CN103871693B - UHV transmission line 550kN tri-V-type suspension insulator - Google Patents
UHV transmission line 550kN tri-V-type suspension insulator Download PDFInfo
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- CN103871693B CN103871693B CN201410088836.1A CN201410088836A CN103871693B CN 103871693 B CN103871693 B CN 103871693B CN 201410088836 A CN201410088836 A CN 201410088836A CN 103871693 B CN103871693 B CN 103871693B
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- 239000012212 insulator Substances 0.000 title claims abstract description 80
- 239000000725 suspension Substances 0.000 title claims abstract description 70
- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 208000002173 dizziness Diseases 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010931 gold Substances 0.000 abstract description 4
- 229910052737 gold Inorganic materials 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- -1 comprise hardware Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The single steel tower hanging point of one-sided employing of three V-type 550kN suspension insulator serial types of the present invention is connected with three 550kN suspension insulators, connect gold utensil parallel combination by multiple high strength and become V string structure, be connected with wire clamp link plate again, form outstanding single hanging point three V-type 550kN suspension insulator serial type pattern.V of the present invention goes here and there every side and adopts three 550kN insulators in parallel, has the high strength of 1650kN, more reliably, meets the requirement of UHVDC Transmission Lines heavy icing area to suspension insulator intensity, have wide range of applications.
Description
Technical field
The present invention relates to insulator hardware string used for transmission line, particularly relate to a kind of UHV transmission line 550KN tri-V-type suspension insulator.
Background technology
In order to meet the requirement of socio-economic development to net capacity and reliability, strengthen transferring electricity from the west to the east power hub, development extra-high voltage direct-current has become a main trend of power grid construction.It is high that UHVDC Transmission Lines has transmission capacity, and conductor cross-section is large, the features such as division number is many, and insulator load is great.Meanwhile, due to the needs developed in harmony with local plan, worse and worse, heavy icing area becomes the section that line route cannot be dodged to line channel orographic condition.
The insulator string of power transmission sequence, due to the difference of tower structure, wire type, division number and electric pressure, they are also thereupon different at assembly type.Be summed up and can be divided into two large classes: suspension insulator and strain insulator string.Suspension insulator is divided into again I type, V-type and L-type.
Extra-high voltage direct-current technology has entered the large-scale promotion stage.But the requirement of transmission capacity, forces newly-built circuit many employings heavy in section six-multiple conductor pattern.In the past in UHVDC Transmission Lines, V-type insulator is based on duplex.Two insulator horizontal path directions become V-type to arrange, and are connected by yoke plate.Insulator strength is based on 2x300kN, 2x420kN and 2x550kN.Due to the needs developed in harmony with local plan, worse and worse, High aititude, heavy icing area become unavoidable situation in shaft tower ranking to line channel orographic condition.At High aititude, heavy ice section, suspension string load goes out greatly many compared with common engineering, therefore higher to the intensity of insulator string, reliability requirement.Based on above situation, existing duplex V-type suspension insulator cannot meet requirement of engineering.
Based on above situation, be necessary to design a kind of new serial type, make it to solve UHVDC Transmission Lines at 50mm, 60mm heavy icing area large load suspension insulator selection issue, make China power construction design, the level that manufactures gets a promotion, promote the technological progress of power industry.
Summary of the invention
For solving the problem, the invention provides a kind of UHV transmission line 550KN tri-V-type suspension insulator, comprise hardware, suspension insulator, grading ring, shading ring, pre reeled silk type ship type suspension clamp, the assembly type of described 550KN tri-two-wire folder V-type suspension insulator is V serial type formula, one-sided suspension insulator is 3, each suspension insulator one end connecting ball head link in turn, one DB adjusts on plate, second right angle link plate, one becomes three yoke plate lower ends, described one becomes three yoke plate upper ends connects a first right angle link plate in turn, 2nd DB adjusts plate, another the first right angle link plate, hardware, the other end of described each suspension insulator is connected to two three change duplex plates be fixed with one respectively through socket-clevis eye, described two three change duplex plates are connected to the first yoke plate both sides by two the first parallel link plates, described first yoke plate lower end is connected to the second yoke plate by the second parallel link plate again, and described second yoke plate both sides respectively connect a 3rd right angle link plate,
Described grading ring is arranged on three change duplex plates, and shading ring is fixed on V and goes here and there on the second parallel link plate of both sides;
Under described pre reeled silk type ship type suspension clamp is positioned at the right angle link plate be connected with the second yoke plate, for hanging transmission pressure.
