EP0318920A1 - Bogie for rail vehicle with transmission through a mechanical differential gear - Google Patents
Bogie for rail vehicle with transmission through a mechanical differential gear Download PDFInfo
- Publication number
- EP0318920A1 EP0318920A1 EP88119885A EP88119885A EP0318920A1 EP 0318920 A1 EP0318920 A1 EP 0318920A1 EP 88119885 A EP88119885 A EP 88119885A EP 88119885 A EP88119885 A EP 88119885A EP 0318920 A1 EP0318920 A1 EP 0318920A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bogie
- cross member
- bogie according
- wheels
- differential
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 9
- 230000000875 corresponding Effects 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 11
- 230000001808 coupling Effects 0.000 claims description 9
- 239000003638 reducing agent Substances 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000037250 Clearance Effects 0.000 claims description 2
- 230000035512 clearance Effects 0.000 claims description 2
- 230000036633 rest Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organs Anatomy 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
-
- 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
- B61F3/02—Types of bogies with more than one axle
- B61F3/04—Types of bogies with more than one axle with driven axles or wheels
-
- 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
Abstract
Description
La présente invention concerne un bogie pour véhicule ferroviaire, relié à la caisse du véhicule par une traverse de charge, et à un ou deux essieux et moteurs correspondants, à transmission entre un moteur et les roues qu' il entraîne comportant un différentiel mécanique.The present invention relates to a bogie for a railway vehicle, connected to the vehicle body by a load cross member, and to one or two axles and corresponding motors, with transmission between a motor and the wheels which it drives comprising a mechanical differential.
Dans les bogies connus à différentiel mécanique, l'ensemble des organes qui assurent la transmission du mouvement entre un moteur et les roues corespondantes se trouve rassemblé dans une poutre porteuse, appelée généralement "pont réducteur différentiel", qui assure simultanément les fonctions de support de la charge, d'entraînement du bogie et de transmission du couple moteur. L'emploi d'un tel pont réducteur différentiel conduit à une structure dans laquelle le cadre et les suspensions du bogie sont disposés entre les roues de roulement et l'axe longitudinal du bogie. Il entraîne la présence de masses non suspendues vis-à-vis de la voie importantes (pont réducteur, transmissions, organes de freinage, moteur). On n'a utilisé jusqu'à présent de tels ponts réducteurs différentiels que sur des bogies destinés au roulement sur pneumatiques (bogies de métros), pour lesquels la présence de masses non suspendues importantes n'était pas un inconvénient majeur, compte tenu de la suspension supplémentaire apportée par les pneumatiques eux-mêmes.In known bogies with mechanical differential, all of the organs which ensure the transmission of movement between a motor and the corresponding wheels are gathered in a carrying beam, generally called "differential reduction bridge", which simultaneously performs the support functions of load, driving the bogie and transmitting the engine torque. The use of such a differential reduction bridge leads to a structure in which the frame and the bogie suspensions are arranged between the running wheels and the longitudinal axis of the bogie. It causes the presence of unsprung masses vis-à-vis the important track (reduction bridge, transmissions, braking devices, engine). Until now, such differential reduction axles have only been used on bogies intended for rolling on tires (subway bogies), for which the presence of large unsprung masses was not a major drawback, taking into account the additional suspension provided by the tires themselves.
En revanche, dans le cas de véhicules à bogies ordinaires à roues métalliques, la présence de masses non suspendues importantes compromet la tenue mécanique de la voie et des organes de transmission, et réduit le confort des passagers.On the other hand, in the case of ordinary bogie vehicles with metal wheels, the presence of large unsprung masses compromises the mechanical strength of the track and of the transmission members, and reduces passenger comfort.
La présente invention a pour but de procurer un bogie pour véhicule ferroviaire entre un moteur et les roues qu'il entraîne comportant un différentiel mécanique, avec une réduction dans une très large mesure des masses non suspendues, aussi bien verticalement que transversalement,et une disposition des organes de suspension plus éloignée de l'axe longitudinal que les roues.The present invention aims to provide a bogie for a rail vehicle between an engine and the wheels which it drives comprising a mechanical differential, with a reduction to a very large extent of the unsprung masses, both vertically and transversely, and an arrangement suspension members further from the longitudinal axis than the wheels.
Le bogie selon l'invention est caractérisé en ce que le moteur et son différentiel sont suspendus à la traverse de charge.The bogie according to the invention is characterized in that the motor and its differential are suspended from the load cross member.
Il répond en outre de préférence à au moins l'une des caractéristiques suivantes :
-Chaque arbre de sortie du différentiel mécanique est lié par un accouplement à grand débattement transversal à un réducteur latéral.
- Le réducteur latéral est à engrenages cylindriques, semi-suspendu à la traverse, et lié à une roue.
