EP3529121A1 - Radsteuerungsanordnung für ein fahrwerk - Google Patents
Radsteuerungsanordnung für ein fahrwerkInfo
- Publication number
- EP3529121A1 EP3529121A1 EP17816478.6A EP17816478A EP3529121A1 EP 3529121 A1 EP3529121 A1 EP 3529121A1 EP 17816478 A EP17816478 A EP 17816478A EP 3529121 A1 EP3529121 A1 EP 3529121A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic supply
- hydraulic
- elastic bearing
- wheel
- suction line
- 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
- B61F5/386—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles fluid actuated
Definitions
- the invention relates to a wheel control arrangement for a chassis of a rail vehicle, wherein the chassis has at least one landing gear frame and at least a first pair of wheels with a wheel bearing.
- Driving safety have. This can be improved, for example, by the arrangement of an active wheel or wheelset control.
- the targeted placement of wheels or wheelsets by actively rotating the same about their vertical axes is used in a known manner to prevent unstable driving conditions. Furthermore, the ride comfort by avoidance
- Wheel set control a reduction in the wear of wheels and rails.
- Active wheel controls often have active elastic bearings, e.g. as hydraulic bushes
- EP 0 870 664 Bl discloses a method and a device for wheelset guidance of rail vehicles.
- a device is shown in which setting angles of wheelsets are generated by a two-chamber fluid bushing.
- a swing arm connects a wheelset to a chassis frame.
- the fluid sleeve is disposed between the swing arm and the chassis frame. Their chambers are via appropriate connections
- Chassis frame is generated.
- EP 1 457 706 Bl is a hydraulic jack
- the hydraulic socket has at least two filled with hydraulic fluid
- Chambers which are connected to achieve a reliability over an overflow channel.
- Overflow channel is designed as a passive vibration damper and has no external control device.
- the invention has for its object to provide a comparison with the prior art further developed wheel control.
- Elastic bearing is provided with a first hydraulic supply
- the first hydraulic supply comprises a closed hydraulic circuit
- the first hydraulic circuit fails, only the first elastic bearing is affected.
- a second elastic bearing remains, provided its second hydraulic circuit is intact, without any restrictions in operation.
- the first elastic bearing still has dynamic stiffness. Dynamic stiffness
- Hydraulic circuit for the first elastic bearing on a hydraulic decoupling of the first elastic bearing are dispensed with its first hydraulic supply.
- Elastiklager be provided by the hydraulic supply. Due to the hydraulic decoupling, cavitation can take place in unpressurized conduction paths between the first
- the first hydraulic supply has a reversing pump with an engine, a tank, a first check valve and a second check valve and a first suction line and a second suction line.
- the engine has a
- Reversing be arranged in a hydraulic fluid.
- the invention is based on
- Fig. 2 A side view of a chassis with a
- FIG. 4 A schematic representation of a first hydraulic supply of a wheel control arrangement according to the invention
- Hydraulic supply of a wheel control arrangement according to the invention wherein the hydraulic supply has a magnetic coupling.
- the outer-mounted chassis of a rail vehicle comprises a chassis frame 1 with a cross member 2 and a first side member 3 and a second side member 4.
- the first side member 3 and the second side member 4 are arranged in the direction of a longitudinal axis 47.
- the first pair of wheels 5 is about a first
- the first wheel set shaft 7 is rotatable via a first wheel bearing 13 with a first
- the first swing arm 17 is connected to the cross member 2 via a first elastic bearing 21.
- the first wheel set shaft 7 is rotatable via a second wheel bearing 14 with a second
- Swing arm 18 connected.
- the second swing arm 18 is connected via a second elastic bearing 22 with the cross member 2.
- the second pair of wheels 6 is connected via a second wheel set shaft 8 and a third wheel 11 and a fourth wheel 12 to a second wheel set, which is aligned along a second transverse axis 49.
- the second wheelset shaft 8 is rotatable via a third wheel bearing 15 with a third
- Swing arm 19 connected.
- the third swing arm 19 is connected via a third elastic bearing 23 with the cross member 2.
- the second wheel set shaft 8 is rotatable via a fourth wheel bearing 16 with a fourth
- the fourth swing arm 20 is connected to the cross member 2 via a fourth elastic bearing 24.
- the first set of wheels and the second set of wheels are about the first elastic bearing 21, the second elastic bearing 22, the third elastic bearing 23 and the fourth elastic bearing 24 in the
- the first elastic bearing 21, the second elastic bearing 22, the third elastic bearing 23 and the fourth elastic bearing 24 are designed as active hydraulic bushings, ie are actively driven to generate steering forces on the first gear and the second gear or steering angle of the first
- the active control causes deflections or rotations of the first pair of wheels 5 and the second pair of wheels 6 relative to the chassis frame. 1
- Hydraulic supply 29 a second hydraulic supply 30, a third hydraulic supply 31 and a fourth
- Hydraulic supply 32 which are executed independently of each other.
