EP0292393B1 - Suspension for a driven bogie with a single swinging axle - Google Patents

Suspension for a driven bogie with a single swinging axle Download PDF

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Publication number
EP0292393B1
EP0292393B1 EP19880401218 EP88401218A EP0292393B1 EP 0292393 B1 EP0292393 B1 EP 0292393B1 EP 19880401218 EP19880401218 EP 19880401218 EP 88401218 A EP88401218 A EP 88401218A EP 0292393 B1 EP0292393 B1 EP 0292393B1
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EP
European Patent Office
Prior art keywords
motor
axle
bogie
reducer
wheel
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
EP19880401218
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German (de)
French (fr)
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EP0292393A1 (en
Inventor
Jean-Michel Petit
Alain Rodet
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
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GEC Alsthom SA
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Publication of EP0292393A1 publication Critical patent/EP0292393A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL 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
    • B61F3/00—Types of bogies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL 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
    • B61F5/00—Constructional 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
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL 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
    • B61F5/00—Constructional 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
    • B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles

Definitions

  • the object of the present invention is to provide a bogie with a single steerable axle, provided with a motor per wheel, the mass of which is less than that of known bogies, and in which the unsprung masses, both vertically and transversely, are less important, and which consequently ensures better comfort for travelers.
  • the body C of the wagon rests via the crown C r on the load cross member T.
  • the latter carries via the suspensions S1, S2 on the side members L1, L2 , themselves supported by the fixed axle E connected to the wheels R1, R2.
  • Each of the motors M1, M2 is connected on the one hand to a braking disc D1, D2 by a caliper E1, E2, and on the other hand thanks to a reducer Rd1, Rd2 to a wheel R1, R2, integral with the fixed axle E.
  • FIG. 3 The main components of a bogie of the invention with independent wheels are shown in perspective in FIG. 3.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Vibration Prevention Devices (AREA)

Description

La présente invention concerne un bogie à essieu unique orientable pour wagon ferroviaire, muni d'un moteur par roue.The present invention relates to a bogie with a single steerable axle for a railway wagon, fitted with a motor per wheel.

Un tel bogie doit supporter une masse assez élevée, de l'ordre de 20 tonnes par essieu, ce qui implique dans la structure connue une traverse de charge et des longerons de grandes dimensions, et les masses non suspendues sont importantes, ce qui réduit le confort procuré par la suspension.Such a bogie must support a fairly high mass, of the order of 20 tonnes per axle, which implies in the known structure a large load beam and beams, and the unsprung masses are significant, which reduces the comfort provided by the suspension.

La présente invention a pour but de procurer un bogie à essieu unique orientable, muni d'un moteur par roue, dont la masse soit plus faible que celles du bogies connus, et dans lequel les masses non suspendues, tant verticalement que transversalement, soient moins importantes, et qui assure par suite un meilleur confort aux voyageurs.The object of the present invention is to provide a bogie with a single steerable axle, provided with a motor per wheel, the mass of which is less than that of known bogies, and in which the unsprung masses, both vertically and transversely, are less important, and which consequently ensures better comfort for travelers.

L'invention a donc pour objet un bogie à essieu unique orientable pour wagon ferroviaire, muni d'un moteur par roue, chaque moteur entraînant sa roue par l'intermédiaire d'un réducteur, caractérisé en ce que son essieu est relié directement à la caisse du wagon par une suspension élastique et en ce que le moteur de chaque roue et son réducteur sont portés par une traverse de liaison par l'intermédiaire de l'axe du moteur autour duquel son réducteur forme bras oscillant, l'essieu traversant axialement les réducteurs avec possibilité de coulissage transversal.The subject of the invention is therefore a bogie with a single steerable axle for a railway wagon, provided with a motor per wheel, each motor driving its wheel by means of a reduction gear, characterized in that its axle is connected directly to the wagon body by an elastic suspension and in that the motor of each wheel and its reducer are carried by a connecting crosspiece via the axis of the motor around which its reducer forms a swinging arm, the axle axially passing through the reducers with the possibility of transverse sliding.

Du fait de cette structure, la fonction de support de la charge de la caisse est assurée uniquement par la suspension montée en parallèle (et non plus en série) avec la couronne, ou l'ensemble pivot et lissoirs de liaison entre caisse et traverse, et cette traverse.Because of this structure, the support function of the load of the body is ensured only by the suspension mounted in parallel (and no longer in series) with the crown, or the pivot assembly and connecting smoothers between body and cross member, and this cross.

