EP0163794B1 - Dispositif de raccordement d'une tresse de liaison à une tige de contact, et son procédé d'assemblage - Google Patents

Dispositif de raccordement d'une tresse de liaison à une tige de contact, et son procédé d'assemblage Download PDF

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Publication number
EP0163794B1
EP0163794B1 EP84402424A EP84402424A EP0163794B1 EP 0163794 B1 EP0163794 B1 EP 0163794B1 EP 84402424 A EP84402424 A EP 84402424A EP 84402424 A EP84402424 A EP 84402424A EP 0163794 B1 EP0163794 B1 EP 0163794B1
Authority
EP
European Patent Office
Prior art keywords
pin
braided wire
set out
sleeve
contact rod
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
EP84402424A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0163794A1 (fr
Inventor
Pascal Baube
Gabriel Balsarin
Norbert Perrichon
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Priority to AT84402424T priority Critical patent/ATE32640T1/de
Publication of EP0163794A1 publication Critical patent/EP0163794A1/fr
Application granted granted Critical
Publication of EP0163794B1 publication Critical patent/EP0163794B1/fr
Expired 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H2001/5883—Electric connections to or between contacts; Terminals the extension of the contact being crimped around a wire
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/025—Terminal arrangements

Definitions

  • the invention relates to a method and a device for assembling a connection braid to a movable contact rod used in a pole of high-voltage electrical equipment.
  • One end of the braid is connected to a fixed pad, and the other end is connected to the rod by means of a fixing member.
  • the object of the invention is to remedy these drawbacks and to enable a reliable connection to be made without fixing screws and with uniform distribution of the electric field.
  • the contact pressure in the annular contact surface is advantageously obtained by mechanical crimping of the sleeve on the pin. Any other method of fixing the sleeve can of course be used.
  • the sleeve for fixing the braid to the spindle has any cross section, in particular polygonal, circular or oval, and is produced by means of a metal tube, made of conductive material.
  • the braid is in contact with a bearing surface of the spindle, having a circular section narrowed relative to that of the contact rod.
  • the bearing surface is smooth or is provided with means for gripping the braid when the sleeve is tightened.
  • the coaxial structure of the fitting in the connection area, and the annular contact surface between the braid and the spindle generate a uniform distribution of the electric field and good dielectric strength.
  • a contact rod 10 of conductive material is formed by a cylindrical pin 12 comprising a first contact element 14 at one of its ends, and a second contact element 17 at the opposite end.
  • Each contact element 14, 17 can be equipped with a racking-in clamp (not shown) capable of cooperating with a fixed fixed contact.
  • a control member for the contact rod 10 is coupled to a stop ring 16 integral with the pin 12 to ensure the displacement in axial translation of the contact rod 10.
  • the electrical connection of the movable spindle 12 with a fixed track takes place by means of a flexible conductor formed by a braid 18.
  • One of the ends of the braid 18 is capped by a connection terminal 20 to the beach.
  • the other end 21 of the braid 18 is connected to the pin 12 along an intermediate zone extending over a fraction of the axial length provided between the first contact element 14 and the ring 16 of the control member .
  • the braid 18 is shaped as a flattened sheath composed of strands interlaced in conductive wires and comprising a radial orifice 22 for introducing the pin 12. Between the orifice 22 and the terminal 20, the braid 18 is flat, and is located at the same side of the spindle 12. Between the orifice 22 and the end 21, the braid 12 is tubular and coaxially surrounds the cylindrical lateral surface of the spindle 12 in the intermediate connection zone in which an external fixing sleeve 24 is secured by crimping to the spindle 12 by trapping the tubular portion of the braid 18.
  • the sleeve 24 of conductive metallic material has a polygonal section, but any other shape, in particular circular or oval, can be used.
  • the method of assembling the braid 18 on the spindle 12 operates as follows:
  • the open end 21 of the braid 18 is shaped into a sheath and the cylindrical pin 12 is threaded into the sheath by the orifice 22 in the right-left direction indicated by the arrow F, (fig. 2).
  • the tubular portion of the braid 18 is arranged circumferentially around a bearing surface 26 of the pin 12.
  • the fixing sleeve 24 is then engaged on the pin 12 on the side of the first contact element 14 (left-right direction indicated by the arrow F 2 , Fig. 2), so as to coaxially surround the tubular portion of the braid 18.
  • the final assembly of the braid 18 on the bearing surface 26 of the spindle 12 is carried out by mechanical crimping of the sleeve 24, or by any other fixing method, in particular by magnetoforming or welding, to obtain a reliable mechanical and electrical connection.
  • the orifice 22 of the braid 18 is arranged coaxially with the fixing sleeve 24.
  • the bearing surface 26 coming into contact with the tubular portion of the braid 18 has a narrowed circular section whose diameter is slightly less than that of the spindle 12.
  • the cylindrical bearing surface 26 is smooth, or can be equipped with gripping means, in particular roughnesses or grooves, intended to improve the mechanical resistance in rotation and in translation of the braid 18 when the sleeve 24 is tightened.
  • the coaxial arrangement of the braid 18 around the pin 12 makes it possible to obtain an annular contact surface (FIG. 3) allowing a uniform distribution of the electric field and good dielectric strength of the apparatus. This also results in a minimum radial size at the connection thanks to the small thickness of the fixing sleeve 24.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Non-Insulated Conductors (AREA)
  • Cable Accessories (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Manufacture Of Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Contacts (AREA)
  • Processing Of Terminals (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP84402424A 1983-12-09 1984-11-28 Dispositif de raccordement d'une tresse de liaison à une tige de contact, et son procédé d'assemblage Expired EP0163794B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84402424T ATE32640T1 (de) 1983-12-09 1984-11-28 Verbindungsvorrichtung einer beflechtung an einem kontaktstab und montageverfahren.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8319896A FR2556511B1 (fr) 1983-12-09 1983-12-09 Dispositif de raccordement d'une tresse de liaison a une tige de contact, et son procede d'assemblage
FR8319896 1983-12-09

Publications (2)

Publication Number Publication Date
EP0163794A1 EP0163794A1 (fr) 1985-12-11
EP0163794B1 true EP0163794B1 (fr) 1988-02-24

Family

ID=9295104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84402424A Expired EP0163794B1 (fr) 1983-12-09 1984-11-28 Dispositif de raccordement d'une tresse de liaison à une tige de contact, et son procédé d'assemblage

Country Status (8)

Country Link
EP (1) EP0163794B1 (enrdf_load_stackoverflow)
JP (1) JPS60140610A (enrdf_load_stackoverflow)
AT (1) ATE32640T1 (enrdf_load_stackoverflow)
AU (1) AU572910B2 (enrdf_load_stackoverflow)
DE (1) DE3469471D1 (enrdf_load_stackoverflow)
FR (1) FR2556511B1 (enrdf_load_stackoverflow)
IN (1) IN163296B (enrdf_load_stackoverflow)
ZA (1) ZA849541B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774210B1 (fr) * 1998-01-27 2000-03-17 Schneider Electric Ind Sa Piece de contact mobile pour un disjoncteur a haute tension, et a auto-expansion
US9570826B2 (en) 2014-12-08 2017-02-14 Eaton Corporation Connection apparatus usable in vacuum interrupter
CN108879121A (zh) * 2018-07-04 2018-11-23 潘红英 一种电力施工用接线头加固装置
CN110544860B (zh) * 2019-09-26 2024-06-18 东莞市锐华自动化设备有限公司 连接线整平装置及其方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1759767A (en) * 1926-01-14 1930-05-20 Gen Electric Liquid-lever gauge for boilers
US1759567A (en) * 1928-09-07 1930-05-20 Dibner Abraham Bernard Slide joint for electrical conductors
US2012536A (en) * 1933-11-17 1935-08-27 Herbert G Honig Cable bond
US3315024A (en) * 1964-11-19 1967-04-18 Thomas & Betts Corp Grounding sheath connector

Also Published As

Publication number Publication date
IN163296B (enrdf_load_stackoverflow) 1988-09-03
JPS60140610A (ja) 1985-07-25
JPH0471283B2 (enrdf_load_stackoverflow) 1992-11-13
AU3642884A (en) 1985-06-13
ZA849541B (en) 1985-07-31
FR2556511B1 (fr) 1986-08-01
DE3469471D1 (en) 1988-03-31
ATE32640T1 (de) 1988-03-15
FR2556511A1 (fr) 1985-06-14
AU572910B2 (en) 1988-05-19
EP0163794A1 (fr) 1985-12-11

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