EP0677127B1 - Isolierende schienenklemme - Google Patents

Isolierende schienenklemme Download PDF

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Publication number
EP0677127B1
EP0677127B1 EP94902863A EP94902863A EP0677127B1 EP 0677127 B1 EP0677127 B1 EP 0677127B1 EP 94902863 A EP94902863 A EP 94902863A EP 94902863 A EP94902863 A EP 94902863A EP 0677127 B1 EP0677127 B1 EP 0677127B1
Authority
EP
European Patent Office
Prior art keywords
pad according
face
clip
central
sleeper
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.)
Expired - Lifetime
Application number
EP94902863A
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English (en)
French (fr)
Other versions
EP0677127A1 (de
Inventor
Claude Loison
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.)
Allevard SA
Original Assignee
Allevard SA
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
Priority claimed from FR9215860A external-priority patent/FR2699942B1/fr
Application filed by Allevard SA filed Critical Allevard SA
Publication of EP0677127A1 publication Critical patent/EP0677127A1/de
Application granted granted Critical
Publication of EP0677127B1 publication Critical patent/EP0677127B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01B9/306—Fastening on wooden or concrete sleepers or on masonry with clamp members by resilient steel clips the clip being a shaped plate
    • 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

Definitions

  • the present invention relates to an insulating stop for a rail fastener.
  • the insulating lateral stops have very varied geometries depending on the fixing system of which they are a part. They are generally made of a plastic material allowing a good compromise to be obtained between mechanical and electrical properties.
  • the known insulating stops comprise a front part for bearing against the shoe of the rail, a base resting in a corresponding housing of the cross member, an upper part for supporting the fastener provided with means for supporting the rear end of said fastener and a central through hole for the passage of an anchoring member and a rear part provided with a wedging face against the rear wall of the cross member housing.
  • the present invention aims to solve the above technical problems by providing that the upper part has a central depression whose bottom is inclined downward from front to rear, which is laterally flanked by two symmetrical reinforcing ribs and limited towards the rear by the support means of the fastener.
  • the central through hole is extended upward by a portion of cylinder to open into the depression slightly above the upper face of the ribs.
  • the inclined bottom communicates at the rear with a groove made through the support means of the fastener and opening out at the rear part.
  • each reinforcing rib is connected by its outer edge to a lateral wing.
  • said support means of the rear end of the fastener consist of two symmetrical cradles connected transversely to the respective rear end of each rib and the two cradles are arranged on either side of said groove at the upper face of the ribs.
  • the base comprises a central inclined face corresponding to the underside of the depression, bordered by two concave lateral spoils.
  • the lower end of the remains and that of the inclined face are joined by a transverse support face which transmits to the cross member the pressure from the rear end of the fastener and the transverse support face is connected to the rear wedging face s 'extending substantially vertically and in a plane approximately perpendicular to the cradles.
  • the thickness of the wall of the cylinder portion is determined so as to avoid excessive bending of the fastener by forming a support stop for the blade, which consequently limits the bending deformations of the assembly. of fixation.
  • the bending of the stop may exceed the accepted value, which may cause cracks or even a rupture.
  • the protuberance of the base makes it possible to avoid these phenomena.
  • the stop of the invention is lighter and more compact than existing stops while offering a high resistance to compression generated by the transverse forces of the rail thanks to the specific geometry of the transition volumes between the upper part, the base, the rear part and the front part.
  • this stop has no solid parts and can therefore be easily manufactured by injection molding without the phenomenon of air withdrawal or inclusion being detrimental to the quality and effectiveness of the finished product.
  • the stop B shown in Figures 1 to 5 comprises a front part 1 of support against the shoe of the rail R, a base 2 resting in a corresponding housing L of the cross T, an upper part 3 of support for the fastener A consisting of a leaf spring and a rear part 4 comprising a wedging face 40 against the rear wall of the housing L of the cross member T.
  • the front part 1 has two angled faces 11, 12 matching the lateral edge of the rail pad R (see FIGS. 3 and 5).
  • the upper part 3 is provided with support means 36 of the rear end of the fastener A and a central through hole 34 for the passage of the anchor member X in the cross member T (see FIGS. 2 and 5).
  • the upper part 3 also includes a central depression or recess 33, the bottom 330 of which is inclined downwards from the front towards the rear of the stop.
  • the depression 33 is flanked laterally by two symmetrical ribs 31, 32 of reinforcement and is limited towards the rear by the support means 36 of the fastener A.
