EP1378416B1 - Electrical contact coupling - Google Patents

Electrical contact coupling Download PDF

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Publication number
EP1378416B1
EP1378416B1 EP03013973A EP03013973A EP1378416B1 EP 1378416 B1 EP1378416 B1 EP 1378416B1 EP 03013973 A EP03013973 A EP 03013973A EP 03013973 A EP03013973 A EP 03013973A EP 1378416 B1 EP1378416 B1 EP 1378416B1
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EP
European Patent Office
Prior art keywords
contact
contact carrier
coupling according
electrical contact
coupling
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.)
Expired - Lifetime
Application number
EP03013973A
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German (de)
French (fr)
Other versions
EP1378416A1 (en
Inventor
Andreas Kainz
Uwe Ziegler
Frank Moskob
Dominik Neuberger
Gregor Nowak
Robert Dost
Jürgen Veit
Bernd Schumann
Robert Austen
Egbert Kurz
Othmar Von Berg
Monika Bauer
Klaus Hiller
Bernd Nussbaum
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.)
Era Contact GmbH
Original Assignee
Era Contact GmbH
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
Application filed by Era Contact GmbH filed Critical Era Contact GmbH
Publication of EP1378416A1 publication Critical patent/EP1378416A1/en
Application granted granted Critical
Publication of EP1378416B1 publication Critical patent/EP1378416B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2107/00—Four or more poles

Definitions

  • the invention relates to an electrical contact coupling comprising a first and a second contact carrier housing, each having a first and second contact carrier for first and second contact elements record when engaging in make electrical contact with each other.
  • the conventional electrical contact couplings for example, in Rail vehicles used in conjunction with mechanical couplings Be sure to have heavy rectangular enclosures with a protective flap, either self-opening or positively controlled and the contact elements decoupled in the Condition against pollution ensures.
  • the housings are on poles or Rail slidable to the built-in contact elements in the To move coupling plane. The movement of the housing is done either over its own drive, such as a pneumatic cylinder or a with the mechanical coupling coupled drive, which acts externally on the housing.
  • the housings are usually suspended or stored with a certain amount of play, wherein the positioning of the housing relative to each other during the coupling process via centering pins and sockets on the housings. The positioning in axial direction is effected by the contact pressure of the mechanical clutch and over springs or rubber elements.
  • electrical contact couplings according to the preamble of claim 1 are known.
  • these couplings have two contact carriers provided with contact elements, which are rotationally symmetrical with respect to the coupling axis.
  • One of the contact carrier is designed as a plug part and the other contact carrier as a socket part.
  • the invention is based on the object, a compact, modular and easy Establish constructed electrical contact coupling of the type mentioned, a Data, signal and / or energy transmission with high reliability and Ensures noise immunity and facilitates their installation and service are.
  • first and the second Contact carrier with respect to the coupling axis of the electrical contact coupling are formed rotationally symmetrical, wherein the first contact carrier as a plug part is formed with a cylindrical outer peripheral surface, at the first Sliding contact elements are arranged, and wherein the second contact carrier as Socket part is formed, which is intended to receive the plug part and a cylindrical inner peripheral surface has, on the second sliding contact elements are arranged.
  • the contact elements are not essential exposed to mechanical stress.
  • the sliding contact elements are firstly fundamentally relatively insensitive to the expected mechanical forces and only then come into contact with each other when the contact carrier already centered relative to each other.
  • the grind at each coupling process Sliding contact elements together, thereby cleaning the contact surfaces takes place, so that always a flawless contact and thus signal transmission is possible.
  • the contact carriers are due to their rotationally symmetrical shape easy to manufacture, the centering of a cylindrical plug part in one cylindrical socket part can be simple and reliable way, for example be ensured by conical centering on the contact carriers.
  • the electrical contact coupling according to the invention can be automatically operated. She can work in different technical fields be used, where lines for energy, data and signal transmission solvable to connect with each other. In particular, it is for use with mechanical couplings on vehicles, in particular rail vehicles certainly.
  • one of the contact carriers is axial by means of an adjusting device adjustable.
  • this is the first contact carrier, which is connected for example with a double-acting pneumatic cylinder.
  • the other contact carrier is suitably mounted axially resilient and in Clamping direction biased so that it coincides when the contact carrier can escape axially to manufacturing tolerances on the contact carrier housings compensate and catch a game that occurs during operation.
  • the sliding contact elements on the outer peripheral surface of the first Contact carrier are arranged, still offers the possibility within the first contact carrier to arrange further contact elements.
  • the first Contact carrier on its second contact carrier side facing a cup-shaped cylindrical recess have in the plug contact elements are arranged, to cooperate with mating plug contact elements the second contact carrier are determined.
  • the Plug contact elements of contact pins and the mating contact elements of Sockets formed. Since the centering of on the plug part and the Bushing part trained centering surfaces are included, are the Plug contact elements in the inventive solution largely free of the mechanical loads associated with conventional electrical contact couplings Pin / socket contacts occur.
  • any Transverse forces on the contact pins can also be avoided in the recess of the first contact carrier further centering be arranged.
  • these can for example, consisting of an electrically conductive material ribs be formed, which extend between the plug contact elements and the at Domes engage in complementary recesses in the second contact carrier.
  • the centering thus take over the further function of Shielding elements, which are supplemented by another electrical shielding can be, which surround the plug contact elements individually or in groups.
  • the first contact carrier is remote on its second contact carrier Side with a receiving the terminal ends of the contact elements
  • Contact carrier can be connected to the bottom of the piston rod pneumatic adjusting device is connected, the one in the contact carrier box has opening axially continuous cable channel. Through the hollow piston rod the cable can be passed to the first contact carrier. If the Contact carrier with the bottom of the can directly and with the Kontakklichdose solvable is connected, the jacket of the contact carrier can from the can bottom and dissolved the contact carrier and pulled off to the front, so that the Exiting terminal ends of the contact elements of the first contact carrier. This facilitates assembly and service.
  • the second contact carrier is expediently axially movable and with radial play in the second contact carrier housing stored and has at its the first contact carrier facing the outer edge of a conical centering surface, which abutment with a complementary conical Stop surface of the second contact carrier housing is determined, wherein the second Contact carrier is biased by spring means in the direction of the stop surface.
  • the contact carrier housing with mechanical Provided centering means which engage in the coupling process, so that the contact carrier housing are aligned relative to each other before the first contact carrier is adjusted and the contact elements engage with each other to step.
  • the centering means may be associated with a signal generator, which on the mutual engagement of the centering responsive and, for example, the adjustment of the first contact carrier triggers when the two contact carrier housing relative aligned with each other.
  • the signal generator can also be on the mechanical Coupling can be arranged and on closing the mechanical coupling speak to.
  • At least one of the contact carrier housing via elastic Fastening elements can be fastened to the respective coupling head.
  • These Fasteners may be arranged so that the contact carrier housing slightly in the coupling direction over the respective coupling head of survive mechanical coupling. This ensures that independent from the game of mechanical coupling the contact carrier housing the Electrical contact coupling can meet in any case.
  • the first contact carrier in the coupled state either directly with the second Contact carrier or lockable with the second contact carrier housing.
  • adjustable locking element for engagement in a him associated recess in the other part is determined.
  • the locking element a by means of an electromagnet adjustable pin.
  • the Locking element may be on the female part or on the second Contact carrier housing to be arranged.
  • the locking element is expediently so designed to be at a threshold exceeding a certain threshold Tensile force on the interlocked parts releases the lock. This can be done by a corresponding design of the locking element with a Rampen configuration and the like and in the worst case by integration of a Predetermined breaking point to be ensured in the locking element.
  • a sensor which is the complete insertion the plug part in the socket part monitors and controls.
  • the example as Proximity sensor trained sensor switches on the complete insertion of the Plug parts in the socket part of the actuator and controls the operation of the Locking element. When unintentionally moving apart of the coupling parts if necessary, the sensor causes the adjusting device to be switched on again.
  • the adjusting device can be designed so that they are in the engaged state in a freewheeling position is switchable, in which the first contact carrier relative to the first contact carrier housing is axially free to move.
  • this closure preferably comprises at least one transverse to the coupling axis adjustable closure plate. Opposite the known hinged flaps, this solution has the great advantage that the closure only then needs to be opened when the contact carrier housing the Electric contact coupling already abut each other and the coupling openings the contact carrier housing so against the ingress of dirt and Moisture are protected.
  • a flap must first be swung away, before the contact carrier housing can be moved up to each other, so that the coupling openings at least until the meeting of the Uncover the contact carrier housing unprotected.
  • the closure thus expediently in dependence of the coupling process controllable, i. the shutter is opened only when the two Contact carrier housing abut each other or the shutter is closed, before the two contact carrier housing separate.
  • a movable one Closure plate could also be provided a kind of blind. These too can be make so that the coupling opening only after the meeting of the Contact carrier housing needs to be opened.
  • the electrical contact coupling shown schematically in Figure 1 comprises a first generally designated 10 coupling part and a second generally with 12th designated coupling part.
  • the first coupling part has a first Clutch housing 14 having a cylindrical wall 16 which axially through a front flange 18 and limited by a rear flange 20. These Flanges 18 and 20 are flattened on one side and with a mounting plate 22nd connected.
  • the mounting plate carries rubber buffer 24, in the threaded bolt 26th are embedded, with which the coupling part 10 on the not shown Coupling head of a mechanical coupling for rail vehicles attached can be.
  • the front flange 18 is defined by a perpendicular to the axis of the cylindrical contact carrier housing 14 directed cleat 28 covered, which is laterally (in Figure 1 up and down) over the front flange 18 addition extends.
  • recess 30 in the front Flange 18 are two plate-shaped slide 32 in the direction of arrows
  • the actuator for the slider 32 is not shown and may be arbitrary in principle.
  • a pneumatic cylinder 36 from which a piston rod 38 protrudes, with one in the first Contact carrier housing arranged generally designated 40 first Contact carrier is connected, so that it can be adjusted in the axial direction, as will be explained later.
  • the second coupling part 12 comprises a second contact carrier housing 42, which in the essentially the same as the first contact carrier housing 14 is constructed, so that the same parts are provided with the same reference numerals and not then again be explained.
  • the second contact carrier housing 42 serves to receive a second contact carrier 44, which will be explained in more detail below.
  • Centering pin 46 and centering bushes 48 are arranged, of which in the figures 1 and 2 only one pair is shown and the engaged in the coupling process engage to the two coupling parts 10 and 12 co-axially with each other to align before the contact carrier 40 and 44 engage with each other.
  • the first contact carrier 40 has a rotationally symmetrical formed insulating body 50 having a cylindrical outer peripheral surface 52. An its rear end, the insulating body 50 has a radially over the Peripheral surface 52 projecting annular flange 54. In the peripheral surface 52 are in even circumferentially spaced axially parallel grooves 56 worked out in which in each case a first contact element 58 is inserted.
  • the first contact element 58 has according to Figure 5, a cylindrical shaft portion 60 and an elongated support member 62, the in the groove 56 engages and on which a contact spring 64 is arranged. To the rear free end of the shaft portion 60 is a terminal lug 66 is attached.
  • the Contact element 58 may be made in one piece.
  • a cylindrical cup-shaped recess 68 in the other contact elements in Form of plug contact pins 70 are arranged in a circle.
  • a contact pin 72 In the middle of this Recess is a contact pin 72.
  • the contact pins 70 and 72 are respectively surrounded by a cylindrical shielding surface 74 and 76, wherein the Shielding surfaces 74 and 76 are interconnected by radial ribs 78, the as well as the shielding surfaces 74 and 76 are made of metal and next to her Shielding also serve as centering, as explained in more detail shall be.
  • the contact elements 70, 72 and the shields 74, 76,78 can Be part of an insert that can be used in the cup-shaped recess 68 and is held by a front ring 80 which by means of screws 82 on the Insulator 50 is attached.
  • the end ring 80 is provided with conical centering surfaces 83, 84 provided, which the insertion of the plug part designed as the first Contact carrier 40 in the second contact carrier 44 designed as a socket part facilitate.
  • the contact carrier 40 is at its rear end with a cylindrical Contact carrier can 86 connected, which is closed by a can bottom 88 and receives the shaft portions of the contact elements 58 with the terminal lugs 66.
  • the contact carrier 40 is via bolt 89 directly to the can bottom 88th connected.
  • the bolts 89 pass through the insulating body 50 in a manner not shown up to the lying under the end ring 80 end face of the insulating body 50, so that the Connection between the first contact carrier 40 and the bottom of the can 88 from the front can be solved.
  • the jacket of the contact carrier box 86 is connected to the bottom 88 through also connected from the front accessible not shown screws and can therefore be deducted forward. This facilitates access to the Terminal lugs 66 of the contact elements 58th
  • the piston rod 38 is rigidly connected to the bottom of the can 88.
  • the piston rod 38 is formed as a tube with a central channel 90 through which a not shown cable can be passed, which with the terminal lugs 66 to be connected cable cores comprises.
  • the piston rod 38 is also fixed with a piston 92 which is slidably guided in the cylinder 36.
  • the Cylinder 36 is designed as a double-acting cylinder, with the schematic indicated pneumatic lines 94 is connectable to the piston 92 and thus the contact carrier 40 in the direction of the double arrow B back and forth.
  • the outer end of the piston rod 38 can by a bellows, not shown to be protected. As you can see, are the moving parts of the actuator within the contact carrier housing 14 and the rigidly connected thereto Cylinder 36 and are therefore protected against external influences. This results a very compact and robust construction of the clutch.
  • the contact carrier box 86 has on its outer peripheral surface a sliding ring 96, with to which it is slidably guided on the inner surface of the housing wall 16.
  • second contact carrier 44 is formed as a socket part with an insulating body 98, which has a cup-shaped recess 100.
  • the fixed Contact tracks 106 At the cylindrical inner peripheral wall 102 of the recess 100 are uniform Circumferentially spaced second contact elements 104, the fixed Contact tracks 106 have.
  • the contact elements 104 are shown in FIG.
  • the fixed contact paths 106 are provided with a cylindrical shaft portion 108 connected, at its free end in each case a terminal lug 110 is located.
  • the contact elements 104 are not shown in recesses in the Insulator 98 used.
  • the insulating body 98 consists of a ring 112, on its rear side is closed by a bottom 114. On the side facing the ring 112 the bottom 114 carries a cylindrical base 116 in which sockets 118, 120 complementary to the contact pins 70 and 72 of the first contact carrier 40th are arranged.
  • the base 116 is formed by radially extending slots 122 and a divided cylindrical slot 124.
  • the slots 122 and 124 serve for Receiving the ribs 78 and the shield 76, when the first contact carrier 40th is inserted into the second contact carrier 44.
  • the contact sockets 118 have funnel-shaped extension surfaces 126, which facilitate insertion of the To facilitate contact pins 70 in the contact bushes 118.
  • the contact carrier 44 is in the contact carrier housing 42 parallel to the axis directed pins 128 mounted axially displaceable with radial play and through Springs 130 biased in the direction of arrow C. In FIG. 2, only one pin 128 is shown and a spring 130 is shown.
  • the pins 128 have in the insulating body 98 of the second contact carrier 44 a radial clearance, so that the second contact carrier 44th can compensate radial tolerances.
  • the ring 112 of the insulating body 98 has a conical surface at its free edge 132, which for abutment against a complementary conical surface 134 of the Contact carrier housing 42 is determined, as shown in Figure 2.
  • the second contact carrier 44 automatically centered when it is pressed by the springs 130 against the abutment surface 134.
  • the rear flange 20 of the second contact carrier housing 42 has an opening 136, through which a cable with the to the contact elements 104, 118 and 120th connectable cable cores can be inserted into the housing interior.
  • the coupling parts 10 and 12 are connected to the coupling heads, not shown mechanical coupling mounted so that they slightly over in the coupling direction protrude the respective coupling head.
  • this ensures that the Shock plates of the coupling parts 10 and 12 come to rest against each other, the Centering elements 46 and 48 on the housing flanges 18 in engagement with each other occur, so that the contact carrier housing 14 and 42 co-axially aligned with each other are.
  • There may be an unillustrated sensor that signals when the Clamp plates abut each other and the centering means 46, 48 in engagement with each other are. Depending on the sensor signal then the shutter slide 32 on opened the two Kontakkitatigephin 14 and 42.
  • the two contact carriers 40, 44 are determined by the various mentioned centering surfaces are aligned relative to each other, so that the Kontatkstatte 70 and 72 are respectively inserted into the associated contact sockets 118 and 120, respectively be without the risk of tilting of the pins.
  • the contact springs 64 of the first contact elements 58 slide on the contact tracks 106 of the second contact elements 104, whereby the contact surfaces cleaned become.
  • electromagnet 146 which has a locking pin 148 radially adjusted, so that this trained in a wall in the contact carrier box 86 Recess 150 can intervene.
  • this recess 150 is 90 ° shown offset.
  • signal-actuated locking can also be a elastic form-fitting, when exceeding a threshold value opening Lock be provided, for example, from a ball catch with a spring-loaded ball or an iris spring is formed.
  • the above-described Locking device be designed so that when exceeding a predetermined tensile force, which the two coupling parts 10 and 12th pulls apart, the lock gives way.
  • a positive locking can be formed be that it opens automatically at a given tensile force. This is on the Locking pin to provide a ramp surface through which the pin forcibly is moved into its release position when the axial tensile force a predetermined Value exceeds.
  • a radially adjustable pin to be provided with a predetermined breaking point.
  • the electrical contact coupling described above consists of simple to be produced and assembled parts.
  • the contact carrier housing which the Completely enclosing contact elements can reliably prevent penetration be protected from dirt and moisture, as they only open when the Clamp plates 28 of the two coupling parts 10 and 12 abut each other and thus virtually no dirt and moisture in the interior of the Contact carrier housing can penetrate. With the sliding contacts is a ensures reliable contact. As the contact carriers themselves into each other engage, the contact elements are not charged in the contact. she can clean themselves automatically. The large-scale centering of the Ensures interlocking contact carrier, that the contact pins in the first contact carrier without radial load in the associated contact sockets can occur the second contact carrier.
  • the axial deflectability of the second Kunststoffands and its radial play allow a balance of axial and radial relative movements of the contact carrier housing. That to some extent resilient attachment of the coupling parts 10 and 12 to the associated Coupling heads of the mechanical coupling allows compensation of Movements of the mechanical clutch. A mobility of the Contact carrier housing on the coupling heads of the mechanical coupling is not mandatory.
  • the above-described electrical contact coupling is not only easy to assemble, but also easy to maintain.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Surgical Instruments (AREA)
  • Mechanical Operated Clutches (AREA)
  • Contacts (AREA)
  • Conductive Materials (AREA)
  • Multi-Conductor Connections (AREA)

