EP3966082A1 - Vorrichtung für ein schienenfahrzeug und schienenfahrzeug - Google Patents
Vorrichtung für ein schienenfahrzeug und schienenfahrzeugInfo
- Publication number
- EP3966082A1 EP3966082A1 EP20732772.7A EP20732772A EP3966082A1 EP 3966082 A1 EP3966082 A1 EP 3966082A1 EP 20732772 A EP20732772 A EP 20732772A EP 3966082 A1 EP3966082 A1 EP 3966082A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- energy
- guide recess
- table top
- rail vehicle
- absorbing element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D37/00—Other furniture or furnishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/001—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays
Definitions
- the invention relates to a device for connecting a table to a side wall of a rail vehicle for a seating group arranged transversely to the direction of travel.
- the invention also relates to a rail vehicle with such a device.
- Rail vehicles for the transport of people usually have seating groups of opposite, transversely to the direction of travel arranged seats, between which a permanently installed table is often arranged.
- Such tables must withstand the stresses and strains of the company as well as defined exceptional loads (e.g. vandalism) without damage.
- exceptional loads e.g. vandalism
- the attachment of the table in the rail vehicle should provide a controlled flexibility of the table top and limit the impact forces to avoid or reduce injuries.
- One object of the present invention is to create a device for tying a table to a side wall of a rail vehicle which provides a safe and reliable support structure which, in particular, keeps the risk of injury to passengers low when a rail vehicle is in operation.
- a device for attaching a table to a side wall of a rail vehicle stuff a table top with an upper side and a lower side and a support beam which is arranged on the underside of the table top.
- the support beam is coupled to the table top at a first and a second coupling position.
- the support beam is designed to couple the table top by means of a side wall connection with the side wall of the rail vehicle.
- the first coupling position forms a first fulcrum and the second Kopplungspositi on a second fulcrum around which the table top is relative to the side wall relative to the side wall relative to a state of the device arranged on the side wall.
- the device also has at least one energy absorption mechanism which is coupled to the support beam in the region of the second coupling position.
- the pivot points allow a predetermined rotation of the table top relative to the support beam.
- the energy absorption mechanism also allows a predetermined energy conversion of kinetic energy of the table top on the basis of friction.
- a safe and reliable support structure for the side wall connection of a table for a seating group of a rail vehicle arranged transversely to the direction of travel can be implemented.
- the device made it possible to significantly reduce the risk of injury to passengers during operation, in particular in the event of collisions, with high stability at the same time, without having to accept any loss of comfort.
- the device is designed so that forces or torques acting on the table top are reliably absorbed and safely diverted through a controlled rotation of the table top and energy consumption or energy conversion. A resistance force of the table top, which acts on the passenger or passengers in the event of a collision, can thus be kept low.
- the at least one energy absorption mechanism comprises a guide system with a first guide recess and a first energy absorbing element.
- the first energy-absorbing element is arranged in a guidable manner in the first guide recess.
- the energy-absorbing element is designed, for example, as a pin-shaped bolt, the outer wall of which makes friction contact with the wall of the guide recess. In the event of a collision, depending on the force acting on the table top, the friction is so great that the pin results in plastic deformation of the guide recess.
- a material of the energy-absorbing element and the wall of the guide recess and the geometry of the wall that delimits the guide recess are, for example, predetermined in order to provide a force counteracting the collision force.
- the guide system of the at least one Energyabsorptionsme mechanism comprises a further, second guide recess and a further, second energy absorption element.
- the second energy-consuming element is arranged in a guidable manner in the second guide recess.
- the second guide recess is designed so that when a force acting on the table top in the opposite direction of travel of the rail vehicle occurs, the second energy-absorbing element contacts a wall delimiting the second guide recess and effects a plastic deformation of the wall of the second guide recess on the basis of friction. In this way, the device contributes to a safe force absorption on the tabletop in the direction of travel or against the direction of travel we kenden force.
- the respective guide recess is elongated and has two opposite ends, wherein the guide recess tapers at least in the direction of one of the two ends.
- the guide recess or guide recesses are designed, for example, in the form of elongated holes, which are designed to be narrower towards one end. The narrower end then offers an increasing frictional resistance for the intervening energy consumption element, so that a corresponding material displacement based on friction can absorb or convert more collision energy.
- At least one guide recess has an open end through which the respective energy dissipation element can be coupled out of the guide recess when a force acting on the table top in the direction of travel of the rail vehicle occurs.
- the Energyabsorptionsme mechanism with the guide recess can be designed to be narrow and space-saving, so that less installation space is required and a restriction of the freedom of movement for the legs of passengers is kept low.
- first guide recess tapers to become narrower and forms a predetermined resistance course for the first energy-absorbing element.
- the corresponding guide direction of the first Energyverzehrele element within the first guide recess in the direction of the tapered end is aligned, for example, to a usual direction of travel of the rail vehicle forward.
- the other end of the first guide recess is designed to be open, for example, so that when a passenger hits the table top against the direction of travel, the energy-absorbing element can be decoupled from the.
- a second guide recess is provided which tapers in a direction opposite to the first guide recess. While that When the first energy-absorbing element is decoupled from the first guide recess, the second energy-absorbing element pushes into the tapering second guide recess and decelerates the impact movement of the passenger.
- At least one energy-absorbing element is arranged on the underside of the table top and extends into the associated guide recess which is formed on an upper side of the support beam.
- the guide recess is introduced for example in the top or the top wall of the support beam.
- a guide element is provided between the underside of the table top and the upper side of the support beam, which includes one or more guide recesses which interact with the respective energy consumption elements.
- Such a guide element is designed, for example, as a plate-shaped sheet metal.
- At least one energy-absorbing element is arranged below an underside of the support beam and extends into a guide recess which is formed on the underside of the support beam.
- the guide recess is made, for example, in the underside or the lower wall of the support beam.
- a guide element is provided on the underside of the support beam, which comprises one or more guide recesses which interact with the respective energy consumption elements.
- Such a guide element is designed, for example, as a plate-shaped sheet metal.
- the sheet metal represents a section of a side wall connection.
- the device has, for example, a first and a second energy absorption mechanism in each case according to one of the configurations described above, which each comprise at least one guide recess and an energy consumption element.
- the guide recess and the energy consumption element of the first energy absorption mechanism are in Coordination on the first pivot point are positioned and designed predetermined.
- the guide recess and the energy absorbing element of the second energy absorption mechanism are positioned and designed in coordination with the second pivot point.
- the respective energy absorption mechanism has a plate-shaped sheet metal in which the respective guide recess is introduced and into which the respective energy-absorbing element engages, which is designed as a bolt, for example.
- the plate-shaped sheet metal with the respective guide recess is arranged, for example, on an upper side or a lower side of the support beam and screwed to it.
- a rail vehicle comprises a car body with a side wall and an embodiment of one of the devices described above, which is coupled to the side wall of the car body by means of a side wall connection.
- the device is used in particular to connect a table for a seating group arranged transversely to the direction of travel. Because the rail vehicle comprises an embodiment of the device described above, the properties and features of the device described are also disclosed for the rail vehicle and vice versa.
- a safety system can be implemented in which the table top or its substructure has two defined pivot points, each defining a rotation point in the event of an impact with an aisle-side and / or wall-side passenger of a double seat at the table.
- the movement of the table or the tabletop is always carried out as a clearly defined rotation in the event of a collision with a passenger in one of the two positions.
- the impact positions are determined to a certain extent by the specified Wegpo positions. If two people collide on a common edge of the table top, the addition of the two rotations results in a clearly defined translation.
- the energy consumption or the energy conversion of kinetic energy of the table top into heat and deformation of the corresponding The corresponding guide recess takes place in an element mounted between the table top and the support beam.
- the support beam serves as a support structure for the stability and hold of the table top and also serves as a fastening bracket for connection to the side wall of a car body of a rail vehicle.
- the method of energy consumption is based on the controlled widening of the guide recess due to material displacement.
- an energy-absorbing element is designed as a zylinderförmi ger bolt, which engages in a conical or Operanikför mig delimited groove that forms the guide recess.
- the bolt makes contact with at least a portion of its outer wall from the wall of the groove and displaces material of the wall in the event of a corresponding impact force.
- the device preferably has two energy absorption mechanisms which have guide recesses which are separate from one another.
- the guide recesses are formed, for example, as a respective groove and the associated energy-absorbing elements as a respective bolt and aligned with the two defined points of rotation. In this way, the energy to be dissipated or absorbed in the event of a collision can be set separately according to individual leverage ratios and normative requirements.
- the device enables in particular a pure wall connection of the table, a so-called cantilever design.
- the device has, for example, a table base which is provided to support operational and static vertical forces.
- the movements of the table top according to the device described are predefined in the event of an impact.
- a precise simulation and calculation of the energy dissipation is possible and the distance covered by the table top to comply with the Survival space of the passengers sitting opposite at the table can be determined.
- the methods of energy consumption or energy conversion described by the device allow a simple modification of a spring stiffness of the device, for example by adapting a groove conicity of a guide recess in a plate-shaped sheet metal.
- the groove taper refers to a groove or a recess in the sheet metal plate that tapers conically.
- the device can be adapted to different leverage ratios, for example due to different seat widths, and normative requirements without changing the required installation space.
- the design of energy-consuming elements may be a limiting factor for the size of the overall system and therefore hardly allows any adjustments.
- the arrangement of energy-absorbing elements according to the device described enclosed in an element mounted between the table top and the console or the support beam, such as a plate-shaped sheet metal, allows a console to be used without a particularly large structure in the transverse direction of the vehicle. This increases the amount of knee space available for seated passengers not or only slightly restricted.
- the structure thickness refers to the thickness of the table console along the side wall.
- Figure 1 is a schematic representation of a
- Rail vehicle with a device for attaching a table to a side wall of the rail vehicle
- Figures 2 to 8 show an embodiment of the device for connecting a table to a side wall of the rail vehicle in different views
- FIGS. 9 to 11 show an exemplary embodiment of the device for connecting a table to a side wall of the rail vehicle in various collision cases.
- the device 10 is safe and reliable
- Figure 1 shows a schematic byan view of a rail vehicle 1 with a car body 2 and a ner device 10 for tying a table to a side wall 3 of the car body 2.
- the device 10 has a table top 11 with an upper side 111 and a lower side 112 and a support beam 13 which is arranged on the underside 112 of the table top 11.
- Terms such as “top”, “bottom”, “top”, “bottom”, “direction of travel”, “transverse direction” relate to an alignment of the device 10 with regard to an operationally arranged and ready-to-use state on the side wall 3 of the rail vehicle 1.
- the table top 11 extends essentially in a horizontal plane transversely to the side wall 3 and parallel to a floor of the rail vehicle 1.
- Figures 2 to 8 show an embodiment of the device 10 in different views.
- the support beam 13 is coupled to the table top 11 at a first and a second coupling position.
- the support beam 13 is designed to couple the table top 11 to the side wall 3 of the rail vehicle 1 by means of a sowandan connection 12.
- the first coupling position forms a first pivot point D1 and the second coupling position forms a second pivot point D2, about which the support beam 13 can be rotated relative to the table top 11.
- the device 10 also has two Energyabsorptionsmecha mechanisms 14 and 15 which are coupled to the support beam 13 in the region of the second Kopplungspo position.
- the pivot points Dl and D2 allow a predetermined rotation of the tabletop 11 relative to the occurrence of a force F1 and / or F2 acting on the tabletop 11 in the direction F of the rail vehicle 1 the support beam 13 to.
- there is an energy conversion of kinetic energy of the table top 11 that is predetermined by the energy absorption mechanisms 14 and 15 on the basis of friction.
- Figure 2 shows a side view of the device 10, for example with a view in the direction of travel F.
- the first coupling position is formed on the aisle side and the second coupling position on the wall side according to such an embodiment.
- the first coupling position and the first pivot point D1 are thus assigned to a first aisle-side end 114 of the table top 11.
- the second coupling position and the second pivot point D2 are thus assigned to a second, wall-side end 115 of the table top 11.
- the pivot points Dl and D2 are therefore real pivot points within a horizontal plane parallel to a main direction of extent of the table top 11.
- FIG. 3 shows a top view of the device 10 according to FIG. 2, based on which it can be seen that the pivot points D1 and D2 are arranged or formed at a distance from one another on a longitudinal axis L of the table top 11.
- predetermined seating positions or impact positions of people PI and P2 are shown, which are accelerated as passengers in the event of a collision of the rail vehicle 1 against a table edge of the table top 11.
- the device 10 has the specially designed energy absorption mechanisms 14 and 15. Forces or torques that act on the table top 11 by the passengers PI and / or P2 can be reliably absorbed and safely diverted by a controlled rotation of the table top 11 and energy consumption or energy conversion.
- a resistance force of the table top 11 which acts on the impacting passenger PI and / or P2 in the event of a collision can thereby be kept low.
- the energy absorption mechanisms 14 and 15 each include two guide recesses 143, 144 and 153, 154, in each of which an energy absorption element 141, 142 and 151, 152 engages or extends.
- the guide recesses 143 and 144 and the associated energy-absorbing elements 141 and 142 of the first energy absorption mechanism 14 are predetermined in coordination with the first pivot point Dl. ned and trained.
- the guide recesses 153 and 154 and the associated energy absorbing elements 151 and 152 of the second energy absorption mechanism 15 are positioned in coordination with the second pivot point D2 and are formed from.
- the guide recesses 143, 144 and 153, 154 form the respective guide tracks for the associated energy consumption elements 141, 142 and 151, 152 and extend in an elongated manner depending on the first or second pivot point D1 or D2 along a predetermined circular path section (see FIG 4).
- the guide recesses 143, 144 and 153, 154 are made in the form of elongated holes in a respective plate 148 and 158 of the first and the second energy absorption mechanism 14 and 15, respectively.
- the guide recesses 143 and 144 of the first energy absorption mechanism 14 have a closed and an open end with respect to their longitudinal direction of extension.
- the guide recesses 143, 144 taper in the direction of the closed ends, so that a predetermined resistance profile is established in contact with the energy dissipation element 141, 142.
- the guide recesses 153 and 154 of the second energy absorption mechanism 15 are formed closed on both sides with respect to their elongate direction of extension and taper in both directions starting from a central or normal position.
- FIG. 4 illustrates an operationally ready normal position of the energy consumption elements 141, 142 and 151, 152 in the respective guide recesses 143, 144 and 153, 154.
- the energy absorbing elements 141 and 142 are assigned to the first point of rotation Dl and are only effective in one direction. However, since a crash or a collision can come from both a forward direction and a reverse direction, the energy-absorbing elements 141, 142 are placed on two different guideways 143, 144. The energy- Consumption elements 151 and 152 around the second pivot point D2 are each effective in both directions of a collision.
- Figure 5 shows a section of the table top 11 in the area of the second coupling position in a perspective view.
- the table top 11 is shown as transparent.
- FIG. 6 shows the area outlined in a circle in FIG. 5 in an enlarged sectional view.
- the bolt shown implements the energy absorbing element 142 and is pressed through the sheet metal 148 and positively guided by the guide recess 144.
- a wall 145 of the guide recess 144 is conical or V-shaped and has the narrower end in the direction of the bolt.
- the bolt deforms the wall of the guide recess 144, so that a plastic deformation of the sheet metal 148 occurs due to a specifically predetermined material displacement and kinetic energy of the table top 11 is reduced or converted.
- the functional principle of the energy consumption or the energy conversion of the further energy consumption elements 141, 151 and 152 in cooperation with the walls of the guide recesses 143, 153 and 154 around the
- Pivot points D1 and D2 are designed analogously.
- the bolt or the energy dissipation element 142 is hollow or sleeve-shaped.
- a fastening bolt or a fastening screw engages in the sleeve-shaped energy consumption element 142 and, in cooperation with a washer, fasten the elements shown to one another, so that the elements are prevented from lifting off in an uncontrolled manner.
- FIG. 7 shows the device 10 in a perspective view from below.
- FIG. 8 shows an enlarged representation of the second coupling position according to FIG. 7.
- the second energy absorption mechanism 15 has the sheet metal 158 which forms a guide system with the guide recesses 153 and 154 into which the energy absorption elements 151 and 152 intervene.
- the plate 158 is screwed to an underside 132 of the support beam 13 by means of screws 16 with this ver.
- a centrally located attachment is provided at the position of the second pivot point D2.
- FIGS. 9 to 11 show various collision cases in a respective plan view, in which a first aisle-side person PI and / or a second, wall-side person P2 are accelerated against an edge of the table top 11.
- the first person PI causes a force Fl on the table top 11 in accordance with their mass and inertia, which causes the table top 11 to rotate relative to the side wall 3 about the pivot point D2.
- the support beam 13 is at the first coupling position, which defines the first pivot point Dl, attached to the table top 11, for example screwed, so that the support beam 13 with the table top 11 around the pivot point D2 or around one through the pivot point D2 vertical axis of rotation rotates (see Figure 9).
- the two bolt-shaped energy-absorbing elements 151 and 152 move along the conically delimited guide recesses 153 and 154 in the metal sheet 158, if necessary up to a respective end stop which determines a maximum permissible rotation of the table top 11.
- the second person P2 causes a force F2 on the table top 11 according to their mass and inertia, which causes the table top 11 to rotate relative to the side wall 3 about the pivot point Dl.
- the support beam 13 is pivotably coupled to the table top 11 at the second coupling position, so that the table top 11 rotates relative to the support beam 13 about the pivot point Dl or about a vertical axis of rotation passing through the pivot point Dl (see FIG. 10).
- the two bolt-shaped energy-absorbing elements 141 and 142 move along the conically delimited guide recesses 143 and 144.
- the energy-absorbing element 141 decouples through an open or free end of the guide recess 143 and runs freely.
- FIG. 11 illustrates a collision situation in which two people PI and P2 are accelerated against the table top 11.
- the table top 11 rotates about the first and second pivot points D1 and D2, which are superimposed.
- a translation of the table top 11 in the direction of the acting forces F1 and F2 can then result from the rotary movements.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Passenger Equipment (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019209658.1A DE102019209658A1 (de) | 2019-07-02 | 2019-07-02 | Vorrichtung für ein Schienenfahrzeug und Schienenfahrzeug |
PCT/EP2020/065173 WO2021001103A1 (de) | 2019-07-02 | 2020-06-02 | Vorrichtung für ein schienenfahrzeug und schienenfahrzeug |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3966082A1 true EP3966082A1 (de) | 2022-03-16 |
Family
ID=71094287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20732772.7A Pending EP3966082A1 (de) | 2019-07-02 | 2020-06-02 | Vorrichtung für ein schienenfahrzeug und schienenfahrzeug |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3966082A1 (de) |
CN (1) | CN217672627U (de) |
DE (1) | DE102019209658A1 (de) |
WO (1) | WO2021001103A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3119576B1 (fr) * | 2021-02-05 | 2023-02-10 | Alstom Transp Tech | Equipement de confort pour un véhicule de transport public, comprenant une table en porte-à-faux |
US11718215B2 (en) * | 2021-10-04 | 2023-08-08 | Airworthy, Inc. | Energy absorbing table for vehicles |
AT525871B1 (de) * | 2022-07-07 | 2023-09-15 | Seisenbacher Gmbh | Tisch mit beweglichem Führungselement |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013208362A1 (de) * | 2013-05-07 | 2014-11-13 | Siemens Aktiengesellschaft | Fahrgasttisch |
DE102018117399B3 (de) * | 2018-07-18 | 2019-11-14 | GETA Gesellschaft für Entwicklung, Technik - Anwendung für Holz- und Kunststofferzeugnisse mbH | Stoss-resilient gelagerte tisch-vorrichtung |
-
2019
- 2019-07-02 DE DE102019209658.1A patent/DE102019209658A1/de not_active Withdrawn
-
2020
- 2020-06-02 WO PCT/EP2020/065173 patent/WO2021001103A1/de unknown
- 2020-06-02 EP EP20732772.7A patent/EP3966082A1/de active Pending
- 2020-06-02 CN CN202090000710.3U patent/CN217672627U/zh active Active
Also Published As
Publication number | Publication date |
---|---|
WO2021001103A1 (de) | 2021-01-07 |
DE102019209658A1 (de) | 2021-01-07 |
CN217672627U (zh) | 2022-10-28 |
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