CN112117067B - Integrated hollow composite insulator with mounting flange insulation structure and manufacturing method - Google Patents
Integrated hollow composite insulator with mounting flange insulation structure and manufacturing method Download PDFInfo
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- CN112117067B CN112117067B CN202011083612.3A CN202011083612A CN112117067B CN 112117067 B CN112117067 B CN 112117067B CN 202011083612 A CN202011083612 A CN 202011083612A CN 112117067 B CN112117067 B CN 112117067B
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- glass fiber
- mounting flange
- umbrella skirt
- fiber tube
- fiber pipe
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- 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
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
- H01B17/40—Cementless fittings
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- 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
- H01B17/32—Single insulators consisting of two or more dissimilar insulating bodies
- H01B17/325—Single insulators consisting of two or more dissimilar insulating bodies comprising a fibre-reinforced insulating core member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
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Abstract
The invention discloses an integrated hollow composite insulator with a mounting flange insulation structure, which comprises a glass fiber pipe, wherein mounting flanges are respectively formed at two ends of the glass fiber pipe, the two mounting flanges and the glass fiber pipe are in an integrated molding structure, and an umbrella skirt is arranged on the outer circumferential surface of the glass fiber pipe between the two mounting flanges; the structure of the traditional hollow composite insulator is changed, so that the mounting flange and the glass fiber tube are in an integrated molding structure, and the mounting flange and the glass fiber tube do not have a connection relation or a sealing relation, so that the problem of sealing leakage between the mounting flange and the glass fiber tube is completely solved, and a more reliable sealing effect is achieved; the mechanical strength of the mounting flange and the glass fiber pipe integrated molding structure is far higher than that of the traditional cementing structure of the mounting flange and the glass fiber pipe, so that the hollow composite insulator has better mechanical performance; the product assembly is simpler, and the structure is more reliable.
Description
Technical Field
The invention relates to an integrated hollow composite insulator with a mounting flange insulation structure and a manufacturing method thereof, belonging to the technical field of insulators.
Background
The hollow composite insulator is composed of a mounting flange, a silicon rubber umbrella skirt and a glass fiber pipe; the mounting flanges are arranged at two ends of the glass fiber pipe, are parts for connecting the hollow composite insulator with equipment and play a role of fixing and supporting; the structure of the conventional hollow composite insulator is shown in the attached drawing 5, the conventional hollow composite insulator adopts a metal mounting flange, a glass fiber pipe and the metal mounting flange are sealed through a sealing ring, the leakage risk of the sealing ring exists, meanwhile, the metal mounting flange and the glass fiber pipe are bonded in a cementing mode or are connected in an interference fit mode, the assembling process is complex, the assembling time is long, the production efficiency is low, in the assembling process, the metal mounting flange easily causes the damage of the glass fiber pipe, more waste products are caused, and the production cost of enterprises is invisibly increased.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an integrated hollow composite insulator of a mounting flange insulation structure, and discloses a manufacturing method thereof, so that the structure of the traditional hollow composite insulator is changed, the mounting flange and a glass fiber pipe are in an integrated molding structure, and the mounting flange and the glass fiber pipe do not have a connection relation and a sealing relation, so that the problem of sealing leakage between the mounting flange and the glass fiber pipe is completely solved, and the more reliable sealing effect is achieved; the mechanical strength of the mounting flange and the glass fiber pipe integrated molding structure is far higher than that of the two traditional cementing structures, so that the hollow composite insulator has better mechanical performance; the product assembly is simpler, and the structure is more reliable, and mounting flange and glass fiber pipe are the same material, do not have other metal parts, need not the assembly between the two, can not cause glass fiber pipe damage, reduce the production of waste product, reduce the manufacturing cost of enterprise.
The technical scheme adopted by the invention is as follows:
the utility model provides a hollow composite insulator of mounting flange insulation system integral type, includes the glass fiber pipe, is formed with mounting flange respectively at the both ends of glass fiber pipe, two mounting flange symmetrical arrangement, and two mounting flanges and glass fiber pipe are integrated into one piece structure, are provided with the full skirt on the glass fiber outside of tubes periphery between two mounting flanges, and it has protruding strip to process on the glass fiber outside of tubes periphery between two mounting flanges, protruding strip spiral is around on the glass fiber outside of tubes periphery, the cross sectional shape of protruding strip is the rectangle.
