CN203891534U - F-type tension support for extra-high voltage direct current transmission line - Google Patents
F-type tension support for extra-high voltage direct current transmission line Download PDFInfo
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- CN203891534U CN203891534U CN201420074218.7U CN201420074218U CN203891534U CN 203891534 U CN203891534 U CN 203891534U CN 201420074218 U CN201420074218 U CN 201420074218U CN 203891534 U CN203891534 U CN 203891534U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 8
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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Abstract
The utility model provides an F-type tension support for an extra-high voltage direct current transmission line. The F-type tension support comprises a support head, a support body and multiple support legs, and also comprises an upper cross arm, a lower cross arm, an upper jumper bracket and a lower jumper bracket, wherein the upper cross arm is located at the top of the support head and is used for hanging a ground wire, the lower cross arm is located at the lower part of the support head and is used for hanging a ground wire, the upper jumper bracket is 11-13m long, is located on the outermost side of the upper cross arm and is used for hanging a jumper, and the lower jumper bracket is 11-13m long, is located on the outermost side of the lower cross arm and is used for hanging a jumper. According to the F-type tension support, the size of the support body is big enough, heavy load of a 900mm<2> wire extra-high voltage direct current transmission line can be borne, line passages can be saved, the demolition quantity of houses is effectively reduced, and better economic benefits and social benefits are achieved.
Description
Technical field
The utility model relates to a kind of F type anchor support, particularly a kind of F type anchor support for extra high voltage direct current transmission line.
Background technology
Along with maintaining sustained and rapid growth of China's economy, more and more vigorous to the demand of electric power, require further to accelerate west area power supply exploitation, strengthen the dynamics of transferring electricity from the west to the east, realize the western and eastern's initiative and advantages of the localities complementary, optimize power supply and electric network composition.Also in the urgent need to progressively improving transmission line of electricity capacity and electric pressure, UHV transmission line engineering is built in development simultaneously.
Current extra high voltage direct current transmission line is ± 800kV extra high voltage direct current transmission line, the conventional horizontal type anchor support that adopts, and two-stage wire all adopts horizontal symmetrical to arrange, and its advantage is that tower bar structural configuration is simple, circuit body cost is low, operating experience is ripe.Because the horizontal range between its both sides wire is generally 22 meters of left and right, so its corridor taking is wider.For transmission line of electricity, gallery problem has become the matter of utmost importance of restriction power network development, and well-known, Yangtze River Delta Area is the most economically developed area of China, and industrial enterprise and house owed by a citizen are numerous.
The architectural feature of the anchor support of this routine is, two polar conductors adopt horizontally, and horizontal range is wider, and the gallery taking is larger.Comparatively speaking, if adopt F type anchor support, there is the line channel of saving, a large amount of advantages such as tearing room, minimizing construction investment open that reduces,
The F type anchor support of current domestic have ± 800kV DC line, but F type anchor support of the prior art is generally designed for and hangs sectional area is the wire of 720mm2 wire, cannot meet the electric and burden requirement to 900mm2 wire extra high voltage direct current transmission line steel tower.Therefore, be there is to certain difficulty in the design of 900mm2 wire F type tension resistant tower of UHV DC transmission line: should guarantee the operation of UHV transmission line engineering safety, the solution F type anchor support of economical rationality design again, this is a difficult problem.
Utility model content
The purpose of this utility model is to provide a kind of F type tension resistant tower of UHV DC transmission line, can guarantee under the prerequisite of extra high voltage direct current transmission line engineering safety operation, considers again economically, and saving steel, saves line channel.
The F type anchor support for extra high voltage direct current transmission line that the utility model provides, comprises tower head, tower body and many tower legs, and this F type anchor support is characterised in that, also comprises:
Upper cross-arm, described upper cross-arm is positioned at the top of described tower head, for hanging ground wire;
Lower cross-arm, described lower cross-arm is positioned at the bottom of described tower head, for hanging ground wire;
Upper wire jumper support, the length of described wire jumper support is 11～13 meters and is positioned at the outermost of described upper cross-arm, for hanging wire jumper; And
Lower wire jumper support, the length of described wire jumper support is 11～13 meters and is positioned at the outermost of described lower cross-arm, for hanging wire jumper,
The middle part of described tower head is provided with for hanging the upper conductor hanging point of wire,
The middle part of described tower body is provided with for hanging the lower wire hanging point of wire,
Described upper cross-arm and described lower cross-arm are positioned at the both sides of described tower body,
It is 20～21 meters that root among described many tower legs between two tower legs of the same side of this F type anchor support is opened distance.