Abstract

The contact device has first (14) and second (42) housings. The first socket (40) which plugs into the second socket (44) is rotationally symmetrical and has many small spring hooks which engage inside the second housing. The first housing has eight pins which engage in eight sockets in the second housing. Each socket has an array of contact tags (58,104) connected to wires.

Description

Die Erfindung betrifft eine Elektrokontaktkupplung, umfassend ein erstes und ein zweites Kontaktträgergehäuse, die jeweils einen ersten bzw. zweiten Kontaktträger für erste bzw. zweite Kontaktelemente aufnehmen, die beim Einkuppeln in elektrischen Kontakt miteinander treten.The invention relates to an electrical contact coupling comprising a first and a second contact carrier housing, each having a first and second contact carrier for first and second contact elements record when engaging in make electrical contact with each other.

Es sind Elektrokontaktkupplungen der vorstehend genannten Art bekannt, bei denen die Kontaktelemente als Stift/Buchse-Kontakte ausgebildet sind. Diese gewährleisten eine hohe Übertragungssicherheit, sind aber mechanisch empfindlich. Sie erfordern eine genaue Zentrierung und parallele Kupplungsebenen. Bei Schräglauf oder unpräziser Zentrierung kann das Kuppeln zum Verkanten und Knicken der Kontaktstifte führen. Ferner sind derartige Elektrokontaktkupplungen mit Druck/Fest-Kontakten bekannt, bei denen ein Kontaktelement feststeht, während das andere in Kupplungsrichtung federbelastet ist. Diese Kontaktelemente sind mechanisch unempfindlich und stellen weder an die Zentrierung noch an die Parallelität der Kupplungsebenen hohe Anforderungen. Ihre Übertragungsqualität ist allerdings mäßig. Die Kontaktflächen sind relativ klein und ihre Verschmutzung bewirkt höhere Widerstände und Signaldämpfungen. There are known electrical contact couplings of the aforementioned type, in which the contact elements are designed as pin / socket contacts. These ensure a high transmission security, but are mechanically sensitive. They require a precise centering and parallel coupling planes. At skew or imprecise centering can make the domes tilt and buckle Guide pins. Furthermore, such electrical contact couplings with pressure / hard contacts in which a contact element is fixed, while the other in Coupling direction is spring loaded. These contact elements are mechanical insensitive and do not focus on the centering or the parallelism of Coupling levels high demands. Your transmission quality is, however moderate. The contact surfaces are relatively small and their pollution causes higher Resistors and signal attenuations.

