EP1686033A2 - Underframe of a running gear module for low-floor rail vehicles - Google Patents

Underframe of a running gear module for low-floor rail vehicles Download PDF

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Publication number
EP1686033A2
EP1686033A2 EP05113088A EP05113088A EP1686033A2 EP 1686033 A2 EP1686033 A2 EP 1686033A2 EP 05113088 A EP05113088 A EP 05113088A EP 05113088 A EP05113088 A EP 05113088A EP 1686033 A2 EP1686033 A2 EP 1686033A2
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EP
European Patent Office
Prior art keywords
ramp
floor panel
parts
bottom plate
sheet metal
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
EP05113088A
Other languages
German (de)
French (fr)
Other versions
EP1686033B1 (en
EP1686033A3 (en
Inventor
Marco Henz
Hubert Kleba-Keydel
Dirk Schillings
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.)
Siemens AG
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1686033A2 publication Critical patent/EP1686033A2/en
Publication of EP1686033A3 publication Critical patent/EP1686033A3/en
Application granted granted Critical
Publication of EP1686033B1 publication Critical patent/EP1686033B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B61F3/16—Types of bogies with a separate axle for each wheel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
    • B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
    • B61F5/50—Other details
    • B61F5/52—Bogie frames

Definitions

  • the invention relates to a chassis of a chassis module for low-floor rail vehicles, with at least one lower base plate and running in the vehicle longitudinal direction side walls that form wheel arches for wheels of a chassis.
  • Aluminum weldments in particular, must take into account strength losses in the area of the welds, either by reducing the allowable stresses or by increasing the wall thickness resulting in a weight increase.
  • car bodies designed as a welded construction are very cost-intensive and particularly susceptible to fatigue strength in the area of the welds, especially at high loads.
  • the invention has for its object to form a base of the generic type with elimination of the aforementioned disadvantages in the simplest possible and cost-wise ago manner so that, above all, a high dimensional accuracy and a strength adapted to the stresses at low weight can be achieved.
  • the bottom plate has a central, horizontally arranged floor panel part and two adjacent to this floor panel part, downwardly inclined ramp sheet metal parts, wherein the lateral walls are connected to the central base plate part and the Rampeblech inconvenience.
  • FIGS. 1 to 3 each show differently executed lower frames of a low-floor chassis module in a perspective view.
  • a bottom plate 1 of a base frame on a central floor panel part 1 a which is arranged horizontally.
  • To the bottom plate 1 further includes two adjacent to the bottom plate part 1a, downwardly inclined ramp sheet parts 1b.
  • side walls 2 With the central base plate part 1a and the ramp sheet metal parts 1b side walls 2 are connected, which extend in the vehicle longitudinal direction and make wheel arches for wheels of a landing gear.
  • the lateral walls 2 each have a bevel 2a produced by edges on their end section facing the bottom sheet metal part 1a and the ramp sheet metal parts 1b.
  • the underframe has two identically designed fork profiles as the end cross member 3, which are welded with the use of fittings 4 with the ramp sheet metal parts 1b of the bottom plate 1 and the side walls 2. Of the four fittings 4 in the drawing plane diagonally opposite fittings 4 are identical.
  • the central floor panel part 1a and the two ramp sheet parts 1b of the floor panel 1 and the lateral walls 2 are an assembly completely made up of U-shaped edges of a single sheet.
  • the downwardly inclined course of the ramp sheet metal parts 1b is created by further forming.
  • the central floor panel part 1a and the two ramp sheet parts 1b of the floor panel 1 and the lateral walls 2 are each one of a total of three subassemblies arranged one behind the other in the longitudinal direction of the subframe. Each of these assemblies is generated by edges of a corresponding sheet.
  • the two outer modules are identical.
  • Fig. 3 it can be seen that the bottom plate part 1a and the two ramp sheet metal parts 1b of the bottom plate 1 are integrally formed.
  • the lateral walls 2 are provided as separate, S-shaped folded components, wherein the ramp-shaped course in the lower region of the bottom plate 1 is taken into account.
  • the side walls 2 are on the one hand with the sheet metal parts 1 a and 1 b of the bottom plate. 1 and on the other hand connected to upper side plates 5 each by welding.
  • the two middle parts and the four outer parts of the lateral walls 2 are identical.
  • the undercarriage according to the invention is characterized by a cost-effective design, a high dimensional accuracy and a stress adapted strength. These advantages are achieved in particular by the reduction of components and welded joints, which are arranged anyway outside of the high voltage areas.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • General Details Of Gearings (AREA)

Abstract

The underframe has a lower base plate (1), and side walls (2) that runs in a longitudinal direction of a vehicle and forms an housing for wheels of a running gear. The plate has a base plate part (1a) and two ramp plate parts (1b) adjacent to the part (1a). The side walls are connected to the base plate part and ramp plate parts. The side walls have a taper at its end section which is assigned to the parts (1a, 1b).

