EP3222486A1 - Schienenfahrzeugdrehgestell, das ein abgesenktes fahrgestell umfasst - Google Patents
Schienenfahrzeugdrehgestell, das ein abgesenktes fahrgestell umfasst Download PDFInfo
- Publication number
- EP3222486A1 EP3222486A1 EP17162857.1A EP17162857A EP3222486A1 EP 3222486 A1 EP3222486 A1 EP 3222486A1 EP 17162857 A EP17162857 A EP 17162857A EP 3222486 A1 EP3222486 A1 EP 3222486A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axle box
- spar
- elevation
- axis
- rotation
- 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
- 239000000725 suspension Substances 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- B61F5/26—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.
- 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.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Handcart (AREA)
- Springs (AREA)
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 true EP3222486A1 (de) | 2017-09-27 |
EP3222486B1 EP3222486B1 (de) | 2019-01-23 |
Family
ID=56101650
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) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114312889A (zh) * | 2021-11-22 | 2022-04-12 | 中车株洲电力机车有限公司 | 一种转向架 |
CN117622233A (zh) * | 2023-12-01 | 2024-03-01 | 广东京兰空铁发展有限公司 | 一种转向架系统及悬挂式单轨车辆 |
Citations (7)
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 |
EP0326179A1 (de) * | 1988-01-28 | 1989-08-02 | Gec Alsthom Sa | Primäre Aufhängung für Schienenfahrzeuge |
FR2914610A1 (fr) * | 2007-04-05 | 2008-10-10 | Alstom Transport Sa | Dispositif de suspension primaire d'un bogie de vehicule ferroviaire |
EP2476600A1 (de) * | 2011-01-17 | 2012-07-18 | ALSTOM Transport SA | Aufgehängtes Fahrgestell für Schienenfahrzeug |
EP2557015A2 (de) * | 2011-08-12 | 2013-02-13 | Bombardier Transportation GmbH | Fahrgestelleinheit für ein Schienenfahrzeug |
EP2676859A1 (de) * | 2012-06-18 | 2013-12-25 | ALSTOM Transport SA | Fahrgestell eines Schienenfahrzeugs mit perfektionierten Aufhängungen, insbesondere für eine Niederflur-Straßenbahn |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
2016
- 2016-03-25 FR FR1652637A patent/FR3049253B1/fr not_active Expired - Fee Related
-
2017
- 2017-03-23 RU RU2017109703A patent/RU2724473C2/ru active
- 2017-03-24 TR TR2019/05650T patent/TR201905650T4/tr unknown
- 2017-03-24 PL PL17162857T patent/PL3222486T3/pl unknown
- 2017-03-24 ES ES17162857T patent/ES2721770T3/es active Active
- 2017-03-24 EP EP17162857.1A patent/EP3222486B1/de active Active
Patent Citations (7)
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 |
EP0326179A1 (de) * | 1988-01-28 | 1989-08-02 | Gec Alsthom Sa | Primäre Aufhängung für Schienenfahrzeuge |
FR2914610A1 (fr) * | 2007-04-05 | 2008-10-10 | Alstom Transport Sa | Dispositif de suspension primaire d'un bogie de vehicule ferroviaire |
EP2476600A1 (de) * | 2011-01-17 | 2012-07-18 | ALSTOM Transport SA | Aufgehängtes Fahrgestell für Schienenfahrzeug |
EP2557015A2 (de) * | 2011-08-12 | 2013-02-13 | Bombardier Transportation GmbH | Fahrgestelleinheit für ein Schienenfahrzeug |
EP2676859A1 (de) * | 2012-06-18 | 2013-12-25 | ALSTOM Transport SA | Fahrgestell eines Schienenfahrzeugs mit perfektionierten Aufhängungen, insbesondere für eine Niederflur-Straßenbahn |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114312889A (zh) * | 2021-11-22 | 2022-04-12 | 中车株洲电力机车有限公司 | 一种转向架 |
CN117622233A (zh) * | 2023-12-01 | 2024-03-01 | 广东京兰空铁发展有限公司 | 一种转向架系统及悬挂式单轨车辆 |
CN117622233B (zh) * | 2023-12-01 | 2024-07-09 | 广东京兰空铁发展有限公司 | 一种转向架系统及悬挂式单轨车辆 |
Also Published As
Publication number | Publication date |
---|---|
TR201905650T4 (tr) | 2019-05-21 |
FR3049253B1 (fr) | 2018-04-20 |
RU2724473C2 (ru) | 2020-06-23 |
EP3222486B1 (de) | 2019-01-23 |
RU2017109703A3 (de) | 2020-05-13 |
RU2017109703A (ru) | 2018-09-25 |
ES2721770T3 (es) | 2019-08-05 |
PL3222486T3 (pl) | 2019-07-31 |
FR3049253A1 (fr) | 2017-09-29 |
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