EP0724997B1 - Suspension of a track brake, especially an eddy current brake on a bagie of a rail vehicle - Google Patents

Suspension of a track brake, especially an eddy current brake on a bagie of a rail vehicle Download PDF

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Publication number
EP0724997B1
EP0724997B1 EP95119534A EP95119534A EP0724997B1 EP 0724997 B1 EP0724997 B1 EP 0724997B1 EP 95119534 A EP95119534 A EP 95119534A EP 95119534 A EP95119534 A EP 95119534A EP 0724997 B1 EP0724997 B1 EP 0724997B1
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EP
European Patent Office
Prior art keywords
brake
suspension according
brake carrier
arms
pendulum
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
EP95119534A
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German (de)
French (fr)
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EP0724997A1 (en
Inventor
Thomas Graf
Albert Kerscher
Marc Dr. Elstorpff
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.)
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
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Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
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Publication date
Priority claimed from DE19530405A external-priority patent/DE19530405A1/en
Application filed by Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Publication of EP0724997A1 publication Critical patent/EP0724997A1/en
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Publication of EP0724997B1 publication Critical patent/EP0724997B1/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61HBRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H7/00Brakes with braking members co-operating with the track
    • B61H7/02Scotch blocks, skids, or like track-engaging shoes
    • B61H7/04Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
    • B61H7/06Skids
    • B61H7/08Skids electromagnetically operated
    • B61H7/083Skids electromagnetically operated working with eddy currents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61HBRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H7/00Brakes with braking members co-operating with the track
    • B61H7/02Scotch blocks, skids, or like track-engaging shoes
    • B61H7/04Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
    • B61H7/06Skids
    • B61H7/08Skids electromagnetically operated
    • B61H7/086Suspensions therefor

Definitions

  • the invention relates to a suspension according to the preamble of the claim 1.
  • eddy current brakes of the generic type (DE-OS 26 14 298) is on the bogie frame on both sides of a bogie one each Actuating cylinder formed lifting device for the below the bogie frame brake carrier located on both sides of the wheelsets of the Rail vehicle provided.
  • the brake carriers bear on their underside Brake magnets, which are lowered with the help of the brake carrier Braking position with a small and as constant as possible distance to the surface the rail and released, raised position are shiftable.
  • the front ends of the brake carrier extending parallel to the rails are in guides rigidly attached to the wheel or axle bearings supported.
  • the object of the invention is a suspension of the generic type, in particular for eddy current brakes, that extensive decoupling between the mass of the Eddy current brake and the wheelsets can be achieved.
  • the wheel or axle bearing sets should remain unaffected by any functional positions the brake.
  • the suspension uses the front ends to guide the Brake carrier of the freely pivotable arranged on the wheel or axle bearings Pendulum to decouple the respective parallel to the rails Brake carrier and the total mass associated with the brake carrier Achieve eddy current brake compared to the wheelsets.
  • a decoupling between the eddy current brake mass and axle bearings or wheel sets ensured because the front ends of the Brake carrier under swiveling bracket through the axle bearing side Pendulum are limited displaceable in the transverse direction, preferably over exactly Defined spring characteristics and stop positions on the axle bearing in both Positions, or by separating the arms of the brake carrier and the Pendulum is such that the ends of the arms in the braking position on abutments rest in the form of pans and free in the raised release position are held against the pendulum bodies. Through defined stops at the same time the largest possible width of the brake magnets of the eddy current brake reached.
  • the suspension is also suitable for Vertical adjustment i.e. for readjustment of the air gap between the brake magnets and the rail for the purpose of compensation of tire wear.
  • it is preferably at least one of the articulation points of the two front arms of the suspension - both on the brake carrier as well as on the pendulum - adjustable.
  • a bogie frame 1 is a side view Rail vehicle shown, on which an eddy current brake 3 in is arranged in the manner described below.
  • the bogie frame 1 one side of the vehicle is resiliently supported on axle bearings 5 of two wheel sets, lifting bellows 7 connected to the bogie frame 1 onto the brake carrier 9 of the eddy current brake 3 act and this from the in Figure 1 shown braking position to raise in the release position shown in Figure 2 assets, as explained below.
  • each of the arms 15 is one at its ends Brake carrier provided pivot axis 17, which is outward extending ends of the arms 15 each on a pendulum 19 on the axle bearing 5 are articulated. In this way, the arms 15 and the pendulums 19 are each rotatable about an axis running perpendicular to the image plane; on the opposite The arms 15 act according to FIGS. 3 and 4 with a brake carrier fixed Stop 21 together.
  • Figure 3 shows the braking position of the eddy current brake, in which the Stop position of the arm 15 relative to the stop 21 is shown.
  • Stop 21 is designed as an eccentric part rotatable about its axis; it other stop elements on which the brake is in are also possible Braking position supports and which are also adjustable to the stop position fixed in height.
  • a fork 23 can be provided be used as a side guide for the pivoting movement of the arm 15 encompasses the end about the axis 17, as can be seen from FIGS. 3 and 4 to relieve.
  • Vehicle limitation profile with the largest possible width of the magnets from Brake magnet is observed during operation.
  • the arm 15 can be pivoted about the position I (axis 17) be, whereby the wheel set change with dismantled pendulum arrangement is hardly hindered.
  • the pendulum 19 enables in both positions (braking and releasing position) free movement of the wheel sets in the X direction. Due to the pivoting of the Arms 15 around the axes 17 is in the release position the free deflection of the wheel sets guaranteed. Nevertheless, the brake magnets are in the Y direction constantly (brake and release position) on the axle bearing after the above Led way.
  • FIGS. 6-8 of the drawing shown Another embodiment of the suspension is shown in FIGS. 6-8 of the drawing shown.
  • the arm is 15 not articulated to the pendulum 19, but is at its end with a spherical support 29 provided in the braking position ( Figure 6) in a pan 31 rests on the underside of the pendulum 19.
  • the pendulum is 19 in contrast to the embodiment according to the preceding figures 1-5 as a lever-side open housing is formed, which by the point III extending axis 33 is pivotable. Pins connected to the pendulum 35 are guided in bearings, not explained in detail, which on the Bottom of the axle bearing 5 are provided.
  • the arm 15 is in the manner shown in FIG. 7 with the exception of one
  • the possibility of changing the position explained below is held in a rotationally fixed manner, i.e. the arm 15 pivots from the transition from the braking position ( Figure 6) in the release position ( Figure 7) no longer around the one running through point I. Axis 17 down, but remains in the horizontal position.
  • the end of the arm 15 opposite the support 29 non-rotatable between a spring 37 provided as a stop and a wedge 39 led.
  • the wedge 39 with its serving to support the end 41 of the arm 15 Wedge surface 43 is in the illustrated embodiment of a Spindle 45 carried, which e.g. by means of an adjusting hexagon 47 or one comparable device is displaceable in the longitudinal direction, such that a setting explained below, i.e. limited rotation of the lever 15 is possible.
  • the arm 15 is only in the braking position ( Figure 6 and 8) with its support 29 in the pan 31 of the pendulum 19.
  • the arm 15 has a release position and accordingly the one connected to it Brake in the Y direction between the spaced on the inside of the pendulum Stops 49 against the axle bearing a mutual game, i.e. that in the release position a complete decoupling from the axle bearing is reached.
  • the running behavior of the bogie is thus as low as possible Way influenced.
  • After releasing the pad 29 from the pan 31 is consequently decoupling in the Z direction (FIG. 7) is also achieved.
  • the point of support is Arms on the wedge surface 43 changeable.
  • the wedge 39 is over the spindle 45 shifted in the X direction by turning the setting hexagon 47, such that that a limited pivoting of the arm 15 is achieved via the wedge surface 43 is and thus the relative altitude of the pad 29 compared to the Pan 31 can change.
  • the arm 15 is non-rotatable in the release and braking positions and the degree of freedom, i.e. the decoupling from the axle bearing through the type of guidance is guaranteed within the pivotable pendulum 19.
  • the suspension according to the invention is preferably for use with Eddy current brakes provided, within the scope of the invention In general, it is thought for rail brakes, i.e. magnetic rail brakes and eddy current brakes.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Vehicle Body Suspensions (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The frame (1) of the bogey is mounted via springs on the wheel bearing supports (5) of the two wheel sets. The brake (3) is moved up or down by bellows (2) which are mounted on the bogey frame. The brake (3) hinges from the frame (1) by levers (27) and from the wheel bearing supports (5) by levers (19), and two armed levers (15). The two-armed levers pivot at their centre from points at the ends of the brake.

