EP2849982B1 - Multifunctional fastening profile - Google Patents

Multifunctional fastening profile Download PDF

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Publication number
EP2849982B1
EP2849982B1 EP13741987.5A EP13741987A EP2849982B1 EP 2849982 B1 EP2849982 B1 EP 2849982B1 EP 13741987 A EP13741987 A EP 13741987A EP 2849982 B1 EP2849982 B1 EP 2849982B1
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EP
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Prior art keywords
profile
fixing profile
fastening
rail vehicle
fixing
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EP13741987.5A
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German (de)
French (fr)
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EP2849982A1 (en
Inventor
Wolfgang Langert
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Siemens AG
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Siemens AG
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Publication of EP2849982A1 publication Critical patent/EP2849982A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • 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
    • B61F1/00—Underframes
    • B61F1/08—Details
    • B61F1/14—Attaching or supporting vehicle body-structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/10—Floors
    • 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
    • B61F1/00—Underframes
    • B61F1/08—Details

Definitions

  • the present invention relates to multifunctional fastening profiles for mounting an assembly in the underfloor region of a rail vehicle according to the preamble of claim 1.
  • Such a multifunctional mounting profile is for example from the DE 38 23 418 A1 known.
  • This publication thus discloses a multifunctional fastening profile for mounting an assembly in the underfloor region of a rail vehicle, comprising at least one standardized fastening solution via which the assembly can be releasably connected to the fastening profile, and a first connection region, via which the fastening profile with a longitudinal beam in the underfloor region of the rail vehicle can be connected and a second connection region, via which the fastening profile with the underbody of the rail vehicle can be integrally connected, wherein this has in cross-section two substantially L-shaped mutually arranged legs.
  • the multifunctional mounting profile for mounting an assembly in the underfloor region of a rail vehicle is characterized in that the connecting portions are formed at the ends of the legs of the fastening profile such that the first connection region formed parallel to the longitudinal extension of the longitudinal member abutment surface and an angle between 50 ° and 70 ° to the abutting surface forming seam surface and wherein the second connecting portion has a parallel to the plane of the lower surface formed abutment surface and an angle between 50 ° and 70 ° to the impact surface forming seam surface.
  • the fastening profile according to the invention can be attached in an advantageous manner at any point of the undercarriage to a longitudinal beam and the underbody of the rail vehicle, wherein the assemblies to be mounted by means of the standardized fastening means of the fastening profile on the rail vehicle are detachably attachable.
  • standardized fastening solutions are threaded holes, through holes for receiving fastening bolts such as bolts, thimbles, eyes, threaded rods, or the like.
  • fastening solutions are preferably suitable for detachable connection of an assembly with the fastening profile by means of adhesion.
  • means for positive connection of the modules may be provided with the fastener.
  • the fastening profile according to the invention preferably has a relatively large thickness, on the one hand to provide a sufficient mechanical stability for mounting heavier assemblies, on the other hand, in order to be able to offer the largest possible tolerance compensation during assembly of the assemblies.
  • a relatively large thickness is to be understood a thickness in a range between 10 and 30 mm.
  • the assemblies can be attached by means of one or more of the fastening profiles according to the invention, which at any point of a longitudinal carrier cohesively, preferably by means of welding techniques, in the underbody area of the rail vehicle.
  • a free placement of the modules in the underbody area is also possible in retrospect, i. that it is not necessary to provide mounting points for assemblies already during assembly of the chassis on the side rails.
  • the mounting flexibility is increased and it can also be used for the side members standardized components.
  • the fastening profile in cross-section two substantially L-shaped legs arranged on each other.
  • Substantially L-shaped means that the angle in which the two limbs meet is in a range between 70 ° and 110 °.
  • the connecting regions are formed at the ends of the legs of the fastening profile such that a connecting region has a joint surface formed parallel to the longitudinal extent of the longitudinal member and a seam surface forming an angle of between 50 ° and 70 ° to the impact surface, and a further connecting region is formed parallel to the plane of the underbody Impact surface and at an angle between 50 ° and 70 ° to the impact surface forming seam surface has.
  • angle of the seam surface relative to the longitudinal beam or subfloor it is for example possible to attach the mounting profile by means of a HV weld on the side rail and / or the subfloor, the angle of the seam surface and the resulting Geometry of the weld ensures a good derivation of the mechanical forces occurring in the longitudinal member or the subfloor.
  • the abutment surfaces are arranged offset to the respective longitudinal axis of the legs.
  • the offset to the longitudinal axis of the legs arrangement of abutting surfaces allows improved accessibility to the seam surface and also optimizes the introduction of force from the mounting profile in particular in the vertical direction in the longitudinal member.
  • the at least one standardized fastening solution comprises a bore, a thread or a screw connection possibility.
  • the provision of such standardized fastening solutions allows the universal applicability of the profile for a variety of different assemblies.
  • the fastening profile provides a plurality of different fastening solutions, resulting in the flexibility and possible applications of the fastening profile continue to increase. This again reduces the logistical effort and thus optimizes the production process.
  • the fastening solutions provided in the fastening profile are preferably selected in such a way that all subassemblies to be provided in the underbody area of a rail vehicle can be mounted or fastened with a profile which can be used universally.
  • this is fastened to the longitudinal member by means of a weld and to the subfloor by means of a weld or at least one spot weld.
  • the fastening profile is designed as an extruded profile.
  • a cross-section of the fastening profile corresponding profile strand is pressed, which is then divided into suitable sections, for example by means of saw, water jet snow, plasma cutting or the like.
  • the production of the fastening profile as an extruded profile also leads to an optimized microstructure of the material from which the fastening profile is made, which in particular the occurrence of stress cracks by welding the profile to the longitudinal member and / or the subfloor can be avoided.
  • the fastening profile consists of an aluminum material, such as an aluminum alloy.
  • suitable aluminum alloys are the alloys according to EN 13981-1.
  • the present invention also relates to the use of a fastening profile as described above for the underfloor mounting of an assembly in a rail vehicle.
  • Fig. 1 shows the mounting position of an embodiment of a fastening profile according to the invention 100,101 in the underfloor region of a rail vehicle 900.
  • the multifunctional mounting profile 100,101 serves to attach a module, such as an element of the compressed air or brake system, the drive, the vehicle body structure reinforcement, the fresh and waste water tank, an element
  • the fastening system 100, 101 has at least one standardized fastening solution 110, 111, by way of which the assembly can be releasably connected to the fastening profile 100.
  • Examples of such standardized fastening solutions are threaded holes, through holes for receiving fastening bolts such as bolts, thimbles, eyes, threaded rods, or means for positive connection of the module with the mounting profile.
  • the fastening profile 100, 101 has a first connecting region 140, via which the fastening profile 100, 101 with a longitudinal member 920 in the underbody region of the rail vehicle 900 can be materially connected. Via a further connection region 140, fastening profile 100, 101 can be materially connected to the underbody 930 of the rail vehicle 900.
  • a cohesive connection is preferably carried out by means of welding.
  • Fig. 2 shows a cross-sectional view of an embodiment of a fastening profile 100 according to the invention.
  • the fastening profile 100 has an L-shaped cross section with a longer leg 144 and a shorter leg 134. At the end of the legs 134,144 are connecting portions 130, 140.
  • the fastening profile 100 is welded via the connecting portion 140 with a longitudinal member 920 in the underbody region of the rail vehicle. Via a second connection region 130, the fastening profile 100 is welded to the underbody 930 of the rail vehicle.
  • the connecting region 130 is formed at the ends of the leg 134 of the fastening profile 100 in such a way that the connecting region 130 has a joint surface 131 formed parallel to the longitudinal extent of the longitudinal member 920 and a seam surface 132 forming an angle between 50 ° and 70 ° with respect to the abutting surface 131.
  • the connecting regions 140 are formed at the ends of the leg 144 of the fastening profile 100 in such a way that they have a joint surface 141 formed parallel to the plane of the subfloor and a seam surface 142 forming an angle between 50 ° and 70 ° with respect to the impact surface 141.
  • the seam surfaces 131, 141 are designed such that the fastening profile can preferably be fastened to the underbody 930 by means of an HV weld seam on the longitudinal support 920 and by means of an HV weld point or an HV weld seam.
  • the abutment surfaces 131, 141 are arranged offset to the respective longitudinal axis of the legs 134, 144, whereby an improved accessibility to the seam surfaces 131.141 and improved force discharge from the mounting profile 100 is achieved in the side member 920.
  • Fig. 3 shows a detailed view of a connecting portion 130 of the leg 134 of a preferred embodiment of a fastening profile 100 according to the invention.
  • the connecting portions of the two legs of the fastening profile are preferably formed identical in terms of their profile.
  • a groove 133 is formed between the abutment surface 131 and the seam surface 132.
  • the fastening profile is connected to the subfloor 930 by setting a welding point or a sheath seam in the area of the seam surface 132.
  • Fig. 4 shows a detailed view of the standardized fastening means 110, 111 in one embodiment of a fastening profile 100 according to the invention.
  • a standardized fastening solution a threaded bore 111 and a throughbore 110 are shown. Screws for releasably securing assemblies can be screwed into the threaded bore 111.
  • the fastening profile 100 has a plurality of fastening solutions 110,111 at different points of the profile in order to obtain the widest possible range of application of the fastening profiles.
  • the through hole 110 is suitable for receiving fastening bolts such as bolts.

Description

Die vorliegende Erfindung betrifft multifunktionale Befestigungsprofile zur Montage einer Baugruppe im Unterbodenbereich eines Schienenfahrzeuges nach dem Oberbegriff von Anspruch 1.The present invention relates to multifunctional fastening profiles for mounting an assembly in the underfloor region of a rail vehicle according to the preamble of claim 1.

Ein solches multifunktionales Befestigungsprofil ist beispielsweise aus der DE 38 23 418 A1 bekannt. Diese Druckschrift offenbart somit ein multifunktionales Befestigungsprofil zur Montage einer Baugruppe im Unterbodenbereich eines Schienenfahrzeuges, aufweisend wenigstens eine standardisierte Befestigungslösung über welche die Baugruppe mit dem Befestigungsprofil lösbar verbunden werden kann, sowie einen ersten Verbindungsbereich, über welchen das Befestigungsprofil mit einem Längsträger im Unterbodenbereich des Schienenfahrzeuges stoffschlüssig verbunden werden kann und einen zweiten Verbindungsbereich, über welchen das Befestigungsprofil mit dem Unterboden des Schienenfahrzeuges stoffschlüssig verbunden werden kann, wobei dieses im Querschnitt zwei im Wesentlichen L-förmig zueinander angeordnete Schenkel aufweist.Such a multifunctional mounting profile is for example from the DE 38 23 418 A1 known. This publication thus discloses a multifunctional fastening profile for mounting an assembly in the underfloor region of a rail vehicle, comprising at least one standardized fastening solution via which the assembly can be releasably connected to the fastening profile, and a first connection region, via which the fastening profile with a longitudinal beam in the underfloor region of the rail vehicle can be connected and a second connection region, via which the fastening profile with the underbody of the rail vehicle can be integrally connected, wherein this has in cross-section two substantially L-shaped mutually arranged legs.

