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EP0794101A2 - Railway vehicle with four or six wheelsets orientable in radial position - Google Patents

Railway vehicle with four or six wheelsets orientable in radial position Download PDF

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Publication number
EP0794101A2
EP0794101A2 EP97103309A EP97103309A EP0794101A2 EP 0794101 A2 EP0794101 A2 EP 0794101A2 EP 97103309 A EP97103309 A EP 97103309A EP 97103309 A EP97103309 A EP 97103309A EP 0794101 A2 EP0794101 A2 EP 0794101A2
Authority
EP
European Patent Office
Prior art keywords
vehicle body
control
wheel sets
radial
rail vehicle
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
EP97103309A
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German (de)
French (fr)
Other versions
EP0794101B1 (en
EP0794101A3 (en
Inventor
Lutz Schwendt
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.)
Mercedes Benz Group AG
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ABB Patent GmbH
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Publication date
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Publication of EP0794101A2 publication Critical patent/EP0794101A2/en
Publication of EP0794101A3 publication Critical patent/EP0794101A3/en
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Publication of EP0794101B1 publication Critical patent/EP0794101B1/en
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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
    • B61F5/44—Adjustment controlled by movements of vehicle body
    • 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 rail vehicle with four or six wheel sets.
  • rail vehicles of this type it is generally known to combine the wheel sets toward the vehicle ends in two groups, each with two or three wheel sets; these groups of wheels are usually each resiliently attached to a bogie frame.
  • the bogie frames are each movably connected to the vehicle body and perform the supporting function for the vehicle body.
  • the invention has for its object to provide a rail vehicle with four or six wheel sets controllable in the radial position in a weight-reduced design.
  • a rail vehicle with four or six sets of wheels, which are combined towards the ends of the vehicle in two groups, each with two or three sets of wheels, each set of wheels being connected directly and without any intermediate frame to the self-supporting vehicle body, and at the same time being used for track arching
  • Geometrically required transverse displacement and longitudinal displacement of the wheel sets relative to the vehicle body can be adjusted passively or actively by means of kinematics, as a result of which all wheel sets can be controlled in a radial or approximately radial position when traveling on a curved track.
  • the advantages that can be achieved with the invention are, in particular, that the proposed frameless rail vehicle with wheel sets attached directly to the self-supporting vehicle body is lighter and simpler than a rail vehicle with bogies of conventional design.
  • the saved weight allows e.g. an increase in drive power without increasing the axle load. Furthermore, there is a reduction in manufacturing costs.
  • the design according to the invention has the advantage that the lateral forces in the track and / or the wear on wheels and rails are significantly reduced and are approximately the same or even less than in the known vehicles with bogies
  • FIG. 1 shows a view of a rail vehicle when traveling on a curved track.
  • a self-supporting vehicle body 2 of a rail vehicle located on a track 1 can be seen.
  • the longitudinal axis of the vehicle body is labeled LA and the transverse axis of the vehicle body (perpendicular to the direction of travel of the vehicle) is labeled QA.
  • At each end of the vehicle body there are three wheel sets combined into a group. In detail, three axles 3, 4, 5 of the first group and three axles 6, 7, 8 of the second group are shown.
  • the two wheels of a wheelset axle are designated by numbers 9, 10. Furthermore, it is shown in Fig.
  • FIG. 2 shows a passive radial control of a wheelset axle 8 with wheels 9, 10, as can be used with all wheelsets.
  • passive radial control the transverse displacement of 12 individual wheel sets in relation to the vehicle body that occurs in the track curve is used.
  • pins 14, 15 are provided on both ends of the wheelset axles, which slide in guide grooves 16, 17, which are connected to the vehicle body 2.
  • the guide grooves 16, 17 are designed such that the pins 14, 15 inevitably experience a defined movement parallel to the longitudinal axis LA (longitudinal displacement 13) when the wheel set axis moves transversely to the vehicle body 2 (transverse displacement 12), as a result of which the wheel set axis rotates out of the normal position 11 takes place and the desired radial control is achieved.
  • the sketched pin / guide groove configuration 14/15/16/17 is only an example and can be replaced, for example, by linkage arrangements which use the transverse displacement 12 of the wheel sets with respect to the vehicle body 2 which occurs geometrically in the curved track in order to bring about a longitudinal displacement 13, as a result of which the radial control results. Furthermore, the controls of different wheel sets can also be mutually coupled in order to achieve an even better radial control effect.
  • control can be supported by the longitudinal forces that arise in a known manner in the arc due to different running circle diameters.
  • FIG. 3 shows an active radial control of a wheelset axle 8 with wheels 9, 10, as can be used with all wheelsets.
  • the ends of the wheelset axle are provided with joints 18a, 18b, into which piston rods 19a, 19b engage, which can be extended and retracted essentially parallel to the longitudinal axis LA by means of control cylinders 20a, 20b attached to the vehicle body 2.
  • control cylinders 20a, 20b By a corresponding installation direction of the control cylinders 20a, 20b, the required defined transverse displacement 12 of the wheel sets is achieved in addition to the longitudinal displacement 13. This results in an actively caused rotation of the wheelset axis from the normal position 11 in the direction of the radial setting.
  • a lever 21 is provided perpendicular to the axle of the wheelset, which is connected at its first end to the vehicle body 2 via a pivot point 25.
  • the second end of the lever 21 has a joint 22 and can be pivoted essentially parallel to the transverse axis QA.
  • a piston rod 23 of a control cylinder 24 attached to the vehicle body 2 engages the joint 22, as a result of which a rotational movement of the axle 8 about a pivot point 25 can be set.
  • the control cylinder is actuated, the respectively desired positions of the wheel set are achieved with transverse displacement 12 and longitudinal displacement 13 with respect to normal position 11.
  • the lever 21 can be fastened, for example, to the housing of the drive motor 26 of the axle 8.
  • auxiliary staff required for active control can be electrical, pneumatic or hydraulic.
  • the control specifications for these auxiliary forces - for example for the control cylinders 20a, 20b, 24 - can be dependent on the centrifugal forces occurring and detected in the track curve and / or depending on the geometric position occurring and recorded Wheel sets in the track curve and / or depending on the forces occurring and detected during track curve travel on the wheel sets.
  • the transverse displacements 12 of the wheel sets when traveling on a curved track parallel to the transverse axis QA are made possible either by a correspondingly large spring-loaded axial bearing play of the wheel sets or by a mobility of the wheel set axes parallel to the transverse axis QA. Adequate freedom of movement of the wheel sets is ensured by appropriate selection of the spring stiffness transverse to the vehicle longitudinal axis.
  • the spring stiffnesses in the transverse direction can be designed differently in the individual wheel sets in order to minimize lateral forces in the track and the wear of wheels and rails by optimal radial control.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Body Structure For Vehicles (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Abstract

