CN113035469A - Anti-aging insulator and preparation method thereof - Google Patents
Anti-aging insulator and preparation method thereof Download PDFInfo
- Publication number
- CN113035469A CN113035469A CN201911344598.5A CN201911344598A CN113035469A CN 113035469 A CN113035469 A CN 113035469A CN 201911344598 A CN201911344598 A CN 201911344598A CN 113035469 A CN113035469 A CN 113035469A
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- China
- Prior art keywords
- core rod
- insulator
- aging
- bolt part
- connecting ring
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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
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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
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
-
- 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
Abstract
The application provides an anti-aging insulator which comprises a first hardware fitting, a connecting ring, a mandrel, a grading ring and a second hardware fitting which are sequentially connected; an umbrella skirt is arranged between the two ends of the core rod; when the connecting ring is connected with the core rod, the locking bolt part is positioned in the locking cavity, the protective sleeve is sleeved outside the core rod, and a groove matched with the fastening bulge is formed in the protective sleeve. When the anti-aging umbrella is used, the umbrella skirt is arranged between the two ends of the core rod, so that the core rod between the two ends cannot be directly irradiated by ultraviolet rays and cannot be polluted by the atmospheric environment, and the section has certain anti-aging capacity. Besides, this application has still set up the go-between, and the go-between includes first bolt portion, locking bolt portion and protective sheath, and the installation back, the protective sheath of go-between can overlap at the tip of plug for the plug of this section of protection is ageing, therefore the ageing resistance insulator of this application has good ageing resistance, has ensured its life-span that can use for a long time.
Description
Technical Field
The application belongs to the field of insulator equipment, and particularly relates to an anti-aging insulator and a preparation method thereof.
Background
The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical loading conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line.
The insulator can be divided into a suspension insulator and a post insulator according to different installation modes; according to the difference of the used insulating materials, the insulator can be divided into a porcelain insulator, a glass insulator and a composite insulator (also called a composite insulator); according to different use voltage grades, the insulator can be divided into a low-voltage insulator and a high-voltage insulator; according to different use environmental conditions, deriving a pollution-resistant insulator used in a polluted area; according to different types of the used voltage, deriving a direct current insulator; there are various insulators for special purposes such as insulating cross arms, semi-conductor glaze insulators, tension insulators for power distribution, bobbin insulators, and wiring insulators.
The composite insulator consists of three parts, including umbrella disc, core rod and metal end, and is used in line of 11OkV or over voltage level. The core rod of the composite insulator is made of an epoxy glass fiber rod, has high tensile strength which is about 2 times that of common steel and about 3 times that of high-strength porcelain, and has good insulating property, vibration damping property, creep resistance and fatigue fracture resistance. However, the core rod of the composite insulator has poor aging resistance compared with the ceramic, which results in a short service life of the composite insulator.
Content of application
Aiming at the defects of the prior art, the invention provides the anti-aging insulator and the preparation method thereof, so as to improve the anti-aging capability of the prior insulator and prolong the service life of the prior insulator.
An anti-aging insulator comprises a first hardware fitting, a connecting ring, a mandrel, a grading ring and a second hardware fitting which are sequentially connected;
an umbrella skirt is arranged between the two ends of the core rod;
the connecting ring comprises a first bolt part, a locking bolt part and a protective sleeve, wherein the first bolt part and the locking bolt part are made of metal, and the protective sleeve is made of polytetrafluoroethylene;
fastening bulges are arranged on the periphery of the outer side of the core rod, a locking cavity is arranged at the top of the core rod, and the axis of the locking cavity is overlapped with the axis of the core rod;
the locking bolt part is an expansion bolt hole, when the connecting ring is connected with the core rod, the locking bolt part is positioned in the locking cavity, the protective sleeve is sleeved on the outer side of the core rod, and a groove matched with the fastening bulge is formed in the protective sleeve.
Preferably, a silica gel pad is further arranged between the first bolt part and the locking cavity.
Preferably, the core rod is made of epoxy glass fiber polyester.
Preferably, the umbrella skirt is made of silicon rubber.
Preferably, the surface of the umbrella skirt is provided with a polytetrafluoroethylene protective layer.
A method for preparing an anti-aging insulator, wherein the insulator in the method comprises any one of the anti-aging insulators;
firstly, fixedly mounting a shed on the core rod;
secondly, soaking the core rod and the umbrella skirt in the first step into the polytetrafluoroethylene emulsion, and then heating and curing;
thirdly, turning the end part of the core rod out of the locking cavity by using a lathe;
and fourthly, installing the first hardware fitting, the connecting ring, the equalizing ring and the second hardware fitting in place to obtain the anti-aging insulator.
