CA2014168C - Primary suspension and variable orientation axle - Google Patents

Primary suspension and variable orientation axle

Info

Publication number
CA2014168C
CA2014168C CA002014168A CA2014168A CA2014168C CA 2014168 C CA2014168 C CA 2014168C CA 002014168 A CA002014168 A CA 002014168A CA 2014168 A CA2014168 A CA 2014168A CA 2014168 C CA2014168 C CA 2014168C
Authority
CA
Canada
Prior art keywords
axle
primary suspension
chassis
blocks
variable orientation
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 - Fee Related
Application number
CA002014168A
Other languages
French (fr)
Other versions
CA2014168A1 (en
Inventor
Michel Rimbaud
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.)
Alstom Holdings SA
Original Assignee
GEC Alsthom SA
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 GEC Alsthom SA filed Critical GEC Alsthom SA
Publication of CA2014168A1 publication Critical patent/CA2014168A1/en
Application granted granted Critical
Publication of CA2014168C publication Critical patent/CA2014168C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61FRAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/38Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
    • B61F5/386Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles fluid actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Springs (AREA)

Abstract

Railway vehicle axle with primary suspension and variable orientation, rotating between two axle boxes and mounted on a frame, possessing a primary suspension comprising, for each of the axle boxes, two resilient blocks arranged on either side of the axle box, characterised in that the said blocks (5A, 5B) have an internal cavity connected, via a distribution system, to a source of fluid of adjustable pressure. <IMAGE>

Description

?,01~168 . - 1 ;~ La présente invention est relative à un essieu de véhicule ferro~iaire, cet essieu étant monté entre deux . boîtes d'essieu reliées à un châssis de caisse ou de bogie au moyen d'une suspension primaire.
Cette suspension primaire est souvent réalisée par deux blocs en élastomère à armatures métalliques, disposés .
de part et d'autre de la boîte d'essieu et prenant appui sur `- le châssis.
; Dans certaines conditions d'exploitation, et ` 10 notamment en courbe, il est utile que les essieux soient orientables, afin qu'ils s'inscrivent correctement dans la courbe évitant ainsi une usure trop importante des roues.
On connaît, notamment par le document FR-A-2 530 267, des dispositifs d'orientation entièrement mécaniques permettant d'orienter les essieux. Ces dispositifs comportent des palonniers et des bielles actionnant directement les boîtes d'essieu.
L'orientation des essieux est donc possible, en ~. raison de la flexibilité de la suspension primaire.
,~ 20 Nais ces dispositifs sont complexes et de - fiabilité incertaine. Par ailleurs, ces dispositifs sont -~ encombrants et difficiles à loger à l'intérieur d'un bogie ~r~ déjà bien encombré.
Un but de l'invention est de réaliser un essieu ~ 25 possédant une suspension primaire et muni de moyens -` d'orientation fiables, simples et peu encombrants.
` Selon la présente invention, il est prévu un châssis de véhicule~ ferroviaire comportant au moins un , essieu à orientation variable et tournant entre deux boîtes d'essieu, le chassis étant pourvu d'une suspension primaire constituée, par boite d'essieu, de deux blocs élastiques supportant la charge du chassis et disposés de part et .i d'autre de la boîte d'essieu, caractérisé en ce que lesdits i-:,,;
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?, 01 ~ 168 . - 1 The present invention relates to an axle of ferro vehicle ~ iaire, this axle being mounted between two . axle boxes connected to a body or bogie chassis by means of a primary suspension.
This primary suspension is often achieved by two elastomer blocks with metal frames, arranged .
on either side of the axle box and bearing on `- the chassis.
; Under certain operating conditions, and `10 especially in curves, it is useful that the axles are orientable, so that they fit correctly into the curve thus avoiding excessive wear of the wheels.
We know, in particular from document FR-A-2,530 267, entirely mechanical orientation devices used to orient the axles. These devices have lifting beams and connecting rods directly the axle boxes.
Axle orientation is therefore possible, ~. because of the flexibility of the primary suspension.
, ~ 20 Nais these devices are complex and - reliability uncertain. Furthermore, these devices are - ~ bulky and difficult to accommodate inside a bogie ~ r ~ already crowded.
An object of the invention is to produce an axle ~ 25 having a primary suspension and provided with means -` reliable, simple and space-saving orientation.
`` According to the present invention, there is provided a rail vehicle chassis comprising at least one , axle with variable orientation and rotating between two boxes axle, the chassis being provided with a primary suspension made up, by axle box, of two elastic blocks supporting the chassis load and arranged on both sides .i else of the axle box, characterized in that said i -: ,,;
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2~1 ~168 . . . ~.
.~ - la -blocs possèdent une cavité intérieure reliée, par un système ~de distribution à une source de fluide à pression réglable.
.!De préférence, le système de distribution est piloté par une information donnée par des moyens de traitement d'un signal délivré par un capteur solidaire du ~véhicule ferroviaire, le capteur détectant les signaux émis i~par un émetteur disposé à l'entrée d'une courbe de la voie ferrée. .-~
~;~Il est décrit ci-après, un exemple d'essieu selon .
';! 10 l'invention, en référence au dessin annexé dans leguel:
- la figure 1 est une vue partielle schématique ~:id'un essieu selon .~ .
..

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- 2 ~

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; l'invention, - la figure 2 est un schéma de principe qui montre l'orientation po~sible d'un essieu par rapport à un châssis quelconque, - la figure 3 est une vue de dessus d'un essieu selon l'invention, - la figure 4 est une vue selon la ligne IV-IV de la figure 3, l'essieu étant en position d'orientation nulle, - la figure 5 est une vue analogue, l'essieu étant orienté d'un angle ~ a.
La figure 1 montre schématiquement un châssis de bogie 1 et une bo~te d'es~ieu 4 reliée au châssis par une suspension primaire formée de deux blocs 5A, et 5B, formés d'un élastomère tel que le caoutchouc 50 armé au moyen d'armatures métalliques 51.
; Dans la figure 2 sont représentés uniquement un châssis 1 et un seul essieu 2 muni de ses deux roues 3. L'essieu 2 peut donc s'orienter en tournant autour d'un axe vertical Z d'une valeur + a ou - a par rapport à une position de repos correspondant à un axe Y perpendiculaire à l'axe longitudinal X du châssi3.
Bien entendu, en courbe, l'autre essieu d'un bogie ou d'un véhicule doit être orienté d'une valeur - a quand l'essieu 2 est orienté d'une valeur ~ a, et inversement.
Dans la figure 3 sont représentés le châssis 1, l'essieu 2 et ses deux roues 3, mais aussi deux bo~tes d'essieu 4 dans lesquel-. ~
les tourne l'essieu, quatre blocs élastiques 5A, 5B, portant les deux bo~t6s. Selon la caractéristique principale de l'invention, ;~
les blocs 5A, 5B constituant la suspension primaire de l'essieu ~ sont muni~ chacun d'une cavité 6, et d'un système de distribution;~; 7 assurant l'alimentation en fluide des cavités 6 par des canalisations 8 et 9.
Le~ deux canalisations 8 assurent l'alimentation des cavités 30 6 deQ deux blocs 5B et les deux canalisations 9 a surent l'alimentation -~ des cavités 6 des deux blocs 5A.
La figure 4 montre en élévation partiellement coupée, une h bo~te d'essieu 4, deux éléments élastiques 5A, 5B et leur cavité 6, l'élément 5A étant relié à un élément de châssis lA et l'élément ~ 35 5B étant relié à un élément de châssis lB. Dans cette figure, l'orienta--,,''' .
, ~ .
:

2 ~
2 ~ 1 ~ 168 . . . ~.
. ~ - the -blocks have an interior cavity connected by a system ~ distribution to a source of fluid at adjustable pressure.
Preferably, the distribution system is driven by information given by means of processing of a signal delivered by a sensor integral with the ~ railway vehicle, the sensor detecting the signals emitted i ~ by a transmitter placed at the entry of a curve of the track railroad. .- ~
~; ~ It is described below, an example of an axle.
';! 10 the invention, with reference to the drawing appended in leguel:
- Figure 1 is a partial schematic view ~: id of an axle according . ~.
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- 2 ~

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; the invention, - Figure 2 is a block diagram showing the orientation po ~ sible of an axle with respect to any chassis, FIG. 3 is a top view of an axle according to the invention, FIG. 4 is a view along line IV-IV of FIG. 3, the axle being in zero orientation position, - Figure 5 is a similar view, the axle being oriented with a angle ~ a.
Figure 1 shows schematically a bogie frame 1 and a bo ~ te d'es ~ ieu 4 connected to the chassis by a primary suspension formed of two blocks 5A, and 5B, formed of an elastomer such as the rubber 50 reinforced by means of metallic reinforcements 51.
; In Figure 2 are shown only a chassis 1 and a single axle 2 with two wheels 3. Axle 2 can therefore orient by turning around a vertical axis Z with a value + a or - a relative to a rest position corresponding to a Y axis perpendicular to the longitudinal X axis of the frame 3.
Of course, in a curve, the other axle of a bogie or a vehicle must be oriented by a value - a when axle 2 is oriented with a value ~ a, and vice versa.
In Figure 3 are shown the chassis 1, the axle 2 and its two wheels 3, but also two axle boxes 4 in which . ~
turn the axle, four elastic blocks 5A, 5B, carrying the two boxes. According to the main characteristic of the invention,; ~
blocks 5A, 5B constituting the primary suspension of the axle ~ are provided ~ each with a cavity 6, and a distribution system; ~; 7 ensuring the supply of fluid to the cavities 6 by pipes 8 and 9.
The ~ two pipes 8 supply the cavities 30 6 deQ two blocks 5B and the two lines 9 a supply power - ~ Cavities 6 of the two blocks 5A.
Figure 4 shows in partially cut elevation, a h bo ~ te axle 4, two elastic elements 5A, 5B and their cavity 6, element 5A being connected to a frame element 1A and element ~ 35 5B being connected to a frame element lB. In this figure, the orienta--,, '''.
, ~.
:

