EP0132236B1 - Transmission for motorised bogies of railway vehicles - Google Patents
Transmission for motorised bogies of railway vehicles Download PDFInfo
- Publication number
- EP0132236B1 EP0132236B1 EP84830186A EP84830186A EP0132236B1 EP 0132236 B1 EP0132236 B1 EP 0132236B1 EP 84830186 A EP84830186 A EP 84830186A EP 84830186 A EP84830186 A EP 84830186A EP 0132236 B1 EP0132236 B1 EP 0132236B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axle
- gearbox
- pinion
- transmission shaft
- transmission
- 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
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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
- B61C9/48—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
Definitions
- the present invention relates generally to motorised bogies for railway vehicles.
- the invention concerns a transmission for a motorised bogie with a motor- driven axle unit driven by an electric motor,- supported by the frame of the bogie, through a transmission shaft one end of which is connected to the axle of the axle unit through a gearbox supported by the frame of the bogie or by the axle unit.
- the gearbox contains a pinion rotatably supported in the said box and a gear wheel keyed to the axle and meshing with the said pinion, and the connection between the transmission shaft . and the pinion is effected by a toothed coupling.
- Transmissions of this kind are used, inter alia, on the motorised bogies of electric locomotives, the motor of which, supported by the bogie frame, has a hollow shaft, generally parallel to the axle of the axle unit, which is traversed axially, with clearance, by the transmission shaft.
- the transmission shaft is coupled at one end, in a traditional manner, to the hollow shaft through the said toothed coupling, and at the other end to the said pinion through a flexible or articulated coupling so as to allow the necessary relative angular displacements between the axle and the hollow shaft of the motor.
- the toothed coupling is therefore situated on the side opposite the gearbox, and is inserted within a suitable protective housing into which the appropriate lubricant is injected.
- the object of the present invention is that of avoiding the said disadvantage and this object is achieved by virtue of the fact that in a transmission for motorised bogies of railway vehicles of the kind defined above, the said toothed coupling is fitted into the gearbox and is lubricated by the same lubricant as the latter.
- reference numeral 10 indicates in its entirety one of the axle units of a motorised bogie, the axle 12 of which bearing the wheels 14 is connected by bushes to the frame, not shown in the drawings, of the bogie.
- gear wheel 16 housed within a gearbox 18 articulated, in a manner known per se, to the bogie frame.
- the gear wheel 16 meshes with a pinion 20 rotatably supported on roller bearings 22 within the gearbox 18.
- Indicated diagrammatically at 24 is an electric traction motor supported by the bogie frame, the shaft of which, illustrated diagrammatically at 26, is disposed generally parallel to the axle 12 of the axle unit 10, and is hollow.
- the shaft 26 is traversed, with radial clearance, by a transmission shaft 28, the end 28a of which, remote from the gearbox 18, is coupled to the corresponding end of the hollow shaft 26, by means of a coupling with elastic inserts, or an articulated joint 30, of traditional kind.
- the other end 28b of the transmission shaft 28 is coupled for rotation with the pinion 20 by a toothed coupling 32 located within an appendage 34 of the gearbox 18.
- the transmission of drive from the hollow shaft 26 of the electric motor 24 to the axle 12 of the axle unit 10 takes place through the flexible coupling 30, the transmission shaft 28, the toothed coupling 32, the pinion 20 and the gear wheel 16 which allows, during travel of the bogie, the necessary vertical, longitudinal and lateral movements of the axle unit 10 in relation to the hollow shaft 26.
- lubrication of the toothed coupling 32 is effected by using the same lubricating oil as that used for the gears 16 and 20 circulating in the gearbox 18. This makes it possible to have better, more efficient, lubrication of the toothed coupling 22, and to avoid having to carry out additional lubrication level checks of the said coupling 32, as happens on the other hand in the case of known transmissions, described above, in which the toothed coupling is lubricated autonomously and separately.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Handcart (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
- The present invention relates generally to motorised bogies for railway vehicles.
- More particularly, the invention concerns a transmission for a motorised bogie with a motor- driven axle unit driven by an electric motor,- supported by the frame of the bogie, through a transmission shaft one end of which is connected to the axle of the axle unit through a gearbox supported by the frame of the bogie or by the axle unit. The gearbox contains a pinion rotatably supported in the said box and a gear wheel keyed to the axle and meshing with the said pinion, and the connection between the transmission shaft . and the pinion is effected by a toothed coupling.
- Transmissions of this kind are used, inter alia, on the motorised bogies of electric locomotives, the motor of which, supported by the bogie frame, has a hollow shaft, generally parallel to the axle of the axle unit, which is traversed axially, with clearance, by the transmission shaft. In such locomotives the transmission shaft is coupled at one end, in a traditional manner, to the hollow shaft through the said toothed coupling, and at the other end to the said pinion through a flexible or articulated coupling so as to allow the necessary relative angular displacements between the axle and the hollow shaft of the motor.
- In motorised bogies of vehicles of this kind the toothed coupling is therefore situated on the side opposite the gearbox, and is inserted within a suitable protective housing into which the appropriate lubricant is injected.
- With this solution, lubrication of the toothed coupling is separate and distinct from that of the gearbox, with the disadvantage that it needs a separate supplementary check during the bogie maintenance.
