EP0695677B1 - Arrangement of a magnetic track brake at a single axle running gear - Google Patents

Arrangement of a magnetic track brake at a single axle running gear Download PDF

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Publication number
EP0695677B1
EP0695677B1 EP95112002A EP95112002A EP0695677B1 EP 0695677 B1 EP0695677 B1 EP 0695677B1 EP 95112002 A EP95112002 A EP 95112002A EP 95112002 A EP95112002 A EP 95112002A EP 0695677 B1 EP0695677 B1 EP 0695677B1
Authority
EP
European Patent Office
Prior art keywords
rail
running gear
brake
chassis
axle
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
EP95112002A
Other languages
German (de)
French (fr)
Other versions
EP0695677A2 (en
EP0695677A3 (en
Inventor
Hubert Müller
Claus-Georg Schoof
Lothar Hofmann
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.)
Siemens Duewag Schienenfahrzeuge GmbH
Original Assignee
Duewag AG
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 Duewag AG filed Critical Duewag AG
Publication of EP0695677A2 publication Critical patent/EP0695677A2/en
Publication of EP0695677A3 publication Critical patent/EP0695677A3/en
Application granted granted Critical
Publication of EP0695677B1 publication Critical patent/EP0695677B1/en
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

Definitions

  • the invention relates to a rail vehicle with a Single axle chassis, the chassis frame on the one hand over a primary suspension with the individual wheel axle of the chassis and on the other hand via a secondary suspension with the Car body of the rail vehicle is elastically connected, the chassis frame - especially when starting and Braking - the elasticity of these spring connections corresponding tilting movements around the center of the wheel axis can perform.
  • the chassis frame of the Single axle undercarriage and the wheel axle lead vertical Spring movements to each other. In addition to these vertical movements can due to the elasticity in the connection the chassis frame on the car body, especially when starting off and braking, tilting movements of the chassis frame occur.
  • the invention is accordingly based on the object to arrange a single-axle chassis with a magnetic rail brake that even with tilting movements of the chassis frame undesirable contact with the brake magnets of the magnetic rail brake safely avoided with the top edge of the rail will.
  • the Single-axle chassis equipped with a magnetic rail brake is, the brake magnets in their rest position each through a pneumatic cylinder connected to the chassis frame in an occurring vertical and tilting movements of the Height exceeding the chassis frame above the top edge of the rail are held.
  • DE-B-1 132 952 is a suspension device for Magnetic rail brakes on rail vehicles known a brake magnet through a lever linkage and a holding spring at a distance above the top edge of the rail is held. Lowering the brake magnet from the prescribed rest position in the operative position with the The top edge of the rail is activated by activating a pneumatic cylinder.
  • this DE-B cannot provide any information or suggestions for finding the solution according to claim 1 to convey.
  • the brake magnets of the magnetic rail brake only by venting the pneumatic cylinders and their own weight in their operative position with the top edge of the rail.
  • the chassis frame 1 of a single-axle chassis is not in illustrated way elastic with a wheel axle 7 and Car body of a rail vehicle connected.
  • the chassis frame 1 can correspond to the elasticities of this connection Tilting movements around the center of the wheel axis 7 perform in front or behind, with such tilting movements in front occur especially when starting and braking. Also are vertical spring movements between the chassis frame 1 and the wheel axis 7 possible.
  • the single-axle chassis is equipped with a magnetic rail brake equipped, the brake magnet 2 by a usual Track holders (not shown) in the transverse direction with each other are connected.
  • the brake magnets 2 are in their rest position each by a pneumatic cylinder 3 on one Console 8 of the chassis frame 1 hung, in a height above the top edge of the rail 6, which is greater than all vertical and tilting movements that occur while driving of the chassis frame 1. An unwanted touch of the Brake magnets 2 with the top edge of the rail 6 can thereby do not occur.
  • Relative movements between the magnetic rail brake and the chassis frame 1 are by carriers 4 limited with counterparts 5 of the chassis frame 1 interact.
  • the brake magnets 2 To activate the magnetic rail brake, the electrical Power on and the pneumatic cylinders 3 vented, the brake magnets 2 by their own weight get into the active position with the top edge of the rail 6 - without the pretension of one another Known spring to overcome magnetic rail brakes. The braking force of the brake magnet 2 is in contact with the Rail top edge 6 immediately exercised.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Body Structure For Vehicles (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Handcart (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The chassis (1) is elastically coupled both to the wheel axle (7) and the body of a rail vehicle. A pneumatic ram (3) is coupled to the chassis. It holds the magnets (2) of the rail brake, when they are in the rest position, at a distance above the rail top surface (6) greater than that for which the chassis tilts or moves in the vertical direction. The magnets can be lowered into the working position merely by gravity and by venting the compressed air from the ram. The brake can have dogs (4) working with mating components (5) on the chassis.

