EP0275800A1 - Swift action elastic fastening device for a railway rail - Google Patents

Swift action elastic fastening device for a railway rail Download PDF

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Publication number
EP0275800A1
EP0275800A1 EP87420331A EP87420331A EP0275800A1 EP 0275800 A1 EP0275800 A1 EP 0275800A1 EP 87420331 A EP87420331 A EP 87420331A EP 87420331 A EP87420331 A EP 87420331A EP 0275800 A1 EP0275800 A1 EP 0275800A1
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EP
European Patent Office
Prior art keywords
rod
rail
saddle
shoe
shoulder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP87420331A
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German (de)
French (fr)
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EP0275800B1 (en
Inventor
Gérard Vanotti
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Vape SA
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Vape SA
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Publication date
Priority to IN952/CAL/87A priority Critical patent/IN168933B/en
Application filed by Vape SA filed Critical Vape SA
Priority to AT87420331T priority patent/ATE58766T1/en
Publication of EP0275800A1 publication Critical patent/EP0275800A1/en
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Publication of EP0275800B1 publication Critical patent/EP0275800B1/en
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • 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
    • 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
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs
    • E01B9/58—Fastening the rail in the chair

Definitions

  • the subject of the present invention is a device for rapid elastic fixing of a railroad rail on concrete, or wooden, or plastic sleepers, of the type comprising a rod whose head emerges in the form of an open ring. rests on the rail pad, also centered on the support by a wedge or a saddle, while its other end includes a hooking means associated with the crosspiece to tension the spring head on the rail pad after the rod has been turned half a turn.
  • Patents GB-A 2,045,320 and GB-A-959,113 describe elastic fixing devices for rail tracks of the above-mentioned kind. These devices have only one means of tensioning the spring head on the rail pad, consisting of a horn cooperating with the edge of a retaining piece included in the cross member, which appears insufficient for fixing and effective anchoring.
  • the device, object of the invention offers two associated means for tensioning the spring head of the rail fixing rod.
  • the first means consists in the difference in level which results from the slope affected by the upper face of the wedge, or from the centering saddle of the rail and which extends the slope of its shoe so that by maneuvering the fixing rod. by a half-turn, the head is brought from a low position to a higher position, exerting a strong tension on the pad of said rail.
  • the second means consists of a cam that forms the internal shoulder reserved in an insulating anchoring sheath of the "Plastirail" type inserted in the cross member and to which hooks the free end of the rail fixing rod after it has been turned a half-turn, said shoulder resulting from two successive bores digging said sheath.
  • the second means of tensioning the spring rod consists of a steel bowl included in a counterbore made in the concrete or wooden cross member, in line with a bore digging said cross member, to which corresponds an opening made in the centering saddle of the rail on the shoe from which the head of the spring loaded rod rests under tension, after having been turned a half-turn, by the attachment of its heel projecting from an internal rim which the bottom of said bowl with an orifice corresponding to the section of the spring rod reserves.
  • the second means of tensioning the spring rod consists of a shoulder resulting from the difference in the diameters of two bores dug in the centering saddle of the rail fixed by lag bolts if it rests on a crosspiece in wood, or by insulating anchoring sheaths of the kind known under the brand "Plastirail” if it rests on a concrete cross-member, said shoulder allowing the eccentric heel of the rod to be hooked up after having been turned d 'a half-turn, a wedge immobilizing said rod spring in the clamping position on the rail pad.
  • the means for tensioning the spring rod whether the shoulder reserved in the anchoring sheath, or the internal rim formed by the bowl or the shoulder reserved in the saddle, are hollowed out d '' a depression playing the role of non-return stop in which engages the heel of the spring rod.
  • the rail centering block has an opening adapted to the sections of the spring rod and its heel and offset relative to the bore of the anchoring sheath in order to partially close it when the spring rod is introduced therein, while one of its faces, pressing against the side wall of the housing reserved on the cross member, is flared to ensure a slight jamming resulting from the lateral forces exerted by the spring rod, when it is tensioned, against a collar surmounting said wedge.
  • the reference numeral 1 designates the shoe of a railway rail resting on a concrete or wooden cross member 2 by means of an elastic sole 3, or resting on a saddle 4 made of metal or of material reinforced plastic, in known manner.
  • Figures 1 to 3 show a first embodiment of the rail fixing device in question.
  • An insulating anchoring sheath 5 made of plastic kind known under the brand name "Plastirail” is inserted into the concrete cross member 2 at the time of its molding.
  • This sheath comprises a first bore 6 of oblong section as shown in FIG. 2, preceding a second bore 7 of circular section.
  • the difference in size of these two bores results in a shoulder 8 which can affect a downward slope directed inward, that is to say towards the middle part of the cross member 2, to act as a cam.
  • part of the oblong section of the bore 6 is constricted to form two stops prevailing over the entire height of the bore.
  • the rail fixing device consists of a spring rod 9 made of steel wire, or of reinforced plastic. At its lower end, this rod has an eccentric heel 10 with a rounded end forming a hook 112 capable of cooperating with the shoulder 8 of the insulating sheath 5.
  • the section of the hooked part 11 of the heel is slightly smaller than that of the rod itself to allow its passage through the bore 6 of the anchoring sheath 5.
  • the rod 9 forms, at its other end, an open ring 12 extending laterally at an acute angle as illustrated in FIGS. 1 and 3. This ring 12 constitutes the spring head of the rod 9 and may include a flat 13 bearing on the shoe 1 of the rail.
  • the device is completed by a wedge 14 for centering and holding the rail 1. It is a metal or plastic part of rectangular shape, the upper face 15 of which is in a slight slope extending that of the shoe of the rail 1
  • This wedge 14 is pierced with an oblong section orifice 16 surmounted by a flange 17 for supporting the spring rod 9.
  • its orifice 16 is offset with respect to the bore 6 of the sheath 5, which causes its partial closure.
  • One of the two lateral sides of the wedge 14 flares upwards, in particular the side 18 in contact with the wall 20 of the recess hollowing out the crosspiece 2.
  • the other side 19 is in abutment against the lateral part of the part of the rail 1.
  • the anchoring sheath 5 is correctly positioned during the molding of the concrete cross-member 2, the shoulder 8 forming a cam directed towards the pad of the rail 1, as shown in FIG. 1.
  • the spring rod 9 of this assembly is introduced by its heel 10, manually or automatically, into the bore 6 of the anchoring sheath 5 according to the position shown in broken lines in Figure 1, the head 12 being on the wedge centering 14 which has been mechanically adjusted in its housing of the cross member 2.
  • the rail 1 rests on a centering saddle 4 via the elastic sole 3.
  • this saddle 4 is included in a housing 22 of the concrete or wooden cross member 2.
  • the ends of the saddle 4 are pierced with a first orifice 23 of oblong section surrounded by a flange 24, opening into a second orifice 25 of sectoral shape as shown in the Figure 6 to allow the introduction of the spring rod 9.
  • a steel bowl 27 with a flared wall is retained, the bottom of which is pierced with an orifice 28 of section corresponding to a bore 29 of the cross member 2 vertically extending the orifice 25 of the saddle 4, reserves a rim 30 hollowed out by a depression 31 which cooperates with the face 11 of the heel 10 of the spring rod 9.
  • the rail 1 also rests on a saddle 4, also fixed to the wooden cross member, or concrete 2 by means of lag bolts, or insulating anchor sheaths known under the brand " Plastirail ".
  • This saddle 4 made of metal or plastic, comprises, at its projecting ends 32, the tensioning means of the spring rod 9. To this end, the part 32 is pierced with a first orifice 33 of oblong section allowing the introduction of the rod 9 and preceding a second orifice 34 of circular section. The difference in the diameters of the orifices 33 and 34 results in a shoulder which can affect a downward slope 35 directed towards the shoe 1 of the rail. This shoulder has a depression, the flanges 36 of which act as non-return stops for the heel 10 of the spring rod. In the clamping position shown in FIG. 7, a shim 37 can be introduced into the orifice 33 of the saddle 4 to immobilize the spring rod 9. However, the shim is not necessary if part of the bore 33 is constricted as shown in FIG. 8, to form two stops ruling over the entire height of the bore and preventing bending of the spring rod 9.
  • the line XX ⁇ represents the pivot axis of the fixing rod 9
  • the line YY ⁇ represents the axis of movement of the spring head 12 of the rod 9.
  • the spring head 12 When the rod 9 is introduced into the anchoring sheath 5, or directly into the bore of the cross-member 2, or even into the saddle 4, the spring head 12 is in the RN1 position and the heel 10 in the B1 position .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

