EP2287401A2 - Fixation device of blocs of semi-switches or frogs on their support - Google Patents

Fixation device of blocs of semi-switches or frogs on their support Download PDF

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Publication number
EP2287401A2
EP2287401A2 EP10305812A EP10305812A EP2287401A2 EP 2287401 A2 EP2287401 A2 EP 2287401A2 EP 10305812 A EP10305812 A EP 10305812A EP 10305812 A EP10305812 A EP 10305812A EP 2287401 A2 EP2287401 A2 EP 2287401A2
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EP
European Patent Office
Prior art keywords
bolt
concrete
support
heart
threaded rod
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
EP10305812A
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German (de)
French (fr)
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EP2287401A3 (en
EP2287401B1 (en
Inventor
Philippe Mugg
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Vossloh COGIFER SA
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Vossloh COGIFER SA
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Publication of EP2287401A2 publication Critical patent/EP2287401A2/en
Publication of EP2287401A3 publication Critical patent/EP2287401A3/en
Application granted granted Critical
Publication of EP2287401B1 publication Critical patent/EP2287401B1/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
    • E01B7/00—Switches; Crossings
    • E01B7/22—Special sleepers for switches or crossings; Fastening means therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B21/00—Track superstructure adapted for tramways in paved streets
    • E01B21/04—Special fastenings, joint constructions, or tie-rods
    • 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
    • E01B9/66—Rail fastenings allowing the adjustment of the position of the rails, so far as not included in the preceding groups

