EP0156143B1 - Mounting arrangement of brake shoe units on railway vehicles - Google Patents

Mounting arrangement of brake shoe units on railway vehicles Download PDF

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Publication number
EP0156143B1
EP0156143B1 EP85101483A EP85101483A EP0156143B1 EP 0156143 B1 EP0156143 B1 EP 0156143B1 EP 85101483 A EP85101483 A EP 85101483A EP 85101483 A EP85101483 A EP 85101483A EP 0156143 B1 EP0156143 B1 EP 0156143B1
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EP
European Patent Office
Prior art keywords
vehicle
brake
wheel
brake pad
brake block
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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
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EP85101483A
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German (de)
French (fr)
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EP0156143A1 (en
Inventor
Josef Staltmeir
Bernd Wosegien
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Knorr Bremse AG
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Knorr Bremse AG
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Publication of EP0156143A1 publication Critical patent/EP0156143A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61HBRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H1/00Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like

Definitions

  • the invention relates to a mounting arrangement of brake block units on rail vehicles with transversely displaceable wheel sets, with a transverse mobility of the brake block unit relative to the vehicle frame, based on the longitudinal direction of the vehicle.
  • Such a mounting arrangement is known from WO-A-80/00682.
  • the brake pad unit is held here by means of spring straps running in the longitudinal direction of the vehicle.
  • a substantially vertical pendulum lever suspension can be provided by means of a lever articulated at the bottom of the brake pad unit and at the top of the vehicle frame.
  • the known mounting arrangement can furthermore have springs running essentially in the longitudinal direction of the vehicle between the brake block unit and the vehicle frame, which serve to set a neutral position.
  • the known mounting arrangement offers no possibility that a single brake block unit follows a side shift of the wheel assigned to it in the direction of the flange side. To ensure such a subsequent shift, two brake pad units arranged on different vehicle sides must be connected by a tie rod in the known mounting arrangement.
  • This object is achieved according to the invention by an elastic loading of the brake block unit in the direction of movement towards the vehicle longitudinal center plane.
  • the subclaims show advantageous design options for the mounting arrangement.
  • FIG. 1 shows part of a rail vehicle wheel 1 of a wheel set, which is otherwise not shown, the rail vehicle wheel 1 has a tread 2 and a wheel flange 3.
  • the rail vehicle 1 is rigidly connected to a second rail vehicle wheel via a wheel set shaft, the wheel flanges 3 of both rail vehicle wheels facing one another.
  • the two rail vehicle wheels together with the wheelset shaft form the wheelset.
  • the tread 2 is at a short distance from a brake pad 4 visible in supervision, which is pressed against the tread 2 during braking.
  • the brake pad 4 is held on a push rod 5 of a brake pad unit 6.
  • the brake pad unit 6 is rigidly connected on its upper side to a sleeve-like housing 7, which is displaceably penetrated by a profile rod 8 which is round in cross section.
  • the axis 9 of the profile rod 8 runs transversely to the longitudinal direction of the vehicle or at least approximately parallel to the axial direction of the wheel set.
  • the two ends of the profile rod 8 are held in pedestals 10 which are rigidly connected to the frame of the rail vehicle; the distance between the two bearing blocks 10 is greater than the length of the housing 7.
  • Im Housing 7 are located near the ends of each two opposing rollers 11 which are rotatable about axes 12 fixed to the housing. As will be described later in relation to FIG. 7, the rollers 11 have a concave circumferential surface adapted to the outer circumference of the profile rod 8, with which they can be rolled on the profile rod 8, partially encompassing them.
  • a spring 14 is clamped between the housing 7 and the bearing block 10 facing away from the longitudinal median plane of the rail vehicle, indicated by the dash-dotted line 13, which exerts a constantly effective force in the direction of displacement towards the median longitudinal plane 13.
  • the wheel set comprising the rail vehicle 1 is within its transverse displaceability in its right end position, and also the housing 7 and thus also the brake pad unit 6 are in their right end positions, the housing 7 being on the right, the vehicle longitudinal median plane 13 closer bearing block 10 is present.
  • the brake pad 4 is located, as shown, at a short distance in front of the tread 2 and can be correctly pressed against the tread 2 by the brake pusher unit 6 when the brake is actuated. If the wheel set with the rail vehicle 1 shifts to the left according to FIG.
  • the wheel flange 3 runs against the side edge of the brake pad 4 facing it and presses it accordingly to the left; Via the push rod 5, the brake block unit 6 and the housing 7 are taken along by the brake block 4 because the rollers 11 roll on the profile rod 6 and the spring 14 is compressed accordingly. In these new positions, too, the brake pad 4 can be pressed correctly against the tread 2 of the rail vehicle 1 by means of the brake pad unit 6. If the wheel set with the rail vehicle wheel 1 again moves to the right within its transverse displaceability, the spring 14 guides the brake block 4 of this transverse displacement movement with appropriate relaxation by displacing the housing 7 and thus the brake block unit 6, by rolling the rollers 11 on the profile rod 8 the resistance to movement is low.
  • the brake pad 4 is always held in an aligned opposite position to the tread 2 of the rail vehicle wheel 1, so that it can be pressed correctly onto the tread 2 when the brake is actuated.
  • the transverse movements of the brake pad unit 6 can take place with little effort, since the rollers 11 ensure a low resistance to movement or friction; the spring 14 can be dimensioned weak, so that the brake pad 4 abuts or rubs against the wheel flange 3 with at most little force, as a result of which no remarkable frictional resistance for the rail vehicle wheel 1 and also no significant wear for the wheel flange 3 and the brake block 4 are caused.
  • the brake block unit 6 is provided on its side facing away from the rail vehicle wheel 1 with a bearing block 15, on which a horizontally or obliquely upwardly extending lever 17 is pivoted about a substantially vertical axis 16 as a torque support, the other end of which via a also essentially vertical axis 18 is pivotally connected to a bearing 19 of the rail vehicle frame.
  • the reaction forces are derived from the brake block unit 6 onto the rail vehicle frame by the lever 17.
  • the lever 17 pivots accordingly about the axes 16 and 18. Since the rollers 11 are relieved of the reaction forces here, it can be expedient to arrange the axes 12 rotated by 90 ° around the axis 9, that is to say horizontally, so that the rollers 11 are above and below the profile rod 8.
  • the brake pad unit 6 can be equipped in a manner not shown or not shown in FIG. 1 with a second additional guide device corresponding to parts 7 to 12 and optionally also the spring 14, the axis of the profile rod this further guide device runs parallel to axis 9.
  • the reaction force is then derived from the brake pad unit 6 on the vehicle frame via the two guide devices which are arranged spatially offset from one another.
  • the axis 9 of the profile rod can also be arranged such that it intersects the vector direction of the reaction force acting on the brake block unit 6 at right angles, the reaction force is then transmitted directly via the rollers 11 to the profile rod 8 and from this is transmitted to the vehicle frame via the pedestals 10; the brake pad unit 6 then no longer requires any special reaction force support, it is only necessary to ensure, for example, by designing the profile rod 8 and the rollers 11 in accordance with FIG. 8 to be described later, that the brake pad unit 6 does not rotate about the axis 9.
  • the brake block unit 6, which supports the brake block 4 and supports it by means of a pendulum lever 20, has a bearing block 21 on its upper side near its ends facing and away from the brake block 4, on which the lower end of a bracket can be rotated about a common axis 22 is essentially hinged vertical pendulum lever 23.
  • the axis 22 runs at least approximately parallel to the longitudinal direction of the rail vehicle, and the Pendulum lever 23 has a large width in the direction of the axis 22, such that it extends almost over the entire width of the brake block unit 6.
  • the upper end of the pendulum lever 23 is pivoted on the bearing blocks 21 opposite bearing blocks 24 about an axis of rotation 25 parallel to the axis 22, the two bearing blocks 24 are rigidly attached to the vehicle frame, not shown in the rest.
  • the two axes 22 and 25 are preferably realized by bearing bolts 26 which extend continuously between the respective two bearing blocks 21 and 24; However, it is also possible to provide each bearing block 21 or 24 with a short bearing pin which does not fully penetrate the pendulum lever 23.
  • a brake pad unit assigned to a vehicle wheel of a wheel set is provided on both sides of the rail vehicle, it is expedient, as can be seen from FIG. 2 for the brake pad unit 6, to connect the two brake pad units to one another by means of a tie rod 27.
  • the tie rod 27 can, as can be seen from FIG. 2, be rigidly connected to the brake pad units 6, but it is also possible to articulate the tie rod 27 in a manner which is not shown in a manner which can be deflected to a limited extent by interposing rubber bodies on the brake pad units 6.
  • the pendulum lever 23 With brake block units 6 located in the central position of their transverse displaceability and thus also associated wheel set located in the central position of their transverse displaceability, the pendulum lever 23 extends at least approximately vertically.
  • the wheel flange 3 of the vehicle wheel 1 lying in the direction of displacement runs against the brake pad 4 assigned to this vehicle wheel 1 and takes this brake pad 4 together with a brake pad unit 6 to the side; Via the tie rod 27, the brake block unit 6 on the other side is also moved laterally, so that its brake block 4 remains aligned with the running surface 2 of the rail vehicle wheel 1 assigned to it, which is opposite it.
  • the slight grinding of one brake pad 4 on the wheel flange 3 during side deflections causes negligibly small frictions and correspondingly negligible wear.
  • each brake block unit 6 two pendulum lifts 1: 23 offset to one another; the two pendulum levers 23 then form a parallelogram guide for the brake block unit 6.
  • the two mutually paraJlelen pendulum levers 23 can run vertically when the brake block unit 6 is in the middle position of the lateral displacement, it is. then, as described in relation to FIG. 1, to provide a spring corresponding to the spring 14, which constantly loads the brake pad unit in the direction of the median longitudinal plane of the vehicle.
  • a bogie frame of the rail vehicle can serve to hold the parts mentioned in each case.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Description

Die Erfindung betrifft eine Halterungsanordnung von Bremsklotzeinheiten an Schienenfahrzeugen mit querverschieblichen Radsätzen, mit einer Querbeweglichkeit der Bremsklotzeinheit relativ zum Fahrzeugrahmen, bezogen auf die Fahrzeuglängsrichtung.The invention relates to a mounting arrangement of brake block units on rail vehicles with transversely displaceable wheel sets, with a transverse mobility of the brake block unit relative to the vehicle frame, based on the longitudinal direction of the vehicle.

