EP2918471B1 - Single axle drive of a rail vehicle - Google Patents

Single axle drive of a rail vehicle Download PDF

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Publication number
EP2918471B1
EP2918471B1 EP14158540.6A EP14158540A EP2918471B1 EP 2918471 B1 EP2918471 B1 EP 2918471B1 EP 14158540 A EP14158540 A EP 14158540A EP 2918471 B1 EP2918471 B1 EP 2918471B1
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EP
European Patent Office
Prior art keywords
motor
bearing
housing
axle drive
wheelset
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EP14158540.6A
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German (de)
French (fr)
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EP2918471A1 (en
Inventor
Bernd Pfannschmidt
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Siemens Mobility GmbH
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Siemens Mobility GmbH
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Publication date
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Priority to ES14158540T priority Critical patent/ES2851327T3/en
Priority to EP14158540.6A priority patent/EP2918471B1/en
Publication of EP2918471A1 publication Critical patent/EP2918471A1/en
Application granted granted Critical
Publication of EP2918471B1 publication Critical patent/EP2918471B1/en
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    • 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
    • B61C9/48—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension
    • B61C9/50—Transmission systems in or for locomotives or motor railcars with electric motor propulsion with motors supported on vehicle frames and driving axles, e.g. axle or nose suspension in bogies

