EP4126629B1 - Fahrwerk für ein schienenfahrzeug - Google Patents

Fahrwerk für ein schienenfahrzeug Download PDF

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Publication number
EP4126629B1
EP4126629B1 EP21728002.3A EP21728002A EP4126629B1 EP 4126629 B1 EP4126629 B1 EP 4126629B1 EP 21728002 A EP21728002 A EP 21728002A EP 4126629 B1 EP4126629 B1 EP 4126629B1
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EP
European Patent Office
Prior art keywords
wheelset
case
link
connection point
rsl12
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
EP21728002.3A
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German (de)
English (en)
French (fr)
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EP4126629A1 (de
Inventor
Rolf STEUDE
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.)
Siemens Mobility GmbH
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Siemens Mobility GmbH
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    • 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
    • B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles

Definitions

  • the invention relates to a chassis for a rail vehicle, in particular for a locomotive.
  • FIG 8 shows, according to the known state of the art, a chassis with two wheel sets RS1, RS2, which are connected to a rail vehicle via a bogie frame DGR, while FIG 9 regarding FIG 8 shows a detailed view.
  • a first wheelset RS1 is connected to the bogie frame DGR via two associated wheelset guides RSL11, RSL12, which are also referred to as triangular wheelset guides.
  • the two wheel set guides RSL11, RSL12 are arranged along an axis which is essentially perpendicular to a direction of travel FRSF of the rail vehicle when the rail vehicle is traveling in a straight line.
  • a first wheelset guide RSL11 of the first wheelset RS1 has three connection points ASP111, ASP112, ASP113.
  • a first connection point ASP111 is designed as a floating bearing and connects the first wheelset guide RSL11 with the first wheelset RS1.
  • a second connection point ASP112 and a third connection point ASP113 are designed as fixed bearings and connect the first axle guide RSL11 with the bogie frame DGR.
  • a fixed bearing prevents all displacements and allows one or more rotations in the bearing point around a rotation axis.
  • the bearing point of the fixed bearing is attached directly to the bogie frame, e.g. screwed, and supports the wishbone, which is movable relative to the bogie frame.
  • a floating bearing prevents one or two displacements and allows the other displacements and one or more rotations in the bearing point.
  • the bearing point can move freely relative to the bogie frame.
  • a second wheelset guide RSL12 of the first wheelset RS1 has three connection points ASP121, ASP122, ASP123.
  • a first connection point ASP121 is designed as a floating bearing and connects the second wheelset guide RSL12 with the first wheelset RS1.
  • a second connection point ASP122 and a third connection point ASP123 are designed as fixed bearings and connect the second axle guide RSL12 with the bogie frame DGR.
  • a second wheelset RS2 which is connected to the bogie frame DGR via two associated wheelset guides RSL21, RSL22, which are also referred to as triangular wheelset guides.
  • the two wheel guides RSL21, RSL22 are arranged along an axis which is essentially perpendicular to the direction of travel FRSF of the rail vehicle when the rail vehicle is traveling in a straight line.
  • a first wheelset guide RSL21 of the second wheelset RS2 has three connection points ASP211, ASP212, ASP213.
  • a first connection point ASP211 is designed as a floating bearing and connects the first wheelset guide RSL21 with the second wheelset RS2.
  • a second connection point ASP212 and a third connection point ASP213 are designed as fixed bearings and connect the first axle guide RSL21 with the bogie frame DGR.
  • a second axle guide RSL22 of the second wheelset RS2 has three connection points ASP221, ASP222, ASP223.
  • a first connection point ASP221 is designed as a floating bearing and connects the second wheelset guide RSL22 with the second wheelset RS2.
  • a second connection point ASP222 and a third connection point ASP223 are designed as fixed bearings and connect the second axle guide RSL22 with the bogie frame DGR.
  • From document DE 102013224582 A1 is a chassis for a rail vehicle in which wishbones with hydraulic bushes are used to realize dynamic running behavior.
  • Wheel set guides are provided as wishbones between the axle bearing and the bogie frame.
  • From document DE10 2014 214 055 A1 is a running gear for rail vehicles in which three-joints are used as wheel guides and actuators for the orientation of the axles.
  • the chassis according to the invention is intended for a rail vehicle or is part of the rail vehicle.
  • the running gear has a first wheelset, a bogie frame, a first wheelset guide and a second wheelset guide.
  • the first wheelset is connected to the bogie frame via the two wheelset control arms.
  • Each wheelset control arm is designed as a triangular control arm and has three connection points.
  • a respective first connection point of the two axle guides is designed as a floating bearing and connects the associated axle guide with the first wheelset.
  • a respective third connection point of the two axle guides is designed as a fixed bearing and connects the associated axle guide with the bogie frame.
  • a second connection point of the first wheel set guide is connected to a first actuator, while a second connection point of the second wheel set guide is connected to a second actuator.
  • the two actuators are controlled and attached in such a way that they specifically control the first wheel set when the rail vehicle is cornering. Align with a curve radius or a track curve to be traveled.
  • a fixed bearing prevents all displacement and allows one or more rotations in the bearing point around a rotation axis.
  • the bearing point of the fixed bearing is attached directly to the bogie frame, e.g. screwed, and supports the wishbone, which is movable relative to the bogie frame.
  • a floating bearing prevents one or two displacements and allows the other displacements and one or more rotations in the bearing point.
  • the bearing point is freely movable relative to the bogie frame.
  • the chassis has a second wheelset.
  • the chassis has a first wheelset guide and a second wheelset guide for the second wheelset.
  • the second wheelset is connected to the bogie frame via the two wheelset guides.
  • the second connection point of the first wheel set guide is connected via the first actuator to a fixed bearing which is attached to the bogie frame. Accordingly, the second connection point of the second wheel set guide is connected via the second actuator to a fixed bearing which is attached to the bogie frame.
  • the actuators are controlled and fastened in such a way that they are set equally when the rail vehicle travels straight ahead.
  • the actuators are designed as electric servo motors or as mechanical actuators.
  • the mechanical actuators are designed as pneumatic or hydraulic actuators or as mixed forms.
  • the present invention achieves a minimization of wear when cornering with little additional effort.
  • the present invention achieves optimized driving stability even at high speeds.
  • the present invention achieves an optimized steering of the wheel sets so that optimal rail contact is achieved in a track curve.
  • the present invention thus realizes an increased traction performance of the rail vehicle.
  • FIG 1 and FIG 2 show an embodiment of a chassis FW1 according to the invention.
  • the FW1 chassis has a first wheel set RS1 and a second wheel set RS2, which are connected to a rail vehicle via a bogie frame DGR.
  • the first wheelset RS1 is connected to the bogie frame DGR via two associated wheelset guides RSL11, RSL12, which are also referred to as triangular wheelset guides.
  • the two wheel set guides RSL11, RSL12 of the first wheel set RS1 are arranged along an axis, which in a straight Travel of the rail vehicle is essentially perpendicular to a travel direction FRSF of the rail vehicle.
  • a first wheelset guide RSL11 of the first wheelset RS1 has three connection points ASP111, ASP112, ASP113.
  • a first connection point ASP111 of the first wheel set guide RSL11 is designed as a floating bearing and connects the first wheel set guide RSL11 with the first wheel set RS1.
  • a second connection point ASP112 of the first wheel set guide RSL11 is connected via a first actuator AKT11 to a second connection point ASP212 of a first wheel set guide RSL21, wherein this first wheel set guide RSL21 is assigned to the second wheel set RS2.
  • a third connection point ASP113 of the first axle guide RSL11 of the first wheelset RS1 is designed as a fixed bearing and connects the first axle guide RSL11 with the bogie frame DGR.
  • the second wheelset RS2 has a similar structure - it is connected to the bogie frame DGR via two associated wheelset guides RSL21, RSL22, which are also called triangular wheelset guides.
  • the two wheel set guides RSL21, RSL22 of the second wheel set RS2 are arranged along an axis which is essentially perpendicular to a direction of travel FRSF of the rail vehicle when the rail vehicle is traveling in a straight line.
  • a first wheelset guide RSL21 of the second wheelset RS2 has three connection points ASP211, ASP212, ASP213.
  • a first connection point ASP211 of the first wheelset guide RSL21 is designed as a floating bearing and connects the first wheelset guide RSL21 with the second wheelset RS2.
  • a second connection point ASP212 of the first wheel set guide RSL21 is connected via the first actuator AKT11 to the second connection point ASP112 of the first wheel set guide RSL11, whereby this first wheel set guide RSL11 is assigned to the first wheel set RS1.
  • a third connection point ASP213 of the first axle guide RSL21 of the second wheelset RS2 is designed as a fixed bearing and connects the first axle guide RSL21 with the bogie frame DGR.
  • a second wheelset guide RSL12 of the first wheelset RS1 has three connection points ASP121, ASP122, ASP123.
  • a first connection point ASP121 of the second wheel set guide RSL12 is designed as a floating bearing and connects the second wheel set guide RSL12 with the first wheel set RS1.
  • a second connection point ASP122 of the second wheel set guide RSL12 is connected via a second actuator AKT12 to a second connection point ASP222 of a second wheel set guide RSL22, whereby this second wheel set guide RSL22 is assigned to the second wheel set RS2.
  • a third connection point ASP123 of the second wheel set guide RSL12 of the first wheel set RS1 is designed as a fixed bearing and connects the second axle guide RSL12 with the bogie frame DGR.
  • the second wheelset RS2 has a similar structure - it is connected to the bogie frame DGR via two associated wheelset guides RSL21, RSL22, which are also called triangular wheelset guides.
  • the two wheel set guides RSL21, RSL22 of the second wheel set RS2 are arranged along an axis which is essentially perpendicular to a direction of travel FRSF of the rail vehicle when the rail vehicle is traveling in a straight line.
  • a second axle guide RSL22 of the second wheelset RS2 has three connection points ASP221, ASP222, ASP223.
  • a first connection point ASP221 of the second wheel set guide RSL22 is designed as a floating bearing and connects the second wheel set guide RSL22 with the second wheel set RS2.
  • a second connection point ASP222 of the second wheel set guide RSL22 is connected via the second actuator AKT12 to the second connection point ASP122 of the second wheel set guide RSL12, whereby this second wheel set guide RSL12 is assigned to the first wheel set RS1.
  • a third connection point ASP223 of the second axle guide RSL22 of the second wheelset RS2 is designed as a fixed bearing and connects the second axle guide RSL22 with the bogie frame DGR.
  • the two actuators AKT11 and AKT12 are used as actuators for the two wheel sets RS1, RS2 of the chassis FW1.
  • the two actuators AKT11 and AKT12 are therefore functionally coupled with each other. They are controlled or activated as described below.
  • the two actuators AKT11 and AKT12 are controlled in such a way that the two wheel sets RS1, RS2 are rotated. This is done with the aim of aligning the two wheel sets RS1, RS2 in an optimized manner to the curved path to be traveled or to its curve radius. This minimizes wear when cornering.
  • the two actuators AKT11 and AKT12 are controlled in the same way when the rail vehicle travels straight ahead. This means that the two wheel sets RS1, RS2 are aligned for straight ahead travel and are blocked or locked via the two actuators AKT11 and AKT12, which take on a fixed bearing function with regard to their connection points.
  • FIG 2 also shows two linear guides LF111, LF112, which are coupled to the actuator AKT11.
  • FIG 3 shows with reference to the figures FIG1, FIG2 the position of the two actuators AKT11, AKT12 when the rail vehicle travels straight ahead on straight tracks GL.
  • the two actuators AKT11 and AKT12 are set and controlled in the same way.
  • the two wheel sets are therefore aligned in the same way for straight-ahead travel and are not twisted.
  • FIG 4 shows with reference to the figures FIG 1, FIG 2 the position of the two actuators AKT11, AKT12 when the rail vehicle is cornering on GL tracks that are laid along a curve with a curve radius KR.
  • the two actuators AKT11 and AKT12 are set differently from each other, so that a targeted alignment or adjustment of the two wheel sets RS1, RS2 to the curve radius KR or to the track curve is carried out.
  • the two actuators AKT11, AKT12 are preferably designed as electric servomotors or as mechanical actuators based on pneumatic or hydraulic actuating principles. Suitable mixed forms of actuators are also conceivable.
  • FIG 5 shows a second, unclaimed design of the chassis FW2, while FIG 6 a detail from FIG 5 shows.
  • the FW2 chassis has two wheel sets RS1, RS2, which are connected to a rail vehicle via a bogie frame DGR.
  • a first wheelset RS1 is connected to the bogie frame DGR via two associated wheelset guides RSL11, RSL12, which are also referred to as triangular wheelset guides.
  • the two wheel set guides RSL11, RSL12 are arranged along an axis which is essentially perpendicular to a direction of travel FRSF of the rail vehicle when the rail vehicle is traveling in a straight line.
  • a first wheelset guide RSL11 of the first wheelset RS1 has three connection points ASP111, ASP112, ASP113.
  • a first connection point ASP111 is designed as a floating bearing and connects the first wheelset guide RSL11 with the first wheelset RS1.
  • a second connection point ASP112 is connected via a first actuator AKT21 to a fixed bearing which is attached to the bogie frame DGR.
  • a third connection point ASP113 is designed as a fixed bearing and connects the first axle guide RSL11 with the bogie frame DGR.
  • a second wheelset guide RSL12 of the first wheelset RS1 has three connection points ASP121, ASP122, ASP123.
  • a first connection point ASP121 is designed as a floating bearing and connects the second wheelset guide RSL12 with the first wheelset RS1.
  • a second connection point ASP122 is connected via a second actuator AKT22 to a fixed bearing which is attached to the bogie frame DGR.
  • a third connection point ASP123 is designed as a fixed bearing and connects the second axle guide RSL12 with the bogie frame DGR.
  • a second wheelset RS2 which is connected to the bogie frame DGR via two associated wheelset guides RSL21, RSL22, which are also referred to as triangular wheelset guides.
  • the two wheel guides RSL21, RSL22 are arranged along an axis which is essentially perpendicular to the direction of travel FRSF of the rail vehicle when the rail vehicle is traveling in a straight line.
  • a first wheelset guide RSL21 of the second wheelset RS2 has three connection points ASP211, ASP212, ASP213.
  • a first connection point ASP211 is designed as a floating bearing and connects the first wheelset guide RSL21 with the second wheelset RS2.
  • a second connection point ASP212 is connected via a third actuator AKT23 to a fixed bearing which is attached to the bogie frame DGR.
  • a third connection point ASP213 is designed as a fixed bearing and connects the first axle guide RSL21 with the bogie frame DGR.
  • a second axle guide RSL22 of the second wheelset RS2 has three connection points ASP221, ASP222, ASP223.
  • a first connection point ASP221 is designed as a floating bearing and connects the second wheelset guide RSL22 with the second wheelset RS2.
  • a second connection point ASP222 is connected via a fourth actuator AKT24 to a fixed bearing which is attached to the bogie frame DGR.
  • a third connection point ASP223 is designed as a fixed bearing and connects the second axle guide RSL22 with the bogie frame DGR.
  • FIG 7 shows with reference to FIGS. 5 and 6 the chassis according to the invention when cornering.
  • the four actuators AKT21 to AKT24 would be set or controlled in the same way.
  • the two wheel sets RS1, RS2 would then be aligned in the same way for straight ahead travel and would not be rotated.
  • the four actuators AKT21 to AKT24 are set in such a way that the two wheel sets RS1, RS2 are specifically aligned or adjusted to a curve radius or a track curve.
  • the actuators AKT21 to AKT24 are preferably designed as electric servomotors or as mechanical actuators based on pneumatic or hydraulic actuating principles. Suitable mixed forms of actuators are also conceivable.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
EP21728002.3A 2020-05-18 2021-05-05 Fahrwerk für ein schienenfahrzeug Active EP4126629B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020206252.8A DE102020206252A1 (de) 2020-05-18 2020-05-18 Fahrwerk für ein Schienenfahrzeug
PCT/EP2021/061792 WO2021233680A1 (de) 2020-05-18 2021-05-05 Fahrwerk für ein schienenfahrzeug

Publications (2)

Publication Number Publication Date
EP4126629A1 EP4126629A1 (de) 2023-02-08
EP4126629B1 true EP4126629B1 (de) 2024-06-26

Family

ID=76138043

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21728002.3A Active EP4126629B1 (de) 2020-05-18 2021-05-05 Fahrwerk für ein schienenfahrzeug

Country Status (6)

Country Link
EP (1) EP4126629B1 (pl)
CN (1) CN115667047B (pl)
DE (1) DE102020206252A1 (pl)
ES (1) ES2986982T3 (pl)
PL (1) PL4126629T3 (pl)
WO (1) WO2021233680A1 (pl)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3129272B1 (de) * 2014-07-18 2018-12-12 Siemens Mobility GmbH Fahrwerk für ein schienenfahrzeug

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3331559A1 (de) * 1983-09-01 1985-03-28 Thyssen Industrie Ag, 4300 Essen Achssteuerung fuer schienenfahrzeuge
DE4424884A1 (de) * 1994-07-14 1996-01-18 Siemens Schienenfahrzeugtech Laufwerk für Schienenfahrzeuge
DE10137443A1 (de) * 2001-07-27 2003-03-06 Bombardier Transp Gmbh Verfahren und Vorrichtung zur aktiven Radialsteuerung von Radpaaren oder Radsätzen von Fahrzeugen
DE102004007376A1 (de) 2004-02-16 2005-09-01 Ropers, Diedrich Laufwerk für Schienenfahrzeuge mit verstellbaren Radsätzen
DE102006025773A1 (de) * 2006-05-31 2007-12-06 Bombardier Transportation Gmbh Verfahren zur Regelung eines aktiven Fahrwerks eines Schienenfahrzeugs
DE102007025163A1 (de) * 2007-05-29 2008-12-04 Bombardier Transportation Gmbh Schienenfahrzeug mit einstufiger Federung
EP2371656A1 (de) * 2010-03-29 2011-10-05 Siemens AG Österreich Schienenfahrzeug mit variabler Achsgeometrie
FR2970457B1 (fr) * 2011-01-17 2013-02-15 Alstom Transport Sa Bogie de vehicule ferroviaire suspendu
ES2750362T3 (es) * 2013-01-30 2020-03-25 Bombardier Transp Gmbh Tren de rodaje con unidad de rueda dirigida
DE102013224582A1 (de) * 2013-11-29 2015-06-03 Siemens Aktiengesellschaft Fahrwerk für ein Schienenfahrzeug
CN108657213B (zh) * 2017-03-30 2020-04-24 比亚迪股份有限公司 转向架及具有其的轨道车辆和轨道交通系统

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3129272B1 (de) * 2014-07-18 2018-12-12 Siemens Mobility GmbH Fahrwerk für ein schienenfahrzeug

Also Published As

Publication number Publication date
EP4126629A1 (de) 2023-02-08
PL4126629T3 (pl) 2024-10-28
WO2021233680A1 (de) 2021-11-25
DE102020206252A1 (de) 2021-11-18
CN115667047B (zh) 2025-05-09
CN115667047A (zh) 2023-01-31
ES2986982T3 (es) 2024-11-13

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