EP3670288A1 - Schienenfahrzeug, das mindestens zwei lärmschutzvorrichtungen umfasst - Google Patents
Schienenfahrzeug, das mindestens zwei lärmschutzvorrichtungen umfasst Download PDFInfo
- Publication number
- EP3670288A1 EP3670288A1 EP19217203.9A EP19217203A EP3670288A1 EP 3670288 A1 EP3670288 A1 EP 3670288A1 EP 19217203 A EP19217203 A EP 19217203A EP 3670288 A1 EP3670288 A1 EP 3670288A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- car
- noise
- railway vehicle
- face
- 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
- 230000009467 reduction Effects 0.000 claims abstract description 18
- 239000011358 absorbing material Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- B61D17/06—End walls
-
- 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
- B61F1/10—End constructions
Definitions
- the rail vehicle is for example a non-articulated rail vehicle, that is to say a rail vehicle where the bogies are arranged under the cars, and not between the cars, at the junction between the cars.
- One of the aims of the invention is to overcome this drawback by proposing a railway vehicle which makes it possible to reduce the propagation of the noise generated by the bogie and the contact between the wheels and the rail inside the car.
- the invention relates to a rail vehicle of the aforementioned type, in which each car comprises at least one noise canceling device, the noise canceling device being fixed between the bogie and the intercirculation device, preferably on the chassis of the car.
- Noise reduction devices therefore make it possible to significantly reduce noise inside cars by reducing the propagation of acoustic waves towards the lower part of the intercirculation device, by absorption by the noise canceling device itself and by diffraction at the level of each end of the noise canceling device.
- a rail vehicle 10 according to the invention is shown in the figure 1 .
- the rail vehicle 10 is for example a train.
- the rail vehicle 10 comprises at least a first car 12 and a second car 14 adjacent to each other in a longitudinal direction L.
- the first car 12 and the second car 14 have a width in a direction substantially perpendicular to the longitudinal direction.
- Each car 12, 14 has a front end 16 and a rear end 18.
- Each car 12, 14 comprises chassis 20 and a bogie 22 fixed to the chassis 20.
- the bogie 20 is not common to the two cars 12, 14, that is to say that a bogie 22 is integral with a single car 12, 14.
- Each bogie 20 is for example placed in the vicinity of a of the ends of the car 12, 14.
- each car 12, 14 comprises two bogies 22 each extending in the vicinity of one end of the car 12, 14.
- the vehicle 10 can include any number of cars 12, 14.
- the vehicle 10 comprises at least one intercirculation device 24 connecting the front end 16 of the second car 14 to the rear end 18 of the first car 12.
- the intercirculation device 24 allows the passage of a passenger or a crew member between the first car 12 and the second car 14 and vice versa.
- the vehicle 10 also comprises at least two noise-reduction devices 26 fixed respectively to the chassis 20 of each of the cars 12, 14, between the bogie 22 of each of the cars 12, 14 and the intercirculation device 24.
- the noise reduction devices 26 are respectively fixed to the rear end 18 of the first car 12 and the front end 16 of the second car 14 under the floor of the car 12, 14, that is to say opposite the rails on which the railway vehicle 10 travels.
- the anti-noise devices 26 extend mainly in a direction substantially perpendicular to the longitudinal direction.
- At least one of the noise-reduction devices 26 comprises a face 28 extending substantially in a plane of the rear end 18 of the first car 12 or in a plane of the front end 16 of the second car 14, these planes extending along the direction of elevation and along the width of the rail vehicle 10.
- the noise reduction devices 26 extend over the entire width of the first and second cars 12, 14.
- Each noise reduction device 26 has a dimension in an elevation direction of between 30 cm and 60 cm, for example 50 cm.
- the noise-reduction device 26 comprises a first face 30 fixed to the chassis 20 of the car 12, 14 and a second face 32 substantially perpendicular to the first face 30.
- the noise reduction device 26 is a straight prism with a trapezoidal base. More particularly, the base is a rectangular trapezoid.
- the noise reduction device 26 comprises a third face 34 substantially perpendicular to the second face 32 and substantially parallel to the first face 30.
- the noise reduction device 26 further comprises a bevelled fourth face 36 facing the second face 32, oriented towards the bogie 22. In other words, the fourth face 36 is not not perpendicular to the first face 30 and to the third face 34.
- the noise canceling device 26 is a prism with a triangular base.
- a section of the noise canceling device 26 in a longitudinal plane is a right triangle. The hypotenuse of the right triangle being oriented towards the bogie 22 of the corresponding car 12, 14.
- the noise reduction device 26 has a different shape, guided for example by the maintenance requirements of the rail vehicle 10 or aerodynamic considerations.
- the noise canceling device 26 comprises for example a rigid element, for example made of steel to minimize the costs and guarantee good mechanical performance.
- the noise reduction device 26 comprises a layer of sound absorption material fixed to the rigid element, in order to further improve the noise absorption performance.
- the absorbent material is for example closed cell foam.
- the thickness of the layer of absorbent material is 50 mm.
- the rail vehicle 10 according to the invention is particularly advantageous because it makes it possible to significantly reduce the noise inside the cars 12, 14 by reducing the noise at the level of the intercirculation device 24 from 5 to 25 dB, the reductions maximum noise being obtained with noise canceling devices 26 comprising a layer of absorbent material on their surface.
- noise canceling devices 26 comprising a layer of absorbent material on their surface.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Railway Tracks (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1873230A FR3089932B1 (fr) | 2018-12-18 | 2018-12-18 | Véhicule ferroviaire comprenant au moins deux dispositifs antibruit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3670288A1 true EP3670288A1 (de) | 2020-06-24 |
EP3670288B1 EP3670288B1 (de) | 2021-09-22 |
Family
ID=66676692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19217203.9A Active EP3670288B1 (de) | 2018-12-18 | 2019-12-17 | Schienenfahrzeug, das mindestens zwei lärmschutzvorrichtungen umfasst |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3670288B1 (de) |
ES (1) | ES2897399T3 (de) |
FR (1) | FR3089932B1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111959553A (zh) * | 2020-09-01 | 2020-11-20 | 中车青岛四方机车车辆股份有限公司 | 轨道车辆及其铰接式车体 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2558676A1 (de) * | 1975-12-24 | 1977-07-07 | Wegmann & Co | Laermschutz an schienenfahrzeugen |
DE4419798A1 (de) * | 1994-06-06 | 1995-12-07 | Goerlitz Waggonbau Gmbh | Schallschutz für Fahrzeuge, insbesondere Schienenfahrzeuge |
EP2106983A2 (de) * | 2008-04-02 | 2009-10-07 | Alstom Transport S.A. | Störvorrichtung des unter dem Fahrgestell eines Schienenfahrzeugs zirkulierenden Luftstroms |
CN104401341A (zh) * | 2014-11-19 | 2015-03-11 | 中国北车集团大同电力机车有限责任公司 | 一种铁路用机车的车体后部支撑结构 |
WO2015102231A1 (ko) * | 2013-12-31 | 2015-07-09 | 한국철도기술연구원 | 철도차량용 소음 저감 장치 |
CN103129571B (zh) * | 2011-11-26 | 2015-09-02 | 南车青岛四方机车车辆股份有限公司 | 轨道车辆车端内风挡及其安装与使用方法 |
-
2018
- 2018-12-18 FR FR1873230A patent/FR3089932B1/fr not_active Expired - Fee Related
-
2019
- 2019-12-17 EP EP19217203.9A patent/EP3670288B1/de active Active
- 2019-12-17 ES ES19217203T patent/ES2897399T3/es active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2558676A1 (de) * | 1975-12-24 | 1977-07-07 | Wegmann & Co | Laermschutz an schienenfahrzeugen |
DE4419798A1 (de) * | 1994-06-06 | 1995-12-07 | Goerlitz Waggonbau Gmbh | Schallschutz für Fahrzeuge, insbesondere Schienenfahrzeuge |
EP2106983A2 (de) * | 2008-04-02 | 2009-10-07 | Alstom Transport S.A. | Störvorrichtung des unter dem Fahrgestell eines Schienenfahrzeugs zirkulierenden Luftstroms |
CN103129571B (zh) * | 2011-11-26 | 2015-09-02 | 南车青岛四方机车车辆股份有限公司 | 轨道车辆车端内风挡及其安装与使用方法 |
WO2015102231A1 (ko) * | 2013-12-31 | 2015-07-09 | 한국철도기술연구원 | 철도차량용 소음 저감 장치 |
CN104401341A (zh) * | 2014-11-19 | 2015-03-11 | 中国北车集团大同电力机车有限责任公司 | 一种铁路用机车的车体后部支撑结构 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111959553A (zh) * | 2020-09-01 | 2020-11-20 | 中车青岛四方机车车辆股份有限公司 | 轨道车辆及其铰接式车体 |
Also Published As
Publication number | Publication date |
---|---|
FR3089932B1 (fr) | 2021-01-01 |
ES2897399T3 (es) | 2022-03-01 |
EP3670288B1 (de) | 2021-09-22 |
FR3089932A1 (fr) | 2020-06-19 |
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