CN211597956U - 66kV double-circuit transmission line linear strain power divergence iron tower - Google Patents
66kV double-circuit transmission line linear strain power divergence iron tower Download PDFInfo
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- CN211597956U CN211597956U CN201922119620.8U CN201922119620U CN211597956U CN 211597956 U CN211597956 U CN 211597956U CN 201922119620 U CN201922119620 U CN 201922119620U CN 211597956 U CN211597956 U CN 211597956U
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- iron tower
- cross
- cross arm
- arm structure
- ground wire
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 36
- 230000005540 biological transmission Effects 0.000 title claims abstract description 7
- 239000012211 strain insulator Substances 0.000 claims abstract description 10
- 150000002505 iron Chemical class 0.000 claims abstract 2
- 239000000725 suspension Substances 0.000 claims description 7
- 238000000819 phase cycle Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
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Abstract
The utility model relates to a 66kV two transmission line straight line strain insulator bifurcation iron tower. This iron tower includes: two return circuits, every return circuit is not alternate alternately and is individual one deck, and upper strata cross arm structure is the design of dangling of word, and lower floor cross arm structure is the design of arranging strain insulator perpendicularly, and upper strata and lower floor cross arm are perpendicular, and iron tower body top has two ground wire support of dangling and strain insulator, and is perpendicular. And the influence of the broken wire of the ground wire on other lines during cross spanning is reduced. And potential safety hazards in construction and operation are reduced. The utility model discloses structural design is simple reasonable, electric clearance is reasonable, and the commutation can be realized to single loop design. The base number of the iron tower during cross spanning is reduced, steel of the iron tower is saved, and the engineering investment is reduced.
Description
Technical Field
The utility model relates to an electric power facility, especially a 66kV two transmission line straight line strain insulator bifurcation iron tower.
Background
In general, when two lines cross, two iron towers of one line are heightened to realize cross crossing (see fig. 1).
When the distance between the original line and the ground does not allow the newly-built line to cross and the newly-built line cannot be heightened (for example, the newly-built iron tower is too high at the outlet of a transformer substation at a cross crossing place, so that the problem of insufficient inter-phase distance is caused), only the original line can be modified, the two existing iron towers of two bases are dismantled, and the iron tower with the higher two bases is newly added.
The scheme has longer power failure time during construction. There is a risk that a broken line in the upper layer circuit will affect the lower layer circuit. And the iron tower has more base numbers, higher breathing height and higher engineering investment.
Disclosure of Invention
The invention aims to solve the technical problem of reducing the influence of the broken wire of the ground wire on other wires during cross spanning. The iron tower base number during cross spanning is reduced. Reducing the potential safety hazard of construction and operation and reducing the engineering investment.
The present invention is thus achieved.
A66 kV double-circuit transmission line linear tension-resistant diverging iron tower comprises: iron tower body sets up upper cross arm structure at iron tower body, upper cross arm structure is last word overhang structure, and upper cross arm structure below sets up lower floor's cross arm structure, lower floor's cross arm structure is the vertical arrangement strain insulator cross arm, and upper cross arm structure and lower floor's cross arm structure are perpendicular.
Furthermore, two ground wire supports of overhang and strain insulator are arranged at the top end of the iron tower body.
Furthermore, the suspension and strain ground wire supports are ground wire cross arms, namely a ground wire suspension cross arm and a ground wire strain cross arm which are perpendicular to each other at the top end.
Furthermore, the upper layer cross arm structure is arranged on one side below the top end and is an upper-shaped straight cross arm.
Furthermore, the straight cross arm shaped like the Chinese character 'Shang' is arranged in two layers, the upper layer is arranged on one side, and the lower layer is symmetrically arranged.
Further, lower floor's cross arm structure is vertical arrangement strain insulator cross arm, and the equidistant setting of upper and lower sets up 3 and realizes the commutation when both ends phase sequence does not correspond.
Furthermore, the vertically arranged strain cross arms and the ground wire strain cross arms are at the same side.
Compared with the prior art, the invention has the beneficial effects that: and the influence of the broken wire of the ground wire on other lines during cross spanning is reduced. And potential safety hazards in construction and operation are reduced. The utility model discloses structural design is simple reasonable, electric clearance is reasonable, and the commutation can be realized to single loop design. The base number of the iron tower during cross spanning is reduced, steel of the iron tower is saved, and the engineering investment is reduced.