Ce dispositif comprend une tige de fixation (9) dont la tête ressort (12) s'appuie sur le patin (1) du rail, par ailleurs centré sur la traverse (2) au moyen d'une cale (14), tandis que son autre extrémité (10) en forme de crochet (11) est retenue dans une gaine isolante (5) du genre connu sous la marque "Plastirail", noyée dans le sup­port (2) et comportant un épaulement interne (8) permettant de mettre en tension la tête ressort (12) sur le platin (1) du rail après que la tige (9) ait été manoeuvrée d'un demi­tour. La mise en tenson de la tête (12) de la tige (9) résulte aussi de la pente qu'affecte la face supérieure de la cale (14) qui prolonge la pente du patin du rail (1).

Figure imgaf001
This device comprises a fixing rod (9), the spring head (12) of which rests on the shoe (1) of the rail, moreover centered on the cross-member (2) by means of a wedge (14), while its other end (10) in the form of a hook (11) is retained in an insulating sheath (5) of the type known under the brand "Plastirail", embedded in the support (2) and comprising an internal shoulder (8) making it possible to place in tension the spring head (12) on the plate (1) of the rail after the rod (9) has been operated by a half turn. The tensioning of the head (12) of the rod (9) also results from the slope affected by the upper face of the wedge (14) which extends the slope of the rail pad (1).
Figure imgaf001

Description

La présente invention a pour objet un dispositif de fi­xation élastique rapide d'un rail de chemin de fer sur des traverses en béton, ou en bois, ou en matière plastique, du genre comprenant une tige dont la tête ressort en forme d'an­enau ouvert s'appuie sur le patin du rail, par ailleurs centré sur on support par une cale ou une selle, tandis que son autre extrémité comporte un moyen d'accrochage as­socié à la traverse permettant de mettre en tension la tête ressort sur le patin du rail après que la tige ait été ma­noeuvrée d'un demi-tour.The subject of the present invention is a device for rapid elastic fixing of a railroad rail on concrete, or wooden, or plastic sleepers, of the type comprising a rod whose head emerges in the form of an open ring. rests on the rail pad, also centered on the support by a wedge or a saddle, while its other end includes a hooking means associated with the crosspiece to tension the spring head on the rail pad after the rod has been turned half a turn.

