CN212406301U - 750kV transmission of electricity single gyration angle tower - Google Patents
750kV transmission of electricity single gyration angle tower Download PDFInfo
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- CN212406301U CN212406301U CN202020571827.9U CN202020571827U CN212406301U CN 212406301 U CN212406301 U CN 212406301U CN 202020571827 U CN202020571827 U CN 202020571827U CN 212406301 U CN212406301 U CN 212406301U
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Abstract
The utility model particularly relates to a 750kV transmission of electricity list gyration angle tower, including the tower leg, set up the body of the tower above the tower leg and set up the crossbeam on the body of the tower. The crossbeam includes the ground wire cross arm, goes up the jumper wire cross arm, well jumper wire cross arm, wire cross arm and lower jumper wire cross arm, and the ground wire cross arm setting just extends to the relative both sides of tower body on the top of tower body, and one of them end of ground wire cross arm extends and is equipped with the jumper wire cross arm, and well jumper wire cross arm, wire cross arm and lower jumper wire cross arm top-down set gradually in the below of ground wire cross arm, and go up jumper wire cross arm, well jumper wire cross arm, wire cross arm and lower jumper wire cross arm and lie in same one side of tower body. The utility model discloses an go up wire jumper cross arm, well wire jumper cross arm, wire cross arm and establish at the homonymy of body of the tower with lower wire jumper cross arm, avoided each cross arm to all extend to the body of the tower both sides, the body of the tower stretches out the part of body of the tower with the ground wire cross arm and wire jumper cross arm, well wire jumper cross arm, lower wire jumper cross arm enclose city E shape, have reduced the line corridor width, have solved the house and have removed the difficulty, walk footpath difficulty problem.
Description
Technical Field
The application relates to the technical field of high-voltage iron towers, in particular to a 750kV power transmission single-rotation angle tower.
Background
In transmission line engineering, 750kV single-circuit corner towers are applied in a lot, although the design technology is mature, the conductors of the conventional dry-type corner tower are arranged in a shape like the Chinese character 'yi', and the line spacing is controlled by the spacing between the left and right two-phase conductors, so that the implementation of the lines in severely limited areas of corridors is very difficult or impossible. 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-rotation angle tower, which aims to solve the problem that a line is difficult to implement or cannot be implemented in a severely limited area of a corridor.
The technical scheme adopted by the application is as follows:
the utility model provides a single gyration angle tower of 750kV transmission of electricity, including the tower leg, set up the body of the tower above the tower leg and set up the crossbeam on the body of the tower, the crossbeam includes the ground wire cross arm, goes up jumper wire cross arm, well jumper wire cross arm, wire cross arm and lower jumper wire cross arm, the ground wire cross arm sets up the top of body of the tower and slightly extend to the relative both sides of body of the tower, the ground wire cross arm wherein one end extends and is provided with go up the jumper wire cross arm, well jumper wire cross arm, wire cross arm and lower jumper wire cross arm top-down set gradually the below of ground wire cross arm, just go up same one side that jumper wire cross arm, well jumper wire cross arm, wire cross arm and lower jumper wire cross arm are located the body of the tower.
Further, the length of the wire cross arm is shorter than the lengths of the middle jumper cross arm and the lower jumper cross arm; the distance from the middle part of the ground wire cross arm to the far end of the upper jumper wire cross arm is less than the lengths of the middle jumper wire cross arm and the lower jumper wire cross arm; the length of the middle jumper cross arm is longer than that of the lower jumper cross arm.
Furthermore, the total length of the ground wire cross arm is 9-11 m, the length of the upper jumper wire cross arm is 4-4.5 m, the length of the middle jumper wire cross arm is 11.5-13 m, the length of the lead wire cross arm is 2.5-3.5 m, and the length of the lower jumper wire cross arm is 10-12 m.
Further, the total length of the tower body and the tower legs is 65-75 m.
Further, the wire cross arm is located at the middle position between the middle jumper cross arm and the lower jumper cross arm.
