EP2999821B1 - Weiche mit gerader strecke und kurvenstrecke - Google Patents

Weiche mit gerader strecke und kurvenstrecke Download PDF

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Publication number
EP2999821B1
EP2999821B1 EP14734719.9A EP14734719A EP2999821B1 EP 2999821 B1 EP2999821 B1 EP 2999821B1 EP 14734719 A EP14734719 A EP 14734719A EP 2999821 B1 EP2999821 B1 EP 2999821B1
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EP
European Patent Office
Prior art keywords
latch
stock rail
recession
tip
depth
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.)
Revoked
Application number
EP14734719.9A
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English (en)
French (fr)
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EP2999821A1 (de
Inventor
Petr DOSTÁL
Jírí HAVLÍK
Vladimir MUZIKANT
Marek SMOLKA
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.)
Dt- Vyhybkarna A Strojirna AS
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Dt- Vyhybkarna A Strojirna AS
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Application filed by Dt- Vyhybkarna A Strojirna AS filed Critical Dt- Vyhybkarna A Strojirna AS
Publication of EP2999821A1 publication Critical patent/EP2999821A1/de
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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
    • E01B7/02—Tongues; Associated constructions

Definitions

  • the technical solution relates to a switch with straight line and turning line, with one rail of the track to consist of a latch movable towards the relevant stock rail.
  • latch is the most important part of the switch.
  • switches and switch constructions There are flexed latches in switches and switch constructions.
  • the latch For arrangement of the above stated function it is necessary for the latch to have an appropriate geometrical shape.
  • the stress and intensity of wear and tear depend mainly on geometry, directional layout and speed of movement on the switch. That is why there appeared a solution, that is based on flexion of the stock rail in as many as 15 mm, which leads to strengthening of latch in incriminated area as well as to more fluent passage of the carriage through the switch / turn out with minimisation of side attacks of the latch by the flange.
  • the disadvantage of the solution is the necessity of use of different cross-ties respectively slide plates in the area of stock rail flexion and significant step extension of the pitch, which may be evaluated by the measuring carriage as a fault.
  • Another solution according to EP 1516091 is the solution considering finishing of the stock rail head.
  • the finishing is performed on the stock rail as from the beginning of the latch with the value of 0 mm and it increases up to the maximal value of stock rail finishing. At that point, the slope changes, i.e. there decreases the value of finishing of the stock rail head side up to the value of 0 mm.
  • the disadvantage is the sudden increase of finishing of the stock rail head side from 0 mm to maximal value and non-reaching of maximal value of the latch strengthening in a longer section in the field of increased stress of the latch tip.
  • the aim of the technical, solution is to reduce to the maximal possible extent the wear and tear of the switch and to reach on the maximal possible level for the real turn-off to theoretically approach even more the drive way and so as there occurs - compared to the known state of the art - further reduction of power effects of carriages and consequently prolongation of service life of the latch.
  • FIG. 1 top view of a part of the switch, where the latch abuts against the stock rail
  • Fig. 2 cross section in point A-A from Fig. 1 and Fig. 3 cross section according to Fig. 1 in point B-B
  • Fig. 4 cross section in point C-C according to Fig. 1 and Fig. 5 cross section in point D-D according to Fig. 1 .
  • the latch 4 and the stock rail 1 are a part of the half of the switch or switch construction.
  • the latch 4 may reach two positions. In case of the latch 4 to be in position abut against the stock rail 1 , the wheel of the non-shown carriage moving on the stock rail 1 , gradually enters the latch 4 and the load is passed from the stock rail 1 to the latch 4 and simultaneously, the carriage turns off. If the latch 4 goes off the stock rail 1 , a free space is developed between them and it is designed for passage of the wheel on the stock rail 1 to the opposite direction.
  • the contact surfaces of the tip 3 of the latch 4 and the stock rail 1 are machined / finished usually under some slope, but they may also be machined vertically in such a way that on the contact side 41 of the tip 3 of the latch 4 - in the area where maximal operation problems with pulling of the tip 3 of the latch 4 - the strengthening of the tip 3 of the latch 4 reaches the maximal value.
  • the area can be found in section L between sections B-B and C-C according to figure. 1 . So as to arrange an increase of width of the tip 3 of the latch 4 on its contact side 41, the machining of the stock rail 1 starts in the location of section A-A before beginning of the latch 4 . Between the sections A-A and B-B according to Fig.
  • the shape of the tip 3 of the latch 4 and the stock rail 1 is reached by machining in the field starting before the beginning of the tip 3 of the latch 4 so as to reach maximal prolongation of the area of gradual extension of pitch and consequently more fluent passage of the carriage through the switch.
  • the lengths of inlets L 1 and outlets L 2 must be designed in such a way so as to be gradual and allow fluent passage and o as they respect given geometry.
  • the proposed measured enlarge the area of the latch section and they increase the width of the latch in the field of maximal side load and wear and tear of the tip 3 of the latch 4 by the wheel outline.
  • L ⁇ 2 * R * c + c 2 ⁇ ⁇ 2 * R * b + b 2
  • L 4 ⁇ 2 * R * b + b 2
  • L 5 min . 2 10 mm
  • machining of the tip of the latch and the stock rail are considered in horizontal plane placed 14mm under the level of the highest point of non-machined latch and stock rail. On the inner side of the rail oriented away from the axis of the rail, the crossing is called "travelled edge”.
  • the technical solution is selected for the radius of the switch of 900 m.
  • the technical solution is selected for the radius of the switch of 300 m.
  • the beginning of the tip 3 of the latch 4 abuts against the stock rail 1 in recession 11 in the stock rail 1 , while in the point of contact of the beginning of tip 3 of the latch 4 with the stock rail 1 the depth of recession 11 in the stock rail 1 reaches 3,1 mm.
  • the above described adjustments of the stock rail 1 and tip 3 of the latch 4 arrange an increase of the surface of section of the tip 3 of the latch 4 and an increase of its width in the field where maximal load / stress occurs as well as wear and tear of the tip 3 of the latch 4 by the rolling outline.
  • the technical solution can be used in switches and switch constructions in the field of railway superstructure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Railway Tracks (AREA)
  • Seats For Vehicles (AREA)
  • Stringed Musical Instruments (AREA)
  • Push-Button Switches (AREA)
  • Electrophonic Musical Instruments (AREA)

