EP2020355B1 - Low construction height bogie for low-floor rail vehicles especially trams - Google Patents

Low construction height bogie for low-floor rail vehicles especially trams Download PDF

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Publication number
EP2020355B1
EP2020355B1 EP08466019A EP08466019A EP2020355B1 EP 2020355 B1 EP2020355 B1 EP 2020355B1 EP 08466019 A EP08466019 A EP 08466019A EP 08466019 A EP08466019 A EP 08466019A EP 2020355 B1 EP2020355 B1 EP 2020355B1
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EP
European Patent Office
Prior art keywords
bogie
cradle
low
vehicle
springing
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
EP08466019A
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German (de)
English (en)
French (fr)
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EP2020355A1 (en
Inventor
Milos Zelingr
Jan Kural
Tomás Heptner
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.)
Vukv AS
Original Assignee
Vukv AS
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Filing date
Publication date
Application filed by Vukv AS filed Critical Vukv AS
Priority to PL08466019T priority Critical patent/PL2020355T3/pl
Publication of EP2020355A1 publication Critical patent/EP2020355A1/en
Application granted granted Critical
Publication of EP2020355B1 publication Critical patent/EP2020355B1/en
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Classifications

    • 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
    • B61F3/00—Types of bogies
    • B61F3/12—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains
    • B61F3/125—Types of bogies specially modified for carrying adjacent vehicle bodies of articulated trains with more than one axle or wheel set

Definitions

  • the invention concerns the bogie of low rail vehicle for passenger traffic especially trams.
  • Low-floor tram vehicles have nowadays been produced along most of the vehicle length, whereas, the standard floor height can (for low vehicles) be specified within the range of 350 ⁇ 450 mm above the upper surface of the rail.
  • the minimum standard width is 600 mm.
  • the muti-segment low-floor rail vehicle especially tram known from patent document EP 1 741 610 and CZ 297213 , designed as two-segment and three-bogies vehicle, optionally could be protruded at least for one middle segment and one bogie, whereas vehicle is equipped with one side rotary bogie placed below the front and rear part of the vehicle segment and always with one middle bogie below each joint, i.e. the segment connection of the vehicle chasses, whereby on each middle bogie are in any case placed rotary two neighbouring vehicle chasses, each of them in separate linking point.
  • Rotary bogies of these vehicle are constructed so that within the space between the separate wheel pairs, respectively to the longitudinal axis of the vehicle, there are cradles, elements of the primary and secondary spring system, drivers, especially engines, transmissions, brakes arranged on the outer side of the chassis wheels
  • known constructions of primary and secondary spring systems are not suitable for rotary bogie of low-floor tram vehicles.
  • the fundamental aim of the invention was to create a low construction height bogie for a low-floor tram rail vehicle with such an organization of primary and secondary springing composition, which will enable the composition of the main parts of the bogie - axles, bogie frame, cradle - together with the components of the primary and secondary springing below the vehicle floor, at the standard height for low-floor vehicles, i.e. maximum 450mm above the upper rail surface, whose basis dwells in the concept of the bogie frame being situated in the middle part of the axle by means of springing elements of the primary springing system, e.g.
  • At least one spring cradle is then placed on bogie frame by means of secondary spring system elements.
  • the secondary springing is realised by the usual spring systems which are inserted into the bogie chassis spring holder, and which the cradle is placed on.
  • the secondary springing is composed so that its upper part is inserted into the cradle from below and its lower part is fixed in the spring holder, which is a part of the bogie frame and whose lower edge reaches the lower part of the middle part of the axle.
  • the composition of the bogie frame and the spring cradle occupies minimum height, given only by the building height of the cradle and bogie frame.
  • This part of the vehicle chassis lower part is connected with the bogie cradle by means of vertical axis rotary bearing, which is fixed to the cradle and vehicle chassis lower part which is inserted from above into the middle part of the cradle, so that the composition of the bogie cradle and the lower part of the vehicle chassis occupies minimum possible height given by the building height of the cradle which is necessary for the clearance between the cradle and the lower part of the vehicle chassis.
  • every bogie cradle is linked to the bogie chassis by means of a draw bar or a pair of draw bars, enabling the transition of longitudinal forces between the cradle and the bogie chassis, two vertical and at least one horizontal absorber, absorbing the vertical and horizontal movements within the secondary springing system, and the anti-swing stabilizer preventing the chassis from cross-swinging of the vehicle chassis in order to achieve the proper driving properties and keep the standardised vehicle gauge.
  • the bogie can bear one vehicle chassis if it is placed below the front or rear part of the vehicle or, it can bear two vehicle chassis in case the bogie is situated below the vehicle joint.
  • the bogie according to the invention is also possible to be used with multi-part low-floor tram vehicles of the regular realisation with non-rotary bogies, whereas the bogie itself is composed as a non-rotary one.
  • a bogie originally intended for the two vehicle chassis placement is the best choice, whereas, instead of two cradles, the vehicle chassis is directly placed onto the secondary springing.
  • the draw bars ensuring the transition of longitudinal forces, vertical and horizontal swing absorbers and stabilisers are then positioned between the bogie and vehicle chassis.
  • Figs. 1 and 2 represent the standard pass width for passengers X
  • fig. 2 presents standard width of low-pass of the vehicle above the boggie
  • figs. 3 represents the two-part three-bogie vehicle
  • fig. 4 and 5 depict the bogie realisation with 1 and two cradles.
  • Fig. 6 presents schematic cut through the bogie; figs 7 and 8 demonstrate the width of the row above the bogie in the realization with 1 and 2 cradles.
  • Multi-part low-floor tram rail vehicles depicted on the fig 3 as two-part, which is equipped with the first side rotary bogie 1 below the front part of segment A and the second rotary bogie 1 below the rear part of segment B and one middle bogie 2 below the joint - the segment connection A and B , where on the middle bogie 2 there are both adjacent ends of vehicle chassis of segments A and B , each with a separate vertical axis of rotation 4 respectively to the bogie 2 .
  • chassis A and B placed on rotary bearings with vertical axis of rotation 3 placed in a longitudinal axis of bogie in such a proximity from the middle of the common axis of one wheel pair of the bogie which is nearer to the middle part of the vehicle, so that it is possible to ensure convenient access to the driver's cabin and to the seats in the rear part of the vehicle.
  • the advantage of smaller transverse wheel movement respectively to the vehicle chassis is evident only with the wheel pairs closer to the middle of the vehicle; the wheel pairs further from the middle of the vehicle show bigger span of movement respectively to the vehicle chassis.
  • These wheel chassis do not block the passenger space because they move in the front part of the vehicle below the driver's cabin and in the rear part of the vehicle below the passenger seats, or, seen from the ground plan, in the bend following trajectory of the wheel pair moving below these seats.
  • composition of the bogie is to be found in the fig. 4 , 5 and 6 .
  • the bogies in realization 1 and 2 contain in the space between the separate wheel pairs 5 contain the elements of the primary 6 and secondary 7 springing.
  • each bogie realization 2 is thus equipped with two cradles 16b , always situated between the pairs of opposite wheels with common axis of rotation, whereas, the rotary axis 3 of the side bogie 1 respectively to the vehicle chassis is situated within the longitudinal axis of the bogie, and relatively near, approx. 1/3 of the vehicle perch, representing the middle of the common axis of rotation of one wheel pair of the bogie.
  • Each bogie realization 2 is thus equipped with one cradle 16a , always situated approximately in the middle of the bogie.
  • the vehicle bogie, fig. 4 , 5 , and 6 is organised so that the wheels 5 are fixed by means of pinned bearings on the axle 11 , whose middle part is bent downwards.
  • special gaps are made 11a which serve for insertion the springs of primary springing 6 .
  • the bogie chassis 12a, 12b where there are gaps 12c for insertion of the springs 6 of primary springing.
  • spring holders 12d within the chassis, there are spring holders 12d in which there are springs of the secondary springing 7 . These spring holders 12d reach as low as possible so that the springs of the secondary springing 7 reached as close the upper surface of the rail as possible.
  • the secondary springing 7 is supplemented by two vertical 13 and at least one horizontal absorber 14 , absorbing the vertical and transverse movements within the secondary springing, and with the swing stabiliser 15 which hinders the transverse swing of the vehicle chassis.
  • the absorbers 13 and 14 , and the swing stabiliser 15 are mounted between the bogie frame 12a , 12b and the cradle 16a, 16b .
  • Each cradle 16a, 1 6b is, respectively to the bogie frame 12a and 12b, lengthwise led by means of pair of draw bars 17 which are fixed to the cradle and the bogie chassis by means of joints 17a.
  • the spring set of the secondary springing 7 is inserted into the spring holder 12d of the bogie chassis.
  • the cradle contains gaps 16c for insertion of the secondary springing 7.
  • the cradle 16a, 16b is connected to the low part of the vehicle 17 by means of the rotary bearing 18, fixed to the cradle and the lower part of the vehicle.
  • the bearing 18 is inserted into the gap 16c from above in the middle part of the cradle.
  • Each drive unit operates one wheel 5 by means of the clutch.
  • the mechanical brake 9 stops the wheel 5 directly - the brake unit 9b is placed upon the head 11a of the axle 11 by means of the console 9a .
  • the brake jaws 9c directly stop the tyre 5a of the wheel 5.
  • the presented bogie is utilizable for low-floor rail vehicles, especially trams, in realization of multi-part (segment) or one-part (segment) vehicle chassis, equipped with the rotary or non-rotary installation of the vehicle chassis upon the bogie.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)
EP08466019A 2007-08-03 2008-07-29 Low construction height bogie for low-floor rail vehicles especially trams Active EP2020355B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08466019T PL2020355T3 (pl) 2007-08-03 2008-07-29 Wózek montowany na małej wysokości do niskopodłogowych pojazdów szynowych, zwłaszcza tramwajów

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ20070519A CZ2007519A3 (cs) 2007-08-03 2007-08-03 Podvozek s malou stavební výškou pro nízkopodlažní kolejové vozidlo, zejména tramvajové

Publications (2)

Publication Number Publication Date
EP2020355A1 EP2020355A1 (en) 2009-02-04
EP2020355B1 true EP2020355B1 (en) 2012-10-24

Family

ID=39938196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08466019A Active EP2020355B1 (en) 2007-08-03 2008-07-29 Low construction height bogie for low-floor rail vehicles especially trams

Country Status (4)

Country Link
EP (1) EP2020355B1 (cs)
CZ (1) CZ2007519A3 (cs)
ES (1) ES2398400T3 (cs)
PL (1) PL2020355T3 (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013002096A1 (de) * 2013-02-05 2014-08-07 Josef Staltmeir Hochgeschwindigkeitszug mit geringem Energieumsatz

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3018490B1 (fr) * 2014-03-12 2018-01-05 Alstom Transport Technologies Vehicule ferroviaire, notamment de type tramway, a gabarit reduit
WO2017202221A1 (zh) * 2016-05-21 2017-11-30 中车青岛四方机车车辆股份有限公司 一种低地板铰接式轨道车辆转向架悬挂牵引装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7904523L (sv) * 1979-05-23 1980-11-24 Sab Ind Ab Skivbromsarrangemang for ett relsfordon
GB9410479D0 (en) * 1994-05-25 1994-07-13 Abb Transportation Ltd Rail vehicle bogies
BR8103263Y1 (pt) * 2001-12-28 2009-05-05 disposição construtiva em estabilizador para truque ferroviário.
CZ2005436A3 (cs) 2005-07-04 2006-10-11 VÚKV a.s. Nízkopodlazní clánkové kolejové vozidlo, zejména tramvajové

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013002096A1 (de) * 2013-02-05 2014-08-07 Josef Staltmeir Hochgeschwindigkeitszug mit geringem Energieumsatz

Also Published As

Publication number Publication date
PL2020355T3 (pl) 2013-03-29
ES2398400T3 (es) 2013-03-15
EP2020355A1 (en) 2009-02-04
CZ2007519A3 (cs) 2009-02-11

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