Simultaneously, the geometrically required cross movement (12) and longitudinal movement (13) of the wheel sets (3-8) during track curve travel in relation to the vehicle bodywork are passively or actively adjustable by means of kinematics (3). All wheel sets during track curve travel are controllable in a radial or virtually radial position. Passive radial control pins are provided at both ends of the wheel set axles, which slide in guide grooves connected to the bodywork (2) of the vehicle.

Description

Die Erfindung bezieht sich auf ein Schienenfahrzeug mit vier oder sechs Radsätzen. Bei derartigen Schienenfahrzeugen ist es allgemein bekannt, die Radsätze zu den Fahrzeugenden hin in zwei Gruppen mit je zwei oder drei Radsätzen zusammenzufassen; diese Radsatzgruppen sind jeweils an einem Drehgestellrahmen meist federnd befestigt. Die Drehgestellrahmen sind jeweils beweglich mit dem Fahrzeugkasten verbunden und üben für den Fahrzeugkasten die Tragfunktion aus. Des weiteren ist es für ein solches Schienenfahrzeug allgemein bekannt, alle Radsätze bei Gleisbogenfahrt in radiale oder annähernd radiale Stellung zu steuern (selbstlenkendes Drehgestell).The invention relates to a rail vehicle with four or six wheel sets. In rail vehicles of this type, it is generally known to combine the wheel sets toward the vehicle ends in two groups, each with two or three wheel sets; these groups of wheels are usually each resiliently attached to a bogie frame. The bogie frames are each movably connected to the vehicle body and perform the supporting function for the vehicle body. Furthermore, it is generally known for such a rail vehicle to control all wheel sets when traveling on a curved track in a radial or approximately radial position (self-steering bogie).

