EP3222486B1 - Schienenfahrzeugdrehgestell, das ein abgesenktes fahrgestell umfasst - Google Patents

Schienenfahrzeugdrehgestell, das ein abgesenktes fahrgestell umfasst Download PDF

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Publication number
EP3222486B1
EP3222486B1 EP17162857.1A EP17162857A EP3222486B1 EP 3222486 B1 EP3222486 B1 EP 3222486B1 EP 17162857 A EP17162857 A EP 17162857A EP 3222486 B1 EP3222486 B1 EP 3222486B1
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EP
European Patent Office
Prior art keywords
axle box
articulation
rotation
axis
bogie
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.)
Active
Application number
EP17162857.1A
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English (en)
French (fr)
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EP3222486A1 (de
Inventor
Fabrice COTTIN
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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Publication date
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Priority to PL17162857T priority Critical patent/PL3222486T3/pl
Publication of EP3222486A1 publication Critical patent/EP3222486A1/de
Application granted granted Critical
Publication of EP3222486B1 publication Critical patent/EP3222486B1/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
    • 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
    • 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
    • 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
    • B61F5/301—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating metal springs

Definitions

  • the present invention relates to a railway vehicle bogie, of the type comprising a chassis comprising at least one spar extending in a longitudinal direction and at least one wheel, said wheel being mounted on an axle box and being rotatable relative to at said axle box about an axis of rotation substantially perpendicular to the longitudinal direction, said axle box being fixed to the spar by a primary suspension device comprising an elastic element arranged to allow a movement in a direction of elevation of the chassis relative to the axle box and to the wheel, the elevation direction being substantially perpendicular to the longitudinal direction and to the axis of rotation, said elastic element extending between a plate integral with the box; axle and a support surface secured to the chassis.
  • the invention also relates to a railway vehicle comprising such a bogie.
  • each primary suspension generally comprises a resilient element 1, such as a coil spring, extending between a plate 2 disposed on the axle box 4 and a bearing surface 6 s extending under a beam 8 of the chassis.
  • a resilient element 1 such as a coil spring
  • a travel in a direction of elevation substantially vertical when the rail vehicle is traveling, is allowed between the axle and the frame, which allows the desired damping.
  • Such an arrangement is necessary to allow the recovery of the forces applied by the mass of the vehicle extending above the bogie.
  • such a bogie architecture requires that the spar 6 extends above the axle box, which increases the size of the bogie in the direction of elevation.
  • Such a size can be inconvenient, especially for railway vehicles whose cars have two floors, which requires a lower floor.
  • a bogie too bulky it is not possible to have two floors to the right of the bogie without greatly limiting the volume of the passenger compartment, which is uncomfortable for the movement of passengers.
  • Some railway vehicles plan to have only one passage, called the interconnection passage, on a single floor at the bogies' right, which makes it necessary to borrow a stairway to pass from one car to another when a passenger is not at the level at which the interchange passage extends.
  • bogies making it possible to reduce the vertical bulk are known for example from FR 2 914 610 A1 or EP 0 326 179 A1 .
  • One of the aims of the invention is to overcome these disadvantages by proposing a bogie whose size, especially in the direction of elevation, is reduced.
  • the invention relates to a bogie of the aforementioned type, wherein the plate, the bearing surface and the elastic element are arranged in the longitudinal direction between the axis of rotation and the spar.
  • the primary suspension device further comprises a lower connecting rod hinged on the one hand to a lower hinge point of the spar and on the other hand to a lower hinge point of the spider.
  • axle box and an upper link articulated firstly to an upper articulation point of the spar and secondly to an upper articulation point of the axle box, the lower articulation point and the point of upper articulation of the spar, respectively of the axle box, extending one below the other in the direction of elevation, the plate, the bearing surface and the elastic element being arranged in the direction of elevation between the lower link and the upper link.
  • the lower and upper connecting rods make it possible to take up the forces applied between the chassis and the rolling part of the bogie according to the elevation direction and to recover the torque generated by the cantilevered mounting of the elastic element with respect to the axis. of rotation.
  • the term “longitudinal” is defined with respect to the direction of movement of a railway vehicle on rails.
  • the term “transverse” is defined in a direction perpendicular to the longitudinal direction and corresponding to the direction in which the rails are spaced.
  • the term “elevation” is defined in a direction perpendicular to the longitudinal direction and the transverse direction. When the railway vehicle is traveling on horizontal rails, the longitudinal and transverse directions are substantially horizontal and the elevation direction is substantially vertical.
  • the terms “below” and “above” are defined relative to the elevation direction.
  • a bogie 10 comprising a frame 12 and at least one wheel 14 connected to a spar 16 of the frame 12 via an axle box 18 and a primary suspension device 20 is described.
  • the bogie 10 comprises, conventionally, four wheels 14 each connected to the frame 12 via an axle box 18 and a primary suspension device 18.
  • the wheels 14 are connected in pairs by a shaft 22 so as to form two axles each mounted to rotate in a pair of axle boxes 18.
  • the frame 12 comprises two longitudinal members 16 each connecting one of the axle boxes 18 of a pair to one of the axle boxes 18 of the other pair of axle boxes 18.
  • the longitudinal members 16 are for example connected to each other by two cross members 24.
  • this particular bogie structure 10 is given only as an example and other structures could be considered.
  • each wheel could be rotatably mounted in an axle box independently of the others.
  • the bogie could comprise more than two longitudinal members, for example articulated between them.
  • the wheels have been shown as extending outside the bogie 10, but they could be arranged inside.
  • the bogie may be motorized or not, that is to say that it may or may not comprise one or two motors for rotating one or both axles of the truck 10.
  • the wheel 14 is rotatable relative to the axle box 18 about a substantially transverse axis of rotation A and has a height h, measured in the direction of elevation, equal to the diameter of the wheel 14.
  • the height h is for example substantially between 750 mm and 1250 mm.
  • the spar 16 extends in a longitudinal direction at a height h ', measured in the direction of elevation, less than the height h of the wheel.
  • a height h ' measured in the direction of elevation, less than the height h of the wheel.
  • the spar 16 does not include any portion rising above the axle box 18, as shown in FIG. figure 2 .
  • the height h ' is for example substantially between 475 mm and 725 mm. Such a result can be obtained thanks to the primary suspension device 20 according to the invention as will be described later.
  • the spar 16 When the primary suspension device 20 is not stressed, the spar 16 extends substantially to the same height as the axle box 18 facing it.
  • the primary suspension device 20 extends in the longitudinal direction between a longitudinal end 26 of the spar 16 and the axle box 18 so as to suspendably connect the axle box 18 to the spar 16.
  • the primary suspension device 20 comprises at least one elastic element 28 extending between a plate 30 integral with the axle box 18 and a bearing surface 32 integral with the spar 16.
  • the plate 30 and the axle box 18 form a single piece.
  • the bearing surface 32 and the spar 16 form a single piece.
  • the bearing surface 32 extends above and parallel to the plate 30 so as to define between them a space extending in a direction of elevation in which the elastic member 28 extends.
  • the plate 30 is secured to a lower portion 34 of the axle box 18 and extends longitudinally from it to the longitudinal end 26 of the spar 16.
  • the plate 30 is offset longitudinally to the inside the bogie 10 relative to the axis of rotation A.
  • the bearing surface 32 extends longitudinally facing the plate 30 from an upper portion 36 of the spar 16, that is to say that the bearing surface 32 is shifted longitudinally towards the axle box 18 with respect to the longitudinal end 26 of the spar 16.
  • the elastic element 28 is for example formed by a helical spring whose axis extends in the direction of elevation and whose ends bear on the plate 30 on the one hand and on the bearing surface 32 of somewhere else.
