CN105469909A - Strain insulator string equipped with five yoke plates and three suspension points and used for extra-high voltage direct current circuit - Google Patents
Strain insulator string equipped with five yoke plates and three suspension points and used for extra-high voltage direct current circuit Download PDFInfo
- Publication number
- CN105469909A CN105469909A CN201511025042.1A CN201511025042A CN105469909A CN 105469909 A CN105469909 A CN 105469909A CN 201511025042 A CN201511025042 A CN 201511025042A CN 105469909 A CN105469909 A CN 105469909A
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- plate
- insulator
- string
- linked
- transmission lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/04—Chains; Multiple chains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/06—Fastening of insulator to support, to conductor, or to adjoining insulator
- H01B17/10—Fastening of insulator to support, to conductor, or to adjoining insulator by intermediate link
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/02—Suspension insulators; Strain insulators
- H01B17/12—Special features of strain insulators
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Abstract
The invention discloses a strain insulator string equipped with five yoke plates and three suspension points and used for an extra-high voltage direct current circuit. The strain insulator string is an insulator string formed by dish-type suspension insulators connected in series; the insulator strings are arranged in a five-cylinder shape; one ends of the two columns of the insulator strings on the edges are connected with right-angle clevises separately; the right-angle clevises are connected with suspension point fittings; one ends of the column of the insulator strings in the middle are connected with the suspension point fittings; the other ends, connected with the right-angle clevises, of the insulator strings are connected with socket clevises; two of the socket clevises are connected with a two-to-one yoke plate, so that four socket clevises are connected with two two-to-one yoke plates; the other ends of the column of the insulator strings in the middle are connected with PD clevises; the two two-to-one yoke plates and the PD clevises are connected with three-to-two yoke plates; the three-to-two yoke plates are connected with two-to-six yoke plates through two clevises; the two-to-six yoke plates are connected with strain clamps; and the strain clamps are connected with wires. The structural strength of the strain insulator string can be effectively improved.
Description
Technical field
The present invention relates to power transmission device field, particularly a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string.
Background technology
Along with socioeconomic fast development, the demand of user to electricity consumption also increases fast.But primary energy skewness and distant, passway for transmitting electricity land used is more and more nervous.In order to solve the problem, improve transmission line capability, the transmission line building more voltage levels is a kind of new solution as backbone network for long distance power transmission.Strain insulator-string in overhead transmission line, for being drawn by transmission pressure and being fixed on strain tower, is the important gold utensil serial type in transmission line.Along with the construction of ultra high voltage, electric pressure is more and more higher, is bound to strengthen conductor cross-section and the division radical increasing wire, and the new hardware string of design and the interior gold utensil of string certainly will be needed like this to improve its structural strength, thus adaptation engineering demand.For this reason, need to provide a kind of 5-linked three hanging point insulator strain string, by the physical dimension of gold utensil in reasonably optimizing strain insulator-string and type of attachment to ensure its structural strength, thus meet the needs of engineering construction, guarantee the normal operation of transmission line.
Summary of the invention
The object of the invention is: the problem solving prior art, a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string is proposed, adopt ripe processing technology, the structural strength of gold utensil and the intensity of hardware string are easily protected, by optimizing metal lamps structure size, type of attachment and insulation subnumber, can effectively improve strain insulator-string structural strength, thus wire traction is fixed on strain tower, guarantee the normal operation of transmission line.
