EP1551683B1 - Magnetschienenbremse - Google Patents

Magnetschienenbremse Download PDF

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Publication number
EP1551683B1
EP1551683B1 EP03798929A EP03798929A EP1551683B1 EP 1551683 B1 EP1551683 B1 EP 1551683B1 EP 03798929 A EP03798929 A EP 03798929A EP 03798929 A EP03798929 A EP 03798929A EP 1551683 B1 EP1551683 B1 EP 1551683B1
Authority
EP
European Patent Office
Prior art keywords
magnet
arm
brake according
rail brake
magnetic rail
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.)
Expired - Lifetime
Application number
EP03798929A
Other languages
English (en)
French (fr)
Other versions
EP1551683A1 (de
Inventor
Guido Bieker
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.)
Alstom Transportation Germany GmbH
Original Assignee
Bombardier Transportation 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 Bombardier Transportation GmbH filed Critical Bombardier Transportation GmbH
Publication of EP1551683A1 publication Critical patent/EP1551683A1/de
Application granted granted Critical
Publication of EP1551683B1 publication Critical patent/EP1551683B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H7/00—Brakes with braking members co-operating with the track
    • B61H7/02—Scotch blocks, skids, or like track-engaging shoes
    • B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
    • B61H7/06—Skids
    • B61H7/08—Skids electromagnetically operated
    • B61H7/086—Suspensions therefor

Definitions

  • Modem rail vehicles may brake in a number of different ways including electrodynamic braking via the driving motor, eddy current braking via the rails, pneumatic or hydraulic braking acting on the wheels or axles and aerodynamic braking.
  • electrodynamic braking via the driving motor
  • eddy current braking via the rails pneumatic or hydraulic braking acting on the wheels or axles
  • aerodynamic braking Particularly in the case of trams or streetcars and other light rail vehicles, it is commonplace to use magnetic brake shoes which act directly on the rails.
  • Such devices generally comprise a magnet suspended from the bogie or vehicle frame a small distance above the track. The magnet is supported by springs causing it to be biased away from contact with the track. On actuation of the magnetic rail brake, the magnet is pulled down into contact with the rails against the restorative spring force. The frictional contact force between the magnet and the track provides the necessary braking force. This braking force is transmitted to the rail vehicle through interacting elements arranged on the magnet and on the bogie which allow the longitudinal braking force to be
  • the stop should limit horizontal motion of the arm and it is the lateral freedom of movement of the magnet in relation to the length of the arm which determines the maximum angle of tilt. If the arm extends generally horizontally, the stop should limit vertical motion of the arm and it is the vertical freedom of movement of the magnet in relation to the length of the arm which determines the maximum angle of tilt.
  • a guide means comprises a laterally sliding pivot arranged on the rail vehicle and a guide extension comprises the extension arm, rigidly attached to the magnet and extending laterally to the sliding pivot whereby the magnet and arm can rotate around the pivot and slide laterally with respect to the rail vehicle.
  • a guide extension comprises the extension arm, rigidly attached to the magnet and extending laterally to the sliding pivot whereby the magnet and arm can rotate around the pivot and slide laterally with respect to the rail vehicle.
  • Actuation means causes actuation of the electromagnet on receiving a braking signal from the driver.
  • the magnet On actuation, the magnet is attracted to the metal rail 4 with such a force that elongation of the springs 7 occurs and the spring is drawn down onto the rail. The attractive force between the magnet and the rail and the coefficient of friction between them determine the resulting braking force.
  • transmitting members 10 are rigidly mounted to the magnet. These transmitting members 10 interact with supporting members 12 rigidly attached to the bogie frame 1. In the device according to Figure 1 and as better disclosed in Figure 2, these supporting members 12 also serve to laterally support the magnet and guide it to follow the rail 4.
  • Figure 2 is a view along line 2-2 in Figure 1 and shows the magnet 5 supported between supporting members 12.
  • a gap between the magnet 5 and the supporting members 12 ensures a limited freedom of lateral movement whereby the magnet 5 can better align with the rail 4 on negotiating a curve or the like.
  • the gap has the maximum value g which represents the allowable lateral movement of the magnet.
  • Figure 2 also illustrates how the gap g also allows the magnet to tilt to adapt to the upper surface of the rail but how this tilting can also lead to snagging and over-tilting when braking during negotiating of points or crossing of other rails.
  • the counterstop 26 may be provided on the bogie frame 1 or any other suitable part of the vehicle body which serves as a fixed reference to determine and limit the tilting of the magnet.
  • the stop is located at an outboard region of the train and does not therefore impinge on the limited space in the region between the wheels as is the case when a cross member is used.
  • FIGS. 4 and 5 illustrates a second embodiment of the present invention in which details of the suspension of the magnet 5 have been omitted for clarity.
  • the arm 20 is provided with an adjustable stop surface in the form of a set screw 28. By adjusting the set screw 28, the point at which the set screw 28 contacts the counterstop 26 may be adjusted. It is noted, that it is possible to set the distance between the set screw 28 and the counterstop 26 to less than the height h.
  • Figure 6 illustrates a third embodiment of the present invention which uses a second set screw 30 and a second counterstop 32 to limit tilting in the clockwise direction too. It is noted that while the adjustment according to these embodiments utilises set screws attached to the arm, it is equally possible to use set screws mounted as part of the counterstop. Equally, the skilled person will be well aware of many variations for the arrangement of the counterstops to achieve the desired effect.
  • the second counterstop 32 may be adjustably mounted from the first counterstop 26 by further set screws, with the arm 20 and first set screw 28 captured in between.
  • the magnet 5 is provided with an arm 60 extending laterally in a similar way to earlier embodiments. Unlike the earlier embodiments however, the end of the arm 60 is provided with a slot 62 in which slides a pin 64 located on the bogie frame 1 or other fixed reference point, to form a sliding pivot.
  • the slot 62 allows the pin 64 to move laterally a distance g and thus serves the function of the supporting means 12, which in this embodiment are no longer required for lateral guiding.
  • the whole arm 60 and magnet 5 may thus pivot about the pin 64 from a vertical position of the magnet when in engagement with the rail 1 to a slightly tilted position once raised.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Braking Arrangements (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Claims (19)

