EP0046967B1 - Disconnectible connection device, especially for the ends of high-tension conductors - Google Patents

Disconnectible connection device, especially for the ends of high-tension conductors Download PDF

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Publication number
EP0046967B1
EP0046967B1 EP81106575A EP81106575A EP0046967B1 EP 0046967 B1 EP0046967 B1 EP 0046967B1 EP 81106575 A EP81106575 A EP 81106575A EP 81106575 A EP81106575 A EP 81106575A EP 0046967 B1 EP0046967 B1 EP 0046967B1
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EP
European Patent Office
Prior art keywords
coupling
plug
pins
contact
high voltage
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
Application number
EP81106575A
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German (de)
French (fr)
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EP0046967A1 (en
Inventor
Manfred Dipl.-Ing. Krüger
Franz Erich Schulte Strathaus
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F E SCHULTE STRATHAUS KG
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F E SCHULTE STRATHAUS KG
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Priority to AT81106575T priority Critical patent/ATE20792T1/en
Publication of EP0046967A1 publication Critical patent/EP0046967A1/en
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Publication of EP0046967B1 publication Critical patent/EP0046967B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4534—Laterally sliding shutter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/621—Bolt, set screw or screw clamp
    • H01R13/6215—Bolt, set screw or screw clamp using one or more bolts

