EP0212348B1 - Suspension primaire pour véhicule ferroviaire - Google Patents

Suspension primaire pour véhicule ferroviaire Download PDF

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Publication number
EP0212348B1
EP0212348B1 EP86110339A EP86110339A EP0212348B1 EP 0212348 B1 EP0212348 B1 EP 0212348B1 EP 86110339 A EP86110339 A EP 86110339A EP 86110339 A EP86110339 A EP 86110339A EP 0212348 B1 EP0212348 B1 EP 0212348B1
Authority
EP
European Patent Office
Prior art keywords
elastomeric
spring
primary suspension
layer
trough
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
Application number
EP86110339A
Other languages
German (de)
English (en)
Other versions
EP0212348A1 (fr
Inventor
Hans Dieling
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.)
Waggonfabrik Talbot GmbH and Co KG
Original Assignee
Wegmann and Co GmbH
Waggonfabrik Talbot GmbH and Co KG
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 Wegmann and Co GmbH, Waggonfabrik Talbot GmbH and Co KG filed Critical Wegmann and Co GmbH
Publication of EP0212348A1 publication Critical patent/EP0212348A1/fr
Application granted granted Critical
Publication of EP0212348B1 publication Critical patent/EP0212348B1/fr
Expired 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
    • B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
    • B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes

Definitions

  • the invention relates to a primary suspension for rail vehicles according to the preamble of claim 1.
  • each axle bearing housing has support arms on both sides in the vehicle longitudinal direction and springs are located between these support arms and the bogie frame, one of which is a soft spring in the vertical direction, while the other spring is a spring designed for its horizontal spring properties, which consists of two superimposed non-planar metal surfaces, between which there is a layer of elastomeric material.
  • This known primary suspension has the advantage that it is soft on the one hand in the vertical direction, because the spring which is soft in the vertical direction, which can be a coil spring, a gas spring or an elastomer spring, takes over the entire suspension in the vertical direction.
  • the other spring which serves as a pivot joint, similar to an axle control arm, and which is designed for its horizontal spring properties and can be relatively hard in the vertical direction, determines the elasticity in the horizontal plane, the spring properties in the direction of travel - x direction - And transverse to the direction of travel - y direction - can be of different sizes and largely adapted to the respective conditions.
  • the object of the invention is to design the elastomer spring in such a way that it can also accommodate this twist, without giving up the advantage that the horizontal spring properties are largely adjustable in the x and y directions.
  • This object is achieved by the features specified in the characterizing part of patent claim 1.
  • the subclaims indicate further embodiments and improvements.
  • the elastomer spring receives the properties of a ball joint, while the elasticity in the horizontal plane can be largely varied by the additional elastomer layer formed as a flat or trough-shaped layer.
  • the additional elastomeric layer as is known per se (DE-C-1 755 875), can consist of two layers inclined towards one another in a roof shape or also of two layers inclined towards one another, between which there is a horizontal layer, or also of several layers inclined layers exist, or it can be designed as a cylinder half-shell.
  • This shape of the additional layer made of elastomeric material makes it possible to achieve all the stiffnesses and differences in stiffness required in practice in the x and y directions. If the spring travel is large for the spring, which is soft in the vertical direction, then correspondingly large torsion angles also occur in the elastomer spring. So that the shear stress in the partial spherical shell-shaped layer made of elastomeric material does not become too great, the twisting can be distributed over several partial spherical shell-shaped layers arranged concentrically to one another. Since the shear stresses in the partial spherical shell-shaped elastomer layers depend on the radius of the sphere, the layer thicknesses can vary according to the radius of the sphere, and they advantageously increase with increasing radius of the sphere.
  • the axle bearing housing 1 has two support arms 2 and 3 on both sides, which lie in the vehicle longitudinal direction x.
  • the bogie frame 13 or the car body is supported on the support arm 2 via a helical spring 4 and on the support arm 3 via the elastomer spring 5.
  • this elastomer spring 5 consists of a steel part 6 with a part-spherical surface and a steel part 7 with a part-spherical cavity, and an elastomer layer 8 lies between these steel parts.
  • the surfaces of the steel parts 7 and 9, to which the layer 10 is vulcanized, can in principle be horizontally flat. In this case, the suspension in the x and y directions is the same.
  • the suspension in the x and y directions can be of different sizes, so the elastomer layer can also be trough-shaped or it can be roof-shaped, the longitudinal direction of the trough or the roof being in the x or y direction, depending on the in which of these two directions greater elasticity is desired.
  • the additional elastomer layer 10 is trough-shaped, the trough essentially having a U-shaped cross section open at the top.
  • the trough axis runs in the x direction.
  • the trough width is not constant in the x direction, but rather decreases from the center of the elastomer spring 5 in both directions of the trough axis.
  • the spring travel of the steel part 7 in the horizontal x direction is limited by stops 11, 12.
  • Fig. 3 shows an elastomer spring 5 ', which can be used in a primary suspension according to Fig. 1 instead of the elastomer spring 5.
  • the metal part 6 'and the metal part 7' two spherical-spherical elastomer layers 8a 'and 8b' are provided, between which there is a spherical shell-shaped metal layer 6a '.
  • the thickness d1 of the elastomer layer 8a ' is somewhat smaller than the thickness d2 of the elastomer layer 8b' with the larger sphere radius.
  • the additional elastomer layer 10 'between the metal parts 7' and 9 ' is also designed trough-shaped in this embodiment and is composed of essentially flat partial layers 10a', 10b ', 10c', which are arranged inclined to one another.
  • the spherical surfaces of the metal parts 6 and 7 or 6 'and 7' can also be arranged somewhat eccentrically to one another, so that the thickness of the intermediate elastomer layer changes from the center to the edges.
  • elastomers with different elasticity can also be used instead of making the layers of different thicknesses. Natural or synthetic rubber or rubber-elastic plastics can be used as elastomers, provided that the elastomer can be firmly bonded to metals.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Jellies, Jams, And Syrups (AREA)

