EP1467380A1 - Loop shaped insulator - Google Patents

Loop shaped insulator Download PDF

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Publication number
EP1467380A1
EP1467380A1 EP04007208A EP04007208A EP1467380A1 EP 1467380 A1 EP1467380 A1 EP 1467380A1 EP 04007208 A EP04007208 A EP 04007208A EP 04007208 A EP04007208 A EP 04007208A EP 1467380 A1 EP1467380 A1 EP 1467380A1
Authority
EP
European Patent Office
Prior art keywords
loop
insulator
shaped insulator
thimbles
connection
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.)
Granted
Application number
EP04007208A
Other languages
German (de)
French (fr)
Other versions
EP1467380B1 (en
Inventor
Martin Hoffmann
Philippe Leray
Marten Rankers
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.)
Siemens AG
Original Assignee
Siemens AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32864433&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1467380(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG filed Critical Siemens AG
Priority to PL04007208T priority Critical patent/PL1467380T3/en
Publication of EP1467380A1 publication Critical patent/EP1467380A1/en
Application granted granted Critical
Publication of EP1467380B1 publication Critical patent/EP1467380B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/02—Suspension insulators; Strain insulators
    • H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances

Definitions

  • the invention relates to a loop insulator with a loop-shaped insulator component, which is opposed to each other Connection thimbles is connected.
  • Such a loop insulator is for example from the publication Siemens AG with order number A52813-W3001-A0001-02-00 B1 known.
  • the loop isolators described there SICAT 8WL3001 / 3002 are used to control the live overhead line of electric railways from Isolate earth potential.
  • the loop-shaped insulator component is made of glass fiber reinforced plastic, and indeed from a self-contained glass fiber reinforced plastic strand.
  • a connection fitting which is called Renkausche.
  • This Connection thimbles are often made of a copper-aluminum alloy manufactured. In the production are those with epoxy resin impregnated glass fibers of the insulator component directly on the connection thimbles are wound and hardened there.
  • connection thimbles always have circular openings, in which connection components such as ropes, wires or Bolt be held.
  • connection components such as ropes, wires or Bolt be held.
  • thimble inserts made of copper-aluminum alloy, copper, Brass or polyamide.
  • the loop-shaped insulator component surrounds the connection thimbles.
  • connection thimbles of the loop insulators and the connection components are made of different metals, which have different electrochemical voltages. It can be due to the humidity for electrochemical Corrosion come. In addition, with connection thimbles Made of brass a stress corrosion cracking can not be excluded.
  • the invention is based on the object, a loop insulator which does not corrode and thus longer than a previously common loop insulator is ready for use.
  • connection thimbles entirely made of a non-metallic material.
  • the non-metallic material is plastic or a ceramic. This gives the special advantage that used a mechanically stable non-metallic substance becomes.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Insulators (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Cable Accessories (AREA)
  • Conductive Materials (AREA)

Abstract

Connection cable-eyes consist entirely of a non-metal material like plastic or a ceramic material. Stress corrosion cracking is avoided by not using metals or alloys like brass that are specifically at risk from stress cracking. Mechanically stable non-metal material is used.

Description

Die Erfindung betrifft einen Schlingenisolator mit einem schlingenförmigen Isolatorbauteil, das mit einander gegenüberliegenden Anschlusskauschen verbunden ist.The invention relates to a loop insulator with a loop-shaped insulator component, which is opposed to each other Connection thimbles is connected.

Ein solcher Schlingenisolator ist beispielsweise aus der Veröffentlichung der Siemens AG mit der Bestellnummer A52813-W3001-A0001-02-00 B1 bekannt. Die dort beschriebenen Schlingenisolatoren SICAT 8WL3001/3002 werden eingesetzt, um die spannungsführende Oberleitung von elektrischen Bahnen vom Erdpotential zu isolieren. Das schlingenförmige Isolatorbauteil besteht aus glasfaserverstärktem Kunststoff, und zwar aus einem in sich geschlossenen glasfaserverstärkten Kunststoffstrang. An gegenüberliegenden Enden dieses schlingenförmigen Isolatorbauteils ist jeweils eine Anschlussarmatur angeordnet, die Anschlusskausche genannt wird. Diese Anschlusskauschen sind häufig aus einer Kupfer-Aluminium-Legierung gefertigt. Bei der Herstellung werden die mit Epoxidharz getränkten Glasfasern des Isolatorbauteils direkt auf die Anschlusskauschen gewickelt und dort gehärtet.Such a loop insulator is for example from the publication Siemens AG with order number A52813-W3001-A0001-02-00 B1 known. The loop isolators described there SICAT 8WL3001 / 3002 are used to control the live overhead line of electric railways from Isolate earth potential. The loop-shaped insulator component is made of glass fiber reinforced plastic, and indeed from a self-contained glass fiber reinforced plastic strand. At opposite ends of this loop-shaped Isolator component is arranged in each case a connection fitting, which is called Anschlusskausche. This Connection thimbles are often made of a copper-aluminum alloy manufactured. In the production are those with epoxy resin impregnated glass fibers of the insulator component directly on the connection thimbles are wound and hardened there.

Die bekannten Anschlusskauschen haben stets kreisrunde Öffnungen, in denen Anschlussbauteile wie Seile, Drähte oder Bolzen gehalten werden. In den Öffnungen befinden sich Kauscheneinsätze aus Kupfer-Aluminium-Legierung, aus Kupfer, Messing oder aus Polyamid. Das schlingenförmige Isolatorbauteil umgreift die Anschlusskauschen.The known connection thimbles always have circular openings, in which connection components such as ropes, wires or Bolt be held. In the openings are thimble inserts made of copper-aluminum alloy, copper, Brass or polyamide. The loop-shaped insulator component surrounds the connection thimbles.

Die bekannten Anschlusskauschen der Schlingenisolatoren und die Anschlussbauteile bestehen aus unterschiedlichen Metallen, die unterschiedliche elektrochemische Spannungen haben. Es kann dadurch in Folge der Luftfeuchte zur elektrochemischen Korrosion kommen. Außerdem ist bei Anschlusskauschen aus Messing eine Spannungsrisskorrosion nicht auszuschließen. The known connection thimbles of the loop insulators and the connection components are made of different metals, which have different electrochemical voltages. It can be due to the humidity for electrochemical Corrosion come. In addition, with connection thimbles Made of brass a stress corrosion cracking can not be excluded.

Der Erfindung liegt die Aufgabe zugrunde, einen Schlingenisolator anzugeben, der nicht korrodiert und somit länger als ein bisher üblicher Schlingenisolator einsatzbereit ist.The invention is based on the object, a loop insulator which does not corrode and thus longer than a previously common loop insulator is ready for use.

Die Aufgabe wird gemäß der Erfindung dadurch gelöst, dass die Anschlusskauschen ganz aus einem nichtmetallischen Stoff bestehen.The object is achieved according to the invention in that the Connection thimbles entirely made of a non-metallic material.

Dadurch, dass vermieden wird, zwei elektrochemisch reagierende Metalle aneinandergrenzen zu lassen, wird die elektrochemische Korrosion vermieden. Dadurch dass gezielt spannungsrissgefährdete Metalle oder Legierungen wie Messing nicht verwendet werden, wird eine Spannungsrisskorrosion vermieden.By avoiding that, two electrochemically reacting To let metals abut one another becomes the electrochemical Corrosion avoided. Due to the fact that there is a risk of stress cracking Metals or alloys such as brass not used, stress corrosion cracking is avoided.

Beispielsweise ist der nichtmetallische Stoff Kunststoff oder eine Keramik. Damit wird der besondere Vorteil erzielt, dass ein mechanisch stabiler nichtmetallischer Stoff verwendet wird.For example, the non-metallic material is plastic or a ceramic. This gives the special advantage that used a mechanically stable non-metallic substance becomes.

Es wird der besondere Vorteil erzielt, dass der Schlingenisolator trotz der Witterungseinflüsse nicht korrodiert und daher eine längere Einsatzzeit als bei bisherigen Schlingenisolatoren möglich ist.It has the particular advantage that the loop insulator despite the weather conditions not corroded and therefore a longer service life than previous loop insulators is possible.

Claims (2)

Schlingenisolator mit einem schlingenförmigen Isolatorbauteil, das mit einander gegenüberliegenden Anschlusskauschen verbunden ist,
dadurch gekennzeichnet, dass die Anschlusskauschen ganz aus einem nichtmetallischen Stoff bestehen.Loop insulator having a loop-shaped insulator component connected to opposing terminal thimbles,
characterized in that the connection thimbles consist entirely of a non-metallic material. Schlingenisolator nach Anspruch 1,
dadurch gekennzeichnet, dass der nichtmetallische Stoff Kunststoff oder eine Keramik ist.Loop insulator according to claim 1,
characterized in that the non-metallic material is plastic or a ceramic.
EP04007208A 2003-04-10 2004-03-25 Loop shaped insulator Expired - Lifetime EP1467380B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04007208T PL1467380T3 (en) 2003-04-10 2004-03-25 Loop shaped insulator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10316553A DE10316553A1 (en) 2003-04-10 2003-04-10 loop isolator
DE10316553 2003-04-10

Publications (2)

Publication Number Publication Date
EP1467380A1 true EP1467380A1 (en) 2004-10-13
EP1467380B1 EP1467380B1 (en) 2007-03-21

Family

ID=32864433

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04007208A Expired - Lifetime EP1467380B1 (en) 2003-04-10 2004-03-25 Loop shaped insulator

Country Status (5)

Country Link
EP (1) EP1467380B1 (en)
AT (1) ATE357729T1 (en)
DE (2) DE10316553A1 (en)
ES (1) ES2282749T3 (en)
PL (1) PL1467380T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008096264A2 (en) * 2007-02-07 2008-08-14 Rosario Scarpetta Insulator for power lines

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE679226C (en) * 1930-07-15 1939-08-01 Siemens Schuckertwerke Akt Ges Henge isolator
DE1086316B (en) * 1956-04-03 1960-08-04 Pilkington Brothers Ltd High voltage insulator
DE2001779A1 (en) * 1970-01-16 1971-07-22 Siemens Ag Rod insulator for the insulation of contact lines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1083372B (en) * 1957-12-13 1960-06-15 Columbia Products Company Method of manufacturing a rod-shaped tensile insulator
FR1282731A (en) * 1960-12-16 1962-01-27 Neyrpic Ets Insulator device for high voltage overhead lines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE679226C (en) * 1930-07-15 1939-08-01 Siemens Schuckertwerke Akt Ges Henge isolator
DE1086316B (en) * 1956-04-03 1960-08-04 Pilkington Brothers Ltd High voltage insulator
DE2001779A1 (en) * 1970-01-16 1971-07-22 Siemens Ag Rod insulator for the insulation of contact lines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008096264A2 (en) * 2007-02-07 2008-08-14 Rosario Scarpetta Insulator for power lines
WO2008096264A3 (en) * 2007-02-07 2008-11-27 Rosario Scarpetta Insulator for power lines

Also Published As

Publication number Publication date
DE10316553A1 (en) 2004-10-28
ATE357729T1 (en) 2007-04-15
DE502004003251D1 (en) 2007-05-03
ES2282749T3 (en) 2007-10-16
PL1467380T3 (en) 2007-06-29
EP1467380B1 (en) 2007-03-21

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