  • the primary suspension device comprises two coaxial coil springs, one of the springs extending inside the other and wound in opposite directions.
  • the elastic element 28 extending between the plate 30 and the bearing surface 32, this elastic element 28 is also arranged between the axle box 18 and the longitudinal end 26 of the beam 16 in the longitudinal direction.
  • the primary suspension device further comprises two connecting rods, namely a lower link 38 and an upper connecting rod 40 each joining the longitudinal end 26 of the spar 16 to the axle box 18.
  • the lower rods 38 and 40 are identical, that is to say they have the same shape and the same length, and extend in parallel in substantially longitudinal directions when the primary suspension device is not requested.
  • Each connecting rod 38, 40 is hinged on one hand at one of its ends to the axle box 18 and on the other hand at its end to the spar 16 about axes of articulation substantially parallel to the axis of rotation A.
  • the lower link 38 is articulated to the lower portion 34 of the axle box 18 on the one hand and to a lower portion 42 of the spar 16 on the other hand.
  • the lower articulation point 44 between the lower connecting rod 38 and the lower part 34 is shifted longitudinally and in the direction of elevation with respect to the axis of rotation A.
  • the lower articulation point 44 is shifted towards the tray 30 according to the direction longitudinal and is disposed under the axis of rotation A in the direction of elevation, as visible on the figure 2 .
  • the upper link 40 is articulated to an upper portion 46 of the axle box on the one hand and to the upper portion 36 of the spar 16 on the other hand.
  • the upper articulation point 48 between the upper link 40 and the upper part 46 is offset longitudinally and in the direction of elevation relative to the axis of rotation A.
  • the upper articulation point 48 is shifted towards the outside the bogie in the longitudinal direction and is disposed above the axis of rotation A in the direction of elevation, as visible on the figure 2 .
  • the lower articulation points 44 and upper 48 are arranged on either side of the axis of rotation A in the longitudinal direction and in the direction of elevation. According to the embodiment shown on the figure 2 , the lower articulation points 44 and upper 48 and the axis of rotation A are aligned along a line inclined with respect to the longitudinal direction and the elevation direction.
  • the lower and upper links 38 being identical, the lower articulation point 50 between the lower link 38 and the lower part 42 of the spar and the upper articulation point 52 between the upper link 40 and the upper part 36 of the spar are also offset relative to each other in the longitudinal direction and in the direction of elevation.
  • the articulation points 44, 48, 50, 52 form a deformable parallelogram according to the movement of the connecting rods induced by the movement of the spar 16 relative to the axle box 18.
  • Such a deformable parallelogram makes it possible to take up the forces applied. between the frame and the rolling part of the bogie according to the elevation direction and resume the torque generated by the cantilevered mounting of the elastic member relative to the axis of rotation A, that is to say the offset mounting in the longitudinal direction of the elastic member 28 relative to the axis of rotation A.
  • the plate 30, the bearing surface 32 and the elastic element 28 extend between the lower link 38 and the upper link 40 in the elevation direction.
  • the bulk of the frame 12 in the direction of elevation is reduced, since the height h 'at which the spar 16 extends may be less than the height h of the wheel, as described above, while maintaining an effective primary articulation device 20 able to suspend the frame 12 relative to the axle box 18.
  • Such a bogie is particularly suitable for low floor rail vehicles, in which it is desired that the low floor also extends to the right of the bogie without limiting the available volume volume volume. This is for example the case in a two-stage railway vehicle in which the interconnection passage connecting two cars extending above the bogie also comprises two floors.
  • the interconnecting passage comprises a lower floor connecting the lower floors of two adjacent cars and an upper floor connecting the upper floors of these two cars, the lower floor passing over the bogie. Since frame members 16 extend at a reduced height, the height of the lower floor of the interconnect passage may also be reduced, thereby increasing the available space in the interconnect passage.
  • Such a truck can also be used when it extends directly under a car lowered lower floor.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Handcart (AREA)
  • Springs (AREA)