Les brevets GB-A 2.045.320 et GB-A-959.113 décrivent des dispositifs de fixation élastique pour rail de voie fer­rée du genre susmentionné. Ces dispositifs ne comportent qu'un seul moyen de mise en tension de la tête ressort sur le patin du rail, constitué par un corchet coopérant avec le rebord d'une pièce de retenue incluse dans la traverse, ce qui apparait insuffisant pour une fixation et un ancrage efficaces.Patents GB-A 2,045,320 and GB-A-959,113 describe elastic fixing devices for rail tracks of the above-mentioned kind. These devices have only one means of tensioning the spring head on the rail pad, consisting of a horn cooperating with the edge of a retaining piece included in the cross member, which appears insufficient for fixing and effective anchoring.

Le dispositif, objet de l'invention, offre au contraire deux moyens associés de mise en tension de la tête ressort de la tige de fixation du rail.The device, object of the invention, on the contrary offers two associated means for tensioning the spring head of the rail fixing rod.

Le premier moyen consiste dans la différence de niveau qui résulte de la pente qu'affecte la face supérieure de la cale, ou de la selle de centrage du rail et qui prolonge la pente de son patin de sorte qu'en manoeuvrant la tige de fixation d'un demi-tour on amène sa tête d'une position basse à une position plus haute, exerçant une forte tension sur le patin dudit rail.The first means consists in the difference in level which results from the slope affected by the upper face of the wedge, or from the centering saddle of the rail and which extends the slope of its shoe so that by maneuvering the fixing rod. by a half-turn, the head is brought from a low position to a higher position, exerting a strong tension on the pad of said rail.

Le second moyen consiste en une came que forme l'épaule­ment interne réservé dans une gaine d'ancrage isolante du genre "Plastirail" insérée dans la traverse et auquel s'accroche l'éextrémité libre dela tige de fixation du rail après qu'on l'ait tournée d'un demi-tour, ledit épaulement résultant de deux alésages successifs creusant ladite gaine.The second means consists of a cam that forms the internal shoulder reserved in an insulating anchoring sheath of the "Plastirail" type inserted in the cross member and to which hooks the free end of the rail fixing rod after it has been turned a half-turn, said shoulder resulting from two successive bores digging said sheath.

Suivant une autre forme de réalisation de l'invention, le second moyen de tension de la tige ressort consiste en une cuvette en acier incluse dans un lamage pratiqué dans la traverse en béton ou en bois, au droit d'un alésage creu­sant ladite traverse, auquel correspond une ouverture prati­quée dans la selle de centrage du rail sur le patin duquel prend appui la tête de la tige ressort mise en tension, après qu'on l'ait tournée d'un demi-tour, par l'accrochage de son talon saillant à un rebord interne que réserve le fond de ladite cuvette percée d'un orifice correspondant à la sec­tion de la tige ressort.According to another embodiment of the invention, the second means of tensioning the spring rod consists of a steel bowl included in a counterbore made in the concrete or wooden cross member, in line with a bore digging said cross member, to which corresponds an opening made in the centering saddle of the rail on the shoe from which the head of the spring loaded rod rests under tension, after having been turned a half-turn, by the attachment of its heel projecting from an internal rim which the bottom of said bowl with an orifice corresponding to the section of the spring rod reserves.

Suivant une autre forme de réalisation du dispositif, le second moyen de tension de la tige ressort consiste en un épaulement résultant de la différence des diamètres de deux alésages creusés dans la selle de centrage du rail fixée par des tirefonds si elle repose sur une traverse en bois, ou par des gaines isolantes d'ancrage du genre connu sous la marque "Plastirail" si elle repose sur une traverse en béton, ledit épaulement permettant l'accrochage du talon excentré de la tige ressort après qu'on l'ait tourné d'un demi-tour, une cale immobilisant ladite tige ressort en position de serrage sur le patin du rail.According to another embodiment of the device, the second means of tensioning the spring rod consists of a shoulder resulting from the difference in the diameters of two bores dug in the centering saddle of the rail fixed by lag bolts if it rests on a crosspiece in wood, or by insulating anchoring sheaths of the kind known under the brand "Plastirail" if it rests on a concrete cross-member, said shoulder allowing the eccentric heel of the rod to be hooked up after having been turned d 'a half-turn, a wedge immobilizing said rod spring in the clamping position on the rail pad.

Les moyens de mise en tension de la tige ressort, qu'il s'agisse de l'épaulement réservé dans la gaine d'ancrage, ou du rebord interne formé par la cuvette ou de l'épaulement réservé dans la selle, sont creusés d'une dépression jouant le rôle de butée anti-retour dans laquelle s'engage le talon de la tige ressort.The means for tensioning the spring rod, whether the shoulder reserved in the anchoring sheath, or the internal rim formed by the bowl or the shoulder reserved in the saddle, are hollowed out d '' a depression playing the role of non-return stop in which engages the heel of the spring rod.

La cale de centrage du rail comporte une ouverture adap­tée aux sections de la tige ressort et de son talon et décalée par rapport a l'alésage de la gaine d'ancrage pour l'obturer en partie lorsque la tige ressort y est introdui­te, tandis que l'une de ses faces, en appui contre la paroi latérale du logement réservé sur la traverse, est évasée pour assurer un léger coincement résultant des forces latérales qu'exerce la tige ressort, lorsqu'elle est mise en tension, contre une collerette surmontant ladit cale.The rail centering block has an opening adapted to the sections of the spring rod and its heel and offset relative to the bore of the anchoring sheath in order to partially close it when the spring rod is introduced therein, while one of its faces, pressing against the side wall of the housing reserved on the cross member, is flared to ensure a slight jamming resulting from the lateral forces exerted by the spring rod, when it is tensioned, against a collar surmounting said wedge.

