CN212406302U - 750KV transmission single-loop tangent tower - Google Patents
750KV transmission single-loop tangent tower Download PDFInfo
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- CN212406302U CN212406302U CN202020572372.2U CN202020572372U CN212406302U CN 212406302 U CN212406302 U CN 212406302U CN 202020572372 U CN202020572372 U CN 202020572372U CN 212406302 U CN212406302 U CN 212406302U
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Abstract
The utility model relates to a high tension tower technical field, concretely relates to 750KV transmission of electricity single loop tangent tower, including tower leg, body of the tower and crossbeam, the tower leg sets up body of the tower bottom, crossbeam include that top-down sets up at the body of the tower with last cross arm, well cross arm and lower cross arm of one side, go up the cross arm and lie in the top of body of the tower, the body of the tower with last cross arm, well cross arm and cross arm down enclose into "E" type, go up the cross arm and distribute and have two ground wire support. The width of a line corridor is effectively reduced, the problems of difficult house removal and difficult path are well solved, the economic effect is obvious, and the social influence is small.
Description
Technical Field
The application relates to the technical field of high-voltage towers, in particular to a 750KV power transmission single-loop tangent tower.
Background
In transmission line engineering, 750kV single-loop tangent towers are widely applied, and although the design technology is mature, the horizontal arrangement of the wires causes that the lines are difficult to implement or cannot be implemented in severely limited areas of corridors. When the line corridor is wide, the line arrangement is limited, and part of the house needs to be removed, so that the problem of removing the house is troublesome, and meanwhile, the removal of the house has economic uncertainty and difficulty.
SUMMERY OF THE UTILITY MODEL
The application provides a 750KV power transmission single-loop tangent tower, which aims to solve the problem that lines are difficult to implement in severely limited areas of corridors.
The technical scheme adopted by the application is as follows:
the utility model provides a 750KV transmission of electricity single loop tangent tower, including tower leg, body of the tower and crossbeam, the tower leg sets up body of the tower bottom, the crossbeam includes that top-down sets up the body of the tower is with last cross arm, well cross arm and the lower cross arm of one side, it is located to go up the cross arm the top of body of the tower, the body of the tower encloses into "E" type with last cross arm, well cross arm and lower cross arm, it has two ground wire support to go up the distribution on the cross arm.
Further, the length of the middle cross arm is longer than that of the upper cross arm and the lower cross arm, and the length of the lower cross arm is longer than that of the upper cross arm.
Furthermore, the length of the upper cross arm is 16-16.8 m, the length of the middle cross arm is 20-21 m, and the length of the lower cross arm is 17-18 m.
Further, the total height of the tower legs and the tower body is 90-110 m.
Further, the distance between the upper cross arm and the middle cross arm is equal to the distance between the middle cross arm and the lower cross arm.
Furthermore, the top ends of the two ground wire brackets are provided with ground wire hanging points; two upper wire hanging points are arranged on the upper cross arm, one upper wire hanging point is positioned at the distal end part of the upper cross arm, and the other upper wire hanging point is positioned close to the bottom end of the tower body; two middle wire hanging points are arranged on the middle cross arm, one middle wire hanging point is positioned at the distal end part of the middle cross arm, and the other middle wire hanging point is positioned at the bottom end, close to the tower body, of the middle cross arm; and two lower wire hanging points are arranged on the lower cross arm, one lower wire hanging point is positioned at the distal end part of the lower cross arm, and the other lower wire hanging point is positioned at the bottom end, close to the tower body, of the lower cross arm.
Further, the upper cross arm comprises a left cross arm and a right cross arm, the left cross arm is connected with the tower body, the vertical section of the left cross arm is rectangular, the right cross arm is connected with the distal end portion of the left cross arm, the vertical section of the right cross arm is triangular, the bottom surface of the right cross arm is flush with the left cross arm, and the bottom end surface and the top end surface of the right cross arm are surrounded to form a V shape.
Furthermore, the steel of the tower body and the steel of the tower legs are both steel pipes, and the steel of the upper cross arm, the steel of the middle cross arm and the steel of the lower cross arm are angle steels.
