EP0428091A1 - Driving device for independently rotating wheels of a railway vehicle with driving shaft - Google Patents

Driving device for independently rotating wheels of a railway vehicle with driving shaft Download PDF

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Publication number
EP0428091A1
EP0428091A1 EP90121582A EP90121582A EP0428091A1 EP 0428091 A1 EP0428091 A1 EP 0428091A1 EP 90121582 A EP90121582 A EP 90121582A EP 90121582 A EP90121582 A EP 90121582A EP 0428091 A1 EP0428091 A1 EP 0428091A1
Authority
EP
European Patent Office
Prior art keywords
shaft
motor
wheels
driving
axle
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
EP90121582A
Other languages
German (de)
French (fr)
Other versions
EP0428091B1 (en
Inventor
Alain RÀ©sidence du Parc de la Couronne 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
Original Assignee
GEC Alsthom SA
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Filing date
Publication date
Application filed by GEC Alsthom SA filed Critical GEC Alsthom SA
Publication of EP0428091A1 publication Critical patent/EP0428091A1/en
Application granted granted Critical
Publication of EP0428091B1 publication Critical patent/EP0428091B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B61C9/44—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with hollow transmission shaft concentric with wheel axis
    • 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
    • B61C9/52—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with transmission shafts at an angle to the driving axles

Definitions

  • the present invention relates to a device for driving independent wheels in rotation of a railway vehicle with a driving axle, from a motor, a reduction gear and a mechanical differential.
  • the axles include a mechanical differential housed inside a beam bridge which connects the two wheels. This has the disadvantage of occupying a large space between the wheels and making it impossible to lower or lower the vehicle.
  • the object of the present invention is to provide a driving device for the wheels by driving axle with mechanical differential which makes it possible to lower the floor of the vehicle and thus make its accessibility easier.
  • the device according to the invention is characterized in that its mechanical differential is disposed outside of one of the wheels, one of the output pinions of which is directly coupled to the nearest wheel, and the other of which is coupled to the other wheel via a connecting shaft.
  • the mechanical differential is coupled directly to the first reduction stage of the reducer.
  • the drive axle is arranged inside the connecting shaft.
  • the motor output shaft is perpendicular to the driving axle.
  • the motor output shaft is parallel to the driving axle.
  • a brake disc is placed on the motor shaft.
  • the motor 1 drives through its shaft a reduction gear 2, which transmits its movement to the differential 3, arranged in a bridge 4 between the wheels 6 and 8 of the vehicle.
  • the motor half-shaft 7 at the output of the differential drives the wheel 8, and the motor half-shaft 5 the wheel 6, according to a technique analogous to that of the automobile and heavy goods vehicles.
  • the connecting shaft 20 is arranged inside a hollow fixed axle 21, around which the two rolling wheels 12 and 13 rotate.
  • the movement of the shaft of the traction motor 14 is transmitted to the wheels by means of a reduction gear 15, with two reduction stages 16 and 17.
  • Downstream of the first reduction stage 16 of the reducer is arranged a mechanical differential 18, which distributes the motor torque between the wheel 12, by means of a coupling 19, and the wheel 13 by means of the motor shaft proper 20, arranged inside the hollow fixed axle 21, and of the coupling 11.
  • the braking of the axle is ensured by a disc brake shown diagrammatically at 22 on the motor shaft.
  • the device of the invention applies to all rail vehicles with bogies with two axles or a single axle, with a low floor over their entire length, more particularly to trams.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Vehicle Body Suspensions (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)
  • Handcart (AREA)
  • Retarders (AREA)

Abstract

Device for driving independent wheels (12, 13) of a rail vehicle having a driving axle (20) in rotation from a motor (14), a reducer (15) and a mechanical differential (18). The mechanical differential (18) is arranged outside one of the wheels (12), of which one of the output pinions is coupled directly to the nearest wheel and the other is coupled to the other wheel (13) by means of a connecting shaft (20). <IMAGE>

Description

La présente invention concerne un dispositif d'entraînement de roues indépendantes en rotation d'un véhicule ferroviaire à essieu moteur, à partir d'un moteur, d'un réducteur et dlun différentiel mécanique.The present invention relates to a device for driving independent wheels in rotation of a railway vehicle with a driving axle, from a motor, a reduction gear and a mechanical differential.

Dans les dispositifs connus de ce genre, les essieux comportent un différentiel mécanique logé à l'intérieur d'un pont-poutre qui relie les deux roues. Ceci présente l'inconvénient d'occuper un espace important entre les roues et de rendre impossible un abaissement ou plancher du véhicule.In known devices of this kind, the axles include a mechanical differential housed inside a beam bridge which connects the two wheels. This has the disadvantage of occupying a large space between the wheels and making it impossible to lower or lower the vehicle.

La présente invention a pour but de procurer un dispositif d'entraînement des roues par essieu moteur à différentiel mécanique qui permette d'abaisser le plancher du véhicule et rende ainsi son accessibilité plus facile.The object of the present invention is to provide a driving device for the wheels by driving axle with mechanical differential which makes it possible to lower the floor of the vehicle and thus make its accessibility easier.

Le dispositif selon l'invention est caractérisé en ce que son différentiel mécanique est disposé à l'extérieur de l'une des roues dont l'un des pignons de sortie est accouplé directement à la roue la plus proche, et l'autre est accouplé à l'autre roue par l'intermédiaire d'un arbre de liaison.The device according to the invention is characterized in that its mechanical differential is disposed outside of one of the wheels, one of the output pinions of which is directly coupled to the nearest wheel, and the other of which is coupled to the other wheel via a connecting shaft.

Il répond en outre de préférence à au moins l'une des caractéristiques suivantes :
- le différentiel mécanique est accouplé directement au premier étage de réduction du réducteur.
- l'essieu moteur est disposé à l'intérieur de l'arbre de liaison.
- l'arbre de sortie du moteur est perpendiculaire à l'essieu moteur.
- l'arbre de sortie du moteur est parallèle à l'essieu moteur.
- Un disque de freinage est disposé sur l'arbre du moteur.It also preferably meets at least one of the following characteristics:
- the mechanical differential is coupled directly to the first reduction stage of the reducer.
- the drive axle is arranged inside the connecting shaft.
- the motor output shaft is perpendicular to the driving axle.
- the motor output shaft is parallel to the driving axle.
- A brake disc is placed on the motor shaft.

Il est décrit ci-après, à titre d'exemple et en référence aux figures schématiques du dessin annexé, un dispositif connu et un dispositif selon l'invention.

  • La figure 1 représente un dispositif connu à différentiel disposé dans un pont entre les roues.
  • La figure 2 représente un dispositif de l'invention à différentiel extérieur aux roues.
It is described below, by way of example and with reference to the schematic figures of the appended drawing, a known device and a device according to the invention.
  • Figure 1 shows a known device with differential arranged in a bridge between the wheels.
  • FIG. 2 represents a device of the invention with a differential outside the wheels.

Dans la figure 1, le moteur 1 attaque par son arbre un réducteur 2, qui transmet son mouvement au différentiel 3, disposé dans un pont 4 entre les roues 6 et 8 du véhicule. Le demi-arbre moteur 7 à la sortie du différentiel entraîne la roue 8, et le demi-arbre moteur 5 la roue 6, selon une technique analogue à celle de l'automobile et des poids lourds.In FIG. 1, the motor 1 drives through its shaft a reduction gear 2, which transmits its movement to the differential 3, arranged in a bridge 4 between the wheels 6 and 8 of the vehicle. The motor half-shaft 7 at the output of the differential drives the wheel 8, and the motor half-shaft 5 the wheel 6, according to a technique analogous to that of the automobile and heavy goods vehicles.

Dans la figure 2, l'arbre de liaison 20 est disposé à l'intérieur d'un essieu fixe creux 21, autour duquel tournent les deux roues de roulement 12 et 13. Le mouvement de l'arbre du moteur de traction 14 est transmis aux roues par l'intermédiaire d'un réducteur 15, à deux étages de réduction 16 et 17.
En aval du premier étage de réduction 16 du réducteur est disposé un différentiel mécanique 18, qui répartit le couple moteur entre la roue 12, par l'intermédiaire d'un accouplement 19, et la roue 13 par l'intermédiaire de l'arbre moteur proprement dit 20, disposé à l'intérieur de l'essieu fixe creux 21, et de l'accouplement 11. Le freinage de l'essieu est assuré par un frein à disque représenté schématiquement en 22 sur l'arbre du moteur.In FIG. 2, the connecting shaft 20 is arranged inside a hollow fixed axle 21, around which the two rolling wheels 12 and 13 rotate. The movement of the shaft of the traction motor 14 is transmitted to the wheels by means of a reduction gear 15, with two reduction stages 16 and 17.
Downstream of the first reduction stage 16 of the reducer is arranged a mechanical differential 18, which distributes the motor torque between the wheel 12, by means of a coupling 19, and the wheel 13 by means of the motor shaft proper 20, arranged inside the hollow fixed axle 21, and of the coupling 11. The braking of the axle is ensured by a disc brake shown diagrammatically at 22 on the motor shaft.

Il a été représenté un moteur d'arbre perpendiculaire à l'essieu moteur, mais il est aussi possible de prévoir un moteur d'arbre parallèle à l'essieu moteur.There has been shown a shaft motor perpendicular to the driving axle, but it is also possible to provide a shaft motor parallel to the driving axle.

Le dispositif de l'invention s'applique à tous véhicules ferroviaires avec bogies à deux essieux ou un seul essieu, à plancher bas sur toute leur longueur, plus particulièrement aux tramways.The device of the invention applies to all rail vehicles with bogies with two axles or a single axle, with a low floor over their entire length, more particularly to trams.

Claims (6)

1/ Dispositif d'entraînement de roues (12, 13) indépendantes en rotation d'un véhicule ferroviaire à essieu moteur (20), à partir d'un moteur (14), d'un réducteur (15), et d'un différentiel mécanique (18), caractérisé en ce que le différentiel mécanique (18) est disposé à l'extérieur de l'une des roues (12), dont l'un des pignons de sortie est accouplé directement à la roue la plus proche, et l'autre est accouplé à l'autre roue (13) par l'inter­médiaire d'un arbre de liaison (20).1 / Device for driving wheels (12, 13) independent in rotation of a railway vehicle with a driving axle (20), from a motor (14), a reduction gear (15), and a mechanical differential (18), characterized in that the mechanical differential (18) is arranged outside one of the wheels (12), one of the output pinions of which is directly coupled to the nearest wheel, and the other is coupled to the other wheel (13) via a connecting shaft (20). 2/ Dispositif selon la revendication 1, caractérisé en ce que le différentiel mécanique (18) est accouplé directement au premier étage de réduction (16) du réducteur.2 / Device according to claim 1, characterized in that the mechanical differential (18) is coupled directly to the first reduction stage (16) of the reducer. 3/ Dispositif selon les revendications 1 ou 2, caractérisé en ce que l'arbre moteur de liaison (20) est disposé à l'intérieur d'un essieu fixe (21).3 / Device according to claims 1 or 2, characterized in that the connecting drive shaft (20) is arranged inside a fixed axle (21). 4/ Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que l'arbre de sortie du moteur (14) est perpendiculaire à l'essieu (21).4 / Device according to one of claims 1 to 3, characterized in that the motor output shaft (14) is perpendicular to the axle (21). 5/ Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que l'arbre de sortie du moteur est parallèle à l'essieu (21).5 / Device according to one of claims 1 to 3, characterized in that the motor output shaft is parallel to the axle (21). 6/ Dispositif selon l'une des revendications 1 à 5, caractérisé en ce qu'un disque de freinage (22) est disposé sur l'arbre du moteur.6 / Device according to one of claims 1 to 5, characterized in that a brake disc (22) is arranged on the motor shaft.
EP90121582A 1989-11-14 1990-11-12 Driving device for independently rotating wheels of a railway vehicle with driving shaft Expired - Lifetime EP0428091B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8914915 1989-11-14
FR8914915A FR2654402B1 (en) 1989-11-14 1989-11-14 DEVICE FOR DRIVING INDEPENDENT WHEELS IN ROTATION OF A RAILWAY VEHICLE WITH A MOTOR AXLE.

Publications (2)

Publication Number Publication Date
EP0428091A1 true EP0428091A1 (en) 1991-05-22
EP0428091B1 EP0428091B1 (en) 1993-09-08

Family

ID=9387381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90121582A Expired - Lifetime EP0428091B1 (en) 1989-11-14 1990-11-12 Driving device for independently rotating wheels of a railway vehicle with driving shaft

Country Status (7)

Country Link
EP (1) EP0428091B1 (en)
AT (1) ATE94129T1 (en)
DE (1) DE69003223T2 (en)
DK (1) DK0428091T3 (en)
ES (1) ES2044374T3 (en)
FR (1) FR2654402B1 (en)
PT (1) PT95880B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
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
WO2015198162A1 (en) 2014-06-23 2015-12-30 Ab Consulting S.A.S. Di Andrea Bracciali & C. Railway wheelset with partially independent wheels
EP2960132A1 (en) 2014-06-23 2015-12-30 AB Consulting S.A.S. di Andrea Bracciali & C. Railway wheelset with partially independent wheels
CN106343927A (en) * 2016-10-18 2017-01-25 安徽工程大学 Automatic stairs climbing and stairs step sweeping device
WO2018002210A1 (en) * 2016-07-01 2018-01-04 Zapadoceska Univerzita V Plzni Compact drive unit for traction vehicles

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103381839A (en) * 2013-06-28 2013-11-06 长春轨道客车股份有限公司 Driving mechanism with single motor and coaxial two wheels for 100% low-floor light rail rigid wheel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014433A (en) * 1958-06-25 1961-12-26 Durand Francois Two-axle drive for trams and other vehicles
FR2604676A1 (en) * 1986-10-04 1988-04-08 Gutehoffnungshuette Man VEHICLE WITH MULTIPLE TRACK ELEMENTS FOR TRAFFIC ON SMALL DISTANCES
EP0263793A2 (en) * 1986-10-06 1988-04-13 FIAT FERROVIARIA SAVIGLIANO S.p.A. Twin-engined central bogie for low-floored rail vehicles with two or more articulated bodies

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014433A (en) * 1958-06-25 1961-12-26 Durand Francois Two-axle drive for trams and other vehicles
FR2604676A1 (en) * 1986-10-04 1988-04-08 Gutehoffnungshuette Man VEHICLE WITH MULTIPLE TRACK ELEMENTS FOR TRAFFIC ON SMALL DISTANCES
EP0263793A2 (en) * 1986-10-06 1988-04-13 FIAT FERROVIARIA SAVIGLIANO S.p.A. Twin-engined central bogie for low-floored rail vehicles with two or more articulated bodies

Cited By (10)

* Cited by examiner, † Cited by third party
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
WO2015198162A1 (en) 2014-06-23 2015-12-30 Ab Consulting S.A.S. Di Andrea Bracciali & C. Railway wheelset with partially independent wheels
EP2960132A1 (en) 2014-06-23 2015-12-30 AB Consulting S.A.S. di Andrea Bracciali & C. Railway wheelset with partially independent wheels
WO2018002210A1 (en) * 2016-07-01 2018-01-04 Zapadoceska Univerzita V Plzni Compact drive unit for traction vehicles
CN109415070A (en) * 2016-07-01 2019-03-01 西波希米亚大学 Compact driving unit for towing vehicle
CN109415070B (en) * 2016-07-01 2020-12-08 西波希米亚大学 Compact drive unit for a railway traction vehicle
US11233440B2 (en) 2016-07-01 2022-01-25 Wikov Mgi A.S. Compact drive unit for traction vehicles
CN106343927A (en) * 2016-10-18 2017-01-25 安徽工程大学 Automatic stairs climbing and stairs step sweeping device
CN106343927B (en) * 2016-10-18 2021-11-23 安徽工程大学 Device for automatically climbing stairs and cleaning stairs steps

Also Published As

Publication number Publication date
DK0428091T3 (en) 1994-01-31
DE69003223D1 (en) 1993-10-14
FR2654402A1 (en) 1991-05-17
PT95880A (en) 1992-07-31
EP0428091B1 (en) 1993-09-08
ATE94129T1 (en) 1993-09-15
DE69003223T2 (en) 1994-01-05
ES2044374T3 (en) 1994-01-01
FR2654402B1 (en) 1992-01-10
PT95880B (en) 1998-07-31

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