EP3750771B1 - 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
EP3750771B1
EP3750771B1 EP19214258.6A EP19214258A EP3750771B1 EP 3750771 B1 EP3750771 B1 EP 3750771B1 EP 19214258 A EP19214258 A EP 19214258A EP 3750771 B1 EP3750771 B1 EP 3750771B1
Authority
EP
European Patent Office
Prior art keywords
coupling
piston
way valve
main air
electric
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
EP19214258.6A
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German (de)
English (en)
Other versions
EP3750771A1 (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
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Faiveley Transport Schwab AG
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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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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 clutch with an electric clutch, in particular for a rail vehicle, according to the preamble of claim 1.
  • a mechanical vehicle clutch is in the reference EP-A-2 322 403 disclosed, which can be used for both passenger and freight trains and enables automatic coupling of two vehicles on both straight and curved routes.
  • the electric cables of the vehicles are connected or decoupled by means of corresponding electric couplings.
  • the plugs or sockets provided for this must be replaced during the coupling process be accessible from the outside, but in the uncoupled state they must be protected against contact, dirt, water, etc.
  • each coupling device having a coupling head which is supported on a drawbar of a draw and buffing 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 element and the respective other coupling head with a corresponding recess. This coupling member is designed to engage in the recess of the other coupling head when coupling.
  • EP-A-3 476 688 discloses a coupling for a rail vehicle in which there is an electric coupler on both sides of the coupling head, each with a housing that can be adjusted by a respective propulsion cylinder.
  • the coupling head has a coupling rod on the front and an opening for receiving a coupling rod of the counter-coupling to be coupled.
  • a main reservoir tube is provided which serves as the air source for the propulsion cylinders of the electric couplers.
  • a valve body in the inlet and outlet lines to the propulsion cylinders causes the electric couplers to move into the coupled or uncoupled position.
  • an additional valve body downstream of the valve body is provided for the actuation of a decoupling cylinder.
  • This main reservoir tube as the main air line is arranged next to the coupling head.
  • an automatic center buffer coupler for railway vehicles which automatically couples any wires or cables between the cars during coupling, there being a contact box with a series of spring-loaded electrical contacts for connecting the circuits between the cars. Also, a brake line with a mouthpiece and opposite a shut-off valve arranged in the contact box. An additional mouthpiece is connected to the brake line via a sleeve. The compressed air enters a cylinder from the main channel through the valve. The compressed air acting on the piston, with the help of the rods, pushes the contact box to its forward position, where it can be mated with the similar box next to the automatic coupler.
  • the pamphlet FR 1 187 466 A describes a Scharfenberg coupling in which the electric coupling is decoupled or coupled with compressed air from the main air line.
  • the invention is based on the object of creating a clutch with an electric clutch in which the control when coupling and uncoupling the mechanical and the electric clutch is simple and safe and these are coordinated with one another with optimized use of the available energy sources.
  • the electro-coupling is equipped with a clutch housing and a piston/cylinder unit that can be moved for coupling and decoupling.
  • the piston/cylinder unit is controlled or actuated, at least for coupling the electric clutch, by means of the compressed air of the main air line. This results in very simple and safe coupling and decoupling of the electric coupling.
  • a branch line with a two-way valve arranged in it leads from the main air line, which is routed through the coupling head, into that chamber of the piston/cylinder unit in order to adjust the latter to the position of 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 routed from the main air line of the coupling head to a control valve, with this control valve connecting one or the other chamber of the piston/cylinder unit with the connection line to the separate pressure medium for its coupling and uncoupling when the two-way valve is actuated or closes.
  • FIG. 1 shows schematically a coupling with a mechanical coupling head 10 and an electric coupling 20 fastened on top, on the side or below this, in which this coupling is used in particular for a rail vehicle.
  • this coupling is used in particular for a rail vehicle.
  • the electrical lines of the rail vehicles are connected to one another with the electric coupling 20, so that the power supply and electrical control lines to the coupled vehicles are guaranteed.
  • An electric coupling 20 is positioned on the front and rear of each rail vehicle in such a way that it can be coupled in a compatible manner to any other vehicle.
  • the electric clutch 20 is equipped with a clutch housing 21 and with a piston/cylinder unit 25 that can be displaced therein.
  • Her piston 28 is held rigidly on the coupling head 10 and the cylinder 29 and with it the clutch housing 21 on this piston 28 movably guided, which subsequently to 3 is explained in more detail.
  • This coupling head 10 is provided with an indicated housing 10', which has an abutment surface 14 on the front for a flat contact with an abutment surface of a coupling head to be coupled for coupling two rail vehicles or the like. Further details of the locking when coupling are not shown in more detail, since they do not relate to the invention.
  • a guide vane 16 is also indicated at the front of the abutment surface 14, which is 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 and is fed with an operating pressure of air for the brakes of the rail vehicles.
  • HLL main air line 11
  • This connection means 40 includes an adjustable in its axis Plunger 41, a sleeve 42 that guides it, and a compression spring 43.
  • This plunger 41 can be valve-controlled, protruding toward the abutment surface 14 of the coupling head 10 and pushed into an opening in a main air line of a coupled coupling head, so that a tight connection of the main air line between the heads is made possible becomes.
  • the closing valve 30 in the main air line 11 comprises a stationary guide sleeve 31, a closing piston 35 guided by it and having a cavity 36 and a compression spring 32 arranged therein angled main air line 11 sealingly.
  • This closing piston 35 is slidably arranged at the bottom in a cylinder chamber 34 which is connected to a two-way valve 37 via a branch line 38 .
  • the plunger 41 is also advanced in the same way when the two-way valve 37 is opened, since it is also fed via this branch line 38 and this branching 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, with 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 of the electro-coupling 20 connects or closes with a connecting line 15 of a separate pressure medium 17 for coupling and uncoupling it.
  • the pressure medium 17 can be contained in a pressure vessel and also 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 the electric clutch can still be decoupled.
  • the existing pressure of 3.5 to 5.0 bar can be used, which on the one hand simplifies the control and on the other hand ensures reliable operation.
  • FIG. 2 shows a variant of a control of the electric clutch 20, in which the actuation of the piston/cylinder unit 25 for displacement for the coupling of the electric clutch 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 when the two-way valve 13 is opened into the position of the coupled state of the electric clutch 20 to adjust, while a connecting line 15 is provided leading to a separate pressure medium 17 in a second chamber 27 of the piston / cylinder unit 25 for their uncoupling.
  • This second chamber 27 is arranged on that side in the cylinder 29 on which its piston 28 is held rigidly on the coupling head with the piston rod 28'.
  • Pressure reducing valve 22 included, by means of which a higher pressure difference between the two chambers 26, 27 is brought about.
  • branch line 12 with the two-way valve 13 could be omitted entirely and this line 12', shown in broken 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, as indicated by dot-dashed lines, which would permanently exert pressure on the piston 28 and thus cause a decoupling as soon as the pressure in of 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 electric coupling 20, which has these plugs and/or sockets 45 in the coupling housing 21, an electric 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 to protect them in the decoupled state, a linkage 48 for the Opening and closing the cover 47 and a guide assembly 49 for the clutch housing 21 has.
  • 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 actuated pneumatically, mechanically and/or electrically.
  • the piston/cylinder unit (25) can also be designed as a differential piston, in which the chamber 27 is constantly acted upon, for example via this compression spring 33 or by compressed air. To move the electric clutch in and out, only chamber 26 is pressurized with compressed air or vented.
  • the differential force can be achieved through the use a pressure reducing valve in the supply line to chamber 27 can be increased.
  • the electric clutch could also be driven by a lever system instead of a pneumatic cylinder, with the end position being in an over-center position as with a toggle lever, which would also be actuated by means of a piston/cylinder unit or the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Claims (4)

