EP3995382B1 - Dispositif de direction pour un dispositif d'accouplement en particulier d'un véhicule ferroviaire - Google Patents

Dispositif de direction pour un dispositif d'accouplement en particulier d'un véhicule ferroviaire Download PDF

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Publication number
EP3995382B1
EP3995382B1 EP20207583.4A EP20207583A EP3995382B1 EP 3995382 B1 EP3995382 B1 EP 3995382B1 EP 20207583 A EP20207583 A EP 20207583A EP 3995382 B1 EP3995382 B1 EP 3995382B1
Authority
EP
European Patent Office
Prior art keywords
drawbar
plate
support flange
overload
elements
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
EP20207583.4A
Other languages
German (de)
English (en)
Other versions
EP3995382A1 (fr
Inventor
Stefan FAAS
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.)
Faiveley Transport Schwab AG
Original Assignee
Faiveley Transport Schwab AG
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 Faiveley Transport Schwab AG filed Critical Faiveley Transport Schwab AG
Publication of EP3995382A1 publication Critical patent/EP3995382A1/fr
Application granted granted Critical
Publication of EP3995382B1 publication Critical patent/EP3995382B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/04—Draw-gear combined with buffing appliances
    • B61G9/10—Draw-gear combined with buffing appliances with separate mechanical friction shock-absorbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/04—Draw-gear combined with buffing appliances
    • B61G9/06—Draw-gear combined with buffing appliances with rubber springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/04—Draw-gear combined with buffing appliances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G11/00—Buffers
    • B61G11/16—Buffers absorbing shocks by permanent deformation of buffer element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B61G7/10—Mounting of the couplings on the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B61G7/10—Mounting of the couplings on the vehicle
    • B61G7/12—Adjustable coupling bars, e.g. for centralisation purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G7/00—Details or accessories
    • B61G7/14—Safety devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/20—Details; Accessories
    • B61G9/24—Linkages between draw-bar and framework