Definitions

  • the present invention relates to the field of railway infrastructure, in particular track equipment, including tramway, and relates to a set of fixing half-turn blocks or hearts of switchgear on their support.
  • Such a set of fixing blocks of half-switches or hearts of switchgear on their support comprising such a block and a support formed by at least one concrete cross, with the interposition of an elastic sole between a block of half-switch or heart, having a footprint, receiving a moving needle, or a rut of a crossing heart, and said support formed by at least one concrete crossbar, and a bolt, is in particular known by FR-A-2,865,225 .
  • these sets for fixing the half-turn blocks or the switch-head cores are generally produced by means of elements laterally projecting along both sides of the half-switch or the heart. These laterally protruding elements have a relatively large size, due to the presence of fasteners, generally elastic, fixing bolts and protective covers.
  • the metal parts of the streetway apparatuses are embedded in the roadway and are wrapped or dressed on the three recessed faces, namely the underside and the two side faces, of electrically insulating coating material, both electrically and against vibrations, of variable density.
  • the fasteners used for fastening may be subject to crushing when laying coatings, so that their performance is reduced.
  • the present invention aims to overcome these drawbacks by proposing a set of fastening blocks of half-switches or hubs on their support, formed by at least one concrete crossbar, allowing subsequent work laying and removing a half-switch or a heart without requiring specific pavement work.
  • the assembly for fixing the blocks of half-switches or hubs of track apparatus on their support comprising such a block and a support formed by at least one concrete cross-member, with the interposition of an elastic sole.
  • a half-point or core block, having a receiving recess of a moving needle, or a rut of a crossing heart, and said support formed by at least one concrete cross member and a bolt in accordance with the the invention is characterized in that said bolt is integrated in the half-point or core block, the threaded shank of the screw passing through a corresponding opening of the half-point or core block, under the impression, of receiving the mobile needle, or the rut of a crossing heart, and cooperates, with a clamping nut resting on the bottom of a corresponding housing, under the impression, receiving the moving needle, or the rut of a crossing heart, and the screw head being guided translationally in a corresponding longitudinal groove of a profile embedded in the support formed by the concrete sleeper.
  • the figure 1 appended drawings represents a half-switch of a switchgear 1 comprising a half-switching block 2 provided with an impression 2 'for receiving a moving needle 3, said half-switching block 2 being mounted on a support formed by at least one concrete cross-member 4 with the interposition of an elastic sole 5 ( Figures 2 to 6 ) between said half-point 2 or core block having a cavity 2 'receiving a movable needle 3 or a rut of a crossing heart, and said support formed by at least one concrete cross member 4 and a bolt 7.
  • the invention is only described about a half-switch. However, it is also applicable to a crossing heart and, in such a case, the footprint 2 'is simply constituted by a rut of the crossing heart. In the following description, it will therefore each time refers to the half-switch shown or a crossing heart, the latter not being shown.
  • the half-switching block 2, or the crossing core is fixed on the support formed by at least one concrete crossbar 4, by means of a device 6 for fixing the switch halves of the switchgear or cross hearts.
  • the bolt 7 is integrated in the block 2 of half-switch or heart, the threaded rod 70 of the screw passing through a corresponding opening 8 of the block 2 half-switch or heart, under the impression 2 ', receiving the movable needle 3, or the rut of a crossing heart, and cooperates with a clamping nut 71 resting on the bottom of a corresponding housing 2 ", under the impression 2 ', receiving the movable needle 3, or the rut of a crossing heart, and the screw head 72 being guided in translation in a corresponding longitudinal groove 91 of a profile 9 embedded in the support formed by the cross member. concrete 4.
  • the nut 71 is supported on the bottom of the housing 2 ", under the cavity 2 ', for receiving the movable needle 3, or the rut of the core, via a stack of washers 10, the opening 8 through the threaded rod 70 being provided with a shouldered insulating sleeve 11.
  • the shouldered insulating sleeve 11 on the one hand, is pressed against the bottom of the housing 2 "by its shoulder and, on the other hand, delimits between the opening 8 and the threaded rod 70 an insulating wall.
  • the stack of washers 10 advantageously consists of a superposition of Belleville type spring washers mounted on the threaded rod 70 between two flat end washers.
  • the flat end washers serve, respectively, on the one hand, to bear on the shoulder portion of the sleeve 11 and, on the other hand, to bear against the clamping nut 71.
  • This clamping nut 71 is advantageously a self-locking nut.
  • the housing 2 In order to ensure protection of the threaded rod 70 of the nut 71 and the stack of washers 10, the housing 2 "is advantageously closed by a cap 12 for protection and sealing.
  • the profile 9 embedded in the concrete forming each crosspiece 4 of the support is in the form of a metal profile, provided with a longitudinal groove 91 open towards the upper face of said concrete crossbar 4 and sealed in said concrete crossbar 4, the longitudinal groove 91 having a cross-section of shape cooperating with that of the screw head 72 of the bolt 7, advantageously by shape-forming two diametrically opposite parts of the internal face of the screw head 72 with ribs of the edges of the groove 91 projecting towards the bottom of said groove.
  • the screw head 72 has, as shown in FIG. figure 6 appended drawings, a rectangular section of width equal to that of the diameter of the threaded rod 70 and the opening 8 for passage of the threaded rod 70 is in the form of an oblong hole, whose length corresponds to the diameter of the housing 2 provided in the block 2 of half-switch or core and whose width is equal to the diameter of the sleeve 8 of electrical insulation of the bolt 7, the longitudinal axis of this oblong hole being aligned with that of the groove 91 of the profile 9.
  • the profile 9, completely embedded in the concrete crossbar 4, from which it emerges only through the opening of the longitudinal groove 91 is perfectly maintained in said concrete crossbar 4 and on the other hand due to the cooperating shape sections of the screw head 72 and of the interior the groove 91, said screw head is kept rotated, so that the nut 71 can be tightened without risk of disassembly of the screw.
  • the bolt 7 is, before its assembly for fixing a block 2, fully equipped with the shouldered insulating sleeve 11, the stack of washers 10 and the nut 71.
  • the mounting of the bolt 7 in order to fix a block 2 on a crossbar 4 takes place, after prior placement of the block 2 on the crosspiece 4 with the interposition of an elastic sole 5, by introduction of the head of the bolt 7, positioned along the longitudinal axis of the profile 9 of the cross member 4 and along the longitudinal axis of the oblong hole forming the opening 8, in said opening 8, after prior alignment of the opening 8 with the longitudinal axis of the profile 9.
  • the screw head 72 is then inserted into the groove 91, until it touches the bottom of the latter and is turned by a quarter of a revolution by manual action on the nut 71.
  • a pull on the nut 71 then allows the engaging the inner face of the screw head 72 with the ribs of the edges of the groove 91, so that the screw is locked in rotation.
  • a subsequent screwing by manual action on the nut will then make it possible to apply the stack of washers 10, on the one hand, against the shouldered insulating sleeve 11 and, on the other hand, against the nut 71 and a clamping final will then be performed by means of a mechanical clamping device of known type.
  • the entire device may be provided with the cap 12 for protection and sealing, so that any infiltration of water and / or any penetration of dirt can be avoided.
  • the device 6 for fixing the half-switches or the heart of a switchgear on their support is integrated with the block 2 of half-switch or core, the lateral faces of this block 2 can remain uniformly flat, so that they do not require any particular means, such as fastener protection covers and the removal and reassembly of a half-switch or a core can be performed without requiring preliminary pavement work for access to traditional lateral fasteners, resulting in a significant shortening of the immobilisation of a roadway.
  • the same mounting mode of the bolt 7 prevents any problem related to the electrical insulation of the track, including the shunt type between two rails.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Railway Tracks (AREA)

Abstract

The device (6) has a clamping nut i.e. locknut, supported on a base of a retainer under a recess (2') for accommodating a movable switch (3) or wheel track of a frog, where the device has a shape of a bolt. A screw-shaped threaded shaft of the bolt traverses a corresponding opening of a half-point- or crossing block, and co-operates with the clamping nut. A screw head of the bolt is translatively guided into a longitudinal groove of a profile part that lies in a carrier i.e. concrete sleeper (4).

Description

La présente invention concerne le domaine de l'infrastructure ferroviaire, en particulier des matériels de voie, notamment de tramway, et a pour objet un ensemble de fixation des blocs de demi-aiguillages ou de coeurs d'appareils de voie sur leur support.The present invention relates to the field of railway infrastructure, in particular track equipment, including tramway, and relates to a set of fixing half-turn blocks or hearts of switchgear on their support.