Die herkömmlichen Elektrokontaktkupplungen, die beispielsweise bei Schienenfahrzeugen in Verbindung mit mechanischen Kupplungen verwendet werden, haben schwere rechteckige Gehäuse mit einer Schutzklappe, die entweder selbstöffnend oder zwangsgesteuert ist und die Kontaktelemente im entkuppelten Zustand gegen Verschmutzung sichert. Die Gehäuse sind auf Stangen oder Schienen verschiebbar, um die eingebauten Kontaktelemente in die Kupplungsebene zu verfahren. Die Bewegung der Gehäuse erfolgt entweder über einen eigenen Antrieb, beispielsweise einen Pneumatikzylinder oder über einen mit der mechanischen Kupplung gekoppelten Antrieb, der extern am Gehäuse angreift. Die Gehäuse sind üblicherweise mit einem gewissen Spiel aufgehängt oder gelagert, wobei die Positionierung der Gehäuse relativ zueinander beim Kupplungsvorgang über Zentrierstifte und Buchsen an den Gehäusen erfolgt. Die Positionierung in axialer Richtung erfolgt durch den Anpreßdruck der mechanischen Kupplung und über Federn oder Gummielemente.The conventional electrical contact couplings, for example, in Rail vehicles used in conjunction with mechanical couplings Be sure to have heavy rectangular enclosures with a protective flap, either self-opening or positively controlled and the contact elements decoupled in the Condition against pollution ensures. The housings are on poles or Rail slidable to the built-in contact elements in the To move coupling plane. The movement of the housing is done either over its own drive, such as a pneumatic cylinder or a with the mechanical coupling coupled drive, which acts externally on the housing. The housings are usually suspended or stored with a certain amount of play, wherein the positioning of the housing relative to each other during the coupling process via centering pins and sockets on the housings. The positioning in axial direction is effected by the contact pressure of the mechanical clutch and over springs or rubber elements.

Aus den Druckschriften DE 14 38 777A, DE 15 63 964A, DE 12 02 374B, CH 236 846A, DE 11 87 704B sind Elektrokontaktkupplungen nach dem Oberbegriff des Anspruchs 1 bekannt. Diese Kupplungen weisen insbesondere zwei mit Kontaktelementen versehene Kontaktträger auf, die bezüglich der Kupplungsachse rotationssymmetrisch ausgebildet sind. Einer der Kontaktträger ist als Steckerteil und der andere Kontaktträger als Buchsenteil ausgebildet.From the documents DE 14 38 777A, DE 15 63 964A, DE 12 02 374B, CH 236 846A, DE 11 87 704B electrical contact couplings according to the preamble of claim 1 are known. In particular, these couplings have two contact carriers provided with contact elements, which are rotationally symmetrical with respect to the coupling axis. One of the contact carrier is designed as a plug part and the other contact carrier as a socket part.

Der Erfindung liegt die Aufgabe zugrunde, eine kompakte, modular und einfach aufgebaute Elektrokontaktkupplung der eingangs genannten Art anzugeben, die eine Daten-, Signal- und/oder Energieübertragung mit hoher Zuverlässigkeit und Störsicherheit gewährleistet und deren Montage und Service erleichtert sind.The invention is based on the object, a compact, modular and easy Establish constructed electrical contact coupling of the type mentioned, a Data, signal and / or energy transmission with high reliability and Ensures noise immunity and facilitates their installation and service are.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale nach Anspruch 1 gelöst, wobei der erste und der zweite Kontaktträger bezüglich der Kupplungsachse der Elektrokontaktkupplung rotationssymmetrisch ausgebildet sind, wobei der erste Kontaktträger als Steckerteil mit einer zylindrischen Außenumfangsfläche ausgebildet ist, an der erste Schleifkontaktelemente angeordnet sind, und wobei der zweite Kontaktträger als Buchsenteil ausgebildet ist, das zur Aufnahme des Steckerteils bestimmt ist und eine zylindrische Innenumfangsfläche hat, an der zweite Schleifkontaktelemente angeordnet sind. This object is achieved by the features of claim 1, wherein the first and the second Contact carrier with respect to the coupling axis of the electrical contact coupling are formed rotationally symmetrical, wherein the first contact carrier as a plug part is formed with a cylindrical outer peripheral surface, at the first Sliding contact elements are arranged, and wherein the second contact carrier as Socket part is formed, which is intended to receive the plug part and a cylindrical inner peripheral surface has, on the second sliding contact elements are arranged.

Vorzugsweise haben die einen der ersten und zweiten Schleifkontaktelemente feststehende Kontaktflächen, während die anderen Schleifkontkatelemente zur Anlage an den feststehenden Kontaktflächen bestimmte Kontaktfedern haben.Preferably, the one of the first and second sliding contact elements fixed contact surfaces, while the other Schleifkontkatelemente for Plant on the fixed contact surfaces have certain contact springs.

Bei der erfindungsgemäßen Lösung sind die Kontaktelemente keiner wesentlichen mechanischen Belastung ausgesetzt. Die Schleifkontaktelemente sind erstens grundsätzlich relativ unempfindlich gegen die zu erwartenden mechanischen Kräfte und treten im übrigen erst dann miteinander in Kontakt, wenn die Kontaktträger bereits relativ zueinander zentriert sind. Bei jedem Kupplungsvorgang schleifen die Schleifkontaktelemente aneinander, wodurch eine Reinigung der Kontaktflächen erfolgt, so daß stets eine einwandfreie Kontaktgabe und damit Signalübertragung möglich ist. Die Kontaktträger sind aufgrund ihrer rotationssymmetrischen Form einfach zu fertigen, die Zentrierung eines zylindrischen Steckerteils in einem zylindrischen Buchsenteil kann auf einfache und zuverlässige Weise beispielsweise durch konische Zentrierflächen an den Kontaktträgern gewährleistet werden.In the solution according to the invention, the contact elements are not essential exposed to mechanical stress. The sliding contact elements are firstly fundamentally relatively insensitive to the expected mechanical forces and only then come into contact with each other when the contact carrier already centered relative to each other. The grind at each coupling process Sliding contact elements together, thereby cleaning the contact surfaces takes place, so that always a flawless contact and thus signal transmission is possible. The contact carriers are due to their rotationally symmetrical shape easy to manufacture, the centering of a cylindrical plug part in one cylindrical socket part can be simple and reliable way, for example be ensured by conical centering on the contact carriers.

Die erfindungsgemäße Elektrokontaktkupplung kann automatisch betätigbar sein. Sie kann in verschiedenen technischen Gebieten eingesetzt werden, wo Leitungen zur Energie-, Daten- und Signalübertragung lösbar miteinander zu verbinden sind. Insbesondere ist sie zur Verwendung mit mechanischen Kupplungen an Fahrzeugen, insbesondere Schienenfahrzeugen bestimmt.The electrical contact coupling according to the invention can be automatically operated. She can work in different technical fields be used, where lines for energy, data and signal transmission solvable to connect with each other. In particular, it is for use with mechanical couplings on vehicles, in particular rail vehicles certainly.

Vorzugsweise ist einer der Kontaktträger mittels einer Stellvorrichtung axial verstellbar. Bei einer bevorzugten Ausführungsform ist dies der erste Kontaktträger, der beispielsweise mit einem doppelt wirkenden Pneumatikzylinder verbunden ist. Der andere Kontaktträger ist zweckmäßigerweise axial federnd gelagert und in Kupplungsrichtung vorgespannt, so daß er beim Zusammentreten der Kontaktträger axial ausweichen kann, um Fertigungstoleranzen an den Kontaktträgergehäusen ausgleichen und ein im Betrieb auftretendes Spiel auffangen. Preferably, one of the contact carriers is axial by means of an adjusting device adjustable. In a preferred embodiment, this is the first contact carrier, which is connected for example with a double-acting pneumatic cylinder. The other contact carrier is suitably mounted axially resilient and in Clamping direction biased so that it coincides when the contact carrier can escape axially to manufacturing tolerances on the contact carrier housings compensate and catch a game that occurs during operation.

Um bei der rotationssymmetrischen Ausbildung der Kontaktträger das Zusammentreten der einander zugeordneten Kontaktelemente sicherzustellen, ist es zweckmäßig, wenn die Kontaktträger verdrehsicher in ihrem jeweiligen Kontaktträgergehäuse gelagert sind. Diese Verdrehsicherung kann beispielsweise durch Stift/Nut-Führungen an den relativ zueinander beweglichen Teilen erfolgen.To in the rotationally symmetrical design of the contact carrier the It is reassuring to assemble the associated contact elements expedient if the contact carrier against rotation in their respective Contact carrier housing are stored. This rotation can, for example done by pin / groove guides on the relatively moving parts.

Da die Schleifkontaktelemente an der Außenumfangsfläche des ersten Kontaktträgers angeordnet sind, bietet sich noch die Möglichkeit, innerhalb des ersten Kontaktträgers weitere Kontaktelemente anzuordnen. Hierzu kann der erste Kontaktträger auf seiner dem zweiten Kontaktträger zugewandten Seite eine topfförmige zylindrische Aussparung haben, in der Steckkontaktelemente angeordnet sind, die zum Zusammenwirken mit Gegensteckkontaktelementen an dem zweiten Kontaktträger bestimmt sind. Beispielsweise sind die Steckkontaktelemente von Kontaktstiften und die Gegensteckkontaktelemente von Steckbuchsen gebildet. Da die Zentrierkräfte von an dem Steckerteil und dem Buchsenteil ausgebildeten Zentrierflächen aufgenommen werden, sind die Steckkontaktelemente bei der erfindungsgemäßen Lösung weitgehend frei von den mechanischen Belastungen, die bei herkömmlichen Elektrokontaktkupplungen mit Stift/Buchse-Kontakten auftreten. Um jedoch ganz sicherzugehen und jegliche Querkräfte auf die Kontaktstifte zu vermeiden, können auch in der Aussparung des ersten Kontaktträgers weitere Zentrierelemente angeordnet sein. Diese können beispielsweise von aus einem elektrisch leitenden Material bestehenden Rippen gebildet sein, die sich zwischen den Steckkontaktelementen erstrecken und die beim Kuppeln in komplementäre Aussparungen in dem zweiten Kontatkträger eingreifen. Die Zentrierelemente übernehmen somit die weitere Funktion von Abschirmelementen, die noch durch eine weitere elektrische Abschirmung ergänzt werden kann, welche die Steckkontaktelemente einzeln oder in Gruppen umgeben.Since the sliding contact elements on the outer peripheral surface of the first Contact carrier are arranged, still offers the possibility within the first contact carrier to arrange further contact elements. For this purpose, the first Contact carrier on its second contact carrier side facing a cup-shaped cylindrical recess have in the plug contact elements are arranged, to cooperate with mating plug contact elements the second contact carrier are determined. For example, the Plug contact elements of contact pins and the mating contact elements of Sockets formed. Since the centering of on the plug part and the Bushing part trained centering surfaces are included, are the Plug contact elements in the inventive solution largely free of the mechanical loads associated with conventional electrical contact couplings Pin / socket contacts occur. But to be on the safe side and any Transverse forces on the contact pins can also be avoided in the recess of the first contact carrier further centering be arranged. these can for example, consisting of an electrically conductive material ribs be formed, which extend between the plug contact elements and the at Domes engage in complementary recesses in the second contact carrier. The centering thus take over the further function of Shielding elements, which are supplemented by another electrical shielding can be, which surround the plug contact elements individually or in groups.

Der erste Kontaktträger ist auf seiner dem zweiten Kontaktträger abgewandten Seite mit einer die Anschlußenden der Kontaktelemente aufnehmenden Kontaktträgerdose verbunden sein, deren Boden mit der Kolbenstange der pneumatischen Stellvorrichtung verbunden ist, die einen in die Kontaktträgerdose mündenden axial durchgehenden Kabelkanal hat. Durch die hohle Kolbenstange kann das Kabel zu dem ersten Kontaktträger hindurchgeführt werden. Wenn der Kontaktträger mit dem Dosenboden direkt und mit der Kontatkträgerdose lösbar verbunden ist, kann der Mantel der Kontaktträgerdose von dem Dosenboden und dem Kontaktträger gelöst und nach vorne abgezogen werden, so daß die Anschlußenden der Kontaktelemente des ersten Kontaktträgers freiliegen. Dies erleichtert die Montage und den Service.The first contact carrier is remote on its second contact carrier Side with a receiving the terminal ends of the contact elements Contact carrier can be connected to the bottom of the piston rod pneumatic adjusting device is connected, the one in the contact carrier box has opening axially continuous cable channel. Through the hollow piston rod the cable can be passed to the first contact carrier. If the Contact carrier with the bottom of the can directly and with the Kontakkträgerdose solvable is connected, the jacket of the contact carrier can from the can bottom and dissolved the contact carrier and pulled off to the front, so that the Exiting terminal ends of the contact elements of the first contact carrier. This facilitates assembly and service.

Um das Eindringen von Feuchtigkeit und Schmutz in die miteinander gekuppelten Kontaktträger zu vermeiden, ist es zweckmäßig, wenn an dem ersten Kontaktträger eine zur Anlage an dem zweiten Kontatkträgergehäuse bestimmte Dichtfläche ausgebildet ist.To prevent the ingress of moisture and dirt into the coupled one another To avoid contact carrier, it is expedient if at the first contact carrier a sealing surface intended for abutment with the second contact carrier housing is trained.

Wie eingangs bereits gesagt wurde, ist der zweite Kontaktträger zweckmäßigerweise axial beweglich und mit radialem Spiel in dem zweiten Kontaktträgergehäuse gelagert und hat an seinem dem ersten Kontaktträger zugewandten Außenrand eine konische Zentrierfläche, die zur Anlage an einer komplementären konischen Anschlagfläche des zweiten Kontaktträgergehäuses bestimmt ist, wobei der zweite Kontaktträger durch Federmittel in Richtung auf die Anschlagfläche vorgespannt ist. Wenn der zweite Kontaktträger bei geöffneter Kupplung von den axial wirkenden Federn gegen die Anschlagfläche des zweiten Kontaktträgergehäuses gepreßt wird, wird er automatisch zentriert. Wird er dagegen im eingekuppelten Zustand von dieser Anschlagfläche axial abgehoben, erhält er gleichzeitig ein radiales Spiel, so daß im Betrieb auftretende axiale und radiale Bewegungen der Kontaktträgergehäuse relativ zueinander ausgeglichen werden können, ohne daß sich die Kontaktträger relativ zueinander bewegen.As already mentioned, the second contact carrier is expediently axially movable and with radial play in the second contact carrier housing stored and has at its the first contact carrier facing the outer edge of a conical centering surface, which abutment with a complementary conical Stop surface of the second contact carrier housing is determined, wherein the second Contact carrier is biased by spring means in the direction of the stop surface. When the second contact carrier with the clutch open from the axially acting Springs are pressed against the abutment surface of the second contact carrier housing, it is automatically centered. Will he, however, in the engaged state of this stop surface lifted axially, it receives a radial clearance at the same time, so that occurring during operation axial and radial movements of Contact carrier housing can be balanced relative to each other without the contact carriers move relative to each other.

Zweckmäßigerweise sind die Kontaktträgergehäuse mit mechanischen Zentriermitteln versehen, die beim Kupplungsvorgang in Eingriff miteinander treten, so daß die Kontaktträgergehäuse relativ zueinander ausgerichtet sind, bevor der erste Kontaktträger verstellt wird und die Kontaktelemente miteinander in Eingriff treten. Den Zentriermitteln kann ein Signalgeber zugeordnet sein, der auf den gegenseitigen Eingriff der Zentriermittel anspricht und beispielsweise die Verstellung des ersten Kontaktträgers auslöst, sobald die beiden Kontaktträgergehäuse relativ zueinander ausgerichtet sind. Der Signalgeber kann aber auch an der mechanischen Kupplung angeordnet sein und auf das Schließen der mechanischen Kupplung ansprechen.Conveniently, the contact carrier housing with mechanical Provided centering means which engage in the coupling process, so that the contact carrier housing are aligned relative to each other before the first contact carrier is adjusted and the contact elements engage with each other to step. The centering means may be associated with a signal generator, which on the mutual engagement of the centering responsive and, for example, the adjustment of the first contact carrier triggers when the two contact carrier housing relative aligned with each other. The signal generator can also be on the mechanical Coupling can be arranged and on closing the mechanical coupling speak to.

Um Toleranzen der mechanischen Kupplungsköpfe auszugleichen, ist es zweckmäßig, wenn mindestens eines der Kontaktträgergehäuse über elastische Befestigungselemente an dem jeweiligen Kupplungskopf befestigbar ist. Diese Befestigungselemente können so angeordnet sein, daß die Kontaktträgergehäuse geringfügig in Kupplungsrichtung über den jeweiligen Kupplungskopf der mechanischen Kupplung überstehen. Dadurch wird gewährleistet, daß unabhängig von dem Spiel der mechanischen Kupplung die Kontaktträgergehäuse der Elektrokontaktkupplung in jedem Falle zusammentreten können.To compensate for tolerances of the mechanical coupling heads, it is expedient if at least one of the contact carrier housing via elastic Fastening elements can be fastened to the respective coupling head. These Fasteners may be arranged so that the contact carrier housing slightly in the coupling direction over the respective coupling head of survive mechanical coupling. This ensures that independent from the game of mechanical coupling the contact carrier housing the Electrical contact coupling can meet in any case.

Um eine zuverlässige Kontaktgabe auch während des Betriebs zu gewährleisten, ist der erste Kontaktträger im gekuppleten Zustand entweder direkt mit dem zweiten Kontaktträger oder aber mit dem zweiten Kontaktträgergehäuse verriegelbar. Hierzu kann an einem der miteinander zu verriegelnden Teile mindestens ein radial verstellbares Verriegelungselement angeordnet sein, das zum Eingriff in eine ihm zugeordnete Aussparung in dem jeweils anderen Teil bestimmt ist. Beispielsweise ist das Verriegelungselement ein mittels eines Elektromagneten verstellbarer Stift. Das Verriegelungselement kann an dem Buchsenteil oder an dem zweiten Kontaktträgergehäuse angeordnet sein. Um eine Überlastung der Elektrokontaktkupplung bei einem unabsichtlichen Lösen der mechanischen Kupplung zu vermeiden, ist das Verriegelungselement zweckmäßigerweise so ausgebildet, daß es bei einer einen bestimmten Schwellwert überschreitenden Zugkraft auf die miteinander verriegelten Teile die Verriegelung löst. Dies kann durch eine entsprechende Gestaltung des Verriegelungselementes mit einer Rampenfläche und dergleichen und im ungünstigsten Fall durch Integration einer Sollbruchstelle im Verriegelungselement sichergestellt werden. To ensure a reliable contact even during operation is the first contact carrier in the coupled state either directly with the second Contact carrier or lockable with the second contact carrier housing. For this can at least one radially to one of the parts to be locked together be arranged adjustable locking element for engagement in a him associated recess in the other part is determined. For example the locking element a by means of an electromagnet adjustable pin. The Locking element may be on the female part or on the second Contact carrier housing to be arranged. To overload the Electrical contact coupling in case of unintentional release of the mechanical To avoid coupling, the locking element is expediently so designed to be at a threshold exceeding a certain threshold Tensile force on the interlocked parts releases the lock. This can be done by a corresponding design of the locking element with a Rampenfläche and the like and in the worst case by integration of a Predetermined breaking point to be ensured in the locking element.

Zweckmäßigerweise ist ein Sensor vorgesehen, der das vollständige Einschieben des Steckerteiles in das Buchsenteil überwacht und steuert. Der beispielsweise als Näherungssensor ausgebildete Sensor schaltet beim vollständigen Einschieben des Steckerteils in das Buchsenteil die Stellvorrichtung ab und steuert die Betätigung des Verriegelungselementes. Beim ungewollten Auseinanderfahren der Kupplungsteile veranlaßt der Sensor gegebenenfalls wieder ein Einschalten der Stellvorrichtung.Conveniently, a sensor is provided, which is the complete insertion the plug part in the socket part monitors and controls. The example as Proximity sensor trained sensor switches on the complete insertion of the Plug parts in the socket part of the actuator and controls the operation of the Locking element. When unintentionally moving apart of the coupling parts if necessary, the sensor causes the adjusting device to be switched on again.

Die Stellvorrichtung kann so ausgebildet sein, daß sie im eingekuppelten Zustand in eine Freilaufstellung schaltbar ist, in der der erste Kontaktträger gegenüber dem ersten Kontaktträgergehäuse axial frei beweglich ist. Wenn der erste Kontaktträger im eingekuppelten Zustand an dem zweiten Kontakträgergehäuse verriegelt und der zweite Kontaktträger gegen den ersten Kontaktträger vorgespannt ist, kann eine Relativbewegung zwischen den Kontaktträgergehäusen nicht auf die Kontaktträger übertragen werden, d.h. diese bleiben von dieser Relativbewegung unbeeinflußt und können sich gemeinsam relativ zu dem ersten Kontaktträgergehäuse bewegen. Damit wird vermieden, daß die Kontaktelemente an den Kontaktträgern bei einer Relativbewegung der Kontaktträgergehäuse aneinander reiben.The adjusting device can be designed so that they are in the engaged state in a freewheeling position is switchable, in which the first contact carrier relative to the first contact carrier housing is axially free to move. When the first contact carrier locked in the engaged state to the second Kontakträgergehäuse and the second contact carrier is biased against the first contact carrier, a Relative movement between the contact carrier housings not on the contact carrier be transmitted, i. these remain unaffected by this relative movement and can move together relative to the first contact carrier housing. This avoids that the contact elements on the contact carriers in a Rub relative movement of the contact carrier housing together.

Um die Kontaktelemente der Elektrokontaktkupplung im entkuppelten Zustand gegen Verschmutzung und das Eindringen von Feuchtigkeit zu schützen, sind die Kupplungsöffnungen des jeweiligen Kontaktträgergehäuses durch einen steuerbaren Verschluß verschließbar, wie dies an sich bereits bekannt ist. Bei der erfindungsgemäßen Lösung umfaßt dieser Verschluß vorzugsweise mindestens eine quer zur Kupplungsachse verstellbare Verschlußplatte. Gegenüber den bekannten schwenkbaren Klappen hat diese Lösung den großen Vorteil, daß der Verschluß erst dann geöffnet zu werden braucht, wenn die Kontaktträgergehäuse der Elektrokontaktkupplung bereits aneinander anliegen und die Kupplungsöffnungen der Kontaktträgergehäuse damit schon gegen das Eindringen von Schmutz und Feuchtigkeit geschützt sind. Eine Klappe dagegen muß erst weggeschwenkt werden, bevor die Kontaktträgergehäuse aneinander herangefahren werden können, so daß die Kupplungsöffnungen zumindest bis zum Zusammentreten der Kontaktträgergehäuse ungeschützt freiliegen. Bei der erfindungsgemäßen Lösung ist der Verschluß also zweckmäßigerweise in Abhängigkeit des Kupplungsvorganges steuerbar, d.h. der Verschluß wird erst dann geöffnet, wenn die beiden Kontaktträgergehäuse aneinander anliegen bzw. der Verschluß wird geschlossen, bevor die beiden Kontaktträgergehäuse sich trennen. Anstelle einer verschiebbaren Verschlußplatte könnte auch eine Art Jalousie vorgesehen sein. Auch diese läßt sich so gestalten, daß die Kupplungsöffnung erst nach dem Zusammentreten der Kontaktträgergehäuse geöffnet zu werden braucht.To the contact elements of the electrical contact coupling in the uncoupled state against Pollution and the ingress of moisture are the Clutch openings of the respective contact carrier housing by a controllable Closure lockable, as is already known. In the According to the invention, this closure preferably comprises at least one transverse to the coupling axis adjustable closure plate. Opposite the known hinged flaps, this solution has the great advantage that the closure only then needs to be opened when the contact carrier housing the Electric contact coupling already abut each other and the coupling openings the contact carrier housing so against the ingress of dirt and Moisture are protected. A flap, however, must first be swung away, before the contact carrier housing can be moved up to each other, so that the coupling openings at least until the meeting of the Uncover the contact carrier housing unprotected. In the solution according to the invention the closure thus expediently in dependence of the coupling process controllable, i. the shutter is opened only when the two Contact carrier housing abut each other or the shutter is closed, before the two contact carrier housing separate. Instead of a movable one Closure plate could also be provided a kind of blind. These too can be make so that the coupling opening only after the meeting of the Contact carrier housing needs to be opened.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung, welche in Verbindung mit den beigefügten Zeichnungen die Erfindung anhand eines Ausführungsbeispieles erläutert. Es zeigen:

Figur 1
eine teilweise schematische dreidimensionale Gesamtansicht der erfindungsgemäßen Elektrokontaktkupplung,
Figur 2
einen die Achse enthaltenden Schnitt durch die Elektrokontaktkupplung entlang der Linie II-II in Figur 1,
Figur 3
eine dreidimensionale Darstellung des als Steckerteil ausgebildeten ersten Kontaktträgers,
Figur 4
eine der Figur 3 entsprechende dreidimensionale Darstellung des als Buchsenteil ausgebildeten zweiten Kontatkträgers.
Figur 5
eine schematische Seitenansicht eines ersten Schleifkontaktelementes und
Figur 6
eine schematische Seitenansicht eines zweiten Schleifkontaktelementes.
Further features and advantages of the invention will become apparent from the following description, which explains the invention with reference to an embodiment in conjunction with the accompanying drawings. Show it:
FIG. 1
a partially schematic three-dimensional overall view of the electrical contact coupling according to the invention,
FIG. 2
a section containing the axis through the electrical contact coupling along the line II-II in Figure 1,
FIG. 3
a three-dimensional representation of the plug-in part designed as the first contact carrier,
FIG. 4
a corresponding three-dimensional representation of the figure as a second trained Kontakkträgers.
FIG. 5
a schematic side view of a first sliding contact element and
FIG. 6
a schematic side view of a second sliding contact element.

Die in der Figur 1 schematisch dargestellte Elektrokontaktkupplung umfaßt ein erstes allgemein mit 10 bezeichnetes Kupplungsteil und ein zweites allgemein mit 12 bezeichnetes Kupplungsteil. Das erste Kupplungsteil hat ein erstes Kupplungsgehäuse 14 mit einer zylindrischen Wand 16, die axial durch einen vorderen Flansch 18 und durch einen rückwärtigen Flansch 20 begrenzt ist. Diese Flansche 18 und 20 sind auf einer Seite abgeflacht und mit einer Montageplatte 22 verbunden. Die Montageplatte trägt Gummipuffer 24, in die Gewindebolzen 26 eingebettet sind, mit denen das Kupplungsteil 10 an dem nicht dargestellten Kupplungskopf einer mechanischen Kupplung für Schienenfahrzeuge befestigt werden kann. Der vordere Flansch 18 wird durch eine senkrecht zur Achse des zylindrischen Kontaktträgergehäuses 14 gerichtete Stoßplatte 28 abgedeckt, die sich seitlich (in Figur 1 nach oben und unten) über den vorderen Flansch 18 hinaus erstreckt. In einer zur Stoßplatte 28 hin offenen Aussparung 30 in dem vorderen Flansch 18 sind zwei plattenförmige Schieber 32 in Richtung der Pfeile A hin und her verstellbar, welche eine kreisförmige Kupplungsöffnung 34 in dem vorderen Flansch 18 und der Stoßplatte 28 verschließen bzw. freigeben können. Der Stellantrieb für die Schieber 32 ist nicht dargestellt und kann im Prinzip beliebig sein.The electrical contact coupling shown schematically in Figure 1 comprises a first generally designated 10 coupling part and a second generally with 12th designated coupling part. The first coupling part has a first Clutch housing 14 having a cylindrical wall 16 which axially through a front flange 18 and limited by a rear flange 20. These Flanges 18 and 20 are flattened on one side and with a mounting plate 22nd connected. The mounting plate carries rubber buffer 24, in the threaded bolt 26th are embedded, with which the coupling part 10 on the not shown Coupling head of a mechanical coupling for rail vehicles attached can be. The front flange 18 is defined by a perpendicular to the axis of the cylindrical contact carrier housing 14 directed cleat 28 covered, which is laterally (in Figure 1 up and down) over the front flange 18 addition extends. In an open towards the cleat 28 recess 30 in the front Flange 18 are two plate-shaped slide 32 in the direction of arrows A back and forth adjustable, which has a circular coupling opening 34 in the front flange 18 and the cleat 28 can close or release. The actuator for the slider 32 is not shown and may be arbitrary in principle.

An den rückwärtigen Flansch 20 schließt sich nach rückwärts ein Pneumatikzylinder 36 an, aus dem eine Kolbenstange 38 herausragt, die mit einem in dem ersten Kontaktträgergehäuse angeordneten allgemein mit 40 bezeichneten ersten Kontaktträger verbunden ist, so daß dieser in axialer Richtung verstellt werden kann, wie dies später noch näher erläutert wird.At the rear flange 20 closes backward, a pneumatic cylinder 36, from which a piston rod 38 protrudes, with one in the first Contact carrier housing arranged generally designated 40 first Contact carrier is connected, so that it can be adjusted in the axial direction, as will be explained later.

Das zweite Kupplungsteil 12 umfaßt ein zweites Kontaktträgergehäuse 42, das im wesentlichen genauso wie das erste Kontatkträgergehäuse 14 aufgebaut ist, so daß gleiche Teile mit gleichen Bezugszeichen versehen sind und nicht dann noch einmal erläutert werden. Das zweite Kontaktträgergehäuse 42 dient zur Aufnahme eines zweiten Kontaktträgers 44, der weiter unten noch näher erläutert wird.The second coupling part 12 comprises a second contact carrier housing 42, which in the essentially the same as the first contact carrier housing 14 is constructed, so that the same parts are provided with the same reference numerals and not then again be explained. The second contact carrier housing 42 serves to receive a second contact carrier 44, which will be explained in more detail below.

An den vorderen Flanschen 18 der beiden Kontaktträgergehäuse 14 und 42 sind Zentrierzapfen 46 und Zentrierbuchsen 48 angeordnet, von denen in den Figuren 1 und 2 jeweils nur ein Paar dargestellt ist und die beim Einkuppelvorgang ineinander eingreifen, um die beiden Kupplungsteile 10 und 12 co-axial zueinander auszurichten, bevor die Kontaktträger 40 und 44 miteinander in Eingriff treten.At the front flanges 18 of the two contact carrier housing 14 and 42 are Centering pin 46 and centering bushes 48 are arranged, of which in the figures 1 and 2 only one pair is shown and the engaged in the coupling process engage to the two coupling parts 10 and 12 co-axially with each other to align before the contact carrier 40 and 44 engage with each other.

Gemäß Figur 3 hat der erste Kontaktträger 40 einen rotationssymmetrisch ausgebildeten Isolierkörper 50 mit einer zylindrischen Außenumfangsfläche 52. An seinem rückwärtigen Ende hat der Isolierkörper 50 einen radial über die Umfangsfläche 52 überstehenden Ringflansch 54. In der Umfangsfläche 52 sind in gleichmäßigen Umfangsabständen achsparallele Nuten 56 ausgearbeitet, in welche jeweils ein erstes Kontaktelement 58 eingesetzt ist. Das erste Kontaktelement 58 hat gemäß Figur 5 ein zylindrisches Schaftteil 60 und ein längliches Stützteil 62, das in die Nut 56 eingreift und an dem eine Kontaktfeder 64 angeordnet ist. An dem rückwärtigen freien Ende des Schaftteils 60 ist eine Anschlußfahne 66 befestigt. Das Kontaktelement 58 kann einstückig hergestellt sein.According to FIG. 3, the first contact carrier 40 has a rotationally symmetrical formed insulating body 50 having a cylindrical outer peripheral surface 52. An its rear end, the insulating body 50 has a radially over the Peripheral surface 52 projecting annular flange 54. In the peripheral surface 52 are in even circumferentially spaced axially parallel grooves 56 worked out in which in each case a first contact element 58 is inserted. The first contact element 58 has according to Figure 5, a cylindrical shaft portion 60 and an elongated support member 62, the in the groove 56 engages and on which a contact spring 64 is arranged. To the rear free end of the shaft portion 60 is a terminal lug 66 is attached. The Contact element 58 may be made in one piece.

An dem vorderen, in Figur 3 dem Betrachter zugewandten Ende hat der Isolierkörper 50 eine zylindrische topfförmige Aussparung 68, in der weitere Kontaktelemente in Form von Steckkontaktstiften 70 kreisförmig angeordnet sind. In der Mitte dieser Aussparung befindet sich ein Kontaktstift 72. Die Kontaktstifte 70 und 72 sind jeweils von einer zylindrischen Abschirmfläche 74 bzw. 76 umgeben, wobei die Abschirmflächen 74 und 76 durch radiale Rippen 78 miteinander verbunden sind, die ebenso wie die Abschirmflächen 74 und 76 aus Metall bestehen und neben ihrer Abschirmwirkung auch als Zentrierelemente dienen, wie dies noch näher erläutert werden soll. Die Kontaktelemente 70, 72 und die Abschirmungen 74, 76,78 können Teil eines Einsatzes sein, der in die topfförmige Aussparung 68 einsetzbar ist und durch einen Stirnring 80 gehalten wird, der mit Hilfe von Schrauben 82 an dem Isolierkörper 50 befestigt ist. Der Stirnring 80 ist mit konischen Zentrierflächen 83, 84 versehen, welche das Einführen des als Steckerteil ausgebildeten ersten Kontaktträgers 40 in den als Buchsenteil ausgebildeten zweiten Kontaktträger 44 erleichtern.At the front, in Figure 3 the viewer facing the end of the insulator 50 a cylindrical cup-shaped recess 68, in the other contact elements in Form of plug contact pins 70 are arranged in a circle. In the middle of this Recess is a contact pin 72. The contact pins 70 and 72 are respectively surrounded by a cylindrical shielding surface 74 and 76, wherein the Shielding surfaces 74 and 76 are interconnected by radial ribs 78, the as well as the shielding surfaces 74 and 76 are made of metal and next to her Shielding also serve as centering, as explained in more detail shall be. The contact elements 70, 72 and the shields 74, 76,78 can Be part of an insert that can be used in the cup-shaped recess 68 and is held by a front ring 80 which by means of screws 82 on the Insulator 50 is attached. The end ring 80 is provided with conical centering surfaces 83, 84 provided, which the insertion of the plug part designed as the first Contact carrier 40 in the second contact carrier 44 designed as a socket part facilitate.

Der Kontaktträger 40 ist an seinem rückwärtigen Ende mit einer zylindrischen Kontaktträgerdose 86 verbunden, die durch einen Dosenboden 88 verschlossen ist und die Schaftteile der Kontaktelemente 58 mit den Anschlußfahnen 66 aufnimmt. Der Kontaktträger 40 ist dabei über Bolzen 89 direkt mit dem Dosenboden 88 verbunden. Die Bolzen 89 durchsetzen den Isolierkörper 50 in nicht dargestellter Weise bis zu der unter dem Stirnring 80 liegenden Endfläche des Isolierkörpers 50, so daß die Verbindung zwischen dem ersten Kontaktträger 40 und dem Dosenboden 88 von vorne gelöst werden kann. Der Mantel der Kontaktträgerdose 86 ist mit dem Boden 88 durch ebenfalls von vorne zugängliche nicht dargestellte Schrauben verbunden und kann daher nach vorne abgezogen werden. Dies erleichtert den Zugang zu den Anschlußfahnen 66 der Kontaktelemente 58.The contact carrier 40 is at its rear end with a cylindrical Contact carrier can 86 connected, which is closed by a can bottom 88 and receives the shaft portions of the contact elements 58 with the terminal lugs 66. The contact carrier 40 is via bolt 89 directly to the can bottom 88th connected. The bolts 89 pass through the insulating body 50 in a manner not shown up to the lying under the end ring 80 end face of the insulating body 50, so that the Connection between the first contact carrier 40 and the bottom of the can 88 from the front can be solved. The jacket of the contact carrier box 86 is connected to the bottom 88 through also connected from the front accessible not shown screws and can therefore be deducted forward. This facilitates access to the Terminal lugs 66 of the contact elements 58th

Die Kolbenstange 38 ist mit dem Dosenboden 88 starr verbunden. Die Kolbenstange 38 ist als Rohr ausgebildet mit einem zentralen Kanal 90, durch den ein nicht dargestelltes Kabel hindurchgeführt werden kann, das die mit den Anschlußfahnen 66 zu verbindenden Kabeladern umfaßt. Die Kolbenstange 38 ist ferner fest mit einem Kolben 92 verbunden, der in dem Zylinder 36 verschiebbar geführt ist. Der Zylinder 36 ist als doppelt wirkender Zylinder ausgebildet, der mit schematisch angedeuteten Pneumatikleitungen 94 verbindbar ist, um den Kolben 92 und damit den Kontaktträger 40 in Richtung des Doppelpfeiles B hin- und herzuschieben. Das äußere Ende der Kolbenstange 38 kann durch einen nicht dargestellten Balg geschützt werden. Wie man erkennt, liegen die bewegten Teile der Stellvorrichtung innerhalb des Kontaktträgergehäuses 14 und des starr mit diesem verbundenen Zylinders 36 und sind daher gegen Einflüsse von außen geschützt. Dadurch ergibt sich ein sehr kompakter und robuster Aufbau der Kupplung.The piston rod 38 is rigidly connected to the bottom of the can 88. The piston rod 38 is formed as a tube with a central channel 90 through which a not shown cable can be passed, which with the terminal lugs 66 to be connected cable cores comprises. The piston rod 38 is also fixed with a piston 92 which is slidably guided in the cylinder 36. Of the Cylinder 36 is designed as a double-acting cylinder, with the schematic indicated pneumatic lines 94 is connectable to the piston 92 and thus the contact carrier 40 in the direction of the double arrow B back and forth. The outer end of the piston rod 38 can by a bellows, not shown to be protected. As you can see, are the moving parts of the actuator within the contact carrier housing 14 and the rigidly connected thereto Cylinder 36 and are therefore protected against external influences. This results a very compact and robust construction of the clutch.

Die Kontaktträgerdose 86 hat an ihrer Außenumfangsfläche einen Gleitring 96, mit dem sie an der Innenfläche der Gehäusewand 16 gleitend geführt ist.The contact carrier box 86 has on its outer peripheral surface a sliding ring 96, with to which it is slidably guided on the inner surface of the housing wall 16.

Der in Figur 4 dargestellte zweite Kontaktträger 44 ist als Buchsenteil ausgebildet mit einem Isolierkörper 98, der eine topfförmige Aussparung 100 hat. An der zylindrischen Innenumfangswand 102 der Aussparung 100 sind mit gleichförmigen Umfangsabständen zweite Kontaktelemente 104 angeordnet, die feststehende Kontaktbahnen 106 haben. Die Kontaktelemente 104 sind in Figur 6 dargestellt. Die feststehenden Kontaktbahnen 106 sind mit einem zylindrischen Schaftteil 108 verbunden, an dessen freiem Ende sich jeweils eine Anschlußfahne 110 befindet. Die Kontaktelemente 104 sind in nicht dargestellte Aussparungen in dem Isolierkörper 98 eingesetzt.The illustrated in Figure 4 second contact carrier 44 is formed as a socket part with an insulating body 98, which has a cup-shaped recess 100. At the cylindrical inner peripheral wall 102 of the recess 100 are uniform Circumferentially spaced second contact elements 104, the fixed Contact tracks 106 have. The contact elements 104 are shown in FIG. The fixed contact paths 106 are provided with a cylindrical shaft portion 108 connected, at its free end in each case a terminal lug 110 is located. The contact elements 104 are not shown in recesses in the Insulator 98 used.

Der Isolierkörper 98 besteht aus einem Ring 112, der auf seiner rückwärtigen Seite durch einen Boden 114 verschlossen ist. Auf der dem Ring 112 zugewandten Seite trägt der Boden 114 einen zylindrischen Sockel 116, in dem Steckerbuchsen 118, 120 komplementär zu den Kontaktstiften 70 und 72 des ersten Kontaktträgers 40 angeordnet sind. Der Sockel 116 ist durch radial verlaufende Schlitze 122 und einen zylindrischen Ringschlitz 124 unterteilt. Die Schlitze 122 und 124 dienen zur Aufnahme der Rippen 78 bzw. der Abschirmung 76, wenn der erste Kontaktträger 40 in den zweiten Kontaktträger 44 eingesteckt wird. Die Kontaktbuchsen 118 haben trichterförmig erweiterte Einweisungsflächen 126, welche das Einführen der Kontaktstifte 70 in die Kontaktbuchsen 118 erleichtern.The insulating body 98 consists of a ring 112, on its rear side is closed by a bottom 114. On the side facing the ring 112 the bottom 114 carries a cylindrical base 116 in which sockets 118, 120 complementary to the contact pins 70 and 72 of the first contact carrier 40th are arranged. The base 116 is formed by radially extending slots 122 and a divided cylindrical slot 124. The slots 122 and 124 serve for Receiving the ribs 78 and the shield 76, when the first contact carrier 40th is inserted into the second contact carrier 44. The contact sockets 118 have funnel-shaped extension surfaces 126, which facilitate insertion of the To facilitate contact pins 70 in the contact bushes 118.

