EP2476600B1 - Aufgehängtes Fahrgestell für Schienenfahrzeug - Google Patents

Aufgehängtes Fahrgestell für Schienenfahrzeug Download PDF

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Publication number
EP2476600B1
EP2476600B1 EP20120305064 EP12305064A EP2476600B1 EP 2476600 B1 EP2476600 B1 EP 2476600B1 EP 20120305064 EP20120305064 EP 20120305064 EP 12305064 A EP12305064 A EP 12305064A EP 2476600 B1 EP2476600 B1 EP 2476600B1
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EP
European Patent Office
Prior art keywords
axle
suspension
articulated
crosspiece
suspension element
Prior art date
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Application number
EP20120305064
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English (en)
French (fr)
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EP2476600A1 (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 SA
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Alstom Transport SA
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Publication of EP2476600A1 publication Critical patent/EP2476600A1/de
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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
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/32—Guides, e.g. plates, for axle-boxes
    • B61F5/325—The guiding device including swinging arms or the like to ensure the parallelism of the axles

Definitions

  • the so-called “suspended” bogies are bogies in which the axles are connected to the chassis by suspension means making it possible to damp the deformations, such as the left-hand tracks, between the axles and the chassis.
  • the chassis generally comprises a mechanically welded or molded structure comprising a cross member and two longitudinal members, each extending longitudinally over the end portions of the axles, the suspension means being arranged between these end portions and the longitudinal members extending opposite each other. .
  • Such a structure is particularly bulky, especially vertically, and has a large mass due to the structure of the frame that occupies a large space.
  • One of the aims of the invention is to propose a railway vehicle bogie suspended of reduced mass.
  • the invention relates to a railway vehicle bogie of the aforementioned type, wherein the diagonal suspension element connects the lower part of the axle to the upper part of the crossbar.
  • the chassis structure of such a bogie is particularly simple because it is formed essentially of a cross member extending substantially transversely.
  • the suspension means allow the efforts to be resumed with sufficient rigidity by transferring them from the axle towards the center of the chassis, that is to say towards the cross-member.
  • Such a bogie is of reduced mass by concentrating these masses towards the center of the chassis, in particular at the cross-member, which makes it possible to dispense with the usual welded or molded structures.
  • the term “longitudinal” is defined with respect to the direction in which the rail vehicle circulates, that is to say the direction in which the rails on which this rail vehicle is traveling extend.
  • the term “transverse” is defined relative to a direction substantially perpendicular to the longitudinal direction in a horizontal plane, that is to say the direction in which the rails are spaced apart from each other.
  • the terms “inferior”, “superior”, “below”, “above”, etc. are defined in relation to the elevation direction of a railway vehicle
  • a bogie 1 comprising a frame 2, consisting essentially of a cross member 4 extending substantially transversely, and two axles 6 extending substantially transversely parallel to the cross member 4 and arranged on either side of the cross member 4.
  • axles 6 are rotatable relative to the chassis, about a substantially transverse axis A, and each carry two wheels 8, each wheel 8 being mounted on a transverse end portion of the axle 6 and being integral in rotation with the wheel. axle 6.
  • motor bogie that is to say comprising motorization means 10 for driving one or both axles in rotation.
  • motorization means 10 for driving one or both axles in rotation.
  • bogies carriers that is to say bogies devoid of motorization means.
  • the crosspiece 4 carries functional equipment of the bogie 1, such as the motorization means 10 and suspension means 12 between the bogie 1 and the body of the railway vehicle.
