EP2754599B1 - Railway bogie provided with a movable electromagnetic driving or braking means - Google Patents

Railway bogie provided with a movable electromagnetic driving or braking means Download PDF

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Publication number
EP2754599B1
EP2754599B1 EP13150573.7A EP13150573A EP2754599B1 EP 2754599 B1 EP2754599 B1 EP 2754599B1 EP 13150573 A EP13150573 A EP 13150573A EP 2754599 B1 EP2754599 B1 EP 2754599B1
Authority
EP
European Patent Office
Prior art keywords
bogie
actuator
bogie frame
railway
linkage
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.)
Active
Application number
EP13150573.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2754599A1 (en
Inventor
Dominique Morel
Frederik Allert
Christian Carpentier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alstom Transportation Germany GmbH
Original Assignee
Bombardier Transportation GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bombardier Transportation GmbH filed Critical Bombardier Transportation GmbH
Priority to DK13150573.7T priority Critical patent/DK2754599T3/en
Priority to EP13150573.7A priority patent/EP2754599B1/en
Priority to SI201330215A priority patent/SI2754599T1/sl
Publication of EP2754599A1 publication Critical patent/EP2754599A1/en
Application granted granted Critical
Publication of EP2754599B1 publication Critical patent/EP2754599B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H7/00—Brakes with braking members co-operating with the track
    • B61H7/02—Scotch blocks, skids, or like track-engaging shoes
    • B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
    • B61H7/06—Skids
    • B61H7/08—Skids electromagnetically operated
    • B61H7/086—Suspensions therefor