Un tel ensemble de fixation des blocs de demi-aiguillages ou de coeurs d'appareils de voie sur leur support, comprenant un tel bloc et un support formé par au moins une traverse en béton, avec interposition d'une semelle élastique entre un bloc de demi-aiguillage ou de coeur, comportant une empreinte, de réception d'une aiguille mobile, ou une ornière d'un coeur de croisement, et ledit support formé par au moins une traverse en béton, et un boulon, est notamment connu par FR-A-2 865 225 .Such a set of fixing blocks of half-switches or hearts of switchgear on their support, comprising such a block and a support formed by at least one concrete cross, with the interposition of an elastic sole between a block of half-switch or heart, having a footprint, receiving a moving needle, or a rut of a crossing heart, and said support formed by at least one concrete crossbar, and a bolt, is in particular known by FR-A-2,865,225 .

Actuellement, ces ensembles de fixation des blocs de demi-aiguillages ou de coeurs d'appareil de voie, en particulier mis en oeuvre dans le domaine de l'infrastructure des matériels de voie pour tramway, sont généralement réalisées au moyen d'éléments latéralement en saillie le long des deux côtés du demi-aiguillage ou du coeur. Ces éléments latéralement en saillie présentent un encombrement relativement important, du fait de la présence des attaches, généralement élastiques, des boulons de fixation et des capots de protection.At present, these sets for fixing the half-turn blocks or the switch-head cores, in particular implemented in the field of tram track equipment infrastructure, are generally produced by means of elements laterally projecting along both sides of the half-switch or the heart. These laterally protruding elements have a relatively large size, due to the presence of fasteners, generally elastic, fixing bolts and protective covers.

De manière habituelle, les parties métalliques des appareils de voie pour tramway sont encastrées dans la chaussée et sont enveloppées ou habillées sur les trois faces encastrées, à savoir le dessous et les deux faces latérales, de matériaux de revêtement isolants, tant électriquement que contre les vibrations, de densité variable.Typically, the metal parts of the streetway apparatuses are embedded in the roadway and are wrapped or dressed on the three recessed faces, namely the underside and the two side faces, of electrically insulating coating material, both electrically and against vibrations, of variable density.

Ces matériaux de revêtement isolants servent d'appui aux revêtements de chaussée, qui sont mis en oeuvre par un collage en voie d'éléments préfabriqués. Or, la présence des dispositifs de fixation latérale prévus sous forme d'éléments latéralement en saillie le long des deux côtés du demi-aiguillage ou du coeur rend cette mise en oeuvre très difficile.These insulating coating materials serve as a support for pavement surfaces, which are implemented by prefabricated element gluing. However, the presence of the lateral fasteners provided in the form of laterally projecting elements along the two sides of the half-switch or the core makes this implementation very difficult.

En effet, pour réaliser un encastrement des dispositifs de fixation, il est nécessaire de découper les éléments préfabriqués formant les revêtements de chaussée, ce qui entraîne une perte de temps importante, alors que le résultat obtenu n'est pas optimal. En outre, les attaches utilisées pour la fixation peuvent être sujettes à un écrasement lors de la pose des revêtements, de sorte que leur performance sont réduites.Indeed, to achieve a recess fixing devices, it is necessary to cut the prefabricated elements forming the road surfaces, which causes a significant loss of time, while the result is not optimal. In addition, the fasteners used for fastening may be subject to crushing when laying coatings, so that their performance is reduced.

La présente invention a pour but de pallier ces inconvénients en proposant un ensemble de fixation des blocs de demi-aiguillages ou de coeurs d'appareil de voie sur leur support, formé par au moins une traverse en béton, permettant, des travaux ultérieurs de pose et de dépose d'un demi-aiguillage ou d'un coeur sans nécessiter de travaux de chaussée spécifiques.The present invention aims to overcome these drawbacks by proposing a set of fastening blocks of half-switches or hubs on their support, formed by at least one concrete crossbar, allowing subsequent work laying and removing a half-switch or a heart without requiring specific pavement work.

