EP3727989A1 - Drehgestellrahmen für schienenfahrzeuge aus einem aluminiumgussteil - Google Patents
Drehgestellrahmen für schienenfahrzeuge aus einem aluminiumgussteilInfo
- Publication number
- EP3727989A1 EP3727989A1 EP18829297.3A EP18829297A EP3727989A1 EP 3727989 A1 EP3727989 A1 EP 3727989A1 EP 18829297 A EP18829297 A EP 18829297A EP 3727989 A1 EP3727989 A1 EP 3727989A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bogie frame
- casting
- ribs
- members
- bogie
- 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.)
- Granted
Links
- 238000005266 casting Methods 0.000 title claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims description 10
- 229910052782 aluminium Inorganic materials 0.000 title claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000007528 sand casting Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 238000010073 coating (rubber) Methods 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000035882 stress Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 244000261422 Lysimachia clethroides Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
Definitions
- Bogie frame for rail vehicles made from an aluminum casting
- the present invention relates to a bogie frame for rail vehicles with at least two wheelsets according to the preamble of claim 1.
- the drive of a rail vehicle consists of a bogie, are stored in the wheelsets in a rotatable relative to the car body frame.
- Bogies are built in different types and designs. A very old bogie is that
- the chassis of a bogie must be able to accommodate high loads and consists of at least one cross member, on which rests the pivot pin of the body of the car. At the ends of the cross member two mutually parallel longitudinal members are attached. The longitudinal members are connected by means of a suspension with the four wheels of the bogie in combination.
- Suspensions consist of different spring groups, which are mounted coaxially.
- Spring systems usually consist of a secondary suspension and a
- the bogie frame On a bogie frame all other parts such as wheelsets, suspension and damper are attached. In most cases, the bogie frame consists of a welded
- the bogie further includes a pivot, also called a pivot, which connects the bogie to the car body and usually also the longitudinal forces between the car body and Bogie transfers.
- the bogie moves about the vertical axis formed by the pivot.
- bogie frame are extremely heavy, have a high residual stress and, if made of steel, subject to corrosion.
- Welded constructions made of steel sheets and steel tubes are extremely expensive to produce and therefore costly.
- Welded bogie frames also have welds that are exposed to stress and can break under heavy load. Such welds on steel structures are particularly susceptible to mechanical stresses in highly stressed components, such as a bogie frame, which ultimately reduce the mechanical strength of the components.
- the previously known bogie frame also cause loud driving noise, which can only be reduced by elaborate damping measures.
- a bogie frame for rail vehicles with at least two wheelsets, which is reduced in weight compared to a steel structure and in which the driving noise is significantly reduced.
- the weight is about 40% over one
- the bogie frame according to the invention for rail vehicles with at least two sets of wheels consists of two over the axle bearings parallel to each other longitudinal members which are interconnected with one or more cross members.
- the bogie frame is completely made as a casting of an aluminum alloy, preferably in the sand casting method. In this method, cavities or hollow profiles can be produced, which are stabilized by ribbing.
- the bogie frame according to the invention is manufactured in the aluminum sand casting method.
- the mold is preferably produced by means of a pattern device in the hand molding process or else in the core block molding process. It is a "lost shape" because the mold and cores of chemical or clay-bound sand have to be destroyed after casting.
- Typical functional elements in bogies of rail vehicles are elements for the safe running of the rail vehicle on the track body. Like the bogie frame, these include primary and secondary suspension, dampers, brake systems, wheel sets, and depending on the version, engines and transmissions.
- the invention relates to a bogie frame as a single, whole casting of one
- the bogie frame is present as a single casting to replace the previously known steel structures in bogies for rail vehicles. Elaborate welding and stress-prone welds are thereby avoided.
- Aluminum alloy also reduces the cost by about 30 to 50%. This is a significant advantage over known bogie frames made of steel.
- the test interval in continuous operation for testing the component for stress cracks can be adapted and increased in accordance with the calculation results, the continuous oscillation test and the current examination results.
- Bogie frames are optimally matched to the mechanical loads and the requirements of continuous operation.
- the cavities of the bogie frame are made with sand-cores of chemically bonded sands stored in the mold. Due to the heat treatment in T6, which takes place in the manufacturing process, the casting is virtually stress-free. Residual stresses can be neglected by the heat treatment in the manufacturing process. Due to the construction and the mechanical properties of the aluminum alloy, a weight reduction of about 40% can be achieved.
- the cavities of the two longitudinal members and / or the cross member may preferably as
- Air reserve containers are used for the functional elements of the rail vehicle. This has a significant advantage over the air reserve containers in known bogie frames, such as those shown in Figs. for the trusses or sheet steel specially welded for this purpose air tank. Through the cavities of the bogie frame air reservoir can be created, which can take over this function completely. This can be costly
- ribs are also provided on the underside at risk areas for preventing rockfall. These areas must be protected against falling rocks because they are found on the underside of the bogie frame and each in front of
- the ribs are at least 20 mm apart and at least 5 mm thick.
- Gumming is introduced, preferably by spraying an at least 5 mm thick layer.
- the rubber coating can be bolted under the trains
- bogie frame according to the invention represents.
- the aluminum alloy according to the invention allows a casting with high mechanical properties and is corrosion resistant. Preferably comes for that
- the casting according to the invention AC-AISi7MgO, 3ST6 used.
- the casting itself is homogeneous and stress-tolerant.
- the casting is provided with an elastic surface protection for protection against corrosion-causing influences.
- the loads and forces of the primary springs over the wheelsets are preferably introduced by hat-shaped inserts made of corrosion-resistant steel over a large area and wide in the bogie frame.
- the projection of the insert transmits the loads circumferentially over the entire diameter and the entire surface.
- the aluminum casting according to the invention noise and driving noise are significantly reduced.
- the choice of ribbing inside the cavities allows efficient combination of function and stability.
- the ribs are designed in different shape and thickness according to the calculated tension pattern.
- the invention further relates to a method for producing a bogie frame for
- Rail vehicles with at least two sets of wheels, two longitudinal beams running parallel to one another over the axle bearings and the cross members connecting the longitudinal members and as
- Air reserve container are executed.
- Side member and cross member may be configured to receive functional elements. According to the invention it is provided that the
- the bogie frame is completely manufactured as an aluminum alloy casting in sand casting with several ribbed stabilized cavities.
- the bogie frame is completely manufactured as an aluminum alloy casting in sand casting with several ribbed stabilized cavities.
- the bogie frame is completely manufactured as an aluminum alloy casting in sand casting with several ribbed stabilized cavities.
- cavities with sand cores stored in the mold made from chemically bonded sands.
- the casting is constructed homogeneously and stress-free and is preferably provided with an elastic surface protection.
- the surface protection without thermal stress of the component and the very low proportion of residual stresses guarantee optimal behavior of the component in the state of operating loads.
- the steel inserts made of corrosion-resistant steel are embedded in the cast profile of the longitudinal members during the production of the bogie frame.
- the invention further relates to a rail vehicle, which is manufactured with a bogie frame according to the invention as a casting of an aluminum alloy in sand casting with a cavity profile.
- a bogie frame 1 according to the invention is shown as a one-piece component in cast aluminum. To recognize is the invention
- Bogie frame 1 with two mutually parallel longitudinal beams 3.
- the two side members 3 are interconnected by two interconnected cross members 2.
- the two cross members 2 are in turn connected to each other via two central longitudinal bridges 4, which comprise a receiving area 5 for functional elements.
- each two opposing lugs 7 are formed as side stops.
- the complete component is fitted with fasteners for functional elements and interfaces
- Stress-flow-oriented design allows loads and forces to be directed into the interior of the aluminum component in a controlled manner.
- Figs. 2 to 4 the cavity profile of the embodiment shown in Fig. 1 is shown.
- the interior of the casting is hollow and consists of one or more cavities 10, which are separated by ribs 9 from each other. These consist of longitudinal ribs and transverse ribs in different design at the places that are particularly stressed.
- the ribs 9 stabilize the casting, distribute the stresses and take over the supporting function.
- Fig. 2 is a side view is shown. It can be seen that the two side members 3 are connected to two cross members 2, to the two opposite lugs 7 as
- FIG. 3 the representation of a plan view of a centrally cut component is shown. It can be seen a receiving area 5 for functional elements and the longitudinal bridge 4. Die
- Steel bushes 6 are inserted for load introduction from the primary springs in the component (longitudinal member 3). These have a hat shape and use all the surfaces lying in the component, the load compatible and smoothly initiate into the component.
- the inventive construction of cast aluminum is characterized by a significant cost reduction while reducing weight.
- the driving noise is significantly reduced.
- Elaborate welding work on steel components such as trusses Iron materials and air containers made of steel sheet can be omitted. This represents significant advantages over known bogie frame.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL18829297T PL3727989T3 (pl) | 2017-12-18 | 2018-12-17 | Rama wózka wagonu do pojazdów szynowych wykonana z odlewu aluminiowego |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202017107670.9U DE202017107670U1 (de) | 2017-12-18 | 2017-12-18 | Drehgestellrahmen für Schienenfahrzeuge aus einem Aluminiumgussteil |
PCT/EP2018/085223 WO2019121524A1 (de) | 2017-12-18 | 2018-12-17 | Drehgestellrahmen für schienenfahrzeuge aus einem aluminiumgussteil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3727989A1 true EP3727989A1 (de) | 2020-10-28 |
EP3727989B1 EP3727989B1 (de) | 2022-01-12 |
Family
ID=64902029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18829297.3A Active EP3727989B1 (de) | 2017-12-18 | 2018-12-17 | Drehgestellrahmen für schienenfahrzeuge aus einem aluminiumgussteil |
Country Status (10)
Country | Link |
---|---|
US (2) | US11702118B2 (de) |
EP (1) | EP3727989B1 (de) |
CN (1) | CN111511626B (de) |
CA (1) | CA3085379A1 (de) |
DE (1) | DE202017107670U1 (de) |
ES (1) | ES2909967T3 (de) |
MX (1) | MX2020006484A (de) |
PL (1) | PL3727989T3 (de) |
RU (1) | RU2757100C1 (de) |
WO (1) | WO2019121524A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202017107670U1 (de) | 2017-12-18 | 2019-03-20 | Lothar Thoni | Drehgestellrahmen für Schienenfahrzeuge aus einem Aluminiumgussteil |
SK9185Y1 (sk) * | 2020-09-28 | 2021-06-09 | Tatravagonka As | Rám nákladného železničného podvozka |
DE102020133693B3 (de) * | 2020-12-16 | 2022-06-23 | CG Rail - Chinesisch-Deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH | Querträger für ein Drehgestell und Verfahren zu dessen Herstellung |
EP4219264A1 (de) | 2022-01-31 | 2023-08-02 | Hitachi, Ltd. | Rahmenstruktur für ein drehgestell |
CN115056814B (zh) * | 2022-06-21 | 2024-01-26 | 中车青岛四方机车车辆股份有限公司 | 轨道车辆转向架横梁、转向架构架、转向架及轨道车辆 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR651467A (fr) * | 1927-09-07 | 1929-02-19 | Procédé de fabrication de châssis de trucks pour matériel roulant et châssis ainsi obtenus | |
BE635192A (de) * | 1962-08-31 | |||
US3547046A (en) * | 1968-04-16 | 1970-12-15 | Gen Steel Ind Inc | Railway locomotive truck with low traction point |
US4258629A (en) | 1979-09-04 | 1981-03-31 | General Steel Industries, Inc. | Braking and steering radial truck |
FR2720362B1 (fr) * | 1994-05-30 | 1996-07-05 | Gec Alsthom Transport Sa | Chassis de bogie. |
DE19819412C1 (de) | 1998-04-30 | 1999-10-07 | Talbot Gmbh & Co Kg | Wankstützeinrichtung für den Rahmen des Laufwerks eines Schienenfahrzeugs |
FR2780693B1 (fr) * | 1998-07-06 | 2000-08-18 | Alstom | Bogie pour vehicule ferroviaire et son procede de fabrication |
FR2802163B1 (fr) | 1999-12-10 | 2002-02-08 | Arbel Fauvet Rail Sa | Bogie pour une utilisation ferroviaire et wagon pourvu du dit bogie |
AU2005248978B2 (en) * | 2001-02-01 | 2009-03-26 | Bradken Resources Pty Limited | A railway bogie |
ATE404415T1 (de) | 2004-09-18 | 2008-08-15 | Meyer Josef Waggon Ag | Drehgestell mit einem federungssystem |