As a further preferred aspect of the present invention, the shed is a silicone rubber shed.
As a further preferred of the present invention, a plurality of circular grooves are processed on the top of the raised strips.
As a further preference of the present invention, the diameter of the circular groove is less than half the width of the top of the raised strip.
A manufacturing method of an integrated hollow composite insulator with a mounting flange insulation structure comprises the following steps:
(1) Firstly, impregnating epoxy resin with glass fiber, winding the epoxy resin on a die by a winding machine to prepare a glass fiber tube blank, and respectively winding two ends of the glass fiber tube blank to form mounting flange blanks to prepare a semi-finished blank;
(2) Then, the semi-finished blank is cured and molded at high temperature, and the mold is removed by a demolding machine to obtain a cured semi-finished blank;
(3) Processing the cured semi-finished blank by a lathe to obtain an installation flange and a glass fiber tube of an integrated molding structure;
(4) An umbrella skirt is arranged outside the glass fiber tube.
As a further preferable mode of the method, the step (3) further includes machining a convex strip spirally surrounding the glass fiber tube on the outer circumferential surface of the glass fiber tube by a lathe, and machining a plurality of circular grooves on the top of the convex strip.
As a further preferred mode of the method, the umbrella skirt in the step (4) is a silicon rubber umbrella skirt, and is injected and vulcanized on the outer circumferential surface of the glass fiber tube by adopting an integral injection molding process.
The invention has the beneficial effects that: the structure of the traditional hollow composite insulator is changed, so that the mounting flange and the glass fiber tube are in an integrated molding structure, and the mounting flange and the glass fiber tube do not have a connection relation or a sealing relation, thereby completely solving the problem of sealing leakage between the mounting flange and the glass fiber tube and having more reliable sealing effect; the mechanical strength of the mounting flange and the glass fiber pipe integrated molding structure is far higher than that of the traditional cementing structure of the mounting flange and the glass fiber pipe, so that the hollow composite insulator has better mechanical performance; the product assembly is simpler, and the structure is more reliable, and mounting flange and glass fiber pipe are the same material, do not have other metal parts, need not the assembly between the two, can not cause the damage of glass fiber pipe, reduce the production of waste product, reduce the manufacturing cost of enterprise.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a semi-finished blank according to the present invention;
FIG. 3 is a schematic structural diagram of the semi-finished blank of the present invention after being machined by a lathe;
FIG. 4 is a schematic structural view of the present invention when the outer circumferential surface of the glass fiber tube is provided with the projected strips;
fig. 5 is a schematic structural view of a conventional hollow composite insulator;
the main reference numerals in the figures have the following meanings: 1-glass fiber tube, 2-mounting flange, 3-umbrella skirt, 4-protruding strip, 5-round groove, 6-glass fiber tube blank, and 7-mounting flange blank.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1: the embodiment is a hollow composite insulator of mounting flange insulation structure integral type, including glass fiber tube 1, be formed with mounting flange 2 respectively at the both ends of glass fiber tube 1, two mounting flange 2 symmetrical arrangement, and two mounting flange 2 and glass fiber tube 1 are the integrated into one piece structure, are provided with umbrella skirt 3 on the glass fiber tube 1 outer periphery between two mounting flange 2.
The shed 3 in this embodiment is a silicone rubber shed.
As shown in fig. 4, in the present embodiment, the protruding strips 4 are processed on the outer circumferential surface of the glass fiber tube 1 between the two mounting flanges 2; the convex strips 4 are spirally wound on the outer circumferential surface of the glass fiber tube 1; the cross-sectional shape of the protruding strip 4 is rectangular; the top of the protruding strip 4 is provided with a plurality of circular grooves 5; the diameter of the circular groove 5 is less than half of the width of the top of the convex strip 4; in the embodiment, the spirally-surrounding convex strips 4 are processed on the outer circumferential surface of the glass fiber tube 1, and the plurality of circular grooves 5 are processed at the tops of the convex strips 4, so that the structural strength of the glass fiber tube 1 is improved, the contact area and the structural complexity of the contact surface between the silicon rubber umbrella skirt and the outer circumferential surface of the glass fiber tube 1 are increased, the connection adhesive force between the silicon rubber umbrella skirt and the glass fiber tube 1 is increased, and the silicon rubber umbrella skirt and the glass fiber tube 1 are effectively prevented from being relatively displaced or separated under special conditions.
A manufacturing method of an integrated hollow composite insulator with a mounting flange insulation structure comprises the following steps:
(1) Firstly, impregnating epoxy resin with glass fiber, winding the epoxy resin on a die by a winding machine to prepare a glass fiber tube blank 6, and respectively winding two ends of the glass fiber tube blank 6 to form mounting flange blanks 7 to prepare a semi-finished blank as shown in figure 2;
(2) Then, the semi-finished blank is cured and molded at high temperature, and the mold is removed by a demolding machine to obtain a cured semi-finished blank;
(3) The semi-finished blank after curing is processed by a lathe to obtain an installation flange 2 and a glass fiber tube 1 which are integrally molded, as shown in fig. 3;
(4) The umbrella skirt 3 is arranged outside the glass fiber pipe 1.
In the implementation method, the step (3) can also process the convex strips 4 spirally surrounding the glass fiber tube 1 on the outer circumferential surface of the glass fiber tube 1 through a lathe, and a plurality of circular grooves 5 are processed at the tops of the convex strips 4; as shown in fig. 4.
In the implementation method, the umbrella skirt 3 in the step (4) is a silicon rubber umbrella skirt, and is injected and vulcanized on the outer circumferential surface of the glass fiber tube 1 by adopting an integral injection molding process.
The structure of the traditional hollow composite insulator is changed, so that the mounting flange and the glass fiber tube are in an integrated molding structure, and the mounting flange and the glass fiber tube do not have a connection relation or a sealing relation, so that the problem of sealing leakage between the mounting flange and the glass fiber tube is completely solved, and a more reliable sealing effect is achieved; the mechanical strength of the mounting flange and the glass fiber pipe integrated molding structure is far higher than that of the two traditional cementing structures, so that the hollow composite insulator has better mechanical performance; the product assembly is simpler, and the structure is more reliable, and mounting flange and glass fiber pipe are the same material, do not have other metal parts, need not the assembly between the two, can not cause glass fiber pipe damage, reduce the production of waste product, reduce the manufacturing cost of enterprise.
The above description is only a preferred embodiment of the present patent, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the inventive concept, and these modifications and decorations should also be regarded as the protection scope of the present patent.
Claims (2)
1. A hollow composite insulator with an integrated mounting flange insulation structure comprises a glass fiber pipe, mounting flanges are formed at two ends of the glass fiber pipe respectively and are symmetrically arranged, the two mounting flanges and the glass fiber pipe are in an integrated molding structure, and an umbrella skirt is arranged on the outer circumferential surface of the glass fiber pipe between the two mounting flanges;
a plurality of circular grooves are processed at the top of the convex strip;
the diameter of the circular groove is smaller than half of the width of the top of the protruding strip;
the umbrella skirt is a silicon rubber umbrella skirt;
the outer circumferential surface of the glass fiber pipe is provided with the spirally-surrounding convex strip, and the top of the convex strip is provided with a plurality of circular grooves for improving the structural strength of the glass fiber pipe, increasing the contact area and the structural complexity of the contact surface between the silicone rubber umbrella skirt and the outer circumferential surface of the glass fiber pipe, increasing the connection adhesive force between the silicone rubber umbrella skirt and the glass fiber pipe, and preventing the silicone rubber umbrella skirt and the glass fiber pipe from relative displacement or separation;
the manufacturing method of the mounting flange insulation structure integrated hollow composite insulator comprises the following steps:
(1) Firstly, impregnating epoxy resin with glass fiber, winding the epoxy resin on a die by a winding machine to prepare a glass fiber tube blank, and respectively winding two ends of the glass fiber tube blank to form mounting flange blanks to prepare a semi-finished blank;
(2) Then, the semi-finished blank is cured and molded at high temperature, and the mold is removed by a demolding machine to obtain a cured semi-finished blank;
(3) Processing the cured semi-finished blank by a lathe to obtain an installation flange and a glass fiber tube with an integrated molding structure; processing a convex strip spirally surrounding the glass fiber tube on the outer circumferential surface of the glass fiber tube by a lathe, and processing a plurality of circular grooves on the top of the convex strip;
(4) An umbrella skirt is arranged outside the glass fiber pipe; the umbrella skirt is a silicon rubber umbrella skirt and is injected and vulcanized on the outer circumferential surface of the glass fiber tube by adopting an integral injection molding process.
