CN214144970U - 500kV single-circuit dry-type drilling strain tower - Google Patents
500kV single-circuit dry-type drilling strain tower Download PDFInfo
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- CN214144970U CN214144970U CN202022739443.6U CN202022739443U CN214144970U CN 214144970 U CN214144970 U CN 214144970U CN 202022739443 U CN202022739443 U CN 202022739443U CN 214144970 U CN214144970 U CN 214144970U
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- 238000005553 drilling Methods 0.000 title abstract description 5
- 239000012211 strain insulator Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 description 4
- 241001339245 Callirhoe digitata Species 0.000 description 3
- 235000002259 Callirhoe involucrata Nutrition 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
500kV single-circuit dry-shaped drilling strain tower, comprising a tower head and a tower body, wherein the strain tower is integrally of a dry-shaped structure, the tower head is of an I-shaped structure, a wire hanging point, a ground wire hanging point and a jumper wire hanging point are arranged on the tower head, the wire hanging point is arranged at the bottom of the tower head, the ground wire hanging point is arranged at the top of the tower head, and the jumper wire hanging point is arranged at the top and the bottom of the tower head. Utilize the utility model discloses, solve the atress problem of 500kV single return wineglass strain insulator tower, provide the higher iron tower scheme of boring of a security performance, improve transmission line's fail safe nature.
Description
Technical Field
The utility model relates to a strain insulator tower especially relates to a strain insulator tower is crossed to 500kV list time "do" style of calligraphy brill.
Background
With the rapid development of social economy, the construction scale of the power transmission lines is increased day by day, the power transmission line intersection is inevitable, when 500kV lines and 500kV and higher voltage level lines are intersected, the drilling-crossing scheme is adopted when the drilling-crossing condition is met, the engineering investment can be greatly compressed, the power failure and rising transformation of the existing lines are avoided, and the power failure loss of a power grid and social influence are reduced. However, the established line often cannot predict the crossing position with the later line, so that no crossing space and crossing position is reserved in advance, when the crossing scheme is adopted, the distance between the established line and the ground is small, the most common scheme at present is to adopt a single-loop wine cup type strain tower, and the wine cup type strain tower has a K point due to the tower head structure, so that the stress characteristic of an iron tower is poor, the safety performance has hidden danger, and the conventional dry type strain tower cannot realize the crossing function when the power transmission lines with different levels of voltage cross.
Disclosure of Invention
The utility model aims to solve the technical problem that, overcome prior art not enough, provide a 500kV list that tower head is high little, fail safe nature is high returns "dry" word type and bores strain insulator tower more.
The utility model provides a technical scheme that its technical problem adopted is, 500kV single-circuit "do" style of calligraphy bore strain insulator tower more, including tower head and body of the tower, strain insulator tower is whole to be "do" style of calligraphy structure, and the tower head is I shape structure, is equipped with the wire on the tower head and hangs some, ground wire string point and wire jumper string point, the wire hangs the bottom that the tower head was located to the point, the top that the tower head was located to the ground wire string point, the wire jumper is hung some and is located the top and the bottom of tower head.
Furthermore, the ground wire hanging points comprise an inner side ground wire hanging point and an outer side ground wire hanging point which are respectively arranged on two sides of the top of the tower head and used for hanging the ground wires.
Further, the wire hanging points comprise an inner side phase wire hanging point, a middle phase wire hanging point and an outer side phase wire hanging point, and the three wire hanging points are horizontally arranged in a straight shape.
Furthermore, the jumper hanging points comprise side phase jumper hanging points and middle phase jumper hanging points.
Further, the side phase jumper wire hanging points comprise inner side jumper wire hanging points arranged near the inner side phase wire hanging points and outer side jumper wire hanging points arranged near the outer side phase wire hanging points; the middle-phase jumper wire hanging points are two groups, namely a first jumper wire hanging point arranged on the middle-phase jumper wire support and a second jumper wire hanging point arranged on the auxiliary jumper wire support.
Further, the tower head and the tower body are made of angle steel.
The utility model discloses following positive effect has: the stress problem of the strain tower with the 500kV single-circuit wine cup can be solved, the scheme of drilling and crossing the iron tower with higher safety performance is provided, and the safety and reliability of the power transmission line are improved.
Drawings
Fig. 1 is a front view (in-line direction) of an embodiment of the present invention;
FIG. 2 is a side view (transverse to the direction of the wires) of the phase wire winding in the embodiment of FIG. 1;
fig. 3 is a top view of the middle phase conductor winding in the embodiment shown in fig. 2.
In the figure: 1. the tower comprises a tower head, 1-1 parts of inner side jumper wire hanging points, 1-2 parts of outer side jumper wire hanging points, 2-1 parts of middle phase wire hanging points, 2-2 parts of inner side phase wire hanging points, 2-3 parts of outer side phase wire hanging points, 3-11 parts of first middle phase jumper wire hanging points, 3-12 parts of second middle phase jumper wire hanging points, 3-2 parts of inner side phase jumper wire hanging points, 3-3 parts of outer side phase jumper wire hanging points and 2 parts of a tower body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to the attached drawings 1-3, the tension tower comprises a tower head 1 and a tower body 2, the whole tension tower is of a dry structure, the tower head 1 is of an I-shaped structure, and a ground wire hanging point, a lead hanging point and a jumper hanging point are arranged on the tower head 1.