Description

Die Erfindung betrifft ein Untergestell eines Fahrwerkmoduls für Niederflur-Schienenfahrzeuge, mit zumindest einer unteren Bodenplatte sowie in Fahrzeuglängsrichtung verlaufenden seitlichen Wandungen, die Radkästen für Räder eines Fahrwerks bilden.The invention relates to a chassis of a chassis module for low-floor rail vehicles, with at least one lower base plate and running in the vehicle longitudinal direction side walls that form wheel arches for wheels of a chassis.

Durch die DE 196 18 637 A1 und speziell durch die Zeitschrift "Der Nahverkehr", Nr.6/96, Seite 50, ist ein als zweiachsiges Fahrwerkmodul ausgeführter Wagenkasten eines niederflurigen Straßenfahrzeuges bekannt. Bei diesem Fahrwerkmodul sind zwischen zwei unteren Gelenkendträgern und einer mittigen, horizontal verlaufenden Bodenplatte zwei Aluminiumplatten als Anrampung eingeschweißt und weiter mit aus Blechen hergestellten Radkästen durch Schweißen verbunden. Bei derartigen Schweißkonstruktionen treten unabhängig davon, ob sie aus Aluminium oder Stahl erstellt sind, durch Schweißwärme und Schrumpf relativ hohe Verformungen (Schweißverzug) auf, deren Ausgleich durch nachträgliches Richten einen beträchtlichen Aufwand verursacht. Besonders bei Schweißkonstruktionen aus Aluminium müssen Festigkeitsverluste im Bereich der Schweißnähte berücksichtigt werden, entweder durch Reduzieren der zulässigen Spannungen oder durch Vergrößern der Wanddicken mit der Folge eines Gewichtsanstiegs. Zusammenfassend betrachtet sind als Schweißkonstruktion ausgeführte Wagenkästen sehr kostenintensiv und speziell bei hohen Beanspruchungen im Bereich der Schweißnähte hinsichtlich der Dauerfestigkeit anfällig.By DE 196 18 637 A1 and especially by the magazine "The local traffic", No.6 / 96, page 50, a designed as a biaxial suspension module car body of a low-floor road vehicle is known. In this suspension module, two aluminum plates are welded between two lower joint end supports and a central, horizontally extending base plate as Anrampung and further connected to manufactured from sheet metal wheel arches by welding. In such welded constructions, regardless of whether they are made of aluminum or steel, by welding heat and shrinkage relatively high deformations (welding distortion), the compensation caused by subsequent straightening a considerable effort. Aluminum weldments, in particular, must take into account strength losses in the area of the welds, either by reducing the allowable stresses or by increasing the wall thickness resulting in a weight increase. In summary, car bodies designed as a welded construction are very cost-intensive and particularly susceptible to fatigue strength in the area of the welds, especially at high loads.

Der Erfindung liegt die Aufgabe zugrunde, ein Untergestell der gattungsgemäßen Art unter Beseitigung der vorgenannten Nachteile auf möglichst einfache und von den Kosten her günstige Weise so auszubilden, dass vor allem eine hohe Maßgenauigkeit und eine den Beanspruchungen angepasste Festigkeit bei niedrigem Gewicht erreichbar sind.The invention has for its object to form a base of the generic type with elimination of the aforementioned disadvantages in the simplest possible and cost-wise ago manner so that, above all, a high dimensional accuracy and a strength adapted to the stresses at low weight can be achieved.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Bodenplatte ein zentrales, horizontal angeordnetes Bodenblechteil und zwei an dieses Bodenblechteil angrenzende, nach unten geneigte Rampenblechteile aufweist, wobei die seitlichen Wandungen mit dem zentralen Bodenblechteil und den Rampenblechteilen verbunden sind.This object is achieved in that the bottom plate has a central, horizontally arranged floor panel part and two adjacent to this floor panel part, downwardly inclined ramp sheet metal parts, wherein the lateral walls are connected to the central base plate part and the Rampeblechteilen.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.