Definitions

  • the invention relates to a device with a plug and a coupling half for the detachable connection of high-voltage and low-voltage line ends and with an element that moves the plug and coupling halves against one another into the coupling or end coupling position and locks them in the coupling position, with high-voltage Connector pins and sleeves, with low-voltage control line ends with control pins and contact sleeves, with a grounding pin with an associated contact sleeve and with such an arrangement that when coupling the high-voltage line ends first and then the low-voltage line ends come into contact.
  • Such a plug / coupling device is known for safety lamps from FR-A-1 040 262 with the difference that the couplings there are not intended for power lines and are also able to connect non-integrated low-voltage control line ends.
  • plug / coupling devices at power line ends up to a voltage of 500 volts are known.
  • the coupling of the latter connections can be carried out in such a way that they are secured by a type of bayonet lock.
  • Such a coupling method is particularly limited when the coupling is still to be used to connect lines of higher voltages. The couplings then become comparatively large and heavy and are therefore difficult to handle.
  • a generic device is shown in DE-B-1 151 038, in which connections for two main contacts and a grounding contact and a screwing device are provided in two coupling halves which can be snapped into one another in a bayonet-like manner, the screwing of which provides an adjusting cam for bringing a monitoring circuit into contact.
  • This screw connection is made so that the locking element of the coupling can only be actuated when this screw connection is opened, i.e. the monitoring circuit is also open.
  • this additional screw connection must be actuated in order to ensure a total coupling of the connected cables.
  • this type of coupling is suitable for higher voltages, the coupling is not sufficient for high-voltage line ends over 500 volts, it is also no longer manipulable, since pivoting of the coupling halves is then not possible or is only possible with difficulty.
  • the object of the invention is therefore to provide a solution with which the handling of such a coupling is simplified and, in particular, a device of the type described at the outset is also made suitable for voltages of over 500 volts, with sufficient security against contact and against incorrect operation being ensured is.
  • this object is achieved according to the invention in that the contact sleeves for all corresponding plug, earthing and control pins are closed with a slide lock before contacting, the slide lock being coupled into a position releasing the contact sleeves when coupling a control surface arranged on one side of the slide lock and an additional control surface arranged in the wall part of the plug half, the slide lock can be moved perpendicular to the axes of the contact sleeves, the geometric dimension of the contact pins being such that after engagement of a threaded bolt of the locking element in one Coupling half with the corresponding threaded sleeve in the other coupling half first the grounding pin, then the three high-voltage connector pins and then the two control pins with the corresponding contact sleeves in the other engaging the coupling half.
  • the invention achieves that the handling of a plug coupling device for high voltages is simplified.
  • a device element, plug or coupling half no longer needs to be moved, which is already difficult with the cable diameters of high-voltage lines anyway. This is made possible in particular by the lateral displacement of the slide lock.
  • Disc-like covers which can be moved by rotating the coupling halves when coupling to one another from a position covering the bushings and a position releasing the bushings for coupling, are known per se, as is evident, for example, from FR-A-1 040 262 already mentioned at the beginning.
  • This type of coupling may be suitable for smaller cable cross sections. This coupling is not suitable for the area of application of interest here.
  • the earthing pin lags when the three phases are released, while the control pins lead ahead, e.g. a drop in the load protection in a control cabinet before the housing connection is broken, i.e. To achieve encapsulation of the coupling.
  • the invention provides that the connector and coupling halves essentially have a rectangular housing, with elements arranged next to one another and lying on top of one another on a common center line, the three high-voltage connector pins on one side of the locking element and the grounding pin and the Control pins are arranged on the other side of this element within the housing.
  • a plug / coupling design can be achieved that the handha Exercise greatly simplified, although or precisely because the contour deviates from a round connector / coupling design.
  • the weight and force distribution can be balanced so that the handling of this coupling / plug unit is relatively simple despite the heavy weight.
  • the invention also relates to a device for coupling electrical heating plates for a device for thermally connecting at least two parts, in particular conveyor belt ends, as described e.g. are protected under DE-C-2 727 300 by the applicant. Since such devices are used in particular underground, the requirements existing for operation underground must be met, which is particularly expediently achieved with a coupling of the type described at the outset.
  • the invention provides that the plug is integrated in the heating plate and the cable outlet is arranged in the region of the high-voltage contact sleeves. This arrangement has proven to be particularly useful in the specific field of application.
  • the device generally designated 1, consists of a connector half 2 and a coupling half 3, in the further description called connector 2 and coupling 3.
  • the housing consists of metal, e.g. B. from (GCuSN 12) as castings.
  • Plug 2 and coupling 3 are each provided with a cable entry 4, the corresponding cable is not shown in detail.
  • Plug 2 and coupling 3 are essentially rectangular, so that the device elements which come into contact with one another and are described in more detail below are arranged in a row on an imaginary common center line.
  • the connector 2 has three high-voltage connector pins 5, 6, 7 for the three high-voltage phases, which are arranged in a linear arrangement with the other elements on one side of a part of a locking element, generally designated 8, in the connector 2.
  • the part of the element 8 in the connector 2 in the example shown is formed by a threaded bolt 9 which is fixed to the housing and which, in the position of use, is overlapped by a threaded sleeve 10 in the coupling 3, which is described in more detail below.
  • an earthing pin 11 and two control pins 12 and 13 are arranged in the same line as the high-voltage pins 5, 6, 7, on the other side of the threaded bolt 9 in the connector 2, an earthing pin 11 and two control pins 12 and 13 are arranged.
  • a sleeve-shaped wall part 14 protrudes outwards beyond the plug pins and control pins approximately as far as the length of the threaded pin or the approximately equally long grounding pin.
  • the grub screw and earthing pin are the longest elements on the outside.
  • the three high-voltage plug pins 5, 6 and 7 are set back from these and the two control pins 12 and 13 are set back again.
  • the corresponding elements are arranged in the coupling 3 in the same linear arrangement as the elements 5, 6, 7, 9, 11, 12, 13 of the plug 2.
  • the three high-voltage pins 5, 6, 7 are opposed to Cu-Zn contact sleeves 15, 16, 17 with slotted bores and sleeve springs, which exert increased contact on the pins 5, 6 and 7 in the coupling position.
  • the threaded sleeve 10 which is rotatably arranged in an electrically conductive manner in a wall area 18 of the coupling housing.
  • the threaded sleeve 10 is equipped with a rotary head 19 suitable for inserting a key or another tool.
  • the insertion openings corresponding to the sleeves are covered in the decoupling position shown in FIG. 1 by a plate-shaped slide lock 23 which is held in a spring-loaded manner in the closed position shown in FIG. 1.
  • the slide lock 23 has on one side a control surface 24 which can be brought into engagement with a control surface 25 on the wall part 14 of the housing of the plug 2.
  • the device assumes the closed end position shown in FIG. 2 in a modified embodiment.
  • the device 1 is shown as a partially integrated component of a heating plate 27 of a device for thermal connection, designated 28 in FIG. 3, in particular of ends of conveyor belts 29.
  • a plug 2 ' is integrated approximately in the middle of the plate, such that the wall part 14' engaging in the coupling with the control surface 25 'displacing the slide lock 23 in the coupling 3 outwards between two plate handle elements 34', which are only indicated are protruding.
  • the contacts and electrically conductive elements are cast in the coupling or plug and / or in the heating plate area with a silicone rubber compound, which is not shown in the figures.
  • the heating plates of cross members 31 and 32 are braced against one another, specifically with the aid of clamping bolts 33, the position of which is indicated in FIG. 2.
  • the alignment of the individual elements is preferably carried out in such a way that the clamping bolt 33 lies in the position of use in front of the rotary head 19 of the locking element 8, so that the connection cannot be released when the device is closed.
  • the described embodiment can still be modified in many ways.
  • the invention is not limited to the rectangular device shape shown, nor to the number and arrangement of the contact pins. Should this be desirable in the case of larger couplings, a plurality of locking elements can also be provided, which can possibly be synchronized in their concentricity.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Seal Device For Vehicle (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Discharge Heating (AREA)
  • Communication Cables (AREA)

Abstract

PCT No. PCT/DE81/00129 Sec. 371 Date Apr. 27, 1982 Sec. 102(e) Date Apr. 27, 1982 PCT Filed Aug. 25, 1981 PCT Pub. No. WO82/00925 PCT Pub. Date Mar. 18, 1982.In a device (1) with a plug portion (2) and a socket portion (3) for the detachable connection particularly of the ends of high-voltage transmission lines and of the ends of low-voltage control lines, and with a mechanism for fixing the connection to prevent unintentional separation, a solution is to be provided through which the manipulation of such a coupling (3) is simplified and, particularly, a device (1) of the above-described type is made suitable also for voltages exceeding 500 volts. This is achieved by constructing the fixing mechanism as a drive element (8) which moves the device portions (2,3) relative to one another into the coupled and uncoupled positions and which locks them in the coupled position. It is also provided that socket (3) is equipped with a slide safety mechanism (23) which closes off the socket contacts in the uncoupled position and is moved by a control surface (25) on the plug (2) after an initial engagement of the two device portions into an open position facilitating the coupling.