Im modernen Schienenfahrzeugbau muss eine Vielzahl unterschiedlichste Baugruppen im Unterbodenbereich des Schienenfahrzeugs montiert werden. Beispiele für solche im Unterbodenbereich von Schienenfahrzeugen montierten Baugruppen sind Elemente der Druckluft- oder Bremsanlage, des Antriebes, der Fahrzeugkastenstrukturverstärkung, der Frisch- und Abwassertanks, Elemente der Heizungsanlage, oder auch betriebstechnische elektrische Einrichtungen. Naturgemäß verfügen diese unterschiedlichen Baugruppen über unterschiedliche geometrische Ausformungen und Ausgestaltungen. Dies führt dazu, dass diese Baugruppen bisher mittels aufwendigen, individuell von der Baugruppe anhängigen Vorrichtungen befestigt und gegen ein unbeabsichtigtes Ablösen gesichert werden mussten. Das bedeutet, dass für die unterschiedlichen, im Unterbodenbereich von Schienenfahrzeugen zu befestigenden Baugruppen individuelle Profile verwendet werden, welche mit auf die Baugruppe abgestimmten Befestigungslösungen versehen sind. Bei einer Vielzahl von im Bereich des Unterbodens zu installierenden Baugruppen ergibt sich damit die Notwendigkeit, eine große Anzahl unterschiedlicher, für die jeweilige Baugruppe und den Schienenfahrzeugtyp individualisierte Montageträger anzufertigen und vorzuhalten. Hierdurch entsteht sowohl ein hoher fertigungstechnischer als auch logistischer Aufwand.In modern rail vehicle construction, a large number of very different assemblies must be mounted in the underbody area of the rail vehicle. Examples of such mounted in the underfloor region of rail vehicles assemblies are elements of the compressed air or brake system, the drive, the vehicle body structure reinforcement, the fresh and waste water tanks, elements of the heating system, or operational electrical equipment. Naturally, these different assemblies have different geometric shapes and configurations. As a result, these assemblies have hitherto had to be fastened by means of expensive devices that are individually dependent on the assembly and secured against unintentional detachment. This means that for the different, in the underbody area of Rail vehicles to be fastened assemblies individual profiles are used, which are provided with matched to the assembly mounting solutions. With a large number of modules to be installed in the area of the underbody, this results in the necessity of producing and maintaining a large number of different mounting supports individualized for the respective assembly and the type of rail vehicle. This creates both a high production engineering and logistical effort.

Es ist daher die Aufgabe der vorliegenden Erfindung, Mittel zur vereinfachten und logistisch optimierten Montage von Baugruppen im Unterbodenbereich von Schienenfahrzeugen anzugeben.It is therefore an object of the present invention to provide means for simplified and logistically optimized assembly of assemblies in the underbody area of rail vehicles.

Diese Aufgabe wird bei dem eingangs genannten Befestigungsprofil durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved in the above-mentioned fastening profile by the characterizing features of claim 1.

Damit zeichnet sich das multifunktionale Befestigungsprofil zur Montage einer Baugruppe im Unterbodenbereich eines Schienenfahrzeugs dadurch aus, dass die Verbindungsbereiche an den Enden der Schenkel des Befestigungsprofils derart ausgebildet sind, dass der erste Verbindungsbereich eine parallel zur Längsersterstreckung des Längsträgers ausgebildete Stoßfläche und eine einen Winkel zwischen 50° und 70° zur Stoßfläche ausbildende Nahtfläche aufweist und wobei der zweite Verbindungsbereich eine parallel zur Ebene des Unterbodens ausgebildete Stoßfläche und eine einen Winkel zwischen 50° und 70° zur Stoßfläche ausbildende Nahtfläche aufweist.Thus, the multifunctional mounting profile for mounting an assembly in the underfloor region of a rail vehicle is characterized in that the connecting portions are formed at the ends of the legs of the fastening profile such that the first connection region formed parallel to the longitudinal extension of the longitudinal member abutment surface and an angle between 50 ° and 70 ° to the abutting surface forming seam surface and wherein the second connecting portion has a parallel to the plane of the lower surface formed abutment surface and an angle between 50 ° and 70 ° to the impact surface forming seam surface.

Das erfindungsgemäße Befestigungsprofil lässt sich in vorteilhafter Weise an beliebiger Stelle des Unterwagens an einem Längsträger und dem Unterboden des Schienenfahrzeuges stoffschlüssig befestigen, wobei die zu montierenden Baugruppen mittels der standardisierten Befestigungsmittel des Befestigungsprofiles an dem Schienenfahrzeug lösbar anbringbar sind. Hierdurch ist es nicht mehr notwendig, eine Vielzahl an hinsichtlich der Baugruppe und des Schienenfahrzeugtyps individualisierten Befestigungsprofilen vorzuhalten, sondern es reicht aus, lediglich ein universell verwendbaren Befestigungsprofil vorzuhalten.The fastening profile according to the invention can be attached in an advantageous manner at any point of the undercarriage to a longitudinal beam and the underbody of the rail vehicle, wherein the assemblies to be mounted by means of the standardized fastening means of the fastening profile on the rail vehicle are detachably attachable. As a result, it is no longer necessary to maintain a large number of fastening profiles which are individualized with regard to the assembly and the type of rail vehicle, but it is sufficient to provide only one universally usable fastening profile.

Beispiele für die in dem erfindungsgemäßen Befestigungsprofil vorsehbare standardisierte Befestigungslösungen sind Gewindebohrungen, Durchbohrungen zur Aufnahme von Befestigungsbolzen wie beispielsweise Schraubbolzen, Kauschen, Augen, Gewindestäbe, oder dergleichen. Solche Befestigungslösungen sind in bevorzugter Weise zur lösbaren Verbindung einer Baugruppe mit dem Befestigungsprofil mittels Kraftschluss geeignet. Darüber hinaus können auch Mittel zur Formschlüssigen Verbindung der Baugruppen mit dem Befestigungselement vorgesehen sein.Examples of foreseeable in the fastening profile according to the invention standardized fastening solutions are threaded holes, through holes for receiving fastening bolts such as bolts, thimbles, eyes, threaded rods, or the like. Such fastening solutions are preferably suitable for detachable connection of an assembly with the fastening profile by means of adhesion. In addition, means for positive connection of the modules may be provided with the fastener.

Das erfindungsgemäße Befestigungsprofil weißt vorzugsweise eine relativ große Dicke auf, um zum einen eine hinreichende mechanische Stabilität auf für die Befestigung schwererer Baugruppen bereitzustellen, zum anderen um einen möglichst großen Toleranzausgleich bei der Montage der Baugruppen bieten zu können. Als relative große Dicke ist dabei eine Dicke in einem Bereich zwischen 10 und 30 mm zu verstehen.The fastening profile according to the invention preferably has a relatively large thickness, on the one hand to provide a sufficient mechanical stability for mounting heavier assemblies, on the other hand, in order to be able to offer the largest possible tolerance compensation during assembly of the assemblies. As a relatively large thickness is to be understood a thickness in a range between 10 and 30 mm.

Die Baugruppen können mittels einer oder mehrerer der erfindungsgemäßen Befestigungsprofile, welche an jeder beliebigen Stelle eines Längsträgers stoffschlüssig, vorzugweise mittels Schweißtechniken, im Unterbodenbereich des Schienenfahrzeuges angebracht werden. Hierdurch ist eine freie Platzierbarkeit der Baugruppen im Unterbodenbereich auch im Nachhinein möglich, d.h. dass es nicht notwendig ist, schon bereits bei der Montage des Fahrgestelles an den Längsträgern Aufnahmepunkte für Baugruppen vorzusehen. Hierdurch wird die Montageflexibilität erhöht und es können auch für die Längsträger standardisierte Bauelemente genutzt werden.The assemblies can be attached by means of one or more of the fastening profiles according to the invention, which at any point of a longitudinal carrier cohesively, preferably by means of welding techniques, in the underbody area of the rail vehicle. In this way, a free placement of the modules in the underbody area is also possible in retrospect, i. that it is not necessary to provide mounting points for assemblies already during assembly of the chassis on the side rails. As a result, the mounting flexibility is increased and it can also be used for the side members standardized components.

Gemäß einer Ausgestaltung der Erfindung weist das Befestigungsprofil im Querschnitt zwei im Wesentlichen L-förmig zueinander angeordnete Schenkel auf. Im Wesentlichen L-förmig bedeutet dabei, dass der Winkel in welchem die beiden Schenkel aufeinandertreffen in einem Bereich zwischen 70° und 110° liegt.According to one embodiment of the invention, the fastening profile in cross-section two substantially L-shaped legs arranged on each other. Substantially L-shaped here means that the angle in which the two limbs meet is in a range between 70 ° and 110 °.

Die Verbindungsbereiche sind an den Enden der Schenkel des Befestigungsprofils derart ausgebildet, dass ein Verbindungsbereich eine parallel zur Längsersterstreckung des Längsträgers ausgebildete Stoßfläche und eine einen Winkel zwischen 50° und 70° zur Stoßfläche ausbildende Nahtfläche aufweist und ein weiterer Verbindungsbereich eine parallel zur Ebene des Unterbodens ausgebildete Stoßfläche und eine einen Winkel zwischen 50° und 70° zur Stoßfläche ausbildende Nahtfläche aufweist. Durch eine solche Ausgestaltung des Befestigungsprofils ist es in vorteilhafter Weise möglich, das Befestigungsprofil im Bereich der Nahtflächen mit dem Längsträger und dem Unterboden stoffschlüssig zu verbinden, beispielsweise mittel Schweißen, während die Stoßflächen eine sichere Ausrichtung des Befestigungsprofils relativ zum Längsträger und zum Unterboden sicherstellen.The connecting regions are formed at the ends of the legs of the fastening profile such that a connecting region has a joint surface formed parallel to the longitudinal extent of the longitudinal member and a seam surface forming an angle of between 50 ° and 70 ° to the impact surface, and a further connecting region is formed parallel to the plane of the underbody Impact surface and at an angle between 50 ° and 70 ° to the impact surface forming seam surface has. By such an embodiment of the fastening profile it is advantageously possible to materially connect the fastening profile in the region of the seam surfaces with the longitudinal member and the subfloor, for example medium welding, while the abutment surfaces ensure a secure alignment of the fastening profile relative to the longitudinal member and the subfloor.

Durch den in der zuvor genannten Ausgestaltung vorgesehenen Winkel der Nahtfläche relativ zum Längsträger bzw. Unterboden ist es beispielsweise möglich, das Befestigungsprofil mittels eine HV-Schweißnaht an dem Längsträger und/oder dem Unterboden zu befestigen, wobei der Winkel der Nahtfläche und die sich daraus ergebende Geometrie der Schweißnaht eine gute Ableitung der auftretenden mechanischen Kräfte in den Längsträger bzw. den Unterboden sicherstellt.By provided in the aforementioned embodiment angle of the seam surface relative to the longitudinal beam or subfloor, it is for example possible to attach the mounting profile by means of a HV weld on the side rail and / or the subfloor, the angle of the seam surface and the resulting Geometry of the weld ensures a good derivation of the mechanical forces occurring in the longitudinal member or the subfloor.

Gemäß einer weiteren Ausgestaltung der Erfindung ist es vorgesehen, dass zwischen den Stoßflächen und den Nahtflächen jeweils eine Nut ausgebildet ist. Hierdurch wird eine optimierte Ausbildung der Schweißnahtwurzel erreicht.According to a further embodiment of the invention, it is provided that in each case a groove is formed between the abutting surfaces and the seam surfaces. As a result, an optimized formation of the weld root is achieved.

Gemäß einer weiteren Ausgestaltung der Erfindung sind die Stoßflächen versetzt zur jeweiligen Längsachse der Schenkel angeordnet. Die zur Längsachse der Schenkel versetzte Anordnung der Stoßflächen erlaubt eine verbesserte Zugänglichkeit zur Nahtfläche und optimiert darüber hinaus die Krafteinleitung vom Befestigungsprofil insbesondere in vertikaler Richtung in den Längsträger.According to a further embodiment of the invention, the abutment surfaces are arranged offset to the respective longitudinal axis of the legs. The offset to the longitudinal axis of the legs arrangement of abutting surfaces allows improved accessibility to the seam surface and also optimizes the introduction of force from the mounting profile in particular in the vertical direction in the longitudinal member.

In einer bevorzugten Ausgestaltung der Erfindung umfasst die wenigstens eine standardisierte Befestigungslösung eine Bohrung, ein Gewinde oder eine Verschraubungsmöglichkeit. Das Vorsehen solcher standardisierter Befestigungslösungen erlaubt die universelle Anwendbarkeit des Profils für eine Vielzahl unterschiedlicher Baugruppen. Insbesondere kann es vorgesehen sein, dass das Befestigungsprofil mehrere unterschiedliche Befestigungslösungen vorsieht, wodurch sich die Flexibilität und die Einsatzmöglichkeiten des Befestigungsprofils weiter erhöhen. Dies reduziert abermals den logistischen Aufwand und optimiert so den Fertigungsprozess. Vorzugsweise sind die im Befestigungsprofil vorgesehenen Befestigungslösungen dabei derart ausgewählt, dass mit einem universell einsetzbaren Profil alle im Unterbodenbereich eines Schienenfahrzeugs vorzusehenden Baugruppen montiert bzw. befestigt werden können.In a preferred embodiment of the invention, the at least one standardized fastening solution comprises a bore, a thread or a screw connection possibility. The provision of such standardized fastening solutions allows the universal applicability of the profile for a variety of different assemblies. In particular, it can be provided that the fastening profile provides a plurality of different fastening solutions, resulting in the flexibility and possible applications of the fastening profile continue to increase. This again reduces the logistical effort and thus optimizes the production process. The fastening solutions provided in the fastening profile are preferably selected in such a way that all subassemblies to be provided in the underbody area of a rail vehicle can be mounted or fastened with a profile which can be used universally.

Gemäß einer weiteren Ausgestaltung des Befestigungsprofils ist dieses an dem Längsträger mittels einer Schweißnaht und an dem Unterboden mittels einer Schweißnaht oder wenigstens eines Schweißpunktes befestigbar.According to a further embodiment of the fastening profile, this is fastened to the longitudinal member by means of a weld and to the subfloor by means of a weld or at least one spot weld.

In einer besonders bevorzugten Ausgestaltung der Erfindung ist das Befestigungsprofil als Strangpressprofil ausgebildet. Dies ermöglicht in vorteilhafter Weise eine einfache Herstellung der Befestigungsprofile in großer Stückzahl. Hierzu wird ein dem Querschnitt des Befestigungsprofiles entsprechender Profilstrang gepresst, welcher dann in geeignete Teilstücke aufgeteilt wird, beispielsweise mittels Säge, Wasserstrahlschneiten, Plasmaschneiden oder dergleichen. Die Herstellung des Befestigungsprofils als Strangpressprofil führt dabei auch zu einer optimierten Gefügestruktur des Werkstoffes, aus welchem das Befestigungsprofil gefertigt ist, wodurch insbesondere das Auftreten von Spannungsrissen durch das Anschweißen des Profils an den Längsträger und/oder den Unterboden vermieden werden kann.In a particularly preferred embodiment of the invention, the fastening profile is designed as an extruded profile. This advantageously allows a simple production of the fastening profiles in large numbers. For this purpose, a cross-section of the fastening profile corresponding profile strand is pressed, which is then divided into suitable sections, for example by means of saw, water jet snow, plasma cutting or the like. The production of the fastening profile as an extruded profile also leads to an optimized microstructure of the material from which the fastening profile is made, which in particular the occurrence of stress cracks by welding the profile to the longitudinal member and / or the subfloor can be avoided.

Dabei ist es besonders bevorzugt, wenn das Befestigungsprofil aus einem Aluminiumwerkstoff, wie beispielsweise einer Aluminiumlegierung besteht. Beispiele für geeignete Aluminiumlegierungen sind dabei die Legierungen nach der EN 13981-1.It is particularly preferred if the fastening profile consists of an aluminum material, such as an aluminum alloy. Examples of suitable aluminum alloys are the alloys according to EN 13981-1.

Darüber hinaus betrifft die vorliegende Erfindung auch die Verwendung eines wie zuvor beschriebenen Befestigungsprofils zur Unterbodenmontage einer Baugruppe in einem Schienenfahrzeug.Moreover, the present invention also relates to the use of a fastening profile as described above for the underfloor mounting of an assembly in a rail vehicle.

Die Erfindung wird nachfolgend anhand von Figuren weiter erläutert.

  • Fig. 1 zeigt die Montageposition einer Ausführung eines erfindungsgemäßen Befestigungsprofils im Unterbodenbereich eines Schienenfahrzeuges;
  • Fig. 2 zeigt eine Querschnittansicht eine Ausgestaltung eines erfindungsgemäßen Befestigungsprofils;
  • Fig. 3 zeigt eine Detailansicht des Verbindungsbereiches einer bevorzugten Ausgestaltung eines erfindungsgemäßen Befestigungsprofils;
  • Fig. 4 zeigt eine Detailansicht der standardisierten Befestigungsmittel in einer Ausgestaltung eines erfindungsgemäßen Befestigungsprofils.
The invention will be further explained with reference to figures.
  • Fig. 1 shows the mounting position of an embodiment of a fastening profile according to the invention in the underfloor region of a rail vehicle;
  • Fig. 2 shows a cross-sectional view of an embodiment of a fastening profile according to the invention;
  • Fig. 3 shows a detailed view of the connection region of a preferred embodiment of a fastening profile according to the invention;
  • Fig. 4 shows a detailed view of the standardized fastening means in an embodiment of a fastening profile according to the invention.

Fig. 1 zeigt die Montageposition einer Ausführung eines erfindungsgemäßen Befestigungsprofils 100,101 im Unterbodenbereich eines Schienenfahrzeuges 900. Das multifunktionale Befestigungsprofil 100,101 dient dabei zur Befestigung einer Baugruppe, wie beispielsweise einem Element der Druckluft- oder Bremsanlage, des Antriebes, der Fahrzeugkastenstrukturverstärkung, des Frisch- und Abwassertanks, einem Element der Heizungsanlage, oder auch einer betriebstechnische elektrische Einrichtung im Unterbodenbereich des Schienenfahrzeuges 900. Das Befestigungsprofil 100,101 weist wenigstens eine standardisierte Befestigungslösung 110, 111 auf, über welche die Baugruppe mit dem Befestigungsprofil 100 lösbar verbunden werden kann. Beispiele für solche standarisierte Befestigungslösungen sind Gewindebohrungen, Durchbohrungen zur Aufnahme von Befestigungsbolzen wie beispielsweise Schraubbolzen, Kauschen, Augen, Gewindestäbe, oder auch Mittel zur formschlüssigen Verbindung der Baugruppe mit dem Befestigungsprofil. Desweiteren weist das Befestigungsprofil 100,101 einen ersten Verbindungsbereich 140 auf, über welchen das Befestigungsprofil 100,101 mit einem Längsträger 920 im Unterbodenbereich des Schienenfahrzeuges 900 stoffschlüssig verbunden werden kann. Über einen weiteren Verbindungsbereich 140 kann Befestigungsprofil 100,101 mit dem Unterboden 930 des Schienenfahrzeuges 900 stoffschlüssig verbunden werden. Eine stoffschlüssige Verbindung erfolgt dabei vorzugsweise mittels Schweißen. Fig. 1 shows the mounting position of an embodiment of a fastening profile according to the invention 100,101 in the underfloor region of a rail vehicle 900. The multifunctional mounting profile 100,101 serves to attach a module, such as an element of the compressed air or brake system, the drive, the vehicle body structure reinforcement, the fresh and waste water tank, an element The fastening system 100, 101 has at least one standardized fastening solution 110, 111, by way of which the assembly can be releasably connected to the fastening profile 100. Examples of such standardized fastening solutions are threaded holes, through holes for receiving fastening bolts such as bolts, thimbles, eyes, threaded rods, or means for positive connection of the module with the mounting profile. Furthermore, the fastening profile 100, 101 has a first connecting region 140, via which the fastening profile 100, 101 with a longitudinal member 920 in the underbody region of the rail vehicle 900 can be materially connected. Via a further connection region 140, fastening profile 100, 101 can be materially connected to the underbody 930 of the rail vehicle 900. A cohesive connection is preferably carried out by means of welding.

