DE102014113829A1 - Modular system for attaching an underfloor component to different car bodies, method for mounting an underfloor component to a car body, and rail vehicle fleet - Google Patents

Abstract

A modular system for fastening an underfloor component (1) to different car bodies of rail vehicles has at least one underfloor component (1) with a container for receiving and fastening a rail vehicle component in the container and at least first fastening elements (2, 2a, 2b) for fastening the underfloor component ( 1) on a first car body and at least second fastening elements (2, 2a, 2b) for the attachment of the underfloor component (1) to a second car body, which is different from the first car body. The fastening elements (2, 2a, 2b) are designed for load-bearing attachment of the underfloor component to the respective car body. In addition, the first and second fastening elements (2, 2a, 2b) each have a same interface (21, 22) for fastening the respective fastening element (2, 2a, 2b) to the container of the underfloor component (1). The first fastening elements (2, 2a, 2b) also each have a first interface (23, 24) for fastening the first fastening element (2, 2a, 2b) to the first vehicle body and the second fastening elements (2, 2a, 2b) each one second interface (23, 24) for fixing the second fastening element (2, 2a, 2b) on the second car body. The modular system is designed such that the container of the underfloor component (1) without further adaptation and by selecting the respective fastening elements (2, 2a, 2b) can be attached to the different car bodies.

Description

Technical area

The invention is in the field of rail vehicles, in particular in the field of modular underfloor arrangements on the car body of the rail vehicle. The invention also relates to a method for mounting a modular underfloor component on the body of a rail vehicle.

Prior art

Rail vehicles have a variety of different components that are to be attached to the car body of the rail vehicle. For example, utility components, such as transformers or air conditioners, may be attached to the vehicle body. Some of the components are mounted below the floor of the car body for the best possible space utilization.

In the case of known systems, the components to be fastened to the underfloor of the rail vehicle, but also side skirts of the rail vehicle and floor slabs, are adapted to the specific vehicle. As a result, the underfloor components have to be redesigned or existing underfloor components have to be adapted for each vehicle type. The adaptation of the side skirts and floor slabs is usually done via an additional support structure.

Although there are solutions for mounting support, in which a combined assembly of the underfloor components and the side skirts and the floor panels is offered, but they require more space in the vehicle longitudinal direction. This involves, in particular in the underground installation, some disadvantages, since the mounting space underfloor is limited. In addition, the problem of complex adaptation of the underfloor components to different types of vehicles is not solved.

The EP 1 340 662 A1 describes an underbody assembly for a rail vehicle. The underbody assembly includes a structural member extending longitudinally between the longitudinal sides of the railroad car, this structural member having a pair of longitudinally extending support members spaced transversely from one another. The underbody assembly forms a component niche between the longitudinally extending support members. The component niche is capable of receiving an underfloor component, the structural member being configured to partially support the underfloor component.

The US 4,825,774 A describes an underfloor structure of a rail vehicle having a housing surrounding underfloor components of a rail vehicle. The underfloor components are mounted directly on the car body of the rail vehicle. The housing surrounding the underfloor components is mounted to the car body by means of rails.

The US 8 083 280 B2 describes the assembly of several boxes at the bottom of a vehicle. The boxes can be used for storing luggage. The boxes are available in different sizes and can be used together to meet vehicle-specific requirements and provide maximum luggage space.

Disadvantages of the prior art

The systems known in the art require an adaptation of the underfloor components if they are to be used for different types of vehicles. This is not only expensive, but expensive, since the components may need to be changed in size and / or shape. In addition, the mounting systems of the underfloor components for attaching the underfloor component to the car body of the rail vehicle must be adapted to the specific vehicle in order to secure the adapted underfloor components and to be able to position reliably.

problem

It is therefore an object of the present invention to provide a fastening system for underfloor components, which makes it possible to mount the same or different underfloor components without adapting the underfloor component to different types of vehicles. The system according to the invention is also intended to enable a modular construction of the underfloor components and their attachment, so that both the development costs and the assembly costs for different types of vehicles are reduced. In addition, the fastening system should take into account the limited mounting space at the bottom of the rail vehicle and can be used in a correspondingly space-saving manner.

Inventive solution

This object is achieved by a modular system for securing an underfloor component to different car bodies according to claim 1, a method for mounting an underfloor component according to claim 13, and by a Rail vehicle fleet solved according to claim 15. Other embodiments, modifications and improvements will become apparent from the following description and from the appended claims.

According to one embodiment, a modular system for mounting an underfloor component to different car bodies of rail vehicles is provided. The modular system has at least one underfloor component with a container for receiving and securing a rail vehicle component in the container. Furthermore, the modular system has at least first fastening elements for fastening the underfloor component to a first vehicle body and at least second fastening elements for fastening the underfloor component to a second vehicle body, which is different from the first vehicle body. The fasteners are designed for load-bearing attachment of the underfloor component to the respective car body. In addition, the first and second fastening elements each have a structurally identical interface for fastening the respective fastening element to the container of the underfloor component. The first fastening elements also each have a first interface for fastening the first fastening element to the first vehicle body and the second fastening elements each have a second interface for fastening the second fastening element to the second vehicle body. The modular system is designed so that the underfloor component can be attached to the different car bodies without further adaptation of the container and by selection of the respective fastening elements.