Description

Die Erfindung richtet sich auf eine Vorrichtung mit einer Stecker- und einer Kupplungshälfte zur lösbaren Verbindung von Hochspannungs- und Niederspannungsleitungsenden und mit einem die Stecker- und Kupplungshälften gegeneinander in die Kupplungs- bzw. Endkupplungslage bewegenden und diese in der Kupplungslage verriegelnden Element, mit Hochspannungs-Steckerstiften und -hülsen, mit Niederspannungs-Steuerleitungsenden mit Steuerstiften und -Kontakthülsen, mit einem Erdungsstift mit einer zugeordneten Kontakthülse und mit einer derartigen Anordnung, dass beim Einkuppeln zunächst die Hochspannungsleitungsenden und nachfolgend die Niederspannungsleitungsenden in Kontakt kommen.The invention relates to a device with a plug and a coupling half for the detachable connection of high-voltage and low-voltage line ends and with an element that moves the plug and coupling halves against one another into the coupling or end coupling position and locks them in the coupling position, with high-voltage Connector pins and sleeves, with low-voltage control line ends with control pins and contact sleeves, with a grounding pin with an associated contact sleeve and with such an arrangement that when coupling the high-voltage line ends first and then the low-voltage line ends come into contact.

Eine derartige Stecker-/Kupplungsvorrichtung ist für Sicherheitslampen aus der FR-A-1 040 262 mit der Abweichung bekannt, dass die dortigen Kupplungen nicht für Starkstromleitungen vorgesehen sind und auch nicht integrierte Niederspannungs-Steuerleitungsenden zu verbinden in der Lage sind. Andererseits sind Stecker-/Kupplungsvorrichtungen an Starkstromleitungsenden bis zur Spannung von 500 Volt bekannt. Die Kupplung der letztgenannten Verbindungen kann dabei so vorgenommen werden, dass eine Sicherung über eine Art Bajonett-Verschluss erfolgt. Einer derartigen Kupplungsweise sind insbesondere dann Grenzen gesetzt, wenn die Kupplung noch zur Verbindung von Leitungen höherer Spannungen dienen soll. Die Kupplungen werden dann vergleichsweise gross und schwer und sind damit schlecht zu handhaben.Such a plug / coupling device is known for safety lamps from FR-A-1 040 262 with the difference that the couplings there are not intended for power lines and are also able to connect non-integrated low-voltage control line ends. On the other hand, plug / coupling devices at power line ends up to a voltage of 500 volts are known. The coupling of the latter connections can be carried out in such a way that they are secured by a type of bayonet lock. Such a coupling method is particularly limited when the coupling is still to be used to connect lines of higher voltages. The couplings then become comparatively large and heavy and are therefore difficult to handle.

Eine gattungsgemässe Vorrichtung zeigt die DE-B-1 151 038, bei der in zwei etwa bajonettartig ineinander einrastbaren Kupplungshälften Anschlüsse für zwei Hauptkontakte und einen Erdungskontakt sowie eine Schraubeinrichtung vorgesehen ist, bei deren Verschraubung ein Verstellnocken zum Inkontaktbringen eines Überwachungsstromkreises vorgesehen ist. Diese Verschraubung ist so getroffen, dass das Verriegelungselement der Kupplung erst dann betätigt werden kann, wenn diese Verschraubung geöffnet, d.h. der Überwachungsstromkreis ebenfalls geöffnet ist. Zum Kuppeln sind mehrere Schritte notwendig, insbesondere muss nach Inkontaktbringen der Hochspannungsleitungsenden diese zusätzliche Verschraubung betätigt werden, um insgesamt eine Kupplung der angeschlossenen Kabel zu gewährleisten. Diese Art der Kupplung ist zwar für höhere Spannungen geeignet, für Hochspannungsleitungsenden über 500 Volt reicht die Kupplung nicht aus, sie ist im übrigen auch dann nicht mehr manipulierbar, da ein Verschwenken der Kupplungshälften dann nicht oder nur noch schwer möglich ist.A generic device is shown in DE-B-1 151 038, in which connections for two main contacts and a grounding contact and a screwing device are provided in two coupling halves which can be snapped into one another in a bayonet-like manner, the screwing of which provides an adjusting cam for bringing a monitoring circuit into contact. This screw connection is made so that the locking element of the coupling can only be actuated when this screw connection is opened, i.e. the monitoring circuit is also open. Several steps are required for coupling, in particular after the high-voltage line ends have been brought into contact, this additional screw connection must be actuated in order to ensure a total coupling of the connected cables. Although this type of coupling is suitable for higher voltages, the coupling is not sufficient for high-voltage line ends over 500 volts, it is also no longer manipulable, since pivoting of the coupling halves is then not possible or is only possible with difficulty.

