CN102412033A - Flange for insulator and hollow composite insulator provided with same - Google Patents
Flange for insulator and hollow composite insulator provided with same Download PDFInfo
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- CN102412033A CN102412033A CN201010296912XA CN201010296912A CN102412033A CN 102412033 A CN102412033 A CN 102412033A CN 201010296912X A CN201010296912X A CN 201010296912XA CN 201010296912 A CN201010296912 A CN 201010296912A CN 102412033 A CN102412033 A CN 102412033A
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Abstract
A hollow composite insulator comprises an insulting tube, a sheath arranged at the outer side of the insulting tube, at least one umbrella skirt arranged at the outer side of the sheath and a flange for an insulator arranged at least one end of the insulting tube. The flange for the insulator comprises a base, a sleeve connected with the base, at least one reinforcing rib arranged between the base and the sleeve and a plurality of fixing holes arranged on the base. The reinforcing rib comprises a combining edge arranged along the radial direction of the base and connected with the base. The length of the combining edge is equivalent to the distance between the fixing holes and the adjacent outer side wall of the sleeve. The reinforcing rib of the flange is only arranged between the fixing holes and the sleeve, so that while the flange is ensured to have enough intensity, the intensity threshold degree of the flange is reduced. Therefore, not only can the weight of the flange be reduced, but also the materials for the flange can be reduced, so that the cost is reduced.
Description
Technical field
The present invention relates to a kind of electrical circuitry equipment equipment, particularly relate to and a kind ofly be used in a kind of insulator in the power industry High-Voltage Electrical Appliances with flange and have the hollow combined insulator of this flange.
Background technology
Along with the needs of the development of power industry, particularly extra-high voltage electric transmission and transformation, also more and more for the demand of hollow combined insulator.The common outdoor hollow insulator that uses is porcelain insulator, and since porcelain insulator resistant sudden strain of a muscle ability, difficult quality control, easy to be broken in the transportation installation process, and in use, need periodic cleaning, this has brought a lot of inconvenience all for installation and use.For addressing these problems, the electrical circuitry equipment industry has been developed traditional composite hollow insulator.
A traditional multiple hollow insulator generally all comprises an insulated tube, a sheath that is coated on this insulated tube outside, and at least one is coated on the full skirt in this sheath outside, and the flange that is arranged on said insulated tube two ends.These two general structures of flange all are the same, as shown in Figure 1, and this flange 20 all comprises 21, one of pedestals and these pedestal 21 vertical cannula portion that link to each other 22, and a plurality of reinforcement 23 that is arranged between said pedestal 21 and the cannula portion 22.In order to guarantee that this flange 20 has enough intensity, the circumference that this reinforcement 23 combines with pedestal 21 combines the limit all to align with all round edges of pedestal 21.Flange often has very big intensity threshold degree like this, and these intensity threshold degree can strengthen the weight of flange, increases the materials of flange, and then can increase the cost of flange 20.
Summary of the invention
In view of this, be necessary to provide a kind of insulator with proper strength threshold degree with flange and hollow combined insulator with this flange.
A kind of insulator is used flange, and it comprises a pedestal, a sleeve that is connected with this pedestal, and at least one is arranged on the reinforcement between said pedestal and the sleeve, and a plurality of fixing hole that is arranged on the said pedestal.Said reinforcement comprises that a said pedestal in edge radially and the combination limit that links to each other with pedestal.The length on said combination limit and fixing hole are suitable to the distance between the adjacent lateral wall of sleeve.
A kind of hollow combined insulator, it comprises an insulated tube, a sheath that is arranged on the said insulated tube outside, at least one is arranged on the full skirt in the said sheath outside, and the aforesaid insulator that is arranged at least one end of said insulated tube is used flange.
Compared with prior art; The reinforcement of the flange of said hollow combined insulator only is provided with between fixing hole and the cannula portion; This not only when guaranteeing that flange is having enough intensity, has reduced flange and has had intensity threshold degree, and therefore said flange not only can reduce its weight; Can also reduce the flange materials, thereby reduce cost.
Description of drawings
Fig. 1 is a kind of existing flange arrangement sketch map.
Fig. 2 is the structural representation of a kind of hollow combined insulator provided by the invention.
Fig. 3 is the structural representation of the flange of the hollow combined insulator among Fig. 2.
Fig. 4 is that flange among Fig. 3 is along the structural representation of IV-IV line.
Embodiment
For the present invention is done explanation further, lift a preferred embodiment and conjunction with figs. and specify as follows:
See also Fig. 2 and Fig. 3, it is the structural representation of a kind of hollow combined insulator 100 provided by the present invention.Said hollow combined insulator 100 comprises that 10, one of insulated tubes are coated on the sheath 11 in these insulated tube 10 outsides, and at least one is arranged on the full skirt group 12 in said sheath 11 outsides, and two two flanges 13 that are arranged on said insulated tube 10 two ends.
Said insulated tube 10 is the winding glass fibre reinforced plastic of a hollow-core construction, and it is composited by glass fiber yarn and the basis material as reinforcing material.Said basis material can be epoxy resin, vinyl ester resin, or polyurethane resin.In the present embodiment, said basis material is an epoxy resin.Twine in the forming process of expoxy glass steel pipe at this, epoxy resin adhesive liquid meeting and glass fiber yarn form epoxy resin cured product through a series of physicochemical change.Simultaneously; This epoxy resin cured product forms the boundary layer of structure and superior performance between epoxy resin adhesive liquid and glass fiber yarn; This boundary layer is combined into an integral body to glass fiber yarn and epoxide-resin glue, makes the insulated tube of being processed by this epoxy resin and glass fiber yarn 10 have favorable mechanical performance and electric property.Said glass fiber yarn can be the uninterrupted organdy of alkali-free, and this glass fiber yarn accounts for 70%～80% of insulated tube 10 total weights, and in the present embodiment, glass fiber yarn accounts for 78% of insulated tube 10 total weights.Said insulated tube 10 comprises a high-pressure side that is connected with high-voltage line 101, and an equipment end 102 that links to each other with equipment (figure does not show).Said high-pressure side 101 is used for connecting the high-voltage line of power transmission and transformation line, and the equipment to realize being connected with equipment end 102 is electrical connected like devices such as circuit breaker, lightning arrester, switches.Said equipment end 102 can be fixed on this hollow combined insulator 100 on the said equipment.
Said sheath 11 and full skirt 12 all are coated on the said insulated tube 10 by the high-temperature silicon disulfide rubber integral injection molding, and wherein sheath 11 is arranged between insulated tube 10 and the full skirt 12.What certainly expect is that said sheath 11 also can be processed respectively with full skirt 12, and then combines.Said sheath 11 is coated on the whole insulated tube 10, and can have that part sheath 11 is coated on, on second flange 13,14.What certainly expect is that two ends of this sheath 11 can also be embedded between this first, second flange 13,14 and insulated tube 10.This high-temperature silicon disulfide rubber is that the polysiloxane (being rubber) of HMW (molecular weight is generally 40～800,000) adds reinforced filling and other various additives; The employing organic peroxide is a vulcanizing agent; And a kind of rubber of becoming of interlinkage at high temperature, this rubber abbreviates silicon rubber as.The reinforced filling of high-temperature silicon disulfide rubber can be white carbon, and it can make the intensity of vulcanizate increase by ten times.Add various additives and mainly be the cost that reduces glue, improve properties of rubber and give the various properties of vulcanizate such as fire-retardant, conduction etc.In the present embodiment; Said high-temperature silicon disulfide rubber includes with the lower part to be formed: methyl vinyl silicone rubber, white carbon, aluminium hydroxide, silicone oil and vulcanizing agent etc.; And the shared weight ratio of said each component is: methyl vinyl silicone rubber 20%～50%, white carbon 10～50%, aluminium hydroxide 15～50%; Silicone oil 2～5%, vulcanizing agent 1%.