The technical scheme of the application has the following beneficial effects:
the utility model discloses a 750KV transmission of electricity single loop tangent tower, because set up upper cross arm, middle cross arm and lower cross arm in same one side of body of the tower, the body of the tower encloses into "E" type with upper cross arm, middle cross arm and lower cross arm, distribute two ground wire supports on the upper cross arm; go up cross arm, well cross arm and cross arm setting down in same one side, the effectual circuit corridor width that has reduced, fine solution the house removal difficult, walk the problem of footpath difficulty, simultaneously, such setting up economic effect is showing, has practiced thrift the manpower of later stage installation, and social influence is little.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a 750KV power transmission single-loop tangent tower.
Illustration of the drawings:
wherein, 1-tower leg; 2-a tower body; 3-a cross beam;
31-upper cross arm; 32-middle cross arm; 33-lower cross arm;
311-ground wire holder; 312-left cross arm; 313-right cross arm.
Detailed Description
Referring to fig. 1, a schematic structural diagram of a 750KV power transmission single-loop tangent tower is shown.
The application provides a 750KV transmission of electricity single loop tangent tower, the tangent tower of this embodiment includes tower leg 1, body of the tower 2 and crossbeam 3, and tower leg 1 sets up 2 bottoms of the body of the tower.
Specifically, the cross beam 3 includes an upper cross arm 31, a middle cross arm 32 and a lower cross arm 33 which are arranged on the same side of the tower body 2 from top to bottom, the upper cross arm 31 is located at the top end of the tower body 2, the upper cross arm 31, the middle cross arm 32 and the lower cross arm 33 enclose an "E" shape, and two ground wire brackets 311 are distributed on the upper cross arm 31.
Middle cross arm 32 is longer than upper cross arm 31 and lower cross arm 33, and lower cross arm 33 is longer than upper cross arm 31.
Namely, the length of the upper cross arm 31 is 16-16.8 m, the length of the middle cross arm 32 is 20-21 m, and the length of the lower cross arm 33 is 17-18 m. The total height of the tower legs 1 and the tower body 2 is 90-110 m. In the embodiment, the height of the upper cross arm 31 is 16.4m, the height of the middle cross arm 32 is 20.65m, the height of the lower cross arm 33 is 17.45m, and the total height of the tower legs 1 and the tower body 2 is 100.3 m.
The distance between the upper cross arm 31 and the middle cross arm 32 is equal to the distance between the middle cross arm 32 and the lower cross arm 33, so that the overall aesthetic property and stress uniformity of the linear tower are ensured.
The top ends of the two ground wire brackets 311 are provided with ground wire hanging points; two upper wire hanging points are arranged on the upper cross arm 31, one upper wire hanging point is positioned at the distal end part of the upper cross arm 31, and the other upper wire hanging point is positioned near the bottom end of the tower body 2; two middle wire hanging points are arranged on the middle cross arm 32, one middle wire hanging point is positioned at the far end part of the middle cross arm 32, and the other middle wire hanging point is positioned at the bottom end of the middle cross arm 32 close to the tower body 2; two lower wire hanging points are arranged on the lower cross arm 33, one lower wire hanging point is positioned at the distal end part of the lower cross arm 33, and the other lower wire hanging point is positioned at the bottom end of the lower cross arm 33 close to the tower body 2. The three-phase wires are all arranged in a V-shaped series mode, one end of each three-phase wire is positioned at the right end parts of the upper cross arm 31, the middle cross arm 32 and the lower cross arm 33, and the other end of each three-phase wire is positioned at the bottom end of the upper cross arm 31, the middle cross arm 32 and the lower cross arm 33 close to the tower body 2; this reduces the swing and protects the wires.
The specific materials of this embodiment are: the steel materials of the tower body 2 and the tower legs 1 are steel pipes, and the steel materials of the upper cross arm 31, the middle cross arm 32 and the lower cross arm 33 are angle steel. Of course, other feasible materials can be selected according to the factors of landform, climate and the like.