Eine derartige Halterungsanordnung ist aus der WO-A-80/00682 bekannt. Die Bremsklotzeinheit wird hierbei mittels in Fahrzeuglängsrichtung verlaufender Federbänder gehaltert, zusätzlich kann eine im wesentlichen vertikale Pendelhebelaufhängung mittels eines unten an der Bremsklotzeinheit und oben am Fahrzeugrahmen jeweils gelenkig gelagerten Hebels vorgesehen sein. Die bekannte Halterungsanordnung kann weiterhin im wesentlichen in Fahrzeuglängsrichtung verlaufende Federn zwischen der Bremsklotzeinheit und dem Fahrzeugrahmen aufweisen, welche der Einstellung einer Neutralposition dienen. Insoweit bietet die bekannte Halterungsanordnung keine Möglichkeit, daß eine einzelne Bremsklotzeinheit einer Seitenverschiebung des ihr zugeordneten Rades in Richtung der Spurkranzseite folgt. Zum Sicherstellen einer deratigen Folge-Verschiebung müssen bei der bekannten Halterungsanordnung jeweils zwei auf unterschiedlichen Fahrzeugseiten angeordnete Bremsklotzeinheiten durch eine Spurstange verbunden werden.Such a mounting arrangement is known from WO-A-80/00682. The brake pad unit is held here by means of spring straps running in the longitudinal direction of the vehicle. In addition, a substantially vertical pendulum lever suspension can be provided by means of a lever articulated at the bottom of the brake pad unit and at the top of the vehicle frame. The known mounting arrangement can furthermore have springs running essentially in the longitudinal direction of the vehicle between the brake block unit and the vehicle frame, which serve to set a neutral position. In this respect, the known mounting arrangement offers no possibility that a single brake block unit follows a side shift of the wheel assigned to it in the direction of the flange side. To ensure such a subsequent shift, two brake pad units arranged on different vehicle sides must be connected by a tie rod in the known mounting arrangement.

Es ist weiterhin bekannt, eine Bremsklotzeinheit mit einer begrenzt beweglichen, zumeist um ein nahe ihres rückwärtigen Endes befindliches Gelenk schwenkbar gehalterten Druckstange auszustatten, an deren vorderem Ende der Bremsklotz wiederum beweglich angelenkt ist. Diese Anordnungen sind jedoch nur für Radsätze geeignet, welche um nur geringe Wegstrecken querverschieblich gelagert sind.It is also known to equip a brake pad unit with a push rod which is movable to a limited extent and is usually held pivotably about a joint located near its rear end and at the front end of which the brake pad is in turn articulated. However, these arrangements are only suitable for wheel sets which are mounted such that they can be moved only a short distance.

Es ist des weiteren bekannt, Bremsklotzeinheiten um eine quer zur Längsrichtung des Fahrzeuges verlaufende Achse drehbar am Fahrzeugrahmen zu haltern ; die während der Bremsungen auf die Bremsklotzeinheiten wirkenden Reaktionskräfte werden dabei auf einen zweiten Bremsklotz abgeleitet, der an dem der Bremsklotzeinheit zugeordneten Fahrzeugrad gegenüberliegend zur Bremsklotzeinheit angeordnet ist bzw. einem anderen Fahrzeugrad zugeordnet ist.It is also known to mount brake block units on the vehicle frame so as to be rotatable about an axis running transversely to the longitudinal direction of the vehicle; the reaction forces acting on the brake block units during braking are derived from a second brake block which is arranged on the vehicle wheel assigned to the brake block unit opposite the brake block unit or is assigned to another vehicle wheel.

Bei Bremsgestängen mit einem Bremszylinder zum Andrücken einer Vielzahl von Bremsklötzen an die Räder mehrerer Radsätze ist es bekannt, die in Fahrzeugquerrichtung einander gegenüberliegenden, den beiden Rädern eines Radsatzes zugeordneten Bremsklötze mittels einer Spurstange miteinander zu verbinden und die beiden Bremsklötze samt Spurstange in Querrichtung des Fahrzeuges beweglich am Fahrzeugrahmen zu haltern. Die beiden Bremsklötze können hierbei den Querverbindungen von querverschieblichen Radsätzen gut folgen, wobei ihr gegenseitiger Abstand durch die Spurstange stet konstant gehalten wird und wobei die seitliche Lagesteuerung der Bremsklötze durch deren Anlaufen an die Spurkränze des Radsatzes erfolgt.In the case of brake linkages with a brake cylinder for pressing a plurality of brake pads against the wheels of a plurality of wheel sets, it is known to connect the brake pads opposite one another in the vehicle transverse direction and assigned to the two wheels of a wheel set by means of a tie rod, and the two brake pads together with the tie rod can be moved in the transverse direction of the vehicle to hold on the vehicle frame. The two brake pads can follow the cross-connections of displaceable wheel sets well, their mutual distance being kept constant by the tie rod and the lateral position control of the brake pads being effected by their approaching the wheel flanges of the wheel set.

Es ist Aufgabe der Erfindung, eine Halterungsanordnung der eingangs genannten Art zu schaffen, welche es ermöglicht, auch einem um ein großes Maß querverschieblichen Radsatz eine Bremsklotzeinheit zuzuordnen, wobei sichergestellt ist, daß der Bremsklotz der Bremsklotzeinheit stets in eine der Lage der ihm zugeordneten Radlauffläche entsprechende Lage eingestellt wird, wobei jedoch der Bauaufwand der Halterungsanordnung gering gehalten werden soll.It is an object of the invention to provide a mounting arrangement of the type mentioned, which makes it possible to assign a brake block unit to a wheel set which is displaceable to a large extent, it being ensured that the brake block of the brake block unit always corresponds to the position of the wheel tread assigned to it Position is set, but the construction cost of the bracket assembly should be kept low.