Les détails de ce dispositif seront mieux compris par la description qui va suivre se rapportant aux dessins annexés en montrant plusieurs exemples de réali­sation.

  • La figure 1 est une vue en coupe longtiudinale du dis­positif de fixation d'un rail sur une traverse en béton.
  • La figure 2 en est une vue en coupe transversale au niveau II-II de la figure 1.
  • La figure 3 est une vue de détail en élévation de la tête de la tige ressort du dispositif.
  • La figure 4 est une vue en coupe longitudinale du dis­positif de fixation d'un rail sur une traverse en béton, ou en bois équipée d'une selle de centrage du rail.
  • La figure 5 en est une vue en coupe transversale au niveau III-III de la figure 4.
  • La figure 6 en est une seconde vue en coupe transversa­le au niveau IV-IV de la figure 4.
  • La figure 7 est une vue en coupe longitudinale du dis­positif de fixation d'un rail sur une traverse en béton, ou en bois, équipée d'une selle fixée par des moyens traditionnels.
  • La figure 8 en est une vue en coupe transversale au niveau V-V de la figure 7.
  • La figure 9 montre un schéma illustrant le principe de fonctionnement du dispositif objet de l'invention.
The details of this device will be better understood from the description which follows, referring to the appended drawings, showing several exemplary embodiments.
  • Figure 1 is a longitudinal sectional view of the device for fixing a rail on a concrete sleeper.
  • Figure 2 is a cross-sectional view at level II-II of Figure 1.
  • Figure 3 is a detail view in elevation of the head of the spring rod of the device.
  • Figure 4 is a longitudinal sectional view of the device for fixing a rail on a concrete cross member, or wooden equipped with a saddle for centering the rail.
  • FIG. 5 is a cross-sectional view thereof at level III-III of FIG. 4.
  • FIG. 6 is a second view of it in cross section at level IV-IV of FIG. 4.
  • Figure 7 is a longitudinal sectional view of the device for fixing a rail on a concrete, or wooden cross, equipped with a saddle fixed by traditional means.
  • FIG. 8 is a cross-sectional view thereof at level VV of FIG. 7.
  • FIG. 9 shows a diagram illustrating the operating principle of the device which is the subject of the invention.

Sur les dessins, le repère 1 désigne le patin d'un rail de chemin de fer reposant sur une traverse en béton, ou en bois 2 par l'intermédiaire d'une semelle élastique 3, ou reposant sur une selle 4 métallique ou en matière plas­tique renforcée, à la manière connue.In the drawings, the reference numeral 1 designates the shoe of a railway rail resting on a concrete or wooden cross member 2 by means of an elastic sole 3, or resting on a saddle 4 made of metal or of material reinforced plastic, in known manner.

Les figures 1 à 3 montrent un premier exemple de réali­sation du dispositif de fixation du rail dont il s'agit.Figures 1 to 3 show a first embodiment of the rail fixing device in question.

Une gaine d'ancrage isolante 5 en matière plastique du genre connu sous la marque "Plastirail" est insérée dans la traverse 2 en béton au moment de son moulage.An insulating anchoring sheath 5 made of plastic kind known under the brand name "Plastirail" is inserted into the concrete cross member 2 at the time of its molding.

Cette gaine comporte un premier alésage 6 de section oblongue comme le montre la figure 2, précédant un second alésage 7 de section circulaire. De la différence de sec­ton de ces deux alésages résulte un épaulement 8 qui peut affecter une pente descendante dirigée vers l'intérieur, c'est-à-dire vers la partie médiane de la traverse 2, pour jouer le rôle de came. Comme l'illustre la figure 2, une partie de la section oblongue de l'alésage 6 est rétreinte pour former deux butées régnant sur toute la hauteur de l'alésage.This sheath comprises a first bore 6 of oblong section as shown in FIG. 2, preceding a second bore 7 of circular section. The difference in size of these two bores results in a shoulder 8 which can affect a downward slope directed inward, that is to say towards the middle part of the cross member 2, to act as a cam. As illustrated in Figure 2, part of the oblong section of the bore 6 is constricted to form two stops prevailing over the entire height of the bore.

Le dispositif de fixation du rail consiste, selon l'in­vention, en une tige ressort 9 en fil d'acier, ou en plas­tique renforcé. A son extrémité inférieure, cette tige comporte un talon excentré 10 à bout arrondi formant un crochet 112 susceptible de coopérer avec l'épaulement 8 de la gaine isolante 5. La section de la partie crochue 11 du talon est légèrement inférieure à celle de la tige elle-­même pour permettre son passage dans l'alésage 6 de la gaine d'ancrage 5. La tige 9 forme, à son autre extrémité, un anneau ouvert 12 s'étendant latéralement sous un angle aigu comme l'illustre les figures 1 et 3. Cet anneau 12 constitue la tête ressort de la tige 9 et peut comporter un méplat 13 d'appui sur le patin 1 du rail.The rail fixing device, according to the invention, consists of a spring rod 9 made of steel wire, or of reinforced plastic. At its lower end, this rod has an eccentric heel 10 with a rounded end forming a hook 112 capable of cooperating with the shoulder 8 of the insulating sheath 5. The section of the hooked part 11 of the heel is slightly smaller than that of the rod itself to allow its passage through the bore 6 of the anchoring sheath 5. The rod 9 forms, at its other end, an open ring 12 extending laterally at an acute angle as illustrated in FIGS. 1 and 3. This ring 12 constitutes the spring head of the rod 9 and may include a flat 13 bearing on the shoe 1 of the rail.

Le dispositif est complété par une cale 14 de centrage et de maintien du rail 1. Il s'agit d'une pièce en métal ou en matière plastique de forme rectangulaire dont la face supérieure 15 est en légère pente prolongeant celle du patin du rail 1. Cette cale 14 est percée d'un orifice de section oblongue 16 surmonté d'une collerette 17 d'appui de la tige ressort 9. Lorsque la cale 14 est en position comme sur la figure 1, son orifice 16 est décalé par rap­port à l'alésage 6 de la gaine 5, ce qui provoque son obturation partielle.The device is completed by a wedge 14 for centering and holding the rail 1. It is a metal or plastic part of rectangular shape, the upper face 15 of which is in a slight slope extending that of the shoe of the rail 1 This wedge 14 is pierced with an oblong section orifice 16 surmounted by a flange 17 for supporting the spring rod 9. When the wedge 14 is in position as in FIG. 1, its orifice 16 is offset with respect to the bore 6 of the sheath 5, which causes its partial closure.

L'un des deux côtés latéraux de la cale 14 s'évase vers le haut, notamment le côté 18 en contact avec la paroi 20 de l'évidement creusant la traverse 2. L'autre côté 19 est en butée contre la tanche latérale du partin du rail 1. Ces détails sont visibles sur la figure 1 des dessins et ils concourent au bon centrage du rail 1.One of the two lateral sides of the wedge 14 flares upwards, in particular the side 18 in contact with the wall 20 of the recess hollowing out the crosspiece 2. The other side 19 is in abutment against the lateral part of the part of the rail 1. These details are visible in FIG. 1 of the drawings and they contribute to the correct centering of the rail 1.

La gaine d'ancrage 5 est correctement positionnée lors du moulage de la traverse en béton 2, l'épaulement 8 for­mant came dirigé vers le patin du rail 1, comme le montre la figure 1.The anchoring sheath 5 is correctly positioned during the molding of the concrete cross-member 2, the shoulder 8 forming a cam directed towards the pad of the rail 1, as shown in FIG. 1.

La cale de centrage 14 et la tige ressort 9 sur laquel­le elle est préalablement engagée, constituent ainsi un ensemble amovible en deux pièces.The centering wedge 14 and the spring rod 9 on which it is previously engaged, thus constitute a removable assembly in two parts.

La tige ressort 9 de cet ensemble est introduite par son talon 10, de façon manuelle ou automatique, dans l'alé­sage 6 de la gaine d'ancrage 5 suivant la position repré­sentée en traits mixtes figure 1, la tête 12 se trouvant sur la cale de centrage 14 qui a été ajustée mécaniquement dans son logement de la traverse 2.The spring rod 9 of this assembly is introduced by its heel 10, manually or automatically, into the bore 6 of the anchoring sheath 5 according to the position shown in broken lines in Figure 1, the head 12 being on the wedge centering 14 which has been mechanically adjusted in its housing of the cross member 2.

Dans la positin de serrage qu'affecte la tige ressort 9 figure 1, la face d'accrochage 11 de son talon 10 bute contre les deux rebords 21 d'une dépression creusée à la surface de l'épaulement 8 de la gaine 5 et jouant la rôle d4e butées anti-retour.In the clamping position affected by the spring rod 9 in FIG. 1, the hooking face 11 of its heel 10 abuts against the two flanges 21 of a depression hollowed out on the surface of the shoulder 8 of the sheath 5 and playing the role of non-return stops.

Par ailleurs, on constate figure 1 que l'extrémité li­bre, représentée en traits mixtes, de l'anneau 12 constitu­ant la tête de serrage du patin 1 du rail, peut s'étendre sur la cale de centrage 14 pour l'empêcher de s'échapper hors de son logement sous l'action de la force latérale qu'exerce la tige ressort 9 contre le semi-col 17 de la ca­le 14.Furthermore, it can be seen in FIG. 1 that the free end, shown in phantom, of the ring 12 constituting the tightening head of the shoe 1 of the rail, can extend over the centering shim 14 to prevent it from s escape out of its housing under the action of the lateral force exerted by the spring rod 9 against the semi-neck 17 of the wedge 14.

Suivant l'exemple de réalisation représenté figures 4, 5 et 6, le rail 1 repose sur une selle de centrage 4 par l'intermédiaire de la semelle élastique 3. A la manière connue, cette selle 4 est incluse dans un logement 22 de la traverse en béton, ou en bois 2. Les extrémités de la selle 4 sont percées d'un premier orifice 23 de section oblongue entouré d'une collerette 24, débouchant dans un second orifice 25 de forme sectorielle comme le montre la figure 6 pour permettre l'introduction de la tige ressort 9.According to the embodiment shown in Figures 4, 5 and 6, the rail 1 rests on a centering saddle 4 via the elastic sole 3. In known manner, this saddle 4 is included in a housing 22 of the concrete or wooden cross member 2. The ends of the saddle 4 are pierced with a first orifice 23 of oblong section surrounded by a flange 24, opening into a second orifice 25 of sectoral shape as shown in the Figure 6 to allow the introduction of the spring rod 9.

