CN205845607U - Anti-icing insulator is used in ground wire deicing transformation - Google Patents
Anti-icing insulator is used in ground wire deicing transformation Download PDFInfo
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- CN205845607U CN205845607U CN201620784522.XU CN201620784522U CN205845607U CN 205845607 U CN205845607 U CN 205845607U CN 201620784522 U CN201620784522 U CN 201620784522U CN 205845607 U CN205845607 U CN 205845607U
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- ground wire
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- icing
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- 239000012212 insulator Substances 0.000 title claims abstract description 44
- 230000009466 transformation Effects 0.000 title claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical group C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a kind of ground wire deicing transformation and use anti-icing insulator, on all press assembly and lower all press assembly, on all press assembly and lower all pressure assembly between be hung with insulator chain, on all press and between assembly and lower all pressures assembly, be provided with two groups of discharging gaps in parallel in the both sides of insulator chain, upper all pressures assembly is arranged over the insulated umbrella for preventing supercooled water from flowing into discharging gap in discharging gap.The transformation of this ground wire deicing with anti-icing insulator have economical and effective, ground wire lightning protection function and ice-melt demand can be taken into account, safety is high, the advantage that can improve circuit O&M efficiency.
Description
Technical field
This utility model relates generally to electrical engineering technical field, particularly relates to a kind of ground wire deicing transformation and uses anti-icing insulation
Son.
Background technology
What powerline ice-covering caused fall tower, breaking, fall the accidents such as string and emerge in an endless stream, south China easy icing province is subject to deeply
Its evil.For this problem, carry out various anti-icing means at present, mainly use the hands that ice-melt, anti-ice combine for wire
Section, achieves significant effect.But it is all the ground wire that overhead transmission line important component part, icing are the most serious, because of it
Usual and shaft tower causes it to cannot be carried out ice-melt with earthy characteristic, it has also become a notable short slab of the anti-icing work of circuit,
Ground wire discharge accident is highlighted by phase line day by day that caused by ground wire icing.
Ground wire is not charged because of it, and icing is more serious than wire, newly-built circuit ground wire in the design all than wire high one resist
Ice grade, but the ground wire anti-ice transformation to built circuit cannot effectively be carried out because credit requirement is huge, uses ice-melt means relative
Economy is higher.A few years ago, there is relevant unit to utilize common insulator to carry out the transformation of ground wire insulating and implement the elder generation of ice-melt
Example, but promote because various drawbacks cause the method to be difficult on a large scale.One, uses common suspension insulator insulating to transform
Affect the lightning protection characteristic of circuit, need before winter approached by ground wire grounded remove, the icing phase terminate after need ground wire grounded
Point connect, workload is the hugest, and run into the vile weather persistent period such as cold spell in later spring longer time, the anti-icing lightning protection of circuit cannot be held concurrently
Turn round and look at.Its two, transform with there will be insulator bridge joint in the case of the most more serious icing of common insulator, easily in deicing processes
Flashover, affects the operation of deicing device.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of economical and effective, can hold concurrently
Turn round and look at ground wire lightning protection function and ice-melt demand, safety is high, anti-icing insulation is used in the ground wire deicing transformation that can improve circuit O&M efficiency
Son.
For solve above-mentioned technical problem, this utility model by the following technical solutions:
Anti-icing insulator is used in a kind of ground wire deicing transformation, including upper all pressure assembly and lower assembly of all pressing, described upper all pressures group
Insulator chain it is hung with, in the two of insulator chain between described upper all pressure assemblies and lower all pressures assembly between part and lower all pressures assembly
Side is provided with two groups of discharging gaps in parallel, and described upper all pressures assembly is arranged over for preventing supercooling current in discharging gap
Enter the insulated umbrella of discharging gap.
Further improvement as technique scheme:
Described upper all pressures assembly includes that grading ring and two are in the upper electrode being oppositely arranged on upper grading ring down either side
Bar, forms discharging gap described in two groups between two upper electrode stems and lower all pressures assembly, two described insulated umbrella respectively with two
Upper electrode stem bottom thread connects.
Described upper grading ring is provided with singletree, and the upper grading ring between described upper singletree and two upper electrode stems is straight
Footpath overlaps.
The centre position of described upper singletree is threaded upper hanging rod, and described upper hanging rod bottom hangs with insulator chain top
Connecing, upper hanging rod top extend out to outside singletree.
Described insulated umbrella is set to inverted bowl structure, the insulated umbrella diapire of bowl structure and upper electrode stem bottom thread
Connect.
Described lower all pressures assembly includes that lower uniform pressure ring and two are in the bottom electrode being oppositely arranged on above lower uniform pressure ring both sides
Bar, two bottom electrode bars respectively and form described discharging gap between two upper electrode stems.
