EP4013659B1 - Couplage de traction électrique et couplage de traction équipé dudit couplage de traction électrique - Google Patents

Couplage de traction électrique et couplage de traction équipé dudit couplage de traction électrique Download PDF

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Publication number
EP4013659B1
EP4013659B1 EP20744007.4A EP20744007A EP4013659B1 EP 4013659 B1 EP4013659 B1 EP 4013659B1 EP 20744007 A EP20744007 A EP 20744007A EP 4013659 B1 EP4013659 B1 EP 4013659B1
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EP
European Patent Office
Prior art keywords
train coupling
electric train
contact element
electric
elements
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Application number
EP20744007.4A
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German (de)
English (en)
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EP4013659A1 (fr
Inventor
Lukas Mann
Kay Uwe Kolshorn
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Voith Patent GmbH
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Voith Patent GmbH
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Publication of EP4013659A1 publication Critical patent/EP4013659A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
    • B61G5/10—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for electric cables

Definitions

  • the present invention relates to an electric train coupling with two electric train coupling halves that can be coupled to one another according to the preamble of claim 1.
  • the present invention also relates to a train coupling with such an electric train coupling.
  • Rail vehicles as the present invention relates in a broader sense, have not only a mechanical coupling but also an electric coupling and usually an air coupling between the carriages to be coupled or coupled with one another, so that on the one hand mechanical tensile and compressive forces can be transmitted between the carriages and secondly, the carriages can be supplied with electrical power and, in particular, with compressed air.
  • the couplings accordingly have two coupling halves, in the case of the mechanical coupling with coupling devices for transmitting the tensile and compressive forces and in the case of the electric train coupling with electric train coupling plug contacts for producing an electrically conductive connection between the electric train coupling halves.
  • the electric train coupling halves may be provided in their own housing, such as in EP 2 505 450 A1 is revealed. In doing so, measures can be taken to protect the device connected to the housing To pivot protective flap using a simple mechanism relative to the clutch housing, and at the same time to achieve a higher level of tightness against dust and moisture.
  • JP 2002-225705 A Another embodiment of an electric train coupling half with a pivotable cover flap is shown in JP 2002-225705 A disclosed.
  • EP 1 741 611 B1 discloses another electric train coupling half, in which in the uncoupled state a protective flap covers access to the connection elements or contacts of the so-called cable coupling.
  • the kinematic conditions when opening and closing the protective flap are to be improved and a robust and reliable covering of the connecting elements is to be ensured.
  • EP 1 186 506 B1 discloses a coupling head for a rigid, automatic central buffer coupling of rail vehicles, with a coupling pocket being arranged between a large coupling claw and a small coupling claw, the cross section of which is adapted to the cross section of the small coupling claw, and the coupling pocket having guide surfaces parallel to one another for associated guide surfaces of the small coupling claw and has a coupling pocket base as an abutment for a support surface of the small coupling claw and in the coupling head an electric coupling is provided, which consists of a plug part and a socket part, the socket part being in the small coupling claw or the large coupling claw and the plug part being in the large coupling claw or small Coupling claw is arranged, and wherein the socket part is fixed in the small or the large clutch claw and the plug part is mounted longitudinally movable and spring-loaded in the large or the small clutch claw.
  • the socket part can have one or more socket bodies, in which sleeve-shaped socket contacts are formed, which are covered by a seal leaving insertion openings to the socket contacts, the socket part has free spaces behind socket bodies for receiving dirt from the socket contacts and the plug contacts penetrate the socket contacts during coupling and thereby push adhering dirt into the free spaces provided.
  • a spring-loaded cover is slidably mounted in the housing of the plug part, which covers the air space in which the plug contacts are arranged via an elastic seal with cover openings. When mating, the cover presses the seal sealingly against socket parts and compresses the air space so that the escaping air helps clean the mating point contact area of dirt.
  • a device for connecting electrical lines is off DE 200 22 440 U1 previously known.
  • part of the contact elements provided in one of the two connecting elements is arranged set back relative to the end face of the connecting element counter to the coupling direction and can be moved relative to the connecting element against the action of an energy accumulator.
  • the end faces of the individual connecting elements formed by plates rest against one another and the respective contact elements end with the contact surfaces in the end face plane.
  • a disadvantage of the known embodiments is that the structural design of the electric train coupling is complicated by the provision of the cover arranged on a housing as a cover element for the electrical contacts and by the kinematics required for the cover, which moves the cover during coupling.
  • the structural design of the electric train coupling is complicated by the provision of the cover arranged on a housing as a cover element for the electrical contacts and by the kinematics required for the cover, which moves the cover during coupling.
  • Optical couplers with resilient seals are from the references U.S. 4,411,491 and U.S. 6,179,479 previously known.
