EP3541679B1 - Bogie of a railway wagon - Google Patents

Bogie of a railway wagon Download PDF

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Publication number
EP3541679B1
EP3541679B1 EP17797151.2A EP17797151A EP3541679B1 EP 3541679 B1 EP3541679 B1 EP 3541679B1 EP 17797151 A EP17797151 A EP 17797151A EP 3541679 B1 EP3541679 B1 EP 3541679B1
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EP
European Patent Office
Prior art keywords
hydraulic
axle bearing
axle
bearing
pivoting
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EP17797151.2A
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German (de)
French (fr)
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EP3541679A1 (en
Inventor
Jürgen SCHROETER
Jan BABKA
Volker Gedenk
Peter LUCZYK
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ContiTech Luftfedersysteme GmbH
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ContiTech Luftfedersysteme GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/307—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating fluid springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
    • B61F5/32—Guides, e.g. plates, for axle-boxes
    • B61F5/325—The guiding device including swinging arms or the like to ensure the parallelism of the axles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Definitions

  • the invention relates to a railway bogie comprising at least one axle bearing housing for receiving a wheel bearing, a hydraulic spring and a bridging adapter, the hydraulic spring being arranged between a first end of the axle bearing housing and a first end of the bridging adapter.
  • the invention also relates to a rail freight car.
  • a bogie with a helical spring is known from the UIC standard, the axle bearing housing suspension consisting of helical springs in combination with friction damping.
  • the springs rest on support arms which are integrated in the lower part of the axle box and which are connected to the bogie frame, using caps which are integrated into the bogie frame to receive the upper part of the springs.
  • the two axles are suspended by a total of 16 spiral springs, each of which has 2 springs coiled in opposite directions inserted into one another. There are four such pairs of springs on each wheel set. Since the spiral springs do not have their own damping, so-called Lenoir dampers are used in the Y25 bogies.
  • the contact surfaces of the Lenoir dampers and the axlebox bearing housings are made of hard manganese steel plates. Axial forces and longitudinal forces are implemented via end stops with hard manganese steel plates as the contact surface.
  • the US 2002-0089102 A1 discloses a hydraulic spring having a diaphragm. It is also disclosed there that said hydraulic spring is used in rail vehicles, in particular as a primary spring.
  • the EP 1 369 616 A1 discloses a hydraulic spring comprising a gas-filled cavity of conical shape and a volume that is variable by compression.
  • An application of the proposed hydraulic spring as a primary spring for rail vehicles is also disclosed.
  • the WO 2005/091698 A2 discloses a journal box spring unit of a railway bogie which has two hydraulic springs and a journal box.
  • the axle bearing housing is designed in such a way that it has an integrally formed space for a hydraulic fluid of the hydraulic spring for each of the two hydraulic springs. Further to the state of the art, refer to the JP H11 94012 A to refer.
  • the railway bogie comprises at least one axle bearing housing for receiving a wheel bearing, a hydraulic spring and a bridging adapter, wherein the hydraulic spring is arranged between a first end of the axle bearing housing and a first end of the bridging adapter and is characterized by the fact that the second end of the axle bearing housing and the second end of the bridging adapter are rotatably connected by means of a pivot bearing.
  • the advantage here is that the Pivot bearings acting on the axle bearing housing longitudinal forces and transverse forces can be absorbed and thus corresponding stops can be dispensed with and a stopless power transmission can be realized.
  • the hydraulic spring acts here preferably as a rubber hydraulic element and has both suspension and damping properties. It acts here as a primary suspension, which essentially takes over the suspension and can be implemented through the interaction with the pivot bearing without stops in the longitudinal direction and transverse direction.
  • the bridging adapter can be fixed to a longitudinal beam of the railway bogie and that the axle bearing housing is arranged in the longitudinal direction between the hydraulic spring and the pivot bearing. This ensures that the vertical movements of the individual wheel of the bogie are amplified in accordance with the lever specified by the distance between the pivot bearing and the hydraulic spring and the distance between the pivot bearing and the wheel bearing, whereby greater spring travel is achieved.
  • the advantage here is that a desired spring characteristic can be better represented over the longer spring travel.
  • the railway bogie has two axles with two axle bearing housings each, the axle bearing housings arranged next to one another in the longitudinal direction on the same side member being arranged in such a way that the two pivot bearings are adjacent opposite one another and the two hydraulic springs are at the opposite ends of the two axle bearing housings are arranged.
  • the advantage here is that the built-in hydraulic springs in this arrangement have the greatest possible distance from one another, since they are arranged at the corners of the bogie.
  • a guide of the wheelset in the bogie is thus optimized, as the hydraulic springs in this arrangement have the least influence on each other's movements.
  • the pivot bearing enables a pivoting movement of the axle bearing housing relative to the longitudinal member.