Further, one-sided three suspension insulators are arranged vertically along line direction.
Further, hardware adopts trunnion hanging panel, the strength matching of strength grade and suspension insulator.
Further, hanging conductor clamp adopts anti-dizzy type handbag type, and wire place wrap is that preformed armor rods protects lines.
Further, the material of described grading ring is aluminium.
Further, described shading ring is circular arc tubular structure, and opening is arranged on two the second parallel link plates vertically downward, connects hanging yoke plate support by middle end support.
Further, described grading ring comprises two side stands and ring body, described two side stands connect three become duplex plates, described ring body around and vertical three 550kN suspension insulators.
Further, described grading ring is positioned at the high-pressure side of suspension insulator.
Further, described 550KN tri-two-wire folder V-type suspension insulator adopts the angle of V serial type formula to be 74 °.
Advantage of the present invention is:
(1) V goes here and there every side and adopts three 550kN insulators in parallel, has the high strength of 1650kN, more reliably, meets the requirement of UHVDC Transmission Lines heavy icing area to suspension insulator intensity, have wide range of applications.
(2) one-sided three insulators are arranged vertically along line direction, arrange between every cross hang insulator and hardware that a DB adjusts plate, often join between suspension insulator and link plate and arrange that a DB adjusts plate, string length adjustment is flexible, meet different tower and hang requirement, ensure that insulator bearing distribution is reasonable simultaneously.
(3) suspension insulator high-pressure side arranges 2 grading rings, V get lines crossed folder suspension clamp position arrange 2 shading rings along line direction, the reasonable distribution and the whole crosstalk magnetic environment that realize pressure drop on insulator meet related request.
(4) deice the serial type shake vibrated and cause at heavy icing area wire, when the unbalanced load of side, front and back, serial type hanging point and connecting tool rotate flexibly, and anti-uneven ice ability is strong.
(5) strong wind rotates flexibly under waving situation.
(6) electromagnetic environment is good, meets related specifications requirement.
Accompanying drawing explanation
Fig. 1 is the one-sided organigram of the present invention.
Fig. 2 is schematic diagram of the present invention.
Fig. 3 is assembling schematic diagram of the present invention.
In figure: 1. hardware, 2. the first right angle link plate, the 3, the one DB adjusts plate, 4. shading ring, 5. one becomes three yoke plates, 6. the second right angle link plate, 7. ball-eye, 8. suspension insulator, 9. grading ring, 10. socket-clevis eye, 11. 3 become duplex plate, 12. first parallel link plates, 13. first yoke plates, 14. second parallel link plates, 15. second yoke plates, 16. the 3rd right angle link plates, 17. hanging yoke plates, 18. pre reeled silk type ship type suspension clamps, 19. bracing frames, 20. preformed armor rodses protect lines 21. the 2nd DB and adjust plate.
Embodiment
The present invention devises one ± 800kV UHV transmission line 550KN tri-V-type suspension insulator.This serial type meets the requirement of the functions such as 30mm, 50mm, 60mm heavy icing area six divides the load of JLHA1/G1A-800/55, JLHA1/G2A-800/70 steel core aluminum alloy stranded wire wire, gold utensil rotates flexibly, convertibility is strong, structure is simple, intensity is reliable.
Design concept of the present invention is: the single steel tower hanging point of one-sided employing of described three V-type 550kN suspension insulator serial types is connected with three 550kN suspension insulators, connect gold utensil parallel combination by multiple high strength and become V string structure, be connected with wire clamp link plate again, form outstanding single hanging point three V-type 550kN suspension insulator serial type pattern.Be described in detail below
Figure 1 shows that one-sided 550KN tri-insulator structure figure of the present invention.Wherein hardware 1 and a first right angle link plate 2, the 2nd DB adjust plate 21, another the first right angle link plate 2, one becomes three yoke plate 5 upper ends and be connected in turn.3 50kN suspension insulators 8 are arranged vertically along line direction, and connecting ball head link 7, a DB adjust plate 3, second right angle link plate 6, and become three yoke plate 5 lower ends in turn in one end of each suspension insulator 8; And by a socket-clevis eye 10, the other end of 3 550kN suspension insulators 8 all connects that two connections are fixed with one three becomes on duplex plates 11, two three become duplex plate 11 and connect first yoke plate 13 both sides by two the first parallel link plates, described first yoke plate 13 lower end connects the second yoke plate 15, second yoke plate 15 lower end by the second parallel link plate 14 and connects two the 3rd right angle link plates 16.Three one-sided suspension insulators have altogether the high strength of 1650kN.
Fig. 2 is the end view of V-type three suspension insulator.The V-type insulator hardware string that wherein three of both sides become duplex plate 11, first yoke plate 13, second parallel link plate 14, second yoke plate 15, hanging yoke plate 17, grading ring 9, shading ring 4, preformed armor rods protect lines 20, pre reeled silk type ship type suspension clamp 18, bracing frame 19 are combined into 74 ° of angles.Described grading ring 9 is arranged on three change duplex plates 11, and shading ring 4 is fixed on V and goes here and there on the second parallel link plate 14 of both sides;
Described suspension clamp 18 is positioned at the 3rd right angle link plate that is connected with the second yoke plate 15 16 times, for hanging transmission pressure.
Described shading ring 4 is in circular arc tubular structure, and opening is arranged in two the second parallel link plate 14 both sides vertically downward, connects hanging yoke plate 17 support by middle end support.
Below main composition gold utensil of the present invention is described as follows:
(1) suspension clamp 18
As shown in Figure 3, hanging conductor clamp 18 adopts anti-dizzy type handbag type, and wire place wrap is that preformed armor rods protects lines 21.
(2) grading ring 9
Grading ring 9 comprises two side stands and ring body, and described ring body adopts annular or ellipsoidal structure form, and support and ring body adopt argon arc welding to weld, and weld seam must polish smooth.Described grading ring 9 is arranged on three change duplex plates 11, and connect three change duplex plates 11 by two side stands and support, shielding depth is 2 ~ 3 insulator positions.As can be seen from Figure 2, the ellipse arc of grading ring 9 around and vertical three 550kN suspension insulators 8, be arranged in the high-pressure side of insulator string 8.
The novel aluminum grading ring that grading ring 9 adopts.
(3) hardware 1
Hardware 1 adopts trunnion hanging panel, the strength matching of strength grade and suspension insulator 8.Hardware model is EB-168S.
(4) each yoke plate
Comprise change three yoke plate 5, three and become duplex plate 11, first yoke plate 13, second yoke plate 15, hanging yoke plate 17.The strength matching of each yoke plate strength grade and suspension insulator 8.
(5) ball-eye 7 and socket-clevis eye 10
Ball-eye 7 and socket-clevis eye 10 all should solid forgings, and carry out normalized treatment.
(6) DB adjusts plate and right angle link plate
Right angle link plate, DB adjust plate and adopt solid forging.
Advantage of the present invention is:
(1) V goes here and there every side and adopts three 550kN insulators in parallel, has the high strength of 1650kN, more reliably, meets the requirement of UHVDC Transmission Lines heavy icing area to suspension insulator intensity, have wide range of applications.