Definitions

  • the invention relates to a linkage device for a coupling, in particular of a rail vehicle, with a drawbar and several spring elements mounted on it to dampen the tensile and compressive forces that arise.
  • a plate arranged between these and a support flange that can be fastened to the rail vehicle are arranged, on which the plate that supports the drawbar is held.
  • a linkage device of this type is described in the publication EP3 385 143
  • the coupling head is connected to a drawbar which is hinged to a steering pin of the rail vehicle and which is provided with spring elements sitting on it for dampening the compressive and tensile forces which arise when the rail vehicle is coupled.
  • the rotating plate is mounted in a sleeve-shaped housing with a steering pin and can be moved axially in a flange.
  • An overload protection device is provided, whereby in normal operation the housing is axially fixed in the flange against each other with overload elements, while in the event of an overload the overload elements are sheared off by the housing and the latter is pushed backwards by the flange together with the rotating plate and the pull rod with the spring elements.
  • This has the advantage that after the overload elements are sheared off, for example as a result of a collision with another vehicle, the pull rod together with the plate and the spring elements has enough space to be moved.
  • this requires this complex structure on the one hand and also means that after the overload elements are sheared off the spring assembly can only be removed together with the housing.
  • the publication WO 2016/0000601 discloses a coupling connector with a mounting seat, at least two energy absorbing components, a pull rod and a round cylinder, the latter being mounted within a first mounting hole of the mounting seat and limiting the axial movement of the cylinder by means of a cutting component.
  • a deflection plate is provided within the cylinder, which runs approximately perpendicular to the axial direction and movably supports the pull rod.
  • a guide groove is provided on the outside of the cylinder, into which a guide pin engages.
  • the invention is based on the object of avoiding these disadvantages and of creating a linkage device of the type mentioned at the outset, which is provided with a simple construction and is easy to assemble.
  • the pull rod with the spring elements mounted on it and the plate arranged between them can be inserted into the support flange as a modular unit and the plate can be connected to the support disks placed in the openings using the overload elements.
  • the plate is manufactured without a pivot pin and the housing present in the known linkage device is omitted, which is very advantageous in terms of manufacturing technology.
  • the invention further provides that a fastening means for fixing the support disks to the plate is provided, preferably in the axis of rotation of the support disks arranged coaxially to one another.
  • the plate is fitted with two overload elements arranged in pairs one after the other in the axial direction of the tie rod.
  • the number, arrangement and dimensions of the overload elements installed in the support disks can be adapted to the respective operating conditions from case to case.
  • the articulation device also provides that the plate and the support disks arranged coaxially on both sides of it are pivotably mounted in the openings of the support flange about a vertical axis.
  • the pull rod is pivotably mounted in the plate by a swivel joint, by means of which the pull rod can pivot both horizontally and vertically.
  • the linkage device shown consists essentially of a drawbar 1 that can be connected to a connecting rod, a coupling head, a spacer tube, a shell sleeve, an energy absorption element or the like, with several spring elements 2 mounted on this to dampen the compressive and tensile forces that arise in the coupled state.
  • a support flange 3 that can be attached to a vehicle body or the like of the rail vehicle (not shown in detail) is provided, which is provided with openings 3' for its attachment.
  • the drawbar 1 is mounted in a plate 5 arranged between these spring elements 2.
  • Such a linkage device is suitable for rail vehicles of all types, such as passenger cars, freight cars, locomotives or cars for other purposes.
  • the plate 5 is connected on its outer circumference opposite one another to a support disk 10, 11 in an opening 8', 9' of the support flange 3 by at least two overload elements 14a, 14b arranged next to one another, these overload elements 14a, 14b being arranged with their axes 14 parallel to one another in a plane in the direction the tie rod 1 and can be sheared off in the event of an overload in the compression or tension direction of the tie rod.
  • these overload elements could also be arranged in a different way than parallel and in one plane.
  • the shown cutting plane along the axes 14 of the overload elements 14a, 14b arranged in pairs is arranged at a distance from the axis of rotation A of the support disks 10, 11 or from the longitudinal axis of the pull rod.
  • the support disks 10, 11 arranged coaxially to one another and the plate 5, which are located in these openings 8' of projections 8, 9 of the support flange 3, are provided with a central bore 4 in the axial direction A, in each of which a detachable fastening means 4a is provided for fixing them to the plate 5.
  • This fastening means 4a is preferably a screw and serves primarily as an assembly aid. It could also be screwed in at a different position than shown and several of these could be used per support disk 10, 11. In the event of an overload, this fastening means 4a is also sheared off.
  • the spring elements 2 arranged in a row on both sides of the plate 5 are equipped with five pads in the compression direction and three in the tension direction. Depending on the circumstances, this number can be varied between at least one spring element 2 in front of and behind the plate or, as shown, more than two.
  • overload elements 14a, 14b are preferably designed as shear bolts or shear screws. However, they could also be designed in the form of discs, sliding blocks or other shapes and provided with groove-shaped predetermined breaking points, and they are dimensioned such that they are sheared off when a predetermined overload occurs.
  • the pull rod 1 is pushed backwards together with the spring elements 2 and the plate 5 when an excessive impact force occurs. Depending on the strength of an impact, this can be overcome without significant damage to the clutch or vehicle. This shows that the number and/or dimensions of the overload elements used can be varied from case to case so that their effectiveness is optimally designed under the respective requirements of the maximum impact or tensile forces.
  • the plate 5 has two flat edge portions 6, 7 arranged diametrically opposite one another, which are guided with almost no play in projections 8, 9 flattened on the inside of the support flange 3.
  • these flat edge portions could also be cylindrical or similar.
  • a cover 12 which closes the opening 8', 9' can be fastened to the projections 8, 9 and which can be closed with a number of fastening means 12', e.g. screws.
  • This robust fastening of the cover 12 ensures that the support disks are held securely in the support flange in the event of shearing and that they can be easily replaced.
  • the articulation device provides that the plate 5 and the support disks 10, 11 arranged coaxially on both sides of it are pivotably mounted in the openings 8', 9' of the projections 8, 9 of the support flange 3 about a vertical axis A.
  • the pull rod 1 is preferably mounted in the plate 3 so that it can be deflected by a swivel joint 13. A sleeve with a spherical shape on the outer circumference of the swivel joint 13 can be seen. This allows the pull rod 1 to be pivoted both horizontally and vertically by a limited angle.
  • the spring elements 2 with the plate 5 in between are installed on the pull rod 1 between a front sleeve 19 and a rear locking disk 15. They can be fixed and pre-tensioned against the sleeve 19 by means of a secured nut 16 or the like that can be screwed into the rear end of the pull rod.
  • the support flange 3 is assigned a centering device, which has a centering means 20 on at least one side of the support flange 3 or preferably on both sides, which consists of a spring pressure element 21 with a sliding element 22 and a guide rail 23 interacting with the latter with a guide track 23'.
  • This spring pressure element 21 comprises a compression spring 21', a movable piston element 24 acted upon by the latter, on which the sliding element 22, preferably provided as a roller, is mounted.
  • This sliding element 22 is pressed by the spring pressure element 21 onto the guide rail 23, which is attached laterally to the plate 5 and runs parallel to the longitudinal axis of the pull rod 1.
  • This guide rail 23 could also be directly on the plate and its shape could be cylindrical, curved or otherwise, depending on the desired characteristics of the centering.
  • This centering with the two centering means 20 on both sides of the plate 5 thus interacts with the unit formed by the pull rod 1 and the plate 5 in such a way that the pull rod 1 is always positioned with its longitudinal axis in the unloaded state in a horizontal orientation approximately in the longitudinal direction of the rail vehicle.
  • These sliding elements 23 act on the guide rail 23 offset from the rotation axis A with respect to the longitudinal axis of the pull rod 1, so that a torque is exerted on the plate.
  • the support flange 3 can have a connecting arm, which is articulated on it in a bearing 17 and preferably aligned parallel to the pull rod, with a compression spring loading it in the longitudinal direction, in a radial extension of the projection 9, which is not shown in detail.
  • a connecting arm is shown in the European Application No. 19 214 224.8 explained in detail and therefore not described in more detail below.
  • the drawbar 1 In the event of a collision with an obstacle or another vehicle, the drawbar 1 is subjected to overload forces which, when they reach a predetermined strength, cause the overload elements to shear off. This allows the drawbar 1 together with the spring assembly 2 and plate 5 to be pushed backwards into a vehicle body of the rail vehicle through the opening in the support flange 3 which is flush with the outer profile of the plate. This means that the spring assembly can be reinstalled without great effort after a crash, provided that no irreversible damage has occurred.
  • Fig.3 For connecting the support disks 10, 11 to the plate 5, four overload elements 14a, 14b are provided, which are arranged in pairs with their axes 14 parallel to each other and in the plane in the direction of the pull rod. These four overload elements 14a, 14b are advantageously arranged symmetrically and at the same distance from the axis A. In addition, the centric arrangement of the fastening means 4a, the cover 12 and the number of its fastening means 12' are visible.
  • the support disks could be fixed in the respective opening of the support flange in the respective opening.
  • the number of overload elements for each support disk is at least two. In principle, these could be arranged on the plane of the longitudinal axis of the pull rod.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Springs (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (8)

