CN203659541U - Three umbrella-type suspension insulator string applied to converter station - Google Patents
Three umbrella-type suspension insulator string applied to converter station Download PDFInfo
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- CN203659541U CN203659541U CN201420046730.0U CN201420046730U CN203659541U CN 203659541 U CN203659541 U CN 203659541U CN 201420046730 U CN201420046730 U CN 201420046730U CN 203659541 U CN203659541 U CN 203659541U
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- insulator
- umbellate form
- form suspension
- suspension insulator
- current conversion
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- 239000012212 insulator Substances 0.000 title claims abstract description 100
- 239000000725 suspension Substances 0.000 title claims abstract description 63
- 238000006243 chemical reaction Methods 0.000 claims description 37
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 18
- 239000010931 gold Substances 0.000 claims description 18
- 229910052737 gold Inorganic materials 0.000 claims description 18
- 239000012211 strain insulator Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a three umbrella-type suspension insulator string applied to a converter station, comprising insulator sheet sets and connection fittings, wherein each insulator sheet set is formed by a plurality of insulator sheets in series connection, and the insulator sheets are three umbrella-type suspension insulator sheets. One end of the insulator sheet set is connected to a converter station framework through the connection fittings, and the other end is in connection with leads through the connection fittings. The three umbrella-type suspension insulator string applied to a converter station has a large single sheet creep distance, and needs less insulator sheets under a same voltage class so as to substantially reduce the total length of the insulator string. Meanwhile when the three umbrella-type suspension insulator string is applied to the conflux bus in a converter station, the tension of the conflux bus can be substantially reduced and a framework can be optimized; and when the three umbrella-type suspension insulator string is applied to the Ac filter bus in the converter station, enough wiring space can be left for the downlead of an edge phase and three-phase downlead is tidy and beautiful.
Description
Technical field
The utility model relates to power transmission engineering field, is specifically related to a kind of insulator string being applied in current conversion station.
Background technology
Along with socioeconomic fast development, to the demand of electricity consumption also rapid growth, but primary energy skewness and distant, passway for transmitting electricity land used is more and more nervous.± 800KV extra high voltage direct current transmission line for this reason, improves transmission line capability, builds the more particularly extra high voltage direct current transmission line of power transmission line of voltage levels, as will be a kind of new solution as backbone network for long distance power transmission.
In built ± 800KV current conversion station, it is two umbellate form suspension insulators that the structure that hangs wire is used comparatively general, when but two umbellate form suspension insulators are applied to current conversion station, be greater than certain numerical value owing to will making creep distance and dry arc distance satisfy condition, therefore need the quantity of two umbellate form suspension insulators relatively many, load is relatively large, and insulator sheet group is long, make structural configuration aspect bring problem, architecture design difficulty.Two umbellate form suspension insulators are applied the problems such as bus tension force is large, architecture design is difficult that exist on the bus rod of current conversion station.Meanwhile, two umbellate form suspension insulators are applied the problems such as downlead wiring space deficiency, the three-phase downlead of the limit phase existing on bus be irregular and not attractive in appearance on the alternating current filter of current conversion station.
Utility model content
The purpose of this utility model is to provide a kind of three umbellate form suspension insulator strings that are applied in current conversion station.
For achieving the above object, the utility model provides a kind of three umbellate form suspension insulator strings that are applied in current conversion station, it is characterized in that, described insulator string comprises insulator sheet group and be connected gold utensil, wherein,
Described insulator sheet group is connected in series and forms mutually by multiple insulator sheets, and described insulator sheet is three umbellate form suspension insulator sheets;
One end of described insulator sheet group is connected on current conversion station framework by described connection gold utensil, and the other end of described insulator sheet group is connected with wire by described connection gold utensil.
Preferably, three umbellate form suspension insulator string one end can be connected in the framework of current conversion station, and the other end can be connected in the bus rod of current conversion station.
Preferably, three umbellate form suspension insulator strings are composed in parallel by two groups of insulator sheet groups, and two groups of insulator sheet groups are made up of three umbellate form suspension insulator sheets of equal number and same model.
