EP2065286B1 - Véhicule ferroviaire et procédé destiné au couplage des bogies d'un véhicule ferroviaire - Google Patents

Véhicule ferroviaire et procédé destiné au couplage des bogies d'un véhicule ferroviaire Download PDF

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Publication number
EP2065286B1
EP2065286B1 EP20080019854 EP08019854A EP2065286B1 EP 2065286 B1 EP2065286 B1 EP 2065286B1 EP 20080019854 EP20080019854 EP 20080019854 EP 08019854 A EP08019854 A EP 08019854A EP 2065286 B1 EP2065286 B1 EP 2065286B1
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EP
European Patent Office
Prior art keywords
hydraulic
bogies
rail vehicle
accordance
coupling
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.)
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Application number
EP20080019854
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German (de)
English (en)
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EP2065286A1 (fr
Inventor
Anton Gaile
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.)
Liebherr Aerospace Lindenberg GmbH
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Liebherr Aerospace Lindenberg GmbH
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Publication of EP2065286A1 publication Critical patent/EP2065286A1/fr
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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
    • B61F5/386—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 present invention relates to a rail vehicle with at least two bogies according to the preamble of claim 1 and to a method for coupling bogies of a rail vehicle according to the preamble of claim 11.
  • a rail vehicle for mass transit which consists of at least 3 articulated car bodies.
  • Each car body has in each case a chassis, which are set, for example via a hydraulic control system in relation.
  • the DE 196 54 862 A1 also relates to a rail vehicle for mass transit with several interconnected car bodies.
  • Each car body has in each case a chassis, wherein hydraulic actuators are provided for the rotation of the car body relative to the bogie.
  • a rail vehicle for mass transit having a plurality of articulated interconnected, each rotatably supported on an associated chassis in the horizontal direction car bodies and a hydraulic sequence control of the deflection of the car bodies in response to the tracking.
  • the DE 43 43 608 A1 discloses a hydraulic arrangement of the radial self-control and coupling of the wheelsets of a bogie.
  • the DE 25 53 310 A1 discloses a device for the hydraulic coupling of two non-rotatable bogies or bogies of a rail vehicle, are regulated in the amount and pressure of the hydraulic fluid within the lines by means of control valves and a feed pump.
  • the advantage of the hydraulic coupling is that it is preferably a completely passive system. Therefore, no sensor, active control or monitoring is absolutely necessary. It can also be mounted easily and safely and has reliable and robust operating characteristics. As a result of the hydraulic coupling, the respective bogies can thus be turned counter to one another, so that a very good reduction in the quasi-static wheel transverse forces in the wheel-rail contact is achieved. Only by the hydraulic coupling already vibrations due to the inertia of the hydraulic medium are damped and it is possible to filter out disturbing relative movements.
  • connection is thus made such that a turn to the right on a bogie leads to a left turn on the other bogie. This results in a coupling of the turnout angle of both bogies relative to the locomotive body or locomotive frame.
  • a hydraulic bias of the hydraulic means can be achieved.
  • the storage unit can be used for filling and / or refilling the system.
  • the maximum pressure in the coupling system can be limited by the storage unit.
  • the hydraulic bias includes nitrogen as a hydraulic medium. Due to its inert properties, nitrogen is well suited for hydraulic prestressing. It is advantageous if the hydraulic preload is 18 bar. At this pressure, a sufficient bias can be achieved.
  • the two bogies rotate in opposite directions.
  • the method of the two cylinders can be matched to each other, while the necessary method of the cylinder can also be determined solely by which deflection the first cylinder experiences by entering the curve.
  • the hydraulic means comprise at least one line connecting the bogies.
  • advantageous arrangements are conceivable in which when entering the first bogie in the curve in the first Hydraulic cylinder hydraulic medium is displaced such that via the connecting line of the second hydraulic cylinder is actuated such that the second bogie is rotated in opposite directions to the first bogie by the second hydraulic cylinder.
  • the hydraulic cylinders communicating via the connecting line thus do not require any further control since the necessary deflection already results from the deflection of the first hydraulic cylinder as a result of the curve passage.
  • a further embodiment consists in that the coupled bogies each have at least two actuating cylinders interconnected crosswise.
  • the coupled bogies each have at least two actuating cylinders interconnected crosswise.
  • the hydraulic means may have at least one pressure relief valve for overload protection. This makes it possible to limit the maximum transmission forces of the coupled bogies.
  • the pressure limiting valve By the pressure limiting valve, the differential pressure between the two piston surfaces is limited within the actuating cylinder, which is why their set pressure is directly proportional to the actuating force of the actuating cylinder.
  • load peaks can be better absorbed, which in turn has a positive effect on the life of the entire system.
  • the hydraulic means of the track-guided vehicle or of the rail vehicle have at least one buffer cylinder.
  • it can be set, for example, that smaller deflections of an actuating cylinder have no influence and forces are to be transmitted only when a threshold value is exceeded.
  • the transmission behavior of the coupling system can thus be adjusted by the buffer cylinder with regard to its transmission stiffness.
  • a defined force is adjustable, which remains under influence up to this force, the buffer cylinder without influence and the transmission stiffness of the hydraulic means is reduced when this force is exceeded.
  • a defined force is adjustable, by means of the at least one buffer cylinder a defined force is adjustable, already below this force reduces the transmission stiffness of the hydraulic means by means of several force thresholds and / or a multi-stage spring characteristic becomes.
  • the hydraulic means have at least one rolling damper. Basically, there is an oscillating Auswindterrorism by the wheel-rail contact, not by the Coupling the bogies is caused. Due to the roll damper function locomotives are able to dampen oscillating boring movements of the bogies in straight ahead driving. Thus, instabilities can be counteracted and the overall driving behavior can be improved.
  • the rolling damper is carried out by additional valves in the at least one line connecting the actuating cylinder. This has the consequence that in a vehicle that already has rolling-damper, the constructive or installation cost for retrofitting or production of the coupling system according to the invention is low.
  • the hydraulic means comprise oil as a hydraulic medium.
  • Oil uses a fluid as a hydraulic medium, which has low compressibility, low temperature influence on viscosity, good compatibility with seals, good lubricating properties, high aging resistance and a high flash point.
  • the hydraulic means comprise nitrogen as a hydraulic medium.
  • the hydraulic coupling of the bogies can be provided as a hydraulic medium oil.
  • the invention relates to a method having the features of claim 11. Thereafter, it is provided bogies of a rail vehicle according to one of claims 1 to 10 to couple hydraulically.
  • the method has the feature that by means of a storage unit operated with nitrogen, the oil-operated coupling of the bogies is biased.
  • FIG. 1 schematically shows a hydraulic bogie coupling 10 according to the invention for a multi-function locomotive that can be used both in goods and in long-distance passenger transport.
  • the multi-function locomotive has two biaxial bogies 12, which are each rotatably mounted on the frame of the multi-function locomotive, not shown.
  • the hydraulic bogie coupling 10 can be biased.
  • the storage unit 40 operates with nitrogen and a bias pressure of 18 bar without oil at 20 ° C.
  • the pressure is delivered via pistons to the oil-filled lines 34.
  • the differential pressure between the two piston surfaces can be limited within the actuating cylinder 20.
  • a damping cylinder 60 is provided, which is also interposed as the pressure relief valve 50 in the connecting lines 32 and the function satisfies a buffer cylinder.
  • the damping cylinder 60 can be adjusted so that the transmission stiffness is reduced only after reaching a presettable and changeable force threshold. Before, the damping cylinder 60 has no influence on the transmission behavior.
  • the set pressure is 145 bar, which corresponds to a force threshold of 30 kN.
  • FIG. 2 the characteristic of the damping cylinder 60 is shown. At the axis designated x while the angular difference in Auswindwinkel between two bogies 12 of the hydraulic bogie coupling 10 of the invention for a multi-function locomotive is offered. At the axis designated y, the passive force is applied in the coupling.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (12)

