EP0883540A1 - Driven idler wheel axle - Google Patents

Driven idler wheel axle

Info

Publication number
EP0883540A1
EP0883540A1 EP97950050A EP97950050A EP0883540A1 EP 0883540 A1 EP0883540 A1 EP 0883540A1 EP 97950050 A EP97950050 A EP 97950050A EP 97950050 A EP97950050 A EP 97950050A EP 0883540 A1 EP0883540 A1 EP 0883540A1
Authority
EP
European Patent Office
Prior art keywords
wheel
axle
drive
support frame
double clutch
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.)
Granted
Application number
EP97950050A
Other languages
German (de)
French (fr)
Other versions
EP0883540B1 (en
Inventor
Andreas Brinkmann
Thaddäus KASPRZYK
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.)
Gutehoffnungshutte Radsatz GmbH
Original Assignee
Gutehoffnungshutte Radsatz GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gutehoffnungshutte Radsatz GmbH filed Critical Gutehoffnungshutte Radsatz GmbH
Publication of EP0883540A1 publication Critical patent/EP0883540A1/en
Application granted granted Critical
Publication of EP0883540B1 publication Critical patent/EP0883540B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B61F3/00—Types of bogies
    • B61F3/16—Types of bogies with a separate axle for each wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C9/00—Locomotives or motor railcars characterised by the type of transmission system used; Transmission systems specially adapted for locomotives or motor railcars
    • B61C9/38—Transmission systems in or for locomotives or motor railcars with electric motor propulsion
    • B61C9/52—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with transmission shafts at an angle to the driving 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
    • B61F3/00—Types of bogies
    • B61F3/02—Types of bogies with more than one axle
    • B61F3/04—Types of bogies with more than one axle with driven axles or wheels