Description

Die Erfindung betrifft ein Schienenfahrzeug mit einem Einzelachsfahrwerk, dessen Fahrwerkrahmen einerseits über eine Primärfederung mit der einzelnen Radachse des Fahrwerkes und andererseits über eine Sekundärfederung mit dem Wagenkasten des Schienenfahrzeuges elastisch verbunden ist, wobei der Fahrwerkrahmen - insbesondere beim Anfahren und Bremsen - der Elastizität dieser federnden Verbindungen entsprechende Kippbewegungen um die Mitte der Radachse ausführen kann.The invention relates to a rail vehicle with a Single axle chassis, the chassis frame on the one hand over a primary suspension with the individual wheel axle of the chassis and on the other hand via a secondary suspension with the Car body of the rail vehicle is elastically connected, the chassis frame - especially when starting and Braking - the elasticity of these spring connections corresponding tilting movements around the center of the wheel axis can perform.

Ein Schienenfahrzeug mit den vorgenannten Merkmalen ist durch die Fachzeitschrift ETR 1994 Heft 1-2 Seite 61 Abschnitt 4.3 mit Bild 10 bekannt. Der Fahrwerkrahmen des Einzelachsfahrwerkes und die Radachse führen vertikale Federbewegungen zueinander aus. Neben diesen Vertikalbewegungen können aufgrund der Elastizitäten in der Anbindung des Fahrwerkrahmens am Wagenkasten, vor allem beim Anfahren und Bremsen, Kippbewegungen des Fahrwerkrahmens auftreten.A rail vehicle with the aforementioned features by the trade magazine ETR 1994 Issue 1-2 page 61 section 4.3 known with picture 10. The chassis frame of the Single axle undercarriage and the wheel axle lead vertical Spring movements to each other. In addition to these vertical movements can due to the elasticity in the connection the chassis frame on the car body, especially when starting off and braking, tilting movements of the chassis frame occur.

Der Erfindung liegt demgemäß die Aufgabe zugrunde, an einem Einzelachsfahrwerk eine Magnetschienenbremse derart anzuordnen, daß auch bei Kippbewegungen des Fahrwerkrahmens unerwünschte Berührungen der Bremsmagnete der Magnetschienenbremse mit der Schienenoberkante sicher vermieden werden.The invention is accordingly based on the object To arrange a single-axle chassis with a magnetic rail brake that even with tilting movements of the chassis frame undesirable contact with the brake magnets of the magnetic rail brake safely avoided with the top edge of the rail will.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Einzelachsfahrwerk mit einer Magnetschienenbremse ausgerüstet ist, deren Bremsmagnete in ihrer Ruhestellung jeweils durch einen am Fahrwerkrahmen angeschlossenen Pneumatikzylinder in einer auftretende Vertikal- und Kippbewegungen des Fahrwerkrahmens übersteigenden Höhe über der Schienenoberkante gehalten sind.This object is achieved in that the Single-axle chassis equipped with a magnetic rail brake is, the brake magnets in their rest position each through a pneumatic cylinder connected to the chassis frame in an occurring vertical and tilting movements of the Height exceeding the chassis frame above the top edge of the rail are held.

Durch die DE-B-1 132 952 ist eine Aufhängevorrichtung für Magnetschienenbremsen an Schienenfahrzeugen bekannt, bei der ein Bremsmagnet durch ein Hebelgestänge und eine Hochhaltefeder in einem Abstand oberhalb der Schienenoberkante gehalten wird. Das Absenken des Bremsmagneten aus der vorbeschriebenen Ruhestellung in die Wirkposition mit der Schienenoberkante erfolgt durch Aktivieren eines Pneumatikzylinders. Im Hinblick darauf, daß der DE-B-1 132 952 bezüglich eines Einzelachsfahrwerkes mit einem Fahrwerkrahmen, der Kippbewegungen ausführen kann, und einer an einem solchen Fahrwerkrahmen befestigten Magnetschienenbremse nichts zu entnehmen ist, vermag diese DE-B keine Hinweise oder Anregungen zum Auffinden der Lösung nach Patentanspruch 1 zu vermitteln. DE-B-1 132 952 is a suspension device for Magnetic rail brakes on rail vehicles known a brake magnet through a lever linkage and a holding spring at a distance above the top edge of the rail is held. Lowering the brake magnet from the prescribed rest position in the operative position with the The top edge of the rail is activated by activating a pneumatic cylinder. In view of the fact that DE-B-1 132 952 with respect to a single-axle chassis with a chassis frame, who can perform tilting movements, and one on one such a chassis frame attached magnetic rail brake nothing can be inferred, this DE-B cannot provide any information or suggestions for finding the solution according to claim 1 to convey.

Nach einer bevorzugten Ausführungsform der Erfindung gelangen die Bremsmagnete der Magnetschienenbremse lediglich durch Entlüften der Pneumatikzylinder und ihr Eigengewicht in ihre Wirkposition mit der Schienenoberkante.According to a preferred embodiment of the invention the brake magnets of the magnetic rail brake only by venting the pneumatic cylinders and their own weight in their operative position with the top edge of the rail.

Um Relativbewegungen zwischen der Magnetschienenbremse und dem Fahrwerkrahmen in Fahrtrichtung zu begrenzen, besteht eine weitere Ausgestaltung der Erfindung darin, daß die Magnetschienenbremse mit Gegenstücken des Fahrwerkrahmens zusammenwirkende Mitnehmer aufweist.To relative movements between the magnetic rail brake and to limit the chassis frame in the direction of travel a further embodiment of the invention in that the Magnetic rail brake with counterparts of the chassis frame cooperating driver.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung schematisch dargestellt und im folgenden näher beschrieben. Es zeigen

Fig. 1
die Anordnung einer Magnetschienenbremse an einem Einzelachsfahrwerk in der Ansicht von oben,
Fig. 2
den Schnitt nach der Linie A - A in Fig. 1.
An embodiment of the invention is shown schematically in the drawing and described in more detail below. Show it
Fig. 1
the arrangement of a magnetic rail brake on a single-axle chassis in the view from above,
Fig. 2
the section along the line A - A in Fig. 1st

Der Fahrwerkrahmen 1 eines Einzelachsfahrwerks ist in nicht dargestellter Weise elastisch mit einer Radachse 7 und einem Wagenkasten eines Schienenfahrzeuges verbunden. Der Fahrwerkrahmen 1 kann den Elastizitäten dieser Anbindung entsprechende Kippbewegungen um die Mitte der Radachse 7 nach vorne oder hinten ausführen, wobei solche Kippbewegungen vor allem beim Anfahren und Bremsen auftreten. Außerdem sind vertikale Federbewegungen zwischen dem Fahrwerkrahmen 1 und der Radachse 7 möglich.The chassis frame 1 of a single-axle chassis is not in illustrated way elastic with a wheel axle 7 and Car body of a rail vehicle connected. The chassis frame 1 can correspond to the elasticities of this connection Tilting movements around the center of the wheel axis 7 perform in front or behind, with such tilting movements in front occur especially when starting and braking. Also are vertical spring movements between the chassis frame 1 and the wheel axis 7 possible.

Das Einzelachsfahrwerk ist mit einer Magnetschienenbremse ausgerüstet, deren Bremsmagnete 2 durch einen üblichen Spurhalter (nicht dargestellt) in Querrichtung miteinander verbunden sind. Die Bremsmagnete 2 sind in ihrer Ruhestellung jeweils durch einen Pneumatikzylinder 3 an einer Konsole 8 des Fahrwerkrahmens 1 aufgehängt, und zwar in einer Höhe über der Schienenoberkante 6, die größer ist als alle im Fahrbetrieb auftretenden Vertikal- und Kippbewegungen des Fahrwerkrahmens 1. Eine ungewollte Berührung der Bremsmagnete 2 mit der Schienenoberkante 6 kann dadurch nicht vorkommen. Relativbewegungen zwischen der Magnetschienenbremse und dem Fahrwerkrahmen 1 werden durch Mitnehmer 4 begrenzt, die mit Gegenstücken 5 des Fahrwerkrahmens 1 zusammenwirken.The single-axle chassis is equipped with a magnetic rail brake equipped, the brake magnet 2 by a usual Track holders (not shown) in the transverse direction with each other are connected. The brake magnets 2 are in their rest position each by a pneumatic cylinder 3 on one Console 8 of the chassis frame 1 hung, in a height above the top edge of the rail 6, which is greater than all vertical and tilting movements that occur while driving of the chassis frame 1. An unwanted touch of the Brake magnets 2 with the top edge of the rail 6 can thereby do not occur. Relative movements between the magnetic rail brake and the chassis frame 1 are by carriers 4 limited with counterparts 5 of the chassis frame 1 interact.

Zum Aktivieren der Magnetschienenbremse werden der elektrische Strom eingeschaltet und die Pneumatikzylinder 3 entlüftet, wobei die Bremsmagnete 2 durch ihr Eigengewicht in die Wirkposition mit der Schienenoberkante 6 gelangen - ohne dabei die Vorspannkraft einer bei anderen Magnetschienenbemsen bekannten Feder überwinden zu müssen. Die Bremskraft der Bremsmagnete 2 wird bei Berührung mit der Schienenoberkante 6 sofort ausgeübt. To activate the magnetic rail brake, the electrical Power on and the pneumatic cylinders 3 vented, the brake magnets 2 by their own weight get into the active position with the top edge of the rail 6 - without the pretension of one another Known spring to overcome magnetic rail brakes. The braking force of the brake magnet 2 is in contact with the Rail top edge 6 immediately exercised.

Liste der BezugszeichenList of reference numbers

11
FahrwerkrahmenChassis & frame
22nd
BremsmagnetBrake magnet
33rd
PneumatikzylinderPneumatic cylinder
44th
MitnehmerCarrier
55
GegenstückCounterpart
66
SchienenoberkanteTop edge of rail
77
RadachseWheel axle
88th
Konsoleconsole

Claims (3)

  1. A rail vehicle with single-axle running gear, the underframe (1) of which is resiliently connected at one end to the single wheel axle (7) of the running gear via primary suspension, and at the other end to the body of the rail vehicle via secondary suspension, wherein the underframe (1) in particular during starting and braking, can execute tilting movements about the centre of the wheel axle (7) in accordance with the resilience of these spring connections, characterised in that the single-axle running gear is provided with a magnetic rail brake, the braking magnets (2) of which are each held in their rest position by a pneumatic cylinder (3), connected to the underframe (1), at a height above the upper edge (6) of the rail exceeding vertical and tilting movements of the underframe (1).
  2. A rail vehicle with single-axle running gear according to claim 1, characterised in that the braking magnets (2) of the magnetic rail brake move into their position of interaction with the upper edge (6) of the rail simply by evacuation of the pneumatic cylinders (3) and their own weight.
  3. A rail vehicle with single-axle running gear according to claim 1 or 2, characterised in that the magnetic rail brake has carriers (4) cooperating with counterparts (5) of the underframe (1).
EP95112002A 1994-08-06 1995-07-31 Arrangement of a magnetic track brake at a single axle running gear Expired - Lifetime EP0695677B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4427941 1994-08-06
DE4427941A DE4427941A1 (en) 1994-08-06 1994-08-06 Arrangement of a magnetic rail brake on a single axle chassis

Publications (3)

Publication Number Publication Date
EP0695677A2 EP0695677A2 (en) 1996-02-07
EP0695677A3 EP0695677A3 (en) 1996-07-10
EP0695677B1 true EP0695677B1 (en) 1998-12-30

Family

ID=6525122

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112002A Expired - Lifetime EP0695677B1 (en) 1994-08-06 1995-07-31 Arrangement of a magnetic track brake at a single axle running gear

Country Status (4)

Country Link
EP (1) EP0695677B1 (en)
AT (1) ATE175162T1 (en)
DE (2) DE4427941A1 (en)
ES (1) ES2126188T3 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE603922C (en) * 1934-10-10 Joresi M Mueller M Suspension of rail brake magnets
DE454628C (en) * 1927-01-16 1928-01-14 Mueller Maximilian Suspension of rail brake magnets
DE1132952B (en) * 1961-02-25 1962-07-12 Knorr Bremse Gmbh Suspension device for magnetic rail brakes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GERD MEYER: "Konzept und Ausführung eines Dieselleichttriebwagens", EISENBAHNTECHNISCHE RUNDSCHAU, vol. 43, no. 1-2, pages 55 - 62 *

Also Published As

Publication number Publication date
ATE175162T1 (en) 1999-01-15
EP0695677A2 (en) 1996-02-07
DE4427941A1 (en) 1996-02-08
EP0695677A3 (en) 1996-07-10
DE59504668D1 (en) 1999-02-11
ES2126188T3 (en) 1999-03-16

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