  • the present invention is based on the object of specifying an electric train coupling with two electric train coupling halves that can be coupled to one another, in which on the one hand there is reliable protection against contact and in particular protection against the ingress of dust, dirt and moisture and on the other hand a particularly simple and reliable kinematics of a corresponding Cover and have a simplified structural design.
  • An electric train coupling according to the invention has two electric train coupling halves that can be coupled to one another.
  • Each electric train coupling half has at least one electrically conductive contact element that extends along an axial direction.
  • Each electric train coupling half preferably has a plurality of corresponding electrically conductive contact elements, each of which extends along an axial direction and preferably parallel to one another.
  • Each electric clutch half includes an electrically insulative housing that encloses the electrically conductive contact member or members of the corresponding electric clutch half. Further, each electric train clutch half has an electrically insulative cover arranged to frontally cover the electrically conductive contact member or members of the corresponding electric train clutch half when the corresponding electric train clutch half is in an uncoupled condition.
  • the cover of each electric train coupling half has at least one plug-in opening or a plurality of plug-in openings, the plug-in opening or the plug-in openings being aligned in the axial direction with the electrically conductive contact element or the electrically conductive contact elements of the respective electric train coupling half and each cover being slidable in the axial direction between a decoupling position and a coupling position.
  • the electrically conductive contact element or elements of the corresponding electric train coupling half is or are positioned in the axial direction inside the housing behind the plug-in opening or openings of the corresponding electric train coupling half.
  • the electrically conductive contact element or the electrically conductive contact elements of the corresponding electric train coupling half are positioned protruding from the housing through the cover, penetrating the plug opening or plug openings in the axial direction.
  • the cover of one electric train coupling half engages with the cover of the other electric train coupling half, so that the covers push each other back in the direction of the contact element or contact elements of the corresponding electric train coupling half and the contact elements penetrate the cover and the contact elements of both electric train coupling halves make electrical contact alternately.
  • a centering device can be provided on the housing of both electric train coupling halves, with which the two housings are centered relative to one another during the coupling process.
  • the centering device is advantageously arranged in such a way that it performs the centering function before the two covers come into mutual engagement.
  • the centering means includes at least one pin on one of the two housings and at least one socket on the other of the two housings, the at least one pin and at least one socket engaging upon coupling of the electric train coupling halves.
  • several pins and/or sockets can be provided for each electric train coupling half.
  • Each cover is preferably surrounded on at least two sides by pins or sockets or by at least one pin and at least one socket.
  • the contact elements have at least one first contact element that is plate-shaped and at least one second contact element that is clip-shaped.
  • the plate-shaped contact element has two electrical contact surfaces on sides that face away from one another
  • the clip-shaped contact element has two electrical contact surfaces on sides that face one another.
  • the clamp-shaped contact element is preferably designed to be elastically resilient with regard to a movement apart of the two electrical contact surfaces.
  • the first, plate-shaped contact element is preferably flat.
  • the second, clamp-shaped contact element preferably tapers in the direction of its axial end associated with the plate-shaped contact element when making contact.
  • the clip-shaped contact element can have two legs, each of which forms an electrical contact surface.
  • the contact elements can also be designed with other shapes.
  • at least one first, plug-shaped contact element and at least one second, socket-shaped contact element can be provided, with the first, plug-shaped contact element having an electrical contact surface on a radially outer circumference and the second, socket-shaped contact element having an electrical contact surface on a radially inner circumference.
  • each electric train coupling half has at least one first contact element and at least one second contact element. According to one embodiment are accordingly a plurality of first and a plurality of second contact elements are provided in a common electric train coupling half.
  • the other half of the electric train coupling accordingly preferably has oppositely identical contact elements, that is to say, for example, a clamp-shaped contact element for each plate-shaped contact element and a plate-shaped contact element for each clamp-shaped contact element.
  • all contact elements of an electric train coupling half are covered on the front side by a common cover, at least in the uncoupled state of the corresponding electric train coupling half.
  • the cover comprises a rigid base body with at least one passage or with a large number of passages.
  • the cover On the side facing away from the at least one contact element, the cover is covered with an elastic seal, which has an opening for each contact element of the corresponding electric train coupling half, which is aligned in the axial direction with the corresponding contact element and one of the openings or a part of the common opening in the base body is.
  • the openings are preferably in the form of slots.
  • a comparatively large common passage is provided in the rigid base body, which is correspondingly covered by the elastic seal, the openings in the elastic seal being provided within the area of the elastic seal that covers the passage.
  • a traction coupling according to the invention has two traction coupling halves, each comprising an end plate, with an electric traction coupling half of the type shown being fastened to each end plate.
