EP1986905B1 - Gleitstück - Google Patents

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Publication number
EP1986905B1
EP1986905B1 EP07712789A EP07712789A EP1986905B1 EP 1986905 B1 EP1986905 B1 EP 1986905B1 EP 07712789 A EP07712789 A EP 07712789A EP 07712789 A EP07712789 A EP 07712789A EP 1986905 B1 EP1986905 B1 EP 1986905B1
Authority
EP
European Patent Office
Prior art keywords
elements
guide means
side bearer
bogie
component
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
EP07712789A
Other languages
English (en)
French (fr)
Other versions
EP1986905A1 (de
Inventor
Alan John Aitken
David Taylor
Wayne Jamieson
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.)
SCT Europe Ltd
Original Assignee
SCT Europe Ltd
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 GB0603703A external-priority patent/GB0603703D0/en
Application filed by SCT Europe Ltd filed Critical SCT Europe Ltd
Publication of EP1986905A1 publication Critical patent/EP1986905A1/de
Application granted granted Critical
Publication of EP1986905B1 publication Critical patent/EP1986905B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
    • B61F5/14—Side bearings

Definitions

  • This invention relates to a side bearer for use on a railway vehicle.
  • a typical side bearer comprises a lower component secured to the bolster of the bogie, compression springs seated on the lower component and the upper component seated onto the springs.
  • the upper component carries a bearing plate arranged to engage a surface of the vehicle under-frame, and allow free movement between the surfaces in the horizontal plane. This movement is sliding movement and is controlled by friction.
  • each bogie two such side bearers are used on each bogie, the side bearers being located symmetrically each side of the bogie central pivot.
  • the side bearers serve to control sideways tilting movement of the vehicle whilst at the same time allow the vehicle to pass around rail curves.
  • EP1488978 shows a side bearer having a resiliently mounted friction pad and inclined mounting surfaces.
  • the present invention consists in a side bearer for a railway bogie having a longitudinal axis, Including a lower component for attachment to the bogie, an upper component carrying a friction bearing plate for receiving a part of a vehicle to be supported on the bogie and having a pair of divergent lower surfaces and including a mounting for mounting the upper component on the lower component for relative vertical movement, the mounting including first and second elements having respective inclined surfaces for receiving respective lower surfaces of the upper component, spring means for supporting the first and second elements and guide means for guiding the first and second elements for vertical movement characterised in that the first and second elements are horizontally separable by a downward vertical movement of the upper component for thereby urging them against the guide means for generating a substantially constant vertical damping force between the first and second elements and the guide means.
  • the upper component may have a first pair of surfaces extending in opposite longitudinal directions and the spring means may include a pair of springs and each may have an element for a respective first surface mounted thereon.
  • the guide means may include an upstanding wall or walls on the lower components.
  • the guide means may include at least one resiliently mounted shoe and preferably there are respective shoes for the first and second elements. In either case there may be a fixed abutment for the or each shoe for limiting longitudinal movement of the shoe.
  • the or each element is in the form of a wedge, in which case the vertical face of the wedge may engage the guide means and in particular, the upstanding wall.
  • these elements are effectively mounted fore and aft on the bogie, this engagement prevents the longitudinal movement whilst allowing vertical movement.
  • the side bearer 10 which is illustrated in the accompanying drawings, has a lower component 11, which is bolted to a bogie bolster 12 as can be seen in. Figures 1 to 3 . It will be understood other securing means could be used.
  • the lower component 11 carries an upstanding, generally rectangular wall 13, which as will be set out below, acts as the guide means. Located within the wall 13 are a pair of fore and aft stops 14, which are themselves secured to the bolster 11, as can best be seen in Figure 3 . Encircling each stop, and located thereby, are respective springs 15 that in turn support an upper component 16, in a manner described below.
  • the upper component 16 can move vertically on the springs 15 and this vertical movement is limited, in a downward direction, by the stops 14.
  • the upper component carries a bearing plate or friction pad 17, which is designed to engage against an associated surface mounted upon or forming part of a vehicle under frame (not shown) of the associated wagon body.
  • the upper component 16 has a downward projection 18 that defines a pair of inclined surfaces 19 which extend in opposite longitudinal directions.
  • Separate wedge elements 20 are disposed intermediate the respective surfaces 19 and springs 15 to transmit the vertical load, imposed by the wagon body, to their respective spring 18.
  • Each wedge 20 has an inclined surface 21 and a vertical surface 22.
  • the interaction between the respective engaging inclined surfaces 19 and 21 urges the vertical surface 22 against the wall 13, which thereby guides the surface 22 for vertical movement, but prevents any outward longitudinal movement of the wedge 20 and hence of the upper component 16.
  • the springs 15 thus hold the friction pads 17 in constant contact with the friction surface provided on the vehicle under frame. Any vertical movement occurring as a result of pitch or roll of the vehicle is thus accommodated by the springs 15 compressing and forces the wedges 20 apart into constant contact with the respective portions of the inner vertical surface of the wall 13 resulting in constant vertical clamping of the wedges 20.
  • constant damping between the bogie and the vehicle under frame is maintained in the longitudinal direction of the vehicle. In the event that relative vertical movement between the bogie and the vehicle under frame reaches a predetermined level then the wedges 20 will contact the stops 14 preventing any further vertical movement.
  • the upper component 16 can move away from the horizontal orientation by differential vertical compression of the springs 15, whilst maintaining the wedges 20 in vertical contact with the wall 13, so as to accommodate tilt of the vehicle caused by the rails.
  • Figure 6 illustrates an alternative embodiment wherein the guide means is constituted by a shoe 23 resiliently mounted on a fixed upstanding abutment 24.
  • the shoe 23 may be in the form of a ring with at least two longitudinal disposed opposed resilient mountings 25 or there may be a pair of shoes 23, one for each wedge element 20.
  • the shoe 23 is C shaped in section and the upright part 26 of the C provides the vertical guide surface 27 which is engaged by the vertical surface 22 of the respective wedge 20.
  • the arrangement functions exactly as in the previous embodiment.
  • the resilient mounting or mountings 25 will allow sufficient longitudinal movement of the shoe or shoes 23 to provide a progressive transition to break out, thus avoiding a sudden jolt. It will be noted that the vertical frictional engagement between the wedges 20 and shoes 23 will be maintained throughout.
  • the or each resilient mounting 25 is mounted on the fixed abutment 24, so as to define a gap 29 between the legs 30 of the shoe 23 and the abutment 28.
  • This gap which will normally be of the order of a few millimetres, allows the longitudinal movement to take place before the legs 30 of shoe 23 lock up against the abutment 28.
  • the resilient mounting 25 typically includes an extremely stiff elastomeric bush 31.
  • the stiffness of the bush 31 is preferably selected such that resilient movement will only take place under forces in the region of the breakout force. Typically it will have a stiffness around half that of steel.

