EP0357564B1 - Antriebsdrehgestell für Schienenfahrzeuge - Google Patents

Antriebsdrehgestell für Schienenfahrzeuge Download PDF

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Publication number
EP0357564B1
EP0357564B1 EP89830275A EP89830275A EP0357564B1 EP 0357564 B1 EP0357564 B1 EP 0357564B1 EP 89830275 A EP89830275 A EP 89830275A EP 89830275 A EP89830275 A EP 89830275A EP 0357564 B1 EP0357564 B1 EP 0357564B1
Authority
EP
European Patent Office
Prior art keywords
transverse
axles
bogie
bogie according
members
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
Application number
EP89830275A
Other languages
English (en)
French (fr)
Other versions
EP0357564A2 (de
EP0357564A3 (en
Inventor
Roberto Casalone Rinaldi
Oreste Santanera
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.)
Fiat Ferroviaria SpA
Original Assignee
Fiat Ferroviaria SpA
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 Fiat Ferroviaria SpA filed Critical Fiat Ferroviaria SpA
Priority to AT89830275T priority Critical patent/ATE86929T1/de
Publication of EP0357564A2 publication Critical patent/EP0357564A2/de
Publication of EP0357564A3 publication Critical patent/EP0357564A3/en
Application granted granted Critical
Publication of EP0357564B1 publication Critical patent/EP0357564B1/de
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
    • 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 in general to motor bogies for railway vehicles.
  • the invention is more particularly concerned with a motor bogie of the type including a load-bearing structure constituted by a pair of side members braced by transverse members and connected to a pair of axles by respective bushes, motor means for rotating the wheels of the axles provided with attachments for their support by a railway vehicle body and vertical and transverse suspension means between the load-bearing structure and the vehicle body.
  • a motor bogie of the above-referenced type is known in the art from FR-A-2369133.
  • the object of the present invention is to produce a motor bogie of the type defined above, which is able to achieve the objective of a drastic weight reduction with a high degree of safety.
  • this object is achieved by means of a motor bogie for railway vehicles of the type defined above, characterised in that the suspension means are interposed directly between the frame of the body and the bushes of the axles, and in that the motor means drive the respective axles directly.
  • the two side members of the load-bearing structure of the bogie which connect the bushes of each side fulfil the sole functions of transmitting the longitudinal traction and braking forces and the transverse guiding forces, and of supporting the braking units and the other auxiliary equipment.
  • the weight of the vehicle body to which the bogie is fitted is borne directly by the bushes whilst the weight of the motor is supported by the body, and the motive power and the resultant forces and torques act directly between the body and the axles without in any way involving the load-bearing structure of the bogie.
  • the reduction of the load-bearing and strength functions of the bogie obviously enables it to be lighter and to have a considerably simpler structure, which enables an appreciable improvement. in vehicle-track coupling and thus results in the achievement of the objectives of higher travelling speeds, greater safety and less maintenance.
  • transverse members for interconnecting the two side members are conveniently adapted to allow the load-bearing structure to deform in the vertical plane but not in the horizontal plane.
  • transverse members may comprise, for example, a cross with ends articulated to the side members, a pair of resilient plates which can deform under flexion and torsion, -or even a pair of cross members each of which is fixed rigidly at one end to one of the side members and articulated at the opposite end to the other side member.
  • the transverse members ensure that the load-bearing structure can deform in order to overcome twisting and that it is rigid in the horizontal plane to ensure the correct position to the base quadrilateral.
  • the bushes are connected to the side members in such a way as to achieve the required longitudinal and transverse rigidity; for example, this connection may be constituted by rubber-bonded metal elements for supporting the side members on the bushes and by rubber-bonded metal or other joints which connect the bushes to the bogie frame.
  • the motor means normally drive the axles by means of dual hollow shaft transmissions coaxial with the axles.
  • This type of transmission which is normally of the type described and illustrated in the document EP-A-193,500 in the name of the same applicant, is constituted by the hollow shafts whose end flanges are connected by two pairs of connecting rods to the rotor of the motor on one side and to one of the wheels on the other side. This transmission allows all the relative movements between the motors and the axles due to the vertical and transverse suspensions and to bends.
  • the motor means are supported by the vehicle body by suitable means, such as those disclosed in document FR-A-2369133 to the purpose of relieving the load-bearing structure of the bogie from the motors weight.
  • the structure of the bogie also includes means for transmitting traction and braking forces between the two side members of the bogie and the body of the vehicle, constituted, for example, by articulated systems of connecting rods and levers.
  • the vertical and transverse suspension means between the bushes and vehicle body are conveniently constituted by helical springs and may also include torsion bars.
  • a motor bogie for railway vehicles is generally indicated 1 and is intended to be connected, in generally known manner, to the body 2 of the vehicle.
  • the bogie 1 includes a load-bearing structure 3 constituted by a pair of side members 4, 5 which are interconnected near their central regions by a cross-shaped transverse member 6.
  • the ends of the two side members 4, 5 support two axles 8, 9 with respective wheels 10, 11 by means of respective bushes 7.
  • the transverse connecting cross 6 is connected at its ends to the two side members 4 by means of respective articulations 12, 19 which enable the load-bearing structure 3 to deform in the vertical plane to overcome twisting but give it rigidity in the horizontal plane to ensure the correct position of the base quadrilateral identified by the attachments of the bushes 7 to the side members 4 and 5.
  • Two drive motors of generally known type, for rotating the axles 8, 9, are indicated 13, 14.
  • the two motors 13, 14 are provided with respective attachments 15, 16 for fixing them to the body 2 of the vehicle so that their weight does not bear on the load-bearing structure 3.
  • the two motors 13, 14 are coaxial with the axles 8, 9 and drive the latter directly through respective dual hollow shaft transmissions, generally indicated 17, 18, of the type described and illustrated in the document EP-A-193,500, the description of which should be understood as incorporated herein for the sake of brevity.
  • each transmission 17, 18 includes two hollow shafts having end flanges which are connected by means of pairs of connecting rods 17a, 17b and 18a, 18b to the rotor of the motor on one side and to one of the wheels 10, 11 on the opposite side.
  • the two transmissions 17, 18 do not make use of gears, casings with bearings, or lubrication systems, but enable all the movements between the motors 13, 14 and the axles 8, 9 due to the vertical and transverse suspensions of the bogie and to bends.
  • the vertical and transverse suspensions include two pairs of helical springs 20, 21 whose ends react, with the interposition of rubber elements, against the body 2 of the vehicle at the top and directly on the bushes 7 of the axles 8, 9 at the bottom.
  • the vertical and longitudinal characteristics of the suspension are achieved by the suitable dimensioning of the springs 20, 21 and the respective rubber elements whilst the transverse characteristics are achieved by supplementing the lateral characteristics of the springs and rubber elements with other devices having helical or rubber springs, not illustrated, or with torsion bars or equivalent systems.
  • the torsion bar system is schematically illustrated in Figures 3 and 4 and, for each side of the bogie, includes a pair of transmission connecting rods 22, 23 which are articulated to each other and of which the first is pivoted on the respective side member 4, 5 and the second is connected rigidly to a torsion bar 24 fixed at 25 to the body 2 of the bogie.
  • connection may be constituted by two longitudinal connecting rods 26 connected at one end to the two side members of the bogie and at the other to two right-angled levers 27 connected to the body; these two right-angled levers are connected together by a transverse rod 27a so as to form a unit which ensures the transmission of the longitudinal traction and braking forces between the body and the bogie, whilst retaining freedom of transverse, vertical and rotary movement between the body and the bogie.
  • Other equivalent systems will be described below with reference to the variants of the bogie.
  • the suspension between the bogie 1 and the body 2 also has longitudinal shock-absorbers 28, transverse shock-absorbers 29 and vertical shock-absorbers 30.
  • the load-bearing structure 3 fulfils the sole functions of transmitting the longitudinal traction and braking forces and the transverse guiding forces and of supporting the braking equipment (schematically indicated 35 in Figure 1) and any other auxiliary equipment.
  • the motive power passes directly from the shafts of the motors 13, 14 to the axles 8, 9 and does not in any way involve the load-bearing structure 3, which has reduced weight to the benefit of the vehicle-track coupling. As a result, therefore, it is possible to achieve a higher travelling speed and greater safety with reduced maintenance, other conditions being the same.
  • the fixing of the motors 13 and 14 to the body 2 means that the motors are subject to reduced dynamic stress, to the benefit of their reliability in operation.
  • Figures 6 to 8 differs from that described with reference to Figures 1 to 5 only in that the motors 13 and 14 drive the axles 8 and 9 through respective reduction units 31, 32.
  • the motors 13 and 14 are still arranged to be fixed to the body 2 and to drive the axles 8, 9 through the reduction units 31 and 32 by means of dual hollow shaft transmissions 33, 34 exactly the same as the transmissions 17 and 18.
  • the concept of the bogie 1 according to this variant remains unaltered from that described above, even though the solution adopted for the transmission of the motive power includes gears, bearings and related lubrication systems.
  • the transverse connection between the side members 4 and 5 is achieved by means of two cross members 36 and 37 of which the first is connected rigidly at one end to the side member 5 and is articulated at the other end to the side 4 at 38, and the second is fixed rigidly at one end to the side member 4 and is articulated at the opposite end to the side member 5 at 39.
  • the traction members between the bogie 1 and the body 2 include equivalent central rubber elements 45 in a counter-parallel arrangement.
  • connection between the side members 4 and 5 is identical to that described with reference to Figure 9, whilst the elements for transmitting the traction and braking forces are constituted by a central Z-shaped system formed by a pair of connecting rods 44 interconnected by a diagonal lever 40.
  • the transverse members for interconnecting the side members 4 and 5 are constituted by a pair of resilient plates or spring leaves 41 which are fixed at their ends to the side members 4 and 5, at 42 and 43 respectively, and are resiliently deformable under flexion and torsion.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
  • Escalators And Moving Walkways (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)
  • Control Of Electric Motors In General (AREA)
  • Rolling Contact Bearings (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Claims (10)