  • the cross member 4 may be made of a monobloc metal structure, of simple construction and of reduced mass compared with the usual structures of the bogie frame.
  • Each axle 6 is rotatably mounted in two axle boxes 14 disposed between the wheels 8, each axle box 14 being adjacent to a wheel 8.
  • the axle boxes 14 are disposed in the space extending between the wheels 8, the bogie 1 has a space requirement in particularly narrow width, the width of the bogie 1 being substantially equal to the distance between the rails on which the rail vehicle runs.
  • Each axle box 14 comprises a central orifice through which the axle 6 passes, ball bearings allowing for example the rotation of the axle 6 inside the central orifice.
  • the axle box 14 comprises a plurality of stirrups allowing the articulation of suspension means 16, as will be described below.
  • each axle box 14 is connected to the cross member 4 by suspension means 16, called “primary suspensions", to damp the deformations, such as the left lanes and resume the efforts of the box. axle 14 and transmit them to the crossbar 4.
  • the suspension means 16 are articulated on the one hand on the crossbar 4 and on the other hand on the axle box 14 and extend substantially longitudinally between the crossbar 4 and each axle 6.
  • Each axle box 14 is connected to the crosspiece 4 by these suspension means 16.
  • the suspension means 16 connecting an axle box 14 to the cross member 4 comprise three suspension elements, namely a lower suspension element 18, an upper suspension element 20 and a diagonal suspension element 22.
  • the lower suspension element 18 connects a lower part of the axle 6, formed by the part of the axle box 14 extending below the axle 6, to a lower part of the crossbar 4.
  • the upper suspension element 20 connects an upper part of the axle 6, formed by the part of the axle box 14 extending above the axle 6, to an upper part of the crossbar 4.
  • the diagonal suspension element 22 connects the lower part of the axle 6 to the upper part of the crossbar 4.
  • Each suspension element is articulated on the one hand on the axle box 14 and on the other hand on the crossbar 4. This articulation is done by mounting the suspension elements on brackets provided on the one hand on the box axle 14 and secondly on the crossbar 4 opposite the axle box 14.
  • a stirrup is formed by two flanges 26 spaced apart from each other in the transverse direction and each carrying a housing 28 for receiving of a hinge pin 30 carried by a suspension element 18, 20, 22, as shown in FIG. figure 1 .
  • the lower suspension element 18 is articulated on a lower yoke 32 of the axle box 14, the lower yoke 32 extending under the axle 6.
  • the lower suspension element 18 is articulated around an axis B substantially parallel to the axis A of the axle 6, that is to say extending in the transverse direction, and extending substantially in the same vertical plane as the axis A of the axle 6.
  • the lower articulation element 18 is further articulated on one or two stirrups 34 provided on the lower part of the crossbar 4, facing the lower stirrup 32, about a substantially transverse axis C extending substantially in the same horizontal plane as the axis B around which the lower suspension element 18 is articulated on the lower yoke 32.
  • the lower suspension element 18 is formed by a connecting rod 36 of substantially triangular shape, articulated at two points, formed by two stirrups 34, on the lower part of the crossbar 4 and at a point formed by the lower stirrup 32 at the lower part of the axle 6.
  • a rod 36 of triangular shape allows to take up both the forces exerted in the longitudinal direction and the forces exerted in the transverse direction.
  • the lower suspension element 18 is formed by a substantially straight rod articulated at one point, formed by a single bracket 34, on the lower part of the crossbar 4 and at a point formed by the lower bracket 32, on the lower part of the axle 6.
  • This rectilinear rod allows to resume the efforts in the longitudinal direction.
  • the suspension means further comprise a lateral rod 33 extending substantially transversely above the axle 6 and articulated on the one hand on the axle box 14 and on another by a integral element of the cross member 4, such as a part of the drive means 10. The lateral rod 33 then allows to take the transverse forces.
  • the upper suspension element 20 is hinged to an upper yoke 38 of the axle box 14, the upper yoke 38 extending above the axle 6, opposite the lower caliper 32.
  • the upper suspension element 20 is articulated about a substantially transverse axis D and extending substantially in the same vertical plane as the axis A of the axle 6.
  • the upper suspension element 20 is further articulated on a bracket 40 provided on the upper part of the crossbar 4, facing the upper stirrup 38, about a substantially transverse axis E and extending substantially in the same vertical plane as the axis C around which the lower suspension element 18 is articulated on the crossbar 4
  • the upper suspension element 20 is formed by a substantially rectilinear connecting rod 42 articulated at one point, formed by the stirrup 40, on the upper part of the crossmember 4 and at a point formed by the upper stirrup 38, on the upper part of the axle 6.
  • the upper suspension element 20 is formed by a jack 44 articulated at one point, formed by the stirrup 40, on the upper part of the crossbar 4 and at a point, formed by the upper stirrup 38, on the part upper axle 6.
  • the cylinder 44 comprises a body 46 and a rod 48 movable in translation relative to the body 44.
  • the body 44 is articulated on the upper part of the axle 6 and the rod 48 is articulated on the part 4.
  • the upper suspension element 22 makes it possible to orient the axle 6 with respect to the crossbar 4 in curve thanks to the displacement of the rod 48 with respect to the body 46.
  • the diagonal suspension element 22 is articulated on an intermediate bracket 49 of the axle box 14.
  • the intermediate bracket 49 extends between the lower and upper stirrups 32 at the level of the axle 6.
  • the diagonal suspension 22 is articulated about a substantially transverse axis F, extending in a vertical plane, between the vertical plane passing through the axis A of the axle 6 and the vertical plane passing through the axes C and E, around which the lower suspension elements 18 and upper 20 are articulated on the crossbar 4.
  • the intermediate stirrup 49 is formed by the same flanges 26 which form the lower stirrup 34, said flanges thus each comprising two receptacles 28 for receiving hinge pins.
  • the diagonal suspension element 22 is further articulated on a stirrup 50 provided on the upper part of the crossbar 4, under the stirrup 40 on which is articulated the upper suspension element 20, about a substantially transverse axis G and extending substantially in the same vertical plane as the axes C and E around which are articulated the lower suspension elements 18 and upper 20.
  • the stirrup 50 is formed by the same flanges 26 who form the stirrup 40, said flanges each comprising two housing 28 for receiving hinge pins.
  • the diagonal suspension element 22 is formed by a flexible connecting rod 52 provided with a spring 54 articulated at one point, formed by the intermediate stirrup 49, on the lower part of the axle 6 and at a point formed by the stirrup 50, on the upper part of the crossbar 4.
  • the diagonal suspension element 22 is formed by a substantially rectilinear connecting rod 56 articulated at one point, formed by the intermediate stirrup 49, on the lower part of the axle 6 and at a point formed by the stirrup 50, on the upper part of the crossbar 4.
  • the lower suspension element 18 and the diagonal suspension element 22 form the suspension means for damping the deformations, such as left lanes.
  • the stiffness of the suspension is adjusted by the stiffness of the spring 54 of the flexible rod 52 forming the diagonal suspension element.
  • the stiffness of the suspension is regulated by the stiffness of the joints between the lower suspension elements 18 and diagonal 22 and the crossbar 4 and the box axle 14.
  • the upper suspension element 20 forms, meanwhile, means for locking the axle box 14 in rotation and prevents the axle box 14 from being rotated with the axle 6.
  • the materials forming the connecting rods described above are chosen to have satisfactory mechanical characteristics to take the longitudinal and transverse forces efficiently. These materials are for example selected from steel, light alloys, composite materials.
  • the bogie described above has a mass lower than conventional bogies because of the simplicity of the structure of the frame 2.
  • the suspension means 16 can transfer the forces effectively to the center of the frame 2, formed by the crossbar 4
  • the suspension elements forming these suspension means are simple to produce and do not have a complex structure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (10)

