EP1228937B1 - Dispositif de guidage des axes d'un vehicule ferroviaire - Google Patents
Dispositif de guidage des axes d'un vehicule ferroviaire Download PDFInfo
- Publication number
- EP1228937B1 EP1228937B1 EP99941663A EP99941663A EP1228937B1 EP 1228937 B1 EP1228937 B1 EP 1228937B1 EP 99941663 A EP99941663 A EP 99941663A EP 99941663 A EP99941663 A EP 99941663A EP 1228937 B1 EP1228937 B1 EP 1228937B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- articulation
- bogie
- fluid
- axles
- cavities
- 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
- 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
- B61F5/38—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles
- B61F5/386—Arrangements or devices for adjusting or allowing self- adjustment of wheel axles or bogies when rounding curves, e.g. sliding axles, swinging axles fluid actuated
Definitions
- the present invention relates to the primary suspension of a railway vehicle, and to the devices for adjusting the positioning relative to the chassis of the axle bogie mounted.
- An axle guiding device of a railway vehicle must be required to have variable longitudinal stiffness enabling it to acquire the optimum value under any operating condition and as a function of the frequency of excitation to which it is subjected: low frequency movements such as those generated when the axle seeks to be placed in a position radial to the curve, the guide must respond with a module with low rigidity; and in the event of high frequency movements such as those generated on the axle when it is traveling at high speed, the guide must have a high rigidity module.
- the variable rigidity characteristic thus determined of the known devices is almost independent of the frequency of the excitations to which the bogie is subjected.
- connection with the sliding surfaces of the articulations on the suspension causes either play which is detrimental to the stability of walking at high speed, or the bending of its parts damaging the socket of the articulation.
- the articulation of the above-mentioned document constitutes a “passive” control articulation with variable rigidity but does not dampen vibrations effectively since its operation depends on the state of the sliding surfaces.
- its fluid chambers are sealed without external fluid supply.
- an articulation with “active” control is required to orient the axles in a radial position, ie each of them must remain perpendicular to the respective tangent of the arc of the curve.
- An example of articulation for an “active” control system is one of those disclosed in EP-A-870664 which has a cylindrical sleeve connected in horizontal arrangement between the axle box and the chassis of the bogie.
- the known articulation is constructed in the form of a socket provided with a central guide rod and two internal chambers filled with a fluid, each of them having an individual external conduit for the supply and the reciprocal extraction of the fluid from an external distribution valve, as a function of time.
- the “active” joint mentioned works as a hydraulic cylinder or cylinder of the control system for the guidance or automatic adjustment of the axles of the bogie when cornering.
- the object of the present invention is to provide a bogie guiding device for a railway vehicle, including an elastic joint for control passive and active control of the suspension of the bogie, which is connected horizontally between the box axle and the bogie chassis, as defined in claim 1.
- An advantage of the guide device according to the invention is that it manages to combine in the bogie suspension the effects specific to a cylinder hydraulic and elastic spring.
- Suspension bogie primary based on the proposed joint provides optimal vehicle behavior when taking a turn and when traveling in a straight line.
- the joint includes a cylindrical metal socket horizontally connected to the axle box and a rod of the joint passing through the bushing which is connected to the bogie chassis.
- the socket has two cavities watertight forming two chambers filled with a fluid hydraulic, arranged symmetrically on both sides of the joint rod in the longitudinal direction of the market.
- the rod can move with the chassis of the bogie in the diametrical direction of the sleeve, namely the direction longitudinal of the walk.
- These two fluid cavities of the joint are in communication through an internal conduit narrow, where the passage of fluid from one chamber to another is dynamically dependent on the frequency of the excitation.
- the hydraulic elastic joint is designed to be mounted on the articulated axle box of the mounted axle without the need for sliding elements between them, and therefore without friction elements, thus avoiding any play in the stability of the walking of the vehicle and the risk of bulging and causing the joint to break.
- the articulation is sensitive to the speed of the vehicle and to the frequency of movements or excitation of the bogie, by adapting its longitudinal stiffness values to the condition of the vehicle running, in a straight line at high speed or almost static in a curve, and because of its horizontal arrangement with respect to the bogie, it is decoupled from its vertical movement and acts only in the two axes of the horizontal plane (X, Y) while also providing a combined effect of rigidity and damping of vibrations in the longitudinal direction.
- the articulation provides an axle guide according to a increasing stiffness modulus with increasing frequency of excitation.
