EP0904457A1 - Lames d'aiguille - Google Patents

Lames d'aiguille

Info

Publication number
EP0904457A1
EP0904457A1 EP97927161A EP97927161A EP0904457A1 EP 0904457 A1 EP0904457 A1 EP 0904457A1 EP 97927161 A EP97927161 A EP 97927161A EP 97927161 A EP97927161 A EP 97927161A EP 0904457 A1 EP0904457 A1 EP 0904457A1
Authority
EP
European Patent Office
Prior art keywords
roller
tongue
rollers
sliding
switch
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.)
Granted
Application number
EP97927161A
Other languages
German (de)
English (en)
Other versions
EP0904457B1 (fr
Inventor
Armin Heim
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.)
Schwihag Gesellschaft fuer Eisenbahnoberbau mbH
Schwihag GmbH
Original Assignee
Schwihag Gesellschaft fuer Eisenbahnoberbau mbH
Schwihag GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7796630&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0904457(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Schwihag Gesellschaft fuer Eisenbahnoberbau mbH, Schwihag GmbH filed Critical Schwihag Gesellschaft fuer Eisenbahnoberbau mbH
Publication of EP0904457A1 publication Critical patent/EP0904457A1/fr
Application granted granted Critical
Publication of EP0904457B1 publication Critical patent/EP0904457B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00—Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/04—Nature of the support or bearing
    • E01B2202/044—Rolling
    • E01B2202/046—Rolling with rolls on fixed part