  • An angle of 15 degrees, particularly preferably 10 degrees, is preferred here, by which the axle bearing can pivot relative to the longitudinal member.
  • the axle bearing housing can rotate relative to the longitudinal member in addition to its pivoting movement. This rotational movement, which is orthogonal to the pivot axis, enables stable guidance of the wheel set without constraining forces when an axis is tilted with respect to the bogie.
  • the pivot bearing is preferably constructed in such a way that it can implement a tilt angle of 10 degrees, preferably 5 degrees, orthogonally to the pivot axis.
  • the pivot bearing is designed as a rubber-elastic pivot bearing and the bridging adapter is coupled to an axle bolt of the pivot bearing.
  • the axle bolt can preferably be of spherical design and an outer ring of the pivot bearing can have a correspondingly bulged shape.
  • a resilient and / or damping elastomer or rubber element can be arranged between the axle bolt and the outer ring, so that both the pivoting and the tilting is made possible via the elastomer or rubber element.
  • the pivot bearing is designed as a rubber-hydraulic element which has a rubber-elastic part and a hydraulic part.
  • a suspension and damping can also be implemented.
  • the pivot bearing can act as a rotary damper.
  • the pivot bearing also act as a vertical damper and / or vertical spring and / or as a horizontal damper and / or horizontal spring.
  • the pivot bearing acting as a secondary damper / secondary spring preferably has a different rigidity than the hydraulic spring acting as a primary spring. This difference in stiffness results in improved running stability of the wheelset and thus of the bogie.
  • the hydraulic spring is designed as an exchangeable structural unit, which has a cup-like area receiving a hydraulic fluid, a plunger that can be displaced relative to the cup-like area and an elastic element connecting the cup-like area and the plunger with one another, the bridging adapter with the Cup-like area is coupled and the axle bearing housing is coupled to the punch.
  • This arrangement in which the hydraulic fluid is arranged at the top, enables the hydraulic spring to be accommodated in a particularly simple manner on the bridging adapter and in the axle housing.
  • An exchange of such a hydraulic spring designed as a module is particularly easy in the case of repair work.
  • the hydraulic spring can on the one hand be screwed to the bridging adapter and fastened in an opening of the axle bearing housing by means of a vertical bolt.
  • the invention further relates to a rail freight car with a railroad bogie according to the invention.
  • the arrangement of a railroad bogie according to the invention in a railroad freight wagon results in the advantage that a particularly cost-effective design for freight wagons is realized in which the disadvantages of previous railroad freight wagons such as noise and wear are reliably avoided.
  • FIG. 1 shows a perspective view of a section of a bogie according to the invention.
  • the bogie comprises an axle bearing housing 10 with a roller bearing 4 which is mounted in the central area of the axle bearing housing 10.
  • the roller bearing 4 supports one end of one of the two axles of the bogie.
  • a base of the axle bearing housing 10 is widened to the right and left and forms on its left side, the first end, a receiving area for the hydraulic spring 12.
  • the hydraulic spring 12 is inserted into the axle bearing housing by means of a bolt.
  • On its extended right side, the second end, the axle bearing housing 10 receives the pivot bearing 8.
  • the bridging adapter 50 is connected at its first end to the hydraulic spring 12 and at its second end to the pivot bearing 8 and thus connects the hydraulic spring 12 to the pivot bearing 8.
  • the bridging adapter is itself connected to the longitudinal beam 6 of the railway bogie.
  • the pivot bearing 8 is designed in at least two parts, a first part, indicated here as an outer part, being connected to the axle bearing housing 10 and a second part, indicated here as a bolt, being screwed to the bridging adapter. In the position shown, the axle housing can be pivoted through an angle of approximately 5 degrees in both directions to the longitudinal member 6 via the pivot bearing 8.
  • the pivot bearing 8 can also be implemented differently between the axle bearing housing 10 and the bridging adapter 50.
  • a bolt of the pivot bearing 8 can be connected to the bridging adapter 50 by means of any other connecting elements.
  • the bridging adapter 50 is connected to a longitudinal beam 6 of a bogie frame, this longitudinal beam 6 extending in a longitudinal direction which runs parallel to the rails and in Fig. 1 is not shown in section.
  • the bridging adapter 50 is preferably connected to the longitudinal beam 6 by means of welding.
  • the hydraulic spring 12 is designed in its upper half with a pot-like area which receives the hydraulic fluid in the interior (not shown). A corresponding coupling piece of the bridging adapter 50 is screwed to the pot-like area.
  • the lower half of the hydraulic spring 12 is designed as a bolt and inserted into the axle bearing housing 10. Not shown is a stamp in the interior of the hydraulic spring 12 which is coupled to the bolt and which is displaceable relative to the pot-like area. Also not shown in detail are elastic elements which couple the punch and the pot-like area to one another.
  • the transition from the area of the axle bearing housing 10 which accommodates the axle bearing to the area which accommodates the hydraulic spring 12 can be adapted in accordance with the shape of the tapered hydraulic cylinder in this area, as in FIG Figure 1 evident.
  • the hydraulic spring 12 can, in individual details, correspond to those already cited WO 2005/091698 A2 be executed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Support Of The Bearing (AREA)