- the joint is duct with a higher rigidity module for high excitation frequencies and has a modulus of very low rigidity for low frequency movements.
- the passage of the fluid of a cavity to another is controlled by the own deformation of walls, which is proportional to the stress longitudinal of the joint, and by the diameter and the length of intercommunication path.
- the fluid cavities seek to hold the rod the articulation fixed to the chassis of the bogie, thus giving to the device great longitudinal rigidity.
- the joint can also be used as an element elastic of the active guidance system of the bogie.
- This articulation provides longitudinal rigidity to the guide axle and allows controlled longitudinal movement of the articulation rod relative to the fixed socket to the axle box. This last effect is obtained by properly filling / draining the fluid from both chambers of the joint from the outside. For his functioning as a cylinder, filling / emptying of cavities is controlled by a distribution valve of external fluid, through an individual conduit of each cavity, in response to an axle guide unit.
- an embodiment of the guiding device 1,8,9,10,12 for axles mounted on a rail vehicle includes several joints 1 hydraulic elastics whose structure is shown on Figures 1-3 and which are each connected in horizontal arrangement between the chassis 8 of the bogie and a box 9 of articulated axles 9 ( Figures 4-7).
- a articulation 1 of guide comprises a bush 1a cylindrical with a metal carcass 16 which is fixed to a box 9 of axles, and a rod 2 of the articulation which is connected to a fork-shaped attachment 8 of the bogie frame (Fig. 5)
- Rod 2 crosses a wide opening 1b at each end of the socket, which allows an eccentric displacement "x" of the rod 2 by the articulation towards one or the other wall 16 of the sleeve 1a, when it follows the relative movements of the chassis 8 in the longitudinal direction X with respect to the axles mounted 12 and also in the transverse direction Y.
- a spring 17 is mounted on the bogie (fig. 4) arranged vertically on each axle box 9 and decoupled from the guide device.
- the socket has two cavities inside 5.6 filled with fluid, forming two chambers, one of each side of the rod 2 relative to the diameter of the sleeve 1a, connected together through an internal conduit 4, and the hydraulic fluid can therefore flow from one chamber to the other.
- the cavities 5,6 have been molded and soaked in a body 3 elastomer and are respectively formed from the walls 5a, 6a vulcanized power stations around the rod 2 in contact with her.
- the cavities 5,6 can deform in the direction X (fig. 3), thus moving rod 2 by relative to the carcass 16 of the socket.
- the displacement "x" relative between rod 2 and socket la is notably more pronounced in bogie 8 movements at low excitation frequency, effective transmission of the fluid occurring from one cavity 5 to another cavity 6 or vice vice versa, depending on the sign of displacement "x" of the axle 12 required.
- these cavities 5.6 are completely filled of a fluid, the controlled passage of fluid from a cavity 5.6 to the other through a narrow calibrated conduit 4 gives articulation 1 a damping effect which, in combination with that provided by the walls 5a, 6a made of elastomer deformable, makes the joint acquire a modulus of adequate longitudinal rigidity which will be for movements at high frequency a high rigidity module and for quasi static or low frequency movements a module of low rigidity.
- the internal conduit 4 of communication between the cavities 5 and 6 of fluid (fig. 1) is a perforation with a diameter "Dp" of 0.5 to 6 mm, the latter being carried out on the rod 2 as a function of the amortization sought by joint 1 on the plan horizontal X, Y.
- the length of the perforated conduit 4 is "Lp" equivalent to the diameter of the rod 2.
- Such a internal intercommunication channel 4 is advantageous over a tube or rigid pipe type external conduit incorporated in the socket of the joint, since it is not exposed to impacts, deformations or friction caused by external agents and does not require connections by junctions responsible for brittleness and fluid losses compromising reliability.
- FIGS 6 and 7 show a guide device 1,8,9,10,12 with four identical articulations 1 operating as an articulation-jack 10 for automatic adjustment of the two axles mounted 12 in a radial position at the curve.
- Each articulation 1 is connected to each axle box 9 of a bogie with two axles mounted 12.
- each side member 8 of a two-axle bogie 12 includes two cylinder joints 10 in series, supplied with hydraulic fluid in a controlled manner by a valve 13 distribution or similar common, from a line hydraulic supply P (pressure line), T (return to the tank).
- Each of the cavities 5.6 has respectively a supply pipe 7 from the valve 13, produced according to an axial perforation inside the rod 2 and which is connected to an opening 20, 21 corresponding on the walls 5a, 6a of the cavities.
- the conduit 7 for each cavity 5.6 is also used initially for filling the cavities 5,6 with fluid.
- the articulation-cylinder 1 behaves both as a hydraulic cylinder 10 and as an elastic spring 11, 15 with longitudinal stiffness 15 and transverse stiffness 11.
- the joint 1 functions as a spring to stiffness Kx1 in the longitudinal direction and Ky1 in the direction transverse.
- the guide device supplied by two distribution valves 13 ensures such a relative displacement “d” between the axle box 9 and the chassis 8 that the axles 12 are positioned in the radial direction to the curve.
Description
- les ressorts et amortisseurs verticaux pour la répartition équilibrée de la charge verticale sur les roues d'un même bogie ;
- un dispositif de guidage qui agit sur un plan horizontal (X,Y) formé par les axes longitudinal (X) et transversal (Y) par rapport à la marche du véhicule et qui, en plus d'assurer la connexion entre le bogie et les essieux, a pour mission de guider les essieux sur la voie, de transmettre les efforts de traction et de freinage et de stabiliser la marche du véhicule.
L'articulation est sensible à la vitesse du véhicule et à la fréquence des mouvements ou excitation du bogie, en adaptant ses valeurs de rigidité longitudinale à la condition de la marche du véhicule, en ligne droite à grande vitesse ou quasi statique en courbe, et du fait de sa disposition horizontale par rapport au bogie, elle est découplée de son mouvement vertical et agit uniquement dans les deux axes du plan horizontal (X,Y) en procurant en plus un effet combiné de rigidité et d'amortissement des vibrations dans la direction longitudinale.
Claims (5)
- Dispositif de guidage des essieux d'un bogie d'un véhicule ferroviaire, comprenant au moins une articulation (1) du type élastique hydraulique raccordée selon un axe horizontal (plan X, Y) entre une boite (9) d'essieux de chaque essieu monté (12) et le châssis (8) du bogie, l'articulation (1) étant actionnée par un contrôle actif de la suspension primaire du bogie pour le positionnement radial des essieux (12) relatif à une courbe (R) de la voie et agissant comme un cylindre hydraulique (10), l'articulation (1) comprenant une douille (1a) cylindrique contenant un corps (3) en élastomère et présentant deux cavités (5, 6) remplies d'un fluide hydraulique, le corps (3) entourant une tige (2) centrale raccordée au châssis du bogie (8), les cavités (5,6) étant alimentées en fluide à travers un conduit (7) respectif interne de l'articulation (1) depuis une source extérieure (13,P,T) de distribution, pour le déplacement de la tige (2) dans la direction X longitudinal de la marche, vers un côté ou l'autre diamétralement opposé de la douille (1a), caractérisé en ce que l'articulation (1, 10) présente entre les deux cavités (5, 6) un conduit (4) intermèdiaire pour la transmission contrôlée du fluide entre elles, les déplacements longitudinaux (X) relatifs de la tige (2) par rapport à l'articulation produisant la deformation des cavités (5, 6), le passage contrôlé du fluide de l'une à l'autre ayant lieu par le conduit (4) intermèdiaire, de manière à procurer un effet amortisseur des mouvements dans la direction longitudinale (X) du bogie et à obtenir l'adaptation des valeurs de rigidité (11,15) de la suspension du bogie (8) correspondant aux deux conditions de marche du véhicule, sur voie droite et en courbe, en fonction de la fréquence de l'excitation.
- Dispositif de guidage des essieux d'un bogie selon la revendication 1 où les cavités (5,6) en élastomère sont construites par vulcanisation avec une paroi (5a,6a) autour de la tige (2) en contact avec elle, cette paroi (5a, 5b) pouvant se déformer par l'intermédiaire de la variation de la pression du fluide à l'intérieur de la cavité (5,6).
- Dispositif de guidage des essieux d'un bogie selon la revendication 1, où le conduit (4) interne de transmission contrôlée du fluide entre les deux cavités (5,6) d'une articulation (1) comprend un trou (4) perforé à travers la tige (2) de l'articulation, ayant un diamètre (Dp) calibré et une longueur (Lp) préétablie, en fonction de l'amortissement recherché pour le mouvement longitudinal (X).
- Dispositif de guidage des essieux d'un bogie selon quelconque des revendications précédentes où le conduit (4) interne de transmission du fluide entre les deux cavités (5,6) d'une articulation a un diamètre (Dp) de 0,5-6 mm et une longueur (Lp) de 60-120 mm.
- Dispositif de guidage des essieux d'un bogie selon la revendication 1 où ces conduits (7) d'alimentation en fluide extérieur de chaque cavité (5,6) d'une articulation comprennent une perforation (7) usinée axialement à travers la tige (2) de l'articulation.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/ES1999/000281 WO2001015954A1 (fr) | 1999-08-31 | 1999-08-31 | Dispositif de guidage des axes d'un vehicule ferroviaire |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1228937A1 EP1228937A1 (fr) | 2002-08-07 |
EP1228937B1 true EP1228937B1 (fr) | 2004-09-22 |
Family
ID=8307286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99941663A Expired - Lifetime EP1228937B1 (fr) | 1999-08-31 | 1999-08-31 | Dispositif de guidage des axes d'un vehicule ferroviaire |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1228937B1 (fr) |
AT (1) | ATE276909T1 (fr) |
DE (1) | DE69920527T2 (fr) |
DK (1) | DK1228937T3 (fr) |
ES (1) | ES2228090T3 (fr) |
PT (1) | PT1228937E (fr) |
WO (1) | WO2001015954A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2353961A1 (fr) * | 2010-02-01 | 2011-08-10 | Stadler Bussnang AG | Bogie pour un véhicule sur rail |
RU2542851C2 (ru) * | 2012-12-14 | 2015-02-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Елецкий государственный университет им. И.А. Бунина" | Тележка тепловоза |
DE102013224582A1 (de) | 2013-11-29 | 2015-06-03 | Siemens Aktiengesellschaft | Fahrwerk für ein Schienenfahrzeug |
RU2553401C1 (ru) * | 2014-03-18 | 2015-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Елецкий государственный университет им. И.А. Бунина" | Колёсно-моторный блок тепловоза |
RU2654429C1 (ru) * | 2014-07-18 | 2018-05-17 | Сименс Акциенгезелльшафт | Ходовая часть рельсового транспортного средства |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10310633A1 (de) * | 2003-03-10 | 2004-09-30 | Carl Freudenberg Kg | Buchse für ein Lager zur elastischen Verbindung von Teilen eines Laufwerks |
DE10310634A1 (de) * | 2003-03-10 | 2004-09-30 | Carl Freudenberg Kg | Achslenkerlager |
CN102407861A (zh) * | 2011-10-14 | 2012-04-11 | 同济大学 | 机械式半主动铁道车辆转向架径向导向装置 |
DE102013103827A1 (de) | 2013-04-16 | 2014-10-16 | Bombardier Transportation Gmbh | Fahrwerk mit quergekoppelten Radeinheiten |
DE102014003506A1 (de) * | 2014-03-14 | 2015-09-17 | Carl Freudenberg Kg | Hydrobuchsenanordnung |
EP3205549A1 (fr) | 2016-02-15 | 2017-08-16 | Bombardier Transportation GmbH | Ensemble guide d'essieu de roue avec des convertisseurs hydromécaniques longitudinaux et train de roulement associé |
AT518973B1 (de) * | 2016-03-17 | 2021-06-15 | Siemens Mobility Austria Gmbh | Fahrwerk für ein Schienenfahrzeug |
AT519394B1 (de) * | 2016-11-24 | 2023-01-15 | Siemens Mobility Austria Gmbh | Radsteuerungsanordnung für ein Fahrwerk |
CN108372867B (zh) * | 2018-04-09 | 2019-07-12 | 西南交通大学 | 一种径向转向架迫导向机构 |
GB2579344B (en) * | 2018-11-05 | 2021-04-07 | Bombardier Transp Gmbh | Rail vehicle wheel axle guiding assembly with load-dependent pressurising means |
AT524029B1 (de) * | 2020-09-30 | 2022-02-15 | Siemens Mobility Austria Gmbh | Elastikelement und Fahrwerk |
DE102020216069A1 (de) | 2020-12-16 | 2022-06-23 | Siemens Mobility GmbH | Anordnung zur Übertragung von Längskräften bei einem Schienenfahrzeug |