  • the electric train coupling half or its housing can be arranged and/or fastened on an outer circumference of the end plate.
  • the electric train coupler half is provided within the outer periphery of the faceplate.
  • the cover of an electric train coupling half is preferably mounted elastically in relation to the remaining area of the housing by means of at least one compression spring.
  • the cover has at least one spigot pointing in the direction of the interior of the housing, which is mounted displaceably in the axial direction within the housing and preferably comprises a stop which limits the sliding out of the cover from the remaining part of the housing.
  • the pin can, for example, have at its free end at least two hooks that can be elastically compressed inwards toward one another, so that it can be inserted into an opening in the remaining part of the housing in the manner of a snap connection and is supported there so that it can slide along a predetermined distance in the axial direction.
  • the contact elements of the respective electric train coupling half can each be held in a common contact carrier, for example.
  • the contact elements are preferably secured against axial displacement in the contact carrier.
  • the electric train coupling 3 shown schematically has two electric train coupling halves 8, 9 that can be coupled to one another.
  • Each electric train coupling half 8, 9 is provided with a housing 21, in whose interior 22 a contact carrier 20 is arranged, which carries a plurality of electrically conductive contact elements 1, 2 secured in the axial direction X.
  • the interior space 22 is closed by a cover 19 which is positioned on the face side of the electrically conductive contact elements 1, 2.
  • the cover 19 can be displaced in the axial direction X in the direction of the contact elements 1, 2.
  • the cover 19 has pins 23 which are displaceably mounted in bores in the contact carrier 20.
  • a compression spring 24 is arranged on each of the pins 23 and acts to extend the cover 19 . Im in the figure 1 shown fully extended state of the cover 19, these are secured axially by hooks on the pin 23 against falling out.
  • the pins 23 with the hooks also form a snap connection with the contact carrier 20, by means of which the cover 19 can be easily mounted in the contact carrier 20.
  • the two electric traction coupling halves 8, 9 can be centered relative to one another with a centering device 16, each comprising a pin 17 and a bushing 18 on each electric traction coupling half 8, 9.
  • the centering device 16 acts when the two electric train coupling halves 8, 9 move together in the axial direction X, before the two covers 19 come into contact with one another.
  • the covers 19 have plug-in openings 4, which in the exemplary embodiment shown are each formed by a common passage 6 in a rigid base body 5 of the cover 19 and one of a large number of openings 15 in an elastic seal 7 covering the rigid base body 5 on the outside, which is particularly from a synopsis of Figures 1 to 3 is evident.
  • the elastic seal 7 advantageously also serves to seal the cover 19 from the remaining part of the housing 21.
  • the first contact elements 1 are plate-shaped and have two electrical contact surfaces 1.1 on opposite sides running in the axial direction X.
  • the second contact elements 2 are clamp-shaped and have two electrical contact surfaces 2.1 facing one another on an inner side of the contact element 2, with the electrical contact surfaces 2.1 likewise extending in the axial direction X.
  • each of the two covers 19 is pushed so far in the direction of the interior 22 of the housing 21 (see the figure 1 ) pushed back so that the respective contact elements 1, 2 of both electric train coupling halves 8, 9 penetrate the plug-in openings 4, here the passages 6 and the openings 15, and engage with a correspondingly opposite contact element 1, 2 of the other electric train coupling half 8, 9 for electrical contacting reach.
  • the housings 21 have at their rear end, ie the end facing away from the cover 19, in each case at least one connection 25 for a cable which is electrically conductively connected to the contact elements 1, 2 of the respective electric train coupling half 8, 9.
  • the connection 25 is preferably sealed against liquid or designed to be sealed in order to achieve IP protection, for example as a cable gland.
  • the cable gland can be designed to be electrically insulating and the respective housing 21 can be made of metal, in particular steel, for example.
  • the cover 19, ie its base body 5, can also be designed as a metal component, for example, while the elastic seal 7 is electrically insulating.
  • the cable fastened in connection 25 can be connected directly to the contact elements 1, 2.
  • each train coupling with two train coupling halves 10, 11 is shown, each having an end plate 12.
  • Each end plate 12 comprises a funnel 13 and a cone 14 which can be coupled together for mechanically locking the two drawbar coupling halves 10,11.
  • the train coupling is designed as an automatic central buffer coupling.
  • At least one electric train coupling half 8, 9 is provided on each end plate 12.
  • the first end plate 12 carries two electric cable coupling halves 8 and the second end plate 12 carries two electric cable coupling halves 9.
  • a first electric train coupling half 8 forms an electric train coupling of the type shown with a second electric train coupling half 9.
  • each electric train coupling half 8, 9 has only similar contact elements 1, 2, with each end plate 12 being provided with at least one electric train coupling half 8, 9 with plugs and at least one electric train coupling half 8, 9 with sockets. Deviating from this, each electric train coupling half 8, 9 could have at least one plug and at least one socket.
  • the arrangement of plugs and/or sockets on an electric train coupling half 8, 9 takes place in such a way that electric train coupling halves of the same type can be coupled to one another even if the sockets and plugs are arranged alternately.
  • This can be achieved, among other things, by providing the same number of sockets and plugs on one half of the electric train coupling and arranging them alternately individually or in groups.
  • a group includes two or more similar elements - plugs or sockets.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (9)

  1. Couplage de traction électrique (3) comprenant deux moitiés de couplage de traction électrique (8, 9) pouvant être couplées l'une à l'autre, lesquelles présentent ensemble et/ou respectivement une pluralité d'éléments de contact électroconducteurs (1, 2) s'étendant respectivement le long d'une direction axiale (X) ;
    chaque moitié de couplage de traction électrique (8, 9) comportant un boîtier (21) électriquement isolant, qui entoure le ou les éléments de contact électroconducteurs (1, 2) et présente un couvercle (19) électriquement isolant servant à recouvrir le côté frontal du ou des éléments de contact électroconducteurs (1, 2) ;
    caractérisé en ce que
    le couvercle (19) des deux moitiés de couplage de traction électrique (8, 9) présente respectivement une ou plusieurs ouvertures d'enfichage (4) qui sont alignés sur le ou les éléments de contact électroconducteurs (1, 2) dans la direction axiale (X), et est déplaçable dans la direction axiale (X) entre une position de découplage, dans laquelle le ou les éléments de contact électroconducteurs (1, 2) est/sont positionnés derrière les ouvertures d'enfichage (4) à l'intérieur du boîtier (21) dans la direction axiale (X), et une position de couplage, dans laquelle le ou les éléments de contact électroconducteurs (1, 2) sont positionnés de manière à faire saillie hors du boîtier (21) à travers le couvercle (19), en traversant les ouvertures d'enfichage (4) dans la direction axiale (X), le couvercle (19) comportant un corps de base rigide (5) comprenant au moins un passage (6) et étant recouvert par un joint d'étanchéité élastique (7) sur le côté opposé à l'au moins un élément de contact (1, 2), lequel joint d'étanchéité présente, pour chaque élément de contact (1, 2), un orifice (15) qui est orienté en alignement avec l'élément de contact (1, 2) correspondant et le passage (6) ou une partie du passage (6) dans la direction axiale (X), de sorte que l'orifice (15) et le passage (6) forment ensemble une ouverture d'enfichage (4).
  2. Couplage de traction électrique (3) selon la revendication 1, caractérisé en ce que les éléments de contact (1, 2) comportent au moins un premier élément de contact (1) en forme de plaque et au moins un deuxième élément de contact (2) en forme de pince, le premier élément de contact (1) en forme de plaque présentant deux surfaces de contact électrique (1.1) sur des côtés opposés l'un à l'autre et le deuxième élément de contact (2) en forme de pince présentant deux surfaces de contact électrique (2.1) sur des côtés tournés l'un vers l'autre.
  3. Couplage de traction électrique (3) selon la revendication 1, caractérisé en ce que les éléments de contact (1, 2) comportent au moins un premier élément de contact (1) en forme de connecteur mâle et au moins un deuxième élément de contact (2) en forme de connecteur femelle, le premier élément de contact (1) en forme de connecteur mâle présentant une surface de contact électrique (1.1) sur une périphérie radialement extérieure et le deuxième élément de contact (2) en forme de connecteur femelle présentant une surface de contact électrique (2.1) sur une périphérie radialement intérieure.
  4. Couplage de traction électrique (3) selon l'une des revendications 2 ou 3, caractérisé en ce que chaque moitié de couplage de traction électrique (8, 9) présente au moins un ou plusieurs premiers éléments de contact (1) et au moins un ou plusieurs deuxièmes éléments de contact (2) .
  5. Couplage de traction électrique (3) selon l'une des revendications 1 à 4, caractérisé en ce que tous les éléments de contact (1, 2) d'une moitié de couplage de traction électrique (8, 9) sont recouverts du côté frontal par un couvercle commun (19).
  6. Couplage de traction électrique (3) selon l'une des revendications 1 à 5, caractérisé en ce que les orifices (15) sont en forme de fentes.
  7. Couplage de traction électrique (3) selon l'une des revendications 1 à 6, caractérisé en ce que les boîtiers (21) des deux moitiés de couplage de traction électrique (8, 9) sont dotés d'un dispositif de centrage (16), comportant au moins une goupille (17) sur l'un des deux boîtiers (21) et une douille (18) sur l'autre des deux boîtiers (21), lesquelles peuvent être amenées en prise l'une avec l'autre lors du couplage des moitiés de couplage de traction électrique (8, 9).
  8. Couplage de traction électrique (3) selon la revendication 7, caractérisé en ce que la goupille (17) et/ou la douille (18) dépassent dans la direction axiale (X) par rapport au couvercle (21) sur le côté opposé à l'au moins un élément de contact (1, 2), de sorte que, lors du couplage des moitiés de couplage de traction électrique (8, 9), tout d'abord la goupille (17) et la douille (18) viennent en prise réciproque et ensuite les couvercles (21) des deux moitiés de couplage de traction (8, 9) viennent en prise réciproque.
  9. Couplage de traction comprenant deux moitiés de couplage de traction (10, 11), qui présentent respectivement une plaque frontale (12), caractérisé par un couplage de traction électrique (3) selon l'une des revendications 1 à 8, une moitié de couplage de traction électrique (8, 9) étant fixée respectivement sur une plaque frontale (12) respectivement.
EP20744007.4A 2019-08-15 2020-07-17 Couplage de traction électrique et couplage de traction équipé dudit couplage de traction électrique Active EP4013659B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019121975.2A DE102019121975A1 (de) 2019-08-15 2019-08-15 Elektrozugkupplung und Zugkupplung mit einer solchen Elektrozugkupplung
PCT/EP2020/070301 WO2021028150A1 (fr) 2019-08-15 2020-07-17 Couplage de traction électrique et couplage de traction équipé dudit couplage de traction électrique

