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EP0571961A1 - Bogie pour un véhicule ferroviaire avec moteurs directs et réducteurs suspendus du châssis - Google Patents

Bogie pour un véhicule ferroviaire avec moteurs directs et réducteurs suspendus du châssis Download PDF

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Publication number
EP0571961A1
EP0571961A1 EP93108449A EP93108449A EP0571961A1 EP 0571961 A1 EP0571961 A1 EP 0571961A1 EP 93108449 A EP93108449 A EP 93108449A EP 93108449 A EP93108449 A EP 93108449A EP 0571961 A1 EP0571961 A1 EP 0571961A1
Authority
EP
European Patent Office
Prior art keywords
bogie
chassis
axle
wheel
motor
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
EP93108449A
Other languages
German (de)
English (en)
Other versions
EP0571961B1 (fr
Inventor
Giuseppe Chiodi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0571961A1 publication Critical patent/EP0571961A1/fr
Application granted granted Critical
Publication of EP0571961B1 publication Critical patent/EP0571961B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61F3/16—Types of bogies with a separate axle for each wheel
    • 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
    • B61C9/50—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 in bogies
    • 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

Definitions

  • the present invention relates to a bogie for railway vehicles, including vehicles for light or conventional metropolitan networks.
  • Such a transmission normally includes a reduction unit and one or more couplings operable to compensate for relative movements between the motor and the axles.
  • the object of the invention is to provide a bogie for railway vehicles which is extremely simple and safe in operation, and eliminates the disadvantages of prior art bogies listed above.
  • the bogie for railway vehicles which includes a rigid chassis, at least two pairs of wheels with each wheel fixed to a corresponding axle, at least one of the wheels being driven by a corresponding drive motor, and which also includes resilient suspension means between the chassis and the axles, and is characterised in that a structure is provided between the chassis and the axle of the at least one driven wheel, the structure being mounted by means of an articulation pin on the chassis and connected thereto by the suspension means, the said motor being arranged with its centre of gravity lying substantially on the axis of the articulation pin.
  • Such a bogie achieves the result of carrying the weight of the drive motor, or motors, so that they are entirely suspended while a considerable portion of the weight of the reduction unit is also suspended so that the transmission means do not have to absorb relative movements between the axle and the chassis due to the primary suspension of the bogie.
  • the invention thus simplifies the problem, enabling the motor to be entirely suspended, the reduction unit to be semi-suspended and the drive to be transmitted directly from the motor to the reduction unit and from this to the wheel.
  • the chassis of a railway bogie is generally indicated 5 and includes a pair of robust symmetrical longitudinal members 6, of inverted-U shape, of which only part of one is visible in the drawings.
  • the longitudinal members 6 are connected to each other by at least two cross-members 4, each of which may be shaped, for example, like a tubular bar.
  • the bogie includes two pairs of wheels 10.
  • One end of a longitudinal member 6 is illustrated schematically in the drawings and a structure 8, commonly known as a "reduction unit” and which acts as a wishbone, is fixed to the said end by means of an articulation pin 7.
  • the structure 8 encloses a speed reducer 20 and houses bearings 14 and 15 carrying an axle 9 on which a wheel 10 is mounted.
  • the two wheels 10 are therefore independent. This is particularly useful both for high-speed railway vehicles and for vehicles for city and suburban lines which are often required to travel on tortuous networks.
  • the independent wheels 10 avoid the risk of snaking movements caused by the cone angle of the wheel rims and therefore avoid any resulting transverse instability of the bogie.
  • bogies with independent wheels 10 eliminate the anti-steering effect of the axle 9, which is due to the different developments of the inner and outer tracks 13, and therefore any longitudinal slippage between the wheels 10 and tracks 13. In this way, any annoying flats are eliminated from the rolling face of the wheel, thus reducing the need for expensive re-turning of the wheels 10.
  • a brake disc 16 is securely fixed to one end of the axle 9, in the case described the axle 9 inwards of the chassis 5.
  • a brake calliper 17, acting on the disc 16, is carried by the structure 8.
  • the usual primary suspension assembly for the bogie, generally indicated 11, is also fixed to the ends of the longitudinal members 6.
  • the assembly 11 includes, in particular, resilient suspension means of any type, operable to ensure the optimum suspension of the vehicle and acting through a fulcrum 21 on an arm 18 fixed to the structure 8.
  • a drive motor 12 for the wheel 10 is mounted on the side of the structure 8 ( Figure 1), its position being fixed so that its axis of rotation, on which its centre of gravity also lies, coincides with the axis of the pin 7 articulating the chassis 5 to the structure 8.
  • the speed reducer 20 is operable to reduce and transmit the rotation from the shaft of the motor 12 to the axle 9 and thereby to the wheel 10. Therefore the weight of the motor 12 bears only on the primary suspension 11.
  • the need is eliminated for any devices on the bogie to compensate for any relative movements between the motor 12 and the wheel 10 due to the primary suspension.
  • the geared drive transmission unit is carried by the same structure 8 as that which supports the motor 12, eliminates the need for devices to compensate for relative movements.
  • the structure 8 is perfectly adapted for the independent drive of each wheel 10 of the bogie, thereby satisfying the requirements of high-speed vehicles and those of suburban vehicles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Vehicle Body Suspensions (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
EP93108449A 1992-05-26 1993-05-25 Bogie pour un véhicule ferroviaire avec moteurs directs et réducteurs suspendus du châssis Expired - Lifetime EP0571961B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO920448A IT1257195B (it) 1992-05-26 1992-05-26 Carrello per veicoli ferrotranviari con motori di trazione e riduttorisospesi al telaio.
ITTO920448 1992-05-26

Publications (2)

Publication Number Publication Date
EP0571961A1 true EP0571961A1 (fr) 1993-12-01
EP0571961B1 EP0571961B1 (fr) 1997-08-06

Family

ID=11410489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93108449A Expired - Lifetime EP0571961B1 (fr) 1992-05-26 1993-05-25 Bogie pour un véhicule ferroviaire avec moteurs directs et réducteurs suspendus du châssis

Country Status (4)

Country Link
EP (1) EP0571961B1 (fr)
AT (1) ATE156437T1 (fr)
DE (1) DE69312803T2 (fr)
IT (1) IT1257195B (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4446043C1 (de) * 1994-12-22 1996-03-07 Siemens Ag Fahrwerk für Schienenfahrzeuge
DE19515588C1 (de) * 1995-04-27 1996-07-25 Siemens Ag Fahrwerk für Schienenfahrzeuge
WO1999056996A1 (fr) * 1998-04-30 1999-11-11 Zf Friedrichshafen Ag Bogie pour vehicules sur rails
US7082881B2 (en) 2003-01-27 2006-08-01 Ensco, Inc. Mount apparatus for mounting a measurement device on a rail car
CN102490744A (zh) * 2011-12-09 2012-06-13 中铁隧道装备制造有限公司 隧道工矿机车转向架
CN109318909A (zh) * 2017-12-22 2019-02-12 中车长春轨道客车股份有限公司 轨道列车及其电机悬吊机构
WO2021018498A1 (fr) * 2019-07-26 2021-02-04 Siemens Mobility GmbH Entraînement à axe unique et véhicule ferroviaire
WO2021073795A1 (fr) * 2019-10-18 2021-04-22 Siemens Mobility GmbH Ensemble de positionnement d'une roue de véhicule ferroviaire

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6821269B1 (en) 1998-05-01 2004-11-23 Roger Boulanger Sanitary absorbent article having flaps

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910392A1 (de) * 1979-03-16 1980-09-25 Thyssen Industrie Drehgestell fuer schienenfahrzeuge, insbesondere fuer strassenbahnen o.dgl.
EP0384512A2 (fr) * 1989-02-24 1990-08-29 So.C.I.Mi Societa Costruzioni Industriali Milano S.P.A. Bogie à usages multiples pour véhicule ferroviaire
EP0465346A1 (fr) * 1990-07-05 1992-01-08 Gec Alsthom Sa Bogie à roues indépendantes motorisées pour véhicule ferroviaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910392A1 (de) * 1979-03-16 1980-09-25 Thyssen Industrie Drehgestell fuer schienenfahrzeuge, insbesondere fuer strassenbahnen o.dgl.
EP0384512A2 (fr) * 1989-02-24 1990-08-29 So.C.I.Mi Societa Costruzioni Industriali Milano S.P.A. Bogie à usages multiples pour véhicule ferroviaire
EP0465346A1 (fr) * 1990-07-05 1992-01-08 Gec Alsthom Sa Bogie à roues indépendantes motorisées pour véhicule ferroviaire

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4446043C1 (de) * 1994-12-22 1996-03-07 Siemens Ag Fahrwerk für Schienenfahrzeuge
EP0718170A1 (fr) 1994-12-22 1996-06-26 Siemens Aktiengesellschaft Bogie pour véhicules ferroviaires
DE19515588C1 (de) * 1995-04-27 1996-07-25 Siemens Ag Fahrwerk für Schienenfahrzeuge
WO1999056996A1 (fr) * 1998-04-30 1999-11-11 Zf Friedrichshafen Ag Bogie pour vehicules sur rails
US6363861B1 (en) 1998-04-30 2002-04-02 Zf Friedrichshafen Ag Bogie for rail vehicles
US7082881B2 (en) 2003-01-27 2006-08-01 Ensco, Inc. Mount apparatus for mounting a measurement device on a rail car
CN102490744A (zh) * 2011-12-09 2012-06-13 中铁隧道装备制造有限公司 隧道工矿机车转向架
CN109318909A (zh) * 2017-12-22 2019-02-12 中车长春轨道客车股份有限公司 轨道列车及其电机悬吊机构
WO2021018498A1 (fr) * 2019-07-26 2021-02-04 Siemens Mobility GmbH Entraînement à axe unique et véhicule ferroviaire
WO2021073795A1 (fr) * 2019-10-18 2021-04-22 Siemens Mobility GmbH Ensemble de positionnement d'une roue de véhicule ferroviaire

Also Published As

Publication number Publication date
ITTO920448A0 (it) 1992-05-26
DE69312803D1 (de) 1997-09-11
ATE156437T1 (de) 1997-08-15
DE69312803T2 (de) 1998-03-12
IT1257195B (it) 1996-01-10
EP0571961B1 (fr) 1997-08-06
ITTO920448A1 (it) 1993-11-26

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