CN202721416U - Overhead inlet wire structure - Google Patents
Overhead inlet wire structure Download PDFInfo
- Publication number
- CN202721416U CN202721416U CN2012204300213U CN201220430021U CN202721416U CN 202721416 U CN202721416 U CN 202721416U CN 2012204300213 U CN2012204300213 U CN 2012204300213U CN 201220430021 U CN201220430021 U CN 201220430021U CN 202721416 U CN202721416 U CN 202721416U
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- phase conductor
- distance
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- column
- conductor
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- 239000004020 conductor Substances 0.000 claims description 205
- 241000272165 Charadriidae Species 0.000 claims description 28
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
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Abstract
The utility model provides an overhead inlet wire structure, comprising a door shape support (10), an A-phase wire (21), a B-phase wire (22), and a C-phase wire (23). The door shape support (10) comprises two stand columns (11) arranged opposite to each other, and a beam (12) connecting between the two stand columns (11). The B-phase wire (22), and the C-phase wire (23) are arranged on the beam (12). The A-phase wire (21) is arranged on one of the two stand columns (11). The B-phase wire (22) is disposed between the stand column (11) on which the A-phase wire (21) is disposed and the C-phase wire (23). A distance between the A-phase wire (21) and the B-phase wire (22) and a distance between the B-phase wire (22) and the C-phase wire (23) are larger than or equal to a safe distance. The overhead inlet wire structure can effectively reduce span of the door shape support, and has simple structure and saves cost.
Description
Technical field
The utility model relates to the power technology field, in particular to a kind of built on stilts incoming line structure.
Background technology
In the three-phase conducting wire arrangement mode of the built on stilts inlet wire of 220kV, between the adjacent wire and the distance of each wire between relatively be under wind-force and short-circuit electromotive force effect, to produce the minimum electrical distance that can satisfy the insulation coordination requirement when waving by span inner insulator string and wire to design, like this, require inlet wire interval spaced apart (distance between the adjacent wire) minimum need to satisfy the distance of 4m.
Fig. 1 shows the built on stilts incoming line structure of a kind of routine in the prior art, as shown in Figure 1, in this structure, A phase conductor 21 ', B phase conductor 22 ' and C phase conductor 23 ' be successively along continuous straight runs arrangement on the crossbeam 12 ' of door type frame 10 ', distance B 1 ' between A phase conductor 21 ' and the B phase conductor 22 '=4m, distance B 2 ' between B phase conductor 22 ' and the C phase conductor 23 '=4m, when guaranteeing people on the door type frame 10 ' column to the safe distance of live part, distance B 3 ' between A phase conductor 21 ' and two its near columns 11 ' of column 11 ' middle distance=2.5m, distance B 3 ' between C phase conductor 23 ' and two its near columns 11 ' of column 11 ' middle distance=2.5m, like this, the span of door type frame is that the distance between two columns 11 ' is 13m.
Fig. 2 shows another kind of built on stilts incoming line structure in the prior art, as shown in Figure 2, in this structure, adopt the triangle chpn to arrange the phase sequence arrangement mode, by utilizing the arrangement of differing heights, thereby realized the compression of distance on the horizontal direction, particularly, A phase conductor 21 ' and C phase conductor 23 ' are arranged on the sill 12 ' of door type frame 10 ', B phase conductor 22 ' is arranged on the entablature, distance B 1 ' ≈ 4.2m between A phase conductor 21 ' and the B phase conductor 22 ', distance B 2 ' ≈ 4.2m between B phase conductor 22 ' and the C phase conductor 23 ', distance B 51 ' between A phase conductor 21 ' and the C phase conductor 23 '+D52 '=6m, distance B 3 ' between A phase conductor 21 ' and two its near columns 11 ' of column 11 ' middle distance=2.5m, distance B 3 ' between C phase conductor 23 ' and two its near columns 11 ' of column 11 ' middle distance=2.5m, like this, the span of door type frame is that the distance between two columns 11 ' is 11m.The distance of this structure compression is still limited, and has increased one crossbeam (entablature), has increased cost.
The utility model content
The utility model aims to provide a kind of built on stilts incoming line structure that can effectively reduce the door type frame span.
To achieve these goals, according to an aspect of the present utility model, provide a kind of built on stilts incoming line structure, having comprised: door type frame comprises two columns that are oppositely arranged and is connected to two crossbeams between the column; A phase conductor, B phase conductor and C phase conductor, B phase conductor and C phase conductor are arranged on the crossbeam, the A phase conductor is arranged on the column in two columns, the B phase conductor is between the column and C phase conductor at A phase conductor place, wherein, the distance between the distance between A phase conductor and the B phase conductor and B phase conductor and the C phase conductor is all more than or equal to safe distance.
Further, the distance between B phase conductor and the C phase conductor is more than or equal to 4m.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is greater than the distance between the near column of C phase conductor and two column middle distance C phase conductors.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is more than or equal to 3m, and the distance between the near column of C phase conductor and two column middle distance C phase conductors is more than or equal to 2.6m.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is less than the distance between A phase conductor and the crossbeam.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is more than or equal to 3m, and the distance between A phase conductor and the crossbeam is more than or equal to 4m.
According to another aspect of the present utility model, a kind of built on stilts incoming line structure also is provided, comprise: door type frame, comprise along the parallel a plurality of columns that arrange of first direction and be connected to crossbeam between adjacent two columns, two adjacent columns and be arranged on two crossbeams between the column and form the door type frame unit; A phase conductor, B phase conductor and C phase conductor, B phase conductor and C phase conductor are arranged on the crossbeam of each door type frame unit, the A phase conductor is arranged on the column in two columns of each door type frame unit, the B phase conductor is between the column and C phase conductor at A phase conductor place, wherein, the distance between the distance between A phase conductor and the B phase conductor and B phase conductor and the C phase conductor is all more than or equal to safe distance.
Further, the distance between B phase conductor and the C phase conductor is more than or equal to 4m.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is greater than the distance between the near column of C phase conductor and two column middle distance C phase conductors.
Further, the distance between the near column of B phase conductor and two column middle distance B phase conductors is less than the distance between A phase conductor and the crossbeam.
Use the technical solution of the utility model, because layout straggly between A phase conductor and B phase conductor and the C phase conductor, distance between A phase conductor and B phase conductor satisfying safe distance the lower distance that can effectively dwindle along continuous straight runs between A phase conductor and the B phase conductor of requirement (more than or equal to safe distance), like this, so that the door type frame span also reduced effectively, span reduce to be conducive to save cost.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic diagram of a kind of built on stilts incoming line structure of the prior art;
Fig. 2 shows the schematic diagram of the built on stilts incoming line structure of another kind of the prior art;
Fig. 3 shows the structural representation according to the embodiment one of built on stilts incoming line structure of the present utility model;
Fig. 4 shows the structural representation according to the embodiment two of built on stilts incoming line structure of the present utility model; And
Fig. 5 shows the structural representation according to the embodiment three of built on stilts incoming line structure of the present utility model.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 3, the built on stilts incoming line structure of embodiment one comprises: door type frame 10, A phase conductor 21, B phase conductor 22 and C phase conductor 23.Door type frame 10 comprises two columns 11 that are oppositely arranged and is connected to two crossbeams 12 between the column 11; B phase conductor 22 and C phase conductor 23 are arranged on the crossbeam 12, A phase conductor 21 is arranged on the column in two columns, be arranged in the present embodiment on the left side column 11 shown in Fig. 1, wherein, the distance between the distance between A phase conductor 21 and the B phase conductor 22 and B phase conductor 22 and the C phase conductor 23 is all more than or equal to safe distance between the column 11 at described A phase conductor 21 places and C phase conductor 23 for B phase conductor 22.
In the present embodiment, because layout straggly between A phase conductor 21 and the B phase conductor 22, the distance between A phase conductor 21 and the B phase conductor 22 satisfying safe distance the distance that (more than or equal to safe distance) can dwindle along continuous straight runs between A phase conductor 21 and the B phase conductor 22 effectively under the requirement, like this, so that the door type frame span also reduced effectively, span reduce to be conducive to save cost.
Preferably, in order to satisfy the safe distance requirement, the distance B 2 between B phase conductor 22 and the C phase conductor 23 is more than or equal to 4m.Further preferably, in embodiment one, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is greater than the distance B 4 between the near column of C phase conductor 23 and two column middle distance C phase conductors 23.So effectively guaranteed the distance between A phase conductor 21 and the B phase conductor 22.
Preferably, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is less than the distance B 1 between A phase conductor 21 and the crossbeam.Like this, can further reduce the door type frame span.
In embodiment one, distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is preferably greater than and equals 3m, and the distance B 4 between the near column of C phase conductor 23 and two column middle distance C phase conductors 23 is preferably greater than and equals 2.6m.Preferred distance between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is more than or equal to 3m, and the distance between A phase conductor 21 and the crossbeam is more than or equal to 4m.In the present embodiment, D3=3m, D4=2.6m, D2=4m, D1=4m, the span of door type frame 10 is that the distance between two columns 11 is 9.6m.Above-mentioned size can guarantee that built on stilts incoming line structure cooperates preferably with the power electrical devices that is positioned at ground.
Among the unshowned in the drawings embodiment, be arranged in the C phase conductor on the column in two columns, the A phase conductor is arranged on the crossbeam.The principle of this embodiment is similar to the aforementioned embodiment, does not repeat them here.
As shown in Figure 4, the built on stilts incoming line structure of embodiment two comprises: door type frame 10, A phase conductor 21, B phase conductor 22 and C phase conductor 23, door type frame 10 comprises along parallel three columns 13 that arrange of first direction and is connected to crossbeam 12 between adjacent two columns 13, two adjacent columns 13 and be arranged on two crossbeams 12 between the column 13 and form the door type frame unit; B phase conductor 22 and C phase conductor 23 are arranged on the crossbeam 12 of each door type frame unit, A phase conductor 21 is arranged on the column 13 in two columns 13 of each door type frame unit, B phase conductor 22 is between the column 13 and C phase conductor 23 at A phase conductor 21 places, wherein, the distance between the distance between A phase conductor 21 and the B phase conductor 22 and B phase conductor 22 and the C phase conductor 23 is all more than or equal to safe distance.
In embodiment two, because layout straggly between A phase conductor 21 and the B phase conductor 22, the distance between A phase conductor 21 and the B phase conductor 22 satisfying safe distance the distance that (more than or equal to safe distance) can dwindle along continuous straight runs between A phase conductor 21 and the B phase conductor 22 effectively under the requirement, like this, so that the door type frame span also reduced effectively, span reduce to be conducive to save cost.
Preferably, in order to satisfy the safe distance requirement, the distance B 2 between B phase conductor 22 and the C phase conductor 23 is more than or equal to 4m.Further preferably, in embodiment two, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is greater than the distance B 4 between the near column of C phase conductor 23 and two column middle distance C phase conductors 23.So effectively guaranteed the distance between A phase conductor 21 and the B phase conductor 22.
Preferably, the distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is less than the distance B 1 between A phase conductor 21 and the crossbeam.Like this, can further reduce the door type frame span.
In embodiment two, distance B 3 between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is preferably greater than and equals 3m, and the distance B 4 between the near column of C phase conductor 23 and two column middle distance C phase conductors 23 is preferably greater than and equals 2.6m.Preferred distance between the near column of B phase conductor 22 and two column middle distance B phase conductors 22 is more than or equal to 3m, and the distance between A phase conductor 21 and the crossbeam is more than or equal to 4m.In the present embodiment, D3=3m, D4=2.6m, D2=4m, D1=4m, the span of door type frame 10 is that the distance between two columns 11 is 9.6m.Above-mentioned size can guarantee that built on stilts incoming line structure cooperates preferably with the power electrical devices that is positioned at ground.
As shown in Figure 5, the built on stilts incoming line structure of embodiment three and the difference of embodiment two are that door type frame 10 comprises that the quantity of crossbeam 12 is three along parallel four columns 13 that arrange of first direction.The operation principle of embodiment three is similar to the aforementioned embodiment, does not repeat them here.The quantity that one skilled in the art will appreciate that column 13 and crossbeam 12 is not limited to above-described embodiment.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a built on stilts incoming line structure is characterized in that, comprising:
Door type frame (10) comprises two columns (11) that are oppositely arranged and is connected to crossbeam (12) between two described columns (11);
A phase conductor (21), B phase conductor (22) and C phase conductor (23), described B phase conductor (22) and C phase conductor (23) are arranged on the described crossbeam (12), described A phase conductor (21) is arranged on the column (11) in described two described columns, described B phase conductor (22) is positioned between the column (11) and C phase conductor (23) at described A phase conductor (21) place
Wherein, the distance between the distance between described A phase conductor (21) and the B phase conductor (22) and B phase conductor (22) and the C phase conductor (23) is all more than or equal to safe distance.
2. built on stilts incoming line structure according to claim 1 is characterized in that, the distance between described B phase conductor (22) and the C phase conductor (23) is more than or equal to 4m.
3. built on stilts incoming line structure according to claim 1, it is characterized in that the distance between the near column of described B phase conductor (22) and described two described B phase conductors of described column middle distance (22) is greater than the distance between the near column of described C phase conductor (23) and described two described C phase conductors of described column middle distance (23).
4. built on stilts incoming line structure according to claim 3, it is characterized in that, distance between the near column of described B phase conductor (22) and described two described B phase conductors of described column middle distance (22) is more than or equal to 3m, and the distance between the near column of described C phase conductor (23) and described two described C phase conductors of described column middle distance (23) is more than or equal to 2.6m.
5. built on stilts incoming line structure according to claim 1, it is characterized in that the distance between the near column of described B phase conductor (22) and described two described B phase conductors of described column middle distance (22) is less than the distance between described A phase conductor (21) and the crossbeam.
6. built on stilts incoming line structure according to claim 5, it is characterized in that, distance between the near column of described B phase conductor (22) and described two described B phase conductors of described column middle distance (22) is more than or equal to 3m, and the distance between described A phase conductor (21) and the crossbeam is more than or equal to 4m.
7. a built on stilts incoming line structure is characterized in that, comprising:
Door type frame (10), comprise along the parallel a plurality of columns (13) that arrange of first direction and be connected to crossbeam (12) between adjacent two described columns (13), adjacent two described columns (13) and be arranged on crossbeam (12) formation door type frame unit between two described columns (13);
A phase conductor (21), B phase conductor (22) and C phase conductor (23), described B phase conductor (22) and C phase conductor (23) are arranged on the crossbeam (12) of each described door type frame unit, described A phase conductor (21) is arranged on the column (13) in two columns (13) of each described door type frame unit, described B phase conductor (22) is positioned between the column (13) and C phase conductor (23) at described A phase conductor (21) place
Wherein, the distance between the distance between described A phase conductor (21) and the B phase conductor (22) and B phase conductor (22) and the C phase conductor (23) is all more than or equal to safe distance.
8. built on stilts incoming line structure according to claim 7 is characterized in that, the distance between described B phase conductor (22) and the C phase conductor (23) is more than or equal to 4m.
9. built on stilts incoming line structure according to claim 7, it is characterized in that the distance between the near column of described B phase conductor (22) and described two described B phase conductors of described column middle distance (22) is greater than the distance between the near column of described C phase conductor (23) and described two described C phase conductors of described column middle distance (23).
10. built on stilts incoming line structure according to claim 7, it is characterized in that the distance between the near column of described B phase conductor (22) and described two described B phase conductors of described column middle distance (22) is less than the distance between described A phase conductor (21) and the crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204300213U CN202721416U (en) | 2012-08-27 | 2012-08-27 | Overhead inlet wire structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204300213U CN202721416U (en) | 2012-08-27 | 2012-08-27 | Overhead inlet wire structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202721416U true CN202721416U (en) | 2013-02-06 |
Family
ID=47623220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204300213U Expired - Lifetime CN202721416U (en) | 2012-08-27 | 2012-08-27 | Overhead inlet wire structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202721416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633601A (en) * | 2012-08-27 | 2014-03-12 | 国家电网公司 | Overhead incoming line structure |
-
2012
- 2012-08-27 CN CN2012204300213U patent/CN202721416U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633601A (en) * | 2012-08-27 | 2014-03-12 | 国家电网公司 | Overhead incoming line structure |
| CN103633601B (en) * | 2012-08-27 | 2016-08-03 | 国家电网公司 | Built on stilts incoming line structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |