EP2020355A1 - Bogie de construction de faible hauteur pour véhicules ferroviaires à plancher bas, en particulier des tramways - Google Patents

Bogie de construction de faible hauteur pour véhicules ferroviaires à plancher bas, en particulier des tramways Download PDF

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Publication number
EP2020355A1
EP2020355A1 EP08466019A EP08466019A EP2020355A1 EP 2020355 A1 EP2020355 A1 EP 2020355A1 EP 08466019 A EP08466019 A EP 08466019A EP 08466019 A EP08466019 A EP 08466019A EP 2020355 A1 EP2020355 A1 EP 2020355A1
Authority
EP
European Patent Office
Prior art keywords
bogie
chassis
vehicle
fact
wheel
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
EP08466019A
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German (de)
English (en)
Other versions
EP2020355B1 (fr
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
Priority date (The priority date 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 date listed.)
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/fr
Application granted granted Critical
Publication of EP2020355B1 publication Critical patent/EP2020355B1/fr
Not-in-force legal-status Critical Current
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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 bogies of such trams are often equipped with axles of separate wheel pairs which have the same geometrical axis of rotation, instead of the usual double wheel set pressed onto shared axles.
  • the separate wheel set is usually realized by a bridge of prismatic cross-section, which, in the part closest to the vehicle floor, is lowered as much as possible to the upper surface of the rail. On both ends of this prismatic bridge there are pins carrying the separately led wheels by means of bearings. The use of such a separate wheel set enables the floor to be positioned even in between the wheels themselves.
  • the low-floor tram rail vehicles are usually composed of more, at least three segments, whereas, under every odd segment, there is a non-rotary (i.e. vertical rotation of the bogie respectively to the vehicle chassis is possible only in a very limited scale) bogie with the pass width of Y vehicle above the bogie then reaches the standard level (according to picture 1).
  • the bogie of such a vehicle is usually realised so that the primary springing (i.e. vehicle chassis springing) is situated on the outer side of every wheel respectively to the longitudinal axis of the vehicle; the chassis is placed onto the primary springing in the H letter shape with a broken crossbeam running below the floor surface of the vehicle.
  • the vehicle chassis is fixed onto the bogie chassis by means of secondary springing placed in trestle-trees of the bogie chassis or on their outer side, respectively to the longitudinal axis of the vehicle.
  • Such a vehicle chassis composition onto the bogie enables their vertical mutual rotation only in a very short span, max 3°. That is why such a bogie is termed as "non-rotary".
  • the drive composition may also represent a problem, where the drive is either composed as fully sprung, with engines situated on the side of the bogie (respectively to longitudinal axis of the vehicle) driving to wheel on that side of the bogie, or, as the individual drive of separate wheels with engines situated in close proximity of the wheels, sprung composition of engine, or directly in the wheels, non-sprung engine.
  • the drive In respect of optimal force flows in the drive and lowering of negative influences on the rail superstructure it is desirable for the drive to be composed individually and sprung. In that case, the engine must be situated on the outer side of the wheel (respectively to the vehicle longitudinal axis), possibly with transmission, and disc mechanical brake.
  • the fundamental aim of the invention was to create an 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 chassis, spring 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 chassis 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 chassis 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 chassis and whose lower edge reaches the lower part of the middle part of the axle.
  • the composition of the bogie chassis and the spring cradle occupies minimum height, given only by the building height of the cradle and bogie chassis.
  • This part of the vehicle bogie is connected with the bogie cradle by means of vertical axis rotary bearing, which is fixed to the cradle and vehicle bogie 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 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.
  • 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 secondary springing is situated in the middle of the wheel base of the vehicle, whereas the axis of the rotary bearing, and thus also the axis of bogie rotation respectively to the vehicle chassis, lies relatively close (approx. 1/3 of the wheel base of the vehicle bogie from the middle of the rotation axis of one wheel pair of the bogie nearer to the centre of the vehicle), which minimizes the related transverse wheel movement of this wheel pair respectively to the vehicle chassis during the rotation moment of the bogie around the vertical axis of the bearing.
  • the secondary springing is situated between the wheels of each pair of opposite wheels, respectively to the longitudinal axis of the vehicle, so that each cradle place from above onto the secondary springing has got the rotary bearing axis, and thus also the axis of the bogie rotation respectively to the vehicle chassis placed always geometrically in the middle of the common axis of rotation of one wheel pair, which minimizes the relative transverse movement of the particular wheel pair respectively to the vehicle chassis while moving around the vertical axis of the particular rotary bearing.
  • the aim of my invention is to further create an bogie for linked low-floor tram rail vehicles with such a drive organisation so that it would be possible to brake the free wheel by means of sprung drive, engine, or transmission so that the engine does not over reach the width of the vehicle chassis.
  • the wheels are then driven individually by means of engines placed on the bogie chassis on the outer side of the wheels respectively to the longitudinal axis of the vehicle.
  • the wheel tyre itself serves as a brake disc - the brake unit is placed on the head surface of the axle and its jaws brake on the side surface of the tyre. This ensures saving of space because it is thus not necessary to install the brake disc between the wheel and the engine.
  • the brake units are positioned the same way as with the driving bogie, where they are situated upon the axle heads and the braking is performed by the wheel tyres, or the brakes are installed as disc ones, whereas, the brake discs and brake units are situated at the outer side of the wheels.
  • the bogie according to the invention is possible to be used also for the single-chassis vehicles, whereas, two bogies are used in the single-cradle chassis, positioned below the front (or rear) part of the vehicle.
  • 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. 3 represents the two-part three-bogie vehicle
  • fig. 4 and 5 depict the bogie realisation 1 and 2
  • Fig. 6 presents schematic cut through the bogie
  • figs 7 and 8 demonstrate the width of the row above the bogie in the realization 1 and 2 .
  • the bogies for 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 chassis 12a, 12b and the cradle 16a, 16b .
  • Each cradle 16a, 16b is, respectively to the bogie chassis 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 Bogie de construction de faible hauteur pour véhicules ferroviaires à plancher bas, en particulier des tramways Not-in-force EP2020355B1 (fr)

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 true EP2020355A1 (fr) 2009-02-04
EP2020355B1 EP2020355B1 (fr) 2012-10-24

Family

ID=39938196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08466019A Not-in-force EP2020355B1 (fr) 2007-08-03 2008-07-29 Bogie de construction de faible hauteur pour véhicules ferroviaires à plancher bas, en particulier des tramways

Country Status (4)

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

Cited By (3)

* 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
EP3459809A4 (fr) * 2016-05-21 2020-01-22 CRRC Qingdao Sifang Co., Ltd. Dispositif de traction de suspension de bogie à utiliser dans un véhicule ferroviaire articulé à plancher surbaissé
EP2918472B1 (fr) * 2014-03-12 2021-12-15 ALSTOM Transport Technologies Véhicule ferroviaire, notamment de type tramway, à gabarit réduit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457205A1 (fr) * 1979-05-23 1980-12-19 Sab Industri Ab Frein a disque pour vehicule ferroviaire
GB2289877A (en) * 1994-05-25 1995-12-06 Abb Rail Vehicles Ltd Power bogie for tram with continuous low floor
US6550395B1 (en) * 2001-12-28 2003-04-22 Compagnie Vale Do Rio Doce Constructive disposal in a stabilizer for a railway truck
CZ297213B6 (cs) 2005-07-04 2006-10-11 VÚKV a.s. Nízkopodlazní clánkové kolejové vozidlo, zejména tramvajové

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457205A1 (fr) * 1979-05-23 1980-12-19 Sab Industri Ab Frein a disque pour vehicule ferroviaire
GB2289877A (en) * 1994-05-25 1995-12-06 Abb Rail Vehicles Ltd Power bogie for tram with continuous low floor
US6550395B1 (en) * 2001-12-28 2003-04-22 Compagnie Vale Do Rio Doce Constructive disposal in a stabilizer for a railway truck
CZ297213B6 (cs) 2005-07-04 2006-10-11 VÚKV a.s. Nízkopodlazní clánkové kolejové vozidlo, zejména tramvajové
EP1741610A2 (fr) 2005-07-04 2007-01-10 Vukv A.S. Véhicule ferroviaire articulé à plancher surbaissé, en particulier un tram

Cited By (3)

* 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
EP2918472B1 (fr) * 2014-03-12 2021-12-15 ALSTOM Transport Technologies Véhicule ferroviaire, notamment de type tramway, à gabarit réduit
EP3459809A4 (fr) * 2016-05-21 2020-01-22 CRRC Qingdao Sifang Co., Ltd. Dispositif de traction de suspension de bogie à utiliser dans un véhicule ferroviaire articulé à plancher surbaissé

Also Published As

Publication number Publication date
PL2020355T3 (pl) 2013-03-29
ES2398400T3 (es) 2013-03-15
EP2020355B1 (fr) 2012-10-24
CZ2007519A3 (cs) 2009-02-11

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