EP0161728A1 - Bogie system for a rail vehicle - Google Patents
Bogie system for a rail vehicle Download PDFInfo
- Publication number
- EP0161728A1 EP0161728A1 EP85200768A EP85200768A EP0161728A1 EP 0161728 A1 EP0161728 A1 EP 0161728A1 EP 85200768 A EP85200768 A EP 85200768A EP 85200768 A EP85200768 A EP 85200768A EP 0161728 A1 EP0161728 A1 EP 0161728A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- trucks
- undercar
- steering
- truck
- anyone
- 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
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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
- 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
- B61F5/42—Adjustment controlled by buffer or coupling gear
Definitions
- the invention relates to an undercar system for a railway vehicle comprising a plurality of single-axled trucks, which are intercoupled by means of steering means for directing at least one wheel axle towards the bow centre.
- Such a undercar system is known and employed in the Talgo train.
- Each truck located between two car bodies is provided at each wheel axle bearing with a vertical lever.
- these levers together with steering rodspivotable at both ends and connected with the adjacent car bodies these levers constitute a complete steering system arranged in two vertical planes.
- In travelling through an arc ranging is performed on the inner side which shortenes the steering system on the inner side, whereas on the outer side of the arc the lever system concerned is ranged out.
- the steering means of this known undercar system comprise many pivots.
- the invention has for its object to reduce the required number of pivots in an undercar system of the aforesaid king whilst maintaining a satisfactory directional action of the axles.
- At least one intermediate truck arranged between other trucks, is connected by means of long lever beam arms of steering beams with two other intermediate trucks, whilst short lever beam arms of these steering beams are pivotally interconnected and these two steering beams are pivotally connected between their long and short lever beam arms with the intermediate truck.
- At least one steering beam interconnects two successive trucks short-circuiting each body carried by these trucks.
- at least one steering beam interconnects two successive trucks short-circuiting each body carried by these trucks.
- the relative distances between a truck and next trucks may be unequal to one another, when the arm lengths p and g of lever arms of the two intermediate running works are unequal whilst their lengths p and g are chosen in dependence of the unequal distances.
- the axles can be arranged below the car bodies at the most favourable places so that the free space profile is used as satisfactorily as possible.
- the car bodies can be somewhat broader and shorter, so that a more efficient arrangement of seats in the car bodies can be realised.
- the system described is suitable for a distribution of trucks below car bodies in a manner such that with adapted car body lengths a largest possible building width becomes possible within the limitations of the cinematic building profile.
- the wheel sets need not be arranged below the car body ends and this has an advantageous effect of oscillation behaviour of the car body.
- the first and the second truck are disposed near one another and movably interconnected by means of a coupling mechanism and the first truck with the second and the third truck has a prolongation extending beyond the coupling mechanism, which is pivotally connected with a short lever beam arm of a steering beam.
- the rail vehicle 11 shown in Figs. 1 to 3 comprises three intercoupled car bodies 12 carried by an undercar system 9 embodying the invention, comprising a plurality - in this example eight - of uniaxled trucks numerated in order of succession from the left-hand end indicated in the drawing by 1, 2, 3, 4, 5, 6, 7 and 8.
- Each truck 1 to 8 comprises a frame 10 with two pivotal arms 14 journalled theron and carrying each an axle bearing 15 holding a wheel axle 16 formed by an axle 17 and two wheels 18 rigidly secured thereto.
- the frame 10 is bearing by means of spring packets 19 on the pivotal arms 14. Via air springs 20 and rubber springs 21 positioned in series therewith the frame 10 supports the car body 12 located above the same.
- the trucks 1 to 8 are coupled with one another by means of steering means 24 for directing the wheel axles 16 towards a bow centre of the passed rail bow.
- the steering means 24 comprise steering beams 27 which couple with one another the intermediate trucks 2, 3, 4, 5, 6 and 7 disposed each between two other trucks by means of their long lever arms 28.
- each intermediate truck 3 to 6 comprises a spherical pivot 31 formed by a ball pivot, the ball 33 of which is embraced in a rubber layer 34, which allows some axial movement of the steering beam 27 relatively to the frame 10.
