EP3778335B1 - Schienenfahrzeug mit dach - Google Patents

Schienenfahrzeug mit dach Download PDF

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Publication number
EP3778335B1
EP3778335B1 EP20184508.8A EP20184508A EP3778335B1 EP 3778335 B1 EP3778335 B1 EP 3778335B1 EP 20184508 A EP20184508 A EP 20184508A EP 3778335 B1 EP3778335 B1 EP 3778335B1
Authority
EP
European Patent Office
Prior art keywords
profile
material thickness
slope
valleys
roof
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.)
Active
Application number
EP20184508.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3778335A1 (de
Inventor
Marcus Worsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility GmbH
Original Assignee
Siemens Mobility GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Priority to RS20220552A priority Critical patent/RS63322B1/sr
Publication of EP3778335A1 publication Critical patent/EP3778335A1/de
Application granted granted Critical
Publication of EP3778335B1 publication Critical patent/EP3778335B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D17/00—Construction details of vehicle bodies
    • B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
    • B61D17/12—Roofs

Definitions

  • the invention relates to a rail vehicle with a roof.
  • Roofs of rail vehicles, especially in local passenger transport, such as trams, subways, etc., are made from sheet metal, among other things.
  • profiled sheets are usually used to construct such roofs.
  • Profile sheets are folded sheets and consist of several alternating profile valleys and profile mountains, which are connected to each other with bevels.
  • the profile mountains are also referred to as webs or high beads, the profile valleys as depressions, low beads or beads, which is why these profile sheets are also called beaded sheets.
  • the profile or corrugated sheets usually used as roof constructions at present have a constant wall and thus material thickness, also due to the production process.
  • weight saving is an important factor in the development of rail vehicles or parts thereof.
  • the area moment of inertia which determines the bending, buckling and compressive strength of profile sheets, is essentially influenced by material accumulation on the profile crests and valleys, which are dimensioning for and therefore decisive Influence on the material thickness of the corrugated plates is or has. Therefore, the material thickness provided for the profile peaks and valleys in the area of the slopes is not required to the same extent, so that the material thickness in the area of the slopes can be correspondingly less than the material thickness in the area of the profile peaks and valleys.
  • the document DE 12 02 815 B describes a rail vehicle with a roof, the roof being a profile sheet with a plurality of profile valleys and profile crests that follow one another in alternation, the profile valleys and profile crests that follow one another in alternation being connected to one another by at least one bevel.
  • the invention is based on the object of specifying a rail vehicle with a roof that is lighter and less expensive.
  • the roof of a rail vehicle wherein the roof is a profile sheet with several profile valleys and profile crests that follow one another in alternation, and wherein the profile valleys and profile crests that follow one another in alternation are each connected to one another with at least one bevel, is designed according to the invention in such a way that at least one part is at least a slope between a first and a second profile valley or a first and a second profile crest has a smaller material thickness d than the material thickness D of the profile valleys or profile crests respectively connected to the slope.
  • the solution according to the invention has the advantage that by reducing the material thickness in the area of the slopes, correspondingly less material is required for the production of the profile sheet and the roof of the rail vehicle is thus significantly lighter and can therefore also be produced more cost-effectively, while at the same time the bending, buckling - and compressive rigidity of the profile sheet and thus of the roof is not or only slightly affected.
  • all slopes of the profile sheet have a smaller material thickness d than the material thickness D of the profile valleys or profile peaks connected to the slopes.
  • the material thickness in the transition areas between the slope and the connected profile valley increases continuously from the material thickness d of the slope to the material thickness D of the profile valley. This avoids hard transitions, i.e. jumps in the material thickness between the slope and the connected profile valley, which minimizes the risk of possible fractures under load at these points and thus the maintenance intensity is not negatively influenced.
  • the material thickness in the transition areas between the slope and the connected profile peak increases continuously from the material thickness d of the slope to the material thickness D of the profile peak. This avoids hard transitions, i.e. jumps in the material thickness between the slope and the connected profile mountain, which minimizes the risk of possible fractures under load at these points as well.
  • the maintenance activities are not negatively influenced by this either.
  • the profile sheet is particularly preferably designed as a trapezoidal sheet.
  • a trapezoidal sheet has a trapezoidal cross-section and is very variable with regard to the corresponding dimensions, e.g. lengths of the high and low beads, slopes, angles between low beads and slopes, material thickness, etc., and is also easy and inexpensive to produce and is therefore particularly good for the construction or production of a roof of a rail vehicle, in particular in local passenger transport, for example for trams, subways, etc., suitable.
  • a roof of a rail vehicle is designed as a profile sheet with alternating profile crests and profile valleys, which are each connected to one another with slopes, the slopes, or at least part of the slopes, according to the invention having a lower material thickness than the profile crests and/or profile valleys.
  • the material thickness increases continuously from the material thickness of the slope to the material thickness of the corresponding profile peak and/or profile valley.
  • the profile sheet (1) designed here as a trapezoidal sheet, consists of several profile valleys (2) and profile crests (3) that follow one another in alternation, the profile valleys (2) and profile crests (3) that follow one another in alternation each having bevels (4) with one another are connected.
  • the profile valleys (2) and profile peaks (3) have a material thickness of thickness D and the slopes (4) have a lower material thickness of thickness d in comparison.
  • the material thickness d in the area of the slopes (4th ) is significantly reduced compared to the material thickness D in the area of the profile valleys (2) and profile mountains (3), which reduces both the overall weight and the manufacturing costs of the roof.
  • the reduction to the material thickness d in the area of the slopes (4) compared to the material thickness D in the area of the profile valleys (2) and profile mountains (3) is variable and adjustable and can be adjusted accordingly as required. A weight saving of up to 20% of the total weight of the roof is possible.
  • FIG. 2 shows an enlarged detail of the cross section of a profile sheet (1) according to the invention.
  • In 2 is, starting from a profile valley (2) with the material thickness D, the course of a cross section of a profile sheet (1) according to the invention over a slope (4) with material thickness d, a profile crest (3) with material thickness D, slope (4) with material thickness d, profile valley (2) with material thickness D and again via a slope (4) with material thickness d to a profile mountain (3) with material thickness D, etc., shown as an example.
  • transitional areas (5) are shown between profile peak (3) and slope (4), slope (4) and profile valley (2), profile valley (2) and slope (4) and slope (4) and profile peak (3), in which the material thickness changes continuously.
  • this changes from the material thickness D of the profile peak (3) to the material thickness d of the slope (4) to the material thickness D of the profile valley (2) to the material thickness d of the slope (4) to the material thickness D of the profile peak (3), etc
  • hard transitions i.e. jumps in the material thickness, between the slopes (4) and the respective connected profile crests (3) or profile valleys (2) are avoided, which minimizes the risk of possible fractures under load at these points.
  • the length of the transition areas (5) is not fixed to a specific length, but can be variably set/adapted to the desired length as required.
  • the transition areas (5) are preferably selected to be as small as possible, so that, conversely, the largest possible part of the respective slope (4), ideally the entire length of the slope (4), which has material thickness d.
  • the transition areas (5) can also extend to a certain extent into the actual area of the profile valleys (2) or profile peaks (3), so that the profile peaks (3) and valleys (2) also contribute to a certain extent to the weight reduction . This is partly due to manufacturing technology, but can also be deliberately extended within certain limits in order to reduce the weight even further. The vast majority of the weight reduction comes from the material reduction in the area of the slopes (4).
  • FIG. 3 shows a rail vehicle (10) with a roof (15) according to the invention.
  • the roof (15) which is made from the sheet metal profile according to the invention, can also be adapted to existing, necessary structures of a rail vehicle (10) at any time without any problems, represented here by a pantograph (20) as an example.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP20184508.8A 2019-08-14 2020-07-07 Schienenfahrzeug mit dach Active EP3778335B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20220552A RS63322B1 (sr) 2019-08-14 2020-07-07 Vozilo na šinama sa krovom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019212216.7A DE102019212216A1 (de) 2019-08-14 2019-08-14 Schienenfahrzeug mit Dach

Publications (2)

Publication Number Publication Date
EP3778335A1 EP3778335A1 (de) 2021-02-17
EP3778335B1 true EP3778335B1 (de) 2022-04-06

Family

ID=71523065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20184508.8A Active EP3778335B1 (de) 2019-08-14 2020-07-07 Schienenfahrzeug mit dach

Country Status (5)

Country Link
EP (1) EP3778335B1 (pl)
DE (1) DE102019212216A1 (pl)
ES (1) ES2917778T3 (pl)
PL (1) PL3778335T3 (pl)
RS (1) RS63322B1 (pl)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL262499A (pl) * 1960-03-25
US3224205A (en) * 1962-08-29 1965-12-21 Johns Manville Asbestos-cement structural sheet
US3823518A (en) * 1973-01-05 1974-07-16 Stanray Corp Reinforced fiberglass plastic roof for box cars
US4076166A (en) * 1975-10-02 1978-02-28 Fmc Corporation Roof for railway car and method of making same
US4317350A (en) * 1978-11-20 1982-03-02 E. W. Sivachenko Corrugated plate having variable material thickness and method for making same
JP3459205B2 (ja) * 1999-09-06 2003-10-20 株式会社日立製作所 構造体およびその製作方法
CA2384043C (en) * 2002-04-30 2012-06-19 National Steel Car Limited Auto rack rail car with end closure
JP2008056216A (ja) * 2006-09-07 2008-03-13 Hitachi Ltd 軌条車両
CN201494454U (zh) * 2009-09-08 2010-06-02 青岛四方庞巴迪铁路运输设备有限公司 轨道车辆车体外顶板
DE102012223813A1 (de) * 2012-12-19 2014-06-26 Siemens Aktiengesellschaft Dach eines Schienenfahrzeugs

Also Published As

Publication number Publication date
RS63322B1 (sr) 2022-07-29
ES2917778T3 (es) 2022-07-11
DE102019212216A1 (de) 2021-02-18
EP3778335A1 (de) 2021-02-17
PL3778335T3 (pl) 2022-07-18

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