Es ist weiterhin allgemein bekannt, Fahrzeuge mit vier oder mehr Radsätzen ohne tragende Drehgestelle auszuführen, bei denen die Radsätze starr oder querverschiebbar am Fahrzeugkasten geführt sind, wobei auch bei einigen Ausführungen einzelne Radsätze am Fahrzeugende um eine vertikale Achse schwenkbar gelagert sind. Diese Ausführungen haben jedoch nachteilige Eigenschaften bezüglich der großen Querkräfte im Gleis und/oder des hohen Verschleißes von Rädern und Schienen vor allem in Bögen.It is also generally known to design vehicles with four or more wheel sets without load-bearing bogies, in which the wheel sets are guided rigidly or displaceably on the vehicle body, and in some versions individual wheel sets are pivotally mounted about a vertical axis at the vehicle end. However, these designs have disadvantageous properties with regard to the large lateral forces in the track and / or the high wear of wheels and rails, especially in arches.

Diese allgemein bekannten und bewährten Bauweisen erfordern zudem relativ viele Baukomponenten und sind deshalb relativ schwer und aufwendig in Herstellung und Instandhaltung.These generally known and proven designs also require a relatively large number of structural components and are therefore relatively heavy and complex to manufacture and maintain.

Der Erfindung liegt die Aufgabe zugrunde, ein Schienenfahrzeug mit vier oder sechs in radiale Stellung steuerbaren Radsätzen in gewichtsreduzierter Bauweise anzugeben.The invention has for its object to provide a rail vehicle with four or six wheel sets controllable in the radial position in a weight-reduced design.

Diese Aufgabe wird gelöst durch ein Schienenfahrzeug mit vier oder sechs Radsätzen, welche zu den Fahrzeugenden hin in zwei Gruppen mit je zwei oder drei Radsätzen zusammengefaßt sind, wobei jeder Radsatz direkt und ohne jeden Zwischenrahmen mit dem selbsttragenden Fahrzeugkasten verbunden ist und wobei gleichzeitig die bei Gleisbogenfahrt geometrisch erforderliche Querverschiebung und Längsverschiebung der Radsätze gegenüber dem Fahrzeugkasten mittels einer Kinematik passiv oder aktiv einstellbar ist, wodurch alle Radsätze bei Gleisbogenfahrt in radiale oder annähernd radiale Stellung steuerbar sind.This object is achieved by a rail vehicle with four or six sets of wheels, which are combined towards the ends of the vehicle in two groups, each with two or three sets of wheels, each set of wheels being connected directly and without any intermediate frame to the self-supporting vehicle body, and at the same time being used for track arching Geometrically required transverse displacement and longitudinal displacement of the wheel sets relative to the vehicle body can be adjusted passively or actively by means of kinematics, as a result of which all wheel sets can be controlled in a radial or approximately radial position when traveling on a curved track.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß das vorgeschlagene rahmenlose Schienenfahrzeug mit direkt am selbsttragenden Fahrzeugkasten befestigten Radsätzen leichter und einfacher ist als ein Schienenfahrzeug mit Drehgestellen herkömmlicher Bauweise. Das eingesparte Gewicht erlaubt z.B. eine Erhöhung der Antriebsleistung ohne Erhöhung der Radsatzlasten. Des weiteren ergibt sich eine Reduzierung der Herstellkosten.The advantages that can be achieved with the invention are, in particular, that the proposed frameless rail vehicle with wheel sets attached directly to the self-supporting vehicle body is lighter and simpler than a rail vehicle with bogies of conventional design. The saved weight allows e.g. an increase in drive power without increasing the axle load. Furthermore, there is a reduction in manufacturing costs.

Gegenüber den bekannten Ausführungen ohne Drehgestelle bietet die erfindungsgemäße Ausführung den Vorteil, daß die Querkräfte im Gleis und/oder der Verschleiß an Rädern und Schiene wesentlich reduziert sind und annähernd gleich oder sogar geringer sind wie bei den bekannten Fahrzeugen mit DrehgestellenCompared to the known designs without bogies, the design according to the invention has the advantage that the lateral forces in the track and / or the wear on wheels and rails are significantly reduced and are approximately the same or even less than in the known vehicles with bogies

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Advantageous embodiments of the invention are characterized in the subclaims.