Aufgabe der Erfindung ist daher die Schaffung einer Lösung, mit der die Handhabung einer derartigen Kupplung vereinfacht wird und insbesondere eine Vorrichtung der eingangs bezeichneten Art auch für Spannungen von über 500 Volt geeignet gemacht wird, wobei eine ausreichende Sicherheit gegen Berührung, ebenso wie gegen Fehlbetätigung gewährleistet ist.The object of the invention is therefore to provide a solution with which the handling of such a coupling is simplified and, in particular, a device of the type described at the outset is also made suitable for voltages of over 500 volts, with sufficient security against contact and against incorrect operation being ensured is.

Bei einer Vorrichtung der eingangs bezeichneten Art wird diese Aufgabe gemäss der Erfindung dadurch gelöst, dass die Kontakthülsen für alle entsprechenden Stecker-, Erdungs- und Steuerstifte vor dem Kontaktieren mit einer Schiebersicherung verschlossen sind, wobei beim Kuppeln die Schiebersicherung in eine die Kontakthülsen freigebende Lage mittels einer an einer Seite der Schiebersicherung angeordneten Steuerfläche und einer im Wandteil der Steckerhälfte angeordneten zugehörigen weiteren Steuerfläche die Schiebersicherung senkrecht zu den Achsen der Kontakthülsen bewegbar ist, wobei die geometrische Abmessung der Kontaktstifte so getroffen ist, dass nach Ineingriffbringen eines Gewindebolzens des verriegelnden Elementes in der einen Kupplungshälfte mit der entsprechenden Gewindehülse in der anderen Kupplungshälfte zunächst der Erdungsstift, daraufhin die drei Hochspannungs-Steckerstifte und nachfolgend die beiden Steuerstifte mit den jeweils korrespondierenden Kontakthülsen in der anderen Kupplungshälfte in Eingriff gelangen.In a device of the type described in the introduction, this object is achieved according to the invention in that the contact sleeves for all corresponding plug, earthing and control pins are closed with a slide lock before contacting, the slide lock being coupled into a position releasing the contact sleeves when coupling a control surface arranged on one side of the slide lock and an additional control surface arranged in the wall part of the plug half, the slide lock can be moved perpendicular to the axes of the contact sleeves, the geometric dimension of the contact pins being such that after engagement of a threaded bolt of the locking element in one Coupling half with the corresponding threaded sleeve in the other coupling half first the grounding pin, then the three high-voltage connector pins and then the two control pins with the corresponding contact sleeves in the other engaging the coupling half.

Durch die Erfindung wird erreicht, dass die Handhabung einer Stecker-Kupplungsvorrichtung für Hochspannungen vereinfacht wird. Insbesondere braucht beim Kuppeln ein Vorrichtungselement, Stecker oder Kupplungshälfte, nicht mehr bewegt zu werden, was bei den Kabeldurchmessern von Hochspannungsleitungen ohnehin nur noch schwer möglich ist. Dies wird insbesondere durch die seitliche Verschiebung der Schiebersicherung möglich.The invention achieves that the handling of a plug coupling device for high voltages is simplified. In particular, when coupling a device element, plug or coupling half, no longer needs to be moved, which is already difficult with the cable diameters of high-voltage lines anyway. This is made possible in particular by the lateral displacement of the slide lock.

Scheibenartige Abdeckungen, die durch eine Rotation der Kupplungshälften beim Kuppeln zueinander aus einer die Buchsen abdeckende und eine die Buchsen zum Kuppeln freigebende Stellung bewegbar sind, sind an sich bekannt, wie dies beispielsweise aus der eingangs bereits erwähnten FR-A-1 040 262 hervorgeht. Diese Art der Kupplung ist für kleinere Kabelquerschnitte möglicherweise geeignet. Für das hier interessierende Einsatzgebiet ist diese Kupplung nicht brauchbar.Disc-like covers, which can be moved by rotating the coupling halves when coupling to one another from a position covering the bushings and a position releasing the bushings for coupling, are known per se, as is evident, for example, from FR-A-1 040 262 already mentioned at the beginning. This type of coupling may be suitable for smaller cable cross sections. This coupling is not suitable for the area of application of interest here.

Durch die Erfindung wird auch erreicht, dass der Erdungsstift beim Lösen der drei Phasen nacheilt, während die Steuerstifte vorauseilen, um z.B. ein Abfallen des Lastschutzes in einem Steuerschrank vor Aufhebung der gehäusemässigen Verbindung, d.h. Kapselung der Kupplung zu erreichen.It is also achieved by the invention that the earthing pin lags when the three phases are released, while the control pins lead ahead, e.g. a drop in the load protection in a control cabinet before the housing connection is broken, i.e. To achieve encapsulation of the coupling.

In Ausgestaltung sieht die Erfindung vor, dass die Stecker-und Kupplungshälften im wesentlichen ein rechteckiges Gehäuse aufweisen, mit nebeneinander angeordneten, in Aufsicht auf einer gemeinsamen Mittellinie liegenden Elementen, wobei die drei Hochspannungs-Steckerstifte auf einer Seite des verriegelnden Elementes und der Erdungsstift sowie die Steuerstifte auf der anderen Seite dieses Elementes innerhalb der Gehäuse angeordnet sind.In an embodiment, the invention provides that the connector and coupling halves essentially have a rectangular housing, with elements arranged next to one another and lying on top of one another on a common center line, the three high-voltage connector pins on one side of the locking element and the grounding pin and the Control pins are arranged on the other side of this element within the housing.

Mit dieser Gestaltung lässt sich eine Stecker/ Kupplungsausbildung erreichen, die die Handhabung stark vereinfacht, obgleich oder gerade weil die Kontur von einer runden Stecker/Kupplungsgestaltung abweicht. Die Gewichts- und Kräfteverteilung kann dabei so ausgewogen sein, dass die Handhabung dieser Kupplungs/Steckereinheit trotz hohen Gewichtes vergleichsweise einfach ist.With this design, a plug / coupling design can be achieved that the handha Exercise greatly simplified, although or precisely because the contour deviates from a round connector / coupling design. The weight and force distribution can be balanced so that the handling of this coupling / plug unit is relatively simple despite the heavy weight.

Die Erfindung betrifft insbesondere auch eine eingangs bezeichnete Vorrichtung zum Ankuppeln von elektrischen Heizplatten für eine Vorrichtung zum thermischen Verbinden von mindestens zwei Teilen, insbesondere von Fördergurtenden, wie sie z.B. in der DE-C-2 727 300 der Anmelderin unter Schutz gestellt sind. Da derartige Vorrichtungen insbesondere unter Tage eingesetzt werden, müssen die für einen Betrieb unter Tage bestehenden Auflagen erfüllt werden, was mit einer Kupplung der eingangs bezeichneten Art mit einfachen Mitteln besonders zweckmässig erfüllt wird.In particular, the invention also relates to a device for coupling electrical heating plates for a device for thermally connecting at least two parts, in particular conveyor belt ends, as described e.g. are protected under DE-C-2 727 300 by the applicant. Since such devices are used in particular underground, the requirements existing for operation underground must be met, which is particularly expediently achieved with a coupling of the type described at the outset.

Zur Anpassung an dieses spezielle Einsatzgebiet ist nach der Erfindung in Ausgestaltung vorgesehen, dass der Stecker in der Heizplatte integriert und der Kabelausgang im Bereich der Hochspannungskontakthülsen angeordnet ist. Diese Anordnung hat sich bei dem speziellen Einsatzgebiet als besonders zweckmässig erwiesen.In order to adapt to this special area of application, the invention provides that the plug is integrated in the heating plate and the cable outlet is arranged in the region of the high-voltage contact sleeves. This arrangement has proven to be particularly useful in the specific field of application.

Weitere Merkmale, Einzelheiten und Vorteile der Erfindung ergeben sich aufgrund der nachfolgenden Beschreibung sowie anhand der Zeichnung. Diese zeigt in

  • Fig. 1, die Vorrichtung aus Kupplung und Stekker in geöffnetem Zustand,
  • Fig. 2, die Vorrichtung in geschlossenem Zustand mit dem Steckerteil als integriertes Bauteil einer Heizplatte und
  • Fig. 3 eine Ansicht auf einen Teil einer Vorrichtung zum thermischen Verbinden von Fördergurtenden mit in einer Heizplatte angeordnetem Stekker und angedeuteter Kupplung.
Further features, details and advantages of the invention result from the following description and from the drawing. This shows in
  • 1, the device of coupling and plug in the open state,
  • Fig. 2, the device in the closed state with the plug part as an integrated component of a heating plate and
  • Fig. 3 is a view of part of a device for the thermal connection of conveyor belt ends with a plug arranged in a heating plate and indicated coupling.

Die allgemein mit 1 bezeichnete Vorrichtung besteht aus einer Steckerhälfte 2 und einer Kupplungshälfte 3, in der weiteren Beschreibung Stekker2 und Kupplung 3 genannt. Die Gehäuse bestehen im dargestellten Beispiel aus Metall, z. B. aus (GCuSN 12) als Gussteile. Stecker 2 und Kupplung 3 sind mit je einer Kabeleinführung 4 versehen, das entsprechende Kabel ist nicht näher dargestellt. Stecker 2 und Kupplung 3 sind im wesentlichen rechteckig, so dass die weiter unten näher beschriebenen in Kontakt zueinander kommenden Vorrichtungselemente in einer Reihe auf einer gedachten gemeinsamen Mittellinie angeordnet sind.The device, generally designated 1, consists of a connector half 2 and a coupling half 3, in the further description called connector 2 and coupling 3. In the example shown, the housing consists of metal, e.g. B. from (GCuSN 12) as castings. Plug 2 and coupling 3 are each provided with a cable entry 4, the corresponding cable is not shown in detail. Plug 2 and coupling 3 are essentially rectangular, so that the device elements which come into contact with one another and are described in more detail below are arranged in a row on an imaginary common center line.

Der Stecker 2 weist im dargestellten Beispiel drei Hochspannungs-Steckerstifte 5, 6, 7 für die drei Starkstromphasen auf, die bei linearer Anordnung zu den weiteren Elementen auf einer Seite eines Teiles eines allgemein mit 8 bezeichneten verriegelnden Elementes im Stecker 2 angeordnet sind. Das Teil des Elementes 8 im Stecker 2 bei dem dargestellten Beispiel wird von einem gehäusefesten Gewindebolzen 9 gebildet, der in der Gebrauchslage von einer weiter unten näher beschriebenen Gewindehülse 10 in der Kupplung 3 übergriffen wird.In the example shown, the connector 2 has three high-voltage connector pins 5, 6, 7 for the three high-voltage phases, which are arranged in a linear arrangement with the other elements on one side of a part of a locking element, generally designated 8, in the connector 2. The part of the element 8 in the connector 2 in the example shown is formed by a threaded bolt 9 which is fixed to the housing and which, in the position of use, is overlapped by a threaded sleeve 10 in the coupling 3, which is described in more detail below.

In gleicher Linie wie die Hochspannungs-Steckstifte 5, 6, 7 sind auf der anderen Seite des Gewindebolzens 9 im Stecker 2 ein Erdungsstift 11 sowie zwei Steuerstifte 12 und 13 angeordnet. Wie sich aus Fig. 1 ergibt, ragt ein manschettenförmiger Wandteil 14 nach aussen über die Steckstifte und Steuerstifte etwa so weit, wie die Länge des Gewindestiftes bzw. des etwa gleich langen Erdungsstiftes. Gewindestift und Erdungsstift sind die nach aussen längsten Elemente. Diesen gegenüber zurückversetzt sind die drei Hochspannungs-Steckstifte 5, 6 und 7 und diesen wiederum zurückversetzt sind die beiden Steuerstifte 12 und 13.In the same line as the high-voltage pins 5, 6, 7, on the other side of the threaded bolt 9 in the connector 2, an earthing pin 11 and two control pins 12 and 13 are arranged. As can be seen from FIG. 1, a sleeve-shaped wall part 14 protrudes outwards beyond the plug pins and control pins approximately as far as the length of the threaded pin or the approximately equally long grounding pin. The grub screw and earthing pin are the longest elements on the outside. The three high-voltage plug pins 5, 6 and 7 are set back from these and the two control pins 12 and 13 are set back again.

In gleicher linearer Anordnung wie die Elemente 5, 6, 7, 9, 11, 12, 13 des Steckers 2 sind die korrespondierenden Elemente in der Kupplung 3 angeordnet. Den drei Hochspannungs-Steckstiften 5, 6, 7 stehen Cu-Zn-Kontakthülsen 15, 16, 17 mit geschlitzen Bohrungen und Hülsenfedern gegenüber, die in der Kupplungslage einen vermehrten Kontakt auf die Steckstifte 5, 6 und 7 ausüben. Neben den Kontakthülsen 15, 16, 17 befindet sich die Gewindehülse 10, die in einem Wandbereich 18 des Kupplungsgehäuses drehbar und elektrisch leitend angeordnet ist. Zur Drehung ist die Gewindehülse 10 mit einem das Aufstecken eines Schlüssels oder eines anderen Werkzeuges geeigneten Drehkopf 19 ausgerüstet. In weiterer Anordnung liegen neben der Gewindehülse 10 einer gemeinsamen Mittellinie Kontakthülsen 20, 21 und 22 für den Erdungsstift 11 und Steuerstifte 12 und 13.The corresponding elements are arranged in the coupling 3 in the same linear arrangement as the elements 5, 6, 7, 9, 11, 12, 13 of the plug 2. The three high-voltage pins 5, 6, 7 are opposed to Cu-Zn contact sleeves 15, 16, 17 with slotted bores and sleeve springs, which exert increased contact on the pins 5, 6 and 7 in the coupling position. In addition to the contact sleeves 15, 16, 17, there is the threaded sleeve 10, which is rotatably arranged in an electrically conductive manner in a wall area 18 of the coupling housing. For rotation, the threaded sleeve 10 is equipped with a rotary head 19 suitable for inserting a key or another tool. In a further arrangement, there are contact sleeves 20, 21 and 22 for the grounding pin 11 and control pins 12 and 13 in addition to the threaded sleeve 10 of a common center line.

Die den Hülsen entsprechenden Einstecköffnungen sind in der in Fig. 1 dargestellten Entkupplungslage von einer plattenförmigen Schiebersicherung 23 abgedeckt, die federbeaufschlagt in der in Fig. 1 wiedergegebenen Verschlussstellung gehalten wird. Die Schiebersicherung 23 weist an einer Seite eine Steuerfläche 24 auf, die mit einer Steuerfläche 25 an dem Wandteil 14 des Gehäuses des Steckers 2 in Eingriff gebracht werden kann.The insertion openings corresponding to the sleeves are covered in the decoupling position shown in FIG. 1 by a plate-shaped slide lock 23 which is held in a spring-loaded manner in the closed position shown in FIG. 1. The slide lock 23 has on one side a control surface 24 which can be brought into engagement with a control surface 25 on the wall part 14 of the housing of the plug 2.

