EP4126629A1 - Fahrwerk für ein schienenfahrzeug - Google Patents
Fahrwerk für ein schienenfahrzeugInfo
- Publication number
- EP4126629A1 EP4126629A1 EP21728002.3A EP21728002A EP4126629A1 EP 4126629 A1 EP4126629 A1 EP 4126629A1 EP 21728002 A EP21728002 A EP 21728002A EP 4126629 A1 EP4126629 A1 EP 4126629A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel set
- connection point
- control arm
- wheelset
- 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.)
- Granted
Links
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
- B61F5/38—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 prior art, a chassis with two wheel sets RS1, RS2, which are connected to a rail vehicle via a bogie frame DGR, while FIG. 9 shows a detailed view with reference to FIG.
- a first wheel set RS1 is connected to the bogie frame DGR via two wheel set control arms RSL11, RSL12 assigned to it, which are also referred to as triangular wheel set control arms.
- the two wheel set control arms RSL11, RSL12 are arranged along an axis which, when the rail vehicle is traveling in a straight line, is essentially perpendicular to a direction of travel FRSF of the rail vehicle.
- a first wheel set control arm RSL11 of the first wheel set RS1 has three connection points ASP111, ASP112, ASP113.
- a first connection point ASP111 is designed as a floating bearing and connects the first wheel set control arm RSL11 with the first wheel set RS1.
- a second connection point ASP112 and a third connection point ASP113 are designed as fixed bearings and connect the first wheel set control arm RSL11 to the bogie frame DGR.
- a fixed bearing prevents all shifts and enables one or more rotations in the bearing point about a rotation axis.
- the bearing point of the fixed bearing is attached directly to the bogie frame, e.g. screwed, and supports the triangular link, which can be moved 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 in relation to the bogie frame.
- a second wheel set control arm RSL12 of the first wheel set RS1 has three connection points ASP121, ASP122, ASP123.
- a first connection point ASP121 is designed as a floating bearing and connects the second wheel set control arm RSL12 to the first wheel set RS1.
- a second connection point ASP122 and a third connection point ASP123 are designed as fixed bearings and connect the second wheel set control arm RSL12 to the bogie frame DGR.
- a second wheel set RS2 which is connected to the bogie frame DGR via two wheel set control arms RSL21, RSL22 assigned to it, which are also referred to as triangular wheel set control arms.
- the two wheel set control arms RSL21, RSL22 are arranged along an axis which, when the rail vehicle is traveling in a straight line, is essentially perpendicular to the direction of travel FRSF of the rail vehicle.
- a first wheel set control arm RSL21 of the second wheel set RS2 has three connection points ASP211, ASP212, ASP213.
- a first connection point ASP211 is designed as a floating bearing and connects the first wheel set control arm RSL21 with the second wheel set RS2.
- a second connection point ASP212 and a third connection point ASP213 are designed as fixed bearings and connect the first wheel set control arm RSL21 to the bogie frame DGR.
- a second wheel set control arm RSL22 of the second wheel set RS2 has three connection points ASP221, ASP222, ASP223.
- a first connection point ASP221 is designed as a floating bearing and connects the second wheel set control arm RSL22 with the second wheel set RS2.
- a second connection point ASP222 and a third connection point ASP223 are designed as fixed bearings and connect the second wheel set control arm RSL22 to the bogie frame DGR.
- the chassis according to the invention is intended for a rail vehicle or is part of the rail vehicle.
- the chassis has a first wheel set, a bogie frame, a first wheel set control arm and a second wheel set control arm.
- the first wheel set is connected to the bogie frame via the two wheel set control arms.
- Each wheel set control arm is designed as a triangular control arm and has three connection points.
- a respective first connection point of the two wheel set control arms is designed as a floating bearing and connects the associated wheel set control arm with the first wheel set.
- a respective third connection point of the two wheelset control arms is designed as a fixed bearing and connects the associated wheel set control arm to the bogie frame.
- a second connection point of the first wheelset control arm is connected to a first actuator, while a second connection point of the second wheelset control arm is connected to a second actuator.
- the two actuators are controlled and attached in such a way that they target the first set of wheels when the rail vehicle travels around a curve Align to a curve radius or to a curved track.