  1. Motordrehgestell (1) für Schienenfahrzeuge, das einen lasttragenden Aufbau (3), der von einem Paar von Seitenelementen (4, 5) gebildet wird, die mit Querelementen (6) überbrückt und mit einem Paar von Achsen (8, 9) über entsprechende Buchsen (7) verbunden sind, einen Motorantrieb (13, 14), um die Räder (10, 11) der Achsen in Drehung zu versetzen, sowie Vertikal- und Queraufhängungen (20, 21) zwischen dem lasttragenden Aufbau und dem Aufbau eines Schienenfahrzeugs (2) aufweist, wobei der Motorantrieb (13, 14) mit Befestigungen (15, 16) versehen ist, um ihn am Aufbau (2) des Fahrzeugs zu befestigen, dadurch gekennzeichnet, daß die Aufhängungen (20, 21) direkt auf den Buchsen (7) der Achsen (8, 9) liegen, und daß der Motorantrieb (13, 14) die entsprechenden Achsen (8, 9) direkt antreibt.
  2. Drehgestell gemäß Anspruch 1, dadurch gekennzeichnet, daß die Querverbindungselemente (6; 36, 37; 41) so aufgebaut sind, damit sich der lasttragende Aufbau (3) in der Vertikalebene jedoch nicht in der Horizontalebene verformen kann.
  3. Drehgestell gemäß Anspruch 2, dadurch gekennzeichnet, daß die Querelemente ein Kreuz (6) enthalten, dessen Enden mit den Seitenelementen (4, 5) gelenkig verbunden sind.
  4. Drehgestell gemäß Anspruch 2, dadurch gekennzeichnet, daß die Querelemente elastische Platten (41) enthalten, die sich unter Biegung und Torsion verformen können.
  5. Drehgestell gemäß Anspruch 2, dadurch gekennzeichnet, daß die Querelemente ein Paar von Kreuzelementen (36, 37) enthalten, von denen jedes an einem Ende mit einem Seitenelement (4, 5) starr verbunden ist und am entgegengesetzten Ende (38, 39) mit dem anderen Seitenelement (4, 5) gelenkig verbunden ist.
  6. Drehgestell gemäß jedem der bisherigen Ansprüche, dadurch gekennzeichnet, daß jeder Motor (13, 14),die entsprechende Achse (8, 9) mit Hilfe einer doppelten Hohlwellenübertragung (17, 18; 33, 34) antreibt, die koaxial zur Achse (8, 9) liegt.
  7. Drehgestell gemäß Anspruch 6, dadurch gekennzeichnet, daß ein Reduktionsgetriebe (31, 32) zwischen jedem Motor (13, 14) und der entsprechenden Achse (8, 9) liegt.
  8. Drehgestell gemäß einem oder mehreren der bisherigen Ansprüche, dadurch gekennzeichnet, daß es weiters Gelenksysteme von Verbindungsstangen und Hebeln (26, 27; 39, 40) enthält, um die Traktions- und Bremskräfte zwischen dem lasttragenden Aufbau (3) und dem Aufbau (2) des Fahrzeugs zu übertragen.
  9. Drehgestell gemäß einem oder mehreren der bisherigen Ansprüche, dadurch gekennzeichnet, daß die Vertikal- und Queraufhängungen Schraubenfedern (20, 21) aufweisen.
  10. Drehgestell gemäß Anspruch 9, dadurch gekennzeichnet, daß die Queraufhängungen weiters Längstorsionsstäbe (24) aufweisen, die dem Aufbau (2) des Fahrzeugs zugeordnet sind.
EP89830275A 1988-08-04 1989-06-20 Antriebsdrehgestell für Schienenfahrzeuge Expired - Lifetime EP0357564B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89830275T ATE86929T1 (de) 1988-08-04 1989-06-20 Antriebsdrehgestell fuer schienenfahrzeuge.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT6773888 1988-08-04
IT67738/88A IT1223754B (it) 1988-08-04 1988-08-04 Carrello motore per veicoli ferroviari

