EP3750771A1 - Accouplement doté d'un accouplement électrique, en particulier pour un véhicule ferroviaire - Google Patents

Accouplement doté d'un accouplement électrique, en particulier pour un véhicule ferroviaire Download PDF

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Publication number
EP3750771A1
EP3750771A1 EP19214258.6A EP19214258A EP3750771A1 EP 3750771 A1 EP3750771 A1 EP 3750771A1 EP 19214258 A EP19214258 A EP 19214258A EP 3750771 A1 EP3750771 A1 EP 3750771A1
Authority
EP
European Patent Office
Prior art keywords
coupling
piston
main air
cylinder unit
line
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
Application number
EP19214258.6A
Other languages
German (de)
English (en)
Other versions
EP3750771B1 (fr
Inventor
Stefan FAAS
Mike Fassbind
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
Priority claimed from CH000805/2019A external-priority patent/CH716316B1/de
Application filed by Faiveley Transport Schwab AG filed Critical Faiveley Transport Schwab AG
Publication of EP3750771A1 publication Critical patent/EP3750771A1/fr
Application granted granted Critical
Publication of EP3750771B1 publication Critical patent/EP3750771B1/fr
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Anticipated expiration legal-status Critical

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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 invention relates to a coupling with an electric coupling, in particular for a rail vehicle according to the preamble of claim 1.
  • a mechanical vehicle clutch is in the document EP-A-2,322,403 discloses which can be used in both passenger and freight trains and both automatic coupling of two vehicles on straight as well as on winding roads.
  • the electric lines of the vehicles are connected or decoupled by means of corresponding electric couplings.
  • the plugs or sockets provided for this purpose must be accessible to the outside during the coupling process, but in the uncoupled state they must be protected against contact, dirt, water, etc.
  • Two coupling devices are provided, each of which has a coupling head which is supported on a pull rod of a pulling and pushing device which is attached to the rail vehicle via a bearing.
  • the respective coupling head is formed from a multi-part housing. It is provided with a coupling member and the other coupling head with a corresponding recess. This coupling member is intended to engage in the recess of the other coupling head when coupling.
  • Another coupling head according to Swiss patent application no. 00805/19 is provided with a housing which on the front side has an abutment surface for a flat support with an abutment surface of a coupling head to be coupled and on the rear side has a connection flange for attachment with a pull rod or the like.
  • a coupling and locking mechanism is integrated in the housing.
  • the housing is essentially produced as a one-piece pot shape, in which the abutment surface is formed on the front wall or this connection flange is formed on the rear wall.
  • the coupling head is optimally designed due to its design with this compact housing, in order to absorb the very high tensile and compressive forces that occur during the coupling process and the coupled rail vehicles during operation, especially when accelerating or braking.
  • the invention is based on the object of creating a coupling with an electrical coupling, in which the control during coupling and uncoupling of the mechanical and electrical coupling is simple and safe, but these are matched to one another with optimized use of the available energy sources.
  • the electric coupling is equipped with a coupling housing and a piston / cylinder unit that can be moved for coupling or decoupling.
  • the control and / or actuation of the piston / cylinder unit takes place at least for coupling the electric coupling by means of the compressed air of the main air line. This results in a very simple and safe coupling or uncoupling of the electrical coupling.
  • a branch line with a two-way valve arranged in it leads very advantageously from the main air line, which is passed through the coupling head, into that chamber of the piston / cylinder unit, in order to move the latter into the coupled state of the electric coupling when the two-way valve is opened.
  • a branch line with a two-way valve arranged in it can be led from the main air line of the coupling head to a control valve, this control valve connecting one or the other chamber of the piston / cylinder unit to the connection line to the separate pressure medium for coupling and uncoupling it when the two-way valve is actuated or closes.
  • Fig. 1 shows schematically a coupling with a mechanical coupling head 10 and an electrical coupling 20 fastened on the top, side or below this, in which this coupling is used in particular for a rail vehicle.
  • Automatic coupling or uncoupling of a rail vehicle with another rail vehicle can thus be achieved, this coupling preferably being suitable for freight cars.
  • an electrical coupling 20 is positioned on the front and rear side in such a way that it can be coupled in a compatible manner to any other vehicle.
  • the electric coupling 20 is equipped with a coupling housing 21 and with a piston / cylinder unit 25 that can be displaced therefrom. Its piston 28 is rigidly held on the coupling head 10 and the cylinder 29 and with it the coupling housing 21 are movably guided on this piston 28, which is subsequently explained Fig. 3 is explained in more detail.
  • This coupling head 10 is provided with an indicated housing 10 ', which on the front side has an abutment surface 14 for a flat support with an abutment surface of a coupling head to be coupled for the coupling of two rail vehicles or the like. Further details of the locking during coupling are not shown, as these do not relate to the invention.
  • a guide vane 16 is also indicated at the front at the abutment surface 14, which are designed for centering two heads 10 to be coupled to one another.
  • at least one main air line 11 (HLL) leads through the coupling head 10, which is supplied with an existing operating pressure of air for the brakes of the rail vehicles.
  • This main air line 11 in the coupling head 10 contains a closing valve 30 and a connecting means 40 in a manner known per se.
  • This connecting means 40 comprises an adjustable axis Plunger 41, a sleeve 42 guiding it and a compression spring 43.
  • This plunger 41 can protrude valve-controlled to the abutment surface 14 of the coupling head 10 and be inserted into an opening of a main air line of a coupled coupling head, not shown, so that a tight connection of the main air line between the heads is possible becomes.
  • the closing valve 30 in the main air line 11 comprises a stationary guide sleeve 31, a closing piston 35 guided by this with a cavity 36 and a compression spring 32 arranged therein.
  • the closing piston 35 In the closed state, the closing piston 35 is with its upper end face 35 'on an annular surface of 90 ° angled main air line 11 sealingly.
  • This closing piston 35 is arranged displaceably at the bottom in a cylinder chamber 34 which is connected to a two-way valve 37 via a branch line 38.
  • the tappet 41 is also pushed forward when the two-way valve 37 is opened, since it is also fed via this branch line 38 and this branch 38 '.
  • a branch line 12 with a two-way valve 13 arranged in it is led from the main air line 11 in the coupling head 10 to a control valve 19, this control valve 19 opening one or the other chamber 26, 27 of the piston / cylinder unit when the mechanically switchable two-way valve 13 is actuated 25 connects or closes the electrical coupling 20 with a connection line 15 from a separate pressure medium 17 for its coupling and uncoupling.
  • the pressure medium 17 can and also be contained in a pressure vessel be connected to the main air line HLL or a main air tank line HBL or to a separate pressure source. In the event of a pressure drop in the main air line, this pressure vessel can be used to ensure that decoupling of the electrical coupling would still be possible.
  • the already existing pressure of 3.5 to 5.0 bar can be used, thereby simplifying the control on the one hand and ensuring reliable operation on the other.
  • Fig. 2 shows a variant of a control of the electrical coupling 20, in which the actuation of the piston / cylinder unit 25 for displacement for the coupling of the electrical coupling 20 takes place according to the invention by means of the compressed air of the main air line 11.
  • a branch line 12 leading away from the main air line 11 with a two-way valve 13 arranged in it leads directly into a first chamber 26 of the piston / cylinder unit 25 in order to move the latter into the coupled state of the electric coupling 20 when the two-way valve 13 is opened to adjust, while a connection line 15 to a separate pressure medium 17 is provided leading into a second chamber 27 of the piston / cylinder unit 25 for its uncoupling.
  • This second chamber 27 is arranged in the cylinder 29 on that side on which its piston 28 is held rigidly on the coupling head with the piston rod 28 '.
  • Fig. 2 a simplified variant is indicated by dash-dotted lines, in which this line 12 ', shown in dash-dotted lines, leads directly from the main air line 11 to the closing valve 30 into the chamber 26 of the piston / cylinder unit 25, with or without an actuating valve.
  • the branch line 12 with the two-way valve 13 would then only be led to the branch line 38 and pressure would be generated in the chamber 26 at the moment when the closing valve 30 was opened during coupling.
  • branch line 12 with the two-way valve 13 could be omitted entirely and this line 12 'shown in dash-dotted lines could also be routed into the branch line 38, which is not illustrated.
  • a compression spring 33 could be arranged in this chamber 27, which would permanently exert pressure on the piston 28 and thus cause a decoupling as soon as the pressure in the other chamber 26 is lowered, or when a pressure builds up in the latter chamber 26, coupling would take place.
  • Fig. 3 shows a side view of the electrical coupling 20, which these plugs and / or sockets 45 in the coupling housing 21, an electrical cable 46 leading away to the rail vehicle, one on the top arranged support plate 44 with a protruding bracket 44 'for rigidly holding the piston 28, the piston / cylinder unit 25, a hinged cover 47 at the front of the plugs and / or sockets 45 for protecting them in the decoupled state, a linkage 48 for the Opening and closing the cover 47 and a guide arrangement 49 for the clutch housing 21.
  • a linkage 48 holding the cover 47 is provided on both sides and, in the case of the guide arrangement 49, two slide rods 51 arranged next to one another and slide elements 52 guided on these are likewise advantageously arranged.
  • valves explained above are constructed as two-way valves which, when actuated, are brought into an open position, but are brought back into the closed position by means of spring elements.
  • these valves could also be designed differently as required, for example as multi-way valves, such as 5/2-way valves, monostable, bistable, which can be pneumatically, mechanically and / or electrically actuated.
  • the piston / cylinder unit (25) can also be designed as a differential piston in which the chamber 27 is permanently acted upon, for example via this compression spring 33 or by compressed air. To retract and extend the electrical coupling, only the chamber 26 is then pressurized with compressed air or vented. The differential force can through the use a pressure reducing valve in the supply line to chamber 27 can be increased.
  • the electric coupling could also be driven via a lever system instead of a pneumatic cylinder, whereby the end position could be in an over dead center as with a toggle lever, which would also be actuated by means of a piston / cylinder unit or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
EP19214258.6A 2019-06-14 2019-12-06 Accouplement doté d'un accouplement électrique, en particulier pour un véhicule ferroviaire Active EP3750771B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH000805/2019A CH716316B1 (de) 2019-06-14 2019-06-14 Kupplungskopf, insbesondere für ein Schienenfahrzeug.
CH01535/19A CH716324A2 (de) 2019-06-14 2019-12-03 Kupplung mit einer Elektrokupplung insbesondere für ein Schienenfahrzeug.