Definitions

  • This invention relates to a railway bogie provided with an electromagnetic driving and/or braking means, which cooperates with a rail on the track. It relates in particular to an arrangement for moving the electromagnetic driving and/or braking means between an upper standby position and a lower, operational position.
  • a railway bogie with a suspension system for an electromagnetic linear brake is disclosed in FR 2 314 852 .
  • the electromagnetic brake is connected to the chassis by a vertical linear sliding guide device, and movable in translation between an upper, standby position and a lower, operational position.
  • the linear sliding guide device includes vertical pneumatic cylinders. This arrangement takes up a lot of space, particularly in the vertical direction.
  • An electromagnetic linear braking system for rail vehicles such as trains or trams is disclosed in GB 2 375 802 .
  • the arrangement comprises a housing in which is mounted an electro-magnet held in a parked position in line with and just above the rail by two bolts and springs.
  • Above the electro-magnet are two horizontally and longitudinally mounted solenoids with push rods, arranged in such a way that when the solenoids are energised the electro-magnet is pushed down against the springs, the electro-magnet which is energised at the same time is pulled onto the rail by magnetism, and will remain clamped to it while the braking system is switched on.
  • a railway bogie comprising:
  • the bogie frame is preferably an H-shaped frame or double H-shaped frame.
  • the actuator in the standby position is preferably housed within a cavity of a hollow beam of the bogie frame, which can be a crossbeam or side beam.
  • the arrangement takes advantage of the thickness of the side beams and cross beam(s) to house at least part of the mechanism for lowering the electromagnet.
  • the overall height of the bogie can be optimised, as well as the distance of the bogie frame to the ground.
  • the actuator in the standby position is protected by the bogie frame.
  • the system further comprises a linkage for linking the electromagnetic device to the bogie frame between the upper standby position and the lower operational position.
  • the linear actuator can be connected to the electromagnetic linear device via a cam mechanism.
  • the linear actuator is provided with pivot connections with the linkage and with the bogie frame.
  • the pivot connections have pivot axes that are parallel to a longitudinal horizontal axis of the bogie frame. In the standby position, the pivot axes are preferably spaced apart from one another in a transverse direction of the bogie frame. In other words, the actuator in the standby position extends essentially transversally. In the standby position, the pivot axes can be in the same horizontal plane (in which case the actuator is horizontal) or in two parallel horizontal planes that are close to one another (in which case the actuator is slightly inclined).
  • the two parallel horizontal planes are close to one another in the sense that they are both within the bogie frame, i.e. between the upper and lower side of the side beams.
  • This arrangement has proved particularly compact, and even more so when the actuator is received within a cavity of the transverse beam. It perfectly takes advantage of the large hollow cavity available in the transverse beam and results in a very compact layout. It also allows for the integration of other components such as an anti-roll bar assembly.
  • the pivot axes are parallel to a transversal horizontal axis of the bogie frame.
  • the pivot axes are preferably spaced apart from one another in a longitudinal direction of the bogie frame.
  • the actuator is a pneumatic actuator, which comprises a cylinder and a piston.
  • the actuator can be an electromechanical or electromagnetic actuator.
  • the linkage comprises at least one set of connecting rods, comprising an upper connecting rod pivotally connected the bogie frame and a lower connecting rod pivotally connected to upper connecting rod and to the electromagnetic device.
  • all the one-axis pivot connections are parallel to one another to ensure that the actual motion of the linkage between the standby position and the operational position is a planar motion.
  • the pivot axes of the one-axis pivot connections of the actuator which are preferably parallel with the pivot axes of the set of connecting rods.
  • the connecting rods form a toggle linkage.
  • the toggle linkage works only on one side of its centre position, i.e. it remains unclamped, between the upper standby position and the lower operational position.
  • the standby position can advantageously correspond to the centre position.
  • the lower operational position can be an over-centre, clamped position.
  • the connecting rods have pivot axes that are parallel to a longitudinal axis of the bogie frame.
  • the actuator is preferably pivotally connected to a pivot connection between the upper and lower connecting rods.
  • the linkage comprises four sets of connecting rods, each comprising an upper connecting rod pivotally connected the bogie frame and a lower connecting rod pivotally connected to the upper connecting rod and to the electromagnetic device.
  • the pivot axes of the four sets of connecting rods are preferably all parallel to one direction, which can be a transverse direction or preferably the longitudinal direction of the bogie frame.
  • the linkage may further comprise at least one shaft that rigidly connects at least two of the four sets of connecting rods to ensure simultaneous joint motion and reduce the number of actuators.
  • the actuator further comprises a return spring to bias the electromagnetic device towards the standby position.
  • the bogie may further comprise an auxiliary frame for supporting the electromagnetic drive and/or brake device, the linkage being directly connected to the auxiliary frame.
  • a bogie for a rail vehicle comprises a H-shaped bogie frame 10 including one cross beam 12 and two side beams (not shown).
  • the Figs. 1 to 4 illustrate only a portion of the bogie, which is located at one end of the cross beam 12. It should be understood that the corresponding portion of the bogie at the opposite end of the cross beam is the mirror image of the portion illustrated in the drawings.
  • the side beams support a secondary suspension that directly or indirectly links the bogie frame to a car body of the rail vehicle.
  • the secondary suspension includes air springs 14 located at the intersection between the cross beam and side beams as well as one or more dampers 16.
  • the bogie frame is supported by two sets of wheels (not shown), which run on a railway track.
  • the bogie frame is linked to the wheel sets by a primary suspension.
  • the bogie is further provided with a linear eddy current rail brake device 18 provided with at least one electromagnet 20.
  • the linear eddy current brake device 18 is articulated to the bogie frame 10 by means of a linkage 22 to move between an upper standby position illustrated in Fig. 1 and 2 and a lower operational position illustrated in Figs. 3 and 4 .
  • the electromagnet 20 faces a rail (not shown) with an air gap, which should be kept as small and as constant as possible.
