EP0871250A2 - Anschluss zum Arbeiten unter Spannung oder ohne Spannung, insbesondere Anschluss für eine Lichtbogenschutzvorrichtung oder Überlastungssicherung - Google Patents
Anschluss zum Arbeiten unter Spannung oder ohne Spannung, insbesondere Anschluss für eine Lichtbogenschutzvorrichtung oder Überlastungssicherung Download PDFInfo
- Publication number
- EP0871250A2 EP0871250A2 EP98201001A EP98201001A EP0871250A2 EP 0871250 A2 EP0871250 A2 EP 0871250A2 EP 98201001 A EP98201001 A EP 98201001A EP 98201001 A EP98201001 A EP 98201001A EP 0871250 A2 EP0871250 A2 EP 0871250A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- slot
- terminal
- cable
- prong
- connector
- 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.)
- Withdrawn
Links
Images
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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- 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 terminal or connector suitable for live or dead working, especially a terminal for an arching protection device or an overload cut-out, comprising a body, an open-sided slot in the body for receiving a cable to be protected or branched, a threaded or spring-equipped prong-like member, and a clamp element which grips the prong-like member and is movable into the slot by turning the prong-like member for clamping the cable within the slot and for establishing a contact between the cable and the prong-like member.
- This type of terminals or connectors are used with medium-voltage cables, both on open wires and coated overhead cables, for the attachment of arching protection horns or overload cut-outs to a wire or as a branch terminal.
- It is prior known e.g. EP-170545 to use a claw extending from the top edge of the receiving slot alongside the terminal for an easier mounting of the terminal on a wire also by means of a long rod intended for live working.
- the design of a terminal and the position of a claw do not facilitate working from a distance in the best possible manner for bringing the terminal first to easily grab a cable and then for bringing the cable accurately into the receiving slot as well as for keeping it in the slot while clamping the terminal.
- An object of the invention is to provide an improved terminal or connector, having its body portion designed and its adjoining catch claw positioned to enable live or dead working in such a manner that a cable is more easily brought into the engagement with the terminal or connector and that the cable assumes automatically a correct position in the receiving slot upon tightening or clamping the terminal or connector.
- the terminal or connector comprises an arching protection connector having an extending prong-like member 2 which may function as an arching protection horn or which can be replaced with an arching protection horn.
- the prong-like member 2 has its bottom end provided with a loop 12 which can be grabbed with a long rod, whereby the terminal can be lifted up and attached to a cable which may be either live or dead.
- the terminal or connector includes a body 1, having a generally trough-like shape for defining an open-sided receiving slot 3 for accommodating a cable 6.
- a clamp element 7 engages the prong-like member 2 which can be turned for moving the clamp element 7 into the slot 3 for clamping the cable 6 within the slot 3 and for establishing a contact between the cable 6 and the prong-like member 2.
- the prong-like member 2 has its top end provided with a threading 10 in mesh with an internal threading in the cavity of the clamp element 7, and the prong-like member 2 includes a cut-out 11 engaged by a lock ring serving as a bearing, the prong-like member 2 being able to rotate relative to the body 1, yet being immobilized in the axial direction.
- An alternative embodiment is depicted in figs. 1 and 2, wherein the prong-like member 2 has a threading 10' in mesh with a nut 13 adjoining the body 1. In this case, the top end (not shown) of the prong-like member 2 is attached to the clamp element 7 in a rotatable, yet axially immobilized manner.
- the solution shown in figs. 1 and 2 is consistent with fig. 3 in terms of the bearing system 11 and the threading 10 in mesh with the clamp element 7, whereby the function of the threading 10' and the nut 13 is to achieve a locking of the prong-like member 2 or to provide a possibility of replacing the same.
- the body 1 is designed to be elongated in the direction parallel to the slot 3 for supporting a cable over a longer distance.
- the body 1 is extended so as to curve as a catch claw 4, partially defining an open side of the slot 3 and spaced from the clamp element 7 by a distance lengthwise to the slot 3.
- the catch claw 4 defines an open-bottom catch slot or catch hook 5, capable of receiving a cable in a direction transverse to the slot 3, as shown with a dash-dot line in fig. 2. From this catch position the cable assumes automatically a correct position in the slot 3 upon commencing the rotation of the prong-like member 2 in the clamp tightening direction.
- the body 1 is turning on top of the cable 6 until the receiving slot 3 becomes aligned with the cable 6 and the terminal drops down onto the cable to the position shown in fig. 3.
- said claw 4 defines the open-bottom catch slot or hook 5, said claw 4 also functions as a torque recipient upon clamping the terminal on a cable.
- the prong-like member 2 is provided with an overload cut-out 9.
- the invention can be applied to all types of live working terminals, i.e. also for designing branch connections.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Clamps And Clips (AREA)
- Emergency Protection Circuit Devices (AREA)
- Cable Accessories (AREA)
- Insulating Bodies (AREA)
- Fuses (AREA)
- Scissors And Nippers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI971438A FI101913B (fi) | 1997-04-07 | 1997-04-07 | Jännitteelliseen tai jännitteettömään työskentelyyn soveltuva liitin, erityisesti valokaari- tai ylivirtasuojan liitin |
FI971438 | 1997-04-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0871250A2 true EP0871250A2 (de) | 1998-10-14 |
EP0871250A3 EP0871250A3 (de) | 2000-03-01 |
Family
ID=8548550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98201001A Withdrawn EP0871250A3 (de) | 1997-04-07 | 1998-03-30 | Anschluss zum Arbeiten unter Spannung oder ohne Spannung, insbesondere Anschluss für eine Lichtbogenschutzvorrichtung oder Überlastungssicherung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0871250A3 (de) |
FI (1) | FI101913B (de) |
HR (1) | HRP980194A2 (de) |
NO (1) | NO981563L (de) |
PL (1) | PL325663A1 (de) |
RO (1) | RO118344B1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE610420C (de) * | 1935-03-09 | Dipl Raufmann Alois Schiffmann | Stromabnahmeklemme fuer Freileitungen | |
US2514474A (en) * | 1945-04-30 | 1950-07-11 | Reliable Electric Co | Method of making c-shaped clamps |
EP0170545A1 (de) * | 1984-06-15 | 1986-02-05 | S I C A M E Societe Industrielle De Construction D'appareils Et De Materiel Electriques | Isolierter Abzweigverbinder für elektrische Kabel |
US4911572A (en) * | 1988-06-13 | 1990-03-27 | Houston Industries Incorporated | Cable tie back clamp |
EP0387865A1 (de) * | 1989-03-17 | 1990-09-19 | Oy Sekko Ab | Funkenschutzeinrichtung für isolierte Leitungen, insbesondere Freileitungen |
-
1997
- 1997-04-07 FI FI971438A patent/FI101913B/fi active
-
1998
- 1998-03-30 EP EP98201001A patent/EP0871250A3/de not_active Withdrawn
- 1998-04-01 PL PL98325663A patent/PL325663A1/xx unknown
- 1998-04-06 RO RO98-00844A patent/RO118344B1/ro unknown
- 1998-04-06 NO NO981563A patent/NO981563L/no not_active Application Discontinuation
- 1998-04-07 HR HR971438A patent/HRP980194A2/hr not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE610420C (de) * | 1935-03-09 | Dipl Raufmann Alois Schiffmann | Stromabnahmeklemme fuer Freileitungen | |
US2514474A (en) * | 1945-04-30 | 1950-07-11 | Reliable Electric Co | Method of making c-shaped clamps |
EP0170545A1 (de) * | 1984-06-15 | 1986-02-05 | S I C A M E Societe Industrielle De Construction D'appareils Et De Materiel Electriques | Isolierter Abzweigverbinder für elektrische Kabel |
US4911572A (en) * | 1988-06-13 | 1990-03-27 | Houston Industries Incorporated | Cable tie back clamp |
EP0387865A1 (de) * | 1989-03-17 | 1990-09-19 | Oy Sekko Ab | Funkenschutzeinrichtung für isolierte Leitungen, insbesondere Freileitungen |
Also Published As
Publication number | Publication date |
---|---|
FI101913B1 (fi) | 1998-09-15 |
FI971438A0 (fi) | 1997-04-07 |
NO981563D0 (no) | 1998-04-06 |
FI101913B (fi) | 1998-09-15 |
RO118344B1 (ro) | 2003-04-30 |
NO981563L (no) | 1998-10-08 |
HRP980194A2 (en) | 1998-12-31 |
EP0871250A3 (de) | 2000-03-01 |
PL325663A1 (en) | 1998-10-12 |
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