminement de signaux électriques, les parties des pièces de prise d'appui en contact avec les rails sont en matériau électriquement isolant, afin que les barres de reprise n'interfèrent pas avec ce cheminement.Such a device, called "recovery bar", is used to temporarily maintain the spacing of two rails of a railroad track when it has been found a defect in the anchoring of a rail. It comprises a bar of greater length than the spacing of the rails, two pieces mounted on this bar, support against the soles of the rails, or two pairs of such parts each forming a jaw engaged on both sides of the rails. the soleplate of a rail, and immobilizing members of the gripping parts relative to the bar, including nuts screwed on threaded portions of the bar. Since the rails are used for the routing of electrical signals, the parts of the contact pieces in contact with the rails are made of electrically insulating material, so that the resumption bars do not interfere with this path.

Il existe notamment une pièce de prise d'appui comprenant un corps en matière synthétique, qui forme sur un premier côté un logement permettant l'engagement de la pièce sur un côté de la semelle d'un rail, et une plaquette métallique de renforcement, solidaire du corps sur un deuxième côté, opposé au premier côté. De telles pièces de prises connues sont notamment divulguées dans les documents WO 2008/152578 et FR 2 920 790 .There is in particular a bearing part comprising a body of synthetic material, which forms on a first side a housing for engaging the workpiece on one side of the sole of a rail, and a metal reinforcing plate, integral with the body on a second side, opposite to the first side. Such known catch pieces are disclosed in particular in the documents WO 2008/152578 and FR 2 920 790 .

Les pièces de prise d'appui des barres de reprise existantes ont pour inconvénient de ne pas donner totalement satisfaction, ne permettant pas de prévenir le desserrage d'un écrou de serrage d'une pièce de prise d'appui.The bearing pieces of the existing resumption bars have the disadvantage of not completely satisfactory, not preventing the loosening of a clamping nut of a gripping piece.

La présente invention vise à remédier à cet inconvénient.The present invention aims to remedy this disadvantage.

Par ailleurs, les pièces de prise d'appui ont une résistance incertaine dans le temps compte tenu des efforts importants et répétés qu'elles subissent lors du passage des trains (une barre de reprise peut être laissée en place pendant une durée relativement importante, le temps que la réparation soit programmée et réalisée).Furthermore, the bearing parts have an uncertain resistance over time given the large and repeated efforts they undergo during the passage of the trains (a recovery bar can be left in place for a relatively long time, the time the repair is scheduled and completed).

La présente invention vise également à remédier à cet inconvénient.The present invention also aims to remedy this drawback.

Le dispositif concerné comprend, de manière connue en soi, une barre de longueur supérieure à l'écartement des rails, deux pièces montées sur cette barre, de prise d'appui contre les semelles des rails, ou deux paires de telles pièces formant chacune une mâchoire engagée de part et d'autre de la semelle d'un rail, et des organes d'immobilisation des pièces de prise d'appui par rapport à la barre.The device concerned comprises, in a manner known per se, a bar of greater length than the spacing of the rails, two parts mounted on this bar, bearing against the soles of the rails, or two pairs of such pieces each forming a jaw engaged on both sides of the sole of a rail, and immobilizing members of the bearing grips relative to the bar.

Selon l'invention, au moins une pièce de prise d'appui comprend des premiers moyens de montage coulissant d'une pièce de blocage dudit organe d'immobilisation par rapport à ladite barre, cette pièce de blocage comprenant des deuxièmes moyens de montage coulissant propres à venir en prise avec lesdits premiers moyens de montage coulissant, et comprenant une zone de blocage propre à venir en prise avec ledit organe d'immobilisation ; lesdits premiers moyens de montage coulissant et deuxièmes moyens de montage coulissant, lorsqu'ils sont en prise, permettent le coulissement de la pièce de blocage entre une position de non verrouillage, dans laquelle ladite zone de blocage n'est pas en prise avec ledit organe d'immobilisation, et une position de verrouillage, dans laquelle ladite zone de blocage est en prise avec ledit organe d'immobilisation.According to the invention, at least one bearing grip comprises first sliding mounting means of a locking piece of said immobilizing member with respect to said bar, this locking piece comprising second own sliding mounting means. engaging with said first sliding mounting means, and including a self-locking zone to engage said immobilizer; said first sliding mounting means and second sliding mounting means, when in engagement, allow sliding of the locking member between a non-locking position, wherein said locking area is not engaged with said member immobilizer, and a locking position, wherein said locking zone is engaged with said immobilizer.

