CN208570224U - The high altitude localities alternating current circuit 500kV duplex I type band parallel connection gaps suspension insulator - Google Patents
The high altitude localities alternating current circuit 500kV duplex I type band parallel connection gaps suspension insulator Download PDFInfo
- Publication number
- CN208570224U CN208570224U CN201821456855.5U CN201821456855U CN208570224U CN 208570224 U CN208570224 U CN 208570224U CN 201821456855 U CN201821456855 U CN 201821456855U CN 208570224 U CN208570224 U CN 208570224U
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- China
- Prior art keywords
- parallel connection
- connection gaps
- yoke plate
- duplex
- high altitude
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- 239000012212 insulator Substances 0.000 title claims abstract description 61
- 239000000725 suspension Substances 0.000 title claims abstract description 36
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010931 gold Substances 0.000 claims abstract description 26
- 229910052737 gold Inorganic materials 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 239000002131 composite material Substances 0.000 claims description 4
- 238000001354 calcination Methods 0.000 abstract description 4
- 238000010891 electric arc Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Abstract
The utility model discloses a kind of alternating current circuit high altitude localities 500kV duplex I type band parallel connection gaps suspension insulators, including the hitch point fitting being connect with tower body, hitch point fitting and insulator chain pass sequentially through the first connection gold utensil, cross yoke plate and the second connection gold utensil are connected, cross yoke plate connects parallel connection gaps top electrode, the lower end of insulator chain is connected with the upper end of triangle yoke plate, triangle yoke plate is fixedly connected with electrode under parallel connection gaps, the lower end of triangle yoke plate is connected by third connection gold utensil with quadripartion yoke plate, four are hung on quadripartion yoke plate for hanging the suspension clamp of transmission pressure；Electrode under parallel connection gaps top electrode and parallel connection gaps is set; power frequency arc can be dredged in lightning flash over; it protects insulator chain from electric arc calcination, improves reclosing success rate, filled up the blank that the high altitude localities transmission line of alternation current 500kV suspension insulator installs parallel connection gaps additional；And it similarly can be suitably used for other low altitude area HVAC power transmission lines.
Description
Technical field
The utility model belongs to high-voltage isulation field, and in particular to a kind of alternating current circuit high altitude localities 500kV duplex I type
Band parallel connection gaps suspension insulator.
Background technique
Networking project is located in Hengduan mountain range and Nyainqentanglha Shan area, most of height above sea level exists in the middle part of Eastern Tibet in hiding
4000 meters or more, tower position and road maximum height difference are more than 1000 meters, and part tower position operation and maintenance are extremely difficult, it is therefore necessary to improve
The reliability of fitting insulator chain meets the non-maintaining requirement of HVAC power transmission line hanging wire fitting.
China is no more than 220kV using the transmission line of electricity overwhelming majority voltage class with parallel connection gaps insulator chain at present,
500kV transmission line of electricity seldom uses band parallel connection gaps insulator chain, the area high altitude localities especially height above sea level 4000m or more
500kV route was from being not used the insulator chain with parallel connection gaps.Therefore, the band 500kV of high altitude localities used for transmission line
Parallel connection gaps insulator chain is those skilled in the art's technical problem urgently to be solved.
Utility model content
In order to solve problems of the prior art, the utility model discloses a kind of high altitude localities 500kV friendships
Flow Line duplex I type band parallel connection gaps suspension insulator, can satisfy 4000 meters of height above sea level or more regional high-voltage AC transmission lines
The non-maintaining particular/special requirement of road hanging wire fitting, can satisfy and dredge power frequency arc in lightning flash over, protection insulator chain from
Electric arc calcination improves reclosing success rate.
To achieve the goals above, the technical solution adopted in the utility model is a kind of high altitude localities 500kV AC line
Road duplex I type band parallel connection gaps suspension insulator, including hitch point fitting, insulator chain, parallel connection gaps top electrode and simultaneously
Join electrode under gap, hitch point fitting and insulator chain pass sequentially through the first connection gold utensil, cross yoke plate and the second connection gold utensil
It is connected, cross yoke plate connects parallel connection gaps top electrode, and the lower end of insulator chain is connected with the upper end of triangle yoke plate, triangle yoke plate
It being fixedly connected with electrode under parallel connection gaps, the lower end of triangle yoke plate is connected by third connection gold utensil with quadripartion yoke plate, and four points
It splits there are four being hung on yoke plate for hanging the suspension clamp of transmission pressure；Electricity under parallel connection gaps top electrode lower end and parallel connection gaps
The spacing of pole upper end is less than the length of insulator chain.
Parallel connection gaps power on extremely round hook.
Electrode uses half racetrack under parallel connection gaps.
The connecting pin width of half runway is less than the diameter of bend in runway.
The diameter of parallel connection gaps top electrode is less than the diameter of electrode under parallel connection gaps.
The spacing of electrode upper end is less than insulator chain dry arcing distance under parallel connection gaps top electrode lower end and parallel connection gaps.
Quadripartion yoke plate is equipped with the heavy punch piece for controlling insulator chain swing angle.