  • the depression 33 rises gradually forward to the level of a flat rim 30 on which the front part of the fastener comes to bear.
  • the inclined bottom 330 communicates at its lower rear end, with a groove 35 opening onto the cross-member T directly above the rear part 4 and intended to evacuate water infiltration.
  • the groove 35 is formed through the support means 36 of the fastener A and thus separates them into two symmetrical parts.
  • the upper face of the reinforcing ribs 31, 32 is situated at a level slightly lower than that of the flat edge 30.
  • Each rib 31, 32 is connected by its outer edge to a lateral wing 310, 320 which reinforces the stability in compression.
  • the central orifice 34 is extended upwards by a portion of cylinder 37 to open into the depression 33 above the level of the upper face of the ribs 31, 32.
  • the upper edge of the wall of the cylinder 37 thus constitutes a support stop for the central part of the fastener A.
  • the thickness of the wall of the cylinder 37 is determined so as to avoid excessive bending of the fastener A.
  • the support means 36 of the rear end of the fastener A consist of two symmetrical cradles 361,362 on either side of the groove 35 connected transversely to the respective rear end of each rib 31,32.
  • the bottom of the cradles 361,362 is located at a lower level relative to the upper face of the ribs 31,32 while their upper front edge is located at the same level.
  • the cradles 361,362 are closed laterally by vertical walls 360.
  • the base 2 of the stop B has a central inclined face 22 corresponding to the underside of the depression 33 whose inclination is the same as that of the bottom 330 and where the central orifice 34 opens.
  • the pan 22 is bordered over its entire length with two concave and symmetrical side drafts 23, 24.
  • the transverse support face 21 rises slightly inclined upwards and backwards relative to the mean plane of the upper part 3.
  • the transverse face 21 is connected to the rear face 40 of wedging the rear part 4 extending substantially vertically and in a plane approximately perpendicular to the cradles 361,362.
  • the rear face 40 bears against the rear internal wall of the housing L of the cross member T.
  • the width of the upper part 3 located above the cross member T is greater than that of the base 2 housed in the cross member so that the underside of the lateral wings 310, 320 normally rests on the upper face of the cross member T while the lateral faces of the bodies 23, 24 are in contact with the internal lateral walls of the housing L (see FIG. 5).
  • the wedging face 40 of the rear part 4 is extended horizontally by a face 41 resting on the upper face of the cross-member T and reflecting, just like the support face 21, part of the forces from the rear end of the fastener AT.
  • the horizontal face 41 is provided over its entire width with a groove 42 at the junction with the wedging face 40.
  • the stop represented in FIG. 4 conforms to that which is illustrated in FIGS. 1 to 3, but its base 2 further comprises at least one and preferably two protrusions or frustoconical lugs 251, 252 arranged symmetrically on either side of the inclined face central 22.
  • protrusions are intended to come into bearing contact against the upper face of the housing L of the cross-member T during the bending of the stop from a predetermined clamping force. These protrusions 251, 252 thus limit the bending of the stop and prevent the appearance of any phenomenon of deformation or rupture.
  • the protrusions 251,252 are produced in the undercuts 23,24 midway between the front and rear support zones of the stop, that is to say in the zone where the amplitude of the bending is maximum .
  • the clearance situated between the lower end of the protrusions 251, 252 and the upper face of the housing L is between 0.5 and 3 mm. After tightening, there should be little play. If the tightening is excessive, the protrusions come to bear against the upper face of the housing L and the deformation of the bending is limited.
  • This additional support can have drawbacks for certain applications; for this purpose by a judicious choice of the geometry of the protrusions associated with the creep or relaxation properties of the material, it is possible to obtain a bearing force whose value decreases rapidly over time to become almost zero.
  • the bearing force is therefore only effective when it is useful, that is to say during tightening.
  • the protuberances are produced in the form of frustoconical elements.
  • the lower support face of these elements has a circular section whose surface is for example less than or equal to 2 cm 2 . Equivalent results can also be obtained with hemispherical protuberances.
  • the protrusions 251, 252 are produced in one piece with the stop directly by injection molding.
  • the stop shown in Figure 4 also includes on the inclined face 22, a vertical lug 26 for wedging intended to be inserted into a corresponding slot formed in the housing L.
  • the protuberance is produced on the base 2 in the form of a cylinder surrounding the central orifice 34.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Connection Of Plates (AREA)
  • Seats For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Insulators (AREA)
  • Moving Of Heads (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Road Paving Structures (AREA)
  • Bridges Or Land Bridges (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Linear Motors (AREA)
  • Seal Device For Vehicle (AREA)

Claims (17)