2 ~

- 3 -:.
.
tion de l'es~ieu est nulle.
La figure 5 est une vue analogue à celle de la figure 4, mais dans laquelle l'essieu est incliné d'un angle + a (voir figure 3) ce qui correspond à un déplacement d de la boite d'essieu.
Une inclinaison de l'essieu s'effectue de la manière suivante :
La voie ferrée comporte, à l'entrée d'une courbe, un émetteur - qui envoie un ~ignal donnant le rayon de courbure. Le véhicule comporte un capteur qui enregistre ce signal et des moyens de trai-tement qui le transforme en une information i.
Le système de distribution 7 est connecté à une source hydrau-lique délivrant un fluide sous pression P et il est commandé par :.
l'information i pour alimenter ~oit les canalisations 8, soit les canalisationR 9.
Si les canalisations 8 soit alimentées, les cavités 6 des :.~ .
blocs 5A sont alors sous pression et elles déforment les blocs 5A en extension, tandis que les blocs 5B sont comprimés (voir figure 5~.
L'essieu s'incline alors d'un angle a variant entre O et + a qui représente une inclinaison maximale, et ceci en fonction de la pression délivrée par le sy~tème de di~tribution 7, cette pression étant fonction du rayon de courbure de la voie. On peut ~; donc moduler l'angle d'orientation de l'essieu en fonction du rayon `j de courbure de la voie.
Bien entendu le signal peut provenir de signaux extérieurs autres que le rayon de courbure de la voie ferrée.
L'invention permet de réaliser un essieu orientable facilement et de manière sûre, restant ~iable dans le temps, sans encombrer de manière notable l'environnement habituel de l'essieu. ~-::

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- 3 -:.
.
tion of the es ~ ieu is zero.
FIG. 5 is a view similar to that of FIG. 4, but in which the axle is inclined by an angle + a (see figure 3) which corresponds to a displacement d of the axle box.
The axle is tilted as follows:
The railway comprises, at the entrance of a curve, a transmitter - which sends an ignal giving the radius of curvature. The vehicle includes a sensor which records this signal and processing means which transforms it into information i.
The distribution system 7 is connected to a hydrau-liquefying a fluid under pressure P and it is controlled by :.
information i to supply ~ oit pipes 8, or pipeline R 9.
If the pipes 8 are supplied, the cavities 6 of the :. ~.
blocks 5A are then under pressure and they deform the blocks 5A in extension, while the blocks 5B are compressed (see FIG. 5 ~.
The axle then tilts at an angle a varying between O and + a which represents a maximum inclination, and this as a function of the pressure delivered by the distribution system 7, this pressure being a function of the radius of curvature of the track. We can ~; therefore modulate the orientation angle of the axle according to the radius `j curvature of the track.
Of course the signal can come from external signals other than the radius of curvature of the track.
The invention enables an easily adjustable axle to be produced and safely, remaining ~ iable over time, without cluttering notably the usual environment of the axle. ~ -::

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Claims (2)