Fig. 2 zeigt eine Querschnittansicht eine Ausgestaltung eines erfindungsgemäßen Befestigungsprofils 100. Das Befestigungsprofil 100 weist einen L-förmigen Querschnitt mit einem längeren Schenkel 144 und eine kürzeren Schenkel 134 auf. Am Ende der Schenkel 134,144 befinden sich Verbindungsbereiche 130, 140. Das Befestigungsprofil 100 ist über den Verbindungsbereich 140 mit einem Längsträger 920 im Unterbodenbereich des Schienenfahrzeuges verschweißt. Über einen zweiten Verbindungsbereich 130 ist das Befestigungsprofil 100 mit dem Unterboden 930 des Schienenfahrzeuges verschweißt. Der Verbindungsbereich 130 ist an den Enden des Schenkels 134 des Befestigungsprofils 100 derart ausgebildet, dass der Verbindungsbereich 130 eine parallel zur Längsersterstreckung des Längsträgers 920 ausgebildete Stoßfläche 131 und eine einen Winkel zwischen 50° und 70° zur Stoßfläche 131 ausbildende Nahtfläche 132 aufweist. Der Verbindungsbereiche 140 ist an dem Enden des Schenkels 144 des Befestigungsprofils 100 derart ausgebildet, dass dieser eine parallel zur Ebene des Unterbodens ausgebildete Stoßfläche 141 und eine einen Winkel zwischen 50° und 70° zur Stoßfläche 141 ausbildende Nahtfläche 142 aufweist. Dabei sind die Nahtflächen 131,141 derart ausgebildet, dass sich das Befestigungsprofil vorzugsweise mittels einer HV-Schweißnaht an dem Längsträger 920 und mittels eines HV-Schweißpunktes oder einer HV-Schweißnaht an dem Unterboden 930 befestigt werden kann. Die Stoßflächen 131, 141 sind versetzt zur jeweiligen Längsachse der Schenkel 134, 144 angeordnet, wodurch eine verbesserte Zugänglichkeit zu den Nahtflächen 131,141 und eine verbesserte Kraftausleitung aus dem Befestigungsprofil 100 in den Längsträger 920 erzielt wird. Fig. 2 shows a cross-sectional view of an embodiment of a fastening profile 100 according to the invention. The fastening profile 100 has an L-shaped cross section with a longer leg 144 and a shorter leg 134. At the end of the legs 134,144 are connecting portions 130, 140. The fastening profile 100 is welded via the connecting portion 140 with a longitudinal member 920 in the underbody region of the rail vehicle. Via a second connection region 130, the fastening profile 100 is welded to the underbody 930 of the rail vehicle. The connecting region 130 is formed at the ends of the leg 134 of the fastening profile 100 in such a way that the connecting region 130 has a joint surface 131 formed parallel to the longitudinal extent of the longitudinal member 920 and a seam surface 132 forming an angle between 50 ° and 70 ° with respect to the abutting surface 131. The connecting regions 140 are formed at the ends of the leg 144 of the fastening profile 100 in such a way that they have a joint surface 141 formed parallel to the plane of the subfloor and a seam surface 142 forming an angle between 50 ° and 70 ° with respect to the impact surface 141. In this case, the seam surfaces 131, 141 are designed such that the fastening profile can preferably be fastened to the underbody 930 by means of an HV weld seam on the longitudinal support 920 and by means of an HV weld point or an HV weld seam. The abutment surfaces 131, 141 are arranged offset to the respective longitudinal axis of the legs 134, 144, whereby an improved accessibility to the seam surfaces 131.141 and improved force discharge from the mounting profile 100 is achieved in the side member 920.

Fig. 3 zeigt eine Detailansicht eines Verbindungsbereiches 130 des Schenkels 134 einer bevorzugten Ausgestaltung eines erfindungsgemäßen Befestigungsprofils 100. Die Verbindungsbereiche der beiden Schenkel des Befestigungsprofils sind hinsichtlich ihres Profils bevorzugt identisch ausgebildet. Zwischen der Stoßfläche 131 und den Nahtfläche 132 ist eine Nut 133 ausgebildet. Hierdurch wird eine optimierte Ausbildung der Schweißnahtwurzel bzw. einer HV-Schweißnaht erreicht. Das Befestigungsprofil wird durch setzten eines Schweißpunktes oder einer Scheißnaht im Bereich der Nahtfläche 132 mit dem Unterboden 930 verbunden. Fig. 3 shows a detailed view of a connecting portion 130 of the leg 134 of a preferred embodiment of a fastening profile 100 according to the invention. The connecting portions of the two legs of the fastening profile are preferably formed identical in terms of their profile. Between the abutment surface 131 and the seam surface 132, a groove 133 is formed. As a result, an optimized formation of the weld root or an HV weld is achieved. The fastening profile is connected to the subfloor 930 by setting a welding point or a sheath seam in the area of the seam surface 132.

Fig. 4 zeigt eine Detailansicht der standardisierten Befestigungsmittel 110, 111 in einer Ausgestaltung eines erfindungsgemäßen Befestigungsprofils 100. Beispielhaft gezeigt ist dabei als standarisierte Befestigungslösung eine Gewindebohrungen 111 und eine Durchbohrung 110. In die Gewindebohrung 111 lassen sich Schrauben zur lösbaren Befestigung von Baugruppen einschrauben. Dabei ist es bevorzugt vorgesehen, dass das Befestigungsprofil 100 eine Mehrzahl von Befestigungslösungen 110,111 an verschiedenen Stellen des Profils aufweist, um ein möglichst großes Anwendungsspektrum der Befestigungsprofile zu erhalten. Die Durchbohrung 110 eignet sich zur Aufnahme von Befestigungsbolzen wie beispielsweise Schraubbolzen. Fig. 4 shows a detailed view of the standardized fastening means 110, 111 in one embodiment of a fastening profile 100 according to the invention. By way of example, as a standardized fastening solution, a threaded bore 111 and a throughbore 110 are shown. Screws for releasably securing assemblies can be screwed into the threaded bore 111. It is preferably provided that the fastening profile 100 has a plurality of fastening solutions 110,111 at different points of the profile in order to obtain the widest possible range of application of the fastening profiles. The through hole 110 is suitable for receiving fastening bolts such as bolts.

Claims (8)

  1. Multifunctional fixing profile-member (100, 101) for assembling a subassembly in the underfloor region (910) of a rail vehicle (900), having at least one standardized fixing solution (110, 111) by means of which the subassembly can be releasably connected to the fixing profile-member (100, 101), and having a first connection region (140), by means of which the fixing profile-member (100, 101) can be connected in a materially engaging manner to a longitudinal carrier (920) in the underfloor region of the rail vehicle (900), and having a second connection region (130) by means of which the fixing profile-member (100, 101) can be connected in a materially engaging manner to the floor (930) of the rail vehicle (900), wherein said fixing profile-member has in cross section two members (134, 144) which are arranged in a substantially L-shaped manner relative to each other,
    characterized in that
    the connection regions (130, 140) are constructed at the ends of the members (134, 144) of the fixing profile-member (100, 101) in such a manner that the first connection region (140) has an abutment face (131) which is formed parallel with the longitudinal extent of the longitudinal carrier (920) and a seam face (132) which forms an angle between 50° and 70° relative to the abutment face (131), and wherein the second connection region (130) has an abutment face (141) which is formed parallel with the plane of the floor and a seam face (142) which forms an angle between 50° and 70° relative to the abutment face (141).
  2. Fixing profile-member according to Claim 1,
    wherein a groove (133, 143) is formed between the abutment faces (131, 141) and the seam faces (132, 142).
  3. Fixing profile-member according to one of Claims 1 to 2,
    wherein the abutment faces (131, 141) are arranged so as to be offset relative to the longitudinal axis of the members (134, 144).
  4. Fixing profile-member according to one of the preceding claims,
    wherein the at least one standardized fixing solution (110, 111) comprises a hole, a thread or a possible screwing connection.
  5. Fixing profile-member according to one of the preceding claims,
    wherein the fixing profile-member (100) can be fixed to the longitudinal carrier (920) by means of a weld seam and to the floor (930) by means of a weld seam or at least one welding spot.
  6. Fixing profile-member according to one of the preceding claims, wherein the fixing profile-member (100) is in the form of an extruded profile-member.
  7. Fixing profile-member according to one of the preceding claims, wherein it comprises an aluminum material.
  8. Use of a fixing profile-member according to one of Claims 1 to 7 for the underfloor assembly of a subassembly in a rail vehicle.
EP13741987.5A 2012-08-09 2013-07-15 Multifunctional fastening profile Active EP2849982B1 (en)

Priority Applications (1)

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Applications Claiming Priority (2)

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DE102012214162.6A DE102012214162A1 (en) 2012-08-09 2012-08-09 Multifunctional fastening profile
PCT/EP2013/064918 WO2014023522A1 (en) 2012-08-09 2013-07-15 Multifunctional fastening profile

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EP2849982A1 EP2849982A1 (en) 2015-03-25
EP2849982B1 true EP2849982B1 (en) 2017-08-30

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US (1) US20150210297A1 (en)
EP (1) EP2849982B1 (en)
CN (1) CN204998533U (en)
CA (1) CA2881215A1 (en)
DE (1) DE102012214162A1 (en)
DK (1) DK2849982T3 (en)
ES (1) ES2649440T3 (en)
PL (1) PL2849982T3 (en)
PT (1) PT2849982T (en)
WO (1) WO2014023522A1 (en)

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AT518144B1 (en) * 2015-12-16 2019-04-15 Siemens Ag Oesterreich Rail vehicle car box with a ground connection
DE102017102561B4 (en) 2017-02-09 2023-06-01 CG Rail - Chinesisch-Deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH Crossbeam for pivot mounting with load distribution element

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Publication number Priority date Publication date Assignee Title
DE3823418A1 (en) * 1988-07-11 1990-01-18 Duewag Ag Vehicle, in particular a rail vehicle

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CN204998533U (en) 2016-01-27
PL2849982T3 (en) 2018-01-31
DK2849982T3 (en) 2017-11-20
CA2881215A1 (en) 2014-02-13
DE102012214162A1 (en) 2014-06-12
WO2014023522A1 (en) 2014-02-13
US20150210297A1 (en) 2015-07-30
EP2849982A1 (en) 2015-03-25
PT2849982T (en) 2017-11-29
ES2649440T3 (en) 2018-01-12

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