EP1104374B1 - A structural element arranged to form at least a part of a shell of a car body of a railway vehicle - Google Patents
A structural element arranged to form at least a part of a shell of a car body of a railway vehicle Download PDFInfo
- Publication number
- EP1104374B1 EP1104374B1 EP99944963A EP99944963A EP1104374B1 EP 1104374 B1 EP1104374 B1 EP 1104374B1 EP 99944963 A EP99944963 A EP 99944963A EP 99944963 A EP99944963 A EP 99944963A EP 1104374 B1 EP1104374 B1 EP 1104374B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- structural element
- layer
- shell according
- internal
- external
- 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.)
- Expired - Lifetime
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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
- B61D17/08—Sides
-
- 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
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
- B61D17/045—The sub-units being construction modules
-
- 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
- B61D17/18—Internal lining, e.g. insulating
Abstract
Description
- The present invention relates to a shell according to the preamble of
claim 1. - In conventional manufacturing of a side wall of a car body of a railway vehicle, an external metal sheet which is provided on internal beams in order to increase the stiffness of the metal sheet is used. In order to prevent buckles to occur in the sheet, supporting elements are provided which are connected to the sheet by means of welding. Furthermore, a ventilation layer is provided in connection with the sheet and a thermal insulating layer and finally an internal panel. Such a side wall for a car body is expensive and complicated to manufacture and it has a large thickness, which encroaches on the internal volume of the car body. Furthermore, irregularities easily occur in the sheet as a consequence of internal treatment by, for example, welding during the mounting of said supporting elements to the sheet.
- From DE 38 38 686, EP 544 473 and DE 195 33 532 structural elements are known, which are intended to be used for forming shells of a car body of a railway vehicle. The structural elements in these documents comprise, in addition to the initially mentioned three layers, also reinforcement elements in form of through beams or surrounding beams. Such reinforcement elements have the effect that the structural elements obtain a relatively complicated construction, which increases their manufacturing cost. Such reinforcement beams also increase the weight of the structural elements, which makes its handling more difficult.
- DE 296 08 643 U1 shows a structural element which comprises a portion of a side wall, a roof and a floor of a railway vehicle. The structural element comprises external and internal layers formed by a fibre reinforced plastic material. Said external and internal layers are connected to each other along the edges of the structural element, wherein they enclose an intermediate layer. This structural element comprises longitudinal reinforcement beams at the roof and floor portion of the structural element. Such reinforcement beams lead also in this case to a relatively complicated construction of the structural element. Furthermore, it may be difficult to obtain a completely even and smooth external surface in a fibre reinforced plastic material.
- US 5,784,970 refers to a carriage body frame for rail vehicle, which comprises load-bearing sections in the form of roof struts of aluminium and light-weight composite panels, inserted between the load-bearing sections. The light-weight composite panels consist of a core surrounded by aluminium sheets, which are connected to the core by an adhesive. The light-weight composite panels comprise surrounding connecting sections. The object of this structure is to provide a carriage body frame, which has low weight, high rigidity and good long term strength properties. The stiffness of the carriage body frame is mainly (not to say nearly fully) provided by the load-bearing sections, not by the light-weight composite panels, which correspond to the structural element in present application. The purpose of the light-weight composite panels is to reduce the weight of the carriage body frame.
- EP 0 375 621 refers to a tiltable hutch container of a road or rail vehicle. The hutch container consists of a floor plate, wall plates and a roof plate. Each plate comprises a core layer surrounded by sheets of aluminium. The plates may be connected to each other by means of an upper profile and a lower profile. Adhesive connections may be used for connecting the plates to the profiles.
- EP 0 354 436 shows a car body of a railway vehicle, which comprises composite panels. The composite panels, comprise a core and surrounding layers, which may be of aluminium. However, the main structural strength (stiffness) of the carbody are provided by framing profiles, whereas the composite panels mainly are used to fill up the space between the framing profiles.
- The object of the present invention is to provide a shell of the initially mentioned kind, which is inexpensive to manufacture and which has external and internal surfaces of high quality at the same time as it enables a rapid and uncomplicated mounting in the vehicle.
- This object in achieved by a shell as defined in
claim 1. - By such a design, the structural element does not require through beams or surrounding reinforcement beams, wherein the manufacturing of the structural element is considerably simplified. Such a structural element may also be manufactured to a low cost at the same time as it may be made essentially lighter with respect to weight than by prior art technique. Very advantageous is the fact that, the structural element comprises an intermediate layer of a thermal insulating material. Thereby is obtained that no further thermal insulation need to be provided internally in the vehicle. A wall construction may thereby be manufactured essentially thinner than by a conventional construction and encroaches thereby less on the internal volume of the vehicle.
- According to a preferred embodiment of the invention, also the internal layer comprises a metal material. Such a metal material may be steel or aluminium. Preferably, both the external and internal layer comprise sheets of metal which in co-operation with the intermediate layer forms a structural element with such a stiffness that it may constitute a supporting component of a vehicle body. Alternatively only the external layer may comprise a metal material. Thereby, the external layer will be dimensioned so that it will carry the main load of the structural element but it will at the same time be propped and guyed by the remaining layers so that the structural element without problem may be used as a supporting component.
- According to preferred embodiment of the invention, said intermediate layer is substantially thicker than said internal and external layers. In order to provide stability to the external and internal layers, the intermediate layer comprises such a stiff material that it supplies stiffness to said structural element. Such a stiff intermediate layer prevents also in an effective way that buckles and deformations occur in the relatively thin external and internal layers. Consequently, such an intermediate layer has two functions, namely to stiffen the external and internal layers as well as to provide thermal insulation.
- According to the invention, said intermediate layer is fixedly connected to the internal and external layers by means of a binder means in the form of an adhesive arranged to work so that said layers are connected over substantially its entire surface. By connecting said layers to each other over substantially the entire surface it is prevented that a local displacement between the layers occurs under load. Thereby, the structural element will constitute a very stable, stiff unit which distributes applied loads substantially over its whole construction. Said adhesive having good adhesive properties. Hereby, the external and internal layers will obtain a very even and fine surface, which has good strength against buckles and deformations.
- According to preferred embodiment of the invention, the external and internal layers of said structurraf element comprise at least a curved portion. Usually, it is desired that a shell of a vehicle is manufactured with curved portions in order to, for example, decrease the air resistance of the vehicle and to use available loading profile to obtain an aesthetically attractive visual sensation. A structural element according to the present invention, which does not comprise stiffening beams, may in a rather uncomplicated way be manufactured with curved surface portions but may also be performed with a plane surface. Said relatively thin external and internal layers may without problem each be bent to a desired shape individually or during the joining process with the intermediate layer. The intermediate layer may with a suitable choice of material also without problem be manufactured in a desired shape, wherein such a material may be a plastic material. Thereafter, said layers are connected with a suitable adhesive in order to form a structural element, which has desired curved surfaces.
- According to a preferred embodiment of the invention, the structural element comprises fastening devices for equipment in the vehicle. Since the internal layer of the structural element has a flat surface, which also may carry loads, the possibility arises to fasten in the vehicle provided internal equipment in the structural element. For example, fasting channels for seats may be provided in the structural element, such channels may be fastened in the internal layer or provided so that they also extend into the intermediate layer- Further material savings are thereby obtained since there is no need for supporting elements, for such equipment.
- According to another preferred embodiment of the invention, said structural element forms at least a portion of a side wall or a portion of a roof of a car body of a railway vehicle. The present structural element is very favourable to use in railway vehicles such as in underground railway cars and in railway cars for transportation of people. It is in the first place the side walls of the car body, which are suitable to be comprised by said structural element. By making the walls thinner a greater internal volume for the accommodation of passengers may be obtained. The vehicle car will also be essentially lighter, which fact, i.a., influences the energy consumption in a favourable way. It also favorable to use the present structural element in the roof of the car body, which by this measure obtains a light and uncomplicated construction. To use the structural element in a floor construction of a railway vehicle is also an alternative, which may not be excluded.
- In the following, preferred embodiments of the invention are described as examples with reference to the attached drawings, in which:
- Fig 1
- shows a plane view of a car body of a railway vehicle comprising a structural element according to the present invention,
- Fig 2
- shows schematically a cross sectional view of a structural element according to the present invention.
- Fig 1 shows a
car body 1 of a railway vehicle, comprising astructural element 2 according to the present invention. Thestructural element 2 forms at least a part of a side wall of thecar body 1 and has openings forwindows 3. Thestructural element 2 may, for example, extend between two door openings 4, of which one door opening 4 is shown in Fig 1. Thestructural element 2 comprises anexternal layer 5 of a first piece of material comprising a metal material, anintermediate layer 6 of another second piece of material comprising a thermal insulating material, and aninternal layer 7 of a third piece of material. Theintermediate layer 6 is arranged to be joined together with the external 5 and the internal 7 layers by means of an adhesive so that the three pieces of material form astructural element 2 in one piece. Thisstructural element 2 is intended to be mounted on the vehicle by means of fastening means, which may be applied to suitable portions of thestructural element 2. The fastening means, which may, for example, be rivet joint connections or joint bolt connections, may thereby connect thestructural element 2 at the top to the roof of the railway vehicle and at the bottom to alower frame 9. Possibly, also fastening means may be applied for connecting thestructural element 2 to adjacent side walls. - Before the mounting of the
structural element 2 in the vehicle, fastening devices for internal equipment may be attached to thestructural element 2. Such a mounting of, for example, interior details is considerably simpler to perform before the structural element is mounted to the vehicle since a mounting inside the vehicle always leads to a limited mounting space. Equipment, which may be fixed to thestructural element 2 internally, is, for example, fastening channels for seats and sound absorbing panels. - Fig 2 shows schematically a cross sectional view of a
structural element 2 according to the present invention. Thestructural element 2 thus comprises anexternal layer 5, anintermediate layer 6 and aninternal layer 7. Preferably, the external 5 and internal 7 layers consist of metal sheets of, for example, steel or aluminium, which layers essentially supply the supporting properties to thestructural element 2. However, it is possible to manufacture the internal 7 layer in other materials such as, for example, fibre reinforced plastic materials. The internal 7 layer may also be performed in a more pliant material, such as plywood, under the condition that the external 5 layer is manufactured in an essentially stiffer material, such as for example, steel. Preferably, theintermediate layer 6 consists of a stiff, thermal insulating material. Such a material may comprise a foam plastic material of PVC, PMI, PEl or PUR. Alternative materials for theintermediate layer 6 are balsa wood and other materials having good thermal insulating properties. Preferably, such thermal insulating materials may be formed in a honey comb structure. Theintermediate layer 6, which is substantially thicker than the external 5 and internal 7 layers, is arranged to provide both stiffness and thermal and sound insulating properties to thestructural element 2. - At the edges of the
structural element 2, the material ofintermediate layer 6 may be in full view or covered by, for example, aplastic material 10, in order to protect the material of theintermediate layer 6 against, for example, damp. - The present invention is not in any way restricted to the described embodiments but may be varied and modified within the scopes of the claims.
Claims (15)
- A shell of a carbody of a railway vehicle, compositions a structural element (2) wherein the structural element (2) comprises an external layer (5) comprising a metal unaterial, a stiff intermediate layer (6) arranged to form a thermal insulating layer and an internal layer (7), wherein the stiff intermediate layer (6) is fixedly connected to the external layer (5) and the internal layer (7) by means of an adhesive such that a structural element in one piece is formed, characterized in that said external layer (5) is of steel, wherein the intermediate layer (6) is fixedly connected to the external layer (5) and the internal layer (7) substantially over its entire surfaces by means of said adhesive such that the structural element constitutes a stable and stiff unit which distributes applied loads substantially over its whole construction, wherein the structural element (2) is arranged to constitute a supporting element of said car body.
- A shell according to claim 1, characterised in that the intermediate layer (6) comprises a stiff foam plastic material.
- A shell according to claim 2, characterized in that the foam plastic material of the stiff intermediate layer (6) is made from polyvinylchloride, polymethaycrylic imide, polyether, imide or polyurethane.
- A shell according to claim 1, characterized in that the intermediate layer (6) comprises balsa wood.
- A shell according to any one of the preceding claims, characterized in that said intermediate tayer (6) is substantially thicker than said external (5) and internal (7) layers.
- A shell according to any one of the preceding claims, characterized in that said the edges of said intermediate layer (6) are in full view or covered.
- A shell according to any one of the preceding claims, characterized in that the internal layer (7) comprises a metal material.
- A shell according to any one of the preceding claims1 to 6, characterized in that the internal layer (7) is manufactured in a fibre reinforced plastic material.
- A shell according to any one of the preceding claims, characterized in that the external layer (5) is dimensioned such that it carries the main load of the structural element, whereas the intermediate (6) and internal (7) layers prop and guy the external layer (5).
- A shell according to any one of the preceding claims, characterised in that the external (5) and internal (7) layers of said structural element (2) comprise at least one curved portion.
- A shell according to any one of preceding claims, characterized in that the intermediate layer (6) is manufactured in a shape adapted to the desired curvature.
- A shell according to any one of the preceding claims, c haracterised in that the structural element (2) comprises fastening devices for equipment in the vehicle.
- A shell according to any one of the preceding claims, characterised in that the structural element (2) is at least a portion of a side wall of the car body.
- A shell according to claim 13, characterized in that said wall element extends between two door openings.
- A shell according to any one of the preceding claims 1-12, characterised in that the structural element (2) is at least a portion of a roof of the car body.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9802798A SE514166C2 (en) | 1998-08-21 | 1998-08-21 | Building elements arranged to form at least part of a housing of a railroad car's wagon basket |
SE9802798 | 1998-08-21 | ||
PCT/SE1999/001399 WO2000010859A1 (en) | 1998-08-21 | 1999-08-18 | A structural element arranged to form at least a part of a shell of a car body of a railway vehicle |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1104374A1 EP1104374A1 (en) | 2001-06-06 |
EP1104374B1 true EP1104374B1 (en) | 2006-01-11 |
EP1104374B9 EP1104374B9 (en) | 2006-05-10 |
Family
ID=20412311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99944963A Expired - Lifetime EP1104374B9 (en) | 1998-08-21 | 1999-08-18 | A structural element arranged to form at least a part of a shell of a car body of a railway vehicle |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP1104374B9 (en) |
JP (1) | JP2002523287A (en) |
CN (1) | CN1188310C (en) |
AT (1) | ATE315510T1 (en) |
AU (1) | AU5767699A (en) |
BR (1) | BR9913136A (en) |
CA (1) | CA2341364A1 (en) |
DE (1) | DE69929447T2 (en) |
MX (1) | MXPA01001909A (en) |
SE (1) | SE514166C2 (en) |
WO (1) | WO2000010859A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012005099A1 (en) * | 2012-03-14 | 2013-09-19 | Audi Ag | Structural element for vehicle or ship construction application, has foam core elements with cavity structure, where cavity structure is formed as rib structure and is partially open to outside |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0100232L (en) * | 2001-01-26 | 2002-07-27 | Bombardier Transp Gmbh | Method for manufacturing a curved sandwich element and a curved sandwich element |
CN102225678B (en) * | 2011-04-21 | 2013-03-06 | 张清华 | Crystal sculpture shell with multilayer of internally-carved, internally-painted and embedded motor vehicle interior trims |
CN102225679B (en) * | 2011-04-21 | 2013-03-06 | 张清华 | Crystal sculpture shell with multilayer of internally-carved and internally-painted automobile interior trims |
CN102343916A (en) * | 2011-07-14 | 2012-02-08 | 唐山轨道客车有限责任公司 | Electric locomotive and carriage of electric locomotive |
GB201309323D0 (en) * | 2013-05-23 | 2013-07-10 | 4A Mfg Gmbh | Three-dimensional structural member formed by a sandwich structure with foam core between metallic layers |
CN105128875B (en) * | 2015-09-06 | 2017-09-19 | 中车长江车辆有限公司 | A kind of double thermal insulation composite sidewall for refrigerated railway car |
DE102016218882A1 (en) | 2016-09-29 | 2018-03-29 | Siemens Aktiengesellschaft | track vehicle |
CN106585648A (en) * | 2016-12-01 | 2017-04-26 | 中车青岛四方机车车辆股份有限公司 | Vehicle body structure and train provided with same |
DE102017102564A1 (en) * | 2017-02-09 | 2018-08-09 | CG Rail - Chinesisch-Deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH | Roof segments for the roof of a car body |
EP3919265A1 (en) * | 2020-06-05 | 2021-12-08 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Exterior wall segment for a railway vehicle, railway vehicle and method for manufacturing an exterior wall segment |
EP3957536A1 (en) * | 2020-08-21 | 2022-02-23 | Schweizerische Bundesbahnen SBB | Transport vehicle and car body for a transport vehicle and manufacturing method |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0354436A1 (en) * | 1988-08-08 | 1990-02-14 | Gec Alsthom Sa | Coach body for railway vehicles |
EP0375621A1 (en) * | 1988-12-23 | 1990-06-27 | Alusuisse-Lonza Services Ag | Insulated trough for rail and/or road vehicles |
US5784970A (en) * | 1996-01-24 | 1998-07-28 | Alusuisse Technology & Management Ltd. | Carriage body frame |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD246736A1 (en) * | 1986-03-21 | 1987-06-17 | Plastluefter & Anlagenbau Veb | SANDWICH ELEMENT WITH METAL COVER |
IT1257961B (en) * | 1992-12-30 | 1996-02-19 | Fiat Ferroviaria Spa | CASH STRUCTURE WITH CORRUGATED STRUCTURAL PANELS FOR RAILWAY VEHICLES. |
FR2704508B1 (en) * | 1993-04-28 | 1995-06-02 | Gec Alsthom Transport Sa | Lightweight rail vehicle body. |
US5373792A (en) * | 1993-05-10 | 1994-12-20 | Gunderson, Inc. | Railway gondola car incorporating flexible panels of composite sheet material |
KR950008262A (en) * | 1993-09-20 | 1995-04-17 | 가나이 쯔도무 | Railway vehicle and its interior decoration method |
FR2720994B1 (en) * | 1994-06-13 | 1996-07-12 | Gec Alsthom Transport Sa | Road or rail vehicle and its assembly process. |
-
1998
- 1998-08-21 SE SE9802798A patent/SE514166C2/en not_active IP Right Cessation
-
1999
- 1999-08-18 AU AU57676/99A patent/AU5767699A/en not_active Abandoned
- 1999-08-18 BR BR9913136-6A patent/BR9913136A/en active Search and Examination
- 1999-08-18 CA CA002341364A patent/CA2341364A1/en not_active Abandoned
- 1999-08-18 WO PCT/SE1999/001399 patent/WO2000010859A1/en active IP Right Grant
- 1999-08-18 CN CNB998123390A patent/CN1188310C/en not_active Expired - Fee Related
- 1999-08-18 DE DE69929447T patent/DE69929447T2/en not_active Expired - Lifetime
- 1999-08-18 MX MXPA01001909A patent/MXPA01001909A/en unknown
- 1999-08-18 EP EP99944963A patent/EP1104374B9/en not_active Expired - Lifetime
- 1999-08-18 AT AT99944963T patent/ATE315510T1/en not_active IP Right Cessation
- 1999-08-18 JP JP2000566147A patent/JP2002523287A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0354436A1 (en) * | 1988-08-08 | 1990-02-14 | Gec Alsthom Sa | Coach body for railway vehicles |
EP0375621A1 (en) * | 1988-12-23 | 1990-06-27 | Alusuisse-Lonza Services Ag | Insulated trough for rail and/or road vehicles |
US5784970A (en) * | 1996-01-24 | 1998-07-28 | Alusuisse Technology & Management Ltd. | Carriage body frame |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012005099A1 (en) * | 2012-03-14 | 2013-09-19 | Audi Ag | Structural element for vehicle or ship construction application, has foam core elements with cavity structure, where cavity structure is formed as rib structure and is partially open to outside |
Also Published As
Publication number | Publication date |
---|---|
SE9802798D0 (en) | 1998-08-21 |
ATE315510T1 (en) | 2006-02-15 |
AU5767699A (en) | 2000-03-14 |
DE69929447T2 (en) | 2006-09-28 |
WO2000010859A1 (en) | 2000-03-02 |
CN1188310C (en) | 2005-02-09 |
JP2002523287A (en) | 2002-07-30 |
SE514166C2 (en) | 2001-01-15 |
MXPA01001909A (en) | 2002-04-24 |
SE9802798L (en) | 2000-02-22 |
BR9913136A (en) | 2001-05-08 |
EP1104374B9 (en) | 2006-05-10 |
DE69929447D1 (en) | 2006-04-06 |
CN1330597A (en) | 2002-01-09 |
CA2341364A1 (en) | 2000-03-02 |
EP1104374A1 (en) | 2001-06-06 |
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