In another preference, the length of described upper wire jumper support and described lower wire jumper support is all 12 meters.
In another preference, described is opened distance is 20.4 meters.
In another preference, the sectional area of described wire is 900 square millimeters.
In another preference, the transmission pressure that described lower wire hanging point hangs and the distance on ground are generally at least 10 meters.Preferably at least 15 meters, be more preferably at least 20 meters.Preferably, the transmission pressure that described lower wire hanging point hangs and the distance on ground are 19 ± 5 meters, and tower body power transmission line corridor width is 40.2 ± 8m.
More preferably, the transmission pressure that described lower wire hanging point hangs and the distance on ground are 22 ± 5 meters, and tower body power transmission line corridor width is 40.4 ± 8 meters.
In another preference, the length of described upper cross-arm is 12～16 meters.
In another preference, the length of described lower cross-arm is 11～15 meters.
In another preference, described extra high voltage direct current transmission line is ± 800kV extra high voltage direct current transmission line.
In another preference, described tower body is steel work tower body.
Preferably, the material of described steel comprises Q420 high-strength steel, Q345 steel and Q235 steel.
Should be understood that the size in literary composition is only to a demonstration of the present utility model, is not the restriction to the utility model scope.In within the scope of the utility model, above-mentioned each technical characterictic of the present utility model and can combining mutually between specifically described each technical characterictic in below (eg embodiment), thus form new or preferred technical scheme.As space is limited, at this, tire out and state no longer one by one.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the F type anchor support for extra high voltage direct current transmission line of the present utility model.
The specific embodiment
The utility model people is through extensive and deep research, researched and developed first a kind of F type tension resistant tower of UHV DC transmission line, can guarantee, under the prerequisite of extra high voltage direct current transmission line engineering safety operation, to consider again economical, saving steel, saves line channel.Completed on this basis the utility model.
The DC power transmission line of refer at least ± 660kV of term herein " extra high voltage direct current transmission line ", for example ± 800kV, ± 1100kV DC power transmission line.
Below with reference to accompanying drawing, preferred embodiment of the present utility model is elaborated, so that clearer, understands the purpose of this utility model, feature and advantage.Should be understood that concrete size of the present utility model can change and regulate according to actual conditions (as landform) etc., the size therefore below providing is only a kind of preferred size, is not the restriction to the utility model scope.
Fig. 1 illustrates an embodiment of the present utility model, as shown in the figure, is applicable to the F type anchor support of UHVDC Transmission Lines, comprise tower head 4, tower body 3 and many tower legs, F type anchor support comprises: upper cross-arm 11, and upper cross-arm 11 is positioned at the top of described tower head 4, for hanging ground wire; Lower cross-arm 12, described lower cross-arm 12 is positioned at the bottom of described tower head 4, for hanging ground wire; Be positioned at the upper conductor hanging point 51 and the lower wire hanging point 52 that is positioned at tower body 3 middle parts at tower head 4 middle parts, for hanging wire; Upper cross-arm 11 and lower cross-arm 12 are arranged at the both sides of tower body.The two poles of the earth transmission pressure is directly hung on tower body 3; Upper wire jumper support 21 is positioned at the outermost of cross-arm 11, for hanging wire jumper; Lower wire jumper support 22 is positioned at the outermost of lower cross-arm 12, for hanging wire jumper.
Conventionally, the length of upper wire jumper support and lower wire jumper support is 11～13 meters.Preferably, be preferably 12 meters.
Upper conductor hanging point 51 hangs a utmost point transmission pressure, and lower wire hanging point 52 hangs another utmost point transmission pressure, makes the two poles of the earth transmission pressure be vertical arrangement.
Conventionally, the transmission pressure that lower wire hanging point hangs and the distance on ground are at least 10 meters.Preferably, the distance on described transmission pressure and ground is at least 22m.
Conventionally, among described many tower legs the root between two tower legs of the same side of this F type anchor support to open distance be 20～21 meters.Preferably, be preferably 20.4 meters.
Extra high voltage direct current transmission line is ± 800kV extra high voltage direct current transmission line.
Tower body is steel work tower body, and conventionally, the material of described steel comprises Q420 high-strength steel, Q345 steel and Q235 steel.The length of upper cross-arm is 13.5 ± 5 meters; With or the length of described lower cross-arm be 13 ± 5 meters, tower body height is 84 ± 20 meters.
As mentioned above, F type tension resistant tower of UHV DC transmission line of the present utility model has increased stress-bearing capability and the structural rigidity of steel tower, in can adapt to ± 800kV UHVDC Transmission Lines, hang load and loading characteristic that sectional area is 900 square millimeters of wires, can guarantee, under the prerequisite of extra high voltage direct current transmission line engineering safety operation, to make line design economical rationality.
In addition, this ± 800kV F type tension resistant tower of UHV DC transmission line can be saved line channel, reduce housing demolition, has good economic benefit and social benefit.
All documents of mentioning at the utility model are all quoted as a reference in this application, just as each piece of document, are quoted as a reference separately.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read above-mentioned instruction content of the present utility model, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (9)
1. for a F type anchor support for extra high voltage direct current transmission line, comprise tower head, tower body and many tower legs, this F type anchor support is characterised in that, also comprises:
Upper cross-arm, described upper cross-arm is positioned at the top of described tower head, for hanging ground wire;
Lower cross-arm, described lower cross-arm is positioned at the bottom of described tower head, for hanging ground wire;
Upper wire jumper support, the length of described wire jumper support is 11～13 meters and is positioned at the outermost of described upper cross-arm, for hanging wire jumper; And
Lower wire jumper support, the length of described wire jumper support is 11～13 meters and is positioned at the outermost of described lower cross-arm, for hanging wire jumper,
The middle part of described tower head is provided with for hanging the upper conductor hanging point of wire,
The middle part of described tower body is provided with for hanging the lower wire hanging point of wire,
Described upper cross-arm and described lower cross-arm are positioned at the both sides of described tower body,
It is 20～21 meters that root among described many tower legs between two tower legs of the same side of this F type anchor support is opened distance.
2. F type anchor support according to claim 1, is characterized in that,
The length of described upper wire jumper support and described lower wire jumper support is all 12 meters.
3. F type anchor support according to claim 1 and 2, is characterized in that,
Described is opened distance is 20.4 meters.
4. F type anchor support according to claim 1, is characterized in that,
The sectional area of described wire is 900 square millimeters.
5. F type anchor support according to claim 1, is characterized in that,
The distance on described lower wire hanging point and ground is more than or equal to 10 meters.
6. F type anchor support according to claim 1, is characterized in that,
The length of described upper cross-arm is 10～18 meters.
7. F type anchor support according to claim 1, is characterized in that,
The length of described lower cross-arm is 8～16 meters.
8. F type anchor support according to claim 1, is characterized in that,
Described extra high voltage direct current transmission line is ± 800kV extra high voltage direct current transmission line.
9. F type anchor support according to claim 1, is characterized in that,
Described tower body is steel work tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074218.7U CN203891534U (en) | 2014-02-13 | 2014-02-13 | F-type tension support for extra-high voltage direct current transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420074218.7U CN203891534U (en) | 2014-02-13 | 2014-02-13 | F-type tension support for extra-high voltage direct current transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203891534U true CN203891534U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420074218.7U Expired - Fee Related CN203891534U (en) | 2014-02-13 | 2014-02-13 | F-type tension support for extra-high voltage direct current transmission line |
Country Status (1)
| Country | Link |
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| CN (1) | CN203891534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661399A (en) * | 2017-03-29 | 2018-10-16 | 中国电力科学研究院 | A kind of interim shaft tower of transmission line of electricity |
| CN110453958A (en) * | 2018-05-07 | 2019-11-15 | 中国电力工程顾问集团华北电力设计院有限公司 | Fixed single-blade formula double loop anchor support |
-
2014
- 2014-02-13 CN CN201420074218.7U patent/CN203891534U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661399A (en) * | 2017-03-29 | 2018-10-16 | 中国电力科学研究院 | A kind of interim shaft tower of transmission line of electricity |
| CN110453958A (en) * | 2018-05-07 | 2019-11-15 | 中国电力工程顾问集团华北电力设计院有限公司 | Fixed single-blade formula double loop anchor support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 |