EP2822833A1 - Dispositif de pendulation permettant de reprendre les efforts transversaux et longitudinaux - Google Patents
Dispositif de pendulation permettant de reprendre les efforts transversaux et longitudinauxInfo
- Publication number
- EP2822833A1 EP2822833A1 EP13708133.7A EP13708133A EP2822833A1 EP 2822833 A1 EP2822833 A1 EP 2822833A1 EP 13708133 A EP13708133 A EP 13708133A EP 2822833 A1 EP2822833 A1 EP 2822833A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- axis
- cross member
- axes
- bogie
- tilting
- 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
- 238000005096 rolling process Methods 0.000 claims abstract description 18
- 230000000284 resting effect Effects 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims description 12
- 238000011084 recovery Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000725 suspension 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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
-
- 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
- B61F5/04—Bolster supports or mountings
- B61F5/10—Bolster supports or mountings incorporating fluid springs
Definitions
- Tilt device for taking up transverse and longitudinal forces
- the present invention relates to a device for tilting the body of a rail vehicle relative to a bogie of said railway vehicle, of the type comprising a tilting cross member intended to be integral in motion of the rail vehicle body and two axes extending substantially longitudinally, each axis being rotatably mounted about a substantially longitudinal axis in at least one bearing, intended to be integral in motion of the bogie, the tilting cross member comprising two rolling tracks, extending substantially transversely, arranged each on one of said axes so that the cross member is adapted to move in a direction substantially transverse to said axes.
- the invention also relates to a railway vehicle comprising such a tilting device.
- a pendular railway vehicle, or pendulum train is a vehicle whose body can tilt over the bogies on which it rests in order to compensate for the effects of centrifugal force on passengers when the railway vehicle takes curves on the path that it performs. .
- Such a system makes it possible to increase the speed of the rail vehicle while cornering while preserving the comfort of the passengers, who do not feel the effects of the centrifugal force due to passing through the bends due to the tilting of the body in these bends.
- Such a railway vehicle comprises a device for tilting the body which is interposed between the bogies on which the body rests and the body.
- the tilting device conventionally comprises a tilting beam extending under the body and resting on rollers rotatably mounted on the bogie so that the beam can "roll” on the rollers so as to tilt the body relative to to the bogie.
- Means for actuating the displacement of the cross member for example a jack, are provided between the bogie and the cross member and are arranged to cause the crossbar to move on the rollers in the transverse direction when the vehicle imprints a curve so as to tilting the box towards the inside of the curve by an angle adapted to the radius of curvature of the turn and the speed of the railway vehicle.
- the rollers are used to resume the forces in the transverse direction and roll of the tilting cross member and therefore the body relative to the bogie.
- This recovery device is formed by two connecting rods drive extending substantially longitudinally between the tilting beam and the bogie and arranged to absorb the forces in the longitudinal direction while allowing the movement of the cross member relative to the bogie in the transverse direction.
- Such a recovery device is therefore complex and bulky and prevents the installation of traction motors in the bogie.
- One of the aims of the invention is to overcome this drawback by proposing a tilting device to resume the longitudinal forces without requiring the addition of a separate recovery device.
- each axis comprises at each of its longitudinal end portions a substantially frustoconical section, whose large base extends towards the longitudinal end of the axis and the small base extends inwardly of the axis, each runway of the crossbar comprising two inclined sections, respectively resting on one of the frustoconical sections of the axis on which said runway rests.
- the particular shape of the axes and rolling tracks not only makes it possible to take up the transverse and roll forces, in a conventional manner, but also to take up the longitudinal forces by allowing the forces to be absorbed in the longitudinal direction because of the inclination according to the longitudinal direction. this direction of the axes and inclined sections. Indeed, this particular form allows a sliding of the cross member on the axes in the longitudinal direction while ensuring a stability of the cross on these axes. Thus, it is not necessary to install an additional recovery device, which frees up space in this bogie, thus allowing the installation of traction motors for example.
- each inclined section has a curved shape in the longitudinal direction, said curved shape being such that one of the inclined sections rests on the corresponding frustoconical section in a contact zone in which the diameter of said frustoconical section is equal to the diameter of the other section frustoconical in the contact zone between said other frustoconical section and the other inclined section;
- the angle of inclination of the frustoconical sections relative to the axis of rotation of the axis comprising said frustoconical sections is substantially between 0 ° and 20 °;
- the angle of inclination of the sections inclined relative to the transverse direction is substantially between 25 ° and 40; -
- Each axis is rotatably mounted in two bearings, each bearing receiving a longitudinal end of the axis so that the large bases of the frustoconical sections each extend opposite a bearing;
- the shape of the axes is inclined sections are adapted to resume the longitudinal forces exerted between the cross member and the axes allowing movement in the longitudinal direction of the cross on the axes between 2 to 10mm;
- the tilting crosshead is movable between a rest position, in which the center of the rolling tracks rests on the axes, and two extreme inclined positions, in which one end of a raceway rests on one axis and the other end of the other runway rests on the other axis;
- the tilting device comprises means for actuating the movement of the cross member on the axes, said means being arranged to move the cross member according to the curves taken by the rail vehicle during its circulation;
- the actuating means comprise a jack, whose body is intended to be integral with the bogie and whose rod, movable in translation relative to the body, is secured to the cross member, the displacement of the rod relative to the body causing the moving the crossbar on the axes.
- the invention also relates to a rail vehicle comprising a vehicle body and at least one bogie, the body being mounted on the bogie by means of a tilting device as described above, the tilting cross member of the device being solidaire in motion of the rail vehicle body and the bearing of the device being secured in movement of the bogie.
- the bogie comprises at least one abutment element extending opposite the tilting cross member in the longitudinal direction, said cross member abutting against said element in case of force greater than a predetermined threshold applied in the longitudinal direction on the transom or the bogie.
- FIG. 1 is a schematic representation of a railway vehicle comprising a tilting device
- FIG. 2 is a schematic representation of a tilting device according to the invention, the cross member being in a rest position
- FIG. 3 is a schematic representation of the tilting device of FIG. 2, the crossmember being in an extreme inclined position
- FIG. 4 is a diagrammatic representation in perspective of an axis of the tilting device according to the invention.
- FIG. 5 is a diagrammatic representation in perspective of one end of the tilting beam resting on the axis of FIG. 4
- FIG. 6 is a diagrammatic representation in section of the axis of FIG. 4 and the end of the tilting beam resting on said axis, the cross member being centered on the axis in the longitudinal direction, and
- FIG. 7 is a diagrammatic representation in section of the axis of FIG. 6, the cross member being offset on the axis in the longitudinal direction.
- the term “longitudinal” is defined according to the rolling direction of the railway vehicle, that is to say according to the direction in which the rails on which the railway vehicle is traveling extend.
- the term “transverse” is defined in the horizontal direction perpendicular to the longitudinal direction, that is to say in the direction of spacing of the rails on which the railway vehicle circulates.
- a rail vehicle 1 comprising at least one body 2 and a bogie 4 carrying the wheels of the railway vehicle and on which the body 2 is mounted.
- railway vehicle we mean both a car and a set of cars articulated together.
- Each car comprises a box 2 defining the passenger reception space mounted on at least one bogie 4, generally on two bogies 4.
- the bogie 4 is conventional and will not be described in detail here.
- the body 2 is mounted on the bogie 4 by means of a tilting device 6 for tilting the body 2 in a controlled manner relative to the bogie 4 when the railway vehicle takes a turn.
- the tilting device 6 mainly comprises a tilting crossbeam 8, at least two axes 10 on which the crossmember 8 rests and actuating means 12 of the displacement of the crossbeam 8 on the axes 10.
- the tilting beam 8 extends mainly in the transverse direction T under all or part of the width of the box 2 and is integral in movement thereof. Solidaire in motion means that the body 2 moves with the cross 8 in the same movement.
- the cross member 8 is for example connected to the body 2 by suspension elements 14 arranged to take up the forces in a direction Z substantially perpendicular to the plane defined by the longitudinal direction L and the transverse direction T, that is to say according to the vertical direction when the body 2 is not tilted.
- the lower surface 16 of the cross member 8, which extends opposite the bogie 4 has transverse ends 18 inclined towards the body 2, forming an angle ⁇ substantially between 25 ° and 40 ° with the transverse direction, as shown in FIG. Figs. 2 and 3. Each transverse end 18 forms a rolling track, which will be described later, on the axes 10. Therefore, the crossbar 8 is disposed on the axes 10 so that the rolling tracks each rest on one of the axes 10 .
- the axes 10, or rollers, extend substantially longitudinally respectively in the vicinity of one of the transverse ends of the bogie 4, that is to say that the axes 10 are spaced apart from each other in the transverse direction T
- Each axle 10 is rotatably mounted about a longitudinal axis A in two bearings 20 integral in motion with the bogie 4, as shown in FIGS. 4 and 5.
- Each axis 10 extends longitudinally between two bearings 20, which each receive one of the longitudinal ends of the axis 10.
- Each bearing 20 contains bearings, allowing the end of the axis that it receives to turn inside the bearing, and is adapted to take up longitudinal forces.
- Each axis 10 comprises at each of its longitudinal end portions, adjacent the ends received in the bearings 20, a substantially frustoconical section, called frustoconical section 22 and shown in FIGS. 4 and 5.
- Each frustoconical section 22 extends between a large base 24, extending towards the longitudinal end of the axis and disposed against the bearing 20, and a small base 26 extending inwardly of the
- the two small bases 26 of the two frustoconical sections 22 of each axis 10 extend one opposite the other and are separated from each other by a central portion 28 having the form of a cylinder of revolution.
- each frustoconical section 22 extend radially about the axis A so that the outer wall of each frustoconical section 22 forms a slope p in the longitudinal direction from the large base to the small base, that is to say a slope inclined towards the central portion 28 of the axis 10.
- the slope p is such that each frustoconical section 22 forms an angle ⁇ substantially between 0 ° and 20 ° with the axis A of the axis 10, as shown on FIG. 6.
- each axis 10 schematically shows the shape of a diabolo.
- Each raceway formed by a transverse end 18 of the crosspiece 8 is formed of two inclined sections 30, respectively resting on one of the frustoconical sections of the axis 10 on which this raceway rests, as shown in FIGS. 5 and 6.
- Each inclined section 30 has a curvilinear shape p 'in the longitudinal direction tangent to the slope p of the frustoconical section 22 on which this inclined section 30 rests, as shown in FIGS. 6 and 7.
- the form p ' is such that one of the inclined sections 30 rests on a contact zone 31 of the corresponding frustoconical section 22 in which the diameter of the frustoconical section 22 is equal to the diameter of the contact zone 31 of the other frustoconical section 22 on which rests the other inclined portion 30, as shown in Figs. 6 and 7.
- the tilting cross member 8 is therefore able to move in the direction transverse to the bogie 4 by "rolling" the axes 10 on the raceways. More particularly, the crosspiece 8 is able to swing in rotation about a longitudinal axis substantially corresponding to the longitudinal axis of the railway vehicle in a plane defined by the transverse directions T and vertical Z.
- the cross member 8 is thus movable between a position rest, shown in FIG. 2, in which the center of the rolling tracks rests on the axes 10 and in which the body 2 extends substantially vertically and parallel to the rails on which the rail vehicle is traveling, and two extreme inclined positions, one of which is shown in FIG. .
- the body 2 is inclined relative to the bogie 4.
- the outer end portion of one of the rolling tracks rests on one of the axes 10 while the inner end portion of the Another running track rests on the other axis 10 and in the other extreme inclined position, the inner end portion of the raceway rests on the axis 10 while the outer end portion of the other raceway rests on the other axis 10.
