Fastening profile for elements in a car body of a rail vehicle, car body for a rail vehicle with a fastening profile, rail vehicle with a car body and method of attaching an element to a wagon body

The fastening profile with grooves and clamping devices allows flexible and efficient attachment of components in rail vehicles, addressing inflexibility and cost issues of existing systems, with stable and vibration-damped connections.

EP4667317A1Pending Publication Date: 2025-12-24STADLER RAIL
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Patent Information

Application Number
EP2024183087
Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-12-24

AI Technical Summary

Technical Problem

Existing fastening systems for rail vehicle car bodies are inflexible, costly, and complex, limiting the ability to change mounting positions after initial assembly.

Method used

A fastening profile with a longitudinal axis, lateral axis, and vertical axis, featuring grooves with varying orientations and dimensions, allowing for flexible and efficient attachment of components using clamping devices and adhesive surfaces, and optionally integrated with the car body.

Benefits of technology

Enables quick, safe, and flexible mounting of components in rail vehicles, reducing assembly complexity and cost while providing stable and vibration-damped connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a fastening profile (1) for elements in a car body (2) of a rail vehicle. The fastening profile (1) has a longitudinal axis (3), a lateral axis (4), and a vertical axis (5). The extent of the fastening profile (1) along the longitudinal axis (3) is at least five times greater than the extent along the lateral axis (4) and / or along the vertical axis (5). The fastening profile (1) has a cross-section oriented along the lateral axis (4). The fastening profile (1) has a profile fastening area (6) and an element fastening area (7) in cross-section. The element fastening area (7) comprises at least a first groove (8), a second groove (9), and a third groove (10). The opening of the second groove (8) and the opening (19) of the third groove (10) have essentially the same orientation in the cross-section of the fastening profile (1).The first groove (8) has an opening (17) which, in the cross-section of the fastening profile (1), is formed opposite to the opening (18) of the second groove (12) and opposite to the opening (19) of the third groove (10). The invention also relates to a car body (2) for a rail vehicle, a rail vehicle with a car body (2), and a method for fastening an attachment (26) in a car body (2).
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Description

[0001] The present invention relates to a fastening profile for elements in a car body of a rail vehicle, a car body for a rail vehicle with a fastening profile, a rail vehicle with a car body and a method for fastening an attachment to the car body.

[0002] Fastening profiles for components within the car body of a rail vehicle are known from the prior art. These profiles attach components to the interior of rail vehicles using screws, rivets, and clamping solutions. With known fastening systems, the components are fixed in their positions. This results in the disadvantage of inflexibility during assembly, as the mounting positions must be defined beforehand and cannot be changed subsequently.

[0003] Fastening systems are also known where the position of the attachments does not need to be predetermined. For example, document WO 2014 / 000985 A1 discloses a fastening rail for interior wall coverings and attachments. However, this rail is complex and expensive to manufacture and install. Another rail system is known from CN 110065513 A. This rail system is comparatively simple in design, but limited in its function and inflexible in its application.

[0004] The object of the invention is to overcome the disadvantages of the prior art and in particular to create a fastening profile for elements in a car body of a rail vehicle which is inexpensive to manufacture and easy to use and by which attachments can be quickly, safely and flexibly mounted in a rail vehicle.

[0005] The problem is solved by a fastening profile for elements in a car body of a rail vehicle, a car body for a rail vehicle, a rail vehicle with a car body and by a method for fastening an attachment to a car body according to the independent patent claims.

[0006] In particular, the problem is solved by a fastening profile for elements in the car body of a rail vehicle. The fastening profile has a longitudinal axis, a lateral axis, and a vertical axis. The extent of the fastening profile along the longitudinal axis is at least five times the extent along the lateral axis and / or the extent along the vertical axis. The fastening profile has a cross-section in the direction of the lateral axis. In cross-section, the fastening profile has a profile fastening area and an element fastening area. The element fastening area comprises at least a first groove, a second groove, and a third groove. An opening of the second groove and an opening of the third groove have substantially the same orientation in the cross-section of the fastening profile.The first groove has an opening whose cross-sectional orientation is opposite to that of the second and third grooves. The second groove may be located closer to the profile fastening area than the first and third grooves. The first groove may be designed to accommodate an interior wall component. The second groove may be designed to accommodate an interior wall component. The third groove may be designed to accommodate an attachment component. The longitudinal dimension of the fastening profile may be at least ten times its width dimension and / or its height dimension.

[0007] Such a fastening profile for elements in the car body of a rail vehicle allows components to be attached to the car body of a rail vehicle steplessly, flexibly and easily.

[0008] The mounting profile can be made of steel. The mounting profile can also be made of aluminum. It is possible for the mounting profile to be an extruded profile. The grooves do not need to have exactly the same orientation. Same orientation means that the grooves open in essentially the same direction. It is not necessary for the grooves to have an identical cross-section or to be oriented in exactly opposite directions. A cross-section oriented along the width axis means that both the cross-section and the width axis are perpendicular to the longitudinal axis. The mounting profile may include additional grooves. The mounting profile may be made of stainless steel. It is also possible for the mounting profile to be made of another metal or metal alloy.The mounting profile may be made of aluminum. The first, second, and / or third grooves may have a substantially rectangular cross-section. It is also possible for the first, second, and / or third grooves to have a square cross-section. At least two grooves selected from the first, second, and third grooves may have an identical cross-section. It is also possible for the first, second, and third grooves to be identical. The mounting profile may include a cavity in its cross-section. This ensures that the mounting profile is lightweight yet stable. The opening of each groove is preferably smaller in cross-section than the depth of the respective groove.

[0009] It is possible that the first groove and / or the second groove and / or the third groove in the cross-section have a height along the vertical axis and a width along the horizontal axis, where the height is greater than the width. It is possible that the height is at least 1.5 times the width. It is possible that the height is at least 2 times the width.

[0010] In grooves which are designed in this way, an inner wall part or an attachment part can be advantageously inserted and fastened.

[0011] It is possible that at least one inner wall of the first and / or the second and / or the third groove is at least partially ribbed. It is possible that the first inner wall of a groove is longer than the second inner wall of the same groove.

[0012] Grooves designed in this way simplify the insertion and fixing of an inner wall part or an attachment part.

[0013] It is also possible that, regardless of whether one of the grooves is ribbed, the first inner wall of a groove is longer than a second inner wall of the same groove. Ribbed means that ribs are formed on the inner wall of a groove. Ribs can be formed by providing projections or indentations on the inner wall. The ribs can be formed on part of the inner wall or on the entire inner wall. The ribs can have a semicircular, rectangular, or square cross-section. It is also possible that the ribs have barbs. In this case, an interior wall cladding or an attachment can be inserted into the grooves and then remains in this position. This simplifies installation.

[0014] It is possible that the first groove and / or the second groove and / or the third groove has a narrowing in its cross-section.

[0015] This narrowing allows an interior wall panel or attachment to be inserted into a groove and held securely in the mounting profile. Once the interior wall panel or attachment is mechanically secured in the groove, it can be further fixed and secured using additional elements, such as screws.

[0016] It is possible that the profile mounting area includes a mechanical connecting element that can engage with a car body mounting element. The mechanical connecting element can be an engagement tab.

[0017] Such a mechanical connecting element or engagement tab makes it advantageous to position and fasten the fastening profile in a car body.

[0018] The access tab can be open towards the floor of the car body in a user position. The access tab can have a rectangular or square cross-section.

[0019] The profile mounting area can include at least one profile mounting surface. The profile mounting surface can be designed as a stop surface and / or as an adhesive surface.

[0020] This type of profile mounting surface allows the mounting profile to be precisely positioned in a car body and quickly and conveniently attached using adhesive.

[0021] It is possible that the mounting profile has adhesive on its adhesive surface. In this case, the mounting profile can be easily and quickly positioned and secured within the car body using the adhesive. It is also possible that the mounting profile can subsequently be further secured with additional fasteners such as rivets and / or screws. This allows for quick, convenient, and precise temporary positioning of the mounting profile within the car body, after which it can be permanently attached to the car body using these additional fasteners.

[0022] It is possible that the profile mounting area is part of the car body. The mounting profile may be formed integrally with the car body.

[0023] This design of the mounting profile ensures a particularly stable connection with the car body. This simplifies manufacturing and ensures that the mounting profile is reliably and stably integrated into the car body as an integral part of it.

[0024] When a component is described as "one-piece," it means that the component consists of a single piece of material and has no connections made of screws, rivets, or the like. A one-piece connection can be created, for example, by welding. However, a one-piece connection cannot be disassembled non-destructively.

[0025] It is possible that the car body is manufactured and then the mounting profile is welded to it as a single unit. In this case, the mounting profile is then integrally bonded to the car body after the welding process. Alternatively, the mounting profile can be extruded and integrally bonded to a section of the car body. In this case, the entire component is formed or cast in a single manufacturing process, without the need to assemble multiple individual parts.

[0026] The invention is further solved by a car body for a rail vehicle with a mounting profile as described above. The car body comprises a car body mounting element. The car body mounting element can be engaged with a profile mounting area of ​​a mounting profile in such a way that the mounting profile is fixed to the car body.

[0027] A mounting profile can be easily and quickly installed in such a car body.

[0028] It is possible for the car body mounting element to extend over at least 60% of the car body length. It is also possible for the car body mounting element to extend over at least 80% of the car body length. The car body length is defined along the longitudinal axis of the car body. The longitudinal axis of the car body is defined along the direction of its maximum extension. It is also possible for the profile to be arranged transversely to the longitudinal axis of the car body on a transverse wall.

[0029] It is possible that the car body includes a mounting profile. The mounting profile is attached to or part of the inner wall of the car body. In a vehicle's operating position, the mounting profile is positioned vertically between the fastening profile and the car body floor. The mounting profile may be designed as a C-profile.

[0030] By designing such a mounting profile, an attachment can be advantageously fastened in the car body.

[0031] The operating position of a car body is the position in which the car body is designed when it is placed on a rail in a rail vehicle and ready for use. It is possible that the C-profile is oriented towards the interior of the car body. This means that the C-profile is open towards the interior of the car body. The C-profile can be formed integrally with the inner wall of the car body.

[0032] It is possible that the C-profile is connected to the inner wall of the car body by screws and / or rivets and / or welding.

[0033] It is possible for an attachment to be inserted into the mounting profile and the third groove. The attachment can essentially be positioned between the mounting profile and the fastening profile.

[0034] With such an arrangement, an attachment can be easily inserted into the third groove in a car body and then attached to the mounting profile, thus allowing it to be mounted and fixed simply and securely.

[0035] It is possible that the attachment has a clamping device which is at least partially formed in the opening of the third groove, whereby the attachment is clamped to the mounting profile by the clamping device. The clamping device may include a screw.

[0036] This type of clamping device allows the attachment to be initially clamped in place during assembly. A technician can then secure the attachment with additional fasteners without having to hold it manually. This arrangement thus enables more efficient, labor-efficient assembly of the attachment.

[0037] For example, the clamping device of the attachment can be inserted into the third groove of the mounting profile, thus clamping the attachment to the mounting profile. The attachment is then held in place by the clamping device on the mounting profile. The attachment can then be positioned on the mounting profile. Finally, the attachment can be connected to the mounting profile, for example, with screws. The attachment is then simply and securely fastened in the car body.

[0038] It is possible that the clamping device incorporates an insulating material, with the contact between the clamping device and the mounting profile occurring primarily via this insulating material. It is also possible that the contact between the clamping device and the mounting profile occurs exclusively via the insulating material.

[0039] The use of insulating material ensures that the attachment is at least partially decoupled from the car body and that vibrations and / or noise, as well as cold or heat, are not transmitted from the car body to the attachment or from the attachment to the car body, or only to a weakened extent.

[0040] It is possible that the mounting profile is arranged on the car body wall and that at least one damping element is formed between the mounting profile and the car body wall.

[0041] Such a damping element allows the mounting profile to be precisely positioned on the car body wall, and the mounting profile is at least partially decoupled from the car body wall by the damping element, so that thermal energy and / or vibrations are only transmitted in a damped manner from the car body wall to the mounting profile or from the mounting profile to the car body wall.

[0042] It is possible for the mounting profile to extend along the longitudinal axis of the car body over an area of ​​at least 50% of the car body's length. It is also possible for the mounting profile to extend along the longitudinal axis of the car body over an area of ​​at least 60% or at least 70% of the car body's length.

[0043] Such an arrangement ensures that attachments can be flexibly arranged and fixed in as large a part of the car body as possible.

[0044] It is possible that the first groove is oriented upwards in a usage position of the car body.

[0045] This positioning ensures that the first groove faces upwards and the second and third grooves face downwards. This positioning allows for the advantageous arrangement of interior wall components and attachments within the car body.

[0046] The invention is also solved by a rail vehicle with a car body as described above.

[0047] A rail vehicle with a car body as described above has essentially the same advantages as a car body as described above.

[0048] The object of the invention is further achieved by a method for attaching a component to a car body. The method comprises the following steps: Arranging a mounting profile, in particular a mounting profile as described above, with a first, a second and a third groove on a car body of a rail vehicle; Optionally, arranging a support profile in the car body, wherein the support profile is preferably arranged at a lower level than the mounting profile and in particular is arranged parallel to and spaced apart from the mounting profile; Inserting the attachment into the third groove of the mounting profile, wherein the attachment is in particular clamped to the mounting profile by means of a clamping device; Connecting the attachment to the car body and in particular to the support profile, wherein the attachment is in particular screwed to the support profile; Optionally, inserting a first inner wall section into the first groove and attaching the first inner wall section to the car body; Optionally,Insert a second inner wall section into the second groove and attach the second inner wall section to the car body.

[0049] This method allows a component to be installed efficiently, safely, and stably within a car body. Therefore, this method offers essentially the same advantages as a rail vehicle and a car body as previously described.

[0050] It is possible that the mounting profile is screwed and / or glued and / or welded and / or riveted to the car body.

[0051] The aforementioned fastening methods are proven methods with which a fastening profile can be securely and stably connected to a car body.

[0052] It is possible that the fastening profile includes a profile fastening area with an engagement tab and the car body includes a car body fastening element, and first the engagement tab is brought into engagement with the car body fastening element, and then the fastening profile is attached to the car body.

[0053] Such a process step has essentially the same advantages as a fastening profile with an engagement tab and a car body with a car body fastening element as described above.

[0054] It is possible that the first groove and / or the second groove and / or the third groove has a narrowing and that the first inner wall part and / or the second inner wall part and / or the attachment is pre-stressed when inserted into the respective groove.

[0055] Such a process step enables simple, personnel-efficient and safe assembly of an attachment.

[0056] Preload means that an attachment or inner wall component is at least partially deformed and / or compressed when inserted into the respective groove. This deformation and / or compression creates a holding force. This holding force keeps the attachment or inner wall component in the corresponding positions, thus simplifying further assembly.

[0057] It is possible that the clamping device is clamped to the mounting profile using at least one screw.

[0058] Clamping the clamping device with a screw is a simple, cost-effective and safe method to create the clamping connection between the mounting profile and the car body using the clamping device, and the attachment can initially be clamped in place with the clamping device, thus simplifying further assembly.

[0059] The invention is explained in more detail in the following figures. They show: Figure 1: A cross-section of a fastening profile, Figure 2: A fastening profile and a mounting profile, Figure 3: A fastening profile and a mounting profile in a car body, Figure 4: A fastening profile screwed into a car body, Figure 5: A fastening profile welded into a car body, Figure 6: A fastening profile glued into a car body, Figure 7: A fastening profile integrally connected to a car body, Figure 8: A fastening profile in a car body with an attachment, Figure 9: A fastening profile and a mounting profile in a car body with an attachment.

[0060] The Figure 1 Figure 1 shows a cross-section of a mounting profile 1. The mounting profile has a longitudinal axis 3, a width axis 4, and a height axis 5. In the Figure 1The mounting profile 1 is shown in cross-section. The width axis 4 and the height axis 5 lie in the plane of the drawing. The longitudinal axis 3 is perpendicular to the plane of the drawing and thus virtually intersects it. The mounting profile 1 has a mounting profile area 6 and an element mounting area 7. The element mounting area 7 has a first groove 8, a second groove 9, and a third groove 10. The first groove 8 has a height 11 and a width 12. The second groove 9 has a height 13 and a width 14. The third groove 10 has a height 15 and a width 16. The width 12 of the first groove 8 is 5 mm. The height 11 of the first groove 8 is 10 mm. The height 13 of the second groove 9 is 10 mm. The width 14 of the second groove 9 is 6 mm. The height 15 of the third groove 10 is 15 mm. The width 16 of the third groove 10 is 6 mm. The first groove 8 has an opening 17. The second groove 9 has an opening 18.The third groove 10 has an opening 19. The openings 18, 19 of the second groove 9 and the third groove 10 are oriented opposite the opening 17 of the first groove 8. The first groove 8 has an inner wall 20. The second groove 9 has an inner wall 21. The third groove 10 has an inner wall 22. The first groove 8 and the second groove 9 each have a constriction 23. The profile fastening area 6 has a profile fastening surface 27. The profile fastening area 6 has an engagement tab 24. The profile height 36 is 78 mm. The profile width 38 is 41 mm. The diameter 39 is 7 mm. The diameter 40 is 28 mm. The second groove 9 is located closer to the profile fastening area 6 than the first groove 8 and the third groove 10. The fastening profile 1 has a cavity 43.

[0061] The Figure 2Figure 1 shows a mounting profile 1 and a support profile 29 in a car body 2. The mounting profile 1 is analogous to the mounting profile 1 from the Figure 1The same reference numerals denote the same components. The mounting profile 29 is part of the car body 2 and is integrally connected to it. The fastening profile 1 is connected to the car body by a screw 33. The screw 33 penetrates the fastening profile 1 and the damping element 35. The damping element 35 is formed between the fastening profile 1 and the car body 2 and thus dampens the fastening profile 1. The profile fastening area 6 has an engagement tab 24. The engagement tab 24 engages with a car body fastening element 44 of the car body 2. The car body fastening element 44 is designed as a cantilever. The fastening profile 1 was slid under the car body fastening element 44 and then fixed to the inner wall 31 of the car body 2 by means of the screw 13.

[0062] The Figure 3Figure 1 shows a mounting profile 1 and a support profile 29 in a car body 2 with an attachment 26. The mounting profile 1 and the support profile 29 are analogous to the Figure 2 trained. The same reference symbols denote the same components. Unlike in the Figure 2 An attachment 26 is mounted on the mounting profile 1. The attachment 26 includes a clamping device 32. The clamping device 32 includes a screw 33. The clamping device 32 is inserted into the opening 19 of the third groove. The clamping device 32 is clamped by the screw 33 and thus clamped to the mounting profile 1 by the clamping action of the screw 33.

[0063] The Figure 4 Figure 1 shows a mounting profile 1, which is connected to a car body 2 by screws 33. The mounting profile 1 is analogous to the mounting profile from the Figure 1 and 3 trained. Unlike in the Figures 1 to 3Is the mounting profile 1 in the Figure 4 The mounting profile 1 is connected to the car body 2 by two screws 33. Damping elements 35 are arranged between the mounting profile 1 and the car body 2. The damping elements 35 thus dampen the mounting profile 1 and at least partially decouple the mounting profile 2 and the car body 2, thereby hindering the transmission of vibrations, heat, or cold.

[0064] The Figure 5 Figure 1 shows a mounting profile 1 which is integrally connected to a car body 2 by welds 28. The mounting profile 1 is analogous to the Figures 1 to 4 trained. The same reference symbols denote the same component. Unlike in the Figures 1 to 4 The mounting profile 1 is connected to the car body 2 by means of the welds 28. The welds 28 create a one-piece connection between the mounting profile 1 and the car body 2.

[0065] The Figure 6Figure 1 shows a mounting profile 1 which is connected to a car body 2 by means of adhesive 41. The mounting profile 1 is analogous to the Figures 1 to 5 The mounting profile 1 is connected to the car body 2 by means of adhesive 41. The adhesive 41 is located between the profile mounting surface 27 and the car body 2. Due to the placement of the adhesive 41 between the mounting profile 1 and the car body 2, there is no metallic connection between the mounting profile 1 and the car body 2. The placement of the adhesive 41 between the mounting profile 1 and the car body 2 thus at least partially decouples the mounting profile from the car body 2. Therefore, vibrations, noise, and / or temperature differences are only transmitted to the mounting profile 1 or vice versa to a very limited extent.

[0066] The Figure 7shows a mounting profile 1 analogous to the Figures 1 to 6 The mounting profile 1 is analogous to the Figures 1 to 6 trained. The same reference symbols denote the same components. Unlike in the Figures 1 to 6 The mounting profile 1 is formed integrally with the car body 2. The car body 2 has an inner wall 31. The mounting profile 1 has milled recesses 42. These recesses 42 provide better insulation for the mounting profile 1 against heat and cold, and the removed material prevents heat and cold from being transferred from the car body 2 to the mounting profile 1.

[0067] The Figure 8 shows a car body 2 with a mounting profile 1 and an attachment 26. The mounting profile is analogous to the Figures 1 to 7The same reference numerals denote the same components. The inner wall sections 25 are arranged in the first groove 8 and in the third groove 10. The attachment part 26 is arranged in the second groove 9. The fastening profile 1 is attached to the car body 2 by means of the screw 33. In addition, the engagement lug 24 of the fastening profile 1 engages with the car body fastening element 44 of the car body 2, which is designed as a cantilever.

[0068] The Figure 9 Figure 1 shows a car body 2 with a mounting profile 1 and a support profile 29. The support profile 29 is formed between the mounting profile 1 and the car body floor 30. The attachment 26 is connected to the mounting profile 1 and to the support profile 29. The support profile 29 and the mounting profile 1 are each connected to the inner wall 31 of the car body.

Claims

1. Fastening profile (1) for elements in a car body (2) of a rail vehicle, wherein the fastening profile (1) has a longitudinal axis (3), a lateral axis (4) and a vertical axis (5) and the extent of the fastening profile (1) along the longitudinal axis (3) is at least five times and in particular at least ten times the extent along the lateral axis (4) and / or the extent along the vertical axis (5), wherein the fastening profile (1) has a cross-section in the direction of the lateral axis (4), wherein the fastening profile (1) has in cross-section a profile fastening area (6) and an element fastening area (7), wherein the element fastening area (7) has at least a first groove (8), in particular for receiving an inner wall part (25), a second groove (9), in particular for receiving an inner wall part (25), and a third groove (10), in particular for receiving an attachment part (26), characterized by the fact thatan opening (18) of the second groove (9) and an opening (19) of the third groove (10) in the cross-section of the fastening profile (1) have substantially the same orientation and the first groove (8) has an opening (17) which is oriented in cross-section opposite to the opening (18) of the second groove (9) and the opening (19) of the third groove (10), wherein in particular the second groove (9) is arranged closer to the profile fastening area (6) than the first groove (8) and the third groove (10).

2. Fastening profile (1) according to claim 1, characterized by the fact that the first groove (8) and / or the second groove (9) and / or the third groove (10) has in cross-section a height (11, 13, 15) along the height axis (5) and a width (12, 14, 16) along the width axis (4), wherein the height (11, 13, 15) is greater and in particular is at least 1.5 times, preferably at least 2 times, as large as the width (12, 14, 16).

3. Fastening profile (1) according to one of the preceding claims, characterized by the fact that the first groove (8) and / or the second groove (9) and / or the third groove (10) has a narrowing (23) in its cross-section.

4. Fastening profile (1) according to one of the preceding claims, characterized by the fact that the profile fastening area (6) comprises a mechanical connecting element, in particular an engagement tab (24), which can be engaged with a car body fastening element (44) of a car body (2).

5. Fastening profile (1) according to one of the preceding claims, characterized by the fact that the profile fastening area (6) is part of the car body (2), wherein the fastening profile (1) is preferably formed integrally with the car body (2).

6. Car body (2) for a rail vehicle with a mounting profile (1) according to one of the preceding claims, characterized by the fact thatthe car body (2) comprises a car body fastening element (44) which can be engaged with a profile fastening area (6) of a fastening profile (1) in such a way that the fastening profile (1) is fixed to the car body (2).

7. Car body (2) according to claim 6, characterized by the fact that the car body (2) comprises a mounting profile (29) which is attached to or belongs to the car body inner wall (31), wherein the mounting profile (29) is in particular designed as a C-profile, wherein the mounting profile (29) is arranged in a vertical direction in a usage position of the car body (2) between the fastening profile (1) and the car body floor (30).

8. Car body (2) according to claim 7, characterized by the fact thatan attachment part (26) is inserted into the mounting profile (29) and the third groove (10), wherein the attachment part (26) is essentially arranged between the mounting profile (29) and the fastening profile (1).

9. Car body (2) according to claim 8, characterized by the fact that the attachment part (26) has a clamping device (32) which is at least partially formed in the opening (19) of the third groove (10), wherein the attachment part (26) is clamped to the mounting profile (1) by the clamping device (32) and the clamping device (32) in particular comprises a screw (33).

10. Car body (2) according to claim 9, characterized by the fact that the clamping device (32) has an insulating material (34), wherein the contact between the clamping device (32) and the mounting profile (1) is essentially, preferably exclusively, made via the insulating material (34).

11. Car body (2) according to one of claims 6 to 10, characterized by the fact thatthe fastening profile (1) is formed in a longitudinal direction of the car body (2) over an extent of at least 50 percent, preferably at least 60 percent, in particular at least 70 percent of the extent of the car body (2).

12. Rail vehicle with a car body (2) according to one of claims 6 to 11.

13. Method for attaching a component (26) to a car body (2), comprising the steps of: - Arranging a mounting profile (1), in particular a mounting profile (1) according to any one of claims 1 to 5, having a first groove (8), a second groove (9) and a third groove (10) on a car body (2) of a rail vehicle, - Optionally, arranging a support profile (29) in the car body (2), wherein the support profile (29) is preferably arranged at a lower level than the mounting profile (1) and in particular is arranged parallel to and spaced apart from the mounting profile (1), - Inserting the component (26) into the third groove (10) of the mounting profile (1), wherein the component (26) is clamped to the mounting profile (1) in particular by a clamping device (32), - Connecting the component (26) to the car body (2) and in particular to the support profile (29),wherein the attachment part (26) is screwed in particular to the mounting profile (29), - Optionally, inserting a first inner wall part (25) into the first groove (8) and attaching the first inner wall part (25) to the car body (2), - Optionally, inserting a second inner wall part (25) into the second groove (9) and attaching the second inner wall part (25) to the car body (2).

14. Method according to claim 13, characterized by the fact that the fastening profile (2) comprises a profile fastening area (6) with an engagement tab (24) and the car body (2) comprises a car body fastening element (44) and first the engagement tab (24) is brought into engagement with the car body fastening element (44) and the fastening profile (1) is then attached to the car body (2).

15. Method according to one of claims 13 to 14, characterized by the fact thatthe first groove (8) and / or the second groove (9) and / or the third groove (10) has a narrowing (23) and the first inner wall part (25) and / or the second inner wall part (25) and / or the attachment part (26) is pre-tensioned when inserted into the respective groove (8, 9, 10).

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