Publications (3)

Publication Number Publication Date
EP0357564A2 EP0357564A2 (de) 1990-03-07
EP0357564A3 EP0357564A3 (en) 1990-07-18
EP0357564B1 true EP0357564B1 (de) 1993-03-17

Family

ID=11304905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89830275A Expired - Lifetime EP0357564B1 (de) 1988-08-04 1989-06-20 Antriebsdrehgestell für Schienenfahrzeuge

Country Status (5)

Country Link
EP (1) EP0357564B1 (de)
AT (1) ATE86929T1 (de)
DE (1) DE68905410T2 (de)
ES (1) ES2039093T3 (de)
IT (1) IT1223754B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803572B1 (fr) * 2000-01-12 2002-02-22 Alstom Bogie moteur pour vehicule ferroviaire et vehicule ferroviaire pourvu d'un tel bogie
CN104802818B (zh) * 2015-05-25 2018-03-23 株洲市源创科技有限公司 一种铁路货车转向架及侧架交叉杆机构联接方法及装置
CN106494446A (zh) * 2016-10-18 2017-03-15 张家港特锐机械制造有限公司 轨道交通列车转向架

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739962C (de) * 1941-09-24 1943-10-08 Aeg Elektrischer Vollbahnantrieb
CH369484A (de) * 1959-02-18 1963-05-31 Inventio Ag Abgefedertes Drehgestell
US3516365A (en) * 1968-03-27 1970-06-23 Gen Steel Ind Inc Motorized railway car truck
US3782294A (en) * 1971-08-05 1974-01-01 Rockwell International Corp Articulated railway truck swinging bolster
DE2650035C2 (de) * 1976-10-30 1986-07-03 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Drehgestellanordnung für schnellauffähige elektrische Schienen-Trieb-Fahrzeuge
DE2833201C3 (de) * 1978-07-27 1982-10-07 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Übertragen von Zug- und Bremskräften an einem schienengebundenen Triebfahrzeug
DE2936733C2 (de) * 1979-09-07 1985-07-25 Siemens AG, 1000 Berlin und 8000 München Schienengebundenes elektrisches Triebfahrzeug

Also Published As

Publication number Publication date
ATE86929T1 (de) 1993-04-15
IT1223754B (it) 1990-09-29
IT8867738A0 (it) 1988-08-04
EP0357564A2 (de) 1990-03-07
DE68905410T2 (de) 1993-07-08
ES2039093T3 (es) 1993-08-16
EP0357564A3 (en) 1990-07-18
DE68905410D1 (de) 1993-04-22

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