CN202645101U - Four-circuit steel tube tower enabling double-circuit 1000 kV and double-circuit 500 kV alternating current power transmission to be conducted on same tower - Google Patents
Four-circuit steel tube tower enabling double-circuit 1000 kV and double-circuit 500 kV alternating current power transmission to be conducted on same tower Download PDFInfo
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- CN202645101U CN202645101U CN 201220290244 CN201220290244U CN202645101U CN 202645101 U CN202645101 U CN 202645101U CN 201220290244 CN201220290244 CN 201220290244 CN 201220290244 U CN201220290244 U CN 201220290244U CN 202645101 U CN202645101 U CN 202645101U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 58
- 239000010959 steel Substances 0.000 title claims abstract description 58
- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000725 suspension Substances 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 238000010276 construction Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Abstract
The utility model provides a four-circuit steel tube tower enabling double-circuit 1000 kV and double-circuit 500 kV alternating current power transmission to be conducted on the same tower. The four-circuit steel tube tower has a large effect on saving a line corridor, reducing project investment and increasing transmission capacity. The iron tower is composed of a ground wire support, a 1000 kV upper conductive cross arm, a 1000 kV middle conductive cross arm, a 1000 kV lower conductive cross arm, a 500 kV middle conductive cross arm, a 500 kV lower conductive cross arm, a tower body above achanging slope, a tower body below the changing slope and tower legs. All lead suspension strings are distributed to form a V shape, 1000 kV leads are arranged vertically and arranged on three layers of cross arms on the upper portion, and 500 kV leads are arranged in triangular mode and arranged on two layers of cross arms on the lower portion. By arranging the tower shape reasonably, tower height is reduced, the line corridor is saved, the tower is simple in structure and clear in force transmission, reduces bending moment of a main pipe rod end at a changing slope position, can give full play to the bearing performance of tower materials, and effectively reduces the iron tower weight. Steel pipes are all connected through inserting plates and forged flanges. The strength range high-neck forged flanges are used for the first time, and compared with a common steel pipe tower, the tower weight is reduced by approximately 20%.
Description
Technical field
The utility model belongs to the transmission line equipment field, is specifically related to a kind of two 1000kV of returning and returns 500kV ac transmission with four times steel tube towers of tower with two.
Background technology
" development extra-high voltage " included China " 12 " planning outline in, becomes the important content of national strategy, and the development extra-high voltage is the most important thing of State Grid Corporation of China " 12 " power grid construction, and engineering construction faces new challenges.The end of the year 2008, the success of China's first 1000kV AC extra high voltage transmission line experiment and demonstration engineering is built up, indicate the once great leap of China's technology of transmission of electricity development, but the problem that circuit corridor anxiety in the UHV transmission line construction, also occurred, particularly populous, economically developed East China Soviet Union Shanghai, Zhejiang is regional, original power transmission line corridor will be utilized in these rare areas, local line corridor, and extra high voltage line and supertension line parallel erected on same tower need be carried out.
Two times 1000kV and two 500kV that return set up with tower four return leads and meet the general requirement of building a resource-conserving society, be economically developed, the soil is expensive, the house congested area is saved the circuit corridor and the most effectual way of construction investment, raising transmission capacity.Two times 1000kV and two 500kV that return also can obviously increase with tower four circuit pole tower height and weight, for being subjected to the larger electric power line pole tower of Wind effects, along with its reliability of increase of tower height more and more can not be ignored.
Summary of the invention
The utility model purpose is to provide a kind of two 1000kV of returning to return 500kV ac transmission with four times steel tube towers of tower with two, for saving circuit corridor, minimizing construction investment and improving transmission capacity and play larger effect, and the four times steel tube towers under extreme conditions ability of anti-natural calamity improve, and have guaranteed the reliability of ultra-high/extra-high voltage multi-circuit lines on the same tower.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of two 1000kV of returning returns 500kV ac transmission with four times steel tube towers of tower with two, and described steel tube tower is provided with tower head, body of the tower and tower leg along its axis direction; Its improvements are:
Described steel tube tower adopts does font; Described body of the tower comprises body of the tower and lower body of the tower, and described upper body of the tower and lower body of the tower are that conical steel pipe consists of;
Described body of the tower be provided with successively from top to bottom lead on the 1000kV lead among cross-arm, the 1000kV lead cross-arm under cross-arm, the 1000kV, upper the leading under cross-arm and the 500kV of 500kV led cross-arm;
The position, change slope of described body of the tower is arranged on leads the cross-arm place under the described 500kV, become the slope oblique material of place's body of the tower and take the X-type arrangement form.
