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WO1991000391A1 - Elastic fixing device for fixing a railway track to its support - Google Patents

Elastic fixing device for fixing a railway track to its support Download PDF

Info

Publication number
WO1991000391A1
WO1991000391A1 PCT/FR1990/000474 FR9000474W WO9100391A1 WO 1991000391 A1 WO1991000391 A1 WO 1991000391A1 FR 9000474 W FR9000474 W FR 9000474W WO 9100391 A1 WO9100391 A1 WO 9100391A1
Authority
WO
WIPO (PCT)
Prior art keywords
rail
loop
fastener
insert
section
Prior art date
Application number
PCT/FR1990/000474
Other languages
French (fr)
Inventor
Gérard BARRE
Original Assignee
Allevard Industries
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 Allevard Industries filed Critical Allevard Industries
Publication of WO1991000391A1 publication Critical patent/WO1991000391A1/en

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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
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/02—Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28—Fastening on wooden or concrete sleepers or on masonry with clamp members
    • E01B9/30—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
    • E01B9/303—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped bar

Definitions

  • the present invention relates to a device for elastic fixing of railway rail on sleepers or slabs.
  • This fixing device comprises various elements which cooperate with each other during assembly and subsequently in service.
  • rail fastening devices have three main elements: -
  • the first called “fastener” is a part having a spring function, it is intended to press strongly on the rail pad to tighten it against its support.
  • the second called “insert” is a piece of cast iron or steel, the upper part of which protrudes from the support. It is this upper part of the insert which, by a particular shape, serves to guide the fastener during its positioning and to retain it in the tight position.
  • the third called "insulating stop” is a piece generally made of plastic which serves as a wear interlayer and as electrical insulator to prevent the rail from directly touching the insert or the fastener.
  • This third element is optional and can be in one or two parts.
  • the present invention aims to solve these technical problems satisfactorily.
  • a device for elastic fixing of a railway rail on its support comprising a fastener having a spring function. intended to come into bearing contact against the rail, an insert fixed in the rail support and provided with means for guiding and retaining said fastener and an insulating stop adapted to avoid direct contact between the rail and the insert or the fastener, characterized in that said fastener consists of a loop comprising a section substantially parallel to the rail, each of the lateral ends of which is continued by a substantially transverse part consisting of a section moving away from the rail which continues to extend the loop downward by a bent section and by a section inside the loop approaching the rail and extending by a vertical branch opening internally above the loop.
  • said parts transverse to the rail extending from said ends of the branch parallel to the rail are crossed.
  • said loop is open.
  • said insert comprises a ramp formed transversely and ascending relative to the rail, on which at least part of the loop of the fastener moves in bearing contact while being elastically deformed during of its implementation.
  • said means for guiding and retaining the fastener comprise: - two grooves produced respectively on each of the lateral edges of the insert, the longitudinal axes of which are substantially transverse to the rail and which are intended to receive so sliding some of the parts transverse to the rail of the loop, - a groove made on the upper face of the insulating stop with a longitudinal axis parallel to the rail and which is intended to receive the section of the loop which is parallel to the rail.
  • said retaining means further comprise two vertical grooves produced respectively on each of the side faces of said insert and which are adapted to receive the vertical branches of the fastener.
  • each of the vertical branches of the attachment loop is extended by a section extending outwards and above the loop.
  • said retaining means further comprise recesses made on the insert on each side of said ramp outside of said grooves and intended to receive at least partially the parts transverse to the rail of the loop in the clamping position .
  • Figures 1 and 2 show the fastener of the invention respectively in side view and in top view.
  • Figures 3 and 4 show the insert of the invention respectively in side view and in top view.
  • Figure 5 is an exploded view showing on the same perspective the fastener, the insert, the insulating stop and the rail.
  • Figure 6 shows the fastener during assembly.
  • Figures 7 and 8 are side and top views of the mounted fastener.
  • Figure 9 is a perspective view of the insulating stopper and Figure 10 an alternative embodiment of the same stopper.
  • Figure 11 shows an alternative embodiment of the fastener of the invention.
  • FIGS. 1 to 5 an orthonormal reference frame (x, y, z) has been shown; the x axis is parallel to the longitudinal direction of the rail and the z axis is vertical and perpendicular to the rail support table.
  • the plane (x, y) is parallel to the plane of the underside of the rail pad, the y axis is perpendicular to x and z and therefore to the rail.
  • FIGS 1 and 2 show the fastener 1 of the invention.
  • This fastener 1 consists of a loop comprising a section 10 substantially parallel to the rail which is intended to come into bearing contact on the upper face of the insulating stop or directly on the pad of the rail.
  • Each of the lateral ends of the loop continues with a part which is substantially transverse to the rail and inside the loop.
  • the section transverse to the rail consists of a first section IIG, IID extending transversely away from the rail and then a second section in the form of a bend 15G, 15D at 180 ° towards the bottom and finally a third section 12G, 12D extending transversely while approaching the rail.
  • the transverse part to the rail is extended by a vertical branch 13G, 13D opening internally above the section 11G.11D of the loop.
  • the vertical branch 13G.13D is extended by a section 14G, 14D extending outwardly above the section 11G, 11D of the loop.
  • this embodiment which provides for a vertical gap or clearance J between the section 14G.14D and the section 11G.11D allows the clip to be blocked in the event rail lifting. This blockage results in the cancellation of the clearance J when the section IIG, IID comes into contact with the section 14G, 14D.
  • the attachment loop is open and symmetrical with respect to the vertical plane y or z.
  • This fastener is preferably made of round or square steel wire of about 12 to 18 mm in diameter.
  • the dimension ⁇ of the fastener which corresponds to the vertical difference between the underside of the section 10 and the underside of the section 12G.12D, in the free state, increases during assembly by elastic deformation of the fastener on the 'insert.
  • Figures 3 and 4 show the insert 2 of the invention respectively in side view and in top view.
  • the underside 21 is sealed with the crosspiece or the slab or, in the case of installation on the saddle, is an integral part of saddle.
  • the front face 24 which is closest to the rail is intended to collect the lateral thrusts of the rail possibly transmitted by the insulating stop.
  • the insert 2 of the invention comprises a ramp 20 made transversely and ascending relative to the rail.
  • the insert 2 is provided with means for guiding and retaining said fastener.
  • the guide and retaining means comprise two grooves 22D, 22G produced respectively on each of the lateral edges of the insert 2 at the base of the ramp 20 along longitudinal axes are substantially transverse to the rail. These gorges
  • 22G, 22D are intended to receive in a sliding manner, during the installation of the fastener 1, some of the parts transverse to the rail of the loop. It is mainly the sections 12G, 12D of the transverse part of the loop which are engaged in the grooves 22G, 22D in a sliding manner.
  • the grooves 22G, 22D have an axis slightly inclined along z relative to the plane x, y while remaining in a plane parallel to the plane y, z and in this case the angle 0 is low (preferably less than 10 °), which has the effect of increasing the jamming of the fastener and preventing an unexpected release of the fastener towards the rear of the insert 2.
  • the means for retaining the fastener 1 on the insert 2 further comprise two vertical grooves 26G, 26D produced respectively on each of the lateral faces of the insert 2 at level of the ramp 20 and are adapted to receive the vertical branches 13G, 13D of the fastener.
  • the means for retaining the fastener 1 on the insert 2 are completed by recesses 25G.25D made on the insert on each side of the ramp 20 outside the grooves 22G, 22D.
  • These recesses 25D, 25G are intended to receive at least partially the parts transverse to the rail of the loop in the clamping position. In fact it is the bent sections 15G, 15D which are blocked at their lower end in the recesses 25G, 25D when the fastener is in abutment on the rail.
  • These recesses 25G, 25D also allow correct positioning of the fastener 1 and avoid an unexpected release of the fastener 1 from the rear of the insert 2.
  • the ramp is a particularly advantageous embodiment, the ramp
  • the fastener 1 will be locked by cooperation of the various branches of the loop with the retaining means produced both on the insert 2 and on the stop 3.
  • FIG. 5 represents the entire device of the invention in the disassembled state with the fastener 1, the insert 2, the stop 3 and the rail 4.
  • FIG. 6 represents the fastener 1 during its mounting on the insert 2. During this mounting, at least part of the loop of the fastener moves in contact with support on the ramp 20 while being elastically deformed.
  • the section 10 is lifted by the ramp 20 while the sections 12D and 12G are slidably engaged in the grooves 22G, 22D, which has the effect of increasing the dimension ⁇ of the fastener.
  • the groove 23 allows a temporary blocking of the fastener 1 on the insert 2. This blocking is particularly useful in the case of a pre-assembly of the device.
  • Figures 7 and 8 show the fastener 1 after final assembly.
  • the opening of the fastener represented by its dimension increased from ⁇ to ⁇ '.
  • the variation ⁇ '- ⁇ is of the order of 8 to 16 mm and the clearance J' which remains after mounting is between 0 and 8 mm.
  • the section 10 bears directly on the rail; the height of the insert 3 may slightly exceed the height of the edge of the rail pad, thereby forming a non-return locking means for the fastener.
  • the profile 31 of the lower face of the stop 3 corresponds to the slope of the shoe of the rail 4.
  • the profile of the upper face 32 of the stop 3 can be chosen as a function of the cooperation sought between the section 10 and the stop 3.
  • FIG. 9 represents a perspective view of the stop 3 of the invention.
  • FIG. 10 represents an alternative embodiment of the stop of FIG. 9.
  • the stop 3 is made in two separable parts.
  • the lower part 31 ensuring the lateral stop of the rail and the part 3S being intended to be placed above the shoe of the rail.
  • the part 31 can possibly be pre-assembled by fixing on the face 24 of the insert 2 so as to be able to put the rail 4 in place directly.
  • FIG. 11 represents an alternative embodiment of the attachment loop of the invention in which the parts transverse to the rail which extend from the ends of the parallel section 10 are crossed.
  • FIG. 11 it is the sections 12G and 12D which are crossed so as to be able to increase the flexibility of the fastener and to decrease the bending and torsional stresses at the level of the elbows 15G, 15D.
  • the fastener 1 no longer admits a true plane of symmetry and the bent sections 15G, 15D pass one above the other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to an elastic fixing device for fixing a railway track to its support which includes a fastener (1) which functions as a spring and is designed to press against the track. Said device also includes an insert (2) fixed to the track supportwhich has means for guiding and holding said fastener (1). An insulating stop (3), intended to prevent direct contact between the track (4) and the insert (2) or the fastener (1) is also provided. The device is characterized by the fact that said fastener (1) consists of a loop with a section (10) essentially parallel to the track. Coming after each lateral end of said section is a part which is essentially transversal to the track, said part being internal to the loop which is lengthened by a vertical branch (13G, 13D) opening internally above the loop.

Description

Dispositif de fixation élastique d'un rail de chemin de fer sur son support.Device for elastic fixing of a railroad track on its support.
La présente invention concerne un dispositif de fixation élastique de rail de chemin de fer sur des traverses ou dalles.The present invention relates to a device for elastic fixing of railway rail on sleepers or slabs.
Ce dispositif de fixation comporte divers éléments qui coopèrent entre eux lors du montage et ultérieurement en service.This fixing device comprises various elements which cooperate with each other during assembly and subsequently in service.
De façon générale, les dispositifs de fixation de rail comportent trois éléments principaux : - Le premier appelé "attache" est une pièce ayant une fonction de ressort, elle est destinée à appuyer fortement sur le patin du rail pour le serrer contre son support.In general, rail fastening devices have three main elements: - The first called "fastener" is a part having a spring function, it is intended to press strongly on the rail pad to tighten it against its support.
- Le deuxième appelé "insert" est une pièce en fonte ou en acier dont la partie supérieure dépasse du support. C'est cette partie supérieure de l'insert qui, par une forme particulière, sert à guider l'attache lors de sa mise en place et à la retenir en position serrée.- The second called "insert" is a piece of cast iron or steel, the upper part of which protrudes from the support. It is this upper part of the insert which, by a particular shape, serves to guide the fastener during its positioning and to retain it in the tight position.
- Le troisième appelé "butée isolante" est une pièce généralement en matière plastique qui sert d'intercalaire d'usure et d'isolant électrique pour éviter que le rail ne touche directement l'insert ou l'attache. Ce troisième élément est facultatif et peut être en une ou en deux parties.- The third called "insulating stop" is a piece generally made of plastic which serves as a wear interlayer and as electrical insulator to prevent the rail from directly touching the insert or the fastener. This third element is optional and can be in one or two parts.
Cependant, avec les dispositifs connus, la déformation élastique de l'attache lors de son montage se produit brutalement , ce qui entraîne généralement une forte tendance è la désolidarisation de ladite attache à partir de l'insert.However, with known devices, the elastic deformation of the fastener during its assembly occurs suddenly, which generally results in a strong tendency for the fastening of said fastener from the insert.
De plus, lors de sa mise en place en appui contre le rail, l'attache n'est pas guidée, ce qui rend cette opération d'autant plus délicate qu'elle est réalisée directement sans prémontage de l'attache sur l'insert.In addition, when it is placed in abutment against the rail, the fastener is not guided, which makes this operation all the more delicate since it is carried out directly without pre-assembly of the fastener on the insert. .
La présente invention a pour but de résoudre ces problèmes techniques de manière satisfaisante.The present invention aims to solve these technical problems satisfactorily.
Ce but est atteint, conformément à l'invention, par un dispositif de fixation élastique d'un rail de chemin de fer sur son support comprenant une attache ayant une fonction de ressort destinée à venir en contact d'appui contre le rail, un insert fixé dans le support de rail et pourvu de moyens de guidage et de retenue de ladite attache et une butée isolante adaptée pour éviter le contact direct entre le rail et l'insert ou l'attache, caractérisé en ce que ladite attache est constituée d'une boucle comportant un tronçon sensiblement parallèle au rail dont chacune des extrémités latérales se poursuit par une partie sensiblement transversale constituée d'un tronçon s'éloignant du rail qui se poursuit pour prolonger la boucle vers le bas par un tronçon coudé et par un tronçon intérieur à la boucle se rapprochant du rail et se prolongeant par une branche verticale débouchant intérieurement au-dessus de la boucle.This object is achieved, in accordance with the invention, by a device for elastic fixing of a railway rail on its support comprising a fastener having a spring function. intended to come into bearing contact against the rail, an insert fixed in the rail support and provided with means for guiding and retaining said fastener and an insulating stop adapted to avoid direct contact between the rail and the insert or the fastener, characterized in that said fastener consists of a loop comprising a section substantially parallel to the rail, each of the lateral ends of which is continued by a substantially transverse part consisting of a section moving away from the rail which continues to extend the loop downward by a bent section and by a section inside the loop approaching the rail and extending by a vertical branch opening internally above the loop.
Selon un premier mode de réalisation de l'invention, lesdites parties transversales au rail s'étendant è partir desdites extrémités de la branche parallèle au rail, sont croisées.According to a first embodiment of the invention, said parts transverse to the rail extending from said ends of the branch parallel to the rail are crossed.
Selon encore un autre mode de réalisation, ladite boucle est ouverte.According to yet another embodiment, said loop is open.
Selon une autre caractéristique de l'invention, ledit insert comporte une rampe réalisée de façon transversale et ascendante par rapport au rail, sur laquelle au moins une partie de la boucle de l'attache se déplace en contact d'appui en se déformant êlastiquement lors de sa mise en place.According to another characteristic of the invention, said insert comprises a ramp formed transversely and ascending relative to the rail, on which at least part of the loop of the fastener moves in bearing contact while being elastically deformed during of its implementation.
Selon encore une autre caractéristique, lesdits moyens de guidage et de retenue de l'attache comprennent : - deux gorges réalisées respectivement sur chacun des bords latéraux de l'insert dont les axes longitudinaux sont sensiblement transversaux au rail et qui sont destinées à recevoir de façon coulissante certaines des parties transversales au rail de la boucle, - une rainure réalisée sur la face supérieure de la butée isolante avec un axe longitudinal parallèle au rail et qui est destinée à recevoir le tronçon de la boucle qui est parallèle au rail.According to yet another characteristic, said means for guiding and retaining the fastener comprise: - two grooves produced respectively on each of the lateral edges of the insert, the longitudinal axes of which are substantially transverse to the rail and which are intended to receive so sliding some of the parts transverse to the rail of the loop, - a groove made on the upper face of the insulating stop with a longitudinal axis parallel to the rail and which is intended to receive the section of the loop which is parallel to the rail.
Selon un autre aspect de l'invention, lesdits moyens de retenue comprennent en outre deux rainures verticales réalisées respectivement sur chacune des faces latérales dudit insert et qui sont adaptées pour recevoir les branches verticales de l'attache.According to another aspect of the invention, said retaining means further comprise two vertical grooves produced respectively on each of the side faces of said insert and which are adapted to receive the vertical branches of the fastener.
Selon encore un autre aspect, chacune des branches verticales de la boucle d'attache se prolonge par un tronçon s'étendant vers l'extérieur et au-dessus de la boucle. Selon une autre caractéristique, lesdits moyens de retenue comprennent en outre des evidements réalisés sur l'insert de chaque côté de ladite rampe à l'extérieur desdites gorges et destinés à recevoir au moins partiellement les parties transversales au rail de la boucle en position de serrage. L'invention sera mieux comprise à la lecture de la description qui va suivre accompagnée des dessins annexés sur lesquels :According to yet another aspect, each of the vertical branches of the attachment loop is extended by a section extending outwards and above the loop. According to another characteristic, said retaining means further comprise recesses made on the insert on each side of said ramp outside of said grooves and intended to receive at least partially the parts transverse to the rail of the loop in the clamping position . The invention will be better understood on reading the description which follows, accompanied by the appended drawings in which:
Les figures 1 et 2 représentent l'attache de l'invention respectivement en vue latérale et en vue de dessus . Les figures 3 et 4 représentent l'insert de l'invention respectivement en vue latérale et en vue de dessus.Figures 1 and 2 show the fastener of the invention respectively in side view and in top view. Figures 3 and 4 show the insert of the invention respectively in side view and in top view.
La figure 5 est un éclaté représentant sur la même perspective l'attache, l'insert, la butée isolante et le rail. La figure 6 représente l'attache en cours de montage. Les figures 7 et 8 sont des vues latérales et de dessus de l'attache montée.Figure 5 is an exploded view showing on the same perspective the fastener, the insert, the insulating stop and the rail. Figure 6 shows the fastener during assembly. Figures 7 and 8 are side and top views of the mounted fastener.
La figure 9 est une vue en perspective de la butée isolante et la figure 10 une variante de réalisation de cette même butée. La figure 11 représente une variante de réalisation de l'attache de l'invention.Figure 9 is a perspective view of the insulating stopper and Figure 10 an alternative embodiment of the same stopper. Figure 11 shows an alternative embodiment of the fastener of the invention.
Sur les figures 1 à 5 a été représenté un rêférentiel orthonormé (x, y, z) ; l'axe x est parallèle au sens longitudinal du rail et l'axe z est vertical et perpendiculaire à la table d'appui du rail.In FIGS. 1 to 5, an orthonormal reference frame (x, y, z) has been shown; the x axis is parallel to the longitudinal direction of the rail and the z axis is vertical and perpendicular to the rail support table.
Le plan (x, y) est parallèle au plan du dessous du patin du rail, l'axe y est perpendiculaire à x et à z et donc au rail.The plane (x, y) is parallel to the plane of the underside of the rail pad, the y axis is perpendicular to x and z and therefore to the rail.
Les figures 1 et 2 représentent l'attache 1 de l'invention. Cette attache 1 est constituée d'une boucle comportant un tronçon 10 sensiblement parallèle au rail qui est destiné à venir en contact d'appui sur la face supérieure de la butée isolante ou directement sur le patin du rail.Figures 1 and 2 show the fastener 1 of the invention. This fastener 1 consists of a loop comprising a section 10 substantially parallel to the rail which is intended to come into bearing contact on the upper face of the insulating stop or directly on the pad of the rail.
Chacune des extrémités latérales de la boucle se poursuit par une partie sensiblement transversale au rail et intérieure à la boucle.Each of the lateral ends of the loop continues with a part which is substantially transverse to the rail and inside the loop.
Dans un premier mode de réalisation, la partie transversale au rail est constituée d'un premier tronçon IIG, IID s'étendant transversalement en s'éloignant du rail puis d'un deuxième tronçon sous forme de coude 15G, 15D à 180° vers le bas et enfin d'un troisième tronçon 12G, 12D s'étendant transversalement en se rapprochant du rail. La partie transversale au rail se prolonge par une branche verticale 13G, 13D débouchant intérieurement au-dessus du tronçon 11G.11D de la boucle. Dans le mode de réalisation des figures 1 et 2, la branche verticale 13G.13D se prolonge par un tronçon 14G,14D s'étendant vers l'extérieur au-dessus du tronçon 11G,11D de la boucle. Selon une détection comprise entre 10 et 90° par rapport à l'axe y, ce mode de réalisation qui prévoit un écart vertical ou jeu J entre le tronçon 14G.14D et le tronçon 11G.11D permet un blocage de l'attache en cas de soulèvement du rail. Ce blocage se traduit par l'annulation du jeu J quand le tronçon IIG, IID vient en contact avec le tronçon 14G, 14D.In a first embodiment, the section transverse to the rail consists of a first section IIG, IID extending transversely away from the rail and then a second section in the form of a bend 15G, 15D at 180 ° towards the bottom and finally a third section 12G, 12D extending transversely while approaching the rail. The transverse part to the rail is extended by a vertical branch 13G, 13D opening internally above the section 11G.11D of the loop. In the embodiment of Figures 1 and 2, the vertical branch 13G.13D is extended by a section 14G, 14D extending outwardly above the section 11G, 11D of the loop. According to a detection of between 10 and 90 ° relative to the y axis, this embodiment which provides for a vertical gap or clearance J between the section 14G.14D and the section 11G.11D allows the clip to be blocked in the event rail lifting. This blockage results in the cancellation of the clearance J when the section IIG, IID comes into contact with the section 14G, 14D.
Dans le mode de réalisation des figures 1 et 2, la boucle d'attache est ouverte et symétrique par rapport au plan vertical y ou z. Cette attache est réalisée de préférence en fil d'acier rond ou carré d'environ 12 à 18 mm de diamètre.In the embodiment of Figures 1 and 2, the attachment loop is open and symmetrical with respect to the vertical plane y or z. This fastener is preferably made of round or square steel wire of about 12 to 18 mm in diameter.
La cote Δ de l'attache qui correspond à l'écart vertical entre la face inférieure du tronçon 10 et la face inférieure du tronçon 12G.12D, à l'état libre, augmente lors du montage par déformation élastique de l'attache sur l'insert.The dimension Δ of the fastener which corresponds to the vertical difference between the underside of the section 10 and the underside of the section 12G.12D, in the free state, increases during assembly by elastic deformation of the fastener on the 'insert.
Les figures 3 et 4 représentent l'insert 2 de l'invention respectivement en vue latérale et en vue de dessus.Figures 3 and 4 show the insert 2 of the invention respectively in side view and in top view.
La face inférieure 21 est scellée avec la traverse ou la dalle ou dans le cas d'une pose sur selle fait partie intégrante de la selle.The underside 21 is sealed with the crosspiece or the slab or, in the case of installation on the saddle, is an integral part of saddle.
La face frontale 24 qui est la plus proche du rail est destinée à encaisser les poussées latérales du rail transmises éventuellement par la butée isolante. L'insert 2 de l'invention comporte une rampe 20 réalisée de façon transversale et ascendante par rapport au rail.The front face 24 which is closest to the rail is intended to collect the lateral thrusts of the rail possibly transmitted by the insulating stop. The insert 2 of the invention comprises a ramp 20 made transversely and ascending relative to the rail.
L'insert 2 est pourvu de moyens de guidage et de retenue de ladite attache.The insert 2 is provided with means for guiding and retaining said fastener.
Les moyens de guidage et de retenue comprennent deux gorges 22D,22G réalisés respectivement sur chacun des bords latéraux de l'insert 2 à la base de la rampe 20 selon des axes longitudinaux sont sensiblement transversaux au rail. Ces gorgesThe guide and retaining means comprise two grooves 22D, 22G produced respectively on each of the lateral edges of the insert 2 at the base of the ramp 20 along longitudinal axes are substantially transverse to the rail. These gorges
22G,22D sont destinées à recevoir de façon coulissante,lors de la mise en place de l'attache 1, certaines des parties transversales au rail de la boucle. Ce sont principalement les tronçons 12G,12D de la partie transversale de la boucle qui sont engagés dans les gorges 22G,22D de façon coulissante.22G, 22D are intended to receive in a sliding manner, during the installation of the fastener 1, some of the parts transverse to the rail of the loop. It is mainly the sections 12G, 12D of the transverse part of the loop which are engaged in the grooves 22G, 22D in a sliding manner.
Dans un mode de réalisation particulier de l'invention, les gorges 22G.22D ont un axe parallèle au plan y,z et leur inclinaison avec l'horizontale est nulle ( oL = 0) .In a particular embodiment of the invention, the grooves 22G.22D have an axis parallel to the plane y, z and their inclination with the horizontal is zero (oL = 0).
On peut concevoir un autre mode de réalisation dans lequel les gorges 22G,22D ont un axe légèrement incliné suivant z par rapport au plan x,y tout en restant dans un plan parallèle au plan y,z et dans ce cas l'angle 0 est faible (de préférence inférieur à 10°) , ce qui a pour effet d'augmenter le coincement de l'attache et d'empêcher une sortie inopinée de l'attache vers l'arrière de l'insert 2.We can conceive another embodiment in which the grooves 22G, 22D have an axis slightly inclined along z relative to the plane x, y while remaining in a plane parallel to the plane y, z and in this case the angle 0 is low (preferably less than 10 °), which has the effect of increasing the jamming of the fastener and preventing an unexpected release of the fastener towards the rear of the insert 2.
Ces moyens de guidage et de retenue de l'attache sur l'insert 2 sont combinés avec une rainure 33 réalisée sur la face supérieure de la butée isolante 3 avec un axe longitudinal parallèle au rail. Cette rainure 33 est destinée à recevoir le tronçon 10 de la boucle de l'attache qui est parallèle au rail.These means for guiding and retaining the fastener on the insert 2 are combined with a groove 33 produced on the upper face of the insulating stop 3 with a longitudinal axis parallel to the rail. This groove 33 is intended to receive the section 10 of the loop of the fastener which is parallel to the rail.
Les moyens de retenue de l'attache 1 sur l'insert 2 comprennent en outre deux rainures verticales 26G,26D réalisées respectivement sur chacune des faces latérales de l'insert 2 au niveau de la rampe 20 et sont adaptées pour recevoir les branches verticales 13G,13D de l'attache.The means for retaining the fastener 1 on the insert 2 further comprise two vertical grooves 26G, 26D produced respectively on each of the lateral faces of the insert 2 at level of the ramp 20 and are adapted to receive the vertical branches 13G, 13D of the fastener.
Selon un mode de réalisation particulièrement avantageux, les moyens de retenue de l'attache 1 sur l'insert 2 sont complétés par des evidements 25G.25D réalisés sur l'insert de chaque côté de la rampe 20 à l'extérieur des gorges 22G,22D. Ces evidements 25D,25G sont destinés à recevoir au moins partiellement les parties transversales au rail de la boucle en position de serrage. En fait ce sont les tronçons coudés 15G,15D qui se trouvent bloqués au niveau de leur extrémité inférieure dans les evidements 25G,25D lorsque l'attache est en appui sur le rail. Ces evidements 25G,25D permettent également un positionnement correct de l'attache 1 et évitent une sortie inopinée de l'attache 1 par l'arrière de l'insert 2. Selon un autre mode de réalisation avantageux, la rampeAccording to a particularly advantageous embodiment, the means for retaining the fastener 1 on the insert 2 are completed by recesses 25G.25D made on the insert on each side of the ramp 20 outside the grooves 22G, 22D. These recesses 25D, 25G are intended to receive at least partially the parts transverse to the rail of the loop in the clamping position. In fact it is the bent sections 15G, 15D which are blocked at their lower end in the recesses 25G, 25D when the fastener is in abutment on the rail. These recesses 25G, 25D also allow correct positioning of the fastener 1 and avoid an unexpected release of the fastener 1 from the rear of the insert 2. According to another advantageous embodiment, the ramp
20 de l'insert 2 comporte dans sa partie supérieure une rainure 23 sensiblement parallèle au rail destinée à recevoir le tronçon 10 de la boucle d'attache en position de prémontage sur l'insert 2.20 of the insert 2 has in its upper part a groove 23 substantially parallel to the rail intended to receive the section 10 of the attachment loop in the pre-assembly position on the insert 2.
Grâce à ce mode de réalisation, après mise en place du rail et de la butée 3, il suffit de pousser l'attache 1 suivant l'axe y pour que le tronçon 10 quitte la rainure 23 et prenne position en appui dans la rainure 33 de la face supérieure de la butée 3.Thanks to this embodiment, after the rail and the stopper 3 have been put in place, it suffices to push the fastener 1 along the y axis so that the section 10 leaves the groove 23 and takes up a bearing position in the groove 33 of the upper face of the stop 3.
Ainsi, en position montée, l'attache 1 sera verrouillée par coopération des diverses branches de la boucle avec les moyens de retenue réalisés à la fois sur l'insert 2 et sur la butée 3.Thus, in the mounted position, the fastener 1 will be locked by cooperation of the various branches of the loop with the retaining means produced both on the insert 2 and on the stop 3.
La figure 5 représente l'ensemble du dispositif de l'invention à l'état démonté avec l'attache 1 , l'insert 2, la butée 3 et le rail 4.FIG. 5 represents the entire device of the invention in the disassembled state with the fastener 1, the insert 2, the stop 3 and the rail 4.
Tous ces éléments ont pour plan de symétrie le plan y,z. Les opérations de montage supposent successivement de poser le rail 4 en place sur son support, de placer ensuite les butées 3 de chaque côté du rail dans l'espace libre laissé entre le rail 4 et chacun des deux insères latéraux qui sont préexistants sur le support, et enfin de monter les attaches 1 sur leur insert 2 respectif.All these elements have for their plane of symmetry the plane y, z. The mounting operations successively suppose to place the rail 4 in place on its support, then place the stops 3 on each side of the rail in the free space left between the rail 4 and each of the two side inserts which are pre-existing. on the support, and finally to mount the fasteners 1 on their respective insert 2.
La figure 6 représente l'attache 1 lors de son montage sur l'insert 2. Pendant ce montage, au moins une partie de la boucle de l'attache se déplace en contact d'appui sur la rampe 20 en se déformant élastiquement.FIG. 6 represents the fastener 1 during its mounting on the insert 2. During this mounting, at least part of the loop of the fastener moves in contact with support on the ramp 20 while being elastically deformed.
Plus précisément, le tronçon 10 est soulevé par la rampe 20 tandis que les tronçons 12D et 12G sont engagés de façon coulissante dans les gorges 22G,22D, ce qui a pour effet d'augmenter la cote Δ de l'attache. La rainure 23 permet un blocage temporaire de l'attache 1 sur l'insert 2. Ce blocage est particulièrement utile dans le cas d'un prémontage du dispositif.More specifically, the section 10 is lifted by the ramp 20 while the sections 12D and 12G are slidably engaged in the grooves 22G, 22D, which has the effect of increasing the dimension Δ of the fastener. The groove 23 allows a temporary blocking of the fastener 1 on the insert 2. This blocking is particularly useful in the case of a pre-assembly of the device.
Les figures 7 et 8 représentent l'attache 1 après montage définitif. L'ouverture de l'attache représentée par sa cote est passée de Δ à Δ ' .Figures 7 and 8 show the fastener 1 after final assembly. The opening of the fastener represented by its dimension increased from Δ to Δ '.
Selon l'invention, la variation Δ ' - Δ est de l'ordre de 8 à 16 mm et le jeu J' qui subsiste après le montage est compris entre 0 et 8 mm.According to the invention, the variation Δ '- Δ is of the order of 8 to 16 mm and the clearance J' which remains after mounting is between 0 and 8 mm.
Le tronçon 10 de la boucle d'attache, du fait de la variation d'ouverture Δ ' - Δ , appui fortement contre le rail par l'intermédiaire de la butée 3. Le rail est ainsi pressé sur sa semelle élastique 5 qui elle-même repose sur le support 6.The section 10 of the attachment loop, due to the variation in opening Δ '- Δ, bears strongly against the rail by means of the stopper 3. The rail is thus pressed on its elastic sole 5 which itself even rests on the support 6.
Selon un autre mode de réalisation possible, le tronçon 10 appui directement sur le rail ; la hauteur de l'insert 3 pouvant dépasser légèrement la hauteur du bord du patin du rail en formant ainsi un moyen de blocage anti-retour pour l'attache.According to another possible embodiment, the section 10 bears directly on the rail; the height of the insert 3 may slightly exceed the height of the edge of the rail pad, thereby forming a non-return locking means for the fastener.
Le profil 31 de la face inférieure de la butée 3 correspond à la pente du patin du rail 4. En revanche, le profil de la face supérieure 32 de la butée 3 peut être choisi en fonction de la coopération recherchée entre le tronçon 10 et la butée 3.The profile 31 of the lower face of the stop 3 corresponds to the slope of the shoe of the rail 4. On the other hand, the profile of the upper face 32 of the stop 3 can be chosen as a function of the cooperation sought between the section 10 and the stop 3.
La figure 9 représente une vue en perspective de la butée 3 de l'invention.FIG. 9 represents a perspective view of the stop 3 of the invention.
Les ergots 35 sont destinés à encadrer une partie de l'insert 2 pour immobiliser la butée 3 en translation suivant l'axe x. La figure 10 représente une variante de réalisation de la butée de la figure 9.The lugs 35 are intended to frame part of the insert 2 to immobilize the stop 3 in translation along the axis x. FIG. 10 represents an alternative embodiment of the stop of FIG. 9.
Dans ce mode de réalisation , la butée 3 est réalisée en deux parties sêparables . La partie inférieure 31 assurant la butée latérale du rail et la partie 3S étant destinée à se placer au-dessus du patin du rail. La partie 31 peut éventuellement être prémontée par fixation sur la face 24 de l'insert 2 afin de pouvoir mettre le rail 4 en place directement.In this embodiment, the stop 3 is made in two separable parts. The lower part 31 ensuring the lateral stop of the rail and the part 3S being intended to be placed above the shoe of the rail. The part 31 can possibly be pre-assembled by fixing on the face 24 of the insert 2 so as to be able to put the rail 4 in place directly.
La figure 11 représente une variante de réalisation de la boucle d'attache de l'invention dans laquelle les parties transversales au rail qui s'étendent à partir des extrémités du tronçon parallèle 10 sont croisées.FIG. 11 represents an alternative embodiment of the attachment loop of the invention in which the parts transverse to the rail which extend from the ends of the parallel section 10 are crossed.
En fait, tel que représenté sur la figure 11, ce sont les tronçons 12G et 12D qui sont croisés de façon à pouvoir augmenter la flexibilité de l'attache et de diminuer les contraintes de flexion et de torsion au niveau des coudes 15G,15D.In fact, as shown in FIG. 11, it is the sections 12G and 12D which are crossed so as to be able to increase the flexibility of the fastener and to decrease the bending and torsional stresses at the level of the elbows 15G, 15D.
Selon cette variante de réalisation, l'attache 1 n'admet plus un véritable plan de symétrie et les tronçons coudés 15G,15D passent l'un au-dessus de l'autre. According to this alternative embodiment, the fastener 1 no longer admits a true plane of symmetry and the bent sections 15G, 15D pass one above the other.

Claims

R E V E N D I C A T I O N S
1.- Dispositif de fixation élastique d'un rail de chemin de fer .sur son support comprenant une attache (1) ayant une fonction de ressort destiné à venir en contact d'appui contre le rail, un insert (2) fixé dans le support de rail et pourvu de moyens de guidage et de retenue de ladite attache (1) et une butée isolante (3) adaptée pour éviter le contact direct entre le rail (4) et l'insert (2) ou l'attache (1) caractérisé en ce que ladite attache (1) est constituée d'une boucle comportant un tronçon (10) sensiblement parallèle au rail dont chacune des extrémités latérales se poursuit par une partie sensiblement transversale au rail constituée d'un tronçon (IIG, IID) s'éloignant du rail qui se poursuit pour prolonger la boucle vers le bas par un tronçon coudé (15G, 15D) et par un tronçon (12G, 12D) intérieur à la boucle se rapprochant du rail et se prolongeant par une branche verticale (13G, 13D) débouchant intérieurement au-dessus de la boucle.1.- Device for elastic fixing of a railroad rail. On its support comprising a fastener (1) having a spring function intended to come into bearing contact against the rail, an insert (2) fixed in the rail support and provided with means for guiding and retaining said fastener (1) and an insulating stop (3) adapted to avoid direct contact between the rail (4) and the insert (2) or the fastener (1 ) characterized in that said fastener (1) consists of a loop comprising a section (10) substantially parallel to the rail, each of the lateral ends of which extends through a part substantially transverse to the rail consisting of a section (IIG, IID) moving away from the rail which continues to extend the loop downwards by a bent section (15G, 15D) and by a section (12G, 12D) inside the loop approaching the rail and extending by a vertical branch (13G , 13D) opening internally above the loop.
2.- Dispositif selon la revendication 1, caractérisé en ce que lesdites parties transversales au rail s'étendant à partir desdites extrémités de la branche parallèle au rail, sont croisées. 2.- Device according to claim 1, characterized in that said parts transverse to the rail extending from said ends of the branch parallel to the rail, are crossed.
3.- Dispositif selon la revendication 1 caractérisé en ce que ladite boucle est ouverte.3.- Device according to claim 1 characterized in that said loop is open.
4.- Dispositif selon l'une des revendications précédentes, caractérisé en ce que ledit insert (2) comporte une rampe (20) réalisée de façon transversale et ascendante par rapport au rail (4) , sur laquelle au moins une partie de la boucle de l'attache se déplace en contact d'appui en se déformant élastiquement lors de sa mise en place.4.- Device according to one of the preceding claims, characterized in that said insert (2) comprises a ramp (20) formed transversely and ascending relative to the rail (4), on which at least part of the loop of the fastener moves in bearing contact while being elastically deformed when it is put in place.
5.- Dispositif selon l'une des revendications précédentes, caractérisé en ce que lesdits moyens de guidage et de retenue de l'attache comprennent :5.- Device according to one of the preceding claims, characterized in that said means for guiding and retaining the fastener comprise:
- deux gorges (22G, 22D) réalisées respectivement sur chacun des bords latéraux de l'insert (2) dont les axes longitudinaux sont sensiblement transversaux au rail et qui sont destinées à recevoir de façon coulissante certaines des parties transversales au rail de la boucle, - une rainure (33) réalisée sur la face supérieure de la butée isolante (3) avec un axe longitudinal parallèle au rail et qui est destinée à recevoir le tronçon (10) de la boucle qui est parallèle au rail. - two grooves (22G, 22D) produced respectively on each of the lateral edges of the insert (2) whose longitudinal axes are substantially transverse to the rail and which are intended to receive in sliding manner some of the parts transverse to the rail of the loop, - A groove (33) produced on the upper face of the insulating stop (3) with a longitudinal axis parallel to the rail and which is intended to receive the section (10) of the loop which is parallel to the rail.
6.- Dispositif selon la revendication 5, caractérisé en ce que lesdits moyens de retenue comprennent en outre deux rainures verticales (26G, 26D) réalisées respectivement sur chacune des faces latérales dudit insert (2) et qui sont adaptées pour recevoir les branches verticales (13G, 13D) de l'attache. 6.- Device according to claim 5, characterized in that said retaining means further comprises two vertical grooves (26G, 26D) produced respectively on each of the side faces of said insert (2) and which are adapted to receive the vertical branches ( 13G, 13D) of the clip.
7.- Dispositif selon la revendication 4, caractérisé en ce que ladite rampe (20) comporte dans sa partie supérieure une rainure (23) sensiblement parallèle au rail destiné à recevoir le tronçon correspondant de la boucle d'attache en position de prêmontage sur l'insert (2). 7.- Device according to claim 4, characterized in that said ramp (20) has in its upper part a groove (23) substantially parallel to the rail intended to receive the corresponding section of the attachment loop in the pre-assembly position on the 'insert (2).
8.- Dispositif selon l'une des revendications précédentes, caractérisé en ce que chacune des branches verticales (13g, 13D) de la boucle d'attache se prolonge par un ronçon (14G, 14D) s'étendant vers l'extérieur et au-dessus de la boucle.8.- Device according to one of the preceding claims, characterized in that each of the vertical branches (13g, 13D) of the attachment loop is extended by a section (14G, 14D) extending outwards and at - above the loop.
9.- Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits moyens de retenue comprennent en outre des evidements (25G, 25D) réalisés sur l'insert (2) de chaque côté de ladite rampe (20) à l'extérieur desdites gorges (22G, 22D) et destinés à recevoir au moins partiellement les parties transversales au rail de la boucle en position de serrage.9.- Device according to any one of the preceding claims, characterized in that said retaining means further comprise recesses (25G, 25D) made on the insert (2) on each side of said ramp (20) to the 'outside of said grooves (22G, 22D) and intended to receive at least partially the parts transverse to the rail of the loop in the clamping position.
10.- Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la butée isolante (3) est réalisée en deux parties séparables (31, 3S) .10.- Device according to any one of the preceding claims, characterized in that the insulating stop (3) is made in two separable parts (31, 3S).
11.- Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdites gorges (22G, 22D) sont réalisées avec une légère inclinaison e^ par rapport à 1'horizontale. 11.- Device according to any one of the preceding claims, characterized in that said grooves (22G, 22D) are produced with a slight inclination e ^ relative to the horizontal.
PCT/FR1990/000474 1989-06-30 1990-06-27 Elastic fixing device for fixing a railway track to its support WO1991000391A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR89/08848 1989-06-30
FR8908848A FR2649138B1 (en) 1989-06-30 1989-06-30 DEVICE FOR ELASTIC FIXING OF A RAILWAY RAIL ON ITS SUPPORT

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WO1991000391A1 true WO1991000391A1 (en) 1991-01-10

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AU (1) AU5961190A (en)
CS (1) CS317390A2 (en)
DD (1) DD298011A5 (en)
DZ (1) DZ1430A1 (en)
FR (1) FR2649138B1 (en)
GR (1) GR900100502A (en)
MA (1) MA21888A1 (en)
PL (1) PL285855A1 (en)
PT (1) PT94548A (en)
TN (1) TNSN90093A1 (en)
WO (1) WO1991000391A1 (en)
ZA (1) ZA905089B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993012296A1 (en) * 1991-12-18 1993-06-24 Pandrol Limited Railway rail-fastening clip and assembly and methods of employing the same
US5735458A (en) * 1991-12-18 1998-04-07 Pandrol Limited Fastening railway rails
US6830199B1 (en) * 1999-11-18 2004-12-14 Young Gil Jang Rail fixing clip
WO2007065515A1 (en) * 2005-12-07 2007-06-14 Db Netz Ag Fixing means for fixing railway lines to sleepers or stretches of track
KR100747764B1 (en) 2005-08-31 2007-08-08 한국철도기술연구원 Rail fastening equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112808864B (en) * 2020-12-21 2023-04-07 中铁隆昌铁路器材有限公司 Forming tool die of elastic clamp for track turnout

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Publication number Priority date Publication date Assignee Title
DE1130461B (en) * 1958-04-15 1962-05-30 Karl Vossloh Fastening of railroad tracks on sleepers by means of spring tension brackets
FR1326483A (en) * 1962-03-27 1963-05-10 Const Mecaniques Essieux Et Re Elastic rail fastening device
GB1271186A (en) * 1970-03-24 1972-04-19 Elastic Rail Spike Company Ltd A railway rail and fastening assembly
FR2223509A1 (en) * 1973-03-28 1974-10-25 Jacobson Gerald
GB2105389A (en) * 1981-08-27 1983-03-23 Portec Inc Insulated fastening for railway rails

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130461B (en) * 1958-04-15 1962-05-30 Karl Vossloh Fastening of railroad tracks on sleepers by means of spring tension brackets
FR1326483A (en) * 1962-03-27 1963-05-10 Const Mecaniques Essieux Et Re Elastic rail fastening device
GB1271186A (en) * 1970-03-24 1972-04-19 Elastic Rail Spike Company Ltd A railway rail and fastening assembly
FR2223509A1 (en) * 1973-03-28 1974-10-25 Jacobson Gerald
GB2105389A (en) * 1981-08-27 1983-03-23 Portec Inc Insulated fastening for railway rails

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993012296A1 (en) * 1991-12-18 1993-06-24 Pandrol Limited Railway rail-fastening clip and assembly and methods of employing the same
WO1993012294A1 (en) * 1991-12-18 1993-06-24 Pandrol Limited Fastening railway rails
TR27337A (en) * 1991-12-18 1995-01-13 Pandrol Ltd Railway track-fixing fastener and equipment and methods of using them.
US5520330A (en) * 1991-12-18 1996-05-28 Pandrol Limited Railway rail-fastening clip and assembly and methods of employing the same
US5735458A (en) * 1991-12-18 1998-04-07 Pandrol Limited Fastening railway rails
US6830199B1 (en) * 1999-11-18 2004-12-14 Young Gil Jang Rail fixing clip
KR100747764B1 (en) 2005-08-31 2007-08-08 한국철도기술연구원 Rail fastening equipment
WO2007065515A1 (en) * 2005-12-07 2007-06-14 Db Netz Ag Fixing means for fixing railway lines to sleepers or stretches of track

Also Published As

Publication number Publication date
ZA905089B (en) 1991-04-24
DZ1430A1 (en) 2004-09-13
PL285855A1 (en) 1991-12-16
GR900100502A (en) 1991-11-15
PT94548A (en) 1992-07-31
DD298011A5 (en) 1992-01-30
AU5961190A (en) 1991-01-17
FR2649138A1 (en) 1991-01-04
MA21888A1 (en) 1990-12-31
FR2649138B1 (en) 1996-10-11
CS317390A2 (en) 1991-11-12
TNSN90093A1 (en) 1991-03-05

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