Preferably, connection gold utensil in three umbellate form suspension insulator strings can comprise U-shaped link, ball-eye, yoke plate and Z-type link plate, wherein, one end of this yoke plate is connected to current conversion station framework by U-shaped link, and the other end of this yoke plate is connected with two insulator sheet groups with ball-eye via two pairs of Z-type link plates.
Preferably, connection gold utensil in three umbellate form suspension insulator strings can comprise a bowl bulb hanging ring, yoke plate, U-shaped link, Z-type link plate, adjust plate, strain clamp and bracing frame, wherein, this yoke plate one end is connected to insulator sheet group by bowl bulb hanging ring, this yoke plate other end is connected and is adjusted after plate by two pairs of Z-type link plates, be connected to strain clamp by U-shaped link again, bracing frame connects upper and lower two yoke plates.
Preferably, three umbellate form suspension insulator string one end are connected in the framework of current conversion station, the other end be connected with current conversion station filter bus.
Preferably, three umbellate form suspension insulator strings can comprise one group of insulator sheet group, and insulator sheet group is made up of three umbellate form suspension insulator sheets of multiple same model.
Preferably, connect gold utensil and can comprise U-shaped link, ball-eye, socket-clevis eye, yoke plate and Z-type link plate, wherein, one end of ball-eye is connected to current conversion station framework by U-shaped link, the other end connecting insulator sheet group of ball-eye; And one end of this yoke plate is connected to insulator sheet group via U-shaped link and socket-clevis eye, two pairs of Z-type link plates of other end connection of this yoke plate.
The three umbellate form suspension insulator strings that are applied in current conversion station of the present utility model, monolithic creep distance is large, and under identical electric pressure, required insulator sheet number is few, and insulator string overall length can significantly reduce.When simultaneously three umbellate form suspension insulator strings of the present utility model are applied in current conversion station on bus rod, can significantly reduce bus rod tension force, optimize frame design.When three umbellate form suspension insulator strings of the present utility model are applied in current conversion station on alternating current filter bus, reserve enough wiring spaces can to the downlead of limit phase, make three-phase downlead neat, attractive in appearance.
Brief description of the drawings
Fig. 1 is according to the front view of the three umbellate form suspension type strain insulator strings that are applied to two string four line structures that hang quadrifid bus rod in current conversion station of the present utility model.
Fig. 2 is according to the upward view of the three umbellate form suspension type strain insulator strings that are applied to two string four line structures that hang quadrifid bus rod in current conversion station of the present utility model.
Fig. 3 is according to the upward view of three umbellate form suspension type strain insulator strings of the single string double structure that is applied to the filter bus that hangs two divisions in current conversion station of the present utility model.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is elaborated, understands the purpose of this utility model, feature and advantage so that clearer.It should be understood that embodiment shown in the drawings is not the restriction to the utility model scope, and just for the connotation of technical solutions of the utility model is described.
Fig. 1 and Fig. 2 illustrate according to the structural representation of the three umbellate form suspension type strain insulator strings that are applied to two string four line structures that hang quadrifid bus rod in current conversion station of the present utility model.As depicted in figs. 1 and 2, the three umbellate form suspension type strain insulator strings that are applied to two string four line structures that hang quadrifid bus rod in current conversion station of the present utility model comprise three umbellate form suspension insulator sheet groups 50 and are connected gold utensil, connect gold utensil and can adopt any suitable member composition known in the art.In the present embodiment, connect gold utensil and comprise U-shaped link 1, yoke plate 2, Z-type link plate 3, ball-eye 4, bowl bulb hanging ring 6, adjust version 7, all press shading ring 8, bracing frame 9 and strain clamp 10.In the present embodiment, be applied to the three umbellate form suspension type strain insulator strings that hang quadrifid bus rod in current conversion station and composed in parallel by two three umbellate form suspension insulator sheet groups 50, wherein each suspension insulator sheet group 50 for example, is connected to form by multiple (28) three umbellate form suspension insulator sheets 5.
As depicted in figs. 1 and 2, the left end of two suspension insulator sheet groups 50 is connected with ball-eye 4 respectively, and ball-eye 4 is connected with Z-type link plate 3 by bolt, and Z-type link plate 3 is bolted two the symmetrical hole places up and down at yoke plate 2 right parts.The left part of yoke plate 2 is connected to the framework (not shown) of current conversion station by two U-shaped links 1.
The right-hand member of each three umbellate form suspension insulator sheet groups 50 is connected with bowl bulb hanging ring 6 respectively, and bowl bulb hanging ring 6 is bolted in the left end of another yoke plate 2, and this another yoke plate 2 is bolted at two holes place and the Z-type link plate 3 of its right-hand member.Z-type link plate 3 is connected to each other by bolt with adjustment plate 7.Adjust plate 7 and be provided with multiple adjustment holes, for adjusting different distance, strain clamp 10 is connected in one of adjustment hole as required by U-shaped link.Bracing frame 9 is connected between two yoke plates 2, and grading ring 8 is connected in bracing frame 9.Wire is fixing by strain clamp 10.
Fig. 3 illustrates according to the structural representation of three umbellate form suspension type strain insulator strings of the single string double structure that is applied to the alternating current filter bus that hangs two divisions in current conversion station of the present utility model.As shown in Figure 3, three umbellate form suspension type strain insulator strings of the single string double structure that is applied to the alternating current filter bus that hangs two divisions in current conversion station of the present utility model comprise three umbellate form suspension insulator sheet groups 50 and are connected gold utensil, connect gold utensil and can adopt any suitable member composition known in the art.In the present embodiment, this connection gold utensil comprises U-shaped link 1, yoke plate 2, Z-type link plate 3, ball-eye 4, all presses shading ring 8 and socket-clevis eye 11.Wherein suspension insulator sheet group 50 for example, is connected to form by multiple (28) suspension insulator sheet 5.
As shown in Figure 3, the right-hand member of suspension insulator sheet group 50 is connected with ball-eye 4, and ball-eye 4 is connected to framework by two U-shaped links 1.The left end of suspension insulator sheet group 50 is connected with socket-clevis eye 11, and socket-clevis eye 11 is connected with U-shaped link 1 by bolt, and U-shaped link 1 is connected at yoke plate 2 right parts and connection hole placed in the middle by bolt and yoke plate 2.Yoke plate 2 is bolted with two Z-type link plates 3 respectively in two connection holes that lay respectively at upper left and lower-left of its left part.Wire is fixing by described Z-type link plate 3 respectively.All press shading ring 8 to be connected in yoke plate 2.
Compared with prior art, the utlity model has following major advantage:
(1) three umbellate form insulator monolithic creep distance is large, and under identical electric pressure, required insulator sheet number is few, and insulator string overall length can significantly reduce.
(2) three umbellate form insulators are applied in current conversion station on bus rod, can significantly reduce bus rod tension force, optimize frame design.
(3) three umbellate form insulators are applied in current conversion station on alternating current filter bus, reserve enough wiring spaces can to the downlead of limit phase, make three-phase downlead neat, attractive in appearance.
Below described preferred embodiment of the present utility model in detail, but it will be appreciated that, after having read above-mentioned instruction content of the present utility model, those skilled in the art can make various changes or modifications the utility model.These equivalent form of values fall within the application's appended claims limited range equally.
Claims (8)
1. be applied to three umbellate form suspension insulator strings in current conversion station, it is characterized in that, described three umbellate form suspension insulator strings comprise insulator sheet group and are connected gold utensil, wherein,
Described insulator sheet group is connected in series and forms mutually by multiple insulator sheets, and described insulator sheet is three umbellate form suspension insulator sheets;
One end of described insulator sheet group is connected on current conversion station framework by described connection gold utensil, and the other end of described insulator sheet group is connected with wire by described connection gold utensil.
2. three umbellate form suspension insulator strings as claimed in claim 1, is characterized in that, described three umbellate form suspension insulator string one end are connected in the framework of current conversion station, and the other end is connected in the bus rod of current conversion station.
3. three umbellate form suspension insulator strings as claimed in claim 2, it is characterized in that, described three umbellate form suspension insulator strings are composed in parallel by insulator sheet group described in two groups, and described two groups of insulator sheet groups are made up of three umbellate form suspension insulator sheets of equal number and same model.
4. three umbellate form suspension insulator strings as claimed in claim 2, is characterized in that, the described connection gold utensil in described three umbellate form suspension insulator strings comprises U-shaped link, ball-eye, yoke plate and Z-type link plate, wherein,
One end of described yoke plate is connected to current conversion station framework by described U-shaped link, and the other end of described yoke plate is connected with described two insulator sheet groups with described ball-eye via two pairs of described Z-type link plates.
5. three umbellate form suspension insulator strings as claimed in claim 2, is characterized in that, the described connection gold utensil in described three umbellate form suspension insulator strings comprises a bowl bulb hanging ring, yoke plate, U-shaped link, Z-type link plate, adjusts plate, strain clamp and bracing frame, wherein,
Described yoke plate one end is connected to described insulator sheet group by described bowl bulb hanging ring, the described yoke plate other end connects after described adjustment plate by two pairs of described Z-type link plates, be connected to described strain clamp by described U-shaped link again, support frame as described above connects upper and lower two described yoke plates.
6. three umbellate form suspension insulator strings as claimed in claim 1, is characterized in that, described three umbellate form suspension insulator string one end are connected in the framework of current conversion station, the other end be connected with current conversion station filter bus.
7. three umbellate form suspension insulator strings as claimed in claim 6, is characterized in that, described three umbellate form suspension insulator strings comprise one group described in insulator sheet group, and described insulator sheet group is made up of three umbellate form suspension insulator sheets of multiple same model.
8. three umbellate form suspension insulator strings as claimed in claim 6, is characterized in that, described connection gold utensil comprises U-shaped link, ball-eye, socket-clevis eye, yoke plate and Z-type link plate, wherein,
One end of described ball-eye is connected to current conversion station framework by U-shaped link, and the other end of described ball-eye connects described insulator sheet group; And
One end of described yoke plate is connected to described insulator sheet group via U-shaped link and described socket-clevis eye, and the other end of described yoke plate connects two pairs of described Z-type link plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046730.0U CN203659541U (en) | 2014-01-20 | 2014-01-20 | Three umbrella-type suspension insulator string applied to converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420046730.0U CN203659541U (en) | 2014-01-20 | 2014-01-20 | Three umbrella-type suspension insulator string applied to converter station |
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| Publication Number | Publication Date |
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| CN203659541U true CN203659541U (en) | 2014-06-18 |
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| CN201420046730.0U Expired - Fee Related CN203659541U (en) | 2014-01-20 | 2014-01-20 | Three umbrella-type suspension insulator string applied to converter station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240867A (en) * | 2014-09-22 | 2014-12-24 | 国家电网公司 | Double bundle conductor composite strain insulator string |
| CN104252927A (en) * | 2014-10-13 | 2014-12-31 | 国家电网公司 | Combined type strain insulator string with composite insulator of overhead transmission line |
| CN105679471A (en) * | 2016-04-02 | 2016-06-15 | 河南省德立泰高压电瓷电器有限公司 | Combined anti-pollution flashover insulator |
-
2014
- 2014-01-20 CN CN201420046730.0U patent/CN203659541U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240867A (en) * | 2014-09-22 | 2014-12-24 | 国家电网公司 | Double bundle conductor composite strain insulator string |
| CN104252927A (en) * | 2014-10-13 | 2014-12-31 | 国家电网公司 | Combined type strain insulator string with composite insulator of overhead transmission line |
| CN105679471A (en) * | 2016-04-02 | 2016-06-15 | 河南省德立泰高压电瓷电器有限公司 | Combined anti-pollution flashover insulator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (Group) Corp. Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: EAST CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: CHINA POWER ENGINEERING CONSULTING Group CORPORATION EAST CHINA ELECTRIC POWER DESIGN INSTITUTE Patentee before: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 |