EP2229479B1 - Appui pour un système de fixation d'un rail et système de fixation d'un rail - Google Patents

Appui pour un système de fixation d'un rail et système de fixation d'un rail Download PDF

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Publication number
EP2229479B1
EP2229479B1 EP09701367.6A EP09701367A EP2229479B1 EP 2229479 B1 EP2229479 B1 EP 2229479B1 EP 09701367 A EP09701367 A EP 09701367A EP 2229479 B1 EP2229479 B1 EP 2229479B1
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EP
European Patent Office
Prior art keywords
locking piece
support
support according
angle bracket
rail
Prior art date
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Active
Application number
EP09701367.6A
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German (de)
English (en)
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EP2229479A1 (fr
Inventor
Winfried BÖSTERLING
André HUNOLD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vossloh Werke GmbH
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Vossloh Werke GmbH
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Publication date
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Publication of EP2229479A1 publication Critical patent/EP2229479A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/38—Indirect fastening of rails by using tie-plates or chairs; Fastening of rails on the tie-plates or in the chairs

Definitions

  • the invention relates to a support for a system for fastening a rail to a substrate with a support bracket, which has a base portion with a contact surface associated with the respective ground, with a standing on the base portion support portion, which is at its free, the rail to be fastened associated front has a contact surface, and with a molded-in in the base portion through hole for performing a particular for fixing the support bracket on the ground fastener.
  • the invention relates to a system for fastening a rail on a substrate with a guide plate for laterally supporting the rail to be fastened, with a spring element which is supported on the guide plate and has at least one spring arm, which is provided to an elastic holding force to exercise the foot of the rail, with a clamping means for tensioning the spring element and with a support which is intended to be firmly connected to the ground and in the mounting position, the guide plate laterally against the Override the rail to support occurring lateral forces.
  • a support and a system of this kind are for example from the DE-AS 26 00 416 known.
  • the known systems are used in particular for fastening rails on a solid, flat surface in which no recesses are formed or elevations are formed, at which the support of the rail could take place against the transverse forces occurring when crossing the rail in the respective attachment point.
  • Solid substrates on which systems of the type according to the invention are mounted are also referred to in practice as "fixed carriageway".
  • the solid lanes are formed by concrete slabs on which also cast concrete sleepers are laid, which in turn carry the rails.
  • the lateral support of the rails on such a solid surface is usually carried out with the aid of support means, which are positioned on both sides of the rail foot between the rail and each one laterally spaced from the rail foot stop.
  • This stop is usually formed for this purpose in the form of a support shoulder or the like to the respective solid ground.
  • the concrete sleepers typically used for fastening rails on a solid roadway usually have lateral stop shoulders, against which the guide plates intended for laterally guiding the respective rail are supported.
  • suitable fasteners usually screws, these guide plates are either fixed directly to the solid ground or the respective threshold.
  • a corresponding system is known in practice, for example, under the name "System 300".
  • the fastening elements are additionally used for tensioning a spring element, which exerts a directed in the direction of the solid ground holding force on the rail of the rail to be fastened.
  • a spring element which exerts a directed in the direction of the solid ground holding force on the rail of the rail to be fastened.
  • additional pads and fasteners are needed to properly align and hold the rails.
  • the support used in the known system comprises a support bracket which is screwed by means of a guided through the opening formed in its base opening fastening screw on the respective substrate.
  • the guide plate associated with the contact surface of the support bracket is bevelled.
  • the guide plate of the known fastening system with a corresponding obliquely oriented support surface is tight, wherein between the contact surface and the support surface, an insulating layer may be present to produce an electrical insulation between the support bracket and the guide plate.
  • the guide plate also rests laterally on the rail foot via a correspondingly insulating intermediate layer with its contact surface assigned to the rail.
  • the attachment of the guide plate on the respective substrate is carried in the known system also via a plugged through a corresponding through hole bolts, which is screwed in case of attachment to a solid road, for example, in a dowel inserted into the ground.
  • a screwed onto the bolt nut not only the guide plate is held, but also the Tension clamp clamped, which exerts the required holding force on the ribbed plate.
  • the object of the invention was to provide a support and a system for securing rails, with which even with increased tolerance of the positioning of the individual components of such attachment a reliable grip of the rail is guaranteed.
  • a support according to the invention comprises, like the support known from the prior art, a support bracket, the contact surface and contact surface are arranged at an angle to each other, wherein in the base portion also a through hole is formed through which the respective also belonging to the support fastener is guided.
  • this passage opening is now shaped so that the fastening element sits loosely in the passage opening in at least one direction in the assembly position, so that the support angle can still be displaced in the relevant direction even when the fastening element is seated in the respective base.
  • the through-opening at least in a direction aligned parallel to the contact surface, has the usual oversize for the simple insertion of the fastening element relative to the circumference of the fastening element. This is at least 1.5 to 2 times the diameter of the fastener.
  • a “passage opening” here means all openings or recesses which are designed so that the respective fastening element can be guided through them to the respective substrate. Accordingly, the term “passage opening” in the context of the invention, for example, also recesses, which are formed in the base portion of the support bracket and laterally bounded by a respective projecting portion of the base portion, so that it is possible to postpone the support angle in the manner of a shoe from a lateral direction on a correspondingly pre-assembled fastener.
  • the relevant "passage opening” is formed in at least one direction so that in each case at least one aligned parallel to the plane of the footprint of the fastener movement direction is no positive connection between the border of the through hole and the fastener.
  • This inventive design of the passage opening of the support bracket allows pre-assemble the support bracket and the fastener and the other components of the respective fastening system and only then move the support bracket in its proper position, in which the support bracket and possibly supported by him component largely free of play on the Rest foot of the rail to be fastened. Then then each occupied position of the adjustment angle can be fixed by final adjustment of the fastener of the support so in its position that a reliable side support of the rail is guaranteed.
  • the support according to the invention comprises an additional locking piece cooperating with the fastening element, by means of which the support angle in a respective by a Relative displacement reached relative position of fastener and support bracket can be fixed.
  • a fastening system according to the invention is accordingly characterized in that the support provided in it is designed in the manner according to the invention.
  • the locking piece may have at least one molding element which is provided to enter into a positive engagement with a correspondingly shaped molding element of the support bracket.
  • the locking piece may have a plurality of such form elements.
  • the support angle can be moved for example over a distance which is longer than the length of the locking piece, are distributed over the mold elements, and for the final fixation of the position of the support bracket yet on the locking piece a secure fit between the support bracket and the fastener be made in all directions of movement.
  • a particularly secure positive fixing of the support bracket can be achieved in that extend the form elements of the support bracket and locking piece transverse to the direction in which the support bracket is displaceable by the inventive shape of the through hole in the preassembled state relative to the fastener.
  • a first way of arranging the for a positive connection between support bracket and Locking piece required form elements is that the relevant mold element is formed on the underside of the locking piece, which is associated in the assembled state of the free upper side of the base portion of the support bracket.
  • the corresponding form elements can then be formed on the upper side of the base portion of the support bracket.
  • the locking piece may also have a side surface on which the respective form element required for the generation of the positive connection is formed.
  • the support bracket can then also have a laterally aligned surface, on which the respective corresponding, cooperating with the mold element of the locking piece forming element is formed.
  • a form-fitting connection between the locking piece and the support element which can withstand even very high loads, can thereby be ensured by the locking piece having a second side face, which is opposite the first side face and on which a shaped element is likewise formed, and the support bracket has a second side face, arranged so spaced from the first side surface and provided with form elements, that the locking piece is insertable between the two side surfaces of the support bracket and in positive locking between the two side surfaces locking a fit between the mutually corresponding form elements of the mutually associated side surfaces is made.
  • the support angle is at least two Stiffening ribs, which extend between the support portion and the base portion and laterally define a space between them, in which the locking piece is held at least partially positively locking with fully assembled support.
  • connection between the locking piece and fastener can be made particularly simple, characterized in that the locking piece has a passage opening for the fastening element, in which the fastening element sits in the assembled state with little play.
  • the positional alignment and fixation of the support bracket relative to the fastener by means of the locking piece can be supported by the fact that markings are present on the locking piece and / or the support angle at which the respective relative position of the support bracket and locking piece and, consequently, of support bracket and fastener can be read ,
  • the positive engagement of fastening element and support bracket produced via the locking piece can be accomplished, for example, by the fact that the shaped elements of locking piece and support bracket interact in the manner of a latching connection.
  • the passage opening may be formed as a slot.
  • the longitudinal axis of the slot may be aligned substantially perpendicular to the contact surface of the support portion.
  • the system 1 for fastening a rail 2 on a solid, formed for example by a concrete slab or concrete sleeper solid surface 3 comprises an elastic intermediate plate, not shown here, the rests directly on the continuous flat surface of the solid surface 3.
  • intermediate plate here is also not shown, made of steel base plate covering the intermediate plate and in practical use when driving over the rail 2 by a rail vehicle not shown here, acting on the rail 2 on the base plate in the direction of gravity loads acting on the Distributed intermediate plate.
  • the base plate may have a wedge-shaped cross-sectional shape, with their upper side associated with the rail foot 4 enclosing the intermediate plate associated underside of the base plate at an acute angle.
  • a guide plate 5, 6 is arranged on each side of the rail foot 4.
  • the guide plates 5, 6 each have a contact surface resting on the rail foot 4 and are provided with corresponding support sections on the flat surface of the fixed base 3.
  • the guide plates 5.6 in a conventional manner shaped molded elements, the guides for each serve as a spring element for bracing the rail 2 on the solid surface 3 serving ⁇ -shaped clamps 8.9.
  • clamping means in the form of screws 10,11 are provided, which are each screwed into a introduced into the solid surface 3, not shown here dowel.
  • the screws 10,11 load on their screw head the middle portion of the clamps 8.9 in a conventional manner such that the tension clamp 8.9 on the free, resting on the top of the rail 4 ends of their arms the required spring-elastic holding force on the rail 4 exercise.
  • the lateral support of the guide plates 5.6 is carried out in each case via a support 12,13.
  • De supports 12,13 each comprise a support bracket 14, two locking pieces 15,16 and two fastening means 17,18.
  • the fastening means 17, 18 are here respectively formed by a screw bolt 19 and a nut 20 screwed onto the bolt. If necessary, further means, such as spring rings or washers, may be present to distribute the holding force FH consumed by the fastening means 17, 18 to the locking pieces 15, 16.
  • the support brackets 14 of the supports 12,13 can each be made in one piece from a fiber-reinforced plastic. In the same way, they can, for example, also have been produced by forging from a steel material.
  • the supports 12, 13 each have a planar contact surface 21 resting against the guide plate 5, 6 respectively assigned to them.
  • the support surface 21 is formed on the free end face of a support portion 22 of the support bracket 18,19, which is perpendicular to a resting with its footprint 23a on the upper side of the fixed base 3 base portion 23 of the support bracket 14 at the front, the respective guide plate 5.6 assigned Side is erected.
  • each formed as a slot through opening 29 is formed in the area between the stiffening sections 24,25,26 remaining, of the stiffening sections 24,25,26 laterally delimited free spaces 27,28 in the base portion 23 of the support bracket 14 .
  • the longitudinal axis LD of the passage openings 29 is aligned substantially perpendicular to the contact surface 21 of the support portion 22.
  • the length of the passage openings 29 measured in the longitudinal direction L corresponds approximately to twice the diameter of the bolts 19 of the fastening elements 17, 18.
  • a shoulder 30, 31 projecting parallel to one another is formed at the foot of the stiffening sections 24, 25, 26, each with a side face 32 which is oriented parallel to one another.
  • each closely spaced sealing elements 33 are formed at regular intervals.
  • the shaped elements 33 are designed in the manner of latching projections and aligned perpendicular to the upper side of the base section 23 and substantially parallel to the contact surface 21 of the support section 22.
  • laterally delimited surface portion of the top are on the Base portion 23 also formed in the manner of locking projections formed molding elements 34 which extend between the shoulders 30,31 and accordingly transversely to the longitudinal direction L of the through holes 27.
  • Each mold element 34 goes into a corresponding mold element 33 of the paragraphs 30,31.
  • the locking pieces 15,16 are cuboid shaped and each have a from its top to its the top of the base portion 23 associated bottom leading through hole 35, the diameter of which is adapted to the diameter of the bolts 19 of the fasteners 17,18 that they are lightweight Game can be placed on the bolts.
  • the width of the locking pieces 15,16 is adapted to the existing between the paragraphs 30,31 each free width.
  • the locking pieces 15,16 each have shaped elements 38,39 designed in the manner of locking projections, which are adapted with respect to their shape and arrangement to the shape and arrangement of the shaped elements 33 of the shoulders 30,31 are.
  • the locking pieces each have on their underside mold elements 40, which are adapted in terms of their shape and arrangement to the shape and arrangement of the formed on the top of the base portion 23 form elements 34.
  • the guide plates 5, 6 and the clamping elements 8, 9 are preassembled, so that the guide plates 5, 6 are in the correct position are aligned and the clamping elements 8,9 are in a retracted position in which their spring arms do not reach into the room, in which then the rail 4 is set. Then the bolts 19 of the fasteners 17,18 of the supports 12,13 are screwed in place previously set in the ground 3, not shown here dowels and the respective support bracket 14 is placed on the ground 3, that the bolts 19 by their respective assigned Through opening 29 of the respective support bracket 19 protrudes.
  • the support brackets 14 are displaced in the longitudinal direction L of the passage openings 29 until they rest tightly against the respectively associated guide plate 5, 6.
  • the locking pieces 15,16 are placed on the bolts 19 and pushed into the existing between the respective paragraphs 30,31 space that their form elements 39,40 form-fitting with the form elements 33 of the paragraphs 30,31 and the top of the base paragraph 23 existing form elements 34 cooperate. From this moment on, the relative position of the support bracket 14 to its associated fasteners 17,18 by means of the locking pieces 15,16 in the longitudinal direction L, ie in the aligned transversely to the longitudinal extent of the rail direction, already secured by positive locking.

