EP0177460A2 - Boggie à roues indépendantes pour véhicules ferroviaires - Google Patents
Boggie à roues indépendantes pour véhicules ferroviaires Download PDFInfo
- Publication number
- EP0177460A2 EP0177460A2 EP85830240A EP85830240A EP0177460A2 EP 0177460 A2 EP0177460 A2 EP 0177460A2 EP 85830240 A EP85830240 A EP 85830240A EP 85830240 A EP85830240 A EP 85830240A EP 0177460 A2 EP0177460 A2 EP 0177460A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bogie
- supports
- transverse
- pair
- arms
- 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
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
- 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
- B61F5/50—Other details
- B61F5/52—Bogie frames
-
- 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
-
- 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
- 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
Definitions
- the present invention relates in general to bogies for railway vehicles.
- the invention concerns a bogie of the type comprising a central support structure including two transverse tubular supports between which are mounted, with the interposition of bushes of elastically-yielding material, two shafts each of which supports at its ends a pair of substantially longitudinal arms bearing the spindles of the wheels at their free ends, and in which there are provided means for connecting the central structure to the body of a railway vehicle in articulated manner, and transverse and vertical suspension means between the bogie and the body of the vehicle.
- a bogie of this type is known, for example, from the published Italian Patent Application No. 68110-A/79, to which the United States Patent No. 4 362 109 corresponds.
- this bogie Due to its structure, this bogie has independent self-steering wheels, which results in a series of important advantages over conventional bogies, in terms of both simplicity of construction and improved functioning in use.
- the present invention constitutes, in fact, an improvement in the one forming the subject of the patent documents dieted above, and its object is to simplify the construction while ensuring dimensional stability in use, particularly as far as the gauge is concerned.
- this object is achieved due to the fact that a tubular spacer member aligned with spindles of the wheels is interposed between the free ends of the two longitudinal arms supported by each shaft.
- the arms of the two pairs situated on the same side of the bogie may be without any interconnection, as in the case of the prior patent documents cited above, or they may be articulated to each other in correspondence with their facing ends.
- the central structure of the bogie may assume various arrangements intended to effect a direct connection with the body, as in the case of the prior patent documents cited above, or an indirect connection with the arms uncoupled with respect to the body.
- the bogie illustrated in Figures 1 to 4 is substantially analogous to the one described and illustrated in the United States Patent No. 4 362 109 cited above. Briefly, this comprises a central support structure 10 to which are articulated four arms 12 each bearing an idle wheel 14.
- the support structure 10 which is obtained in a single piece, for example by the casting of aluminium, comprises a horizontal quadrangular plate 16 having a rectangular aperture 18 the larger sides of which are directed parallel to the transverse axis A of the bogie.
- a sliding block 24 of self-lubricating plastics material which has a vertically-elongate parallelepipedal form with a square horizontal section and sides slightly shorter than the smaller sides of the aperture 18.
- the block 24 is mounted in the aperture 18 for sliding along the transverse axis A of the bogie and is also free to make limited movements in the aperture 18 parallel to the longitudinal axis D of the bogie.
- the sliding block 24 has a central cylindrical hole in which a vertical articulation pin 28 is rotatably engaged.
- This pin 28 is fixed at its upper end to an upper disc 34 intended to be bolted to the base of the body of a railway vehicle, and is clamped at its lower end to a lower horizontal disc 46.
- first annular member 50 of elastomeric material is clamped respectively between the plate 16 and the upper disc 34 on the one hand and the lower disc 46 on the other.
- second annular member 52 of elastomeric material is clamped respectively.
- the function of the elastomeric annular members 50, 52 is to exert a resilient return force on the transverse and longitudinal movements of the sliding block 24 in the aperture 18 and on the rotations of the bogie about the articulation pin 28.
- the transverse sides of the plate 16 are connected to a pair of transverse tubular supports 54 within which two shafts 56 are rotatably mounted.
- the end of each shaft 56 project from the respective tubular support 54 and each supports, through an elastic coupling, one of the arms 12 bearing the wheels 14.
- Bushes of elastomeric material are interposed coaxially between each of the shafts 56 and the respective tubular support 54.
- each shaft 56 connecting a pair of arms 12 is subject to simple bending stresses in use, and not to twisting actions.
- each arm 12 Supported in a projecting manner at the free end of each arm 12 is a spindle 68 which, with the interposition of rolling bearings, serves as the support for rotation of the respective wheel 14.
- a horizontal support 72 projects from the free end of each spindle 68, against which bears a helical suspension spring 76 intended to react at its upper end against the base of the body of the railway vehicle.