  1. Véhicule ferroviaire avec au moins deux boggies (12), des moyens hydrauliques étant présents, à l'aide desquels au moins les deux boggies extérieurs (12) sont couplés hydrauliquement, à savoir de sorte que, en cas de rotation vers l'extérieur du premier boggie extérieur (12) par rapport au cadre du véhicule, le deuxième boggie extérieur (12) fait rotation vers l'extérieur en sens contraire par rapport au premier boggie (12),
    caractérisé en ce que,
    au moyen d'une unité de stockage (40) une prétension hydraulique des moyens hydrauliques est atteignable, la prétension hydraulique contenant de l'azote comme milieu hydraulique.
  2. Véhicule ferroviaire selon la revendication 1, caractérisé en ce que les moyens hydrauliques comportent des cylindres hydrauliques (20), qui sont apposés respectivement sur les boggies (12), et/ou en ce que les moyens hydrauliques comprennent au moins une conduite (30) connectant les boggies (12).
  3. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que les boggies accouplés (12) présentent respectivement au moins deux cylindres de réglage (20) reliés en croix l'un avec l'autre.
  4. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que les moyens hydrauliques présentent au moins une soupape de limitation de la pression (50) pour la protection contre la surcharge.
  5. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que les moyens hydrauliques présentent au moins un cylindre tampon (60), une force définie étant réglable de préférence au moyen d'au moins l'un des cylindres tampons (60), le cylindre tampon (60) restant sans influence en cas d'action jusqu'à cette force et en cas de dépassement de cette force, la rigidité de transmission des moyens hydrauliques étant réduite, ou une force définie étant réglable de préférence au moyen d'au moins l'un des cylindres tampons (60), la rigidité de transmission des moyens hydrauliques étant déjà réduite au-dessous de cette force au moyen de plusieurs seuils de force et/ou d'une courbe caractéristique des ressorts à plusieurs niveaux.
  6. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que les moyens hydrauliques présentent au moins un amortisseur de vibrations, l'amortisseur de vibrations étant formé de préférence par des vannes supplémentaires dans la conduite (30) connectant au moins un des cylindres de réglage.
  7. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que les moyens hydrauliques comportent de l'huile comme milieu hydraulique.
  8. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que les moyens hydrauliques comportent de l'azote comme milieu hydraulique.
  9. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que le couplage hydraulique des boggies (12) contient de l'huile comme milieu hydraulique.
  10. Véhicule ferroviaire selon une quelconque des revendications précédentes, caractérisé en ce que la prétension hydraulique se trouve entre 15 à 25 bars, de préférence à 18 bars.
  11. Procédé de couplage de boggies d'un véhicule ferroviaire selon une quelconque des revendications 1 à 10, caractérisé en ce que les boggies (12) sont couplés hydrauliquement et au moyen d'une unité de stockage (40) fonctionnant avec de l'azote, le couplage fonctionnant à l'huile des boggies (12) est prétendu.
  12. Procédé de couplage de boggies selon la revendication 11, caractérisé en ce que, au moyen d'une fonction d'amortisseur de vibrations, les mouvements de rotation vers l'extérieur oscillant des boggies (12) sont amortis.
EP20080019854 2007-11-28 2008-11-13 Véhicule ferroviaire et procédé destiné au couplage des bogies d'un véhicule ferroviaire Active EP2065286B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710057155 DE102007057155A1 (de) 2007-11-28 2007-11-28 Schienenfahrzeug sowie Verfahren zur Kopplung von Drehgestellen eines Schienenfahrzeuges

Publications (2)

Publication Number Publication Date
EP2065286A1 EP2065286A1 (fr) 2009-06-03
EP2065286B1 true EP2065286B1 (fr) 2012-08-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080019854 Active EP2065286B1 (fr) 2007-11-28 2008-11-13 Véhicule ferroviaire et procédé destiné au couplage des bogies d'un véhicule ferroviaire

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Country Link
EP (1) EP2065286B1 (fr)
DE (1) DE102007057155A1 (fr)
ES (1) ES2388221T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2353895A1 (fr) * 2010-02-01 2011-08-10 Stadler Bussnang AG Chassis pour un véhicule
GB2542639A (en) 2015-09-28 2017-03-29 Bombardier Transp Gmbh Running gear provided with a passive hydraulic wheel set steering system for a rail vehicle
CN106828528A (zh) * 2017-01-03 2017-06-13 株洲九方装备股份有限公司 一种城际轨道车辆车身抗折弯控制方法及装置
CN113460107B (zh) * 2021-06-08 2022-06-24 合肥工业大学 一种轨道车辆用抗侧倾液压互联系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2553310C3 (de) 1975-11-27 1980-01-10 Mak Maschinenbau Gmbh, 2300 Kiel Vorrichtung zur Kopplung der Ausdrehbewegung zweier Laufwerke von Schienenfahrzeugen
CH626300A5 (fr) 1978-03-09 1981-11-13 Schweizerische Lokomotiv
GB2067962B (en) 1980-01-12 1983-06-22 Macdonald J F S Controlling rotation of rail vehicle bogies
DE4343608C2 (de) 1993-12-16 1995-10-12 Rexroth Mannesmann Gmbh Anordnung zur Übertragung von Bewegungen und Kräften zwischen Bauteilen insbesondere von Schienenfahrzeugen
DE19654862C2 (de) 1996-12-04 1999-11-04 Abb Daimler Benz Transp Verfahren zur Beeinflussung des Knickwinkels von Schienenfahrzeug-Wagenkästen und Schienenfahrzeug zur Durchführung des Verfahrens
DE19936564A1 (de) 1999-08-04 2001-02-08 Liebherr Aerospace Gmbh Spurgeführtes Fahrzeug, insbesondere Schienenfahrzeug für den Nahverkehr
DE10012966A1 (de) 2000-03-16 2001-10-04 Liebherr Aerospace Gmbh Spurgeführtes Fahrzeug mit hydraulischer Folgesteuerung und integrierter Schlingerdämpfung

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Publication number Publication date
ES2388221T3 (es) 2012-10-10
EP2065286A1 (fr) 2009-06-03
DE102007057155A1 (de) 2009-06-04

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