Another optimal technical scheme of the present invention is: the two ends of leading cross-arm on the described 1000kV are arranged with earth wire support, and described earth wire support is steel angle structure.
An again optimal technical scheme of the present invention is: parallel vertical setting between described three 1100kV cross-arms, umbellate form setting between described two 500kV cross-arms is led upper the leading between the cross-arm of cross-arm and 500kV and is vertically arranged under the described 1000kV.。
An again optimal technical scheme of the present invention is: adopt plate and forged flange to connect between the steel pipe of described steel tube tower.
Another optimal technical scheme of the present invention is: described body of the tower arranges one and becomes the slope, becomes the slope coplanar every face and orlop 500kV cross-arm lower plane, body of the tower become the slope every face take upgrade as 4.8%, body of the tower become sloping every face take descending slope as 14.6%.
Owing to having adopted technique scheme, compared with prior art, the beneficial effects of the utility model comprise:
1) 1000kV exchanges with 500kV with four times steel tube towers of tower and adopts dried font steel tube tower, has arranged altogether 5 layers of cross-arm, and earth wire support is connected on the superiors' cross-arm; 12 phase conductor suspension strings are all arranged by " V " type, 1000kV wire vertical arrangement, 500kV wire triangle arrangement, wherein lead on the 500kV with in lead a public cross-arm; By to the making rational planning for of tower, effectively reduce tower height, saved the circuit corridor.
By tower material reasonable Arrangement, make that this tower structure is succinct, power transmission is clear, effectively reduce and become sloping position supervisor's Moment at End, can give full play to the load-carrying properties of tower material, effectively reduce steel tower weight.
2) adopt steel tube tower can give full play to steel tube component and bear the performances such as blast is little, the cross section bending rigidity is large, plasticity is good, reduced on the one hand steel tower weight, reduced basic role power, strengthen on the other hand steel tower and under extreme conditions resisted the ability of natural calamity, guaranteed the reliability of ultra-high/extra-high voltage multi-circuit lines on the same tower.
3) improve body of the tower and become sloping position, will become the slope and be arranged on first floor cross-arm place, and will become slope place's oblique material of body of the tower and be arranged to " * " pattern, reduced main material Moment at End, reduced main material specification.
4) the highest material of steel pipe is Q420B, and steel pipe all adopts plate and forged flange to connect, and the differential hub forged flange of first Application intensity, compares with conventional steel tube tower, alleviates tower weight approximately 20%.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is that a kind of two 1000kV of returning returns 500kV ac transmission with the Facad structure schematic diagram of four times steel tube towers of tower with two;
Fig. 2 is that a kind of two 1000kV of returning returns 500kV ac transmission with the side structure schematic diagram of four times steel tube towers of tower with two;
Fig. 3 is that a kind of two 1000kV of returning returns 500kV ac transmission with the differential hub forged flange of the intensity front view of four times steel tube towers of tower with two;
Fig. 4 is that a kind of two 1000kV of returning returns 500kV ac transmission with the differential hub forged flange of the intensity sectional drawing of four times steel tube towers of tower with two;
Fig. 5 is that a kind of two 1000kV of returning returns 500kV ac transmission with the steel tube component schematic cross-section of four times steel tube towers of tower with two.
Reference numeral:
Lead on 1-earth wire support, the 2-1000kV to lead among cross-arm, the 3-1000kV and lead upper the leading of cross-arm, 5-500kV under cross-arm, the 4-1000kV and lead under cross-arm, the 6-500kV that cross-arm, 7-become the above body of the tower in slope, 8-becomes sloping following body of the tower, 9-tower leg.
The specific embodiment
Below in conjunction with example the utility model is described in detail.
