EP0515708A1 - Switch for grooved rails - Google Patents

Switch for grooved rails Download PDF

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Publication number
EP0515708A1
EP0515708A1 EP19910108511 EP91108511A EP0515708A1 EP 0515708 A1 EP0515708 A1 EP 0515708A1 EP 19910108511 EP19910108511 EP 19910108511 EP 91108511 A EP91108511 A EP 91108511A EP 0515708 A1 EP0515708 A1 EP 0515708A1
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EP
European Patent Office
Prior art keywords
needle
rail
switch
profiled
rut
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
EP19910108511
Other languages
German (de)
French (fr)
Other versions
EP0515708B1 (en
Inventor
Jean-Pierre Allegrucci
Charles Risch
Original Assignee
Kihn Sarl
KIHN
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 Kihn Sarl, KIHN filed Critical Kihn Sarl
Priority to EP19910108511 priority Critical patent/EP0515708B1/en
Publication of EP0515708A1 publication Critical patent/EP0515708A1/en
Application granted granted Critical
Publication of EP0515708B1 publication Critical patent/EP0515708B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00Switches; Crossings
    • E01B7/02Tongues; Associated constructions
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00Switches; Crossings
    • E01B7/02Tongues; Associated constructions
    • E01B7/06Constructions with flexible tongues or flexible fishplates
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/02Nature of the movement
    • E01B2202/025Pure translation
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2202/00Characteristics of moving parts of rail systems, e.g. switches, special frogs, tongues
    • E01B2202/04Nature of the support or bearing
    • E01B2202/042Sliding

Abstract

The switch consists of a profiled cradle forming the housing for a moveable deviation switch rail (18) and of a shaped body (20) made by machining by cutting. In order to reduce the machining waste and improve the reliability of the switch rail operation, the body (20) is bolted between a stock-rail (22) and an opposite rail (24), both being without their adjacent foot over the whole length of the body (20), and the upper surface of the body (20) supporting the moveable part of the switch rail (18) is profiled in such a way as to present flat bearings (28) for supporting the switch rail (18) alternating with notches (30) machined in the body (20). <IMAGE>

Description

  • La présente invention concerne un aiguillage pour rails à gorge ou ornière de trafic ferroviaire, constitué par un berceau profilé formant le logement d'une aiguille mobile de déviation, ainsi que les surfaces de roulement et de guidage et permettant la manoeuvre de l'aiguille, le berceau étant constitué par un corps profilé réalisé par usinage par enlèvement de copeaux.The present invention relates to a switch for grooved rails or rut for rail traffic, constituted by a profiled cradle forming the housing of a movable deflection needle, as well as the rolling and guide surfaces and allowing the operation of the needle, the cradle being constituted by a profiled body produced by machining by removing chips.
  • L'invention vise plus particulièrement, sans y être limitée, des aiguillages pour les voies ferrées de transports urbains ou d'installations portuaires, dont les rails sont noyés dans le revêtement du réseau routier.The invention relates more particularly, without being limited thereto, to switches for urban transport or port facility railways, the rails of which are embedded in the surface of the road network.
  • Ces aiguillages étaient, jusqu'à présent, généralement réalisés par un assemblage de divers composants, de qualité et de forme différentes, fabriqués sur mesure, soit par moulage, soit par usinage et assemblés manuellement, le plus souvent par soudure.These switches were, until now, generally produced by an assembly of various components, of different quality and shape, custom-made, either by molding or by machining and assembled manually, most often by welding.
  • Le brevet LU-87 503 propose un nouveau procédé de fabrication d'aiguillages du type décrit ci-dessus, qui est entièrement réalisé par usinage exclusivement par enlèvement de copeaux. Ce procédé de fabrication d'aiguillage présente de nombreux avantages, parmi lesquels celui de pouvoir être réalisé automatiquement sous commande programmée, de pouvoir se priver des soudures et de ne pas devoir, soit disposer d'un stock important de pièces détachées, soit d'être tributaire de la fourniture de ces pièces.Patent LU-87 503 proposes a new method for manufacturing switches of the type described above, which is entirely carried out by machining exclusively by removing chips. This switch manufacturing process has many advantages, including that of being able to be carried out automatically under programmed control, of being able to deprive oneself of welds and of not having either to have a large stock of spare parts, or to be dependent on the supply of these parts.
  • Pour réduire le temps et les déchets d'usinage, le brevet LU-87 721 propose de conserver le rail contre-aiguille et de l'associer, après enlèvement de la partie intérieure de son pieds, par boulonnage au corps usiné.To reduce time and machining waste, patent LU-87,721 proposes to keep the needle rail and to associate it, after removal of the inner part of its feet, by bolting to the machined body.
  • Le but de la présente invention est de prévoir un aiguillage perfectionné, semi-assemblé et semi-usiné, dans lequel les pièces non-usinées sont des pièces standard et qui permet une manoeuvre plus fiable de l'aiguille.The object of the present invention is to provide an improved switch, semi-assembled and semi-machined, in which the non-machined parts are standard parts and which allows more reliable operation of the needle.
  • Pour atteindre cet objectif, l'invention propose un aiguillage du genre décrit dans le préambule, qui est essentiellement caractérisé en ce que le corps est boulonné entre un rail contre-aiguille et un rail opposé, tous les deux dépourvus de leur pied adjacent sur toute la longueur du corps, en ce que le rail contre-aiguille est dépourvu de son ornière sur la longueur de mobilité de l'aiguille et en ce que la surface supérieure du corps supportant la partie mobile de l'aiguille est profilée de manière à présenter des paliers plats de support de l'aiguille alternant avec des encoches usinées dans le corps.To achieve this objective, the invention provides a switch of the kind described in the preamble, which is essentially characterized in that the body is bolted between a counter-needle rail and an opposite rail, both of which do not have their feet adjacent to each other. the length of the body, in that the counter-needle rail is devoid of its rut on the mobility length of the needle and in that the upper surface of the body supporting the movable part of the needle is profiled so as to present flat needle support bearings alternating with notches machined in the body.
  • Les pièces les plus vulnérables par l'usure sont le rail contre-aiguille et le rail opposé. Etant donné que ces pièces sont des pièces standard, elles sont toujours disponibles et peuvent être remplacées individuellement après usure, vu qu'elles sont assemblées par boulonnage, au corps usiné. Un tel assemblage permet également une meilleure compensation des tolérances d'usinage. Comparé à l'aiguillage monobloc usiné, l'aiguillage proposé par la présente invention permet, en outre, de réduire le temps et les déchets d'usinage.The parts most vulnerable to wear are the needle rail and the opposite rail. Since these parts are standard parts, they are always available and can be replaced individually after wear, as they are assembled by bolting, to the machined body. Such an assembly also allows better compensation for machining tolerances. Compared with the machined monobloc switch, the switch proposed by the present invention also makes it possible to reduce the time and the machining waste.
  • Les risques que la manoeuvre de l'aiguille soit entravée par des corps étrangers, par exemple des pierres, sont réduits grâce à la conception particulière du corps usiné, étant donné que ces corps étrangers peuvent s'accumuler au fond des encoches, où ils ne gênent pas la manoeuvre de l'aiguille.The risks that the operation of the needle is hampered by foreign bodies, for example stones, are reduced thanks to the special design of the machined body, since these foreign bodies can accumulate at the bottom of the notches, where they do not do not interfere with the operation of the needle.
  • D'autres particularités et caractéristiques de l'invention ressortiront de la description détaillée d'un mode de réalisation avantageux, présenté ci-dessous, à titre d'illustration, en référence aux figures annexées dans lesquelles:
    • la figure 1 montre une vue schématique, en plan, d'un aiguillage;
    • les figures 2 à 6 montrent des sections transversales suivant les plans de coupe sur la figure 1 définie respectivement par A, B, C, D et E et la figure 7 montre une vue en perspective de la partie du corps usiné supportant la partie mobile de l'aiguille.
    Other particularities and characteristics of the invention will emerge from the detailed description of an advantageous embodiment, presented below, by way of illustration, with reference to the appended figures in which:
    • Figure 1 shows a schematic plan view of a switch;
    • Figures 2 to 6 show cross sections along the section planes in Figure 1 defined respectively by A, B, C, D and E and FIG. 7 shows a perspective view of the part of the machined body supporting the movable part of the needle.
  • La figure 1 montre une paire de rails 10, 12 qui sont prolongés par un aiguillage 14 destiné à guider un convoi, soit sur la paire de rails 10a, 12a, soit sur la paire de rails 10b, 12b. L'aiguillage fonctionne de manière classique, seul son procédé de fabrication et, par voie de conséquence, le profil des pièces utilisées se distinguent de l'état de la technique. Ceci est illustré par les différentes sections selon les figures 2 à 6.Figure 1 shows a pair of rails 10, 12 which are extended by a switch 14 for guiding a convoy, either on the pair of rails 10a, 12a, or on the pair of rails 10b, 12b. The switch works in a conventional manner, only its manufacturing process and, consequently, the profile of the parts used are distinguished from the state of the art. This is illustrated by the different sections according to Figures 2 to 6.
  • La figure 2 montre une coupe transversale de l'aiguillage au niveau de la pointe d'une aiguille 18. Le logement de l'aiguille 18 est délimité par un corps 20 supportant l'aiguille 18 un rail contre-aiguille 22 et un rail opposé 24 qui sont démunis de la partie intérieure de leur pied et qui sont boulonnés au corps 20 à l'aide de boulons 26 comme représentés sur la figure 3.Figure 2 shows a cross section of the switch at the point of a needle 18. The housing of the needle 18 is delimited by a body 20 supporting the needle 18 a needle rail 22 and an opposite rail 24 which are deprived of the inner part of their foot and which are bolted to the body 20 by means of bolts 26 as shown in FIG. 3.
  • Le corps 20 est réalisé par usinage, de préférence, par fraisage automatique sous commande programmée. Selon l'une des particularités de la présente invention, la partie du corps 20 supportant la partie mobile de l'aiguille 18 se présente, comme le montre la figure 7, sous la forme d'une succession de paliers 28 et d'encoches 30 séparant les paliers 28. Chaque palier 28 comporte une perforation 32 permettant le passage des boulons 26. Le but de ces encoches 30 est de récupérer les corps étrangers, tels que pierres et gravillons, ou autres, qui, sans la présence des encoches pourraient entraver le bon fonctionnement de l'aiguille 18. Pour que l'effet soit idéal, la surface des encoches 30 est, de préférence, supérieure à la surface des paliers 28. Bien entendu, les saletés pouvant s'accumuler dans les encoches 30 doivent être enlevés par un nettoyage régulier. A cet effet, le corps 20 comporte un canal usiné longitudinal 34 permettant l'écoulement des eaux de nettoyage et des eaux de pluie.The body 20 is produced by machining, preferably by automatic milling under programmed control. According to one of the features of the present invention, the part of the body 20 supporting the movable part of the needle 18 is, as shown in FIG. 7, in the form of a succession of bearings 28 and notches 30 separating the bearings 28. Each bearing 28 has a perforation 32 allowing the passage of the bolts 26. The purpose of these notches 30 is to recover foreign bodies, such as stones and gravel, or the like, which, without the presence of the notches could hinder the proper functioning of the needle 18. For the effect to be ideal, the surface of the notches 30 is preferably greater than the surface of the bearings 28. Of course, the dirt which can accumulate in the notches 30 must be removed by regular cleaning. To this end, the body 20 comprises a longitudinal machined channel 34 allowing the flow of cleaning water and rain water.
  • Le rail contre-aiguille 22 peut être formé par le rail 10, 10a ou le rail 12, 12b de la voie existante ou par un rail à ornière soudé à ces derniers. Sur la longueur de la mobilité de l'aiguille 18 le rail contre-aiguille 22 doit être démuni de son ornière pour permettre le fonctionnement de l'aiguillage. Au-delà de la zone d'activité de l'aiguille 18 le rail contre-aiguille 22 doit, bien entendu, disposer de son ornière 36 comme représentée sur la figure 4 et suivantes.The needle rail 22 can be formed by rail 10, 10a or rail 12, 12b of the existing track or by a rut rail welded to the latter. Over the length of the mobility of the needle 18 the needle rail 22 must be deprived of its rut to allow the operation of the switch. Beyond the area of activity of the needle 18 the needle rail 22 must, of course, have its rut 36 as shown in Figure 4 and following.
  • Quoique non obligatoire, mais souhaitable, ne fut-ce que pour faciliter l'accès au boulon 26, le rail 24 peut également être démuni de son ornière sur toute la longueur de l'aiguillage. Comme représenté sur les figures, les deux rails 22 et 24 conservent, sur toute la longueur, la partie extérieure de leur pied, ce qui contribue à une meilleure symétrie et à l'intégration d'éléments standards.Although not compulsory, but desirable, if only to facilitate access to the bolt 26, the rail 24 can also be stripped of its rut over the entire length of the switch. As shown in the figures, the two rails 22 and 24 retain, over the entire length, the outer part of their foot, which contributes to better symmetry and the integration of standard elements.
  • La référence 44 désigne une résistance électrique de chauffage. Celle-ci est maintenue en place par des rondelles profilées 38 associées aux boulons de fixation 26. Au niveau de la figure 2 les deux rails 22 et 24, ainsi que l'aiguille 18 sont percés horizontalement pour permettre la mise en place des moyens de manoeuvre, non montrés, de l'aiguille 18.Reference 44 designates an electrical heating resistance. The latter is held in place by profiled washers 38 associated with the fixing bolts 26. In FIG. 2, the two rails 22 and 24, as well as the needle 18, are drilled horizontally to allow the installation of the means of maneuvering, not shown, of the needle 18.
  • L'invention permet donc de réduire une partie non négligeable de l'usinage nécessaire à la fabrication d'un rail monobloc, en profitant de l'existence du rail contre-aiguille 22 et du rail opposé 24. Ces deux rails sont des profilés standard desquels il suffit d'enlever, par usinage, la partie intérieure du pied et de l'ornière. Ces deux pièces peuvent également être remplacées individuellement et séparément, ce qui est d'autant plus avantageux qu'il s'agit des pièces les plus vulnérables par l'usure.The invention therefore makes it possible to reduce a non-negligible part of the machining necessary for the manufacture of a one-piece rail, by taking advantage of the existence of the counter-needle rail 22 and the opposite rail 24. These two rails are standard profiles. from which it suffices to remove, by machining, the interior part of the foot and the rut. These two parts can also be replaced individually and separately, which is all the more advantageous since they are the parts most vulnerable to wear.
  • Les figures 4, 5 et 6 montrent des sections à travers la partie postérieure de l'aiguillage où le corps usiné 20 présente une arête 20a s'élargissant progressivement et s'élevant jusqu'au niveau supérieur de l'aiguillage. Cette arête 20a assure la séparation entre le rail contre-aiguille 22 et l'aiguille 18.Figures 4, 5 and 6 show sections through the rear part of the switch where the machined body 20 has an edge 20a widening gradually and rising to the upper level of the switch. This edge 20a ensures the separation between the needle rail 22 and the needle 18.
  • Dans le mode de réalisation représenté, le talon de l'aiguille 18 est fixé dans le corps 20 à l'aide d'une clavette 40. Celle-ci est, à son tour, calée à l'aide d'un boulon 42 ancré dans le corps 20. Pour permettre le serrage du boulon 42, la tête du rail 24 est enlevée à cet endroit (voir figure 4).In the embodiment shown, the heel of the needle 18 is fixed in the body 20 using a key 40. This is, in turn, wedged using a bolt 42 anchored in the body 20. To allow the bolt 42 to be tightened, the head of the rail 24 is removed there (see FIG. 4).
  • La figure 6 représente une section au niveau de la fin de l'aiguillage à l'endroit de la jonction entre l'aiguille 18 et le rail 10b.Figure 6 shows a section at the end of the switch at the junction between the needle 18 and the rail 10b.
  • Comme dans les aiguillages connus, il est possible de soumettre le corps 20, après son usinage, à un traitement thermique, ou de trempe localisée pour réaliser un durcissement superficiel des parties les plus exposées aux sollicitations. Il est également possible d'effectuer des rechargements superficiels par soudure pour augmenter localement la résistance.As in the known switches, it is possible to subject the body 20, after its machining, to a heat treatment, or to localized quenching to achieve a surface hardening of the parts most exposed to the stresses. It is also possible to perform surface reloading by welding to locally increase the resistance.

Claims (3)

  1. Aiguillage pour rails à gorge ou ornière de trafic ferroviaire, constitué par un berceau profilé formant le logement d'une aiguille mobile (18) de déviation, ainsi que les surfaces de roulement et de guidage et permettant la manoeuvre de l'aiguille, le berceau étant constitué par un corps profilé (20) réalisé par usinage par enlèvement de copeaux, caractérisé en ce que le corps (20) est boulonné entre un rail contre-aiguille (22) et un rail opposé (24), tous les deux dépourvus de leur pied adjacent sur toute la longueur du corps (20), en ce que le rail contre-aiguille (22) est dépourvu de son ornière (36) sur la longueur de mobilité de l'aiguille (18) et en ce que la surface supérieure du corps (20) supportant la partie mobile de l'aiguille (18) est profilée de manière à présenter des paliers plats (28) de support de l'aiguille (18) alternant avec des encoches (30) usinées dans le corps (20).Switch for grooved rails or rut for rail traffic, consisting of a profiled cradle forming the housing of a movable needle (18) for deflection, as well as the rolling and guiding surfaces and allowing the operation of the needle, the cradle being constituted by a profiled body (20) produced by machining by chip removal, characterized in that the body (20) is bolted between a counter-needle rail (22) and an opposite rail (24), both devoid of their foot adjacent over the entire length of the body (20), in that the needle rail (22) is devoid of its rut (36) over the mobility length of the needle (18) and in that the surface upper part of the body (20) supporting the movable part of the needle (18) is profiled so as to present flat bearings (28) for supporting the needle (18) alternating with notches (30) machined in the body ( 20).
  2. Aiguillage selon la revendication 1, caractérisé en ce que le rail opposé (24) est dépourvu de son ornière sur toute la longueur de l'aiguillage.Switch according to claim 1, characterized in that the opposite rail (24) is devoid of its rut over the entire length of the switch.
  3. Aiguillage selon la revendication 1, caractérisé en ce que la surface des encoches (30) est plus grande que celle des paliers (28).Switch according to claim 1, characterized in that the surface of the notches (30) is larger than that of the bearings (28).
EP19910108511 1991-05-25 1991-05-25 Switch for grooved rails Expired - Lifetime EP0515708B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19910108511 EP0515708B1 (en) 1991-05-25 1991-05-25 Switch for grooved rails

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
ES91108511T ES2068424T3 (en) 1991-05-25 1991-05-25 Change of road for lanes with throat.
EP19910108511 EP0515708B1 (en) 1991-05-25 1991-05-25 Switch for grooved rails
DK91108511T DK0515708T3 (en) 1991-05-25 1991-05-25 Shift to groove rails
DE1991607614 DE69107614T2 (en) 1991-05-25 1991-05-25 Switch for grooved rails.
AT91108511T AT118849T (en) 1991-05-25 1991-05-25 Diverter for grooved rails.
CA 2068903 CA2068903C (en) 1991-05-25 1992-05-19 Switch for grooved rails
AU17125/92A AU1712592A (en) 1991-05-25 1992-05-22 Switch for grooved rails

Publications (2)

Publication Number Publication Date
EP0515708A1 true EP0515708A1 (en) 1992-12-02
EP0515708B1 EP0515708B1 (en) 1995-02-22

Family

ID=8206772

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910108511 Expired - Lifetime EP0515708B1 (en) 1991-05-25 1991-05-25 Switch for grooved rails

Country Status (7)

Country Link
EP (1) EP0515708B1 (en)
AT (1) AT118849T (en)
AU (1) AU1712592A (en)
CA (1) CA2068903C (en)
DE (1) DE69107614T2 (en)
DK (1) DK0515708T3 (en)
ES (1) ES2068424T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577691A (en) * 1994-01-19 1996-11-26 Vae Aktiengesellschaft Switch blade device in a turnout on a tram-or streetcar-type line
EP2149638A2 (en) * 2008-07-31 2010-02-03 DT-Vyhybkárna a strojírna, a.s. Block tram rail half-switch
EP3205770A1 (en) * 2016-02-15 2017-08-16 H. + R. Riecken Maschinenbau GmbH Tongue device and method for producing such a tongue device
WO2019057441A1 (en) * 2017-09-19 2019-03-28 Voestalpine Bwg Gmbh Switch device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19517428C1 (en) * 1995-05-05 1996-09-05 Etw Weichenbau Zossen Gmbh Points for rail traffic, especially for trams

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT26715B (en) * 1905-11-06 1906-12-10 Benvenuto Pajer-Monriva Tram switch for rails with ruts.
DE1872735U (en) * 1963-02-07 1963-05-30 Deutschland A G Maschf TONGUE DEVICE FOR SWITCHES IN THE PAVEMENT.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT26715B (en) * 1905-11-06 1906-12-10 Benvenuto Pajer-Monriva Tram switch for rails with ruts.
DE1872735U (en) * 1963-02-07 1963-05-30 Deutschland A G Maschf TONGUE DEVICE FOR SWITCHES IN THE PAVEMENT.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577691A (en) * 1994-01-19 1996-11-26 Vae Aktiengesellschaft Switch blade device in a turnout on a tram-or streetcar-type line
AT405848B (en) * 1994-01-19 1999-11-25 Vae Ag Tongue device on a grooved rail switch
EP2149638A2 (en) * 2008-07-31 2010-02-03 DT-Vyhybkárna a strojírna, a.s. Block tram rail half-switch
EP2149638A3 (en) * 2008-07-31 2013-10-30 DT-Vyhybkárna a strojírna, a.s. Block tram rail half-switch
EP3205770A1 (en) * 2016-02-15 2017-08-16 H. + R. Riecken Maschinenbau GmbH Tongue device and method for producing such a tongue device
WO2019057441A1 (en) * 2017-09-19 2019-03-28 Voestalpine Bwg Gmbh Switch device

Also Published As

Publication number Publication date
ES2068424T3 (en) 1995-04-16
DK0515708T3 (en) 1995-07-10
DE69107614T2 (en) 1995-06-14
CA2068903C (en) 2003-12-02
AT118849T (en) 1995-03-15
CA2068903A1 (en) 1992-11-26
AU1712592A (en) 1992-11-26
EP0515708B1 (en) 1995-02-22
DE69107614D1 (en) 1995-03-30

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