Claims (5)

  1. Weiche mit einem geraden Gleis (2) und einem Zweiggleis (5), bei welchen eine Schiene jedes gegebenen Gleises von einer zur entsprechenden Backenschiene (1) beweglichen Zunge (4) der Weiche gebildet wird, jede Backenschiene (1) beinhaltet dabei eine Aussparung (11), wo die Tiefe der Aussparung (11) in der Backenschiene (1) sich bis zur Stelle des Anfangs der Maximalbelastung der Spitze (3) der Zunge (4) vergrößert, gekennzeichnet dadurch, dass die Tiefe der Aussparung (11) also im Abschnitt der Maximalbelastung der Spitze (3) der Zunge (4) konstant ist und ab dem Ende des Abschnittes der Maximalbelastung sich die Tiefe der Aussparung (11) reibungslos zum Nullwert verkleinert.
  2. Weiche nach Anspruch 1, gekennzeichnet dadurch, dass die Spitze (3) der Zunge (4) an die Backenschiene (1) in der Aussparung (11) in der Backenschiene (1) anliegt, wobei an der Kontaktstelle der Spitze (3) der Zunge (4) mit der Backenschiene (1) die Tiefe (x) der Aussparung (11) in der Backenschiene (1) grösser oder gleich dem Wert vom Verhältnis d = L5*a/(L3+L5) ist.
  3. Weiche nach Anspruch 1 und 2, gekennzeichnet dadurch, dass die Maximaltiefe der Aussparung (11) in der Backenschiene (1) im Bereich von 1-6 mm liegt.
  4. Weiche nach Anspruch 1 und 3, gekennzeichnet dadurch, dass ab dem Anfang der maximalen Tiefe der Aussparung (11) an sich die die Aussparung (11) überragende Breite der Spitze (3) der Zunge (4) von einem Wert von 2 mm bis zum Wert von 15 mm am Ende der konstanten Tiefe der Aussparung (11) in der Backenschiene (1) erhöht.
  5. Weiche nach einem der Ansprüche 1 bis 4, gekennzeichnet dadurch, dass der Anfang der Zunge (4) an die Backenschiene (1) anliegt, in Längenwerten, welche von den folgenden Verhältnissen definiert werden L = √ 2 * R * c + c 2 − √ 2 * R * b + b 2 , L 5 = min . 210 mm , L 4 = √ 2 * R * b + b 2
    Figure imgb0006
EP14734719.9A 2013-05-23 2014-05-21 Weiche mit gerader strecke und kurvenstrecke Revoked EP2999821B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ201327970U CZ25914U1 (cs) 2013-05-23 2013-05-23 Výhybka s prímou kolejí a odbocovací kolejí
PCT/CZ2014/000059 WO2014187437A1 (en) 2013-05-23 2014-05-21 Switch with straight line and turning line

Publications (2)

Publication Number Publication Date
EP2999821A1 EP2999821A1 (de) 2016-03-30
EP2999821B1 true EP2999821B1 (de) 2018-05-09

Family

ID=49289771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14734719.9A Revoked EP2999821B1 (de) 2013-05-23 2014-05-21 Weiche mit gerader strecke und kurvenstrecke

Country Status (6)

Country Link
EP (1) EP2999821B1 (de)
AU (1) AU2014270811B2 (de)
BR (1) BR112015028537A2 (de)
CZ (1) CZ25914U1 (de)
TR (1) TR201807051T4 (de)
WO (1) WO2014187437A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107700280B (zh) * 2017-09-19 2019-06-28 中铁第一勘察设计院集团有限公司 既有双线铁路线位重构方法
AT521322B1 (de) * 2018-06-12 2021-03-15 Voestalpine Weichensysteme Gmbh Backenschiene

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295573A1 (de) 1987-06-15 1988-12-21 BWG Butzbacher Weichenbau GmbH Anordnung zum kontrollierten Führen einer Radachse bzw. eines Drehgestells eines eine Weiche durchfahrenden Schienenfahrzeuges
WO2004003295A1 (de) 2002-06-27 2004-01-08 Vae Eisenbahnsysteme Gmbh Weiche mit verstärkter zungenschiene
CN202543735U (zh) 2012-03-02 2012-11-21 中国铁道科学研究院铁道建筑研究所 铁路道岔

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202055118U (zh) * 2010-12-24 2011-11-30 中铁宝桥集团有限公司 一种水平深藏耐磨型尖轨和基本轨结构
CN102162208A (zh) * 2011-01-21 2011-08-24 王平 高强度道岔转辙器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0295573A1 (de) 1987-06-15 1988-12-21 BWG Butzbacher Weichenbau GmbH Anordnung zum kontrollierten Führen einer Radachse bzw. eines Drehgestells eines eine Weiche durchfahrenden Schienenfahrzeuges
WO2004003295A1 (de) 2002-06-27 2004-01-08 Vae Eisenbahnsysteme Gmbh Weiche mit verstärkter zungenschiene
CN202543735U (zh) 2012-03-02 2012-11-21 中国铁道科学研究院铁道建筑研究所 铁路道岔

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Bahnanwendungen - Oberbau - Weichen und Kreuzungen ( Tell: Definition)", ÖNORM EN 13232-1, 1 January 2004 (2004-01-01), pages 1 - 6, XP055561047

Also Published As

Publication number Publication date
TR201807051T4 (tr) 2018-06-21
WO2014187437A1 (en) 2014-11-27
EP2999821A1 (de) 2016-03-30
CZ25914U1 (cs) 2013-10-01
AU2014270811A1 (en) 2015-12-03
BR112015028537A2 (pt) 2017-07-25
AU2014270811B2 (en) 2018-05-10

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