According to the scheme, the anti-aging insulator comprises a first hardware fitting, a connecting ring, a mandrel, a grading ring and a second hardware fitting which are sequentially connected; an umbrella skirt is arranged between the two ends of the core rod; the connecting ring comprises a first bolt part, a locking bolt part and a protective sleeve, wherein the first bolt part and the locking bolt part are made of metal, and the protective sleeve is made of polytetrafluoroethylene; fastening bulges are arranged on the periphery of the outer side of the core rod, a locking cavity is arranged at the top of the core rod, and the axis of the locking cavity is overlapped with the axis of the core rod; the locking bolt part is an expansion bolt hole, when the connecting ring is connected with the core rod, the locking bolt part is positioned in the locking cavity, the protective sleeve is sleeved on the outer side of the core rod, and a groove matched with the fastening bulge is formed in the protective sleeve.
When the anti-aging umbrella is used, the umbrella skirt is arranged between the two ends of the core rod, so that the core rod between the two ends cannot be directly irradiated by ultraviolet rays and cannot be polluted by the atmospheric environment, and the section has certain anti-aging capacity. Besides, because the plug does not have the protection of full skirt in first gold utensil department, this department is ageing easily, and consequently this application has set up the go-between, the go-between includes first bolt portion, locking bolt portion and protective sheath, and the installation back, the protective sheath of go-between can overlap the tip of plug for the plug of this section is ageing, consequently the ageing resistance insulator of this application has good ageing resistance, has ensured its life-span that can use for a long time.
Drawings
Fig. 1 is a schematic structural diagram of an anti-aging insulator according to the present application;
fig. 2 is a schematic view of an assembly structure of the connecting ring and the mandrel according to the present application.
Detailed Description
The technical solutions in the embodiments shown in the present application will be clearly and completely described below with reference to the drawings in the embodiments shown in the present application.
Referring to the schematic diagrams shown in fig. 1 to 2, an anti-aging insulator includes a first hardware 1, a connecting ring 2, a mandrel 3, a grading ring 5, and a second hardware 6, which are connected in sequence; an umbrella skirt 4 is arranged between the two ends of the core rod 3; the connecting ring 2 comprises a first bolt part 21, a locking bolt part 22 and a protective sleeve 23, wherein the first bolt part 21 and the locking bolt part 22 are made of metal, and the protective sleeve 23 is made of polytetrafluoroethylene; fastening protrusions 31 are arranged on the periphery of the outer side of the core rod 3, a locking cavity 32 is arranged at the top of the core rod 3, and the axis of the locking cavity 32 is overlapped with the axis of the core rod 3; the locking bolt part 22 is an expansion bolt hole, when the connecting ring 2 is connected with the mandrel 3, the locking bolt part 22 is located in the locking cavity 32, the protective sleeve 23 is sleeved on the outer side of the mandrel 3, and a groove matched with the fastening protrusion 31 is formed in the protective sleeve 23.
When in use, the umbrella skirt 4 is arranged between the two ends of the core rod 3, so that the core rod 3 between the two ends cannot be directly irradiated by ultraviolet rays and cannot be polluted by the atmospheric environment, and the section has certain anti-aging capability. Besides, because the core rod 3 does not have the protection of the shed 4 at the first hardware fitting 1, the part is easy to age, so the connecting ring 2 is arranged in the application, the connecting ring 2 comprises a first bolt part 21, a locking bolt part 22 and a protective sleeve 23, and after the installation, the protective sleeve 23 of the connecting ring 2 is sleeved at the end part of the core rod 3 to protect the core rod 3 at the section from aging. And the polytetrafluoroethylene has excellent comprehensive performance, high temperature resistance, corrosion resistance, non-sticking, self-lubricating property, excellent dielectric property, very low friction coefficient and excellent aging resistance.
A silica gel pad 7 is further arranged between the first bolt part 21 and the locking cavity 32. The silica gel pad 7 can prevent the connecting ring 2 from severely rubbing against the end of the mandrel 3, so that the anti-aging layer provided on the mandrel 3 is worn away.
The core rod 3 is made of epoxy glass fiber polyester, has high tensile strength which is 2 times of that of common steel and 3 times of that of high-strength porcelain. The umbrella skirt 4 is made of silicon rubber and has good water binding performance, and water is in the shape of beads on the surface of the umbrella disk and cannot form a discharge path. The surface of the umbrella skirt 4 is provided with a polytetrafluoroethylene protective layer, and the polytetrafluoroethylene can further improve the ageing resistance of the umbrella skirt 4.
A method for preparing an anti-aging insulator, wherein the insulator in the method comprises any one of the anti-aging insulators;
firstly, fixedly mounting a shed 4 on a core rod 3;
secondly, soaking the core rod 3 and the umbrella skirt 4 in the first step into the polytetrafluoroethylene emulsion, and then heating and curing;
thirdly, turning the end part of the core rod 3 out of the locking cavity 32 by using a lathe;
and fourthly, installing the first hardware fitting 1, the connecting ring 2, the equalizing ring 5 and the second hardware fitting 6 in place to obtain the anti-aging insulator.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (6)
1. The anti-aging insulator is characterized by comprising a first hardware fitting (1), a connecting ring (2), a mandrel (3), a grading ring (5) and a second hardware fitting (6) which are sequentially connected;
an umbrella skirt (4) is arranged between the two ends of the core rod (3);
the connecting ring (2) comprises a first bolt part (21), a locking bolt part (22) and a protective sleeve (23), wherein the first bolt part (21) and the locking bolt part (22) are made of metal, and the protective sleeve (23) is made of polytetrafluoroethylene;
fastening bulges (31) are arranged on the periphery of the outer side of the core rod (3), a locking cavity (32) is arranged at the top of the core rod (3), and the axis of the locking cavity (32) is overlapped with the axis of the core rod (3);
the locking bolt part (22) is an expansion bolt hole, when the connecting ring (2) is connected with the mandrel (3), the locking bolt part (22) is located in the locking cavity (32), the protective sleeve (23) is sleeved on the outer side of the mandrel (3), and a groove matched with the fastening bulge (31) is formed in the protective sleeve (23).
2. The anti-aging insulator according to claim 1, wherein a silicone gasket (7) is further arranged between the first bolt portion (21) and the locking cavity (32).
3. The anti-aging insulator according to claim 2, characterized in that the core rod (3) is made of epoxy glass fiber polyester.
4. The anti-aging insulator according to claim 3, wherein the shed (4) is made of silicon rubber.
5. The anti-aging insulator according to any one of claims 1 to 4, characterized in that a polytetrafluoroethylene protective layer is arranged on the surface of the shed (4).
6. A method for preparing an anti-aging insulator is characterized in that the insulator in the method comprises the anti-aging insulator of any one of claims 1-5;
firstly, fixedly mounting a shed (4) on a core rod (3);
secondly, soaking the core rod (3) and the umbrella skirt (4) in the first step into the polytetrafluoroethylene emulsion, and then heating and curing;
thirdly, turning the end part of the core rod (3) out of the locking cavity (32) by a lathe;
and fourthly, installing the first hardware fitting (1), the connecting ring (2), the equalizing ring (5) and the second hardware fitting (6) in place to obtain the anti-aging insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344598.5A CN113035469A (en) | 2019-12-24 | 2019-12-24 | Anti-aging insulator and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344598.5A CN113035469A (en) | 2019-12-24 | 2019-12-24 | Anti-aging insulator and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113035469A true CN113035469A (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344598.5A Pending CN113035469A (en) | 2019-12-24 | 2019-12-24 | Anti-aging insulator and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09270213A (en) * | 1996-04-01 | 1997-10-14 | Kansai Electric Power Co Inc:The | Composite insulator |
| CN101004960A (en) * | 2006-01-16 | 2007-07-25 | 广州市时代橡塑实业有限公司 | Connection method for insulator end fitting and insulator |
| CN102122551A (en) * | 2010-01-07 | 2011-07-13 | 南通市神马电力科技有限公司 | Composite insulator |
| CN108461233A (en) * | 2018-04-13 | 2018-08-28 | 李秋烨 | A kind of high-strength composite insulator |
-
2019
- 2019-12-24 CN CN201911344598.5A patent/CN113035469A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09270213A (en) * | 1996-04-01 | 1997-10-14 | Kansai Electric Power Co Inc:The | Composite insulator |
| CN101004960A (en) * | 2006-01-16 | 2007-07-25 | 广州市时代橡塑实业有限公司 | Connection method for insulator end fitting and insulator |
| CN102122551A (en) * | 2010-01-07 | 2011-07-13 | 南通市神马电力科技有限公司 | Composite insulator |
| CN108461233A (en) * | 2018-04-13 | 2018-08-28 | 李秋烨 | A kind of high-strength composite insulator |
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Application publication date: 20210625 |
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