WO2008061446A1 - Isolateur composite de type suspendu - Google Patents

Isolateur composite de type suspendu Download PDF

Info

Publication number
WO2008061446A1
WO2008061446A1 PCT/CN2007/003271 CN2007003271W WO2008061446A1 WO 2008061446 A1 WO2008061446 A1 WO 2008061446A1 CN 2007003271 W CN2007003271 W CN 2007003271W WO 2008061446 A1 WO2008061446 A1 WO 2008061446A1
Authority
WO
WIPO (PCT)
Prior art keywords
mandrel
composite insulator
cone
sleeve
core rod
Prior art date
Application number
PCT/CN2007/003271
Other languages
English (en)
Chinese (zh)
Inventor
Xuewen Xie
Original Assignee
Guangzhou Times Rubber & Plastic Enterprise Co., Ltd.
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 Guangzhou Times Rubber & Plastic Enterprise Co., Ltd. filed Critical Guangzhou Times Rubber & Plastic Enterprise Co., Ltd.
Priority to EP07845658.9A priority Critical patent/EP2117013B1/fr
Publication of WO2008061446A1 publication Critical patent/WO2008061446A1/fr

Links

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

Definitions

  • the present invention relates to a composite insulator for use in a power line or an electrified railway line, and more particularly to a suspension composite insulator. '
  • the insulator is generally made of an insulator material with a very high resistance. Its function is to separate the conductors with different potentials so that no current flows between the conductors, so that the current can flow in a certain direction.
  • domestic and overseas suspension insulators are classified into ceramic insulators, glass insulators, and composite insulators. Ceramic and glass insulators are brittle and susceptible to contamination, which can easily cause high-voltage flashover and frying bottle cracking.
  • the common rod-shaped composite insulator has poor flexural flexibility and brittle fracture. At present, the use of organic composite materials is widely promoted at home and abroad.
  • the insulators produced are also called composite insulators.
  • the end attachment of the composite insulator is the connection and fixing part of the composite insulator and the power transmission line and the electric pole. It not only bears various external forces in the system, but also the pressure generated by the wire itself. In the long-term use, it also bears the wind and product in the uncertain direction. The pressure of the snow, so the quality of the connection between the end attachment and the mandrel is an important sign directly related to the safety and reliability of the operation of the product.
  • the connection between the mandrel and the end attachment produced by the usual crimping assembly process is prone to occur. It is brittle, easy to loose, aging, and has poor stability, and has potential safety hazards. It is a major problem in the domestic and international composite insulator technology.
  • the object of the present invention is to provide a suspension type which has good anti-staining property, anti-folding property, anti-brittle property, high joint strength, good stability, aging resistance, safety and durability in view of the above problems and deficiencies.
  • Composite insulator which has good anti-staining property, anti-folding property, anti-brittle property, high joint strength, good stability, aging resistance, safety and durability in view of the above problems and deficiencies.
  • a suspension composite insulator comprising a core rod, an umbrella skirt disposed outside the core rod, and an end assembly disposed at both ends of the core rod, wherein the core rod is made of oriented glass fiber as a reinforcing main material, and then passed through a soft An insulating rubber material or a flexible plastic is bonded as a binder to the bar.
  • the umbrella skirt is made of a polymer insulating material, and the high molecular insulating material may be a polymer insulating material such as silicone rubber, EPDM rubber or soft plastic.
  • the shed skirt can be integrally molded on the mandrel or sleeved on the mandrel.
  • the end assembly comprises a tapered sleeve, a flared cone insertable into the inner ends of the mandrel, a lock nut and a connecting member, wherein: the flared cone is substantially a cone, and the cone head is provided with a retaining piece
  • the chamfer sleeve is a tubular member, and the inner diameter of the small diameter end of the cone sleeve is consistent with the diameter of the mandrel or the interference fit, and the inner hole of the large diameter end of the cone sleeve is arranged in a bell mouth shape, and the bell mouth is formed on the wall of the bell mouth.
  • the inner ring has an inner ring, and the outer ring of the large diameter end is provided with a convex step; one end of the inner hole of the lock nut is provided with an internal thread, and a concave step corresponding to the convex step is arranged in the hole;
  • the external thread is screwed to the internal thread, and the other end is in the shape of a ball or a ball or a ring to facilitate the connection; in order to make the end assembly and the mandrel more stable, on the end assembly
  • a pressure equalizing ring is also provided.
  • the mandrel of the invention is made of oriented glass fiber as a reinforcing main material, and then bonded into a bar by a soft insulating rubber material or a flexible plastic as a binder, so that the insulator has softness and reliable joint strength, and has good anti-staining property. , portability, no bending breakage or wind sag fatigue fracture during transportation and use, effectively avoiding the occurrence of high-pressure flashover or frying bottle crushing accident, improving the service life cycle of the product;
  • the structural form of the end assembly adopts the conical flare connection technology to make the connection strength between the end assembly and the mandrel higher than that of the conventional crimping technology, and the core rod is not easily loosened from the end assembly when the insulator is used.
  • the diameter of the flexible mandrel of the present invention can be determined according to the tensile load of the product; the length of the suspension composite insulator, the number and shape of the umbrella sleeve, the type of the end assembly according to the pollution resistance level and the use characteristics
  • the invention can meet the requirements of various insulation grades and strength grades; it is superior to the existing string insulators or rod composite insulators in terms of service life, safety and reliability.
  • Figure 1 is a schematic view showing the structure of the umbrella skirt sleeve of the present invention attached to the mandrel;
  • FIG. 2 is a schematic structural view of the umbrella skirt of the present invention integrally molded on a mandrel;
  • Figure 3 is a partial cross-sectional view of the insulator of the present invention.
  • Figure 4 is an exploded perspective view of the present invention
  • Figure 5 is a partial cross-sectional view showing a pressure equalizing ring of the present invention.
  • FIG. 6 is an exploded perspective view of the pressure equalizing ring of the present invention.
  • a suspension composite insulator includes a core rod 1, an umbrella skirt 2 disposed outside the core rod 1, and an assembly 3 disposed at both ends of the core rod 1.
  • the core rod 1 is reinforced by oriented glass fibers.
  • the main material is then bonded to the bar by a soft insulating rubber material or a flexible plastic as a binder.
  • the umbrella skirt 2 is made of polymer insulation material, and the polymer insulation material can be silicone rubber, EPDM rubber or soft plastic material.
  • the umbrella skirt 2 has the function of protecting the mandrel, increasing the creepage distance and resisting pollution. , can be made into various shapes according to the pressure resistance and stain resistance level, the connection manner of the umbrella skirt 2 and the mandrel 1 : as shown in FIG. 1 , the umbrella skirt sleeve 2 is sleeved on the mandrel 1 ;
  • the umbrella skirt 2 is integrally molded on the mandrel 1.
  • the taper sleeve 4, the flared cone 5, the lock nut 6 and the connecting member 7 constitute an end assembly 3, wherein the taper sleeve 4 is a tubular member, and the inner diameter of the small diameter end thereof is Mandrel 1 has the same diameter or interference fit, large diameter
  • the inner hole of the end is arranged in a bell mouth shape, the inner wall of the bell mouth shaped hole is provided, and the outer ring of the large diameter end is provided with a convex step 41;
  • the inner hole of the lock nut 6 is provided with a concave step 61, and is provided at one end of the inner hole
  • the connecting member 7 is provided with an external thread 71 screwed with the internal thread 62;
  • the taper sleeve 4 When assembling, first, the taper sleeve 4 is placed on the lock nut 6 so that the convex step 41 of the taper sleeve 4 abuts against the concave step 61 of the lock nut 6, and then the mandrel 1 of the umbrella skirt 2 is sheathed. Inserting from the small diameter end of the taper sleeve 4 until a certain distance is left, inserting the flared cone 5 into the mandrel 1 along the axial direction of the mandrel 1 to expand the mandrel 1 and then pulling the mandrel 1 in the reverse direction.
  • the expansion portion of the mandrel 1 is pressed against the bellows-shaped inner hole wall, and the internal teeth provided on the bell mouth-shaped hole wall can effectively increase the friction coefficient, and then screwed into the lock nut 6 through the connecting member 7 to be pressed.
  • the connecting member 7 can adopt various shapes. As shown in Fig. 1, the end portion of the connecting member 7 has a ball-shaped shape, as shown in Fig. 2, the end portion The shape is a ball-and-socket shape, as shown in Fig. 5, the end shape is a hanging ring shape.
  • a pressure equalizing ring 8 is also provided on the end assembly 3, as shown in Fig. 5-6.

Abstract

Un isolateur composite de type suspendu comprend un mandrin (1), une gaine de parapluie (2) disposée à l'extérieur du mandrin et des membres d'extrémité (3) ménagés aux deux extrémités du mandrin, la fibre de verre orienté étant utilisée en tant que matériau de corps renforcé pour le mandrin. Chaque membre d'extrémité comprend une gaine (4) avec un trou conique, un corps conique (5) servant à insérer n'importe quelle extrémité du mandrin, une vis de verrouillage (6) et un organe de connexion (7), le matériau de corps renforcé et la structure des membres d'extrémité améliorant la plasticité et la résistance de l'isolateur.
PCT/CN2007/003271 2006-11-24 2007-11-20 Isolateur composite de type suspendu WO2008061446A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07845658.9A EP2117013B1 (fr) 2006-11-24 2007-11-20 Isolateur composite de type suspendu

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610123727.4 2006-11-24
CNB2006101237274A CN100481276C (zh) 2006-11-24 2006-11-24 一种悬式复合绝缘子

Publications (1)

Publication Number Publication Date
WO2008061446A1 true WO2008061446A1 (fr) 2008-05-29

Family

ID=38082976

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/003271 WO2008061446A1 (fr) 2006-11-24 2007-11-20 Isolateur composite de type suspendu

Country Status (3)

Country Link
EP (1) EP2117013B1 (fr)
CN (1) CN100481276C (fr)
WO (1) WO2008061446A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110349715A (zh) * 2019-08-01 2019-10-18 萍乡市环宇电瓷厂 一种支柱型防风绝缘子

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100481276C (zh) * 2006-11-24 2009-04-22 广州市时代橡塑实业有限公司 一种悬式复合绝缘子
CN102024533B (zh) * 2010-05-17 2012-07-18 河北硅谷化工有限公司 一种复合柔性绝缘子的制造方法
CN101859618A (zh) * 2010-05-24 2010-10-13 华北电力科学研究院有限责任公司 高压输电线路用复合材料柔性绝缘装置
CN102568714A (zh) * 2010-12-30 2012-07-11 河南省电力公司焦作供电公司 组合玻璃钢绝缘子
CN103123833B (zh) * 2013-02-05 2015-07-22 宜兴市溢洋墨根材料有限公司 一种超高压电网用垂悬式复合绝缘子

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267403A (en) * 1977-12-14 1981-05-12 Ceraver Electric line insulator made of organic material and having an inner semi-conductive part extending between end anchor fittings
EP0038475A2 (fr) * 1980-04-16 1981-10-28 Karl Pfisterer Elektrotechnische Spezialartikel GmbH & Co. KG Armature pour la fabrication d'une jonction avec une tige en matière synthétique renforcée par des fibres de verre, qui peut être chargée par une force de traction élevée
CN1239803A (zh) * 1998-06-20 1999-12-29 山东省垦利县新型电力器材厂 内楔式高长期强度复合绝缘子
CN1963960A (zh) * 2006-11-24 2007-05-16 广州市时代橡塑实业有限公司 一种悬式复合绝缘子
CN200972810Y (zh) * 2006-11-24 2007-11-07 广州市时代橡塑实业有限公司 一种悬式复合绝缘子

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993026015A1 (fr) * 1992-06-12 1993-12-23 Mac Lean-Fogg Company Cloche d'isolateur
US5877453A (en) * 1997-09-17 1999-03-02 Maclean-Fogg Company Composite insulator
US6501029B1 (en) * 1999-12-03 2002-12-31 Electro Composites, Inc. High-voltage homogeneous co-curing composite insulator
FR2825183B1 (fr) * 2001-05-22 2003-07-18 Sediver Isolateur composite avec une fibre optique guidee entre une armature metallique et la tige support
FR2842644B1 (fr) * 2002-07-18 2004-08-20 Sediver Fabrication d'un corps d'isolateur composite

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267403A (en) * 1977-12-14 1981-05-12 Ceraver Electric line insulator made of organic material and having an inner semi-conductive part extending between end anchor fittings
EP0038475A2 (fr) * 1980-04-16 1981-10-28 Karl Pfisterer Elektrotechnische Spezialartikel GmbH & Co. KG Armature pour la fabrication d'une jonction avec une tige en matière synthétique renforcée par des fibres de verre, qui peut être chargée par une force de traction élevée
CN1239803A (zh) * 1998-06-20 1999-12-29 山东省垦利县新型电力器材厂 内楔式高长期强度复合绝缘子
CN1963960A (zh) * 2006-11-24 2007-05-16 广州市时代橡塑实业有限公司 一种悬式复合绝缘子
CN200972810Y (zh) * 2006-11-24 2007-11-07 广州市时代橡塑实业有限公司 一种悬式复合绝缘子

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2117013A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110349715A (zh) * 2019-08-01 2019-10-18 萍乡市环宇电瓷厂 一种支柱型防风绝缘子

Also Published As

Publication number Publication date
EP2117013A4 (fr) 2013-05-01
EP2117013A1 (fr) 2009-11-11
CN100481276C (zh) 2009-04-22
CN1963960A (zh) 2007-05-16
EP2117013B1 (fr) 2017-04-05

Similar Documents

Publication Publication Date Title
WO2008061446A1 (fr) Isolateur composite de type suspendu
CN201156452Y (zh) 一种复合支柱绝缘子
CN103123833B (zh) 一种超高压电网用垂悬式复合绝缘子
CN201348902Y (zh) 复合芯及复合芯导线
CN203480947U (zh) 改进型棒式复合绝缘子串及连接结构
CN200972810Y (zh) 一种悬式复合绝缘子
CN213546022U (zh) 一种可调节的复合棒形悬式绝缘子
CN201562504U (zh) 一种法兰复合芯棒支柱绝缘子
CN101650995B (zh) 一种绝缘子芯棒的制造方法
CN201466656U (zh) 热缩单孔伞裙
CN218100833U (zh) 一种绝缘子
CN201532821U (zh) 750kV格构式复合横担绝缘子
CN201487422U (zh) 复合管非金属卡瓦式管接头
CN110098009A (zh) 一种负压回弹的侦察车用半螺旋光电复合缆
CN201134304Y (zh) 一种复合绝缘子的端部附件结构
CN209266048U (zh) 一种负压回弹的侦察车用半螺旋光电复合缆
CN214705584U (zh) 一种锥套式连接瓷套绝缘子
CN217983110U (zh) 一种绝缘拉杆
CN201812593U (zh) 绝缘子用芯棒及具有该芯棒的复合绝缘子
CN201955511U (zh) 一种光缆连接器接头装置
CN220775291U (zh) 一种高强度的cpvc电力管
CN218094938U (zh) 一种高强度玻璃纤维套管
CN2593322Y (zh) 复合式拉线绝缘子
CN201540784U (zh) 低压拉线复合绝缘子装置
CN210925612U (zh) 一种绝缘子

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07845658

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

REEP Request for entry into the european phase

Ref document number: 2007845658

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2007845658

Country of ref document: EP