EP2318588B1 - Dispositif de fixation de rail sur un support de voie - Google Patents

Dispositif de fixation de rail sur un support de voie Download PDF

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Publication number
EP2318588B1
EP2318588B1 EP09794022.5A EP09794022A EP2318588B1 EP 2318588 B1 EP2318588 B1 EP 2318588B1 EP 09794022 A EP09794022 A EP 09794022A EP 2318588 B1 EP2318588 B1 EP 2318588B1
Authority
EP
European Patent Office
Prior art keywords
rail
shoulder
lateral
pad
chimney
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
EP09794022.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2318588A1 (fr
Inventor
Joël Cailliau
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.)
Railtech International SA
Original Assignee
Railtech International SA
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Filing date
Publication date
Application filed by Railtech International SA filed Critical Railtech International SA
Publication of EP2318588A1 publication Critical patent/EP2318588A1/fr
Application granted granted Critical
Publication of EP2318588B1 publication Critical patent/EP2318588B1/fr
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00Fastening rails on sleepers, or the like
    • E01B9/02Fastening rails, tie-plates, or chairs directly on sleepers or foundations; Means therefor
    • E01B9/28Fastening on wooden or concrete sleepers or on masonry with clamp members
    • E01B9/30Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips
    • E01B9/306Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped plate

Definitions

  • the invention relates to a rail fastening device on a track support having a lateral shoulder parallel to the rail. It relates more particularly to improvement to control the clamping force developed by an elastic fastener part of said fastener.
  • the rails of a railway track are laid and fixed on track supports by means of elastic fasteners.
  • a track support provided with a flat central recess for accommodating such a rail and defining two parallel shoulders, each at a distance from an edge of the lateral shoe of the rail.
  • a resilient under-rail sole is placed on the support and is intended to receive the base of the rail. It transmits the vertical forces in the way, at the passage of the train.
  • a lateral abutment is interposed between the edge of the rail pad and the shoulder adjacent the support. This stop transmits the transverse forces of the rail in the track.
  • Fixing is provided by a resilient fastener generally in the form of an elastically deformable plate (substantially trapezoidal) bearing between the shoulder and the rail pad.
  • An anchor fixed to the support passes through the fastener and bears on it, at a distance from the pad, to put the elastic fastener under stress.
  • This anchorage (lag screw or bolt) exerts on the elastic attachment a force or displacement in the vertical direction.
  • an insulator without mechanical function, is most often interposed between the elastic fastener on the one hand and the pad and the shoulder on the other hand. It is placed under the clip. It ensures the electrical isolation of the fastener vis-à-vis the rail.
  • the force applied vertically to the rail shoe through the fastener is an important feature of the fastener. It has a direct influence on the longitudinal sliding resistance of the rail relative to the track support, which is important for the use of long welded rails.
  • the elastic fastener is generally made of spring steel that is put under stress by imposing a controlled deformation. This effort must remain as constant as possible despite the natural wear likely to occur on the components of the fastener, over the years. These wear tend to reduce the initial value of the stress applied to the elastic spring fastener.
  • the object of the invention is to better control the clamping stress applied to the elastic fastener by blocking said anchoring when a predefined depression has been reached.
  • the invention relates to a rail fastening device as defined in claim 1.
  • the lateral stop plays the additional role of a shim placed between the underside of the elastic clip and the support.
  • the limitation of the depression of the elastic fastener causes a limitation of the bending of the steel plate which constitutes it so that it will support the rail with a controlled intensity effort.
  • the location of the contact zone is such that the fastener can deform freely between the anchor and the bearing zone on the runner of the rail. In this way, most of the elastic fastener can deform elastically (partially relaxing) to accompany the depression of the rail to the passage of the train. This flexibility eliminates the risk of loss of contact between the fastener and the rail when the latter sinks somewhat to the passage of the train.
  • the locking of the fastener during the initial tightening makes it possible to control the tightening without affecting the elasticity of the fastener when the rail is sinking vertically to the passage of a train.
  • the lateral abutment comprises a passage chimney of said anchor and said contact zone is constituted by a portion of the upper surface of this chimney.
  • this upper surface comprises a downwardly inclined portion adjoining said contact zone, the lower level of said inclined portion being in the vicinity of the rail.
  • a plate of electrically insulating material is interposed under the elastic fastener between the rail pad and said shoulder.
  • This plate preferably comprises a large central recess through which said chimney engages. In this way, the plate does not interfere with the chimney which plays its full role of abutment limiting the deformation of the elastic fastener.
  • the wafer and the lateral abutment comprise cooperating clipping means. They can therefore be delivered assembled and assembled together along the track.
  • the lateral stop alone (the width of which corresponds to the distance separating the edge of the rail pad from the edge of the shoulder), is put in place to serve as a guide for laying the rail.
  • the insulating plate is clipped on the lateral stop after the laying of the rail.
  • the lateral abutment is made of very hard synthetic material such as for example a polyamide reinforced with glass fibers while the insulating wafer may in all cases be of a less resistant material such as a normal polyamide.
  • a rail 11 placed on a support 13 in a recessed portion 14 thereof, with a flat bottom, defining two lateral shoulders 15.
  • the rail rests on the support via a sole 17 slightly elastically compressible. This sole transmits the vertical forces of the train in the support 13 of the track.
  • a lateral stop 19 placed between one of the shoulders 15 and the edge of a shoe 21 of the rail. This stop 19 transmits the transverse forces of the rail in the track. It occupies the space between the edge of the pad 21 and the edge of the shoulder 15.
  • the rail is fixed to the support 13 via a resilient fastener 23 deformable, generally shaped trapezoidal plate. This metal fastener bears between the shoulder 15 and the shoe 21 by means of a plate 25 of electrically insulating material, interposed, under the elastic fastener, between the rail pad 21 and the shoulder 15.
  • An anchor 27 (cooperating with the elastic fastener 23) here consists of a rod 29 threaded at its upper end and a nut 31.
  • the rod is sealed to the support 13.
  • This rod 29 passes through said lateral stop 19, the insulating plate 25 and the elastic fastener 23.
  • the nut 31 is screwed onto the threaded end of this rod and applies the assembly constituted by the elastic fastener 23 and the insulating plate 25 against the rail pad 21 and the shoulder 15.
  • the tightening of the nut is accompanied by an elastic deformation of the fastener 23, ensuring a proportional clamping to the depression of the nut.
  • the lateral stop 19 bears on the support 13 between the shoulder and the edge of the pad and comprises, at its upper part, a contact zone 33 for the elastic fastener 23.
  • This zone contact 33 is essentially located between the lateral shoulder 15 and a vertical plane parallel to the rail and passing through the axis of the rod 29 forming part of said anchorage.
  • said contact zone is between the shoulder and the rod 29.
  • the lateral abutment 19 comprises a passage chimney 35 for the rod 29 of the anchor.
  • Said contact zone 33, limiting the deformation of the fastener 23 consists of a part of the surface 37 of this chimney 35.
  • the upper surface 37 of the chimney comprises a horizontal part forming said contact zone 33, adjoining an inclined portion 41 and extending it away from the rail from the upper level thereof. More specifically, the lower level of the inclined portion 41 is in the vicinity of the rail.
  • the elastic fastener 23 is free in this area facing the inclined portion 41 and retains all its elasticity between the anchor 27 and the rail 11 despite the presence of the contact zone 33 which allowed to control precisely the deformation and consequently the tightening provided by the elastic fastener 23.
  • the plate 25 has a relatively wide central recess 45 through which the chimney 35 engages. In this way, the plate 25 does not interfere with the chimney when it accompanies the downward deflection of the elastic fastener 23. when passing a train.
  • the plate 25 comprises two clipping legs 47 cooperating with notches 49 of the lateral stop. Thanks to these cooperating clipping means, these two elements can be preassembled before being installed along the rail.
  • the lateral abutment alone can serve as guiding means for laying the rail. In this case, the plate is clipped in situ, after installation of the rail.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
EP09794022.5A 2008-06-26 2009-06-25 Dispositif de fixation de rail sur un support de voie Active EP2318588B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0854294A FR2933107B1 (fr) 2008-06-26 2008-06-26 Dispositif de fixation de rail sur un support de voie.
PCT/FR2009/051210 WO2010004170A1 (fr) 2008-06-26 2009-06-25 Dispositif de fixation de rail sur un support de voie