Der Kontaktträger 44 ist in dem Kontaktträgergehäuse 42 auf achsparallel gerichteten Stiften 128 mit radialem Spiel axial verschiebbar gelagert und durch Federn 130 in Richtung des Pfeiles C vorgespannt. In der Figur 2 ist nur ein Stift 128 und eine Feder 130 dargestellt. Die Stifte 128 haben in dem Isolierkörper 98 des zweiten Kontaktträgers 44 ein radiales Spiel, so daß der zweite Kontaktträger 44 radiale Toleranzen ausgleichen kann.The contact carrier 44 is in the contact carrier housing 42 parallel to the axis directed pins 128 mounted axially displaceable with radial play and through Springs 130 biased in the direction of arrow C. In FIG. 2, only one pin 128 is shown and a spring 130 is shown. The pins 128 have in the insulating body 98 of the second contact carrier 44 a radial clearance, so that the second contact carrier 44th can compensate radial tolerances.

Der Ring 112 des Isolierkörpers 98 hat an seinem freien Rand eine konische Fläche 132, die zur Anlage an einer komplementären Konusfläche 134 des Kontaktträgergehäuses 42 bestimmt ist, wie dies in Figur 2 dargestellt ist. Durch diese Konusflächen 132 und 134 wird der zweite Kontaktträger 44 automatisch zentriert, wenn er durch die Federn 130 gegen die Anlagefläche 134 gedrückt wird.The ring 112 of the insulating body 98 has a conical surface at its free edge 132, which for abutment against a complementary conical surface 134 of the Contact carrier housing 42 is determined, as shown in Figure 2. By these cone surfaces 132 and 134, the second contact carrier 44 automatically centered when it is pressed by the springs 130 against the abutment surface 134.

Der rückwärtige Flansch 20 des zweiten Kontaktträgergehäuses 42 hat eine Öffnung 136, durch die ein Kabel mit den an die Kontaktelemente 104, 118 und 120 anschließbaren Kabeladern in das Gehäuseinnere eingeführt werden kann. The rear flange 20 of the second contact carrier housing 42 has an opening 136, through which a cable with the to the contact elements 104, 118 and 120th connectable cable cores can be inserted into the housing interior.

Die Kupplungsteile 10 und 12 sind an den nicht dargestellten Kupplungsköpfen der mechanischen Kupplung so befestigt, daß sie in Kupplungsrichtung geringfügig über den jeweiligen Kupplungskopf vorstehen. Wenn die Kupplungsköpfe in Kupplungsrichtung zusammengefahren werden, ist dadurch sichergestellt, daß die Stoßplatten der Kupplungsteile 10 und 12 aneinander zur Anlage kommen, wobei die Zentrierelemente 46 und 48 an den Gehäuseflanschen 18 in Eingriff miteinander treten, so daß die Kontaktträgergehäuse 14 und 42 co-axial zueinander ausgerichtet sind. Es kann ein nicht dargestellter Sensor vorhanden sein, der meldet, wenn die Stoßplatten aneinander anliegen und die Zentriermittel 46, 48 in Eingriff miteinander sind. Abhängig von dem Sensorsignal werden dann die Verschlußschieber 32 an den beiden Kontatkträgergehäusen 14 und 42 geöffnet. Anschließend wird mit Hilfe des Pneumatikzylinders 36 der erste Kontaktträger 40 in der Figur 2 nach rechts aus dem ersten Kontaktträgergehäuse 14 heraus und in den zweiten Kontaktträger 44 hineungeschoben. Die beiden Kontaktträger 40, 44 werden durch die verschiedenen erwähnten Zentrierflächen relativ zueinander ausgerichtet, so daß die Kontatkstifte 70 und 72 jeweils in die zugehörigen Kontaktbuchsen 118 bzw. 120 eingeführt werden, ohne daß die Gefahr eines Verkantens der Stifte besteht. Gleichzeitig gleiten die Kontaktfedern 64 der ersten Kontaktelemente 58 auf den Kontaktbahnen 106 der zweiten Kontaktelemente 104, wodurch die Kontaktflächen gesäubert werden. Hat der erste Kontaktträger 40 seine Endstellung in dem zweiten Kontaktträger 44 erreicht, so kann dies mit Hilfe eines weiteren nicht dargestellten Sensors, beispielsweise eines Endschalters gemeldet werden. In dieser Stellung liegt eine an der Kontaktdose 86 ausgebildete Ringfläche 138 an einer komplementären Ringfläche 140 des zweiten Kontaktträgergehäuses 42 an. Gleichzeitig dichtet eine an der Kontaktträgerdose 86 angeordnete Ringdichtung 142, beispielsweise ein O-Ring, durch seine Anlage an einer zylindrischen Ringfläche 144 des zweiten Kontaktträgergehäuses 42 den Zugang zu dem Inneren dieses Gehäuses ab.The coupling parts 10 and 12 are connected to the coupling heads, not shown mechanical coupling mounted so that they slightly over in the coupling direction protrude the respective coupling head. When the coupling heads in Coupling be moved together, this ensures that the Shock plates of the coupling parts 10 and 12 come to rest against each other, the Centering elements 46 and 48 on the housing flanges 18 in engagement with each other occur, so that the contact carrier housing 14 and 42 co-axially aligned with each other are. There may be an unillustrated sensor that signals when the Clamp plates abut each other and the centering means 46, 48 in engagement with each other are. Depending on the sensor signal then the shutter slide 32 on opened the two Kontakkträgergehäusen 14 and 42. Subsequently, with help of the pneumatic cylinder 36 of the first contact carrier 40 in the figure 2 to the right the first contact carrier housing 14 out and into the second contact carrier 44th hineungeschoben. The two contact carriers 40, 44 are determined by the various mentioned centering surfaces are aligned relative to each other, so that the Kontatkstifte 70 and 72 are respectively inserted into the associated contact sockets 118 and 120, respectively be without the risk of tilting of the pins. simultaneously the contact springs 64 of the first contact elements 58 slide on the contact tracks 106 of the second contact elements 104, whereby the contact surfaces cleaned become. Has the first contact carrier 40 its end position in the second Contact carrier 44 is reached, this can be done with the help of another, not shown Sensors, for example, a limit switch are reported. In this position is formed on the contact box 86 annular surface 138 at one complementary annular surface 140 of the second contact carrier housing 42 at. At the same time seals a arranged on the contact carrier box 86 ring seal 142, for example, an O-ring, by its attachment to a cylindrical Ring surface 144 of the second contact carrier housing 42 access to the interior from this case.

In dieser Stellung wird der erste Kontaktträger 40 an dem zweiten Kontaktträgergehäuse 42 verriegelt. Hierzu ist an dem vorderen Flansch 18 des zweiten Kontaktträgergehäuses 42 mindestens ein in Figur 1 gestrichelt angedeuteter Elektromagnet 146 angeordnet, der einen Verriegelungsstift 148 radial verstellt, so daß dieser in eine in der Wand der Kontaktträgerdose 86 ausgebildete Aussparung 150 eingreifen kann. In Figur 2 ist diese Aussparung 150 um 90° versetzt dargestellt. Anstelle eines Elektromagneten 146 mit einem Stift 148 oder einer ähnlichen formschlüssigen, signalbetätigten Verriegelung kann auch eine elastische formschlüssige, bei Überschreitung eines Schwellwertes öffnende Verriegelung vorgesehen sein, die beispielsweise von einer Kugelraste mit einer federbelasteten Kugel oder einer Irisfeder gebildet ist.In this position, the first contact carrier 40 on the second Contact carrier housing 42 locked. For this purpose, on the front flange 18 of the second contact carrier housing 42 at least one dashed line in Figure 1 indicated electromagnet 146, which has a locking pin 148 radially adjusted, so that this trained in a wall in the contact carrier box 86 Recess 150 can intervene. In Figure 2, this recess 150 is 90 ° shown offset. Instead of an electromagnet 146 with a pin 148 or a similar form-fitting, signal-actuated locking can also be a elastic form-fitting, when exceeding a threshold value opening Lock be provided, for example, from a ball catch with a spring-loaded ball or an iris spring is formed.

Um zu vermeiden, daß bei einem ungewollten Öffnen der mechanischen Kupplung die Elektrokontaktkupplung beschädigt wird, kann die vorstehend beschriebene Verriegelungsvorrichtung so ausgebildet sein, daß bei Überschreiten einer vorgegebenen Zugkraft, welche die beiden Kupplungsteile 10 und 12 auseinanderzieht, die Verriegelung nachgibt. Bei einer elatisch formschlüssigen Verriegelung kann der Schwellwert durch die geeignete Wahl der Federelemente bestimmt werden. Ebenso kann eine formschlüssige Verriegelung so ausgebildet sein, daß sie bei einer vorgegebenen Zugkraft selbsttätig öffnet. Hierzu ist an dem Verriegelungsstift eine Rampenfläche vorzusehen, durch die der Stift zwangsweise in seine Freigabestellung gerückt wird, wenn die axiale Zugkraft einen vorgegebenen Wert überschreitet. Zusätzlich hierzu kann bei der beschriebenen Verriegelung mit einem radial verstellbaren Stift dieser mit einer Sollbruchstelle versehen werden.To avoid that in case of accidental opening of the mechanical coupling the electrical contact coupling is damaged, the above-described Locking device be designed so that when exceeding a predetermined tensile force, which the two coupling parts 10 and 12th pulls apart, the lock gives way. In an elatisch positive Locking can the threshold by the appropriate choice of spring elements be determined. Likewise, a positive locking can be formed be that it opens automatically at a given tensile force. This is on the Locking pin to provide a ramp surface through which the pin forcibly is moved into its release position when the axial tensile force a predetermined Value exceeds. In addition to this, in the described lock with a radially adjustable pin to be provided with a predetermined breaking point.