Dans un lamage 26, creusant la traverse en bois, ou en béton 2, est retenue une cuvette en acier 27 à paroi éva­sée vers le bas dont le fond, percé d'un orifice 28 de section correspondant à un alésage 29 de la traverse 2 prolongeant verticalement l'orifice 25 de la selle 4, ré­serve un rebord 30 creusé d'une dépression 31 qu coopère avec la face 11 du talon 10 de la tige ressort 9.In a counterbore 26, digging the wooden cross member, or concrete 2, a steel bowl 27 with a flared wall is retained, the bottom of which is pierced with an orifice 28 of section corresponding to a bore 29 of the cross member 2 vertically extending the orifice 25 of the saddle 4, reserves a rim 30 hollowed out by a depression 31 which cooperates with the face 11 of the heel 10 of the spring rod 9.

Suivant l'exemple de réalisation représenté figure 7, le rail 1 repose aussi sur une selle 4, par ailleurs fixée à la traverse en bois, ou en béton 2 au moyen de tirefonds, ou de gaines d'ancrage isolantes connues sous la marque "Plastirail".According to the embodiment shown in Figure 7, the rail 1 also rests on a saddle 4, also fixed to the wooden cross member, or concrete 2 by means of lag bolts, or insulating anchor sheaths known under the brand " Plastirail ".

Cette selle 4 réalisée en métal ou en maitère plastique, comporte, à ses extrémités saillantes 32, le moyen de ten­sion de la tige ressort 9. A cet effet, la partie 32 est percée d'un premier orifice 33 de section oblongue permet­tant l'introduction de la tige 9 et précédant un second orifice 34 de section circulaire. De la différence des dia­mètres des orifices 33 et 34 résulte un épaulement qui peut affecter une pente descendante 35 dirigée vers le patin 1 du rail. Cet épaulement comporte une dépression dont les rebords 36 jouent le rôle de butés anti-retour du talon 10 de la tige ressort. Dans la position de serrage représentée figure 7, une cale 37 peut être introduite dans l'orifice 33 de la selle 4 pour immobiliser la tige ressort 9. Toute­fois, la cale n'est pas nécessaire si une partie de l'alé­sage 33 est rétreinte comme repésentée figure 8, pour for­mer deux butées régnant sur toute la hauteur de l'alésage et empêchant une flexion de la tige ressort 9.This saddle 4 made of metal or plastic, comprises, at its projecting ends 32, the tensioning means of the spring rod 9. To this end, the part 32 is pierced with a first orifice 33 of oblong section allowing the introduction of the rod 9 and preceding a second orifice 34 of circular section. The difference in the diameters of the orifices 33 and 34 results in a shoulder which can affect a downward slope 35 directed towards the shoe 1 of the rail. This shoulder has a depression, the flanges 36 of which act as non-return stops for the heel 10 of the spring rod. In the clamping position shown in FIG. 7, a shim 37 can be introduced into the orifice 33 of the saddle 4 to immobilize the spring rod 9. However, the shim is not necessary if part of the bore 33 is constricted as shown in FIG. 8, to form two stops ruling over the entire height of the bore and preventing bending of the spring rod 9.

En se référant au schéma de la figure 9, on comprendra mieux le principe de serrage à double action que procure le dispositif objet de l'invention.Referring to the diagram in Figure 9, we will better understand the principle of double action clamping that provides the device object of the invention.

Sur ce schéma, la ligne XXʹ représente l'axe de pivote­ment de la tige de fixaiton 9, tandis que la ligne YYʹ représent l'axe de déplacement de la tête ressort 12 de la tige 9.In this diagram, the line XXʹ represents the pivot axis of the fixing rod 9, while the line YYʹ represents the axis of movement of the spring head 12 of the rod 9.

Lorsque la tige 9 est introduite dans la gaine d'ancra­ge 5, ou directement dans l'alésage de la traverse 2, ou encore dans la selle 4, la tête ressort 12 se trouve dans la position RN1 et le talon 10 dans la position B1.When the rod 9 is introduced into the anchoring sheath 5, or directly into the bore of the cross-member 2, or even into the saddle 4, the spring head 12 is in the RN1 position and the heel 10 in the B1 position .

En manoeuvrant la tige 9 d'un demi-tour autour de son axe XXʹ, on emmène la tête ressort 12 dans la position RN2 et le talon 10 dans la position B2 avec une contrainte égale à C, du fait de la différence de niveau entre les deux positions RN1 et RN2 résultant des faces en pente de la cale 14, ou de la selle 4 et du patin 1 du rail, et du fait du pssage du talon 10 de la position B1 à la position de retenue B2.By operating the rod 9 a half-turn around its axis XXʹ, we take the spring head 12 in the RN2 position and the heel 10 in the B2 position with a stress equal to C, due to the difference in level between the two positions RN1 and RN2 resulting from the sloping faces of the wedge 14, or of the saddle 4 and of the pad 1 of the rail, and due to the pssage of the heel 10 from the position B1 to the retaining position B2.

Cette contrainte est renforcée si le moyen de tension que constitue l'épaulement 8 dans la gaine d'ancrage 5, ou le rebord 30 de la cuvette 27, ou l'épaulement 35 dans la selle 4, est incliné suivant l'axe Bʹ1-Bʹ2 formant came.This constraint is reinforced if the tensioning means which constitutes the shoulder 8 in the anchoring sheath 5, or the rim 30 of the bowl 27, or the shoulder 35 in the saddle 4, is inclined along the axis Bʹ1- Bʹ2 forming cam.

