EP0542386A1 - Procédé et dispositif pour amortir les oscillations d'un véhicule ferroviaire - Google Patents

Procédé et dispositif pour amortir les oscillations d'un véhicule ferroviaire Download PDF

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Publication number
EP0542386A1
EP0542386A1 EP92250327A EP92250327A EP0542386A1 EP 0542386 A1 EP0542386 A1 EP 0542386A1 EP 92250327 A EP92250327 A EP 92250327A EP 92250327 A EP92250327 A EP 92250327A EP 0542386 A1 EP0542386 A1 EP 0542386A1
Authority
EP
European Patent Office
Prior art keywords
rail vehicle
cylinder
rail
pressure
piston
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
EP92250327A
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German (de)
English (en)
Other versions
EP0542386B1 (fr
Inventor
Mahmud Keschwari Rasti
Peter Saffe
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP0542386A1 publication Critical patent/EP0542386A1/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
    • B61F5/02—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
    • B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
    • B61F5/245—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes by active damping, i.e. with means to vary the damping characteristics in accordance with track or vehicle induced reactions, especially in high speed mode

Definitions

  • a device for damping rolling movements of vehicles is known (DE-OS 25 50 235), which consists of two dampers. Their opposite chambers are connected crosswise, while a third connection connects the storage rooms of both dampers.
  • the piston in a damper is connected to a piston rod which protrudes from a head piece and is provided there with a fastening device for attachment to a vehicle, which is located opposite and is carried by the lower head piece.
  • the known solution aims to counteract rolling movements occurring in the field of railways in connection with ever higher vehicle speeds.
  • a contemplated use of previous dampers that are designed to dampen the range of oscillation of the roll motion would, in the opinion, lead to an excessive increase in the hardness of the vehicle suspension. This would have a negative impact on the shock and Vibration movements of the vehicle exercised.
  • the invention specified in claim 1 addresses the problem of increasing the spring stiffness of the damping system in a wheel / rail system at low frequencies and reducing the spring stiffness at high frequencies, i.e. set the cheapest damping.
  • the system of passive shear force control is to be abandoned and replaced by a system of active shear force control.
  • control function can be matched with great certainty to the support function, with minimal energy consumption being required.
  • Another measure is that the pressure in the cylinder is regulated to a setpoint value calculated on the basis of a displacement signal and that energy is fed back into a memory when vibrations occur via the cylinder or the piston. This can save a great deal of energy and the print media source need not be amplified.
  • a program-controlled device be used to decide which of the circuit branches formed by valves is used to regulate the actual pressure. In this way, an advantageous presence of pressure medium in the cylinder in terms of energy and flow technology can advantageously be achieved.
  • Another improvement is that the program-controlled device increases or decreases the pressure level in order to influence the passive spring stiffness.
  • valve hysteresis in pressure control is compensated for by the feedback of the disturbance variable speed.
  • the device for damping vibrations between a rail vehicle structure and a rail chassis is based on a piston-cylinder drive unit which acts on both sides between the rail vehicle structure and the rail chassis.
  • Such a device consists of a control device connected to a pneumatic or hydraulic piston-cylinder system with a displacement measuring device assigned to the piston and a system of control and non-return valves assigned to the pressure chambers.
  • a control device connected to a pneumatic or hydraulic piston-cylinder system with a displacement measuring device assigned to the piston and a system of control and non-return valves assigned to the pressure chambers.
  • the device is further developed in that a memory associated with each pressure chamber in the cylinder is connected to the system of control and non-return valves. Both piston sides can thus be connected to a reservoir.
  • FIG. 1 A rail vehicle body 1 and rail chassis 2 of the rail vehicle are shown in FIG. 1. Both are supported for cushioning in the vertical direction X by means of inwardly inclined coil springs 3 and 4, the axes of which intersect far outside on a cone tip.
  • brackets 5 and 6 stabilizers 7 and 8, which consist of hydraulic dampers.
  • Wheel groups 10 and 11 oscillate back and forth between the rails of a track.
  • At least one pneumatic or hydraulic cylinder 12 is arranged between the rail vehicle body 1 and a rail chassis 2 and its end 12a is attached to a joint 13 on the rail chassis 2 via a bearing 2a. Accordingly, its piston rod 14 is fastened or mounted on the rail vehicle body 1 with a joint 14a.
  • On the rail chassis 2 there are also supports 15a and 15b with elastic stops 16a and 16b for a guide rod 17 which is arranged between the two and which is fastened to the rail vehicle body 1.
  • the system of active intervention in occurring vibrations uses a play of approx. + -30 mm between the guide rod 17 and the elastic stops 16a and 16b. Only when this play is exceeded does the active lateral force control intervene in the vibration behavior and takes over the further management of the rail vehicle body 1 relative to the rail chassis 2.
  • the piston 14a can be acted on on both sides in the cylinder 12, the pressures p1 and p2 being regulated as a function of driving conditions by setting lower driving stiffnesses according to the dynamics and the level of the active forces between the rail vehicle body and the rail chassis.
  • a length measuring device 18 is also provided with a displacement converter 19, the signals of which are input into a microprocessor 20, in which the signals of pressures p1 and p2 and further pressures p3 and p4 of a first pressure accumulator 21 and a second pressure accumulator 22 are also input.
  • the microprocessor 20 outputs the calculated values in the form of signals to control or continuous valves V1, V2, V3 and V4 or V5, which are connected as shown.
  • the pressure accumulators 21 and 22 are connected via check valves 23 and 24 and these to a pressure source 25.
  • the mode of operation of the device results from the flow master plan according to FIG. 4:
  • a path "s" from the length measuring device 18 and the path converter 19 is read into the microprocessor 20 from the pressures p1 and p2.
  • the setpoint is calculated, which is made available as a signal ramp. Accordingly, it is determined whether the target value is zero or greater than zero (cf. flow chart according to FIG. 4).
  • the pressures p1 and p2 are then calculated from the setpoints and actual values as paths in the corresponding pressure spaces and as signals to the valves V1 to V5 in a system with the pressure accumulators 21 and 22.
  • the pressure p1 or the pressure p2 is regulated to a setpoint value calculated on the basis of the displacement signal from the length measuring device 18 and that energy is fed back into a memory 21 or 22 via the cylinder 12 or the piston 14a when vibrations occur .
  • FIG. 3 a doubled arrangement with sides interchanged for fastening two cylinders 12 is shown.
  • the piston rod 14 and the joint 14a are on the right, whereas the lower cylinder 12 is on the left.
  • the cylinder end 12a and the joint 13 on the left are in the lower cylinder 12 on the right side.
  • the supports 15a, 15b with the elastic stops 16a, 16b and the guide rod 17 (cut) are then visible between the two cylinders 12.
  • the invention can be implemented both with a piston-cylinder system or with several according to FIG. 3 and also with more than two piston-cylinder systems depending on the masses to be damped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Prevention Devices (AREA)
EP92250327A 1991-11-11 1992-11-09 Procédé et dispositif pour amortir les oscillations d'un véhicule ferroviaire Expired - Lifetime EP0542386B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4137869A DE4137869C1 (fr) 1991-11-11 1991-11-11
DE4137869 1991-11-11

Publications (2)

Publication Number Publication Date
EP0542386A1 true EP0542386A1 (fr) 1993-05-19
EP0542386B1 EP0542386B1 (fr) 1999-01-13

Family

ID=6445032

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92250327A Expired - Lifetime EP0542386B1 (fr) 1991-11-11 1992-11-09 Procédé et dispositif pour amortir les oscillations d'un véhicule ferroviaire

Country Status (3)

Country Link
EP (1) EP0542386B1 (fr)
AT (1) ATE175635T1 (fr)
DE (1) DE4137869C1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034455A1 (fr) * 1994-06-10 1995-12-21 Waggonfabrik Talbot Gmbh & Co. Kg Suspension transversale pour vehicule sur rails et procede de reglage de la position d'une caisse de wagon de vehicule sur rails
DE19606364A1 (de) * 1995-05-06 1996-11-07 Deutsche Bahn Ag Abstützung der Fahrwerke und/oder Transportgefäße von Verkehrsfahrzeugen, vorzugsweise von Schienenfahrzeugen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436137A1 (de) * 1994-10-10 1996-04-11 Talbot Waggonfab Verfahren zum Steuern der Querverschiebung eines Schienenfahrzeugs gegenüber seinem Fahrwerk
DE19501136C2 (de) * 1995-01-05 2001-08-02 Knorr Bremse Mrp Systeme Fuer Verfahren und Einrichtung zur Dämpfung von Fahrschwingungen bei Fahrzeugen
DE19512437A1 (de) * 1995-04-03 1996-10-10 Rexroth Mannesmann Gmbh Einrichtung zur Kompensation der auf ein Schienenfahrzeug wirkenden Querkraft
DE19806347C1 (de) * 1998-02-12 1999-07-15 Mannesmann Ag Vorrichtung zur aktiven Querzentrierung und Schwingungsdämpfung bei Schienenfahrzeugen (AQZ-Zylinder)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176162A (en) * 1985-05-31 1986-12-17 Hitachi Ltd Apparatus for controlling vibration of vehicle
EP0219663A1 (fr) * 1985-10-19 1987-04-29 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Suspension active à ressorts, en particulier pour train à grande vitesse
FR2593455A1 (fr) * 1986-01-29 1987-07-31 Hitachi Ltd Dispositif de controle des vibrations pour vehicules.
EP0334412A1 (fr) * 1988-03-18 1989-09-27 So.C.I.Mi Societa Costruzioni Industriali Milano S.P.A. Dispositif pour compenser les contraintes dynamiques transmises par une surface de roulement à une caisse de véhicule, notamment ferroviaire
EP0344445A2 (fr) * 1988-05-28 1989-12-06 AEG Westinghouse Transport-Systeme GmbH Suspension pour véhicules
WO1989011991A1 (fr) * 1988-06-03 1989-12-14 Durand Charles Rene Procede et systeme d'amortissement des mouvements oscillatoires des vehicules ferroviaires
EP0390546A2 (fr) * 1989-03-31 1990-10-03 Hitachi, Ltd. Matériel roulant de chemin de fer
EP0466449A1 (fr) * 1990-07-09 1992-01-15 Gec Alsthom Limited Dispositifs amortisseurs

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550235A1 (de) * 1974-11-25 1976-06-10 Itt Ind Gmbh Deutsche Einrichtung zur daempfung der schlingerbewegung von fahrzeugen

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176162A (en) * 1985-05-31 1986-12-17 Hitachi Ltd Apparatus for controlling vibration of vehicle
EP0219663A1 (fr) * 1985-10-19 1987-04-29 Messerschmitt-Bölkow-Blohm Gesellschaft mit beschränkter Haftung Suspension active à ressorts, en particulier pour train à grande vitesse
FR2593455A1 (fr) * 1986-01-29 1987-07-31 Hitachi Ltd Dispositif de controle des vibrations pour vehicules.
EP0334412A1 (fr) * 1988-03-18 1989-09-27 So.C.I.Mi Societa Costruzioni Industriali Milano S.P.A. Dispositif pour compenser les contraintes dynamiques transmises par une surface de roulement à une caisse de véhicule, notamment ferroviaire
EP0344445A2 (fr) * 1988-05-28 1989-12-06 AEG Westinghouse Transport-Systeme GmbH Suspension pour véhicules
WO1989011991A1 (fr) * 1988-06-03 1989-12-14 Durand Charles Rene Procede et systeme d'amortissement des mouvements oscillatoires des vehicules ferroviaires
EP0390546A2 (fr) * 1989-03-31 1990-10-03 Hitachi, Ltd. Matériel roulant de chemin de fer
EP0466449A1 (fr) * 1990-07-09 1992-01-15 Gec Alsthom Limited Dispositifs amortisseurs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995034455A1 (fr) * 1994-06-10 1995-12-21 Waggonfabrik Talbot Gmbh & Co. Kg Suspension transversale pour vehicule sur rails et procede de reglage de la position d'une caisse de wagon de vehicule sur rails
DE19606364A1 (de) * 1995-05-06 1996-11-07 Deutsche Bahn Ag Abstützung der Fahrwerke und/oder Transportgefäße von Verkehrsfahrzeugen, vorzugsweise von Schienenfahrzeugen
DE19606364C2 (de) * 1995-05-06 1998-01-29 Deutsche Bahn Ag Modale Abstützung der Fahrwerke und/oder Transportgefäße von Verkehrsfahrzeugen,vorzugsweise Schienenfahrzeugen

Also Published As

Publication number Publication date
ATE175635T1 (de) 1999-01-15
EP0542386B1 (fr) 1999-01-13
DE4137869C1 (fr) 1993-04-01

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