Claims (17)

  1. Appui pour un système (1) destiné à la fixation d'un rail (2) sur une fondation (3), avec une cornière d'appui (14), qui est dotée d'une section de base (23), présentant une surface de pose (23a) associée à la fondation (3) respective, avec une section d'appui (22), qui, placée sur la section de base (23), est pourvue, sur sa face avant libre, associée au rail (2) à fixer, d'une surface de butée (21), et avec une ouverture de passage (29), pratiquée dans la section de base (23), pour le passage d'un élément de fixation (17, 19) destiné à la fixation de la cornière d'appui (14) sur la fondation (3),
    caractérisé en ce que l'ouverture de passage (29) présente, au moins dans une direction parallèle à la surface de pose (23a), une surmesure par rapport au périmètre de la pièce (19) de l'élément de fixation (17, 18) logée dans la dite ouverture de passage, à l'état monté, et
    en ce qu'est prévue une pièce de blocage (15, 16) supplémentaire, qui coopère avec l'élément de fixation (19) pour fixer la cornière d'appui (14) dans une position relative, respective de l'élément de fixation (17, 18) et de la cornière d'appui (14), par déplacement l'un par rapport à l'autre.
  2. Appui selon la revendication 1,
    caractérisé en ce que l'ouverture de passage (29) est réalisée en forme de trou oblong.
  3. Appui selon la revendication 2,
    caractérisé en ce que l'axe longitudinal (L) de l'ouverture de passage (29) est sensiblement orientée perpendiculairement à la surface de butée (21) de la section d'appui (22).
  4. Appui selon l'une des revendications précédentes,
    caractérisé en ce que la pièce de blocage (15, 16) est dotée d'au moins un élément façonné (38, 39, 40), qui est destiné à coopérer avec un élément façonné correspondant (33, 34) de la cornière de support (14) pour réaliser une liaison par engagement géométrique.
  5. Appui selon la revendication 4,
    caractérisé en ce que la pièce de blocage (15, 16) est dotée d'une pluralité d'éléments façonnés (38, 39, 40).
  6. Appui selon la revendication 5,
    caractérisé en ce que le nombre des éléments façonnés (38, 39, 40) de la pièce de blocage (15, 16) est inférieur au nombre des éléments façonnés correspondants (33, 34) de la cornière d'appui (14).
  7. Appui selon l'une des revendications 4 à 6,
    caractérisé en ce que la pièce de blocage (15, 16) est dotée d'une face inférieure, qui est associée à la face supérieure de la section de base (23), libre à l'état montée, et que l'élément façonné (40) est formé sur cette face inférieure.
  8. Appui selon l'une des revendications 4 à 7,
    caractérisé en ce que la pièce de blocage (15, 16) est dotée d'une face latérale (36, 37), que, sur cette face latérale (36, 37), est formé et un élément façonné (38, 39) et que la cornière d'appui (14) est également dotée d'une surface latérale (32), sur laquelle est formé l'élément façonné (33) respectivement correspondant.
  9. Appui selon la revendication 8,
    caractérisé en ce que la pièce de blocage (15, 16) est dotée d'une deuxième face latérale (36, 37), qui est opposée à la première face latérale (37, 36) et sur laquelle est également formé un élément façonné (38, 39), et que la cornière d'appui (14) est doté d'une deuxième face latérale (32), qui est disposée à distancée de la première face latérale (32) et est pourvue d'éléments façonnés (33) de telle sorte que la pièce de blocage (15, 16) puisse être insérée entre les deux faces latérales (32) de la cornière d'appui (14) et que, lorsque la pièce de blocage (15, 16) est insérée entre les deux faces latérales (32), une liaison par emboîtement soit réalisée entre les éléments façonnés respectivement correspondants (33, 38, 39) des faces latérales (32, 36, 37).
  10. Appui selon l'une des revendications précédentes,
    caractérisé en ce que la cornière d'appui (14) est dotée d'au moins deux nervures de raidissement (24, 25, 26), qui s'étendent entre la section d'appui (22) et la section de base (23) et limitent entre elles un espace dans lequel la pièce de blocage (15, 16) est maintenue, au moins par sections, par emboîtement, quand le montage de l'appui (12, 13) est terminé.
  11. Appui selon l'une des revendications précédentes,
    caractérisé en ce que la pièce de blocage (15, 16) est dotée d'une ouverture de passage (29) pour l'élément de fixation (17, 18).
  12. Appui selon l'une des revendications précédentes,
    caractérisé en ce que la pièce de blocage (15, 16) présente la forme d'un parallélépipède.
  13. Appui selon l'une des revendications précédentes,
    caractérisé en ce que, sur la pièce de blocage (15, 16) et / ou sur la cornière d'appui (14) sont prévues des marques (41), sur lesquelles chaque position relative de la cornière d'appui (14) et de la pièce de blocage (15, 16) peut être lue.
  14. Appui selon l'une des revendications 4 à 13,
    caractérisé en ce que les d'éléments façonnés (33, 34, 38, 39, 40) de la pièce de blocage (15, 16) et de la cornière d'appui (4) forment une liaison par encliquetage.
  15. Appui selon l'une des revendications précédentes,
    caractérisé en ce que chaque élément de fixation (17, 18) est un boulon comprenant une tige filetée (19) et un écrou (20), qui, pouvant être vissé sur la tige filetée (19), agit sur la pièce de blocage (15, 16) quand le montage est terminé.
  16. Appui selon l'une des revendications précédentes,
    caractérisé en ce que l'élément de fixation (17, 18) est formé par une vis, dont la tête agit sur la pièce de blocage (15, 16) quand le montage est terminé.
  17. Système de fixation d'un rail (2) sur une fondation (3), avec une plaque de guidage (5, 6) destinée à soutenir latéralement le rail (2) à fixer, avec un élément élastique (8, 9), qui prend appui sur la plaque de guidage (5, 6) et est doté d'au moins un bras élastique, qui est prévu pour exercer une force de maintien élastique sur le patin (4) du rail (2), avec un élément de tension (10, 11) pour mettre sous tension l'élément élastique (8, 9), ainsi qu'avec un appui (12, 13) qui est destiné à être relié fixement à la fondation (3) et, dans la position de montage, et, dans la position de montage, soutient latéralement la plaque de guidage (5, 6) vis-à-vis des forces transversales (FQ) qui se produisent lors du passage sur le rail,
    caractérisé en ce que l'appui (12, 13) est réalisé selon l'une des revendications 1 à 16.
EP09701367.6A 2008-01-10 2009-01-08 Appui pour un système de fixation d'un rail et système de fixation d'un rail Active EP2229479B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008003744A DE102008003744B3 (de) 2008-01-10 2008-01-10 Abstützung für ein System zum Befestigen einer Schiene und System zum Befestigen einer Schiene
PCT/EP2009/050171 WO2009087191A1 (fr) 2008-01-10 2009-01-08 Appui pour un système de fixation d'un rail et système de fixation d'un rail

