CN201610653U - Q420 high-strength steel pipe power transmission tower - Google Patents
Q420 high-strength steel pipe power transmission tower Download PDFInfo
- Publication number
- CN201610653U CN201610653U CN2010203024556U CN201020302455U CN201610653U CN 201610653 U CN201610653 U CN 201610653U CN 2010203024556 U CN2010203024556 U CN 2010203024556U CN 201020302455 U CN201020302455 U CN 201020302455U CN 201610653 U CN201610653 U CN 201610653U
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- steel pipe
- tower
- flanges
- strength
- strength steel
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- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 79
- 239000010959 steel Substances 0.000 title claims abstract description 79
- 230000005540 biological transmission Effects 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 229910000746 Structural steel Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Suspension Of Electric Lines Or Cables (AREA)
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- Wind Motors (AREA)
Abstract
The utility model discloses a Q420 high-strength steel pipe power transmission tower which comprises cross arms, tower main material and flanges. The cross arms adopt an angle iron type. The tower main material is composed of steel pipes and flanges. The steel pipes are connected through flanges. The Q420 high-strength steel pipes are adopted as the tower main material. The Q420 high-strength steel pipes are connected through flanges. The Q420 high-strength flexibly forged flanges are adopted as the flanges. The flanges are connected through 8.8 grade high-strength bolts. The Q420 high-strength steel pipe power transmission tower has the following beneficial effects: improved bearing strength of the steel pipe tower main material, reduced diameter of steel pipe, reduced wind load of tower, reduced tower weight, energy saving, exhaust reduction, simple structure and attractive appearance.
Description
Technical field:
The utility model relates to Q420 high strength steel pipe steel tube tower in electric transmission line, especially double loop or multiloop ultra-high-tension power transmission line steel tube tower.
Background technology:
At present, though the angle steel tower has ripe design, processing, construction experience, its structure build coefficient is big, and member and number of bolts are many, the assembly working amount is big, steel consumption is more.Especially adopt the electric power pylon of the combination angle steel complexity that not only designs, processes, constructs, and because compound section angle steel wind carrier model coefficient is bigger, rod member quantity and specification are many, the joint structure complexity, junction plate, structure plate, auxiliary material use quantity are many, thereby cause steel consumption further to increase, the assembling difficulty is bigger.Simultaneously, because the windage build coefficient of angle steel tower is bigger, the outer load in the basis of iron tower increases thereupon, and the concrete and the steel consumption on basis all will increase, and economic benefit is not satisfactory.
The good aerodynamic quality of circular cross-section steel pipe component, blast build coefficient only are about 1/2 of angle steel; The kernel of section symmetry, stressed isotropism; Material evenly distributes, and the cross section bending rigidity is big.Adopt steel tube component, not only can reduce the body of the tower wind load, promote bearing capacity, can also fully balancedly bring into play the performance of material, improve stability of structure, simultaneously number of components few, be convenient to installation and transportation, steel consumption is less, pattern is attractive in appearance.
Strong steel matter among the most employing of the at present domestic steel tube tower Q345 adopts the steel tube tower of Q420 high-strength steel also not adopt in electric power pylon.
The utility model content:
For the windage build coefficient that solves the angle steel tower bigger, the outer load in basis is big, the deficiency that the concrete on basis and steel consumption increase, simultaneously in order to remedy the strength deficiency problem of Q345 steel tube tower, the utility model has adopted the Q420 high strength steel pipe to design high-voltage transmission line towers.
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, and a kind of Q420 high strength steel pipe electric power pylon is provided, and described electric power pylon comprises cross-arm 2, body of the tower master material 1 and flange 3; Described cross-arm 2 adopts the angle steel pattern; Described body of the tower master material 1 is made of steel pipe and flange 3; Adopt flange 3 to connect between the described steel pipe.Described body of the tower master material 1 adopts the Q420 high strength steel pipe; Adopt flange 3 to connect between the described Q420 high strength steel pipe; Described flange 3 adopts the Q420 high tensile flexible to forge flange 3.Described flange 3 adopts 8.8 grades of high-strength bolts to connect.
The beneficial effects of the utility model are, can improve the bearing strength of steel tube tower master material, reduce the steel pipe caliber, reduce the body of the tower wind load, alleviate tower weight, and energy-saving and emission-reduction are simultaneously simple in structure, good looking appearance.
Description of drawings:
Fig. 1 is a Q420 high strength steel pipe electric power pylon structural representation of the present utility model.
Wherein: 1 is body of the tower master material 1; 2 is cross-arm 2; 3 is flange 3.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Referring to Fig. 1, a kind of Q420 high strength steel pipe electric power pylon, described electric power pylon comprises cross-arm 2, body of the tower master material 1 and flange 3; Described cross-arm 2 adopts the angle steel pattern; Described body of the tower master material 1 is made of steel pipe and flange 3; Adopt flange 3 to connect between the described steel pipe.Described body of the tower master material 1 adopts the Q420 high strength steel pipe; Adopt flange 3 to connect between the described Q420 high strength steel pipe; Described flange 3 adopts the Q420 high tensile flexible to forge flange 3.Described flange 3 adopts 8.8 grades of high-strength bolts to connect.
Tower 7GA-SJ2 exhales high 42m, and wherein this height 28.5m meets the long 13.5m of leg, height overall 84.9m.Horizontal span 550m, vertical span 800m, corner 2040 degree.This Tata header structure is complicated, body of the tower master material 1 be the Q420 steel pipe, and main material node type of attachment is for forging the high-strength hubbed flange 3 of Q420, and for avoiding passing through the weldering connection mutually between steel pipe, body of the tower intersects oblique material steel pipe and all adopts " ten " word plate node type of attachment.