A cet effet, l'ensemble de fixation des blocs de demi-aiguillages ou de coeurs d'appareils de voie sur leur support, comprenant un tel bloc et un support formé par au moins une traverse en béton, avec interposition d'une semelle élastique entre un bloc de demi-aiguillage ou de coeur, comportant une empreinte de réception d'une aiguille mobile, ou une ornière d'un coeur de croisement, et ledit support formé par au moins une traverse en béton et un boulon, conforme à l'invention, est caractérisé en ce que ledit boulon est intégré au bloc de demi-aiguillage ou de coeur, la tige filetée de la vis traversant une ouverture correspondante du bloc de demi-aiguillage ou de coeur, sous empreinte, de réception de l'aiguille mobile, ou l'ornière d'un coeur de croisement, et coopère, avec un écrou de serrage s'appuyant sur le fond d'un logement correspondant, sous l'empreinte, de réception de l'aiguille mobile, ou l'ornière d'un coeur de croisement, et la tête de vis étant guidée en translation dans une rainure longitudinale correspondante d'un profilé noyé dans le support formé par la traverse en béton.For this purpose, the assembly for fixing the blocks of half-switches or hubs of track apparatus on their support, comprising such a block and a support formed by at least one concrete cross-member, with the interposition of an elastic sole. between a half-point or core block, having a receiving recess of a moving needle, or a rut of a crossing heart, and said support formed by at least one concrete cross member and a bolt, in accordance with the the invention is characterized in that said bolt is integrated in the half-point or core block, the threaded shank of the screw passing through a corresponding opening of the half-point or core block, under the impression, of receiving the mobile needle, or the rut of a crossing heart, and cooperates, with a clamping nut resting on the bottom of a corresponding housing, under the impression, receiving the moving needle, or the rut of a crossing heart, and the screw head being guided translationally in a corresponding longitudinal groove of a profile embedded in the support formed by the concrete sleeper.

L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence aux dessins schématiques annexés, dans lesquels :

  • la figure 1 est une vue en plan d'un demi-aiguillage pourvu de dispositifs de fixation conforme à l'invention;
  • la figure 2 est une vue en coupe suivant A-A de la figure 1 ;
  • la figure 3 est une vue analogue à celle de la figure 2, suivant B-B de la figure 1 ;
  • la figure 4 est une vue analogue à celles des figures 2 et 3, suivant C-C de la figure 1;
  • la figure 5 est une vue en coupe à plus grande échelle représentant le serrage du dispositif, et
  • la figure 6 est une vue partielle en plan représentant le montage de la tête de vis à travers l'ouverture correspondante du fond du logement de l'écrou de serrage.
The invention will be better understood, thanks to the following description, which refers to a preferred embodiment, given by way of non-limiting example, and explained with reference to the attached schematic drawings, in which:
  • the figure 1 is a plan view of a half-switch provided with fixing devices according to the invention;
  • the figure 2 is a sectional view along AA of the figure 1 ;
  • the figure 3 is a view similar to that of the figure 2 , following BB of the figure 1 ;
  • the figure 4 is a view similar to those of Figures 2 and 3 , according to CC of the figure 1 ;
  • the figure 5 is a sectional view on a larger scale showing the tightening of the device, and
  • the figure 6 is a partial plan view showing the mounting of the screw head through the corresponding opening in the bottom of the housing of the clamping nut.

La figure 1 des dessins annexés représente un demi-aiguillage d'appareil de voie 1 comportant un bloc de demi-aiguillage 2 muni d'une empreinte 2' de réception d'une aiguille mobile 3, ledit bloc de demi-aiguillage 2 étant monté sur un support formé par au moins une traverse en béton 4 avec interposition d'une semelle élastique 5 (figures 2 à 6) entre ledit bloc de demi-aiguillage 2 ou de coeur comportant une empreinte 2' de réception d'une aiguille mobile 3 ou une ornière d'un coeur de croisement, et ledit support formé par au moins une traverse en béton 4 et un boulon 7.The figure 1 appended drawings represents a half-switch of a switchgear 1 comprising a half-switching block 2 provided with an impression 2 'for receiving a moving needle 3, said half-switching block 2 being mounted on a support formed by at least one concrete cross-member 4 with the interposition of an elastic sole 5 ( Figures 2 to 6 ) between said half-point 2 or core block having a cavity 2 'receiving a movable needle 3 or a rut of a crossing heart, and said support formed by at least one concrete cross member 4 and a bolt 7.

L'invention est uniquement décrite à propos d'un demi-aiguillage. Cependant, elle est aussi applicable à un coeur de croisement et, dans un tel cas, l'empreinte 2' est simplement constituée par une ornière du coeur de croisement. Dans la description qui suit, il sera donc à chaque fois fait référence au demi-aiguillage représenté ou à un coeur de croisement, ce dernier n'étant pas représenté.The invention is only described about a half-switch. However, it is also applicable to a crossing heart and, in such a case, the footprint 2 'is simply constituted by a rut of the crossing heart. In the following description, it will therefore each time refers to the half-switch shown or a crossing heart, the latter not being shown.

Le bloc de demi-aiguillage 2, ou le coeur de croisement est fixé sur le support formé par au moins une traverse en béton 4, par l'intermédiaire d'un dispositif 6 de fixation des demi-aiguillages d'appareil de voie ou des coeurs de croisement.The half-switching block 2, or the crossing core is fixed on the support formed by at least one concrete crossbar 4, by means of a device 6 for fixing the switch halves of the switchgear or cross hearts.