The utility model purpose is to provide a kind of circuit corridor rare area, and 1000kV extra-high voltage and 500kV super-pressure are with the steel tower of the new structure of tower four times and frame, and it includes tower leg 9, body of the tower, cross-arm and earth wire support 1.Two times 1000kV and two times 500kV transmission line of alternation currents are with tower four Loop Steel Towers, and 124.1 meters of overall heights are China and even the power transmission steel pipe tower that single tower transmission capacity is maximum, highly the highest, load is maximum that is applied to up to now in the world general line project.The highest material of steel pipe is Q420B, and steel pipe all adopts plate and forged flange to connect the differential hub forged flange of first Application intensity.
The RELIABILITY INDEX of this tower is not less than 3.8, based on the load return periods in 100 years the shaft tower wind fluttering factor has been carried out segmentation calculating, has taken into full account the impact of cross-arm size and quality sudden change.Considered the adverse effect of main material Moment at End and wind load " Eiffel effect " in the calculating.This tower body of the tower master material has been selected the Q420 high strength steel pipe and has been connected the Q420 band neck W.N flange of configuration and connects, and through Technological Economy relatively, compares with the Q345 steel tube tower, alleviates tower weight approximately 20%.
As shown in Figure 1, this steel tower is led upper the leading of cross-arm 4,500kV and is led cross-arm 6 under cross-arm 5, the 500kV, becomes the above body of the tower 7 in slope, becomes sloping following body of the tower 8 and tower leg 9 forms by leading on earth wire support 1, the 1000kV to lead among cross-arm 2, the 1000kV under cross-arm 3, the 1000kV.Fig. 2 is four times steel tube tower left views.
The all conducting suspension string is by " V " type layout, and 1000kV wire vertical arrangement is arranged on the three layers of cross-arm in top, namely leads on the 1000kV to lead among cross-arm 2, the 1000kV and leads cross-arm 4 under cross-arm 3 and the 1000kV; 500kV wire triangle arrangement is arranged on the two layers of cross-arm in bottom, and namely upper the leading of 500kV led cross-arm 6 under cross-arm 5 and the 500kV.
Steel tower adopts does font, body of the tower is become sloping position be arranged on first floor cross-arm place, becomes the slope oblique material of place's body of the tower and takes " * " shape layout pattern.Except earth wire support 1 is the steel angle structure, steel tubular structure is all adopted at all the other positions, and the highest material of steel pipe is Q420B, and steel pipe all adopts plate and forged flange to connect the differential hub forged flange of first Application intensity.By tower material reasonable Arrangement, make that this tower structure is succinct, power transmission is clear, effectively reduce and become sloping position supervisor's Moment at End, can give full play to the load-carrying properties of tower material, effectively reduce steel tower weight.Fig. 3, Fig. 4 are forged flange front view and sectional drawing, and Fig. 5 is the steel tube component cross-sectional form.
Invention has been described according to specific exemplary embodiment herein.It will be apparent carrying out to one skilled in the art suitable replacement or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (5)
1. two 1000kV of returning return 500kV ac transmission with four times steel tube towers of tower with two, and described steel tube tower is provided with tower head, body of the tower and tower leg (9) along its axis direction; It is characterized in that:
Described steel tube tower adopts does font; Described body of the tower comprises body of the tower (7) and lower body of the tower (8), and described upper body of the tower (7) and lower body of the tower (8) are that conical steel pipe consists of;
Described body of the tower be provided with successively from top to bottom lead on the 1000kV lead among cross-arm (2), the 1000kV lead cross-arm (4) under cross-arm (3), the 1000kV, upper the leading of 500kV led cross-arm (6) under cross-arm (5) and the 500kV;
Position, the change of described body of the tower slope is arranged on leads cross-arm (6) and locates under the described 500kV, become the slope oblique material of place's body of the tower and take the X-type arrangement form.
2. a kind of two 1000kV of returning as claimed in claim 1 return 500kV ac transmission with four times steel tube towers of tower with two, it is characterized in that the two ends of leading cross-arm (2) on the described 1000kV are arranged with earth wire support (1), described earth wire support (1) is steel angle structure.
