EP0818375A2 - Drehgestell für ein Schienenfahrzeug - Google Patents

Drehgestell für ein Schienenfahrzeug Download PDF

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Publication number
EP0818375A2
EP0818375A2 EP96830653A EP96830653A EP0818375A2 EP 0818375 A2 EP0818375 A2 EP 0818375A2 EP 96830653 A EP96830653 A EP 96830653A EP 96830653 A EP96830653 A EP 96830653A EP 0818375 A2 EP0818375 A2 EP 0818375A2
Authority
EP
European Patent Office
Prior art keywords
hunting
bogie
dampers
frame
telescopic
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
EP96830653A
Other languages
English (en)
French (fr)
Other versions
EP0818375A3 (de
EP0818375B1 (de
Inventor
Pietro Vanolo
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 Ferroviaria SpA
Original Assignee
Fiat Ferroviaria SpA
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 Fiat Ferroviaria SpA filed Critical Fiat Ferroviaria SpA
Publication of EP0818375A2 publication Critical patent/EP0818375A2/de
Publication of EP0818375A3 publication Critical patent/EP0818375A3/de
Application granted granted Critical
Publication of EP0818375B1 publication Critical patent/EP0818375B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B61F5/04—Bolster supports or mountings
    • B61F5/12—Bolster supports or mountings incorporating dampers

Definitions

  • the hunting absorber means comprise, at each bogie side, a single damper interposed substantially horizontally, between the bogie frame and the corresponding end of the load bearing transom to be secured to the railway vehicle body.
  • a further object of the invention is to simplify the bogie construction, with particular reference to the arrangement of the vertical shock absorber means and/or of the lateral shock absorber means.
  • the invention is directed to a railway vehicle bogie of the type set forth at the beginning, the main feature of which resides in that said hunting absorber means comprise, at each bogie side, a pair of juxtaposed telescopic dampers each having one end pivotally connected to the load bearing transom and the opposite end pivotally connected to the corresponding journal box of a respective axle.
  • the anti-hunting performance of the bogie according to the invention is remarkably enhanced, since the two pairs of hunting absorbers directly operate on the axles, thus avoiding that instability thereof be transmitted to the bogie frame and from the latter to the railway vehicle body.
  • Improvement of the bogie stability is equivalent to a reduction of the hunting oscillation transmitted thereby to the body, thus resulting into a better travel comfort for the passengers of a railway vehicle equipped with bogies according to the invention.
  • the energy which has to be dissipated by the hunting absorbers is lower than in the case of the traditional bogies.
  • a further advantage of the arrangement according to the invention which is particularly appreciable in the case of a railway vehicle not provided with a body tilt system for balancing the non-compensated centrifugal acceleration along a curve, resides in that the two pairs of hunting dampers apply steering forces onto the axles along the entry and exit sections of the curve.
  • the telescopic hunting dampers of each pair are arranged obliquely: particularly, inclination thereof in the vertical plane is about 10-20°, conveniently between 12° and 15°, and inclination thereof in the horizontal plane is about 4-6°.
  • This arrangement besides enhancing the said self-steering effect of the axles, additionally enables employing the two pairs of hunting dampers possibly even for integrating or replacing the vertical shock absorber function and/or the lateral shock absorber function.
  • the vertical shock absorbers and/or the lateral shock absorbers provided in the traditional railway vehicle bogies may be suppressed, thus achieving evident advantages in terms of construction simplicity and weight, encumbrance and cost reduction.
  • a bogie for railway vehicles comprises a frame 1 formed by two longitudinal members 2, 3 connected by two transverse members 4, 5 and carrying, near to the respective ends, two axles 6, 7.
  • Each axle 6, 7 is comprised in a conventional way of a shaft 8, 9 supporting a pair of wheels 10, 11 and the ends of which are connected to the longitudinal members 2, 3 of the frame 1 through respective journal boxes 12, 13 of a conventional type.
  • Primary suspension members also of a conventional type, generally designated as 14, 15 in figure 1, are provided between the frame 1 of the bogie and the axles 6, 7.
  • References numeral 16 indicates a load bearing transom arranged above the center area of the frame 1, parallelly to the transverse members 4, 5, which is intended to be rigidly secured to the floor of a railway vehicle body. Between the load bearing transom 16 and the frame 1 secondary vertical and lateral suspension springs 17 are interposed, also in a conventional fashion, through which the necessary rotations of the bogie relative to the body around a vertical axis are also enabled.
  • the bogie is also equipped with vertical shock absorbers 18 arranged at one side of the suspension springs 17 between the center areas of the longitudinal members 2, 3 and the load bearing transom 16, and with lateral shock absorbers 19 located transversally with one end thereof articulated to a respective longitudinal member 2, 3 and the opposite end thereof intended to be articulated to a corresponding attachment element fixed to the floor of the railway vehicle body.
  • reference numerals 20 diagrammatically designate two linear, normally hydraulic actuators arranged transversally and included in an active lateral suspension system operating, in a way known per se, when the railway vehicle is travelling along a curve.
  • the bogie may further be equipped with a tilt system of the body around its longitudinal axis, also known per se, acting to balance the non-compensated centrifugal force along a curve.
  • the bogie is provided with a hunting absorbing system which, according to the invention, comprises two pairs of juxtaposed telescopic dampers 21, 22 arranged at the opposite sides of the frame 1.
  • each hunting damper 21, 22 has one end pivotally connected to a bracket 23, 24 fixedly secured to the journal box 12, 13 of a corresponding axle 6, 7, and the other end pivotally connected to the load bearing transom 16.
  • each end of the transom 16 is lowerly provided with a central attachment element 25, 26 for the pivoted connection of the corresponding hunting dampers 21 and 22, respectively.
  • the dampers 21 and 22 of each pairs are arranged obliquely both in the vertical plane and in the horizontal plane. As depicted in figure 1, inclination thereof in the vertical plane is about 10-20°, and preferably between 12° and 15°. As shown in figure 2, inclination in the horizontal plane is about 4-6°.
  • the bogie according to the invention exhibits a remarkable improved dynamic performance. More particularly, the following advantages are achieved:
  • a further and remarkable advantage which may be achieved through the invention consists of that the dampers 21, 22 can provide, in addition to the anti- hunting function, the task of vertical shock absorbers and/or lateral shock absorbers.
  • FIGs 3 and 4 show a second embodiment of the invention, in which the vertical and lateral shock absorbers 18 and 19 of the previously disclosed embodiment are suppressed, and the function thereof is performed by the two pairs of dampers 21, 22.
  • the dampers 21 and 22 have an inclination in the vertical plane which is greater than in the first embodiment: this is achieved by shifting the positioning of the pivotal connections of these dampers 21, 22 with respect to the load bearing transom 16, closer to the axles 6, 7, i.e. in correspondence of attachment members 27, 28 located near to the front and rear edges of the load bearing transom 16.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)
  • Escalators And Moving Walkways (AREA)
  • Lock And Its Accessories (AREA)
  • Ceramic Products (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Cephalosporin Compounds (AREA)
  • Vibration Dampers (AREA)
  • Vibration Prevention Devices (AREA)
EP96830653A 1996-07-11 1996-12-24 Drehgestell für ein Schienenfahrzeug Expired - Lifetime EP0818375B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO960591 1996-07-11
IT96TO000591A IT1286164B1 (it) 1996-07-11 1996-07-11 Carrello per veicoli ferroviari.

Publications (3)

Publication Number Publication Date
EP0818375A2 true EP0818375A2 (de) 1998-01-14
EP0818375A3 EP0818375A3 (de) 1999-03-31
EP0818375B1 EP0818375B1 (de) 2001-05-23

Family

ID=11414771

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96830653A Expired - Lifetime EP0818375B1 (de) 1996-07-11 1996-12-24 Drehgestell für ein Schienenfahrzeug

Country Status (8)

Country Link
EP (1) EP0818375B1 (de)
AT (1) ATE201361T1 (de)
DE (1) DE69612974T2 (de)
DK (1) DK0818375T3 (de)
ES (1) ES2159350T3 (de)
GR (1) GR3036428T3 (de)
IT (1) IT1286164B1 (de)
PT (1) PT818375E (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085418A (zh) * 2014-07-22 2014-10-08 南车株洲电力机车有限公司 铁路机车车辆转向架及其抗蛇行减振器布置结构
CN115123331A (zh) * 2021-03-26 2022-09-30 比亚迪股份有限公司 转向架、轨道车辆及轨道交通系统

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007013300U1 (de) * 2007-09-21 2009-02-12 Liebherr-Aerospace Lindenberg Gmbh Aktiver hydraulischer Dämpfer und hydraulischer Stellantrieb
DE102017128598B4 (de) * 2017-12-01 2019-10-31 Andreas Fiedler Anordnung zum Dämpfen des Wankens und zum Querstabilisieren eines Wagenkastens für Landfahrzeuge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL264966A (de) * 1960-05-24
FI82424C (fi) * 1989-05-24 1991-03-11 Valmet Oy Boggiekonstruktion foer jaernvaegsvagn.
US5107773A (en) * 1990-09-27 1992-04-28 Dofasco Inc. Railway trucks
DE4122741A1 (de) * 1991-07-10 1993-01-14 Waggon Union Gmbh Drehgestell fuer schnellauffaehige schienenfahrzeuge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085418A (zh) * 2014-07-22 2014-10-08 南车株洲电力机车有限公司 铁路机车车辆转向架及其抗蛇行减振器布置结构
CN115123331A (zh) * 2021-03-26 2022-09-30 比亚迪股份有限公司 转向架、轨道车辆及轨道交通系统

Also Published As

Publication number Publication date
PT818375E (pt) 2001-09-28
ITTO960591A1 (it) 1998-01-11
EP0818375A3 (de) 1999-03-31
DK0818375T3 (da) 2001-09-10
EP0818375B1 (de) 2001-05-23
IT1286164B1 (it) 1998-07-07
GR3036428T3 (en) 2001-11-30
DE69612974T2 (de) 2001-10-25
ES2159350T3 (es) 2001-10-01
DE69612974D1 (de) 2001-06-28
ATE201361T1 (de) 2001-06-15
ITTO960591A0 (de) 1996-07-11

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