DE102020216073A1 (de) | 2020-12-16 | 2022-06-23 | Siemens Mobility GmbH | Anordnung zur Übertragung von Längskräften bei einem Schienenfahrzeug |
AT525480A1 (de) * | 2021-09-23 | 2023-04-15 | Siemens Mobility Austria Gmbh | Versorgungsanschluss für eine Radlenkvorrichtung, Radlenkvorrichtung für ein Fahrwerk und Fahrwerk |
CN113931051B (zh) * | 2021-12-07 | 2023-04-28 | 绿城体育集团股份有限公司 | 一种防偏差的塑胶跑道划线装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1273155A (fr) * | 1959-11-11 | 1961-10-06 | Maschf Augsburg Nuernberg Ag | Dispositif pour inscrire dans les courbes les bogies à un ou plusieurs essieux des véhicules ferroviaires |
DE3123858A1 (de) * | 1981-06-16 | 1982-12-30 | Fried. Krupp Gmbh, 4300 Essen | Laufwerk fuer ein schienenfahrzeug |
DE3331559A1 (de) * | 1983-09-01 | 1985-03-28 | Thyssen Industrie Ag, 4300 Essen | Achssteuerung fuer schienenfahrzeuge |
JPS62101575A (ja) * | 1985-10-28 | 1987-05-12 | 川崎重工業株式会社 | 鉄道用台車 |
DE3706180A1 (de) * | 1987-02-26 | 1988-09-08 | Messerschmitt Boelkow Blohm | Fahrwerk fuer ein schienenfahrzeug |
FR2624081A1 (fr) * | 1987-12-03 | 1989-06-09 | Alsthom | Vehicule a essieux orientables |
DE4240098A1 (de) * | 1992-11-28 | 1994-06-01 | Krupp Verkehrstechnik Gmbh | Fahrwerk für Schienenfahrzeuge |
AT407140B (de) * | 1993-11-26 | 2000-12-27 | Integral Verkehrstechnik Ag | Einrichtung zur steuerung eines rades, insbesondere eines radsatzes eines schienenfahrzeuges |
DE4343608C2 (de) * | 1993-12-16 | 1995-10-12 | Rexroth Mannesmann Gmbh | Anordnung zur Übertragung von Bewegungen und Kräften zwischen Bauteilen insbesondere von Schienenfahrzeugen |
DE19715148A1 (de) * | 1997-04-11 | 1998-10-15 | Deutsche Waggonbau Ag | Verfahren und Einrichtung zur Radsatzführung von Schienenfahrzeugen |
-
1999
- 1999-08-31 PT PT99941663T patent/PT1228937E/pt unknown
- 1999-08-31 ES ES99941663T patent/ES2228090T3/es not_active Expired - Lifetime
- 1999-08-31 WO PCT/ES1999/000281 patent/WO2001015954A1/fr active IP Right Grant
- 1999-08-31 DK DK99941663T patent/DK1228937T3/da active
- 1999-08-31 DE DE69920527T patent/DE69920527T2/de not_active Expired - Lifetime
- 1999-08-31 EP EP99941663A patent/EP1228937B1/fr not_active Expired - Lifetime
- 1999-08-31 AT AT99941663T patent/ATE276909T1/de active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2353961A1 (fr) * | 2010-02-01 | 2011-08-10 | Stadler Bussnang AG | Bogie pour un véhicule sur rail |
RU2542851C2 (ru) * | 2012-12-14 | 2015-02-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Елецкий государственный университет им. И.А. Бунина" | Тележка тепловоза |
DE102013224582A1 (de) | 2013-11-29 | 2015-06-03 | Siemens Aktiengesellschaft | Fahrwerk für ein Schienenfahrzeug |
RU2553401C1 (ru) * | 2014-03-18 | 2015-06-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Елецкий государственный университет им. И.А. Бунина" | Колёсно-моторный блок тепловоза |
RU2654429C1 (ru) * | 2014-07-18 | 2018-05-17 | Сименс Акциенгезелльшафт | Ходовая часть рельсового транспортного средства |
Also Published As
Publication number | Publication date |
---|---|
ATE276909T1 (de) | 2004-10-15 |
WO2001015954A1 (fr) | 2001-03-08 |
DE69920527T2 (de) | 2005-09-29 |
DE69920527D1 (de) | 2004-10-28 |
DK1228937T3 (da) | 2005-01-24 |
ES2228090T3 (es) | 2005-04-01 |
EP1228937A1 (fr) | 2002-08-07 |
PT1228937E (pt) | 2005-02-28 |
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