3. a kind of two 1000kV of returning as claimed in claim 1 return 500kV ac transmission with four times steel tube towers of tower with two, it is characterized in that parallel vertical setting between described three 1100kV cross-arms, umbellate form setting between described two 500kV cross-arms is led upper the leading between the cross-arm (5) of cross-arm (4) and 500kV and is vertically arranged under the described 1000kV.
4. a kind of two 1000kV of returning as claimed in claim 1 return 500kV ac transmission with four times steel tube towers of tower with two, it is characterized in that adopting plate and forged flange to connect between the steel pipe of described steel tube tower.
5. a kind of two 1000kV of returning as claimed in claim 1 return 500kV ac transmission with four times steel tube towers of tower with two, it is characterized in that described body of the tower arranges one and becomes the slope, become the slope coplanar every face and orlop 500kV cross-arm lower plane, body of the tower become the slope every face take upgrade as 4.8%, body of the tower become the slope every face take descending slope as 14.6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290244 CN202645101U (en) | 2012-06-15 | 2012-06-15 | Four-circuit steel tube tower enabling double-circuit 1000 kV and double-circuit 500 kV alternating current power transmission to be conducted on same tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290244 CN202645101U (en) | 2012-06-15 | 2012-06-15 | Four-circuit steel tube tower enabling double-circuit 1000 kV and double-circuit 500 kV alternating current power transmission to be conducted on same tower |
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| Publication Number | Publication Date |
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| CN202645101U true CN202645101U (en) | 2013-01-02 |
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| CN 201220290244 Expired - Lifetime CN202645101U (en) | 2012-06-15 | 2012-06-15 | Four-circuit steel tube tower enabling double-circuit 1000 kV and double-circuit 500 kV alternating current power transmission to be conducted on same tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346515A (en) * | 2013-05-30 | 2013-10-09 | 中国电力科学研究院 | Method for reducing capacitive induced voltage among supervoltage lines and extra-high voltage lines |
| CN103726703A (en) * | 2013-11-22 | 2014-04-16 | 国家电网公司 | Alternating current extra-high voltage same-tower double-circuit tangent tower |
| CN103944105A (en) * | 2014-05-06 | 2014-07-23 | 国网上海市电力公司 | Pulley hanging point spanning frame with four circuits on same tower |
| CN103956680A (en) * | 2014-05-06 | 2014-07-30 | 国网上海市电力公司 | Safe and reliable crossing frame |
| CN108425537A (en) * | 2016-06-27 | 2018-08-21 | 孙丽君 | A kind of electric force pole tower |
-
2012
- 2012-06-15 CN CN 201220290244 patent/CN202645101U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346515A (en) * | 2013-05-30 | 2013-10-09 | 中国电力科学研究院 | Method for reducing capacitive induced voltage among supervoltage lines and extra-high voltage lines |
| CN103726703A (en) * | 2013-11-22 | 2014-04-16 | 国家电网公司 | Alternating current extra-high voltage same-tower double-circuit tangent tower |
| CN103726703B (en) * | 2013-11-22 | 2016-04-13 | 国家电网公司 | A kind of alternating-current extra-high voltage one-tower double-circuit linear tower |
| CN103944105A (en) * | 2014-05-06 | 2014-07-23 | 国网上海市电力公司 | Pulley hanging point spanning frame with four circuits on same tower |
| CN103956680A (en) * | 2014-05-06 | 2014-07-30 | 国网上海市电力公司 | Safe and reliable crossing frame |
| CN108425537A (en) * | 2016-06-27 | 2018-08-21 | 孙丽君 | A kind of electric force pole tower |
| CN108643674A (en) * | 2016-06-27 | 2018-10-12 | 孙丽君 | A kind of electric force pole tower |
| CN108643675A (en) * | 2016-06-27 | 2018-10-12 | 孙丽君 | A kind of electric force pole tower |
| CN108643674B (en) * | 2016-06-27 | 2020-05-15 | 漳浦新时代农业开发有限公司 | Electric power tower |
| CN108643675B (en) * | 2016-06-27 | 2020-05-19 | 漳浦新时代农业开发有限公司 | Electric power tower |
| CN108425537B (en) * | 2016-06-27 | 2020-06-12 | 烟台知兴知识产权咨询服务有限公司 | Electric power tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140321 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140321 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |