CN204204524U - A kind of overhead transmission line combined insulator suspension string - Google Patents
A kind of overhead transmission line combined insulator suspension string Download PDFInfo
- Publication number
- CN204204524U CN204204524U CN201420588233.3U CN201420588233U CN204204524U CN 204204524 U CN204204524 U CN 204204524U CN 201420588233 U CN201420588233 U CN 201420588233U CN 204204524 U CN204204524 U CN 204204524U
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- Prior art keywords
- insulator
- porcelain
- string
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- composite
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- 239000012212 insulator Substances 0.000 title claims abstract description 102
- 239000000725 suspension Substances 0.000 title claims abstract description 28
- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 claims abstract description 66
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 37
- 239000011521 glass Substances 0.000 claims abstract description 26
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 19
- 239000004917 carbon fiber Substances 0.000 claims abstract description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
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- Insulators (AREA)
Abstract
The utility model discloses a kind of overhead transmission line combined insulator suspension string, it is characterized in that it comprises link plate (1), link plate (1) connecting ball head link (2), ball-eye (2) connects the porcelain core composite insulator string group (3) be made up of some porcelain core composite insulator strings, porcelain core composite insulator string group (3) connects 1 ~ 2 antifouling porcelain insulator or glass insulator (4), antifouling porcelain insulator or glass insulator (4) connect socket-clevis eye (5), socket-clevis eye (5) connects suspension clamp (6), suspension clamp (6) connects carbon fiber composite core wire (8), the utility model guarantees the electric property of porcelain core composite insulator string, insulation property, creepage distance and steep wave withstand voltage level, guarantee porcelain core composite suspension insulator string safe and reliable operation in the overhead transmission line adopting carbon fiber composite core wire, reach life cycle management, and exempt from cleaning, minimizing maintenance workload.
Description
Technical field:
The utility model relates to a kind of 35 ~ 500kV overhead transmission line combined insulator suspension string, belongs to the design of electric power system overhead transmission line, operation, maintenance field.
Background technology:
According to open source literature, so far, existing 2 about the patent of combined insulator string, be described below respectively:
Combined insulator string (ZL200920119357.6): the utility model discloses a kind of combined insulator string, comprise the composite rod insulator of main part, it is characterized in that at least being provided with dish-type glass insulator at side of wire on described shape suspended compound insulator.Side of wire dish-type glass insulation quantum count is 1 ~ 6, preferably 4 ~ 6.Combined insulator string of the present utility model, have the advantage of plate-shaped suspension type insulator string and composite rod insulator concurrently, both there is very high anti-pollution characteristic, very high puncture voltage can be born, good electric erosion resistance energy, radio interference level is low, leakage current is little, Lightning performance is strong, overcome again simultaneously and adopt separately dish-type porcelain suspension insulator may occur zero resistance insulator thus cause very large impact to operation of power networks, or adopt separately dish-type glass suspension insulator antifouling capacity poor, or the defect adopting separately composite rod insulator Lightning performance poor etc.
Suspension type composite insulator (patent No. ZL201220696317.X): the utility model discloses a kind of suspension type composite insulator, comprise composite insulator string and disk-like glass insulator string, described composite insulator string lower end is articulated with disk-like glass insulator string top, and single dish type glass insulator is hinged up and down forms by several for described disk-like glass insulator string.Adopt bulb hinged anatomical connectivity between composite insulator string and disk-like glass insulator string, can reduce to act on the bending load on composite insulator and eccentric load, protection composite insulator.Meanwhile, disk-like glass insulator string weight is large, has the effect of weight concurrently, significantly reduces the windage yaw phenomenon that insulator string produces, avoids the generation of windage yaw discharge accident, guarantee the safety of transmission line.
The people such as State Network Electric Power Research Institute Zhang Rui publish thesis " experimental study that composite insulator is applied to carbon fiber composite core wire enlarging project " in " high voltage technique " the 10th phase in 2011.Introduce in literary composition: carbon fiber composite core wire has the advantages such as high temperature resistant, ampacity is large, allowable temperature even can more than 200 DEG C in short-term for they, if use composite insulator, when its high temperature is delivered to composite insulator high voltage end, the crimp strength performance of plug, silastic material and metal-ware bonding pad can be affected, time serious, string accident can be caused.For this reason, from theory calculate, verification experimental verification, analysis on Operating, 4 aspects such as analogue test, analyze under hot operation condition, thermo parameters method situation and the key factor affecting composite insulator runnability of composite insulator high voltage end, and according to the first #1 line of the Liaoning Area 220kV the Liao Dynasty actual motion composite insulator of 2 years electric under ACCC-713 Carbon fiber alloy wire, Mechanical Property Analysis, and in laboratory conditions, the mechanical performance result of variations of composite insulator at different tests temperature, Attention question and suggestion is answered when proposing practical application.Research shows, along with the rising of electric insulator steel foot temperature, composite insulator intensity declines gradually, can be reduced to 50% of initial strength under 180 DEG C of conditions.
From above data, published 2 two patents increase some dish-type glass insulators at the high-pressure side of composite insulator, and shortcoming is: increasing some dish-type glass insulators needs the cleaning that has a power failure, and increases maintenance workload; And composite insulator is lightweight, wind-deviation weak effect; Do not consider carbon fiber composite core wire in high temperature, During Process of Long-term Operation on composite suspension insulator string electric property impact and carbon fiber composite core wire compared with the lightweight shortcoming of ordinary steel core aluminum stranded wire.
Therefore, adopting the combination of safe and reliable porcelain core composite suspension insulator string and 1 ~ 2 antifouling porcelain insulator or glass insulator, is necessary.
Utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of mechanical performance guaranteeing composite insulator, guarantee composite insulator safe and reliable operation in the overhead transmission line adopting carbon fiber composite core wire, reach life cycle management, and exempt from the overhead power transmission line composite insulator composite type suspension string cleaning, reduce maintenance workload.
The purpose of this utility model can be reached by following measure: a kind of overhead transmission line combined insulator suspension string, it is characterized in that it comprises link plate, link plate connecting ball head link, ball-eye connects the porcelain core composite insulator string group be made up of some porcelain core composite insulator strings, porcelain core composite insulator string group connects 1 ~ 2 antifouling porcelain insulator or glass insulator, antifouling porcelain insulator or glass insulator connect socket-clevis eye, socket-clevis eye connects suspension clamp, and suspension clamp connects carbon fiber composite core wire.
In order to realize the purpose of this utility model further, outside described carbon fiber composite core wire, be provided with aluminium armor tape.
The utility model can produce following good effect compared with the prior art: the utility model one adopts some porcelain core composite insulator strings in suspension string, guarantee the mechanical performance of suspension string in the overhead transmission line adopting carbon fiber composite core wire, two is that antifouling porcelain insulator or glass insulator are at long term high temperature, easy contamination in low temperature alternate run, in insulation coordination design, do not need the insulation property considering antifouling porcelain insulator or glass insulator, only need to consider its heat insulating function and mechanical performance, guarantee porcelain core composite insulator string group safe and reliable operation in the overhead transmission line adopting carbon fiber composite core wire.The utility model installs 1 ~ 2 antifouling porcelain insulator or glass insulator additional below some porcelain core composite insulator strings, play heat-blocking action, guarantee the piece electrical performance of porcelain core composite insulator string in the overhead transmission line adopting carbon fiber composite core wire, reach life cycle management design concept.Therefore wind-deviation effect of the present utility model is better than composite insulator and glass insulation sub-portfolio string, and exempts from cleaning, minimizing maintenance workload, reliable.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing, preferred forms of the present utility model is elaborated:
Embodiment: a kind of overhead transmission line combined insulator suspension string (see Fig. 1), it is as follows successively to live end from earth terminal: ZBS-07/10-80 type link plate 1, QP-0750 type ball-eye 2, porcelain core composite insulator string group 3,1 ~ 2 antifouling porcelain insulator of XWP2-7 type be made up of some FXWP2-7 type porcelain core composite insulator strings or glass insulator 4, W-0770 type socket-clevis eye 5, XG-6034 type suspension clamp 6, aluminium armor tape 7 and carbon fiber composite core wire 8, above-mentioned parts can select other models as required.Link plate 1 connecting ball head link 2, ball-eye 2 connects the porcelain core composite insulator string group 3 be made up of some porcelain core composite insulator strings, porcelain core composite insulator string group 3 connects 1 ~ 2 antifouling porcelain insulator or glass insulator 4, antifouling porcelain insulator or glass insulator 4 connect socket-clevis eye 5, socket-clevis eye 5 connects suspension clamp 6, suspension clamp 6 connects carbon fiber composite core wire 8, is provided with aluminium armor tape 7 outside carbon fiber composite core wire 8.The utility model is by increase by 1 ~ 2 antifouling porcelain insulator of XWP2-7 type or glass insulator 4, the heat that high-pressure side carbon fiber composite core wire 8 produces at 120 ~ 180 DEG C of high temperature is reduced to minimum to greatest extent, guarantees the electric property of porcelain core composite insulator string 3.
Claims (2)
1. an overhead transmission line combined insulator suspension string, it is characterized in that it comprises link plate (1), link plate (1) connecting ball head link (2), ball-eye (2) connects the porcelain core composite insulator string group (3) be made up of some porcelain core composite insulator strings, porcelain core composite insulator string group (3) connects 1 ~ 2 antifouling porcelain insulator or glass insulator (4), antifouling porcelain insulator or glass insulator (4) connect socket-clevis eye (5), socket-clevis eye (5) connects suspension clamp (6), and suspension clamp (6) connects carbon fiber composite core wire (8).
2. a kind of overhead transmission line combined insulator suspension string according to claim 1, is characterized in that being provided with aluminium armor tape (7) outside described carbon fiber composite core wire (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588233.3U CN204204524U (en) | 2014-10-13 | 2014-10-13 | A kind of overhead transmission line combined insulator suspension string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420588233.3U CN204204524U (en) | 2014-10-13 | 2014-10-13 | A kind of overhead transmission line combined insulator suspension string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204204524U true CN204204524U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420588233.3U Expired - Fee Related CN204204524U (en) | 2014-10-13 | 2014-10-13 | A kind of overhead transmission line combined insulator suspension string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204204524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252925A (en) * | 2014-10-13 | 2014-12-31 | 国家电网公司 | Combined insulator suspension string of overhead power transmission line |
| CN106571222A (en) * | 2016-10-20 | 2017-04-19 | 国网山东省电力公司烟台供电公司 | Dedicated traction support of outgoing line of transformer winding |
-
2014
- 2014-10-13 CN CN201420588233.3U patent/CN204204524U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252925A (en) * | 2014-10-13 | 2014-12-31 | 国家电网公司 | Combined insulator suspension string of overhead power transmission line |
| CN106571222A (en) * | 2016-10-20 | 2017-04-19 | 国网山东省电力公司烟台供电公司 | Dedicated traction support of outgoing line of transformer winding |
| CN106571222B (en) * | 2016-10-20 | 2017-12-01 | 国网山东省电力公司烟台供电公司 | A kind of special towing bracket of Transformer Winding lead-out wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20151013 |
|
| EXPY | Termination of patent right or utility model |