- the spherical pivot 32 of Fig. 8 comprises a bridge piece 37 connected by means of rubber blocks 36 to longitudinal beams 35 of a frame 10 and extending transversely of a steering beam 27.
- a pin 38 passes through ears 39 of the frame 10 and through a rubber block 36, so that the bridge piece 37 can slightly tilt about a horizontal axis 59 located at a higher level than the steering beam.
- the bridge piece 37 has a lower piece 40 accommodating a ball pivot 41, which is not provided with rubber spring cushions and is engaged between two inner walls 42 of the steering beam 27 through a pivot pin 43. This ensures a rigid pivot in transverse direction between the steering beam 27 with respect to the frame 10 is enabled by the turn of the bridge piece 37 about the axis line 59.
- Each car body 12 is coupled by means of a coupling rod 49 (Fig. 3) with a steering beam 27.
- the steering beam 27 is entirely loose from each car body 12 carried by the coupled trucks 3 to 6 or in other words the trucks are mechanicaly interconnected while short-circuiting each car body 12. As a result movement of the car body 12 cannot disturb the action of the steering means 24.
- the trucks 1 and 8 are identical to one another.
- the trucks 2 and 7 are also identical to one another, so that hereinafter only the trucks 1 and 2 will be described.
- the frame 10 of the undercar is provided with a pole 44, which is coupled by means of a spherical pivot 30 with the short lever beam arm 29 of the steering beam 27, which is pivotally connected with the frame 10 of the undercar 2 by means of a spherical pivot 31.
- the trucks 1 and 2 are disposed near one another and movably connected with one another by means of the coupling mechanism 45 consisting of a bridge piece 47 corresponding with the bridge piece 37 and extending transversely of the direction of movement 46, said bridge piece 47 being pivotally connected both to the first and the second truck 1 and 2 by means of spherical pivots 48.
- the pole 44 constitutes a prolongation of the frame 10 extending beyond the coupling mechanism 45 of the truck 1.
- the wheel axles 16 of the trucks 1 to 8 have pitch distances a l to a 7 (see fig. 1).
- the places of the pivots 30, 31 and 32 in the intermediate trucks 3, 4, 5 and 6 are determined as follows.
- the pivots 31 and 32 are disposed on both sides of the wheel axle 16 at a relative distance 2v.
- the wheel axle 16 has an eccentrical shift e with respect to the middle of the distance 2v. In figs. 1 to 8 e is equal to v.
- e In the case the eccentricity e for the intermediate trucks 3 and 5 is directed to the right and for the intermediate trucks 4 and 6 to the left as shown in the situation of fig.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Chain Conveyers (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
- The invention relates to an undercar system for a railway vehicle comprising a plurality of single-axled trucks, which are intercoupled by means of steering means for directing at least one wheel axle towards the bow centre.
- Such a undercar system is known and employed in the Talgo train. Each truck located between two car bodies is provided at each wheel axle bearing with a vertical lever. Together with steering rodspivotable at both ends and connected with the adjacent car bodies these levers constitute a complete steering system arranged in two vertical planes. In travelling through an arc ranging is performed on the inner side which shortenes the steering system on the inner side, whereas on the outer side of the arc the lever system concerned is ranged out. The steering means of this known undercar system comprise many pivots.
- The invention has for its object to reduce the required number of pivots in an undercar system of the aforesaid king whilst maintaining a satisfactory directional action of the axles.
- This object is achieved in that at least one intermediate truck, arranged between other trucks, is connected by means of long lever beam arms of steering beams with two other intermediate trucks, whilst short lever beam arms of these steering beams are pivotally interconnected and these two steering beams are pivotally connected between their long and short lever beam arms with the intermediate truck.
- Consequently there is only one train of horizontal steering beams, which drastically reduces the number of pivots. Preferably at least one steering beam interconnects two successive trucks short-circuiting each body carried by these trucks. As a result, at a number of places or even as a whole pivots are omitted for coupling steering beams with the car bodies which additionally reduces the required number of pivots of the steering train.