Drawings
FIG. 1 is a schematic plane bifurcation diagram of a bifurcation tower;
fig. 2 is a schematic structural view of a divergent iron tower according to an embodiment of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 2, the present embodiment provides a 66kV double-circuit transmission line straight line tension-resistant diverging iron tower. The iron tower comprises an iron tower body 1, wherein a ground wire cross arm 2 is arranged at the top end of the iron tower body 1, the ground wire cross arm 2 comprises a ground wire suspension cross arm 21 and a ground wire strain cross arm 22 which are arranged at the top end in a vertical mode, an upper-shaped linear cross arm 3 is arranged on one side below the ground wire cross arm 2, and a strain cross arm 4 which is vertically arranged is arranged below the upper-shaped linear cross arm 3.
In one embodiment, 3 vertical tension cross arms 4 are arranged at equal intervals to realize phase change when the phase sequence at two ends does not correspond.
In one embodiment, the straight cross arm 3 is arranged in two layers, the upper layer is arranged on one side, and the lower layer is arranged symmetrically.
The vertically arranged strain cross arms 4 and the ground wire strain cross arms 22 are at the same side. The vertical strain cross arm 4 and the upper-shaped linear cross arm 3 are of a vertical structure in space.
This is novel including two return circuits, and every return circuit is not alternate alternately, but every return circuit is solitary one deck, and upper strata cross arm structure hangs the design for last word, and lower floor's cross arm structure is the vertical arrangement strain design, and upper strata and lower floor's cross arm are perpendicular, and iron tower body top has two ground wire support of hanging and strain insulator, and is perpendicular. The upper layer and the lower layer are respectively arranged, the structure is clear, the electric clearance is reasonable, and the construction and the operation maintenance are convenient. The suspension design ensures that the original line ground wire is erected according to the representative span, and avoids the phenomenon that the distance between a bifurcation iron tower and the original iron tower is very close to cause the tension of an isolated gear to be increased sharply.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a two transmission line straight line strain insulator bifurcation iron towers of 66kV which characterized in that, this iron tower includes: iron tower body sets up upper cross arm structure at iron tower body, upper cross arm structure is last word overhang structure, and upper cross arm structure below sets up lower floor's cross arm structure, lower floor's cross arm structure is the vertical arrangement strain insulator cross arm, and upper cross arm structure and lower floor's cross arm structure are perpendicular.
2. Iron tower according to claim 1, characterized in that the top end of the tower body is provided with two ground wire supports, namely a suspension and a tension.
3. The tower of claim 2, wherein the suspension and strain ground supports are ground wire cross-arms, respectively a ground wire suspension cross-arm and a ground wire strain cross-arm perpendicular to each other at the top end.
4. Iron tower according to claim 1, characterized in that the upper cross arm structure is arranged at the lower side of the top end and is a straight cross arm shaped like a Chinese character 'shang'.
5. Iron tower according to claim 4, characterized in that the straight cross arms of the upper type are arranged in two layers, the upper layer is arranged on one side and the lower layer is arranged symmetrically.
6. The iron tower as claimed in claim 1, wherein the lower cross-arm structure is a vertically arranged tension cross-arm, and 3 phases are arranged at equal intervals from top to bottom to realize phase sequence non-correspondence at two ends.
7. The tower of claim 6, wherein the vertically arranged strain cross-arms are on the same side as the ground strain cross-arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119620.8U CN211597956U (en) | 2019-12-02 | 2019-12-02 | 66kV double-circuit transmission line linear strain power divergence iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119620.8U CN211597956U (en) | 2019-12-02 | 2019-12-02 | 66kV double-circuit transmission line linear strain power divergence iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211597956U true CN211597956U (en) | 2020-09-29 |
Family
ID=72589961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922119620.8U Active CN211597956U (en) | 2019-12-02 | 2019-12-02 | 66kV double-circuit transmission line linear strain power divergence iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211597956U (en) |
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2019
- 2019-12-02 CN CN201922119620.8U patent/CN211597956U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Chao Inventor after: Chang Xianjun Inventor after: Ou Yinghui Inventor after: Bao Xinghui Inventor after: Ji Yong Inventor after: Zhang Zehui Inventor after: Guo Hongyan Inventor before: Chang Xianjun Inventor before: Ou Yinghui Inventor before: Bao Xinghui Inventor before: Ji Yong Inventor before: Zhang Zehui Inventor before: Guo Hongyan |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231129 Address after: Room 601, Building C01, Entrepreneurship Headquarters Base, Fuyuan Road North, Qingfa District, Wuqing District, Tianjin City, 301726 Patentee after: TBEA INTERNATIONAL ENGINEERING Co.,Ltd. Address before: 110144 32 development road, Shenyang economic and Technological Development Zone, Liaoning Patentee before: TBEA SHENYANG ELECTRIC POWER SURVEY AND DESIGN Co.,Ltd. |
|
| TR01 | Transfer of patent right |