CN203721397U - 550KN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line - Google Patents
550KN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line Download PDFInfo
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- CN203721397U CN203721397U CN201420109905.8U CN201420109905U CN203721397U CN 203721397 U CN203721397 U CN 203721397U CN 201420109905 U CN201420109905 U CN 201420109905U CN 203721397 U CN203721397 U CN 203721397U
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- 239000012212 insulator Substances 0.000 title claims abstract description 87
- 239000000725 suspension Substances 0.000 title claims abstract description 77
- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 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
- 239000004020 conductor Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 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
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
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Abstract
The utility model relates to a 550KN three-connection V-shaped suspension insulator string for an extra-high voltage power transmission line. According to the 550KN three-connection V-shaped suspension insulator string, a single tower suspension point is connected with a three-connection 550KN suspension insulator string, and three connection insulators are connected in parallel and combined with each other through various kinds of high-strength link fittings so as to form a V-shaped string structure, and the V-shaped structure is connected with a clamp suspension plate, and as a result, the single-suspension point three-connection V-shaped 550KN suspension insulator string can be formed. According to the 550KN three-connection V-shaped suspension insulator string for the extra-high voltage power transmission line of the utility model, the three connection 550KN insulators at each side of the V-shaped string structure are connected in parallel, and therefore, the strength of the 550KN three-connection V-shaped suspension insulator string can be as high as 1650kN, and the 550KN three-connection V-shaped suspension insulator string can be more reliable and can satisfy requirements of extra-high voltage power transmission line heavy ice areas for the strength of a suspension insulator string, and has a wide application range.
Description
Technical field
The utility model relates to insulator hardware string used for transmission line, relates in particular to a kind of UHV transmission line 550KN tri-V-type suspension insulators.
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.The features such as it is high that UHVDC Transmission Lines has transmission capacity, and conductor cross-section is large, and division number is many, and insulator load is great.Meanwhile, due to the needs of local plan coordinated development, 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 to adopt heavy in section six-multiple conductor pattern more.In UHVDC Transmission Lines, V-type insulator was taking duplex as main in the past.Two insulator horizontal path directions become V-type to arrange, and connect by yoke plate.Insulator strength is taking 2x300kN, 2x420kN and 2x550kN as main.Due to the needs of local plan coordinated development, worse and worse, high height above sea level, heavy icing area become unavoidable situation in shaft tower ranking to line channel orographic condition.At high height above sea level, heavy ice section, suspension string load goes out greatly many compared with common engineering, and therefore the intensity to insulator string, reliability requirement are higher.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, the level of make China's power construction design, manufacturing gets a promotion, and promotes the technological progress of power industry.
Summary of the invention
For addressing the above problem, the utility model provides a kind of UHV transmission line 550KN tri-V-type suspension insulators, 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 insulators is V serial type formula, one-sided insulator is 3, each suspension insulator one end connecting ball head link in turn, the one DB adjusts on plate, the 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, the 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 that are fixed with one through socket-clevis eye respectively, described two three change duplex plates are connected to the first yoke plate both sides by two the first parallel link plates, described the first yoke plate lower end is connected to the second yoke plate by the second parallel link plate again, a 3rd right angle link plate of the each connection in described the second yoke plate both sides,
Described grading ring is arranged on three change duplex plates, and shading ring is fixed on the second parallel link plate of V string both sides;
Described pre reeled silk type ship type suspension clamp is positioned under the right angle link plate being 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 looping thing is that preformed armor rods protects lines.
Further, the material of described grading ring is aluminium.
Further, described shading ring comprises ring body and bracing frame, and described ring body is circular arc tubular structure, and opening is arranged on two the second parallel link plates vertically downward, connects hanging yoke plate support by bracing frame.
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, the angle of described 550KN tri-two-wire folder V-type suspension insulators employing V serial type formulas is 74 °.
Advantage of the present utility model is:
(1) V goes here and there every side and adopts three 550kN insulator parallel connections, has the high strength of 1650kN, more reliable, meets the requirement of UHVDC Transmission Lines heavy icing area to suspension insulator intensity, has wide range of applications.