Furthermore, two ends of the ground wire cross arm are provided with ground wire hanging points; the far end part of the upper jumper cross arm is provided with an upper jumper hanging point, the far end part of the middle jumper cross arm is provided with a middle jumper hanging point, and the far end part of the lower jumper cross arm is provided with a lower jumper hanging point; the tower body is provided with a ground wire cross arm and a middle jumper cross arm, wherein the front side and the rear side of the tower body are respectively provided with an upper wire hanging point, the distal end part of the wire cross arm is provided with a middle wire hanging point, and the front side and the rear side of the tower body are respectively provided with a lower wire hanging point below the lower jumper cross arm.
Furthermore, the upper wire hanging point is located in the middle between the ground wire cross arm and the middle wire jumper cross arm, and the distance between the upper wire hanging point and the middle wire hanging point is equal to the distance between the middle wire hanging point and the lower wire hanging point.
Further, the distance between the ground wire cross arm and the middle jumper cross arm is equal to the distance between the middle jumper cross arm and the lower jumper.
Furthermore, the steel of the tower body and the tower legs are steel pipes, and the steel of the ground wire cross arm, the upper jumper wire cross arm, the middle jumper wire cross arm, the lead wire cross arm and the lower jumper wire cross arm is angle steel.
The technical scheme of the application has the following beneficial effects:
the utility model discloses a 750kV transmission of electricity single gyration angle tower, because last wire jumper cross arm, well wire jumper cross arm, wire cross arm and lower wire jumper cross arm set up in the same side of body of the tower, avoided each cross arm to all extend to body of the tower both sides, the ground wire cross arm sets up in the top of body of the tower and slightly stretches out to body of the tower both sides; the part that the body of the tower stretches out the body of the tower with the ground wire cross arm adds wire jumper cross arm, well wire jumper cross arm, lower wire jumper cross arm and encloses city "E" shape, the effectual circuit corridor width that has reduced, fine solution the house tear open move difficult, walk the problem of footpath difficulty, simultaneously, such setting up economic benefits 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-turn angle tower according to an embodiment of the present invention.
Illustration of the drawings:
wherein, 1-tower leg; 2-a tower body; 3-a cross beam;
31-ground wire cross arm; 32-go up jumper cross arm; 33-middle jumper cross arm; 34-wire cross arm; 35-lower jumper cross arm;
311-ground wire hanging point; 321-installing a jumper hanging point; 331-middle jumper hanging point; 341-middle wire hanging point; 342-upper wire hanging point; 343-lower wire hang point; 351-lower jumper hanging point.
Detailed Description
Referring to fig. 1, a schematic structural diagram of an embodiment of a 750kV transmission single-turn angle tower is shown.
The application provides a single gyration angle tower of 750kV transmission of electricity, including tower leg 1, set up 2 and the crossbeam 3 of setting on 2 of body of the tower of tower leg top.
Specifically, the cross beam 3 includes a ground wire cross arm 31, an upper jumper cross arm 32, a middle jumper cross arm 33, a wire cross arm 34 and a lower jumper cross arm 35, the ground wire cross arm 31 is disposed on the top end of the tower body 2 and extends towards two opposite sides of the tower body 2, one end of the ground wire cross arm 31 extends to be provided with the upper jumper cross arm 32, the middle jumper cross arm 33, the wire cross arm 34 and the lower jumper cross arm 35 are sequentially disposed below the ground wire cross arm 31 from top to bottom, the length of the wire cross arm 34 is shorter than the lengths of the middle jumper cross arm 33 and the lower jumper cross arm 35, and the upper jumper cross arm 32, the middle jumper cross arm 33, the wire cross arm 34 and the lower jumper cross arm 35 are located on the same side of the tower body 2.
The middle part of the ground wire cross arm 31 is arranged on the tower body 2, and the half part of the ground wire cross arm 31 facing the upper jumper cross arm 32 and the upper jumper cross arm 32 form a first cross arm; the length of the first cross arm is slightly smaller than that of the middle jumper cross arm 33 and the lower jumper cross arm 35, and the length of the middle jumper cross arm 33 is slightly larger than that of the lower jumper cross arm 35; the total length of the ground wire cross arm 31 is 9-11 m, the length of the upper jumper wire cross arm 32 is 4-4.5 m, the length of the middle jumper wire cross arm 33 is 11.5-13 m, the length of the lead wire cross arm 34 is 2.5-3.5 m, and the length of the lower jumper wire cross arm 35 is 10-12 m. In the present embodiment, the total length of ground wire cross arm 31 is 10m, the length of upper jumper cross arm 32 is 4.1m, the length of middle jumper cross arm 33 is 11.7m, the length of wire cross arm 34 is 2.92m, and the length of lower jumper cross arm 35 is 10.7 m. It should be noted that the length of the middle jumper cross arm 33, the length of the wire cross arm 34, and the length of the lower jumper cross arm 35 are calculated from the position of the central axis of the tower body 2.
The total length of the tower body 2 and the tower legs 1 is 65-75 m, and in the embodiment, the total length of the tower body 2 and the tower legs 1 is 69.5 m.
The steel materials of the tower body 2 and the tower legs 1 are steel pipes, the steel materials of the ground wire cross arm 31, the upper jumper wire cross arm 32, the middle jumper wire cross arm 33, the lead wire cross arm 34 and the lower jumper wire cross arm 35 are angle steel, and of course, other feasible materials can be selected according to factors such as landform, climate and the like.
Both ends of the ground wire cross arm 31 are provided with ground wire hanging points 311; the distal end portion of the upper jumper cross arm 32 has an upper jumper hanging point 321, the distal end portion of the middle jumper cross arm 33 has a middle jumper hanging point 331, and the distal end portion of the lower jumper cross arm 35 has a lower jumper hanging point 351; upper wire hanging points 342 are provided between the ground wire cross arm 31 and the middle jumper cross arm 33 and on the front and rear sides of the tower body 2, a middle wire hanging point 341 is provided at the distal end portion of the wire cross arm 34, and lower wire hanging points 343 are provided below the lower jumper cross arm 35 and on the front and rear sides of the tower body 2.
Conductor cross-arm 34 is located midway between middle jumper cross-arm 33 and lower jumper cross-arm 35.
The upper wire hanging point 342 is located at the middle position between the ground wire cross arm 31 and the middle jumper cross arm 33, and the distance between the upper wire hanging point 342 and the middle wire hanging point 341 is equal to the distance between the middle wire hanging point 341 and the lower wire hanging point 343.
The distance between the ground wire cross arm 31 and the middle jumper cross arm 33 is equal to the distance between the middle jumper cross arm 33 and the lower jumper.
As can be seen from the above, the two ground wire hanging points 311 are symmetrically distributed in the horizontal direction, the upper jumper hanging point 321, the middle jumper hanging point 331 and the lower jumper hanging point 351 are equally distributed in the vertical direction, and the upper conductor hanging point 342, the middle conductor hanging point 341 and the lower conductor hanging point 343 are equally distributed in the vertical direction; meanwhile, the two ground wire hanging points 311, the upper jumper hanging point 321, the middle jumper hanging point 331, the lower jumper hanging point 351, the upper conductor hanging point 342, the middle conductor hanging point 341 and the lower conductor hanging point 343 are distributed in a staggered manner in the horizontal direction, so that the whole stress of the corner tower is more uniform, and the service life of the corner tower is prolonged.
The principle of the embodiment is as follows: because the upper jumper cross arm 32, the middle jumper cross arm 33, the wire cross arm 34 and the lower jumper cross arm 35 are arranged on the same side of the tower body 2, the situation that all the cross arms extend to two sides of the tower body 2 is avoided, and the ground wire cross arm 31 is arranged at the top of the tower body 2 and stretches out to two sides of the tower body 2 for a short time; the part that body of the tower 2 and ground wire cross arm 31 stretch out body of the tower 2 adds wire jumper cross arm 32, well wire jumper cross arm 33, lower wire jumper cross arm 35 and encloses city "E" shape, the effectual circuit corridor width that has reduced, fine solution the house tear the removal difficult, walk the problem of footpath difficulty, simultaneously, such setting up economic benefits is showing, has practiced thrift the manpower of later stage installation, and social influence is little. Meanwhile, the two ground wire hanging points 311, the upper jumper hanging point 321, the middle jumper hanging point 331, the lower jumper hanging point 351, the upper conductor hanging point 342, the middle conductor hanging point 341 and the lower conductor hanging point 343 are uniformly distributed, so that the whole stress of the corner tower is more uniform.
