EP1873310B1 - Coeur de croisement pour aiguillages - Google Patents

Coeur de croisement pour aiguillages Download PDF

Info

Publication number
EP1873310B1
EP1873310B1 EP07009778A EP07009778A EP1873310B1 EP 1873310 B1 EP1873310 B1 EP 1873310B1 EP 07009778 A EP07009778 A EP 07009778A EP 07009778 A EP07009778 A EP 07009778A EP 1873310 B1 EP1873310 B1 EP 1873310B1
Authority
EP
European Patent Office
Prior art keywords
ramp
frog
point
wheel
region
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.)
Not-in-force
Application number
EP07009778A
Other languages
German (de)
English (en)
Other versions
EP1873310A3 (fr
EP1873310A2 (fr
Inventor
Andreas Zoll
Volkmar Sauer
Dirk Nicklisch
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.)
DB Netz AG
Original Assignee
DB Netz 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 DB Netz AG filed Critical DB Netz AG
Publication of EP1873310A2 publication Critical patent/EP1873310A2/fr
Publication of EP1873310A3 publication Critical patent/EP1873310A3/fr
Application granted granted Critical
Publication of EP1873310B1 publication Critical patent/EP1873310B1/fr
Not-in-force 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
    • E01B7/10—Frogs

Definitions

  • the invention relates to a centerpiece with a ramp for a switch for traffic routes of rail vehicles, according to the preamble of claim 1.
  • pointed driving on a switch the wheel of a rail vehicle driving the switch is transferred from a wing rail to a centerpiece. So that the transfer of the wheel between the wing rail and the center piece can take place as far as possible without great impact, the centerpieces of the prior art have a ramp.
  • This ramp begins at the practical frog point and runs linearly rising on top of the centerpiece.
  • K-point the ramp goes over with a kink in the "normal”, ie non-machined part of the heart piece, which is at the height of the upper rail edge of adjacent rail sections, in particular that of the opposite rail.
  • From the DE 10 2004 017 746 A1 is a method for detecting the state and for processing track systems, in particular for determining the position and the profile and for processing turnout centers known, wherein a three-dimensional profile image of the overflow area of a turnout centerpiece created and delivered the actual profile data to a data processing unit which analyzes the actual profile data and generates desired profile data by means of a numerical algorithm for the geometric description of the points centerpiece.
  • shocks can not be excluded by the transfer of the wing rail on the core.
  • Disadvantages of this solution are therefore in particular force peaks, strong plastic deformation, frequent repair work (grinding / welding) of the heart due to sharp crossing or transfer of the wheel from the wing rail on the core. It is therefore an object of the invention to provide a centerpiece with a ramp for a switch, with a profiling, are reduced in the impact by the transfer of the wing rail on the core. This object is achieved by the features specified in claim 1.
  • a shift of the K-point takes place, in particular, by 1000 mm in the direction of the turnout end, resulting in a so-called "long" ramp.
  • the point N in the form of a formation of a "buckling ramp” with a course in an area around the theoretical wheel overflow, the point CC, almost parallel to the upper edge of the wing rail is.
  • transitions between individual areas of the ramp do not have to take the form of a kink, but can also be designed to be continuously differentiable. In this case, the transition between individual areas takes place in a sliding and rounded manner.
  • the invention provides a reduction of the stress level (vertical forces) of the core through a (nearly) constant and flat inclination of Radabsenkungskurve. This applies both to the area of the theoretical wheel overflow and the subsequent center piece ramp. This results in a particularly advantageous longer life and greater profile accuracy.
  • a wheel when passing a turnout in the direction of travel 4 is passed from the wing rail 1 on the core 2.
  • the heart 2 of the switch has a ramp 3 to make the transition of the wheel of the wing rail 1 on the core 2 without major abrupt movements.
  • the ramp 5 or the profiling line 7 of the frog is formed with a ramp according to the prior art linearly rising from the practical tip N of the frog 2 to the K point K SDT .
  • Fig. 2 and Fig. 3 is a ramp 6 according to the invention or the profiling line 8 of the heart piece with a ramp in the first region after the practical tip N of the core 2 also formed linearly rising.
  • the first area is adjoined by a second area in which the ramp is formed horizontally. In this second area, the transfer of the wheel takes place on the heart 2.
  • the second area is followed by a third area, which is formed linearly rising up to the shifted in the direction of the point end K-point K kink .
  • Fig. 4 shows the difference of the Radabsenkung at overrun of a wheel (wheel profile S1002) over a centerpiece with a ramp, using the example of a simple heart piece of the type EH 60 - 500 - 1:12, with a ramp according to the prior art, shown with a thin line , and according to the invention, shown with a bold line. It can be seen that the minimum of the curve for the ramp according to the invention, which lies in the region of the transition of the wheel from the wing rail 1 to the core 2, is widened. This leads according to Fig. 5 to a significant reduction of the Q-force and thus to a smoother transition of the wheel of the wing rail 1 on the core 2.
  • the tip tracking of the switch was simulated with a locomotive at a speed of 120 km / h.
  • the evaluation of the results from the simulation calculations is based on the wheel reduction and the Q force curve. It can be seen that there is a direct relationship between the maximum of the Radabsenkung, the slope of Radabsenkungskveve from the point of theoretical wheel overflow (maximum reduction) towards the turnout end and the resulting Q-force in this area for the impact and subsequent lifting of the wheel.
  • curves of the Radabsenkung for a wheel profile S1002 show that the ramp shape according to the invention has the desired (almost) constant and flat slope from the point of wheel transfer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Switches With Compound Operations (AREA)
  • Push-Button Switches (AREA)
  • Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
  • Surgical Instruments (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Claims (5)