Conformément à l'invention et comme le montrent les figures 2 à 6 des dessins annexés, le boulon 7 est intégré au bloc 2 de demi-aiguillage ou de coeur, la tige filetée 70 de la vis traversant une ouverture correspondante 8 du bloc 2 de demi-aiguillage ou de coeur, sous l'empreinte 2', de réception de l'aiguille mobile 3, ou l'ornière d'un coeur de croisement, et coopère, avec un écrou de serrage 71 s'appuyant sur le fond d'un logement correspondant 2", sous l'empreinte 2', de réception de l'aiguille mobile 3, ou l'ornière d'un coeur de croisement, et la tête de vis 72 étant guidée en translation dans une rainure longitudinale correspondante 91 d'un profilé 9 noyé dans le support formé par la traverse en béton 4.According to the invention and as shown by Figures 2 to 6 appended drawings, the bolt 7 is integrated in the block 2 of half-switch or heart, the threaded rod 70 of the screw passing through a corresponding opening 8 of the block 2 half-switch or heart, under the impression 2 ', receiving the movable needle 3, or the rut of a crossing heart, and cooperates with a clamping nut 71 resting on the bottom of a corresponding housing 2 ", under the impression 2 ', receiving the movable needle 3, or the rut of a crossing heart, and the screw head 72 being guided in translation in a corresponding longitudinal groove 91 of a profile 9 embedded in the support formed by the cross member. concrete 4.

De préférence, l'écrou 71 s'appuie sur le fond du logement 2", sous l'empreinte 2', de réception de l'aiguille mobile 3, ou l'ornière du coeur, par l'intermédiaire d'un empilement de rondelles 10, l'ouverture 8 de passage de la tige filetée 70 étant pourvu d'un manchon isolant épaulé 11. Il en résulte que, lors du serrage de l'écrou 71 sur la tige filetée 70, cette dernière ne peut pas entrer en contact avec le bloc 2 de demi-aiguillage ou de coeur, de sorte que toute possibilité de conduction électrique entre le boulon 7 et le bloc 2 est totalement évitée. En effet, le manchon isolant épaulé 11, d'une part, s'applique contre le fond du logement 2" par son épaulement et, d'autre part, délimite entre l'ouverture 8 et la tige filetée 70 une paroi isolante.Preferably, the nut 71 is supported on the bottom of the housing 2 ", under the cavity 2 ', for receiving the movable needle 3, or the rut of the core, via a stack of washers 10, the opening 8 through the threaded rod 70 being provided with a shouldered insulating sleeve 11. As a result, when the nut 71 is tightened on the threaded rod 70, the latter can not enter. contact with the block 2 of half-switch or of heart, so that any possibility of electrical conduction between the bolt 7 and the block 2 is completely avoided. Indeed, the shouldered insulating sleeve 11, on the one hand, is pressed against the bottom of the housing 2 "by its shoulder and, on the other hand, delimits between the opening 8 and the threaded rod 70 an insulating wall.

Comme le montre plus particulièrement la figure 6 des dessins annexés, l'empilement de rondelles 10 consiste avantageusement en une superposition de rondelles élastiques de type Belleville montées sur la tige filetée 70 entre deux rondelles plates d'extrémité.As shown more particularly in figure 6 appended drawings, the stack of washers 10 advantageously consists of a superposition of Belleville type spring washers mounted on the threaded rod 70 between two flat end washers.

Les rondelles plates d'extrémité servent, respectivement, d'une part, à l'appui sur la partie épaulée du manchon 11 et, d'autre part, à l'appui contre l'écrou de serrage 71.The flat end washers serve, respectively, on the one hand, to bear on the shoulder portion of the sleeve 11 and, on the other hand, to bear against the clamping nut 71.

Cet écrou de serrage 71 est avantageusement un écrou autobloquant. Afin d'assurer une protection de la tige filetée 70 de l'écrou 71 et de l'empilement de rondelles 10, le logement 2" est avantageusement fermé par un capuchon 12 de protection et d'étanchéité.This clamping nut 71 is advantageously a self-locking nut. In order to ensure protection of the threaded rod 70 of the nut 71 and the stack of washers 10, the housing 2 "is advantageously closed by a cap 12 for protection and sealing.

Le profilé 9 noyé dans le béton formant chaque traverse 4 du support se présente sous forme d'un profilé métallique, muni d'une rainure longitudinale 91 ouverte vers la face supérieure de ladite traverse en béton 4 et scellé dans ladite traverse en béton 4, la rainure longitudinale 91 présentant une section transversale de forme coopérante avec celle de la tête de vis 72 du boulon 7, avantageusement par coopération de forme de deux parties diamétralement opposées de la face interne de la tête de vis 72 avec des nervures des bords de la rainure 91 saillantes vers le fond de ladite rainure.The profile 9 embedded in the concrete forming each crosspiece 4 of the support is in the form of a metal profile, provided with a longitudinal groove 91 open towards the upper face of said concrete crossbar 4 and sealed in said concrete crossbar 4, the longitudinal groove 91 having a cross-section of shape cooperating with that of the screw head 72 of the bolt 7, advantageously by shape-forming two diametrically opposite parts of the internal face of the screw head 72 with ribs of the edges of the groove 91 projecting towards the bottom of said groove.

