EP3810482B1 - Dispositif de raccordement comprenant un absorbeur d'énergie et caisson de wagon - Google Patents

Dispositif de raccordement comprenant un absorbeur d'énergie et caisson de wagon Download PDF

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Publication number
EP3810482B1
EP3810482B1 EP19746000.9A EP19746000A EP3810482B1 EP 3810482 B1 EP3810482 B1 EP 3810482B1 EP 19746000 A EP19746000 A EP 19746000A EP 3810482 B1 EP3810482 B1 EP 3810482B1
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EP
European Patent Office
Prior art keywords
connecting device
housing
car body
outer housing
inner housing
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
EP19746000.9A
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German (de)
English (en)
Other versions
EP3810482A1 (fr
Inventor
Gerhard Schmidt
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.)
Siemens Mobility GmbH
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Siemens Mobility GmbH
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Publication date
Application filed by Siemens Mobility GmbH filed Critical Siemens Mobility GmbH
Publication of EP3810482A1 publication Critical patent/EP3810482A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G9/00—Draw-gear
    • B61G9/12—Continuous draw-gear combined with buffing appliances, e.g. incorporated in a centre sill

Definitions

  • the invention relates to a connecting device for connecting car bodies of a rail vehicle and a car body comprising a car body housing and at least one such connecting device connected to the car body housing according to the preamble of claim 1.
  • connection device is, for example, from WO 2015/096893 A1 , the EP 3 072 773 A1 or the EP 2 845 784 A1 known.
  • Such connecting devices are used to attach components (e.g. short car bodies or car body components) of a rail vehicle, which are arranged in the longitudinal direction between the two adjacent car bodies, but remain spaced apart from these two due to the relative movements that occur during normal driving operation, for example when cornering must.
  • components e.g. short car bodies or car body components
  • the longitudinal direction designates the direction along the rails or the direction of movement of the rail vehicle.
  • the transverse direction designates the directions perpendicular to the longitudinal direction.
  • the object is to provide a connecting device for connecting car bodies of a rail vehicle with improved energy absorption in the event of a collision.
  • the car bodies of multi-part rail vehicles can be connected via an arrangement of outer housing and inner housing, with energy being absorbed by the energy absorber by irreversible deformation in the event of a collision. If a predetermined compressive force (response force) is exceeded, the inner housing and the outer housing move towards one another or into one another, so that the length of the connecting device is shortened and energy is absorbed by the force exerted by the energy absorber. To a certain extent, damage in the event of a collision can be limited to the connection device, which makes repairs much easier.
  • the Driving device is provided as a positive connection for the transmission of tensile forces between the inner housing and the outer housing.
  • the entrainment device is preferably connected to the inner housing and the outer housing in a tension-resistant manner, but not in a pressure-resistant manner.
  • the entrainment device can be designed as a rotationally symmetrical sleeve, which preferably runs in the transverse direction.
  • the invention uses a design of an energy-absorbing connection device in which the energy absorber, which itself can only transmit compressive forces, is installed prestressed between the inner housing and the outer housing in such a way that a play-free system is guaranteed over the entire range of the tensile and compressive forces occurring during normal operation.
  • the inner housing and the outer housing can then be designed in such a way that tensile forces can be transmitted between them in a form-fitting manner.
  • the connecting device can also additionally comprise elastic springs, which can cushion compressive forces below the predetermined compressive force. Only when these springs are fully compressed and become rigid does an irreversible deformation occur in the energy absorber.
  • the energy absorber preferably comprises an energy absorption sleeve and a pressure rod, the pressure rod and the energy absorption sleeve being set up in such a way that the pressure rod pushes into the energy absorption sleeve when the predetermined pressure force is exceeded and deforms it irreversibly.
  • the push rod and the energy absorbing sleeve can extend along the longitudinal axis and, when the connecting device is in the idle state, can rest in a form-fitting manner on end faces facing one another.
  • the energy absorption sleeve can comprise a deformation section and a rear section in the longitudinal direction, wherein preferably only the deformation section is set up for controlled, irreversible deformation by the push rod.
  • a pressure ring is arranged on one axial end of the pressure rod, which widens the energy absorption sleeve radially along the longitudinal axis when the pressure rod is pushed into the energy absorption sleeve.
  • the pressure force can then be applied to the pressure ring from the inner housing via the pressure rod.
  • the compression ring may have a greater radial thickness than the energy absorbing shroud.
  • the energy absorption cover can have a smaller outer radius in a deformation section than in a rear section.
  • the connecting device can have a hollow space, preferably in the form of a cylindrical ring, in the longitudinal direction at the level of the deformation section, in which cavity the deformation section can be widened.
  • Other geometric arrangements or other active principles of the energy absorber eg folding or chipping during the irreversible deformation are also conceivable while retaining the principle of bracing.
  • the pressure ring has a cross-section tapering in the longitudinal direction; thus, the compression ring can expand the energy absorption envelope in a controlled and uniform manner. The risk of the push rod and the energy absorption sleeve tilting and thus of the energy absorber failing is reduced.
  • An axial end of the energy absorber and of the outer housing are preferably each connected to a common cover.
  • the tensile forces acting on the connecting device can be deflected into compressive forces on the energy absorber via a cover connected (e.g. screwed) to the outer housing.
  • the lid may be attached to the energy absorbing sleeve and the outer case with multiple screws.
  • a cover there are also embodiments with a central single bolt or nut for connection to the energy absorbing sleeve and the outer housing.
  • the entraining device is at least partially arranged in a load path of the tensile force transmission of the connecting device. In normal operation (under the effect of a tensile force), the connection of the housing parts via the entrainment device can then be loaded just as strongly as a continuous connection between the housing parts, since it lies fully in the power flow.
  • the connecting device comprises functional surfaces for the positive transmission of tensile forces between the outer housing and the inner housing, the functional surfaces being designed as half rotary cylinders in the outer housing and in the inner housing.
  • the connecting device comprises functional surfaces for the positive transmission of tensile forces between the outer housing and the inner housing, with the functional surfaces being designed as slots in the outer housing and in the inner housing, and with the driver device being guided in both slots in the transverse direction.
  • the functional surfaces can be arranged in the outer housing and the inner housing as oblong holes that are dimensioned at least long enough for the driver device to move in the longitudinal direction in the longitudinal direction by half the nominal stroke of the energy absorber in the event of irreversible deformation.
  • the functional surfaces are preferably arranged at the ends of the elongated holes. In this way, the functional surfaces clamp the driver device in the initial position between the housing parts or limit its longitudinal movement in the deformed state.
  • a car body comprising a car body housing and at least one connected to the car body housing Connection device solved according to one of the preceding embodiments.
  • the car body can be a short car body or just a car body segment.
  • the connecting device is preferably connected to the car body housing via the entrainment device.
  • the car body housing can be fastened to the entrainment device in a form-fitting manner using an entrainment pin.
  • the rigid assignment of the car body attached to the entrainment device to one of the two car bodies connected by the energy absorber is eliminated.
  • the car body can move between the adjacent car bodies independently of the deformation force of the energy absorber, which means that all the free spaces in the longitudinal direction are available for an energy-absorbing stroke.
  • the connection to the driving device is just as resilient as a known continuous connection device, since it lies fully in the power flow.
  • the invention allows the driver device to be arranged for connection in the force flow of the bracing of the energy absorber.
  • the invention allows the reliable realization of comparatively short and light car bodies (segments) of a multi-part rail vehicle with optimal use of the functionally conditioned freedom of movement for an energy-absorbing stroke in the event of a collision.
  • FIGS. 1 to 4 show the same embodiment of a connecting device 1 according to the invention.
  • Figures 1 and 2 show the connecting device 1 in the extended position under train, ie during normal operation of a rail vehicle.
  • Figures 3 and 4 show the connecting device 1 after the irreversible deformation of the energy absorber, for example after a collision.
  • the connecting device 1 comprises an outer housing 2, an inner housing 3 and an energy absorber 4 connected to the outer housing 2 and the inner housing 3.
  • the outer housing 2, the inner housing 3 and the energy absorber 4 are arranged essentially along a common longitudinal axis (here the vertical).
  • the connecting device 1 is set up to transmit tensile forces and compressive forces along the longitudinal axis.
  • the energy absorber 4 is designed to when a predetermined compressive force is exceeded along the To deform the longitudinal axis irreversibly, so that the length of the connecting device 1 is reduced along the longitudinal axis and the inner housing 3 is partially pushed into the outer housing 2 .
  • the result of this irreversible deformation is Figures 3 and 4 shown.
  • the connecting device 1 can also additionally comprise elastic springs 5, which can cushion compressive forces below the predetermined compressive force. Only when these springs 5 are fully compressed and become hard does irreversible deformation occur in the energy absorber 4.
  • the springs 5 are each designed here as two elastic spring rings.
  • the energy absorber 4 comprises an energy absorption sleeve 6 and a push rod 7.
  • the push rod 7 and the energy absorption sleeve 6 are set up in such a way that the push rod 7 pushes into the energy absorption sleeve 6 when the predetermined compressive force is exceeded and deforms it irreversibly.
  • the push rod 7 and the energy absorption sleeve 6 can extend along the longitudinal axis and, when the connecting device 1 is in the idle state, can rest in a form-fitting manner on facing end faces (see FIG figure 2 ).
  • the energy absorption sleeve 6 includes a radial expansion in which the push rod 7 rests.
  • the energy absorption sleeve 6 comprises a deformation section 8 and a rear section 9 in the longitudinal direction, with preferably only the deformation section 8 being set up by the push rod 7 for controlled, irreversible deformation.
  • a pressure ring 10 which, when the push rod 7 is pushed into the energy absorption sleeve 6, expands the energy absorption sleeve 6 radially along the longitudinal axis (cf figures 2 and 4 ).
  • the pressure ring can be designed in one piece with the push rod 7 or can be connected to the push rod 7 in a form-fitting or material-locking manner. The pressure force can then be applied to the pressure ring 10 by the inner housing 3 via the pressure rod 7 . This provides constant braking power and energy absorption.
  • the pressure ring 10 can have a greater radial thickness than the energy absorption sleeve 6 .
  • the energy absorption cover 6 can have a smaller outer radius in the deformation section 8 than in the rear section 9.
  • the connecting device 1 can have a preferably cylindrical cavity 11 in the longitudinal direction at the height of the deformation section 8, in which the deformation section 8 can be widened.
  • the hollow space 11 can be arranged between the energy absorption cover 6 and the outer housing 2 in the radial direction.
  • the pressure ring 10 has a conically tapering cross-section in the longitudinal direction; thus, the pressure ring 10 can expand the energy absorption envelope 6 in a controlled and uniform manner. The risk of the push rod 7 and the energy absorption sleeve 6 tilting and thus of the energy absorber 4 failing is reduced.
  • Axial ends of the energy absorber 4 and the outer housing 2 are connected to a common cover 12 .
  • the cover 12 can be fastened to the energy absorption sleeve 6 and the outer housing 2 with several screws.
  • the connecting device 1 comprises a driving device 13 for connecting the connecting device 1 to a car body housing of a car body.
  • the driver device 13 is provided as a form-fitting connection for the transmission of tensile forces between the inner housing 3 and the outer housing 2 .
  • the take-along device 13 is firmly connected to the inner housing 3 and the outer housing 2, but not pressure-tight.
  • the driver device 13 is designed here as a rotationally symmetrical sleeve, which preferably runs in the transverse direction perpendicular to the longitudinal direction.
  • the connection device 1 can be fastened to a car body by means of the driving device 13 in a form-fitting manner via a driving pin 15 .
  • the connecting device 1 comprises functional surfaces for the positive transmission of tensile forces between the outer housing 2 and the inner housing 3, the functional surfaces being designed as oblong holes 14 in the outer housing 2 and in the inner housing 3.
  • the entraining device 13 is guided in the two elongated holes 14 in the transverse direction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
  • Handcart (AREA)

Claims (9)

  1. Dispositif (1) de liaison pour relier des caisses d'un véhicule ferroviaire, comprenant :
    - une enveloppe (2) extérieure,
    - une enveloppe (3) intérieure,
    - un absorbeur (4) d'énergie reliant l'enveloppe (2) extérieure et l'enveloppe (3) intérieure, et
    - un dispositif (13) entraîneur pour relier le dispositif (1) de liaison à la carcasse d'une caisse,
    - dans lequel l'enveloppe (2) extérieure, l'enveloppe (3) intérieure et l'absorbeur (4) d'énergie sont disposés sensiblement le long d'un axe longitudinal commun, et
    - dans lequel le dispositif (1) de liaison est conçu pour transmettre des forces de traction et des forces de compression le long de l'axe longitudinal, et
    - dans lequel l'absorbeur (4) d'énergie est conçu pour se déformer irréversiblement lorsqu'une force de pression définie à l'avance le long de l'axe longitudinal est dépassée, de sorte que la longueur du dispositif (1) de liaison, le long de l'axe longitudinal, est réduite et que l'enveloppe (3) intérieure se décale en partie dans l'enveloppe (2) extérieure,
    caractérisé en ce qu'
    il est prévu des surfaces fonctionnelles de transmission à complémentarité de forme de forces de traction entre l'enveloppe (2) extérieure et l'enveloppe (3) intérieure, les surfaces fonctionnelles étant constituées sous la forme de boutonnières (14) dans l'enveloppe (2) extérieure et dans l'enveloppe (3) intérieure, et dans lequel le dispositif (13) entraîneur passe dans la direction transversale dans les deux boutonnières (14).
  2. Dispositif (1) de liaison suivant la revendication 1, caractérisé en ce que
    l'absorbeur (4) d'énergie comprend :
    - un manchon (6) d'absorption d'énergie et
    - une tringle (7) de poussée,
    dans lequel la tringle (7) de poussée et le manchon (6) d'absorption d'énergie sont conçus de manière à ce que la tringle (7) de poussée pénètre, lorsque la force de compression définie à l'avance est dépassée, dans le manchon (6) d'absorption de l'énergie et le déforme de manière irréversible.
  3. Dispositif (1) de liaison suivant la revendication 2,
    caractérisé à ce qu'
    à un bout axial de la tringle (7) de poussée est monté un anneau (10) de poussée qui, lorsque la tringle (7) de poussée pénètre dans la manchon (6) d'absorption de l'énergie, élargit le long de l'axe longitudinal radialement le manchon (6) d'absorption de l'énergie.
  4. Dispositif (1) de liaison suivant la revendication 3,
    caractérisé en ce que
    l'anneau (10) de poussée a une section transversale pointant coniquement dans la direction longitudinale.
  5. Dispositif (1) de liaison suivant l'une des revendications précédentes,
    caractérisé en ce que
    respectivement un bout axial de l'absorbeur (4) d'énergie et de l'enveloppe (2) extérieure sont reliés par un couvercle (12) commun.
  6. Dispositif (1) de liaison suivant l'une des revendications précédentes,
    caractérisé en ce que
    le dispositif (13) entraîneur est disposé au moins en partie dans un chemin de charge de la transmission de force de traction du dispositif (1) de liaison.
  7. Dispositif (1) de liaison suivant l'une des revendications précédentes,
    caractérisé en ce qu'
    il est prévu des surfaces fonctionnelles pour la transmission à complémentarité de forme de forces de traction entre l'enveloppe (2) extérieure et l'enveloppe (3) intérieure, les surfaces fonctionnelles étant constitués sous la forme de demi-cylindre de révolution dans l'enveloppe (2) extérieure et dans l'enveloppe (3) intérieure.
  8. Caisse de voiture comprenant une carcasse de caisse de voiture et au moins un dispositif (1) de liaison relié à la carcasse de la caisse de voiture suivant l'une des revendications précédentes.
  9. Caisse de voiture suivant la revendication 8, dans laquelle le dispositif (1) de liaison est relié à la carcasse de la caisse de voiture par le dispositif (13) entraîneur.
EP19746000.9A 2018-08-17 2019-07-09 Dispositif de raccordement comprenant un absorbeur d'énergie et caisson de wagon Active EP3810482B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018213945.8A DE102018213945A1 (de) 2018-08-17 2018-08-17 Verbindungseinrichtung mit Energieabsorber und Wagenkasten
PCT/EP2019/068411 WO2020035223A1 (fr) 2018-08-17 2019-07-09 Dispositif de raccordement comprenant un absorbeur d'énergie et caisson de wagon

Publications (2)

Publication Number Publication Date
EP3810482A1 EP3810482A1 (fr) 2021-04-28
EP3810482B1 true EP3810482B1 (fr) 2023-03-01

Family

ID=67480168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19746000.9A Active EP3810482B1 (fr) 2018-08-17 2019-07-09 Dispositif de raccordement comprenant un absorbeur d'énergie et caisson de wagon

Country Status (7)

Country Link
EP (1) EP3810482B1 (fr)
CN (1) CN215663440U (fr)
DE (1) DE102018213945A1 (fr)
ES (1) ES2945743T3 (fr)
PL (1) PL3810482T3 (fr)
RU (1) RU205881U1 (fr)
WO (1) WO2020035223A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502530A1 (de) * 2005-08-18 2007-04-15 Evoinvent Ag Kuppelvorrichtung
PL2036799T3 (pl) * 2007-09-11 2010-07-30 Voith Patent Gmbh Wymienna jednostka do rozpraszania energii, zwłaszcza do stosowania w kombiacji ze zderzakiem
EP2072370B1 (fr) * 2007-12-17 2010-06-23 Voith Patent GmbH Dispositif d'absorption d'énergie pour une caisse d'un véhicule composé de plusieurs unités
GB2517970B (en) * 2013-09-06 2016-02-10 T A Savery & Co Ltd A buffer
EP2886413A1 (fr) * 2013-12-23 2015-06-24 Ego International B.V. Support de palier, ensemble contenant un tel support de palier et système contenant un tel ensemble
EP2949539B3 (fr) * 2014-05-28 2021-04-14 Dellner Couplers AB Dispositif de dissipation d'énergie et appareil de connexion comprenant un tel dispositif
DE102015205434A1 (de) * 2015-03-25 2016-09-29 Siemens Aktiengesellschaft Fahrzeug mit gelenkiger Anbindung einer Kuppelstange
RU2651317C1 (ru) * 2017-04-06 2018-04-19 Валентин Карпович Милованов Аварийная крэш-система электропоезда
RU173118U1 (ru) * 2017-04-06 2017-08-14 Валентин Карпович Милованов Тяговый узел подвижного состава

Also Published As

Publication number Publication date
ES2945743T3 (es) 2023-07-06
WO2020035223A1 (fr) 2020-02-20
PL3810482T3 (pl) 2023-05-29
EP3810482A1 (fr) 2021-04-28
CN215663440U (zh) 2022-01-28
RU205881U1 (ru) 2021-08-11
DE102018213945A1 (de) 2020-02-20

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