Due to the modular system for attaching an underfloor component to different car bodies of rail vehicles, a simple and cost-effective adaptation of the underfloor component to be fastened can be realized. Interfaces between the carbody and the underfloor component container are provided which are independent of the carbody design or type (also independent of the position of a longitudinal member of the carbody, for example). The interfaces can be standardized and identical for all underfloor components. Furthermore, the modular system described herein according to embodiments is flexible for changes and new body types. The modular system according to embodiments may comprise a kit having, for example, identical containers for underfloor components, which can be mounted on different car bodies. Furthermore, various underfloor components can be provided standardized, for example via standardized containers of different sizes. In this case, then the adjustment of the attachment of the underfloor components, concretely the container to different types of carts by selecting a suitable fastener having a standardized interface to the container of the underfloor component, but is adapted in the rest of the design of the corresponding type of car body. This makes it possible to produce the underfloor components regardless of the specific type of car body standardized, thereby manufacturing costs can be saved. The adaptation to the load-bearing attachment of the underfloor component to the different car bodies is done by selecting the adapted to the respective car body fasteners. Thus, the same fastening system can be used for the different types of carts or projects.

This addresses a problem that today affects almost all redesigned rail vehicles: the underfloor construction of any newly designed rail vehicle differs from previously known rail vehicles. For example, there are significant differences in the underfloor structure of a fast train compared to a regional or local train. Therefore, in known systems, various solutions for the underfloor components, side skirts and floor slabs, individually created for each vehicle type, are designed. There is virtually no reuse effect, which leads to high development and assembly costs. With the modular system according to embodiments, in which different fastening elements are provided for the same underfloor component, which have a standardized interface to the underfloor component, it is possible to be flexible enough to meet different requirements with a flexible system. These different requirements may be, for example, the varying carbody width in different types of vehicles.

It is thus possible that an underfloor component can be mounted with identical container to different car bodies by selecting the appropriate fasteners. The underfloor component may, in addition to the structural interfaces for the fasteners also have other Schnittstellten, for example, electrical interfaces, hydraulic interfaces, or pneumatic interfaces.

By example, standardized design of a particular underfloor component, especially for different types of carts, at least as regards the interface to the fastener, there is a high re-use effect, since the underfloor components can be used for almost all vehicle types. The Adapting to different car bodies by selecting the appropriate fasteners also allows to provide sufficient flexibility with respect to the car body interfaces. The fasteners in embodiments typically have an identical or similar interface to the underfloor components, wherein the interface of the fasteners is not predetermined to the car body and can be included depending on the type of car body in the choice of fasteners.

Another effect of the modular system according to embodiments is that suppliers can adapt to the standardized components and thereby the costs can be reduced. The same interfaces and the same or similar design of the underfloor components also reduce the assembly effort, and thereby the installation costs. For example, a uniform size for a particular underfloor component for different vehicles of a rail fleet can be specified. Specifically, the size can refer to the container of the underfloor component. By specifying the size by the rail vehicle manufacturer, this can control and optimize the arrangement and space requirements of the individual underfloor components, whereby a better space utilization can be achieved.

The fasteners are typically detachably connected to the container of the underfloor component and the car body, whereby an easy replacement is ensured.

The fasteners are used in particular the load-bearing attachment of the respective underfloor component on the car body, d. h., The fasteners carry the weight of the underfloor component. Other load-bearing elements, for example, cross members attached to the body are not required and can be saved, whereby the available space is increased. The attachment of the underfloor components on the car body is thus preferably without such cross member.

The containers may further comprise support elements which form an inner support frame of the container and carry the container-side interfaces. The interfaces are then part of the scaffold. On the scaffold also side walls of the container can be attached.

Alternatively, it is possible for the interfaces to be formed directly from or attached to the side walls of the container. Depending on the weight of the underfloor component, the containers may have the additional inner scaffold or only the sidewalls.

Furthermore, it is possible that the scaffold alone forms the container, i. this one is open.

According to one embodiment, the containers of different underfloor components have a standardized width, i. in the transverse direction of the car bodies, but over different lengths, i. in the longitudinal direction of the car bodies. The standardized width may be for a vehicle fleet, i. a variety of different vehicles, be configured identically. The standardized width preferably corresponds to a width which is also suitable for installation in the narrowest vehicle of the vehicle fleet, in particular the maximum possible width for installation in the narrowest vehicle for a given clearance profile. The bottom of the container may form the floor panel of the vehicle. Thus, the bottom plates of a vehicle fleet may have the same width.

In one dimension, here in the transverse direction of the car bodies, the containers are preferably the same, but in the other dimension, i. in the longitudinal direction, be different. This makes it possible to use the same fasteners for different containers. For the attachment of different containers, and thus underfloor components, on the same type of carbody same fastening elements are thus required. The first and second fasteners are the same. The modular system may comprise a standardized box which at the same time forms the housing for the underfloor component. The essential elements for adapting the box to a particular vehicle, in addition to the fasteners and the side skirts.

In one embodiment, the first and second fastening elements are different, in particular the first and second fastening elements are different in size and / or shape and / or in their structural configuration. The flexible design of the size and / or shape of the fasteners adaptation to different geometries of the car bodies is possible. For example, by adjusting the size and shape of the fasteners, the position of the interface between fastener and car body can be varied.

According to one embodiment, the first and second fastening elements differ in that the interfaces of the fastening elements to the first and second car body are at different positions with respect to the interface to the underfloor component. This makes it possible at the same time a standardized or provide the same interface between the fastener and underfloor component and to allow mounting on different car bodies.

In one embodiment, by the selection of the respective fasteners, an adaptation to the car body size and / or the car body shape and / or the height of the car body floor. In this case, the adaptation to the car body size or shape can be done exclusively by selecting the appropriately shaped and work in a time- and cost-saving.

According to one embodiment, the nature of the first and second interface of the first and second fastening elements to the car body is the same, in particular the interfaces of the first and second fastening elements allow to the car body a connection of the first and second fastening elements to a C rail of a car body. As a result, a further simplification of the fastening system can be realized and the assembly costs are reduced. An attachment to the car body by means of C-rail provides an easy-to-install and flexible positioning of the underfloor component on the car body.

In one embodiment, the first and / or second fastening elements have at least one further interface for fastening a side trim for the rail vehicle. The fasteners may be designed to carry the weight of the side panel. As a result, no separate structure for the side panel is required, which reduces both the manufacturing costs and the installation costs by reducing assembly costs. The fastener, which can take over the attachment function for several components of the rail vehicle, also improves the reuse effect of the system. In one embodiment, a bottom plate for the rail vehicle can also be provided, wherein the bottom plate, for example, on the underfloor component releasably fastened bar. Corresponding interfaces may be provided on the underfloor component. Overall, the system described thus provides a design that can do without additional support for side skirts and / or floor panels, which also has a positive effect on the weight reduction of the rail vehicle.

According to one embodiment, the container of the underfloor component has a further interface for fastening a side lining for the rail vehicle, wherein the side lining closes the container laterally. The side panel can thus take over both the function of the outer end of the container as well as the function of the side panel of the rail vehicle. The container is so open without this side panel at least on this side.

In a further advantageous embodiment of the modular system, in which the containers used for a vehicle fleet have a standardized width, each adapted side panels can be provided for different vehicles. The receiving space under the car body for receiving the underfloor component may be formed by the container and the side panel adjacent to the container. The side paneling may be more curved or box-shaped in wider vehicles. In an area adjoining the container, the side panel may have a substantially horizontal course, in a region adjacent to the side wall of the car body a substantially vertical course. Between the adjacent to the container and the adjacent to the side wall of the vehicle area, the side panel runs in the narrowest vehicle of a vehicle fleet preferably substantially straight, while the side panel runs at wider vehicles substantially bulbous curved. With wider vehicles, the receiving space is thus increased compared to narrower vehicles.

The side panel is visible from the outside and takes over, for example, the function of aerodynamic air ducting and paneling.

Additionally or alternatively, a bottom panel for closing the container on its underside may be attached to the support frame of the container and / or to the fastening elements.

The side panel, whether attached to one or two fasteners and / or to the container, may be hinged, for example by means of a hinge, to allow simultaneous access to the container or components contained in the container when the side panel is opened ,

By attaching the side panel directly to the fasteners for the container or to the containers themselves additional fasteners for the side panels are avoided, whereby the available space is better utilized.

The container may form part of the underfloor structure of the rail vehicle, i. the side trim, for example in the form of side skirts, may be attached to the container, e.g. about hinges.

The container may be closed laterally and alone by the side skirts, or have their own side walls for special requirements on the seal or for the supply of filtered air.

The container may form a mounting structure for a bottom plate. Preferably, the underbody of the container may form the bottom plate. In this case, the height of the subfloor can be adjusted via the individualized fasteners.

The fasteners may form bulkheads to control or prevent the airflows to the box (if the underfloor component requires filtered air) or to provide fire protection.

Possible components for accommodating in a container, for example, a toilet tank, which here no lateral air supply to the container are required, converter, brake equipment, such as compressed air tanks or pneumatic control, compressor, air conditioning, batteries, e-distributors, fuses, tanks or a Transformer.

According to a preferred embodiment, the fastening elements are designed such that in each case a predefined distance remains between underfloor components and car bodies, or between the container and the car body, in the assembled state. Thus, the underfloor components or containers together with the car body limit a cavity for receiving at least one cable channel, fluid lines or supply and / or disposal lines. Between underfloor component or container and car body arranged cables or lines can serve the connection of the underfloor component. For the connection of the underfloor component, this is preferably laterally or at its top, i. in the mounted position on the side facing the car body, in particular offset laterally to the center plane of the car body, or provided in the direction of the longitudinal side of the car body with at least one connecting device. Thus, a mounting-friendly accessibility of the connection device is ensured.

According to one embodiment, the selection of the different fastening components for the underfloor components makes it possible to adjust the lateral position of the underfloor component in relation to the wagon body width. By selecting the fastener from a group of fasteners of different sizes, the position of the underfloor component can be adjusted, in particular with respect to the longitudinal axis of the rail vehicle.

In one embodiment, one of the first and second fasteners is provided for each particular carbody type. The specific adaptation of the fasteners to a trolley type allows a modular, yet safe and reliable attachment of the underfloor component to the car body.

According to one embodiment, the container of the underfloor component has four interfaces for four first or four second attachment elements. As a result, a secure mounting of the underfloor component on the car body can be ensured. Those skilled in the art will understand that the number of interfaces of the underfloor component to the fastener and fasteners used may depend on the underfloor component geometry.

According to one embodiment, the system has a plurality of identical underfloor components each having a container of identical construction, the containers of the underfloor components each having identical interfaces for fastening a first or second fastening element. The standardized design of the underfloor component can further simplify the modular system. For example, the housing of the underfloor components may have substantially the same dimensions.

According to one embodiment, the system comprises at least two underfloor components with different, i. not identical containers, wherein the container of the underfloor components each have the same interfaces for securing the first or second fasteners.

According to further embodiments, a system for modular underfloor mounting of underfloor components to different car bodies of rail vehicles is provided. The system has an underfloor unit consisting of an underfloor component and at least one fastening element. The underfloor unit is adaptable to different sizes of vehicle types by selecting a fastener from a group of different fasteners.

In addition, the fasteners from the group of different fasteners on a standardized interface between the underfloor component and fastener and an interface between the car body and fastener. The fasteners from the group of different Fasteners can fasten the underfloor component load-bearing on the car body. The adaptation of the underfloor unit to different sizes of vehicle types takes place exclusively on the design of the fastener.

According to embodiments, a rail vehicle with underfloor component is provided. The rail vehicle has releasably connectable fasteners with a standardized component-side interface to the container of the underfloor component and a carriage box-side interface to the car body of the rail vehicle for releasably attaching to the car body, wherein the fastener fastened the underfloor component load-bearing on the car body. The carriage box-side interfaces of fasteners for different underfloor components are the same. Likewise, the component-side interfaces to different underfloor components may be the same. Thus, all fasteners may have the same cart side interface and the same component-side interface, but the fasteners are otherwise adapted to the respective car body.

Thus, according to one embodiment, a fastening system is provided which has at least two, typically several groups of fastening elements which are each adapted for load-bearing attachment of an underfloor component to a wagon body. The fasteners of a group are identical. The fasteners of different groups are different. All fasteners of all groups may have the same carriage-box-side interfaces and the same component-side interface so as to provide a standardized mounting system for different or the same underfloor components on different or the same car bodies.

The fastener allows adaptation to different car bodies of rail vehicles by selecting the fastener from a group of fasteners with adapted to different car bodies sizes and / or shapes.

According to embodiments, the fastening elements may have, in addition to the carriage-box-side interfaces and the component-side interface, at least one further interface which serves for fastening trim elements for covering the underfloor component. This interface can also be referred to as a panel-side interface.

According to one embodiment, the fastening elements each have a support region on which the underfloor component rests in the fastened state. The support area can, for example, partially surround the underfloor component.

According to one embodiment, the containers may be closed or partially or completely open frame constructions, i. they are formed by the above-described scaffold. The containers may for example be closed on all sides, or at least closed at the bottom and three or all sides. Frame structures (scaffolds), however, are open construction units.

In accordance with another embodiment, a method for mounting an underfloor component to a railcar body of a rail vehicle is provided. The method comprises: providing an underfloor component with a container for receiving and securing a rail vehicle component in the container, wherein the container has identical interfaces for first and second fasteners to fasten the underfloor component load-bearing on the car body. The method further comprises: selecting first or second fastener elements, wherein the second fastener elements are different from the first fastener elements, and wherein the first and second fastener elements each have a structurally identical interface for attaching the respective fastener to the container of the underfloor component. The first fastening elements each have a first interface for fastening the first fastening element to the first vehicle body, and the second fastening elements each have a second interface for fastening the second fastening element to the second vehicle body. By selecting the fastener, it is possible to attach the underfloor component to different car bodies of rail vehicles.

In one embodiment, the method includes attaching the selected fastener to the underfloor component and to the carbody.

The invention can be used wherever different car bodies are used for vehicles, in particular rail vehicles. In particular, the invention can be used where the same or similar underfloor components are to be attached to different car bodies.

According to one embodiment, a rail vehicle fleet has at least one first Rail vehicle with a first car body and at least a second rail vehicle with a second car body, which is different from the first car body. On the first car body and on the second car body in each case an underfloor component, each with a container of identical construction for receiving and fastening a rail vehicle component in the container is attached. The respective container is mounted load-bearing with first fasteners on the first car body and second fasteners on the second car body. The first and second fastening elements each have a structurally identical interface for fastening the respective fastening element to the container of the underfloor component. The first fasteners each have a first interface with which they are attached to the first car body, and the second fasteners each have a second interface with which they are attached to the second car body.

On rail vehicles with different car bodies thus identical containers are fixed by using the respective fasteners, without the need for an adaptation of the respective container of the underfloor components.

characters

The accompanying drawings illustrate embodiments and, together with the description, serve to explain the principles of the invention. The elements of the drawings are relative to one another and not necessarily to scale. Like reference numerals designate like parts.

1 shows an underfloor component with fasteners according to one embodiment.

2 shows an underfloor component, which is mounted by means of fastening elements to two different car bodies of a rail vehicle according to an embodiment of the invention.

3 shows an underfloor component with fasteners and two side members of a rail vehicle according to one embodiment.

4a to 4c show various views of an underfloor component with fasteners according to one embodiment.

5 shows an exploded view of a modular system for mounting an underfloor component to a car body of a rail vehicle according to embodiments.

embodiments

The following describes a modular system for fastening underfloor components to car bodies of a rail vehicle. The invention is not limited to the examples shown in the figures, but can be used for various underfloor components or fasteners and in various embodiments.

1 shows a modular system 100 with an underfloor component 1 with a container shown here closed and first fasteners 2 , In the in 1 embodiment shown has the modular system 100 four first fasteners, which are each attached to a corner of the underfloor component. The fasteners 2 have, as will be explained in detail later, (in particular standardized) interfaces, ie component-side interfaces for attaching the fasteners 2 at the underfloor component 1 on. Also the underfloor component 1 includes standardized interfaces to attach the fasteners to the underfloor component. The exemplified first fasteners may be four equal parts. In another embodiment, the four first fastening elements may differ from each other. In addition, the skilled person will understand that the fasteners are not limited to the number shown. In one embodiment, the number of fasteners may be selected according to the type of underfloor component.

The underfloor component as described herein may be understood as a component to be attached to the rail vehicle below ground. For example, the underfloor component as described herein may include functional elements, such as supply components (e.g., transformers, ventilation systems, batteries, tanks, and the like). In one example, the underfloor component may include a box or container housing one or more functional elements. In another example, the underfloor component may consist of a functional element and its housing. In particular, the housing of the underfloor component, or the box or the container of the underfloor component, a standardized interface for fixing the fastener on. The type of material of the underfloor component, the box, or the housing can be chosen flexibly and according to the requirements.

2 shows a view of an underfloor component, on two different car bodies 10 . 20 is fixed by rail vehicles. The car bodies 10 and 20 differ in the in 2 shown by the height in the vertical direction, which is the installation of the underfloor component 1 affected. In addition, the car bodies differ 10 . 20 in width in the horizontal direction, which is also important for the assembly of the underfloor components.

The underfloor component 1 of the 2 is by means of first fasteners 2a at the first car body 10 , or by means of second fastening elements 2 B on the second car body 20 attached. In general, the fasteners according to embodiments, the weight of the underfloor components on the car body load-bearing hold, in particular without a further support structure attached to the car body is needed. As mentioned above, the different fasteners include 2a and 2 B a component-side interface 21 respectively. 22 to the underfloor component, ie to the container of the underfloor component. The interfaces 21 and 22 between underfloor component 1 and fastener are preferably standardized. In one embodiment, standardized interfaces are of the same type and independent of any other factors, such as the type of components to be connected or the particular installation situation. This means in particular that the standardized interface between underfloor component and fastening element according to embodiments is always the same, regardless of the different fastening elements and the underfloor component to be fastened.

The first fastening elements 2a also has a first interface 23 to the car body 10 , and the second fastening element 2 B an interface 24 to the car body 20 on. These are carriage box-side interfaces. The interfaces 23 . 24 may be the same in the system described, but need not be. In the in 2 example shown are the fasteners 2a and 2 B by means of a suspension on the car body 10 , respectively. 20 attached. In another example, the fasteners may be attached to the carbody by means of C-rails, for example. The attachment of the fasteners on the car body can generally be done depending on the car body type.

As in 2 shown, the first fasteners differ 2a from the second fastening elements 2 B , According to one embodiment, the fastening elements differ 2a and 2 B by the position of the interfaces. For example, you can in 2 see that interface 21 of the first fastener 2a to the underfloor component 1 a vertical distance 30 to the interface 23 of the first fastener 2a to the car body 10 having. the interface 22 of the second fastening element 2 B to the underfloor component 1 but has a vertical distance 40 to the interface 24 of the second fastening element 2 B to the car body 20 up, that of the distance 30 is different. This makes it clear that the fasteners are different according to embodiments, which may affect both the shape and the size of the fasteners.

The in the 2 shown car bodies 10 . 20 can be produced in one embodiment by an extrusion process by which the provision of an interface to a fastener can already be considered in the manufacturing process. For example, a C-rail may be provided integrally with the carbody. In another embodiment, the interface of the car body can be made separately to the fastener and then firmly connected to the car body, for example by screwing a C-rail to the car body.

Between the underfloor components 1 and the car bodies 10 . 20 , or between the container and the car body, a distance is provided in each case. Thus, the underfloor components or containers together with the car body limit a cavity for receiving at least one cable channel, fluid lines or supply and / or disposal lines.

3 shows a further embodiment of a modular system. The modular system includes an underfloor component 1 , four first fasteners 2 and side skirts 3a and 3b of the rail vehicle, which by means of an interface to the first fasteners 2 and load-bearing of the fasteners 2 being held. In another embodiment, the underfloor component is adapted to hold the side skirts of the rail vehicle, in which case the combination of underfloor component and side skirts is held load bearing together by the fastener on the carriage body.

The side skirts 3a and 3b For example, they may serve as a side cover for the rail vehicle. In one embodiment, the fastening element and / or the underfloor component may have a receptacle or interface for a bottom plate. Therefore, when using the underfloor component mounting system, no additional (supporting) structure is required for the additional components such as side skirts and floor panels.

The side skirts 3a and 3b can be chosen flexibly in shape, height and length and can optionally with air ducts and / or be equipped electrical supply lines. The fastening of the side skirts can take place, for example, by a joint, by extrusion profiles of the side skirts and on the fastening element (or on the underfloor component), and / or by a C rail in the vehicle longitudinal direction. For sealing the in 3 shown underfloor construction may have an additional sealing surface 4 be provided. In the event that the underfloor structure is not to be provided with side skirts, or in the case of a high IP rating of the rail vehicle, the underfloor component itself may have separate skirts or manifold components 5 be equipped.

The 4a to 4c show different views of a modular system 100 for fastening an underfloor component to the body of a rail vehicle. The system 100 includes an underfloor component 1 and four first fasteners 2c . 2d . 2e and 2f as described above. In the in the 4a to 4c In the embodiment shown, the fastening elements are identical on a respective lateral side of the underfloor component. Accordingly, in the 4a the first fasteners 2c and 2d the same while the first fasteners 2e and 2f differ from these, but are also equal to each other. In this case, for example, the respective installation situation and the respective space conditions on the different car bodies of rail vehicle types and / or the respective installation situation and the respective space conditions on the different lateral sides of a car body of a rail vehicle type can be taken into account without having to adapt the underfloor component. It shows the 4a an example in which the fasteners 2c and 2d allow a different vertical mounting height than the fasteners 2e and 2f , The pointing in the direction of the car body mounting interfaces of the fasteners 2c . 2d . 2e and 2f , which are shown here schematically by way of example as flat surfaces, may be spaced in a vertical direction from the underfloor component. In this way, in the assembled state, a cavity between underfloor component and car body, which is suitable for accommodating cable ducts or supply lines.

In the 4a and 4b is exemplified as the side skirts 3a and 3b on the fasteners 2c and 2f are attached. The side skirts 3a and 3b have in the example shown on ventilation slots, which can provide, for example, a ventilation of the underfloor component available or can be used for the air supply of the rail vehicle interior. In the 4b and 4c is also the sealing surface 4 to see a seal of the underfloor component 1 guaranteed.

In the 4c is particularly good the different installation height of the underfloor component 1 can be seen, which can be achieved by the selection of the corresponding first and second fasteners, while the interfaces between fasteners and underfloor component is standardized.

5 shows an exploded view of a modular system 100 for fastening an underfloor component according to embodiments. With the modular system, which in 5 is shown in a set, it is possible to use a system with maximum flexibility with respect to different installation situations, especially when using the same underfloor component with a defined, standardized interface and a similar or identical design for different vehicle types.

The underfloor component 1 can be the same for different types of vehicles, or be provided in a container of the same size and shape. After providing the underfloor component 1 can, depending on the vehicle type and installation situation, the fastener, or fasteners 2c . 2d . 2e and 2f to be selected. As described above, the fasteners have a standardized interface to the underfloor component. In the in 5 As shown, the underfloor component can be mounted without adapting the underfloor component by selecting the appropriate fasteners to a car body with different installation heights. For a car body side with a lower installation height, for example, in the in 5 shown example, the fasteners 2c and 2d chosen for the other car body side with a larger installation height, the fasteners 2e and 2f selected. The design of the fastener is selected accordingly, for example, based on the size and shape of the fastener.

In 5 can still side skirts after mounting the fasteners to the underfloor component 3a and 3b and / or a bottom plate 6 attached to the fasteners. A sealing surface 4 , which can be attached to one of the fasteners or the underfloor component itself, allows a seal of the underfloor component, for example, against incoming moisture or dirt. A separate apron 5 may be directly attached to the fasteners or to the underfloor component, which may have receptacles suitable for this purpose, forming a trim-side interface.

The underfloor component 1 can also be a container in the form of a partially open Have frame construction. In this case, for example, the apron 5 form a side wall of the container. The side skirt 3b then serves here only as visible to the outside side panel of the rail vehicle. Alternatively, the side skirt can serve both as a side panel of the rail vehicle and as a side wall for lateral closure of the container. This dual function is for example through the side skirt 3a accepted.

Both the side skirt 3b as well as the side skirt 3a can be pivoted on the container or on the respective fasteners 2c . 2d . 2e . 2f be attached.

In one embodiment, the fasteners and the underfloor component are described together as an underfloor unit, which can be adapted to different car bodies of rail vehicles. The adaptation takes place exclusively by the selection of the corresponding fasteners from a group of fasteners, as has been described above in detail, for example. Typically, the underfloor component and / or the fasteners of the underfloor unit in embodiments may have the features described above.

According to one embodiment, a rail vehicle has an underfloor component which is held in a load-bearing manner by a fastening element. In this case, the fastening element is selected from a group of fastening elements having different sizes and / or shapes, in order to adapt to different types of car body while at the same time standardized connection of fastening element and underfloor component. The above-described examples of features for the underfloor component and the fasteners may also find application in this embodiment.

With the modular system according to embodiments, the attachment function between the car body and underfloor component is shifted from the car body to the underfloor unit. Thus, it is possible to offer the underfloor components, their housings, or the underfloor component containing container or box in a standardized manner, i. in a way that is the same for all vehicle types. The adaptation to the different car bodies of different vehicle types (for example, an adaptation to different carbody widths) then takes place by means of fastening element, in particular by selecting a suitable fastener. In previously known systems, this was achieved, for example, via mounting beams, which, however, resulted in a loss of installation space in the vehicle longitudinal direction.

Thus, the modular system for securing an underfloor component provides an interface to the underfloor component that is independent of the carriage body design (for example, independent of the position of a long carrier) and independent of the underfloor cross section. The structure and the fixation for side skirts and bottom plates may be formed as parts of. The modular system offers a flexible application and can be adapted to different cross sections with a high reuse value for technical solutions and components. Among other things, this results in shorter development time, a proven and reliable design, a reduction in costs and a reduction in life cycle costs.

In particular, with the modular system for securing the underfloor component, it is possible to provide a standardized design for all variants of rail vehicle chassis. In this case, in embodiments, both the underfloor component and the interface between underfloor component and fastening element can be standardized. The standardized interface can be implemented independently of the design of the underfloor of the car body.

The above-described embodiments may be arbitrarily combined with each other. While specific embodiments have been illustrated and described herein, it is within the scope of the present invention to properly modify the illustrated embodiments without departing from the scope of the present invention. The following claims are a first, non-binding attempt to broadly define the invention.

LIST OF REFERENCE NUMBERS

1

 Underfloor component

2, 2a-2f

 fasteners

3a, 3b

 side skirts

4

 seal

5

 separate apron

6

 baseplate

10

 first carbody

20

 second car body

21, 22

 Interfaces to the underfloor component

23, 24

 Interfaces to the car body

30, 40

 vertical distance between interfaces

100

 modular system

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 1340662 A1 [0005]
• US 4825774 A [0006]
• US8083280 B2 [0007]

Claims (15)

Modular system ( 100 ) for attaching an underfloor component to different car bodies of rail vehicles, comprising: at least one underfloor component ( 1 ) with a container for receiving and fixing a rail vehicle component in the container; at least first fastening elements ( 2 . 2a . 2 B ) for the attachment of the underfloor component ( 1 ) on a first car body ( 10 . 20 ) and at least second fastening elements ( 2 . 2a . 2 B ) for the attachment of the underfloor component ( 1 ) on a second car body, which is different from the first car body, wherein the fastening elements ( 2 . 2a . 2 B ) for load-bearing attachment of the underfloor component to the respective car body ( 10 . 20 ), and wherein the first and second fastening elements ( 2 . 2a . 2 B ) each have a same interface ( 21 . 22 ) for fastening the respective fastening element ( 2 . 2a . 2 B ) on the container of the underfloor component ( 1 ), and wherein the first fastening elements ( 2 . 2a . 2 B ) each have a first interface ( 23 . 24 ) for fastening the first fastening element to the first vehicle body and the second fastening elements ( 2 . 2a . 2 B ) each have a second interface ( 23 . 24 ) for attaching the second fastening element to the second car body, so that the underfloor component ( 1 ) without further adaptation of the container and by selection of the respective fastening elements ( 2 . 2a . 2 B ) at the different car bodies ( 10 . 20 ) can be attached. Modular system according to claim 1, wherein the first and second fastening elements ( 2 . 2a . 2 B ) are different, in particular in size and / or shape. Modular system according to one of the preceding claims, wherein the first and second fastening elements ( 2 . 2a . 2 B ) differ in that the first interface ( 23 ) of the first fastening elements to the first car body ( 10 ), or the second interface ( 24 ) of the second fastening elements ( 2 . 2a . 2 B ) to the second car body ( 20 ) at different positions ( 30 . 40 ) relative to the interfaces of the first and second fastening elements to the underfloor component ( 1 ) are. Modular system according to one of the preceding claims, wherein the selection of the respective fastening elements ( 2 . 2a . 2 B ) an adjustment of the load-bearing attachment of the underfloor component to the car body size and / or the car body shape and / or the height of the car body floor is done. Modular system according to one of the preceding claims, wherein the first interface ( 23 ) of the first fastening elements ( 2 . 2a . 2 B ) and the second interface ( 24 ) of the second fastening elements ( 2 . 2a . 2 B ), in particular the first interface ( 23 ) and the second interface ( 24 ) allow a connection of the first and second fastening elements to a C-rail of a car body. Modular system according to one of the preceding claims, wherein the first and second fastening elements ( 2 . 2a . 2 B ) other interfaces for the attachment of a side panel ( 3a . 3b ) for the rail vehicle. Modular system according to one of claims 1 to 5, wherein the container of the underfloor component further interfaces for the attachment of a side panel ( 3a . 3b ) for the rail vehicle, wherein the side cover closes the container laterally. Modular system according to one of the preceding claims, wherein by selecting the different fastening elements ( 2 . 2a . 2 B ) for the underfloor components ( 1 ) a lateral position of the underfloor component ( 1 ) is adjustable in relation to the car body width. Modular system according to one of the preceding claims, wherein the first fastening elements ( 2 . 2a . 2 B ) for fixing the underfloor component to a first type of wagon body and the second fastening elements ( 2 . 2a . 2 B ) are adapted for attachment of the underfloor component to a second type of wagon body. Modular system according to one of the preceding claims, wherein the container of the underfloor component has four interfaces for each four first or four second fastening elements. Modular system according to one of the preceding claims, further comprising: a plurality of, in particular identical, underfloor components ( 1 ), each with a container identical in construction, the identical container of the underfloor components ( 1 ) in each case identical interfaces for fastening the first or second fastening elements ( 2 . 2a . 2 B ). Modular system according to one of the preceding claims, further comprising: at least two different underfloor components ( 1 ), each with different containers, the containers of the underfloor components ( 1 ) in each case identical interfaces for fastening the first or second fastening elements ( 2 . 2a . 2 B ). Method for mounting an underfloor component ( 1 ) on a car body ( 10 . 20 ) of a rail vehicle, comprising: providing an underfloor component ( 1 ) with a container for receiving and fastening a rail vehicle component in the container, the container having identical interfaces for first and second fastening elements ( 2 . 2a . 2 B ) to the underfloor component ( 1 ) on the car body ( 10 . 20 ) load-bearing to fix; Selecting first or second fasteners ( 2 . 2a . 2 B ), wherein the second fastening elements are different from the first fastening elements, wherein the first and second fastening elements ( 2 . 2a . 2 B ) each have a same interface ( 21 . 22 ) for fastening the respective fastening element to the container of the underfloor component ( 1 ) and wherein the first fastening elements ( 2 . 2a . 2 B ) each have a first interface ( 23 . 24 ) for fastening the first fastening element to the first vehicle body and the second fastening elements ( 2 . 2a . 2 B ) each have a second interface ( 23 . 24 ) for securing the second fastening element to the second car body, wherein by selecting the fastening element ( 2 . 2a . 2 B ) the underfloor component ( 1 ) can be attached to different car bodies of rail vehicles. The method of claim 13, further comprising: attaching the selected fastener (10) 2 . 2a . 2 B ) at the underfloor component ( 1 ) and on the car body. A rolling stock comprising at least a first rail vehicle having a first car body and at least one second rail vehicle having a second car body different from the first car body, each of the first car body and the second car body having an underfloor component ( 1 ) is fastened with one identical container for receiving and fastening a rail vehicle component in the container, the respective container with first fastening elements ( 2 . 2a . 2 B ) on the first car body ( 10 . 20 ) and with second fastening elements ( 2 . 2a . 2 B ) is mounted load-bearing on the second car body, and wherein the first and second fastening elements ( 2 . 2a . 2 B ) each have a structurally identical interface ( 21 . 22 ) for fastening the respective fastening element ( 2 . 2a . 2 B ) on the container of the underfloor component ( 1 ), and wherein the first fastening elements ( 2 . 2a . 2 B ) each have a first interface ( 23 . 24 ), with which they are attached to the first car body and the second fastening elements ( 2 . 2a . 2 B ) each have a second interface ( 23 . 24 ), with which they are attached to the second car body.

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