- Le réducteur latéral est à train épicycloïdal et intégré dans une roue.
- Chaque arbre de sortie du différentiel mécanique est muni avant sa liaison à l'accouplement correspondant d'un disque de freinage.
- Les organes de suspension à la traverse de charge sont disposés à l'extérieur des roues.
- La traverse de charge est reliée à la caisse par une couronne à billes, éventuellement munie de lissoirs.
- Chaque essieu est à roues indépendantes en rotation.
- Chaque essieu est coudé de sorte que sa partie médiane disposée sous le moteur soit à un niveau inférieur à celui de ses extrémités.It also preferably meets at least one of the following characteristics:
-Each output shaft of the mechanical differential is linked by a coupling with large transverse travel to a lateral reduction gear.
- The lateral reducer is with cylindrical gears, semi-suspended from the cross-member, and linked to a wheel.
- The lateral reduction gear is of planetary gear and integrated in a wheel.
- Each output shaft of the mechanical differential is fitted before its connection to the corresponding coupling with a braking disc.
- The suspension members on the load cross member are arranged outside the wheels.
- The load cross member is connected to the body by a ball crown, possibly fitted with smoothers.
- Each axle has independent rotating wheels.
- Each axle is bent so that its middle part located under the engine is at a level lower than that of its ends.
Il est décrit ci-après, a titre d'exemple et en référence aux figures du dessin annexé, des bogies à pont différentiel selon la technique connue et selon la présente invention.
- La figure 1 représente schématiquement un bogie connu.
- La figure 2 représente schématiquement un bogie selon l'invention à un seul essieu.
- La figure 3 représente en perspective un bogie selon l'invention.
- Figure 1 shows schematically a known bogie.
- FIG. 2 schematically represents a bogie according to the invention with a single axle.
- Figure 3 shows in perspective a bogie according to the invention.
Dans le bogie connu selon la figure 1, la caisse C repose par l'intermédiaire d'une couronne à billes Cr sur la traverse de charge T. Celle-ci porte par l'intermédiaire des suspensions S₁ et S₂ sur le pont différentiel P, formant poutre porteuse. Celui-ci réunit l'ensemble des organes qui assurent la transmission du mouvement du moteur aux roues, et assure simultanément les fonctions de support de la charge, d'entrainement du bogie et de transmission du couple moteur.In the known bogie according to FIG. 1, the body C rests by means of a ball ring C r on the load cross member T. The latter carries via suspensions S₁ and S₂ on the differential bridge P , forming a supporting beam. This brings together all of the bodies that ensure the transmission of movement of the motor at the wheels, and simultaneously performs the functions of supporting the load, driving the bogie and transmitting the motor torque.
Le moteur M est fixé au pont différentiel P. Son arbre est relié par un accouplement au différentiel mécanique D, qui entraîne par des arbres latéraux les réducteurs latéraux Rd₁, Rd₂. Les roues R₁, R₂ sont solidaires des extrémités du pont différentiel, et entraînées par les arbres de sortie des réducteurs Rd₁, Rd₂.The motor M is fixed to the differential bridge P. Its shaft is connected by a coupling to the mechanical differential D, which drives the lateral reducers Rd₁, Rd₂ by lateral shafts. The wheels R₁, R₂ are integral with the ends of the differential bridge, and driven by the output shafts of the reducers Rd₁, Rd₂.
L'emploi d'un tel pont réducteur différentiel nécessite de disposer le cadre et les suspensions de bogie à l'intérieur des roues de roulement, et implique l'existence de masses non suspendues vis-à-vis de la voie importantes (moteur, pont, transmission, organes de freinage). De ce fait les bogies à pont réducteur différentiel n'ont été utilisés jusqu'ici qu'avec des roues à pneumatiques, la présence de masses suspendus importantes ne présentant pas alors d'inconvénient majeur, puisque les pneumatiques créent une suspension supplémentaire.The use of such a differential reduction bridge requires having the frame and the bogie suspensions inside the running wheels, and implies the existence of unsprung masses vis-à-vis the major track (engine, axle, transmission, braking devices). Therefore the bogies with differential reduction bridge have so far been used only with pneumatic wheels, the presence of large suspended masses then not presenting any major drawback, since the tires create an additional suspension.
