EP2226426B1 - Covering for railroad switch mechanisms in hollow sleepers and fabrication method thereof - Google Patents

Covering for railroad switch mechanisms in hollow sleepers and fabrication method thereof Download PDF

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Publication number
EP2226426B1
EP2226426B1 EP09380067.0A EP09380067A EP2226426B1 EP 2226426 B1 EP2226426 B1 EP 2226426B1 EP 09380067 A EP09380067 A EP 09380067A EP 2226426 B1 EP2226426 B1 EP 2226426B1
Authority
EP
European Patent Office
Prior art keywords
covering
central core
piece
lateral walls
switch mechanisms
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
EP09380067.0A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2226426A2 (en
EP2226426A3 (en
Inventor
Cesar Fernandez Sanchez
Luis Blanco Belda
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.)
Desarrollos Y Fabricacion Dyf Sa
Original Assignee
Desarrollos Y Fabricacion Dyf 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
Application filed by Desarrollos Y Fabricacion Dyf Sa filed Critical Desarrollos Y Fabricacion Dyf Sa
Publication of EP2226426A2 publication Critical patent/EP2226426A2/en
Publication of EP2226426A3 publication Critical patent/EP2226426A3/en
Application granted granted Critical
Publication of EP2226426B1 publication Critical patent/EP2226426B1/en
Active 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
    • E01B7/00—Switches; Crossings
    • E01B7/20—Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/02—Mechanical devices for operating points or scotch-blocks, e.g. local manual control
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/22—Special sleepers for switches or crossings; Fastening means therefor

Definitions

  • the invention refers to, as expressed on the wording of this descriptive report, a covering for railroad switch mechanisms in hollow sleepers and the fabrication method thereof, which provides to the function it is assigned to, a number of advantages and characteristics, apart from those inherent to its organization and constitution, to be detailed afterwards, which imply an innovative improvement in this field.
  • the object of the invention consists of a plastic covering with plural shapes and sizes according to each case, specially assigned to cover the different mechanisms located in hollow sleepers, which produce the coordinated movement of railroad switches, the covering being applicable to all kind of switches whose mechanisms are located in hollow sleepers, both for high speed and conventional rails.
  • This invention has its field of application in the industry dedicated to the manufacturing of railroad equipment, devices and accessories.
  • WO-A-01/75230 discloses a covering according to the preamble of claim 1.
  • the device applicable to a covering for railroad switch mechanisms in hollow sleepers supported by this invention includes improvements and innovative characteristics which substantially differentiate it from the already known systems for such purpose.
  • the covering supported by this invention consists of a reinforced piece, with variable shapes and sizes according to the specific needs of each case, fabricated by moulding of plastic materials, preferably impact-modified polyamide plastic, with thermoplastic rubber, UV additives and carbon black.
  • This piece has an inverted U-shaped cross-sectional configuration, which determines a central core, where some longitudinal and transverse reinforcing ribs are incorporated, as well as both lateral supporting wings, with eccentric holes that make the assembly easier, considering potential defects of the hollow sleepers they must cover.
  • a second aspect of the present invention refers to the fabrication method of the above-mentioned covering, which is based on a flexible system, involving the fabrication of generic types via injection moulding, being subsequently cut to measure so as to be adaptable to all types of hollow sleepers used for the different railroad switches.
  • the covering for railroad switch mechanisms in hollow sleepers supported by this invention represents an innovative structure with structural and constitutive characteristics not known so far for such purpose, reasons which, together with its practical usefulness, grant enough basis to obtain the exclusiveness privilege applied for.
  • the said covering having different shapes and sizes according to each case, is specifically aimed at covering the mechanisms which produce the coordinated movement of railroad switches in hollow sleepers.
  • the covering is formed by means of a piece (1), fabricated by moulding of plastic material, preferably impact-modified polyamide plastic, with thermoplastic rubber, UV additives and carbon black, having an inverted U-shaped cross-sectional configuration.
  • the above-mentioned U determines a central core (2), from which both lateral walls (3) arise perpendicularly and facing the same direction, being these two lateral walls (3) accommodated externally on two supporting wings (4).
  • These supporting wings (4) comprise almost the total length of the central core (2), except for those coverings where, as the examples of Figures 5 and 6 show for a lateral and a crossing covering respectively, the central core (2) extends further the supporting wings (4) or even further the lateral walls (3) according to the needs of each case.
  • the central core (2) of the piece (1) in order to provide rigidity and resistance to the same, reinforces it by incorporating on its upper surface plural longitudinal and transverse ribs (5), gussets (6) at the junctions of the lateral walls (3) and the supporting wings (4), and transverse ribs (7) incorporated at the inner face of the central core (2), which reinforce it by joining both lateral walls (3).
  • the supporting wings (4) have eccentric holes (8) to facilitate the piece assembly, considering potential defects of the hollow sleepers they must cover.
  • the piece fabrication system implies fabricating some piece generic types via injection moulding, being subsequently cut to measure so as to be adaptable to all types of hollow sleepers used for railroad switches.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Manufacture Of Switches (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Push-Button Switches (AREA)
EP09380067.0A 2009-03-06 2009-04-02 Covering for railroad switch mechanisms in hollow sleepers and fabrication method thereof Active EP2226426B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200900638A ES2361873B1 (es) 2009-03-06 2009-03-06 Tapa de cobertura de mecanismos en traviesas cajón de aparatos de v�?a y sistema de fabricación de la misma.