Definitions

  • the invention relates to a single axle drive of a rail vehicle, which is arranged on a wheelset shaft of a wheelset of the rail vehicle.
  • axle-mounted drives i.e. motors with gears
  • peg bearing drives Separation points are required between the motor and the gearbox to mount the drives on the wheelset shaft.
  • Known drives of this type have, for example, as an interface between the motor and the gearbox, a flange surface between a taw bearing tube, which takes over the bearing on the wheelset shaft, and a motor stand, the gearbox housing being finally mounted as a two-shell construction over the gears of the gearbox.
  • a disadvantage of this construction is that it is very costly due to the leg bearing tube and the two-shell gear housing.
  • EP 0 758 602 A2 discloses a sprocket bearing drive in which a rotor shaft of the motor carries an axle extension with a pinion provided on the output-side shaft end and an outer bearing of the rotor shaft with an outer drive-side or A-side rotor shaft bearing on an axle attachment stub and a brush-side or B-side rotor shaft bearing in a B. -side motor end shield is provided.
  • U.S. 3,138,115 A and GB 1 443 316 A each disclose a drive device for driving a wheel set with a transmission which is arranged in a transmission housing consisting of two transmission housing parts.
  • EP 0 792 784 A1 discloses a drive device for a rail vehicle with a drive motor which is supported on a drive axle via a bearing arrangement.
  • CH 136 230 A discloses a cradle bearing motor drive with a gear housing which is flanged to the latter in an axial extension of the motor.
  • EP 2 085 284 A2 discloses a drive device for initiating a drive movement in a wheel set shaft of a rail vehicle with a traction motor and a transmission supported thereon.
  • the invention is based on the object of specifying a single-axle drive of a rail vehicle which is improved in particular with regard to assembly and disassembly.
  • a single axle drive according to the invention of a rail vehicle is arranged on a wheel set shaft of a wheel set of the rail vehicle and comprises a motor, a motor housing surrounding the motor, a transmission and a transmission housing surrounding the transmission.
  • the gear housing consists of two gear housing parts which abut one another in a connecting plane in which a longitudinal axis of the wheelset shaft runs and are releasably connected to one another.
  • the two-part design of the transmission housing and the detachable connection of the transmission housing parts enable the single-axle drive to be mounted on the wheelset shaft and to be removed from the wheelset shaft.
  • the transmission housing parts bear against one another and with one another in a connecting plane containing the longitudinal axis of the wheelset shaft are connected, the transmission housing parts can easily be placed on the wheelset shaft with components arranged thereon, or the wheelset shaft with these components can be inserted into a transmission housing part.
  • a gear housing part has a housing wall which is designed as the motor end shield of the motor on the output side.
  • the motor end shield and a transmission housing part are advantageously designed as one component, whereby the number of components of the single-axle drive is reduced and the assembly and disassembly of the single-axle drive is further facilitated.
  • the gear housing is supported on the wheel set shaft with a first pin bearing, the first pin bearing being designed as a roller bearing, for example a cylindrical roller bearing, running annularly around the wheel set shaft.
  • a preferred use of the invention provides that the connecting plane forms a non-vanishing angle with a vertical axis of the rail vehicle.
  • the angle can advantageously be selected in such a way that it makes it easier to place the transmission housing parts on the wheelset shaft or to insert the wheelset shaft into a transmission housing part and thus facilitate the assembly and disassembly of the single-axle drive. Furthermore, the angle can advantageously be selected such that a floor clearance of the arrangement of the single axle drive on the wheelset shaft is optimized and, for example, in the case of a flange connection of the transmission housing parts, is not impaired by a flange. Another embodiment of the invention provides that the two gear housing parts are connected to one another in the connection plane by means of a flange connection.
  • a flange connection advantageously enables a reliable detachable connection of the transmission housing parts.
  • Another embodiment of the invention provides that a housing end area of the motor housing opposite the output side is supported on the wheelset shaft with a second pawl bearing.
  • the second pawl bearing is also preferably designed as a roller bearing, for example as a ball bearing, running in a ring around the wheelset shaft.
  • a further embodiment of the invention provides a bearing half-shell that surrounds the second pawl bearing halfway around the circumference, rests against the housing end area of the motor housing in the connection plane and is detachably connected to the housing end area.
  • the housing end area of the motor housing and the bearing half-shell are releasably connected to one another in the same connecting plane as the two gear housing parts.
  • Another embodiment of the invention provides that the motor has a motor shaft arranged parallel to the wheelset shaft.
  • This arrangement of the motor shaft, which is characteristic of spider bearing drives, is particularly space-saving and mechanically favorable.
  • a further embodiment of the invention provides that the transmission comprises at least one pinion carried by the motor shaft and a large gear that interacts with the pinion and is carried by the wheelset shaft.
  • FIGs 1 and 2 show a single axle drive 1 of a rail vehicle, which is designed as a so-called tatzlager drive and is arranged on a wheelset shaft 3 of a wheelset with drive wheels 4 of the rail vehicle. It shows FIG 1 a sectional view of the single axle drive 1.
  • FIG 2 shows a side view of the single axle drive 1 with a sectional view of the wheelset shaft 3 from one in FIG 1 right-hand output side of single-axle drive 1.
  • the single-axle drive 1 comprises a motor 5, a motor housing 7, a transmission 10 and a transmission housing 11.
  • the motor 5 has a motor shaft 13 which is arranged parallel to the wheelset shaft 3.
  • One end of the motor shaft 13 on the output side carries a pinion 15 which interacts with a large wheel 17 which is shrunk onto the wheelset shaft 3.
  • the pinion 15 and the large wheel 17 form the transmission 10 of the single axle drive 1, which is designed as a gear transmission.
  • the gear housing 11 surrounds the gear 10.
  • the gear housing 11 is designed in two parts and consists of a first gear housing part 19 and a second gear housing part 21.
  • the two gear housing parts 19, 21 are via a flange connection 23 in a connecting plane 24 in which a longitudinal axis 25 of the wheelset shaft 3 runs, releasably connected to one another by means of first connecting elements 26.
  • the connecting plane 24 divides the space into a first half-space H1, which contains the first transmission housing part 19, and a second half-space H2, which contains the second transmission housing part 21.
  • the first gear housing part 19 has a housing wall 9 which is designed as a motor end shield of the motor 5 on the output side and which receives a motor shaft bearing 12 on the output side.
  • the first gear housing part 19 surrounds the output-side end of the motor shaft 13 and the pinion 15 as well as half-circumferentially the large wheel 17 in the first half-space H1.
  • the second gear housing part 21 surrounds the large wheel 17 in the second half space H2.
  • the single-axle drive 1 is supported on the wheelset shaft 3 with bracket bearings 29, 31.
  • the sprocket bearings 29, 31 are each arranged on the wheelset shaft 3 and are designed as roller bearings that run annularly around the wheelset shaft 3.
  • the gear housing 11 is supported on the wheelset shaft 3 with a first bracket bearing 29.
  • One opposite the output side The housing end area 8 of the motor housing 7 has a bearing receptacle 32 for receiving the second bracket bearing 31, with which the housing end area 8 is supported on the wheelset shaft 3.
  • the second pawl bearing 31 is half-circumferentially surrounded by the housing end area 8 in the first half-space H1 and half-circumferentially by a bearing half-shell 33 in the second half-space H2.
  • the housing end area 8 and the bearing half-shell 33 are detachably connected to one another in the connecting plane 24 by means of second connecting elements 27.
  • first pawl bearing 29 is designed as a cylindrical roller bearing and the second pawl bearing 31 is designed as a ball bearing.
  • first and second connecting elements 26, 27 are each designed as screws.
  • the connecting elements 26, 27 are in the Figures 1 and 2 only indicated by dashed lines as they are not in the plane of the drawing FIG 1 lie and in FIG 2 be covered by other components.
  • first connecting elements 26 are guided on a first side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the second gear housing part 21 through the connecting plane 24 into the first gear housing part 19 and screwed there, and three further first connecting elements 26 are on a second opposite side Side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the second gear housing part 21 through the connecting plane 24 into the first gear housing part 19 and screwed there.
  • the first connecting elements 26 are each guided outside, but in the vicinity of the first bracket bearing 29, through the second transmission housing part 21 into the first transmission housing part 19.
  • three second connecting elements 27 are guided on the first side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the bearing half-shell 33 through the connecting plane 24 into the housing end area 8 and screwed there, and three further second connecting elements 26 are guided on the second side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the bearing half-shell 33 through the connecting plane 24 into the housing end area 8 and screwed there.
  • the second connecting elements 27 are each guided outside, but in the vicinity of the second pawl bearing 31, through the bearing half-shell 33 into the housing end region 8.
  • the connecting plane 25 forms a non-vanishing angle ⁇ with a vehicle vertical axis 28 of the rail vehicle.
  • the angle ⁇ is chosen so that the single axle drive 1 with the first gear housing part 19 can be placed from above onto the wheelset shaft 3 with the shrunk-on large gear 17 and the cradle bearings 19, 21, or that the wheelset shaft 3 with the shrunk-on large gear 17 and the claw bearings 19, 20 can be inserted into the first gear housing part 19 and the housing end region 8.
  • the angle ⁇ is selected such that the flange connection 23 does not impair the clearance of the arrangement of the single axle drive 1 on the wheelset shaft 3.
  • the single axle drive 1 is attached to a bogie of the rail vehicle via a suspension 35 with a torque support 37.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • General Details Of Gearings (AREA)

Description

Die Erfindung betrifft einen Einzelachsantrieb eines Schienenfahrzeugs, der an einer Radsatzwelle eines Radsatzes des Schienenfahrzeugs angeordnet ist.The invention relates to a single axle drive of a rail vehicle, which is arranged on a wheelset shaft of a wheelset of the rail vehicle.