- a fixed bearing prevents all shifts and enables one or more rotations in the bearing point about a rotation axis.
- the bearing point of the fixed bearing is preferably fastened 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 preferably freely movable with respect to the bogie frame.
- the chassis has a second set of wheels.
- the chassis has a first wheel set control arm and a second wheel set control arm for the second wheel set.
- the second wheel set is connected to the bogie frame via the two wheel set control arms.
- Each of these wheelset links is designed as a triangular link and each has three connection points:
- a respective first connection point of these two wheel set control arms is designed as a floating bearing and connects the associated wheel set control arm with the second wheel set,
- a respective third connection point of these two wheel set control arms is designed as a fixed bearing and connects the associated wheel set control arm with the bogie frame
- a second connection point of this first wheel set control arm is connected via the first actuator to the second connection point of the first wheel set control arm of the first wheel set while - A second connection point of the second wheel set control arm of the second wheel set is connected to the second connection point of the second wheel set control arm of the first wheel set via the second actuator.
- the second connection point of the first wheel set link is connected via the first actuator to a fixed bearing that is attached to the bogie frame.
- the second connection point of the second wheelset link is connected via the second actuator to a fixed bearing that is attached to the bogie frame.
- the actuators are controlled and fastened in such a way that they are set the same when the rail vehicle is traveling straight ahead.
- the actuators are designed as electrical servomotors 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 expenditure.
- 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 curved track.
- the present invention thus increases the traction performance of the rail vehicle.
- FIG. 1 shows an embodiment of the chassis according to the invention
- FIG. 2 shows a detail from FIG. 1,
- FIG 5 shows a further embodiment of the chassis according to the invention
- FIG. 6 shows a detail from FIG. 5
- FIG. 7 with reference to FIG. 5 and FIG. 6 the chassis according to the invention when cornering
- FIG. 1 and 2 show an embodiment of a chassis FW1 according to the invention.
- the running gear FW1 has a first set of wheels RS1 and a second set of wheels RS2, which are connected to a rail vehicle via a bogie frame DGR.
- the first wheel set RS1 is connected to the bogie frame DGR via two wheel set control arms RSL11, RSL12 assigned to it, which are also referred to as triangular wheel set control arms.
- the two wheelset control arms RSL11, RSL12 of the first wheelset RS1 are arranged along an axis, which is straight travel of the rail vehicle is essentially perpendicular to a direction of travel FRSF of the rail vehicle.
- a first wheel set control arm RSL11 of the first wheel set RS1 has three connection points ASP111, ASP112, ASP113.
- a first connection point ASP111 of the first wheel set control arm RSL11 is designed as a floating bearing and connects the first wheel set control arm RSL11 with the first wheel set RS1.
- a second connection point ASP112 of the first wheel set control arm RSL11 is connected via a first actuator AKT11 to a second connection point ASP212 of a first wheel set control arm RSL21, this first wheel set control arm RSL21 being assigned to the second wheel set RS2.
- a third connection point ASP113 of the first wheel set control arm RSL11 of the first wheel set RS1 is designed as a fixed bearing and connects the first wheel set control arm RSL11 with the rotating frame DGR.
- the second wheelset RS2 has a comparable structure - it is connected to the bogie frame DGR via two wheelset control arms RSL21, RSL22 assigned to it, which are also referred to as triangular wheel set control arms.
- the two wheel set control arms RSL21, RSL22 of the second wheel set RS2 are arranged along an axis which, when the rail vehicle is traveling in a straight line, is essentially perpendicular to a direction of travel FRSF of the rail vehicle.
- a first wheel set control arm RSL21 of the second wheel set RS2 has three connection points ASP211, ASP212, ASP213.
- a first connection point ASP211 of the first wheel set control arm RSL21 is designed as a floating bearing and connects the first wheel set control arm RSL21 with the second wheel set RS2.
- a second connection point ASP212 of the first wheel set control arm RSL21 is connected via the first actuator AKT11 to the second connection point ASP112 of the first wheel set control arm RSL11, this first wheel set control arm RSL11 being assigned to the first wheel set RS1.
- a third connection point ASP213 of the first wheel set control arm RSL21 of the second wheel set RS2 is designed as a fixed bearing and connects the first wheel set control arm RSL21 with the bogie frame DGR.
