EP2609255B1 - Système de fixation de rail - Google Patents

Système de fixation de rail Download PDF

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Publication number
EP2609255B1
EP2609255B1 EP11748579.7A EP11748579A EP2609255B1 EP 2609255 B1 EP2609255 B1 EP 2609255B1 EP 11748579 A EP11748579 A EP 11748579A EP 2609255 B1 EP2609255 B1 EP 2609255B1
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EP
European Patent Office
Prior art keywords
rail
fastening system
tension clamp
section
rail fastening
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.)
Active
Application number
EP11748579.7A
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German (de)
English (en)
Other versions
EP2609255A1 (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
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Schwihag AG
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Publication date
Application filed by Schwihag AG filed Critical Schwihag AG
Priority to PL11748579T priority Critical patent/PL2609255T3/pl
Publication of EP2609255A1 publication Critical patent/EP2609255A1/fr
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Publication of EP2609255B1 publication Critical patent/EP2609255B1/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
    • E01B9/02—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
    • E01B26/00—Tracks or track components not covered by any one of the preceding groups
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2205/00—Electrical insulation of railway track parts

Definitions

  • the invention relates to a rail fastening system for frictional-elastic fastening of a rail on a threshold of a track system, comprising at least one fixable at the threshold with at least one fastener angle guide plate and at least one tensioning clamp, wherein the tensioning clamp in the final assembled state of the rail fastening system with at least a portion of the rail presses and so sets the rail on the threshold, and wherein between the at least one portion of the tension clamp and the rail foot an insulation element is arranged.
  • a rail fastening a fastening system in which the tension of the rail track by means of the components screw, dowel, angled guide plate and tensioning clamp takes place.
  • a tension clamp used, which is arranged in the assembled state between an angle guide plate (retaining plate) and a screw (fastening anchor).
  • the tension clamp has two legs, which are designed as Torsions institute.
  • the torsion legs have two spring bar sections lying parallel next to one another, which are connected in one piece by a loop forming a bracing section and bent outwards substantially transversely to them.
  • the assembly can be done by moving the clamp from a pre-assembly (with a tightening of the screw with a torque of about 50 Nm) in the final assembly position. It is important that a simple sliding of the tension clamp by means of a slider without prior release of the (biased with said torque) screw can be done. It is also important here that raising the threshold is not necessary, which would make the assembly much more difficult. Only in this way is automated assembly possible.
  • the rail attachment reaches a high electrical resistance. This is measured between the two rails on a concrete sleeper in the wet state, d. H. the resistance value is measured during a continuous irrigation.
  • the invention is therefore the object of a rail fastening system of the type mentioned in such a way that the requirements described above can be optimally met. Accordingly, a simple and automated installation of the system should be possible, which can be easily adapted to different types of rails. Furthermore, the system should be characterized by a high electrical resistance. The electrical insulation of the system should be ensured under all circumstances.
  • the insulating element is formed as an injection molded part, which consists of two relatively foldable parts, which are connected to each other via a hinge portion.
  • a film hinge or folding hinge
  • the two mutually folding parts can be further equipped with a locking or clip closure, so that they are connected relative to each other.
  • the tension clamp is preferably formed symmetrically to a vertically extending plane which is penetrated vertically by the rail longitudinal axis, wherein two (end) portions of the tension clamp are surrounded by a single insulating element.
  • the tensioning clamp can consist of a bent wire with a circular cross-section, wherein this can have a secant-shaped flattening in the region of the at least one (end) section, wherein the insulating element has at least one receiving section congruent to the shape of the flattened section, preferably two of these sections in FIG opposite end portions of the insulating element.
