EP0542174B1 - Railway traction unit - Google Patents

Railway traction unit Download PDF

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Publication number
EP0542174B1
EP0542174B1 EP92119154A EP92119154A EP0542174B1 EP 0542174 B1 EP0542174 B1 EP 0542174B1 EP 92119154 A EP92119154 A EP 92119154A EP 92119154 A EP92119154 A EP 92119154A EP 0542174 B1 EP0542174 B1 EP 0542174B1
Authority
EP
European Patent Office
Prior art keywords
vehicle body
drive unit
steel
elements
damping elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP92119154A
Other languages
German (de)
French (fr)
Other versions
EP0542174A1 (en
Inventor
Lutz Schwendt
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.)
Mercedes Benz Group AG
Original Assignee
ABB Patent GmbH
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Filing date
Publication date
Application filed by ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0542174A1 publication Critical patent/EP0542174A1/en
Application granted granted Critical
Publication of EP0542174B1 publication Critical patent/EP0542174B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61F3/02—Types of bogies with more than one axle
    • B61F3/04—Types of bogies with more than one axle with driven axles or wheels
    • 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 rail locomotive according to the preamble of claim 1. It is known to make the mechanical connection of drive units of a rail locomotive with its vehicle body directly via movable suspensions.
  • connection of the drive unit to the vehicle body has elastic elements and / or damping elements which are of different designs and are connected in series, that is to say in series in the vibration transmission path .
  • an intermediate carrier is arranged between the drive unit and the vehicle body, which, with the interposition of elastic and / or damping elements, is both connected to the vehicle body and coupled to the drive unit and serves as an intermediate mass, which additionally has the damping properties favorable influenced.
  • the elastic elements are designed as an elastomer-steel composite body.
  • the damping elements are designed as steel cushions, with steel wool as an insert material.
  • the particular advantage of the invention is that vibrations resulting from the drives are significantly reduced by the series connection of two elastically formed connections with the intermediate carrier acting as an intermediate mass.
  • FIG. 1 shows a schematic illustration in plan view of a bogie frame 12 and two drive units 14 arranged therein in mirror image to one another.
  • the drive units 14 consist of a drive motor 16, a transmission 18 acted upon by this, which via rubber joint couplings 20 or via an interposed one Coupling hollow shaft 22 is each connected to a gear set 24.
  • the drive unit 14 each has two fastening points 26, 28 on the bogie frame 12 and one further fastening point 27, which can only be seen from FIG. 2, on an intermediate carrier 30.
  • the intermediate carrier 30 is attached on both sides symmetrically to its center by means of a guide bolt 32 on the car body 34 located above it, which can only be seen in FIG. 2.
  • damping elements 36 between the vehicle body 34 and the intermediate carrier 30, which are arranged such that direct contact between the intermediate carrier 30 on the one hand and the vehicle body 34 or 32 in vertical and horizontal Direction is prevented.
  • Holding webs 40 are arranged on the underside of the intermediate carrier 30, each of which forms the third fastening point 27 for the drive units 14.
  • the first and second fastening points 26, 28 as well as the third fastening points 27 of the drive units 14 are each formed using elastic elements 42.
  • the damping elements 36 and / or 42 are designed as elastomer-metal elements.
  • the damping elements 36 and / or 42 can also be designed as so-called steel cushions.
  • These steel cushions usually consist of a deformable housing and have a steel wool filling, which is a pile of long steel wires that convert the vibrational energy introduced into one another into frictional heat by rubbing the steel wires together.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Vibration Prevention Devices (AREA)
  • Handcart (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

The invention relates to a railway traction unit with a vehicle body (34) and with at least one power unit (14) which acts on a wheel set (24) and is connected to the vehicle body (34), there being provision for the connection of the power unit (14) to the vehicle body (34) using an intermediate carrier which forms, with the interposition of damping elements (36) and/or of elastic elements (42), both the connection to the vehicle body (34) and to the power unit (14). <IMAGE>

Description

Die Erfindung betrifft ein Schienentriebfahrzeug nach dem Oberbegriff des Anspruchs 1. Es ist bekannt, die mechanische Verbindung von Antriebseinheiten eines Schienentriebfahrzeuges mit dessen Fahrzeugkasten direkt über bewegliche Aufhängungen vorzunehmen.The invention relates to a rail locomotive according to the preamble of claim 1. It is known to make the mechanical connection of drive units of a rail locomotive with its vehicle body directly via movable suspensions.