- a second wheel set control arm RSL12 of the first wheel set RS1 has three connection points ASP121, ASP122, ASP123.
- a first connection point ASP121 of the second wheel set control arm RSL12 is designed as a floating bearing and connects the second wheel set control arm RSL12 to the first wheel set RS1.
- a second connection point ASP122 of the second wheel set control arm RSL12 is connected via a second actuator AKT12 to a second connection point ASP222 of a second wheel set control arm RSL22, this second wheel set control arm RSL22 being assigned to the second wheel set RS2.
- a third connection point ASP123 of the second wheel set control arm RSL12 of the first wheel set RS1 is designed as a fixed bearing and connects the second wheel set control arm RSL12 with the bogie frame DGR.
- the second wheelset RS2 has a comparable structure - it is connected to the bogie frame DGR via two wheelset control arms RSL21, RSL22 assigned to it, which are also referred to as triangular wheel set control arms.
- the two wheel set control arms RSL21, RSL22 of the second wheel set RS2 are arranged along an axis which, when the rail vehicle is traveling in a straight line, is essentially perpendicular to a direction of travel FRSF of the rail vehicle.
- a second wheel set control arm RSL22 of the second wheel set RS2 has three connection points ASP221, ASP222, ASP223.
- a first connection point ASP221 of the second wheel set control arm RSL22 is designed as a floating bearing and connects the second wheel set control arm RSL22 with the second wheel set RS2.
- a second connection point ASP222 of the second wheel set control arm RSL22 is connected via the second actuator AKT12 to the second connection point ASP122 of the second wheel set control arm RSL12, this second wheel set control arm RSL12 being assigned to the first wheel set RS1.
- a third connection point ASP223 of the second wheel set control arm RSL22 of the second wheel set RS2 is designed as a fixed bearing and connects the second wheel set control arm RSL22 with the bogie frame DGR.
- the two actuators AKT11 and AKT12 are used as actuators of the two wheelsets RS1, RS2 of the chassis FW1.
- the two actuators AKT11 and AKT12 are therefore functionally coupled to one another. 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 optimally aligning the two wheel sets RS1, RS2 with the curved path to be traveled or with its curve radius. This minimizes wear when cornering.
- the two actuators AKT11 and AKT12 are activated in the same way when the rail vehicle is moving straight ahead.
- the two wheel sets RS1, RS2 are aligned for straight-ahead travel and blocked or locked via the two actuators AKT11 and AKT12, which take on a fixed bearing functionality with reference to their connection points.
- FIG. 2 also shows two linear guides LF111, LF112, which are coupled to the actuator AKT11.
- Such linear guides are in a preferred embodiment - even if they are not shown in detail in the figures below - part of the solutions described or part of the actuators used in the present invention.
- FIG. 3 shows, with reference to the figures FIG1, FIG. 2, the position of the two actuators AKT11, AKT12 when the rail vehicle is traveling in a straight line on straight tracks GL.
- the two actuators AKT11 and AKT12 are set or controlled in the same way.
- the two sets of wheels are therefore aligned in the same way or not rotated for straight-ahead travel.
- FIG. 4 shows, with reference to the figures, FIG. 1, FIG. 2, the position of the two actuators AKT11, AKT12 when the rail vehicle travels around a curve on tracks GL which are laid along a curve with a curve radius KR.
- the two actuators AKT11 and AKT12 are set differently from one another, so that a targeted alignment or setting of the two wheel sets RS1, RS2 takes place on the curve radius KR or on the track curve.
- the two actuators AKT11, AKT12 are preferably designed as electric servomotors or mechanical actuators that are based on pneumatic or hydraulic actuating principles. Suitable mixed forms of actuators are also conceivable.
- FIG. 5 shows a second embodiment of the chassis FW2 according to the invention
- FIG. 6 shows a detail from FIG.
- the chassis FW2 has two wheelsets RS1, RS2, which are connected to a rail vehicle via a bogie frame DGR.
- a first wheel set RS1 is connected to the bogie frame DGR via two wheel set control arms RSL11, RSL12 assigned to it, which are also referred to as triangular wheel set control arms.
- the two wheel set control arms RSL11, RSL12 are arranged along an axis which, when the rail vehicle is traveling in a straight line, is essentially perpendicular to a direction of travel FRSF of the rail vehicle.
- a first wheel set control arm RSL11 of the first wheel set RS1 has three connection points ASP111, ASP112, ASP113.
- a first connection point ASP111 is designed as a floating bearing and connects the first wheel set control arm RSL11 with the first wheel set RS1.
- a second connection point ASP112 is connected to a fixed bearing via a first actuator AKT21, which is attached to the bogie frame DGR.
- a third connection point ASP113 is designed as a fixed bearing and connects the first wheel set control arm RSL11 with the bogie frame DGR.
- a second wheel set control arm RSL12 of the first wheel set RS1 has three connection points ASP121, ASP122, ASP123.
- a first connection point ASP121 is designed as a floating bearing and connects the second wheel set control arm RSL12 to the first wheel set RS1.
- a second connection point ASP122 is connected via a second actuator AKT22 to a fixed bearing that is attached to the rotating frame DGR.
- a third connection point ASP123 is designed as a fixed bearing and connects the second wheel set control arm RSL12 to the bogie frame DGR.
- a second wheel set RS2 which is connected to the bogie frame DGR via two wheel set control arms RSL21, RSL22 assigned to it, which are also referred to as triangular wheel set control arms.
- the two wheel set control arms RSL21, RSL22 are arranged along an axis which, when the rail vehicle is traveling in a straight line, is essentially perpendicular to the direction of travel FRSF of the rail vehicle.
- a first wheel set control arm RSL21 of the second wheel set RS2 has three connection points ASP211, ASP212, ASP213.
- a first connection point ASP211 is designed as a floating bearing and connects the first wheel set control arm RSL21 with the second wheel set RS2.
- a second connection point ASP212 is connected via a third actuator AKT23 to a fixed bearing that is attached to the rotating frame DGR.
- a third connection point ASP213 is designed as a fixed bearing and connects the first wheel set control arm RSL21 with the bogie frame DGR.
- a second wheel set control arm RSL22 of the second wheel set RS2 has three connection points ASP221, ASP222, ASP223.
- a first connection point ASP221 is designed as a floating bearing and connects the second wheel set control arm RSL22 with the second wheel set RS2.
- a second connection point ASP222 is connected via a fourth actuator AKT24 to a fixed bearing that is attached to the rotating frame DGR.
- a third connection point ASP223 is designed as a fixed bearing and connects the second wheel set control arm RSL22 with the bogie frame DGR.
- FIG. 7 shows, with reference to FIG. 5 and FIG. 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 direction or not rotated for straight travel.
- the four actuators AKT21 to AKT24 are set in such a way that the two wheel sets RS1, RS2 are specifically aligned or set on a curve radius or on a track curve.
- the actuators AKT21 to AKT24 are preferably designed as electrical servomotors or as mechanical actuators that are based on pneumatic or hydraulic actuating principles. Suitable mixed forms of actuators are also conceivable.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
Description
Claims
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 true EP4126629A1 (de) | 2023-02-08 |
| EP4126629B1 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 (de) |
| CN (1) | CN115667047B (de) |
| DE (1) | DE102020206252A1 (de) |
| ES (1) | ES2986982T3 (de) |
| PL (1) | PL4126629T3 (de) |
| WO (1) | WO2021233680A1 (de) |
Family Cites Families (12)
| 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 |
| DE102014214055A1 (de) * | 2014-07-18 | 2016-01-21 | 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 |
-
2020
- 2020-05-18 DE DE102020206252.8A patent/DE102020206252A1/de not_active Ceased
-
2021
- 2021-05-05 CN CN202180036138.5A patent/CN115667047B/zh active Active
- 2021-05-05 EP EP21728002.3A patent/EP4126629B1/de active Active
- 2021-05-05 WO PCT/EP2021/061792 patent/WO2021233680A1/de not_active Ceased
- 2021-05-05 ES ES21728002T patent/ES2986982T3/es active Active
- 2021-05-05 PL PL21728002.3T patent/PL4126629T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL4126629T3 (pl) | 2024-10-28 |
| EP4126629B1 (de) | 2024-06-26 |
| 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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