  1. Accouplement ayant un accouplement électrique, notamment pour un véhicule ferroviaire, dans lequel l'accouplement (20) électrique est équipé d'un boîtier (21) d'accouplement ayant une unité (25) à piston / cylindre pouvant le faire coulisser, qui sont guidés dans une tête (10) d'accouplement, dans lequel la tête (10) de l'accouplement a un conduit (11) principal d'air, qui y passe, avec une pression de service appliquée pour les freins des véhicules ferroviaires,
    caractérisé en ce que
    la commande de l'unité (25) à piston / cylindre s'effectue au moins pour l'accouplement de l'accouplement (20) électrique au moyen de l'air comprimé du conduit (11) principal d'air, dans lequel, du conduit (11) principal d'air part vers une soupape pilote (19) un conduit (12) de dérivation ayant une soupape (13) à deux voies ou une soupape à plusieurs voies, qui y est montée et qui peut être actionnée pneumatiquement, mécaniquement et/ou électriquement, dans lequel cette soupape pilote (19) met, lors de l'actionnement de la soupape (13) à deux voies ou de la soupape à plusieurs voies, l'une ou l'autre chambre (26, 27) de l'unité (25) à piston / cylindre de l'accouplement (20) électrique en communication avec un conduit (15) de raccordement à un fluide (17) sous pression distinct pour son accouplement et pour son désaccouplement ou respectivement le ferme.
  2. Accouplement ayant un accouplement électrique, notamment pour un véhicule ferroviaire, dans lequel l'accouplement (20) électrique est équipé d'un boîtier (21) d'accouplement ayant une unité (25) à piston / cylindre pouvant le faire coulisser, qui sont guidés dans une tête (10) d'accouplement, dans lequel la tête (10) de l'accouplement a un conduit (11) principal d'air, qui y passe, avec une pression de service appliquée pour les freins des véhicules ferroviaires, dans lequel l'actionnement de l'unité (25) à piston / cylindre s'effectue, au moins pour l'accouplement de l'accouplement (20) électrique, au moyen de l'air comprimé du conduit (11) principal d'air, et dans lequel un conduit (12) de dérivation, ayant une soupape (13) à deux voies ou une soupape à plusieurs voies, qui y est montée et qui peut être actionnée pneumatiquement, mécaniquement et/ou électriquement, va du conduit (11) principal d'air à une première chambre (26) de l'unité (25) à piston / cylindre, pour mettre cette dernière, lors de l'actionnement de la soupape (13) à deux voies ou de l'actionnement de la soupape à plusieurs voies, dans la position de l'état accouplé de l'accouplement (20) électrique, caractérisé en ce qu'il est prévu un conduit (15) de raccordement à un fluide sous pression distinct, menant à une deuxième chambre (27) de l'unité (25) à piston / cylindre de l'accouplement (20) électrique pour son désaccouplement.
  3. Accouplement suivant la revendication 1 ou 2, caractérisé en ce que
    dans le conduit (11) principal d'air de la tête (10) d'accouplement est contenue une soupape (30) de fermeture, qui est constituée de manière à être poussée, dans l'état fermé, dans la direction de fermeture par un ressort (32) de compression.
  4. Accouplement suivant la revendication 1 ou 2, caractérisé en ce que la soupape (13, 37) à deux voies dans le conduit (12, 38) de dérivation peut être actionnée par un interrupteur, qui peut être activé, respectivement lors de l'accouplement et du désaccouplement de la tête d'accouplement, et qui provoque une commutation.
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 EP3750771A1 (fr) 2020-12-16
EP3750771B1 true 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