Diese Aufgabe wird nach der Erfindung gelöst durch eine elastische Belastung der Bremsklotzeinheit in Bewegungsrichtung zur Fahrzeuglängsmittelebene hin.This object is achieved according to the invention by an elastic loading of the brake block unit in the direction of movement towards the vehicle longitudinal center plane.

Die Unteransprüche zeigen nach der weiteren Erfindung vorteilhafte Ausgestaltungsmöglichkeiten für die Halterungsanordnung auf.According to the further invention, the subclaims show advantageous design options for the mounting arrangement.

In der Zeichnung sind mehrere Ausführungsbeispiele für nach der Erfindung ausgebildete Halterungsanordnungen schematisch dargestellt, und zwar zeigt

  • Figur 1 eine erste, aufgeschnittene Halterungsanordnung in Aufsicht,
  • Figur 2 eine zweite Halterungsanordnung in Stirnansicht und
  • Figur 3 die zweite Halterungsanordnung in Seitenansicht.
In the drawing, several exemplary embodiments for mounting arrangements designed according to the invention are shown schematically, and that shows
  • FIG. 1 shows a first, cut-away mounting arrangement in supervision,
  • Figure 2 shows a second bracket assembly in front view
  • Figure 3 shows the second bracket assembly in side view.

Gleiche Bezugszahlen beziehen sich dabei in allen Zeichnungen auf das gleiche oder einander entsprechende Teile.The same reference numbers refer to the same or corresponding parts in all drawings.

In Figur 1 ist ein Teil eines Schienenfahrzeugrades 1 eines im übrigen nicht gezeigten Radsatzes dargestellt, das Schienenfahrzeugrad 1 weist eine Lauffläche 2 und einen Spurkranz 3 auf. Das Schienenfahrzeug 1 ist, wie insgesamt nicht dargestellt, über eine Radsatzwelle mit einem zweiten Schienenfahrzeugrad starr verbunden, wobei die Spurkränze 3 beider Schienenfahrzeugräder einander zugewandt sind. Die beiden Schienenfahrzeugräder bilden zusammen mit der Radsatzwelle den Radsatz.FIG. 1 shows part of a rail vehicle wheel 1 of a wheel set, which is otherwise not shown, the rail vehicle wheel 1 has a tread 2 and a wheel flange 3. As not shown overall, the rail vehicle 1 is rigidly connected to a second rail vehicle wheel via a wheel set shaft, the wheel flanges 3 of both rail vehicle wheels facing one another. The two rail vehicle wheels together with the wheelset shaft form the wheelset.

Der Lauffläche 2 steht mit geringem Abstand ein in Aufsicht ersichtlicher Bremsklotz 4 gegenüber, der während Bremsungen an die Lauffläche 2 angepreßt wird. Der Bremsklotz 4 ist an einer Druckstange 5 einer Bremsklotzeinheit 6 gehaltert. Die Bremsklotzeinheit 6 ist an ihrer Oberseite starr mit einem hülsenartigen Gehäuse 7 verbunden, welches von einer im Querschnitt runden Profilstange 8 verschieblich durchgriffen ist. Die Achse 9 der Profilstange 8 verläuft quer zur Längsrichtung des Fahrzeuges bzw. wenigstens annähernd parallel zur Achsrichtung des Radsatzes. Die beiden Enden der Profilstange 8 sind in Lagerböcken 10 gehaltert, welche starr mit dem Rahmen des Schienenfahrzeuges verbunden sind ; der Abstand der beiden Lagerböcke 10 ist größer als die Länge des Gehäuses 7. Im Gehäuse 7 befinden sich nahe dessen Enden jeweils zwei einander gegenüberstehende Rollen 11, welche um gehäusefeste Achsen 12 drehbar sind. Die Rollen 11 weisen, wie später zu Figur 7 noch beschrieben, eine dem Außenumfang der Profilstange 8 angepaßte, konkave Umfangsfläche auf, mit welcher sie auf der Profilstange 8, diese teilweise umgreifend, abrollbar sind. Zwischen dem Gehäuse 7 und dem durch die strichpunktierte Linie 13 angedeuteten Längsmittelebene des Schienenfahrzeuges abgewandten Lagerbock 10 ist eine Feder 14 eingespannt, welche auf den Rahmen 7 eine ständig wirksame, in Verschieberichtung zur Fahrzeuglängsmittelebene 13 hin gerichtete Kraft ausübt.The tread 2 is at a short distance from a brake pad 4 visible in supervision, which is pressed against the tread 2 during braking. The brake pad 4 is held on a push rod 5 of a brake pad unit 6. The brake pad unit 6 is rigidly connected on its upper side to a sleeve-like housing 7, which is displaceably penetrated by a profile rod 8 which is round in cross section. The axis 9 of the profile rod 8 runs transversely to the longitudinal direction of the vehicle or at least approximately parallel to the axial direction of the wheel set. The two ends of the profile rod 8 are held in pedestals 10 which are rigidly connected to the frame of the rail vehicle; the distance between the two bearing blocks 10 is greater than the length of the housing 7. Im Housing 7 are located near the ends of each two opposing rollers 11 which are rotatable about axes 12 fixed to the housing. As will be described later in relation to FIG. 7, the rollers 11 have a concave circumferential surface adapted to the outer circumference of the profile rod 8, with which they can be rolled on the profile rod 8, partially encompassing them. A spring 14 is clamped between the housing 7 and the bearing block 10 facing away from the longitudinal median plane of the rail vehicle, indicated by the dash-dotted line 13, which exerts a constantly effective force in the direction of displacement towards the median longitudinal plane 13.