(2) one-sided three insulators are arranged vertically along line direction, arrange between every cross hang insulator and hardware that a DB adjusts plate, often join between suspension insulator and link plate and arrange that a DB adjusts plate, string length adjustment is flexible, meet different tower and hang requirement, ensure that insulator bearing distribution is reasonable simultaneously.
(3) suspension insulator high-pressure side arranges 2 grading rings, V get lines crossed folder suspension clamp position arrange 2 shading rings along line direction, the reasonable distribution and the whole crosstalk magnetic environment that realize pressure drop on insulator meet related request.
(4) deice the serial type shake vibrated and cause at heavy icing area wire, when the unbalanced load of side, front and back, serial type hanging point and connecting tool rotate flexibly, and anti-uneven ice ability is strong.
(5) strong wind rotates flexibly under waving situation.
(6) electromagnetic environment is good, meets related specifications requirement.
Claims (7)
1. UHV transmission line 550KN tri-V-type suspension insulator, it is characterized in that, comprise hardware, suspension insulator, grading ring, shading ring, pre reeled silk type ship type suspension clamp, the assembly type of described 550KN tri-two-wire folder V-type suspension insulator is V serial type formula, one-sided suspension insulator is 3, each suspension insulator one end mounts ball-eye, the ball-eye other end is connected to a DB and adjusts on plate, this DB adjusts plate and is connected to one one change three yoke plate lower ends, described one becomes three yoke plate upper ends connects a first right angle link plate in turn, DB adjusts plate, another the first right angle link plate, hardware, the other end of described each suspension insulator is connected to two three change duplex plates be fixed with one respectively through socket-clevis eye, described two three change duplex plates are connected to the first yoke plate both sides by two the first parallel link plates, described first yoke plate lower end is connected to the second yoke plate by the second parallel link plate again, and described second yoke plate both sides respectively connect a 3rd right angle link plate,
Described grading ring is arranged on three change duplex plates, and shading ring is fixed on V and goes here and there on the second parallel link plate of both sides;
Under described pre reeled silk type ship type suspension clamp is positioned at the right angle link plate be connected with the second yoke plate, for hanging transmission pressure; One-sided 3 suspension insulators are arranged vertically along line direction, connection spacing 800mm;
Hardware adopts trunnion hanging panel, the strength matching of strength grade and suspension insulator.
2. UHV transmission line 550KN tri-V-type suspension insulator as claimed in claim 1, is characterized in that, pre reeled silk type ship type suspension clamp adopts anti-dizzy type handbag type, and wire place wrap is that preformed armor rods protects lines.
3. UHV transmission line 550KN tri-V-type suspension insulator as claimed in claim 1, it is characterized in that, the material of described grading ring is aluminium.
4. the 550KN tri-V-type suspension insulator of the UHV transmission line according to any one of claim 1 ~ 3, it is characterized in that, described shading ring is circular arc tubular structure, and opening is arranged on two the second parallel link plates vertically downward, connects hanging yoke plate support by middle end support.
5. the 550KN tri-V-type suspension insulator of the UHV transmission line according to any one of claim 1 ~ 3, it is characterized in that, described grading ring comprises two side stands and ring body, described two side stands connect three become duplex plates, described ring body around and vertical three 550kN suspension insulators.
6. UHV transmission line 550KN tri-V-type suspension insulator as claimed in claim 5, it is characterized in that, described grading ring is positioned at the high-pressure side of suspension insulator.
7. UHV transmission line 550KN tri-V-type suspension insulator as claimed in claim 1, is characterized in that, described 550KN tri-two-wire folder V-type suspension insulator adopts the angle of V serial type formula to be 74 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088836.1A CN103871693B (en) | 2014-03-05 | 2014-03-05 | UHV transmission line 550kN tri-V-type suspension insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088836.1A CN103871693B (en) | 2014-03-05 | 2014-03-05 | UHV transmission line 550kN tri-V-type suspension insulator |
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| Publication Number | Publication Date |
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| CN103871693A CN103871693A (en) | 2014-06-18 |
| CN103871693B true CN103871693B (en) | 2016-02-10 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332923A (en) * | 2014-11-20 | 2015-02-04 | 国家电网公司 | Wear-resisting earth wire hanger based on grooved structure |
| CN104538129B (en) * | 2014-12-23 | 2017-01-11 | 国家电网公司 | Synchronous hoisting type duplex insulator string |
| CN106158163A (en) * | 2015-04-15 | 2016-11-23 | 如皋市同泰电力器材有限公司 | A kind of ring-like gold utensil for electric power |
| CN105071326B (en) * | 2015-08-14 | 2018-11-06 | 平高集团有限公司 | Three become two connection gold utensils and the insulator chain using the connection gold utensil |
| CN105023658B (en) * | 2015-08-21 | 2016-09-21 | 江苏双汇孚泰电气有限公司 | A kind of anti-lightning strike triple strain insulator string |
| CN105335569B (en) * | 2015-11-16 | 2019-03-26 | 国家电网公司 | The multi-joint V-type insulator chain mechanical characteristic simulation method of UHV transmission line |
| CN112414409B (en) * | 2020-11-16 | 2022-08-02 | 天津航天中为数据系统科技有限公司 | Autonomous inspection path planning method based on string structure and aircraft |
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| CN201017729Y (en) * | 2007-03-22 | 2008-02-06 | 国网北京电力建设研究院 | AC extra-high voltage large crossing insulator metal fittings string |
| CN101699572A (en) * | 2009-09-18 | 2010-04-28 | 成都电力金具总厂 | Triple strain insulator string for ultra-high voltage transmission line |
| CN202258577U (en) * | 2012-01-13 | 2012-05-30 | 中国电力工程顾问集团华东电力设计院 | Six-linked 550 KN large-tonnage insulator suspension metal fittings string used for extra-high voltage DC large crossing |
| CN202352425U (en) * | 2011-12-08 | 2012-07-25 | 湖州泰仑电力器材有限公司 | Strain insulator strings |
| CN203721397U (en) * | 2014-03-05 | 2014-07-16 | 国家电网公司 | 550KN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0421310A (en) * | 1990-05-15 | 1992-01-24 | Asahi Tec Corp | Low inductance multiconductor transmission line strain insulator |
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2014
- 2014-03-05 CN CN201410088836.1A patent/CN103871693B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017729Y (en) * | 2007-03-22 | 2008-02-06 | 国网北京电力建设研究院 | AC extra-high voltage large crossing insulator metal fittings string |
| CN101699572A (en) * | 2009-09-18 | 2010-04-28 | 成都电力金具总厂 | Triple strain insulator string for ultra-high voltage transmission line |
| CN202352425U (en) * | 2011-12-08 | 2012-07-25 | 湖州泰仑电力器材有限公司 | Strain insulator strings |
| CN202258577U (en) * | 2012-01-13 | 2012-05-30 | 中国电力工程顾问集团华东电力设计院 | Six-linked 550 KN large-tonnage insulator suspension metal fittings string used for extra-high voltage DC large crossing |
| CN203721397U (en) * | 2014-03-05 | 2014-07-16 | 国家电网公司 | 550KN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line |
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| CN103871693A (en) | 2014-06-18 |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: Chengdu Electric Power Fittings General Factory Applicant after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Applicant after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Applicant after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Applicant after: Co., Ltd of Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Applicant after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant after: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: Chengdu Electric Power Fittings General Factory Applicant before: China Power Engineering Consulting Group Corporation Applicant before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Applicant before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation Applicant before: Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant before: Huabei Power Design Inst., China Power Engineering Consulting Group Applicant before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Applicant before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Applicant before: North China Electric Power Design Institute of China Power Engineering Consulting Group Corporation |
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