EP0724997A1 - Suspension d'un frein sur rail, notamment un frein à courant de Foucault à un bogie de véhicule ferroviaire - Google Patents

Suspension d'un frein sur rail, notamment un frein à courant de Foucault à un bogie de véhicule ferroviaire Download PDF

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Publication number
EP0724997A1
EP0724997A1 EP95119534A EP95119534A EP0724997A1 EP 0724997 A1 EP0724997 A1 EP 0724997A1 EP 95119534 A EP95119534 A EP 95119534A EP 95119534 A EP95119534 A EP 95119534A EP 0724997 A1 EP0724997 A1 EP 0724997A1
Authority
EP
European Patent Office
Prior art keywords
brake
brake carrier
suspension according
arms
pendulum
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
Application number
EP95119534A
Other languages
German (de)
English (en)
Other versions
EP0724997B1 (fr
Inventor
Thomas Graf
Albert Kerscher
Marc Dr. Elstorpff
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.)
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Schienenfahrzeuge 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
Priority claimed from DE19530405A external-priority patent/DE19530405A1/de
Application filed by Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Publication of EP0724997A1 publication Critical patent/EP0724997A1/fr
Application granted granted Critical
Publication of EP0724997B1 publication Critical patent/EP0724997B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61H7/083—Skids electromagnetically operated working with eddy currents
    • 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