Described lower uniform pressure ring is provided with lower brace bar, and the lower uniform pressure ring between described lower brace bar and two bottom electrode bars is straight
Footpath overlaps.
The centre position of described lower brace bar is threaded lower peg, and described lower peg top hangs with insulator chain bottom
Connecing, lower peg bottom extend out to outside lower brace bar.
Described lower peg external screw-thread connects has swivel nut, described swivel nut to threaded with lower brace bar.
The two ends up and down of described swivel nut are equipped with limiting stand.
Compared with prior art, the utility model has the advantage of:
1, anti-icing insulator is used in ground wire deicing of the present utility model transformation, can be that Anti-icing of Transmission Lines transformation provides one
Cost-effective method, it is ensured that the exploitativeness of ground wire deicing；
2, anti-icing insulator is used in ground wire deicing of the present utility model transformation, can take into account ground wire lightning protection function and ice-melt needs
Ask, while improving circuit reliability, do not increase the workload disassembling ground wire, improve circuit O&M efficiency；
3, anti-icing insulator use in ground wire deicing of the present utility model transformation, uses double gap in parallel, gap length, vertically between
Away from being all fine-tuned, can effectively guarantee the high reliability of lightning current leakage path, reduce because single discharging gap punctures spy
The dispersibility of property and cause the risk of transmission line caused by lightning strike；
4, anti-icing insulator is used in ground wire deicing of the present utility model transformation, can be long by regulation gap and insulator chain, full
It is sufficient to the ground wire deicing demand of various electric pressure circuit, improves the anti-icing ability of circuit greatly.
Accompanying drawing explanation
Fig. 1 is this utility model ground wire deicing transformation anti-icing insulator main TV structure schematic diagram.
Fig. 2 is structure for amplifying schematic diagram at the A of Fig. 1.
Fig. 3 is this utility model ground wire deicing transformation side-looking structural representation all pressing assembly in anti-icing insulator.
Fig. 4 is the plan structure schematic diagram of this utility model ground wire deicing anti-icing insulator of transformation.
Fig. 5 is that the transformation of this utility model ground wire deicing looks up structural representation (depending on not going out insulation with anti-icing insulator
Umbrella).
In figure, each label represents:
1, upper assembly is all pressed；11, upper grading ring；12, upper electrode stem；13, upper singletree；14, upper hanging rod；2, lower all pressures group
Part；21, lower uniform pressure ring；22, bottom electrode bar；23, lower brace bar；24, lower peg；241, swivel nut；2411, limiting stand；3, insulation
Substring；4, discharging gap；5, insulated umbrella.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, this utility model is described in further details.
Fig. 1 to Fig. 5 shows a kind of embodiment of this utility model ground wire deicing anti-icing insulator of transformation, and this ground wire melts
Ice transformation includes upper all pressure assemblies 1 and lower all pressures assembly 2 with anti-icing insulator, outstanding between upper all pressure assemblies 1 and lower all pressures assembly 2
It is provided with insulator chain 3, between upper all pressure assemblies 1 and lower all pressures assembly 2, is provided with two groups of electric discharges in parallel in the both sides of insulator chain 3
Gap 4, upper all pressures assembly 1 is arranged over the insulated umbrella 5 for preventing supercooled water from flowing into discharging gap 4 in discharging gap 4.
In this knot, upper all pressure assemblies 1 and lower all pressures assembly 2 are made by conducting metal, and by force and smooth surface is uniform to have conductive capability
Characteristic；Insulated umbrella 5 uses silicon rubber composite insulation material to make；On all press assembly 1 upper end to be fixedly mounted on cross-arm, lower all
Pressure assembly 2 lower end is by fixing aerial earth wire, before installation, determines that pendency is absolutely according to ground wire deicing voltage and line thunder protection level
The sheet number of edge substring 1 and discharging gap 4 size.When line ice coating in winter, insulated umbrella 5 can prevent supercooled water from falling into electric discharge
In gap 4, thus prevent gap bridges, it is ensured that the ice-melt voltage of ground wire can be born during line ice-melting, normally carry out line ice-melting
Work.Spring and summer thunder and lightning high incidence period, when there is thunderbolt, because of the dispersibility of gap discharge, direct lightning strike overvoltage or sensed
Voltage always punctures one group therein of two groups of discharging gaps 4, so that it is guaranteed that lightning current obtains being released into ground, it is ensured that circuit does not occurs
Lightning stroke trip accident；The parallel form in two groups of gaps can significantly improve lightning current and be released into the reliability on ground.