  1. Dispositif de direction d'un accouplement, en particulier d'un véhicule ferroviaire, comprenant un tirant (1), plusieurs éléments (2) de ressort montés sur celui-ci, pour amortir des forces de traction et de compression, qui se créent, comprenant une plaque (5) disposée entre ceux-ci ainsi qu'une bride (3) d'appui pouvant être fixée au véhicule ferroviaire, dans lequel cette plaque (5) logeant le tirant (1) est retenue à la bride (3) d'appui et est, par au moins respectivement deux éléments (14a, 14b) de surcharge montés l'un à côté de l'autre, reliée sur son pourtour extérieur en opposition à respectivement un disque (10, 11) de support dans respectivement une ouverture (8', 9') de la bride (3) d'appui, dans lequel ces éléments (14a, 14b) de surcharge peuvent se cisailler lors d'une surcharge dans la direction de compression ou de traction du tirant (1), et dans lequel au moins respectivement un élément (2) de ressort est disposé de part et d'autre de la plaque (5), caractérisé en ce que
    la bride (3) d'appui a, des deux côtés, respectivement une saillie (8, 9) avec l'ouverture (8', 9') respective pour les disques (10, 11) de support, qui peuvent être fermées du côté extérieur par respectivement un couvercle (12) ayant un certain nombre de moyens de fixation.
  2. Dispositif de direction suivant la revendication 1, caractérisé en ce que,
    dans l'axe (A) des disques (10, 11) de support montés coaxialement l'un par rapport à l'autre, est prévu respectivement un moyen (4a, 4b) de fixation pour leur fixation à la plaque (5), dans lequel le plan formé des éléments (14a, 14b) de surcharge disposés par paire se trouvent à distance de l'axe (A) des disques (10, 11) de support.
  3. Dispositif de direction suivant la revendication 2, caractérisé en ce que,
    pour la liaison des disques (10, 11) de support respectifs à la plaque (5), il est prévu quatre éléments (14a, 14b) de surcharge, qui sont disposés par paire en ayant leurs axes (14) parallèles entre eux et dans le plan dans la direction du tirant (1) .
  4. Dispositif de direction suivant l'une des revendications 1 à 3, caractérisé en ce que
    le tirant (1) est monté supplémentairement, par une articulation (13) pivotante, avec possibilité de déviation dans la plaque (5) .
  5. Dispositif de direction suivant l'une des revendications 1 à 4, caractérisé en ce que
    la plaque (5) à l'extérieur et respectivement la bride (3) d'appui à l'intérieur ont des dimensions telles que le tirant (1) peut, avec les éléments (2) de ressort montés sur celui-ci et la plaque (5) disposée entre eux, être inséré sous la forme d'une unité dans la bride (3) d'appui et la plaque (5) peut, au moyen des moyens (4a, 4b) de fixation et des éléments (14a, 14b) de surcharge, être reliée aux disques (10, 11) de support placés dans les ouvertures (8', 9').
  6. Dispositif de direction suivant l'une des revendications 1 à 5, caractérisé en ce qu'
    à la bride (3) d'appui est associé un centrage au milieu, qui coopère avec l'unité formée par le tirant (1) et la plaque (5), de manière à pouvoir ajuster le tirant (1) par son axe longitudinal à l'état non chargé, dans la direction horizontale, toujours à peu près dans la direction longitudinale du véhicule ferroviaire.
  7. Dispositif de direction suivant la revendication 5, caractérisé en ce que
    ce centrage au milieu à la bride (3) d'appui a au moins un moyen (20) de centrage composé d'un organe (21) de poussée par un ressort ayant un élément (22) de coulissement et un rail (23) de guidage coopérant avec ce dernier, dans lequel le rail (23) de guidage s'étend parallèlement à l'axe longitudinal du tirant (1) .
  8. Dispositif de direction suivant l'une des revendications 1 à 7, caractérisé en ce que,
    sur la bride (3) d'appui est montée, par un ressort sur elle dans le prolongement de la une saillie (9) sur un palier (17) un bras de liaison dirigé de préférence parallèlement au tirant (1), lequel bras est retenu d'une part à la bride (3) d'appui et d'autre part au tirant (1) et fait qu'une force de poussée d'appui est produite sur le tirant (2) et ainsi est provoquée au moins une certaine position de centrage en hauteur de la tête d'accouplement de celui-ci.
EP20207583.4A 2020-11-09 2020-11-13 Dispositif de direction pour un dispositif d'accouplement en particulier d'un véhicule ferroviaire Active EP3995382B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH001437/2020A CH718041B1 (de) 2020-11-09 2020-11-09 Anlenkungseinrichtung für eine Kupplung insbesondere eines Schienenfahrzeugs.