  1. Fahrgestell (1) für ein Schienenfahrzeug umfassend:
    - ein Chassis (2), das eine sich im Wesentlichen quer erstreckende Traverse (4) aufweist, die dazu dient, die funktionellen Ausrüstungsteile des Fahrgestells zu tragen,
    - mindestens eine Achse (6), die sich im Wesentlichen quer parallel zur Traverse (4) erstreckt und drehbar in Bezug auf das Chassis (2) montiert ist, wobei ein Rad (8) an jedem der querliegenden Endbereiche der Achse (6) befestigt ist,
    - Aufhängungsmittel (16), die die Achse (6) an dem Chassis (2) befestigen,
    wobei die Aufhängungsmittel (16) drei Aufhängungselemente (18, 20, 22) umfassen:
    - ein unteres Aufhängungselement (18), das einen unteren Teil der Achse (6) mit einem unteren Teil der Traverse (4) verbindet,
    - ein oberes Aufhängungselement (20), das ein oberes Teil der Achse (6) mit einem oberen Teil der Traverse (4) verbindet, und
    - ein diagonales Aufhängungselement (22), das sich zwischen dem unteren Aufhängungselement (18) und dem oberen Aufhängungselement (20) erstreckt, dadurch gekennzeichnet, dass das diagonale Aufhängungselement den unteren Teil der Achse (6) mit dem oberen Teil der Traverse (4) verbindet.
  2. Fahrgestell nach Anspruch 1, bei dem das untere Aufhängungselement (18) durch eine im Wesentlichen dreieckförmige Koppelstange (36) gebildet wird, die an zwei Punkten an dem unteren Teil der Traverse (4) und an einem Punkt an dem unteren Teil der Achse (6) angelenkt ist.
  3. Fahrgestell nach Anspruch 1, bei dem das untere Aufhängungselement (18) durch eine im Wesentlichen geradlinige Koppelstange (35) gebildet wird, die an einem Punkt an dem unteren Teil der Traverse (4) und an einem Punkt an dem unteren Teil der Achse (6) angelenkt ist, wobei die Aufhängungsmittel (16) außerdem eine Seitenkoppelstange (33) umfassen, die sich im Wesentlichen quer über der Achse (6) zwischen dem oberen Teil der Achse (6) und einem an der Traverse (4) befestigten Element erstreckt.
  4. Fahrgestell nach einem beliebigen der Ansprüche 1 bis 3, bei dem das obere Aufhängungselement (20) durch eine im Wesentlichen geradlinige Koppelstange (42) gebildet wird, die an einem Punkt an dem oberen Teil der Traverse (4) und an einem Punkt an dem oberen Teil der Achse (6) angelenkt ist.
  5. Fahrgestell nach einem beliebigen Ansprüche 1 bis 3, bei dem das obere Aufhängungselement (20) von einem Zylinder (44) gebildet wird, der an einem Punkt an dem oberen Bereich der Traverse (4) und an einem Punkt an dem oberen Teil der Achse (6) angelenkt ist, wobei der Zylinder (44) einen Körper (46) und eine Stange (48) umfasst, die in Bezug auf den Körper (46) translatorisch beweglich ist, wobei der Körper (46) an dem oberen Teil entweder der Achse (6) oder der Traverse (4) angelenkt ist und die Stange an dem oberen Teil des jeweils anderen, entweder der Traverse (4) oder der Achse (6), angelenkt ist.
  6. Fahrgestell nach einem beliebigen der Ansprüche 1 bis 5, bei dem das diagonale Aufhängungselement (22) durch eine flexible, mit einer Feder (54) ausgerüstete Koppelstange (52) gebildet ist, die an einem Punkt an dem unteren Teil der Achse (6) und an einem Punkt an dem oberen Teil der Traverse (4) angelenkt ist.
  7. Fahrgestell nach einem beliebigen der Ansprüche 1 bis 5, bei dem das diagonale Aufhängungselement (22) durch eine im Wesentlichen geradlinige Koppelstange (56) gebildet wird, die an einem Punkt an dem unteren Teil der Achse (6) und an einem Punkt an dem oberen Teil der Traverse (4) angelenkt ist.
  8. Fahrgestell nach einem beliebigen der Ansprüche 1 bis 7, bei dem die Achse (6) mindestens einen Achskasten (14) umfasst, der in der Nähe eines Rades (8) angeordnet ist und in dem die Achse (6) zur Drehung montiert ist, wobei die drei Aufhängungselemente (18, 20, 22) an dem Achskasten (14) angelenkt sind.
  9. Fahrgestell nach Anspruch 8, bei dem der Achskasten (14) einen oberen Bügel (38), der sich über der Achse (6) erstreckt, wobei das Aufhängungselement (20) an dem oberen Bügel (38) angelenkt ist, einen unteren Bügel (24), der sich unter der Achse (6) in Gegenüberstellung zu dem oberen Bügel (38) erstreckt, wobei das untere Aufhängungselement (18) an dem unteren Bügel (24) angelenkt ist, und einen Zwischenbügel (49) umfasst, der sich unter der Achse (6) zwischen dem oberen Bügel (38) und dem unteren Bügel (24) erstreckt, wobei das diagonale Element (22) an dem Zwischenbügel (49) angelenkt ist.
  10. Fahrgestell nach einem beliebigen der Ansprüche 1 bis 9, bei dem das Fahrgestell zwei Achsen (6) umfasst, die sich beidseitig von der Traverse (4) des Chassis (2) erstrecken, wobei jede Achse (6) an dem Chassis (2) durch Aufhängungsmittel (16) befestigt ist, die drei Aufhängungselemente (18, 20, 22) umfassen, die die Achse (6) mit der Traverse (4) in der Nähe jedes Rades (8) verbinden.
EP20120305064 2011-01-17 2012-01-17 Aufgehängtes Fahrgestell für Schienenfahrzeug Active EP2476600B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150347A FR2970457B1 (fr) 2011-01-17 2011-01-17 Bogie de vehicule ferroviaire suspendu