  • the insulating element is fixed against rotation about the wire axis.
  • the insulation element has a flattening on an outer side, which is adapted to the shape of the surface of the rail foot, wherein the flattening is particularly flat. Then that is the insulating element - mounted on the end portions of the tension clamp - held in position so that said flattening matches the shape of the rail foot on this comes to rest, whereby otherwise the assembly is facilitated.
  • a recess may be incorporated, which is adapted to the shape of a portion of the tension clamp.
  • the rail fastening system may further comprise an anchoring element fixed in the threshold and cast in particular into the (concrete) material of the sleeper.
  • the fastening element comprise a positive lockable in the anchor element screw and an associated nut.
  • an insulating element is preferably arranged between the threshold and the rail foot. This consists mostly of a flat or flat trained Rubber part.
  • the angle guide plate is preferably made of an insulating material, in particular of plastic.
  • the tension clamp may be provided on its upper side with at least one flattening, which the mountability, d. H. facilitates the movement of the tension clamp from the pre-assembly to the final assembly position.
  • the fastening nut is first tightened with a predetermined pre-assembly torque.
  • the tension clamp is moved to the final assembly position; the insulated end of the tension clamp thus comes on the rail foot, so that the rail is fixed on the threshold.
  • Fig. 1 is the basic structure of a frictionally elastic rail fastening system 1 for a track system to see.
  • the rail 2 must be mounted on a (track) threshold 3 (or a rail underlay plate).
  • the rail 7 is clamped over tension clamps 6 on the track sleeper 3 immovably.
  • the tension of the tensioning clamps 6 and the determination of the components of the rail fastening system usually via a screw-dowel combination.
  • a hook screw-nut combination 4, 4 ', 4 "described in more detail later is provided for this purpose.
  • a rail intermediate layer made of a rubber material is arranged between the rail foot 7 and the track sill 3, serving as an insulation element 15 in FIG Fig. 1 can be seen.
  • the clamps 6 are mounted on the armature insulation on the one hand on existing plastic material angled guide plates 5 on the sill 3 and on the other hand on their the rail foot 7 act on clamping clamp arms 6 'insulation elements 8 (insulator) on.
  • the illustrated rail fastening system 1 is designed such that a permanent electrical insulation of the tensioning clamps 6 with respect to the steel elements of the rail fastening system 1 is ensured. Furthermore, it is ensured that the rail fastening system 1 can be easily preassembled and easily adapted to different rail foot widths.
  • two (or more) rail types with different rail foot widths eg UIC60 and U50 are braced on the track sleepers 3 by means of the same tensioning clamps 6 or only one type of tensioning clamp and adapted angle guide plates 5 of different widths.
  • Fig. 1 is shown in the right half of a pre-assembly I, in which the nut 4 "of the fastener 4 is tightened with a tightening torque of about 50 Nm, that is not properly tightened.
  • FIGS. 1 and 2 Two different types of rails are shown.
  • Fig. 1 shows the rail type UIC60
  • Fig. 2 shows the rail type U50.
  • Both rail types (and of course others) can be mounted on the threshold with the illustrated rail fastening system 1, wherein only different angle guide plates 5 are used (see the later explained Fig. 8 ). All other elements can be used identically.
  • a tension clamp 6 In Fig. 3 is shown in various views a tension clamp 6.
  • the tension clamp 6 is formed symmetrically to a plane which extends vertically and is penetrated vertically by the rail longitudinal axis L.
  • the tension clamp 6 is made of a cross-sectionally round wire.
  • the end portions 6 'of the tension clamp 6 have a flat 9, which is ground edge-shaped.
  • An middle loop 6 "'of the tension clamp has a center section 6", which faces the rail 2 in the mounted state.
  • a flattening 16 is ground, ie the substantially W-shaped tension clamp 6 (s. Fig. 3b ) is formed in the region of the U-shaped middle loop 6 '"at its upper, the nut 4" side facing the flat 16.
  • the rail section 7 facing the center section 6 "of the tension clamp 6 (end of the" U ") is additionally beveled to reduce the height, especially in the pre-assembly of the rail fastening system and falls down from the flat 16 in the middle loop 6 '" down ( See in particular the two sections of the flattening 16 in FIG Fig. 3c ).