Publications (3)

Publication Number Publication Date
EP2226426A2 EP2226426A2 (en) 2010-09-08
EP2226426A3 EP2226426A3 (en) 2014-01-01
EP2226426B1 true EP2226426B1 (en) 2016-06-15

Family

ID=40651802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09380067.0A Active EP2226426B1 (en) 2009-03-06 2009-04-02 Covering for railroad switch mechanisms in hollow sleepers and fabrication method thereof

Country Status (2)

Country Link
EP (1) EP2226426B1 (es)
ES (1) ES2361873B1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2960134T3 (pl) * 2011-08-30 2020-11-16 Alstom Transport Technologies Urządzenie przełączające do zwrotnic kolejowych i tramwajowych lub podobnych

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191306982A (en) * 1913-03-22 1914-02-05 Samuel Thomas Quilliam Improved Sealing Means for Boxes Containing the Electrical Operating Mechanism of Tramway or Railway Points, Switches, and the like.
US1468533A (en) * 1923-08-21 1923-09-18 Dennis E Lahey Railway switch
US4337914A (en) * 1980-05-23 1982-07-06 Oneida General Corp. Railway switch stand cover
DE4314578A1 (de) * 1993-04-28 1994-11-03 Udo Wirthwein Elastische Schienenunterlage
FR2732047B1 (fr) * 1995-03-22 1997-06-13 Cogifer Dispositif perfectionne de manoeuvre notamment pour aiguillage de voie ferree
NL1014443C1 (nl) * 1999-02-19 2000-08-22 Kloos Oving B V Spoorwegcomponent.
AT4762U1 (de) * 2000-03-31 2001-11-26 Vae Eisenbahnsysteme Gmbh Querschwelle für eisenbahngleise
CN100364196C (zh) * 2000-09-26 2008-01-23 乔纳森·马克·莫里斯 与铁路轨道结合在一起的管道
CN2622239Y (zh) * 2003-05-06 2004-06-30 王建和 防踩压型电动转辙机防尘板
AT8698U1 (de) * 2005-08-02 2006-11-15 Vae Gmbh Abdeckung für antriebs-, verschluss- und/oder prüfergestänge eines weichenantriebs

Also Published As

Publication number Publication date
EP2226426A2 (en) 2010-09-08
ES2361873B1 (es) 2012-05-07
EP2226426A3 (en) 2014-01-01
ES2361873A1 (es) 2011-06-24

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