In the present embodiment, upper all pressures assembly 1 includes that grading ring 11 and two are in being oppositely arranged on upper grading ring 11 both sides
The upper electrode stem 12 of lower section, forms two groups of discharging gaps 4, two insulated umbrella 5 between two upper electrode stems 12 and lower all pressures assembly 2
It is connected with two upper electrode stem 12 bottom thread respectively.In this structure, upper grading ring 11 is circular ring structure so that two groups of both sides
Discharging gap 4 forms parallel relationship, it is possible to significantly improves lightning current and is released into the reliability on ground；Two upper electrode stem 12 ends are adopted
Process with coating, have that conductive capability is strong, corrosion-resistant, the uniform characteristic of smooth surface.
In the present embodiment, upper grading ring 11 is provided with singletree 13, between upper singletree 13 and two upper electrode stems 12
Upper grading ring 11 diameter overlap.On this, singletree 13 can form the effect of support reinforcing well to upper grading ring 11, and
And each junction point that can guarantee that on upper grading ring 11 that overlaps with upper grading ring 11 diameter is all about centrosymmetric, stress is more
The most reliable.
In the present embodiment, the centre position of upper singletree 13 is threaded upper hanging rod 14, upper hanging rod 14 bottom and insulation
Substring 3 top mounts, and it is outside that upper hanging rod 14 top extend out to singletree 13.In this structure, upper hanging rod 14 bottom and insulator
Going here and there 3 tops uses mounting forms, on the one hand convenient installs, the setting of sub-pieces number of being on the other hand easy to insulate；And upper hanging rod 14 with
Upper singletree 13 is threaded, ensure that the adjustability under grading ring 11 in the vertical direction, it is simple to adjust discharging gap 4；
The external part of upper hanging rod 14 is for being connected with cross-arm when mounted.
In the present embodiment, insulated umbrella 5 is set to inverted bowl structure, insulated umbrella 5 diapire of bowl structure and upper electrode
Bar 12 bottom thread connects.Bowl structure is used to make insulated umbrella 5 playing prevent supercooled water from falling in discharging gap 4 same
Time do not interfere with the size of discharging gap 4.
In the present embodiment, lower all pressures assembly 2 includes that lower uniform pressure ring 21 and two are in being oppositely arranged on lower uniform pressure ring 21 both sides
The bottom electrode bar 22 of top, two bottom electrode bars 22 respectively and form discharging gap 4 between two upper electrode stems 12.This structure
In, lower uniform pressure ring 21 is circular ring structure so that two groups of discharging gaps 4 of both sides form parallel relationship, it is possible to significantly improve thunder and lightning
Stream is released into the reliability on ground；Two bottom electrode bar 22 ends use coating to process, and have that conductive capability is strong, corrosion-resistant, surface
The characteristic of smooth even.
In the present embodiment, lower uniform pressure ring 21 is provided with lower brace bar 23, between lower brace bar 23 and two bottom electrode bars 22
Lower uniform pressure ring 21 diameter overlap.This lower brace bar 23 can form the effect of support reinforcing well to lower uniform pressure ring 21, and
And each junction point that can guarantee that on lower uniform pressure ring 21 that overlaps with lower uniform pressure ring 21 diameter is all about centrosymmetric, stress is more
The most reliable.
In the present embodiment, the centre position of lower brace bar 23 is threaded lower peg 24, lower peg 24 top and insulation
Substring 3 bottom mounts, and it is outside that lower peg 24 bottom extend out to lower brace bar 23.In this structure, lower peg 24 top and insulator
Going here and there 3 bottoms uses mounting forms, on the one hand convenient installs, the setting of sub-pieces number of being on the other hand easy to insulate；And lower peg 24 with
Lower brace bar 23 is threaded, ensure that the adjustability under lower uniform pressure ring 21 in the vertical direction, it is simple to adjust discharging gap 4；
The external part of lower peg 24 is for being connected with ground wire when mounted.
In the present embodiment, lower peg 24 external screw-thread connects has swivel nut 241, swivel nut 241 to threaded with lower brace bar 23.
This swivel nut 241 is provided with internal and external threads so that lower peg 24 forms double thread with lower brace bar 23 and is connected, both can be high with up-down adjustment
Degree, can horizontally rotate again in certain angle so that when adjusting discharging gap 4, two bottom electrode bars 22 and two upper electrodes
The position of bar 12 can be adjusted to correspondence position all the time
In the present embodiment, the two ends up and down of swivel nut 241 are equipped with limiting stand 2411.This limiting stand 2411 is mainly used in preventing
Swivel nut 241 is deviate from from lower brace bar 23, it is ensured that the stability of connection.
Although this utility model discloses as above with preferred embodiment, but is not limited to this utility model.Any
Those of ordinary skill in the art, in the case of without departing from technical solutions of the utility model scope, may utilize the disclosure above
Technology contents technical solutions of the utility model are made many possible variations and modification, or be revised as the equivalence of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to this utility model technical spirit to above real
Execute any simple modification, equivalent variations and modification that example is done, all should fall in the range of technical solutions of the utility model are protected.
Claims (10)
1. anti-icing insulator is used in ground wire deicing transformation, it is characterised in that: include all pressing assembly (1) and lower all press assembly
(2), described upper all press assembly (1) and lower all pressure between assembly (2), to be hung with insulator chain (3), described upper all press assembly (1) and
Under all press between assembly (2) both sides in insulator chain (3) to be provided with two groups of discharging gaps (4) in parallel, described upper all press assembly
(1) it is arranged over for preventing supercooled water from flowing into the insulated umbrella (5) of discharging gap (4) in discharging gap (4) on.
Anti-icing insulator is used in ground wire deicing the most according to claim 1 transformation, it is characterised in that: described upper all press assembly
(1) include grading ring (11) and two in being oppositely arranged on the upper electrode stem (12) of upper grading ring (11) down either side, two
Upper electrode stem (12) and lower all pressure form discharging gap (4) described in two groups between assembly (2), two described insulated umbrella (5) are respectively
It is connected with two upper electrode stem (12) bottom thread.
Anti-icing insulator is used in ground wire deicing the most according to claim 2 transformation, it is characterised in that: described upper grading ring (11)
It is provided with singletree (13), upper grading ring (11) the diameter weight between described upper singletree (13) and two upper electrode stems (12)
Close.
Anti-icing insulator is used in ground wire deicing the most according to claim 3 transformation, it is characterised in that: described upper singletree (13)
Centre position threaded have a upper hanging rod (14), described upper hanging rod (14) bottom mounts with insulator chain (3) top, upper hanging rod
(14) top extend out to singletree (13) outside.
Anti-icing insulator is used in ground wire deicing the most according to claim 4 transformation, it is characterised in that: described insulated umbrella (5) sets
Being set to inverted bowl structure, insulated umbrella (5) diapire of bowl structure is connected with upper electrode stem (12) bottom thread.
6. transform according to the ground wire deicing according to any one of claim 2 to 5 and use anti-icing insulator, it is characterised in that: described
Under all press assembly (2) to include lower uniform pressure ring (21) and two are in the bottom electrode bar being oppositely arranged on above lower uniform pressure ring (21) both sides
(22), two bottom electrode bars (22) respectively and form described discharging gap (4) between two upper electrode stems (12).
Anti-icing insulator is used in ground wire deicing the most according to claim 6 transformation, it is characterised in that: described lower uniform pressure ring (21)
It is provided with lower brace bar (23), lower uniform pressure ring (21) the diameter weight between described lower brace bar (23) and two bottom electrode bars (22)
Close.
Anti-icing insulator is used in ground wire deicing the most according to claim 7 transformation, it is characterised in that: described lower brace bar (23)
Centre position threaded have a lower peg (24), described lower peg (24) top mounts with insulator chain (3) bottom, lower peg
(24) bottom extend out to lower brace bar (23) outside.
Anti-icing insulator is used in ground wire deicing the most according to claim 8 transformation, it is characterised in that: described lower peg (24) is outward
Portion is threaded swivel nut (241), and described swivel nut (241) is threadeded with lower brace bar (23).
Anti-icing insulator is used in ground wire deicing the most according to claim 9 transformation, it is characterised in that: described swivel nut (241)
Two ends are equipped with limiting stand (2411) up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784522.XU CN205845607U (en) | 2016-07-25 | 2016-07-25 | Anti-icing insulator is used in ground wire deicing transformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620784522.XU CN205845607U (en) | 2016-07-25 | 2016-07-25 | Anti-icing insulator is used in ground wire deicing transformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205845607U true CN205845607U (en) | 2016-12-28 |
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ID=57625543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620784522.XU Active CN205845607U (en) | 2016-07-25 | 2016-07-25 | Anti-icing insulator is used in ground wire deicing transformation |
Country Status (1)
| Country | Link |
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| CN (1) | CN205845607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957658A (en) * | 2016-07-25 | 2016-09-21 | 国网湖南省电力公司 | Ice-preventing insulator for ground wire ice-melting reconstruction |
-
2016
- 2016-07-25 CN CN201620784522.XU patent/CN205845607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957658A (en) * | 2016-07-25 | 2016-09-21 | 国网湖南省电力公司 | Ice-preventing insulator for ground wire ice-melting reconstruction |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |