Abstract
An energy dissipation device for a rail vehicle, includes a baffle plate that is configured to absorb and transfer impacting collision forces, a rear plate that is configured to fasten the energy dissipation device to a vehicle structure and at least two buckling plates arranged between the baffle plate and the rear plate, where the at least two buckling plates are provided with a pre-deformation in the direction of a desired deformation direction, and the at least two buckling plates are connected to one another by pull-push structure.
Claims
1.-6. (canceled)
7. An energy absorbing device for a rail vehicle, comprising: an impact plate which is configured to absorb and transfer applied collision forces; a back plate configured to fasten the energy absorbing device to a vehicle structure; and at least two buckle plates arranged between the impact plate and the back plate; wherein the at least two buckle plates include a preliminary deformation in a desired deformation direction; and wherein the at least two buckle plates are interconnected via a tension/compression structure.
8. The energy absorbing device as claimed in claim 7, wherein the at least two buckle plates are arranged vertically in an installed position of the energy absorbing device and the desired deformation directions of the at least two buckle plates point in the same direction.
9. The energy absorbing device as claimed in claim 7, wherein the tension/compression structure comprises a synchronization plate formed.
10. The energy absorbing device as claimed in claim 8, wherein the tension/compression structure comprises a synchronization plate formed.
11. The energy absorbing device as claimed in claim 7, further comprising: at least one energy absorbing element arranged between the back plate and the impact plate, at least one energy absorbing element being guided through an aperture in the tension/compression structure.
12. The energy absorbing device as claimed in claim 8, further comprising: at least one energy absorbing element arranged between the back plate and the impact plate, at least one energy absorbing element being guided through an aperture in the tension/compression structure.
13. The energy absorbing device as claimed in claim 9, further comprising: at least one energy absorbing element arranged between the back plate and the impact plate, at least one energy absorbing element being guided through an aperture in the tension/compression structure.
14. The energy absorbing device as claimed in claim 7, further comprising: a front energy absorbing element fastened to the tension/compression means, said front energy absorbing element extending between the tension/compression structure and the impact plate and being spaced apart from the impact plate; and a rear energy absorbing element fastened to the tension/compression structure, said rear energy absorbing element extending between the tension/compression structure and the back plate and being spaced apart from the back plate.
15. The energy absorbing device as claimed in claim 7, further comprising: at least one support plate disposed between the back plate and the impact plate, each of which is connected fixedly to the impact plate and the back plate.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In the drawings, by way of example, in which:
[0017] FIG. 1 shows an energy absorbing device in accordance with the invention;
[0018] FIG. 2 shows the energy absorbing device of FIG. 1 during deformation;
[0019] FIG. 3 shows the energy absorbing device with energy absorbing elements in accordance with the invention;
[0020] FIG. 4 shows an oblique view of the energy absorbing device in accordance with the invention;
[0021] FIG. 5 shows the energy absorbing device of FIG. 1 without an impact plate; and
[0022] FIG. 6 shows the energy absorbing device of FIG. 1 with energy absorbing elements.
DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS
[0023] FIG. 1 shows an energy absorbing device by way of example and schematically. What is illustrated is a view from above of an energy absorbing device 1 in the installed position. Here, the energy absorbing device 1 is mounted via a back plate 4 on a vehicle structure 2 of a rail vehicle. In addition to the back plate 4, the energy absorbing device 1 comprises an impact plate 3, which is arranged on the side facing another party involved in the collision. In the exemplary illustrated embodiment, two buckle plates 5 are arranged between the back plate 4 and the impact plate 3, each of which is welded to the back plate 4 and impact plate 3. The buckle plates 5 have a preliminary deformation formed as a bend, where the bends of both buckle plates 5 point in the same direction. The buckle plates 5 are connected via a tension/compression structure 6. In the exemplary illustrated embodiment, the tension/compression structure 6 is formed as a plate-shaped component (synchronization plate) and is welded to the buckle plates 5 at the point of greatest deformation.
[0024] FIG. 2 shows an exemplary schematic illustration of an energy absorbing device during the deformation. What is illustrated here is the energy absorbing device 1 under the action of another party 7 involved in the collision. Here, the other party 7 involved in the collision strikes the impact plate 3 off-center, which would accordingly lead to this device collapsing on one side in the case of conventional energy absorbing devices. A partially continued deformation is illustrated, in which a part of the energy absorbing device is already exhausted. In this case, the tension/compression structure 6 brings about a symmetrical deformation of the two buckle plates 5 and thus a displacement of the impact plate 3 parallel to the back plate 4. The energy absorbing device 1 shown in FIGS. 1 and 2 has only the buckle plates 5 as energy absorbing components, in the case of which the collision energy is converted into deformation energy. Further energy absorbing components are not included in order to simplify this basic illustration.
[0025] FIG. 3 shows an exemplary schematic illustration of energy absorbing device with energy absorbing elements. What is illustrated here is an energy absorbing device 1, which corresponds substantially to those of FIGS. 1 and 2, but is additionally equipped with a front energy absorbing element 8 and a rear energy absorbing element 9. Here, the energy absorbing elements 8, 9 are arranged on the tension/compression structure 6. A front energy absorbing element 8 extends in the direction of the inner side of the impact plate 3; there is a free space between the front energy absorbing element 8 and this inner side of the impact plate 3. The rear energy absorbing element 9 is similarly spaced apart from the back plate 4. Consequently, in the event of a collision, it is ensured that the tension/compression structure 6 can move freely until the deformation has continued far enough such that the described spacings are closed.
[0026] FIG. 4 shows an exemplary schematic oblique view of an energy absorbing device. What is illustrated here is an energy absorbing device 1 that has a similar construction to those of FIGS. 1 and 2, but additionally comprises a support plate 11. In the exemplary illustrated embodiment, the impact plate 3 is equipped with a horizontal toothed structure as a climbing protection device. The tension/compression structure 6 is concealed by the adjacent components and cannot be seen. A support plate 11 is arranged on the lower boundary of the energy absorbing device 1 and connects the impact plate 3 to the back plate 4.
[0027] FIG. 5 shows an exemplary schematic illustration of an energy absorbing device without an impact plate. What is illustrated here is the energy absorbing device 1 of FIG. 4 with the impact plate 3 removed. Here, the tension/compression structure 6, which is formed as a plate-shaped component (synchronization plate), can be seen. The tension/compression structure 6 extends vertically only over part of the overall height of the energy absorbing device 1; respective top and bottom free regions, in which energy absorbing elements can be arranged, remain. A further support plate 11 on the top boundary of the energy absorbing device 1 is similarly possible, which would enhance the stabilizing effect of the support plate 11.
[0028] FIG. 6 shows an exemplary schematic illustration of an energy absorbing device with energy absorbing elements. What is illustrated here is an oblique view of an energy absorbing device 1 with the impact plate 3 removed. Four energy absorbing elements 10 are arranged on the back plate 4. These energy absorbing elements 10 extend to right in front of the back side of the impact plate 3. The energy absorbing device 1 is furthermore equipped with front 8 and rear 9 energy absorbing elements, which are fastened to the tension/compression structure 6 in the form of a synchronization plate and each of which is spaced apart from the back plate 4 or the impact plate 3.
[0029] Thus, while there have been shown, described and pointed out fundamental novel features of the invention as applied to a preferred embodiment thereof, it will be understood that various omissions and substitutions and changes in the form and details of the devices illustrated, and in their operation, may be made by those skilled in the art without departing from the spirit of the invention. For example, it is expressly intended that all combinations of those elements which perform substantially the same function in substantially the same way to achieve the same results are within the scope of the invention. Moreover, it should be recognized that structures shown and/or described in connection with any disclosed form or embodiment of the invention may be incorporated in any other disclosed or described or suggested form or embodiment as a general matter of design choice. It is the intention, therefore, to be limited only as indicated by the scope of the claims appended hereto.