The principle of the embodiment is as follows: because the upper cross arm 31, the middle cross arm 32 and the lower cross arm 33 are arranged on the same side of the tower body 2, the upper cross arm 31, the middle cross arm 32 and the lower cross arm 33 form an E shape, an E-shaped special tower with vertically arranged wires is adopted, and two ground wire brackets 311 are distributed on the upper cross arm 31; the width of a line corridor is effectively reduced, the problems that houses are difficult to disassemble and move and difficult to walk are well solved, meanwhile, the arrangement protects the wires, the economic effect is obvious, the manpower for later-stage installation is saved, and the social influence is small.
The embodiments provided in the present application are only a few examples of the general concept of the present application, and do not limit the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (8)
1. The utility model provides a 750KV transmission of electricity single loop tangent tower, includes tower leg, body of the tower and crossbeam, the tower leg sets up body of the tower bottom, its characterized in that: the crossbeam includes that top-down sets up last cross arm, well cross arm and lower cross arm with one side of the body of the tower, go up the cross arm and be located the top of the body of the tower, the body of the tower encloses into "E" type with last cross arm, well cross arm and lower cross arm, it has two ground wire support to distribute on the cross arm of going up.
2. The 750KV power transmission single-loop tangent tower of claim 1, wherein: the length of well cross arm is longer than last cross arm and lower cross arm, the length of lower cross arm is longer than last cross arm.
3. The 750KV power transmission single-loop tangent tower of claim 2, wherein: the length of the upper cross arm is 16-16.8 m, the length of the middle cross arm is 20-21 m, and the length of the lower cross arm is 17-18 m.
4. The 750KV power transmission single-loop tangent tower of claim 3, wherein: the total height of the tower legs and the tower body is 90-110 m.
5. The 750KV power transmission single-loop tangent tower of claim 1, wherein: the distance between the upper cross arm and the middle cross arm is equal to the distance between the middle cross arm and the lower cross arm.
6. The 750KV power transmission single-loop tangent tower of claim 1, wherein: the top ends of the two ground wire brackets are provided with ground wire hanging points; two upper wire hanging points are arranged on the upper cross arm, one upper wire hanging point is positioned at the distal end part of the upper cross arm, and the other upper wire hanging point is positioned close to the bottom end of the tower body; two middle wire hanging points are arranged on the middle cross arm, one middle wire hanging point is positioned at the distal end part of the middle cross arm, and the other middle wire hanging point is positioned at the bottom end, close to the tower body, of the middle cross arm; and two lower wire hanging points are arranged on the lower cross arm, one lower wire hanging point is positioned at the distal end part of the lower cross arm, and the other lower wire hanging point is positioned at the bottom end, close to the tower body, of the lower cross arm.
7. The 750KV power transmission single-loop tangent tower of claim 1, wherein: the upper cross arm comprises a left cross arm and a right cross arm, the left cross arm is connected with the tower body, the vertical section of the left cross arm is rectangular, the right cross arm is connected with the distal end portion of the left cross arm, the vertical section of the right cross arm is triangular, the bottom surface of the right cross arm is parallel and level to the left cross arm, and the bottom end surface and the top end surface of the right cross arm are surrounded to form a V shape.
8. The 750KV power transmission single-loop tangent tower according to any one of claims 1-7, wherein: the steel of body of the tower with the tower leg is the steel pipe, go up the steel of cross arm, well cross arm and lower cross arm and be the angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020572372.2U CN212406302U (en) | 2020-04-16 | 2020-04-16 | 750KV transmission single-loop tangent tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020572372.2U CN212406302U (en) | 2020-04-16 | 2020-04-16 | 750KV transmission single-loop tangent tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406302U true CN212406302U (en) | 2021-01-26 |
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ID=74370339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020572372.2U Active CN212406302U (en) | 2020-04-16 | 2020-04-16 | 750KV transmission single-loop tangent tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212406302U (en) |
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2020
- 2020-04-16 CN CN202020572372.2U patent/CN212406302U/en active Active
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