Insulator chain uses composite insulator string, and type of attachment is coupled using bulb or bowl head.
Hitch point fitting is connect using EB type trunnion hanging panel fitting with tower body cross-arm.
Suspension clamp uses the anti-corona suspension clamp of handbag type.
Compared with prior art, the utility model has the following beneficial effects: being fixed on cross yoke plate for protecting
The parallel connection gaps top electrode of insulator chain is fixed with electrode under the parallel connection gaps for protecting insulator chain on triangle yoke plate,
Power frequency arc can be dredged in lightning flash over, protect insulator chain from electric arc calcination, and improve reclosing success rate, effectively
Insulator chain is protected, has been filled up between 4000 meters of height above sea level or more the area transmission line of alternation current 500kV suspension insulators installation parallel connections
The blank of gap；The requirement for meeting the High aititude O&M area in hardship transmission line of alternation current 500kV meets 4000 meters of height above sea level with Shangdi
The non-maintaining requirement of area's HVAC power transmission line hanging wire fitting, and similarly can be suitably used for the friendship of other low altitude area high pressures
Flow transmission line of electricity.
Further, insulator chain uses composite insulator, and type of attachment is coupled using bulb, bowl head, is had excellent
Resistance to pollution flashover ability.
Further, heavy punch piece is set, swing angle of the utility model under strong wind operating condition can be controlled.
Further, suspension clamp uses the anti-corona suspension clamp of handbag type, has anti-corona performance.
Further, hitch point fitting is connect using EB type trunnion hanging panel fitting with tower body cross-arm.
Further, the diameter that the connecting pin width of half runway is less than bend in runway is readily produced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view schematic diagram of Fig. 1；
Wherein: 1 is hitch point fitting, and 2 be the first connection gold utensil, and 3 be cross yoke plate, and 4 be the second connection gold utensil, and 5 is simultaneously
Join gap top electrode, 6 be insulator chain, and 7 be electrode under parallel connection gaps, and 8 be triangle yoke plate, and 9 be third connection gold utensil, and 10 be four
Yoke plate is divided, 11 be heavy punch piece, and 12 be suspension clamp.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Referring to Figures 1 and 2, the alternating current circuit a kind of high altitude localities 500kV duplex I type band parallel connection gaps suspension insulator
String, including electrode 7 under hitch point fitting 1, insulator chain 6, parallel connection gaps top electrode 5 and parallel connection gaps, hitch point fitting 1 with
Insulator chain 6 passes sequentially through the first connection gold utensil 2, cross yoke plate 3 is connected with the second connection gold utensil 4, and cross yoke plate 3 connects simultaneously
Join gap top electrode 5, the lower end of insulator chain 6 is connected with the upper end of triangle yoke plate 8, electrode 7 under triangle yoke plate 8 and parallel connection gaps
It is fixedly connected, the lower end of triangle yoke plate 8 is connected by third connection gold utensil 9 with quadripartion yoke plate 10, is hanged on quadripartion yoke plate 10
For hanging the suspension clamp 12 of transmission pressure there are four hanging；7 upper end of electrode under 5 lower end of parallel connection gaps top electrode and parallel connection gaps
Spacing be less than insulator chain 6 dry arcing distance.
Duplex I type suspension insulator in the alternating current circuit a kind of high altitude localities 500kV described in the utility model, including suspension
Point fitting 1, the first connection gold utensil 2, cross yoke plate 3, the second connection gold utensil 4, parallel connection gaps top electrode 5, insulator chain 6, parallel connection
Electrode 7, triangle yoke plate 8, third connection gold utensil 9, quadripartion yoke plate 10, heavy punch piece 11, suspension clamp 12 under gap；Using duplex
I serial type formula assembles, and the setting of hitch point fitting 1 is used on top using the superior EB type trunnion hanging panel fitting of stress performance
It is connect with tower body cross-arm；The lower end of hitch point fitting 1 is connected by the first connection gold utensil 2 with the upper end of cross yoke plate 3, ten couplets
Parallel connection gaps top electrode 5 is bolted on plate 3, the lower end of cross yoke plate 3 passes through the second connection gold utensil 4 and insulator chain
6 upper end is connected, and insulator chain 6 uses composite insulator, and type of attachment is coupled using bulb, bowl head, has excellent resistant
Sudden strain of a muscle ability.The lower end of insulator chain 6 is connected with the upper end of triangle yoke plate 8, is bolted parallel connection gaps on triangle yoke plate 8
Lower electrode 7, electrode 7 can dredge power frequency arc, protection insulation in lightning flash under parallel connection gaps top electrode 5 and parallel connection gaps
Substring improves reclosing success rate from electric arc calcination；；7 upper end of electrode under 5 lower end of parallel connection gaps top electrode and parallel connection gaps
Spacing be less than 8 lower end of length triangle yoke plate of insulator chain 6 and be connected with quadripartion yoke plate 10 by third connection gold utensil 9, four
There are four the suspension clamps 12 for hanging transmission pressure for suspension on division yoke plate 10.
Parallel connection gaps top electrode 5 is circle hook, is made of round steel, and electrode 7 is made of coating steel pipe under parallel connection gaps,
The connecting pin width of the runway is less than the diameter of bend in runway.The diameter of parallel connection gaps top electrode 5 is less than under parallel connection gaps
The diameter of electrode 7.
Connection gold utensil includes the first connection gold utensil 2, the second connection gold utensil 4 and third connection gold utensil 9；Yoke plate includes cross
Yoke plate 3, triangle yoke plate, quadripartion yoke plate 10.
The heavy punch piece for controlling swing angle of the utility model under strong wind operating condition is additionally provided on quadripartion yoke plate 10
11；Hitch point fitting 1, connection gold utensil, yoke plate class fitting use 35CrMo or Q345R material, have good wear-resisting property, energy
Effectively reduce maintenance work amoun.
When the utility model is used, being first completed the utility model, then pass through hitch point fitting 1 for this reality
It is connected on tower body with novel, then in four suspension clamps 12 that 4 split conductors are each passed through in the utility model.
It dangles above to the alternating current circuit high altitude localities 500kV provided by the utility model duplex I type band parallel connection gaps
Insulator chain is described in detail, and applies specific case and explained the principles of the present invention and embodiment
It states, and it cannot be said that specific embodiment of the present utility model is only limitted to this, for the common of the utility model technical field
For technical staff, without departing from the concept of the premise utility, several simple deduction or replace can also be made, all
It shall be regarded as belonging to the utility model and determine scope of patent protection by the claims submitted.
Claims (9)
1. a kind of alternating current circuit high altitude localities 500kV duplex I type band parallel connection gaps suspension insulator, it is characterised in that: packet
Include electrode (7) under hitch point fitting (1), insulator chain (6), parallel connection gaps top electrode (5) and parallel connection gaps, hitch point fitting
(1) it passes sequentially through the first connection gold utensil (2), cross yoke plate (3) and the second connection gold utensil (4) with insulator chain (6) to be connected, ten
Couplet plate (3) connects parallel connection gaps top electrode (5), and the lower end of insulator chain (6) is connected with the upper end of triangle yoke plate (8), triangle
Yoke plate (8) is fixedly connected with electrode under parallel connection gaps (7), and the lower end of triangle yoke plate (8) passes through third connection gold utensil (9) and four points
It splits yoke plate (10) to be connected, there are four the suspension clamps (12) for hanging transmission pressure for suspension on quadripartion yoke plate (10)；It is in parallel
The spacing of electrode (7) upper end is less than the dry arcing distance of insulator chain (6) under gap top electrode (5) lower end and parallel connection gaps.
2. the alternating current circuit high altitude localities 500kV according to claim 1 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: parallel connection gaps top electrode (5) is circle hook.
3. the alternating current circuit high altitude localities 500kV according to claim 1 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: electrode (7) uses half racetrack under parallel connection gaps.
4. the alternating current circuit high altitude localities 500kV according to claim 3 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: the connecting pin width of half runway is less than the diameter of bend in runway.
5. the alternating current circuit high altitude localities 500kV according to claim 1 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: the diameter of parallel connection gaps top electrode (5) is less than the diameter of electrode (7) under parallel connection gaps.
6. the alternating current circuit high altitude localities 500kV according to claim 1 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: quadripartion yoke plate (10) is equipped with the heavy punch piece (11) for controlling insulator chain (6) swing angle.
7. the alternating current circuit high altitude localities 500kV according to claim 1 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: insulator chain (6) uses composite insulator string, and type of attachment is coupled using bulb or bowl head.
8. the alternating current circuit high altitude localities 500kV according to claim 1 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: hitch point fitting (1) is connect using EB type trunnion hanging panel fitting with tower body cross-arm.
9. the alternating current circuit high altitude localities 500kV according to claim 1 duplex I type band parallel connection gaps suspension insulator
String, it is characterised in that: suspension clamp (12) uses the anti-corona suspension clamp of handbag type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456855.5U CN208570224U (en) | 2018-09-06 | 2018-09-06 | The high altitude localities alternating current circuit 500kV duplex I type band parallel connection gaps suspension insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821456855.5U CN208570224U (en) | 2018-09-06 | 2018-09-06 | The high altitude localities alternating current circuit 500kV duplex I type band parallel connection gaps suspension insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570224U true CN208570224U (en) | 2019-03-01 |
Family
ID=65451577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821456855.5U Active CN208570224U (en) | 2018-09-06 | 2018-09-06 | The high altitude localities alternating current circuit 500kV duplex I type band parallel connection gaps suspension insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208570224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065290A (en) * | 2018-09-06 | 2018-12-21 | 国家电网有限公司 | The high altitude localities alternating current circuit 500kV duplex I type band parallel connection gaps suspension insulator |
-
2018
- 2018-09-06 CN CN201821456855.5U patent/CN208570224U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065290A (en) * | 2018-09-06 | 2018-12-21 | 国家电网有限公司 | The high altitude localities alternating current circuit 500kV duplex I type band parallel connection gaps suspension insulator |
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| GR01 | Patent grant |