Publications (2)

Publication Number Publication Date
EP3995382A1 EP3995382A1 (fr) 2022-05-11
EP3995382B1 true EP3995382B1 (fr) 2024-04-17

Family

ID=73448955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20207583.4A Active EP3995382B1 (fr) 2020-11-09 2020-11-13 Dispositif de direction pour un dispositif d'accouplement en particulier d'un véhicule ferroviaire

Country Status (4)

Country Link
US (1) US20220144323A1 (fr)
EP (1) EP3995382B1 (fr)
CN (1) CN114454912A (fr)
CH (1) CH718041B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022119460A1 (de) 2022-08-03 2024-02-08 Voith Patent Gmbh Kupplungsschaftanlenkung für eine Mittelpufferkupplung eines Schienenfahrzeugs und Mittelpufferkupplung für ein Schienenfahrzeug
SE2251273A1 (en) * 2022-11-01 2024-05-02 Dellner Couplers Ab Spacer arrangement for a mounting compartment of a rail vehicle and method for installing a draft gear and a spacer arrangement in a mounting compartment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5823271B2 (ja) * 1978-09-20 1983-05-13 株式会社日本製鋼所 連結器復心装置
CN102343918B (zh) * 2011-07-12 2016-08-17 中车青岛四方车辆研究所有限公司 用于轨道车辆的内拉断式缓冲装置
CN203996265U (zh) * 2014-06-30 2014-12-10 常州南车铁马科技实业有限公司 一种轨道车辆用车钩缓冲器
CN104071175B (zh) * 2014-06-30 2016-12-07 常州南车铁马科技实业有限公司 轨道车辆用车钩缓冲器
CH713677B1 (de) 2017-04-06 2021-04-30 Faiveley Transp Schwab Ag Anlenkungseinrichtung für eine Kupplung eines Schienenfahrzeugs.

Also Published As

Publication number Publication date
EP3995382A1 (fr) 2022-05-11
CN114454912A (zh) 2022-05-10
CH718041B1 (de) 2023-05-31
US20220144323A1 (en) 2022-05-12
CH718041A2 (de) 2022-05-13

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