  1. Isolierendes Widerlager aus Plastik für eine Klemme (A) an Eisenbahnschienen (R), mit einem vorderen Teil (1) zur Auflage gegen den Schienenfuß, wobei ein Sockel (2) in einer der Schwelle (T) entsprechenden Aufnahme (L) ruht, einem oberen Teil (3) zum Stützen der Klemme (A), welches mit Lagermitteln (36) für das hintere Ende der Klemme (A) sowie mit einer zentralen Durchgangsöffnung (34) zum Durchlassen eines Verankerungselementes (X) versehen ist, und einem rückwärtigen Teil (4), das mit einer Verkeilungsfläche (40) gegen die hintere Wand der Aufnahme (L) der Schwelle versehen ist, dadurch gekennzeichnet, daß der obere Teil (3) eine zentrale Vertiefung (33) umfaßt, deren Boden (330) von vorne nach hinten abwärts geneigt ist, die seitlich von zwei symmetrischen Verstärkungsrippen (31, 32) eingerahmt und nach hinten durch die Lagermittel (36) für die Klemme (A) begrenzt ist.
  2. Widerlager gemäß Patentanspruch 1, dadurch gekennzeichnet, daß sich die zentrale Durchgangsöffnung (34) nach oben hin durch einen Zylinderteil (37) verlängert, um oberhalb der oberen Fläche der Rippen (31, 32) zu enden.
  3. Widerlager gemäß Patentanspruch 1 oder 2, dadurch gekennzeichnet, daß der geneigte Boden (330) an seiner Rückseite mit einer Kehle (35) in Verbindung steht, die durch die Lagermittel (36) für die Klemme (A) ausgebildet ist und von dem rückwärtigen Teil (4) aus auf der Schwelle T endet.
  4. Widerlager gemäß einem der vorangegangenen Patentansprüche, dadurch gekennzeichnet, daß jede Verstärkungsrippe (31, 32) durch ihre Außenkante mit einem seitlichen Flügel (310, 320) verbunden ist.
  5. Widerlager gemäß einem der vorangegangenen Patentansprüche, dadurch gekennzeichnet, daß die Lagermittel (36) für das hintere Ende der Klemme (A) aus zwei symmetrischen Sätteln (361, 362) bestehen, welche quer mit dem jeweiligen hinteren Ende jeder Rippe (31, 32) verbunden sind.
  6. Widerlager gemäß den Patentansprüchen 3 und 5, dadurch gekennzeichnet, daß die beiden Sättel (361, 362) auf der einen und auf der anderen Seite der Kehle (35) in Höhe der oberen Fläche der Rippen (31, 32) vorgesehen sind.
  7. Widerlager gemäß einem der vorangegangenen Patentansprüche, dadurch gekennzeichnet, daß der Sockel (2) eine geneigte zentrale Ebene (22) umfaßt, die der unteren, von zwei seitlichen konkaven Schrägen (23, 24) gesäumten Fläche der Vertiefung (33) entspricht.
  8. Widerlager gemäß einem der vorangegangenen Patentansprüche, dadurch gekennzeichnet, daß die Breite des oberen Teils (3) größer ist als die Breite des Sockels (2).
  9. Widerlager gemäß einem der vorangegangenen Patentansprüche, dadurch gekennzeichnet, daß das untere Ende der Schrägen (23, 24) und das der geneigten Ebene (22) durch eine stützende (21) Querfläche verbunden sind, welche den Druck des hinteren Endes der Klemme (A) an die Schwelle (T) weitergibt.
  10. Widerlager gemäß den Patentansprüchen 5 und 9, dadurch gekennzeichnet, daß die stützende Querfläche (21) mit der rückwärtigen Verkeilungsfläche (40) verbunden ist, die sich deutlich vertikal und gemäß einer annähernd rechtwinkligen Ebene zu den Sätteln (361, 362) erstreckt.
  11. Widerlager gemäß Patentanspruch 2, dadurch gekennzeichnet, daß die Dicke der Wand des Zylinderteils (34) so bestimmt ist, daß eine übermäßige Biegung der Klemme (A) beim Bilden des Widerlagers vermieden wird.
  12. Widerlager gemäß einem der vorangegangenen Patentansprüche, dadurch gekennzeichnet, daß der Sockel (2) mindestens einen Vorsprung (251) umfaßt, der dazu bestimmt ist, ab einer bestimmten Biegebeanspruchung in Anlagekontakt gegen die Oberfläche der Aufnahme (L) der Schwelle (T) zu kommen.
  13. Widerlager gemäß den Patentansprüchen 7 und 12, dadurch gekennzeichnet, daß die Sockel (2) zwei Vorsprünge (251, 252) umfaßt, die symmetrisch auf der einen und der anderen Seite der geneigten, zentralen Ebene (22) vorgesehen sind.
  14. Widerlager gemäß Patentanspruch 12 oder 13, dadurch gekennzeichnet, daß der Vorsprung (251, 252) kegelstumpfartig ist.
  15. Widerlager gemäß Patentanspruch 12 oder 13, dadurch gekennzeichnet, daß der Vorsprung halbkugelförmig ist.
  16. Widerlager gemäß einem der Patentansprüche 12 bis 15, dadurch gekennzeichnet, daß die Unterseite zum Aufliegen des Vorsprungs (251, 252) eine Oberfläche kleiner oder gleich 2 cm2 hat.
  17. Widerlager gemäß einem der Patentansprüche 12 bis 16, dadurch gekennzeichnet, daß im Ruhezustand ein Spiel zwischen 0,5 und 3 mm zwischen der Unterseite zum Aufliegen des Vorsprungs (251, 252) und der Oberseite der Aufnahme (L) existiert.
EP94902863A 1992-12-29 1993-12-28 Isolierende schienenklemme Expired - Lifetime EP0677127B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR9215860 1992-12-29
FR9215860A FR2699942B1 (fr) 1992-12-29 1992-12-29 Butée isolante pour attache de rail de chemin de fer.
FR9307680 1993-06-24
FR9307680A FR2699943B1 (fr) 1992-12-29 1993-06-24 Butée isolante pour attache de rail de chemin de fer.
PCT/FR1993/001304 WO1994015022A1 (fr) 1992-12-29 1993-12-28 Butee isolante pour attache de rail de chemin de fer