  1. Coeur de croisement (2) comprenant une rampe (6) pour un aiguillage pour voies de circulation de véhicules ferroviaires, la roue d'un véhicule ferroviaire passant sur l'aiguillage pouvant être transférée d'une patte de lièvre (1) à un coeur de croisement (2) présentant une pointe de coeur de croisement (N), caractérisé en ce que,
    • dans une première zone située après la pointe pratique du coeur de croisement (N), la rampe (6) du coeur de croisement (2) est déformée en montant,
    • dans une deuxième zone adjacente comportant le point (C-C) de transfert de la roue, la rampe (6) du coeur de croisement (2) est déformée pratiquement parallèlement au bord supérieur de la patte de lièvre (1) et,
    • dans une troisième zone suivante allant jusqu'au bout (K) de la rampe (6), la rampe (6) du coeur de croisement (2) est déformée en montant.
  2. Coeur de croisement (2) comprenant une rampe (6) selon une des revendications précédentes, caractérisé en ce que la montée des différentes zones de la rampe (6) se fait linéairement.
  3. Coeur de croisement (2) comprenant une rampe (6) selon une des revendications précédentes, caractérisé en ce que la transition entre les différentes zones de la rampe (6) est réalisée en forme de coude.
  4. Coeur de croisement (2) comprenant une rampe (6) selon une des revendications précédentes, caractérisé en ce que l'extension de la transition entre les différentes zones de la rampe (6) est de type toujours différenciable.
  5. Coeur de croisement (2) comprenant une rampe (6) selon une des revendications précédentes, caractérisé en ce que le coeur de croisement (2) comportant une rampe (6) est fixe ou mobile.
EP07009778A 2006-06-30 2007-05-16 Coeur de croisement pour aiguillages Not-in-force EP1873310B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006030812A DE102006030812B3 (de) 2006-06-30 2006-06-30 Knickrampe eines Herzstückes einer Weiche

Publications (3)

Publication Number Publication Date
EP1873310A2 EP1873310A2 (fr) 2008-01-02
EP1873310A3 EP1873310A3 (fr) 2008-06-04
EP1873310B1 true EP1873310B1 (fr) 2011-05-04

Family

ID=38282493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07009778A Not-in-force EP1873310B1 (fr) 2006-06-30 2007-05-16 Coeur de croisement pour aiguillages

Country Status (3)

Country Link
EP (1) EP1873310B1 (fr)
AT (1) ATE508226T1 (fr)
DE (2) DE102006030812B3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011100488A1 (de) * 2011-05-04 2012-11-08 Vossloh Laeis Gmbh & Co.Kg Überlaufherzstück
CN103741563B (zh) * 2013-12-31 2015-09-23 中铁山桥集团有限公司 一种尖端加厚的固定型锐角辙叉心轨
CN113089386B (zh) * 2021-05-25 2023-01-06 肖宗旺 一种固定道岔车载式变轨系统
EP4310251A1 (fr) * 2022-07-19 2024-01-24 Vossloh Cogifer C ur de croisement adapté à plusieurs profils de roues

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1341354A (en) * 1919-10-18 1920-05-25 James A Booth Emergency-switch
DD223480A1 (de) * 1984-04-03 1985-06-12 Verkehrswesen Hochschule Flachrillenherzstueck und -kreuzungsstueck
DE19837860C1 (de) * 1998-08-20 2000-01-05 Kaspar Schroeder Schutz- und Sicherheitsvorrichtung an Schienenweichen
DE102004017746B8 (de) * 2004-04-06 2006-04-06 Witt Industrie Elektronik Gmbh Verfahren und Vorrichtung zur Erfassung des Zustandes und zur Bearbeitung von Weichen in Gleisanlagen

Also Published As

Publication number Publication date
ATE508226T1 (de) 2011-05-15
EP1873310A3 (fr) 2008-06-04
DE102006030812B3 (de) 2007-08-09
DE502007007100D1 (de) 2011-06-16
EP1873310A2 (fr) 2008-01-02

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