Said full skirt 12 comprises 121, one second full skirts 122 that are provided with at interval with first full skirt 121 of at least one first full skirt.Said first full skirt 121, second full skirt 122 have different skirts long, and for example the skirt of first full skirt 121 is grown up long in the skirt of second full skirt 122.Certainly be also contemplated that said full skirt 12 is not limited to include only described first, second full skirt 121,122, can also comprise more a plurality of skirts little different full skirt of growing up.And the arrangement mode of this first, second full skirt 121,122 also is not limited to above-mentioned arrangement mode, and other arrangement mode arbitrarily can be arranged.The inclined angle alpha of the upper surface of first full skirt 121 is 8 °, and the lower surface angle of inclination beta is 5 °.The inclination angle of the upper and lower surfaces of said second full skirt 122 can be identical with the inclination angle of first full skirt 121.The inclination angle of the upper and lower surfaces of said first, second full skirt 121,122 is controlled at certain limit; Help improving the self-cleaning of each full skirt; And the long proportional control of the skirt of first, second full skirt 121,122 helps avoiding the bridge network between the adjacent full skirt under the condition of drenching with rain in certain scope.It is understandable that said composite hollow insulator 100 can comprise a plurality of full skirts 12, also can only have one.When said composite hollow insulator 100 comprised a plurality of full skirt 12, these a plurality of full skirts 12 can be one-body molded, also can distinguish moulding, is bonded in the outside of sheath 11 then through viscose glue.
Please consult Fig. 3 and 4 in the lump; Said flange 13 is arranged on the said insulated tube 10; It comprises a pedestal 131; End that is arranged at pedestal 131 and with these pedestal 131 vertical cannula portion that link to each other 132, at least one is arranged on the reinforcement 133 between said pedestal 131 and the cannula portion 132, and a plurality of fixing hole 134 that is arranged on the said pedestal 131.Said pedestal 131 also can be one-body molded with cannula portion 132, and also can be fixed through methods such as welding links together.Said reinforcement 133 is used for strengthening the intensity of said flange 13, breaks away to avoid said pedestal 131 and said cannula portion 132.Said fixing hole 134 is used for said hollow combined insulator 100 is connected with on other equipment, like lightning arrester, and switch etc.Said reinforcement 133 comprises a said pedestal 131 in edge radially and the combination limit 135 that combines with pedestal 131, and this combines the length D on limit 135 suitable with the distance that fixing hole 134 arrives between the adjacent lateral wall of sleeve 132.In the present embodiment, the length on said combination limit 135 equal fixing hole 134 the center to the distance between the adjacent lateral wall of sleeve 132.Through test, the flange 13 with reinforcement 133 of said structure can reach the intensity of said hollow combined insulator 100 needed flanges 13 fully.
Compared with prior art, the reinforcement of said flange only is provided with between fixing hole and the cannula portion, and this not only when guaranteeing that flange is having enough intensity, has reduced flange and had intensity threshold degree.Therefore said flange not only can reduce its weight, can also reduce the flange materials, thereby reduce cost.
In addition, those skilled in the art can also do other variation in the spirit of the present invention, as long as it does not depart from technique effect of the present invention, all should be included in the invention scope required for protection.
Claims (10)
1. an insulator is used flange; It comprises a pedestal; A sleeve that is connected with this pedestal, at least one is arranged on the reinforcement between said pedestal and the sleeve, and a plurality of fixing hole that is arranged on the said pedestal; Said reinforcement comprises a said pedestal in edge radially and the combination limit that links to each other with pedestal, and it is characterized in that: the length on said combination limit and fixing hole are suitable to the distance between the adjacent lateral wall of sleeve.