Claims (10)

  1. Drehgestell (10) für ein Schienenfahrzeug, welches einen Rahmen (12) aufweist, welcher aufweist mindestens einen Längsträger (16), der sich entlang einer Längsrichtung erstreckt, und mindestens ein Rad (14), wobei das besagte Rad (14) an einem Achslager (18) montiert ist und drehbeweglich bezüglich des besagten Achslagers (18) um eine Drehachse (A) herum ist, die im Wesentlichen senkrecht zur Längsrichtung ist, wobei das besagte Achslager (18) an dem Längsträger (16) befestigt ist mittels einer primären Aufhängungs-Vorrichtung (20), welche ein elastisches Element (28) aufweist, welches eingerichtet ist, um einen Ausschlag entlang einer Höhen-Richtung des Rahmens (12) in Bezug auf das Achslager (18) und auf das Rad (14) zu erlauben, wobei die Höhen-Richtung im Wesentlichen senkrecht zur Längsrichtung und zur Drehachse (A) ist, wobei sich das besagte elastische Element (28) zwischen einer Platte (30), die mit dem Achslager (18) fest verbunden ist, und einer Anliege-Fläche (32), die mit dem Rahmen (12) fest verbunden ist, erstreckt, dadurch gekennzeichnet, dass die Platte (30), die Anliege-Fläche (32) und das elastische Element (28) entlang der Längsrichtung zwischen der Drehachse (A) und dem Längsträger (16) angeordnet sind.
  2. Drehgestell gemäß Anspruch 1, wobei die primäre Aufhängungs-Vorrichtung (20) ferner aufweist eine untere Verbindungsstange (38), die einerseits mit einem unteren Gelenkpunkt (50) des Längsträgers (16) und andererseits mit einem unteren Gelenkpunkt (44) des Achslagers (18) gelenkverbunden ist, und eine obere Verbindungsstange (40), die einerseits mit einem oberen Gelenkpunkt (52) des Längsträgers (16) und andererseits mit einem oberen Gelenkpunkt (48) des Achslagers (18) gelenkverbunden ist, wobei sich der untere Gelenkpunkt (50, 44) und der obere Gelenkpunkt (52, 48) des Längsträgers (16), respektive des Achslagers (18), entlang der Höhen-Richtung untereinander erstrecken, wobei die Platte (30), die Anliege-Fläche (32) und das elastische Element (28) entlang der Höhen-Richtung zwischen der unteren Verbindungsstange (38) und der oberen Verbindungsstange (40) angeordnet sind.
  3. Drehgestell gemäß Anspruch 2, wobei der untere Gelenkpunkt (44) und der obere Gelenkpunkt (48) des Achslagers (18) entlang der Höhen-Richtung beiderseits der Drehachse (A) angeordnet sind.
  4. Drehgestell gemäß Anspruch 2 oder 3, wobei der untere Gelenkpunkt (44) und der obere Gelenkpunkt (48) des Achslagers (18) entlang der Längsrichtung beiderseits der Drehachse (A) angeordnet sind.
  5. Drehgestell gemäß irgendeinem der Ansprüche 2 bis 4, wobei die Achsen zur Anlenkung der unteren (38) und der oberen (40) Verbindungsstange an den Längsträger (16) und an das Achslager (18) im Wesentlichen parallel zur Drehachse (A) sind.
  6. Drehgestell gemäß irgendeinem der Ansprüche 2 bis 5, wobei die untere Verbindungsstange (38) und die obere Verbindungsstange (40) die gleiche Länge haben.
  7. Drehgestell gemäß irgendeinem der Ansprüche 1 bis 6, wobei die Anliege-Fläche (32) sich entlang der Längsrichtung ausgehend von einem Längsende (26) des Längsträgers (16) in Richtung zu dem Achslager (18) hin erstreckt, wobei sich das besagte Längsende (26) entlang der Längsrichtung gegenüberliegend zu dem Achslager (18) erstreckt.
  8. Drehgestell gemäß irgendeinem der Ansprüche 1 bis 7, wobei sich der Längsträger (16) bis zu einer Höhe (h') erstreckt, die, gemessen entlang der Höhen-Richtung, geringer als die Höhe (h) des Rades (14) ist.
  9. Drehgestell gemäß irgendeinem der Ansprüche 1 bis 8, wobei das elastische Element (28) mindestens eine Schraubenfeder mit einer Achse aufweist, die sich entlang der Höhen-Richtung erstreckt.
  10. Drehgestell gemäß irgendeinem der Ansprüche 1 bis 9, wobei der Rahmen (12) mindestens zwei Längsträger (16) aufweist, bei denen jedes der Längsenden (16) an einem Achslager (18) befestigt ist mittels einer primären Gelenk-Vorrichtung (20), wobei ein Rad (14) drehbeweglich an jedem der besagten Achslager (18) montiert ist, wobei sich die elastischen Elemente (28) der primären Gelenk-Vorrichtungen (20) entlang der Längsrichtung alle zwischen einem Achslager (18) und einem Längsende (26) des Längsträgers (16) erstrecken.
EP17162857.1A 2016-03-25 2017-03-24 Schienenfahrzeugdrehgestell, das ein abgesenktes fahrgestell umfasst Active EP3222486B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17162857T PL3222486T3 (pl) 2016-03-25 2017-03-24 Wózek wagonowy środka transportu kolejowego zawierający obniżoną ostoję

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1652637A FR3049253B1 (fr) 2016-03-25 2016-03-25 Bogie de vehicule ferroviaire comprenant un chassis abaisse

Publications (2)

Publication Number Publication Date
EP3222486A1 EP3222486A1 (de) 2017-09-27
EP3222486B1 true EP3222486B1 (de) 2019-01-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17162857.1A Active EP3222486B1 (de) 2016-03-25 2017-03-24 Schienenfahrzeugdrehgestell, das ein abgesenktes fahrgestell umfasst

Country Status (6)

Country Link
EP (1) EP3222486B1 (de)
ES (1) ES2721770T3 (de)
FR (1) FR3049253B1 (de)
PL (1) PL3222486T3 (de)
RU (1) RU2724473C2 (de)
TR (1) TR201905650T4 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114312889B (zh) * 2021-11-22 2023-07-07 中车株洲电力机车有限公司 一种转向架

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH348980A (de) * 1957-02-23 1960-09-30 Inventio Ag Drehgestell an Schienenfahrzeugen
FR1253350A (fr) * 1959-12-30 1961-02-10 Const Du Ct Atel Bogie perfectionné
FR2626540B1 (fr) * 1988-01-28 1990-05-18 Alsthom Creusot Rail Suspension primaire de bogie
FR2914610A1 (fr) * 2007-04-05 2008-10-10 Alstom Transport Sa Dispositif de suspension primaire d'un bogie de vehicule ferroviaire
FR2970457B1 (fr) * 2011-01-17 2013-02-15 Alstom Transport Sa Bogie de vehicule ferroviaire suspendu
DE102011110090A1 (de) * 2011-08-12 2013-02-14 Bombardier Transportation Gmbh Radträgeranlenkung für ein Schienenfahrzeug
FR2991956B1 (fr) * 2012-06-18 2014-07-04 Alstom Transport Sa Bogie de vehicule ferroviaire a suspensions perfectionnees, notamment pour un tramway a plancher bas
RU154856U1 (ru) * 2015-02-20 2015-09-10 Общество с ограниченной ответственностью "ПК Транспортные системы" (ООО "ПК ТС") Трамвайный вагон со 100% пониженным уровнем пола
RU159661U1 (ru) * 2015-06-01 2016-02-20 Публичное акционерное общество "Крюковский вагоностроительный завод" (ПАО "КВСЗ") Приводная тележка вагонов электропоезда

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
TR201905650T4 (tr) 2019-05-21
RU2017109703A3 (de) 2020-05-13
FR3049253A1 (fr) 2017-09-29
ES2721770T3 (es) 2019-08-05
RU2017109703A (ru) 2018-09-25
RU2724473C2 (ru) 2020-06-23
EP3222486A1 (de) 2017-09-27
FR3049253B1 (fr) 2018-04-20
PL3222486T3 (pl) 2019-07-31

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