Die vorstehend beschriebene Elektrokontaktkupplung besteht aus einfach herzustellenden und zu montierenden Teilen. Die Kontaktträgergehäuse, welche die Kontaktelemente vollständig einschließen, können zuverlässig gegen das Eindringen von Schmutz und Feuchtigkeit gesichert werden, da sie nur dann öffnen, wenn die Stoßplatten 28 der beiden Kupplungsteile 10 und 12 aneinander anliegen und somit praktisch kein Schmutz und keine Feuchtigkeit in den Innenraum der Kontaktträgergehäuse eindringen können. Mit den Schleifkontakten wird eine zuverlässige Kontaktgabe gewährleistet. Da die Kontaktträger selbst ineinander eingreifen, werden die Kontaktelemente bei der Kontaktgabe nicht belastet. Sie können sich selbsttätig reinigen. Die großflächige Zentrierung der ineinandergreifenden Kontaktträger gewährleistet, daß auch die Kontaktstifte in dem ersten Kontaktträger ohne radiale Belastung in die zugehörigen Kontaktbuchsen an dem zweiten Kontaktträger treten können. Die axiale Auslenkbarkeit des zweiten Kontaktträgers und sein radiales Spiel erlauben einen Ausgleich von axialen und radialen Relativbewegungen der Kontaktträgergehäuse. Die in gewissem Umfang federnde Befestigung der Kupplungsteile 10 und 12 an den zugehörigen Kupplungsköpfen der mechanischen Kupplung erlaubt einen Ausgleich der Bewegungen der mechanischen Kupplung. Eine Verfahrbarkeit der Kontaktträgergehäuse an den Kupplungsköpfen der mechanischen Kupplung ist nicht erforderlich. Die vorstehend beschriebene Elektrokontaktkupplung ist nicht nur einfach zu montieren, sondern auch einfach zu warten.The electrical contact coupling described above consists of simple to be produced and assembled parts. The contact carrier housing, which the Completely enclosing contact elements can reliably prevent penetration be protected from dirt and moisture, as they only open when the Clamp plates 28 of the two coupling parts 10 and 12 abut each other and thus virtually no dirt and moisture in the interior of the Contact carrier housing can penetrate. With the sliding contacts is a ensures reliable contact. As the contact carriers themselves into each other engage, the contact elements are not charged in the contact. she can clean themselves automatically. The large-scale centering of the Ensures interlocking contact carrier, that the contact pins in the first contact carrier without radial load in the associated contact sockets can occur the second contact carrier. The axial deflectability of the second Kontaktträgers and its radial play allow a balance of axial and radial relative movements of the contact carrier housing. That to some extent resilient attachment of the coupling parts 10 and 12 to the associated Coupling heads of the mechanical coupling allows compensation of Movements of the mechanical clutch. A mobility of the Contact carrier housing on the coupling heads of the mechanical coupling is not mandatory. The above-described electrical contact coupling is not only easy to assemble, but also easy to maintain.

Claims (34)

  1. Electrical contact coupling comprising a first contact carrier housing (14) which receives a first contact carrier (40) for first contact elements (58) and a second contact carrier housing (42) which receives a second contact carrier (44) for second contact elements (104) wherein the first and the second contact elements (58, 104) come into electrical contact with each other during coupling, the first and the second contact carriers (40, 44) are formed rotationally symmetrically in relation to the coupling axis of the electrical contact coupling, the first contact carrier (40) is formed as a connector portion with a cylindrical outer circumferential area (52), on which first sliding contact elements (58) forming the first contact elements are arranged and the second contact carrier (44) is formed as a bushing portion which is intended to receive the connector portion and has a cylindrical inner circumferential area (102), on which second sliding contact elements (104) forming the second contact elements are arranged, characterised in that the first contact carrier (40) is connected on its side facing away from the second contact carrier (44) to a contact carrier socket member (86) receiving the connecting ends (66) of the first contact elements (58), the bottom (88) of said contact carrier socket member (86) being connected to a piston rod (38) of a pneumatic adjusting device (36) which has a cable channel (90) passing through axially and going into the contact carrier socket member (86).
  2. Electrical contact coupling according to claim 1, characterised in that it is formed for automatic activation.
  3. Electrical contact coupling according to claim 2, characterised in that the contact carrier housing (14, 42) is intended to be fixed to the coupling heads of an automatic mechanical coupling for vehicles, in particular rail vehicles.
  4. Electrical contact coupling according to one of the claims 1 to 3, characterised in that one of the first and second sliding contact elements have fixed contact areas (106) and that the other sliding contact elements (58) have contact springs (64) for arrangement on the fixed contact areas.
  5. Electrical contact coupling according to one of the claims 1 to 4, characterised in that the first contact carrier (40) can be axially displaced by means of the adjusting device (36).
  6. Electrical contact coupling according to claim 5, characterised in that the first contact carrier (40) is connected to the piston rod (38) of a pneumatic cylinder (36) with dual effect.
  7. Electrical contact coupling according to claim 5 or 6, characterised in that the other contact carrier (44) is mounted in an axially resilient way and pre-tensioned in the coupling direction.
  8. Electrical contact coupling according to one of the claims 1 to 7, characterised in that the contact carriers (40, 44) are mounted in a rotationally secure way in their respective contact carrier housings (14 or 42).
  9. Electrical contact coupling according to one of the claims 1 to 8, characterised in that the first contact carrier (40) has on its side facing the second contact carrier(44) a pot-type cylindrical recess (68), in which connector contact elements (70, 72) are arranged which are intended to work in association with counter connector contact elements (118, 120) on the second contact carrier (44).
  10. Electrical contact coupling according to claim 9, characterised in that the connector contact elements are formed by contact pins (70, 72) and the counter connector contact elements by plug sockets (118, 120).
  11. Electrical contact coupling according to one of the claims 1 to 10, characterised in that centring areas (82, 84, 78, 76, 122, 124) intended to work in association with each other are formed on the connector portion and on the bushing portion.
  12. Electrical contact coupling according to one of the claims 9 to 11, characterised in that centring elements (76, 78) are arranged in the recess (68) of the first contact carrier (40).
  13. Electrical contact coupling according to claim 12, characterised in that the centring elements are formed by ribs (78) made from an electrically conductive material, said ribs (78) extending between the connector contact elements (70) and engaging during coupling in complementary recesses (122) in the second contact carrier (44).
  14. Electrical contact coupling according to one of the claims 9 to 13, characterised in that the connector contact elements (70, 72) are surrounded individually or in groups by an electrical shielding (74, 76, 78).
  15. Electrical contact coupling according to one of the claims 1 to 14, characterised in that a stop surface (138, 142) intended to be arranged on the second contact carrier housing (42) is formed on the first contact carrier. (40) or the contact carrier socket member (86).
  16. Electrical contact coupling according to one of the claims 1 to 15, characterised in that the second contact carrier (44) is arranged in an axially displaceable way and with radial clearance in the second contact carrier housing (42), has on its outer edge facing the first contact carrier (40) a conical centring area (132) which is intended to be arranged on a complementary conical stop area (134) of the second contact carrier housing (42) and is pre-tensioned through resilient means in the direction of the stop area (134).
  17. Electrical contact coupling according to one of the claims 1 to 16, characterised in that the contact carrier housing (14, 42) is provided with mechanical centring means (46, 48) which engage with each other during the coupling process.
  18. Electrical contact coupling according to claim 17, characterised in that a signal emitter is assigned to the centring means (46, 48) which signal emitter responds corresponds to the reciprocal engagement of the centring means (46, 48).
  19. Electrical contact coupling according to one of the claims 1 to 18, characterised in that at least one of the contact carrier housings (14, 42) can be fixed to the respective coupling head by means of elastic fixing elements (24, 26).
  20. Electrical contact coupling according to claim 19, characterised in that the fixing elements (24, 26) are arranged in such a way that the contact carrier housings (14, 42) project slightly in the coupling direction over the respective coupling head of the mechanical coupling.
  21. Electrical contact coupling according to one of the claims 1 to 20, characterised in that the coupling openings (34) of the contact carrier housings (14, 42) can be closed by a controllable closure (32).
  22. Electrical contact coupling according to claim 21, characterised in that the closure has a closing plate (32) which can be displaced transverse to the coupling axis.
  23. Electrical contact coupling according to claim 21 or 22, characterised in that the closure can be controlled depending upon the coupling process.
  24. Electrical contact coupling according to one of the claims 1 to 23, characterised in that the contact carriers (40, 44) can be bolted to each other in the coupled state.
  25. Electrical contact coupling according to one of the claims 1 to 23, characterised in that the first contact carrier (40) can be bolted to the second contact carrier housing (42).
  26. Electrical contact coupling according to claim 24 or 25, characterised in that at least one radially displaceable bolting element (148) is arranged on one of the parts to be bolted to each other, said bolting element (148) being intended to engage in a recess (150) assigned thereto on the respective part.
  27. Electrical contact coupling according to claim 26, characterised in that the bolting element is a pin (148) which can be displaced by means of an electromagnet (146).
  28. Electrical contact coupling according to claim 24 or 25, characterised in that the bolting takes place by means of at least one latching element.
  29. Electrical contact coupling according to one of the claims 26 or 28, characterised in that the bolting or latching element (148) is arranged on the second contact carrier housing (42).
  30. Electrical contact coupling according to one of the claims 26 or 28, characterised in that the bolting or latching element is arranged on the bushing portion.
  31. Electrical contact coupling according to one of the claims 26 to 30, characterised in that the bolting or latching element (148) is formed in such a way that it releases the bolt connection when there is a tensile force exceeding a determined threshold on the parts bolted together.
  32. Electrical contact coupling according to one of the claims 1 to 31, characterised in that a sensor is provided which monitors and controls the complete insertion of the connector portion into the bushing portion.
  33. Electrical contact coupling according to one of the claims 5 to 32, characterised in that the moving parts (38, 92) of the adjusting device are arranged at least extensively in the first contact carrier housing or a housing (36) rigidly connected thereto.
  34. Electrical contact coupling according to claims 7 and 21, characterised in that the adjusting device (36) in the coupled state can be switched into a freewheeling position, in which the first contact carrier (40) is freely axially movable in relation to the first contact carrier housing (14).
EP03013973A 2002-07-05 2003-06-20 Electrical contact coupling Expired - Lifetime EP1378416B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10230379 2002-07-05
DE10230379A DE10230379A1 (en) 2002-07-05 2002-07-05 Electrical contact coupling

Publications (2)

Publication Number Publication Date
EP1378416A1 EP1378416A1 (en) 2004-01-07
EP1378416B1 true EP1378416B1 (en) 2005-11-02

Family

ID=29719485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03013973A Expired - Lifetime EP1378416B1 (en) 2002-07-05 2003-06-20 Electrical contact coupling

Country Status (7)

Country Link
US (1) US6935881B2 (en)
EP (1) EP1378416B1 (en)
CN (1) CN100338826C (en)
AT (1) ATE308442T1 (en)
DE (2) DE10230379A1 (en)
HK (1) HK1064513A1 (en)
PL (1) PL205043B1 (en)

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Also Published As

Publication number Publication date
HK1064513A1 (en) 2005-01-28
US6935881B2 (en) 2005-08-30
PL205043B1 (en) 2010-03-31
CN1482713A (en) 2004-03-17
CN100338826C (en) 2007-09-19
US20040053528A1 (en) 2004-03-18
DE10230379A1 (en) 2004-01-15
EP1378416A1 (en) 2004-01-07
DE50301533D1 (en) 2005-12-08
PL360968A1 (en) 2004-01-12
ATE308442T1 (en) 2005-11-15

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