  • the invention relates to a suspension according to the preamble of claim 1.
  • a lifting device formed by actuating cylinders for the brake carriers located below the bogie frame is provided on both sides of the wheel sets of the rail vehicle on both sides of the bogie frame of a bogie.
  • the brake carriers have on their underside brake magnets which can be displaced with the help of the brake carriers between the lowered braking position with a small and as constant a distance as possible from the surface of the rail and a released, raised position.
  • the front ends of the brake carriers extending parallel to the rails are held in guides rigidly attached to the wheel or axle bearings.
  • the object of the invention is to design a suspension of the generic type, in particular for eddy current brakes, in such a way that extensive decoupling between the mass of the eddy current brake and the wheel sets can be achieved.
  • the wheel or axle bearing sets should remain unaffected by any functional positions of the brake.
  • the suspension uses the freely pivoting pendulum arranged on the wheel or axle bearings in order to achieve a decoupling of the respective brake carrier and the total mass of the eddy-current brake connected to the brake carrier relative to the wheel sets .
  • a decoupling between the eddy current brake mass and the axle bearings or wheel sets is also ensured parallel to the axis of the axle bearing, since the front ends of the brake carrier can be displaced in the transverse direction to a limited extent under pivotable mounting by the pendulum on the axle bearing side, preferably via precisely defined spring characteristics and stop positions on the axle bearing in both Positions, or by a separation of the arms of the brake carrier and the pendulum, such that the ends of the arms rest in the braking position on abutments in the form of pans and are held freely in relation to the pendulum bodies in the raised release position.
  • the greatest possible width of the brake magnets of the eddy current brake is achieved by defined stops.
  • the suspension is also suitable for adjustment in the vertical direction, ie for the readjustment of the air gap between the brake magnets and the rail for the purpose of compensating for tire wear.
  • at least one of the articulation points of the two front arms of the suspension is preferably adjustable - both on the brake carrier and on the pendulum.
  • FIG. 1 of the drawing shows a side view of a bogie frame 1 of a rail vehicle, on which an eddy current brake 3 is arranged in the manner described below.
  • the bogie frame 1 of a vehicle side is resiliently supported on axle bearings 5 of two wheel sets, lifting bellows 7 connected to the bogie frame 1 acting on the brake carrier 9 of the eddy current brake 3 and being able to lift it from the braking position shown in FIG. 1 into the release position shown in FIG is explained below.
  • each of the arms 15 is pivotable between its ends about an axis 17 provided on the brake carrier, the outwardly extending ends of the arms 15 each being articulated on a pendulum 19 on the axle bearing 5.
  • the arms 15 and the pendulums 19 are each rotatable about an axis running perpendicular to the image plane; at the opposite end, the arms 15 interact according to FIGS. 3 and 4 with a stop 21 fixed to the brake carrier.
  • Figure 3 shows the braking position of the eddy current brake, in which the stop position of the arm 15 relative to the stop 21 is shown.
  • the stop 21 is designed as an eccentric part rotatable about its axis; other stop elements are also possible, on which the brake is supported in the braking position and which are also adjustable in order to determine the height of the stop position.
  • a fork 23 can be provided which, as a lateral guide for the pivoting movement of the arm 15, engages around its end, as can be seen from FIGS. 3 and 4, in order to relieve the axis 17. Due to the above-described rotatable design of the arm 15, the arm performs relative angular movements with respect to the pendulum between the braking position shown in FIG. 1 and the release position shown in FIG. 2, as can be seen from the figures mentioned; the resulting displacement of the articulation point II is also compensated for by the pendulum 19.
  • the pendulum 19 pivotally connected to the arm can be displaced in the Y direction (FIG. 4), ie perpendicular to the image plane in FIGS. 1 and 2, that is to say horizontally with respect to the image plane in FIG. 5, against a spring 25.
  • Transverse movements of the pendulum 19 in the Y direction are thus elastically absorbed by the spring 25, wherein the spring 25 can be designed, for example, as a double-acting spring, ie a spring acting in both directions of movement.
  • Stops 26 ( Figure 5) limit the Sliding movements of the pendulum 19.
  • the stop position is reached, such that the Vehicle limitation profile with the largest possible width of the magnets is maintained by the brake magnets during operation.
  • a brake support 27 is articulated both on the bogie frame 1 and on the brake carrier 9 of the eddy current brake, via which the braking force acting on the brake magnets is transmitted to the bogie frame in the braking position.
  • the brake support In the braking position, the brake support is arranged as horizontally as possible on the bogie.
  • the brake support is articulated in a manner not explained in more detail and can be displaced relative to the image plane, i.e. there is a decoupling of the eddy current braking mass in relation to the bogie frame in the Y direction (FIG. 4).
  • positions I, II and II are shown for the articulation of arm 15 on the support, for articulation of arm 15 on the pendulum and for articulation of the pendulum on the axle bearing.
  • Position IV is shown for the stop position of the arm 15 relative to the stop 21. At least one of these positions I-IV is adjustable in order to compensate for the tire wear; this is preferably done at positions I or IV, since when these positions are set, a path translation for setting the magnetic level, that is to say the height relative to the rail, is effected.
  • the arm 15 can be pivoted about the position I (axis 17), so that the wheel set change is hardly hindered when the pendulum arrangement is removed.
  • the pendulum 19 enables the wheel sets to move freely in the X direction in both positions (braking and releasing positions).
  • the pivoting of the arms 15 about the axes 17 ensures the free deflection of the wheel sets in the release position. Nevertheless, the brake magnets in the Y direction are constantly (brake and release position) on the axle bearing after the above. Led way.
  • FIGS. 6-8 of the drawing Another embodiment of the suspension is shown in FIGS. 6-8 of the drawing.
  • the arm 15 is not articulated to the pendulum 19, but is provided at its end with a spherical support 29 which rests in a pan 31 on the underside of the pendulum 19 in the braking position (FIG. 6).
  • the pendulum 19 is designed as a housing which is open on the lever side and which can be pivoted about the axis 33 running through the point III. Pins 35 connected to the pendulum are guided in bearings (not explained in detail) which are provided on the underside of the axle bearing 5.
  • the arm 15 is held in the manner shown in FIG. 7 with the exception of a possibility of changing the position explained below, ie the arm 15 no longer pivots from the transition from the braking position (FIG. 6) to the release position (FIG. 7) by the point I extending axis 17 down, but remains in the horizontal position.
  • the end of the arm 15 opposite the support 29 is non-rotatably guided between a spring 37 provided as a stop and a wedge 39.
  • the wedge 39 with its wedge surface 43 serving to support the end 41 of the arm 15 is carried in the illustrated embodiment by a spindle 45 which can be displaced in the longitudinal direction, for example by means of an adjusting hexagon 47 or a comparable device, such that a setting explained below, ie limited rotation of the lever 15 is made possible.
  • the arm 15 rests only in the braking position (FIGS. 6 and 8) with its support 29 in the pan 31 of the pendulum 19.
  • the arm 15 and therefore the brake connected to it has a mutual play in the Y direction between the stops 49, which are spaced on the inside of the pendulum, relative to the axle bearing, i.e. that a complete decoupling from the axle bearing is achieved in the release position.
  • the running behavior of the bogie is thus influenced in the least possible way.
  • decoupling in the Z direction (FIG. 7) is consequently also achieved.
  • the wedge 39 is moved via the spindle 45 by turning the adjusting hexagon 47 in the X direction, such that a limited pivoting of the arm 15 is achieved via the wedge surface 43 and the relative height of the support 29 relative to the pan 31 can thus be changed .
  • the arm 15 is non-rotatable in the release and braking position and the degree of freedom, i.e. the decoupling from the axle bearing is ensured by the type of guidance within the pivotable pendulum 19.
  • the suspension according to the invention is preferably intended for use with eddy current brakes, within the scope of the inventive idea it is generally suitable for rail brakes, that is to say magnetic rail brakes and eddy current brakes.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Vehicle Body Suspensions (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
EP95119534A 1995-02-02 1995-12-12 Suspension d'un frein sur rail, notamment un frein à courant de Foucault à un bogie de véhicule ferroviaire Expired - Lifetime EP0724997B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19503387 1995-02-02
DE19503387 1995-02-02
DE19530405 1995-08-18
DE19530405A DE19530405A1 (de) 1995-02-02 1995-08-18 Aufhängung einer Schienenbremse, insbesondere Wirbelstrombremse, an einem Drehgestell eines Schienenfahrzeuges

Publications (2)

Publication Number Publication Date
EP0724997A1 true EP0724997A1 (fr) 1996-08-07
EP0724997B1 EP0724997B1 (fr) 1998-03-18

Family

ID=26012084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95119534A Expired - Lifetime EP0724997B1 (fr) 1995-02-02 1995-12-12 Suspension d'un frein sur rail, notamment un frein à courant de Foucault à un bogie de véhicule ferroviaire

Country Status (3)

Country Link
EP (1) EP0724997B1 (fr)
AT (1) ATE164130T1 (fr)
ES (1) ES2113705T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19725174A1 (de) * 1997-06-13 1998-12-24 Knorr Bremse Systeme Aufhängung einer Schienenbremse an einem Drehgestell eines Schienenfahrzeuges
EP0894691A3 (fr) * 1997-07-29 2000-08-02 SAB WABCO BSI Verkehrstechnik Products GmbH Dispositif de freinage pour véhicules ferroviaires
WO2016180528A1 (fr) * 2015-05-11 2016-11-17 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Dispositif modulaire pour le couplage d'un segment magnétique à au moins un essieu d'un véhicule ferroviaire
CN115959165A (zh) * 2023-02-07 2023-04-14 中车山东机车车辆有限公司 一种车轮径向磨耗补偿装置及方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2967635B1 (fr) * 2010-11-22 2012-12-28 Alstom Transport Sa Bogie de vehicule ferroviaire comprenant un dispositif de freinage a courants de foucault

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2180870A (en) * 1937-10-19 1939-11-21 Westinghouse Air Brake Co Magnetic rail brake
CH242982A (de) * 1944-10-18 1946-06-15 Bbc Brown Boveri & Cie Verfahren und Einrichtung zur Vermehrung der Adhäsion bei mit Schienenbremsen ausgerüsteten Triebfahrzeugen.
CH474392A (fr) * 1967-08-11 1969-06-30 Forges Et Ateliers Du Creuzot Dispositif de suspension pendulaire des patins de frein magnétique sur rails, pour bogies de véhicules ferroviaires
FR2159772A5 (fr) * 1971-11-12 1973-06-22 Creusot Loire
DE2614298A1 (de) 1975-06-18 1977-02-10 Sncf Aufhaengung fuer geradlinige wirbelstrombremsen an drehgestellen fuer eisenbahnfahrzeuge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2180870A (en) * 1937-10-19 1939-11-21 Westinghouse Air Brake Co Magnetic rail brake
CH242982A (de) * 1944-10-18 1946-06-15 Bbc Brown Boveri & Cie Verfahren und Einrichtung zur Vermehrung der Adhäsion bei mit Schienenbremsen ausgerüsteten Triebfahrzeugen.
CH474392A (fr) * 1967-08-11 1969-06-30 Forges Et Ateliers Du Creuzot Dispositif de suspension pendulaire des patins de frein magnétique sur rails, pour bogies de véhicules ferroviaires
FR2159772A5 (fr) * 1971-11-12 1973-06-22 Creusot Loire
DE2614298A1 (de) 1975-06-18 1977-02-10 Sncf Aufhaengung fuer geradlinige wirbelstrombremsen an drehgestellen fuer eisenbahnfahrzeuge

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19725174A1 (de) * 1997-06-13 1998-12-24 Knorr Bremse Systeme Aufhängung einer Schienenbremse an einem Drehgestell eines Schienenfahrzeuges
EP0884232A3 (fr) * 1997-06-13 1999-02-03 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Suspension d'un frein sur rail à un bogie d'un véhicule ferroviare
DE19725174C2 (de) * 1997-06-13 1999-08-12 Knorr Bremse Systeme Aufhängung einer Schienenbremse an einem Drehgestell eines Schienenfahrzeuges
EP0894691A3 (fr) * 1997-07-29 2000-08-02 SAB WABCO BSI Verkehrstechnik Products GmbH Dispositif de freinage pour véhicules ferroviaires
WO2016180528A1 (fr) * 2015-05-11 2016-11-17 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Dispositif modulaire pour le couplage d'un segment magnétique à au moins un essieu d'un véhicule ferroviaire
CN107635841A (zh) * 2015-05-11 2018-01-26 克诺尔轨道车辆***有限公司 用于将磁段联接到轨道车辆的至少一个轴的模块化装置
JP2018515385A (ja) * 2015-05-11 2018-06-14 クノル−ブレムゼ ジステーメ フューア シーネンファールツォイゲ ゲゼルシャフト ミット ベシュレンクテル ハフツングＫｎｏｒｒ−Ｂｒｅｍｓｅ Ｓｙｓｔｅｍｅ ｆｕｅｒ Ｓｃｈｉｅｎｅｎｆａｈｒｚｅｕｇｅ ＧｍｂＨ 鉄道車両の少なくとも１つの車軸に磁石セグメントを連結するためのモジュール装置
CN115959165A (zh) * 2023-02-07 2023-04-14 中车山东机车车辆有限公司 一种车轮径向磨耗补偿装置及方法

Also Published As

Publication number Publication date
ES2113705T3 (es) 1998-05-01
EP0724997B1 (fr) 1998-03-18
ATE164130T1 (de) 1998-04-15

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