Claims (7)

  1. Gleitstück (10) für ein Eisenbahn-Drehgestell (12) mit einer Längsachse, das eine untere Komponente (11) zur Anbringung des Drehgestells (12) und eine obere Komponente (16) aufweist, die eine Reibungslagerplatte (17) zur Aufnahme eines Teils eines Fahrzeugs trägt, das auf dem Drehgestell abgestützt ist und ein Paar divergierender unterer Oberflächen (19) aufweist sowie ein Lager (13, 15, 20, 22 / 23, 24, 25, 30) zur Lagerung der oberen Komponente (16) auf der unteren Komponente (11) zwecks relativer Vertikalbewegung, wobei das Lager mit ersten und zweiten Elementen (20) versehen ist, die entsprechende geneigte Oberflächen (21) zur Aufnahme der entsprechenden genannten unteren Oberflächen (19) der oberen Komponente (16) besitzen sowie eine Federvorrichtung (15) zur Abstützung der ersten und zweiten Elemente (20) und eine Führungsvorrichtung (13/23) zur Führung der ersten und zweiten Elemente (20) bei vertikaler Bewegung, dadurch gekennzeichnet, daß die ersten und zweiten Elemente (20) durch eine vertikale Abwärtsbewegung der oberen Komponente (16) waagerecht trennbar sind, um sie dadurch gegen die Führungsvorrichtung (13 / 23) zu drücken, um eine im wesentlichen konstante, senkrechte Dämpfungskraft zwischen den ersten und zweiten Elementen (20) und der Führungsvorrichtung (13 / 23) zu erzeugen.
  2. Gleitstück nach Anspruch 1, dadurch gekennzeichnet, daß die obere Komponente (16) ein Paar erste Oberflächen aufweist, die sich in entgegengesetzte Längsrichtungen erstrecken, und daß die Federvorrichtung (15) mit einem Paar Federn (15) versehen ist sowie einem Element für jede erste Oberfläche, das auf einer entsprechenden Feder gelagert ist.
  3. Gleitstück nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Führungsvorrichtung eine oder mehrere auf der unteren Komponenten (11) stehende Wände (13) aufweist.
  4. Gleitstück nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Führungsvorrichtung wenigstens einen federnd gelagerten Schuh (23) aufweist.
  5. Gleitstück nach Anspruch 4, gekennzeichnet durch einen in Längsrichtung federnd gelagerten Schuh (23) für jedes der ersten und zweiten Elemente.
  6. Gleitstück nach Anspruch 4 oder 5, ferner gekennzeichnet durch einen Anschlag für den oder jeden Schuh zur Begrenzung der Längsbewegung des Schuhs.
  7. Gleitstück nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das erste oder zweite Element oder jedes Element die Form eines Keils hat.
EP07712789A 2006-02-24 2007-02-26 Gleitstück Active EP1986905B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0603703A GB0603703D0 (en) 2006-02-24 2006-02-24 Side bearer
US78169306P 2006-03-13 2006-03-13
PCT/GB2007/000666 WO2007096655A1 (en) 2006-02-24 2007-02-26 Side bearer