Claims (7)

1. Suspension primaire pour véhicules sur rail sur laquelle chaque boîte d'essieu (1) présente, en direction longitudinale du véhicule, sur les deux côtés, des bras de support (2, 3) et sur laquelle se trouve entre lesdits bras de support et le châssis ou le caisson respectivement sur un côté, un ressort (4) mou en direction verticale et sur l'autre côté un ressort (5) en élastomère étudié conformément aux propriétés d'élasticité horizontale, suspension sur laquelle entre les faces non planes se trouve une couche de matière élastomère, caractérisée par le fait que le ressort (5) en élastomère présente au moins une couche (8) en matière élastomère réalisée en forme de coupelle partiellement sphérique qui est disposée symétriquement à la direction verticale entre des surfaces partiellement sphériques et comporte des pièces métalliques (6, 7) présentant des centres sensiblement égaux, et qui présente en outre une autre couche (10) en matière élastomère qui présente des faces de délimitation planes situées en direction horizontale, ou bien qui est réalisée en forme d'auge, l'axe de cette auge étant situé en direction horizontale.
2. Suspension primaire selon la revendication 1, caractérisée par le fait que le ressort (5) en élastomère présente deux ou plusieurs couches (8a, 8b) respectivement concentriques en matière élastomère et réalisées en forme de coupelles partiellement sphériques.
3. Suspension primaire selon la revendication 1 ou 2, caractérisée par le fait que la couche élastomère complémentaire (10) est disposée sous les couches (8, 8a, 8b) en forme de coupelles partiellement sphériques.
4. Suspension primaire selon la revendication 2 ou 3, caractérisée par le fait que l'épaisseur (d1, d2) des couches (8a, 8b) élastomère en forme de coupelles partiellement sphériques augmente avec le rayon de la sphère.
5. Suspension primaire selon l'une des revendications 1 à 4, caractérisée par le fait que la couche élastomère complémentaire réalisée en forme d'auge est constituée de deux ou de plusieurs couches partielles (10a, 10b, 10c) inclinées les unes en direction des autres et comportant des surfaces de délimitation planes.
6. Suspension primaire selon l'une des revendications 1 à 4, caractérisée par le fait que la couche élastomère complémentaire réalisée en forme d'auge est réalisée sous la forme d'une semi-coupelle cylindrique.
7. Suspension primaire selon la revendication 5 ou 6, caractérisée par le fait que la largeur de l'auge de la couche complémentaire élastomère se modifie à partir du centre du ressort élastomère en allant dans les deux directions de l'axe de l'auge.
EP86110339A 1985-08-27 1986-07-26 Suspension primaire pour véhicule ferroviaire Expired EP0212348B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3530554 1985-08-27
DE19853530554 DE3530554A1 (de) 1985-08-27 1985-08-27 Primaerfederung fuer schienenfahrzeuge

Publications (2)

Publication Number Publication Date
EP0212348A1 EP0212348A1 (fr) 1987-03-04
EP0212348B1 true EP0212348B1 (fr) 1989-05-10

Family

ID=6279453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110339A Expired EP0212348B1 (fr) 1985-08-27 1986-07-26 Suspension primaire pour véhicule ferroviaire

Country Status (4)

Country Link
EP (1) EP0212348B1 (fr)
DE (2) DE3530554A1 (fr)
DK (1) DK161819C (fr)
NO (1) NO166114C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624080B1 (fr) * 1987-12-03 1994-12-09 Alsthom Creusot Rail Suspension primaire pour vehicule
FR2975655B1 (fr) * 2011-05-24 2013-06-28 Alstom Transport Sa Bogie de vehicule ferroviaire comprenant une suspension primaire agence entre une boite d'essieu et le chassis du bogie

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274955A (en) * 1963-09-03 1966-09-27 Lord Corp Resilient roller bearing adapter
US4026217A (en) * 1975-08-07 1977-05-31 Parsons, Brinckerhoff, Quade & Douglas, Inc. Self steering railway axles and wheels on track curvatures
DE2641656C3 (de) * 1976-09-16 1981-06-11 Waggonfabrik Uerdingen AG, Werk Düsseldorf, 4000 Düsseldorf Radsatzlagerfederung
DE3048516A1 (de) * 1980-12-22 1982-07-15 Wegmann & Co, 3500 Kassel Primaerfederung fuer schienenfahrzeuge
DE3048515A1 (de) * 1980-12-22 1982-07-22 Wegmann & Co, 3500 Kassel Primaerfederung und radsatzanlenkung fuer schienenfahrzeuge

Also Published As

Publication number Publication date
EP0212348A1 (fr) 1987-03-04
NO863282L (no) 1987-03-02
NO166114B (no) 1991-02-25
DK407686D0 (da) 1986-08-27
NO166114C (no) 1991-06-05
DK161819B (da) 1991-08-19
DE3663240D1 (en) 1989-06-15
DE3530554A1 (de) 1987-03-05
NO863282D0 (no) 1986-08-14
DK407686A (da) 1987-02-28
DK161819C (da) 1992-01-20

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