Description

Die Erfindung betrifft eine Aufhängung nach dem Gattungsbegriff des Patentanspruches 1.The invention relates to a suspension according to the preamble of the claim 1.

Bei Wirbelstrombremsen der gattungsgemäßen Art (DE-OS 26 14 298) ist an den beidseitigen Drehgestellrahmen eines Drehgestells jeweils eine durch Betätigungszylinder gebildete Hebeeinrichtung für die unterhalb der Drehgestellrahmen befindlichen Bremsträger an beiden Seiten der Radsätze des Schienenfahrzeuges vorgesehen. Die Bremsträger tragen an ihrer Unterseite Bremsmagnete, welche mit Hilfe der Bremsträger zwischen abgesenkter Bremsstellung unter geringem und möglichst konstantem Abstand zur Oberfläche der Schiene und gelöster, angehobener Stellung verlagerbar sind. Die stirnseitigen Enden der parallel zu den Schienen sich erstreckenden Bremsträger sind in an den Rad- bzw. Achslagern starr angebrachten Führungen gehaltert. In abgesenkter Bremsstellung sind die stirnseitigen Enden der Bremsträger jeweils bündig in einem Führungsprofil gehaltert, so daß senkrecht zu den Bremsträgern verlaufende Kräfte ungedämpft in die Radsatzmassen eingehen; in gleicher Weise werden Längsbewegungen der Bremsträger von den Führungen an den Achslagern aufgenommen. Derartige Koppelungen zwischen der Masse der Wirbelstrombremse und den Radsätzen sind unerwünscht, da sich die Radsätze sowohl in Bremsstellung als auch in gelöster Stellung frei einstellen können müssen, insbesondere bei Kurvenfahrt. Aufhängungen der gattungsgemäßen Art unterliegen somit dem Problem der Beeinflussung der Laufeigenschaften der Radsätze. In eddy current brakes of the generic type (DE-OS 26 14 298) is on the bogie frame on both sides of a bogie one each Actuating cylinder formed lifting device for the below the bogie frame brake carrier located on both sides of the wheelsets of the Rail vehicle provided. The brake carriers bear on their underside Brake magnets, which are lowered with the help of the brake carrier Braking position with a small and as constant as possible distance to the surface the rail and released, raised position are shiftable. The front ends of the brake carrier extending parallel to the rails are in guides rigidly attached to the wheel or axle bearings supported. In the lowered braking position, the front ends of the Brake carrier each held flush in a guide profile, so that vertically Forces running to the brake carriers undamped into the wheel set masses come in; in the same way, longitudinal movements of the brake carrier of the guides on the axle bearings. Such couplings between the mass of the eddy current brake and the wheel sets are undesirable, because the wheel sets are both in the braking position and in the released position Must be able to adjust the position freely, especially when cornering. Suspensions of the generic type are therefore subject to the problem of Influencing the running properties of the wheel sets.