Le dispositif selon l'invention permet ainsi de prévenir une prise de jeu dudit organe d'immobilisation, en particulier, lorsque cet organe d'immobilisation est un écrou, le desserrage de cet écrou. Le montage coulissant permet de facilement monter la pièce de blocage sur la pièce de prise d'appui puis de l'amener, par simple coulissement, en position de verrouillage.The device according to the invention thus makes it possible to prevent a play of said immobilizing member, in particular, when this immobilizing member is a nut, the loosening of this nut. The sliding assembly makes it easy to mount the locking piece on the support bearing piece and then to bring it, by simply sliding, in the locking position.

De préférence, dans ce cas, ladite pièce de blocage comprend au moins une partie d'encliquetage propre, en position de verrouillage de cette pièce, à s'encliqueter sur l'organe d'immobilisation.Preferably, in this case, said locking piece comprises at least one own latching part, in locking position of this part, to snap on the immobilizing member.

Le maintien de la pièce de blocage en position de verrouillage est ainsi assuré.The holding of the locking piece in the locking position is thus ensured.

Avantageusement, dans ce cas, ledit organe d'immobilisation étant un écrou engagé sur la barre, ladite pièce de blocage comprend deux parties d'encliquetage propres, en position de verrouillage, à s'encliqueter en deux emplacements de l'écrou distants l'un de l'autre, notamment diamétralement opposés.Advantageously, in this case, said immobilizing member being a nut engaged on the bar, said locking piece comprises two own latching parts, in locking position, to snap into two locations of the nut remote the one of the other, especially diametrically opposed.

Selon un autre aspect de l'invention, au moins une pièce de prise d'appui présente une forme de "C" vue de côté et délimite ainsi un logement permettant l'engagement de la pièce sur la semelle d'un rail, cette pièce de prise d'appui comprenant :

  • un corps formé par une pièce unique de métal, dont l'une des branches latérales est tubulaire et permet l'engagement de la pièce sur ladite barre, et
  • une gaine en matière électriquement isolante, propre à être engagée de manière ajustée sur l'ensemble des faces dudit corps venant en contact avec le rail.
According to another aspect of the invention, at least one support part has a shape of "C" seen from the side and thus delimits a housing allowing the engagement of the part on the sole of a rail, this piece support bearing comprising:
  • a body formed by a single piece of metal, one of whose side branches is tubular and allows the engagement of the workpiece on said bar, and
  • a sheath of electrically insulating material adapted to be fitly engaged to all faces of said body coming into contact with the rail.

Ladite pièce de prise d'appui présente ainsi un corps en métal, pouvant être fabriqué en une seule pièce par usinage ou forgeage, et présentant une résistance élevée, à même de parfaitement supporter les efforts importants et répétés que la pièce subit lors du passage des trains. La gaine ne participe pas à la résistance de la pièce de prise d'appui et a pour seule fonction de procurer l'isolation électrique nécessaire entre cette pièce et le rail.Said bearing piece thus has a metal body, which can be manufactured in one piece by machining or forging, and having a high strength, able to withstand the large and repeated efforts that the piece undergoes during the passage of trains. The sheath does not participate in the resistance of the support part and its sole function is to provide the necessary electrical insulation between this piece and the rail.

La branche intermédiaire du corps présente avantageusement une largeur sensiblement égale à celle de la branche tubulaire et est ainsi raccordée à cette branche tubulaire par une zone s'étendant sensiblement sur la moitié de la circonférence de cette branche tubulaire.The intermediate branch of the body advantageously has a width substantially equal to that of the tubular branch and is thus connected to this tubular branch by a zone extending substantially over half the circumference of this tubular branch.

La surface de raccordement de la branche intermédiaire à la branche tubulaire est par conséquent très importante, permettant à la branche intermédiaire de faire parfaitement corps avec la branche tubulaire.The connecting surface of the intermediate branch to the tubular branch is therefore very important, allowing the intermediate branch to be perfectly integral with the tubular branch.

Il se comprend que par "largeur", il doit être entendu la dimension de la branche intermédiaire dans le sens transversal à l'axe du conduit formé par la branche tubulaire.It is understood that by "width", it should be understood the dimension of the intermediate branch in the direction transverse to the axis of the conduit formed by the tubular branch.