De préférence, la tête de vis 72 présente, comme le montre la figure 6 des dessins annexés, une section rectangulaire de largeur égale à celle du diamètre de la tige filetée 70 et l'ouverture 8 de passage de la tige filetée 70 se présente sous forme d'un trou oblong, dont la longueur correspond au diamètre du logement 2" prévu dans le bloc 2 de demi-aiguillage ou de coeur et dont la largeur est égale au diamètre du manchon 8 d'isolation électrique du boulon 7, l'axe longitudinal de ce trou oblong étant aligné avec celui de la rainure 91 du profilé 9.Preferably, the screw head 72 has, as shown in FIG. figure 6 appended drawings, a rectangular section of width equal to that of the diameter of the threaded rod 70 and the opening 8 for passage of the threaded rod 70 is in the form of an oblong hole, whose length corresponds to the diameter of the housing 2 provided in the block 2 of half-switch or core and whose width is equal to the diameter of the sleeve 8 of electrical insulation of the bolt 7, the longitudinal axis of this oblong hole being aligned with that of the groove 91 of the profile 9.

Ainsi, d'une part, le profilé 9, entièrement noyé dans la traverse en béton 4, dont il n'émerge que par l'ouverture de la rainure longitudinale 91 est parfaitement maintenu dans ladite traverse en béton 4 et, d'autre part, du fait des sections de forme coopérante de la tête de vis 72 et de intérieur de la rainure 91, ladite tête de vis est maintenue en rotation, de sorte que l'écrou 71 peut être serré sans risque de démontage de la vis.Thus, on the one hand, the profile 9, completely embedded in the concrete crossbar 4, from which it emerges only through the opening of the longitudinal groove 91 is perfectly maintained in said concrete crossbar 4 and on the other hand due to the cooperating shape sections of the screw head 72 and of the interior the groove 91, said screw head is kept rotated, so that the nut 71 can be tightened without risk of disassembly of the screw.

Le boulon 7 est, avant son montage pour la fixation d'un bloc 2, entièrement équipé du manchon isolant épaulé 11, de l'empilement de rondelles 10 et de l'écrou 71.The bolt 7 is, before its assembly for fixing a block 2, fully equipped with the shouldered insulating sleeve 11, the stack of washers 10 and the nut 71.

Le montage du boulon 7 en vue de la fixation d'un bloc 2 sur une traverse 4 s'effectue, après mise en place préalable du bloc 2 sur la traverse 4 avec interposition d'une semelle élastique 5, par introduction de la tête du boulon 7, positionnée suivant l'axe longitudinal du profilé 9 de la traverse 4 et suivant l'axe longitudinal du trou oblong formant l'ouverture 8, dans ladite ouverture 8, après alignement préalable de l'ouverture 8 avec l'axe longitudinal du profilé 9.The mounting of the bolt 7 in order to fix a block 2 on a crossbar 4 takes place, after prior placement of the block 2 on the crosspiece 4 with the interposition of an elastic sole 5, by introduction of the head of the bolt 7, positioned along the longitudinal axis of the profile 9 of the cross member 4 and along the longitudinal axis of the oblong hole forming the opening 8, in said opening 8, after prior alignment of the opening 8 with the longitudinal axis of the profile 9.

La tête de vis 72 est alors insérée dans la rainure 91, jusqu'à toucher le fond de cette dernière et est tournée d'un quart de tours par action manuelle sur l'écrou 71. Une traction sur l'écrou 71 permet alors d'enclencher la face interne de la tête de vis 72 avec les nervures des bords de la rainure 91, de telle sorte que la vis est bloquée en rotation. Un vissage consécutif par action manuelle sur l'écrou permettra alors de réaliser une application de l'empilement de rondelles 10, d'une part, contre le manchon isolant épaulé 11 et, d'autre part, contre l'écrou 71 et un serrage final sera alors effectué au moyen d'un dispositif de serrage mécanique de type connu.The screw head 72 is then inserted into the groove 91, until it touches the bottom of the latter and is turned by a quarter of a revolution by manual action on the nut 71. A pull on the nut 71 then allows the engaging the inner face of the screw head 72 with the ribs of the edges of the groove 91, so that the screw is locked in rotation. A subsequent screwing by manual action on the nut will then make it possible to apply the stack of washers 10, on the one hand, against the shouldered insulating sleeve 11 and, on the other hand, against the nut 71 and a clamping final will then be performed by means of a mechanical clamping device of known type.

Après ce serrage, l'ensemble du dispositif pourra être muni du capuchon 12 de protection et d'étanchéité, de sorte que toute infiltration d'eau et/ou toute pénétration de salissures pourra être évitée.After this tightening, the entire device may be provided with the cap 12 for protection and sealing, so that any infiltration of water and / or any penetration of dirt can be avoided.