Die Erfindung wird nachstehend anhand der in der Zeichnung dargestellten Ausführungsbeispiele erläutert. Es zeigen:

Fig. 1
eine Sicht auf ein Schienenfahrzeug bei Gleisbogenfahrt,
Fig. 2
eine passive radiale Steuerung der Radsätze,
Fig. 3, 4
aktive radiale Steuerungen der Radsätze.
The invention is explained below with reference to the embodiments shown in the drawing. Show it:
Fig. 1
a view of a rail vehicle when traveling on a curve,
Fig. 2
passive radial control of the wheel sets,
3, 4
active radial controls of the wheel sets.

In der Fig. 1 ist eine Sicht auf ein Schienenfahrzeug bei Gleisbogenfahrt dargestellt. Es ist ein auf einem Gleisbogen 1 befindlicher, selbsttragender Fahrzeugkasten 2 eines Schienenfahrzeuges zu erkennen. Die Längsachse des Fahrzeugkastens ist mit LA und die Querachse des Fahrzeugkastens (senkrecht zur Fahrtrichtung des Fahrzeuges) ist mit QA bezeichnet. An jedem Fahrzeugkastenende befinden sich drei zu einer Gruppe zusammengefaßte Radsätze. Im einzelnen sind drei Radsatzachsen 3, 4, 5 der ersten Gruppe und drei Radsatzachsen 6, 7, 8 der zweiten Gruppe dargestellt. Die beiden Räder einer Radsatzachse sind mit Ziffern 9, 10 bezeichnet. Weiterhin ist in Fig. 1 dargestellt, daß die Radsätze im Bogen eine geometrisch bedingte Lageänderung gegenüber ihrer normalen Stellung 11 erfahren; es ergibt sich eine Querverschiebung 12 (parallel zu QA) und eine Längsverschiebung 13 (parallel zu LA), wobei die Querverschiebungen 12 und Längsverschiebungen 13 für jeden Radsatz unterschiedliche Werte aufweisen..1 shows a view of a rail vehicle when traveling on a curved track. A self-supporting vehicle body 2 of a rail vehicle located on a track 1 can be seen. The longitudinal axis of the vehicle body is labeled LA and the transverse axis of the vehicle body (perpendicular to the direction of travel of the vehicle) is labeled QA. At each end of the vehicle body there are three wheel sets combined into a group. In detail, three axles 3, 4, 5 of the first group and three axles 6, 7, 8 of the second group are shown. The two wheels of a wheelset axle are designated by numbers 9, 10. Furthermore, it is shown in Fig. 1 that the wheel sets in the arc experience a geometrically induced change in position relative to their normal position 11; there is a transverse displacement 12 (parallel to QA) and a longitudinal displacement 13 (parallel to LA), the transverse displacements 12 and longitudinal displacements 13 having different values for each wheel set.

In Fig. 2 ist eine passive radiale Steuerung einer Radsatzachse 8 mit Rädern 9, 10 gezeigt, wie sie bei allen Radsätzen verwendet werden kann. Für die passive radiale Steuerung wird die im Gleisbogen entstehende Querverschiebung 12 einzelner Radsätze gegenüber dem Fahrzeugkasten herangezogen. Hierzu sind beispielsweise Zapfen 14, 15 an beiden Enden der Radsatzachsen vorgesehen, die in Führungsnuten 16, 17 gleiten, welche mit dem Fahrzeugkasten 2 verbunden sind. Die Führungsnuten 16, 17 sind derart ausgebildet, daß die Zapfen 14, 15 bei einer Bewegung der Radsatzachse quer zum Fahrzeugkasten 2 (Querverschiebung 12) zwangsläufig auch eine definierte Bewegung parallel zur Längsachse LA (Längsverschiebung 13) erfahren, wodurch eine Drehung der Radsatzachse aus der normalen Stellung 11 erfolgt und die gewünschte radiale Steuerung erzielt wird.2 shows a passive radial control of a wheelset axle 8 with wheels 9, 10, as can be used with all wheelsets. For passive radial control, the transverse displacement of 12 individual wheel sets in relation to the vehicle body that occurs in the track curve is used. For this purpose, for example, pins 14, 15 are provided on both ends of the wheelset axles, which slide in guide grooves 16, 17, which are connected to the vehicle body 2. The guide grooves 16, 17 are designed such that the pins 14, 15 inevitably experience a defined movement parallel to the longitudinal axis LA (longitudinal displacement 13) when the wheel set axis moves transversely to the vehicle body 2 (transverse displacement 12), as a result of which the wheel set axis rotates out of the normal position 11 takes place and the desired radial control is achieved.

Die skizzierte Zapfen-/Führungsnuten-Konfiguration 14/15/16/17 ist lediglich beispielhaft und kann beispielsweise durch Gestängeanordnungen ersetzt werden, welche die im Gleisbogen geometrisch entstehende Querverschiebung 12 der Radsätze gegenüber dem Fahrzeugkasten 2 verwenden, um eine Längsverschiebung 13 zu bewirken, wodurch sich die Radialsteuerung ergibt. Weiterhin kann auch eine gegenseitige Verkoppelung der Steuerungen verschiedener Radsätze ausgeführt werden, um eine noch bessere radiale Steuerungswirkung zu erzielen.The sketched pin / guide groove configuration 14/15/16/17 is only an example and can be replaced, for example, by linkage arrangements which use the transverse displacement 12 of the wheel sets with respect to the vehicle body 2 which occurs geometrically in the curved track in order to bring about a longitudinal displacement 13, as a result of which the radial control results. Furthermore, the controls of different wheel sets can also be mutually coupled in order to achieve an even better radial control effect.

Des weiteren kann die Steuerung durch die sich in bekannter Weise im Bogen durch unterschiedliche Laufkreisdurchmesser entstehenden Längskräfte unterstützt werden.Furthermore, the control can be supported by the longitudinal forces that arise in a known manner in the arc due to different running circle diameters.

In Fig. 3 ist eine aktive radiale Steuerung einer Radsatzachse 8 mit Rädern 9, 10 dargestellt, wie sie bei allen Radsätzen verwendet werden kann. Hierzu sind die Enden der Radsatzachse mit Gelenken 18a, 18b versehen, in die Kolbenstangen 19a, 19b eingreifen, welche mittels am Fahrzeugkasten 2 befestigten Steuerzylindern 20a, 20b im wesentlichen parallel zu Längsachse LA ein- und ausfahrbar sind. Durch eine entsprechende Einbaurichtung der Steuerzylinder 20a, 20b wird neben der Längsverschiebung 13 gleichzeitig die erforderliche definierte Querverschiebung 12 der Radsätze erreicht. Hierdurch ergibt sich eine aktiv bewirkte Drehung der Radsatzachse aus der normalen Stellung 11 in Richtung der radialen Einstellung.FIG. 3 shows an active radial control of a wheelset axle 8 with wheels 9, 10, as can be used with all wheelsets. For this purpose, the ends of the wheelset axle are provided with joints 18a, 18b, into which piston rods 19a, 19b engage, which can be extended and retracted essentially parallel to the longitudinal axis LA by means of control cylinders 20a, 20b attached to the vehicle body 2. By a corresponding installation direction of the control cylinders 20a, 20b, the required defined transverse displacement 12 of the wheel sets is achieved in addition to the longitudinal displacement 13. This results in an actively caused rotation of the wheelset axis from the normal position 11 in the direction of the radial setting.

In Fig. 4 ist eine alternative aktive radiale Steuerung der Radsatzachse 8 mit Rädern 9, 10 dargestellt, wie sie bei allen Radsätzen verwendet werden kann. Bei diesem Lösungskonzept ist ein Hebel 21 senkrecht zur Radsatzachse vorgesehen, der an seinem ersten Ende über einen Drehpunkt 25 mit dem Fahrzeugkasten 2 verbunden ist. Das zweite Ende des Hebels 21 weist ein Gelenk 22 auf und ist im wesentlichen parallel zur Querachse QA schwenkbar. Hierzu greift eine Kolbenstange 23 eines am Fahrzeugkasten 2 befestigten Steuerzylinders 24 am Gelenk 22 an, wodurch sich eine Drehbewegung der Radsatzachse 8 um einen Drehpunkt 25 einstellen läßt. Bei Betätigung des Steuerzylinders werden die jeweils gewünschten Stellungen des Radsatzes mit Querverschiebung 12 und Längsverschiebung 13 gegenüber der normalen Stellung 11 erreicht. Wie in Fig. 4 gezeigt, kann der Hebel 21 beispielsweise am Gehäuse des Antriebsmotors 26 der Radsatzachse 8 befestigt sein.4 shows an alternative active radial control of the wheelset axle 8 with wheels 9, 10, as can be used with all wheelsets. In this solution concept, a lever 21 is provided perpendicular to the axle of the wheelset, which is connected at its first end to the vehicle body 2 via a pivot point 25. The second end of the lever 21 has a joint 22 and can be pivoted essentially parallel to the transverse axis QA. For this purpose, a piston rod 23 of a control cylinder 24 attached to the vehicle body 2 engages the joint 22, as a result of which a rotational movement of the axle 8 about a pivot point 25 can be set. When the control cylinder is actuated, the respectively desired positions of the wheel set are achieved with transverse displacement 12 and longitudinal displacement 13 with respect to normal position 11. As shown in FIG. 4, the lever 21 can be fastened, for example, to the housing of the drive motor 26 of the axle 8.

Beide Ausführungsvarianten nach Fig. 3 und 4 sind lediglich beispielhaft und es sind darüber hinaus weitere aktive radiale Steuerkonzepte einsetzbar, welche die Radialsteuerung bewirken oder zumindest unterstützen. Die zur aktiven Steuerung erforderlichen Hilfskräfte können elektrischer, pneumatischer oder hydraulischer Art sein. Die Steuervorgaben für diese Hilfskräfte - beispielsweise für die Steuerzylinder 20a, 20b, 24 - können in Abhängigkeit der im Gleisbogen auftretenden und erfaßten Fliehkräfte und/oder in Abhängigkeit der auftretenden und erfaßten geometrischen Stellung der Radsätze im Gleisbogen und/oder in Abhängigkeit der bei Gleisbogenfahrt auftretenden und erfaßten Kräfte an den Radsätzen erfolgen.3 and 4 are only examples and further active radial control concepts can be used which effect or at least support the radial control. The auxiliary staff required for active control can be electrical, pneumatic or hydraulic. The control specifications for these auxiliary forces - for example for the control cylinders 20a, 20b, 24 - can be dependent on the centrifugal forces occurring and detected in the track curve and / or depending on the geometric position occurring and recorded Wheel sets in the track curve and / or depending on the forces occurring and detected during track curve travel on the wheel sets.

Die Querverschiebungen 12 der Radsätze bei Gleisbogenfahrt parallel zur Querachse QA werden entweder durch entsprechend großes federbeaufschlagtes Axiallagerspiel der Radsätze oder durch eine Beweglichkeit der Radsatzachsen parallel zur Querachse QA ermöglicht. Durch entsprechende Wahl der Federsteifigkeiten quer zur Fahrzeuglängsachse wird eine ausreichende Bewegungsmöglichkeit der Radsätze sichergestellt. In weiterer Ausgestaltung der Erfindung können die Federsteifigkeiten in Querrichtung bei den einzelnen Radsätzen unterschiedlich ausgeführt werden, um durch optimale radiale Steuerung eine Minimierung von Querkräften im Gleis und des Verschleißes von Rädern und Schienen zu erreichen.The transverse displacements 12 of the wheel sets when traveling on a curved track parallel to the transverse axis QA are made possible either by a correspondingly large spring-loaded axial bearing play of the wheel sets or by a mobility of the wheel set axes parallel to the transverse axis QA. Adequate freedom of movement of the wheel sets is ensured by appropriate selection of the spring stiffness transverse to the vehicle longitudinal axis. In a further embodiment of the invention, the spring stiffnesses in the transverse direction can be designed differently in the individual wheel sets in order to minimize lateral forces in the track and the wear of wheels and rails by optimal radial control.

Bei den vorstehenden Ausführungsbeispielen ist ein sechsachsiges Fahrzeug beschrieben, die Erfindung ist jedoch in gleicher Art und Weise bei vierachsigen Fahrzeugen verwendbar.In the above exemplary embodiments, a six-axle vehicle is described, but the invention can be used in the same way for four-axle vehicles.