  • the cross beam 12 is hollow and defines a cavity 24.
  • a linear pneumatic actuator 26 for moving the linkage 22 between the standby position and the operational position is housed in the cavity 24, in particular in the standby position.
  • the linear actuator 26 comprises a cylinder 28 pivotally connected to the bogie frame 10 and a piston 30, which is pivotally connected to the linkage 22 and slides linearly inside the cylinder 28.
  • a return spring 32 biases the piston 30 towards a retracted position that corresponds to the upper standby position of the linear eddy current brake device as depicted in Fig. 1 .
  • the pivot axes 34, 36 of the pivot connections between the cylinder 28 and the bogie frame 10 on the one hand and between the piston 30 and the linkage 22 on the other hand are parallel to a longitudinal horizontal axis of the bogie, i.e. perpendicular to the axis of the cross beam (and to the section plane of Fig. 1 ).
  • the actuator 26 in the standby position is completely received in the cavity 24 defined by the hollow transverse beam 12 and extends transversally, i.e. the pivot axes 34, 36 are spaced apart in the transverse direction. More specifically, the actuator 26 is located between an upper horizontal plane P1 that is flush with an upper side of the cross beam 12 and a lower horizontal plane P2 that is flush with a lower side of the cross beam 12.
  • the linkage 22 comprises two sets 22.1, 22.2 of two connecting rods.
  • Each set of connecting rods comprises an upper connecting rod 38 pivotally connected to the bogie frame 10 and a lower connecting rod 40 pivotally connected to upper connecting rod 38 and to the linear eddy current brake device 18.
  • the pivot axes 42, 44, 36 of all the connecting rods are parallel to the longitudinal axis of the bogie frame 10.
  • Each set of connecting rods constitutes a toggle linkage, which moves between a folded position corresponding to the standby position of the linear eddy current brake device and a centre or slightly over-centre position which corresponds to the lower, operational position of the linear eddy current brake device.
  • the upper connecting rod 38 In the folded position of Fig. 1 , the upper connecting rod 38 is located within the cavity 24.
  • the centre position of a toggle linkage is the position in which the pivot axes of the connecting rods are coplanar and, more specifically in this particular case, are located in one and the same vertical longitudinal plane, as illustrated in Fig. 3 .
  • the two sets 22.1, 22.2 of connecting rods at one end of the transverse beam constitute a front and a rear set of connecting rods, which are rigidly connected to one another via a shaft 46 to ensure simultaneous joint motion of the two sets.
  • the actuator 26 is pivotally connected to the pivot connection between the upper and lower connecting rods 38, 40 of the front set 22.1 of connecting rods.
  • a similar assembly is provided at the opposite end of the transverse beam 12, such that the electromagnetic brake device 18 is supported on each side by two sets of connecting rods linked by a shaft and powered by one actuator.
  • the resultant motion of the linear eddy current brake device between the standby position and the operational position is a planar motion parallel to the vertical transverse plane of Fig. 1 , i.e. the speed vector of any point of the assembly is parallel to the transverse plane at any time during the motion.
  • the two actuators 28 one each side of the bogie frame 10 can be operated such that the motion of the linear eddy current brake device 18 between the standby position and the operation position is a vertical translation, without rotation and without movement in the transverse or longitudinal directions.
  • an inclinometer or an accelerometer or a set of inclinometers and/or accelerometers can be attached to the electromagnetic brake device and electrically connected to an electro-pneumatic valve(s) that feed the pneumatic actuators to ensure that the motion of the linear eddy current brake device 18 between the standby position and the operational position is controlled.
  • the electromagnetic brake 18 is automatically returned to the standby position by means of the return springs 32.
  • the bogie is further provided with an antiroll bar 48, which extends transversally in the transversal cavity 24 of the cross beam 12 as illustrated in Figs. 3 and 4 .
  • the embodiment illustrated in Figs. 5 and 6 differs from the embodiment of Figs 1 to 4 in that the front and rear set of connecting rods 22.1, 22.2 on one side of the bogie frame are provided each with an individual actuator 26, so that no shaft is necessary between the two sets of connecting rods. As illustrated in Fig. 6 , the two actuators 26 are housed within the cavity 24 of the transverse beam 12.
  • the embodiment illustrated in Fig. 7 differs from the previous embodiments in that the actuator 26 extends longitudinally and in that the axes of rotation 34, 36, 42, 44, 136 of the linkage and of the actuator are transverse axes, i.e. horizontal and perpendicular to the longitudinal axis of the bogie frame 10.
  • the upper connecting rod 38 of the linkage is a lever with an intermediate fulcrum 42 pivotally connected to the bogie frame 10, one arm pivotally connected to the actuator 26 and one arm pivotally connected to the lower connecting rod 40 via a pivot connection 136.
  • the actuator 26 in the standby position is received within the cavity 24 of the transverse beam 12 of the bogie frame 10.
  • the bogie is further provided with an antiroll bar 48, which extends transversally in the transversal cavity 24 of the cross beam 12.
  • connection between the bogie frame 10 and a car body of the rail vehicle can include two or four springs, which can be pneumatic or coil springs. It can be with or without bolster and king pin.
  • the bogie frame itself can be H-shaped with a single cross beam or double H-shaped, with two cross beams, in which case the actuator and linkage in the standby position can be located between the two cross beams.
  • one-axis pivot connections are preferred both for the actuator and for the linkage, at least some of these one-axis pivot connections may be provided with a limited degree of freedom of rotation about a secondary axis, preferably with a resilient bushing.
  • the actuator in the standby position can be received within a hollow side beam of the bogie frame.
  • the electromagnetic device 18 can be a linear motor.
EP13150573.7A 2013-01-09 2013-01-09 Railway bogie provided with a movable electromagnetic driving or braking means Active EP2754599B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK13150573.7T DK2754599T3 (en) 2013-01-09 2013-01-09 Rail bogie equipped with a moving electromagnetic operating or braking device
EP13150573.7A EP2754599B1 (en) 2013-01-09 2013-01-09 Railway bogie provided with a movable electromagnetic driving or braking means
SI201330215A SI2754599T1 (sl) 2013-01-09 2013-01-09 Železniški voziček, opremljen s premičnimi elektromagnetnimi voznimi ali zaviralnimi sredstvi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13150573.7A EP2754599B1 (en) 2013-01-09 2013-01-09 Railway bogie provided with a movable electromagnetic driving or braking means

Publications (2)

Publication Number Publication Date
EP2754599A1 EP2754599A1 (en) 2014-07-16
EP2754599B1 true EP2754599B1 (en) 2016-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP13150573.7A Active EP2754599B1 (en) 2013-01-09 2013-01-09 Railway bogie provided with a movable electromagnetic driving or braking means

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EP (1) EP2754599B1 (sl)
DK (1) DK2754599T3 (sl)
SI (1) SI2754599T1 (sl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104742931B (zh) * 2015-03-26 2017-06-23 山东交通学院 一种高速列车用非粘着制动装置及其控制方法
JP7052618B2 (ja) * 2018-07-30 2022-04-12 日本製鉄株式会社 渦電流式レールブレーキ装置
CN109747676B (zh) * 2019-02-27 2020-01-31 中车青岛四方车辆研究所有限公司 带涡流制动装置的轨道车辆转向架及轨道车辆
MX2022004153A (es) * 2019-10-07 2022-05-02 Trackmobile Llc Asistencia de traccion magnetica para remolcador ferroviario.
CN116061698B (zh) * 2023-04-06 2023-06-09 成都西交华创科技有限公司 一种兼容既有铁路的高温超导磁悬浮系统及改造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314852A1 (fr) 1975-06-18 1977-01-14 Sncf Systeme de suspension de frein lineaire a courants de foucault pour vehicule ferroviaire
FR2710890B1 (fr) * 1993-10-05 1995-11-10 Gec Alsthom Transport Sa Dispositif de support pour frein à courants de Foucault et train de roulement pour véhicule ferroviaire comportant un tel dispositif.
DE19503365C2 (de) * 1995-02-02 2000-11-02 Knorr Bremse Systeme Lineare Wirbelstrombremse und Verfahren zur Steuerung einer linearen Wirbelstrombremse
GB2375802A (en) 2001-05-25 2002-11-27 Jim Ward Rail vehicle emergency electromagnetic braking system

Also Published As

Publication number Publication date
SI2754599T1 (sl) 2016-10-28
EP2754599A1 (en) 2014-07-16
DK2754599T3 (en) 2016-07-18

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