EP4013659A1 - Elektrozugkupplung und zugkupplung mit einer solchen elektrozugkupplung - Google Patents
Elektrozugkupplung und zugkupplung mit einer solchen elektrozugkupplungInfo
- Publication number
- EP4013659A1 EP4013659A1 EP20744007.4A EP20744007A EP4013659A1 EP 4013659 A1 EP4013659 A1 EP 4013659A1 EP 20744007 A EP20744007 A EP 20744007A EP 4013659 A1 EP4013659 A1 EP 4013659A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact element
- coupling
- electric
- pull coupling
- electric pull
- 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
Links
- 238000010168 coupling process Methods 0.000 title claims abstract description 161
- 230000008878 coupling Effects 0.000 title claims abstract description 159
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 159
- 230000000149 penetrating effect Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 11
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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 pull coupling with two electric pull coupling halves which can be coupled to one another according to the preamble of claim 1. Furthermore, the present invention relates to a pulling coupling with such an electric pulling coupling.
- Rail vehicles as it relates to the present invention in the broader sense, have, in addition to a mechanical coupling, an electrical coupling and usually an air coupling between the wagons to be coupled or coupled with one another, so that on the one hand mechanical tensile and compressive forces can be transmitted between the wagons and on the other hand, the car can be supplied with electrical power and in particular with compressed air.
- the couplings accordingly have two coupling halves, with the mechanical coupling with coupling devices for the transmission of the tensile and compressive forces and with the electric pull coupling
- Electric pull coupling plug contacts for establishing an electrically conductive connection between the electric pull coupling halves. It is important that the electrically conductive components are protected from undesired external contact, for example by an operator, not only in the coupled state but also in the uncoupled state. Such contact protection is conventionally achieved with a flap that covers the electrical plug-in contacts when the electrical pull coupling is disconnected and must be swiveled to the side when coupling. The flap also protects the area of the electrical plug contacts from dirt, dust and moisture.
- the electric pull coupling halves can be provided in their own housing, as disclosed, for example, in EP 2 505 450 A1. Measures can be taken to prevent the connected to the housing Protective flap with the help of a simple mechanism relative to that
- EP 1 741 611 B1 discloses a further electric pull coupling half in which, in the uncoupled state, a protective flap provides access to the
- connection elements or contacts of the so-called cable coupling Covers connection elements or contacts of the so-called cable coupling.
- the kinematic conditions when opening and closing the protective flap should be improved and a robust and reliable covering of the connection elements should 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 for guide surfaces that are parallel to one another Has guide surfaces of the small coupling claw as well as a coupling pocket bottom as an abutment for a support surface of the small coupling claw and an electric coupling is provided in the coupling head, which consists of a plug part and a socket part, the socket part in the small coupling claw or the large coupling claw and the plug part in the large coupling claw or small coupling claw is arranged, and wherein the socket part is fixed in the small or large coupling claw and the plug part is longitudinally movable and spring-loaded in the large or small NEN coupling claw is mounted.
- the socket part can have one or more socket bodies in which sleeve-shaped socket contacts are formed which are covered by a seal that leaves open the socket contacts, the socket part has free spaces behind socket bodies for the absorption of dirt from the socket contacts and the plug contacts penetrate the socket contacts during coupling and push adhering dirt into the spaces provided.
- a spring-loaded cover is mounted displaceably in the housing of the plug part and covers the air space in which the plug contacts are arranged via an elastic seal with cover access openings. During coupling, the cover presses the seal against the socket parts and compresses the air space so that the escaping air cleans the contact area of the coupling point from dirt.
- the disadvantage of the known embodiments is that by providing the cover arranged on a housing as a cover element for the electrical contacts and by the kinematics required for the cover that moves the cover during coupling, the structural design of the electrical pulling coupling is complicated and there is also the risk of a Insufficient sealing against unwanted access from the outside and / or against the ingress of dust, dirt and moisture.
- the present invention is based on the object of specifying an electric pull coupling with two electric pull coupling halves that can be coupled to one another, in which, on the one hand, reliable contact protection and in particular protection against the ingress of dust, dirt and moisture is provided and, on the other hand, a particularly simple and reliable kinematics of a corresponding Have cover and a simplified structural design.
- An electric pull coupling according to the invention has two electric pull coupling halves which can be coupled to one another.
- Each electric pull coupling half has at least one electrically conductive contact element which extends along an axial direction.