  • insulating element 8 is designed to positively receive the two opposite end portions 6 'of the tension clamp 6 and to electrically insulate them against the rail foot 7.
  • the insulating element 8 consists of a one-piece plastic molded part made of high-strength and highly insulating plastic. It consists of a lower part 8 'and an upper part 8 ", which can be folded relative to one another in the form of a film hinge via a hinge section 12. In the closed position, the upper part 8" can be locked by means of a latching or locking device. Clip closure relative to the lower part 8 'are fixed. Before closing the two parts 8 ', 8 ", the two end portions 6' of the tensioning clamp 6 have been inserted into receiving portions 10 of the insulating element 8.
  • the flattened portions 9 of the end portions 6 'of the tensioning clamp 6 find congruent portions 25 in the receiving portions 10, so that the end portions 6 'of the tension clamp 6 are received in an oriented position and - after closing the parts 8', 8 "-fixed.
  • the lower part 8 'of the insulating member 8 is provided with a flat 11, which - aligned to the section 25 - is arranged so that the insulating member 8 is held in a position such that the flattening 11 after mounting the tension clamp. 6 just rests on the rail 7.
  • the insulating element 8 On its underside and thus in the bearing point on the rail foot 7, the insulating element 8 is thus provided with a slightly sloping away from the rail 2 inclined surface 11, the sliding of the tension clamp 6 from the preassembly position I in the final assembly position II on the rail 7 improved sliding allows.
  • the free ends 6 'of the clamping clamp arms are enclosed by the insulating element 8; the insulation element 8 is formed at its two front ends with cylindrical receiving openings 10 in cross-section and therein to the flats 9 of the clamping clamp arms 6 'complementary, straight surfaces 25.
  • an anti-rotation of the insulator is achieved as soon as it is clipped onto the clamping clamp arms 6 '.
  • the assembly of the insulation element 8 at the tension clamp 6 and in particular at its end portions 6 ' is thus possible in a simple manner.
  • the insulating element 8 On its upper side, the insulating element 8 has a recess 13 in the area between the two-sided receiving sections 10.
  • This recess 13 is shaped to fit the contour of the center portion 6 "of the tension clamp 6, that is, the recess 13 can receive the closed end of the center portion 6".
  • the recess 13 constitutes a lower-lying bearing bed for the middle section 6 ", which leads to a reduction in the overall height of the tension-clamp insulator unit and thus contributes to a reduction in the overall height in the preassembled state, which in turn facilitates the automatic assembly of the tensioning clamps 6 by means of installation pulls.
  • FIGS. 5, 6 and 7 the proposed fastening system is shown in more detail, which dispenses with a conventional screw-dowel combination and instead uses a hook-nut-nut combination 4.
  • Fig. 5 an anchor element 14 is shown, of which two pieces are needed to set a rail 2 on both sides of a threshold 3.
  • the anchor elements 14 are cast in the material of a concrete sleeper and thus firmly connected to the threshold 3.
  • An upper support portion 26 of the anchor member 14 has a receiving groove 17 which is dovetail-shaped.
  • a screw 4 ' (s. Fig. 6 ) are inserted in the horizontal direction, which has at its lower end a base portion 27 which is formed congruent fitting to the receiving groove 17.
  • the screw 4 ' is thus positively fixed in the anchor member 14.
  • the angle guide plate 5 has a rectangular Recess 18, which is designed to match the cuboid support portion 26. If the angle guide plate 5 placed on the anchor member 14, the base portion 27 of the screw 4 'is accordingly chambered so that the screw 4' can not be removed.
  • An additional holder provides a projection 19, which is integrally formed on the angled guide plate 5 and formed so that it in a receptacle 20 of the anchor member 14 (s. Fig. 5 ) can intervene.
  • Fig. 8 It can be seen that two different sized angle guide plates 5 and 5 'can be used to realize different head webs 23 and 24 respectively, which makes it possible to use different rails 2 and 2' (see FIG. FIGS. 1 and 2 ), with otherwise identical components of the rail fastening system 1.
  • the wider track rail angle guide plate 5 (eg, the UIC60 rail type) has a narrower head land 23 than that for a narrower rail foot (eg, the U50 rail type) which defines the angle guide plate 5 on its side toward the rail. Accordingly, the angle guide plate is thus seen slightly shorter in the direction of the rail.
  • a narrower head bridge 23 is present and for a narrower rail foot (U50) according to a wider head restraint 24th