Ground wire hanging points are arranged on two sides of the top of the tower head 1, and the ground wire hanging points comprise inner side ground wire hanging points 1-1 and outer side ground wire hanging points 1-2 and are used for hanging ground wires.
The bottom of the tower head 1 is provided with wire hanging points, namely a middle phase wire hanging point 2-1, an inner side phase wire hanging point 2-2 and an outer side phase wire hanging point 2-3, which are horizontally arranged at the bottom of the tower head in a straight shape and used for hanging three-phase wires.
The jumper wire hanging points are arranged at the top and the bottom of the tower head 1 and comprise side phase jumper wire hanging points and middle phase jumper wire hanging points which are respectively used for hanging side phase jumper wires and middle phase jumper wires.
The side phase wire jumper hanging points comprise an inner side wire jumper hanging point 3-2 arranged near the inner side phase wire hanging point 2-2 and an outer side wire jumper hanging point 3-3 arranged near the outer side phase wire hanging point 2-3, the inner side wire jumper string and the outer side wire jumper string are respectively hung, and the inner side phase wire and the outer side phase wire are switched on in a downward drainage mode.
Two groups of middle-phase jumper hanging points are arranged, namely a first jumper hanging point 3-11 arranged on the middle-phase jumper support and a second jumper hanging point 3-12 arranged on the auxiliary jumper support. The middle phase conductor firstly leads the jumper strings connected to the second jumper hanging points 3-12 upwards, then leads the jumper strings led to the first jumper hanging points 3-11 towards the inner side of the tower body, then leads the jumper strings led back to the second jumper hanging points 3-12, and then leads the jumper strings downwards to the middle phase conductor, so that the middle phase conductor can jump through by bypassing from the side surface of the tower body.
The tower head 1 and the tower body 2 are made of angle steel.
The tension tower is suitable for 500kV power transmission lines, and the height of the tower head of the tension tower is smaller than that of a conventional dry-shaped tension tower; the three-phase lead is arranged in a linear shape (three phases are positioned on the same horizontal plane), and the height of the tower head can be compressed by 7 meters compared with that of a conventional dry-shaped strain tower; and the drilling function of lines with different voltage levels of the conventional 'wine glass' type strain tower can be realized, the stress characteristic of the iron tower is better, and the safety performance is higher.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present invention, provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (6)
1.500kV single-circuit "do" style of calligraphy and bore strain insulator tower more, including tower head and body of tower, its characterized in that: the whole strain tower is of a dry-shaped structure, the tower head is of an I-shaped structure, a wire hanging point, a ground wire hanging point and a jumper wire hanging point are arranged on the tower head, the wire hanging point is arranged at the bottom of the tower head, the ground wire hanging point is arranged at the top of the tower head, and the jumper wire hanging point is arranged at the top and the bottom of the tower head.
2. The 500kV single-circuit dry-type over-tension tower according to claim 1, which is characterized in that: the ground wire hanging points comprise an inner side ground wire hanging point and an outer side ground wire hanging point which are respectively arranged on two sides of the top of the tower head and used for hanging the ground wires.
3. The 500kV single-circuit dry-type over-tension tower according to claim 1 or 2, wherein: the wire hanging points comprise an inner side phase wire hanging point, a middle phase wire hanging point and an outer side phase wire hanging point, and the three wire hanging points are horizontally arranged in a straight shape.
4. The 500kV single-circuit dry-type over-tension tower according to claim 1 or 2, wherein: the jumper hanging points comprise side phase jumper hanging points and middle phase jumper hanging points.
5. The 500kV single-circuit dry-type over-tension tower according to claim 4, wherein: the side phase jumper wire hanging points comprise inner side jumper wire hanging points arranged near the inner side phase wire hanging points and outer side jumper wire hanging points arranged near the outer side phase wire hanging points; the middle-phase jumper wire hanging points are two groups, namely a first jumper wire hanging point arranged on the middle-phase jumper wire support and a second jumper wire hanging point arranged on the auxiliary jumper wire support.
6. The 500kV single-circuit dry-type over-tension tower according to claim 1 or 2, wherein: the tower head and the tower body are made of angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739443.6U CN214144970U (en) | 2020-11-24 | 2020-11-24 | 500kV single-circuit dry-type drilling strain tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739443.6U CN214144970U (en) | 2020-11-24 | 2020-11-24 | 500kV single-circuit dry-type drilling strain tower |
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| Publication Number | Publication Date |
|---|---|
| CN214144970U true CN214144970U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022739443.6U Active CN214144970U (en) | 2020-11-24 | 2020-11-24 | 500kV single-circuit dry-type drilling strain tower |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412147A (en) * | 2020-11-24 | 2021-02-26 | 中国能源建设集团湖南省电力设计院有限公司 | 500kV single-circuit dry-type crossing strain tower |
-
2020
- 2020-11-24 CN CN202022739443.6U patent/CN214144970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412147A (en) * | 2020-11-24 | 2021-02-26 | 中国能源建设集团湖南省电力设计院有限公司 | 500kV single-circuit dry-type crossing strain tower |
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