Ausführungsbeispiele der Erfindung sind in der der Zeichnung prinzipartig dargestellt und werden im Folgenden näher beschrieben.Embodiments of the invention are illustrated in principle in the drawing and will be described in more detail below.

Die Fig. 1 bis 3 zeigen jeweils unterschiedlich ausgeführte Untergestelle eines niederflurigen Fahrwerkmoduls in perspektivischer Darstellung.FIGS. 1 to 3 each show differently executed lower frames of a low-floor chassis module in a perspective view.

In allen Ausführungsbeispielen weist eine Bodenplatte 1 eines Untergestelles ein zentrales Bodenblechteil 1a auf, das horizontal angeordnet ist. Zur Bodenplatte 1 gehören weiter zwei an das Bodenblechteil 1a angrenzende, nach unten geneigte Rampenblechteile 1b. Mit dem zentralen Bodenblechteil 1a und den Rampenblechteilen 1b sind seitliche Wandungen 2 verbunden, die in Fahrzeuglängsrichtung verlaufen und Radkästen für Räder eines Fahrwerks bilden. Die seitlichen Wandungen 2 weisen an ihrem dem Bodenblechteil 1a und den Rampenblechteilen 1b zugewandten Endabschnitt jeweils eine durch Kanten hergestellte Abschrägung 2a auf. Im Übrigen hat das Untergestell zwei identisch gestaltete Gabelprofile als Endquerträger 3, die unter Einsatz von Formstücken 4 mit den Rampenblechteilen 1b der Bodenplatte 1 und den seitlichen Wandungen 2 verschweißt werden. Von den insgesamt vier Formstücken 4 sind die in Zeichnungsebene diagonal gegenüberliegenden Formstücke 4 identisch.In all embodiments, a bottom plate 1 of a base frame on a central floor panel part 1 a, which is arranged horizontally. To the bottom plate 1 further includes two adjacent to the bottom plate part 1a, downwardly inclined ramp sheet parts 1b. With the central base plate part 1a and the ramp sheet metal parts 1b side walls 2 are connected, which extend in the vehicle longitudinal direction and make wheel arches for wheels of a landing gear. The lateral walls 2 each have a bevel 2a produced by edges on their end section facing the bottom sheet metal part 1a and the ramp sheet metal parts 1b. Incidentally, the underframe has two identically designed fork profiles as the end cross member 3, which are welded with the use of fittings 4 with the ramp sheet metal parts 1b of the bottom plate 1 and the side walls 2. Of the four fittings 4 in the drawing plane diagonally opposite fittings 4 are identical.

Gemäß Fig. 1 sind das zentrale Bodenblechteil 1a und die beiden Rampenblechteile 1b der Bodenplatte 1 sowie die seitlichen Wandungen 2 eine vollständig durch U-förmiges Kanten eines einzigen Bleches hergestellte Baugruppe. Bei dieser Baugruppe wird der nach unten geneigte Verlauf der Rampenblechteile 1b durch weiteres Umformen geschaffen.According to FIG. 1, the central floor panel part 1a and the two ramp sheet parts 1b of the floor panel 1 and the lateral walls 2 are an assembly completely made up of U-shaped edges of a single sheet. In this assembly, the downwardly inclined course of the ramp sheet metal parts 1b is created by further forming.

Wie aus Fig. 2 ersichtlich ist, sind das zentrale Bodenblechteil 1a und die beiden Rampenblechteile 1b der Bodenplatte 1 sowie die seitlichen Wandungen 2 jeweils eine von insgesamt drei in Längsrichtung des Untergestelles hintereinander angeordneten Baugruppen. Dabei ist jede dieser Baugruppen durch Kanten eines entsprechenden Bleches erzeugt. Die beiden äußeren Baugruppen sind identisch.As can be seen from FIG. 2, the central floor panel part 1a and the two ramp sheet parts 1b of the floor panel 1 and the lateral walls 2 are each one of a total of three subassemblies arranged one behind the other in the longitudinal direction of the subframe. Each of these assemblies is generated by edges of a corresponding sheet. The two outer modules are identical.

