EP0568043A1 - Railway vehicle with bogies - Google Patents

Railway vehicle with bogies Download PDF

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Publication number
EP0568043A1
EP0568043A1 EP93106901A EP93106901A EP0568043A1 EP 0568043 A1 EP0568043 A1 EP 0568043A1 EP 93106901 A EP93106901 A EP 93106901A EP 93106901 A EP93106901 A EP 93106901A EP 0568043 A1 EP0568043 A1 EP 0568043A1
Authority
EP
European Patent Office
Prior art keywords
bogie
bellows
additional volumes
linkage
bogie according
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
EP93106901A
Other languages
German (de)
French (fr)
Other versions
EP0568043B1 (en
Inventor
Ulrich Dr. Hachmann
Hans-Peter Lang
Wolfgang-Dieter Richter
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.)
AEG Schienenfahrzeuge GmbH
Original Assignee
AEG Schienenfahrzeuge GmbH
MAN GHH Schienenverkehrstechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by AEG Schienenfahrzeuge GmbH, MAN GHH Schienenverkehrstechnik GmbH filed Critical AEG Schienenfahrzeuge GmbH
Publication of EP0568043A1 publication Critical patent/EP0568043A1/en
Application granted granted Critical
Publication of EP0568043B1 publication Critical patent/EP0568043B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies

Definitions

  • the invention relates to a bogie for rail vehicles with the features of the preamble of claim 1.
  • the gradient of the air spring characteristics can be changed by additional volumes, which are connected to the respective bellows in the form of containers via lines, or can be created by appropriate design of the bellows plate or spring support.
  • Both bellows of a bogie are usually connected to each other via a differential pressure valve in order to prevent the occurrence of impermissible wheel load differences in the event of one-sided pressure loss, although the pressure differences occurring between the inside and outside of the air spring bellows when traveling through bends are permitted.
  • a desirable increase in outside pressure would require the safety function of the differential pressure valve to be overridden.
  • the object of the invention is to make the secondary suspension controllable in accordance with predetermined reference numbers and to counteract the roll movements occurring in the case of unbalanced transverse accelerations by an asymmetry of the support characteristic by influencing the spring volume.
  • additional volumes are assigned to the torus bellows of a bogie with air suspension as secondary suspension, three-way valves being arranged between the torus bellows and the additional volumes.
  • the additional volumes can be separated from the associated toroidal bellows via the three-way valves and at the same time connected to the second toroidal bellows of the bogie via a connecting line.
  • the three-way valve is advantageously operated via a linkage, and it can be designed so that it transmits the relative movements of the car body transversely to the bogie frame. It makes sense if the linkage and valve characteristics enable an adjustable dead travel.
  • the linkage can, for example, act directly on the valve plug.
  • the additional volumes are arranged either in switchable pressure vessels or in switchable cavities in the car body or in the bogie.
  • the secondary suspension according to Fig. 1 and Fig. 2, consisting of as bellows 2, 3 with connected Additional volumes 6, 7 of air suspension are arranged in the usual way between the bogie and the body.
  • the torus bellows 2, 3 are connected to one another by a line 10, a differential pressure valve 1 being interposed as a safeguard against excessive pressure drop in a torus bellows 2, 3.
  • the torus bellows 2, 3 are connected via additional lines 11, 12 to additional volumes 6, 7 which can be arranged in pressure vessels or cavities in the rail vehicle.
  • Three-way valves 4, 5 are arranged between the torus bellows 2, 3 and the additional volumes 6, 7, a further line 17 being located between the two three-way valves 4, 5.
  • the three-way valves 4, 5 are articulated via a linkage 8 to the car body 9, whereby certain paths of the three-way valves 4, 5 are released or blocked by means of the linkage 8, by rotating the plug in the valve through the linkage 8.
  • a dead path can be defined by appropriate arrangements of the flow openings or by an intended play of the linkage.
  • the torus bellows are connected in the usual way to a compressed air supply via connecting lines 13, 14.
  • the associated additional volumes 6, 7 are connected to the torus bellows 2, 3.
  • the three-way valves 4, 5 block the line 17 which connects them to one another.
  • the car body 9 deflects relative to the bogie and the linkage 8 actuates the three-way valves 4, 5 in such a way that the additional volume 6 is decoupled from the toroidal bellows 2, in the direction of which the transverse acceleration a q acts.
  • the line 17 between the three-way valves 4, 5 is opened so that both additional volumes 6, 7 are now connected to the other toroidal bellows 3.

Abstract

Bogie for rail vehicles having primary suspension and secondary suspension, the secondary suspension being a pneumatic suspension and the pneumatic springs being designed as toroidal bellows (2, 3) and additional volumes (6, 7) which are connected to the toroidal bellows (2, 3) via lines (11, 12) being assigned and three-way valves (4, 5) being arranged between the toroidal bellows (2, 3) and the additional volumes (6, 7). <IMAGE>

Description

Die Erfindung betrifft ein Drehgestell für Schienenfahrzeuge mit den Merkmalen des Oberbegriffs des Anspruchs 1.The invention relates to a bogie for rail vehicles with the features of the preamble of claim 1.

Solche Drehgestelle sind bekannt.Such bogies are known.

Der Gradient der Luftfederkennlinien kann durch Zusatzvolumina verändert werden, die in Form von Behältern über Leitungen mit dem jeweiligen Balg verbunden sind, oder durch entsprechende konstruktive Gestaltung der Balgplatte oder Federauflage geschaffen werden.The gradient of the air spring characteristics can be changed by additional volumes, which are connected to the respective bellows in the form of containers via lines, or can be created by appropriate design of the bellows plate or spring support.

Beide Bälge eines Drehgestells sind üblicherweise über ein Differenzdruckventil miteinander verbunden, um das Auftreten unzulässiger Radlastunterschiede bei einseitigem Druckverlust zu verhindern, wobei die bei Bogenfahrt auftretenden Druckunterschiede zwischen bogeninnerem und bogenäußerem Luftfederbalg jedoch zugelassen sind. Eine wünschenswerte Steigerung des bogenäußeren Drucks würde eine Außerkraftsetzung der Sicherheitsfunktion des Differenzdruckventils erfordern.Both bellows of a bogie are usually connected to each other via a differential pressure valve in order to prevent the occurrence of impermissible wheel load differences in the event of one-sided pressure loss, although the pressure differences occurring between the inside and outside of the air spring bellows when traveling through bends are permitted. A desirable increase in outside pressure would require the safety function of the differential pressure valve to be overridden.

Aufgabe der Erfindung ist es, die Sekundärfederung entsprechend vorbestimmter Kennziffern regelbar zu machen und durch eine Beeinflussung des Federvolumens den bei unausgeglichenen Querbeschleunigungen auftretenden Wankbewegungen durch eine Asymmetrie der Abstützcharakteristik entgegenzuwirken.The object of the invention is to make the secondary suspension controllable in accordance with predetermined reference numbers and to counteract the roll movements occurring in the case of unbalanced transverse accelerations by an asymmetry of the support characteristic by influencing the spring volume.

Diese Aufgabe wird mit den im kennzeichnenden Teil des Anspruchs 1 genannten Merkmalen gelöst. Fortbildungen und besondere Ausführungen der Erfindung sind in den weiteren Ansprüchen umfaßt.This task is carried out in the characteristic part of the Features mentioned claim 1 solved. Developments and special embodiments of the invention are included in the further claims.

Erfindungsgemäß sind den Torusbälgen eines Drehgestells mit Luftfederung als Sekundärfederung Zusatzvolumina zugeordnet, wobei zwischen den Torusbälgen und den Zusatzvolumina Dreiwegeventile angeordnet sind.According to the invention, additional volumes are assigned to the torus bellows of a bogie with air suspension as secondary suspension, three-way valves being arranged between the torus bellows and the additional volumes.

Über die Dreiwegeventile können die Zusatzvolumina vom zugehörigen Torusbalg getrennt und gleichzeitig dem zweiten Torusbalg des Drehgestells über eine Verbindungsleitung zugeschaltet werden.The additional volumes can be separated from the associated toroidal bellows via the three-way valves and at the same time connected to the second toroidal bellows of the bogie via a connecting line.

Das Dreiwegeventil wird vorteilhafterweise über ein Gestänge betätigt, wobei es so ausgeführt sein kann, daß es die Relativbewegungen des Wagenkastens quer zum Drehgestellrahmen überträgt. Dabei ist es sinnvoll, wenn Gestänge und Ventilcharakteristik einen einstellbaren Totweg ermöglichen. Das Gestänge kann hierbei zum Beispiel unmittelbar auf das Küken des Ventils wirken.The three-way valve is advantageously operated via a linkage, and it can be designed so that it transmits the relative movements of the car body transversely to the bogie frame. It makes sense if the linkage and valve characteristics enable an adjustable dead travel. The linkage can, for example, act directly on the valve plug.

Die Zusatzvolumina sind entweder in zuschaltbaren Druckbehältern oder in zuschaltbaren Hohlräumen im Wagenkasten oder im Drehgestell angeordnet.The additional volumes are arranged either in switchable pressure vessels or in switchable cavities in the car body or in the bogie.

Im Folgenden wird die Erfindung anhand von Zeichnungen beispielhaft näher beschrieben. Dabei zeigen:

Fig. 1)
eine schematische Darstellung der Sekundärfederung eines Schienenfahrzeugs bei der Geradeausfahrt;
Fig. 2)
eine schematische Darstellung der Sekundärfederung eines Schienenfahrzeugs bei der Bogenfahrt.
The invention is described in more detail below by way of example with reference to drawings. Show:
Fig. 1)
a schematic representation of the secondary suspension of a rail vehicle when driving straight ahead;
Fig. 2)
is a schematic representation of the secondary suspension of a rail vehicle during the bend.

Die Sekundärfederung gemäß Fig. 1 und Fig. 2, bestehend aus als Torusbälgen 2, 3 mit angeschlossenen Zusatzvolumina 6, 7 ausgeführter Luftfederung, ist in üblicher Weise zwischen Drehgestell und Wagenkasten angeordnet. Die Torusbälge 2, 3 sind untereinander durch eine Leitung 10 verbunden, wobei ein Differenzdruckventil 1 als Sicherung gegen zu großen Druckabfall eines Torusbalges 2, 3 zwischengeschaltet ist. Die Torusbälge 2, 3 sind über weitere Leitungen 11, 12 mit Zusatzvolumina 6, 7 verbunden, die in Druckbehältern oder Hohlräumen des Schienenfahrzeugs angeordnet sein können. Zwischen den Torusbälgen 2, 3 und den Zusatzvolumina 6, 7 sind Dreiwegeventile 4, 5 angeordnet, wobei sich eine weitere Leitung 17 zwischen den beiden Dreiwegeventilen 4, 5 befindet. Die Dreiwegeventile 4, 5 sind über ein Gestänge 8 am Wagenkasten 9 angelenkt, wobei mittels des Gestänges 8 bestimmte Wege der Dreiwegeventile 4, 5 freigegeben, bzw. gesperrt werden, indem durch das Gestänge 8 das Küken im Ventil gedreht wird. Durch entsprechende Anordnungen der Durchflußöffnungen oder durch ein vorgesehenes Spiel des Gestänges kann ein Totweg definiert werden. Die Torusbälge sind in üblicher Weise über Anschlußleitungen 13, 14 mit einer Druckluftversorgung verbunden.The secondary suspension according to Fig. 1 and Fig. 2, consisting of as bellows 2, 3 with connected Additional volumes 6, 7 of air suspension are arranged in the usual way between the bogie and the body. The torus bellows 2, 3 are connected to one another by a line 10, a differential pressure valve 1 being interposed as a safeguard against excessive pressure drop in a torus bellows 2, 3. The torus bellows 2, 3 are connected via additional lines 11, 12 to additional volumes 6, 7 which can be arranged in pressure vessels or cavities in the rail vehicle. Three-way valves 4, 5 are arranged between the torus bellows 2, 3 and the additional volumes 6, 7, a further line 17 being located between the two three-way valves 4, 5. The three-way valves 4, 5 are articulated via a linkage 8 to the car body 9, whereby certain paths of the three-way valves 4, 5 are released or blocked by means of the linkage 8, by rotating the plug in the valve through the linkage 8. A dead path can be defined by appropriate arrangements of the flow openings or by an intended play of the linkage. The torus bellows are connected in the usual way to a compressed air supply via connecting lines 13, 14.

Bei der Geradeausfahrt gemäß Fig. 1 sind die zugehörigen Zusatzvolumina 6, 7 den Torusbälgen 2, 3 zugeschaltet. Die Dreiwegeventile 4, 5 sperren die Leitung 17, die sie miteinander verbindet. In der Bogenfahrt gemäß Fig. 2 dagegen lenkt der Wagenkasten 9 gegenüber dem Drehgestell aus und das Gestänge 8 betätigt die Dreiwegeventile 4, 5 derart, daß das Zusatzvolumen 6 von dem Torusbalg 2 abgekoppelt wird, in dessen Richtung die Querbeschleunigung aq wirkt. Gleichzeitig wird die Leitung 17 zwischen den Dreiwegeventilen 4, 5 geöffnet, so daß nun beide Zusatzvolumina 6, 7 mit dem anderen Torusbalg 3 zusammengeschlossen sind.1, the associated additional volumes 6, 7 are connected to the torus bellows 2, 3. The three-way valves 4, 5 block the line 17 which connects them to one another. 2, on the other hand, the car body 9 deflects relative to the bogie and the linkage 8 actuates the three-way valves 4, 5 in such a way that the additional volume 6 is decoupled from the toroidal bellows 2, in the direction of which the transverse acceleration a q acts. At the same time, the line 17 between the three-way valves 4, 5 is opened so that both additional volumes 6, 7 are now connected to the other toroidal bellows 3.

Claims (7)

Drehgestell für Schienenfahrzeuge mit Primär- und Sekundärfederung, wobei die Sekundärfederung eine Luftfederung ist und die Luftfedern als Torusbälge (2, 3) mit über Leitungen zugeordneten Zusatzvolumina (6, 7) ausgeführt sind,
dadurch gekennzeichnet,
daß zwischen den Torusbälgen (2, 3) und den Zusatzvolumina (6, 7) Dreiwegeventile (4, 5) angeordnet sind.Bogie for rail vehicles with primary and secondary suspension, the secondary suspension being air suspension and the air springs being designed as toroidal bellows (2, 3) with additional volumes (6, 7) assigned via lines,
characterized by
that three-way valves (4, 5) are arranged between the toroidal bellows (2, 3) and the additional volumes (6, 7). Drehgestell nach Anspruch 1,
dadurch gekennzeichnet,
daß jeweils über ein Dreiwegeventil (5) das Zusatzvolumen (6) vom zugehörigen Torusbalg (2) getrennt und gleichzeitig dem zweiten Torusbalg (3) des Drehgestells über eine Verbindungsleitung (17) zugeschaltet werden kann.Bogie according to claim 1,
characterized by
that the additional volume (6) can be separated from the associated toroidal bellows (2) via a three-way valve (5) and simultaneously connected to the second toroidal bellows (3) of the bogie via a connecting line (17). Drehgestell nach Anspruch 1,
dadurch gekennzeichnet,
daß die Dreiwegeventile (4, 5) über Gestänge (8) betätigt werden.Bogie according to claim 1,
characterized by
that the three-way valves (4, 5) are actuated via linkage (8). Drehgestell nach Anspruch 3,
dadurch gekennzeichnet,
daß das Gestänge (8) die Relativbewegungen des Wagenkastens (9) quer zum Drehgestellrahmen überträgt.Bogie according to claim 3,
characterized by
that the linkage (8) transmits the relative movements of the car body (9) transversely to the bogie frame. Drehgestell nach Anspruch 4,
dadurch gekennzeichnet,
daß Gestänge (8) und Ventilcharakteristik einen einstellbaren Totweg ermöglichen.Bogie according to claim 4,
characterized by
that linkage (8) and valve characteristics allow an adjustable dead travel. Drehgestell nach Anspruch 1,
dadurch gekennzeichnet,
daß die Zusatzvolumina (6, 7) in zuschaltbaren Druckbehältern angeordnet sind.Bogie according to claim 1,
characterized by
that the additional volumes (6, 7) are arranged in switchable pressure vessels. Drehgestell nach Anspruch 1,
dadurch gekennzeichnet,
daß die Zusatzvolumina (6, 7) in zuschaltbaren Hohlräumen im Wagenkasten oder im Drehgestell angeordnet sind.Bogie according to claim 1,
characterized by
that the additional volumes (6, 7) are arranged in switchable cavities in the car body or in the bogie.
EP93106901A 1992-04-30 1993-04-28 Railway vehicle with bogies Expired - Lifetime EP0568043B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4214063 1992-04-30
DE4214063 1992-04-30

Publications (2)

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EP0568043A1 true EP0568043A1 (en) 1993-11-03
EP0568043B1 EP0568043B1 (en) 1996-04-10

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EP93106901A Expired - Lifetime EP0568043B1 (en) 1992-04-30 1993-04-28 Railway vehicle with bogies

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AT (1) ATE136510T1 (en)
DE (1) DE59302145D1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1023216A1 (en) * 1997-10-07 2000-08-02 Buckeye Steel Company Railway truck leveling valve arrangement for closer overall height control
EP2724912A1 (en) 2012-10-24 2014-04-30 Bombardier Transportation GmbH Railway vehicle suspension provided with roll stiffness control means

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015112012B3 (en) 2015-07-23 2016-12-01 Bombardier Transportation Gmbh Air spring arrangement for rail vehicle and rail vehicle with air spring arrangement
DE102015112015B3 (en) * 2015-07-23 2016-09-29 Bombardier Transportation Gmbh AIR SPRING ARRANGEMENT FOR RAIL VEHICLE AND RAIL VEHICLE WITH AIR SPRING ARRANGEMENT

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1509361A (en) * 1966-01-18 1968-01-12 Budd Co Combined pneumatic and mechanical spring suspension device for railway cars
DE1605083A1 (en) * 1967-12-15 1970-12-03 Knorr Bremse Gmbh Air suspension for vehicles, in particular rail vehicles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1509361A (en) * 1966-01-18 1968-01-12 Budd Co Combined pneumatic and mechanical spring suspension device for railway cars
DE1605083A1 (en) * 1967-12-15 1970-12-03 Knorr Bremse Gmbh Air suspension for vehicles, in particular rail vehicles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1023216A1 (en) * 1997-10-07 2000-08-02 Buckeye Steel Company Railway truck leveling valve arrangement for closer overall height control
EP1023216A4 (en) * 1997-10-07 2000-12-20 Buckeye Steel Company Railway truck leveling valve arrangement for closer overall height control
EP2724912A1 (en) 2012-10-24 2014-04-30 Bombardier Transportation GmbH Railway vehicle suspension provided with roll stiffness control means
WO2014064164A1 (en) 2012-10-24 2014-05-01 Bombardier Transportation Gmbh Railway vehicle suspension provided with roll stiffness control means
CN104755352A (en) * 2012-10-24 2015-07-01 庞巴迪运输有限公司 Railway vehicle suspension provided with roll stiffness control means

Also Published As

Publication number Publication date
EP0568043B1 (en) 1996-04-10
DE59302145D1 (en) 1996-05-15
ATE136510T1 (en) 1996-04-15

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