EP3521125A1 - Fahrgestell für schienenfahrzeug - Google Patents

Fahrgestell für schienenfahrzeug Download PDF

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Publication number
EP3521125A1
EP3521125A1 EP19150603.9A EP19150603A EP3521125A1 EP 3521125 A1 EP3521125 A1 EP 3521125A1 EP 19150603 A EP19150603 A EP 19150603A EP 3521125 A1 EP3521125 A1 EP 3521125A1
Authority
EP
European Patent Office
Prior art keywords
axle
bogie
frame
railway vehicle
wheels
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
EP19150603.9A
Other languages
English (en)
French (fr)
Other versions
EP3521125B1 (de
Inventor
Alain Rodet
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.)
Alstom Transport Technologies SAS
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Alstom Transport Technologies SAS
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Filing date
Publication date
Application filed by Alstom Transport Technologies SAS filed Critical Alstom Transport Technologies SAS
Publication of EP3521125A1 publication Critical patent/EP3521125A1/de
Application granted granted Critical
Publication of EP3521125B1 publication Critical patent/EP3521125B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B61F3/02—Types of bogies with more than one axle
    • B61F3/04—Types of bogies with more than one axle with driven axles or wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D13/00—Tramway vehicles
    • 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

Definitions

  • the present invention relates to a bogie for a railway vehicle, of the type comprising a chassis, a front axle, a rear axle and, for each axle, at least one device for axially suspending the axle relative to the chassis, the bogie comprising at least a transverse motor and, for each axle, a respective gearbox coupling the motor to the axle so that the motor drives the axle in rotation about its axis.
  • the gearboxes of the engine are each arranged on a respective side of the bogie.
  • the torque generated by the motor is transferred to the gear units, which reduce the rotational speed of the rotating components of the motor.
  • the gearboxes then transfer the torque to the axle which thus drives the wheels in rotation.
  • An object of the invention is to obtain a better allocation of space to the passengers.
  • the subject of the invention is a bogie for a railway vehicle of the aforementioned type, in which the reducers are arranged laterally on the same side of the bogie.
  • the invention also relates to a railway vehicle comprising at least one bogie as defined above.
  • the X, Y and Z axes together form a direct orthogonal reference, the front and the rear being heard relative to the normal direction of movement of the railway vehicle.
  • the railway vehicle 10 represented on the Figure 1 comprises a car 12 and at least one bogie 14 mounted under the car 12.
  • the car 12 is elongated in a longitudinal main direction. It has an interior passenger space. In a variant, the car 12 includes a space for containing goods.
  • the car 12 has an asymmetrical configuration in a plane transverse to the main direction. It has in particular two seats 15 on one side of a corridor 17 and a single seat 15 on the other side of the corridor 17.
  • the corridor 17 itself is shifted towards the side which has fewer seats compared to the other side. On the figure 1 , the corridor 17 is thus shifted to the left side.
  • the bogie 14 is adapted to support and guide the car 12 when moving the car 12 along a rail.
  • the bogie 14 comprises, as visible on the Figure 2 , a frame 16, a front axle 18a, a rear axle 18b and, for each of the front axles 18a and rear 18b, at least one primary suspension device 22 of the axle 18a, 18b relative to the frame 16.
  • the bogie 14 further comprises at least one secondary suspension device 23 of said bogie 14 relative to the car 12.
  • the bogie 14 also comprises at least one transverse motor 24 and, for each axle 18a, 18b, two axle boxes 26 respectively.
  • the bogie 14 further comprises, for each axle 18a, 18b, a member 28 for braking the axle 18a, 18b.
  • the bogie 14 also comprises two magnetic brake pads 30.
  • the frame 16 comprises at least two transverse crosspieces 34 substantially parallel to each other.
  • the frame 16 comprises two half-frames 38a, 38b each comprising at least one respective cross member of the cross members 34 of the frame 16.
  • the two half-frames 38a, 38b are arranged successively in the longitudinal direction X, of so that one distinguishes a front half frame 38a and a rear half frame 38b.
  • the half-frames 38a, 38b are hinged relative to each other by a hinge system 40 so as to be pivotable relative to each other about an axis of rotation A - A ' substantially longitudinal.