- This has moreover the advantage that the steering effect of the undercar system is now less disturbed by movements of the car body with respect to the undercar.
- When the steering beams are connected with one another and with the trucks by means of spherical pivots, sloping variations of the truck affect the steering effect of the undercar system to a lesser extent.
- The relative distances between a truck and next trucks may be unequal to one another, when the arm lengths p and g of lever arms of the two intermediate running works are unequal whilst their lengths p and g are chosen in dependence of the unequal distances. In this way the axles can be arranged below the car bodies at the most favourable places so that the free space profile is used as satisfactorily as possible. Now the car bodies can be somewhat broader and shorter, so that a more efficient arrangement of seats in the car bodies can be realised.
- The system described is suitable for a distribution of trucks below car bodies in a manner such that with adapted car body lengths a largest possible building width becomes possible within the limitations of the cinematic building profile. The wheel sets need not be arranged below the car body ends and this has an advantageous effect of oscillation behaviour of the car body.
- In order to realise the advantages of the invention to an even greater extent in relation to wheel sets arranged at the ends of the rail vehicle - in the order of succession of the uniaxled trucks of this undercar system viewed from the end - the first and the second truck are disposed near one another and movably interconnected by means of a coupling mechanism and the first truck with the second and the third truck has a prolongation extending beyond the coupling mechanism, which is pivotally connected with a short lever beam arm of a steering beam.
- The aforesaid and further features of the invention will be illucidated hereinafter by way of example with reference to a drawing.
- The drawing schematically shows in:
- Figs. 1, 2 and 3 a side view, a horizontal sectional view and a bottom view respectively of a rail vehicle embodying the invention,
- Fig. 4 an enlarged perspective view of detail IV of Fig. 3,
- Fig. 5 an enlarged plan view of detail V of Fig. 3,
- Fig. 6 a sectional view taken on the line VI-VI of Fig. 5,
- Figs. 7 and 8 a enlarged sectional view taken on the lines VII-VII and VIII-VIII respectively of Fig. 4,
- Fig. 9 on an enlarged scale a diagram of a fraction of the steering means of the undercar system of Figs. 1 to 8, and
- Fig. 10 a plan view of the detail of Fig. 4, tracting and breaking means being added thereto.
- The
rail vehicle 11 shown in Figs. 1 to 3 comprises three intercoupledcar bodies 12 carried by an undercar system 9 embodying the invention, comprising a plurality - in this example eight - of uniaxled trucks numerated in order of succession from the left-hand end indicated in the drawing by 1, 2, 3, 4, 5, 6, 7 and 8. Each truck 1 to 8 comprises aframe 10 with twopivotal arms 14 journalled theron and carrying each an axle bearing 15 holding awheel axle 16 formed by anaxle 17 and twowheels 18 rigidly secured thereto. - The
frame 10 is bearing by means ofspring packets 19 on thepivotal arms 14. Viaair springs 20 andrubber springs 21 positioned in series therewith theframe 10 supports thecar body 12 located above the same. - The trucks 1 to 8 are coupled with one another by means of steering means 24 for directing the
wheel axles 16 towards a bow centre of the passed rail bow. - The steering means 24 comprise
steering beams 27 which couple with one another theintermediate trucks long lever arms 28. -
Short lever arms 29 of thesesteering beams 27 are relatively articulated by means ofspherical pivots 30. Thesteering beams 27 are pivotally connected between their long and short leer arms to theintermediate trucks 2 to 7 by means ofspherical pivots 31 to 32. Fig. 3 shows that eachintermediate truck 3 to 6 comprises aspherical pivot 31 formed by a ball pivot, theball 33 of which is embraced in arubber layer 34, which allows some axial movement of thesteering beam 27 relatively to theframe 10. - The
spherical pivot 32 of Fig. 8 comprises abridge piece 37 connected by means of rubber blocks 36 tolongitudinal beams 35 of aframe 10 and extending transversely of asteering beam 27. - A
pin 38 passes throughears 39 of theframe 10 and through a rubber block 36, so that thebridge piece 37 can slightly tilt about ahorizontal axis 59 located at a higher level than the steering beam. Thebridge piece 37 has alower piece 40 accommodating aball pivot 41, which is not provided with rubber spring cushions and is engaged between twoinner walls 42 of thesteering beam 27 through apivot pin 43. This ensures a rigid pivot in transverse direction between thesteering beam 27 with respect to theframe 10 is enabled by the turn of thebridge piece 37 about theaxis line 59. Eachcar body 12 is coupled by means of a coupling rod 49 (Fig. 3) with asteering beam 27. - It should be noted that the
steering beam 27 is entirely loose from eachcar body 12 carried by the coupledtrucks 3 to 6 or in other words the trucks are mechanicaly interconnected while short-circuiting eachcar body 12. As a result movement of thecar body 12 cannot disturb the action of the steering means 24. - The trucks 1 and 8 are identical to one another. The
trucks 2 and 7 are also identical to one another, so that hereinafter only thetrucks 1 and 2 will be described. - With respect to wheel axle bearing and springs for supporting the
car bodies 12 there is no principal difference between thetrucks 1 and 2 on the one hand and thetrucks 3 to 6 on the other hand. - The
frame 10 of the undercar is provided with a pole 44, which is coupled by means of aspherical pivot 30 with the shortlever beam arm 29 of thesteering beam 27, which is pivotally connected with theframe 10 of theundercar 2 by means of aspherical pivot 31. Thetrucks 1 and 2 are disposed near one another and movably connected with one another by means of thecoupling mechanism 45 consisting of a bridge piece 47 corresponding with thebridge piece 37 and extending transversely of the direction of movement 46, said bridge piece 47 being pivotally connected both to the first and thesecond truck 1 and 2 by means ofspherical pivots 48. The pole 44 constitutes a prolongation of theframe 10 extending beyond thecoupling mechanism 45 of the truck 1. - The wheel axles 16 of the trucks 1 to 8 have pitch distances al to a7 (see fig. 1).
- The places of the
pivots intermediate trucks pivots wheel axle 16 at arelative distance 2v. Thewheel axle 16 has an eccentrical shift e with respect to the middle of thedistance 2v. In figs. 1 to 8 e is equal to v. In the case the eccentricity e for theintermediate trucks intermediate trucks 4 and 6 to the left as shown in the situation of fig. 9 the following formulae apply to the short arm J2 and g:truck 2 thepivot 21 has a distance d to thewheel axle 3; when thepivotal mechanism 45 is located in the middle piece between thewheel axles 3 of thetrucks 1 and 2; and when the lengths of the shortlever beam arms 29 located on the right side of thepivots 30 are designated by p and the lengths of the otherlever beam arms 29 by g and also at the outer trucks 1 and 8 the distance of thepivot 30 to thewheel axle 16 by g; the following formulae apply:
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85200768T ATE36287T1 (en) | 1984-05-14 | 1985-05-14 | UNDERCARRIAGE SYSTEM FOR RAIL VEHICLES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8401549A NL8401549A (en) | 1984-05-14 | 1984-05-14 | RUNNING SYSTEM FOR A RAIL VEHICLE. |
NL8401549 | 1984-05-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0161728A1 true EP0161728A1 (en) | 1985-11-21 |
EP0161728B1 EP0161728B1 (en) | 1988-08-10 |
