EP4117975A1 - Anordnung zur übertragung von längskräften bei einem schienenfahrzeug - Google Patents
Anordnung zur übertragung von längskräften bei einem schienenfahrzeugInfo
- Publication number
- EP4117975A1 EP4117975A1 EP21725411.9A EP21725411A EP4117975A1 EP 4117975 A1 EP4117975 A1 EP 4117975A1 EP 21725411 A EP21725411 A EP 21725411A EP 4117975 A1 EP4117975 A1 EP 4117975A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fei
- fiber element
- bogie
- fiber
- longitudinal
- 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
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
- B61F3/00—Types of bogies
- B61F3/02—Types of bogies with more than one axle
- B61F3/04—Types of bogies with more than one axle with driven axles or wheels
-
- 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
- B61F1/00—Underframes
- B61F1/08—Details
-
- 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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
Definitions
- the invention relates to an arrangement for transmitting longitudinal forces from a bogie to a support structure of a rail vehicle.
- a pivot connects the bogie with the car body. In relation to the car body, the bogie moves about a vertical axis formed by the pivot pin. The trunnion transfers the longitudinal forces between the car body and the bogie.
- the axles of the Laufrä are driven, for example, by electric traction motors that are housed in the bogie.
- FIG 3 shows such a bogie DG with two tie rods ZST1, ZST2 according to the prior art.
- the two tie rods ZST1, ZST2 are provided with elastomeric bearings ELL via connection points on the bogie or on the locomotive / car body, which enable the relative movement of connected parts to one another.
- the elastomer bearings mentioned ELL also require a relatively large installation volume at the connection points, so that their integration is not easily possible.
- connection consoles are provided on the locomotive / car body.
- the connection brackets are preferably arranged in the middle Be of a cross member of the locomotive / car body in the transverse direction to the locomotive / car body.
- a common construction of the locomotive / car body has two eccentric longitudinal members which absorb the longitudinal force via the cross member or transmit it in the locomotive / car body (not shown here).
- the transverse beam is loaded in bending by the longitudinal force introduced and must be made correspondingly massive.
- the invention relates to an arrangement for transmitting longitudinal forces from a bogie to a support structure of a rail vehicle.
- the bogie is connected to the supporting structure via two Gebelemen te, the longitudinal forces, which are formed by two directions of movement of the rail vehicle, transmitted as tensile forces from the bogie to the supporting structure. Seen in the direction of travel of the rail vehicle, the two Werelemen te are arranged opposite one another.
- the tension elements are formed out as fiber elements.
- the fiber elements are made of highly resilient Fa fibers and designed for the exclusive transmission of tensile forces.
- the two tie rods described in FIG. 3 and made of metal are replaced by fiber elements or ropes.
- the bogie has two opposite ends, each end being connected to the support structure via a tension element.
- the support structure has two parallel longitudinal members which are connected to one another at intervals with the aid of transverse members.
- the support structure only has one longitudinal beam.
- the bogie is designed as a driven bogie (DG).
- the fiber element is designed such that braking or tensile forces that are generated by the drive of the bogie, as longitudinal forces are transmitted from the bogie via the fiber element to the supporting structure.
- a first end of the fiber element is connected to the bogie or to the end of the bogie via a connection point.
- a second end of the fiber element is connected to the center of a cross member of the supporting structure or to the supporting structure via a connection point.
- a first end of the fiber element is connected to the end of the bogie via a connection point.
- the fiber element contains further fiber elements and additionally has a distribution element, which is implemented as a ring, for example. Starting at the part element or ring, the fiber element is divided into further fiber elements.
- a first fiber element is connected both to a first longitudinal member and to the cross member of the supporting structure, while a second fiber element is connected to both a second longitudinal member and to the cross member of the supporting structure as a further fiber element.
- the first longitudinal member is preferably arranged parallel to the second longitudinal member and the two longitudinal members are connected to one another via the cross member.
- the first fiber element is connected to the support structure at a first point at which the cross member is connected to the first longitudinal member, or the first fiber element is closed in the vicinity of the first point.
- the second fiber element is connected to the support structure at a second point at which the cross member is connected to the second longitudinal member, or the second fiber element is connected in the vicinity of the second point. This enables the longitudinal forces to be introduced directly into the supporting structure or into the two side members thereof.
- a second end of the fiber element is connected centrally to the cross member.
- the fiber element or the further fiber elements are made of highly resilient fibers, preferably of Kevlar fibers and / or of carbon fibers.
- a further division of the further fiber elements is carried out by additional distribution elements or rings, which are connected to the support structure via distributed connection points after further division has taken place.
- the support structure is part of a frame or a locomotive body or a car body.
- the present invention saves weight.
- the fiber elements transmit the respective tension forces with a significantly lower weight compared to the massive tie rods of the prior art described in FIG.
- the fiber elements allow an easily adaptable connection situation to the support structure that is optimized through distribution.
- the present invention saves the elastomer bearings of the tie rods and thus gains installation space.
- the present invention simplifies maintenance or revision work, since the fiber elements are elastically deformable perpendicular to the fiber direction. This makes them easier to remove than the metal tie rods according to the prior art described in FIG.
- FIG. 1 shows a first embodiment of the arrangement according to the invention on a driven bogie DG.
- the bogie DG has two ends, seen in the direction of travel, which are opposite one another.
- the support structure TS here has, for example, two parallel longitudinal members LT1, LT2, which are connected to one another at intervals with the aid of transverse members QUT.
- a first end of the fiber element FEI is connected to the bogie DG via a connection point ASP-DG.
- a second end of the fiber element FEI is connected to the center of the cross member QUT shown via a connection point ASP-QUT.
- the fiber element FEI is made up of several partial fibers or partial fiber elements, so that the fiber element FEI contains further fiber elements FEH, FE12 and the fiber element FEI is divided into further fiber elements FEH, FE12 on a ring RNG.
- a first end of a first fiber element FEH is connected via a connection point ASP-LT1 both to a first longitudinal member LT1 and to the cross member QUT.
- the first fiber element FEI is connected in the closer area of the connection point ASP-LT1 shown.
- a second end of the first partial fiber element FEH is connected to the fiber element FEI on the ring RNG or begins or originates on the ring RNG.
- a first end of a second fiber element FE12 is connected via a connection point ASP-LT2 both to a second longitudinal member LT2 and to the cross member QUT.
- the second fiber element FE2 is connected in the closer area of the connection point ASP-LT2 shown.
- a second end of the second fiber element FE12 is connected to the fiber element FEI on the ring RNG or begins or emerges on the ring RNG.
- the fiber element FEI or the fiber elements FEH, FE12 consist of highly resilient fibers which preferably contain Kevlar fibers and / or carbon fibers or which are made up entirely of Kevlar fibers and / or carbon fibers.
- the fibers or the fiber elements FEI, FEH, FE12 are preferably encased with a matrix for additional protection.
- the fiber elements FEI, FEH, FE12 are designed for the exclusive transmission of tensile forces.
- the fiber elements FEH and FE12 realizes an advantageous introduction of the longitudinal forces directly or close to the longitudinal beams LT1, LT2.
- the cross member QUT By deflecting the force through the fiber elements FEH and FE12, the cross member QUT no longer has to absorb the longitudinal force derived via these fiber elements. Due to the geometry of the force introduction of these fiber elements, the cross member absorbs a resulting compressive force. This reduces a bending load on the cross member QUT. Despite the additional pressure load, the cross member QUT can be dimensioned to be less massive compared to the prior art according to FIG. 3.
- FIG. 2 shows, with reference to FIG. 1, a second embodiment of the present invention.
- elements with defined stiffnesses can be used to connect the fiber elements to the supporting structure. Furthermore, elements with a defined rigidity can be inserted between the individual fiber elements. This advantageously ensures that elastomer bearings can be used at connection points which have smaller dimensions compared to the prior art.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Ropes Or Cables (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020205577.7A DE102020205577A1 (de) | 2020-05-04 | 2020-05-04 | Anordnung zur Übertragung von Längskräften bei einem Schienenfahrzeug |
| PCT/EP2021/060936 WO2021224061A1 (de) | 2020-05-04 | 2021-04-27 | Anordnung zur übertragung von längskräften bei einem schienenfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4117975A1 true EP4117975A1 (de) | 2023-01-18 |
| EP4117975B1 EP4117975B1 (de) | 2024-03-20 |
Family
ID=75914484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21725411.9A Active EP4117975B1 (de) | 2020-05-04 | 2021-04-27 | Anordnung zur übertragung von längskräften bei einem schienenfahrzeug |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4117975B1 (de) |
| CN (1) | CN115485178B (de) |
| DE (1) | DE102020205577A1 (de) |
| ES (1) | ES2976039T3 (de) |
| PL (1) | PL4117975T3 (de) |
| WO (1) | WO2021224061A1 (de) |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH415726A (de) * | 1964-06-11 | 1966-06-30 | Schweizerische Lokomotiv | Tiefzugvorrichtung für Triebfahrzeuge |
| CH416716A (de) * | 1964-07-24 | 1966-07-15 | Schweizerische Lokomotiv | Vorrichtung zur Übertragung der Zugkraft bei Triebfahrzeugen |
| CH543996A (de) * | 1971-10-28 | 1973-11-15 | Schweizerische Lokomotiv | Schienentriebfahrzeug |
| DE3612797C1 (de) * | 1986-04-16 | 1987-08-20 | Messerschmitt Boelkow Blohm | Drehgestell fuer ein Schienenfahrzeug |
| ATE150712T1 (de) * | 1993-10-06 | 1997-04-15 | Abb Daimler Benz Transp | Verbundbauteil als zug-druck-stange für schienenfahrzeuge |
| FR2780694B1 (fr) | 1998-07-06 | 2000-08-18 | Alstom | Bogie en materiau composite pour vehicule ferroviaire et procede de fabrication de tel bogie |
| CZ294388B6 (cs) * | 2001-09-19 | 2004-12-15 | Vúkv A. S. | Podvozek kolejového vozidla |
| CN202413820U (zh) * | 2012-02-12 | 2012-09-05 | 株洲时代电子技术有限公司 | 一种轨道工程车辆用电传动转向架 |
| CN203543988U (zh) * | 2013-10-18 | 2014-04-16 | 南车株洲电力机车有限公司 | 一种转向架构架及其侧梁 |
| DE102014200592A1 (de) | 2014-01-15 | 2015-07-16 | Siemens Aktiengesellschaft | Schienenfahrzeug mit einem Wagenkasten und Drehgestellen und Niederspannvorrichtung für ein Schienenfahrzeug |
| CN204713092U (zh) * | 2015-05-13 | 2015-10-21 | 南车株洲电力机车有限公司 | 一种地铁转向架 |
| CN105065429A (zh) * | 2015-07-30 | 2015-11-18 | 株洲时代新材料科技股份有限公司 | 轨道车辆用轻量化连杆 |
| DE102016123784A1 (de) * | 2016-12-08 | 2018-06-14 | CG Rail - Chinesisch-Deutsches Forschungs- und Entwicklungszentrum für Bahn- und Verkehrstechnik Dresden GmbH | Drehgestell eines Schienenfahrzeugs mit mindestens zwei in Achslagern gelagerten Radsätzen und wenigstens einem Querträger |
| CN109131406B (zh) * | 2018-09-06 | 2020-11-10 | 中车青岛四方机车车辆股份有限公司 | 轨道车辆的底架组件及轨道车辆 |
| CN110281967B (zh) * | 2019-07-10 | 2024-08-13 | 通号轨道车辆有限公司 | 一种悬挂式轨道车辆及其转向架 |
| CN110641503A (zh) * | 2019-10-17 | 2020-01-03 | 西南交通大学 | 一种新型转向架 |
-
2020
- 2020-05-04 DE DE102020205577.7A patent/DE102020205577A1/de not_active Ceased
-
2021
- 2021-04-27 CN CN202180032856.5A patent/CN115485178B/zh active Active
- 2021-04-27 WO PCT/EP2021/060936 patent/WO2021224061A1/de not_active Ceased
- 2021-04-27 EP EP21725411.9A patent/EP4117975B1/de active Active
- 2021-04-27 ES ES21725411T patent/ES2976039T3/es active Active
- 2021-04-27 PL PL21725411.9T patent/PL4117975T3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL4117975T3 (pl) | 2024-07-15 |
| CN115485178B (zh) | 2025-06-27 |
| WO2021224061A1 (de) | 2021-11-11 |
| ES2976039T3 (es) | 2024-07-22 |
| CN115485178A (zh) | 2022-12-16 |
| DE102020205577A1 (de) | 2021-11-04 |
| EP4117975B1 (de) | 2024-03-20 |
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