Davon ausgehend besteht die Aufgabe der Erfindung darin, eine Aufhängung der gattungsgemäßen Art, insbesondere für Wirbelstrombremsen, so auszugestalten, daß eine weitgehende Entkoppelung zwischen der Masse der Wirbelstrombremse und den Radsätzen erzielbar ist. Die Rad- bzw. Achslagersätze sollen möglichst unbeeinflußt bleiben von jedweden Funktionsstellungen der Bremse.Proceeding from this, the object of the invention is a suspension of the generic type, in particular for eddy current brakes, that extensive decoupling between the mass of the Eddy current brake and the wheelsets can be achieved. The wheel or axle bearing sets should remain unaffected by any functional positions the brake.

Zur Lösung dieser Aufgabe dienen die Merkmale nach dem Kennzeichnungsteil des Patentanspruches 1.The features after the identification part serve to solve this task of claim 1.

Die Aufhängung bedient sich für die Führung der stirnseitigen Enden des Bremsträgers der an den Rad- bzw. Achslagern angeordneten, frei schwenkbaren Pendel, um parallel zu den Schienen eine Entkoppelung des jeweiligen Bremsträgers und der mit dem Bremsträger verbundenen Gesamtmasse der Wirbelstrombremse gegenüber den Radsätzen zu erreichen. Auch parallel zur Achse der Achslager ist eine Entkoppelung zwischen Wirbelstrombrems-Masse und Achslagern bzw. Radsätzen sichergestellt, da die stirnseitigen Enden des Bremsträgers unter schwenkbarer Halterung durch die achslagerseitigen Pendel begrenzt in Querrichtung verlagerbar sind, vorzugsweise über genau definierte Federkennlinien und Anschlagpositionen am Achslager in beiden Stellungen, oder indem eine Trennung der Arme des Bremsträgers und der Pendel besteht, derart, daß die Enden der Arme in Bremsstellung auf Widerlagern in Form von Pfannen aufliegen und in angehobener Lösestellung frei gegenüber den Pendelkörpern gehaltert sind. Durch definierte Anschläge ist gleichzeitig die größtmögliche Baubreite der Bremsmagnete der Wirbelstrombremse erreicht.The suspension uses the front ends to guide the Brake carrier of the freely pivotable arranged on the wheel or axle bearings Pendulum to decouple the respective parallel to the rails Brake carrier and the total mass associated with the brake carrier Achieve eddy current brake compared to the wheelsets. Also parallel to The axis of the axle bearing is a decoupling between the eddy current brake mass and axle bearings or wheel sets ensured because the front ends of the Brake carrier under swiveling bracket through the axle bearing side Pendulum are limited displaceable in the transverse direction, preferably over exactly Defined spring characteristics and stop positions on the axle bearing in both Positions, or by separating the arms of the brake carrier and the Pendulum is such that the ends of the arms in the braking position on abutments rest in the form of pans and free in the raised release position are held against the pendulum bodies. Through defined stops at the same time the largest possible width of the brake magnets of the eddy current brake reached.

Gegenüber Anordnungen gattungsgemäßer Art ist auch ein leichter Radsatzwechsel ermöglicht, da nach Demontage des Lagerbock-Unterteils, das zugleich Aufhängung des Pendels ist, und Verschwenkung der gemäß einer Ausführungsform mit den Pendeln verbundenen Arme ein einfaches Abnehmen des Radsatzes ermöglicht ist. Die Aufhängung eignet sich auch zur Einstellung in vertikaler Richtung d.h. zur Nachjustierung des Luftspaltes zwischen den Bremsmagneten und der Schiene zum Zwecke des Ausgleichs des Radreifenverschleißes. Zu diesem Zweck ist vorzugsweise mindestens einer der Anlenkpunkte der beiden stirnseitigen Arme der Aufhängung - sowohl am Bremsträger als auch am Pendel - einstellbar.Compared to arrangements of the generic type, there is also an easy change of wheelset enables, since after dismantling the bearing block lower part, that at the same time Suspension of the pendulum is, and swiveling according to one Embodiment with the pendulum connected arms a simple Removing the wheelset is allowed. The suspension is also suitable for Vertical adjustment i.e. for readjustment of the air gap between the brake magnets and the rail for the purpose of compensation of tire wear. For this purpose, it is preferably at least one of the articulation points of the two front arms of the suspension - both on the brake carrier as well as on the pendulum - adjustable.

Vorteilhafte Ausgestaltungen und Weiterbildungen sind in weiteren Patentansprüchen aufgeführt.Advantageous refinements and developments are in further claims listed.

Die Erfindung ist nachfolgend anhand von Ausführungsbeispielen unter Bezugnahme auf die beigefügte Zeichnung erläutert.

