EP2044265B1 - Attache de rail très élastique pour voies ferrées - Google Patents

Attache de rail très élastique pour voies ferrées Download PDF

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Publication number
EP2044265B1
EP2044265B1 EP07801438A EP07801438A EP2044265B1 EP 2044265 B1 EP2044265 B1 EP 2044265B1 EP 07801438 A EP07801438 A EP 07801438A EP 07801438 A EP07801438 A EP 07801438A EP 2044265 B1 EP2044265 B1 EP 2044265B1
Authority
EP
European Patent Office
Prior art keywords
rail
rail mounting
mounting according
railroad tie
screws
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.)
Not-in-force
Application number
EP07801438A
Other languages
German (de)
English (en)
Other versions
EP2044265A1 (fr
Inventor
Roland Buda
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.)
Schwihag AG
Original Assignee
Schwihag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schwihag AG filed Critical Schwihag AG
Publication of EP2044265A1 publication Critical patent/EP2044265A1/fr
Application granted granted Critical
Publication of EP2044265B1 publication Critical patent/EP2044265B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01B9/44—Fastening the rail on the tie-plate
    • E01B9/46—Fastening the rail on the tie-plate by clamps
    • E01B9/48—Fastening the rail on the tie-plate by clamps by resilient steel clips
    • E01B9/483—Fastening the rail on the tie-plate by clamps by resilient steel clips the clip being a shaped bar

Definitions

  • the invention relates to a highly elastic rail fastening for track systems, the clamping-like clamping elements has, which are fastened in the mounted state by means of a screw on a trained as a support for a rail steel plate and exert a rail holding in position clamping force, the steel plate with the interposition of a elastic plate is connected to a substrate, such as a threshold body, in particular a concrete sleeper, threshold anchor or the like screw means.
  • a substrate such as a threshold body, in particular a concrete sleeper, threshold anchor or the like screw means.
  • Such a rail fastening is off DE 44 32 257 C1 already known.
  • the fixation of the rail via a tension clamp, which engage with a sleeper screw on a Isolierkragenbuchse in a dowel of the threshold or support plate.
  • torsion legs clamp-like clamping elements made of elastic material, in particular made of hardened steel used, which are arranged in the assembled state between a retaining plate and a fastening anchor.
  • the clamping element has two legs, which are designed as torsion elements.
  • a rail fastening is known in which widen portions of the outer leg of epsilon-shaped clamping elements by increasing the distance from the inner legs against the rail foot out.
  • the successive free ends of the clamping element end outside of the inner legs.
  • the clamping element is further designed so that a central web comes to lie in the mounting position at a small distance above the rail and rests in the pre-assembly with its inside on the shaft of the threshold or anchor bolt.
  • indirect rail fasteners of this type are used in various variants. This is common that the rail on their rail first on the rib or base plate (steel or cast iron plate) is set and then then the ribbed / base plate again separately with the threshold body (wood or concrete) or (on bridges) with a Concrete plate or a steel beam is connected.
  • These indirect, elastic rail fasteners require to prestress the at least one intermediate, elastic plate two threshold anchor (threshold or through bolts or anchor bolt with lock nut) and to clamp the two clamping elements or rail clamps two separate screws, z. B. hook screws.
  • the threshold anchor and the clamping elements screws are arranged laterally apart.
  • the invention is therefore an object of the invention to provide a generic rail fastening without the disadvantages described, i. in particular to avoid the high bias of the intermediate, elastic plate while allowing a compact, cost-effective fastening system.
  • clamp-like clamping elements fastening screws and the threshold anchors or screw means of the steel plate are arranged at a distance from each other superimposed. It can hereby achieve a fastening system that combines the advantages of indirect and direct rail fastening while avoiding their disadvantages.
  • the rail is indirectly fastened to the steel plate via the tensioning elements acted upon by the screws on its rail foot and in turn is connected to the sleeper body separately via threshold anchors, the sleeper anchor axles preferably being aligned with the axes of the screws arranged above them , which serve to fasten the clamping elements, are arranged, however, a slight lateral offset would be possible, it can be achieved that the clamping elements or their mounting screws are exposed to no vibration cycling, thus only purely static load. Apart from the very compact design also the high bias of the elastic or highly elastic plate is also avoided.
  • threshold anchors or an anchor system eg anchor bolt with self-locking nut and stop or similar constructions with screw and spring
  • clamp-like clamping element is any kind of tension clamp, in the simplest case, a steel plate as a clamping plate. Because the connection of the clamping element / the clamp with the rail and the steel plate is rigid, so that there is hardly any relative movement between the rail and the steel or cast plate to which the clamp is attached, there.
  • the clamping element / clamp thus does not oscillate and therefore does not need to be elastic.
  • the clamping element may only not come loose, which can be achieved by a self-locking nut or a screw, with or without spring ring. With an optional, resilient clamp, the spring force can be used as a safeguard against loosening.
  • the horizontal forces can also be absorbed without a lateral angled guide element, if a bolt of long length and high strength is used as the lower screw means, whereby a much lower transverse force application point and thus much smaller lever arm can be achieved so that the bending moment acting on the anchor bolt is significantly lower.
  • Such an anchor bolt attachment is particularly suitable for solid roads that consist of simple concrete slabs without thresholds.
  • An embodiment of the invention provides that the outer, a shoulder immediately adjacent angled guide plate is formed with a lift-off.
  • This can be a fferankerhalterung or, for example, geometrically integrated in the threshold body. In any case, the installation position is guaranteed by the lift-off protection.
  • the facing ends of the screws and the threshold anchors are designed as headers
  • the heads of the threshold anchors provide an automatic limitation in case of overload. For as soon as the distance, occupying the clamping element screw and threshold anchor in the initial mounting position, is overcome, the threshold anchor head piece applies to the opposite screw.
  • a secure coupling of the upper screw is guaranteed.
  • the upper screws are formed according to a proposal of the invention with a through hole, can be in a simple way a direct access to the lower screw or the threshold anchor / anchor bolt by means of a tool, for. B. hexagon socket tool, which can engage in a hexagon socket of the lower head piece reach.
  • the head piece of the threshold anchor is arranged with radial clearance in the through hole of the steel plate.
  • a spring element e.g. Spring ring, spring, plate spring, disc spring package, coil spring, coil spring, rubber ring or elastomer spring to provide and assign the threshold anchors below their head pieces in the through holes an insulating collar or sliding bushing.
  • This spring element is advantageously an elastic counter bearing for the arranged on the highly elastic intermediate plate steel / cast plate.
  • the abutment for the spring element is the head piece, possibly in the form of a screwed, self-locking nut, possibly with washer, the threshold anchor.
  • the Fig. 1 shows the principle of a fastening system with indirect and direct attachment in the longitudinal direction of a rail 1 seen.
  • the rail 1 is in this case attached with its rail 2 indirectly to a threshold body 3, and indeed it is fixed with clamp-like clamping elements 4a, 4b to a plate 5 made of steel or cast iron.
  • the steel plate 5 in turn is separately connected to the threshold body 3 via threshold anchors 6a, 6b.
  • the clamp-like clamping elements 4a, 4b are braced by upper screws 7 with nut screwed against the rail 2.
  • Below the steel plate 5 is here an elastic plate 8 and between the rail 2 and the steel plate 5 is a rigid intermediate plate 9 is arranged.
  • the screws 7 of the clamp-like clamping elements 4a, 4b and the threshold anchors 6a, 6b are on a line, in alignment and at a distance s, thus one above the other, formed in at both ends of the steel plate 5 holder housings 10 (see. Fig. 3 ) intended.
  • the holder housings 10 have a through hole 11 for receiving the screws 7 and the threshold anchors 6a, 6b, which passes into a threshold anchor bore with a smaller diameter.
  • the screwed with a head piece 12 in the holder housing 10 or there latched or keyed screws 7 (see. Fig. 4 ) generate on the clamp-like clamping elements 4a, 4b, a clamping force Fs corresponding to the force Fv of the screw.
  • the steel plate 5 separately connecting to the threshold body 3 threshold anchor 6a, 6b generate an anchor force Fa, which corresponds to the oppositely acting spring force Ff one of their head pieces 13, possibly provided as Aufschraubmuttern arranged and an abutment performing, spring element 14 corresponds.
  • the transverse or horizontal force Fh of this embodiment consisting of two parts, in vertical plane adjacent angular guide plates 15a, 15b, which are supported on bumps or shoulders 16 of the threshold body 3, and received in the emerging body third transfer. Due to the bipartite, the individual angled guide plates 15a, 15b slide against each other as soon as the system is loaded by the railway wheels.
  • the depression is here automatically limited in case of overload, because after overcoming the distance ⁇ s the head pieces 12 of the screws 7 of the clamping elements 4a, 4b on the head pieces 13 in the through hole 11 of the holder housing 10 of the ribbed plate 5 with radial clearance and thus movement of the game arranged threshold anchor 6a, 6b strike.
  • the threshold anchors 6a, 6b are arranged and guided over a cylindrical portion in Isolierkragenbuchsen or sliding bushes 17, which are provided below the spring element 14 of the head pieces 13.
  • the each one shoulder 16 of the threshold body 3 directly facing angled guide plate 15b is associated with a lift-off 18, which is formed in the embodiment as an anchor.
  • the Fig. 2 shows a with one in a line superposed screws 7 of the clamping elements 4a, 4b and 6a threshold anchor, 6b (not visible in the figure) of the steel plate 5 and thus both indirect and direct attachment to the threshold body 3 with its rail 2 fixed rail 1.
  • This fastening system is very compact and therefore inexpensive. It combines in particular the advantages of a direct and indirect rail fastening with harmless recording of the horizontal force components, which are advantageously absorbed by two-part angled guide plates 15a, 15b via shoulders 16 or introduced into the threshold body 3, and allows one lower bias of provided between the steel plate 5 and the threshold body 3, elastic plate 8 (see. Fig. 3 ).
  • oscillatory alternating stresses of the clamp-like clamping elements 4a, 4b are avoided, which also contributes to an increase in the service life of the fastening system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)

Claims (12)

  1. Fixation de rail élastique pour installations de voies, qui présente des éléments de serrage (4a, 4b) se présentant sous forme de pinces qui, à l'état monté, sont fixés respectivement au moyen d'une vis (7) à une plaque d'acier (5) réalisée sous forme d'un support pour patin de rail (2) et exercent une force de serrage maintenant le rail (1) en position, la plaque d'acier (5) étant reliée avec interposition d'une plaque élastique (8) à un soubassement tel qu'un corps de traverse (3), notamment une traverse en béton, via des ancrages de traverse (6a, 6b) ou moyens de vissage similaires, caractérisée en ce que
    les vis (7) fixant les éléments de serrage (4a, 4b) et les ancrages de traverse (6a, 6b) sont disposés superposés avec un espacement (s).
  2. Fixation de rail selon la revendication 1,
    caractérisée en ce que
    les vis (7) des éléments de serrage (4a, 4b) et les ancrages de traverse (6a, 6b) sont disposés de manière à être alignés par leurs axes longitudinaux sur une ligne.
  3. Fixation de rail selon la revendication 1 ou 2,
    caractérisée en ce que
    la plaque en acier (5) s'appuie par des plaques de guidage angulaire (15a, 15b) en deux parties se touchant mutuellement sur des épaulements (16) du corps de traverse (3).
  4. Fixation de rail selon la revendication 3,
    caractérisée en ce que
    la plaque de guidage angulaire (15b) extérieure directement voisine d'un épaulement (16) est réalisée avec un système anti-soulèvement (18).
  5. Fixation de rail selon la revendication 3 ou 4,
    caractérisée par
    des plaques de guidage angulaire (15a, 15b) fabriquées à partir de matière plastique.
  6. Fixation de rail selon une des revendications 1 à 5,
    caractérisée en ce que
    les extrémités tournées les unes vers les autres des vis (7) et des ancrages de traverse (6a, 6b) sont réalisées sous forme d'embouts (12 ; 13).
  7. Fixation de rail selon la revendication 6,
    caractérisée en ce que
    l'embout (12) de la vis (7) est vissé, enclenché ou claveté dans la plaque d'acier (5).
  8. Fixation de rail selon la revendication 6 ou 7,
    caractérisée en ce
    qu'un écrou est vissé sur l'extrémité supérieure détournée de l'embout (12) des vis (7) jusque contre l'élément de serrage (4a, 4b).
  9. Fixation de rail selon une des revendications 1 à 8,
    caractérisée en ce que
    les vis (7) sont réalisées avec un alésage traversant.
  10. Fixation de rail selon la revendication 6,
    caractérisée en ce que
    l'embout (13) de l'ancrage de traverse (6a, 6b) est disposé avec un jeu radial dans l'alésage traversant (11) de la plaque d'acier (5).
  11. Fixation de rail selon une des revendications 6 à 10,
    caractérisée par
    un élément à ressort (14) prévu sous l'embout (13) de l'ancrage de traverse (6a, 6b).
  12. Fixation de rail selon une des revendications 6 à 11,
    caractérisée en ce
    qu'une douille à collerette isolante (17) est associée aux ancrages de traverse (6a, 6b) en dessous de leurs embouts (13) dans les alésages traversants (11).
EP07801438A 2006-07-21 2007-07-19 Attache de rail très élastique pour voies ferrées Not-in-force EP2044265B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006033760 2006-07-21
PCT/EP2007/006432 WO2008009451A1 (fr) 2006-07-21 2007-07-19 Attache de rail très élastique pour voies ferrées
DE102007033968A DE102007033968A1 (de) 2006-07-21 2007-07-19 Hochelastische Schienenbefestigung für Gleisanlagen

Publications (2)

Publication Number Publication Date
EP2044265A1 EP2044265A1 (fr) 2009-04-08
EP2044265B1 true EP2044265B1 (fr) 2011-09-14

Family

ID=38922312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07801438A Not-in-force EP2044265B1 (fr) 2006-07-21 2007-07-19 Attache de rail très élastique pour voies ferrées

Country Status (4)

Country Link
EP (1) EP2044265B1 (fr)
AT (1) ATE524611T1 (fr)
DE (1) DE102007033968A1 (fr)
WO (1) WO2008009451A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101929111A (zh) * 2010-09-09 2010-12-29 中铁隆昌铁路器材有限公司 补偿式自锁钢轨弹性扣件

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3720381A1 (de) * 1987-06-19 1989-01-05 Vossloh Werke Gmbh Vorrichtung zur befestigung von eisenbahnschienen auf fester fahrbahn
DE4138576A1 (de) * 1991-11-23 1993-05-27 Butzbacher Weichenbau Gmbh Schienenbefestigungsanordnung
DE4432257C1 (de) * 1994-09-10 1996-03-07 Zueblin Ag Schienenbefestigung
DE102004044875A1 (de) * 2004-09-14 2006-04-13 Bwg Gmbh & Co. Kg Schienenbefestigung

Also Published As

Publication number Publication date
EP2044265A1 (fr) 2009-04-08
ATE524611T1 (de) 2011-09-15
WO2008009451A1 (fr) 2008-01-24
DE102007033968A1 (de) 2008-02-14

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