CN203433910U - Silicon-fluorine composite insulator with failure load being 300KN or 400KN - Google Patents
Silicon-fluorine composite insulator with failure load being 300KN or 400KN Download PDFInfo
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- CN203433910U CN203433910U CN201320344837.9U CN201320344837U CN203433910U CN 203433910 U CN203433910 U CN 203433910U CN 201320344837 U CN201320344837 U CN 201320344837U CN 203433910 U CN203433910 U CN 203433910U
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- insulator
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- fluosilicic
- composite insulator
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- 239000012212 insulator Substances 0.000 title claims abstract description 88
- 239000002131 composite material Substances 0.000 title claims abstract description 21
- VDRSDNINOSAWIV-UHFFFAOYSA-N [F].[Si] Chemical compound [F].[Si] VDRSDNINOSAWIV-UHFFFAOYSA-N 0.000 title abstract 5
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 229920006335 epoxy glue Polymers 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Provided is a silicon-fluorine composite insulator with the failure load being 300KN or 400KN. The silicon-fluorine composite insulator is formed by connecting a plurality of sections of unit insulators. Each section of unit insulator comprises a core rod, a fitting ball socket and a fitting ball head, wherein one end of the core rod is fixedly connected with the fitting ball socket, the other end of the core rod is fixedly connected with the fitting ball head, and a plurality of umbrella skirts are arranged on the outer surface of the core rod. The fitting ball head of one section of unit insulator is connected with the fitting ball socket of an adjacent section of unit insulator. The insulator umbrella skirts arranged on the outer surfaces of the core rods are made of a new material. The silicon-fluorine composite insulator is convenient to transport, install and construct, can be installed in a combined mode into the lengths required by power lines of various voltage classes; only damaged sections of unit insulators need to be replaced and maintenance cost is greatly reduced; the insulator umbrella skirts are made of the new material provided by the utility model and have the advantages of being firm, good in tear resistance and good in tread resistance; the insulator umbrella skirts are resistant to dirt, has good hydrophobic nature and do not need to be protected and cleaned; and the silicon-fluorine composite insulator with the failure load being 300KN or 400KN ensures safe reliability of power supply of a transmission line and is used in ultrahigh-voltage transmission and transformation lines.
Description
Technical field
The utility model relates to the fluosilicic insulator that a kind of mechanical failure load is 300kN or 400KN, for supporting on transmission line and hanging wire, and makes to keep between wire and shaft tower the material of insulation.
Background technology
The existing century-old history of the application of common insulator and glass insulator on transmission line, the history of composite insulator application is not long, but the time of hanging net operation also has 30 years.Can think, the manufacture of insulator and operation technique are relatively ripe, but still are constantly updating and development.Along with the raising of electric pressure, insulator is had higher requirement.Concerning composite insulator, the problems such as mechanical strength, structure, pressure-equalizing device, visual corona, radio interference, Potential distribution and the large electric arc of power frequency need further research.Therefore, improve reliability and the useful life of insulator, its material, formula and full skirt shape need to constantly be explored and be studied.At present, for its length of composite insulator of 750KV transmission line, reached 8.5~9.6 meters, it is integral type structure.The composite insulator of 9.6 meters of take is example, and the composite insulator of 9.6 meters of single length is an integral body, and not only transportation is installed and had difficulty, if a slice full skirt wherein damages, and will be by whole replacing.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide the fluosilicic insulator that a kind of failing load is 300KN, 400KN; This fluosilicic insulator is segmentation structure, and its full skirt is used insulation composition to make, and described insulation composition is submitted patent application on the same day in the utility model.
The implementation of the utility model object is: a kind of failing load is the fluosilicic composite insulator of 300KN, 400KN; It is characterized in that: this fluosilicic insulator is connected to form by multistage unit insulator; Every segment unit insulator comprises plug, hardware fittings ball and socket and hardware ball-head, and one end of plug is fixedly connected with hardware fittings ball and socket, the other end is fixedly connected with hardware ball-head, and mandrel outer surface is provided with a plurality of full skirts; The hardware ball-head of adjacent two segment unit insulators is connected with hardware fittings ball and socket.