On peut à loisir augmenter l'effet de serrage de la tête ressort 12 sur le patin 1 du rail, en inclinant l'axe XXʹ de pivotement de la tige 9 de manière à rendre l'angle XOY de plus en plus aigu.One can at leisure increase the clamping effect of the spring head 12 on the shoe 1 of the rail, by tilting the pivot axis XXʹ of the rod 9 so as to make the angle XOY more and more acute.

Il va de soi que des modifications de détails peuvent être apportées au dispositif qui vient d'être décrit sans pour autant s'écarter du cadre de l'invention.It goes without saying that modifications of details can be made to the device which has just been described without departing from the scope of the invention.

Claims (9)

1 - Dispositif de fixation élastique rapide d'un rail de chemin de fer sur des traverses, comprenant une tige (9) comportant, à l'une de ses extrémités, une tête ressort (12) en forme d'anneau ouvert destiné à s'appuyer contre le patin (1) du rail centré sur la traverse au moyen d'une cale (14) et, à son autre extrémité, un talon excentré (10) suscepti­ble de coopérer avec un moyen d'accrochage associé à la traverse (2) ou à une selle (4) et permettant de mettre en tension la tête ressort (12) sur le patin (1) du rail, caractérisé par le fait que la face supérieure de la cale (14) ou de la selle (4,32) est en pente dans le prolongement de celle du patin (1) du rail de façon que la différence de niveau qui en résulte exerce une tension de la tête res­sort (12) sur ledit patin (1) du rail après que la tige (9) ait été manoeuvrée d'un demi-tour, et par le fait que le crochet (11) de la tige (9) coopère avec un épaule­ment (8) résevé dans une gaine d'ancrage isolante (5) du genre 'Plastirail" insérée dans la traverse et exerçant une traction supplémentaire.1 - Device for rapid elastic fixing of a railway rail on sleepers, comprising a rod (9) comprising, at one of its ends, a spring head (12) in the form of an open ring intended for s '' press against the shoe (1) of the rail centered on the crossmember by means of a wedge (14) and, at its other end, an eccentric heel (10) capable of cooperating with a hooking means associated with the crossmember ( 2) or with a saddle (4) and making it possible to tension the spring head (12) on the shoe (1) of the rail, characterized in that the upper face of the wedge (14) or of the saddle (4 , 32) is sloping in the extension of that of the shoe (1) of the rail so that the resulting level difference exerts a tension of the spring head (12) on said shoe (1) of the rail after the rod (9) has been operated by a half-turn, and by the fact that the hook (11) of the rod (9) cooperates with a shoulder (8) reserved in an insulating anchoring sheath (5) of the kind ' Plastira it "inserted into the cross member and exerting additional traction. 2 - Dispositif suivant la revendication 1, caractérisé par le fait qu'un moyen d'accrochage du talon (10) de la tige (9) est constitué par le rebord (30) d'une cuvette en acier (27) percée d'un orifice (28) pour le passage de la tige (9) et incluse dans un lamage (26) précédant un alésa­ge (29) creusé dans la traverse en bois ou en béton sur laquelle repose la selle (4) de centrage du rail (1) dont chaque extrémité est percée d'un premier orifice (23) sur­monté d'une collerette (24) et d'un second orifice (25) pour le passage de ladite tige (9), ces deux orifices ayant une forme oblongue, respectivement sectorielle.2 - Device according to claim 1, characterized in that a means for hooking the heel (10) of the rod (9) consists of the flange (30) of a steel bowl (27) pierced with an orifice (28) for the passage of the rod (9) and included in a counterbore (26) preceding a bore (29) hollowed out in the wooden or concrete cross member on which the saddle (4) for centering the rail ( 1) each end of which is pierced with a first orifice (23) surmounted by a collar (24) and a second orifice (25) for the passage of said rod (9), these two orifices having an oblong shape, respectively sectoral. 3 - Dispositif suivant la revendication 1, caractérisé par le fait qu'un moyen susceptible de coopérer avec le crochet (11) de la tige (9) est constitué par un épaulement (35) réservé dans la selle (4) reposant sur la traverse (2) en béton, ou en bois, ledit épaulement résultant de la dif­férence de section de deux orifices (33,34) percés dans les extrémités saillantes (32) de la selle (4) pour le passage de la tige (9).3 - Device according to claim 1, characterized in that a means capable of cooperating with the hook (11) of the rod (9) is constituted by a shoulder (35) reserved in the saddle (4) resting on the cross (2) concrete, or wood, said shoulder resulting from the difference in section of two orifices (33,34) drilled in the projecting ends (32) of the saddle (4) for the passage of the rod (9). 4 - Dispositif suivant la revendication 1, caractérisé par le fait que la cale (14) de centrage du patin (1) du rail est percée d'un orifice (16) surmonté d'une colleret­te (17) pour le passage de la tige (9), avec laquelle elle constitue un ensemble amovible.4 - Device according to claim 1, characterized in that the wedge (14) for centering the shoe (1) of the rail is pierced with an orifice (16) surmounted by a flange (17) for the passage of the rod (9), with which it constitutes a removable assembly. 5 - Dispositif suivant les revendications 1, 2 et 3, caractérisé par le fait que l'épaulement (8,30,35) de rete­nue du talon (10) de la tige ressort (9), est en pente des­cendante vers le patin (1) du rail pour jouer le rôle d'une came.5 - Device according to claims 1, 2 and 3, characterized in that the shoulder (8,30,35) retaining the heel (10) of the spring rod (9), slopes down towards the shoe ( 1) rail to play the role of a cam. 6 - Dispositif suivant la revendication 1, caractérisé par le fait qu'un alésage (6) de section oblongue creusant la gaine d'ancrage (5) comporte une partie rétreinte sur toute sa hauteur formant deux butées maintenant la tige (9) dans l'autre partie et empêchant sa flexion.6 - Device according to claim 1, characterized in that a bore (6) of oblong section digging the anchoring sheath (5) has a portion narrowed over its entire height forming two stops holding the rod (9) in the other part and preventing its bending. 7 - Dispositif suivant les revendications 1, 2 et 3, caractérisé par le fait que l'épaulement (8,30,35) est creusé d'une dépression dont les rebords (21,36) forment butées anti-retour du talon (10) de ladite tige (9).7 - Device according to claims 1, 2 and 3, characterized in that the shoulder (8,30,35) is hollowed out of a depression whose flanges (21,36) form non-return stops of the heel (10 ) of said rod (9). 8 - Dispositif suivant les revendications 1 et 3, carac­térisé par le fait que la tige (9) est coincée dans les orifices (33,34) des extrémités (32) de la selle (4) au moyen d'une cale (37).8 - Device according to claims 1 and 3, characterized in that the rod (9) is wedged in the holes (33,34) of the ends (32) of the saddle (4) by means of a wedge (37) . 9 - Dispositif suivant la revendication 1, caractérisé par le fait que la tige ressort (9) est en fil d'acier, ou en matière plastique renforcée.9 - Device according to claim 1, characterized in that the spring rod (9) is made of steel wire, or reinforced plastic.
EP87420331A 1986-12-12 1987-12-11 Swift action elastic fastening device for a railway rail Expired - Lifetime EP0275800B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IN952/CAL/87A IN168933B (en) 1986-12-12 1987-12-04
AT87420331T ATE58766T1 (en) 1986-12-12 1987-12-11 FAST ACTING RESILIENT FASTENING DEVICE FOR RAILWAY RAILS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8617614A FR2608182B1 (en) 1986-12-12 1986-12-12 DEVICE FOR QUICK ELASTIC FIXING OF A RAILWAY RAIL
FR8617614 1986-12-12

Publications (2)

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EP0275800A1 true EP0275800A1 (en) 1988-07-27
EP0275800B1 EP0275800B1 (en) 1990-11-28

Family

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Application Number Title Priority Date Filing Date
EP87420331A Expired - Lifetime EP0275800B1 (en) 1986-12-12 1987-12-11 Swift action elastic fastening device for a railway rail

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US (1) US4927078A (en)
EP (1) EP0275800B1 (en)
JP (1) JPH01501720A (en)
AU (1) AU601800B2 (en)
CA (1) CA1326224C (en)
DE (1) DE3766486D1 (en)
ES (1) ES2019966B3 (en)
FR (1) FR2608182B1 (en)
GR (1) GR3001233T3 (en)
WO (1) WO1988004342A1 (en)

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WO1999039053A1 (en) * 1998-01-19 1999-08-05 Hen-See Teknik Ab Rail bounded transport system

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US5203501A (en) * 1992-01-21 1993-04-20 Etablissements Vape Device for fixing a rail onto a slab of concrete
AU652883B2 (en) * 1992-03-13 1994-09-08 General And Railway Supplies Pty Ltd Resilient fastening aid for concrete railway sleepers
US6561428B2 (en) * 1997-10-17 2003-05-13 Hand Held Products, Inc. Imaging device having indicia-controlled image parsing mode
FR2776683A1 (en) 1998-03-27 1999-10-01 Spie Batignolles Tp RAIL TRACK CONSTRUCTION METHOD, UNIT TRACK PANEL, MACHINE FOR DEPOSITING SUCH PANELS, CONCRETE MACHINE, AND RAIL TRACK
DE102005058444B3 (en) * 2005-12-07 2007-04-26 Db Netz Ag Fastening means for rails onto sleepers or tracks has sprung clamp with curved pressure strap having clip straps brought with rail foot into pre-tensioned position when turned, clamp anchorage with guide means
GB2435285A (en) * 2006-02-21 2007-08-22 Pandrol Ltd Fastening railway rails
US20090057435A1 (en) * 2007-08-27 2009-03-05 Jude Igwemezie P-clip clip for retaining rails
FR3048250B1 (en) * 2016-02-29 2020-11-13 Railtech Int ANCHORING ELEMENT AND RAILWAY CROSSING

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Also Published As

Publication number Publication date
FR2608182B1 (en) 1990-08-24
ES2019966B3 (en) 1991-07-16
US4927078A (en) 1990-05-22
GR3001233T3 (en) 1992-07-30
DE3766486D1 (en) 1991-01-10
AU1051488A (en) 1988-06-30
CA1326224C (en) 1994-01-18
FR2608182A1 (en) 1988-06-17
WO1988004342A1 (en) 1988-06-16
AU601800B2 (en) 1990-09-20
JPH01501720A (en) 1989-06-15
JPH0465921B2 (en) 1992-10-21
EP0275800B1 (en) 1990-11-28

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