- Each electric pull coupling half preferably has a multiplicity of corresponding electrically conductive contact elements which each extend along an axial direction and preferably parallel to one another.
- Each electric pull coupling half has an electrically insulating housing which encloses the electrically conductive contact element or the electrically conductive contact elements of the corresponding electric pull coupling half. Furthermore, each electric pull coupling half has an electrically insulating cover, which is arranged to cover the end face of the electrically conductive contact element or the electrically conductive contact elements of the corresponding electric pull coupling half when the corresponding electric pull coupling half is in an uncoupled state.
- the cover of each electric pull 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 pulling coupling half and each cover being displaceable in the axial direction between a decoupling position and a coupling position.
- the electrically conductive contact element or the electrically conductive contact elements of the corresponding electric pulling coupling half are positioned in the axial direction inside the housing behind the plug-in opening or openings of the corresponding electric pulling coupling half.
- the electrically conductive contact element In the coupling position, the electrically conductive contact element is or If the electrically conductive contact elements of the corresponding electric pulling coupling half penetrate the plug-in opening or the plug-in openings in the axial direction, they are positioned protruding from the housing through the cover.
- the cover of one electric pulling coupling half can engage with the cover of the other electric pulling coupling half, so that the covers slide back each other in the direction of the contact element (s) of the corresponding electric pulling coupling half and the contact elements penetrate the cover and the contact elements of the two electric pull coupling halves are mutually connected.
- a centering device with which the two housings are centered with respect to one another during the coupling process, can preferably be provided on the housing of both electric pull coupling halves.
- the centering device is advantageously arranged in such a way that it already performs the centering function before the two covers come into mutual engagement.
- the centering device preferably has at least one pin on one of the two housings and at least one bushing on the other of the two housings, the at least one pin and the at least one bushing engaging with one another when the electric pulling coupling halves are coupled.
- a plurality of pins and / or sockets can advantageously be provided for each electric pull coupling half.
- Each cover is preferably enclosed on at least two sides jointly by pins or sockets or jointly by at least one pin and at least one socket.
- the contact elements have at least one first contact element, which is plate-shaped, and at least one second contact element, which is clip-shaped.
- the Plate-shaped contact element has two electrical contact surfaces on sides facing away from one another and the clamp-shaped contact element has two electrical contact surfaces on sides facing 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. In this way, when a plate-shaped contact element is inserted into a clamp-shaped contact element, the two electrical contact surfaces of the clamp-shaped contact element can be pressed apart against an elastic resistance force and thus a reliable electrical contact can be achieved.
- the first, plate-shaped contact element is preferably designed to be flat.
- the second, clamp-shaped contact element preferably tapers in the direction of its axial end associated with the plate-shaped contact element during contacting.
- the clamp-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, 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 electrical pulling coupling half has at least one first contact element and at least one second contact element. According to one embodiment, they are accordingly a plurality of first and a plurality of second contact elements are provided in a common electric pull coupling half.
- the other electrical pull coupling half accordingly preferably has opposite contact elements, that is to say, for example, one clip-shaped contact element for each plate-shaped contact element and one plate-shaped contact element for each clip-shaped contact element.
- all contact elements of an electric pull coupling half are covered at the end by a common cover, at least in the uncoupled state of the corresponding electric pull coupling half.
- the cover preferably comprises a rigid base body with at least one passage or with a plurality 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 pull coupling half, which is aligned in the axial direction with the corresponding contact element and one of the passages or part of the common passage in the base body is.
- the openings form the plug-in openings together with the passages or the passage.
- the openings are preferably slot-shaped.
- a pull coupling according to the invention has two pull coupling halves, each of which comprises an end plate, one electric pull coupling half of the type shown being fastened to a respective end plate.
- the electric pull coupling half or its housing can be arranged and / or fastened on an outer circumference of the end plate.
- the electric pull coupling half is provided within the outer periphery of the faceplate.
- the cover of an electric pull coupling half is preferably mounted elastically with respect to the remaining area of the housing by means of at least one compression spring.
- the cover has at least one pin directed towards the interior of the housing, which is mounted displaceably in the axial direction within the housing and preferably comprises a stop that limits the sliding of the cover out of the remaining part of the housing.
- the pin can, for example, have at its free end at least two elastically inwardly deflectable hooks 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 mounted there so as to be slidable along a predetermined distance in the axial direction.
- the contact elements of the respective electrical pull coupling half can, for example, each be held in a common contact carrier.
- the contact elements are preferably secured against axial displacement in the contact carrier.
- FIG. 1 shows a schematic view of an electric pull coupling according to the invention in the uncoupled state
- FIG. 2 shows two associated contact elements of the electric pull coupling halves from FIG. 1 in the uncoupled state
- FIG. 3 shows the two contact elements from FIG. 2 in the coupled state
- FIG. 4 shows an exemplary representation of a pulling coupling with electric pulling couplings according to the invention.
- the electric pull coupling 3 shown schematically in FIG. 1 has two electric pull coupling halves 8, 9 which can be coupled to one another.
- Electric pull coupling half 8, 9 is provided with a housing 21, in the interior 22 of which 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 22 is closed by a cover 19, which is positioned at the end of the electrically conductive contact elements 1, 2.
- the cover 19 is displaceable in the axial direction X in the direction of the contact elements 1, 2.
- the cover 19 has pins 23 which are mounted displaceably in bores in the contact carrier 20.
- a compression spring 24, which acts to extend the cover 19, is arranged on each of the pins 23. In the fully extended state of the cover 19 shown in FIG. 1, these are axially secured against falling out by flakes on the pins 23.
- the pins 23 with the flakes also form a snap connection with the contact carrier 20, by means of which the cover 19 can easily be mounted in the contact carrier 20.
- the two electric pull coupling halves 8, 9 are provided with a centering device 16, each comprising a pin 17 and a socket 18 on each
- Electric pull coupling halves 8, 9, can be centered relative to one another.
- Centering device 16 acts when the two move together
- 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 plurality of openings 15 in an elastic seal 7 covering the rigid base body 5 on the outside, which in particular from a synopsis of Figures 1 to 3 can be seen.
- the elastic seal 7 advantageously also serves to seal the cover 19 with respect to the remaining part of the housing 21.
- the first contact elements 1 are plate-shaped and have two electrical contact surfaces 1.1 on sides facing away from one another and running in the axial direction X.
- the second contact elements 2 are clamp-shaped and have two mutually facing electrical contact surfaces 2.1 on an inner side of the contact element 2, the electrical contact surfaces 2.1 also extending in the axial direction X.
- the housings 21 each have at their rear end, that is to say the end facing away from the cover 19, at least one connection 25 for a cable which is electrically conductive with the contact elements 1, 2 of the respective
- connection 25 is preferably designed to be sealed or sealed against liquid in order to achieve IP protection, for example as a cable screw connection.
- the screwed cable connection can be designed to be electrically insulating and the respective housing 21 can be made, for example, of metal, in particular steel.
- the cover 19, that is to say its base body 5, can also be designed, for example, as a metal component, whereas the elastic seal 7 is electrically insulating.
- the cable attached in connection 25 can be connected directly to contact elements 1, 2.
- FIG. 4 shows a pulling coupling with two pulling coupling halves 10, 11, each of which has an end plate 12.
- Each end plate 12 comprises a funnel 13 and a cone 14, which can be coupled to one another for mechanical locking of the two pull coupling halves 10, 11.
- the train coupling is designed as an automatic central buffer coupling.
- At least one electric pull coupling half 8, 9 is provided on each end plate 12.
- the first end plate 12 carries two electric pull coupling halves 8 and the second end plate 12 carries two electric pull coupling halves 9.
- first electric pull coupling half 8 forms with a second electric pull coupling half 9 an electric pull coupling of the type shown.
- a first electric pull coupling half 8 forms with a second electric pull coupling half 9 an electric pull coupling of the type shown.
- the housing 21 and the contact elements 1, 2 are shown in FIG. 4, without further details.
- each electric pull coupling half 8, 9 has only similar contact elements 1, 2, with at least one electric pull coupling half 8, 9 with plugs and at least one electric pull coupling half 8, 9 with sockets being provided for each end plate 12. Notwithstanding, each electric pull coupling half 8, 9 could also have at least one plug and at least one socket.
- the arrangement of plugs and / or sockets on an electric pull coupling half 8, 9 takes place in such a way that even with alternating arrangement of sockets and plugs, electric pull coupling halves of the same type can be coupled to one another.
- This can be achieved, among other things, in that the same number of sockets and plugs is provided on an electric pulling coupling half and that they are arranged alternately individually or in groups.
- a group comprises two or more similar elements - plugs or sockets.