2. The manufacturing method of the mounting flange insulation structure integrated hollow composite insulator is characterized by comprising the following steps of:
(1) Firstly, impregnating epoxy resin with glass fiber, winding the epoxy resin on a die by a winding machine to prepare a glass fiber tube blank, and respectively winding two ends of the glass fiber tube blank to form mounting flange blanks to prepare a semi-finished blank;
(2) Then, the semi-finished blank is cured and molded at high temperature, and the mold is removed by a demolding machine to obtain a cured semi-finished blank;
(3) Processing the cured semi-finished blank by a lathe to obtain an installation flange and a glass fiber tube of an integrated molding structure;
(4) An umbrella skirt is arranged outside the glass fiber pipe;
the step (3) also comprises the steps of processing a convex strip spirally surrounding the glass fiber tube on the outer circumferential surface of the glass fiber tube through a lathe, and processing a plurality of circular grooves on the top of the convex strip;
and (4) the umbrella skirt is a silicon rubber umbrella skirt and is injected and vulcanized on the outer circumferential surface of the glass fiber tube by adopting an integral injection molding process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011083612.3A CN112117067B (en) | 2020-10-12 | 2020-10-12 | Integrated hollow composite insulator with mounting flange insulation structure and manufacturing method |
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| CN202011083612.3A CN112117067B (en) | 2020-10-12 | 2020-10-12 | Integrated hollow composite insulator with mounting flange insulation structure and manufacturing method |
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| CN112117067A CN112117067A (en) | 2020-12-22 |
| CN112117067B true CN112117067B (en) | 2023-01-24 |
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| CN113851285A (en) * | 2021-09-14 | 2021-12-28 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Hollow composite insulator with shielding layer and processing method thereof |
| CN114953285B (en) * | 2022-05-16 | 2024-07-05 | 重庆科新电气有限公司 | Insulator integrated 35kv coil manufacturing die and manufacturing process thereof |
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| US5406033A (en) * | 1992-09-02 | 1995-04-11 | Maclean-Fogg Company | Insulator structure and method of construction |
| JPH11213784A (en) * | 1998-01-21 | 1999-08-06 | Furukawa Electric Co Ltd:The | Composite insulator |
| ATE308106T1 (en) * | 1999-10-07 | 2005-11-15 | Axicom Ag Zweigniederlassung W | METHOD FOR PRODUCING A HOLLOW COMPOSITE INSULATOR |
| CN100421189C (en) * | 2003-09-11 | 2008-09-24 | 马斌 | A composite insulator and method for producing same |
| CN2678078Y (en) * | 2003-12-29 | 2005-02-09 | 武汉高压研究所 | Expriment water terminal insulation pipe for 10-500KV insulated cable |
| CN101000816A (en) * | 2006-01-14 | 2007-07-18 | 南通市神马电力科技有限公司 | Reducing diameter high voltage hollow composite insulator and its manufacturing method |
| CN201936695U (en) * | 2010-12-29 | 2011-08-17 | 河南省电力公司焦作供电公司 | Integral-type insulator |
| CN202134291U (en) * | 2011-06-20 | 2012-02-01 | 中国西电电气股份有限公司 | Novel hollow composite insulator |
| CN105006311A (en) * | 2015-06-29 | 2015-10-28 | 浙江华高科技有限公司 | Intelligent glass fiber winding pipe, preparation method and insulator adopting same |
| CN207637558U (en) * | 2017-12-31 | 2018-07-20 | 浙江金利华电气股份有限公司 | A kind of high-strength suspension glass insulator |
| CN209029170U (en) * | 2018-08-22 | 2019-06-25 | 国网浙江省电力有限公司嘉兴供电公司 | A kind of novel insulator of cross-arm installation |
| CN109494027A (en) * | 2018-12-03 | 2019-03-19 | 醴陵华鑫电瓷科技股份有限公司 | A kind of hollow combined insulator |
| CN110676001B (en) * | 2019-09-20 | 2024-10-11 | 江西华洋电瓷制造有限公司 | Composite material super-multiple umbrella skirt insulator composition and manufacturing method thereof |
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