Publications (2)

Publication Number Publication Date
EP0677127A1 EP0677127A1 (de) 1995-10-18
EP0677127B1 true EP0677127B1 (de) 1997-07-30

Family

ID=26229998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94902863A Expired - Lifetime EP0677127B1 (de) 1992-12-29 1993-12-28 Isolierende schienenklemme

Country Status (17)

Country Link
EP (1) EP0677127B1 (de)
JP (1) JP3260374B2 (de)
KR (1) KR960700381A (de)
CN (1) CN1103687A (de)
AT (1) ATE156211T1 (de)
BR (1) BR9307751A (de)
DE (1) DE69312742D1 (de)
DK (1) DK0677127T3 (de)
DZ (1) DZ1743A1 (de)
ES (2) ES2096513B1 (de)
FR (1) FR2699943B1 (de)
GR (1) GR3024838T3 (de)
MA (1) MA23059A1 (de)
MX (1) MX9308180A (de)
OA (1) OA10170A (de)
TN (1) TNSN93142A1 (de)
WO (1) WO1994015022A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2119656B1 (es) * 1995-09-22 1999-05-16 Red Nac Ferrocarriles Espan Perfeccionamientos introducidos en las placas acodadas para sujeciones elasticas de carriles sobre traviesas de hormigon.
FR2764316B1 (fr) * 1997-06-05 1999-08-27 Allevard Stedef Dispositif de fixation ajustable d'un rail
US6305615B1 (en) * 2000-08-16 2001-10-23 Otis Elevator Company Rail clip
DE202007018602U1 (de) * 2007-09-21 2008-12-04 Vossloh-Werke Gmbh System zum Befestigen einer Schiene
CN101824780B (zh) * 2009-02-11 2013-10-23 沃斯洛工厂有限公司 将铁轨紧固至路基的系统的导板及包含该导板的系统
US20110047786A1 (en) * 2009-02-11 2011-03-03 Vossloh-Werke Gmbh Guide plate for a system for securing a rail on a substrate and a system comprising such guide plate
GB2476460B (en) * 2009-12-22 2016-01-13 Pandrol Ltd Railway rail fastening apparatus
GB201101720D0 (en) 2011-02-01 2011-03-16 Pandrol Ltd Railway rail fastening clips and insulator
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
GB2510419B (en) * 2013-02-04 2020-02-05 Pandrol Ltd A railway rail anchoring device
DE102013221175B4 (de) 2013-10-18 2020-10-01 Semperit Ag Holding Winkelführungsplatte

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411920A1 (fr) * 1977-12-16 1979-07-13 Ressorts Ind Assemblage elastique d'un rail sur son support
FR2634801B1 (fr) * 1988-08-01 1990-11-09 Sonneville Int Dispositif de support et de fixation pour rail de chemin de fer

Also Published As

Publication number Publication date
MX9308180A (es) 1995-01-31
FR2699943B1 (fr) 1997-08-29
JPH08504908A (ja) 1996-05-28
GR3024838T3 (en) 1998-01-30
JP3260374B2 (ja) 2002-02-25
TNSN93142A1 (fr) 1994-03-17
ES2096513B1 (es) 1997-10-16
KR960700381A (ko) 1996-01-20
MA23059A1 (fr) 1994-07-01
DZ1743A1 (fr) 2002-02-17
OA10170A (fr) 1998-12-18
WO1994015022A1 (fr) 1994-07-07
ATE156211T1 (de) 1997-08-15
ES2096513A1 (es) 1997-03-01
DE69312742D1 (de) 1997-09-04
EP0677127A1 (de) 1995-10-18
FR2699943A1 (fr) 1994-07-01
CN1103687A (zh) 1995-06-14
BR9307751A (pt) 1995-10-24
ES2107175T3 (es) 1997-11-16
DK0677127T3 (da) 1998-03-16

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