Claims (8)

Schienenfahrzeug mit vier oder sechs Radsätzen, welche zu den Fahrzeugenden hin in zwei Gruppen mit je zwei oder drei Radsätzen zusammengefaßt sind, wobei jeder Radsatz (3 bis 8) direkt und ohne jeden Zwischenrahmen mit dem selbsttragenden Fahrzeugkasten (2) verbunden ist und wobei gleichzeitig die bei Gleisbogenfahrt geometrisch erforderliche Querverschiebung (12) und Längsverschiebung (13) der Radsätze gegenüber dem Fahrzeugkasten mittels einer Kinematik (14, 15, 16, 17 oder 18a, 18b, 19a, 19b, 20a, 20b oder 21, 22, 3, 24, 25) passiv oder aktiv einstellbar ist, wodurch alle Radsätze bei Gleisbogenfahrt in radiale oder annähernd radiale Stellung steuerbar sind.Rail vehicle with four or six wheel sets, which are combined towards the ends of the vehicle in two groups, each with two or three wheel sets, each wheel set (3 to 8) being connected directly and without any intermediate frame to the self-supporting vehicle body (2) and at the same time the when traveling on a curved track geometrically required transverse displacement (12) and longitudinal displacement (13) of the wheel sets relative to the vehicle body by means of kinematics (14, 15, 16, 17 or 18a, 18b, 19a, 19b, 20a, 20b or 21, 22, 3, 24, 25) can be set passively or actively, so that all wheel sets can be steered into a radial or approximately radial position when traveling on a curved track. Schienenfahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß zur passiven radialen Steuerung Zapfen (14, 15) an beiden Enden der Radsatzachsen vorgesehen sind, welche in mit dem Fahrzeugkasten (2) verbundenen Führungsnuten (16, 17) gleiten, wobei die Einbaulage der Führungsnuten bezüglich der Längsachse (LA) und Querachse (QA) des Fahrzeugkastens (2) gleichzeitig die gewünschte Quewerschiebung (12) und Längsverschiebung (13) gegenüber der normalen Stellung (11) einer Radsatzachse vorgibt (Fig. 2).Rail vehicle according to claim 1, characterized in that for passive radial control, pins (14, 15) are provided at both ends of the axles which slide in guide grooves (16, 17) connected to the vehicle body (2), the installation position of the guide grooves with respect to the longitudinal axis (LA) and transverse axis (QA) of the vehicle body (2) simultaneously specifies the desired transverse displacement (12) and longitudinal displacement (13) relative to the normal position (11) of a wheelset axis (Fig. 2). Schienenfahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß zur aktiven radialen Steuerung Gelenke (18a, 18b) an beiden Enden der Radsatzachsen vorgesehen sind, in die Kolbenstangen (19a, 19b) eingreifen, welche mittels am Fahrzeugkasten (2) befestigten Steuerzylindern (20a, 20b) ein- und ausfahrbar sind, wobei die Einbaulage der Steuerzylinder bezüglich der Längsachse (LA) und Querachse (QA) des Fahrzeugkastens (2) gleichzeitig die gewünschte Querverschiebung (12) und Längsverschiebung (13) gegenüber der normalen Stellung (11) einer Radsatzachse vorgibt (Fig. 3).Rail vehicle according to claim 1, characterized in that for active radial control joints (18a, 18b) are provided at both ends of the axles, engage in the piston rods (19a, 19b) which are attached to the vehicle body (2) by means of control cylinders (20a, 20b) ) are retractable and extendable, the installation position of the control cylinders with respect to the longitudinal axis (LA) and transverse axis (QA) of the vehicle body (2) simultaneously specifying the desired transverse displacement (12) and longitudinal displacement (13) compared to the normal position (11) of a wheelset axis (Fig. 3). Schienenfahrzeug nach Anspruch 1, dadurch gekennzeichnet, daß zur aktiven radialen Steuerung ein mit der Radsatzachse verbundener, senkrecht zu ihr angeordneter Hebel (21) vorgesehen ist, der an seinem ersten Ende über einen Drehpunkt (25) mit dem Fahrzeugkasten (2) verbunden ist und der an seinem zweiten Ende ein Gelenk (22) aufweist, in das die Kolbenstange (23) eines am Fahrzeugkasten befestigten Steuerzylinders (24) eingreift, wobei sich die gewünschte Querverschiebung (12) und Längsverschiebung (13) gegenüber der normalen Stellung (11) einer Radsatzachse durch Ein- und Ausfahren der sich im wesentlichen parallel zur Querachse (QA) des Fahrzeugkastens (2) bewegenden Kolbenstange (23) einstellt (Fig. 4).Rail vehicle according to claim 1, characterized in that for active radial control there is provided a lever (21) which is connected to the axle of the wheelset and is arranged perpendicular to it and which is connected at its first end to the vehicle body (2) via a pivot point (25) and the one at its second end Hinge (22) into which the piston rod (23) of a control cylinder (24) attached to the vehicle body engages, the desired transverse displacement (12) and longitudinal displacement (13) relative to the normal position (11) of a wheelset axle by retracting and extending the piston rod (23) moving essentially parallel to the transverse axis (QA) of the vehicle body (2) (FIG. 4). Schienenfahrzeug nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Ansteuerung der radialen Stellung durch aktive Hilfskräfte elektrischer, pneumatischer oder hydraulischer Art bewirkt oder zumindest unterstützt wird.Rail vehicle according to one of claims 1 to 4, characterized in that the control of the radial position is effected or at least supported by active auxiliary forces of an electrical, pneumatic or hydraulic type. Schienenfahrzeug nach Anspruch 5, dadurch gekennzeichnet, daß die Steuervorgabe für die Hilfskraft auf Grund der auf die Radsätze bei Gleisbogenfahrt einwirkenden Längskräfte erfolgt.Rail vehicle according to claim 5, characterized in that the control specification for the auxiliary power is made on the basis of the longitudinal forces acting on the wheel sets when traveling on a curved track. Schienenfahrzeug nach Anspruch 5, dadurch gekennzeichnet, daß die Steuervorgabe für die Hilfskraft auf Grund der geometrischen Stellung der Radsätze bei Gleisbogenfahrt erfolgt.Rail vehicle according to claim 5, characterized in that the control specification for the assistant is made on the basis of the geometric position of the wheel sets when traveling on a curved track. Schienenfahrzeug nach Anspruch 5, dadurch gekennzeichnet, daß die Steuervorgabe für die Hilfskraft auf Grund der auf einen Radsatz bei Gleisbogenfahrt einwirkenden Querkräfte mittelbar oder unmittelbar erfolgt.Rail vehicle according to claim 5, characterized in that the control specification for the assistant is made indirectly or directly on the basis of the transverse forces acting on a wheel set when traveling on a curved track.
EP97103309A 1996-03-06 1997-02-28 Railway vehicle with four or six wheelsets orientable in radial position Expired - Lifetime EP0794101B1 (en)

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DE19608659A DE19608659A1 (en) 1996-03-06 1996-03-06 Rail vehicle with four or six wheel sets controllable in radial position
DE19608659 1996-03-06

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EP0794101A2 true EP0794101A2 (en) 1997-09-10
EP0794101A3 EP0794101A3 (en) 1998-11-04
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CN107021110A (en) * 2016-01-29 2017-08-08 北京控股磁悬浮技术发展有限公司 Medium-and low-speed maglev engineering working vehicle

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DE10047432A1 (en) * 2000-09-26 2002-04-11 Alstom Lhb Gmbh Method and device for stabilizing the running of waves in railway wheel sets
CN105946875B (en) * 2016-05-10 2018-02-09 同济大学 A kind of track train active radial system

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DE4419878C1 (en) * 1994-06-07 1995-07-20 Sig Schweiz Industrieges Rail-vehicle axle system with radially-adjustable wheel sets

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DE927877C (en) * 1953-08-29 1955-05-20 Maschf Augsburg Nuernberg Ag Axle control for two- or multi-unit rail vehicles with single-axle end and central drives
WO1991013788A1 (en) * 1990-03-15 1991-09-19 Utdc Inc. Chassis for steerable truck
DE4419878C1 (en) * 1994-06-07 1995-07-20 Sig Schweiz Industrieges Rail-vehicle axle system with radially-adjustable wheel sets

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CN107021110A (en) * 2016-01-29 2017-08-08 北京控股磁悬浮技术发展有限公司 Medium-and low-speed maglev engineering working vehicle
CN107021110B (en) * 2016-01-29 2019-12-20 北京控股磁悬浮技术发展有限公司 Medium-low speed magnetic levitation engineering operation vehicle

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EP0794101B1 (en) 2002-05-29
DE59707346D1 (en) 2002-07-04
ATE218112T1 (en) 2002-06-15
DE19608659A1 (en) 1997-09-11
EP0794101A3 (en) 1998-11-04

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