Dans le bogie selon l'invention (figure 2), à essieu unique, la caisse C du véhicule repose, par l'intermédiaire d'une couronne à billes munie de lissoirs Cr, sur la traverse de charge T. Celle-çi s'appuie par l'intermédiaire des suspensions S₁ et S₂ sur les fausses boîtes d'essieu FB₁ FB₂, elles-mêmes solidaires de l'essieu fixe en rotation E, relié aux roues R₁, R₂. Le moteur M, suspendu sous la traverse T, transmet son couple par l'intermédiaire d'un accouplement au différentiel mécanique D, lui aussi suspendu sous la traverse de charge T. Le différentiel mécanique transmet le mouvement de part et d'autre aux réducteurs latéraux Rd₁, Rd₂, qui sont semi-suspendus à la traverse de charge T, par des accouplements latéraux à grand débattement AC₁, AC₂ aptes à reprendre les débattements transversaux entre l'essieu E et la traverse T.In the bogie according to the invention (FIG. 2), with a single axle, the body C of the vehicle rests, by means of a ball ring fitted with smoothers C r , on the load cross member T. This one 'supports via suspensions S₁ and S₂ on the false axle boxes FB₁ FB₂, themselves integral with the fixed axle in rotation E, connected to the wheels R₁, R₂. The motor M, suspended under the cross member T, transmits its torque by means of a coupling to the mechanical differential D, which is also suspended under the load cross member. The mechanical differential transmits the movement on both sides to the reducers lateral Rd₁, Rd₂, which are semi-suspended from the load cross member T, by lateral couplings with large clearance AC₁, AC₂ able to take up the transverse deflections between the axle E and the cross member T.
De part et d'autre du différentiel mécanique D sont également montés des disques de freinage semi-rapides d₁, d₂, auxquels sont associés les étriers de freinage E₁, E₂, solidaires du carter du différentiel D ou de la traverse de charge T.On either side of the mechanical differential D are also mounted semi-rapid braking discs d₁, d₂, with which the brake calipers E₁, E₂ are associated, integral with the casing of the differential D or of the load cross member T.
Les suspensions des bogies sont disposées à l'extérieur des roues par rapport à un axe longitudinal, ce qui améliore leur accessibilité.The bogie suspensions are arranged outside the wheels with respect to a longitudinal axis, which improves their accessibility.
La figure 3 représente en perspective avec arrachement partiel un bogie répondant à la structure de principe de la figure 2. On y voit la traverse de charge T, sur laquelle est disposée la couronne à billes Cr, assurant le support de la caisse (non représentée). Le moteur M est relié par un accouplement AC₃ au différentiel mécanique D. Tous deux sont suspendus sous la traverse T. Les arbres de sortie du différentiel sont reliés par des accouplements AC₁, AC₂ aux réducteurs Rd₁, Rd₂, qui transmettent le mouvement aux roues R₁, R₂. L'essieu est coudé. Il comporte une partie centrale basse Eo et des extrémités relevées E₁, E₂ en face des fausses boîtes d'essieux FB₁, FB₂, disposées à l'extérieur des roues. Ces fausses boîtes d'essieux supportent les ressorts hélicoïdaux de suspension S₁, S₂ d'un côté, S₃, S₄ de l'autre.Figure 3 shows in perspective with partial cutaway a bogie meeting the basic structure of Figure 2. We see the load cross member T, on which is arranged the ball ring C r , ensuring the support of the body (not shown). The motor M is connected by a coupling AC₃ to the mechanical differential D. Both are suspended under the cross member T. The output shafts of the differential are connected by couplings AC₁, AC₂ to the reducers Rd₁, Rd₂, which transmit the movement to the wheels R₁ , R₂. The axle is bent. It has a lower central part E o and raised ends E₁, E₂ opposite the false axle boxes FB₁, FB₂, arranged outside the wheels. These false axle boxes support the coil suspension springs S₁, S₂ on one side, S₃, S₄ on the other.
Claims (9)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8716791 | 1987-12-03 | ||
| FR8716791A FR2624079B1 (en) | 1987-12-03 | 1987-12-03 | BOGIE FOR RAIL VEHICLE WITH MECHANICAL DIFFERENTIAL TRANSMISSION |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0318920A1 true EP0318920A1 (en) | 1989-06-07 |
| EP0318920B1 EP0318920B1 (en) | 1992-11-11 |
Family
ID=9357436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19880119885 Expired - Lifetime EP0318920B1 (en) | 1987-12-03 | 1988-11-29 | Bogie for rail vehicle with transmission through a mechanical differential gear |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0318920B1 (en) |
| DE (1) | DE3875915T2 (en) |
| FR (1) | FR2624079B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0911239A1 (en) * | 1997-10-23 | 1999-04-28 | Gec Alsthom Transport Sa | Axle or pair of axles forming a bogie for a low-floor railway vehicle |
| CN110920642A (en) * | 2019-12-20 | 2020-03-27 | 重庆艾博瑞威轨道交通设备有限公司 | Differential type power bogie |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1460170A (en) * | 1920-10-06 | 1923-06-26 | Westinghouse Electric & Mfg Co | Railway-motor mounting |
| GB264463A (en) * | 1926-01-13 | 1927-02-24 | Ateleiers De Secheron Sa Des | Improvements in or relating to electric drives for vehicles |
| DE449870C (en) * | 1926-03-02 | 1927-09-22 | Hermann Matthies | Vehicle drive with two cradle bearing motors arranged on both sides of the axis and driving this axis |
| DE475678C (en) * | 1929-04-30 | Sachsenwerk Licht & Kraft Ag | Motor suspension, especially for electrically operated track vehicles | |
| DE483457C (en) * | 1929-10-14 | Sachsenwerk Licht & Kraft Ag | Motor suspension, especially for electrically operated track vehicles | |
| DE622944C (en) * | 1934-04-11 | 1935-12-14 | Siemens Schuckertwerke Akt Ges | Paw bearing double motor for electric vehicles |
| DE1530155A1 (en) * | 1965-10-09 | 1969-10-30 | Sig Schweiz Industrieges | Bogie for rail vehicles |
| DE2517976A1 (en) * | 1975-04-23 | 1976-11-04 | Gmeinder & Co Gmbh | Drive wheel unit for rail vehicles - has breaks in connection section bridged by universally jointed shafts. |
| FR2426600A1 (en) * | 1978-05-26 | 1979-12-21 | Bbc Brown Boveri & Cie | TRACTION VEHICLE |
| FR2434067A1 (en) * | 1978-08-26 | 1980-03-21 | Krupp Gmbh | RAILWAY MOTOR VEHICLE WITH BOGIES |
| EP0052244A1 (en) * | 1980-11-14 | 1982-05-26 | Thyssen Industrie Ag | Bogie for rail vehicles like trams |
-
1987
- 1987-12-03 FR FR8716791A patent/FR2624079B1/en not_active Expired - Fee Related
-
1988
- 1988-11-29 DE DE19883875915 patent/DE3875915T2/en not_active Expired - Fee Related
- 1988-11-29 EP EP19880119885 patent/EP0318920B1/en not_active Expired - Lifetime
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE475678C (en) * | 1929-04-30 | Sachsenwerk Licht & Kraft Ag | Motor suspension, especially for electrically operated track vehicles | |
| DE483457C (en) * | 1929-10-14 | Sachsenwerk Licht & Kraft Ag | Motor suspension, especially for electrically operated track vehicles | |
| US1460170A (en) * | 1920-10-06 | 1923-06-26 | Westinghouse Electric & Mfg Co | Railway-motor mounting |
| GB264463A (en) * | 1926-01-13 | 1927-02-24 | Ateleiers De Secheron Sa Des | Improvements in or relating to electric drives for vehicles |
| DE449870C (en) * | 1926-03-02 | 1927-09-22 | Hermann Matthies | Vehicle drive with two cradle bearing motors arranged on both sides of the axis and driving this axis |
| DE622944C (en) * | 1934-04-11 | 1935-12-14 | Siemens Schuckertwerke Akt Ges | Paw bearing double motor for electric vehicles |
| DE1530155A1 (en) * | 1965-10-09 | 1969-10-30 | Sig Schweiz Industrieges | Bogie for rail vehicles |
| DE2517976A1 (en) * | 1975-04-23 | 1976-11-04 | Gmeinder & Co Gmbh | Drive wheel unit for rail vehicles - has breaks in connection section bridged by universally jointed shafts. |
| FR2426600A1 (en) * | 1978-05-26 | 1979-12-21 | Bbc Brown Boveri & Cie | TRACTION VEHICLE |
| FR2434067A1 (en) * | 1978-08-26 | 1980-03-21 | Krupp Gmbh | RAILWAY MOTOR VEHICLE WITH BOGIES |
| EP0052244A1 (en) * | 1980-11-14 | 1982-05-26 | Thyssen Industrie Ag | Bogie for rail vehicles like trams |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0911239A1 (en) * | 1997-10-23 | 1999-04-28 | Gec Alsthom Transport Sa | Axle or pair of axles forming a bogie for a low-floor railway vehicle |
| FR2770190A1 (en) * | 1997-10-23 | 1999-04-30 | Gec Alsthom Transport Sa | BOGIE-FORMING AXLE OR TORQUE FOR RAILWAY VEHICLE WITH INTEGRAL LOW FLOOR |
| CN110920642A (en) * | 2019-12-20 | 2020-03-27 | 重庆艾博瑞威轨道交通设备有限公司 | Differential type power bogie |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3875915T2 (en) | 1993-03-25 |
| EP0318920B1 (en) | 1992-11-11 |
| DE3875915D1 (en) | 1992-12-17 |
| FR2624079A1 (en) | 1989-06-09 |
| FR2624079B1 (en) | 1992-04-30 |
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