- the first hydraulic supply 29 is via a first
- Suction line 33 and a second suction line 34 connected to the first elastic bearing 21, the second hydraulic supply 30 via a third suction line 35 and a fourth suction line 36 to the second elastic bearing 22, the third
- Hydraulic supply 30, the third hydraulic supply 31 and the fourth hydraulic supply 32 are not over
- Hydraulic supply 30, the third hydraulic supply 31 and the fourth hydraulic supply 32 control signals for
- Hydraulic supply 31 and the fourth hydraulic supply 32 information about system states transmitted.
- control unit is arranged in the chassis.
- Hydraulic supply 29, in the second hydraulic supply 30, in the third hydraulic supply 31 and in the fourth hydraulic supply 32 each have their own control unit is arranged with the central, in the chassis or
- Car body provided control units communicates. Moreover, it is possible, for example, to carry out the first elastic bearing 21 and the third elastic bearing 23 as active hydraulic bushes and the second elastic bearing 22 and the fourth elastic bearing 24 as non-controllable, passive rubber elements.
- the chassis has no drive and brake units. According to the invention, however, it is conceivable that drive and / or braking units are provided.
- a drive motor may be connected to the chassis frame 1 and transmitted via a transmission drive torque to the first set of wheels.
- a brake caliper On the chassis frame 1, e.g. a brake caliper
- a first pair of wheels 5 is over a first swing arm 17 and a visible in Fig. 1 second swing arm 18 with a cross member 2 of a
- Chassis frame 1 connected.
- a second pair of wheels 6 is coupled via a third swing arm 19 and a visible in Fig. 1 fourth swing arm 20 to the cross member 2.
- the first pair of wheels 5 has a first wheel 9 and a visible in Fig. 1 second wheel 10, the second pair of wheels 6, a third wheel 11 and a visible in Fig. 1 fourth wheel 12.
- the first swing arm 17, the second swing arm 18, the third swing arm 19 and the fourth swing arm 20 are connected via a primary suspension, which is aligned in the direction of a first vertical axis 50 and a second vertical axis 51, with a first side member 3 and a visible in Fig. 1 second
- Longitudinal member 3 and the second longitudinal member 4 are aligned in the direction of a longitudinal axis 47.
- Elastiklager 24 arranged, which are designed as active hydraulic sockets.
- the first elastic bearing 21 has a first chamber 25 and a second chamber 26. As shown in FIG. 1, the first chamber 25 is connected to a first hydraulic supply 29 via a first suction line 33, and the second chamber 26 is connected to the first via a second suction line 34
- Hydraulic supply 29 coupled. Furthermore, the first elastic bearing 21 comprises a blowing spring and suspension springs. An annular channel is provided which connects the first chamber 25 to the second chamber 26.
- the first chamber 25, the second chamber 26 and the annular channel are resistant to heat and cold
- a radial loading of the first elastic bearing 21 with respect to the cylindrical contour of the hydraulic bush causes the hydraulic fluid escapes via the annular channel from the first chamber 25 into the second chamber 26 or expands the expanding spring.
- the dynamic stiffness of the hydraulic bush is determined by the stiffnesses of the suspension springs. With the frequency increases the flow resistance of the hydraulic fluid and thus the dynamic stiffness. At high frequencies, the hydraulic fluid is too sluggish to flow through the annulus and the volume balance is increased across the inflation spring, stabilizing the dynamic stiffness at a high level.
- the hydraulic bushing has a stabilizing, springing and damping effect primarily in the plane of her
- Base area i. in the direction of the longitudinal axis 47 and in the direction of the first vertical axis 50.
- a vibration-mechanical decoupling of these components is achieved from each other.
- the first chamber 25 and the second chamber 26 are filled to varying degrees via the first suction line 33 and the second suction line 34 with hydraulic fluid from the first hydraulic supply 29, whereby a pressure difference between the first chamber 25 and the second chamber 26 is effected.
- a steering force is generated in the direction of the longitudinal axis 47. This steering force causes rotational movements, i. active
- the third elastic bearing 23 has a third chamber 27 and a fourth chamber 28. Via a fifth suction line 37 which is the third chamber 27 with a third
- Hydraulic supply 31 connected via a sixth
- Suction line 38 is the fourth chamber 28 to the third
- Hydraulic supply 31 coupled.
- the first elastic bearing 21, the second elastic bearing 22, the third elastic bearing 23 and the fourth elastic bearing 24 are in terms of their design and operation
- Fig. 3 shows a schematic representation of a first hydraulic supply 29.
- This is known from the prior art and comprises a reversing pump 41, a motor 42 and a tank 43.
- hydraulic fluid is conveyed into a first suction line 33 and a second suction line 34 withdrawn or promoted in the second suction line 34 and the first suction line 33 withdrawn.
- the described hydraulic system is fed from the tank 43.
- the hydraulic fluid is conveyed into a first chamber 25 of a first elastic bearing 21, as shown and described in connection with FIG. 1 and FIG. 2, from the second suction line 34 into a second chamber 26 of the first elastic bearing 21st
- Fig. 2 described, generates a steering force, which provides steering angle of a first pair of wheels 5.
- the reversing pump 41, the tank 43, the first suction line 33, the second suction line 34, the first check valve 44 and the second check valve 45 form a closed hydraulic circuit having a minimum pressure of ⁇ 10 bar. This minimum pressure is maintained, for example, even in case of failure of the engine 42 or the reversing 41. This causes the first elastic bearing 21 in the
- Hydraulic supply 29 has.
- first hydraulic supply 29 has hydraulic pressure sensors, not shown, which determine pressures in the first suction line 33 and in the second suction line 34.
- first hydraulic supply 29 has hydraulic pressure sensors, not shown, which determine pressures in the first suction line 33 and in the second suction line 34.
- a first hydraulic supply 29 is shown schematically. The principle shown largely corresponds to the embodiment shown in FIG. In contrast to FIG. 3, the first hydraulic supply 29 has a magnetic coupling 46 between a reversing pump 41 and a motor 42.
- Reverse pump 41 is separated in its arrangement, i. it is not arranged together with the reversing pump 41 in a hydraulic fluid.
- the wheel control arrangement according to the invention can be used both in chassis with wheelsets and in chassis with Losken, as they are common, for example, in low-floor trams are used.
- Wheel control arrangement as a semi-active system, i. to run as a system without power supply but with control.
- this semi-active version no reversible pump 41 and no motor 42 are provided.
- Embodiment over movements of a first pair of wheels 5 and a second pair of wheels 6 relative to a
- Hydraulic supply 31 and a fourth hydraulic supply 32 which are connected to a control unit in a car body generated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA51066/2016A AT519394B1 (de) | 2016-11-24 | 2016-11-24 | Radsteuerungsanordnung für ein Fahrwerk |
| PCT/EP2017/080027 WO2018095961A1 (de) | 2016-11-24 | 2017-11-22 | Radsteuerungsanordnung für ein fahrwerk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3529121A1 true EP3529121A1 (de) | 2019-08-28 |
| EP3529121B1 EP3529121B1 (de) | 2024-06-19 |
Family
ID=60702600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17816478.6A Active EP3529121B1 (de) | 2016-11-24 | 2017-11-22 | Radsteuerungsanordnung für ein fahrwerk |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3529121B1 (de) |
| AT (1) | AT519394B1 (de) |
| WO (1) | WO2018095961A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT523026B1 (de) * | 2019-09-30 | 2022-09-15 | Siemens Mobility Austria Gmbh | Fahrwerk für ein Schienenfahrzeug |
| DE102020216073A1 (de) | 2020-12-16 | 2022-06-23 | Siemens Mobility GmbH | Anordnung zur Übertragung von Längskräften bei einem Schienenfahrzeug |
| AT525480A1 (de) | 2021-09-23 | 2023-04-15 | Siemens Mobility Austria Gmbh | Versorgungsanschluss für eine Radlenkvorrichtung, Radlenkvorrichtung für ein Fahrwerk und Fahrwerk |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63231032A (ja) * | 1987-03-16 | 1988-09-27 | Toyota Motor Corp | 流体入りブツシユ |
| FR2645483B1 (fr) * | 1989-04-10 | 1993-04-30 | Alsthom Gec | Dispositif d'orientation d'un essieu d'un vehicule ferroviaire |
| DE19715148A1 (de) | 1997-04-11 | 1998-10-15 | Deutsche Waggonbau Ag | Verfahren und Einrichtung zur Radsatzführung von Schienenfahrzeugen |
| PT1228937E (pt) * | 1999-08-31 | 2005-02-28 | Construccio Y Aux De Ferrocarr | Dispositivo de guiamento dos eixos de um veiculo ferroviario |
| DE10310634A1 (de) | 2003-03-10 | 2004-09-30 | Carl Freudenberg Kg | Achslenkerlager |
| DE102008027474B4 (de) * | 2008-06-09 | 2022-12-15 | Liebherr-Aerospace Lindenberg Gmbh | Stellglied sowie Drehgestellsteuerung |
| DE102011118503A1 (de) * | 2011-11-15 | 2013-05-16 | Robert Bosch Gmbh | Druckgekapseltes Pumpengehäuse |
| DE102013224582A1 (de) * | 2013-11-29 | 2015-06-03 | Siemens Aktiengesellschaft | Fahrwerk für ein Schienenfahrzeug |
| DE102014003506A1 (de) * | 2014-03-14 | 2015-09-17 | Carl Freudenberg Kg | Hydrobuchsenanordnung |
| DE102014214055A1 (de) * | 2014-07-18 | 2016-01-21 | Siemens Aktiengesellschaft | Fahrwerk für ein Schienenfahrzeug |
-
2016
- 2016-11-24 AT ATA51066/2016A patent/AT519394B1/de active
-
2017
- 2017-11-22 WO PCT/EP2017/080027 patent/WO2018095961A1/de not_active Ceased
- 2017-11-22 EP EP17816478.6A patent/EP3529121B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018095961A1 (de) | 2018-05-31 |
| AT519394A1 (de) | 2018-06-15 |
| AT519394B1 (de) | 2023-01-15 |
| EP3529121B1 (de) | 2024-06-19 |
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