  • the front and rear axles 18a and 18b each extend transversely to the frame 16.
  • each of the front and rear axles 18a and 18b is parallel to the cross members 34.
  • the front axles 18a and 18b rear each comprise two wheels, respectively 42a, 42b, spaced transversely from each other and a transverse shaft 44 connecting the two wheels 42a, 42b being integral with said wheels 42a, 42b.
  • the front wheels 42a are coaxial. Similarly, the rear wheels 42b are coaxial. The front wheels 42a are spaced longitudinally from the rear wheels 42b.
  • the wheels 42a, 42b together define a plane P1 ( Figure 1 ) of the truck 14.
  • the shafts 44 lie substantially in a horizontal plane P2 ( Figure 1 ) substantially parallel to the P1 running surface. This plane is between 200 mm and 400 mm above the rolling surface P1, preferably between 250 mm and 350 mm and typically worth 300 mm for wheels having their diameters to nine 600 mm.
  • the shafts 44 are advantageously parallel to the sleepers 34.
  • the transverse motors 24a, 24b are two in number.
  • a first of the transverse engines 24a is coupled to the front axle 18a, and the second transverse motor 24b is coupled to the rear axle 18b.
  • Each transverse motor 24a, 24b is rigidly fixed to the frame 16 of the bogie 14.
  • each transverse motor 24a, 24b is integrated in a respective cross member 34 of the cross members of the frame 16.
  • the first transverse motor 24a is integrated in a cross member 34 of the front half-frame 38a and the second transverse motor 24b is integrated with a cross member 34 of the rear half frame 38b.
  • Each of the front axles 18a and 18b rear is rotatably mounted relative to the frame 16 through two axle boxes 26 each disposed between the wheels 42a, 42b of the axle 18a, 18b.
  • the axle boxes 26 are placed transversely towards the inside of the axle 18a, 18b with respect to the wheels 42a, 42b.
  • Each axle box 26 is in particular contiguous to a wheel 42a, 42b respectively among the wheels 42a, 42b of the axle 18a, 18b, and extends only over a fraction of the transverse length of the axle shaft. 44.
  • the shaft 44 of each axle 18a, 18b thus passes through each of the axle boxes 26 and is guided in rotation inside them by bearings, for example ball bearings.
  • a respective reducer 46 couples the transverse motor 24 to the axle 18a, 18b so that the motor 24 drives the axle 18a, 18b in rotation about its axis.
  • each gearbox 46 integrates one of the axle boxes 26 of the axle 18a, 18b.
  • the gearbox 46 has an input rotatably connected to the motor shaft 24 via a coupling (not shown in the figures), and an output directly attached to the axle 18a, 18b.
  • Each axle 18a, 18b is connected to the frame 16 via at least one primary suspension device 22, 25.
  • these primary suspension devices 22, 25 are two in number per axle 18a, 18b.
  • each primary suspension device 22, 25 is of the box type. It comprises an arm 48 secured to an axle box 26, and an elastic member 50 interposed between the arm 48 and the frame 16.
  • the arm 48 is rotatably articulated to the frame 16 about an axis of rotation B - B 'transverse relative to the frame 16, axis materialized by two elastic hinges 52.
  • the axis of rotation B - B ' is advantageously substantially parallel to the cross members 34, and is preferably substantially vertically offset from the plane P2.
  • the elastic member 50 is disposed at a distance from the axis of rotation B - B '.
  • the elastic member 50 is for example a sandwich comprising a plurality of layers of an elastic material and a plurality of metal plates interposed between the layers of elastic material and adherent to the elastic layers.
  • a first primary suspension device 22 is disposed laterally on a first side of the chassis 16 constituted by the side where the gear units 46 are placed.
  • the elastic member 50 of the first primary suspension device 22 is disposed above the plane P2, at a distance from the plane P2 greater than 200 mm, above the gearbox 46.
  • a second primary suspension device 25 is disposed laterally on the second side of the frame 16 opposite the first side of the frame 16.
  • the elastic member 50 of the second primary suspension device 25 is traversed by the plane P2. In other words, it is substantially at the same height as the axle shafts 44.
  • Each primary suspension device 22, 25 is arranged transversely towards the inside of the bogie 14 relative to the wheels 42 of the axle 18 that it suspends.
  • the hinge system 40 comprises, on each side of the bogie 14, a longitudinal rod 56, and in the central part an elastic hinge 58 which connects the two half-frames 38a and 38b.
  • Each connecting rod 56 is articulated at each of its longitudinal ends to a respective half-frame 38a, 38b. It is in particular pivotally mounted about a transverse axis (not shown) with respect to each half-frame 38a, 38b.