Aus Fig. 3 ist erkennbar, dass das Bodenblechteil 1a und die beiden Rampenblechteile 1b der Bodenplatte 1 einstückig ausgebildet sind. Die seitlichen Wandungen 2 sind als separate, S-förmig gekantete Bauelemente vorgesehen, wobei der rampenförmige Verlauf im unteren Bereich der Bodenplatte 1 berücksichtigt ist. Die seitlichen Wandungen 2 sind einerseits mit den Blechteilen 1a und 1b der Bodenplatte 1 und andererseits mit oberen Seitenblechen 5 jeweils durch Schweißen verbunden. Bei der Ausführung nach Fig. 3 sind die beiden Mittelteile und die vier Außenteile der seitlichen Wandungen 2 jeweils identisch.From Fig. 3 it can be seen that the bottom plate part 1a and the two ramp sheet metal parts 1b of the bottom plate 1 are integrally formed. The lateral walls 2 are provided as separate, S-shaped folded components, wherein the ramp-shaped course in the lower region of the bottom plate 1 is taken into account. The side walls 2 are on the one hand with the sheet metal parts 1 a and 1 b of the bottom plate. 1 and on the other hand connected to upper side plates 5 each by welding. In the embodiment of FIG. 3, the two middle parts and the four outer parts of the lateral walls 2 are identical.

Das Untergestell nach der Erfindung zeichnet sich aus durch eine kostengünstige Bauweise, eine hohe Maßgenauigkeit sowie eine den Beanspruchungen angepasste Festigkeit. Diese Vorteile werden insbesondere erzielt durch die Reduzierung von Bauteilen und Schweißnahtverbindungen, die jedenfalls außerhalb der Bereiche hoher Spannungen angeordnet sind.The undercarriage according to the invention is characterized by a cost-effective design, a high dimensional accuracy and a stress adapted strength. These advantages are achieved in particular by the reduction of components and welded joints, which are arranged anyway outside of the high voltage areas.

Claims (5)

Untergestell eines Fahrwerkmoduls für Niederflur-Schienenfahrzeuge, mit zumindest einer unteren Bodenplatte (1) sowie in Fahrzeuglängsrichtung verlaufenden seitlichen Wandungen (2), die Radkästen für Räder eines Fahrwerks bilden,
dadurch gekennzeichnet,
dass die Bodenplatte (1) ein zentrales, horizontal angeordnetes Bodenblechteil (1a) und zwei an dieses Bodenblechteil (1a) angrenzende, nach unten geneigte Rampenblechteile (1b) aufweist, wobei die seitlichen Wandungen (2) mit dem zentralen Bodenblechteil (1a) und den Rampenblechteilen (1b) verbunden sind.Undercarriage of a chassis module for low-floor rail vehicles, with at least one lower floor panel (1) and running in the vehicle longitudinal direction side walls (2), which form wheel arches for wheels of a chassis,
characterized,
in that the floor panel (1) has a central, horizontally arranged floor panel part (1a) and two downwardly inclined ramp sheet parts (1b) adjoining this floor panel part (1a), the lateral walls (2) being connected to the central floor panel part (1a) and the Ramp sheet metal parts (1b) are connected. Untergestell nach Anspruch 1,
dadurch gekennzeichnet,
dass das zentrale Bodenblechteil (1a) und die beiden Rampenblechteile (1b) der Bodenplatte (1) sowie die seitlichen Wandungen (2) eine vollständig durch Kanten eines einzigen Bleches hergestellte Baugruppe sind, bei welcher der nach unten geneigte Verlauf der Rampenblechteile (1b) durch weiteres Umformen geschaffen ist.Underframe according to claim 1,
characterized,
that the central base plate part (1a) and the two ramp sheet parts (1b) of the bottom plate (1) and the side walls (2) are an assembly made entirely by edges of a single sheet, wherein the downwardly inclined course of the ramp sheet metal parts (1b) further forming is created. Untergestell nach Anspruch 1,
dadurch gekennzeichnet,
dass das zentrale Bodenblechteil (1a) und die beiden Rampenblechteile (1b) der Bodenplatte (1) sowie die seitlichen Wandungen (2) jeweils eine von insgesamt drei in Längsrichtung des Untergestelles hintereinander angeordneten Baugruppen sind, wobei jede dieser Baugruppen durch Kanten eines entsprechenden Bleches erzeugt ist.Underframe according to claim 1,
characterized,
in that the central bottom plate part (1a) and the two ramp sheet parts (1b) of the bottom plate (1) and the side walls (2) are each one of a total of three subassemblies arranged one after the other in the longitudinal direction of the subframe, each of these subassemblies being produced by edges of a corresponding plate is. Untergestell nach Anspruch 1,
dadurch gekennzeichnet,
dass das Bodenblechteil (1a) und die beiden Rampenblechteile (1b) der Bodenplatte (1) einstückig ausgebildet sind, wobei die seitlichen Wandungen (2) als separate Bauelemente vorgesehen und mit den Blechteilen (1a, 1b) der Bodenplatte (1) jeweils durch Schweißen verbunden sind.Underframe according to claim 1,
characterized,
that the floor panel part (1a) and the two ramp sheet metal parts (1b) of the base plate (1) are formed integrally with the lateral walls (2) provided as separate components and with the sheet metal parts (1a, 1b) of the bottom plate (1) by welding, respectively are connected. Untergestell nach eine der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
dass die seitlichen Wandungen (2) an ihrem dem Bodenblechteil (1a) und den Rampenblechteilen (1b) zugewandten Endabschnitt jeweils eine durch Kanten hergestellte Abschrägung (2a) aufweisen.Underframe according to one of claims 1 to 4,
characterized,
in that the lateral walls (2) each have a bevel (2a) produced by edges on their end section facing the base plate part (1a) and the ramp plate parts (1b).
EP05113088A 2005-01-27 2005-12-30 Underframe of a running gear module for low-floor rail vehicles Not-in-force EP1686033B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005003900A DE102005003900A1 (en) 2005-01-27 2005-01-27 Underframe of a chassis module for low-floor rail vehicles