Publications (2)

Publication Number Publication Date
EP4013659A1 EP4013659A1 (fr) 2022-06-22
EP4013659B1 true EP4013659B1 (fr) 2023-06-07

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EP20744007.4A Active EP4013659B1 (fr) 2019-08-15 2020-07-17 Couplage de traction électrique et couplage de traction équipé dudit couplage de traction électrique

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Country Link
EP (1) EP4013659B1 (fr)
CN (1) CN114245780B (fr)
DE (1) DE102019121975A1 (fr)
WO (1) WO2021028150A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020117289A1 (de) 2020-07-01 2022-01-05 Voith Patent Gmbh Elektrokontaktkupplung und Mittelpufferkupplung für ein Schienenfahrzeug

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DE471610C (de) * 1929-02-14 Bbc Brown Boveri & Cie Vielfachleitungskupplung, insbesondere fuer Bahnfahrzeugsteuerleitungen
US1609142A (en) * 1919-10-29 1926-11-30 Tomlinson Coupler Company Air, steam, and electric coupling mechanism
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EP2505450B1 (fr) * 2011-03-28 2015-03-04 Voith Patent GmbH Coupleur de contact électrique pour un véhicule sur rails
DE102017008167A1 (de) * 2017-08-29 2018-04-19 Daimler Ag Elektrische Verbindungsanordnung

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Publication number Publication date
WO2021028150A1 (fr) 2021-02-18
EP4013659A1 (fr) 2022-06-22
DE102019121975A1 (de) 2021-02-18
CN114245780A (zh) 2022-03-25
CN114245780B (zh) 2024-05-14

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