Für Schienenfahrzeuge wie Lokomotiven werden achsbefestigte Antriebe, also Motoren mit Getrieben, als so genannte Tatzlagerantriebe eingesetzt. Zur Montage der Antriebe auf die Radsatzwelle sind Trennstellen zwischen Motor und Getriebe erforderlich.For rail vehicles such as locomotives, axle-mounted drives, i.e. motors with gears, are used as so-called peg bearing drives. Separation points are required between the motor and the gearbox to mount the drives on the wheelset shaft.

Bekannte derartige Antriebe haben beispielsweise als Schnittstelle zwischen Motor und Getriebe eine Flanschfläche zwischen einem Tatzlagerrohr, welches die Lagerung auf der Radsatzwelle übernimmt, und einem Motorständer, wobei das Getriebegehäuse als zweischalige Konstruktion abschließend über die Zahnräder des Getriebes montiert wird. Ein Nachteil dieser Konstruktion ist, dass sie aufgrund des Tatzlagerrohrs und des zweischaligen Getriebegehäuses sehr kostenaufwändig ist.Known drives of this type have, for example, as an interface between the motor and the gearbox, a flange surface between a taw bearing tube, which takes over the bearing on the wheelset shaft, and a motor stand, the gearbox housing being finally mounted as a two-shell construction over the gears of the gearbox. A disadvantage of this construction is that it is very costly due to the leg bearing tube and the two-shell gear housing.

EP 0 758 602 A2 offenbart einen Tatzlagerantrieb, bei dem eine Läuferwelle des Motors einen am abtriebsseitigen Wellenende vorgesehenen Achsansatz mit einem Ritzel trägt und eine Außenlagerung der Läuferwelle mit einem äußeren antriebs- oder A-seitigen Läuferwellenlager an einem Achsansatzstummel und einem bürsten- oder B-seitigen Läuferwellenlager in einem B-seitigen Motorlagerschild vorgesehen ist. EP 0 758 602 A2 discloses a sprocket bearing drive in which a rotor shaft of the motor carries an axle extension with a pinion provided on the output-side shaft end and an outer bearing of the rotor shaft with an outer drive-side or A-side rotor shaft bearing on an axle attachment stub and a brush-side or B-side rotor shaft bearing in a B. -side motor end shield is provided.

US 3 138 115 A und GB 1 443 316 A offenbaren jeweils eine Antriebsvorrichtung zum Antrieb eines Radsatzes mit einem Getriebe, das in einem aus zwei Getriebegehäuseteilen bestehenden Getriebegehäuse angeordnet ist. U.S. 3,138,115 A and GB 1 443 316 A each disclose a drive device for driving a wheel set with a transmission which is arranged in a transmission housing consisting of two transmission housing parts.

EP 0 792 784 A1 offenbart eine Antriebseinrichtung für ein Schienenfahrzeug mit einem Antriebsmotor, der über eine Lageranordnung auf einer Triebachse abgestützt ist. EP 0 792 784 A1 discloses a drive device for a rail vehicle with a drive motor which is supported on a drive axle via a bearing arrangement.

CH 136 230 A offenbart einen Tatzlagermotorantrieb mit einem Getriebegehäuse, das in einer axialen Verlängerung des Motors an letzterem angeflanscht ist. CH 136 230 A discloses a cradle bearing motor drive with a gear housing which is flanged to the latter in an axial extension of the motor.

EP 2 085 284 A2 offenbart eine Antriebsvorrichtung zum Einleiten einer Antriebsbewegung in eine Radsatzwelle eines Schienenfahrzeugs mit einem Fahrmotor und einem daran abgestützten Getriebe. EP 2 085 284 A2 discloses a drive device for initiating a drive movement in a wheel set shaft of a rail vehicle with a traction motor and a transmission supported thereon.

Der Erfindung liegt die Aufgabe zugrunde, einen insbesondere hinsichtlich der Montage und Demontage verbesserten Einzelachsantrieb eines Schienenfahrzeugs anzugeben.The invention is based on the object of specifying a single-axle drive of a rail vehicle which is improved in particular with regard to assembly and disassembly.

Die Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst.According to the invention, the object is achieved by the features of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand abhängiger Patentansprüche.Advantageous embodiments of the invention are the subject of dependent claims.

Ein erfindungsgemäßer Einzelachsantrieb eines Schienenfahrzeugs ist an einer Radsatzwelle eines Radsatzes des Schienenfahrzeugs angeordnet und umfasst einen Motor, ein den Motor umgebendes Motorgehäuse, ein Getriebe und ein das Getriebe umgebendes Getriebegehäuse. Dabei besteht das Getriebegehäuse aus zwei Getriebegehäuseteilen, die in einer Verbindungsebene, in der eine Längsachse der Radsatzwelle verläuft, aneinander anliegen und lösbar miteinander verbunden sind.A single axle drive according to the invention of a rail vehicle is arranged on a wheel set shaft of a wheel set of the rail vehicle and comprises a motor, a motor housing surrounding the motor, a transmission and a transmission housing surrounding the transmission. The gear housing consists of two gear housing parts which abut one another in a connecting plane in which a longitudinal axis of the wheelset shaft runs and are releasably connected to one another.

Die zweiteilige Ausbildung des Getriebegehäuses und die lösbare Verbindung der Getriebegehäuseteile ermöglichen die Montage des Einzelachsantriebs an der Radsatzwelle und die Demontage von der Radsatzwelle. Dadurch, dass die Getriebegehäuseteile in einer die Längsachse der Radsatzwelle enthaltenden Verbindungsebene aneinander anliegen und miteinander verbunden sind, können die Getriebegehäuseteile leicht auf die Radsatzwelle mit daran angeordneten Komponenten aufgesetzt werden bzw. die Radsatzwelle mit diesen Komponenten in ein Getriebegehäuseteil eingelegt werden.The two-part design of the transmission housing and the detachable connection of the transmission housing parts enable the single-axle drive to be mounted on the wheelset shaft and to be removed from the wheelset shaft. Characterized in that the transmission housing parts bear against one another and with one another in a connecting plane containing the longitudinal axis of the wheelset shaft are connected, the transmission housing parts can easily be placed on the wheelset shaft with components arranged thereon, or the wheelset shaft with these components can be inserted into a transmission housing part.

Erfindungsgemäß weist ein Getriebegehäuseteil eine Gehäusewand auf, die als abtriebsseitiges Motorlagerschild des Motors ausgebildet ist.According to the invention, a gear housing part has a housing wall which is designed as the motor end shield of the motor on the output side.

Dadurch werden das Motorlagerschild und ein Getriebegehäuseteil vorteilhaft als ein Bauteil ausgeführt, wodurch die Komponentenanzahl des Einzelachsantriebs reduziert wird und die Montage und Demontage des Einzelachsantriebs weiter erleichtert wird.As a result, the motor end shield and a transmission housing part are advantageously designed as one component, whereby the number of components of the single-axle drive is reduced and the assembly and disassembly of the single-axle drive is further facilitated.

Erfindungsgemäß ist das Getriebegehäuse mit einem ersten Tatzlager an der Radsatzwelle abgestützt , wobei das erste Tatzlager als ein ringförmig um die Radsatzwelle herum verlaufendes Wälzlager, beispielsweise als ein Zylinderrollenlager, ausgebildet ist.According to the invention, the gear housing is supported on the wheel set shaft with a first pin bearing, the first pin bearing being designed as a roller bearing, for example a cylindrical roller bearing, running annularly around the wheel set shaft.

Dies ermöglicht vorteilhaft die Abstützung des Einzelachsantriebs über das Getriebegehäuse an der Radsatzwelle.This advantageously enables the single axle drive to be supported on the wheelset shaft via the gearbox housing.

Eine bevorzugte Verwendung der Erfindung sieht vor, dass die Verbindungsebene einen nicht verschwindenden Winkel mit einer Fahrzeughochachse des Schienenfahrzeugs bildet.A preferred use of the invention provides that the connecting plane forms a non-vanishing angle with a vertical axis of the rail vehicle.

Der Winkel kann dabei vorteilhaft derart gewählt werden, dass er ein Aufsetzen der Getriebegehäuseteile auf die Radsatzwelle bzw. ein Einlegen der Radsatzwelle in ein Getriebegehäuseteil und damit die Montage und Demontage des Einzelachsantriebs erleichtert. Ferner kann der Winkel vorteilhaft derart gewählt werden, dass eine Bodenfreiheit der Anordnung des Einzelachsantriebs an der Radsatzwelle optimiert und beispielsweise im Fall einer Flanschverbindung der Getriebegehäuseteile nicht durch einen Flansch beeinträchtigt wird. Eine weitere Ausgestaltung der Erfindung sieht vor, dass die beiden Getriebegehäuseteile in der Verbindungsebene mittels einer Flanschverbindung miteinander verbunden sind.The angle can advantageously be selected in such a way that it makes it easier to place the transmission housing parts on the wheelset shaft or to insert the wheelset shaft into a transmission housing part and thus facilitate the assembly and disassembly of the single-axle drive. Furthermore, the angle can advantageously be selected such that a floor clearance of the arrangement of the single axle drive on the wheelset shaft is optimized and, for example, in the case of a flange connection of the transmission housing parts, is not impaired by a flange. Another embodiment of the invention provides that the two gear housing parts are connected to one another in the connection plane by means of a flange connection.

Eine Flanschverbindung ermöglicht vorteilhaft eine zuverlässige lösbare Verbindung der Getriebegehäuseteile.A flange connection advantageously enables a reliable detachable connection of the transmission housing parts.

Eine weitere Ausgestaltung der Erfindung sieht vor, dass ein der Abtriebsseite gegenüberliegender Gehäuseendbereich des Motorgehäuses mit einem zweiten Tatzlager an der Radsatzwelle abgestützt ist. Auch das zweite Tatzlager ist dabei vorzugsweise als ein ringförmig um die Radsatzwelle herum verlaufendes Wälzlager, beispielsweise als ein Kuggellager, ausgebildet.Another embodiment of the invention provides that a housing end area of the motor housing opposite the output side is supported on the wheelset shaft with a second pawl bearing. The second pawl bearing is also preferably designed as a roller bearing, for example as a ball bearing, running in a ring around the wheelset shaft.

Dies ermöglicht vorteilhaft die Abstützung des Einzelachsantriebs über den Gehäuseendbereich des Motorgehäuses an der Radsatzwelle.This advantageously enables the support of the single axle drive via the housing end area of the motor housing on the wheelset shaft.

Eine weitere Ausgestaltung der Erfindung sieht eine das zweite Tatzlager halbumfänglich umgebende Lagerhalbschale vor, die in der Verbindungsebene an dem Gehäuseendbereich des Motorgehäuses anliegt und mit dem Gehäuseendbereich lösbar verbunden ist.A further embodiment of the invention provides a bearing half-shell that surrounds the second pawl bearing halfway around the circumference, rests against the housing end area of the motor housing in the connection plane and is detachably connected to the housing end area.

Dadurch sind der Gehäuseendbereich des Motorgehäuses und die Lagerhalbschale in derselben Verbindungsebene lösbar miteinander verbunden wie die beiden Getriebegehäuseteile. Dies vereinfacht weiter die Montage des Einzelachsantriebs an der Radsatzwelle mit den an ihr angeordneten Komponenten (insbesondere den Tatzlagern) und die Demontage des Einzelachsantriebs von der Radsatzwelle mit diesen Komponenten, ohne dass Bauteile des Einzelachsantriebs an der Radsatzwelle verbleiben, so dass die Radsatzwelle und die an ihr angeordneten Komponenten zu Wartungszwecken einfach zugänglich sind.As a result, the housing end area of the motor housing and the bearing half-shell are releasably connected to one another in the same connecting plane as the two gear housing parts. This further simplifies the assembly of the single-axle drive on the wheelset shaft with the components arranged on it (in particular the bracket bearings) and the dismantling of the single-axle drive from the wheelset shaft with these components without components of the single-axle drive remaining on the wheelset shaft, so that the wheelset shaft and the her arranged components are easily accessible for maintenance purposes.

Eine weitere Ausgestaltung der Erfindung sieht vor, dass der Motor eine parallel zu der Radsatzwelle angeordnete Motorwelle aufweist.Another embodiment of the invention provides that the motor has a motor shaft arranged parallel to the wheelset shaft.

Diese für Tatzlagerantriebe charakteristische Anordnung der Motorwelle ist besonders bauraumsparend und mechanisch günstig.This arrangement of the motor shaft, which is characteristic of spider bearing drives, is particularly space-saving and mechanically favorable.

Eine weitere Ausgestaltung der Erfindung sieht vor, dass das Getriebe wenigstens ein von der Motorwelle getragenes Ritzel und ein mit dem Ritzel zusammenwirkendes und von der Radsatzwelle getragenes Großrad umfasst.A further embodiment of the invention provides that the transmission comprises at least one pinion carried by the motor shaft and a large gear that interacts with the pinion and is carried by the wheelset shaft.

Dadurch wird ein einfach realisierbarer und zuverlässiger Antrieb der Radsatzwelle durch den Motor ermöglicht.This enables the wheelset shaft to be driven reliably and easily by the motor.

Die oben beschriebenen Eigenschaften, Merkmale und Vorteile dieser Erfindung sowie die Art und Weise, wie diese erreicht werden, werden klarer und deutlicher verständlich im Zusammenhang mit der folgenden Beschreibung eines Ausführungsbeispiels, das im Zusammenhang mit den Zeichnungen näher erläutert wird. Dabei zeigen:

FIG 1
einen Einzelachsantrieb eines Schienenfahrzeugs in einer Schnittdarstellung, und
FIG 2
einen Einzelachsantrieb eines Schienenfahrzeugs in einer Seitenansicht.
The properties, features and advantages of this invention described above and the manner in which they are achieved will become clearer and more clearly understood in connection with the following description of an exemplary embodiment, which is explained in more detail in connection with the drawings. Show:
FIG 1
a single axle drive of a rail vehicle in a sectional view, and
FIG 2
a single axle drive of a rail vehicle in a side view.

Einander entsprechende Teile sind in den Figuren mit den gleichen Bezugszeichen versehen.Corresponding parts are provided with the same reference symbols in the figures.

Die Figuren 1 und 2 zeigen einen Einzelachsantrieb 1 eines Schienenfahrzeugs, der als ein so genannter Tatzlagerantrieb ausgebildet und an einer Radsatzwelle 3 eines Radsatzes mit Treibrädern 4 des Schienenfahrzeugs angeordnet ist. Dabei zeigt FIG 1 eine Schnittdarstellung des Einzelachsantriebs 1. FIG 2 zeigt eine Seitenansicht des Einzelachsantriebs 1 mit einer Schnittdarstellung der Radsatzwelle 3 von einer in Figur 1 rechts gelegenen Abtriebsseite des Einzelachsantriebs 1.The Figures 1 and 2 show a single axle drive 1 of a rail vehicle, which is designed as a so-called tatzlager drive and is arranged on a wheelset shaft 3 of a wheelset with drive wheels 4 of the rail vehicle. It shows FIG 1 a sectional view of the single axle drive 1. FIG 2 shows a side view of the single axle drive 1 with a sectional view of the wheelset shaft 3 from one in FIG 1 right-hand output side of single-axle drive 1.

Der Einzelachsantrieb 1 umfasst einen Motor 5, ein Motorgehäuse 7, ein Getriebe 10 und ein Getriebegehäuse 11.The single-axle drive 1 comprises a motor 5, a motor housing 7, a transmission 10 and a transmission housing 11.

Der Motor 5 weist eine Motorwelle 13 auf, die parallel zu der Radsatzwelle 3 angeordnet ist. Ein abtriebsseitiges Ende der Motorwelle 13 trägt ein Ritzel 15, das mit einem auf die Radsatzwelle 3 aufgeschrumpften Großrad 17 zusammenwirkt. Das Ritzel 15 und das Großrad 17 bilden das als ein Zahnradgetriebe ausgebildete Getriebe 10 des Einzelachsantriebs 1.The motor 5 has a motor shaft 13 which is arranged parallel to the wheelset shaft 3. One end of the motor shaft 13 on the output side carries a pinion 15 which interacts with a large wheel 17 which is shrunk onto the wheelset shaft 3. The pinion 15 and the large wheel 17 form the transmission 10 of the single axle drive 1, which is designed as a gear transmission.

Das Getriebegehäuse 11 umgibt das Getriebe 10. Das Getriebegehäuse 11 ist zweiteilig ausgebildet und besteht aus einem ersten Getriebegehäuseteil 19 und einem zweiten Getriebegehäuseteil 21. Die beiden Getriebegehäuseteile 19, 21 sind über eine Flanschverbindung 23 in einer Verbindungsebene 24, in der eine Längsachse 25 der Radsatzwelle 3 verläuft, miteinander lösbar mittels ersten Verbindungselementen 26 verbunden. Die Verbindungsebene 24 teilt den Raum in einen ersten Halbraum H1, der den ersten Getriebegehäuseteil 19 enthält, und einen zweiten Halbraum H2, der den zweiten Getriebegehäuseteil 21 enthält. Der erste Getriebegehäuseteil 19 weist eine Gehäusewand 9 auf, die als abtriebsseitiges Motorlagerschild des Motors 5 ausgebildet ist und ein abtriebsseitiges Motorwellenlager 12 aufnimmt. Der erste Getriebegehäuseteil 19 umgibt das abtriebsseitige Ende der Motorwelle 13 und das Ritzel 15 sowie halbumfänglich das Großrad 17 in dem ersten Halbraum H1. Der zweite Getriebegehäuseteil 21 umgibt halbumfänglich das Großrad 17 in dem zweiten Halbraum H2.The gear housing 11 surrounds the gear 10. The gear housing 11 is designed in two parts and consists of a first gear housing part 19 and a second gear housing part 21. The two gear housing parts 19, 21 are via a flange connection 23 in a connecting plane 24 in which a longitudinal axis 25 of the wheelset shaft 3 runs, releasably connected to one another by means of first connecting elements 26. The connecting plane 24 divides the space into a first half-space H1, which contains the first transmission housing part 19, and a second half-space H2, which contains the second transmission housing part 21. The first gear housing part 19 has a housing wall 9 which is designed as a motor end shield of the motor 5 on the output side and which receives a motor shaft bearing 12 on the output side. The first gear housing part 19 surrounds the output-side end of the motor shaft 13 and the pinion 15 as well as half-circumferentially the large wheel 17 in the first half-space H1. The second gear housing part 21 surrounds the large wheel 17 in the second half space H2.

Der Einzelachsantrieb 1 ist mit Tatzlagern 29, 31 an der Radsatzwelle 3 abgestützt. Die Tatzlager 29, 31 sind jeweils an der Radsatzwelle 3 angeordnet und als Wälzlager ausgebildet, die ringförmig um die Radsatzwelle 3 herum verlaufen. Dabei ist das Getriebegehäuse 11 mit einem ersten Tatzlager 29 an der Radsatzwelle 3 abgestützt. Ein der Abtriebsseite gegenüberliegender Gehäuseendbereich 8 des Motorgehäuses 7 weist eine Lageraufnahme 32 zur Aufnahme des zweiten Tatzlagers 31 auf, mit dem der Gehäuseendbereich 8 an der Radsatzwelle 3 abgestützt ist. Das zweite Tatzlager 31 ist in dem ersten Halbraum H1 halbumfänglich von dem Gehäuseendbereich 8 und in dem zweiten Halbraum H2 halbumfänglich von einer Lagerhalbschale 33 umgeben. Der Gehäuseendbereich 8 und die Lagerhalbschale 33 sind in der Verbindungsebene 24 mittels zweiter Verbindungselemente 27 lösbar miteinander verbunden.The single-axle drive 1 is supported on the wheelset shaft 3 with bracket bearings 29, 31. The sprocket bearings 29, 31 are each arranged on the wheelset shaft 3 and are designed as roller bearings that run annularly around the wheelset shaft 3. The gear housing 11 is supported on the wheelset shaft 3 with a first bracket bearing 29. One opposite the output side The housing end area 8 of the motor housing 7 has a bearing receptacle 32 for receiving the second bracket bearing 31, with which the housing end area 8 is supported on the wheelset shaft 3. The second pawl bearing 31 is half-circumferentially surrounded by the housing end area 8 in the first half-space H1 and half-circumferentially by a bearing half-shell 33 in the second half-space H2. The housing end area 8 and the bearing half-shell 33 are detachably connected to one another in the connecting plane 24 by means of second connecting elements 27.

In dem dargestellten Ausführungsbeispiel ist das erste Tatzlager 29 als ein Zylinderrollenlager ausgebildet und das zweite Tatzlager 31 ist als ein Kugellager ausgebildet. Ferner sind die ersten und zweiten Verbindungselemente 26, 27 jeweils als Schrauben ausgebildet. Die Verbindungselemente 26, 27 sind in den Figuren 1 und 2 nur gestrichelt angedeutet, da sie nicht in der Zeichenebene der FIG 1 liegen und in FIG 2 von anderen Komponenten verdeckt werden.In the illustrated embodiment, the first pawl bearing 29 is designed as a cylindrical roller bearing and the second pawl bearing 31 is designed as a ball bearing. Furthermore, the first and second connecting elements 26, 27 are each designed as screws. The connecting elements 26, 27 are in the Figures 1 and 2 only indicated by dashed lines as they are not in the plane of the drawing FIG 1 lie and in FIG 2 be covered by other components.

Drei erste Verbindungselemente 26 sind auf einer ersten Seite der Radsatzwelle 3 orthogonal zu der Verbindungsebene 24 von dem zweiten Getriebegehäuseteil 21 durch die Verbindungsebene 24 in den ersten Getriebegehäuseteil 19 geführt und dort verschraubt, und drei weitere erste Verbindungselemente 26 sind auf einer der ersten Seite gegenüberliegenden zweiten Seite der Radsatzwelle 3 orthogonal zu der Verbindungsebene 24 von dem zweiten Getriebegehäuseteil 21 durch die Verbindungsebene 24 in den ersten Getriebegehäuseteil 19 geführt und dort verschraubt. Die ersten Verbindungselemente 26 sind dabei jeweils außerhalb, aber in der Nähe des ersten Tatzlagers 29 durch den zweiten Getriebegehäuseteil 21 in den ersten Getriebegehäuseteil 19 geführt.Three first connecting elements 26 are guided on a first side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the second gear housing part 21 through the connecting plane 24 into the first gear housing part 19 and screwed there, and three further first connecting elements 26 are on a second opposite side Side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the second gear housing part 21 through the connecting plane 24 into the first gear housing part 19 and screwed there. The first connecting elements 26 are each guided outside, but in the vicinity of the first bracket bearing 29, through the second transmission housing part 21 into the first transmission housing part 19.

Analog dazu sind drei zweite Verbindungselemente 27 auf der ersten Seite der Radsatzwelle 3 orthogonal zu der Verbindungsebene 24 von der Lagerhalbschale 33 durch die Verbindungsebene 24 in den Gehäuseendbereich 8 geführt und dort verschraubt, und drei weitere zweite Verbindungselemente 26 sind auf der zweiten Seite der Radsatzwelle 3 orthogonal zu der Verbindungsebene 24 von der Lagerhalbschale 33 durch die Verbindungsebene 24 in den Gehäuseendbereich 8 geführt und dort verschraubt. Die zweiten Verbindungselemente 27 sind dabei jeweils außerhalb, aber in der Nähe des zweiten Tatzlagers 31 durch die Lagerhalbschale 33 in den Gehäuseendbereich 8 geführt.Analogously to this, three second connecting elements 27 are guided on the first side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the bearing half-shell 33 through the connecting plane 24 into the housing end area 8 and screwed there, and three further second connecting elements 26 are guided on the second side of the wheelset shaft 3 orthogonally to the connecting plane 24 from the bearing half-shell 33 through the connecting plane 24 into the housing end area 8 and screwed there. The second connecting elements 27 are each guided outside, but in the vicinity of the second pawl bearing 31, through the bearing half-shell 33 into the housing end region 8.

Die Verbindungsebene 25 bildet einen nicht verschwindenden Winkel α mit einer Fahrzeughochachse 28 des Schienenfahrzeugs. Der Winkel α wird derart gewählt, dass der Einzelachsantrieb 1 mit dem ersten Getriebegehäuseteil 19 von oben auf die Radsatzwelle 3 mit dem aufgeschrumpften Großrad 17 und den Tatzlagern 19, 21 aufgesetzt werden kann, oder dass die Radsatzwelle 3 mit dem aufgeschrumpften Großrad 17 und den Tatzlagern 19, 20 in den ersten Getriebegehäuseteil 19 und den Gehäuseendbereich 8 eingelegt werden kann. Ferner wird der Winkel α derart gewählt, dass die Flanschverbindung 23 eine Bodenfreiheit der Anordnung des Einzelachsantriebs 1 an der Radsatzwelle 3 nicht beeinträchtigt.The connecting plane 25 forms a non-vanishing angle α with a vehicle vertical axis 28 of the rail vehicle. The angle α is chosen so that the single axle drive 1 with the first gear housing part 19 can be placed from above onto the wheelset shaft 3 with the shrunk-on large gear 17 and the cradle bearings 19, 21, or that the wheelset shaft 3 with the shrunk-on large gear 17 and the claw bearings 19, 20 can be inserted into the first gear housing part 19 and the housing end region 8. Furthermore, the angle α is selected such that the flange connection 23 does not impair the clearance of the arrangement of the single axle drive 1 on the wheelset shaft 3.

Der Einzelachsantrieb 1 wird über eine Aufhängung 35 mit einer Drehmomentenstütze 37 an einem Drehgestell des Schienenfahrzeugs befestigt.The single axle drive 1 is attached to a bogie of the rail vehicle via a suspension 35 with a torque support 37.

Obwohl die Erfindung im Detail durch ein bevorzugtes Ausführungsbeispiel näher illustriert und beschrieben wurde, so ist die Erfindung nicht durch das offenbarte Beispiel eingeschränkt und andere Variationen können vom Fachmann hieraus abgeleitet werden, ohne den Schutzumfang der angehängten Ansprüchen zu verlassen.Although the invention has been illustrated and described in more detail by a preferred exemplary embodiment, the invention is not restricted by the disclosed example and other variations can be derived therefrom by the person skilled in the art without departing from the scope of protection of the appended claims.

Claims (7)

  1. Single axle drive (1), for a rail vehicle,
    - the single axle drive (1) having a wheelset axle (3), and
    - the single axle drive (1) comprising a motor (5), a motor housing (7) which surrounds the motor (5), a transmission (10) and a transmission housing (11) which surrounds the transmission (10),
    - the transmission housing (11) consisting of two transmission housing parts (19, 21) which bear against one another in a connecting plane (24), in which a longitudinal axis (25) of the wheelset axle (3) runs, and are connected releasably to one another,
    the transmission housing (11) being supported by way of a first cannon box bearing (29) on the wheelset axle (3), and
    the first cannon box bearing (29) being arranged on the wheelset axle (3) and being configured as an anti-friction bearing which runs in an annular manner around the wheelset axle (3),
    characterized in that
    a transmission housing part (19, 21) has a housing wall (9) which is configured as an output-side motor bearing plate of the motor (5), which motor bearing plate receives an output-side motor shaft bearing (12).
  2. Single axle drive (1) according to Claim 1,
    characterized
    in that the two transmission housing parts (19, 21) are connected to one another in the connecting plane (24) by means of a flange connection (23).
  3. Single axle drive (1) according to either of the preceding claims, characterized in that a housing end region (8) of the motor housing (7), which housing end region (8) lies opposite the output side, is supported by way of a second cannon box bearing (31) on the wheelset axle (3).
  4. Single axle drive (1) according to Claim 3, characterized in that the second cannon box bearing (31) is configured as an anti-friction bearing which runs in an annular manner around the wheelset axle (3).
  5. Single axle drive (1) according to Claim 4, characterized by a bearing half shell (33) which surrounds the second cannon box bearing (31) in a semicircumferential manner, bears against the housing end region (8) of the motor housing (7) in the connecting plane (24), and is connected releasably to the housing end region (8).
  6. Single axle drive (1) according to one of the preceding claims, characterized in that the motor (5) has a motor shaft (13) which is arranged parallel to the wheelset axle (3).
  7. Single axle drive (1) according to Claim 6,
    characterized in that the transmission (10) comprises at least one pinion (15) which is supported by the motor shaft (13), and a bull gear (17) which interacts with the pinion (15) and is supported by the wheelset axle (3).
EP14158540.6A 2014-03-10 2014-03-10 Single axle drive of a rail vehicle Active EP2918471B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES14158540T ES2851327T3 (en) 2014-03-10 2014-03-10 Single axle drive of a rail vehicle
EP14158540.6A EP2918471B1 (en) 2014-03-10 2014-03-10 Single axle drive of a rail vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14158540.6A EP2918471B1 (en) 2014-03-10 2014-03-10 Single axle drive of a rail vehicle

Publications (2)

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EP2918471A1 EP2918471A1 (en) 2015-09-16
EP2918471B1 true EP2918471B1 (en) 2020-11-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP14158540.6A Active EP2918471B1 (en) 2014-03-10 2014-03-10 Single axle drive of a rail vehicle

Country Status (2)

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EP (1) EP2918471B1 (en)
ES (1) ES2851327T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019211172B4 (en) 2019-07-26 2021-02-25 Siemens Mobility GmbH Single axle drive and rail vehicle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH136230A (en) * 1928-12-10 1929-10-31 Oerlikon Maschf Paw bearing motor drives, in particular for electric vehicles.
US3138115A (en) * 1962-04-18 1964-06-23 Gen Electric Traction motor axle suspension
GB1443316A (en) * 1972-09-16 1976-07-21 Brush Elec Machines Vehicle transmission
DE19530155A1 (en) 1995-08-16 1997-02-20 Siemens Ag Single axle drive of electric traction vehicles
EP0792784B1 (en) * 1996-03-01 2001-05-09 DaimlerChrysler Rail Systems GmbH Driving device for a railway vehicle and railway vehicle provided with at least one of such driving device
DE102008008027A1 (en) * 2008-02-04 2009-08-06 Siemens Aktiengesellschaft Drive device for a rail vehicle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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EP2918471A1 (en) 2015-09-16
ES2851327T3 (en) 2021-09-06

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