Description

Die Erfindung betrifft ein Eisenbahndrehgestell, umfassend wenigstens ein Achslagergehäuse zur Aufnahme eines Radlagers, eine Hydraulikfeder und einen Überbrückungsadapter, wobei zwischen einem ersten Ende des Achslagergehäuses und einem ersten Ende des Überbrückungsadapters die Hydraulikfeder angeordnet ist. Weiterhin betrifft die Erfindung einen Eisenbahngüterwagen.The invention relates to a railway bogie comprising at least one axle bearing housing for receiving a wheel bearing, a hydraulic spring and a bridging adapter, the hydraulic spring being arranged between a first end of the axle bearing housing and a first end of the bridging adapter. The invention also relates to a rail freight car.

Ein Drehgestell mit einer Schraubenfeder ist aus dem UIC-Standard bekannt, wobei die Achslagergehäuseaufhängung aus Schraubenfedern in Kombination mit Reibungsdämpfung besteht. Dabei ruhen die Federn auf Unterstützungsarmen, die in dem unteren Teil des Achslagergehäuses integriert sind und die mit dem Drehgestellrahmen verbunden sind, wobei Kappen eingesetzt werden, die in den Drehgestellrahmen integriert sind, um den oberen Teil der Federn aufzunehmen.
In den Drehgestellen der Y25 Bauart erfolgt eine Federung der beiden Achsen über insgesamt 16 Spiralfedern, bei denen jeweils 2 gegenläufig gewendelte Federn ineinander gesteckt sind. An jedem Radsatz befinden sich somit vier solcher Federpaare. Da die Spiralfedern über keine eigene Dämpfung verfügen werden in den Y25 Drehgestellen sogenannte Lenoir Dämpfer eingesetzt. Die Lenoir Dämpfer und die Radsatzlagergehäuse sind in ihren Berührungsflächen mit Hartmanganstahlplatten ausgeführt. Axiale Kräfte und Längskräfte werden über Endanschläge mit Hartmanganstahlplatten als Berührungsfläche realisiert.A bogie with a helical spring is known from the UIC standard, the axle bearing housing suspension consisting of helical springs in combination with friction damping. The springs rest on support arms which are integrated in the lower part of the axle box and which are connected to the bogie frame, using caps which are integrated into the bogie frame to receive the upper part of the springs.
In the bogies of the Y25 design, the two axles are suspended by a total of 16 spiral springs, each of which has 2 springs coiled in opposite directions inserted into one another. There are four such pairs of springs on each wheel set. Since the spiral springs do not have their own damping, so-called Lenoir dampers are used in the Y25 bogies. The contact surfaces of the Lenoir dampers and the axlebox bearing housings are made of hard manganese steel plates. Axial forces and longitudinal forces are implemented via end stops with hard manganese steel plates as the contact surface.

Die US 2002-0089102 A1 offenbart eine hydraulische Feder, die eine Membran aufweist. Dort ist auch offenbart, dass die besagte hydraulische Feder in Schienenfahrzeugen, insbesondere als eine primäre Feder eingesetzt wird.the US 2002-0089102 A1 discloses a hydraulic spring having a diaphragm. It is also disclosed there that said hydraulic spring is used in rail vehicles, in particular as a primary spring.

Die EP 1 369 616 A1 offenbart eine hydraulische Feder, die eine gasgefüllte Kavität mit konischer Form und einem Volumen umfasst, das durch die Kompression variabel ist. Eine Anwendung der vorgeschlagenen hydraulischen Feder als primäre Feder für Schienenfahrzeuge wird ebenfalls offenbart.the EP 1 369 616 A1 discloses a hydraulic spring comprising a gas-filled cavity of conical shape and a volume that is variable by compression. An application of the proposed hydraulic spring as a primary spring for rail vehicles is also disclosed.

Die WO 2005/091698 A2 offenbart eine Achslagergehäuse-Feder-Einheit eines Eisenbahndrehgestells welche zwei Hydraulikfedern und ein Achslagergehäuse aufweist. Das Achslagergehäuses ist so ausgebildet, dass es für beide Hydraulikfedern jeweils einen Raum integral ausgebildeten Raum für ein hydraulisches Fluid der Hydraulikfeder aufweist. Weiter ist zum Stand der Technik noch auf die JP H11 94012 A zu verweisen.the WO 2005/091698 A2 discloses a journal box spring unit of a railway bogie which has two hydraulic springs and a journal box. The axle bearing housing is designed in such a way that it has an integrally formed space for a hydraulic fluid of the hydraulic spring for each of the two hydraulic springs. Further to the state of the art, refer to the JP H11 94012 A to refer.

Eine Aufgabe der vorliegenden Erfindung ist es, ein verbessertes Eisenbahndrehgestell zur Verfügung zu stellen, das mindestens ein Achslagergehäuse und eine hydraulische Feder umfasst, so dass das Eisenbahndrehgestell bezüglich Geräuschentwicklung und Verschleiß im Rad- Schienekontakt verbessert ist.It is an object of the present invention to provide an improved railway bogie which comprises at least one axle bearing housing and a hydraulic spring, so that the railway bogie is improved with regard to noise development and wear in wheel-rail contact.

Die Aufgabe der Erfindung wird durch den Gegenstand des Anspruchs 1 gelöst. Bevorzugte Ausführungsformen sind in den Unteransprüchen angegeben.The object of the invention is achieved by the subject matter of claim 1. Preferred embodiments are specified in the subclaims.

Gemäß Anspruch 1 umfasst das Eisenbahndrehgestell wenigstens ein Achslagergehäuse zur Aufnahme eines Radlagers, eine Hydraulikfeder und einen Überbrückungsadapter, wobei zwischen einem ersten Ende des Achslagergehäuses und einem ersten Ende des Überbrückungsadapters die Hydraulikfeder angeordnet ist und ist durch den Umstand gekennzeichnet, dass das zweite Ende des Achslagergehäuses und das zweite Ende des Überbrückungsadapters mittels eines Schwenklagers drehverbunden sind. Vorteilhaft hierbei ist, dass über das Schwenklager auf das Achslagergehäuse wirkende Längskräfte und Querkräfte aufgenommen werden können und somit auf entsprechend Anschläge verzichtet werden kann und eine anschlaglose Kraftübertragung realisiert werden kann. Die Hydraulikfeder wirkt hier bevorzugt als gummihydraulisches Element und weist sowohl Federungs- als auch Dämpfungseigenschaften auf. Sie wirkt hier als Primärfederung, welche im Wesentlichen die Federung übernimmt und kann durch das Zusammenwirken mit dem Schwenklager ohne Anschläge in Längsrichtung und Querrichtung ausgeführt werden.According to claim 1, the railway bogie comprises at least one axle bearing housing for receiving a wheel bearing, a hydraulic spring and a bridging adapter, wherein the hydraulic spring is arranged between a first end of the axle bearing housing and a first end of the bridging adapter and is characterized by the fact that the second end of the axle bearing housing and the second end of the bridging adapter are rotatably connected by means of a pivot bearing. The advantage here is that the Pivot bearings acting on the axle bearing housing longitudinal forces and transverse forces can be absorbed and thus corresponding stops can be dispensed with and a stopless power transmission can be realized. The hydraulic spring acts here preferably as a rubber hydraulic element and has both suspension and damping properties. It acts here as a primary suspension, which essentially takes over the suspension and can be implemented through the interaction with the pivot bearing without stops in the longitudinal direction and transverse direction.

Erfindungsgemäß ist vorgesehen, dass der Überbrückungsadapter an einem Längsträger des Eisenbahndrehgestells festlegbar ist und dass das Achslagergehäuse in Längsrichtung zwischen der Hydraulikfeder und dem Schwenklager angeordnet ist.
Hierdurch wird erreicht, das Vertikalbewegungen des einzelnen Rades des Drehgestelles in entsprechend dem vom Abstand des Schwenklagers zur Hydraulikfeder und des Abstandes des Schwenklagers zum Radlager vorgegebenen Hebels verstärkt werden, womit größere Federwege erzielt werde. Vorteilhaft hierbei ist, dass über den längeren Federweg eine gewünschte Federcharakteristik besser dargestellt werden kann.
Nach einem Ausführungsbeispiel ist vorgesehen, dass das Eisenbahndrehgestell zwei Achsen mit jeweils zwei Achslagergehäusen aufweist, wobei die in Längsrichtung am selben Längsträger nebeneinander angeordneten Achslagergehäuse so zueinander angeordnet sind, das die beiden Schwenklager sich benachbart gegenüberliegen und die beiden Hydraulikfedern an den entgegengesetzten Enden der beiden Achslagergehäuse angeordnet sind.
Vorteilhaft hierbei ist, das die eingebauten Hydraulikfedern in dieser Anordnung den größtmöglichen Abstand voneinander haben, da sie an den Ecken des Drehgestells angeordnet sind. Eine Führung des Radsatzes im Drehgestell ist somit optimiert, da die Hydraulikfedern sich in dieser Anordnung am wenigsten gegenseitig in den Bewegungen beeinflussen.According to the invention it is provided that the bridging adapter can be fixed to a longitudinal beam of the railway bogie and that the axle bearing housing is arranged in the longitudinal direction between the hydraulic spring and the pivot bearing.
This ensures that the vertical movements of the individual wheel of the bogie are amplified in accordance with the lever specified by the distance between the pivot bearing and the hydraulic spring and the distance between the pivot bearing and the wheel bearing, whereby greater spring travel is achieved. The advantage here is that a desired spring characteristic can be better represented over the longer spring travel.
According to one embodiment it is provided that the railway bogie has two axles with two axle bearing housings each, the axle bearing housings arranged next to one another in the longitudinal direction on the same side member being arranged in such a way that the two pivot bearings are adjacent opposite one another and the two hydraulic springs are at the opposite ends of the two axle bearing housings are arranged.
The advantage here is that the built-in hydraulic springs in this arrangement have the greatest possible distance from one another, since they are arranged at the corners of the bogie. A guide of the wheelset in the bogie is thus optimized, as the hydraulic springs in this arrangement have the least influence on each other's movements.

