EP3036145B1 - Bogie frame - Google Patents
Bogie frame Download PDFInfo
- Publication number
- EP3036145B1 EP3036145B1 EP14747889.5A EP14747889A EP3036145B1 EP 3036145 B1 EP3036145 B1 EP 3036145B1 EP 14747889 A EP14747889 A EP 14747889A EP 3036145 B1 EP3036145 B1 EP 3036145B1
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- EP
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- Prior art keywords
- bogie frame
- support
- longitudinal
- chord
- frame according
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- 230000007704 transition Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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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
- 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
Description
Die Erfindung betrifft einen Drehgestellrahmen für ein Schienenfahrzeug, umfassend zwei Längsträger und zumindest einen Querträger.The invention relates to a bogie frame for a rail vehicle, comprising two side members and at least one cross member.
Ein solcher Drehgestellrahmen ist z.B. von der
Die Erfindung ist sowohl auf Drehstellrahmen mit innengelagertem Drehgestell, wo also im montierten Zustand die Räder des Schienenfahrzeugs außerhalb der Längsträger angeordnet sind, als auch auf außengelagerte Drehgestelle anwendbar.The invention can be used both on bogies with an internally mounted bogie, ie where the wheels of the rail vehicle are arranged outside of the longitudinal members in the assembled state, and on bogies mounted on the outside.
Die Kräfteübertragung in einem Drehgestell zwischen den verschiedenen Funktionseinheiten, wie Antrieb oder Bremse, übernimmt der Drehgestellrahmen. Speziell bei Drehgestellen für Hochgeschwindigkeitszüge ist eine hohe Längs- und Diagonalsteifigkeit des Drehgestellrahmens für die Radsätze betriebsnotwendig. Durch die betrieblich bedingte hohe Beanspruchung und die nötige Betriebssicherheit wird der Drehgestellrahmen mit hohem Material- und Fertigungsaufwand hergestellt. Daraus ergibt sich neben hohen Kosten in technischer Hinsicht ein hohes Gewicht des Drehgestellrahmens.The bogie frame takes over the power transmission in a bogie between the different functional units, such as drive or brake. Especially with bogies for high-speed trains, a high longitudinal and diagonal stiffness of the bogie frame for the wheel sets is necessary for operation. Due to the operationally high demands and the necessary operational safety, the bogie frame is manufactured with high material and manufacturing costs. In addition to high costs from a technical point of view, this results in a high weight of the bogie frame.
Um den hohen Beanspruchungen des Drehgestellrahmens gerecht zu werden, wurden bisher zu deren Herstellung Kastenträger verwendet, also geschlossene Hohlträger, die aus miteinander verschweißten Blechen gefertigt sind. Da nach dem Verschließen eines solchen Kastens mit dem Obergurt, ist die Herstellung einer Schweißnahtgegenlage auf der Seite der Schweißnahtwurzel aufgrund fehlender Zugänglichkeit nicht mehr möglich, daher kann die Schweißnaht nicht mit den gleichen Kräften belastet werden wie eine mit Gegenlage hergestellte. In diesem Fall müssen die Blechstärken erhöht werden, um die Schweißnähte in Folge dicker und daher auch kräftiger ausführen zu können. Dadurch erhöhen sich das Gewicht des Drehgestellrahmens und der Fertigungsaufwand weiter.In order to meet the high demands of the bogie frame, box girders have been used to manufacture them, i.e. closed hollow girders made of sheet metal welded together. Since after the closure of such a box with the top chord, the production of a weld seam counter on the side of the weld seam root is not possible due to the lack of accessibility more possible, therefore the weld seam cannot be loaded with the same forces as one made with a counterpart. In this case, the sheet thickness must be increased in order to make the welds thicker and therefore stronger as a result. This further increases the weight of the bogie frame and the manufacturing effort.