La branche intermédiaire peut être raccordée à la branche tubulaire, sur le côté sur lequel celle-ci s'étend par rapport à cette branche intermédiaire, par une paroi arrondie. Cette paroi arrondie a également pour fonction d'augmenter la surface de raccordement de la branche intermédiaire à la branche tubulaire.The intermediate branch can be connected to the tubular branch, on the side on which it extends relative to this intermediate branch, by a rounded wall. This rounded wall also has the function of increasing the connecting surface of the intermediate branch to the tubular branch.

Dans les mêmes buts que ceux mentionnés ci-dessus, l'autre branche latérale du corps peut présenter une largeur sensiblement égale à celle de ladite branche intermédiaire, et/ou, sur le côté sur lequel elle s'étend par rapport à la branche intermédiaire, être raccordée à cette branche intermédiaire par une paroi arrondie.For the same purposes as those mentioned above, the other lateral branch of the body may have a width substantially equal to that of said intermediate branch, and / or on the side on which it extends relative to the intermediate branch. , be connected to this intermediate branch by a rounded wall.

La branche tubulaire peut comprendre, sur son côté tourné vers ladite autre branche latérale, un méplat permettant une prise d'appui stable contre la semelle d'un rail.The tubular branch may comprise, on its side facing said other lateral branch, a flat part allowing a stable support against the sole of a rail.

Avantageusement, la gaine comprend des parois formant une cavité et délimitant une ouverture, ledit corps étant destiné à être engagé dans ladite cavité par ladite ouverture ; lesdites parois sont, lorsque le corps est complètement engagé dans la cavité, propres à épouser l'ensemble des faces du corps délimitant ledit logement et les faces de ce corps parallèles à l'axe du conduit délimité par ladite branche tubulaire.Advantageously, the sheath comprises walls forming a cavity and defining an opening, said body being intended to be engaged in said cavity by said opening; said walls are, when the body is fully engaged in the cavity, adapted to match all the faces of the body defining said housing and the faces of this body parallel to the axis of the duct defined by said tubular branch.

Une surface de contact étendue est ainsi obtenue entre la gaine et le corps, assurant un assemblage de cette gaine et de ce corps.An extended contact surface is thus obtained between the sheath and the body, ensuring an assembly of this sheath and this body.

Le matériau isolant constituant la gaine peut avoir un coefficient de friction élevé, renforcement cet assemblage, et/ou la cavité délimitée par la gaine peut présenter des dimensions légèrement inférieures à celles du corps de manière à générer un coincement du corps dans la gaine lorsque ce corps est complètement engagé dans cette gaine.The insulating material constituting the sheath may have a high coefficient of friction, reinforcing this assembly, and / or the cavity delimited by the sheath may have dimensions slightly smaller than those of the body so as to generate a wedging of the body in the sheath when this body is completely engaged in this sheath.

L'invention sera bien comprise, et d'autres caractéristiques et avantages de celle-ci apparaîtront, en référence au dessin schématique annexé, représentant, à titre d'exemple non limitatif, une forme de réalisation préférée du dispositif qu'elle concerne.

  • La figure 1 en est une vue générale après mise en place autour de deux rails d'une voie ferrée ;
  • la figure 2 est une vue en perspective, à échelle agrandie, d'une pièce de prise d'appui que comprend ce dispositif, avant montage d'un corps que comprend cette pièce dans une gaine que comprend également cette pièce ;
  • la figure 3 est une vue similaire à la figure 2, sous un autre angle ;
  • la figure 4 est une vue similaire à la figure 2, après montage du corps dans la gaine ;
  • la figure 5 est une vue de la pièce en coupe de prise d'appui selon la ligne V-V de la figure 4 ;
  • la figure 6 est une vue en perspective d'une pièce de blocage que comprend le dispositif ;
  • la figure 7 est une vue similaire à la figure 6, sous un autre angle ;
  • la figure 8 est une vue en perspective de la pièce de prise d'appui, de la pièce de blocage montée sur cette pièce de prise d'appui et d'un écrou à manchon que comprend également le dispositif, dans une position de non verrouillage de la pièce de blocage ;
  • la figure 9 est une vue similaire à la figure 8, sous un autre angle ;
  • la figure 10 est une vue de ce même ensemble, selon l'axe de l'écrou, dans une position intermédiaire, et
  • la figure 11 est une vue de ce même ensemble en perspective, similaire à la figure 8, dans une position de verrouillage de la pièce de blocage.
The invention will be better understood, and other features and advantages thereof will appear, with reference to the accompanying drawing, showing, by way of non-limiting example, a preferred embodiment of the device it relates.
  • The figure 1 is a general view after placement around two rails of a railway;
  • the figure 2 is a perspective view, on an enlarged scale, of a gripping piece that includes this device, before mounting a body that includes this piece in a sheath that also includes this piece;
  • the figure 3 is a view similar to the figure 2 , From another angle ;
  • the figure 4 is a view similar to the figure 2 after mounting the body in the sheath;
  • the figure 5 is a view of the support grab section along line VV of the figure 4 ;
  • the figure 6 is a perspective view of a locking piece that comprises the device;
  • the figure 7 is a view similar to the figure 6 , From another angle ;
  • the figure 8 is a perspective view of the gripping piece, the locking piece mounted on the support bearing piece and a sleeve nut which also comprises the device, in a non-locking position of the piece blocking;
  • the figure 9 is a view similar to the figure 8 , From another angle ;
  • the figure 10 is a view of the same assembly, along the axis of the nut, in an intermediate position, and
  • the figure 11 is a view of this same set in perspective, similar to the figure 8 in a locking position of the locking piece.

La figure 1 représente un dispositif 1 de maintien de l'écartement de rails 100 d'une voie de chemin de fer, utilisé pour maintenir provisoirement l'écartement des deux rails 100 lorsqu'il a été constaté un défaut dans l'ancrage d'un rail.The figure 1 represents a device 1 for maintaining the rail gauge 100 of a railway track used to temporarily maintain the spacing of the two rails 100 when a defect in the anchoring of a rail has been noted.

Le dispositif 1 comprend une barre 2 de longueur supérieure à l'écartement des rails 100, deux paires de mâchoires 3 montées sur cette barre 2, dont chacune est propre à enserrer la base d'un rail 100, chaque mâchoire 3 étant formée de deux pièces 4 de prise d'appui contre la semelle d'un rail 100, et des écrous 5 de maintien de ces pièces 4 en position de serrage autour de ces semelles de rails.The device 1 comprises a bar 2 of greater length than the distance of the rails 100, two pairs of jaws 3 mounted on this bar 2, each of which is adapted to grip the base of a rail 100, each jaw 3 being formed of two 4 bearing parts against the sole of a rail 100, and nuts 5 for holding these parts 4 in the clamping position around these rail flanges.

La barre 2 comprend des portions filetées s'étendant de part et d'autre des zones de cette barre susceptibles d'être occupées par les pièces 4, entre la position représentée de ces pièces 4, dans laquelle elles serrent les semelles des rails 100, et la position de démontage du dispositif 1, dans laquelle elles sont écartés suffisamment l'une de l'autre pour être retirées d'autour des semelles des rails 100.The bar 2 comprises threaded portions extending on either side of the zones of this bar that may be occupied by the parts 4, between the position shown in these parts 4, in which they clamp the flanges of the rails 100, and the disassembly position of the device 1, in which they are sufficiently spaced from each other to be removed from around the flanges of the rails 100.

Les écrous 5 sont vissés sur ces portions filetées, afin de maintenir les pièces 4 dans la position de serrage, et sont reliés à des manchons 6 permettant de protéger ces zones filetées.The nuts 5 are screwed on these threaded portions to maintain the parts 4 in the clamping position, and are connected to sleeves 6 to protect these threaded areas.

Les pièces 4 sont toutes identiques entre elles, et les figures 2 à 5 montrent l'une d'elles. Comme cela est représenté, la pièce 4 comprend un corps 10 formé par une pièce unique et une gaine 11 propre à être engagée de manière ajustée sur le corps 10.The pieces 4 are all identical to each other, and the Figures 2 to 5 show one of them. As shown, the part 4 comprises a body 10 formed by a single piece and a sheath 11 adapted to be fitly engaged on the body 10.

Ce dernier est en métal et est fabriqué en une seule pièce par usinage ou forgeage. Il présente vu de côté une forme de "C" et délimite ainsi un logement 12 permettant l'engagement de la pièce 4 sur la semelle d'un rail 100.The latter is metal and is manufactured in one piece by machining or forging. It has a side view of a shape of "C" and thus delimits a housing 12 allowing the engagement of the part 4 on the sole of a rail 100.

La branche latérale inférieure 10a du corps 10 est tubulaire et forme ainsi un conduit 13 permettant l'engagement de la pièce 4 sur la barre 2. Sur sa face tournée vers la branche latérale supérieure 10c, elle comprend un méplat 14 permettant une prise d'appui stable contre la semelle d'un rail 100.The lower lateral branch 10a of the body 10 is tubular and thus forms a duct 13 allowing the engagement of the workpiece 4 on the bar 2. On its face turned towards the upper lateral branch 10c, it comprises a flat part 14 allowing a grip of stable support against the sole of a rail 100.

La branche intermédiaire 10b du corps 10 présente une largeur sensiblement égale à celle de la branche tubulaire 10a et est ainsi raccordée à cette branche de manière continue, par une zone s'étendant sensiblement sur la moitié de la circonférence de cette branche tubulaire. Cette branche intermédiaire 10b est également raccordée à la branche tubulaire 10a, sur le côté sur lequel celle-ci s'étend par rapport à cette branche intermédiaire, par une paroi arrondie 15 ayant également pour fonction d'augmenter la surface de raccordement de la branche intermédiaire 10b à la branche tubulaire 10a.The intermediate branch 10b of the body 10 has a width substantially equal to that of the tubular branch 10a and is thus connected to this branch continuously, by a zone extending substantially over half the circumference of this tubular branch. This intermediate branch 10b is also connected to the tubular branch 10a, on the side on which it extends relative to this intermediate branch, by a rounded wall 15 also having the function of increasing the connecting surface of the branch intermediate 10b to the tubular branch 10a.

Dans le même but, la branche supérieure 10c du corps 10 présente une largeur sensiblement égale à celle de ladite branche intermédiaire 10b, et, sur le côté sur lequel elle s'étend par rapport à la branche intermédiaire 10b, est raccordée à cette branche intermédiaire par une paroi arrondie 16.For the same purpose, the upper branch 10c of the body 10 has a width substantially equal to that of said intermediate branch 10b, and on the side on which it extends relative to the intermediate branch 10b, is connected to this intermediate branch by a rounded wall 16.

La gaine 11 est en une matière électriquement isolante, notamment une matière synthétique telle qu'un polymère. Elle comprend des parois 11a formant une cavité 20 ajustée au corps 10, qui délimitent une ouverture latérale 21 d'introduction de ce corps dans cette cavité. Ainsi que cela apparaît sur la figure 5, les parois 11a sont, lorsque le corps 10 est complètement engagé dans la cavité 20, propres à épouser l'ensemble des faces de ce corps délimitant le logement 12 et les faces de ce corps parallèles à l'axe du conduit 13 délimité par la branche tubulaire 10a.The sheath 11 is made of an electrically insulating material, in particular a synthetic material such as a polymer. It comprises walls 11a forming a cavity 20 fitted to the body 10, which define a lateral opening 21 for introducing this body into this cavity. As it appears on the figure 5 , the walls 11a are, when the body 10 is completely engaged in the cavity 20, adapted to match all the faces of the body defining the housing 12 and the faces of this body parallel to the axis of the conduit 13 delimited by the tubular branch 10a.

La gaine 11 comprend également une ouverture 22 venant en regard de l'ouverture correspondante du conduit 13 lorsque le corps 10 est complètement engagé dans la cavité 20.The sheath 11 also comprises an opening 22 coming opposite the corresponding opening of the duct 13 when the body 10 is completely engaged in the cavity 20.

En outre, elle comprend deux nervures latérales 23 formant corps avec elle, aménagées sur ses parois 11a propres à recouvrir lesdites faces du corps 10 parallèles à l'axe du conduit 13, ces nervures 23 formant conjointement une glissière parallèle à la direction longitudinale de la branche intermédiaire 10b de la pièce 10. Les nervures 23 constituent ainsi des premiers moyens de montage coulissant.In addition, it comprises two lateral ribs 23 forming a body with it, arranged on its walls 11a adapted to cover said body faces 10 parallel to the axis of the duct 13, these ribs 23 jointly forming a slideway parallel to the longitudinal direction of the intermediate branch 10b of the part 10. The ribs 23 thus constitute first sliding mounting means.

Les figures 6 et 7 montrent une pièce de blocage 25 équipant chaque pièce de prise d'appui 4. Elle comprend des parties supérieure 26 et inférieure 27 en forme d'étriers, solidaires l'une de l'autre, l'ensemble étant en une seule pièce, notamment réalisé par moulage d'une matière synthétique. Cette matière synthétique présente une légère possibilité de déformation élastique.The Figures 6 and 7 show a blocking piece 25 fitted to each support part 4. It comprises upper parts 26 and lower 27 in the form of stirrups, integral with each other, the assembly being in one piece, in particular produced by molding a synthetic material. This synthetic material has a slight possibility of elastic deformation.

La partie supérieure 26 inclut deux parois latérales 26a dont les extrémités libres comprennent, sur les faces de ces parois 26a en regard l'une de l'autre, des nervures parallèles 30. Ces parois 26a permettent l'engagement de la partie 26 sur la pièce 4, les nervures 30 étant propres à s'engager derrière les nervures 23 et à coulisser le long de celles-ci. Ces nervures 30 constituent ainsi des deuxièmes moyens de montage coulissant.The upper portion 26 includes two side walls 26a whose free ends comprise, on the faces of these walls 26a facing each other, parallel ribs 30. These walls 26a allow the engagement of the portion 26 on the piece 4, the ribs 30 being adapted to engage behind the ribs 23 and slide along them. These ribs 30 thus constitute second sliding mounting means.

La paroi centrale de la partie supérieure 26 présente deux faces angulées, formant, avec la partie 27, un logement hexagonal 32 adapté à la réception ajustée des facettes d'un écrou 5, comme décrit ci-dessous.The central wall of the upper portion 26 has two angled faces, forming, with the portion 27, a hexagonal housing 32 adapted to receive the faceted reception of a nut 5, as described below.

La partie inférieure 27 inclut deux parois latérales 27a dont les extrémités libres comprennent, sur les faces de ces parois 27a en regard l'une de l'autre, des nervures parallèles 31. La paroi centrale de cette partie inférieure 27 présente deux faces angulées prolongeant celles de la paroi centrale de la partie supérieure 26, qui forment, avec les faces des parois 27a en regard l'une de l'autre, quatre faces dudit logement hexagonal 32.The lower portion 27 includes two side walls 27a whose free ends comprise, on the faces of these walls 27a facing each other, parallel ribs 31. The central wall of this lower portion 27 has two angled faces extending those of the central wall of the upper part 26, which form, with the faces of the walls 27a facing one another, four faces of said hexagonal housing 32.

En pratique, comme le montrent les figures 8 à 11, la barre 2, les pièces 4 et les écrous 5 à manchons 6 étant en place, chaque pièce de blocage 25 est mise en place sur une pièce 4 correspondante (cf. figures 8 et 9), étant descendue le long de la branche intermédiaire de celle-ci jusqu'à engagement des nervures 30 de cette pièce 5 derrière les nervures 23 de la pièce 4. Au cours de cet engagement, les nervures 31 portent contre les facettes de l'écrou 5 et sont élastiquement écartées l'une de l'autre par celles-ci (cf. figure 10). Le coulissement de la pièce 25 est poursuivi jusqu'à engagement de l'écrou 5 dans le logement 32, position dans laquelle les nervures 31 des parois 27a s'encliquètent derrière des facettes de l'écrou 5 (cf. figure 11). La pièce 25 est ainsi maintenue verrouillée dans cette position.In practice, as shown by the Figures 8 to 11 , the bar 2, the parts 4 and the nuts 5 with sleeves 6 being in place, each locking piece 25 is put in place on a corresponding part 4 (cf. Figures 8 and 9 ), having descended along the intermediate branch thereof until engagement of the ribs 30 of this piece 5 behind the ribs 23 of the part 4. During this engagement, the ribs 31 bear against the facets of the nut 5 and are elastically separated from each other by these (cf. figure 10 ). The sliding of the part 25 is continued until engagement of the nut 5 in the housing 32, in which position the ribs 31 of the walls 27a snap behind facets of the nut 5 (cf. figure 11 ). The piece 25 is thus kept locked in this position.

Comme cela apparaît de ce qui précède, le dispositif 1 permet, au moyen de chaque pièce de blocage 25, de prévenir un desserrage de l'écrou 5, et le montage coulissant de cette pièce 25 permet de facilement mettre cette dernière en place sur la pièce 4 puis de l'amener, par simple coulissement, en position de verrouillage.As can be seen from the foregoing, the device 1 makes it possible, by means of each locking piece 25, to prevent loosening of the nut 5, and the sliding mounting of this piece 25 makes it possible to easily place the latter in place on the piece 4 and then bring it, by simple sliding, in the locking position.

De plus, chaque pièce de prise d'appui 4 présente un corps 10 en métal ayant une résistance élevée, à même de parfaitement supporter les efforts importants et répétés que la pièce 4 subit lors du passage des trains. La gaine 11 ne participe pas à la résistance de la pièce de prise d'appui et a pour seule fonction de procurer l'isolation électrique nécessaire entre cette pièce 4 et le rail 100.In addition, each bearing part 4 has a metal body 10 having a high strength, able to withstand the large and repeated efforts that the part 4 undergoes during the passage of trains. The sheath 11 does not participate in the resistance of the bearing part and has the only function to provide the necessary electrical insulation between this piece 4 and the rail 100.

L'invention fournit ainsi un dispositif 1 de maintien de l'écartement de rails de chemin de fer qui remédie aux inconvénients des dispositifs homologues de la technique antérieure.The invention thus provides a device 1 for maintaining the gauge of railway rails which overcomes the drawbacks of homologous devices of the prior art.

L'invention a été décrite ci-dessus en référence à une forme de réalisation donnée à titre d'exemple. Il va de soi qu'elle n'est pas limitée à cette forme de réalisation et qu'elle s'étend à toutes les formes de réalisation couvertes par les revendications annexées.The invention has been described above with reference to an exemplary embodiment. It goes without saying that it is not limited to this embodiment and that it extends to all embodiments covered by the appended claims.

Claims (7)

- Dispositif (1) de maintien de l'écartement de rails (100) de chemin de fer, comprenant une barre (2) de longueur supérieure à l'écartement des rails (100), deux pièces (4) montées sur cette barre (2), de prise d'appui contre les semelles des rails (100), ou deux paires de telles pièces (4) formant chacune une mâchoire (3) engagée de part et d'autre de la semelle d'un rail (100), et des organes (5) d'immobilisation des pièces de prise d'appui (4) par rapport à la barre (2),
caractérisé en ce qu'au moins une pièce de prise d'appui (4) comprend des premiers moyens (23) de montage coulissant d'une pièce (25) de blocage de l'organe d'immobilisation (5) de cette pièce de prise d'appui (4) par rapport à ladite barre (2), cette pièce de blocage (25) comprenant des deuxièmes moyens (30) de montage coulissant propres à venir en prise avec lesdits premiers moyens (23) de montage coulissant, et comprenant une zone de blocage (27) propre à venir en prise avec ledit organe d'immobilisation (5) ; lesdits premiers moyens (23) de montage coulissant et deuxièmes moyens (30) de montage coulissant, lorsqu'ils sont en prise, permettent le coulissement de la pièce de blocage (25) entre une position de non verrouillage, dans laquelle ladite zone de blocage (27) n'est pas en prise avec ledit organe d'immobilisation (5), et une position de verrouillage, dans laquelle ladite zone de blocage (27) est en prise avec ledit organe d'immobilisation (5).- Device (1) for maintaining the rail gauge (100), comprising a bar (2) longer than the distance of the rails (100), two pieces (4) mounted on said rail ( 2), bearing against the flanges of the rails (100), or two pairs of such pieces (4) each forming a jaw (3) engaged on either side of the sole of a rail (100). , and members (5) for immobilizing the support-holding pieces (4) with respect to the bar (2),
characterized in that at least one support part (4) comprises first sliding mounting means (23) for a piece (25) for locking the immobilizing member (5) of this piece of support. bearing (4) with respect to said bar (2), said locking member (25) including second sliding mounting means (30) adapted to engage said first sliding mounting means (23), and comprising a locking zone (27) adapted to engage said immobilizer (5); said first sliding mounting means (23) and second sliding mounting means (30), when in engagement, permit sliding of the locking member (25) between a non-locking position, wherein said locking zone (27) is not engaged with said immobilizer (5), and a locking position, wherein said locking zone (27) is engaged with said immobilizer (5). - Dispositif (1) selon la revendication 1, caractérisé en ce que ladite pièce de blocage (25) comprend au moins une partie d'encliquetage (27a, 31) propre, en position de verrouillage de cette pièce (25), à s'encliqueter sur l'organe d'immobilisation (5).- Device (1) according to claim 1, characterized in that said locking piece (25) comprises at least one latching portion (27a, 31) proper, in the locking position of this piece (25), s' snap onto the immobilizer (5). - Dispositif (1) selon la revendication 2, ledit organe d'immobilisation étant un écrou (5) engagé sur la barre (2), caractérisé en ce que ladite pièce de blocage (25) comprend deux parties d'encliquetage (27a, 31) propres, en position de verrouillage, à s'encliqueter en deux emplacements de l'écrou (5) distants l'un de l'autre, notamment diamétralement opposés.- Device (1) according to claim 2, said immobilizing member being a nut (5) engaged on the bar (2), characterized in that said locking piece (25) comprises two latching parts (27a, 31 ) clean, in the locking position, to snap into two locations of the nut (5) spaced from each other, in particular diametrically opposed. - Dispositif (1) selon la revendication 3, caractérisé en ce que ladite pièce de blocage (25) comprend des parties supérieure (26) et inférieure (27) en forme d'étriers, solidaires l'une de l'autre ; la partie supérieure (26) inclut deux parois latérales (26a) dont les extrémités libres comprennent, sur les faces de ces parois (26a) en regard l'une de l'autre, des nervures parallèles (30) formant lesdits premiers moyens de coulissement, ces parois (26a) permettant l'engagement de la partie (26) sur la pièce de prise d'appui (4) et les nervures (30) étant propres à s'engager derrière des nervures (23) de la pièce de prise d'appui (4) formant lesdits premiers moyens de montage coulissant ; et à coulisser le long de celles-ci ; la paroi centrale de la partie supérieure (26) présente deux faces angulées, formant, avec la partie inférieure (27), un logement hexagonal (32) adapté à la réception ajustée des facettes de l'écrou (5); la partie inférieure (27) inclut deux parois latérales (27a) dont les extrémités libres comprennent, sur les faces de ces parois (27a) en regard l'une de l'autre, des nervures parallèles (31), la paroi centrale de cette partie inférieure (27) présentant deux faces angulées prolongeant celles de la paroi centrale de la partie supérieure (26), qui forment, avec les faces desdites parois latérales (27a) en regard l'une de l'autre, quatre faces dudit logement hexagonal (32).- Device (1) according to claim 3, characterized in that said locking piece (25) comprises upper parts (26) and lower (27) shaped stirrups, integral with each other; the upper part (26) includes two side walls (26a) whose free ends comprise, on the faces of these walls (26a) facing one another, parallel ribs (30) forming said first sliding means, these walls (26a) allowing the engagement of the portion (26) on the gripping piece bearing (4) and the ribs (30) being adapted to engage behind ribs (23) of the bearing-engaging piece (4) forming said first sliding mounting means; and slide along them; the central wall of the upper part (26) has two angled faces, forming, with the lower part (27), a hexagonal housing (32) adapted to the fitted reception of the facets of the nut (5); the lower part (27) includes two side walls (27a) whose free ends comprise, on the faces of these walls (27a) facing one another, parallel ribs (31), the central wall of this lower part (27) having two angulated faces extending those of the central wall of the upper part (26), which form, with the faces of said side walls (27a) facing one another, four faces of said hexagonal housing (32). - Dispositif (1) selon la revendication 4, caractérisé en ce que ladite pièce de blocage (25) est réalisée en une seule pièce, notamment par moulage d'une matière synthétique.- Device (1) according to claim 4, characterized in that said locking piece (25) is made in one piece, in particular by molding a synthetic material. - Pièce de prise d'appui (4) selon l'une des revendications 1 à 5.- Supporting piece (4) according to one of claims 1 to 5. - Pièce de blocage (25) selon l'une des revendications 1 à 5.- Blocking piece (25) according to one of claims 1 to 5.
EP10176939A 2009-09-21 2010-09-15 Device for maintaining the spacing of railway rails Withdrawn EP2305885A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0956486A FR2950370B1 (en) 2009-09-21 2009-09-21 DEVICE FOR MAINTAINING RAILWAY RAIL CLEARANCE