RU43239U1 (ru) * | 2004-10-06 | 2005-01-10 | Закрытое акционерное общество "Научно-производственное объединение Транспортного машиностроения" | Тележка железнодорожного вагона |
GB2421207A (en) * | 2004-12-16 | 2006-06-21 | Cosworth Technology Ltd | Casting with a halogen containing compound provided on the mould surface |
DE102006029835A1 (de) * | 2006-06-27 | 2008-01-03 | Bombardier Transportation Gmbh | Fahrwerksrahmen eines Schienenfahrzeugs |
CH699589A2 (de) | 2008-09-22 | 2010-03-31 | Josef Meyer Bogie Ag | Güterwagendrehgestell. |
JP4685921B2 (ja) * | 2008-12-26 | 2011-05-18 | 株式会社日立製作所 | 鉄道車両用台車 |
US9216450B2 (en) * | 2011-05-17 | 2015-12-22 | Nevis Industries Llc | Side frame and bolster for a railway truck and method for manufacturing same |
EP2500233B1 (de) * | 2011-03-16 | 2014-03-05 | Bombardier Transportation GmbH | Schienenfahrzeugeinheit mit Zugvorrichtung |
PL2669138T3 (pl) * | 2012-05-30 | 2021-12-27 | Bombardier Transportation Gmbh | Rama podwozia dla pojazdu szynowego |
US8925466B2 (en) * | 2012-12-20 | 2015-01-06 | Amsted Rail Company, Inc. | Brake beam assembly for a railway car truck |
KR101665098B1 (ko) * | 2014-10-23 | 2016-10-13 | 한국철도기술연구원 | 철도차량 브레이크 장치 브라켓 구조 |
DE102014117047B4 (de) * | 2014-11-21 | 2017-12-14 | Lothar Thoni | Traverse für Schienenfahrzeuge zur Anlenkung eines Wagenkastens eines Schienenfahrzeugs an dessenDrehgestell |
CN104691571B (zh) * | 2015-02-27 | 2018-05-11 | 中车青岛四方机车车辆股份有限公司 | 轨道列车及其车底防护装置 |
AT516924A2 (de) * | 2015-03-03 | 2016-09-15 | Siemens Ag Oesterreich | Fahrwerksrahmen für ein Schienenfahrzeug |
CN104802821A (zh) * | 2015-04-29 | 2015-07-29 | 长春轨道客车股份有限公司 | 新型高速动车组非动力转向架 |
CN106004915A (zh) * | 2016-06-21 | 2016-10-12 | 中车唐山机车车辆有限公司 | 转向架的构架 |
CN106740963B (zh) * | 2017-01-23 | 2018-10-16 | 中车长江车辆有限公司 | 铁路快运货车转向架用构架 |
DE202017107670U1 (de) | 2017-12-18 | 2019-03-20 | Lothar Thoni | Drehgestellrahmen für Schienenfahrzeuge aus einem Aluminiumgussteil |
-
2017
- 2017-12-18 DE DE202017107670.9U patent/DE202017107670U1/de active Active
-
2018
- 2018-12-17 EP EP18829297.3A patent/EP3727989B1/de active Active
- 2018-12-17 US US16/955,680 patent/US11702118B2/en active Active
- 2018-12-17 ES ES18829297T patent/ES2909967T3/es active Active
- 2018-12-17 PL PL18829297T patent/PL3727989T3/pl unknown
- 2018-12-17 MX MX2020006484A patent/MX2020006484A/es unknown
- 2018-12-17 RU RU2020123532A patent/RU2757100C1/ru active
- 2018-12-17 WO PCT/EP2018/085223 patent/WO2019121524A1/de unknown
- 2018-12-17 CA CA3085379A patent/CA3085379A1/en active Pending
- 2018-12-17 CN CN201880080166.5A patent/CN111511626B/zh active Active
-
2023
- 2023-05-30 US US18/203,466 patent/US20240059329A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US11702118B2 (en) | 2023-07-18 |
US20240059329A1 (en) | 2024-02-22 |
CN111511626B (zh) | 2023-08-22 |
US20210070328A1 (en) | 2021-03-11 |
CA3085379A1 (en) | 2019-06-27 |
MX2020006484A (es) | 2020-09-18 |
RU2757100C1 (ru) | 2021-10-11 |
ES2909967T3 (es) | 2022-05-11 |
PL3727989T3 (pl) | 2022-06-13 |
DE202017107670U1 (de) | 2019-03-20 |
EP3727989B1 (de) | 2022-01-12 |
CN111511626A (zh) | 2020-08-07 |
WO2019121524A1 (de) | 2019-06-27 |
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