Definitions

  • the invention relates to a driven idler axle for
  • Rail vehicles in particular for undercarriages or bogies on low-floor vehicles according to the preamble of claim 1.
  • the idler gear axle essentially consists of a cranked, non-rotating axle (portal axle) with double-sided axle heads with axle journals, on each of which a generally rubber-sprung idler gear is supported.
  • the chassis frame of the chassis is supported by a primary suspension
  • the idler gear axle for the normal track on the axle head on the inside of the wheel has two machined bearing surfaces for the primary suspension.
  • the idler gear axles of the aforementioned versions are equipped with a disc brake, but have no possibility of drive.
  • the drive for transmitting the torque of the idler gears of the idler gear axles takes place in such a way that a cardanic double clutch is arranged between the primary suspension electromechanical drive arranged on the outside of the vehicle and the respective idler gear, which engages on the outside of the wheel.
  • the design of the idler axles with a cardanic double clutch acting on the outside of the wheel and internal connections for the primary suspension usually enables e.g. in the case of standard-gauge vehicles (gauge approx. 1435 mm), the arrangement of a low-floor central aisle between the heads of the idler gear axle with sufficient width.
  • Width of the central aisle of the low-floor car is further undesirably restricted.
  • the invention is therefore based on the object of proposing a driven idler wheel axle in which this problem does not exist, and moreover an excessively wide width of the idler wheel axle and drive is avoided, in order to also, for example, narrow-gauge vehicles at the same time narrow body width without disruptive overhang of the running gear.
  • the proposal according to the invention consists essentially in that the arrangement of the bearing surfaces for the primary suspension and the output plane of the cardanic double clutch is interchanged with the wheel, so that the bearing surfaces are arranged on the outside of the wheel and the output plane of the coupling on the inside of the wheel.
  • the output level of the cardanic double clutch is led through a central opening in the wheel and the wheel support frame.
  • the installation width for the output level of the cardanic double clutch is now significantly smaller than that for the axle head of the wheel support frame (contact surfaces for the primary suspension), the vehicle floor can be widened in this way or made possible in the first place for narrow-track vehicles.
  • the wheel is mounted on the inside of the wheel support frame on a hollow axle stub as short as possible as a wheel support and this wheel support is connected to the wheel support frame either directly or by means of a flange connection. This ensures a stable construction with a small overall width. The overall width is also reduced if the wheel disc is part of the output level of the cardanic double clutch.
  • a ground contact of a known design can be provided for each wheel.
  • the peculiarity is that the rotating component of the contact is integrated directly into the cardan shaft, while the non-rotating component via a torque arm, e.g. at the same time serves as an electrical lead, is connected to the wheel support frame.
  • a torque arm e.g. at the same time serves as an electrical lead
  • the wheel support frame In order to conduct current to the wheel tire, there are current bridges between the wheel tire and the coupling star formed on the drive shaft on the driven side. Since the gimbal drum is isolated from the wheel disc by the rubber packs of the output level of the gimbal double clutch, and the wheel disc is also isolated from the wheel tire by the rubber ring of the rubber-sprung wheel, the use of complex, current-insulated wheel bearings can be dispensed with. Due to the design described, current passage through the rolling bearings is reliably avoided.
  • FIG. 1 is a top view of the driven idler gear axle
  • Figure 3 shows schematically in plan view the application of the idler wheel axle according to the invention in a double-axle chassis for a low-floor car.
  • the U-shaped wheel support frame 1 (portal axis) of the idler wheel axle comprises the wheels 2 on the outside.
  • the bearing surfaces 14 for the primary suspension are formed on the two legs of the wheel support frame.
  • the output plane 3 of the cardanic double clutch is arranged on the inside of each individual wheel 2. As can be seen from FIG. 2, part of the output clutch 3 is arranged directly on the wheel disk 7. Drive level 4 and output level 3 of the cardanic double clutch are connected to one another via a cardan shaft 5. This cardan shaft 5 is guided through an opening of the wheel 2 and the wheel support frame 1. The drive side 4 is connected via a gear 11 to the motor (not shown) arranged on each side between the wheels 2.
  • the drive and output levels 3, 4 of the cardanic double clutch consist of hollow shaft stars and wedge packets arranged in between.
  • the output gear of the transmission 11 is designed as a hollow shaft.
  • the drive torque is transmitted to the drive plane 4 of the hollow shaft wedge packet coupling via the hollow shaft star connected to the hollow shaft.
  • a cardan shaft 5 guided through the gearbox hollow shaft guides the torque into the output plane 3, which in turn consists of the same key packs as are used in the drive plane 4 and the wheel star connected to the wheel disc 7.
  • the wheel 2 is mounted on the inside of the wheel support frame 1 via a wheel bearing 16 on a hollow axle stub 6 directly or by means of a flange connection.
  • the rotating part of an earth contact 8 is integrated in the cardan shaft 5.
  • the fixed part is connected to the wheel support frame via a torque arm 12, which can also serve as a feed line at the same time.
  • the current supply from the ground contact to the wheel tire 10 takes place via current bridges 13 which are attached to the coupling star of the propeller shaft 5.
  • the rubber ring 9 of the rubber-sprung wheel and the rubber elements of the output level 3 of the cardanic double clutch provide effective current insulation between the wheel disc and
  • Wheel support frame instead, so that the installation of current-insulated roller bearings between the wheel disc 7 and the hollow stub axle 6 can be dispensed with.
  • FIG. 3 shows an example of the use of two idler gear axles according to the invention in a driven double-axle chassis.
  • a drive unit on the longitudinal side of the chassis, which consists of a motor 15 and the bevel gear transmissions 11 which are flanged on both sides.
  • the drive unit is suspended from a chassis frame, not shown, which in turn is supported via the primary spring support surfaces 14 on the wheel support frame 1 of the two idler wheel axles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Arrangement Of Transmissions (AREA)
  • Vehicle Body Suspensions (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Vibration Prevention Devices (AREA)
  • Handcart (AREA)

Abstract

The present invention pertains to a driven loose wheel axle with individually mounted wheels for single-axle or double-axle chassis for rail-borne vehicles, especially for chassis or bogies on low-platform vehicles, wherein a drive is fastened to the chassis frame on the outside on each longitudinal side of the chassis and the drive is connected to the corresponding loose wheel via a cardanic double coupling. According to the present invention, a wheel-carrying frame (1) with contact surfaces (14) for the primary spring system surrounds the two wheels (2) from the outside; the driven interface (3) of the cardanic double coupling is arranged on the inner side of the wheel and the drive interface of the cardanic double coupling is arranged outside the wheel-carrying frame. The cardan shaft (5) provides a connection between the drive interface and the driven interface (3) and is led through a central opening of the wheel (2) and of the wheel-carrying frame (1).

