EP0340075B1 - Abzweigklemme zur Verbindung einer isolierten Freileitung mit einer isolierten Abzweigleitung - Google Patents

Abzweigklemme zur Verbindung einer isolierten Freileitung mit einer isolierten Abzweigleitung Download PDF

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Publication number
EP0340075B1
EP0340075B1 EP89401066A EP89401066A EP0340075B1 EP 0340075 B1 EP0340075 B1 EP 0340075B1 EP 89401066 A EP89401066 A EP 89401066A EP 89401066 A EP89401066 A EP 89401066A EP 0340075 B1 EP0340075 B1 EP 0340075B1
Authority
EP
European Patent Office
Prior art keywords
conductor
insulated
shells
overhead line
tap
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
EP89401066A
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English (en)
French (fr)
Other versions
EP0340075A1 (de
Inventor
Michel Delin
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.)
Niled SA
Original Assignee
Niled SA
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Filing date
Publication date
Application filed by Niled SA filed Critical Niled SA
Publication of EP0340075A1 publication Critical patent/EP0340075A1/de
Application granted granted Critical
Publication of EP0340075B1 publication Critical patent/EP0340075B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/44—Clamping areas on both sides of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws

Definitions

  • the present invention relates to a branch terminal for connecting a conductor of an insulated overhead line to an insulated branch conductor.
  • Terminals which comprise two half-shells of insulating material and which are connected together by a clamping screw.
  • Each half-shell has two channels, said channels facing each other and one of these being intended to receive the conductor of the overhead line, while the other is intended to receive the branch conductor.
  • Each half-shell is hollowed out of a housing intended to receive a contact strip which extends from one channel to the other channel and which is provided with teeth projecting in each channel so that, when tightening by the screw of the half-shells, the teeth pass through the insulators of the two conductors and thus provide the electrical connection.
  • Such a terminal is known from document DE-U-8704948.
  • Such branch terminals have a number of drawbacks.
  • the connection thus obtained is not waterproof, which in the long run presents a significant drawback.
  • the installation of the terminal is not very easy, because it is necessary to separate the half-shells from one another, place them on the conductors and assemble them with the screw provided for this purpose.
  • One of the aims of the present invention is, in particular, to remedy these drawbacks and to produce a terminal which offers complete safety from the point of view of sealing and which is much simpler and more practical to use than known terminals.
  • the terminal according to the invention is of the type comprising two half-shells of insulating material connected together by means allowing a certain sliding and a certain pivoting of one relative to the other, each half-shell comprising, at less, two parallel housings intended to each receive a contact rod, said housings being opposite, and each contact rod contact comprising on its face turned opposite the corresponding bar, in the vicinity of one end, teeth intended to perforate the insulation of the overhead line conductor and in the vicinity of the other end of the teeth intended to pass through the insulation of the bypass conductor, and a screw passing through a flared hole in one of the half-shells and screwing into a thread of the other half-shell in order to bring said half-shells together and to enclose the conductors, said terminal being characterized in that an elastic seal is interposed and inserted between the two half-shells, said elastic seal being made in one piece and being shaped to present a duct open laterally to allow the passage of the conductor of the overhead line and a second duct intended for receiving the
  • the elastic seal tends to maintain the terminal in a position which facilitates its positioning on the overhead line conductor, while the bypass conductor is held in the second conduit and when the half-shells are tightened. , the seal seals along the slots through which the teeth of the contact bars pass.
  • the slots of the seal which are crossed by the teeth of the contact bars are bordered externally by beads cooperating with corresponding notches of the half-shells.
  • the seal comprises a flexible and elastic bar supporting a cap.
  • a cap supporting a cap.
  • one of the half-shells has laterally, on two walls opposite, a handle, while the other half-shell has on the corresponding walls of the arches cooperating with said handles.
  • the screw is of the type comprising a head provided with means for taking a key and connected to said screw with a primer of rupture so that at a determined tightening torque the head separates from the screw, between the head and the screw a flat part allowing the grip of a tool being provided and having a dimension greater than that of the head. Thanks to the fact that the flat part has a dimension slightly greater than that of the head, the key used to tighten the screw and cooperating with the head can only slide on said flat part and it is therefore ensured that when the tightening torque will be reached the head will separate from the body of the screw.
  • Figure 1 is an exploded perspective view of a branch terminal according to the invention.
  • Figure 2 is an elevational view of the terminal of Figure 1 mounted.
  • Figure 3 is an elevational view showing the terminal permanently fixed.
  • the terminal shown in the figures is intended to be used to make a branch from a conductor of an isolated overhead line.
  • the terminal comprises a first half-shell 1, a second half-shell 2, an insulating joint 3 and four contact bars 5.
  • the half-shell 1 is made of an electrically insulating material and is formed of a body having, a bottom 11 and four side walls 12, 13, 14 and 15.
  • the bottom 11, in its central part, is pierced with a blind hole 7 provided with a thread 8.
  • Parallel to the walls 13 and 15 extend two partitions 17 which provide two housings 9 with said walls.
  • Each housing 9, in the vicinity of one end has a projection 10.
  • the walls 13 and 15 each have a large notch 19 and a smaller notch 20, corresponding notches being provided in the partitions 17.
  • Each housing 9 is intended to receive a bar 5 the latter being made of a material which is good conductor of electricity and which takes the form of a parallelepiped with, at one end on one face a recess 21 corresponding to the projection 10 and on the face opposite to that provided with said recess 21, at one end three teeth 22, 23 and 24 and at the other end two teeth 25 and 26.
  • the sides 13 and 15 are each integral with a handle 28.
  • the second half-shell is made of insulating material and has a general shape substantially similar to the first half-shell 1. It has four side walls 32, 33, 34 and 35, the walls 33 and 35 each having a large notch 39 corresponding to the notches 19 and a smaller notch 40 corresponding to the notches 20.
  • the half-shell 2 has in its central outer part a rounded domed part 41 pierced with an axial hole 37 which widens from the internal part of said half-shell 2 to the upper end of the domed part 41.
  • the half-shell 2 has internally housings 30 corresponding to the housings 9 and provided in the vicinity of the wall 34 with a projection, not visible in the drawings, and identical to the projections 10.
  • the walls 33 and 35 each have in their central part a hoop 38 slightly projecting and intended to cooperate with the bottom of the handles 28.
  • the axial hole 37 is intended to be crossed by a screw 45 for assembling the shells 1 and 2.
  • the screw 45 has at one end a thread 46 intended to cooperate with the thread 8 of the blind hole 7 and at the other end a flange 47 intended to cooperate with the curved surface 41, the flange being extended by a flat part 48 itself extended by a hexagon 49 with the interposition of a breaking primer 50.
  • the screw 45 is made, for example, of zamak and the thread 46 has a shape which, when combined with the thread 8, prevents the threads of said thread from being bent and sheared.
  • the flat part 48 is produced so that a tightening key mounted on the hexagon 49 cannot at the same time cooperate with said flat part 48.
  • the seal 3 is made of a flexible and elastic material and comprises a conduit 52 pierced by four slots 53 intended to be crossed by the teeth 25 and 26 of the four bars 5, two of which are arranged in the housings 9 and the other two in the housings 30.
  • the conduit 52 is intended to receive an insulated bypass conductor 57 whose free end is intended to project at one end of said conduit and to receive a cap 55 connected to the joint by a flexible and elastic bar 56.
  • the cap 55 is frustoconical so that the free end of the conductor is forced into said cap and so that it is protected.
  • the gasket 3 has in its central part a hole (not visible in the drawings) for the passage of the screw 45 and, a second conduit 58 with a C section having four slots 60 intended to be crossed by the teeth 22, 23 and 24 of the four corresponding bars 5.
  • the conduit 58 is intended to receive a conductor isolated from an overhead line and, thanks to the lateral opening, the lateral terminal can be easily mounted on said conductor 70.
  • the slots 60 are bordered on the outer side by beads 61 which are intended to cooperate with the notches 19 of the half-shell 2 and the notches 39 of the half-shell 1, while the edges 62 adjacent to the lateral opening of the conduit 58 are intended to cooperate with the free edges of the walls 12 and 32.
  • the slots 53 are also bordered by beads 63 intended to cooperate with the notches 20 and 30.
  • the terminal is delivered assembled as shown in FIG. 2 and the seal 3 maintains the half-shells 1 and 2 in a position ready for use, the arches 38 by co-operating with the bottom of the handles 28 constitute, on the one hand , a stopper ensuring the connection between the half-shells and, on the other hand, a joint.
  • the terminal is posed by engaging the conductor 70 in the conduit 58, the bypass conductor 57 being placed in the conduit 52 and its free end protected by the cap 55, then the screw 45 is tightened using a key cooperating with the hexagon 49 until it breaks along the primer 50.
  • the teeth 22, 23 and 24 pass through the insulator of the conductor 70, while the teeth 25 and 26 are inserted into the conductor 57 after passing through the insulator thereof so that the electrical connection between these two conductors is achieved.
  • the beads of the seal 3 are, during tightening, compressed around the slots and thus ensure sealing.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Claims (5)

  1. Abzweigklemme zur Verbindung eines Leiters einer isolierten Freileitung mit einem isolierten Abzweigleiter, der Art, bei der zwei Halbschalen (1 und 2) aus isolierendem Werkstoff vorgesehen sind, die miteinander durch Mittel (28, 38) verbunden sind, die eine gewisse Verschiebebewegung und eine gewisse Schwenkbewegung der einen relativ zur anderen ermöglichen, wobei jede Halbschale zumindest zwei parallele Kammern (9, 30) aufweist, die jede zur Aufnahme eines Kontaktstabes (5) bestimmt sind, die genannten Kammern einander gegenüberliegen und jeder Kontaktstab (5) an seiner dem entsprechenden Kontaktstab zugekehrten Seite in der Nähe seines einen Endes Zähne (22, 23, 24) aufweist, die zum Durchdringen der Isolation des Leiters der Freileitung bestimmt sind, und in der Nähe des anderen Endes Zähne (25, 26) aufweist, die zum Durchdringen der Isolation des Abzweigleiters bestimmt sind, und eine Schraube sich durch eine erweiterte Öffnung (37) in der einen Halbschale hindurch erstreckt und in ein Innengewinde (8) der anderen Halbschale (1) eingreift, um die genannten Halbschalen (1 und 2) einander anzunähern und die Leitungen festzuklemmen, dadurch gekennzeichnet, daß eine elastische Packung (3) zwischen die zwei Halbschalen (1 und 2) eingesetzt ist, die genannte elastische Packung (3) aus einem einzigen Stück gefertigt und so geformt ist, daß sie einen seitlich offenen Kanal (58), der den Durchtritt des Leiters der Freileitung ermöglicht, und einen zweiten Kanal (52) bildet, der zur Aufnahme des Abzweigleiters (57) bestimmt ist, wobei jeder Kanal Durchbrüche (53, 60) aufweist, die den Durchtritt der Zähne (22, 23, 24, 25 und 26) der Kontaktstäbe (5) ermöglichen.
  2. Abzweigklemme zur Verbindung des Leiters einer isolierten Freileitung mit einem isolierten Abzweigleiter nach Anspruch 1, dadurch gekennzeichnet, daß die Durchbrüche (53, 60) der Packung (3), welche von den Zähnen der Kontaktstäbe durchgriffen werden, an der Außenseite von Wülsten eingefaßt sind, die mit entsprechenden Aussparungen (19, 20, 39, 30) der Halbschalen (1, 2) zusammenwirken.
  3. Abzweigklemme zur Verbindung eines Leiters einer isolierten Freileitung mit einem isolierten Abzweigleiter nach Anspruch 1, dadurch gekennzeichnet, daß die Packung (3) einen nachgiebigen und elastischen Stab (56) aufweist, der eine Schutzkappe (55) trägt.
  4. Abzweigklemme zur Verbindung des Leiters einer isolierten Freileitung mit einem isolierten Abzweigleiter nach Anspruch 1, dadurch gekennzeichnet, daß eine der Halbschalen (1) seitlich an zwei gegenüberliegenden Wänden einen Bügel (28) aufweist und daß die andere Halbschale (2) an den entsprechenden Wänden Bogenteile (38) aufweist, die mit den genannten Bügeln (28) zusammenwirken.
  5. Abzweigklemme zur Verbindung eines Leiters einer isolierten Freileitung mit einem isolierten Abzweigleiter nach Anspruch 1 und von der Art, bei der die Schraube (45) einen Kopf besitzt, der mit Mitteln zum Ansetzen eines Schlüssels versehen und mit der genannten Schraube (45) über eine Sollbruchstelle (50) verbunden ist, dergestalt, daß sich bei einem vorbestimmten Spann-Drehmoment der Kopf (49) von der Schraube (45) trennt, und bei der der an den Kopf angrenzende Teil der Schraube (45) Mittel für das Ansetzen eines Werkzeuges aufweist, dadurch gekennzeichnet, daß die genannten Mittel zum Ansetzen eines Werkzeugs durch einen abgeflachten Teil (48) gebildet sind, der eine größere Abmessung als der Kopf (49) aufweist.
EP89401066A 1988-04-27 1989-04-18 Abzweigklemme zur Verbindung einer isolierten Freileitung mit einer isolierten Abzweigleitung Expired - Lifetime EP0340075B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8805615 1988-04-27
FR8805615A FR2630865B1 (fr) 1988-04-27 1988-04-27 Borne de derivation pour le raccordement d'un conducteur d'une ligne aerienne isolee a un conducteur de derivation isole

Publications (2)

Publication Number Publication Date
EP0340075A1 EP0340075A1 (de) 1989-11-02
EP0340075B1 true EP0340075B1 (de) 1993-04-07

Family

ID=9365745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89401066A Expired - Lifetime EP0340075B1 (de) 1988-04-27 1989-04-18 Abzweigklemme zur Verbindung einer isolierten Freileitung mit einer isolierten Abzweigleitung

Country Status (6)

Country Link
US (1) US5015198A (de)
EP (1) EP0340075B1 (de)
AU (1) AU3230189A (de)
ES (1) ES2039890T3 (de)
FR (1) FR2630865B1 (de)
GR (1) GR3007576T3 (de)

Families Citing this family (30)

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FR2676313B1 (fr) * 1991-05-10 1993-08-20 Sicame Sa Boite de derivation a rapporter sur un cable passant, notamment pour reseau souterrain.
GB9208603D0 (en) * 1992-04-21 1992-06-03 Sicame Electrical Dev Ltd Improvements relating to electrical connectors
GB9308515D0 (en) * 1993-04-15 1993-06-09 Sicame Electrical Dev Ltd Improvements relating to underground cable connectors
DE59407677D1 (de) * 1993-06-29 1999-03-04 Krone Ag Anschlussmodul
FR2744289B1 (fr) * 1996-01-29 1998-04-30 App Mat Elect Const Connecteur de derivation pour cable souterrain
WO1998033235A1 (de) * 1997-01-22 1998-07-30 Siemens Aktiengesellschaft Anschlussvorrichtung für mindestens eine nicht abisolierte leitung
FR2762449B1 (fr) * 1997-04-22 1999-06-25 App Mat Elect Const Connecteur electrique auquel il est associe une cale d'epaisseur, et cale d'epaisseur correspondante
FR2780556B1 (fr) * 1998-06-24 2000-09-15 App Mat Elect Const Accessoire de branchement pour cable derive a raccorder a un cable principal, et connecteur de derivation equipe d'un tel accessoire de branchement
US6106323A (en) * 1998-07-02 2000-08-22 The Whitaker Corporation End cap for insulation piercing connectors
EP0969552B1 (de) * 1998-07-02 2002-10-30 The Whitaker Corporation Endkappe für isolierungsdurchdringenden Verbinder
FR2790873B1 (fr) * 1999-03-08 2001-04-20 Michaud Sa Connecteur pour cables electriques a perforation d'isolant
FR2794901B1 (fr) * 1999-06-03 2001-07-20 Framatome Connectors Int Connecteur de derivation compact d'au moins un cable de derivation sur un cable principal
FR2800922B1 (fr) * 1999-11-10 2003-11-07 D App Et De Materiel Electr S Connecteur de derivation a perforation d'isolant et bouchon d'extremite pour le cable derive
FR2802712B1 (fr) * 1999-12-16 2002-02-08 Fci Electr France Dispositif de connexion electrique d'au moins un cable de derivation sur un cable principal
FI106994B (fi) * 2000-03-31 2001-05-15 Ensto Sekko Oy Ilmajohdon liitin
JP2002134185A (ja) * 2000-10-27 2002-05-10 Fci Japan Kk コネクタ
US7090544B2 (en) * 2004-08-05 2006-08-15 3M Innovative Properties Company Modular electrical connector and method of using
US7104832B2 (en) * 2004-08-05 2006-09-12 3M Innovative Properties Company Modular electrical connector and method of using
US7862390B2 (en) * 2007-05-16 2011-01-04 Tyco Electronics Corporation Power utility connector with a plurality of conductor receiving channels
US8025521B2 (en) * 2008-07-01 2011-09-27 Hubbell Incorporated Electrical connector
US9793619B2 (en) * 2012-05-10 2017-10-17 George Stier Electrical couplers and methods of using them
US9500684B1 (en) * 2013-08-19 2016-11-22 Sensorlink Corporation Line-mounted electrical energy measurement device with integrated voltage pickup and clamp
EP2882040A1 (de) * 2013-12-06 2015-06-10 Tyco Electronics Simel S.A.S. Isolierungsdurchdringender Verbinder
US9287673B2 (en) 2013-12-06 2016-03-15 Tyco Electronics Corporation Insulation piercing connectors and methods and connections including same
US9742350B2 (en) * 2014-03-28 2017-08-22 Sunrun South Llc Solar panel grounding lug assemblies and systems
US10570937B2 (en) 2017-01-10 2020-02-25 Sensorlink Corporation Clamp sensor systems and methods
US10727613B2 (en) 2017-11-13 2020-07-28 Panduit Corp. Insulation piercing connectors
US10840615B2 (en) 2018-06-28 2020-11-17 Te Connectivity Corporation Connection enclosure assemblies, connector systems and methods for forming an enclosed connection between conductors
FR3086808B1 (fr) 2018-10-02 2021-10-08 Commissariat Energie Atomique Connecteur
US11431114B2 (en) 2020-02-14 2022-08-30 Te Connectivity Solutions Gmbh Enclosed connection systems for forming an enclosed connection between conductors, and methods including same

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US3848956A (en) * 1972-03-08 1974-11-19 Fargo Mfg Co Inc Self-sealing underground tap connector
DE3125629A1 (de) * 1981-06-30 1983-02-24 Rudolf Dr. 6800 Mannheim Wieser "dampfkessel mit diversitaeren verbrennungsluftvorwaermern"
FR2566191B1 (fr) * 1984-06-15 1986-11-14 Sicame Sa Connecteur de derivation isole pour cables electriques
AT384123B (de) * 1985-08-05 1987-10-12 Mosdorfer Gmbh Pressklemme zum verbinden mindestens zweier elektrischer leiter
US4684196A (en) * 1986-04-25 1987-08-04 Kupler Corporation Electrical clamp connector
DE8704948U1 (de) * 1987-04-02 1987-07-23 Karl Pfisterer Elektrotechnische Spezialartikel Gmbh & Co Kg, 7000 Stuttgart Vollisolierte Abzweigklemme

Also Published As

Publication number Publication date
AU3230189A (en) 1989-11-02
EP0340075A1 (de) 1989-11-02
US5015198A (en) 1991-05-14
FR2630865A1 (fr) 1989-11-03
GR3007576T3 (de) 1993-08-31
FR2630865B1 (fr) 1991-12-13
ES2039890T3 (es) 1993-10-01

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