Publications (2)

Publication Number Publication Date
EP2318588A1 EP2318588A1 (fr) 2011-05-11
EP2318588B1 true EP2318588B1 (fr) 2015-08-05

Family

ID=40340701

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09794022.5A Active EP2318588B1 (fr) 2008-06-26 2009-06-25 Dispositif de fixation de rail sur un support de voie

Country Status (8)

Country Link
EP (1) EP2318588B1 (pt)
JP (1) JP5686478B2 (pt)
ES (1) ES2551742T3 (pt)
FR (1) FR2933107B1 (pt)
MA (1) MA32415B1 (pt)
MX (1) MX2010014236A (pt)
PT (1) PT2318588E (pt)
WO (1) WO2010004170A1 (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544317A (zh) * 2015-12-18 2016-05-04 天津市东达伟业机车车辆有限公司 一种全肩式尼龙挡板座
WO2021035846A1 (zh) * 2019-08-23 2021-03-04 北京铁科首钢轨道技术股份有限公司 用于无砟轨道中有轨枕挡肩的扣件组件

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2971267B1 (fr) * 2011-02-09 2014-06-27 Vape Rail Int Dispositif de fixation d'un rail de chemin de fer sur un support tel qu'une traverse
FR2971268A1 (fr) * 2011-02-09 2012-08-10 Vape Rail Int Dispositif de fixation d'un rail de chemin de fer sur un support tel qu'une traverse
CZ23871U1 (cs) * 2011-12-21 2012-05-24 DT-výhybkárna a strojírna a.s. Zarízení pro upevnení kolejnic
ES2452479B1 (es) * 2012-02-21 2015-05-07 Prefabricaciones Y Contratas, S.A.U. (Precon, S.A.U.) Traviesa de ancho mixto con sujeciones simétricas para los carriles
KR101496002B1 (ko) * 2013-05-07 2015-02-25 주식회사 포스코 볼트 고정장치
KR101577049B1 (ko) 2013-12-03 2015-12-11 영중산업 주식회사 크레인 레일 개량형 클립
CN109879166A (zh) * 2019-03-09 2019-06-14 中国水利水电第五工程局有限公司 一种用于大型门吊十字型交叉轨道的快速变轨装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634801B1 (fr) * 1988-08-01 1990-11-09 Sonneville Int Dispositif de support et de fixation pour rail de chemin de fer
FR2657631B1 (fr) * 1990-01-30 1997-05-09 Allevard Ind Sa Dispositif de fixation de rail de chemin de fer sur un support en beton ou en metal.
FR2715413B1 (fr) * 1994-01-21 1996-04-12 Allevard Sa Dispositif de fixation pour rail de chemin de fer.
JP3058594B2 (ja) * 1996-07-10 2000-07-04 東京フアブリック工業株式会社 高さ調整機能付レール締結装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544317A (zh) * 2015-12-18 2016-05-04 天津市东达伟业机车车辆有限公司 一种全肩式尼龙挡板座
WO2021035846A1 (zh) * 2019-08-23 2021-03-04 北京铁科首钢轨道技术股份有限公司 用于无砟轨道中有轨枕挡肩的扣件组件

Also Published As

Publication number Publication date
FR2933107B1 (fr) 2010-09-17
JP5686478B2 (ja) 2015-03-18
WO2010004170A1 (fr) 2010-01-14
MX2010014236A (es) 2011-05-19
EP2318588A1 (fr) 2011-05-11
ES2551742T3 (es) 2015-11-23
PT2318588E (pt) 2015-11-18
MA32415B1 (fr) 2011-06-01
JP2011525948A (ja) 2011-09-29
FR2933107A1 (fr) 2010-01-01

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