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 (9)
1. The utility model provides a 750kV transmission of electricity single gyration angle tower, includes the tower leg, sets up the body of the tower above the tower leg and sets up the crossbeam on the body of the tower, its characterized in that: the crossbeam includes ground wire cross arm, goes up wire jumper cross arm, well wire jumper cross arm, wire cross arm and lower wire jumper cross arm, the ground wire cross arm sets up the top of body of the tower and slightly to the relative both sides of body of the tower extend, ground wire cross arm wherein one end extend be provided with go up the wire jumper cross arm, well wire jumper cross arm, wire cross arm and lower wire jumper cross arm top-down set gradually the below of ground wire cross arm, just go up wire jumper cross arm, well wire jumper cross arm, wire cross arm and lower wire jumper cross arm and lie in same one side of body of the tower.
2. The 750kV power transmission single-turn angle tower of claim 1, wherein: the length of the wire cross arm is shorter than the lengths of the middle jumper wire cross arm and the lower jumper wire cross arm; the distance from the middle part of the ground wire cross arm to the far end of the upper jumper wire cross arm is less than the lengths of the middle jumper wire cross arm and the lower jumper wire cross arm; the length of the middle jumper cross arm is longer than that of the lower jumper cross arm.
3. The 750kV power transmission single-turn angle tower of claim 1, wherein: the total length of the ground wire cross arm is 9-11 m, the length of the upper jumper wire cross arm is 4-4.5 m, the length of the middle jumper wire cross arm is 11.5-13 m, the length of the lead wire cross arm is 2.5-3.5 m, and the length of the lower jumper wire cross arm is 10-12 m.
4. A 750kV power transmission single-turn angle tower according to any of claims 1 to 3, characterized in that: the total length of the tower body and the tower legs is 65-75 m.
5. The 750kV power transmission single-turn angle tower of claim 1, wherein: the wire cross arm is located at the middle position between the middle jumper wire cross arm and the lower jumper wire cross arm.
6. The 750kV power transmission single-turn angle tower of claim 5, wherein: two ends of the ground wire cross arm are provided with ground wire hanging points; the far end part of the upper jumper cross arm is provided with an upper jumper hanging point, the far end part of the middle jumper cross arm is provided with a middle jumper hanging point, and the far end part of the lower jumper cross arm is provided with a lower jumper hanging point; the tower body is provided with a ground wire cross arm and a middle jumper cross arm, wherein the front side and the rear side of the tower body are respectively provided with an upper wire hanging point, the distal end part of the wire cross arm is provided with a middle wire hanging point, and the front side and the rear side of the tower body are respectively provided with a lower wire hanging point below the lower jumper cross arm.
7. The 750kV power transmission single-turn angle tower of claim 6, wherein: the upper wire hanging point is located in the middle between the ground wire cross arm and the middle wire jumper cross arm, and the distance between the upper wire hanging point and the middle wire hanging point is equal to the distance between the middle wire hanging point and the lower wire hanging point.
8. A750 kV power transmission single-turn-angle tower according to any one of claims 5 to 7, characterized in that: the distance between the ground wire cross arm and the middle jumper wire cross arm is equal to the distance between the middle jumper wire cross arm and the lower jumper wire.
9. The 750kV power transmission single-turn angle tower of claim 1, wherein: the tower body with the steel of tower leg is the steel pipe, the steel of ground wire cross arm, last wire jumper cross arm, well wire jumper cross arm, wire cross arm and lower wire jumper cross arm is the angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571827.9U CN212406301U (en) | 2020-04-16 | 2020-04-16 | 750kV transmission of electricity single gyration angle tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020571827.9U CN212406301U (en) | 2020-04-16 | 2020-04-16 | 750kV transmission of electricity single gyration angle tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212406301U true CN212406301U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020571827.9U Active CN212406301U (en) | 2020-04-16 | 2020-04-16 | 750kV transmission of electricity single gyration angle tower |
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| Country | Link |
|---|---|
| CN (1) | CN212406301U (en) |
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2020
- 2020-04-16 CN CN202020571827.9U patent/CN212406301U/en active Active
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