The technical solution used in the present invention is as follows:
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string, described strain insulator-string is connected into insulator string by plate-shaped suspension type insulator string, described insulator string five cylindrical arrangement, Liang Lie one end, described insulator string edge is connected to right angle link plate, described right angle link plate is connected with hardware, in the middle of described insulator string, a row one end is connected with hardware, the other end that described insulator string is connected with right angle link plate is connected with socket-clevis eye, two in described socket-clevis eye become a yoke plate be connected with one two, make four socket-clevis eyes connect two two and become a yoke plate, in the middle of described insulator string, a row other end is connected with PD link plate, described two two change one yoke plates become duplex plate with PD link plate and three and are connected, described three change duplex plates become six yoke plates by two link plates and two and are connected, described two become six yoke plates is connected with strain clamp, described strain clamp is connected with wire.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, is also connected with ball-eye successively, towing plate, PT adjusts plate, parallel link plate and yoke plate between described insulator string to hardware.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, in the middle of described insulator string, the plate-shaped suspension type insulator of row is connected with ball-eye, towing plate, PT adjustment plate, parallel link plate, DB adjustment plate and U-shaped link in turn between hardware.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, is connected with extending pull rod, right angle link plate, DB adjustment plate and U-shaped link in turn between described two change six yoke plates to strain clamp.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, described DB adjusts plate and comprises the dual-side intersected at obtuse angle and the arc-shaped side be arranged between described dual-side, the intersection of described dual-side arranges connecting hole, arranges connecting hole along described arc-shaped side interval.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, described PT adjusts plate and comprises parallel-plate and be arranged on the single link plate between described parallel-plate, described single link plate and parallel-plate are interval with adjustment screw respectively, are bolted between described single link plate and parallel-plate.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, arrange grading ring in described insulator string, described grading ring is made up of symmetrically arranged two semi-rings, and described semi-ring end arranges end-blocking ball, and described grading ring is provided with support.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, described three become duplex plate two ends is provided with shading ring, described shading ring is spliced with shielding ring body two by the shielding ring body one of arcuate structure, and described shading ring becomes duplex plate by shield bracket with aluminium row and three and is connected.
A kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention, link plate two ends, described right angle arrange groove respectively, and the fluting direction of described groove is mutually vertical, and described groove two side is respectively equipped with through hole along same level line direction.
Owing to have employed above-mentioned technical scheme, the invention has the beneficial effects as follows: the problem solving prior art, a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string is proposed, adopt ripe processing technology, the structural strength of gold utensil and the intensity of hardware string are easily protected, by optimizing metal lamps structure size, type of attachment and insulation subnumber, can effectively improve strain insulator-string structural strength, thus wire traction is fixed on strain tower, guarantee the normal operation of transmission line.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is the front view of a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention;
Fig. 2 is the end view of a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention;
Fig. 3 is that the PT of a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention adjusts plate schematic diagram;
Fig. 4 is that the DB of a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention adjusts plate schematic diagram;
Fig. 5 is the grading ring schematic diagram of a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention;
Fig. 6 is the shading ring schematic diagram of a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string of the present invention;
Mark in figure
1-hardware, 2-right angle link plate, 3-yoke plate, the parallel link plate of 4-, 5-U type link, 6-DB adjust plate, 7-PT adjusts plate, 8-towing plate, 9-ball-eye, 10-plate-shaped suspension type insulator, 11-grading ring, 12-socket-clevis eye, 13-PD link plate, 14-bis-becomes a yoke plate, 15-tri-becomes duplex plate, 16-link plate, 17-bis-become six yoke plates, 18-extending pull rod, 19-strain clamp, 20-strain clamp.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be the embodiment of a kind of UHVDC Transmission Lines 5-linked three of the present invention hanging point strain insulator-string as shown in figures 1 to 6, a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string, described strain insulator-string is concatenated into insulator string by plate-shaped suspension type insulator 10, described insulator string five cylindrical arrangement, Liang Lie one end, described insulator string edge is connected to right angle link plate 2, described right angle link plate 2 is connected with hardware 1, in the middle of described insulator string, a row one end is connected with hardware 1, the other end that described insulator string is connected with right angle link plate 2 is connected with socket-clevis eye 12, two in described socket-clevis eye 12 become a yoke plate 14 be connected with one two, make four socket-clevis eyes 12 connect two two and become a yoke plate 14, in the middle of described insulator string, a row other end is connected with PD link plate 13, described two two change one yoke plates 14 become duplex plate 15 with PD link plate 13 and three and are connected, described three change duplex plates 15 become six yoke plates 17 by two link plates 16 and two and are connected, described two become six yoke plates 17 is connected with strain clamp 21, described strain clamp 19 is connected with wire, the difference with the prior art that arranges so is mainly, the distribution form of insulator string, i.e. previously described five tubulars, be the distribution form of five in mahjong, an insulator string at center is for connect hardware separately, and each row connection right angle link plate of vertical two row, thus make two row become row to connect hardware again, the contact point of whole strain insulator-string and steel tower is made to have three like this, and the quantity of strain insulator-string has five, thus make stressed more even, improve structural strength, thus meet user demand, ball-eye 9 is also connected with successively between described insulator string to hardware 1, towing plate 8, PT adjusts plate 7, parallel link plate 4, with yoke plate 3, in the middle of described insulator string, the plate-shaped suspension type insulator 10 of row is connected with ball-eye 9 in turn between hardware 1, towing plate 8, PT adjusts plate 7, parallel link plate 4, DB adjusts plate 6 and U-shaped link, extending pull rod 18 is connected with in turn between described two change six yoke plates 17 to strain clamp 21, right angle link plate 2, DB adjusts plate 6 and U-shaped link 5, described DB adjusts plate 6 and comprises the dual-side intersected at obtuse angle and the arc-shaped side be arranged between described dual-side, the intersection of described dual-side arranges connecting hole, along described arc-shaped side interval, connecting hole is set, described PT adjusts plate 7 and comprises parallel-plate and be arranged on the single link plate between described parallel-plate, described single link plate and parallel-plate are interval with adjustment screw respectively, be bolted between described single link plate and parallel-plate, grading ring 11 is set in described insulator string, described grading ring 11 is made up of symmetrically arranged two semi-rings, described semi-ring end arranges end-blocking ball, described grading ring is provided with support, described three become duplex plate 15 two ends is provided with shading ring 20, described shading ring 20 is spliced with shielding ring body two by the shielding ring body one of arcuate structure, described shading ring becomes duplex plate 15 by shield bracket with aluminium row and three and is connected, link plate 2 two ends, described right angle arrange groove respectively, the fluting direction of described groove is mutually vertical, described groove two side is respectively equipped with through hole along same level line direction.