Es ist daher eine Aufgabe der vorliegenden Erfindung, einen Drehgestellrahmen zur Verfügung zu stellen, welcher gegenüber geschlossenen Hohlträgern weniger Gewicht hat.It is therefore an object of the present invention to provide a bogie frame which has less weight than closed hollow beams.
Diese Aufgabe wird durch einen Drehgestellrahmen mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den jeweiligen abhängigen Ansprüchen definiert.This object is achieved by a bogie frame with the features of claim 1. Advantageous embodiments of the invention are defined in the respective dependent claims.
Dabei ist vorgesehen, dass die Längsträger und zumindest ein Querträger jeweils ausschließlich aus einem offenen Profil gebildet sind.It is provided that the longitudinal members and at least one cross member are each formed exclusively from an open profile.
Mit dem Begriff "ausschließlich" werden aus dem Stand der Technik bekannte Längs- oder Querträger, die neben einem geschlossenen Hohlprofil auch ein offenes Profil aufweisen, ausgeschlossen.The term "exclusively" excludes longitudinal or cross members known from the prior art which, in addition to a closed hollow profile, also have an open profile.
Da ein offenes Profil gegenüber einem geschlossenen Hohlträger bei gleichen oder sehr ähnlichen Außenmaßen in der Regel weniger Gewicht hat, kann hierdurch das Gewicht des Drehgestellrahmens reduziert werden. Dabei ist das offene Profil - bezogen auf den eingebauten Zustand des Drehgestellrahmens - in der Regel nach oben, nach unten, oder zu den Seiten geöffnet.Since an open profile generally has less weight than a closed hollow beam with the same or very similar external dimensions, the weight of the bogie frame can be reduced. The open profile - based on the installed condition of the bogie frame - is usually open upwards, downwards or to the sides.
Insbesondere kann vorgesehen werden, dass die offenen Profile durch Verschweißen aus mehreren, überwiegend ebenen, Trägerteilen gebildet und die Schweißnähte zwischen den Trägerteilen aufgrund der offenen Breite des Profils mit einer Gegenlage ausgeführt sind. Es wird somit für jede Schweißnaht eine Schweißnahtgegenlage hergestellt, was wiederum hilft, die Blechstärken und damit das Gewicht des Drehgestellrahmens, auf Grund der besseren Festigkeitsausnutzung des Materials, zu verringern.In particular, it can be provided that the open profiles are formed by welding from a plurality of, predominantly flat, support parts, and the weld seams between the support parts are made with a counter surface due to the open width of the profile. A weld seam counter is therefore produced for each weld seam, which in turn helps to reduce the sheet thicknesses and thus the weight of the bogie frame due to the better use of strength of the material.
Neben der einfacheren Fertigung ist die bei Schienenfahrzeugen betrieblich vorgeschriebene Inspektion einfacher und schneller durchzuführen. Weiters kommt dieser Vorteil auch im Zuge der Hauptrevision zum Tragen, da die übliche teure Bauteilprüfung mit Endoskop und Durchstrahlung durch eine weniger aufwändige Oberflächenrissprüfung ersetzt werden kann.In addition to the simpler production, the inspection prescribed for rail vehicles is easier and faster to carry out. This advantage also comes into play in the course of the main overhaul, since the usual expensive component inspection with endoscope and radiography can be replaced by a less complex surface crack inspection.
Wenn das offene Profil durch Weglassen eines Gurtes oder Steges, also eines Deckblechs, eines geschlossenen Hohlprofils gebildet wird, fallen sowohl dieses Deckblech als auch die beiden zugehörigen Schweißnähte weg, die verbleibenden maßgeblichen Schweißnähte sind beidseitig zugänglich. Diese können somit durchgängig als Schweißnaht mit Schweißnahtgegenlage hergestellt werden.If the open profile is formed by omitting a belt or web, that is to say a cover plate, of a closed hollow profile, both this cover plate and the two associated weld seams are eliminated, the remaining relevant weld seams being accessible on both sides. These can thus be produced consistently as a weld with a weld backing.
Erfindungsgemäß ist vorgesehen, dass die Längsträger keinen Obergurt, sondern nur einen Untergurt aufweisen, der bzw. die äußeren Querträger keinen Untergurt, sondern nur einen Obergurt aufweisen, wobei die Untergurte der Längsträger starr (also etwa ohne Gelenke) in die Obergurte des bzw. der inneren Querträger übergehen. Dies könnte grundsätzlich etwa durch Verschweißen der Untergurte der Längsträger mit den Obergurten der Querträger im Bereich der Querträger verwirklicht werden.According to the invention, it is provided that the side members have no top flange, but only a bottom flange, and the outer crossmember has no bottom flange, but only an top flange, the bottom flange of the side rails being rigid (i.e. without joints) into the top flange of the or the pass over the inner cross member. In principle, this could be achieved, for example, by welding the lower chords of the longitudinal beams to the upper chords of the cross beams in the area of the cross beams.
Eine besonders stabile Ausführung, die besonders für Hochgeschwindigkeitszüge geeignet ist, besteht darin, dass die Untergurte der Längsträger und die Obergurte zumindest eines Querträgers aus einem Teil gefertigt sind. Dabei wird also auf die übliche Trennung von Längs- und Querträger verzichtet, bei denen die Verschweißung von Längs- und Querträger immer auch eine Schwachstelle darstellt. Durch die einteilige Ausführung kann trotz erheblicher Materialeinsparung eine hohe Schubsteifigkeit für die Radsatzführung und damit eine gute Laufstabilität des Fahrzeugs bewirkt werden. Ein Schienenfahrzeug mit einem solchen Drehgestellrahmen hat folglich gegenüber Drehgestellrahmen aus geschlossenen Hohlprofilen eine höhere Transportkapazität, da weniger Antriebs- und Bremsleistung benötigt wird und folglich der Radsatz, die Bremseinheiten und die Radsatzführung einem geringeren Verschleiß unterliegen.A particularly stable design, which is particularly suitable for high-speed trains, is that the lower chords of the side members and the upper chords of at least one cross member are made from one part. The usual separation of longitudinal and cross members is thus omitted, in which the welding of longitudinal and cross members always represents a weak point. Thanks to the one-piece design, a high degree of shear rigidity for the wheelset guidance and thus good running stability of the vehicle can be achieved despite considerable material savings. A rail vehicle with such a bogie frame consequently has a higher transport capacity than bogie frames made of closed hollow profiles, since less drive and braking power is required and consequently the wheelset, the brake units and the wheelset guide are subject to less wear.
Die Stabilität wird noch weiter erhöht, wenn der Untergurt des Längsträgers über die gesamte Länge des Längsträgers durchgezogen ist.The stability is further increased if the lower flange of the side member is pulled through the entire length of the side member.
Eine mögliche Ausführungsform des Übergangs zwischen Längs- und Querträger ist, dass der Untergurt der Längsträger auf den Obergurt zumindest eines Querträgers eben übergeht. Dies kann etwa für den oder die Querträger im mittleren Bereich der Längsträger vorgesehen sein, wo die Längsträger nach unten gekröpft sind.A possible embodiment of the transition between the longitudinal and transverse beams is that the lower flange of the longitudinal beams transitions flatly onto the upper flange of at least one transverse beam. This can be provided, for example, for the cross member (s) in the central region of the side members, where the side members are cranked downwards.
Eine andere Ausführungsform des Übergangs zwischen Längs- und Querträger ist, dass der Untergurt der Längsträger auf den Obergurt zumindest eines Querträgers mit einem Höhenversatz übergeht. Dies kann etwa für den oder die Querträger vorgesehen sein, die näher bei den Enden der Längsträger angeordnet sind. Hier sind die Obergurte der Querträger zum Beispiel oberhalb der Untergurte der Längsträger angeordnet.Another embodiment of the transition between the longitudinal and transverse beams is that the lower flange of the longitudinal beams passes onto the upper flange of at least one transverse beam with a height offset. This can be provided, for example, for the cross member or members which are arranged closer to the ends of the longitudinal members. Here the top straps of the cross members are arranged above the bottom straps of the side members, for example.
Zur weiteren Erläuterung der Erfindung wird im nachfolgenden Teil der Beschreibung auf die Figuren Bezug genommen, aus der weitere vorteilhafte Ausgestaltungen, Einzelheiten und Weiterbildungen der Erfindung zu entnehmen sind. Es zeigen:
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Fig. 1 die Oberansicht eines Drehgestellrahmens in perspektivischer Darstellung, -
Fig. 2 die Unteransicht des selben Drehgestellrahmens in perspektivischer Darstellung.
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Fig. 1 the top view of a bogie frame in perspective, -
Fig. 2 the bottom view of the same bogie frame in perspective.
In
Das Profil, aus dem die Längsträger 1 gebildet sind, weist jeweils nur einen Untergurt 5 sowie zwei dazu normal angeordnete Seitenwände 6, aber keinen Obergurt auf. Die Höhe der Seitenwände 6 weist in jenem Bereich, wo die äußeren Querträger 3 angeordnet sind, die größte Höhe auf und geht im Bereich zwischen den inneren Querträgern 2 gegen Null bzw. setzt sich mit geringerer Höhe auf der Unterseite des Untergurts 5 fort.The profile, from which the longitudinal members 1 are formed, each has only one
Der Untergurt 5 ist im mittleren, nach unten gekröpften Bereich der Längsträger 1 gerade und eben ausgeführt und geht dort eben in die Obergurte 7 der inneren Querträger 2 über. Die Breite der Obergurte 7 entspricht auf einer Seite der gesamten Länge der Kröpfung des Längsträgers 1, auf der anderen Seite, beim anderen Längsträger 1, nur etwa einem Sechstel der Kröpfung des Längsträgers 1.The
Im Bereich, wo der Untergurt 5 von der Kröpfung in die - im Betriebszustand horizontalen - Endbereiche übergeht, also gegenüber der Horizontalen schräg verläuft, geht der Untergurt mit einem Höhenversatz nach oben in den Obergurt 8 des äußeren Querträgers 3 über. Der Obergurt ist zur Einsparung von Gewicht mit runden Ausnehmungen 9 versehen. Die äußeren Querträger 3 weisen keinen Untergurt auf, sondern lediglich zwei normal zum Obergurt 8 angeordnete Seitenwände 10, die etwa der Befestigung von Bremseinheiten dienen.In the area where the
Der Untergurt 5 und die beiden Obergurte 7 sind aus einem einzigen Teil, nämlich z.B. aus einer Blechplatte, gefertigt, die Seitenwände 6 und 10 sind auf diese Blechplatte jeweils mit einer Gegenlage aufgeschweißt.The
In
- 11
- LängsträgerSide member
- 22nd
- innere Querträgerinner cross member
- 33rd
- äußere Querträgerouter cross member
- 44th
- KonsolenConsoles
- 55
- Untergurt des Längsträgers 1Lower chord of the side member 1
- 66
- Seitenwand des Längsträgers 1Side wall of the side member 1
- 77
- Obergurt der inneren Querträger 2Upper chord of the inner cross member 2
- 88th
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Obergurt des äußeren Querträgers 3Upper chord of the
outer cross member 3 - 99
-
Ausnehmungen des Obergurts 8Recesses in the
upper flange 8 - 1010th
-
Seitenwand des äußeren Querträgers 3Side wall of the
outer cross member 3
Claims (6)
- Bogie frame for a rail vehicle, comprising two longitudinal supports (1), two inner transverse supports (2) and two outer transverse supports (3), wherein the longitudinal supports (1) and at least one transverse support (2, 3) are in each case exclusively formed from an open profile, characterised in that the longitudinal supports (1) have no top chord, but rather only a bottom chord (5), the outer transverse support(s) has/have no bottom chord, but rather only has/have a top chord (8), wherein the bottom chords of the longitudinal support (5) rigidly transition into a top chord (7) of the inner transverse support(s) (2).
- Bogie frame according to claim 1, characterised in that the open profiles (1, 2, 3) are formed from a plurality of support parts (5, 6; 8, 10), which in particular are flat, by welding, and the weld seams between the support parts are designed with sealing run due to the open width of the profile.
- Bogie frame according to claim 1, characterised in that the bottom chord (5) of the longitudinal support (1) and the top chord (7) of at least one inner transverse support (2) are manufactured jointly from one part.
- Bogie frame according to one of claims 1 to 3, characterised in that the bottom chord (5) of the longitudinal support (1) is drawn across the entire length of the longitudinal support.
- Bogie frame according to one of claims 1 to 4, characterised in that the bottom chord (5) of the longitudinal support transitions to the top chord (7) of at least one inner transverse support (2) in a flat manner.
- Bogie frame according to one of claims 1 to 4, characterised in that the bottom chord (5) of the longitudinal support (1) transitions to the top chord (8) of at least one outer transverse support (3) with a height offset.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT505202013 | 2013-08-22 | ||
PCT/EP2014/066329 WO2015024745A1 (en) | 2013-08-22 | 2014-07-30 | Bogie frame |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3036145A1 EP3036145A1 (en) | 2016-06-29 |
EP3036145B1 true EP3036145B1 (en) | 2020-07-15 |
Family
ID=51292935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14747889.5A Active EP3036145B1 (en) | 2013-08-22 | 2014-07-30 | Bogie frame |
Country Status (2)
Country | Link |
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EP (1) | EP3036145B1 (en) |
WO (1) | WO2015024745A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT516924A2 (en) | 2015-03-03 | 2016-09-15 | Siemens Ag Oesterreich | Chassis frame for a rail vehicle |
CN106809231B (en) * | 2016-09-21 | 2017-12-01 | 比亚迪股份有限公司 | Bogie frame and bogie assembly |
CN106809232B (en) * | 2016-09-21 | 2017-11-28 | 比亚迪股份有限公司 | Bogie assembly and rail vehicle |
WO2018054017A1 (en) | 2016-09-21 | 2018-03-29 | 比亚迪股份有限公司 | Bogie frame, bogie assembly and rail vehicle |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3003432A (en) * | 1959-08-31 | 1961-10-10 | Consolidation Coal Co | Railway car truck |
BE635192A (en) * | 1962-08-31 | |||
US3406439A (en) * | 1965-06-15 | 1968-10-22 | Charles T. Hutchens | Method of constructing suspension assemblies |
US4108080A (en) * | 1975-04-29 | 1978-08-22 | Acf Industries, Incorporated | Railway car truck and side bearing assembly |
FR2780016B1 (en) * | 1998-06-18 | 2000-08-04 | Alsthom Gec | RAIL VEHICLE BOGIE AND METHOD FOR MANUFACTURING A SIDING OF SUCH BOGIE |
PL196349B1 (en) * | 2000-05-10 | 2007-12-31 | Bombardier Transp Polska Sp Z | Rail-vehicle bogie frame in particular for freight cars |
JP5650464B2 (en) * | 2010-08-26 | 2015-01-07 | 東日本旅客鉄道株式会社 | Method for manufacturing railcar bogie |
-
2014
- 2014-07-30 EP EP14747889.5A patent/EP3036145B1/en active Active
- 2014-07-30 WO PCT/EP2014/066329 patent/WO2015024745A1/en active Application Filing
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
WO2015024745A1 (en) | 2015-02-26 |
EP3036145A1 (en) | 2016-06-29 |
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