So ist in der DE-PS 28 22 992 ein Schienentriebfahrzeug mit einem von Radachsen federnd getragenen Drehgestellrahmen und einem darauf gelagerten Fahrzeugrahmen bekanntgeworden, bei welchem die aus einem Elektromotor mit Übersetzungsgetriebe und einem hiervon beaufschlagten Radsatz gebildete Antriebseinheit mittels Pendeln einerseits am Drehgestell und andererseits direkt am Fahrzeugkasten aufgehängt ist.For example, in DE-PS 28 22 992, a rail locomotive with a bogie frame spring-supported by wheel axles and a vehicle frame mounted thereon has become known, in which the drive unit formed by an electric motor with transmission gear and a wheel set acted upon by means of pendulums on the one hand on the bogie and on the other hand directly on Vehicle body is suspended.

Aus dieser unmittelbaren Kopplung der Antriebseinheit mit dem Fahrzeugkasten resultiert das Problem, daß Schwingungen der Fahrmotoren, zum Beispiel aus ungleichförmigen Drehmomenten, auf den Fahrzeugkasten übertragen werden. Dies kann zu einer übermäßigen Geräuschentwicklung infolge Resonanz im Fahrzeugkasten führen. Darüberhinaus können solche Schwingungen, unter Umständen, zum Beispiel infolge Verstärkung durch Resonanz, zu Schäden am eingesetzten Material führen. Insgesamt aber ist der Fahrkomfort beeinträchtigt.This direct coupling of the drive unit to the vehicle body results in the problem that vibrations of the traction motors, for example from non-uniform torques, are transmitted to the vehicle body. This can lead to excessive noise due to resonance in the vehicle body. In addition, such vibrations can, under certain circumstances, for example as a result of amplification by resonance, lead to damage to the material used. Overall, however, driving comfort is impaired.

Ausgehend von diesem Stand der Technik ist es daher Aufgabe der Erfindung eine Verbindung von Antriebseinheit zum Fahrzeugkasten zu schaffen, die bei weitestgehender Unterbindung der Übertragung von mechanischen Schwingungen der Antriebseinheit auf den Fahrzeugkasten einfach realisierbar ist und eine weitgehende Verwendung herkömmlicher Bauteile ermöglicht.Based on this prior art, it is therefore an object of the invention to provide a connection between the drive unit and the vehicle body, which can be easily implemented while largely preventing the transmission of mechanical vibrations of the drive unit to the vehicle body and which allows conventional components to be used to a large extent.

Die Lösung der Aufgabe besteht erfindungsgemäß in den kennzeichnenden Merkmalen des Patentanspruchs 1. Danach ist vorgesehen, daß die Verbindung der Antriebseinheit mit dem Fahrzeugkasten elastische Elemente und/oder Dämpfungselemente aufweist, welche unterschiedlich ausgebildet und in Serie, das heißt hintereinander in den Schwingungsübertragungsweg, geschaltet sind.The object is achieved according to the invention in the characterizing features of patent claim 1. It is provided that the connection of the drive unit to the vehicle body has elastic elements and / or damping elements which are of different designs and are connected in series, that is to say in series in the vibration transmission path .

In erfindungsgemäßer Weiterbildung ist vorgesehen, daß ein Zwischenträger zwischen der Antriebseinheit und dem Fahrzeugkasten angeordnet ist, der unter Zwischenfügung von elastischen und/oder von Dämpfungselementen sowohl mit dem Fahrzeugkasten verbunden als auch mit der Antriebseinheit gekoppelt ist und als Zwischenmasse dient, welche die Dämpfungseigenschaften zusätzlich günstig beeinflußt.In a further development according to the invention it is provided that an intermediate carrier is arranged between the drive unit and the vehicle body, which, with the interposition of elastic and / or damping elements, is both connected to the vehicle body and coupled to the drive unit and serves as an intermediate mass, which additionally has the damping properties favorable influenced.

Gemäß einer Ausgestaltung der Erfindung sind die elastischen Elemente als Elastomer-Stahl-Verbundkörper ausgebildet. In einer weiteren Ausgestaltung sind die Dämpfungselemente als Stahlkissen ausgebildet, mit Stahlwolle als Einlagematerial.According to one embodiment of the invention, the elastic elements are designed as an elastomer-steel composite body. In a further embodiment, the damping elements are designed as steel cushions, with steel wool as an insert material.

Der besondere Vorteil der Erfindung besteht darin, daß Schwingungen, die aus den Antrieben resultieren, durch die Reihenschaltung von zwei elastisch ausgebildeten Verbindungen mit dem als Zwischenmasse wirkenden Zwischenträger entscheidend vermindert ist.The particular advantage of the invention is that vibrations resulting from the drives are significantly reduced by the series connection of two elastically formed connections with the intermediate carrier acting as an intermediate mass.