- the four springs 76 constitute the only suspension of the bogie: in this way, the structural weight of the body passes directly to the wheels 14 through the springs 76, without stressing intermediate members.
- Each wheel 14 comprises a one-piece body of hot-rolled steel which has a rim of variable conicity and the outer faces of which co-operate with a brake caliper 82 supported by the respective arm 12.
- the bogie also includes a pair of transverse hydraulic shock-absorbers 84 articulated to the sides of the plate 16 and intended to be connected to the body of the vehicle, and a pair of anti-roll bars, generally indicated 86, which connect the two pairs of arms 12 supported by the two shafts 56.
- a tubular spacer member 88 aigned with the spindles 68 of the wheels 14 is interposed between the free ends of the two arms 12 supported by each shaft 56.
- the two tubular spacers 88 whose ends are rigidly connected to the ends of the corresponding arms 12, serve to maintain the wheels 14 at the prescribed gauge, which is advantageous both during the assembly of the bogie and when it is in use.
- connection between the bogie and the body of the railway vehicle could be effected in a manner different from that described with reference to Figures 1 to 4, and particularly by means of indirect connection solutions which allow the arms 12 to be elastically uncoupled with respect to the body.
- the bogie illustrated in Figures 5 to 8 differs from that described above with regard to the form of the central support structure 10, and in that the arms 12 of the two pairs located on the same side of the bogie are articulated to each other in correspondence with their facing ends.
- one arm 12 of each pair has a longitudinal appendage 90 which extends towards the arm 12 of the other pair situated on the same side of the bogie and is connected to that arm by means of a transverse pin 92, with the interposition of members of elastomeric material, not shown.
- the central support structure comprises two lateral supports 94 rigid with the tubular supports 54 and defining with them a space 96 within which extends a vertical-axis bush 98 in which is inserted the articulation pin 28 for the body.
- the upper end of the pin 28 is integral with frusto-conical attachment member 100 intended to be secured rigidly to the base of the body and the opposing sides of which are connected to the lateral supports 94 by two vertical connecting rods 102.
- the bush 98 is surrounded at its upper end by a collar 104 and at its lower end by a collar 106, with the interposition of respective sleeves of elastically-yielding material 108 and 110.
- the upper collar 104 is connected in turn to the two tubular supports 54 by a pair of substantially horizontal longitudinal connecting rods 112 arranged in a Z-configuration.
- the lower collar 106 has two lateral buffers 114 of elastomeric material directed parallel to the transverse axis A of the bogie and having respective convexly-profiled ends lla facing corresponding convexly-profiled ends 116a of a pair of similar buffers 116 protruding from the lateral supports 94.
- Each pair of buffers 114, 116 is surrounded by a helical compression spring 118 reacting between the collar 106 and the corresponding lateral support 94.
- the buffers 114 and 116 and the springs 118 constitute a resilient system through which the arms 12 of the bogie are uncoupled with respect to the body.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
- Braking Arrangements (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Automatic Cycles, And Cycles In General (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Body Structure For Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85830240T ATE59022T1 (de) | 1984-10-05 | 1985-09-24 | Drehgestell mit freilaufenden raedern fuer schienenfahrzeuge. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67993/84A IT1182317B (it) | 1984-10-05 | 1984-10-05 | Carrello per veicoli ferroviari a ruote indipendenti |
IT6799384 | 1984-10-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0177460A2 true EP0177460A2 (fr) | 1986-04-09 |
EP0177460A3 EP0177460A3 (en) | 1987-08-26 |
