EP0531771B1 - Traverse en forme d'Y pour chemins de fer à crémaillère - Google Patents

Traverse en forme d'Y pour chemins de fer à crémaillère Download PDF

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Publication number
EP0531771B1
EP0531771B1 EP92114259A EP92114259A EP0531771B1 EP 0531771 B1 EP0531771 B1 EP 0531771B1 EP 92114259 A EP92114259 A EP 92114259A EP 92114259 A EP92114259 A EP 92114259A EP 0531771 B1 EP0531771 B1 EP 0531771B1
Authority
EP
European Patent Office
Prior art keywords
sleeper
rack
double
track
shaped
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
EP92114259A
Other languages
German (de)
English (en)
Other versions
EP0531771A1 (fr
Inventor
Klaus Meurer
Günter Fasterding
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.)
Preussag Stahl AG
Original Assignee
Preussag Stahl 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 Preussag Stahl AG filed Critical Preussag Stahl AG
Publication of EP0531771A1 publication Critical patent/EP0531771A1/fr
Application granted granted Critical
Publication of EP0531771B1 publication Critical patent/EP0531771B1/fr
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
    • E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
    • E01B3/16—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from steel
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E01B25/02—Tracks for rack railways

Definitions

  • the invention relates to a Y-shaped steel sleeper for rails of a railroad track.
  • Y-shaped steel sleepers are already known, for example from EP-A1-0 298 904.
  • a Y-sleeper for railroad tracks in ballast beds is disclosed, each of which has, under its sleeper ends, a positional safety device for the sleeper, which unites the steel sleepers gives increased lateral displacement resistance.
  • Each threshold has three threshold ends, each consisting of two interconnected double T-beams. The threshold ends are connected by two curved double T-beams. It is known to arrange a rack on the sleepers on tracks for rack and pinion tracks, which have to negotiate steep slopes on mountain slopes, into which complementary gear wheels of the motor vehicle of the rack and pinion track can engage.
  • the invention is based on the problem of finding a particularly safe, long-lasting track shape for a rack and pinion railway.
  • Y-shaped steel sleepers are a suitable track element under the special conditions for such cogwheel railways because they are adapted to the loads that occur.
  • the invention therefore proposes a Y-shaped steel sleeper, with three sleeper ends each consisting of two interconnected double-T beams and at least two curved double T-beams connecting the sleeper ends, at least one of which is connected on its upper side to a holder for a toothed rack arranged approximately in the middle of the track.
  • the bracket for the rack of the rack railway which is exposed to high forces, can be welded onto the threshold. This counteracts the problem of rotting wooden sleepers or concrete sleepers and the resulting loosening of the holder for the rack.
  • Steel is also extremely rigid and suitable to absorb large forces; this results in a second criterion for the use of a steel sleeper for mountain railways in order to take the safety aspect into account.
  • Y-shaped steel sleepers are to be used because it is known that they ensure a smoother train than other types of sleepers.
  • This advantage also has an effect on the reduction in wear on the toothed elements, so that there is a further improvement in economy and smooth running for the cogwheel train.
  • the holder can be welded onto both curved double T-beams. This measure results in an additional stiffening of the sleeper element, since the sleeper ends are not arranged axially parallel, as in the case of conventional simple rod-shaped transverse sleepers, but are offset in a triangular manner with respect to one another.
  • the bracket has a further attachment point per threshold.
  • the known position securing of the sleepers for a railroad track in the ballast bed should also be applied to a rack railway.
  • the position securing devices designed as profile steel should not only be arranged under the threshold ends, but also connect the threshold ends arranged at the fork spacing of the Y-threshold. This has the advantage that a further stiffening of the track element and theoretically possible spreading forces acting on the fork end of the Y threshold cannot be transferred to the fastening of the holder for the rack.
  • the securing of the position with its high resistance to lateral displacement naturally also ensures the positional accuracy of the track body, which is particularly important for mountain railways, due to the risk of the train otherwise falling or the risk of collision with the rock walls directly next to the gauge of the railroad.
  • the Y-shaped steel sleeper according to FIG. 1 has three sleeper ends 1, 2, 3, which consist of double T-beams arranged side by side.
  • two curved double-T beams form on the one hand the sleeper end 1 and on the other hand, together with short double-T support pieces 6, 7 arranged in parallel, also the sleeper ends 2 and 3 the upper chords welded together.
  • the rail can be stored between the bars 15 shown.
  • L-shaped profiles 10, 9 are arranged below the rail supports, which give the sleeper an increased positional security, in particular an increased lateral displacement resistance.
  • the position securing device 9 is designed as a connecting element between the threshold ends 2 and 3.
  • the holder 8 with the supports 11, 12 for the two parallel racks 13, 14 is welded onto the upper side of the threshold, approximately in the middle of the track.
  • the racks can be connected to the bracket 8 by screwing 16.
  • such Y-shaped steel sleepers are arranged one behind the other in an alternating position in such a way that a sleeper end 3, the sleeper end 2 and then the sleeper end 1 are followed by the next Y sleeper and serve as bearings for a rail.
  • the support sequence is corresponding: threshold end 1, threshold end 2, threshold end 3.
  • the support for the rails is designed as a double bearing due to the parallel arrangement of the double-T beams per sleeper ends 1, 2, 3, which means that the rack railway runs even more smoothly.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Railway Tracks (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Inorganic Insulating Materials (AREA)
  • Processing Of Color Television Signals (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Claims (4)