Die Funktionsweise der Vorrichtung gemäss Fig. 1 ist die folgende: Bei Aufeinanderzuführen der Stecker- 2 und Kupplungshälfte 3 der Vorrichtung 1 kommt zunächst die Schraubhülse 10 mit dem Gewindebolzen 9 bei Anlage der Steckerwand 14 an der Innenfläche 26 des Kupplungsgehäuses 3 in Eingriff. Hierbei ist bereits eine Kapselung von Stecker- und Kupplungshälfte gewährleistet. Wird nun das verriegelnde Element 8 betätigt, d.h. die Gewindehülse 10 gedreht, so werden die Elemente aufeinanderzubewegt, so dass durch Anlage der Steuerflächen 24 und 25 die Schiebersicherung 23 zunächst in die Öffnungsstellung verbracht wird. Durch die elektrische Verbindung ist bereits eine erste Erdung über das Element 8 gegeben. Es folgt dann beim Kupplungsvorgang zunächst das Ineingriffkommen von Erdungsstift 11 mit Kontakthülse 20, nachfolgend das Eingreifen der drei Hochspannungs-Steckstifte 5, 6, 7 in die zugehörige Kontakthülse 15, 16, 17 sowie schliesslich das Inkontaktkommen der Steuerstifte 12 und 13 mit den Kontakthülsen 21 bzw. 22. Nach Beendigung der Kupplungsbewegung nimmt die Vorrichtung die in Fig. 2 bei einer abgewandelten Ausführungsform dargestellte geschlossene Endstellung ein.1 is the following: When the connector 2 and coupling half 3 of the device 1 are brought together, the screw sleeve 10 first comes into engagement with the threaded bolt 9 when the connector wall 14 abuts the inner surface 26 of the coupling housing 3. Encapsulation of the connector and coupling half is already guaranteed. If the locking element 8 is now actuated, ie the threaded sleeve 10 is rotated, the elements are moved towards one another so that the slide lock 23 is first brought into the open position by the control surfaces 24 and 25. The electrical connection already provides a first grounding via element 8. It then follows during the coupling process that the grounding pin 11 comes into contact with the contact sleeve 20, then the three high-voltage plug pins 5, 6, 7 engage in the associated contact sleeve 15, 16, 17 and finally the control pins come into contact 12 and 13 with the contact sleeves 21 and 22. After the coupling movement has ended, the device assumes the closed end position shown in FIG. 2 in a modified embodiment.

In Fig. 2 ist die Vorrichtung 1 als teilweise integriertes Bauteil einer Heizplatte 27 einer in Fig. 3 mit 28 bezeichneten Vorrichtung zum thermischen .Verbinden, insbesondere von Enden von Fördergurten 29, dargestellt.In FIG. 2, the device 1 is shown as a partially integrated component of a heating plate 27 of a device for thermal connection, designated 28 in FIG. 3, in particular of ends of conveyor belts 29.

In der Stirnseite 30 ist ein Stecker 2' etwa in der Plattenmitte integriert, derart, dass das in die Kupplung eingreifende Wandteil 14' mit der die Schiebersicherung 23 in der Kupplung 3 verschiebenden Steuerfläche 25' nach aussen zwischen zwei Plattengriffelementen 34', die nur angedeutet sind, ragt.In the end face 30, a plug 2 'is integrated approximately in the middle of the plate, such that the wall part 14' engaging in the coupling with the control surface 25 'displacing the slide lock 23 in the coupling 3 outwards between two plate handle elements 34', which are only indicated are protruding.

Die Kontakte und elektrisch leitenden Elemente werden in Kupplung oder Stecker und/oder im Heizplattenbereich mit einer Silikonkautschukmasse vergossen, was in den Figuren nicht näher dargestellt ist.The contacts and electrically conductive elements are cast in the coupling or plug and / or in the heating plate area with a silicone rubber compound, which is not shown in the figures.

Wie sich aus Fig. 3 in Verbindung mit Fig. 2 ergibt, werden die Heizplatten von Traversen 31 und 32 gegeneinander verspannt und zwar mit Hilfe von Spannbolzen 33, deren Lage in Fig. 2 angedeutet ist. Die Ausrichtung der einzelnen Elemente erfolgt dabei vorzugsweise derart, dass der Spannbolzen 33 jeweils in der Gebrauchslage vor dem Drehkopf 19 des verriegelnden Elementes 8 liegt, so dass bei geschlossener Vorrichtung ein Lösen der Verbindung nicht möglich ist.As can be seen from FIG. 3 in connection with FIG. 2, the heating plates of cross members 31 and 32 are braced against one another, specifically with the aid of clamping bolts 33, the position of which is indicated in FIG. 2. The alignment of the individual elements is preferably carried out in such a way that the clamping bolt 33 lies in the position of use in front of the rotary head 19 of the locking element 8, so that the connection cannot be released when the device is closed.

Natürlich ist das beschriebene Ausführungsbeispiel noch in vielfacher Hinsicht abzuändern. So ist insbesondere die Erfindung nicht auf die dargestellte rechteckige Vorrichtungsform beschränkt, auch nicht auf die Anzahl und die Anordnung der Kontaktstifte. Sollte bei grösseren Kupplungen dies wünschenswert sein, können auch mehrere verriegelnde Elemente vorgesehen sein, die ggf. in ihrem Rundlauf synchronisiert sein können.Of course, the described embodiment can still be modified in many ways. In particular, the invention is not limited to the rectangular device shape shown, nor to the number and arrangement of the contact pins. Should this be desirable in the case of larger couplings, a plurality of locking elements can also be provided, which can possibly be synchronized in their concentricity.

Claims (4)

1. An apparatus comprising a plug half (2) and a coupling half (3) for releasably connecting ends of high voltage and low voltage lines, and an element (8) for moving the plug and coupling halves (2, 3) towards each other into the coupling or final coupling position and for locking same in the coupling position, with high voltage plug pins (5, 6, 7) and sockets (15, 16, 17), with low voltage control line ends with control pins (12, 13) and contact sockets (21, 22), with an earthing pin (11) with an associated contact socket (20) and with an arrangement such that, in the coupling operation, firstly the ends of the high voltage lines and subsequently the ends of the low voltage lines come into contact, characterised in that the contact sockets (15-17, 20-22) for all corresponding plug, earthing and control pins are closed prior to the contact- making step with a guard slider (23), wherein in the coupling operation the guard slider is movable perpendicularly with respect to the axes of the contact sockets into a position of exposing the contact sockets, by means of a control surface (24) which is arranged at one side of the guard slider (23) and an associated further control surface (25) which is arranged in the wall portion of the plug half, wherein the geometrical dimensioning of the contact pins (5-7, 11-13) is such that after a screwthreaded pin (9) of the locking element (8) in the one coupling half (2) has been brought into engagement with the corresponding screwthreaded sleeve (10) in the other coupling half (3), firstly the earthing pin (11), thereupon the three high voltage plug pins (5, 6, 7) and subsequently the two control pins (12, 13) come into engagement with the respectively corresponding contact sockets (15-17; 20-22) in the other coupling half.
2. Apparatus according to claim 1 characterised in that the plug and coupling halves (2, 3) have substantially a rectangular housing, with juxtaposed elements which are disposed on a common centre line in plan view, wherein the three high voltage plus pins (5-7) are arranged on one side of the locking element (8) and the earthing pin (11) and the control pins (12-13) are arranged on the other side of said element (8), within the housing.
3. Apparatus according to claim 2 for coupling electrical heating plates for thermally connecting at least two parts, in particular conveyor belt ends, to an electrical supply and control line, characterised in that the plug (2') is integrated in the heating plate (27) and the cable outlet (4) is disposed in the region of the high voltage contact sockets (15-17).
4. Apparatus in particular according to claim 3 characterised in that the locking element (8) is arranged at the centre of action of forces of the coupling half (3).
EP81106575A 1980-08-28 1981-08-25 Disconnectible connection device, especially for the ends of high-tension conductors Expired EP0046967B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81106575T ATE20792T1 (en) 1980-08-28 1981-08-25 DEVICE FOR DETACHABLE CONNECTION, ESPECIALLY OF HIGH VOLTAGE LINE END.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3032414 1980-08-28
DE19803032414 DE3032414A1 (en) 1980-08-28 1980-08-28 DEVICE FOR DETACHABLE CONNECTION, IN PARTICULAR OF HIGH VOLTAGE LINE END

Publications (2)

Publication Number Publication Date
EP0046967A1 EP0046967A1 (en) 1982-03-10
EP0046967B1 true EP0046967B1 (en) 1986-07-16

Family

ID=6110580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81106575A Expired EP0046967B1 (en) 1980-08-28 1981-08-25 Disconnectible connection device, especially for the ends of high-tension conductors

Country Status (7)

Country Link
US (1) US4483575A (en)
EP (1) EP0046967B1 (en)
AT (1) ATE20792T1 (en)
DE (2) DE3032414A1 (en)
RO (1) RO88120A (en)
SU (1) SU1144633A3 (en)
WO (1) WO1982000925A1 (en)

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Also Published As

Publication number Publication date
EP0046967A1 (en) 1982-03-10
ATE20792T1 (en) 1986-08-15
RO88120B (en) 1985-10-31
US4483575A (en) 1984-11-20
WO1982000925A1 (en) 1982-03-18
RO88120A (en) 1985-11-30
DE3032414A1 (en) 1982-03-18
SU1144633A3 (en) 1985-03-07
DE3174931D1 (en) 1986-08-21

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