EP0177460B1 EP0177460B1 (fr) | 1990-12-12 |
Family
ID=11307030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85830240A Expired - Lifetime EP0177460B1 (fr) | 1984-10-05 | 1985-09-24 | Boggie à roues indépendantes pour véhicules ferroviaires |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0177460B1 (fr) |
AT (1) | ATE59022T1 (fr) |
DE (1) | DE3580886D1 (fr) |
IT (1) | IT1182317B (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0334418A1 (fr) * | 1988-03-16 | 1989-09-27 | S.p.A. SOCIETA' CASSEFORME METALLICHE E AFFINI S.A.C.M.A. | Bogie pour voiture ferroviaire avec plancher continu à niveau des quais |
EP0363972A2 (fr) * | 1988-10-14 | 1990-04-18 | FIAT FERROVIARIA S.p.A. | Bogie autodirecteur pour un véhicule ferroviaire |
EP0802101A3 (fr) * | 1996-04-17 | 1999-01-13 | Patentes Talgo, S.A. | Ensemble d'axe ferroviaire de changement automatique de la largeur des voies adaptable aux boggies conventionnels pour marchandises |
KR20030054575A (ko) * | 2001-12-26 | 2003-07-02 | 한국철도기술연구원 | 철도차량의 탈선방지용 탄성차축 |
DE102007025163A1 (de) | 2007-05-29 | 2008-12-04 | Bombardier Transportation Gmbh | Schienenfahrzeug mit einstufiger Federung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2473714A (en) * | 1945-07-03 | 1949-06-21 | Goodrich Co B F | Rail truck suspension |
DE829602C (de) * | 1950-09-01 | 1952-01-28 | Krauss Maffei Ag | Drehzapfenfuehrung am Drehgestell von Schienenfahrzeugen |
DE1059494B (de) * | 1956-02-09 | 1959-06-18 | Krauss Maffei Ag | Drehzapfenlagerung fuer entlastete Drehzapfen von Schienenfahrzeugen |
GB2050273A (en) * | 1979-05-24 | 1981-01-07 | Fiat Ricerche | Bogie for railway vehicles |
-
1984
- 1984-10-05 IT IT67993/84A patent/IT1182317B/it active
-
1985
- 1985-09-24 DE DE8585830240T patent/DE3580886D1/de not_active Expired - Fee Related
- 1985-09-24 AT AT85830240T patent/ATE59022T1/de not_active IP Right Cessation
- 1985-09-24 EP EP85830240A patent/EP0177460B1/fr not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2473714A (en) * | 1945-07-03 | 1949-06-21 | Goodrich Co B F | Rail truck suspension |
DE829602C (de) * | 1950-09-01 | 1952-01-28 | Krauss Maffei Ag | Drehzapfenfuehrung am Drehgestell von Schienenfahrzeugen |
DE1059494B (de) * | 1956-02-09 | 1959-06-18 | Krauss Maffei Ag | Drehzapfenlagerung fuer entlastete Drehzapfen von Schienenfahrzeugen |
GB2050273A (en) * | 1979-05-24 | 1981-01-07 | Fiat Ricerche | Bogie for railway vehicles |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0334418A1 (fr) * | 1988-03-16 | 1989-09-27 | S.p.A. SOCIETA' CASSEFORME METALLICHE E AFFINI S.A.C.M.A. | Bogie pour voiture ferroviaire avec plancher continu à niveau des quais |
EP0363972A2 (fr) * | 1988-10-14 | 1990-04-18 | FIAT FERROVIARIA S.p.A. | Bogie autodirecteur pour un véhicule ferroviaire |
EP0363972A3 (fr) * | 1988-10-14 | 1990-07-18 | FIAT FERROVIARIA S.p.A. | Bogie autodirecteur pour un véhicule ferroviaire |
US5024165A (en) * | 1988-10-14 | 1991-06-18 | Fiat Ferroviaria S.P.A. | Self-steering bogie for a railway vehicle |
EP0802101A3 (fr) * | 1996-04-17 | 1999-01-13 | Patentes Talgo, S.A. | Ensemble d'axe ferroviaire de changement automatique de la largeur des voies adaptable aux boggies conventionnels pour marchandises |
ES2130039A2 (es) * | 1996-04-17 | 1999-06-16 | Talgo Patentes | Conjunto de eje ferroviario dotado de cambio automatico de ancho de via y adaptable a bogies convencionales de mercancias. |
KR20030054575A (ko) * | 2001-12-26 | 2003-07-02 | 한국철도기술연구원 | 철도차량의 탈선방지용 탄성차축 |
DE102007025163A1 (de) | 2007-05-29 | 2008-12-04 | Bombardier Transportation Gmbh | Schienenfahrzeug mit einstufiger Federung |
WO2008145641A1 (fr) | 2007-05-29 | 2008-12-04 | Bombardier Transportation Gmbh | Véhicule sur rails à suspension monoétage |
EP2559605A2 (fr) | 2007-05-29 | 2013-02-20 | Bombardier Transportation GmbH | Véhicule ferroviaire avec suspension à monoétage |
Also Published As
Publication number | Publication date |
---|---|
EP0177460B1 (fr) | 1990-12-12 |
IT8467993A1 (it) | 1986-04-05 |
IT1182317B (it) | 1987-10-05 |
EP0177460A3 (en) | 1987-08-26 |
IT8467993A0 (it) | 1984-10-05 |
ATE59022T1 (de) | 1990-12-15 |
DE3580886D1 (de) | 1991-01-24 |
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