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EP2305885A2 true EP2305885A2 (en) 2011-04-06
EP2305885A3 EP2305885A3 (en) 2011-10-19

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FR (1) FR2950370B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015193978A (en) * 2014-03-31 2015-11-05 株式会社レールテック Turnout tongue position adjuster

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008152578A1 (en) 2007-06-13 2008-12-18 Vape Rail International Device for maintaining the spacing of railroad rails
FR2920790A1 (en) 2007-09-11 2009-03-13 Vape Rail Internat Sa Rail's spacing maintaining device i.e. retrieving bar, for railway track, has maintaining parts conformed such that branch takes support against web, when another branch is supported on head of rails

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008152578A1 (en) 2007-06-13 2008-12-18 Vape Rail International Device for maintaining the spacing of railroad rails
FR2920790A1 (en) 2007-09-11 2009-03-13 Vape Rail Internat Sa Rail's spacing maintaining device i.e. retrieving bar, for railway track, has maintaining parts conformed such that branch takes support against web, when another branch is supported on head of rails

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015193978A (en) * 2014-03-31 2015-11-05 株式会社レールテック Turnout tongue position adjuster

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FR2950370A1 (en) 2011-03-25
EP2305885A3 (en) 2011-10-19
FR2950370B1 (en) 2011-09-02

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