(2) one-sided three insulators are arranged vertically along line direction, between every cross hang insulator and hardware, arrange that a DB adjusts plate, between every suspension insulator and link plate, arrange that a DB adjusts plate, string length adjustment is flexible, meet different towers and hang requirement, ensure that insulator bearing distribution is reasonable simultaneously.
(3) suspension insulator high-pressure side is arranged 2 grading rings, and V is getting lines crossed folder suspension clamp position along 2 shading rings of line direction layout, and reasonable distribution and the whole crosstalk magnetic environment of realizing pressure drop on insulator meet related request.
(4) deice at heavy icing area wire the serial type shake that vibration causes, in the situation of front and back side unbalanced load, serial type hanging point and connecting tool rotate flexibly, and anti-inhomogeneous ice ability is strong.
(5) strong wind waves in situation and rotates flexibly.
(6) electromagnetic environment is good, meets related specifications requirement.
Brief description of the drawings
Fig. 1 is the one-sided organigram of the utility model.
Fig. 2 is schematic diagram of the present utility model.
Fig. 3 is assembling schematic diagram of the present utility model.
In figure: 1. hardware, 2. the first right angle link plate, 3, the one DB adjust 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 utility model has designed one ± 800kV UHV transmission line 550KN tri-V-type suspension insulators.This serial type meets the requirement of the functions such as load, the gold utensil that 30mm, 50mm, 60mm heavy icing area six divide JLHA1/G1A-800/55, JLHA1/G2A-800/70 steel core aluminum alloy stranded wire wire rotates flexibly, convertibility is strong, simple in structure, intensity is reliable.
The utility model design concept 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 patterns.Be elaborated below
Figure 1 shows that one-sided 550KN tri-insulator structure figure of the present utility model.Wherein hardware 1 is connected in turn with the first right angle link plate 2, the 2nd DB adjustment plate 21, another the first right angle link plate 2, change three yoke plate 5 upper ends.3 50kN suspension insulators 8 are arranged vertically along line direction, and plate 3, the second right angle link plate 6, change three yoke plate 5 lower ends are adjusted in one end of each suspension insulator 8 in turn connecting ball head link 7, a DB; Three become on duplex plates 11 and the other end of 3 550kN suspension insulators 8 all connects by a socket-clevis eye 10 that two connections are fixed with one, two three become duplex plate 11 and connect first yoke plate 13 both sides by two the first parallel link plates, described the first yoke plate 13 lower ends connect the second yoke plate 15, the second yoke plate 15 lower ends by the second parallel link plate 14 and connect 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 insulators.Wherein three of the both sides V-type insulator hardware strings that become duplex plates 11, the first yoke plate 13, the second parallel link plate 14, the second yoke plate 15, hanging yoke plate 17, grading ring 9, shading ring 4, preformed armor rods and protect lines 20, pre reeled silk type ship type suspension clamp 18, bracing frame 19 and be combined into 74 ° of angles.Described grading ring 9 is arranged on three change duplex plates 11, and shading ring 4 is fixed on the second parallel link plate 14 of V string 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 comprises ring body and bracing frame 19, and described ring body is 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 bracing frame 19.
Below chief component gold utensil of the present utility model 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 looping thing 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 welding, and weld seam must polish smooth.Described grading ring 9 is arranged on three change duplex plates 11, connects three change duplex plates 11 support by two side stands, and 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 plates 5, three change duplex plates 11, the first yoke plate 13, the 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 utility model is:
(1) V goes here and there every side and adopts three 550kN insulator parallel connections, has the high strength of 1650kN, more reliable, meets the requirement of UHVDC Transmission Lines heavy icing area to suspension insulator intensity, has wide range of applications.
(2) one-sided three insulators are arranged vertically along line direction, between every cross hang insulator and hardware, arrange that a DB adjusts plate, between every suspension insulator and link plate, arrange that a DB adjusts plate, string length adjustment is flexible, meet different towers and hang requirement, ensure that insulator bearing distribution is reasonable simultaneously.
(3) suspension insulator high-pressure side is arranged 2 grading rings, and V is getting lines crossed folder suspension clamp position along 2 shading rings of line direction layout, and reasonable distribution and the whole crosstalk magnetic environment of realizing pressure drop on insulator meet related request.