Publications (2)

Publication Number Publication Date
EP1986905A1 EP1986905A1 (de) 2008-11-05
EP1986905B1 true EP1986905B1 (de) 2011-09-07

Family

ID=38171163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07712789A Active EP1986905B1 (de) 2006-02-24 2007-02-26 Gleitstück

Country Status (4)

Country Link
US (1) US20090308276A1 (de)
EP (1) EP1986905B1 (de)
GB (1) GB2448645B (de)
WO (1) WO2007096655A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU171456U1 (ru) * 2017-02-15 2017-06-01 РЕЙЛ 1520 АйПи ЛТД Боковая опора кузова вагона

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008039821A1 (de) 2008-08-27 2010-03-18 Bombardier Transportation Gmbh Drehhemmungseinrichtung für ein Fahrzeug
US8807050B2 (en) 2009-07-17 2014-08-19 Miner Enterprises, Inc. Railcar constant contact side bearing assembly
US8201504B2 (en) * 2009-07-17 2012-06-19 Miner Enterprises, Inc. Railcar constant contact side bearing assembly
US8813655B2 (en) 2012-06-07 2014-08-26 Miner Enterprises, Inc. Railroad car constant contact side bearing assembly
US9555818B1 (en) * 2015-10-22 2017-01-31 Amsted Rail Company, Inc. Side bearing for railway car truck
CN106476833B (zh) * 2016-10-18 2019-05-07 张家港特锐机械制造有限公司 带补偿的转向架减振系统
CN112272634B (zh) * 2018-04-27 2023-05-23 阿母斯替德铁路公司 具有摩擦辅助侧轴承的铁道转向架组件
US11091179B2 (en) * 2018-11-01 2021-08-17 Amsted Rail Company, Inc. Rail car side bearing
US11613281B2 (en) 2020-10-26 2023-03-28 Amsted Rail Company, Inc. Railway truck assembly having compressible side bearings

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2285140A (en) * 1939-03-25 1942-06-02 Symington Gould Corp Side bearing
US3712691A (en) * 1971-02-03 1973-01-23 Dresser Ind Elastomeric snubbing side bearing
US5046865A (en) * 1987-10-16 1991-09-10 A. Stucki Company Side bearing
US5086707A (en) * 1991-04-15 1992-02-11 Amsted Industries Incorporated Self adjusting constant contact side bearing for railcars
US5315934A (en) * 1992-12-30 1994-05-31 Railway Engineering Associates, Inc. Constant contact side bearings with spring biased sliding wedges
US6581527B2 (en) * 2000-09-11 2003-06-24 Meridian Rail Information Systems Corp. Adjustable side bearing for a railcar
CN2516415Y (zh) * 2001-12-26 2002-10-16 株洲车辆厂 铁道货车用弹性旁承
FR2836443A1 (fr) * 2002-02-28 2003-08-29 Lohr Ind Appui lateral flottant pour deux structures wagon succesives articulees sur un meme bogie ferroviaire
US6644214B1 (en) * 2002-09-18 2003-11-11 Asf-Keystone, Inc. Constant contact side bearing
CN100431891C (zh) * 2003-03-26 2008-11-12 Asf-基斯通公司 调节交通工具的常接触旁承装置
GB0312870D0 (en) * 2003-06-05 2003-07-09 Powell Duffryn Rail Ltd Side bearer
GB0314399D0 (en) * 2003-06-20 2003-07-23 Powell Duffryn Rail Ltd Side bearer
US6957611B2 (en) * 2004-02-24 2005-10-25 Miner Enterprises, Inc. Constant contact side bearing assembly for a railcar

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU171456U1 (ru) * 2017-02-15 2017-06-01 РЕЙЛ 1520 АйПи ЛТД Боковая опора кузова вагона

Also Published As

Publication number Publication date
EP1986905A1 (de) 2008-11-05
WO2007096655A1 (en) 2007-08-30
GB2448645A (en) 2008-10-22
US20090308276A1 (en) 2009-12-17
GB2448645B (en) 2011-05-25
GB0814921D0 (en) 2008-09-24

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