2. insulator as claimed in claim 1 is used flange, it is characterized in that: said insulator is processed by aluminium alloy with flange.
3. insulator as claimed in claim 1 is used flange, it is characterized in that: the length on said combination limit and the center of fixing hole are suitable to the distance between the lateral wall of sleeve.
4. insulator as claimed in claim 1 is used flange, it is characterized in that: the length on said combination limit and fixed edge are suitable to the beeline between the lateral wall of sleeve.
5. insulator as claimed in claim 1 is used flange, it is characterized in that: the length on said combination limit and fixed edge are suitable to the ultimate range between the lateral wall of sleeve.
6. hollow combined insulator; It comprises an insulated tube; A sheath that is arranged on the said insulated tube outside, at least one is arranged on the full skirt in the said sheath outside, and be arranged at least one end of said insulated tube use flange like each described insulator of claim 1 to 5.
7. hollow combined insulator as claimed in claim 6 is characterized in that: said sheath and full skirt are processed by high-temperature vulcanized silicon, said sheath and full skirt integral injection molding.
8. hollow combined insulator as claimed in claim 6 is characterized in that: said insulated tube is processed by glass fiber yarn and the basis material that is immersed in this glass fiber yarn.
9. hollow combined insulator as claimed in claim 6 is characterized in that: said glass fiber yarn is the uninterrupted silvalin of alkali-free.
10. hollow combined insulator as claimed in claim 6 is characterized in that: said basis material is epoxy resin or vinyl ester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010296912XA CN102412033A (en) | 2010-09-18 | 2010-09-18 | Flange for insulator and hollow composite insulator provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010296912XA CN102412033A (en) | 2010-09-18 | 2010-09-18 | Flange for insulator and hollow composite insulator provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102412033A true CN102412033A (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010296912XA Pending CN102412033A (en) | 2010-09-18 | 2010-09-18 | Flange for insulator and hollow composite insulator provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102412033A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982921A (en) * | 2012-10-27 | 2013-03-20 | 江苏神马电力股份有限公司 | Tool for fixing flange of hollow composite insulator for 2250-kilovolt outdoor power frequency experiment |
| CN113007585A (en) * | 2021-02-08 | 2021-06-22 | 中国科学院云南天文台 | Cylinder structure and method for improving bending rigidity of cylinder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001067960A (en) * | 1999-08-30 | 2001-03-16 | Fuji Electric Co Ltd | Insulating spacer for supporting electric line |
| CN201340766Y (en) * | 2008-12-05 | 2009-11-04 | 南方电网技术研究中心 | Flange for ultra-high voltage post composite insulator |
| CN201877229U (en) * | 2010-09-18 | 2011-06-22 | 南通市神马电力科技有限公司 | Flange for insulator and hollow composite insulator with same |
-
2010
- 2010-09-18 CN CN201010296912XA patent/CN102412033A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001067960A (en) * | 1999-08-30 | 2001-03-16 | Fuji Electric Co Ltd | Insulating spacer for supporting electric line |
| CN201340766Y (en) * | 2008-12-05 | 2009-11-04 | 南方电网技术研究中心 | Flange for ultra-high voltage post composite insulator |
| CN201877229U (en) * | 2010-09-18 | 2011-06-22 | 南通市神马电力科技有限公司 | Flange for insulator and hollow composite insulator with same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982921A (en) * | 2012-10-27 | 2013-03-20 | 江苏神马电力股份有限公司 | Tool for fixing flange of hollow composite insulator for 2250-kilovolt outdoor power frequency experiment |
| CN113007585A (en) * | 2021-02-08 | 2021-06-22 | 中国科学院云南天文台 | Cylinder structure and method for improving bending rigidity of cylinder |
| CN113007585B (en) * | 2021-02-08 | 2023-02-28 | 中国科学院云南天文台 | Cylinder structure and method for improving bending rigidity of cylinder |
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Application publication date: 20120411 |