Nach einem Ausführungsbeispiel ist vorgesehen dass das Schwenklager eine Verschwenkbewegung des Achslagergehäuses zum Längsträger ermöglicht. Bevorzugt ist hierbei ein Winkel von 15 Grad, besonders bevorzugt 10 Grad, um welchen sich das Achslager relativ zum Längsträger verschwenken kann. Eine Fortbildung des Ausführungsbeispiels sieht weiterhin vor, dass sich das Achslagergehäuse neben seiner Schwenkbewegung relativ zum Längsträger verdrehen kann. Diese orthogonal zur Schwenkachse stehende Drehbewegung ermöglicht eine stabile Führung des Radsatzes ohne Zwangskräfte bei einer Verkippung einer Achse bezüglich des Drehgestells. Vorzugsweise ist das Schwenklager so konstruiert, dass es orthogonal zur Schwenkachse einen Verkippwinkel von 10 Grad, vorzugsweise 5 Grad realisieren kann.According to one embodiment it is provided that the pivot bearing enables a pivoting movement of the axle bearing housing relative to the longitudinal member. An angle of 15 degrees, particularly preferably 10 degrees, is preferred here, by which the axle bearing can pivot relative to the longitudinal member. A further development of the exemplary embodiment also provides that the axle bearing housing can rotate relative to the longitudinal member in addition to its pivoting movement. This rotational movement, which is orthogonal to the pivot axis, enables stable guidance of the wheel set without constraining forces when an axis is tilted with respect to the bogie. The pivot bearing is preferably constructed in such a way that it can implement a tilt angle of 10 degrees, preferably 5 degrees, orthogonally to the pivot axis.

Nach einem Ausführungsbeispiel ist vorgesehen dass das Schwenklager als gummielastisches Schwenklager ausgebildet ist und der Überbrückungsadapter mit einem Achsbolzen des Schwenklagers gekoppelt ist. Vorzugsweisekann hierbei der Achsbolzen ballig ausgeführt sein und ein Außenring des Schwenklagers kann eine korrespondierend ausgebauchte Form aufweisen. Zwischen dem Achsbolzen und dem Außenring kann ein federnd und/oder dämpfendes Elastomer- oder Gummielement angeordnet sein, sodass über das Elastomer- oder Gummielement sowohl die Verschwenkung als auch die Verkippung ermöglicht wird.According to one embodiment, it is provided that the pivot bearing is designed as a rubber-elastic pivot bearing and the bridging adapter is coupled to an axle bolt of the pivot bearing. In this case, the axle bolt can preferably be of spherical design and an outer ring of the pivot bearing can have a correspondingly bulged shape. A resilient and / or damping elastomer or rubber element can be arranged between the axle bolt and the outer ring, so that both the pivoting and the tilting is made possible via the elastomer or rubber element.

Nach einem Ausführungsbeispiel ist vorgesehen dass das Schwenklager gummihydraulisches Element ausgebildet ist, welches einen gummielastischen Teil und einen hydraulischen Teil aufweist. Vorteilhaft hierbei ist, dass neben den bereits erwähnten Schwenkbewegungen und Kippbewegungen auch eine Federung und Dämpfung realisiert werden kann. So kann beispielsweise das Schwenklager als Rotationsdämpfer wirken. Alternativ oder zusätzlich kann das Schwenklager auch als Vertikaldämpfer und/oder Vertikalfeder und/oder als Horizontaldämpfer und/oder Horizontalfeder wirken.
Bevorzugt weist das als Sekundärdämpfer/Sekundärfeder wirkende Schwenklager eine andere Steifigkeit als die als Primärfeder wirkende Hydraulikfeder auf. Diese unterschiedliche Steifigkeit bewirkt eine verbesserte Laufstabilität des Radsatzes und damit des Drehgestells.According to one embodiment it is provided that the pivot bearing is designed as a rubber-hydraulic element which has a rubber-elastic part and a hydraulic part. The advantage here is that in addition to the pivoting movements and tilting movements already mentioned, a suspension and damping can also be implemented. For example, the pivot bearing can act as a rotary damper. Alternatively or additionally, the pivot bearing also act as a vertical damper and / or vertical spring and / or as a horizontal damper and / or horizontal spring.
The pivot bearing acting as a secondary damper / secondary spring preferably has a different rigidity than the hydraulic spring acting as a primary spring. This difference in stiffness results in improved running stability of the wheelset and thus of the bogie.

Nach einem Ausführungsbeispiel ist vorgesehen, dass die Hydraulikfeder als auswechselbare Baueinheit ausgebildet ist, die einen ein hydraulisches Fluid aufnehmenden topfartigen Bereich, einen relativ zum topfartigen Bereich verschiebbaren Stempel und ein den topfartigen Bereich und den Stempel miteinander verbindendes elastisches Element aufweist, wobei der Überbrückungsadapter mit dem topfartigen Bereich gekoppelt ist und das Achslagergehäuse mit dem Stempel gekoppelt ist. Durch diese Anordnung, bei welcher das hydraulische Fluid obenliegend angeordnet ist, kann eine besonders einfache Aufnahme der Hydraulikfeder am Überbrückungsadapter und im Achsgehäuse realisiert werden. Ein Austausch einer solchen als Modul ausgebildeten Hydraulikfeder ist im Falle von Reparaturarbeiten besonders einfach möglich. Die Hydraulikfeder kann hierbei einerseits am Überbrückungsadapter angeschraubt sein und mittels eines vertikalen Bolzens in einer Öffnung des Achslagergehäuses befestigt sein.According to one embodiment it is provided that the hydraulic spring is designed as an exchangeable structural unit, which has a cup-like area receiving a hydraulic fluid, a plunger that can be displaced relative to the cup-like area and an elastic element connecting the cup-like area and the plunger with one another, the bridging adapter with the Cup-like area is coupled and the axle bearing housing is coupled to the punch. This arrangement, in which the hydraulic fluid is arranged at the top, enables the hydraulic spring to be accommodated in a particularly simple manner on the bridging adapter and in the axle housing. An exchange of such a hydraulic spring designed as a module is particularly easy in the case of repair work. The hydraulic spring can on the one hand be screwed to the bridging adapter and fastened in an opening of the axle bearing housing by means of a vertical bolt.

Die Erfindung betrifft weiterhin einen Eisenbahngüterwagen mit einem erfindungsgemäßen Eisenbahndrehgestell.
Durch die Anordnung eines erfindungsgemäßen Eisenbahndrehgestells in einem Eisenbahngüterwagens ergibt sich der Vorteil, dass eine für Güterwagen besonders kostengünstige Ausführung realisiert ist, bei welcher die Nachteile von bisherigen Eisenbahngüterwagen wie Geräuschbildung und Verschleiß zuverlässig vermieden werden.The invention further relates to a rail freight car with a railroad bogie according to the invention.
The arrangement of a railroad bogie according to the invention in a railroad freight wagon results in the advantage that a particularly cost-effective design for freight wagons is realized in which the disadvantages of previous railroad freight wagons such as noise and wear are reliably avoided.

Weitere Vorteile, Merkmale und Details der Erfindung sind für eine bevorzugte Ausführungsform der Erfindung unter Bezugnahme auf die Zeichnung beschrieben, wobei Fig. 1 ein perspektivische Darstellung eines Ausschnitts eines erfindungsgemäßen Drehgestells zeigt.Further advantages, features and details of the invention are preferred for one Embodiment of the invention described with reference to the drawing, wherein Fig. 1 shows a perspective view of a section of a bogie according to the invention.

Das Drehgestell umfasst ein Achslagergehäuse 10 mit einem Wälzlager 4 , das im Mittenbereich des Achslagergehäuses 10 montiert ist. Das Wälzlager 4 lagert ein Ende einer der beiden Achsen des Drehgestells.The bogie comprises an axle bearing housing 10 with a roller bearing 4 which is mounted in the central area of the axle bearing housing 10. The roller bearing 4 supports one end of one of the two axles of the bogie.

Eine Basis des Achslagergehäuses 10 ist zur rechten und zur linken Seite erweitert und bildet auf seiner linken Seite, dem ersten Ende, einen Aufnahmebereich der Hydraulikfeder 12. Die Hydraulikfeder 12 ist hierbei mittels eines Bolzens in das Achslagergehäuse eingesteckt. Auf seiner erweiterten rechten Seite, dem zweiten Ende, nimmt das Achslagergehäuse 10 das Schwenklager 8 auf. Der Überbrückungsadapter 50 ist an seinem ersten Ende mit der Hydraulikfeder 12 und an seinem zweiten Ende mit dem Schwenklager 8 verbunden und verbindet somit die Hydraulikfeder 12 mit dem Schwenklager 8.A base of the axle bearing housing 10 is widened to the right and left and forms on its left side, the first end, a receiving area for the hydraulic spring 12. The hydraulic spring 12 is inserted into the axle bearing housing by means of a bolt. On its extended right side, the second end, the axle bearing housing 10 receives the pivot bearing 8. The bridging adapter 50 is connected at its first end to the hydraulic spring 12 and at its second end to the pivot bearing 8 and thus connects the hydraulic spring 12 to the pivot bearing 8.

Der Überbrückungsadapter ist selbst mit dem Längsträger 6 des Eisenbahndrehgestells verbunden. Das Schwenklager 8 ist mindestens zweiteilig ausgebildet, wobei ein erster Teil, hier als Außenteil angedeutet mit dem Achslagergehäuse 10 verbunden ist und ein zweiter Teil, hier als Bolzen angedeutet mit dem Überbrückungsadapter verschraubt ist. Über das Schwenklager 8 kann das Achsgehäuse in der gezeigten Stellung um einen Winkel von ungefähr 5 Grad in beide Richtungen zum Längsträger 6 verschwenkt werden.The bridging adapter is itself connected to the longitudinal beam 6 of the railway bogie. The pivot bearing 8 is designed in at least two parts, a first part, indicated here as an outer part, being connected to the axle bearing housing 10 and a second part, indicated here as a bolt, being screwed to the bridging adapter. In the position shown, the axle housing can be pivoted through an angle of approximately 5 degrees in both directions to the longitudinal member 6 via the pivot bearing 8.

In anderen Ausführungsformen kann das Schwenklager 8 auch anders zwischen dem Achslagergehäuse 10 und dem Überbrückungsadapters 50 realisiert sein. So kann zum Beispiel ein Bolzen des Schwenklagers 8 mittels beliebiger anderer Verbindungselemente mit dem Überbrückungsadapter 50 verbunden sein.In other embodiments, the pivot bearing 8 can also be implemented differently between the axle bearing housing 10 and the bridging adapter 50. For example, a bolt of the pivot bearing 8 can be connected to the bridging adapter 50 by means of any other connecting elements.

Der Überbrückungsadapter 50 ist mit einem Längsträger 6 eines Drehgestellrahmens verbunden, wobei sich dieser Längsträger 6 in eine longitudinale Richtung erstreckt, die parallel zu den Schienen verläuft und in Fig. 1 nicht geschnitten dargestellt ist. Vorzugsweise ist der Überbrückungsadapter 50 mittels Schweißen mit dem Längsträger 6 verbunden.The bridging adapter 50 is connected to a longitudinal beam 6 of a bogie frame, this longitudinal beam 6 extending in a longitudinal direction which runs parallel to the rails and in Fig. 1 is not shown in section. The bridging adapter 50 is preferably connected to the longitudinal beam 6 by means of welding.

Die Hydraulikfeder 12 ist in ihrer oberen Hälfte mit einem topfartigen Bereich ausgebildet welcher im Inneren das hydraulische Fluid aufnimmt (nicht dargestellt). Ein entsprechenden Koppelstück des Überbrückungsadapter 50 ist mit dem topfartigen Bereich verschraubt. Die untere Hälfte der Hydraulikfeder 12 ist als Bolzen ausgebildet und in das Achslagergehäuse 10 gesteckt. Nicht dargestellt ist ein Stempel im Inneren der Hydraulikfeder 12 der mit dem Bolzen gekoppelt ist und welcher relativ zum topfartigen Bereich verschiebbar ist. Weiterhin nicht näher dargestellt sind elastische Elemente welche den Stempel und den topfartigen Bereich miteinander koppeln. Durch die erfindungsgemäße Anordnung der Hydraulikfeder 12 derart, dass der topfartige Bereich oben liegend ist, und der im Durchmesser wesentlich kleiner Bolzen im Achslagergehäuse 10 angeordnet ist, können das Achslagergehäuse und die Hydraulikfeder in ihrem Bauraumbedarf komplementär zueinander ausgeführt und angeordnet werde, was eine äußerst kompakte Bauform ermöglicht. So kann zum Beispiel der Übergang des Bereichs des Achslagergehäuses 10 welcher das Achslager aufnimmt zum Bereich welcher die Hydraulikfeder 12 aufnimmt entsprechend der Form des sich verjüngenden Hydraulikzylinders in diesem Bereich angepasst werden, wie in Figur 1 ersichtlich. Die Hydraulikfeder 12 kann in einzelnen Details entsprechend der bereits zitierten WO 2005/091698 A2 ausgeführt sein.The hydraulic spring 12 is designed in its upper half with a pot-like area which receives the hydraulic fluid in the interior (not shown). A corresponding coupling piece of the bridging adapter 50 is screwed to the pot-like area. The lower half of the hydraulic spring 12 is designed as a bolt and inserted into the axle bearing housing 10. Not shown is a stamp in the interior of the hydraulic spring 12 which is coupled to the bolt and which is displaceable relative to the pot-like area. Also not shown in detail are elastic elements which couple the punch and the pot-like area to one another. The inventive arrangement of the hydraulic spring 12 in such a way that the pot-like area is on top and the bolt with a significantly smaller diameter is arranged in the axle bearing housing 10, the axle bearing housing and the hydraulic spring can be designed and arranged complementary to one another in terms of their space requirements, which is an extremely compact one Design enables. For example, the transition from the area of the axle bearing housing 10 which accommodates the axle bearing to the area which accommodates the hydraulic spring 12 can be adapted in accordance with the shape of the tapered hydraulic cylinder in this area, as in FIG Figure 1 evident. The hydraulic spring 12 can, in individual details, correspond to those already cited WO 2005/091698 A2 be executed.

BezugszeichenlisteList of reference symbols

22
Radwheel
44th
Wälzlagerroller bearing
66th
Längsträger des DrehgestellrahmensLongitudinal beam of the bogie frame
88th
SchwenklagerSwivel bearing
1010
AchslagergehäuseAxle box
1212th
HydraulikfederHydraulic spring
5050
ÜberbrückungsadapterBridging adapter

Claims (7)

  1. Railway bogie comprising at least one axle bearing housing (10) for receiving a wheel bearing, a hydraulic spring (12) and a bridging adapter (50), the hydraulic spring (12) being arranged between a first end of the axle bearing housing (10) and a first end of the bridging adapter (50), characterized in that the second end of the axle bearing housing (10) and the second end of the bridging adapter (50) are rotationally connected by means of a pivoting bearing (8), the bridging adapter (50) being fixed or being capable of being fixed on a longitudinal carrier (6) of the railway bogie, and in that the axle bearing housing (10) is arranged in the longitudinal direction between the hydraulic spring (12) and the pivoting bearing (8).
  2. Railway bogie according to Claim 1, characterized in that the railway bogie has two axles with in each case two axle bearing housings (10), the axle bearing housings (10) which are arranged next to one another in the longitudinal direction on the same longitudinal carrier (6) being arranged with respect to one another in such a way that the two pivoting bearings (8) lie adjacently opposite one another, and the two hydraulic springs (12) are arranged at the opposite ends of the two axle bearing housings (10).
  3. Railway bogie according to Claim 1, characterized in that the pivoting bearing (8) makes a pivoting movement of the axle bearing housing (10) with respect to the longitudinal carrier (6) possible, in particular up to an angle of 15 degrees.
  4. Railway bogie according to Claim 3, characterized in that the pivoting bearing (8) is configured as a rubber-elastic pivoting bearing, and the bridging adapter is coupled to an axle pin of the pivoting bearing.
  5. Railway bogie according to Claim 3, characterized in that the pivoting bearing (8) is configured as a rubber-hydraulic element which has a rubber-elastic part and a hydraulic part.
  6. Railway bogie according to Claim 1, characterized in that the hydraulic spring (12) is configured as an exchangeable structural unit which has a pot-like region which receives hydraulic fluid, a plunger which can be displaced relative to the pot-like region, and an elastic element which connects the pot-like region and the plunger to one another, the bridging adapter (50) being coupled to the pot-like region, and the axle bearing housing (10) being coupled to the plunger.
  7. Railway freight wagon with a railway bogie according to one of the preceding claims.
EP17797151.2A 2016-11-21 2017-11-10 Bogie of a railway wagon Active EP3541679B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016222950.8A DE102016222950A1 (en) 2016-11-21 2016-11-21 Bogie of a rail freight car
PCT/EP2017/078869 WO2018091363A1 (en) 2016-11-21 2017-11-10 Bogie of a railway wagon

Publications (2)

Publication Number Publication Date
EP3541679A1 EP3541679A1 (en) 2019-09-25
EP3541679B1 true EP3541679B1 (en) 2021-10-20

Family

ID=60293971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17797151.2A Active EP3541679B1 (en) 2016-11-21 2017-11-10 Bogie of a railway wagon

Country Status (3)

Country Link
EP (1) EP3541679B1 (en)
DE (1) DE102016222950A1 (en)
WO (1) WO2018091363A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111284519B (en) * 2020-03-13 2021-02-05 中车株洲电力机车有限公司 Railway vehicle bogie

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1194012A (en) * 1997-09-18 1999-04-09 Sumitomo Metal Ind Ltd Liquid sealing mount and axle box suspension using it for railway rolling stock
DE10064769A1 (en) 2000-12-22 2002-08-29 Contitech Luftfedersyst Gmbh Hydro spring
DE50208543D1 (en) 2002-06-03 2006-12-07 Contitech Luftfedersyst Gmbh Hydrofeather as a primary spring in rail vehicles
MXPA06010142A (en) 2004-03-26 2007-03-07 Skf Ab Railway bogie.
DE102005004721B4 (en) * 2005-01-10 2009-09-24 Ab Skf Connection to a bogie of a rail vehicle
EP2748047A1 (en) * 2011-08-26 2014-07-02 Aktiebolaget SKF Railway bogie assembly, with two-part adapter assembly for hydraulic suspension

Also Published As

Publication number Publication date
EP3541679A1 (en) 2019-09-25
DE102016222950A1 (en) 2018-05-24
WO2018091363A1 (en) 2018-05-24

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