Du fait que le dispositif 6 de fixation des demi-aiguillages ou du coeur d'appareil de voie sur leur support, conforme à l'invention, est intégré au bloc 2 de demi-aiguillage ou de coeur, les faces latérales de ce bloc 2 peuvent rester uniformément plate, de sorte qu'elles ne nécessitent aucun moyen particulier, tel que des capots de protection de moyens de fixation et que la dépose et le remontage d'un demi-aiguillage ou d'un coeur peuvent être effectués sans nécessiter des travaux préalables de chaussée en vue de l'accès à des fixations traditionnelles latérales, ce qui entraîne un raccourcissement important de l'immobilisation d'une chaussée. En outre, le mode même de montage du boulon 7 empêche tout problème lié à l'isolation électrique de la voie, notamment du type shuntage entre deux files de rails.Because the device 6 for fixing the half-switches or the heart of a switchgear on their support, according to the invention, is integrated with the block 2 of half-switch or core, the lateral faces of this block 2 can remain uniformly flat, so that they do not require any particular means, such as fastener protection covers and the removal and reassembly of a half-switch or a core can be performed without requiring preliminary pavement work for access to traditional lateral fasteners, resulting in a significant shortening of the immobilisation of a roadway. In addition, the same mounting mode of the bolt 7 prevents any problem related to the electrical insulation of the track, including the shunt type between two rails.

En effet, le dispositif conforme à l'invention est totalement intégré dans l'empreinte 2' du bloc 2 de demi-aiguillage ou l'ornière du coeur, de sorte qu'il peut facilement et avantageusement être monté et préréglé en atelier sur des supports à rainures.Indeed, the device according to the invention is fully integrated in the footprint 2 'of the half-switch block 2 or the rut of the heart, so that it can easily and advantageously be mounted and pre-set in the workshop on grooved supports.

Il en résulte la possibilité de réaliser un élément unitaire de transport comportant un demi-aiguillage ou un coeur de croisement sur ses supports avec son équipement de manoeuvre, de sorte que là encore le gain de temps est très appréciable, ce qui réduit également les coûts de mise en oeuvre.This results in the possibility of producing a unitary transport element comprising a half-switch or a crossover core on its supports with its operating equipment, so that again the saving of time is very appreciable, which also reduces the costs. implementation.

Grâce à l'invention, il est possible de réaliser des blocs de demi-aiguillages ou de coeurs d'appareil de voie, en particulier pour tramway pouvant facilement et rapidement être monté et démonté par le haut sans nécessiter de travaux de chaussée.Thanks to the invention, it is possible to make blocks of half-switches or hubs, in particular for streetcar, which can easily and quickly be assembled and dismounted from the top without the need for roadwork.

Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté aux dessins annexés. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.

Claims (7)