Owing to have employed above-mentioned technical scheme, the invention has the beneficial effects as follows: propose a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string, adopt ripe processing technology, the structural strength of gold utensil and the intensity of hardware string are easily protected, by optimizing metal lamps structure size, type of attachment and insulation subnumber, can effectively improve strain insulator-string structural strength, thus wire traction is fixed on strain tower, guarantee the normal operation of transmission line.
The foregoing is only the preferred embodiment of invention, not in order to limit the present invention, any amendment done within all spirit at this and principle, equivalently to replace and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a UHVDC Transmission Lines 5-linked three hanging point strain insulator-string, it is characterized in that, described strain insulator-string is concatenated into insulator string by plate-shaped suspension type insulator (10), described insulator string five cylindrical arrangement, Liang Lie one end, described insulator string edge is connected to right angle link plate (2), described right angle link plate (2) is connected with hardware (1), in the middle of described insulator string, a row one end is connected with hardware (1), the other end that described insulator string is connected with right angle link plate (2) is connected with socket-clevis eye (12), two in described socket-clevis eye (12) become a yoke plate (14) be connected with one two, make four socket-clevis eyes (12) connect two two and become a yoke plate (14), in the middle of described insulator string, a row other end is connected with PD link plate (13), described two two changes one yoke plate (14) become duplex plate (15) with PD link plate (13) and three and are connected, described three changes duplex plate (15) become six yoke plates (17) by two link plates (16) and two and are connected, described two become six yoke plates (17) is connected with strain clamp (21), described strain clamp (19) is connected with wire.
2. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 1, it is characterized in that, between described insulator string to hardware (1), be also connected with ball-eye (9), towing plate (8), PT adjustment plate (7), parallel link plate (4) and yoke plate (3) successively.
3. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 2, it is characterized in that, in the middle of described insulator string, the plate-shaped suspension type insulator (10) of row is connected with ball-eye (9), towing plate (8), PT adjustment plate (7), parallel link plate (4), DB adjustment plate (6) and U-shaped link in turn between hardware (1).
4. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 3, it is characterized in that, between described two changes six yoke plates (17) to strain clamp (21), be connected with extending pull rod (18), right angle link plate (2), DB adjustment plate (6) and U-shaped link (5) in turn.
5. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 4, it is characterized in that, described DB adjusts plate (6) and comprises the dual-side intersected at obtuse angle and the arc-shaped side be arranged between described dual-side, the intersection of described dual-side arranges connecting hole, arranges connecting hole along described arc-shaped side interval.
6. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 4, it is characterized in that, described PT adjusts plate (7) and comprises parallel-plate and be arranged on the single link plate between described parallel-plate, described single link plate and parallel-plate are interval with adjustment screw respectively, are bolted between described single link plate and parallel-plate.
7. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 4, it is characterized in that, grading ring (11) is set in described insulator string, described grading ring (11) is made up of symmetrically arranged two semi-rings, described semi-ring end arranges end-blocking ball, and described grading ring is provided with support.
8. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 4, it is characterized in that, described three become duplex plate (15) two ends is provided with shading ring (20), described shading ring (20) is spliced with shielding ring body two by the shielding ring body one of arcuate structure, and described shading ring becomes duplex plate (15) by shield bracket with aluminium row and three and is connected.
9. a kind of UHVDC Transmission Lines 5-linked three hanging point strain insulator-string according to claim 4, it is characterized in that, link plate (2) two ends, described right angle arrange groove respectively, the fluting direction of described groove is mutually vertical, and described groove two side is respectively equipped with through hole along same level line direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025042.1A CN105469909A (en) | 2015-12-30 | 2015-12-30 | Strain insulator string equipped with five yoke plates and three suspension points and used for extra-high voltage direct current circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511025042.1A CN105469909A (en) | 2015-12-30 | 2015-12-30 | Strain insulator string equipped with five yoke plates and three suspension points and used for extra-high voltage direct current circuit |
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| Publication Number | Publication Date |
|---|---|
| CN105469909A true CN105469909A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511025042.1A Pending CN105469909A (en) | 2015-12-30 | 2015-12-30 | Strain insulator string equipped with five yoke plates and three suspension points and used for extra-high voltage direct current circuit |
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| CN (1) | CN105469909A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024218A (en) * | 2016-07-13 | 2016-10-12 | 中国电力科学研究院 | High-voltage leading wire hanging point device |
| CN109066554A (en) * | 2018-08-27 | 2018-12-21 | 江苏捷凯电力器材有限公司 | A kind of high-intensitive six or the three hanging point wind resistance strain insulator-strings of UHVDC Transmission Lines |
| CN110047630A (en) * | 2019-06-03 | 2019-07-23 | 江苏天南电力器材有限公司 | Insulator tripartition wire tension-resistant string |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07105770A (en) * | 1993-09-30 | 1995-04-21 | Ngk Insulators Ltd | Lightning protective insulator |
| CN203721398U (en) * | 2014-03-05 | 2014-07-16 | 国家电网公司 | 420kN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line |
| CN203799765U (en) * | 2014-04-01 | 2014-08-27 | 中国电力工程顾问集团西南电力设计院 | Horizontally-distributed triple-arrangement insulator string for 500kV line aluminum alloy wire |
| CN204167018U (en) * | 2014-11-20 | 2015-02-18 | 国家电网公司 | A kind of 5-linked double hanging point insulator strain string |
| CN205303079U (en) * | 2015-12-30 | 2016-06-08 | 中国电力工程顾问集团西南电力设计院有限公司 | Special high voltage direct current three strings of some strain insulator -strings of quintuplet for circuit |
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2015
- 2015-12-30 CN CN201511025042.1A patent/CN105469909A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07105770A (en) * | 1993-09-30 | 1995-04-21 | Ngk Insulators Ltd | Lightning protective insulator |
| CN203721398U (en) * | 2014-03-05 | 2014-07-16 | 国家电网公司 | 420kN three-connection V-shaped suspension insulator string for extra-high voltage power transmission line |
| CN203799765U (en) * | 2014-04-01 | 2014-08-27 | 中国电力工程顾问集团西南电力设计院 | Horizontally-distributed triple-arrangement insulator string for 500kV line aluminum alloy wire |
| CN204167018U (en) * | 2014-11-20 | 2015-02-18 | 国家电网公司 | A kind of 5-linked double hanging point insulator strain string |
| CN205303079U (en) * | 2015-12-30 | 2016-06-08 | 中国电力工程顾问集团西南电力设计院有限公司 | Special high voltage direct current three strings of some strain insulator -strings of quintuplet for circuit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106024218A (en) * | 2016-07-13 | 2016-10-12 | 中国电力科学研究院 | High-voltage leading wire hanging point device |
| CN106024218B (en) * | 2016-07-13 | 2023-11-10 | 中国电力科学研究院 | High-pressure drainage wire hanging point device |
| CN109066554A (en) * | 2018-08-27 | 2018-12-21 | 江苏捷凯电力器材有限公司 | A kind of high-intensitive six or the three hanging point wind resistance strain insulator-strings of UHVDC Transmission Lines |
| CN110047630A (en) * | 2019-06-03 | 2019-07-23 | 江苏天南电力器材有限公司 | Insulator tripartition wire tension-resistant string |
| CN110047630B (en) * | 2019-06-03 | 2024-05-24 | 江苏天南电力股份有限公司 | Tension string of three split conductors of insulator |
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Application publication date: 20160406 |
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