Cette dernière peut donc être sensiblement allégée. La caisse est ainsi supportée directement par l'essieu. Par ailleurs, l'ensemble du moteur et de son réducteur est semi-suspendu.The latter can therefore be significantly reduced. The body is thus supported directly by the axle. In addition, the entire motor and its gearbox is semi-suspended.

Le bogie de l'invention répond en outre de préférence à au moins l'une des caractéristiques suivantes :

  • Chaque réducteur est relié à la roue correspondante par un accouplement à grande flexibilité transversale.
  • Chaque axe de moteur est muni au delà de chacun de ses passages dans la traverse d'un disque de freinage de grand diamètre et de son étrier.
  • Chaque moteur est relié à un bras venant appuyer sur un plot élastique commun, de façon que les efforts de chaque bras sur ce plot du fait de la tendance du moteur à tourner en fonctionnement autour de son axe s'exerçent en sens opposés.
  • Son essieu est à roues indépendantes.
  • Sa traverse est reliée à la caisse du wagon par une couronne à billes ou par un ensemble à pivot et lissoirs.
The bogie of the invention also preferably meets at least one of the following characteristics:
  • Each gearbox is connected to the corresponding wheel by a coupling with great transverse flexibility.
  • Each motor axis is provided beyond each of its passages in the cross member of a large diameter brake disc and its caliper.
  • Each motor is connected to an arm coming to press on a common elastic block, so that the forces of each arm on this block due to the tendency of the motor to rotate in operation around its axis are exerted in opposite directions.
  • Its axle is on independent wheels.
  • Its cross-member is connected to the wagon body by a ball crown or by a pivot and smoother assembly.

Il est décrit ci-après, à titre d'exemple et en référence aux figures schématiques de dessin annexé, un bogie bimoteur selon la technique connue et un bogie à essieu unique orientable, muni d'un moteur par roue, selon l'invention.It is described below, by way of example and with reference to the schematic figures of the appended drawing, a twin-engine bogie according to the known technique and a bogie with a single steerable axle, provided with a motor per wheel, according to the invention.

La figure 1 représente les liaisons entre organes d'un bogie bimoteur connu.FIG. 1 represents the connections between members of a known twin-engine bogie.

La figure 2 représente les liaisons entre organes d'un bogie bimoteur de l'invention.FIG. 2 represents the connections between members of a twin-engine bogie of the invention.

La figure 3 représente en perspective les principaux organes d'un bogie bimoteur de l'invention.Figure 3 shows in perspective the main components of a twin-engine bogie of the invention.

La figure 4 représente un élévation un dispositif d'anticabrage et d'antiroulis pour un tel bogie.Figure 4 shows an elevation of an anti-roll and anti-roll device for such a bogie.

Dans le bogie connu schématisé en figure 1, la caisse C du wagon repose par l'intermédiaire de la couronne Cr sur la traverse de charge T. Celle-ci porte par l'intermédiaire des suspensions S₁, S₂ sur les longerons L₁, L₂, eux-mêmes supportés par l'essieu fixe E relié aux roues R₁, R₂. Chacun des moteurs M₁, M₂ est relié d'une part à un disque de freinage D₁, D₂ par un étrier E₁, E₂, et d'autre part grâce à un réducteur Rd₁, Rd₂ à une roue R₁, R₂, solidaire de l'essieu fixe E.In the known bogie shown diagrammatically in FIG. 1, the body C of the wagon rests via the crown C r on the load cross member T. The latter carries via the suspensions S₁, S₂ on the side members L₁, L₂ , themselves supported by the fixed axle E connected to the wheels R₁, R₂. Each of the motors M₁, M₂ is connected on the one hand to a braking disc D₁, D₂ by a caliper E₁, E₂, and on the other hand thanks to a reducer Rd₁, Rd₂ to a wheel R₁, R₂, integral with the fixed axle E.

Dans le bogie de l'invention schématisé en figure 2, la caisse C est supportée par les suspensions S₁, S₂ reliées à l'essieu fixe E et disposées en parallèle avec la traverse d'entraînement T et les moteurs et réducteurs. Elle est par ailleurs liée à la traverse d'entraînement T à traverse une couronne à billes Cr, de diamètre de l'ordre de 500 mm pour un wagon de type courant, comme représenté, ou éventuellement par un ensemble à pivot et lissoirs, de type connu. L'ensemble des moteurs M₁, M₂ et des réducteurs correspondants Rd₁, Rd₂ est semi-suspendu à la traverse T. Les réducteurs sont reliés par les accouplements Ac₁, Ac₂ aux roues R₁, R₂ solidaires de l'essieu fixe E. Les moteurs sont reliés comme dans le bogie connu aux étriers E₁, E₂ et disques de freinage D₁, D₂.In the bogie of the invention shown diagrammatically in FIG. 2, the body C is supported by the suspensions S₁, S₂ connected to the fixed axle E and arranged in parallel with the drive cross member T and the motors and reducers. It is also linked to the drive cross member T through a ring crown C r , with a diameter of the order of 500 mm for a wagon of the current type, as shown, or possibly by a pivot and smoother assembly, of known type. All of the motors M₁, M₂ and the corresponding reducers Rd₁, Rd₂ is semi-suspended from the cross member T. The reducers are connected by the couplings Ac₁, Ac₂ to the wheels R₁, R₂ secured to the fixed axle E. The motors are connected as in the known bogie to the calipers E₁, E₂ and brake discs D₁, D₂.

De ce fait, la traverse T qui ne supporte pas les charges verticales les plus importantes (transmises à l'essieu par les suspensions S₁, S₂), peut être allégée par rapport aux traverses des bogies connus. Seuls les efforts d'entraînement et de guidage sont supportés par les carters des réducteurs.Therefore, the cross member T which does not support the highest vertical loads (transmitted to the axle by the suspensions S₁, S₂), can be lightened compared to the cross members of known bogies. Only the driving and guiding forces are supported by the housings of the reducers.

Les principaux organes d'un bogie de l'invention à roues indépendantes sont représentés en perspective en figure 3.The main components of a bogie of the invention with independent wheels are shown in perspective in FIG. 3.

Le bogie comporte une traverse d'entraînement 1 (également appelée cadre) liée à la caisse (non représentée) par une petite couronne à billes 2. Sur cette traverse viennent se fixer chaque moteur 3A, 3B, d'axe longitudinal 11, et chaque réducteur 4A, 4B. Chacun de ces derniers est fixé rigidement au moteur correspondant, l'ensemble moteur-réducteur pouvant tourner librement autour de l'axe 11 de moteur, par rapport à la traverse 1, et constituant ainsi un bras oscillant.The bogie comprises a drive cross member 1 (also called a frame) linked to the body (not shown) by a small ball crown 2. On this cross member are fixed each motor 3A, 3B, of longitudinal axis 11, and each reducer 4A, 4B. Each of these is rigidly fixed to the corresponding motor, the motor-reducer assembly being able to rotate freely around the motor axis 11, relative to the cross-member 1, and thus constituting an oscillating arm.

En bout de chaque arbre-moteur sont montés un disque de freinage 5 et son étrier, non représenté. Le diamètre du disque est généralement de l'ordre de 400 mm. L'élément d'essieu fixe 6 traverse de part en part le réducteur 4, avec liberté de coulissage transversal, et reçoit les roues à moyeux 7, ainsi que le support 8 de suspension à ressort 9. Des accouplements en élastomère à grande flexibilité transversale tels que 10 transmettent le mouvement des réducteurs 4 aux roues 7. Par ailleurs, les moteurs sont reliés l'un à l'autre par le dispositif d'anticabrage des moteurs et d'anti-roulis du bogie représenté en figure 4 (les réducteurs, accouplement, essieu et ressort de suspension situés du côté de l'observateur étant enlevés).At the end of each drive shaft are mounted a brake disc 5 and its caliper, not shown. The diameter of the disc is generally of the order of 400 mm. The fixed axle element 6 passes right through the reduction gear 4, with freedom of transverse sliding, and receives the wheels with hubs 7, as well as the support 8 for spring suspension 9. Elastomer couplings with great transverse flexibility such as 10 transmit the movement of the reducers 4 to the wheels 7. Furthermore, the motors are connected to each other by the motor anti-casing and anti-roll device of the bogie shown in FIG. 4 (the reducers , coupling, axle and suspension spring located on the side of the observer being removed).

Dans ce dispositif, les bras 12A solidaire du moteur 3A et 12B solidaire du moteur 3B sont reliés par un plot en élastomère 13. Cette disposition s'oppose d'une part aux efforts de déchargement des roues résultant de la tendance de chacun des stators de moteur à tourner autour de son axe, dans le sens représenté par les flèches en trait interrompu. Par ailleurs, le plot 13 permet, lors de l'écrasement de la suspension d'un côté du bogie, dans une courbe, de limiter l'allongement de cette suspension de l'autre côté du bogie. On réduit donc notablement le roulis de la caisse.In this device, the arms 12A secured to the motor 3A and 12B secured to the motor 3B are connected by an elastomer pad 13. This arrangement is opposed on the one hand to the unloading efforts of the wheels resulting from the tendency of each of the motor stators to rotate about its axis, in the direction represented by the arrows in broken lines. Furthermore, the stud 13 allows, during the crushing of the suspension on one side of the bogie, in a curve, to limit the elongation of this suspension on the other side of the bogie. The roll of the body is therefore significantly reduced.

Bien que le bogie de l'invention convienne particulièrement bien pour les bogies à essieux à orientation commandée, il peut également être utilisé avec des essieux rigides à roues non indépendantes et à orientation naturelle, dans la mesure où le rayon des courbes de la voie n'est pas trop faible. Il est aussi applicable aux wagons à roulement sur pneumatiques avec ressorts intérieurs aux roues.Although the bogie of the invention is particularly suitable for bogies with axles with controlled orientation, it can also be used with rigid axles with non-independent wheels and with natural orientation, insofar as the radius of the curves of the track n is not too weak. It is also applicable to wagons with pneumatic bearings with inner springs on the wheels.

Claims (6)

  1. Steerable single-axle bogie for railway carriages comprising one motor for each wheel, each motor driving the respective wheel through a reducer, characterised in that each axle (E, 6) is coupled directly to the body (C) of the carriage by an elastic suspension (S₁, S₂, 9) and in that the motor (M₁, M₂ ; 3A, 3B) of each wheel and its reducer (Rd₁, Rd₂ ; 4A, 4B) are carried by a linking crossmember through the intermediary of the shaft (11) of the motor around which its reducer forms an oscillating arm, the axle (E;6) passing axially through the reducers and being able to slide transversely.
  2. Bogie according to claim 1 characterised in that each reducer (4A, 4B) is coupled to the respective wheel (7) by a coupling (10) offering great transverse flexibility.
  3. Bogie according to claim 1 or claim 2 characterised in that each motor shaft (11) is provided beyond each passage through the crossmember with a large diameter brake disc (5) and its caliper.
  4. Bogie according to any one of claims 1 to 3 characterised in that each motor (3A, 3B) is coupled to an arm (12A, 12B) bearing on a common elastic pad (13) so that the forces exerted by each arm on said pad because of the tendency of the motor to rotate about its axis when operating are exerted in opposite directions.
  5. Bogie according to any one of claims 1 to 4 characterised in that the axle is of the independent wheel type.
  6. Bogie according to any one of claims 1 to 5 characterised in that the crossmember (1) is coupled to the body of the carriage by a ball ring (2) or by a pivot and transom assembly.
EP19880401218 1987-05-22 1988-05-19 Suspension for a driven bogie with a single swinging axle Expired - Lifetime EP0292393B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8707264 1987-05-22
FR8707264A FR2615467B1 (en) 1987-05-22 1987-05-22 SUSPENSION FOR BOGIE MOTOR WITH SINGLE AXLE ORIENTABLE

Publications (2)

Publication Number Publication Date
EP0292393A1 EP0292393A1 (en) 1988-11-23
EP0292393B1 true EP0292393B1 (en) 1992-04-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880401218 Expired - Lifetime EP0292393B1 (en) 1987-05-22 1988-05-19 Suspension for a driven bogie with a single swinging axle

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EP (1) EP0292393B1 (en)
DE (1) DE3870029D1 (en)
FR (1) FR2615467B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510177C2 (en) * 1995-03-21 1996-08-22 Peter Dipl Ing Germuska Single-axle frame with six articulation points for articulated trains

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE654028C (en) * 1937-12-08 Fried Krupp Akt Ges In the direction of the drive axis adjoining paw bearings of two axle bearing motors for electric traction vehicles working on the common drive axis
FR342927A (en) * 1904-05-06 1904-09-21 Franz Krizik Method of mounting electric motors on electrically operated vehicles
FR497197A (en) * 1918-03-16 1919-11-27 Brown Control for electric vehicles by motors mounted on the axle
US1460170A (en) * 1920-10-06 1923-06-26 Westinghouse Electric & Mfg Co Railway-motor mounting
DE549656C (en) * 1929-12-19 1932-04-30 Aeg Single wheel drive for electrically operated track vehicles with continuous non-rotating car axles
BE809690A (en) * 1974-01-14 1974-07-15 Acec HIGH SPEED SPRING WHEEL BOGIE.

Also Published As

Publication number Publication date
FR2615467B1 (en) 1989-06-30
FR2615467A1 (en) 1988-11-25
DE3870029D1 (en) 1992-05-21
EP0292393A1 (en) 1988-11-23

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