ES2009043A6 - Monolithic overload relief device for an overhead conductor, and its method of manufacture - Google Patents

Monolithic overload relief device for an overhead conductor, and its method of manufacture

Info

Publication number
ES2009043A6
ES2009043A6 ES8802878A ES8802878A ES2009043A6 ES 2009043 A6 ES2009043 A6 ES 2009043A6 ES 8802878 A ES8802878 A ES 8802878A ES 8802878 A ES8802878 A ES 8802878A ES 2009043 A6 ES2009043 A6 ES 2009043A6
Authority
ES
Spain
Prior art keywords
relief device
monolithic
manufacture
plastic
overhead conductor
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
ES8802878A
Other languages
Spanish (es)
Inventor
Pierre Novel
Pierre Ribeyre
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.)
Der Vaux S A Soc Nouv Ets
Original Assignee
Der Vaux S A Soc Nouv Ets
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 Der Vaux S A Soc Nouv Ets filed Critical Der Vaux S A Soc Nouv Ets
Publication of ES2009043A6 publication Critical patent/ES2009043A6/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device

Landscapes

  • Pivots And Pivotal Connections (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

This relief device is of the type inserted between a pole and the member for fastening each span. According to the invention, it is constituted by a single monolithic component, made from a material whose elongation curve has a marked transition point between the elastic region and the plastic region, and is composed of at least two arms 2a-2b, the free ends of which are fitted with fastening means 7 and the other ends of which are linked via a zone of smaller cross-section z capable, above an overload value, of undergoing plastic yield in bending, according to the principle of the plastic swivel joint.
ES8802878A 1987-09-23 1988-09-22 Monolithic overload relief device for an overhead conductor, and its method of manufacture Expired ES2009043A6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8713688A FR2620875B1 (en) 1987-09-23 1987-09-23 MONOLITHIC OVERLOAD LIMITER FOR AIR CONDUCTOR AND MANUFACTURING METHOD THEREOF

Publications (1)

Publication Number Publication Date
ES2009043A6 true ES2009043A6 (en) 1989-08-16

Family

ID=9355488

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8802878A Expired ES2009043A6 (en) 1987-09-23 1988-09-22 Monolithic overload relief device for an overhead conductor, and its method of manufacture

Country Status (4)

Country Link
DE (1) DE8811716U1 (en)
ES (1) ES2009043A6 (en)
FR (1) FR2620875B1 (en)
IT (1) IT1223846B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649255B1 (en) * 1989-06-30 1991-10-18 Arconnerie Francaise Sa CONTROLLED DEFORMATION DEVICE FOR THE EXPANSION OF ELECTRICAL CABLES OF OVERHEAD POWER LINES
FR3065839B1 (en) * 2017-04-26 2019-06-07 Dervaux Distribution MONITORING DEVICE FOR MONITORING A MECHANICAL OVERLOAD LIMITER FOR AERIAL ELECTRIC LINE

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344991A1 (en) * 1976-03-18 1977-10-14 Dervaux Ets Overhead cable support arm - is sheet metal U:section and absorbs mechanical overload by distortion when cable loading approaches breaking point
FR2560719B1 (en) * 1984-03-05 1986-09-19 Lcab Sa Usines Metallurg CONTROLLED DEFORMATION DEVICE FOR THE PROTECTION OF ELECTRICAL LINES AGAINST OVERLOADS DUE TO WEATHER

Also Published As

Publication number Publication date
FR2620875A1 (en) 1989-03-24
IT1223846B (en) 1990-09-29
FR2620875B1 (en) 1989-12-22
DE8811716U1 (en) 1988-10-27
IT8867843A0 (en) 1988-09-22

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Legal Events

Date Code Title Description
SA6 Expiration date (snapshot 920101)

Free format text: 2008-09-22