Diese und weitere vorteilhafte Ausgestaltungen sind Gegenstand der Patentansprüche.These and other advantageous configurations are the subject of the claims.

Anhand eines in der Zeichnung dargestellten Ausführungsbeispieles sollen die Erfindung, vorteilhafte Ausgestaltungen und Verbesserungen der Erfindung näher erläutert und beschrieben werden.The invention, advantageous refinements and improvements of the invention are to be explained and described in more detail using an exemplary embodiment shown in the drawing.

Es zeigen:

Fig. 1
die Draufsicht auf ein schematisch dargestelltes Drehgestell mit erfindungsgemäßem Zwischenträger,
Fig. 2
eine Seitenansicht mit Teilschnitt entlang Schnittlinie II-II in Fig.1,
Show it:
Fig. 1
the top view of a schematically illustrated bogie with intermediate support according to the invention,
Fig. 2
2 shows a side view with partial section along section line II-II in FIG. 1,

In Fig. 1 ist in schematischer Darstellung in Draufsicht ein Drehgestellrahmen 12 und zwei darin spiegelbildlich zueinander angeordnete Antriebseinheiten 14 gezeigt.1 shows a schematic illustration in plan view of a bogie frame 12 and two drive units 14 arranged therein in mirror image to one another.

Die Antriebseinheiten 14 bestehen aus einem Antriebsmotor 16, einem von diesem beaufschlagten Getriebe 18, welches über Gummigelenkkupplungen 20 bzw. über eine zwischengefügte Kupplungshohlwelle 22 jeweils mit einem Radsatz 24 verbunden ist.The drive units 14 consist of a drive motor 16, a transmission 18 acted upon by this, which via rubber joint couplings 20 or via an interposed one Coupling hollow shaft 22 is each connected to a gear set 24.

Die Antriebseinheit 14 besitzt jeweils zwei Befestigungspunkte 26, 28 am Drehgestellrahmen 12 sowie einen nur aus Fig. 2 ersichtlichen weiteren Befestigungspunkt 27 an einem Zwischenträger 30.The drive unit 14 each has two fastening points 26, 28 on the bogie frame 12 and one further fastening point 27, which can only be seen from FIG. 2, on an intermediate carrier 30.

Der Zwischenträger 30 ist beiderseits symmetrisch zu seiner Mitte mittels eines Führungsbolzens 32 am darüber befindlichen, nur aus Fig. 2 ersichtlichen Wagenkasten 34 befestigt.The intermediate carrier 30 is attached on both sides symmetrically to its center by means of a guide bolt 32 on the car body 34 located above it, which can only be seen in FIG. 2.

Erfindungsgemäß ist vorgesehen, wie insbesondere in Fig. 2 gezeigt ist, zwischen den Fahrzeugkasten 34 und den Zwischenträger 30 Dämpfungselemente 36 zwischenzufügen, die so angeordnet sind, daß ein unmittelbarer Kontakt zwischen dem Zwischenträger 30 einerseits und dem Fahrzeugkasten 34 bzw. 32 in vertikaler und horizontaler Richtung verhindert ist.According to the invention it is provided, as shown in particular in Fig. 2, between damping elements 36 between the vehicle body 34 and the intermediate carrier 30, which are arranged such that direct contact between the intermediate carrier 30 on the one hand and the vehicle body 34 or 32 in vertical and horizontal Direction is prevented.

An der Unterseite des Zwischenträgers 30 sind Haltestege 40 angeordnet, welche jeweils den dritten Befestigungspunkt 27 für die Antriebseinheiten 14 bilden.Holding webs 40 are arranged on the underside of the intermediate carrier 30, each of which forms the third fastening point 27 for the drive units 14.

Die ersten und zweiten Befestigungspunkte 26, 28 wie auch die dritten Befestigungspunkte 27 der Antriebseinheiten 14 sind jeweils unter Verwendung elastischer Elemente 42 ausgebildet.The first and second fastening points 26, 28 as well as the third fastening points 27 of the drive units 14 are each formed using elastic elements 42.

Mittels der vorstehend beschriebenen Anordnung, gemäß welcher zwei unterschiedliche Dämpfungsglieder 36, 42 in den Kraftschluß zwischen den Antriebseinheiten 14 und dem Fahrzeugkasten 34 eingefügt sind, werden Schwingungen, die aus den Antriebseinheiten 14 resultieren, zum Beispiel infolge von Drehmomentabweichungen, soweit abgebaut, daß sie sich praktisch nicht mehr auf den Fahrzeugkasten 34 übertragen.By means of the arrangement described above, according to which two different damping members 36, 42 are inserted into the frictional connection between the drive units 14 and the vehicle body 34, vibrations resulting from the drive units 14, for example as a result of torque deviations, are reduced as far as possible, that they are practically no longer transferred to the vehicle body 34.

Die Dämpfungselemente 36 und/oder 42 sind als Elastomer-Metall-Elemente ausgebildet.The damping elements 36 and / or 42 are designed as elastomer-metal elements.

Die Dämpfungselemente 36 und/oder 42 können auch als sogenannte Stahlkissen ausgebildet werden. Diese Stahlkissen bestehen üblicherweise aus einem verformungsfähigen Gehäuse und weisen eine Füllung aus Stahlwolle, das ist ein Haufwerk aus langen Stahldrähten, welche die eingeleitete Schwingungsenergie durch Reibung der Stahldrähte miteinander in Reibungswärme umsetzen.The damping elements 36 and / or 42 can also be designed as so-called steel cushions. These steel cushions usually consist of a deformable housing and have a steel wool filling, which is a pile of long steel wires that convert the vibrational energy introduced into one another into frictional heat by rubbing the steel wires together.

Claims (4)

  1. Rail traction vehicle having a vehicle body (34), a bogie frame (24) [sic] and at least one drive unit (14) which acts on a wheel set (24), is suspended at two points (26, 28) each on the bogie frame (12) and is connected at a further point to the vehicle body (34), characterized in that the connection between the drive unit (14) and the vehicle body (34) has damping elements (36) and/or elastic elements (42) which are of different design and are arranged in series one behind the other in the vibration transmission path.
  2. Rail traction vehicle according to Claim 1, characterized in that an intermediate member (30) is provided which is connected to the vehicle body (34) and to the drive unit (14) in each case with damping elements (36) and/or elastic elements (36, 42) fitted in between.
  3. Rail traction vehicle according to one of the preceding claims, characterized in that the elastic elements (42) are designed as elastomer-steel composite bodies.
  4. Rail traction vehicle according to either of Claims 2 or 3, characterized in that the damping elements (36) are designed [lacuna] steel cushions formed from steel wool and having a deformable envelope and a pile of long steel wires as insert.
EP92119154A 1991-11-13 1992-11-09 Railway traction unit Expired - Lifetime EP0542174B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4137265A DE4137265A1 (en) 1991-11-13 1991-11-13 RAIL VEHICLE
DE4137265 1991-11-13

Publications (2)

Publication Number Publication Date
EP0542174A1 EP0542174A1 (en) 1993-05-19
EP0542174B1 true EP0542174B1 (en) 1995-05-17

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ID=6444672

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Application Number Title Priority Date Filing Date
EP92119154A Expired - Lifetime EP0542174B1 (en) 1991-11-13 1992-11-09 Railway traction unit

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EP (1) EP0542174B1 (en)
AT (1) ATE122622T1 (en)
DE (2) DE4137265A1 (en)
ES (1) ES2074797T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE243129T1 (en) * 1998-04-20 2003-07-15 Bombardier Transp Gmbh DRIVE UNIT FOR A RAIL VEHICLE
CN108045385A (en) * 2017-12-18 2018-05-18 中车长春轨道客车股份有限公司 A kind of variable motor suspension mechanism of rolling stock lateral stiffness

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE483456C (en) * 1929-10-14 Sachsenwerk Licht & Kraft Ag Motor suspension, especially for electrically operated track vehicles
DE59200C (en) * SIEMENS & HALSKE in Berlin S.W., Markgrafenstr. 94 Engine suspension for electrically powered vehicles
DE130932C (en) *
DE475678C (en) * 1929-04-30 Sachsenwerk Licht & Kraft Ag Motor suspension, especially for electrically operated track vehicles
DE478393C (en) * 1929-06-24 Sachsenwerk Licht & Kraft Ag Motor suspension, especially for electrically operated track vehicles
GB245383A (en) * 1925-09-10 1926-01-07 Guido Fornaca An improved spring suspension for the engines of motor vehicles
CH252051A (en) * 1946-05-21 1947-11-30 Werz Jacob Two-axle motor bogie for rail vehicles.
US3468389A (en) * 1967-05-09 1969-09-23 Gen Electric Propulsion units for use with electric drive vehicles
DE2650035C2 (en) * 1976-10-30 1986-07-03 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Bogie arrangement for high-speed electric rail-powered vehicles

Also Published As

Publication number Publication date
ES2074797T3 (en) 1995-09-16
DE59202233D1 (en) 1995-06-22
DE4137265A1 (en) 1993-05-19
ATE122622T1 (en) 1995-06-15
EP0542174A1 (en) 1993-05-19

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