Body of the tower master material 1 adopts the Q420 high strength steel pipe, because tower leg master material member specification is by strength control, the Q420 high strength steel pipe applied on the tower leg master material can receive obvious effects.Body of the tower master material 1 adopts Q420 high-strength steel list limb angle steel just can meet design requirement, so this engineering body of the tower master material 1 and the oblique material employing steel pipe that intersects, and cross-arm 2 adopts angle steel.
Be connected between Q420 high strength steel pipe master material steel pipe and forge the high-strength hubbed flange 3 of Q420.
To use the location winter temperature lower in view of the engineering steel tube tower, be the brittle fracture under low temperature of avoiding adopting the Q420 high-strength steel to cause, need to improve the steel grade grade of Q420, according to the suggestion of steel tube tower universal design expert group, the high-strength weldment of Q420 of this engineering Q420 high strength steel pipe and welding with it thereof adopts C level steel.
The use of the strong steel pipe of Q420 in iron tower of power transmission line still belongs to the first time at home, welding position on the steel tube tower is more, steel grade level at the northwest low temp area is else selected the low-temperature brittle fracture that should prevent high-strength steel welding position Q420 high strength steel pipe of the present utility model electric power pylon for use, per ton cost reduces 100-200 unit than prior art institute electricity consumption iron tower, and can be used in operating temperature and be equal to or less than-20 ℃ area, because steel pipe of the present utility model and welded blank adopt C level steel, so its structural strength height, good stability.
Above content is to further describing that the utility model is done in conjunction with concrete preferred implementation; can not assert that the specific embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; under the prerequisite that does not break away from the utility model design; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by claims of being submitted to.
Claims (3)
1. Q420 high strength steel pipe electric power pylon, it is characterized in that: described electric power pylon comprises cross-arm (2), body of the tower master material (1) and flange (3); Described cross-arm (2) adopts the angle steel pattern; Described body of the tower master material (1) is made of steel pipe and flange (3); Adopt flange (3) to connect between the described steel pipe.
2. a kind of according to claim 1 Q420 high strength steel pipe electric power pylon is characterized in that: described body of the tower master material (1) adopts the Q420 high strength steel pipe; Adopt flange (3) to connect between the described Q420 high strength steel pipe; Described flange (3) adopts the Q420 high tensile flexible to forge flange (3).
3. a kind of according to claim 1 Q420 high strength steel pipe electric power pylon is characterized in that: described flange (3) adopts 8.8 grades of high-strength bolts to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203024556U CN201610653U (en) | 2010-02-08 | 2010-02-08 | Q420 high-strength steel pipe power transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203024556U CN201610653U (en) | 2010-02-08 | 2010-02-08 | Q420 high-strength steel pipe power transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201610653U true CN201610653U (en) | 2010-10-20 |
Family
ID=42961285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203024556U Expired - Lifetime CN201610653U (en) | 2010-02-08 | 2010-02-08 | Q420 high-strength steel pipe power transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201610653U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561785A (en) * | 2012-01-31 | 2012-07-11 | 浙江省电力设计院 | Four-circuit tower for straight power transmission lines |
| CN102777068A (en) * | 2012-08-10 | 2012-11-14 | 中国电力工程顾问集团西北电力设计院 | Lattice insulation power transmission tower |
| CN103321469A (en) * | 2013-06-20 | 2013-09-25 | 国家电网公司 | Material selection method for steel tube member of ultra-high voltage power transmission steel tube tower |
| CN105927021A (en) * | 2016-04-26 | 2016-09-07 | 中国电力科学研究院 | Method and device for determining power transmission tower leg auxiliary material supporting force |
| CN107679258A (en) * | 2016-08-01 | 2018-02-09 | 中国电力科学研究院 | The differential forged flange matching method of power transmission steel pipe tower main material intensity and device |
-
2010
- 2010-02-08 CN CN2010203024556U patent/CN201610653U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561785A (en) * | 2012-01-31 | 2012-07-11 | 浙江省电力设计院 | Four-circuit tower for straight power transmission lines |
| CN102777068A (en) * | 2012-08-10 | 2012-11-14 | 中国电力工程顾问集团西北电力设计院 | Lattice insulation power transmission tower |
| CN103321469A (en) * | 2013-06-20 | 2013-09-25 | 国家电网公司 | Material selection method for steel tube member of ultra-high voltage power transmission steel tube tower |
| CN103321469B (en) * | 2013-06-20 | 2015-12-02 | 国家电网公司 | A kind of selection method of UHV transmission steel tube tower steel tube component |
| CN105927021A (en) * | 2016-04-26 | 2016-09-07 | 中国电力科学研究院 | Method and device for determining power transmission tower leg auxiliary material supporting force |
| CN105927021B (en) * | 2016-04-26 | 2019-08-27 | 中国电力科学研究院 | Power transmission tower tower leg auxiliary material support force determines method and device |
| CN107679258A (en) * | 2016-08-01 | 2018-02-09 | 中国电力科学研究院 | The differential forged flange matching method of power transmission steel pipe tower main material intensity and device |
| CN107679258B (en) * | 2016-08-01 | 2021-10-01 | 中国电力科学研究院 | Method and device for selecting and matching main material strength level difference forging flange of power transmission steel pipe tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101020 |