  1. Magnetschienenbremse (3) für ein Schienenfahrzeug, umfassend : einen Magneten (5), der vom Schienenfahrzeug gehalten wird, eine Führungsbaugruppe, um den Magneten bei einer Bewegung in einer im Wesentlichen vertikalen Ebene zu führen, während begrenzte laterale Bewegung zugelassen wird, und einen Auslegerarm (20, 40, 60), wobei der Auslegerarm so angeordnet ist, dass er das Schienenfahrzeug in einem Abstand von dem Magneten berührt, der im Wesentlichen größer als entweder die maximale Reichweite der vertikalen Bewegung oder die maximale Reichweite der lateralen Bewegung des Magneten ist, um somit die Neigung des Magneten zu reduzieren, dadurch gekennzeichnet, dass der Auslegerarm (20, 40, 60) starr an dem Magneten (5) befestigt ist und sich allgemein von diesem erstreckt.
  2. Magnetschienenbremse nach Anspruch 1, wobei der Arm eine erste Anschlagfläche (24, 42) zum Wechselwirken mit dem Schienenfahrzeug umfasst, um die Neigung des Magneten in eine erste Richtung zu verhindern.
  3. Magnetschienenbremse nach Anspruch 2, wobei der Arm eine zweite Anschlagfläche (44) zum Wechselwirken mit dem Schienenfahrzeug umfasst, um die Neigung des Magneten in eine zweite Richtung entgegengesetzt zu der ersten Richtung zu verhindern.
  4. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei sich der Arm (20) von der Mittellinie des Zuges weg lateral nach außen erstreckt.
  5. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei sich der Arm (40) allgemein vertikal erstreckt.
  6. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei der Arm zwei Seitenarme (50, 52) umfasst, die sich in verschiedene Richtungen erstrecken.
  7. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei der Arm verstellbare Anschlagmittel (28, 30) umfasst.
  8. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei das Schienenfahrzeug mit einstellbaren Gegenanschlagmitteln (46, 48) versehen ist.
  9. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, die ferner ein Antriebsgerät umfasst, welches bewirkt, dass der Magnet zur Schiene hingezogen wird.
  10. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, die ferner ein Neigungsdetektionsgerät umfasst, welches dafür eingerichtet ist, die Betätigung des Antriebsgeräts bei Neigung des Magneten um mehr als einen vorgegebenen Winkel verhindern.
  11. Magnetschienenbremse nach Anspruch 1, die ferner mit einem Führungsmittel versehen ist, welches einen sich lateral verschiebenden Drehzapfen (64) umfasst, der an dem Schienenfahrzeug angeordnet ist, wobei sich der Auslegerarm (60) lateral zu dem sich verschiebenden Drehzapfen erstreckt, wobei der Magnet und der Arm um den Drehzapfen rotieren und sich seitlich gegenüber dem Schienenfahrzeug verschieben können.
  12. Magnetschienenbremse nach Anspruch 11, wobei der sich lateral verschiebende Drehzapfen einen mit Profil versehenen Schlitz (62) umfasst.
  13. Magnetschienenbremse nach Anspruch 1, die ferner mit einem Führungsmittel versehen ist, welches einen Drehzapfen umfasst, der an dem Scheinenfahrzeug angeordnet ist, wobei sich der streckbare Arm (60) lateral zu dem Drehzapfen erstreckt, wobei der Magnet und der Arm um den Drehzapfen rotieren können und sich der streckbare Arm so erstrecken kann, dass er die laterale Bewegung des Magneten gegenüber dem Schienenfahrzeug zulässt.
  14. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei der Magnet so eingeschränkt ist, dass er sich um nicht mehr als 6° in jede Richtung neigt.
  15. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei der Magnet so eingeschränkt ist, dass er sich um nicht mehr als 3° in jede Richtung neigt.
  16. Magnetschienenbremse nach einem der vorhergehenden Ansprüche, wobei das Aufhängungsmittel eine Druck- oder Spannfeder umfasst.
  17. Magnetschienenbremse nach einem der Ansprüche 1 bis 12, wobei das Aufhängungsmittel ein Antriebsgerät umfasst.
  18. Verfahren zum Steuern der maximal zulässigen Neigung eines Magneten in einer Magnetschienenbremse, wobei der Magnet für vertikale und laterale Bewegung angeordnet ist, welches das starre Befestigen eines Auslegerarms an dem Magneten und das Steuern der Bewegung des Endes des Auslegerarms in einem Abstand von dem Magneten umfasst, wobei die Länge des Auslegerarms im Wesentlichen größer als entweder die maximale Reichweite der vertikalen Bewegung oder die maximale Reichweite der lateralen Bewegung des Magneten ist, um somit die Neigung des Magneten zu steuern.
  19. Verfahren nach Anspruch 18, das eine Magnetschienenbremse nach einem der Ansprüche 1 bis 17 umfasst.
EP03798929A 2002-10-07 2003-10-03 Magnetschienenbremse Expired - Lifetime EP1551683B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0223196.7A GB0223196D0 (en) 2002-10-07 2002-10-07 Magnetic rail vehicle
GB0223196 2002-10-07
PCT/EP2003/010990 WO2004031015A1 (en) 2002-10-07 2003-10-03 Magnetic rail brake

Publications (2)

Publication Number Publication Date
EP1551683A1 EP1551683A1 (de) 2005-07-13
EP1551683B1 true EP1551683B1 (de) 2006-11-29

Family

ID=9945412

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03798929A Expired - Lifetime EP1551683B1 (de) 2002-10-07 2003-10-03 Magnetschienenbremse

Country Status (10)

Country Link
US (1) US20060060434A1 (de)
EP (1) EP1551683B1 (de)
AT (1) ATE346782T1 (de)
AU (1) AU2003276046A1 (de)
BR (1) BR0315093A (de)
CA (1) CA2501216A1 (de)
DE (1) DE60310112T2 (de)
GB (1) GB0223196D0 (de)
PL (1) PL375056A1 (de)
WO (1) WO2004031015A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2469893C1 (ru) * 2011-06-15 2012-12-20 Николай Иванович Кузин Электростатический рельсовый тормоз
DE102011078692A1 (de) 2011-07-05 2013-01-10 Siemens Ag Gleisbremse mit zumindest einem vertikal beweglichen Bremselement sowie Verfahren zum Ermitteln der jeweiligen Lage desselben
CN102967474B (zh) * 2012-11-05 2015-10-07 中国科学院力学研究所 一种高速列车模型实验平台

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE761140C (de) * 1937-07-11 1952-12-15 Aeg Hubvorrichtung fuer Schienenbremsen
BE437261A (de) * 1938-12-08
CH265088A (de) * 1947-03-07 1949-11-15 Sikke Koldyk Sybe Elektromagnetische Schienenbremse mit Spurhalter.
DE899511C (de) * 1951-02-22 1953-12-14 Robert Hanning Spurhalter fuer elektromagnetische Schienenbremsen
FR1540461A (fr) 1967-08-11 1968-09-27 Creusot Forges Ateliers Dispositif de suspension pendulaire des patins de frein magnétique sur rails, pour bogies de véhicules ferroviaires
DE2315948A1 (de) * 1973-03-30 1974-10-10 Maschf Augsburg Nuernberg Ag Vorrichtung zur seitenfuehrung von radsaetzen von schienenfahrzeugen
DD112235A5 (de) * 1973-07-20 1975-04-05
DE2443832A1 (de) * 1974-09-13 1976-03-25 Knorr Bremse Gmbh Aufhaengevorrichtung fuer schienenbremsmagnete
DE4140056C2 (de) 1991-12-02 1996-01-11 Aeg Schienenfahrzeuge Parallelführung für die Schienenbremsmagnete einer in den Drehgestellen von Schienenfahrzeugen angeordneten Magnetschienenbremseinheit

Also Published As

Publication number Publication date
US20060060434A1 (en) 2006-03-23
PL375056A1 (en) 2005-11-14
CA2501216A1 (en) 2005-04-15
WO2004031015A1 (en) 2004-04-15
BR0315093A (pt) 2005-08-16
AU2003276046A1 (en) 2004-04-23
DE60310112T2 (de) 2007-06-28
GB0223196D0 (en) 2002-11-13
ATE346782T1 (de) 2006-12-15
EP1551683A1 (de) 2005-07-13
DE60310112D1 (de) 2007-01-11

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