Ensemble de fixation des blocs de demi-aiguillages ou de coeurs d'appareils de voie (1) sur leur support, comprenant un tel bloc et un support formé par au moins une traverse en béton (4), avec interposition d'une semelle élastique (5) entre un bloc (2) de demi-aiguillage ou de coeur, comportant une empreinte (2'), de réception d'une aiguille mobile (3), ou une ornière d'un coeur de croisement, et ledit support formé par au moins une traverse en béton (4), et un boulon (7), caractérisé en ce que ledit boulon (7) est intégré au bloc (2) de demi-aiguillage ou de coeur, la tige filetée (70) de la vis traversant une ouverture correspondante (8) du bloc (2) de demi-aiguillage ou de coeur, sous l'empreinte (2'), de réception de l'aiguille mobile (3), ou l'ornière d'un coeur de croisement, et coopère, avec un écrou de serrage (71) s'appuyant sur le fond d'un logement correspondant (2"), sous l'empreinte (2'), de réception de l'aiguille mobile (3), ou l'ornière d'un coeur de croisement, et la tête de vis (72) étant guidée en translation dans une rainure longitudinale correspondante (91) d'un profilé (9) noyé dans le support formé par la traverse en béton (4).Assembly for fixing the half-turn blocks or the turnout hubs (1) on their support, comprising such a block and a support formed by at least one concrete cross-member (4), with the interposition of an elastic sole (5) between a half-point or core block (2) having an impression (2 ') for receiving a moving needle (3), or a rut of a crossing heart, and said formed support by at least one concrete cross member (4), and a bolt (7), characterized in that said bolt (7) is integrated with the half-point or core block (2), the threaded rod (70) of the screw passing through a corresponding aperture (8) of the half-point or heart block (2), under the impression (2 '), receiving the movable needle (3), or the rut of a heart of crossing, and cooperates, with a clamping nut (71) resting on the bottom of a corresponding housing (2 "), under the impression (2 '), for receiving the moving needle (3), or the rut of a heart of crossing, and the screw head (72) being guided in translation in a corresponding longitudinal groove (91) of a profile (9) embedded in the support formed by the concrete crossbar (4). Ensemble, suivant la revendication 1, caractérisé en ce que l'écrou (71) s'appuie sur le fond du logement (2"), sous l'empreinte (2'), de réception de l'aiguille mobile (3), ou l'ornière du coeur, par l'intermédiaire d'un empilement de rondelles (10), l'ouverture (8) de passage de la tige filetée (70) étant pourvu d'un manchon isolant épaulé (11).Assembly according to Claim 1, characterized in that the nut (71) bears against the bottom of the housing (2 "), under the cavity (2 '), for receiving the moving needle (3), or the rut of the core, via a stack of washers (10), the opening (8) for passage of the threaded rod (70) being provided with a shouldered insulating sleeve (11). Ensemble, suivant la revendication 2, caractérisé en ce que l'empilement de rondelles (10) consiste en une superposition de rondelles élastiques de type Belleville montées sur la tige filetée (70) entre deux rondelles plates d'extrémité.Assembly according to claim 2, characterized in that the stack of washers (10) consists of a superposition of Belleville spring washers mounted on the threaded rod (70) between two flat end washers. Ensemble, suivant la revendication 1, caractérisé en ce que l'écrou de serrage (71) est un écrou autobloquant.Assembly according to claim 1, characterized in that the clamping nut (71) is a self-locking nut. Ensemble, suivant l'une quelconque des revendications 1 et 2, caractérisé en ce que le logement (2") est fermé par un capuchon (12) de protection et d'étanchéité.Assembly according to any one of claims 1 and 2, characterized in that the housing (2 ") is closed by a cap (12) for protection and sealing. Ensemble, suivant la revendication 1, caractérisé en ce que le profilé (9) noyé dans le béton formant chaque traverse (4) du support se présente sous forme d'un profilé métallique, muni d'une rainure longitudinale (91) ouverte vers la face supérieure de ladite traverse en béton (4) et scellé dans ladite traverse en béton (4), la rainure longitudinale (91) présentant une section transversale de forme coopérante avec celle de la tête de vis (72) du boulon (7), par coopération de forme de deux parties diamétralement opposées de la face interne de la tête de vis (72) avec des nervures des bords de la rainure (91) saillantes vers le fond de ladite rainure.Assembly according to Claim 1, characterized in that the profile (9) embedded in the concrete forming each crossmember (4) of the support is in the form of a metal profile, provided with a longitudinal groove (91) open towards the upper face of said concrete sleeper (4) and sealed in said concrete crossbar (4), the longitudinal groove (91) having a cross-section of a shape cooperating with that of the screw head (72) of the bolt (7), by two-part form cooperation diametrically opposite of the inner face of the screw head (72) with ribs of the groove edges (91) projecting towards the bottom of said groove. Ensemble, l'une quelconque des revendications 1 et 6, caractérisé en ce que la tête de vis (72) présente une section rectangulaire de largeur égale à celle du diamètre de la tige filetée (70) et l'ouverture (8) de passage de la tige filetée (70) se présente sous forme d'un trou oblong, dont la longueur correspond au diamètre du logement (2") prévu dans le bloc (2) de demi-aiguillage ou de coeur et dont la largeur est égale au diamètre du manchon (8) d'isolation électrique du boulon (7), l'axe longitudinal de ce trou oblong étant aligné avec celui de la rainure (91) du profilé (9).Together, any one of claims 1 and 6, characterized in that the screw head (72) has a rectangular section of width equal to that of the diameter of the threaded rod (70) and the opening (8) passage the threaded rod (70) is in the form of an oblong hole, the length of which corresponds to the diameter of the housing (2 ") provided in the half-point or core block (2) and whose width is equal to diameter of the electrical insulation sleeve (8) of the bolt (7), the longitudinal axis of this oblong hole being aligned with that of the groove (91) of the profile (9).
EP20100305812 2009-07-31 2010-07-22 Befestigungsvorrichtung von Halbweichen-Blöcken oder von Herzstücken auf deren Unterstützung Not-in-force EP2287401B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0955422A FR2948697B1 (en) 2009-07-31 2009-07-31 DEVICE FOR FIXING BLOCKS OF HALF-NEEDLES OR HEADS OF TRACK DEVICE ON THEIR SUPPORT

Publications (3)

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EP2287401A2 true EP2287401A2 (en) 2011-02-23
EP2287401A3 EP2287401A3 (en) 2012-08-01
EP2287401B1 EP2287401B1 (en) 2014-11-26

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EP (1) EP2287401B1 (en)
DE (1) DE102009048737A1 (en)
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865225A1 (en) 2004-01-19 2005-07-22 Vossloh Cogifer Track crossing unit support assembly for railway network, has fixation unit with elastic fastener mounted on brace so that insulator is fixed with concrete support using screw and fastener, in position for fixing base on support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005044787B4 (en) * 2005-09-19 2008-05-15 Schreck-Mieves Gmbh Concrete sleepers for switches

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865225A1 (en) 2004-01-19 2005-07-22 Vossloh Cogifer Track crossing unit support assembly for railway network, has fixation unit with elastic fastener mounted on brace so that insulator is fixed with concrete support using screw and fastener, in position for fixing base on support

Also Published As

Publication number Publication date
EP2287401A3 (en) 2012-08-01
FR2948697B1 (en) 2016-04-01
DE102009048737A1 (en) 2011-02-03
FR2948697A1 (en) 2011-02-04
EP2287401B1 (en) 2014-11-26

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