1. Châssis de véhicule ferroviaire comportant au moins un essieu à orientation variable et tournant entre deux boîtes d'essieu, le châssis étant pourvu d'une suspension primaire constituée, par boîte d'essieu, de deux blocs élastiques supportant la charge du châssis et disposés de part et d'autre de la boîte d'essieu, caractérisé en ce que lesdits blocs possèdent une cavité intérieure reliée, par un système de distribution, à une source de fluide à
pression réglable.
1. Rail vehicle chassis comprising at minus one axle with variable orientation and rotating between two axle boxes, the chassis being provided with a primary suspension consisting of two axle boxes elastic blocks supporting the chassis load and arranged on either side of the axle box, characterized in that said blocks have a connected interior cavity, by a distribution system, to a source of fluid at adjustable pressure.
2. Châssis de véhicule ferroviaire selon la revendication 1, caractérisé en ce que le système de distribution est piloté par une information donnée par des moyens de traitement d'un signal délivré par un capteur solidaire du véhicule ferroviaire, le capteur détectant les signaux émis par un émetteur disposé à l'entrée d'une courbe de la voie ferrée. 2. Rail vehicle chassis according to claim 1, characterized in that the system of distribution is controlled by information given by means for processing a signal delivered by a sensor integral with the rail vehicle, the sensor detecting the signals emitted by a transmitter placed at the entrance of a curve of the railway.
CA002014168A 1989-04-10 1990-04-09 Primary suspension and variable orientation axle Expired - Fee Related CA2014168C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8904680A FR2645483B1 (en) 1989-04-10 1989-04-10 DEVICE FOR ORIENTATION OF AN AXLE OF A RAIL VEHICLE
FR8904680 1989-04-10

Publications (2)

Publication Number Publication Date
CA2014168A1 CA2014168A1 (en) 1990-10-10
CA2014168C true CA2014168C (en) 1994-07-19

Family

ID=9380538

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002014168A Expired - Fee Related CA2014168C (en) 1989-04-10 1990-04-09 Primary suspension and variable orientation axle

Country Status (8)

Country Link
EP (1) EP0392414B1 (en)
JP (1) JPH072463B2 (en)
AT (1) ATE102135T1 (en)
CA (1) CA2014168C (en)
DE (1) DE69006886T2 (en)
DK (1) DK0392414T3 (en)
ES (1) ES2050865T3 (en)
FR (1) FR2645483B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3034391A1 (en) * 2015-04-01 2016-10-07 Sncf Mobilites SYSTEM FOR DETECTING CURVED INPUT OF RAIL VEHICLE BODY STRUCTURE

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5199359A (en) * 1992-05-20 1993-04-06 Innotermodal Inc. Steerable rail-bogie
JP2008247173A (en) * 2007-03-30 2008-10-16 Railway Technical Res Inst Axlebox supporting device
DE102013224933B4 (en) 2013-12-04 2022-05-19 DB Systemtechnik GmbH Device for guiding a wheel set in the running gear of a rail vehicle
AT516913A3 (en) * 2015-02-17 2017-12-15 Siemens Ag Oesterreich Primary spring for a rail vehicle
AT518699A1 (en) * 2016-04-28 2017-12-15 Siemens Ag Oesterreich Suspension for a rail vehicle
AT519394B1 (en) * 2016-11-24 2023-01-15 Siemens Mobility Austria Gmbh Wheel control arrangement for a landing gear
GB2579344B (en) * 2018-11-05 2021-04-07 Bombardier Transp Gmbh Rail vehicle wheel axle guiding assembly with load-dependent pressurising means

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1273155A (en) * 1959-11-11 1961-10-06 Maschf Augsburg Nuernberg Ag Device for entering bogies with one or more axles of railway vehicles in curves
DE3123858A1 (en) * 1981-06-16 1982-12-30 Fried. Krupp Gmbh, 4300 Essen Running gear for a rail vehicle
FR2530567A1 (en) * 1982-07-26 1984-01-27 Anf Ind BOGIE WITH AXLES ORIENTABLE FOR RAILWAY VEHICLES
JPS59201113A (en) * 1983-04-28 1984-11-14 Hitachi Ltd Steering controller for car
DE3427952A1 (en) * 1984-07-28 1986-01-30 Gebr. Happich Gmbh, 5600 Wuppertal SUN VISOR FOR VEHICLES

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3034391A1 (en) * 2015-04-01 2016-10-07 Sncf Mobilites SYSTEM FOR DETECTING CURVED INPUT OF RAIL VEHICLE BODY STRUCTURE
EP3078562A1 (en) * 2015-04-01 2016-10-12 Sncf Mobilites System for detecting when a railway vehicle body structure enters a curve

Also Published As

Publication number Publication date
JPH072463B2 (en) 1995-01-18
JPH02293252A (en) 1990-12-04
DE69006886T2 (en) 1994-06-09
DE69006886D1 (en) 1994-04-07
DK0392414T3 (en) 1994-05-24
FR2645483B1 (en) 1993-04-30
CA2014168A1 (en) 1990-10-10
EP0392414B1 (en) 1994-03-02
FR2645483A1 (en) 1990-10-12
ATE102135T1 (en) 1994-03-15
ES2050865T3 (en) 1994-06-01
EP0392414A2 (en) 1990-10-17
EP0392414A3 (en) 1990-12-05

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