  1. Traverse en acier en forme de Y pour rails d'une voie de chemin de fer à crémaillère, comportant trois extrémités de traverse (1, 2, 3) constituées chacune de deux supports (4, 5, 4, 6 ou 5, 7) en double T, reliés l'un à l'autre, et d'au moins deux supports (4, 5) repliés en double T reliant les extrémités de traverse, dont au moins un est relié sur sa face supérieure à une attache (8) de crémaillère (13, 14) disposée sensiblement au milieu de la voie.
  2. Traverse en acier selon la revendication 1, caractérisée par une attache (8) soudée sur deux supports (4, 5) en double T.
  3. Traverse en acier selon la revendication 1 ou 2, caractérisée en ce que sur sa face inférieure, un des deux supports (4, 5) repliés en double T relie une fixation de positionnement (9, 10) de la traverse en acier disposée chaque fois sensiblement dans la zone de la pose des rails.
  4. Traverse en acier selon l'une des revendications 1 à 3, caractérisée en ce qu'au moins un appui (11, 12) pour crémaillère (13, 14) est prévu sur l'attache (8).
EP92114259A 1991-09-12 1992-08-21 Traverse en forme d'Y pour chemins de fer à crémaillère Expired - Lifetime EP0531771B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9111363U DE9111363U1 (fr) 1991-09-12 1991-09-12
DE9111363U 1991-09-12

Publications (2)

Publication Number Publication Date
EP0531771A1 EP0531771A1 (fr) 1993-03-17
EP0531771B1 true EP0531771B1 (fr) 1995-02-01

Family

ID=6871208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92114259A Expired - Lifetime EP0531771B1 (fr) 1991-09-12 1992-08-21 Traverse en forme d'Y pour chemins de fer à crémaillère

Country Status (3)

Country Link
EP (1) EP0531771B1 (fr)
AT (1) ATE118048T1 (fr)
DE (2) DE9111363U1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU81116A1 (de) * 1979-04-03 1980-04-21 Arbed Zur befestigung von eisenbahnschienen auf stahlschwellen geeignetes befestigungssystem
DE3722627A1 (de) * 1987-07-09 1989-01-26 Salzgitter Peine Stahlwerke Lagesicherung fuer stahlschwellen

Also Published As

Publication number Publication date
DE9111363U1 (fr) 1992-11-12
EP0531771A1 (fr) 1993-03-17
ATE118048T1 (de) 1995-02-15
DE59201332D1 (de) 1995-03-16

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