Publications (2)

Publication Number Publication Date
EP2229479A1 EP2229479A1 (fr) 2010-09-22
EP2229479B1 true EP2229479B1 (fr) 2013-11-27

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EP09701367.6A Active EP2229479B1 (fr) 2008-01-10 2009-01-08 Appui pour un système de fixation d'un rail et système de fixation d'un rail

Country Status (16)

Country Link
US (1) US8602317B2 (fr)
EP (1) EP2229479B1 (fr)
JP (1) JP5259733B2 (fr)
KR (1) KR20100106476A (fr)
CN (1) CN101481892B (fr)
AR (1) AR070846A1 (fr)
AU (1) AU2009203749B2 (fr)
BR (1) BRPI0907614A2 (fr)
CA (1) CA2707343A1 (fr)
DE (1) DE102008003744B3 (fr)
EA (1) EA201000729A1 (fr)
ES (1) ES2443945T3 (fr)
HK (1) HK1128738A1 (fr)
MX (1) MX2010005844A (fr)
TW (1) TWI385291B (fr)
WO (1) WO2009087191A1 (fr)

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CN101481892B (zh) 2014-06-04
AR070846A1 (es) 2010-05-12
CN101481892A (zh) 2009-07-15
JP2011509361A (ja) 2011-03-24
HK1128738A1 (en) 2009-11-06
EA201000729A1 (ru) 2011-02-28
TWI385291B (zh) 2013-02-11
MX2010005844A (es) 2010-06-18
JP5259733B2 (ja) 2013-08-07
TW200938697A (en) 2009-09-16
ES2443945T3 (es) 2014-02-21
CA2707343A1 (fr) 2009-07-16
KR20100106476A (ko) 2010-10-01
AU2009203749A1 (en) 2009-07-16
BRPI0907614A2 (pt) 2015-07-21
WO2009087191A1 (fr) 2009-07-16
US8602317B2 (en) 2013-12-10
AU2009203749B2 (en) 2015-11-26
US20110042475A1 (en) 2011-02-24
DE102008003744B3 (de) 2009-06-04
EP2229479A1 (fr) 2010-09-22

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