The failing load that the utility model provides is the novel insulator of 300kN and 400KN, and for ehv power transmission circuit, its essence characteristic and advantage is:
The first, with multistage unit insulator, connect into the fluosilicic insulator of a failing load 300KN and 400KN, an insulator is combined by multistage unit insulator; This unit merogenesis structure, is convenient to transportation and is also convenient to installation, and unit insulator series connection is used, and installation capable of being combined forms the length that each electric pressure power circuit needs; Only need to change that segment unit insulator damaging, greatly lower maintenance cost;
The second, insulator umbrella adopts the new material of our utility model, with the comparison of existing silicon rubber compound insulator full skirt, has advantages of firm, tear-resistant, resistance to trampling; And this insulator and porcelain, glass insulator comparison, lightweight;
The 3rd, this insulator umbrella resistant is dirty, because insulator umbrella is arranged to the mode that two ends are large, centre two is little, " ice slush-full skirt " air clearance and along ice creepage distance while having increased icing, the flashover breakdown of having avoided upper air current arc blow-out to cause, when insulator series connection is used, full skirt interval is basically identical, the pollution flashover voltage of whole string fluosilicic insulator is improved, possessed stronger hydrophobicity, do not need protection cleaning;
The 4th, the hinged installation of this insulator chain type has reduced power transmission circuit caused by windage angle, has guaranteed the power supply safety reliability of transmission line, is specially adapted to make insulating material in outdoor high-voltage environment.
The mechanical failure load that the fluosilicic insulator umbrella material that provides with the utility model is made is that the fluosilicic insulator technology parameter of 300kN and 400KN is in Table 1.
Model example in table 1: CS400S28B28-400/2200 represents that for AC system, suspension type fluosilicic composite insulator, specified mechanical stretching failing load are that 400kN, upper annex ball-and-socket connect, linkage flag 28, lower annex bulb connect, the fluosilicic composite insulator that linkage flag 28, standard lightning impulse withstand voltage 400kV, nominal creepage distance are 2200mm.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one segment unit fluosilicic insulator;
Fig. 2 is the structural representation that the series connection of the utility model fluosilicic insulator is installed.
In figure: 1-hardware fittings ball and socket, 2-plug, 3-fluosilicic full skirt, 4-hardware ball-head, D1-large full skirt diameter, D2-umbellule skirt diameter, H-unit insulator height, inclination angle, A-full skirt edge, the minimum thickness of a-core bar jacket, b-full skirt edge thickness, the end distance of h-two ends full skirt.
Embodiment
As shown in Figure 2: failing load is the fluosilicic composite insulator of 300KN, 400KN; This fluosilicic insulator connects to form (Figure 2 shows that two segment unit insulators connect) by multistage unit insulator; Referring to Fig. 1: every segment unit insulator comprises plug 2, hardware fittings ball and socket 1 and hardware ball-head 4, and one end of plug 2 is fixedly connected with hardware fittings ball and socket 1, the other end is fixedly connected with hardware ball-head 4, and plug 2 outer surfaces are provided with a plurality of full skirts 3; The hardware ball-head 4 of adjacent two segment unit insulators is connected with hardware fittings ball and socket 1.
Wherein plug 2 is made by glass fibre; Hardware fittings ball and socket 1 and the hardware ball-head 4 at unit insulator two ends are selected 40Mn2 forged steel; The full skirt 3 of the present embodiment unit insulator is four; The full skirt specification at two ends, left and right is identical, diameter is larger, and the full skirt specification of middle two is identical, diameter is less; At the two ends of left and right, establish large full skirt, be provided with two little full skirts between two large full skirts, with umbellule skirt, as interval, insulator umbrella hides gold utensil completely.
The large full skirt diameter D1 of the unit insulator of two kinds of specifications is identical, is 198mm, and the umbellule skirt diameter D2 of the unit insulator of two kinds of specifications is identical, is 164mm; Full skirt edge inclination angle A is 10 °, makes full use of upper air current power, makes dust-laden contain water flow separated rapidly with insulator surface, reaches self-cleaning surface ability; The minimum thickness a of core bar jacket is 6mm, and full skirt edge thickness b is 6mm.
Failing load is that the height H of the unit insulator of 400KN is that the end distance h of 240mm, two ends full skirt is 165mm; Failing load is that the height H of the unit insulator of 300KN is that the end distance h of 205mm, two ends full skirt is 135mm.
The utlity model has following characteristics and advantage:
1, guarantee electromechanical failure load, margin of safety 25~35%.
2, insulator configuration design takes into account electric property and mechanical performance, makes both have optimum performance.
On insulator surface, filthy accumulation is few; Moistening little at insulator surface; Full skirt (dish) is arranged and is creepage than apart from should be at least identical with porcelain, glass insulator, avoided electric arc bridge joint umbrella apart from (rib); Insulator height and suspension type dish type porcelain insulator height at the same level approach, convenient connection and replacing.
3, full skirt has certain degree of hardness, when installing, overhauling, is difficult for trampling on.
4, insulator end hermetically-sealed construction adopts fluosilicic epoxy glue plugging technology: gold utensil termination, plug and sheath epoxy glue are condensed into a whole end connected mode.
Claims (6)
1. the fluosilicic composite insulator that failing load is 300KN, 400KN; It is characterized in that: this fluosilicic insulator is connected to form by multistage unit insulator; Every segment unit insulator comprises plug (2), hardware fittings ball and socket (1) and hardware ball-head (4), one end of plug (2) is fixedly connected with hardware fittings ball and socket (1), the other end is fixedly connected with hardware ball-head (4), and plug (2) outer surface is provided with a plurality of full skirts (3); The hardware ball-head of adjacent two segment unit insulators (4) is connected with hardware fittings ball and socket (1).
2. the fluosilicic composite insulator that a kind of failing load as claimed in claim 1 is 300KN, 400KN; It is characterized in that: the full skirt (3) that plug (2) outer surface is provided with is four; Large full skirt is established at the two ends of left and right, is provided with two little full skirts between two large full skirts.
3. the fluosilicic composite insulator that a kind of failing load as claimed in claim 2 is 300KN, 400KN; It is characterized in that: large full skirt diameter (D1) is 198mm, and umbellule skirt diameter (D2) is 164mm.
4. a kind of failing load as described in claim 1,2 or 3 is the fluosilicic composite insulator of 300KN, 400KN; It is characterized in that: inclination angle, full skirt edge (A) is 10 °; The minimum thickness of core bar jacket (a) is 6mm, and full skirt edge thickness (b) is 6mm.
5. the fluosilicic composite insulator that a kind of failing load as claimed in claim 4 is 300KN, 400KN; It is characterized in that: plug (2) is made by glass fibre; Hardware fittings ball and socket (1) is made of 40Mn2 forged steel with hardware ball-head (4).
6. the fluosilicic composite insulator that a kind of failing load as claimed in claim 5 is 300KN, 400KN; It is characterized in that: the height of the unit insulator that failing load is 400KN (H) is that the end distance (h) of 240mm, two ends full skirt is 165mm; Failing load is that the end distance (h) that the height (H) of the unit insulator of 300KN is 205mm, two ends full skirt is 135mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320344837.9U CN203433910U (en) | 2013-06-17 | 2013-06-17 | Silicon-fluorine composite insulator with failure load being 300KN or 400KN |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320344837.9U CN203433910U (en) | 2013-06-17 | 2013-06-17 | Silicon-fluorine composite insulator with failure load being 300KN or 400KN |
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CN203433910U true CN203433910U (en) | 2014-02-12 |
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CN201320344837.9U Expired - Fee Related CN203433910U (en) | 2013-06-17 | 2013-06-17 | Silicon-fluorine composite insulator with failure load being 300KN or 400KN |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103345987A (en) * | 2013-06-17 | 2013-10-09 | 甘肃省电力公司检修公司 | Silicon-fluorine composite insulator with 300KN or 400KN breaking load |
CN108551141A (en) * | 2018-04-23 | 2018-09-18 | 李宪宝 | Suspension insulator lifts Quick Release folder and installation method |
CN108766681A (en) * | 2018-06-29 | 2018-11-06 | 国网湖南省电力有限公司 | Spherical composite insulator |
-
2013
- 2013-06-17 CN CN201320344837.9U patent/CN203433910U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103345987A (en) * | 2013-06-17 | 2013-10-09 | 甘肃省电力公司检修公司 | Silicon-fluorine composite insulator with 300KN or 400KN breaking load |
CN108551141A (en) * | 2018-04-23 | 2018-09-18 | 李宪宝 | Suspension insulator lifts Quick Release folder and installation method |
CN108766681A (en) * | 2018-06-29 | 2018-11-06 | 国网湖南省电力有限公司 | Spherical composite insulator |
CN108766681B (en) * | 2018-06-29 | 2023-12-12 | 国网湖南省电力有限公司 | Spherical composite insulator |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20190617 |
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CF01 | Termination of patent right due to non-payment of annual fee |