Publications (2)

Publication Number Publication Date
EP2476600A1 EP2476600A1 (de) 2012-07-18
EP2476600B1 true EP2476600B1 (de) 2013-12-25

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EP20120305064 Active EP2476600B1 (de) 2011-01-17 2012-01-17 Aufgehängtes Fahrgestell für Schienenfahrzeug

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EP (1) EP2476600B1 (de)
CN (1) CN102673597B (de)
ES (1) ES2442216T3 (de)
FR (1) FR2970457B1 (de)
RU (1) RU2578948C2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2724567C2 (ru) * 2016-03-25 2020-06-23 Альстом Транспорт Текнолоджис Колесная тележка железнодорожного вагона, содержащая смещенное устройство первичной подвески

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104057971B (zh) * 2014-06-30 2017-06-27 中国铁路总公司 一种车轴齿轮箱悬挂方法和装置及使用该装置的作业车
FR3049253B1 (fr) * 2016-03-25 2018-04-20 Alstom Transport Technologies Bogie de vehicule ferroviaire comprenant un chassis abaisse
DE102020206252A1 (de) * 2020-05-18 2021-11-18 Siemens Mobility GmbH Fahrwerk für ein Schienenfahrzeug

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
BE418575A (de) * 1936-07-08
CH248137A (de) * 1943-02-27 1947-04-15 Filippini Elvio Nachgiebige Abstützung der Achsbüchsen an einem Fahrzeug.
BE553265A (de) * 1955-12-08
DE1176689B (de) * 1961-01-11 1964-08-27 Alweg Ges Mit Beschraenkter Ha Aufhaengung angetriebener Raeder von Schienen- oder Strassenfahrzeugen
FR2159772A5 (de) * 1971-11-12 1973-06-22 Creusot Loire
RU2209741C2 (ru) * 2001-09-05 2003-08-10 Савоськин Анатолий Николаевич Одноосная тележка рельсового транспортного средства
UA50953C2 (en) * 2001-09-28 2005-06-15 Kriukiv Carriage Building Work Passenger car truck with mechanism of radial mounting of wheel pair
FR2914610A1 (fr) * 2007-04-05 2008-10-10 Alstom Transport Sa Dispositif de suspension primaire d'un bogie de vehicule ferroviaire
CN101434244A (zh) * 2008-12-15 2009-05-20 株洲时代新材料科技股份有限公司 一种轨道车辆用一系悬挂方法及系统
FR2946308B1 (fr) * 2009-06-05 2011-08-05 Alstom Transport Sa Bogie de vehicule ferroviaire articule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2724567C2 (ru) * 2016-03-25 2020-06-23 Альстом Транспорт Текнолоджис Колесная тележка железнодорожного вагона, содержащая смещенное устройство первичной подвески

Also Published As

Publication number Publication date
CN102673597B (zh) 2016-02-24
FR2970457B1 (fr) 2013-02-15
EP2476600A1 (de) 2012-07-18
RU2012101411A (ru) 2013-07-27
CN102673597A (zh) 2012-09-19
FR2970457A1 (fr) 2012-07-20
RU2578948C2 (ru) 2016-03-27
ES2442216T3 (es) 2014-02-10

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