In der Darstellung nach Figur 1 befindet sich der.das Schienenfahrzeug 1 aufweisende Radsatz innerhalb seiner Querverschieblichkeit in seiner rechten Endstellung, und auch das Gehäuse 7 und damit auch die Bremsklotzeinheit 6 befinden sich in ihren rechten Endstellungen, wobei das Gehäuse 7 am rechten, der Fahrzeuglängsmittelebene 13 näherliegenden Lagerbock 10 anliegt. Der Bremsklotz 4 befindet sich dabei, wie dargestellt, mit geringem Abstand vor der Lauffläche 2 und kann bei Bremsbetätigung durch die Bremskotzeinheit 6 korrekt an die Lauffläche 2 angepreßt werden. Verschiebt sich der Radsatz mit dem Schienenfahrzeug 1 gemäß Figur 1 nach links, so läuft der Spurkranz 3 an die ihm zugewandte Seitenkante des Bremsklotzes 4 an und drückt diesen entsprechend nach links ; über die Druckstange 5 wird dabei vom Bremsklotz 4 die Bremsklotzeinheit 6 und das Gehäuse 7 mitgenommen, weil die Rollen 11 auf der Profilstange 6 abrollen und die Feder 14 entsprechend komprimiert wird. Auch in diesen neuen Lagen ist der Bremsklotz 4 vermittels der Bremsklotzeinheit 6 korrekt an die Lauffläche 2 des Schienenfahrzeuges 1 anpreßbar. Verschiebt sich der Radsatz mit dem Schienenfahrzeugrad 1 innerhalb seiner Querverschieblichkeit wiederum nach rechts, so führt die Feder 14 unter entsprechender Entspannung durch Verschieben des Geschäuses 7 und damit der Bremsklotzeinheit 6 den Bremsklotz 4 dieser Querverschiebebewegung nach, wobei durch Abrollen der Rollen 11 auf der Profilstange 8 die Bewegungswiderstände gering sind. Auf diese Weise wird der Bremsklotz 4 stets in einer der Lauffläche 2 des Schienenfahrzeugrades 1 ausgerichtet gegenüberstehenden Lage gehalten, so daß er bei Bremsbetätigung korrekt an die Lauffläche 2 anpreßbar ist. Die Querbewegungen der Bremsklotzeinheit 6 können dabei mit geringem Kraftaufwand erfolgen, da die Rollen 11 einen niedrigen Bewegungs- bzw. Reibungswiderstand gewährleisten ; die Feder 14 kann schwach dimensioniert werden, so daß der Bremsklotz 4 mit höchstens geringer Kraft am Spurkranz 3 anliegt bzw. schleift, wodurch kein bemerkenswerter Reibungswiderstand für das Schienenfahrzeugrad 1 und auch kein nenneswerter Verschleiß für den Spurkranz 3 und den Bremsklotz 4 verursacht werden.In the illustration according to FIG. 1, the wheel set comprising the rail vehicle 1 is within its transverse displaceability in its right end position, and also the housing 7 and thus also the brake pad unit 6 are in their right end positions, the housing 7 being on the right, the vehicle longitudinal median plane 13 closer bearing block 10 is present. The brake pad 4 is located, as shown, at a short distance in front of the tread 2 and can be correctly pressed against the tread 2 by the brake pusher unit 6 when the brake is actuated. If the wheel set with the rail vehicle 1 shifts to the left according to FIG. 1, the wheel flange 3 runs against the side edge of the brake pad 4 facing it and presses it accordingly to the left; Via the push rod 5, the brake block unit 6 and the housing 7 are taken along by the brake block 4 because the rollers 11 roll on the profile rod 6 and the spring 14 is compressed accordingly. In these new positions, too, the brake pad 4 can be pressed correctly against the tread 2 of the rail vehicle 1 by means of the brake pad unit 6. If the wheel set with the rail vehicle wheel 1 again moves to the right within its transverse displaceability, the spring 14 guides the brake block 4 of this transverse displacement movement with appropriate relaxation by displacing the housing 7 and thus the brake block unit 6, by rolling the rollers 11 on the profile rod 8 the resistance to movement is low. In this way, the brake pad 4 is always held in an aligned opposite position to the tread 2 of the rail vehicle wheel 1, so that it can be pressed correctly onto the tread 2 when the brake is actuated. The transverse movements of the brake pad unit 6 can take place with little effort, since the rollers 11 ensure a low resistance to movement or friction; the spring 14 can be dimensioned weak, so that the brake pad 4 abuts or rubs against the wheel flange 3 with at most little force, as a result of which no remarkable frictional resistance for the rail vehicle wheel 1 and also no significant wear for the wheel flange 3 and the brake block 4 are caused.

Wird während Bremsungen der Bremsklotz 4 mittels der Bremsklotzeinheit 6 an die Lauffläche 2 angepreßt, so tritt an der Bremsklotzeinheit 6 eine diese in Entfernungsrichtung von der Lauffläche 2 belastende Reaktionskraft auf. Zur Aufnahme dieser Reaktionskraft ist die Bremsklotzeinheit 6 auf ihrer dem Schienenfahrzeugrad 1 abgewandten Seite mit einem Lagerbock 15 versehen, an welchem um eine im wesentlichen vertikale Achse 16 schwenkbar ein horizontal oder schräg nach oben verlaufender Hebel 17 als Drehmomentstütze gelenkt ist, dessen anderes Ende über eine ebenfalls im wesentlichen vertikale Achse 18 schwenkbar an einer Lagerstelle 19 des Schienenfahrzeugrahmens angelenkt ist. Durch den Hebel 17 werden die Reaktionskräfte von der Bremsklotzeinheit 6 auf den Schienenfahrzeugrahmen abgeleitet. Bei Querbewegungen der Bremsklotzeinheit 6 schwenkt der Hebel 17 entsprechend um die Achsen 16 und 18. Da hierbei die Rollen 11 von den Reaktionskräften entlastet sind, kann es zweckmäßig sein, die Achsen 12 um 90° verdreht um die Achse 9, also horizontal verlaufend anzuordnen, so daß sich die Rollen 11 oberhalb und unterhalb der Profilstange 8 befinden.If, during braking, the brake pad 4 is pressed against the tread 2 by means of the brake pad unit 6, a reaction force which loads it in the distance direction from the tread 2 occurs on the brake pad unit 6. To absorb this reaction force, the brake block unit 6 is provided on its side facing away from the rail vehicle wheel 1 with a bearing block 15, on which a horizontally or obliquely upwardly extending lever 17 is pivoted about a substantially vertical axis 16 as a torque support, the other end of which via a also essentially vertical axis 18 is pivotally connected to a bearing 19 of the rail vehicle frame. The reaction forces are derived from the brake block unit 6 onto the rail vehicle frame by the lever 17. In the event of transverse movements of the brake block unit 6, the lever 17 pivots accordingly about the axes 16 and 18. Since the rollers 11 are relieved of the reaction forces here, it can be expedient to arrange the axes 12 rotated by 90 ° around the axis 9, that is to say horizontally, so that the rollers 11 are above and below the profile rod 8.

Abweichend zur vorstehend erläuterten Reaktionskraftableitung mittels des Hebels 17 kann die Bremsklotzeinheit 6 in nicht dargestellter bzw. aus Figur 1 nicht ersichtlicher Weise mit einer zweiten, den Teilen 7 bis 12 und gegebenenfalls zusätzlich der Feder 14 entsprechenden weiteren Führungseinrichtung ausgestattet sein, wobei die Achse der Profilstange dieser weiteren Führungseinrichtung parallel zur Achse 9 verläuft. Die Reaktionskraft wird dann von der Bremsklotzeinheit 6 über die beiden räumlich zueinander versetzt angeordneten Führungseinrichtungen auf den Fahrzeugrahmen abgeleitet.In a departure from the reaction force derivation explained above by means of the lever 17, the brake pad unit 6 can be equipped in a manner not shown or not shown in FIG. 1 with a second additional guide device corresponding to parts 7 to 12 and optionally also the spring 14, the axis of the profile rod this further guide device runs parallel to axis 9. The reaction force is then derived from the brake pad unit 6 on the vehicle frame via the two guide devices which are arranged spatially offset from one another.

Falls es die bauliche Ausgestaltung der Bremsklotzeinheit 6 erlaubt, kann die Achse 9 der Profilstange auch derart angeordnet werden, daß sie die Vektorrichtung der auf die Bremsklotzeinheit 6 einwirkenden Reaktionskraft rechtwinklig schneidet, die Reaktionskraft wird dann unmittelbar über die Rollen 11 auf die Profilstange 8 und von dieser über die Lagerböcke 10 auf den Fahrzeugrahmen übertragen ; die Bremsklotzeinheit 6 bedarf dann keiner besonderen Reaktionskraft-Abstützung mehr, es muß lediglich beispielsweise durch Ausgestaltung der Profilstange 8 und der Rollen 11 entsprechend der später zu beschreibenden Figur 8 dafür gesorgt werden, daß sich die Bremsklotzeinheit 6 nicht um die Achse 9 dreht.If the structural design of the brake block unit 6 permits, the axis 9 of the profile rod can also be arranged such that it intersects the vector direction of the reaction force acting on the brake block unit 6 at right angles, the reaction force is then transmitted directly via the rollers 11 to the profile rod 8 and from this is transmitted to the vehicle frame via the pedestals 10; the brake pad unit 6 then no longer requires any special reaction force support, it is only necessary to ensure, for example, by designing the profile rod 8 and the rollers 11 in accordance with FIG. 8 to be described later, that the brake pad unit 6 does not rotate about the axis 9.

Nach Figur 2 und 3 weist die den Bremsklotz 4 tragende und mittels eines Pendelhebels 20 abstützende Bremsklotzeinheit 6 an ihrer Oberseite nahe ihren dem Bremsklotz 4 zu- und abgewandten Enden je einen Lagerbock 21 auf, an welchem um eine gemeinsame Achse 22 drehbar das untere Ende eines im wesentlichen vertikalen Pendelhebels 23 angelenkt ist. Die Achse 22 verläuft wenigstens annähernd parallel zur Längsrichtung des Schienenfahrzeuges, und der Pendelhebel 23 weist in Richtung der Achse 22 eine große Breite auf, derart, daß er sich nahezu über die ganze Breite der Bremsklotzeinheit 6 erstreckt. Das obere Ende des Pendelhebels 23 ist an den Lagerböcken 21 gegenüberstehenden Lagerböcken 24 um eine zur Achse 22 parallele Drehachse 25 drehbar angelenkt, die beiden Lagerböcke 24 sind starr am im übrigen nicht dargestellten Fahrzeugrahmen befestigt. Die beiden Achsen 22 und 25 werden bevorzugt durch zwischen den jeweils beiden Lagerböcken 21 bzw. 24 sich ununterbrochen streckende Lagerbolzen 26 realisiert ; es ist jedoch auch möglich, jeden Lagerbock 21 bzw. 24 mit einem kurzen, den Pendelhebel 23 nicht-voll durchgreifenden Lagerbolzen zu versehen.According to FIGS. 2 and 3, the brake block unit 6, which supports the brake block 4 and supports it by means of a pendulum lever 20, has a bearing block 21 on its upper side near its ends facing and away from the brake block 4, on which the lower end of a bracket can be rotated about a common axis 22 is essentially hinged vertical pendulum lever 23. The axis 22 runs at least approximately parallel to the longitudinal direction of the rail vehicle, and the Pendulum lever 23 has a large width in the direction of the axis 22, such that it extends almost over the entire width of the brake block unit 6. The upper end of the pendulum lever 23 is pivoted on the bearing blocks 21 opposite bearing blocks 24 about an axis of rotation 25 parallel to the axis 22, the two bearing blocks 24 are rigidly attached to the vehicle frame, not shown in the rest. The two axes 22 and 25 are preferably realized by bearing bolts 26 which extend continuously between the respective two bearing blocks 21 and 24; However, it is also possible to provide each bearing block 21 or 24 with a short bearing pin which does not fully penetrate the pendulum lever 23.

Falls beidseitig am Schienenfahrzeug je eine einem Fahrzeugrad eines Radsatzes zugeordnete Bremsklotzeinheit vorgesehen ist, ist es zweckmäßig, wie aus Figur 2 zur Bremsklotzeinheit 6 ersichtlich, die beiden Bremsklotzeinheiten durch eine Spurstange 27 miteinander zu verbinden. Die Spurstange 27 kann dabei, wie aus Figur 2 ersichtlich, starr mit den Bremsklotzeinheiten 6 verbunden sein, es ist jedoch auch möglich, die Spurstange 27 in nicht dargestellter Weise begrenzt elastisch auslenkbar durch Zwischenordnen von Gummikörper an den Bremsklotzeinheiten 6 anzulenken. Bei in Mittellage ihrer Querverschieblichkeit befindlichen Bremsklotzeinheiten 6 und damit auch in der Mittellage seiner Querverschieblichkeit befindlichem, zugeordneten Radsatz verläuft der Pendelhebel 23 wenigstens annähernd vertikal. Wird der Radsatz zu einer Seite verschoben, so läuft der Spurkranz 3 des in Verschieberichtung liegenden Fahrzeugrades 1 an den diesem Fahrzeugrad 1 zugeordneten Bremsklotz 4 an und nimmt diesen Bremsklotz 4 mitsamt einer Bremsklotzeinheit 6 seitlich mit ; über die Spurstange 27 wird dabei auch die andersseitige Bremsklotzeinheit 6 seitlich mitbewegt, so daß auch deren Bremsklotz 4 ausgerichtet zur ihm gegenüberstehenden Lauffläche 2 des ihm zugeordneten Schienenfahrzeugrades 1 verbleibt. Auch hier bewirkt das leichte Schleifen jeweils eines Bremsklotzes 4 am Spurkranz 3 während Seitenauslenkungen vernachlässigbar kleine Reibungen und entsprechend vernachlässigbar geringen Verschleiß.If a brake pad unit assigned to a vehicle wheel of a wheel set is provided on both sides of the rail vehicle, it is expedient, as can be seen from FIG. 2 for the brake pad unit 6, to connect the two brake pad units to one another by means of a tie rod 27. The tie rod 27 can, as can be seen from FIG. 2, be rigidly connected to the brake pad units 6, but it is also possible to articulate the tie rod 27 in a manner which is not shown in a manner which can be deflected to a limited extent by interposing rubber bodies on the brake pad units 6. With brake block units 6 located in the central position of their transverse displaceability and thus also associated wheel set located in the central position of their transverse displaceability, the pendulum lever 23 extends at least approximately vertically. If the wheel set is shifted to one side, the wheel flange 3 of the vehicle wheel 1 lying in the direction of displacement runs against the brake pad 4 assigned to this vehicle wheel 1 and takes this brake pad 4 together with a brake pad unit 6 to the side; Via the tie rod 27, the brake block unit 6 on the other side is also moved laterally, so that its brake block 4 remains aligned with the running surface 2 of the rail vehicle wheel 1 assigned to it, which is opposite it. Here, too, the slight grinding of one brake pad 4 on the wheel flange 3 during side deflections causes negligibly small frictions and correspondingly negligible wear.

Sollte am Schienenfahrzeug kein Raum für das Anbringen einer Spurstange 27 vorhanden sein, so kann es zweckmäßig sein, abweichend zur vorgeschriebenen Ausführung je Bremsklotzeinheit 6: zwei seitlich zueinander versetzte Pendelhebe.1: 23 anzuordnen ; die beiden Pendelhebel 23 bilden dann eine Parallelogrammführung für die Bremsklotzeinheit 6. Die beiden zueinander paraJlelen Pendelhebel 23 können dabei bei in der Mittelstellung der Seitenverschieblichkeit befindlicher Bremsklotzeinheit 6 vertikal verlaufen, es ist. dann, wie zu Figur 1 beschrieben, eine der Feder 14 entsprechende Feder vorzusehen, welche die Bremsklotzeinheit ständig in Richtung zur Fahrzeuglängsmittelebene hin belastet. Abweichend hierzu kann es jedoch auch zweckmäßig sein, die beiden zueinander parallelen Pendelhebel bei in Mittelstellung befindlicher Bremsklotzeinheit schräg nach unten zur Fahrzeugaußenseite hin verlaufend anzuordnen, das Gewicht der Bremsklotzeinheit 6 ergibt dann über die schrägen Pendelhebel 23 eine die Kraft der vorerwähnten Feder ersetzende Seitenkraft-Komponente, so daß die erwähnte Feder entfallen kann.If there is no space on the rail vehicle for attaching a tie rod 27, it may be appropriate to deviate from the prescribed design for each brake block unit 6: two pendulum lifts 1: 23 offset to one another; the two pendulum levers 23 then form a parallelogram guide for the brake block unit 6. The two mutually paraJlelen pendulum levers 23 can run vertically when the brake block unit 6 is in the middle position of the lateral displacement, it is. then, as described in relation to FIG. 1, to provide a spring corresponding to the spring 14, which constantly loads the brake pad unit in the direction of the median longitudinal plane of the vehicle. Deviating from this, however, it may also be expedient to arrange the two mutually parallel pendulum levers obliquely downward toward the outside of the vehicle when the brake block unit is in the central position; the weight of the brake block unit 6 then gives, via the inclined pendulum levers 23, a lateral force component which replaces the force of the aforementioned spring , so that the spring mentioned can be omitted.

Bei allen vorstehend erwähnten Ausführungsbeispielen ist es selbstverständlich, daß anstelle des Fahrzeugrahmens ein Drehgestellrahmen des Schienenfahrzeuges zur Halterung der jeweils erwähnten Teile dienen kann.In all the above-mentioned exemplary embodiments, it goes without saying that, instead of the vehicle frame, a bogie frame of the rail vehicle can serve to hold the parts mentioned in each case.

Claims (3)

1. Mounting means of block brake units (6) for . rail vehicles with laterally displaceable wheel sets in which the block brake unit (6) is capable of moving perpendicularly to the vehicle longitudinal direction, relative to the vehicle frame, wherein an elastic load (spring 14) acts on the block brake unit (6) towards the vehicle longitudinal centre plane (13).
2. Mounting means according to Claim 1, wherein a spring (14) loads the block brake unit (6) in the direction towards the vehicle longitudinal centre plane (13).
3. Mounting means according to Claim 1 or 2, with an essentially vertical pendular lever (23), pivoted at the lower end at the block brake unit (6) and at the upper end at the vehicle frame (support bracket 24) around rotational axes (22, 25) running, in close approximation, in longitudinal direction of the vehicle, wherein the pendular lever (23) has a large width in the direction of the rotational axes (22, 25), relative to its height.
EP85101483A 1984-03-13 1985-02-12 Mounting arrangement of brake shoe units on railway vehicles Expired EP0156143B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3409158 1984-03-13
DE19843409158 DE3409158A1 (en) 1984-03-13 1984-03-13 BRACKET ASSEMBLY OF BRAKE PAD UNITS ON RAIL VEHICLES

Publications (2)

Publication Number Publication Date
EP0156143A1 EP0156143A1 (en) 1985-10-02
EP0156143B1 true EP0156143B1 (en) 1987-05-27

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EP85101483A Expired EP0156143B1 (en) 1984-03-13 1985-02-12 Mounting arrangement of brake shoe units on railway vehicles

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DE (2) DE3409158A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3816157A1 (en) * 1988-05-11 1989-11-23 Thyssen Industrie Suspension for brake block units on rail vehicles with transversely displaceable wheel sets
DE4033405A1 (en) * 1990-10-20 1991-10-10 Krupp Maschinentechnik Holder for block brake units - is for transversally displaceable wheel sets and has suspended plates carrying brake units attached pendulum-fashion to locomotive frame
DE4316128A1 (en) * 1993-05-13 1994-11-17 Knorr Bremse Ag Bracket assembly for transverse brake pad units on rail vehicles
DE4403013C1 (en) * 1994-02-01 1995-06-29 Knorr Bremse Systeme Arrangement for suspending and supporting block brake units for rail vehicles
DE4402995C1 (en) * 1994-02-01 1995-05-24 Knorr Bremse Systeme Block brake system for rail vehicles
US8360214B2 (en) * 2009-04-09 2013-01-29 Wabtec Holding Corp. Brake shoe support assembly and method
CN103640593B (en) * 2013-11-26 2016-03-02 南车株洲电力机车有限公司 A kind of guide composition structure of installing for tread brake device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE465770C (en) *
DE66017C (en) * J. grimme in Bochum, Kaisers«. 11 Brake pad hanger
DE537377C (en) * 1930-07-26 1931-11-03 Eisenbahn Verkehrsmittel Akt G Brake pad suspension for vehicles with variable gauges, especially rail transport vehicles
SE7810162L (en) * 1978-09-28 1980-03-29 Sab Ind Ab INSTALLATION ARRANGEMENTS FOR A BRAKE ACTUATOR IN A RAILWAY VEHICLE

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DE3560194D1 (en) 1987-07-02
EP0156143A1 (en) 1985-10-02
DE3409158A1 (en) 1985-09-19

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