  • Each connecting rod 56 is also interposed between a front wheel 42a and a rear wheel 42b being substantially aligned longitudinally with said wheels 42a, 42b.
  • the elastic articulation 58 is formed by two arms 60 each projecting from the crossmember 34 of a respective half-frame 38a, 38b, towards the other half-frame 38a, 38b, and fitting into each other. one in the other so as to form a transverse axis pivot, as visible on the Figure 5 .
  • the braking member 28 of each axle 18a, 18b is disposed on the side of the bogie 14 opposite the side where the gear units 46 are placed. It is in particular arranged towards the outside of the bogie 14 relative to the wheels 42a, 42b of the axle 18a, 18b.
  • Each braking member 28 is typically constituted by a disk brake.
  • it comprises a brake disc 64 integral in rotation with the axle 18a, 18b and at least one stirrup 66 mounted on the frame 16 adapted to grip said disc 64.
  • the secondary suspension devices 23 are suitable for suspending the car 12 of the railway vehicle 10 to the bogie frame 16. These devices 23 are, in the example shown, two in number.
  • Each secondary suspension device 23 is arranged longitudinally between the sleepers 34 of the bogie 14, and transversely towards the inside of the bogie 14 relative to the wheels 42a, 42b of the axles 18a, 18b.
  • Each secondary suspension device 23 comprises two secondary elastic members 68, and a plate 70 disposed between the elastic members 68.
  • the secondary elastic members 68 are arranged chevron on either side of the plate 70.
  • Each secondary elastic member 68 has a first end rigidly fixed to the plate 70, and a second end, opposite to the first end, fixed to one of the cross members 34 of the frame 16.
  • Each secondary elastic member 68 is typically formed by a sandwich comprising a plurality of layers of an elastic material and a plurality of metal plates interposed between the layers of elastic material and adherent to the elastic layers, said layers and plates being stacked in a direction from from the first to the second end of the elastic member 68.
  • the plate 70 is substantially horizontal and comprises at its ends, near the elastic members 68, bearing zones 72 of the car 12 of the vehicle 10.
  • the secondary suspension devices 23 are arranged transversely on either side of the central plate 70 secured to said secondary suspension devices 23, said central plate 70 carrying a central pivot 74.
  • This central plate 70 connects transversely the two secondary suspension devices 23. It advantageously has a lower central region than the bearing zones 72.
  • the pivot 74 connects the central plate 70 to the car 12. It is fixed to the car 12 and the central plate 70 and is adapted to allow a rotational movement of the car 12 relative to the plate 70 about a substantially vertical axis .
  • the secondary suspension devices 23, in particular their secondary elastic members 68, are traversed by the plane P2. Furthermore, the distance from the high point of each bearing zone 72 to the plane P2 is less than the distance from the plane P2 of the high point of each first primary suspension device 22.
  • each magnetic brake pad 30 is, as visible on the Figure 2 interposed between a front wheel 42a and a rear wheel 42b being substantially longitudinally aligned with said wheels 42a, 42b. It is movable relative to the frame 16 between a retracted position above the plane P1 and an extended position in which it is flush or down below the plane P1.
  • Each magnetic braking pad 30 is in particular arranged below a respective connecting rod of the connecting rods 56 of the articulation system 40.
  • Each magnetic braking pad 30 is preferably elongated in the longitudinal direction L and is articulated by its longitudinal ends to each of the half-frames 38a, 38b, and in particular to the cross-members 34.
  • the bogie 14 is adapted to asymmetrical compartments arrangements, with optimal occupancy of space. Indeed, having the reducers on the same side makes it possible to make railway vehicles with an offset corridor without projections in the corridor. This allows the disabled to advance the wheelchairs without difficulty.
  • transverse configuration of the motors 24 avoids having to have the motors 24 outside the bogie 14 and therefore avoids exposing them to an unfavorable environment, for example in rain or snow.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Vibration Prevention Devices (AREA)
EP19150603.9A 2018-01-15 2019-01-07 Fahrgestell für schienenfahrzeug Active EP3521125B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1850287A FR3076792B1 (fr) 2018-01-15 2018-01-15 Bogie pour vehicule ferroviaire

Publications (2)

Publication Number Publication Date
EP3521125A1 true EP3521125A1 (de) 2019-08-07
EP3521125B1 EP3521125B1 (de) 2022-05-25

Family

ID=61655997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19150603.9A Active EP3521125B1 (de) 2018-01-15 2019-01-07 Fahrgestell für schienenfahrzeug

Country Status (4)

Country Link
EP (1) EP3521125B1 (de)
ES (1) ES2925461T3 (de)
FR (1) FR3076792B1 (de)
HU (1) HUE059939T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111994115A (zh) * 2020-08-14 2020-11-27 中车唐山机车车辆有限公司 转向架

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2491023A1 (fr) * 1980-09-26 1982-04-02 Alsthom Atlantique Systeme de transmission pour bogie monomoteur
FR2720361A1 (fr) * 1994-05-25 1995-12-01 Abb Rail Vehicles Ltd Bogie pour un véhicule ferroviaire.
EP1247714A1 (de) * 2001-04-02 2002-10-09 Alstom Drehgestell für Schienenfahrzeuge mit Rädern mit verstellbarer Spurweite
CA2682820A1 (fr) * 2007-04-05 2008-10-30 Alstom Transport Sa Bogie motorise pour tramway
CA2682001A1 (fr) * 2007-04-05 2008-11-06 Alstom Transport Sa Vehicule ferroviaire comprenant des bogies pivotants
EP2258597A1 (de) * 2009-06-05 2010-12-08 ALSTOM Transport SA Fahrwerk für Schienenfahrzeug

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2491023A1 (fr) * 1980-09-26 1982-04-02 Alsthom Atlantique Systeme de transmission pour bogie monomoteur
FR2720361A1 (fr) * 1994-05-25 1995-12-01 Abb Rail Vehicles Ltd Bogie pour un véhicule ferroviaire.
EP1247714A1 (de) * 2001-04-02 2002-10-09 Alstom Drehgestell für Schienenfahrzeuge mit Rädern mit verstellbarer Spurweite
CA2682820A1 (fr) * 2007-04-05 2008-10-30 Alstom Transport Sa Bogie motorise pour tramway
CA2682001A1 (fr) * 2007-04-05 2008-11-06 Alstom Transport Sa Vehicule ferroviaire comprenant des bogies pivotants
EP2258597A1 (de) * 2009-06-05 2010-12-08 ALSTOM Transport SA Fahrwerk für Schienenfahrzeug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111994115A (zh) * 2020-08-14 2020-11-27 中车唐山机车车辆有限公司 转向架

Also Published As

Publication number Publication date
ES2925461T3 (es) 2022-10-18
FR3076792B1 (fr) 2020-11-20
EP3521125B1 (de) 2022-05-25
FR3076792A1 (fr) 2019-07-19
HUE059939T2 (hu) 2023-01-28

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