Landscapes

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

Claims (8)

  1. Système de fixation de rail (1) pour fixation élastique par force d'un rail (2) sur une traverse (3) d'une voie ferrée, comprenant au moins une plaque de guidage angulaire (5) pouvant être fixée sur la traverse (3) avec au moins un élément de fixation (4) et au moins une attache de serrage (6), l'attache de serrage (6) à l'état de montage définitif du système de fixation de rail (1) appuyant avec au moins une section (6') sur le patin du rail (7) et le rail (2) étant ainsi fixé sur la traverse (3) et un élément d'isolation (8) étant disposé entre au moins une section (6') de l'attache de serrage (6) et le patin de rail (7),
    caractérisé en ce que
    l'élément d'isolation (8) est constitué comme une pièce moulée par injection, celle-ci étant composée de deux parties (8', 8") pliables l'une par rapport à l'autre, qui sont reliées entre elles par une section à charnière (12) en particulier par une charnière à film, les deux parties (8', 8") pliables l'une par rapport à l'autre pouvant être reliées l'une par rapport à l'autre de préférence avec une fermeture encliquetable ou agrafable.
  2. Système de fixation de rail selon la revendication 1,
    caractérisé en ce que l'attache de serrage (6) est constituée symétriquement à un plan passant verticalement, qui est traversé perpendiculairement par l'axe longitudinal du rail (L), les deux sections (6') de l'attache de serrage (6) étant entourées par l'élément d'isolation (8).
  3. Système de fixation de rail selon la revendication 1 ou 2, caractérisé en ce que l'attache de serrage (6) est composée d'un fil métallique cintré avec une section circulaire, celle-ci comportant dans la zone d'au moins une section (6') un méplat constitué de forme secante (9), l'élément d'isolation (8) comportant au moins une section d'évidement (10) congruente à la forme de la section aplatie (6').
  4. Système de fixation de rail selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'élément d'isolation (8) comporte un méplat (11) sur un côté extérieur, qui est adapté à la forme de la surface du patin de rail (7), le méplat (11) étant constitué en particulier plan.
  5. Système de fixation de rail selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un évidement (13) est aménagé dans un côté extérieur de l'élément d'isolation (8), qui est adapté à la forme d'une section (6'') de l'attache de serrage (6).
  6. Système de fixation de rail selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'il comprend un élément d'ancrage (14) fixé dans la traverse (3),en particulier moulé dans le matériau de la traverse (3), l'élément de fixation (4) comprenant une vis (4') pouvant être fixée par complémentarité de forme dans l'élément d'ancrage (14) et un écrou correspondant (4").
  7. Système de fixation de rail selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'un élément d'isolation (15) est disposé entre la traverse (3) et le patin de rail (7), l'élément d'isolation (15) étant de préférence en caoutchouc, la plaque de guidage angulaire (5) étant de préférence dans un matériau isolant, en particulier en matière plastique.
  8. Système de fixation de rail selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'attache de serrage (6) est dotée sur sa face supérieure d'au moins un méplat (16).
EP11748579.7A 2010-08-27 2011-08-16 Système de fixation de rail Active EP2609255B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11748579T PL2609255T3 (pl) 2010-08-27 2011-08-16 System mocowania szyn

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010035660 2010-08-27
PCT/EP2011/004107 WO2012025201A1 (fr) 2010-08-27 2011-08-16 Système de fixation de rail

Publications (2)

Publication Number Publication Date
EP2609255A1 EP2609255A1 (fr) 2013-07-03
EP2609255B1 true EP2609255B1 (fr) 2016-09-28

Family

ID=44510871

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11748579.7A Active EP2609255B1 (fr) 2010-08-27 2011-08-16 Système de fixation de rail

Country Status (5)

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EP (1) EP2609255B1 (fr)
ES (1) ES2598527T3 (fr)
PL (1) PL2609255T3 (fr)
PT (1) PT2609255T (fr)
WO (1) WO2012025201A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502990B (en) 2012-06-12 2018-01-31 Pandrol Ltd Railway rail fastening clip for recessed railseats
PL3346054T3 (pl) 2017-01-10 2022-03-28 Schwihag Ag Łapka sprężysta i system mocowania szyn do mocowania szyn kolejowych
CN109799135B (zh) * 2019-02-19 2021-11-23 北京建筑大学 铁路i型弹条高频疲劳测试夹具及系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3400110A1 (de) 1984-01-04 1985-07-11 Karl Richtberg GmbH & Co. KG, 6530 Bingen Kraftschluessig-elastische schienenbefestigung fuer gleisanlagen
EP0828891B1 (fr) * 1996-03-27 2002-06-05 Pandrol Limited Ensembles de fixation de rail de chemin de fer comprenant des crapauds de fixation de rail resilients, et isolateurs associes
DE202007018500U1 (de) * 2007-02-19 2008-08-14 Vossloh-Werke Gmbh Isolier-Clip sowie System zum Befestigung einer Schiene für Schienenfahrzeuge
DE102008032354B3 (de) * 2008-07-09 2009-11-12 Vossloh-Werke Gmbh System zum Befestigen einer Schiene auf einem Untergrund
GB2476460B (en) * 2009-12-22 2016-01-13 Pandrol Ltd Railway rail fastening apparatus

Also Published As

Publication number Publication date
ES2598527T3 (es) 2017-01-27
PL2609255T3 (pl) 2017-05-31
PT2609255T (pt) 2017-01-02
WO2012025201A1 (fr) 2012-03-01
EP2609255A1 (fr) 2013-07-03

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