(4) deice at heavy icing area wire the serial type shake that vibration causes, in the situation of front and back side unbalanced load, serial type hanging point and connecting tool rotate flexibly, and anti-inhomogeneous ice ability is strong.
(5) strong wind waves in situation and rotates flexibly.
(6) electromagnetic environment is good, meets related specifications requirement.
Claims (9)
1. 550KN tri-V-type suspension insulators for UHV transmission line, 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 insulators is V serial type formula, one-sided insulator is 3, each suspension insulator articulates ball-eye on one end, 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 that are fixed with one through socket-clevis eye respectively, described two three change duplex plates are connected to the first yoke plate both sides by two the first parallel link plates, described the first yoke plate lower end is connected to the second yoke plate by the second parallel link plate again, a 3rd right angle link plate of the each connection in described the second yoke plate both sides,
Described grading ring is arranged on three change duplex plates, and shading ring is fixed on the second parallel link plate of V string both sides;
Described pre reeled silk type ship type suspension clamp is positioned under the right angle link plate being connected with the second yoke plate, for hanging transmission pressure.
2. 550KN tri-V-type suspension insulators for UHV transmission line as claimed in claim 1, is characterized in that, one-sided 3 suspension insulators are arranged vertically along line direction, connection spacing 800mm.
3. 550KN tri-V-type suspension insulators for UHV transmission line as claimed in claim 1, is characterized in that, hardware adopts trunnion hanging panel, the strength matching of strength grade and suspension insulator.
4. 550KN tri-V-type suspension insulators for UHV transmission line 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 looping thing is that preformed armor rods protects lines.
5. 550KN tri-V-type suspension insulators for UHV transmission line as claimed in claim 1, is characterized in that, the material of described grading ring is aluminium.
6. 550KN tri-V-type suspension insulators for the UHV transmission line as described in any one in claim 1 ~ 5, it is characterized in that, described shading ring comprises ring body and bracing frame, described ring body is circular arc tubular structure, opening is arranged on two the second parallel link plates vertically downward, connects hanging yoke plate support by bracing frame.
7. 550KN tri-V-type suspension insulators for the UHV transmission line as described in any one in claim 1 ~ 5, 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 suspension insulators.
8. 550KN tri-V-type suspension insulators for UHV transmission line as claimed in claim 7, is characterized in that, described grading ring is positioned at the high-pressure side of suspension insulator.
9. 550KN tri-V-type suspension insulators for UHV transmission line as claimed in claim 1, is characterized in that, it is 74 ° that described 550KN tri-two-wire folder V-type suspension insulators adopt the angle of V serial type formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109905.8U CN203721397U (en) | 2014-03-05 | 2014-03-05 | 550KN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109905.8U CN203721397U (en) | 2014-03-05 | 2014-03-05 | 550KN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN203721397U true CN203721397U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420109905.8U Expired - Fee Related CN203721397U (en) | 2014-03-05 | 2014-03-05 | 550KN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871693A (en) * | 2014-03-05 | 2014-06-18 | 国家电网公司 | 550 kN trigeminy V-shaped pendent insulator string for UHV (Ultra High Voltage) transmission line |
-
2014
- 2014-03-05 CN CN201420109905.8U patent/CN203721397U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871693A (en) * | 2014-03-05 | 2014-06-18 | 国家电网公司 | 550 kN trigeminy V-shaped pendent insulator string for UHV (Ultra High Voltage) transmission line |
| CN103871693B (en) * | 2014-03-05 | 2016-02-10 | 国家电网公司 | UHV transmission line 550kN tri-V-type suspension insulator |
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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 | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Chengdu Electric Power Fittings General Factory Patentee after: CHINA POWER ENGINEERING CONSULTING (GROUP) CORPORATION Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Patentee after: Co., Ltd of Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Patentee after: Co., Ltd of Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP Patentee 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 Patentee before: State Grid Corporation of China Patentee before: Chengdu Electric Power Fittings General Factory Patentee before: China Power Engineering Consulting Group Corporation Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation Patentee before: Northeastern Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group Patentee before: Central Southern China Electric Power Design Institute, China Power Engineering Consulting Group Cor Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation Patentee before: North China Electric Power Design Institute of China Power Engineering Consulting Group Corporation |
|
| 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: 20140716 Termination date: 20180305 |