- FIGS. 1 to 3 an embodiment according to FIGS. 1 to 3 is preferably used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
Claims
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 (de) | 2019-08-15 | 2020-07-17 | Elektrozugkupplung und zugkupplung mit einer solchen elektrozugkupplung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4013659A1 true EP4013659A1 (de) | 2022-06-22 |
EP4013659B1 EP4013659B1 (de) | 2023-06-07 |
Family
ID=71741787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20744007.4A Active EP4013659B1 (de) | 2019-08-15 | 2020-07-17 | Elektrozugkupplung und zugkupplung mit einer solchen elektrozugkupplung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4013659B1 (de) |
CN (1) | CN114245780B (de) |
DE (1) | DE102019121975A1 (de) |
WO (1) | WO2021028150A1 (de) |
Families Citing this family (1)
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 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
GB186194A (en) * | 1921-07-13 | 1922-09-28 | Alexander Spencer | Improvements in or relating to electric lighting and heating systems for railway andthe like vehicles |
DE589623C (de) * | 1929-06-15 | 1933-12-11 | Siemens Schuckertwerke Akt Ges | Elektrische mehrpolige Leitungskupplung, insbesondere fuer elektrische Fahrzeuge |
CH326839A (de) * | 1953-10-10 | 1957-12-31 | Bergische Stahlindustrie | Elektrische Leitungskupplung, insbesondere für selbsttätige Fahrzeugkupplungen |
DE1665386A1 (de) * | 1967-09-21 | 1970-07-09 | Pintsch Bamag Ag | Elektrische Kontaktkupplung,insbesondere Leitungskupplung an Schienenfahrzeugen |
DE1665188A1 (de) * | 1968-01-31 | 1971-02-11 | Mini Verkehrswesen | Kabelkupplung,insbesondere in selbsttaetigen Schienenfahrzeugkupplungen |
US3519975A (en) * | 1968-03-25 | 1970-07-07 | Itt | Electrical connector |
DE2854962C2 (de) * | 1978-12-20 | 1986-09-04 | Scharfenbergkupplung Gmbh, 3320 Salzgitter | Mittelpufferkupplung für Schienenfahrzeuge mit Kabelkupplungen |
US4411491A (en) * | 1981-09-10 | 1983-10-25 | Trw Inc. | Connector assembly with elastomeric sealing membranes having slits |
DE3203845A1 (de) * | 1982-02-02 | 1983-11-17 | Fabeg Gmbh, 7518 Bretten | Kabelkupplung fuer Hand- oder automatischen Betrieb,insbesondere an Schienenfahrzeugen |
US6179479B1 (en) * | 1999-07-09 | 2001-01-30 | Veam S.R.L. | Fiber optic connector with self-closing shutter |
DE20022440U1 (de) * | 2000-02-16 | 2001-09-13 | Pfisterer Kontaktsyst Gmbh | Vorrichtung zum Verbinden elektrischer Leitungen, insbesondere automatische Eisenbahnkupplung |
DE10044979B4 (de) * | 2000-09-11 | 2008-09-04 | Faiveley Transport Remscheid Gmbh | Kupplungskopf für eine starre automatische Mittelkupplung von Schienenfahrzeugen |
JP2002225705A (ja) * | 2001-01-31 | 2002-08-14 | Yutaka Seisakusho:Kk | 電気連結器 |
DE102005032151A1 (de) * | 2005-07-07 | 2007-01-11 | Bombardier Transportation Gmbh | Kupplungseinrichtung für Fahrzeuge |
PL2505450T3 (pl) * | 2011-03-28 | 2015-08-31 | Voith Patent Gmbh | Sprzęgło elektrokontaktowe do pojazdu prowadzonego po torze |
DE102017008167A1 (de) * | 2017-08-29 | 2018-04-19 | Daimler Ag | Elektrische Verbindungsanordnung |
-
2019
- 2019-08-15 DE DE102019121975.2A patent/DE102019121975A1/de active Pending
-
2020
- 2020-07-17 EP EP20744007.4A patent/EP4013659B1/de active Active
- 2020-07-17 WO PCT/EP2020/070301 patent/WO2021028150A1/de unknown
- 2020-07-17 CN CN202080057341.6A patent/CN114245780B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP4013659B1 (de) | 2023-06-07 |
WO2021028150A1 (de) | 2021-02-18 |
DE102019121975A1 (de) | 2021-02-18 |
CN114245780A (zh) | 2022-03-25 |
CN114245780B (zh) | 2024-05-14 |
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