Family
ID=19843949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85200768A Expired EP0161728B1 (en) | 1984-05-14 | 1985-05-14 | Bogie system for a rail vehicle |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0161728B1 (en) |
AT (1) | ATE36287T1 (en) |
DE (1) | DE3564234D1 (en) |
NL (1) | NL8401549A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0262698A1 (en) * | 1986-08-06 | 1988-04-06 | Ascan A/S | Railroad car with driving bogies |
DE19507021C2 (en) * | 1995-03-01 | 1999-12-16 | Wax Ebeling Juergen | Chassis for railway vehicles |
ES2164497A1 (en) * | 1997-03-20 | 2002-02-16 | Y Desarrollos Ferroviarios 1 S | Improvements introduced in a bogie for merchandise wagons. |
CN101204963B (en) * | 2006-12-22 | 2010-05-12 | 西南交通大学 | Independent wheel direct single axis bogie flexible coupling radial adjusting agency |
DE102018213943A1 (en) * | 2018-08-17 | 2020-02-20 | Siemens Mobility GmbH | Car body with connection arrangement and car arrangement |
DE102018133153A1 (en) * | 2018-12-20 | 2020-06-25 | Bombardier Transportation Gmbh | CHASSIS DEVICE FOR A RAIL VEHICLE |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1153641A (en) * | 1955-04-25 | 1958-03-19 | Talgo Patentes | Axle coupling and steering device for railways |
US2908233A (en) * | 1952-11-22 | 1959-10-13 | Acf Ind Inc | Spring suspension for lightweight vehicle |
DE1102795B (en) * | 1957-06-08 | 1961-03-23 | Esslingen Maschf | Articulated trams, in particular articulated trams |
US3249066A (en) * | 1962-09-18 | 1966-05-03 | Talgo Patentes | Actuating device for combined wheel guidance and axle orientation in railroad vehicles |
DE1236348B (en) * | 1960-03-23 | 1967-03-09 | Linke Hofmann Busch | Single-axle drive for road and rail vehicles |
US3354836A (en) * | 1965-10-22 | 1967-11-28 | Midland Ross Corp | Articulated railway vehicle |
-
1984
- 1984-05-14 NL NL8401549A patent/NL8401549A/en not_active Application Discontinuation
-
1985
- 1985-05-14 AT AT85200768T patent/ATE36287T1/en active
- 1985-05-14 EP EP85200768A patent/EP0161728B1/en not_active Expired
- 1985-05-14 DE DE8585200768T patent/DE3564234D1/en not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2908233A (en) * | 1952-11-22 | 1959-10-13 | Acf Ind Inc | Spring suspension for lightweight vehicle |
FR1153641A (en) * | 1955-04-25 | 1958-03-19 | Talgo Patentes | Axle coupling and steering device for railways |
DE1102795B (en) * | 1957-06-08 | 1961-03-23 | Esslingen Maschf | Articulated trams, in particular articulated trams |
DE1236348B (en) * | 1960-03-23 | 1967-03-09 | Linke Hofmann Busch | Single-axle drive for road and rail vehicles |
US3249066A (en) * | 1962-09-18 | 1966-05-03 | Talgo Patentes | Actuating device for combined wheel guidance and axle orientation in railroad vehicles |
US3354836A (en) * | 1965-10-22 | 1967-11-28 | Midland Ross Corp | Articulated railway vehicle |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0262698A1 (en) * | 1986-08-06 | 1988-04-06 | Ascan A/S | Railroad car with driving bogies |
DE19507021C2 (en) * | 1995-03-01 | 1999-12-16 | Wax Ebeling Juergen | Chassis for railway vehicles |
ES2164497A1 (en) * | 1997-03-20 | 2002-02-16 | Y Desarrollos Ferroviarios 1 S | Improvements introduced in a bogie for merchandise wagons. |
CN101204963B (en) * | 2006-12-22 | 2010-05-12 | 西南交通大学 | Independent wheel direct single axis bogie flexible coupling radial adjusting agency |
DE102018213943A1 (en) * | 2018-08-17 | 2020-02-20 | Siemens Mobility GmbH | Car body with connection arrangement and car arrangement |
DE102018133153A1 (en) * | 2018-12-20 | 2020-06-25 | Bombardier Transportation Gmbh | CHASSIS DEVICE FOR A RAIL VEHICLE |
Also Published As
Publication number | Publication date |
---|---|
DE3564234D1 (en) | 1988-09-15 |
EP0161728B1 (en) | 1988-08-10 |
NL8401549A (en) | 1985-12-02 |
ATE36287T1 (en) | 1988-08-15 |
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