Publications (3)

Publication Number Publication Date
EP1686033A2 true EP1686033A2 (en) 2006-08-02
EP1686033A3 EP1686033A3 (en) 2007-10-24
EP1686033B1 EP1686033B1 (en) 2012-04-18

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EP05113088A Not-in-force EP1686033B1 (en) 2005-01-27 2005-12-30 Underframe of a running gear module for low-floor rail vehicles

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EP (1) EP1686033B1 (en)
AT (1) ATE553974T1 (en)
DE (1) DE102005003900A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3153377A1 (en) 2015-10-09 2017-04-12 Bombardier Transportation GmbH Soil group for a rail vehicle carbody

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604676A1 (en) 1986-10-04 1988-04-08 Gutehoffnungshuette Man VEHICLE WITH MULTIPLE TRACK ELEMENTS FOR TRAFFIC ON SMALL DISTANCES
DE19618637A1 (en) 1995-05-24 1996-11-28 Duewag Ag Running gear for rail vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1121641B (en) * 1956-06-18 1962-01-11 Budd Co Underframe for railway passenger cars
DE19825858A1 (en) * 1998-06-10 1999-12-23 Abb Daimler Benz Transp Wagons, in particular for a rail vehicle
DE20118583U1 (en) * 2001-11-14 2003-03-27 Siemens Ag Floor assembly of body of especially railway wagon has floor plate and wheel arch section formed in one piece by cast component or canted sheet metal element or hydro-formed sheet metal element
DE10329083A1 (en) * 2003-06-27 2005-01-27 Siemens Ag Floor group of a car body, especially for rail vehicles

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604676A1 (en) 1986-10-04 1988-04-08 Gutehoffnungshuette Man VEHICLE WITH MULTIPLE TRACK ELEMENTS FOR TRAFFIC ON SMALL DISTANCES
DE19618637A1 (en) 1995-05-24 1996-11-28 Duewag Ag Running gear for rail vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3153377A1 (en) 2015-10-09 2017-04-12 Bombardier Transportation GmbH Soil group for a rail vehicle carbody
DE102015219604A1 (en) 2015-10-09 2017-04-13 Bombardier Transportation Gmbh Floor assembly for a railcar box

Also Published As

Publication number Publication date
EP1686033B1 (en) 2012-04-18
ATE553974T1 (en) 2012-05-15
DE102005003900A1 (en) 2006-08-03
EP1686033A3 (en) 2007-10-24

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