Description

Angetriebene Losradachse Driven idler axle
Beschreibungdescription
Die Erfindung bezieht sich auf eine angetriebene Losradachse fürThe invention relates to a driven idler axle for
Schienenfahrzeuge, insbesondere für Fahrwerke oder Drehgestelle an Niederflurfahrzeugen gemäß Oberbegriff des Anspruches 1.Rail vehicles, in particular for undercarriages or bogies on low-floor vehicles according to the preamble of claim 1.
Aus der Zeitschrift: Der Nahverkehr, Heft 6/94 Aufsatz „Neues bei Laufwerkskomponenten und gummigefederten Rädern", Abb. 6 und 8 sind nicht-angetriebene, gebremste Lauffahrwerke (Einzel- oder Doppelachsfahrwerke) bekannt, die zur Ermöglichung eines niedrigen Fußbodens auch im Bereich des Fahrwerkes sog. Losradachsen verwenden. Die Losradachse besteht im wesentlichen aus einer gekröpften, nicht-rotierenden Achse (Portalachse) mit beidseitigen Achsköpfen mit Achsstummeln, auf denen jeweils ein in der Regel gummigefedertes Losrad gelagert ist. Über eine Primärfederung stützt sich der Fahrwerksrahmen des Fahrwerks auf der Losradachse ab. Zu diesem Zweck weist beispielsweise die Losradachse für die Normalspur am Achskopf an der Radinnenseite zwei bearbeitete Aufiageflächen für die Primärfederung auf. Die Losradachsen der vorgenannten Ausführungen sind zwar mit einer Scheibenbremse ausgerüstet, besitzen aber keine Möglichkeit zum Antrieb.From the magazine: Der Nahverkehr, Issue 6/94 essay "New for drive components and rubber-sprung wheels", Fig. 6 and 8, non-driven, braked running gear (single or double-axle running gear) are known, which also enable a low floor in the area The idler gear axle essentially consists of a cranked, non-rotating axle (portal axle) with double-sided axle heads with axle journals, on each of which a generally rubber-sprung idler gear is supported. The chassis frame of the chassis is supported by a primary suspension For this purpose, for example, the idler gear axle for the normal track on the axle head on the inside of the wheel has two machined bearing surfaces for the primary suspension. The idler gear axles of the aforementioned versions are equipped with a disc brake, but have no possibility of drive.
Aus der DE 44 29 889 A1 sind gattungsgemäße, angetriebeneDE 44 29 889 A1 describes generic, driven
Losradachsen an einem Doppelachsfahrwerk für Schienenfahrzeuge bekannt. Eine praktische Ausgestaltung hierzu ist zum Beispiel in der Zeitschrift: Verkehr und Technik, Heft 9 / 96, Seite 387 f. in dem Aufsatz „Combino, die modulierbare Niederflurstraßenbahn..." dargestellt. Hierbei stützt sich ein Fahrwerksrahmen auf zwei gekröpften Losradachsen (Portalachsen) ab, wobei die die Aufiageflächen für die Rahmen und Achsen verbindende Primärfederung sich, an der Innenseite der Räder befinden.Loose wheel axles on a double-axle chassis for rail vehicles are known. A practical example of this can be found in the journal: Verkehr und Technik, issue 9/96, page 387 f. shown in the article "Combino, the modulatable low-floor tram ...". Here, a chassis frame is supported on two cranked loose wheel axles (portal axles), whereby the mounting surfaces for the frames and Primary suspension connecting axles are located on the inside of the wheels.
Der Antrieb zur Übertragung des Drehmomentes der Losräder der Losradachsen erfolgt in der Form, daß zwischen dem an der Fahrzeugaußenseite angeordneten, primär abgefederten elektromechanischen Antrieb und dem jeweiligen Losrad eine kardanische Doppelkupplung angeordnet ist, die an der Außenseite des Rades angreift.The drive for transmitting the torque of the idler gears of the idler gear axles takes place in such a way that a cardanic double clutch is arranged between the primary suspension electromechanical drive arranged on the outside of the vehicle and the respective idler gear, which engages on the outside of the wheel.
Die Ausführung der Losradachsen mit außen am Rad angreifender kardanischer Doppelkupplung und innenliegenden Anschlüssen für die Primärfederung ermöglicht in der Regel z.B. bei normalspurigen Fahrzeugen (Spurweite ca. 1435 mm) die Anordnung eines niederfluhgen Mittelganges zwischen den Köpfen der Losradachse mit ausreichender Breite.The design of the idler axles with a cardanic double clutch acting on the outside of the wheel and internal connections for the primary suspension usually enables e.g. in the case of standard-gauge vehicles (gauge approx. 1435 mm), the arrangement of a low-floor central aisle between the heads of the idler gear axle with sufficient width.
Bei Fahrzeugen mit geringerer Spurweite (z.B. für Schmalspurbahnen mitFor vehicles with a smaller track width (e.g. for narrow-gauge railways with
1000 mm Spurweite), bei denen das Abstandsmaß zwischen den Innenflächen der Räder kleiner ist, wird durch die Anordnung der1000 mm track width), in which the distance between the inner surfaces of the wheels is smaller, is due to the arrangement of the
Auflageflächen für die Primärfederung an der Innenseite des Rades dieContact surfaces for the primary suspension on the inside of the wheel
Breite des Mittelganges des Niederflurwagens zusätzlich in unerwünschter Weise weiter eingeschränkt.Width of the central aisle of the low-floor car is further undesirably restricted.
Gleiches gilt auch bei z.B. normalspurigen Fahrzeugen, bei denen eine größere Mittelgangbreite gewünscht wird, als dieses durch die vorgenannte Lösung ermöglicht wird.The same applies to e.g. Standard-gauge vehicles where a larger aisle width is desired than is made possible by the aforementioned solution.
Der Erfindung liegt daher die Aufgabe zugrunde, eine angetriebene Losradachse vorzuschlagen, bei der dieses Problem nicht besteht, und außerdem eine zu große Baubreite von Losradachse und Antrieb vermieden wird, um z.B. auch Schmalspur-Fahrzeuge mit gleichzeitig geringer Wagenkastenbreite ohne störenden Überstand der Fahrwerke zu ermöglichen.The invention is therefore based on the object of proposing a driven idler wheel axle in which this problem does not exist, and moreover an excessively wide width of the idler wheel axle and drive is avoided, in order to also, for example, narrow-gauge vehicles at the same time narrow body width without disruptive overhang of the running gear.
Die Lösung dieser Aufgabe ist in Patentanspruch 1 angegeben. Die Unteransprüche 2 bis 4 enthalten sinnvolle Ausführungsformen dazu.The solution to this problem is specified in claim 1. The sub-claims 2 to 4 contain useful embodiments.
Der erfindungsgemäße Vorschlag besteht im wesentlichen darin, daß die Anordnung der Auflageflächen für die Primärfederung und der Abtriebsebene der kardanischen Doppelkupplung gegenüber dem Rad vertauscht wird, so daß die Auflageflächen an der Radaußenseite und die Abtriebsebene der Kupplung an der Radinnenseite angeordnet sind. Dieses setzt voraus, daß die gekröpfte Portalachse als Radtragrahmen U- förmig um beide Räder herumgeführt ist, wobei auf den beiden Schenkeln jeweils die Primärfederauflageflächen ausgebildet sind. Die als Kardanwelle ausgebildete Verbindung zwischen Antriebs- undThe proposal according to the invention consists essentially in that the arrangement of the bearing surfaces for the primary suspension and the output plane of the cardanic double clutch is interchanged with the wheel, so that the bearing surfaces are arranged on the outside of the wheel and the output plane of the coupling on the inside of the wheel. This presupposes that the cranked portal axis is guided in a U-shaped manner as a wheel support frame around both wheels, the primary spring bearing surfaces being formed on each of the two legs. The connection between drive and
Abtriebsebene der kardanischen Doppelkupplung ist durch eine zentrale Öffnung des Rades und der Radtragrahmens geführt.The output level of the cardanic double clutch is led through a central opening in the wheel and the wheel support frame.
Da z.B. gegenüber der in DE 44 29 889 A1 beschrieben Anordnung nun die Einbaubreite für die Abtriebsebene der kardanischen Doppelkupplung wesentlich kleiner ist als die für den Achskopf des Radtragrahmens (Auflageflächen für die Primärfederung), kann hierdurch der Fahrzeugfußboden verbreitert oder bei Schmalspurfahrzeugen überhaupt erst sinnvoll ermöglicht werden.Because e.g. Compared to the arrangement described in DE 44 29 889 A1, the installation width for the output level of the cardanic double clutch is now significantly smaller than that for the axle head of the wheel support frame (contact surfaces for the primary suspension), the vehicle floor can be widened in this way or made possible in the first place for narrow-track vehicles.
Es hat sich als günstig erwiesen, wenn das Rad an der Innenseite des Radtragrahmens auf einem möglichst kurzen Hohl-Achsstummel als Radträger gelagert ist und dieser Radträger entweder direkt oder mittels einer Flanschverbindung mit dem Radtragrahmen verbunden ist. Hierdurch wird eine stabile Konstruktion mit geringer Baubreite erreicht. Die Baubreite wird zusätzlich verringert, wenn die Radscheibe ein Teil der Abtriebsebene der kardanischen Doppelkupplung ist.It has proven to be advantageous if the wheel is mounted on the inside of the wheel support frame on a hollow axle stub as short as possible as a wheel support and this wheel support is connected to the wheel support frame either directly or by means of a flange connection. This ensures a stable construction with a small overall width. The overall width is also reduced if the wheel disc is part of the output level of the cardanic double clutch.
Je Rad kann ein Erdungskontakt an sich bekannter Ausführung vorgesehen werden. Die Besonderheit besteht nun darin, daß das rotierende Bauteil des Kontaktes direkt in die Kardanwelle integriert ist, während das nicht-rotierende Bauteil über eine Drehmomentstütze, die z.B. gleichzeitig als elektrische Zuleitung dient, mit dem Radtragrahmen verbunden ist. Zwecks Stromführung zum Radreifen sind Strombrücken zwischen dem Radreifen und dem an der Kardanwelle an der Abtriebsseite ausgebildeten Kupplungsstern vorhanden. Da die Kardantrommel über die Gummipakete der Abtriebsebene der kardanischen Doppelkupplung gegenüber der Radscheibe, und die Radscheibe außerdem gegenüber dem Radreifen durch den Gummiring des gummigefederten Rades isoliert ist, kann auf die Verwendung aufwendiger, stromisolierter Radlager verzichtet werden. Durch die beschriebene Gestaltung wird ein Stromdurchgang durch die Wälzlager sicher vermieden.A ground contact of a known design can be provided for each wheel. The peculiarity is that the rotating component of the contact is integrated directly into the cardan shaft, while the non-rotating component via a torque arm, e.g. at the same time serves as an electrical lead, is connected to the wheel support frame. In order to conduct current to the wheel tire, there are current bridges between the wheel tire and the coupling star formed on the drive shaft on the driven side. Since the gimbal drum is isolated from the wheel disc by the rubber packs of the output level of the gimbal double clutch, and the wheel disc is also isolated from the wheel tire by the rubber ring of the rubber-sprung wheel, the use of complex, current-insulated wheel bearings can be dispensed with. Due to the design described, current passage through the rolling bearings is reliably avoided.
Neben der in DE 44 29 889 A1 beschriebenen Fahrwerksausführung mit zwei Losradachsen (Doppelachsfahrwerk) und Kopplung der Räder einer Längsseite durch einen längsliegenden Motor mit zwei angeflanschten Kegelradgetrieben sind natürlich auch Ausführungen möglich, bei denen die Längskopplung durch einen querliegenden Motor und ein den Motor und beide Losräder verbindendes Stirnradgetriebe erfolgt. Ebenso sind Einzelachsfahrwerke denkbar, bei denen dann naturgemäß keine Längskopplung gegeben ist, da je Seite nur ein Losrad mit einem Antrieb (Motor oder Motor-Getriebe-Einheit) verbunden ist.In addition to the chassis design described in DE 44 29 889 A1 with two loose wheel axles (double axle chassis) and coupling of the wheels on one long side by a longitudinal motor with two flanged bevel gear drives, versions are of course also possible in which the longitudinal coupling by a transverse motor and one the motor and both Helical gear unit connecting idler gears. Single-axle trolleys are also conceivable, in which case there is naturally no longitudinal coupling, since only one idler gear is connected to one drive (motor or motor-gearbox unit) on each side.
Für die angetriebene Losradachse als Gegenstand der Erfindung ist es daher ohne Bedeutung, wie das Antriebsmoment an der Antriebsseite der kardanischen Doppelkupplung "erzeugt wird und ob die Losradachse nun in einem Einzel- oder einem Doppelachsfahrwerk eingesetzt wird.For the driven idler axle as the subject of the invention, it is therefore of no importance how the drive torque on the drive side of the gimbal double clutch "is generated and whether the idler axle is now used in a single or a double-axle chassis.
Die Erfindung wird anhand der beigefügten drei Figuren beispielsweise näher erläutert. Es zeigenThe invention is explained in more detail, for example, with the aid of the three figures attached. Show it
Figur 1 die angetriebene Losradachse in der Draufsicht,FIG. 1 is a top view of the driven idler gear axle,
Figur 2 teils im waagerechten Schnitt, teils in der Draufsicht die Anordnung der kardanischen Doppelkupplung sowie dieFigure 2 partly in horizontal section, partly in plan view, the arrangement of the gimbal double clutch and the
Gestaltung des Radträgers für das gummigefederte Rad,Design of the wheel carrier for the rubber-sprung wheel,
Figur 3 schematisch in der Draufsicht die Anwendung der erfindungsgemäßen Losradachse in einem Doppelachsfahrwerk für einen Niederflurwagen.Figure 3 shows schematically in plan view the application of the idler wheel axle according to the invention in a double-axle chassis for a low-floor car.
Der U-förmig ausgebildete Radtragrahmen 1 (Portalachse) der Losradachse umfaßt außen die Räder 2. An den beiden Schenkeln des Radtragrahmens sind die Auflageflächen 14 für die Primärfederung ausgebildet.The U-shaped wheel support frame 1 (portal axis) of the idler wheel axle comprises the wheels 2 on the outside. The bearing surfaces 14 for the primary suspension are formed on the two legs of the wheel support frame.
Auf der Innenseite jedes einzelnen Rades 2 ist die Abtriebsebene 3 der kardanischen Doppelkupplung angeordnet. Wie aus Fig. 2 ersichtlich, ist direkt an der Radscheibe 7 ein Teil der Abtriebskupplung 3 angeordnet. Antriebsebene 4 und Abtriebsebene 3 der kardanischen Doppelkupplung sind über eine Kardanwelle 5 miteinander Verbunden. Diese Kardanwelle 5 ist durch eine Öffnung des Rades 2 und des Radtragrahmens 1 geführt. Die Antriebsseite 4 ist über ein Getrieb 11 mit dem nicht dargestellten auf jeder Seite zwischen den Rädern 2 angeordneten Motor verbunden. Die Antriebs- und die Abtriebsebene 3, 4 der kardanischen Doppelkupplung bestehen in an sich bekannter Weise aus Hohlwellensternen und dazwischen angeordneten Keilpaketen. Das Abtriebszahnrad des Getriebes 11 ist als Hohlwelle ausgebildet. Über die dem Rad abgewandte Seite wird das Antriebsmoment über den mit der Hohlwelle verbundenen Hohlwellenstern auf die Antriebsebene 4 der Hohlwellen- keilpaketkupplung übertragen. Eine durch die Getriebehohlwelle hindurch geführte Kardanwelle 5 leitet das Drehmoment in die Abtriebsebene 3. Diese wiederum besteht aus den gleichen Keiipaketen wie sie in der Antriebsebene 4 verwendet werden und dem mit der Radscheibe 7 verbundenen Radstern.The output plane 3 of the cardanic double clutch is arranged on the inside of each individual wheel 2. As can be seen from FIG. 2, part of the output clutch 3 is arranged directly on the wheel disk 7. Drive level 4 and output level 3 of the cardanic double clutch are connected to one another via a cardan shaft 5. This cardan shaft 5 is guided through an opening of the wheel 2 and the wheel support frame 1. The drive side 4 is connected via a gear 11 to the motor (not shown) arranged on each side between the wheels 2. The drive and output levels 3, 4 of the cardanic double clutch consist of hollow shaft stars and wedge packets arranged in between. The output gear of the transmission 11 is designed as a hollow shaft. Via the side facing away from the wheel, the drive torque is transmitted to the drive plane 4 of the hollow shaft wedge packet coupling via the hollow shaft star connected to the hollow shaft. A cardan shaft 5 guided through the gearbox hollow shaft guides the torque into the output plane 3, which in turn consists of the same key packs as are used in the drive plane 4 and the wheel star connected to the wheel disc 7.
Das Rad 2 ist an der Innenseite des Radtragrahmens 1 über eine Radlagerung 16 auf einem Hohl-Achsstummel 6 direkt oder mittels einer Flanschverbindung gelagert.The wheel 2 is mounted on the inside of the wheel support frame 1 via a wheel bearing 16 on a hollow axle stub 6 directly or by means of a flange connection.
In der Kardanwelle 5 ist der rotierende Teil eines Erdungskontaktes 8 integriert.The rotating part of an earth contact 8 is integrated in the cardan shaft 5.
Der feststehende Teil ist über eine Drehmomentstütze 12, die gleichzeitig auch als Zuleitung dienen kann, mit dem Radtragrahmen verbunden.The fixed part is connected to the wheel support frame via a torque arm 12, which can also serve as a feed line at the same time.
Die Stromführung vom Erdungskontakt zum Radreifen 10 erfolgt über Strombrücken 13, die am Kupplungsstern der Kardanwelle 5 befestigt sind.The current supply from the ground contact to the wheel tire 10 takes place via current bridges 13 which are attached to the coupling star of the propeller shaft 5.
Durch den Gummiring 9 des gummigefederten Rades sowie durch die Gummielemente der Abtriebsebene 3 der kardanischen Doppelkupplung findet eine wirksame Stromisolierung zwischen Radscheibe undThe rubber ring 9 of the rubber-sprung wheel and the rubber elements of the output level 3 of the cardanic double clutch provide effective current insulation between the wheel disc and
Radtragrahmen statt, so daß auf den Einbau stromisolierter Wälzlager zwischen Radscheibe 7 und dem Hohl-Achsstummel 6 verzichtet werden kann.Wheel support frame instead, so that the installation of current-insulated roller bearings between the wheel disc 7 and the hollow stub axle 6 can be dispensed with.
Figur 3 zeigt beispielhaft die Anwendung zweier erfindungsgemäßer Losrad-achsen in einem angetriebenen Doppelachsfahrwerk. Je Fahrwerksiängsseite ist dabei eine Antriebseinheit vorhanden, die aus einem Motor 15 und den jeweils beidseitig angeflanschten Kegelradgetrieben 11 besteht. Die Antriebseinheit ist an einem nicht dargestellten Fahrwerksrahmen aufgehängt, der sich wiederum über die Primärfederauflageflächen 14 auf den Radtragrahmen 1 der beiden Losradachsen abstützt. FIG. 3 shows an example of the use of two idler gear axles according to the invention in a driven double-axle chassis. Each There is a drive unit on the longitudinal side of the chassis, which consists of a motor 15 and the bevel gear transmissions 11 which are flanged on both sides. The drive unit is suspended from a chassis frame, not shown, which in turn is supported via the primary spring support surfaces 14 on the wheel support frame 1 of the two idler wheel axles.
BezugszeichenlisteReference list
I Radtragrahmen (Portalachse) 2 RadI wheel support frame (portal axle) 2 wheels
3 Abtriebsebene der kardanischen Doppelkupplung3 Output level of the cardanic double clutch
4 Antriebsebene der kardanischen Doppelkupplung4 Drive level of the cardanic double clutch
5 Kardanwelle5 cardan shaft
6 Hohl-Achsstummel 7 Radscheibe6 stub axle stub 7 wheel disc
8 Erdungskontakt8 Earth contact
9 Gummiring9 rubber ring
10 Radreifen10 wheel tires
I I Getriebe 12 DrehmomentstützeI I transmission 12 torque arm
13 Strombrücken13 current bridges
14 Auflageflächen für die Primärfederung14 contact surfaces for the primary suspension
15 Motor15 engine
16 Radlagerung 16 wheel bearings

Claims

Patentansprüche claims
1. Angetriebene Losradachse mit einzeln gelagerten Rädern für Einzel- oder Doppelachsfahrwerke für Schienenfahrzeuge, insbesondere für1. Driven loose wheel axle with individually mounted wheels for single or double axle bogies for rail vehicles, especially for
Fahrwerke oder Drehgestelle an Niederflurfahrzeugen, wobei auf jeder Fahrwerksiängsseite außen am Fahrwerksrahmen ein Antrieb befestigt ist und der Antrieb über eine kardanische Doppelkupplung mit dem jeweiligen Losrad verbunden ist, dadurch gekennzeichnet, daß ein Radtragrahmen (1) mit Auflageflächen (14) für dieUndercarriages or bogies on low-floor vehicles, with a drive attached to the outside of the undercarriage frame on each side of the undercarriage and the drive being connected to the respective idler gear via a cardanic double clutch, characterized in that a wheel supporting frame (1) with contact surfaces (14) for the
Primärfederung die beiden Räder (2) von außen umgreift, die Abtriebsebene (3) der kardanischen Doppelkupplung an der Radinnenseite und die Antriebsebene (4) der kardanischen Doppelkupplung außerhalb des Radtragrahmens (1 ) angeordnet ist, und die Kardanwelle (5) als Verbindung zwischen Antriebsebene (4) und Abtriebsebene (3) durch eine zentrale Öffnung des Rades (2) und des Radtragrahmens (1) geführt ist.Primary suspension encompasses the two wheels (2) from the outside, the output level (3) of the cardanic double clutch on the inside of the wheel and the drive level (4) of the cardanic double clutch outside the wheel support frame (1), and the cardan shaft (5) as a connection between the drive level (4) and output level (3) through a central opening of the wheel (2) and the wheel support frame (1) is guided.
2. Angetriebene Losradachse nach Anspruch 1 , dadurch gekennzeichnet, daß das Rad (2) an der Innenseite des2. Driven loose wheel axle according to claim 1, characterized in that the wheel (2) on the inside of the
Radtragrahmens (1 ) auf einem Hohl-Achsstummel (6) direkt oder mittels einer Flanschverbindung gelagert ist.Wheel support frame (1) is mounted on a hollow axle stub (6) directly or by means of a flange connection.
3. Angetriebene Losradachse nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Radscheibe (7) ein Teil der Abtriebsebene3. Driven loose wheel axle according to claim 1 or 2, characterized in that the wheel disc (7) is part of the output plane
(3) der kardanischen Doppelkupplung ist.(3) the gimbal double clutch.
4. Angetriebe Losradachse nach den Anspruch 1 , 2 oder 3, dadurch gekennzeichnet, daß ein Erdungskontakt (8) in die Kardanwelle (5) integriert ist, über eine Drehmomentstütze (12) zum mit dem4. Drive loose wheel axle according to claim 1, 2 or 3, characterized in that an earth contact (8) is integrated in the propeller shaft (5), via a torque arm (12) to the
Radtragrahmen (1 ) verbunden ist, daß Strombrücken (13) vom kardanwellenseitigen Kupplungsstern der Abtriebsebene (3) zum Radreifen (10) führen, und daß über die Gummielemente der Abtriebsebene (3) und den Gummiring (9) des Rades (2) eine Stromisolierung stattfindet. Wheel support frame (1) is connected that current bridges (13) from the cardan shaft coupling star of the output plane (3) to Guide wheel tires (10), and that current insulation takes place via the rubber elements of the output plane (3) and the rubber ring (9) of the wheel (2).
EP97950050A 1996-12-07 1997-10-30 Railway bogie with a driven wheel axle Expired - Lifetime EP0883540B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19650913 1996-12-07
DE19650913A DE19650913A1 (en) 1996-12-07 1996-12-07 Driven idler axle
PCT/EP1997/006001 WO1998024674A1 (en) 1996-12-07 1997-10-30 Driven idler wheel axle

Publications (2)

Publication Number Publication Date
EP0883540A1 true EP0883540A1 (en) 1998-12-16
EP0883540B1 EP0883540B1 (en) 2001-02-07

Family

ID=7813997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97950050A Expired - Lifetime EP0883540B1 (en) 1996-12-07 1997-10-30 Railway bogie with a driven wheel axle

Country Status (7)

Country Link
US (1) US5904102A (en)
EP (1) EP0883540B1 (en)
AT (1) ATE199078T1 (en)
DE (2) DE19650913A1 (en)
ES (1) ES2154913T3 (en)
PT (1) PT883540E (en)
WO (1) WO1998024674A1 (en)

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Also Published As

Publication number Publication date
DE59702987D1 (en) 2001-03-15
WO1998024674A1 (en) 1998-06-11
US5904102A (en) 1999-05-18
ES2154913T3 (en) 2001-04-16
PT883540E (en) 2001-07-31
ATE199078T1 (en) 2001-02-15
EP0883540B1 (en) 2001-02-07
DE19650913A1 (en) 1998-06-10

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