- the cross 8 and therefore the body 2 are able to tilt in one direction or another relative to the bogie 4 depending on the direction of the turn taken by the rail vehicle.
- the actuating means 12 make it possible to control this tilting of the cross member 8 as a function of the circulation of the railway vehicle.
- the control system controlling the actuating means 12 will not be described in detail here, since this system is known and is conventional for pendular trains.
- the actuating means 12 comprise for example a jack 32, whose body 34 is integral with the bogie 4 and whose rod 36 is integral with the cross member 8, the rod 36 being movable in translation in the body 34. It is therefore understood that by controlling the displacement of the rod 36 relative to the body 34, it causes the displacement of the cross member 8 relative to the bogie 4 by rolling the pins 10 on the raceways.
- the crosspiece 8 moves towards one of its inclined extreme positions, as is understood by comparing FIG. 2 and FIG. 3, and pulling the rod 36 in the body 34, the cross 8 moves to the other of its extreme inclined positions, through the rest position.
- the tilting device described above makes it possible conventionally to take up the transverse and rolling forces between the body 2 and the bogie 4 because of the possibility for the crossmember 8 to move relative to the bogie 4.
- the tilting device also makes it possible to take up the longitudinal forces due to the particular shape of the shafts 10 and the rolling tracks comprising inclined sections 30.
- the diabolo shape of the shafts 10 allows slips of the inclined sections 30 to the frustoconical sections 22 corresponding in the longitudinal direction and thus a sliding of the cross member 8 on the axes 10 in the longitudinal direction L, thus allowing the recovery of longitudinal forces.
- the curved shape of the inclined sections 30 is adapted so that the contact zone 31 between each inclined section 30 and each frustoconical section 22 is at a constant diameter.
- the crosspiece 8 is centered on an axis 10.
- the diameter of the frustoconical sections 22 is di, this diameter being the same for each frustoconical section 22.
- the crossbar 8 has been moved longitudinally with respect to the axes, for example following a traction force or a braking.
- the diameter of the frustoconical sections 22 is d 2 , different from di but this diameter being the same for each frustoconical section 22.
- This capacity of the transom 8 to move in the longitudinal direction, although this displacement is not desired but inevitable in case of longitudinal forces, while resting on zones of axes 10 whose diameter is identical allows to absorb the forces in the longitudinal direction while maintaining the stability of the cross member 8 on the axes 10 and thus allowing a stable tilting of the cross member 8 on the axes 10 in the transverse direction T, that is to say that the cross member 8 retains the desired swing kinematics.
- the tilting device is adapted to take up the longitudinal forces due to the traction of the railway vehicle or braking thereof without the need to add an additional force recovery device, such as the connecting rod system of the prior art.
- This frees space in the bogie 4, which can, therefore, be more easily motorized.
- the mounting of the tilting device is greatly facilitated since it does not require the installation of an additional recovery device.
- a stop device is provided between the cross member 8 and the bogie 4 , allowing to "shunt" the recovery of the longitudinal forces by the tilting device 1.
- abutment elements integral with the bogie 4 are arranged on either side of the cross member 8 facing it in the longitudinal direction so that the cross member 8 abuts against the one of these elements in case of violent impact in the longitudinal direction.
- the shape of the axes 10 and inclined sections 30 is adapted to allow for a longitudinal displacement of the cross member 8 on the axes 10 between 2 mm 10 mm. Beyond 10 mm, the cross member 8 comes into contact with one of the abutment elements.
- a pendular railway vehicle is thus obtained whose comfort and safety are improved by reducing the number of components required between the bogie 4 and the body 2, which facilitates the motorization of the bogies 4 and thus improves the traction of the railway vehicle.
- the tilting device 6 described above can be installed between all the bogies of the railway vehicle and the corresponding box or cases, whether the bogies are bogies (non-motorized) or motorized (motorized).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
- Forging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1252065A FR2987801B1 (fr) | 2012-03-07 | 2012-03-07 | Dispositif de pendulation permettant de reprendre les efforts transversaux et longitudinaux |
PCT/EP2013/054395 WO2013131910A1 (fr) | 2012-03-07 | 2013-03-05 | Dispositif de pendulation permettant de reprendre les efforts transversaux et longitudinaux |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2822833A1 true EP2822833A1 (fr) | 2015-01-14 |
EP2822833B1 EP2822833B1 (fr) | 2019-05-08 |
Family
ID=47843269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13708133.7A Active EP2822833B1 (fr) | 2012-03-07 | 2013-03-05 | Dispositif de pendulation permettant de reprendre les efforts transversaux et longitudinaux |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2822833B1 (fr) |
CN (1) | CN104203709B (fr) |
ES (1) | ES2740647T3 (fr) |
FR (1) | FR2987801B1 (fr) |
RU (1) | RU2573192C1 (fr) |
WO (1) | WO2013131910A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2628629C1 (ru) * | 2016-07-11 | 2017-08-21 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" (Госкорпорация "Росатом") | Тележка рельсовая |
PL235880B1 (pl) * | 2018-10-30 | 2020-11-02 | Hyper Poland Spolka Z Ograniczona Odpowiedzialnoscia | System półaktywnej kompensacji przeciążeń bocznych w pojazdach mechanicznych |
RU2758524C1 (ru) * | 2020-10-27 | 2021-10-29 | Евгений Андреевич Алепин | Многоосный вагон |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1440295A (fr) * | 1964-06-16 | 1966-05-27 | Appareil de stabilisation pour véhicule sur roues et, en particulier, pour voiture de chemin de fer | |
JPS59143760A (ja) * | 1983-02-02 | 1984-08-17 | 財団法人鉄道総合技術研究所 | 鉄道車両用振子式台車 |
JPH0238177A (ja) * | 1988-07-29 | 1990-02-07 | Hitachi Ltd | 鉄道車両用振子台車 |
JPH07115635B2 (ja) * | 1990-03-19 | 1995-12-13 | 株式会社日立製作所 | 鉄道車両用振り子台車 |
JPH04201670A (ja) * | 1990-11-30 | 1992-07-22 | Hitachi Ltd | 鉄道車両用振子式台車 |
JPH05208674A (ja) * | 1992-01-31 | 1993-08-20 | Ntn Corp | 鉄道車両の振り子装置 |
JP2871390B2 (ja) * | 1993-05-20 | 1999-03-17 | 株式会社日立製作所 | 鉄道車両用ボルスタレス振子台車 |
JP3920949B2 (ja) * | 1996-07-16 | 2007-05-30 | 日本車輌製造株式会社 | 鉄道車両用振子装置 |
JP4582897B2 (ja) * | 2000-11-22 | 2010-11-17 | 新潟トランシス株式会社 | 鉄道車両用振子台車 |
JP2009137422A (ja) * | 2007-12-06 | 2009-06-25 | Kayaba Ind Co Ltd | アクチュエータ |
-
2012
- 2012-03-07 FR FR1252065A patent/FR2987801B1/fr not_active Expired - Fee Related
-
2013
- 2013-03-05 EP EP13708133.7A patent/EP2822833B1/fr active Active
- 2013-03-05 WO PCT/EP2013/054395 patent/WO2013131910A1/fr active Application Filing
- 2013-03-05 CN CN201380012696.3A patent/CN104203709B/zh active Active
- 2013-03-05 ES ES13708133T patent/ES2740647T3/es active Active
- 2013-03-05 RU RU2014140295/11A patent/RU2573192C1/ru active
Non-Patent Citations (1)
Title |
---|
See references of WO2013131910A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2987801A1 (fr) | 2013-09-13 |
FR2987801B1 (fr) | 2014-04-18 |
WO2013131910A1 (fr) | 2013-09-12 |
RU2573192C1 (ru) | 2016-01-20 |
CN104203709B (zh) | 2017-07-14 |
EP2822833B1 (fr) | 2019-05-08 |
CN104203709A (zh) | 2014-12-10 |
ES2740647T3 (es) | 2020-02-06 |
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