- The object of the present invention is that of avoiding the said disadvantage and this object is achieved by virtue of the fact that in a transmission for motorised bogies of railway vehicles of the kind defined above, the said toothed coupling is fitted into the gearbox and is lubricated by the same lubricant as the latter.
- One thus has the advantage of a better and more reliable lubrication and of simplification in the lubricant-level checking operations.
- The invention will now be described in detail with reference to the accompanying drawing, supplied purely by way of non-restrictive example, which is a diagrammatic plan view, partly sectioned, of a part of a motorised bogie according to the invention.
- In the example illustrated,
reference numeral 10 indicates in its entirety one of the axle units of a motorised bogie, theaxle 12 of which bearing thewheels 14 is connected by bushes to the frame, not shown in the drawings, of the bogie. - In proximity to one end of the
axle 12 there is keyed agear wheel 16 housed within agearbox 18 articulated, in a manner known per se, to the bogie frame. - The
gear wheel 16 meshes with apinion 20 rotatably supported onroller bearings 22 within thegearbox 18. - Indicated diagrammatically at 24 is an electric traction motor supported by the bogie frame, the shaft of which, illustrated diagrammatically at 26, is disposed generally parallel to the
axle 12 of theaxle unit 10, and is hollow. - The
shaft 26 is traversed, with radial clearance, by atransmission shaft 28, theend 28a of which, remote from thegearbox 18, is coupled to the corresponding end of thehollow shaft 26, by means of a coupling with elastic inserts, or an articulatedjoint 30, of traditional kind. - The
other end 28b of thetransmission shaft 28 is coupled for rotation with thepinion 20 by atoothed coupling 32 located within anappendage 34 of thegearbox 18. - In operation, the transmission of drive from the
hollow shaft 26 of theelectric motor 24 to theaxle 12 of theaxle unit 10 takes place through theflexible coupling 30, thetransmission shaft 28, thetoothed coupling 32, thepinion 20 and thegear wheel 16 which allows, during travel of the bogie, the necessary vertical, longitudinal and lateral movements of theaxle unit 10 in relation to thehollow shaft 26. - Thanks to the above described structure, lubrication of the
toothed coupling 32 is effected by using the same lubricating oil as that used for thegears gearbox 18. This makes it possible to have better, more efficient, lubrication of thetoothed coupling 22, and to avoid having to carry out additional lubrication level checks of the saidcoupling 32, as happens on the other hand in the case of known transmissions, described above, in which the toothed coupling is lubricated autonomously and separately.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84830186T ATE50217T1 (en) | 1983-07-15 | 1984-06-20 | POWER TRANSMISSION FOR RAIL VEHICLE BOGIES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67768/83A IT1162908B (en) | 1983-07-15 | 1983-07-15 | TRANSMISSION FOR MOTOR TRUCKS OF RAILWAY VEHICLES |
IT6776883 | 1983-07-15 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0132236A2 EP0132236A2 (en) | 1985-01-23 |
EP0132236A3 EP0132236A3 (en) | 1987-04-15 |
EP0132236B1 true EP0132236B1 (en) | 1990-02-07 |
Family
ID=11305144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84830186A Expired - Lifetime EP0132236B1 (en) | 1983-07-15 | 1984-06-20 | Transmission for motorised bogies of railway vehicles |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0132236B1 (en) |
AT (1) | ATE50217T1 (en) |
DE (1) | DE3481299D1 (en) |
IT (1) | IT1162908B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4003165A1 (en) * | 1990-02-03 | 1991-08-22 | Thyssen Industrie | DRIVE FOR RAIL VEHICLES |
DE19531956A1 (en) * | 1995-08-30 | 1997-03-06 | Siemens Ag | Independent wheel drive for an electrically powered vehicle |
DE19613665A1 (en) * | 1996-04-04 | 1997-10-09 | Siemens Ag | Independent wheel drive for an electrically powered vehicle |
DE10050757A1 (en) * | 2000-10-13 | 2002-04-25 | Zahnradfabrik Friedrichshafen | Drive unit for rail vehicles |
DE10117749A1 (en) | 2001-04-09 | 2002-11-21 | Siemens Ag | Vehicle drive with curved tooth coupling |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL63885C (en) * | 1943-08-27 | |||
DE838452C (en) * | 1949-12-06 | 1952-05-08 | Duesseldorfer Waggonfabrik Ag | Electric drive for two-axle tram driving frames, the wheel sets of which are driven by only one motor mounted on the wheel sets via angular gears fixed on the motor |
DE2657575C3 (en) * | 1976-12-18 | 1982-03-25 | Carl Hurth Maschinen- und Zahnradfabrik GmbH & Co, 8000 München | Parallel shaft drive |
-
1983
- 1983-07-15 IT IT67768/83A patent/IT1162908B/en active
-
1984
- 1984-06-20 EP EP84830186A patent/EP0132236B1/en not_active Expired - Lifetime
- 1984-06-20 DE DE8484830186T patent/DE3481299D1/en not_active Revoked
- 1984-06-20 AT AT84830186T patent/ATE50217T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE50217T1 (en) | 1990-02-15 |
EP0132236A3 (en) | 1987-04-15 |
IT8367768A0 (en) | 1983-07-15 |
DE3481299D1 (en) | 1990-03-15 |
IT1162908B (en) | 1987-04-01 |
EP0132236A2 (en) | 1985-01-23 |
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