  • Figur 1 ist eine teilweise geschnittene Seitenansicht zweier Radsätze eines Schienenfahrzeuges mit einer zwischen diesen mittels der erfindungsgemäßen Aufhängung in Bremsstellung befindlich dargestellten Wirbelstrombremse;
  • Figur 2 ist eine der Figur 1 vergleichbare Darstellung in der Lösestellung der Wirbelstrombremse;
  • Figur 3 ist eine gegenüber der Darstellung nach Figur 1 stark vergrößerte Einzeldarstellung der Anlenkung des Bremsträgers an einem am Achslager gehalterten Pendel in Bremsstellung der Wirbelstrombremse;
  • Figur 4 ist eine der Figur 3 vergleichbare Darstellung in der Lösestellung der Wirbelstrombremse. Die senkrecht zueinander stehenden Bewegungsrichtungen x, y und z sind anhand einer Pfeildarstellung aufgezeigt;
  • Figur 5 ist eine senkrecht zur Anordnung nach Figur 1 - 4 verlaufende Schnittansicht durch ein Schienenfahrzeugrad mit Achslageranordnung und an dieser geführten Pendelaufhängung für den mit dem Bremsträger verbundenen Arm.
  • Figur 6 ist eine teilweise geschnittene Teil-Seitenansicht einer weiteren Ausführungsform einer Aufhängung unter Darstellung der Bremsstellung;
  • Figur 7 ist eine der Figur 6 vergleichbare Ansicht unter Darstellung der Lösestellung; und
  • Figur 8 ist eine senkrecht zur Anordnung nach Figur 6 und 7 verlaufende Schnittansicht durch die Pendelanordnung unter Darstellung der Bremsstellung.
  • The invention is explained below using exemplary embodiments with reference to the accompanying drawings.
  • FIG. 1 is a partially sectioned side view of two wheel sets of a rail vehicle with an eddy current brake shown between them in the braking position by means of the suspension according to the invention;
  • Figure 2 is a representation comparable to Figure 1 in the release position of the eddy current brake;
  • FIG. 3 is a greatly enlarged individual illustration of the articulation of the brake carrier on a pendulum held on the axle bearing in the braking position of the eddy current brake;
  • Figure 4 is a representation comparable to Figure 3 in the release position of the eddy current brake. The directions of movement x, y and z which are perpendicular to one another are shown by means of an arrow;
  • FIG. 5 is a sectional view perpendicular to the arrangement according to FIGS. 1-4 through a rail vehicle wheel with an axle bearing arrangement and a pendulum suspension guided thereon for the arm connected to the brake carrier.
  • Figure 6 is a partially sectioned side view of another embodiment of a suspension showing the braking position;
  • FIG. 7 is a view comparable to FIG. 6, showing the release position; and
  • Figure 8 is a sectional view perpendicular to the arrangement of Figures 6 and 7 through the pendulum arrangement showing the braking position.
  • In Figur 1 der Zeichnung ist in Seitenansicht ein Drehgestellrahmen 1 eines Schienenfahrzeuges dargestellt, an welchem eine Wirbelstrombremse 3 in nachfolgend beschriebener Weise angeordnet ist. Der Drehgestellrahmen 1 einer Fahrzeugseite ist federnd an Achslagern 5 zweier Radsätze abgestützt, wobei mit dem Drehgestellrahmen 1 verbundene Hebebälge 7 auf den Bremsträger 9 der Wirbelstrombremse 3 einwirken und diesen aus der in Figur 1 dargestellten Bremsstellung in die in Figur 2 dargestellte Lösestellung anzuheben vermögen, wie nachfolgend erläutert ist.In Figure 1 of the drawing, a bogie frame 1 is a side view Rail vehicle shown, on which an eddy current brake 3 in is arranged in the manner described below. The bogie frame 1 one side of the vehicle is resiliently supported on axle bearings 5 of two wheel sets, lifting bellows 7 connected to the bogie frame 1 onto the brake carrier 9 of the eddy current brake 3 act and this from the in Figure 1 shown braking position to raise in the release position shown in Figure 2 assets, as explained below.

    An der Unterseite der beidseitigen Bremsträger 9 der Wirbelstrombremse befinden sich an sich bekannte Bremsmagnete 11, welche in Bremsstellung unter einem vorbestimmten Abstand zur schematisch wiedergegebenen Schiene 13 zu halten sind, so z.B. unter einem Abstand von 7 mm. Für den Höhenausgleich der Verlagerung der Wirbelstrombremse 3 zwischen den in Figur 1 und 2 dargestellten Funktionsstellungen als auch zur Führung der Wirbelstrombremse gegenüber den Achslagern sind an den beiden Stirnseiten des Bremsträgers 9 jeweils Arme 15 angelenkt. Gemäß einer ersten Ausführungsform ist jeder der Arme 15 zwischen seinen Enden um eine am Bremsträger vorgesehene Achse 17 schwenkbar, wobei die sich nach außen erstreckenden Enden der Arme 15 jeweils an einem Pendel 19 am Achslager 5 angelenkt sind. Auf diese Weise sind die Arme 15 und die Pendel 19 jeweils um eine senkrecht zur Bildebene verlaufende Achse drehbar; am entgegengesetzten Ende wirken die Arme 15 gemäß Figur 3 und 4 mit einem bremsträgerfesten Anschlag 21 zusammen.On the underside of the brake carrier 9 on both sides of the eddy current brake are known brake magnets 11, which are in the braking position at a predetermined distance from the schematically reproduced Rail 13 are to be held, e.g. at a distance of 7 mm. For the Height compensation of the displacement of the eddy current brake 3 between the in Figures 1 and 2 functional positions shown as well as to guide the Eddy current brakes opposite the axle bearings are on the two faces of the brake carrier 9 arms 15 articulated. According to a first Embodiment, each of the arms 15 is one at its ends Brake carrier provided pivot axis 17, which is outward extending ends of the arms 15 each on a pendulum 19 on the axle bearing 5 are articulated. In this way, the arms 15 and the pendulums 19 are each rotatable about an axis running perpendicular to the image plane; on the opposite The arms 15 act according to FIGS. 3 and 4 with a brake carrier fixed Stop 21 together.

    Figur 3 gibt die Bremsstellung der Wirbelstrombremse wieder, in welcher die Anschlagposition des Arms 15 gegenüber dem Anschlag 21 dargestellt ist. Der Anschlag 21 ist als ein um seine Achse drehbares Exzenter-Teil ausgeführt; es sind auch andere Anschlagelemente möglich, auf denen sich die Bremse in Bremsstellung abstützt und welche außerdem verstellbar sind, um die Anschlagposition höhenveränderlich festzulegen. Es kann eine Gabel 23 vorgesehen sein, welche als seitliche Führung für die Schwenkbewegung des Arms 15 dessen Ende umgreift, wie aus Figur 3 und 4 ersichtlich ist, um die Achse 17 zu entlasten. Durch die vorstehend beschriebene drehbare Ausführung des Arms 15 vollführt der Arm zwischen der in Figur 1 dargestellten Bremsstellung und der in Figur 2 wiedergegebenen Lösestellung relative Winkelbewegungen bezüglich des Pendels, wie aus den genannten Figuren ersichtlich ist; die dadurch entstandene Verschiebung des Anlenkpunktes II wird ebenfalls durch das Pendel 19 ausgeglichen.Figure 3 shows the braking position of the eddy current brake, in which the Stop position of the arm 15 relative to the stop 21 is shown. Of the Stop 21 is designed as an eccentric part rotatable about its axis; it other stop elements on which the brake is in are also possible Braking position supports and which are also adjustable to the stop position fixed in height. A fork 23 can be provided be used as a side guide for the pivoting movement of the arm 15 encompasses the end about the axis 17, as can be seen from FIGS. 3 and 4 to relieve. Due to the rotatable design of the Arms 15 performs the arm between the braking position shown in Figure 1 and the release position shown in Figure 2 relative angular movements with regard to the pendulum, as can be seen from the figures mentioned; the resulting displacement of the articulation point II is also by the pendulum 19 balanced.

    Gemäß Figur 5 der Zeichnung ist das schwenkbar mit dem Arm verbundene Pendel 19 in Y-Richtung (Figur 4), d.h. senkrecht zur Bildebene in Figur 1 und 2, also horizontal bezüglich der Bildebene in Figur 5, gegen eine Feder 25 verschiebbar. Querbewegungen des Pendels 19 in Y-Richtung werden also durch die Feder 25 elastisch aufgenommen, wobei die Feder 25 beispielsweise als doppelt wirkende Feder, d.h. in beiden Bewegungsrichtungen wirkende Feder, ausgebildet sein kann. Anschläge 26 (Figur 5) begrenzen die Verschiebebewegungen des Pendels 19. Hierbei wird nach einem vorher eingestellten Federweg die Anschlagposition erreicht, derart, daß dasAccording to Figure 5 of the drawing, this is pivotally connected to the arm Pendulum 19 in the Y direction (Figure 4), i.e. perpendicular to the image plane in Figure 1 and 2, ie horizontally with respect to the image plane in FIG. 5, against a spring 25 slidable. So transverse movements of the pendulum 19 in the Y direction absorbed elastically by the spring 25, the spring 25 for example as a double-acting spring, i.e. acting in both directions Spring, can be formed. Stops 26 (Figure 5) limit the Movement movements of the pendulum 19. This is after a before set travel reaches the stop position, such that the

    Fahrzeugbegrenzungsprofil bei größtmöglicher Baubreite der Magnete von den Bremsmagneten im Betrieb eingehalten wird.Vehicle limitation profile with the largest possible width of the magnets from Brake magnet is observed during operation.

    Wie aus Figur 1 und 2 ersichtlich ist, ist sowohl am Drehgestellrahmen 1 als auch am Bremsträger 9 der Wirbelstrombremse jeweils eine Bremsstütze 27 angelenkt, über welche in der Bremsstellung die auf die Bremsmagnete wirkende Bremskraft auf den Drehgestellrahmen übertragen wird. In der Bremsstellung ist die Bremsstütze möglichst horizontal am Drehgestell angeordnet. Die Bremsstütze ist in nicht näher erläuterter Weise kardanisch angelenkt und relativ zur Bildebene verlagerbar, d.h. es ist eine Entkoppelung der Wirbelstrombremsmasse gegenüber dem Drehgestellrahmen in Y-Richtung (Figur 4) gegeben.As can be seen from Figures 1 and 2, is both on the bogie frame 1 also a brake support 27 on the brake carrier 9 of the eddy current brake articulated via which, in the braking position, the one acting on the brake magnets Braking force is transmitted to the bogie frame. In the braking position the brake support is arranged as horizontally as possible on the bogie. The brake support is articulated and not articulated relocatable relative to the image plane, i.e. it is a decoupling of the eddy current brake mass compared to the bogie frame in the Y direction (Figure 4) given.

    In Figur 3 der Zeichnung sind für die Anlenkung des Arms 15 am Träger, für die Anlenkung des Arms 15 am Pendel und für die Anlenkung des Pendels am Achslager die Positionen I, II, und II aufgezeigt. Für die Anschlagposition des Arms 15 gegenüber dem Anschlag 21 ist die Position IV wiedergegeben. Wenigstens eine dieser Positionen I-IV ist verstellbar ausgeführt, um den Radreifenverschleiß ausgleichen zu können; vorzugsweise geschieht dies an den Positionen I oder IV, da bei Einstellungen dieser Positionen eine Wegübersetzung für die Einstellung des Magnetniveaus, also der Höhenlage gegenüber der Schiene bewirkt wird.In Figure 3 of the drawing are for the articulation of the arm 15 on the support for Articulation of the arm 15 on the pendulum and for the articulation of the pendulum on Axle bearing positions I, II, and II are shown. For the stop position of the Arms 15 opposite the stop 21, the position IV is shown. At least one of these positions I-IV is designed to be adjustable To compensate for tire wear; this is preferably done positions I or IV, because when these positions are set, a path translation for setting the magnetic level, i.e. the altitude is effected relative to the rail.

    Zum Radsatzwechsel kann der Arm 15 um die Position I (Achse 17) geschwenkt werden, wodurch der Radsatzwechsel bei demontierter Pendelanordnung kaum behindert wird. To change the wheel set, the arm 15 can be pivoted about the position I (axis 17) be, whereby the wheel set change with dismantled pendulum arrangement is hardly hindered.

    Das Pendel 19 ermöglicht in beiden Stellungen (Brems- und Lösestellung) die freie Beweglichkeit der Radsätze in X-Richtung. Durch die Schwenkbarkeit der Arme 15 um die Achsen 17 ist in Lösestellung die freie Einfederung der Radsätze gewährleistet. Trotzdem werden die Bremsmagnete in Y-Richtung ständig (Brems- und Lösestellung) am Achslager nach der o.a. Weise geführt.The pendulum 19 enables in both positions (braking and releasing position) free movement of the wheel sets in the X direction. Due to the pivoting of the Arms 15 around the axes 17 is in the release position the free deflection of the wheel sets guaranteed. Nevertheless, the brake magnets are in the Y direction constantly (brake and release position) on the axle bearing after the above Led way.

    In den Figuren 6-8 der Zeichnung ist eine weitere Ausführungsform der Aufhängung dargestellt. Gemäß einer vorteilhaften Ausgestaltung ist der Arm 15 mit dem Pendel 19 nicht gelenkig verbunden, sondern ist an seinem Ende mit einer kugelförmigen Auflage 29 versehen, die in Bremsstellung (Figur 6) in einer Pfanne 31 an der Unterseite des Pendels 19 aufliegt. Das Pendel 19 ist im Gegensatz zur Ausführungsform nach den voranstehenden Figuren 1-5 als ein hebelseitig offenes Gehäuse ausgebildet, welches um die durch den Punkt III verlaufende Achse 33 schwenkbar ist. Mit dem Pendel verbundene Zapfen 35 sind in im einzelnen nicht näher erläuterten Lagern geführt, welche an der Unterseite des Achslagers 5 vorgesehen sind.Another embodiment of the suspension is shown in FIGS. 6-8 of the drawing shown. According to an advantageous embodiment, the arm is 15 not articulated to the pendulum 19, but is at its end with a spherical support 29 provided in the braking position (Figure 6) in a pan 31 rests on the underside of the pendulum 19. The pendulum is 19 in contrast to the embodiment according to the preceding figures 1-5 as a lever-side open housing is formed, which by the point III extending axis 33 is pivotable. Pins connected to the pendulum 35 are guided in bearings, not explained in detail, which on the Bottom of the axle bearing 5 are provided.

    Der Arm 15 ist in der aus Figur 7 ersichtlichen Weise mit Ausnahme einer nachfolgend erläuterten Möglichkeit der Positionsveränderung drehfest gehalten, d.h. der Arm 15 schwenkt vom Übergang aus der Bremsstellung (Figur 6) in die Lösestellung (Figur 7) nicht mehr um die durch den Punkt I verlaufende Achse 17 nach unten, sondern bleibt in der horizontalen Lage. Zu diesem Zweck ist das der Auflage 29 entgegengesetzte Ende des Arms 15 undrehbar zwischen einer als Anschlag vorgesehenen Feder 37 und einem Keil 39 geführt. Der Keil 39 mit seiner zur Auflage des Endes 41 des Arms 15 dienenden Keilfläche 43 wird im dargestellten Ausführungsbeispiel von einer Spindel 45 getragen, welche z.B. mittels eines Einstellsechskants 47 oder einer vergleichbaren Einrichtung in Längsrichtung verschiebbar ist, derart, daß eine nachfolgend erläuterte Einstellung, d.h. begrenzte Drehung des Hebels 15 ermöglicht ist. The arm 15 is in the manner shown in FIG. 7 with the exception of one The possibility of changing the position explained below is held in a rotationally fixed manner, i.e. the arm 15 pivots from the transition from the braking position (Figure 6) in the release position (Figure 7) no longer around the one running through point I. Axis 17 down, but remains in the horizontal position. To for this purpose, the end of the arm 15 opposite the support 29 non-rotatable between a spring 37 provided as a stop and a wedge 39 led. The wedge 39 with its serving to support the end 41 of the arm 15 Wedge surface 43 is in the illustrated embodiment of a Spindle 45 carried, which e.g. by means of an adjusting hexagon 47 or one comparable device is displaceable in the longitudinal direction, such that a setting explained below, i.e. limited rotation of the lever 15 is possible.

    Wie vorstehend erwähnt, liegt der Arm 15 nur in der Bremsstellung (Figur 6 und 8) mit seiner Auflage 29 in der Pfanne 31 des Pendels 19 auf. In der angehobenen Lösestellung besitzt der Arm 15 und demnach die mit ihm verbundene Bremse in Y-Richtung zwischen den mit Abstand innenseitig am Pendel angebrachten Anschlägen 49 gegenüber dem Achslager ein beiderseitiges Spiel, d.h. daß in der Lösestellung eine vollkommene Entkoppelung vom Achslager erreicht ist. Das Laufverhalten des Drehgestells wird somit auf geringstmögliche Weise beeinflußt. Nach dem Lösen der Auflage 29 aus der Pfanne 31 ist folglich auch eine Entkoppelung in Z-Richtung (Figur 7) erreicht.As mentioned above, the arm 15 is only in the braking position (Figure 6 and 8) with its support 29 in the pan 31 of the pendulum 19. In the raised The arm 15 has a release position and accordingly the one connected to it Brake in the Y direction between the spaced on the inside of the pendulum Stops 49 against the axle bearing a mutual game, i.e. that in the release position a complete decoupling from the axle bearing is reached. The running behavior of the bogie is thus as low as possible Way influenced. After releasing the pad 29 from the pan 31 is consequently decoupling in the Z direction (FIG. 7) is also achieved.

    Zur Nachstellung des Radreifenverschleißes ist der Punkt der Auflage des Arms an der Keilfläche 43 veränderbar. Hierzu wird der Keil 39 über die Spindel 45 durch Drehen am Einstellsechskant 47 in X-Richtung verschoben, derart, daß über die Keilfläche 43 eine begrenzte Verschwenkung des Arms 15 erreicht wird und sich somit die relative Höhenlage der Auflage 29 gegenüber der Pfanne 31 verändern läßt. Im Rahmen des der vorteilhaften Ausgestaltung nach den Figuren 6-8 eigenen Gedankens ist in jedem Fall vorgesehen, daß der Arm 15 in Löse- und in Bremsstellung undrehbar ist und der Freiheitsgrad, d.h. die Entkoppelung gegenüber dem Achslager durch die Art der Führung innerhalb des schwenkbaren Pendels 19 gewährleistet ist.To readjust the tire wear, the point of support is Arms on the wedge surface 43 changeable. For this purpose, the wedge 39 is over the spindle 45 shifted in the X direction by turning the setting hexagon 47, such that that a limited pivoting of the arm 15 is achieved via the wedge surface 43 is and thus the relative altitude of the pad 29 compared to the Pan 31 can change. As part of the advantageous embodiment according to Figures 6-8 own thought it is provided in any case that the arm 15 is non-rotatable in the release and braking positions and the degree of freedom, i.e. the decoupling from the axle bearing through the type of guidance is guaranteed within the pivotable pendulum 19.

    Die Aufhängung nach der Erfindung ist vorzugsweise zur Verwendung bei Wirbelstrombremsen vorgesehen, im Rahmen des der Erfindung eigenen Gedankens ist sie allgemein für Schienenbremsen, also Magnetschienenbremsen und Wirbelstrombremsen, geeignet. The suspension according to the invention is preferably for use with Eddy current brakes provided, within the scope of the invention In general, it is thought for rail brakes, i.e. magnetic rail brakes and eddy current brakes.

    BezugszeichenlisteReference list

    11
    DrehgestellrahmenBogie frame
    33rd
    WirbelstrombremseEddy current brake
    55
    AchslagerAxle bearing
    77
    HebebalgBellows
    99
    BremsträgerBrake carrier
    1111
    BremsmagnetBrake magnet
    1313
    Schienerail
    1515
    Armpoor
    1717th
    Achseaxis
    1919th
    PendelPendulum
    2121
    Anschlag attack
    2323
    Gabelfork
    2525th
    Federfeather
    2626
    Anschlagattack
    2727
    BremsstützeBrake support
    2929
    AuflageEdition
    3131
    Pfannepan
    3333
    Achseaxis
    3535
    ZapfenCones
    3737
    Federfeather
    3939
    Keilwedge
    4141
    EndeThe End
    4343
    KeilflächeWedge surface
    4545
    Spindelspindle
    4747
    EinstellsechskantHexagon socket
    4949
    Anschlagattack

    Claims (11)

    1. Track brake suspension, in particular an eddy current brake, on a bogie of a rail vehicle, having bogie frames extending from the bogie on both its longitudinal sides, lifting devices acting on these bogie frames and moving the track brake on brake carriers between a lowered brake position and a raised release position, and having guide means, arranged on the shaft bearings of respectively two sets of wheels, for the front ends of the brake carriers of the track brake, characterized in that pendulums (19) articulated on the shaft bearings (5) are provided as guide means on the shaft bearings (5).
    2. Suspension according to claim 1, characterized by the following features:
      a) arms (15) extend from the front ends of the brake carrier (9) and are pivotably articulated on the pendulums (19);
      b) the arms are pivotably articulated on the brake carrier (9); and
      c) stops (21) for the arms (15) are provided on the brake carrier when the brake carrier is in the lowered position.
    3. Suspension according to claim 1, characterized by the following features;
      the pendulums (19) can be moved parallel to their articulation on the shaft bearing (5) between two stops against a spring (25) acting both ways.
    4. Suspension according to one of the preceding claims, characterized by the following features:
      one of the points of the articulation of the lever (15) on the brake carrier or on the pendulum (19) is made to be adjustable so as to be able to compensate for wheel tyre wear by way of level compensation.
    5. Suspension according to one of the preceding claims, characterized in that the point of the articulation of the pendulum (19) on the shaft bearing (5) and/or the stop formed for the lever (15) on the brake carrier is made to be adjustable so as to be able to compensate for wheel tyre wear.
    6. Suspension according to one of the preceding claims, characterized in that respectively between the bogie frame (1) and the brake carrier (9) there is provided at least one brake support (27) to support the brake force.
    7. Suspension according to claim 6, characterized in that the brake support (27) is articulated pivotably both on the bogie frame (1) and on the brake carrier (9).
    8. Suspension according to claim 1, characterized by the following features:
      a) from the front ends of the brake carrier (9) there extend arms (15) fixedly guided on the carrier;
      b) the pendulums (19) are constructed as housings open with respect to the arms and each having a bowl (31) on its base;
      c) the ends of the arms (15) extend freely into the inside of the pendulum (19) in such a way that in the braking position they lie on the bowl (31) with a support (29) formed at their ends, and in the raised release position are guided freely with respect to stops (49) formed on the inside of the pendulum.
    9. Suspension according to claim 8, characterized in that the arms (15) are arranged to be pivotable in a limited manner on the brake carrier (9) for subsequent adjustment of the wheel tyre wear.
    10. Suspension according to claim 9, characterized by the following features:
      a) each arm (15) is mounted on the brake carrier (9) on a shaft (17) and
      b) the end (41) of the arm (15) opposite the support (29) is locked in both directions of rotation between stops, one of which is adjustable against elastic articulation of the other.
    11. Suspension according to claim 10, characterized by the following features:
      a) the end (41) of the arm (15) lies on the wedge surface (43) of a wedge (39) forming one of the stops;
      b) the wedge (39) is arranged on a spindle (45) which is guided by adjustment means (adjustment hexagon 47) on the brake carrier (9) so as to be alterable in position; and
      c) the other stop is formed by a spring (37).
    EP95119534A 1995-02-02 1995-12-12 Suspension of a track brake, especially an eddy current brake on a bagie of a rail vehicle Expired - Lifetime EP0724997B1 (en)

    Applications Claiming Priority (4)

    Application Number Priority Date Filing Date Title
    DE19503387 1995-02-02
    DE19503387 1995-02-02
    DE19530405A DE19530405A1 (en) 1995-02-02 1995-08-18 Suspension of a rail brake, in particular eddy current brake, on a bogie of a rail vehicle
    DE19530405 1995-08-18

    Publications (2)

    Publication Number Publication Date
    EP0724997A1 EP0724997A1 (en) 1996-08-07
    EP0724997B1 true EP0724997B1 (en) 1998-03-18

    Family

    ID=26012084

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP95119534A Expired - Lifetime EP0724997B1 (en) 1995-02-02 1995-12-12 Suspension of a track brake, especially an eddy current brake on a bagie of a rail vehicle

    Country Status (3)

    Country Link
    EP (1) EP0724997B1 (en)
    AT (1) ATE164130T1 (en)
    ES (1) ES2113705T3 (en)

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CN102556100A (en) * 2010-11-22 2012-07-11 阿尔斯通运输股份有限公司 Rail vehicle bogie including eddy-current braking device

    Families Citing this family (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19725174C2 (en) * 1997-06-13 1999-08-12 Knorr Bremse Systeme Suspension of a rail brake on a bogie of a rail vehicle
    DE19732482A1 (en) * 1997-07-29 1999-02-04 Sab Wabco Bsi Verkehrstechnik Magnetic braking device for rail vehicles
    DE102015107346A1 (en) * 2015-05-11 2016-11-17 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Modular device for coupling a magnet segment to at least one axle of a rail vehicle

    Family Cites Families (5)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US2180870A (en) * 1937-10-19 1939-11-21 Westinghouse Air Brake Co Magnetic rail brake
    CH242982A (en) * 1944-10-18 1946-06-15 Bbc Brown Boveri & Cie Process and device for increasing the adhesion in locomotives equipped with rail brakes.
    FR1540461A (en) * 1967-08-11 1968-09-27 Creusot Forges Ateliers Pendulum suspension device for magnetic brake pads on rails, for bogies of railway vehicles
    FR2159772A5 (en) * 1971-11-12 1973-06-22 Creusot Loire
    FR2314852A1 (en) 1975-06-18 1977-01-14 Sncf Suspension for linear eddy current brakes - uses slide guidance to connect brake carrier and bogie frame

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    CN102556100A (en) * 2010-11-22 2012-07-11 阿尔斯通运输股份有限公司 Rail vehicle bogie including eddy-current braking device
    CN102556100B (en) * 2010-11-22 2016-06-01 阿尔斯通运输科技公司 Bogies for railway vehicles including eddy-current braking device

    Also Published As

    Publication number Publication date
    ES2113705T3 (en) 1998-05-01
    ATE164130T1 (en) 1998-04-15
    EP0724997A1 (en) 1996-08-07

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