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH718997A2 (de) 2021-09-27 2023-03-31 Faiveley Transp Schwab Ag Kupplung, insbesondere für ein Schienenfahrzeug.
DE102022131836A1 (de) * 2022-12-01 2024-06-06 Voith Patent Gmbh Elektrokontaktkupplung für eine automatische mittelpufferkupplung eines spurgeführten fahrzeugs sowie automatische mittelpufferkupplung mit einer solchen elektrokontaktkupplung
CH720319A2 (de) 2022-12-12 2024-06-14 Faiveley Transp Schwab Ag Kupplung für ein Schienenfahrzeug

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1104551B (de) * 1956-12-06 1961-04-13 Scharfenbergkupplung Gmbh Schalteinrichtung fuer die Fahrsperre von Schienenfahrzeugen
DE1405664C3 (de) * 1961-10-14 1974-09-12 Wsesojusny Nautschno-Issledowatelskij Institut Schelesnodoroschnowo Transporta, Moskau Selbsttätige Mittelpufferkupplung für Schienenfahrzeuge
GB1114637A (en) * 1967-02-27 1968-05-22 Linke Hofmann Busch Improvements in or relating to automatic mechanical couplings
CH517012A (it) * 1970-01-26 1971-12-31 Westinghouse Italiana Dispositivo per il comando automatico di apertura e chiusura dei rubinetti di testata del freno all'atto dell'accoppiamento di due veicoli ferroviari muniti di aggancio automatico
DE19704966C2 (de) * 1997-01-28 1999-03-25 Mannesmann Ag Vorrichtung zur Betätigung von Absperrorganen, insbesondere bei Eisenbahnwaggons
DE19829393A1 (de) 1998-07-01 2000-01-05 Fischer Georg Verkehrstechnik Verriegelungsmechanismus für eine Kupplungsanordnung
CH702215A2 (de) 2009-11-13 2011-05-13 Schwab Verkehrstechnik Ag Automatische Kupplung für Schienenfahrzeuge mit Seitenpuffern.
CN107031680B (zh) * 2017-04-18 2018-09-14 青岛思锐科技有限公司 车钩解钩控制机构

Also Published As

Publication number Publication date
PL3750771T3 (pl) 2023-09-04
EP3750771A1 (fr) 2020-12-16

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