Publications (2)

Publication Number Publication Date
EP3750771A1 true EP3750771A1 (fr) 2020-12-16
EP3750771B1 EP3750771B1 (fr) 2023-04-05

Family

ID=68835016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19214258.6A Active EP3750771B1 (fr) 2019-06-14 2019-12-06 Accouplement doté d'un accouplement électrique, en particulier pour un véhicule ferroviaire

Country Status (2)

Country Link
EP (1) EP3750771B1 (fr)
PL (1) PL3750771T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4155161A1 (fr) 2021-09-27 2023-03-29 Faiveley Transport Schwab AG Accouplement, notamment pour un véhicule ferroviaire
WO2024115659A1 (fr) * 2022-12-01 2024-06-06 Voith Patent Gmbh Attelage à contact électrique pour un attelage à tampon central automatique d'un véhicule sur rails, et attelage à tampon central automatique ayant un tel attelage à contact électrique
EP4385851A1 (fr) 2022-12-12 2024-06-19 Faiveley Transport Schwab AG Accouplement pour un véhicule ferroviaire

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187466A (fr) * 1956-12-06 1959-09-11 Scharfenbergkupplung Gmbh Dispositif de blocage de marche pour véhicules sur rails
FR1303855A (fr) * 1961-10-14 1962-09-14 Vnii Zheleznodorozhnovo Transp Attelage automatique pour le matériel roulant des chemins de fer
FR1522078A (fr) * 1967-02-27 1968-04-19 Linke Hofmann Busch Attelage automatique et mécanique pour véhicules sur rails
GB1310459A (en) * 1970-01-26 1973-03-21 Westinghouse Italiana Arrangement for the automatic control of a shut-off cock in an automatic coupling head of a railway vehicle
EP0855328A2 (fr) * 1997-01-28 1998-07-29 MANNESMANN Aktiengesellschaft Dispositif d'actionnement pour organe d'obturation, en particulier pour voiture ferroviaires
EP0972693A2 (fr) 1998-07-01 2000-01-19 Schwab Verkehrstechnik AG Mécanisme de verrouillage pour un dispositif d'accouplement
EP2322403A2 (fr) 2009-11-13 2011-05-18 Schwab Verkehrstechnik AG Attelage automatique pour véhicules ferroviaires dotés de tampons latéraux
EP3476688A1 (fr) * 2017-04-18 2019-05-01 Qingdao Sri Technology Co., Ltd. Mécanisme de commande de dételage d'attelage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187466A (fr) * 1956-12-06 1959-09-11 Scharfenbergkupplung Gmbh Dispositif de blocage de marche pour véhicules sur rails
FR1303855A (fr) * 1961-10-14 1962-09-14 Vnii Zheleznodorozhnovo Transp Attelage automatique pour le matériel roulant des chemins de fer
FR1522078A (fr) * 1967-02-27 1968-04-19 Linke Hofmann Busch Attelage automatique et mécanique pour véhicules sur rails
GB1310459A (en) * 1970-01-26 1973-03-21 Westinghouse Italiana Arrangement for the automatic control of a shut-off cock in an automatic coupling head of a railway vehicle
EP0855328A2 (fr) * 1997-01-28 1998-07-29 MANNESMANN Aktiengesellschaft Dispositif d'actionnement pour organe d'obturation, en particulier pour voiture ferroviaires
EP0972693A2 (fr) 1998-07-01 2000-01-19 Schwab Verkehrstechnik AG Mécanisme de verrouillage pour un dispositif d'accouplement
EP2322403A2 (fr) 2009-11-13 2011-05-18 Schwab Verkehrstechnik AG Attelage automatique pour véhicules ferroviaires dotés de tampons latéraux
EP3476688A1 (fr) * 2017-04-18 2019-05-01 Qingdao Sri Technology Co., Ltd. Mécanisme de commande de dételage d'attelage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4155161A1 (fr) 2021-09-27 2023-03-29 Faiveley Transport Schwab AG Accouplement, notamment pour un véhicule ferroviaire
WO2024115659A1 (fr) * 2022-12-01 2024-06-06 Voith Patent Gmbh Attelage à contact électrique pour un attelage à tampon central automatique d'un véhicule sur rails, et attelage à tampon central automatique ayant un tel attelage à contact électrique
EP4385851A1 (fr) 2022-12-12 2024-06-19 Faiveley Transport Schwab AG Accouplement pour un véhicule ferroviaire

Also Published As

Publication number Publication date
EP3750771B1 (fr) 2023-04-05
PL3750771T3 (pl) 2023-09-04

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