EP0851063B1 - Dispositif à galets pour aiguilleurs de chemins de fer - Google Patents

Dispositif à galets pour aiguilleurs de chemins de fer Download PDF

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Publication number
EP0851063B1
EP0851063B1 EP96830671A EP96830671A EP0851063B1 EP 0851063 B1 EP0851063 B1 EP 0851063B1 EP 96830671 A EP96830671 A EP 96830671A EP 96830671 A EP96830671 A EP 96830671A EP 0851063 B1 EP0851063 B1 EP 0851063B1
Authority
EP
European Patent Office
Prior art keywords
support
rollers
bearings
shims
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.)
Expired - Lifetime
Application number
EP96830671A
Other languages
German (de)
English (en)
Other versions
EP0851063A1 (fr
Inventor
Franco Marzetti
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PT96830671T priority Critical patent/PT851063E/pt
Priority to AT96830671T priority patent/ATE199416T1/de
Priority to EP96830671A priority patent/EP0851063B1/fr
Priority to DE69611923T priority patent/DE69611923T2/de
Priority to SI9630301T priority patent/SI0851063T1/xx
Priority to ES96830671T priority patent/ES2155595T3/es
Publication of EP0851063A1 publication Critical patent/EP0851063A1/fr
Application granted granted Critical
Publication of EP0851063B1 publication Critical patent/EP0851063B1/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
    • 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

  • This device is used effectively in the railway sector. It is used in the field of armament switches activated by control boxes fitted either to wooden or reinforced concrete beams.
  • a railway switch is composed of two parts: a crossover and a changeover.
  • the latter is composed of needles which are made from specially treated tracks which are thinned at one end so that the needle end can be hidden under the adjacent railheads, which are known as counterneedles.
  • These needles are mobile; in order to facilitate their movement, they are made to run across a series of steel bearings which are fitted to the switch's beams.
  • bearings require lubrication in order to reduce friction between the needle and the surface of the bearings.
  • This operation is carried out by railway personnel by applying thick oil or grease to the bearings on a weekly or fortnightly basis.
  • the Patent No. AT 375 697 B describes a roller device for railway switches.
  • This device mainly comprising a U-shaped metal support on which at least one stainless steel roller is placed. Some sliding plates are used as bearings. The upper surface of these plates is placed underneath the upper culmination of the roller and the foot of the needle is put on the roller itself.
  • the U-shaped support is located on two adjacent beams over a supporting elastic stainless steel plate.
  • Patent No. DE 10 56 641 B describes a similar roller device where under the support for the rollers are placed some elastic supports that can be adjusted in height.
  • the Patent No. DD 66 638 describes a third kind of roller device.
  • the roller device described on Patent No. AT 375 697 B is placed between two adjacent beams, while the roller device described on Patent No. DD 66 638 is fastened to a beam by elastic rods.
  • the purpose of the invention in question is creating a device - similar to the above-mentioned devices - capable of allowing the needles to run across the bearings without there having to be the need for regular bearing lubrication.
  • the device is composed of a U-shaped metal support in which one or more stainless steel rollers are placed.
  • the stainless steel rollers lie on axles.
  • the end parts of the axles are place d inside symmetrically drilled holes on either side of the U-shaped metal support.
  • the rollers rotate around a horizontal axis and are internally fitted with self-lubricating, plastic ferrules or with roller or ball bearings. These ferrules or bearings are mounted concentrically with the rollers.
  • the support has, in use, composed of a horizontal, quadrangular base and the aforementioned vertical sides.
  • the axles are fixed to these sides by means of a series of soldered points or by using any other rigid, but easily-removable, system.
  • the support is placed on a series of accessories, including a quadrangular supporting plate and shims consisting of small quadrangular metal plates. Holes have been drilled in the base, shims and supporting plate in order to allow screws to be fitted. These screws secure the support to the accessories, as well as securing the support to the beam.
  • This device is located and fastened in the clear space within the lateral edge of the switch's bearing and the lateral edge of the rail supporting beam. Therefore this device is utilisable also if in the space within the beams there are the control-manoeuvring pulleys or support bars of the control boxes.
  • Axle-blocking carried out by means of the aforementioned soldered points or any other easily-removable, rigid system allows worn axles and rollers to be removed easily and replaced with new ones; the support is therefore recyclable.
  • the device here described is composed basically of a U-shaped metal support 1 in which one, two or three stainless steel rollers 2 with a horizontal rotating axis are fitted.
  • the support 1 has, in use, a rectangular horizontal base 3 and two normal sides 4 to the base 3. On said sides 4 there are symmetrically drilled holes in which the end parts of one, two or three axles 5 are placed.
  • rollers 2 On said axles 5 rotate the rollers 2 internally fitted with ertalyte ferrules 6. These ferrules 6 are mounted concentrically with the aforementioned rollers 2.
  • the support 1 is placed on a quadrangular supporting plate 7; the height of the rollers 2 from the running surface of the bearings 8 is adjusted by placing between the supporting plate 7 and the base 3 of the support 1 a series of shims 9 consisting of quadrangular, metal plates, one-two mm in thickness.
  • Steel plate bearings 8 are provided on the upper surface of each beam 11 of the switch for slidingly supporting the mobile rail of the switch.
  • the support 1 is secured to the shims 9 and to the plate 7 by means of screws 10.1. All these components are then secured on the upper surface of a single rail supporting beam 11 by means of screws 10.2 so that the generator of the roller 2 is approximately two millimetres higher than the running plane of the bearing 8.
  • the purpose of adjusting the height of the rollers 2 by using shims 9 is allowing the support 1 and rollers 2 to be used, both according to the various pre-existing types of fittings and to the varying degrees of wear of the beam 11, before the device in question is installed. Furthermore, in the long run, this adjustment allows the inevitable wear of the system comprising the roller 2 - axle 5 - ferrule 6 to be compensated for.
  • the axles 5 are fixed to the sides 4 by means of a series of soldered points.
  • the aforementioned screws 10.1, 10.2 are placed in holes drilled in the base 3, in the shims 9 and supporting plate 7.
  • the holes used to secure the single-roller device to the rail supporting beam 11 and those used to secure the double-roller to the rail supporting beam 11 share the same interaxis; as a result, in both cases the supporting plate 7 and the shims 9 have the same width.
  • the support 1 and its accessories are placed next to the bearing 8 so that the sides of these components are in direct contact with one another. Once this has been carried out, the screw 10.2 - which allows the support 1 to be fixed to the beam 11 - will be placed in the vicinity of the shorter side of the base 3 and will prevent the support 1 from rotating.
  • the double or triple-roller device Given stroke of the needle 12 and the width of the flange of the needle 12 itself, the double or triple-roller device will be placed near the front bearings 8 of the railway switch. On the other hand near the rear end of the switch, the single or double-roller device will be used.
  • the following single or double-roller devices will be placed next to every four or five bearings 8, in other words every three/four metres.
  • the needle 12.2 - moved away from the counter-needle 13.2 - begins its stroke on the rollers 2 and is set on the bearings 8 when it is a few millimetres away from the counter-needle 13.2.
  • the support 1 can be re-cycled.
  • the axles 5 and rollers 2 are worn out, by removing the soldering points, the axles 5 and rollers 2 can be removed and replaced with new ones.
  • the above variations include the position of the means used to secure the device in question to the beam 11.
  • Figures 7, 8 and 9 show a triple-roller device which is secured to the beam 11 by means of headless screws 10.3 with a hexagon embedding and ferrules 14.
  • the ferrules 14 are fitted to the beam 11 in advance.
  • the holes, into which the screws 10.3 are fitted, are drilled in the base 3, plate 7 and shims 9.
  • the support 1 is also placed on the plate 7; height adjustments are made on the rollers 2 regarding the running plane of the bearings 8 by placing various metal quadrangular plate shims 9 between the supporting plate 7 and the base 3 of the support 1.
  • the support 1, shims 9 and plate 7 are secured to the beam 11 by means of the headless screws 10.3 with a hexagon embedding which enter the ferrules 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Push-Button Switches (AREA)
  • Bearings For Parts Moving Linearly (AREA)
  • Ropes Or Cables (AREA)
  • Railway Tracks (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Claims (2)

  1. Dispositif à galets pour aiguilleurs de chemins de fer, composé d'un support métallique en forme de U (1) contenant un ou plusieurs galets en acier inoxydable (2) - dont l'axe de rotation est horizontal - et des accessoires, y compris une plaque d'appui carrée (7) et un jeu de cales carrées en tôle métallique (9), ledit support (1) ayant, quand il est en service, une base horizontale carrée (3) dont les côtés (4) sont verticaux et donc perpendiculaires à la base (3); une série de trous symétriques est réalisée de part et d'autre du support (1); ces trous accueillent les extrémités d'un ou plusieurs pivots (5) fixés par des points de soudure ou par tout autre système rigide mais aisément amovible; lesdits galets (2) tournent autour des susdits pivots (5); ledit support (1) est fixé aux traverses du rail (11) par des vis (10.2, 10.3) enfilées dans les trous de la base (3) et logées directement dans les traverses (11) ou dans des manchons (14) spécialement prévus à cet effet dans les traverses (11); la plaque d'appui carrée (7) et les cales (9) ont, elles aussi, des trous pour les vis (10.1) permettant la fixation du support à la plaque et aux cales (9) et/ou pour les vis (10.2, 10.3) permettant la fixation du support (1) lui-même à la traverse (11); des roulements en tôle d'acier (8) sont prévus sur la face supérieure de chaque traverse (11) de l'aiguillage qui soutiennent son rail mobile et lui permettent de glisser; chaque support (1) est fixé à la face supérieure d'une traverse unique (11) et, à l'intérieur des galets (2), des manchons (6) réalisés en matière plastique autolubrifiante ou des roulements à billes ou à galets sont prévus; lesdits manchons (6) ou lesdits roulements sont installés afin qu'ils soient concentriques aux susdits galets (2); le support (1) et ses accessoires sont installés à proximité du roulement (8) afin que les plaques latérales du support (1) et celles du roulement (8) soient directement en contact ou très proches les unes des autres, en fonction de la position des vis (10.1, 10.2, 10.3) utilisées; ladite plaque d'appui (7) et les cales (9) ont la même largeur.
  2. Dispositif à galets pour aiguilleurs de chemins de fer, selon la revendication ci-dessus, caractérisé en ce que le support (1) doté de deux ou plusieurs galets (2) est installé à proximité des roulements (8) avant de l'aiguillage, tandis que le support (1) doté d'un ou deux galets (2) est utilisé pour les roulements arrière de l'aiguillage.
EP96830671A 1996-12-31 1996-12-31 Dispositif à galets pour aiguilleurs de chemins de fer Expired - Lifetime EP0851063B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PT96830671T PT851063E (pt) 1996-12-31 1996-12-31 Dispositivo com rolos para comutadores de agulha de via-ferrea
AT96830671T ATE199416T1 (de) 1996-12-31 1996-12-31 Walzenvorrichtung für eisenbahnweichen
EP96830671A EP0851063B1 (fr) 1996-12-31 1996-12-31 Dispositif à galets pour aiguilleurs de chemins de fer
DE69611923T DE69611923T2 (de) 1996-12-31 1996-12-31 Walzenvorrichtung für Eisenbahnweichen
SI9630301T SI0851063T1 (en) 1996-12-31 1996-12-31 Roller device for railway switches
ES96830671T ES2155595T3 (es) 1996-12-31 1996-12-31 Dispositivo de rodillos para cambio de agujas de ferrocarril.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96830671A EP0851063B1 (fr) 1996-12-31 1996-12-31 Dispositif à galets pour aiguilleurs de chemins de fer

Publications (2)

Publication Number Publication Date
EP0851063A1 EP0851063A1 (fr) 1998-07-01
EP0851063B1 true EP0851063B1 (fr) 2001-02-28

Family

ID=8226110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96830671A Expired - Lifetime EP0851063B1 (fr) 1996-12-31 1996-12-31 Dispositif à galets pour aiguilleurs de chemins de fer

Country Status (6)

Country Link
EP (1) EP0851063B1 (fr)
AT (1) ATE199416T1 (fr)
DE (1) DE69611923T2 (fr)
ES (1) ES2155595T3 (fr)
PT (1) PT851063E (fr)
SI (1) SI0851063T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10116041B4 (de) * 2001-03-30 2005-12-29 Heim, Armin W., Dipl.-Ing. Vorrichtung zum Umstellen von Weichenzungen
FR2899604A1 (fr) * 2006-04-06 2007-10-12 Vossloh Cogifer Sa Coussinet de guidage et de support d'aiguillage d'appareil de voie

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1056641B (de) * 1957-02-25 1959-05-06 Carl Dan Peddinghaus Kommandit Federnde, in der Hoehe einstellbare Rollenlagerung fuer Weichenzungen
AT375697B (de) * 1982-09-03 1984-08-27 Maurer Gerhard Rollenlagerung fuer weichenzungen

Also Published As

Publication number Publication date
ES2155595T3 (es) 2001-05-16
ATE199416T1 (de) 2001-03-15
PT851063E (pt) 2001-07-31
DE69611923T2 (de) 2001-08-23
SI0851063T1 (en) 2001-08-31
EP0851063A1 (fr) 1998-07-01
DE69611923D1 (de) 2001-04-05

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