Definitions

  • the invention relates to a device for switching switch tongues, the tongue tip of which rests on a roller plane of a sliding chair plate.
  • the tongues slide with their movable, i.e. horizontally swiveling areas on sliding surfaces of the sliding chair.
  • the sliding surfaces must be lubricated at certain intervals to achieve low changeover forces in order to maintain the functionality of the changeover of the tongues.
  • the grease often resinifies relatively quickly and dries out, so that the switch tongue is difficult or impossible to change. If the tongue device can no longer be moved, the operation must be interrupted until this fault - usually by lubrication - has been eliminated.
  • the grease from the rainwater is often washed into the ballast bed under the tracks and from there into the groundwater, where it leads to pollution of the drinking water, which is ecologically unacceptable.
  • roller bearings are usually used that have one or more rollers.
  • the roller bearings are either clamped in a sleeper compartment on a stock rail foot or integrated in a sliding chair plate, which is attached to a sleeper ceiling.
  • the rollers themselves can then be rigid or resilient, for example in a mounting frame.
  • the rigidly mounted rollers are usually 1 to 2 mm above the sliding surfaces of the sliding chairs with their support plane for the tongue foot contact surface.
  • the correct height of the rollers is achieved depending on the position of the rollers in the tongue device by inserting metal sheets either between the stock rail foot and the fastening area of the roller bearings or the threshold ceiling and a base frame, so that all rollers can be used almost.
  • the sliding surfaces cannot be lubricated there. You will therefore e.g. provided with molybdenum or similar coating materials. If this coating is corroded or rubbed off, the sliding surfaces designed as complete plates must be replaced, which is associated with high costs.
  • the switch tongue In the case of the spring-loaded castors, the switch tongue not only lies on it when it is switched over, but also while it is being driven on. This has the major disadvantage that there is a smaller or larger air gap between the sliding surface and the raised tongue, which can be up to 5 mm. When driving there is therefore a corresponding impact of the tongue foot on the sliding surface of the sliding chair due to the more or less depending on the speed of kinematic forces, so that this is damaged by plastic deformation. This plastic deformation of the sliding surface of the track chairs often leads to tongue breaks.
  • the invention has for its object a generic switch tongue switch without the disadvantages mentioned to create, which is easier to change in particular.
  • the front roller of the pair of rollers is arranged lower than the rear roller.
  • the front roller - which is to be understood as the roller on which the switch tongue first comes into contact when it is adjusted horizontally - is mounted in such a way that its roller crown is only slightly above the sliding surface of the sliding chair.
  • this enables the tongue base to slide easily onto the front roller, and on the other side, the horizontal force acting on the front roller when the tongue base is lifted is reduced by approx. 50% compared to known rollers of the same height.
  • the front roller encourages the tongue base to slide gently onto the higher rear roller. A slight, largely stepless sliding of the tongue foot onto the rollers is further improved in that the area of the tongue foot which is closest to the front roller is chamfered.
  • a further embodiment of the invention provides that a roller is also arranged in the region of the tongue root, the tongue root roller according to the invention having a height difference from the front pair of rollers.
  • This makes it possible to reduce deflection of the switch tongue - which, like a cubic parabola, bends vertically between the tip of the tongue and the root of the tongue, so that no vertical distances from the sliding surface to the tongue base are possible.
  • the less deflection of the tongue prevents the tongue root from resting on the sliding surfaces in the area of its clamping point.
  • a preferred embodiment of the invention provides that at least one roller with eccentric roller axle bearings is mounted, in any case the front roller of the pair of rollers in order to facilitate the sliding onto the second, rear roller lower position of the front roller.
  • the eccentric roller axle bearing which is achieved due to an eccentric axle, the roller can be easily and continuously adjusted in height and locked in the set position.
  • roller assigned to the tongue root also preferably has an eccentric roller axle bearing, it is possible to raise the tongue root only by a fraction of a millimeter, so that it does not rest on sliding surfaces in the clamping area of the tongue root.
  • Roller axle bearing on a stop limits the highest and lowest stroke end positions of the castors by resting on the corresponding stop surfaces of the sliding chair or the fixing frame.
  • rollers are arranged in a linearly movable fixing frame.
  • the sliding frame integrated into the sliding chair makes it possible to push the front roller as close as possible to the base of the tongue when adjusting the pair of rollers, so that when the tongue is moved, the rolling movement starts as early as possible.
  • Figure 1 is a top rail clamping plate of a switch with a track chair for a switch tongue, a clamp bracket and two rollers arranged in an adjustable fixing frame, shown in plan view.
  • FIG. 2 the stock rail tensioning plate according to FIG. 1 with a stock rail braced therein and one of these adjacent switch tongue, shown schematically from the side
  • Fig. 5 as a detail, the roller bearing of the first of the front rollers seen from the side opposite the setting side, shown schematically.
  • a stock rail bracing plate 1 is shown, which on a - e.g. made of wood or as in the exemplary embodiment made of concrete - switch threshold 2 is mounted.
  • the fixing frame 8 is arranged in a linearly movable manner on a sliding chair plate 9. To adjust the fixing frame 8, the screws 10 must be loosened.
  • FIG. 2 shows the stock rail tensioning plate 1 according to FIG. 1 with a stock rail 11 braced therein.
  • a switch tongue 12 lies on the stock rail 11 with its tongue tip 13.
  • the switch tongue 12 rests with its tongue base 14 on the sliding chair 4.
  • the pair of rollers 6 is moved so far in the direction of the tongue base 14 by an adjustment of the fixing frame 7 that the front roller 7a rests almost on the tongue base 14, so that when the switch tongue 12 is moved a rolling one Start moving as early as possible. If the front roller 7a - in contrast to the setting of the rollers 7a and 7b shown in FIG. 2 - is set lower than the rear roller by means of an eccentric axis 15 shown in FIG.
  • the tongue base 14 can slide easily and almost steplessly onto the front roller 7a and further gently onto the higher rear roller 7b. This effect is achieved or promoted - even with rollers of the same height - even if this affects the rollers 7a, 7b facing tongue foot end is provided with a chamfer 22 (Fig. 2).
  • the roller 7a is shown in different height settings; 3a shows the lowest position (starting position), FIG. 3b the middle position and FIG. 3c the highest position. Both the represented positions of the roller 7a and the possible intermediate positions are indicated to an operator by a position marker 17 arranged on the setting side 16 of the eccentric axis 15.
  • the highest and lowest position of the roller 7a is limited by a stop 18 (see FIGS. 1 and 5) which is arranged on the side 19 of the eccentric axis 15 opposite the setting side 16 and which is assigned to the stop surfaces 20 on the fixing frame 8 (cf. Fig. 5).
  • the eccentric axis 15 is formed on its setting side 16 with a hexagon socket 21, into which an Allen key, not shown here, can be inserted for rotating the eccentric axis 15 (cf. FIG. 4).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)
  • Seats For Vehicles (AREA)
  • Rolling Contact Bearings (AREA)
  • Testing Of Balance (AREA)
  • Sewing Machines And Sewing (AREA)
  • Chairs Characterized By Structure (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

L'invention concerne un système pour commuter des lames d'aiguille dont la pointe repose sur le plan des rouleaux d'un coussinet de glissement. La commutation des lames d'aiguille est facilitée, si le rouleau avant (7a) de la paire de rouleaux (6) est placé à un niveau inférieur à celui du rouleau arrière (7b).
EP97927161A 1996-06-11 1997-06-10 Lames d'aiguille Expired - Lifetime EP0904457B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19623269A DE19623269A1 (de) 1996-06-11 1996-06-11 Weichenzungen
DE19623269 1996-06-11
PCT/EP1997/003000 WO1997047811A1 (fr) 1996-06-11 1997-06-10 Lames d'aiguille

Publications (2)

Publication Number Publication Date
EP0904457A1 true EP0904457A1 (fr) 1999-03-31
EP0904457B1 EP0904457B1 (fr) 2002-04-24

Family

ID=7796630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97927161A Expired - Lifetime EP0904457B1 (fr) 1996-06-11 1997-06-10 Lames d'aiguille

Country Status (17)

Country Link
US (1) US6464177B1 (fr)
EP (1) EP0904457B1 (fr)
JP (1) JP3587531B2 (fr)
CN (1) CN1222212A (fr)
AR (1) AR007783A1 (fr)
AT (1) ATE216745T1 (fr)
AU (1) AU716444B2 (fr)
BR (1) BR9709776A (fr)
CA (1) CA2257927C (fr)
CZ (1) CZ293602B6 (fr)
DE (2) DE19623269A1 (fr)
DK (1) DK0904457T3 (fr)
ES (1) ES2176747T3 (fr)
PT (1) PT904457E (fr)
RU (1) RU2265687C2 (fr)
WO (1) WO1997047811A1 (fr)
ZA (1) ZA975055B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005017258A1 (fr) * 2003-08-15 2005-02-24 Bwg Gmbh & Co. Kg Dispositif pour changer une lame d'aiguille en contre-aiguille

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20010028U1 (it) * 2001-03-27 2002-09-27 Siliani Harmon S P A Cassa di manovra per scambi
DE10116041B4 (de) 2001-03-30 2005-12-29 Heim, Armin W., Dipl.-Ing. Vorrichtung zum Umstellen von Weichenzungen
DE10313957A1 (de) * 2002-06-27 2004-01-22 Bwg Gmbh & Co. Kg Verfahren zum Beschichten einer Fläche eines Gleisbauteils sowie Gleisbauteil
DE10229566A1 (de) * 2002-07-01 2004-01-29 Schreck-Mieves Gmbh Rollvorrichtung für Weichenzungen
DE102004004784B4 (de) * 2004-01-30 2007-05-10 Cdp Bharat Forge Gmbh Vorrichtung zum Verschieben einer Zungenschiene
US20050178929A1 (en) * 2004-02-17 2005-08-18 General Electric Company Switch machine with improved switch point connectors
DE102004040176C5 (de) * 2004-08-18 2011-01-13 Deutsche Bahn Ag Vorrichtung zur Befestigung einer Backenschiene auf einer gleisinneren Seite einer Zungenvorrichtung einer Weiche
AT9061U1 (de) * 2006-02-14 2007-04-15 Vae Gmbh Vorrichtung zum anheben einer zungenschiene
DE102007038653B4 (de) * 2006-10-13 2017-01-05 Schwihag Ag Vorrichtung zum Umstellen von Weichenzungen
DE102008060229A1 (de) * 2008-01-03 2009-07-09 Schwihag Ag Umstellvorrichtung in Eisenbahnweichen
CZ2008256A3 (cs) * 2008-04-24 2009-12-30 AŽD Praha s.r.o. Válecková stolicka výmen
FR2979113B1 (fr) * 2011-08-18 2013-08-16 Vossloh Cogifer Dispositif de positionnement de rouleaux pour systeme d'assistance a la manoeuvre
US8684317B2 (en) * 2011-09-30 2014-04-01 Jim Arnold Railroad switch point roller mechanism
US8430364B1 (en) * 2011-11-29 2013-04-30 Eco-Production Vresova Spol. S R O Roller assembly for a railway switch
DE102014212074B4 (de) * 2014-06-24 2018-08-16 Cdp Bharat Forge Gmbh Vorrichtung zum Unterstützen einer Zungenschiene einer Weiche
DE102014218125B3 (de) * 2014-09-10 2015-12-31 Schwihag Ag Rollvorrichtung zum Umstellen einer Weichenzunge
US10239500B2 (en) * 2016-12-29 2019-03-26 Barry LaCroix Rail wheel cleaning system
DE102017205326B3 (de) 2017-03-29 2018-08-16 Bharat Forge CDP GmbH Höhenverstellbare Rollvorrichtung für eine Zungenschiene
RU2673124C1 (ru) * 2017-12-19 2018-11-22 Экослайд с.р.о. Регулируемое роликовое устройство для стрелочных остряков
JP7349721B2 (ja) * 2019-11-14 2023-09-25 鉄道機器株式会社 床板
CN111874414A (zh) * 2020-07-16 2020-11-03 赵雨涛 一种环保监测用水质监测设备综合箱
RU2765522C1 (ru) * 2021-03-05 2022-01-31 Федеральное государственное бюджетное образовательное учреждение высшего образования Иркутский государственный университет путей сообщения (ФГБОУ ВО ИрГУПС) Устройство для передвижения остряка стрелочного перевода
CN113774728A (zh) * 2021-09-14 2021-12-10 中铁宝桥集团有限公司 偏心式可调高道岔辊轮装置
US12359377B1 (en) 2024-04-10 2025-07-15 voestalpine Railway Systems Nortrak LLC Switch point roller assembly

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Publication number Priority date Publication date Assignee Title
US224157A (en) * 1880-02-03 Railroad-switch
DE23231C (de) * H. BÜSSING in Braunschweig Vorrichtung zur Verminderung des Bewegungswiderstandes bei Weichenzungen
JPS59223609A (ja) * 1983-05-23 1984-12-15 ハリ−・メイジヤ− 品物を搬送するためのロ−ラコンベヤ
DE4041264A1 (de) * 1990-12-21 1992-06-25 Peddinghaus Carl Dan Gmbh Vorrichtung zum anheben der zungenschiene einer weiche
US5390881A (en) * 1992-07-22 1995-02-21 Bwg Butzbacher Weichenbau Gmbh Roller assembly for a switch tongue used with a stock rail
CZ279264B6 (cs) * 1993-05-25 1995-03-15 Pavel Ing. Vršecký Skluz kolejových výměn
DE4405115A1 (de) * 1994-02-17 1995-08-24 Butzbacher Weichenbau Gmbh Rolleneinrichtung
US5482231A (en) * 1994-06-07 1996-01-09 Double T Railroad Products Rail switch point assist apparatus
DE4434143C1 (de) * 1994-09-24 1996-02-15 Krupp Ag Hoesch Krupp Rollvorrichtung zum Tragen der Zunge einer Weiche an einem Gleitstuhl
US5582371A (en) * 1995-08-21 1996-12-10 Humphrey; John Rail flange securement clamp
BR7900846U (pt) * 1999-05-14 2001-01-16 Vale Do Rio Doce Co Mecanismo com roletes para deslocamentos de lanças

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9747811A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005017258A1 (fr) * 2003-08-15 2005-02-24 Bwg Gmbh & Co. Kg Dispositif pour changer une lame d'aiguille en contre-aiguille

Also Published As

Publication number Publication date
US6464177B1 (en) 2002-10-15
DE19623269A1 (de) 1997-12-18
RU2265687C2 (ru) 2005-12-10
WO1997047811A1 (fr) 1997-12-18
CZ293602B6 (cs) 2004-06-16
ZA975055B (en) 1998-01-16
AU716444B2 (en) 2000-02-24
DE59707109D1 (de) 2002-05-29
CN1222212A (zh) 1999-07-07
PT904457E (pt) 2002-09-30
ES2176747T3 (es) 2002-12-01
EP0904457B1 (fr) 2002-04-24
DK0904457T3 (da) 2002-08-12
JP2000511979A (ja) 2000-09-12
AR007783A1 (es) 1999-11-24
CA2257927C (fr) 2007-01-02
JP3587531B2 (ja) 2004-11-10
CA2257927A1 (fr) 1997-12-18
BR9709776A (pt) 2000-01-11
CZ405298A3 (cs) 2000-01-12
ATE216745T1 (de) 2002-05-15
AU3174597A (en) 1998-01-07

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