CN200944334Y - Column type porcelain insulator of discharging clamp line - Google Patents
Column type porcelain insulator of discharging clamp line Download PDFInfo
- Publication number
- CN200944334Y CN200944334Y CN 200620075696 CN200620075696U CN200944334Y CN 200944334 Y CN200944334 Y CN 200944334Y CN 200620075696 CN200620075696 CN 200620075696 CN 200620075696 U CN200620075696 U CN 200620075696U CN 200944334 Y CN200944334 Y CN 200944334Y
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- Prior art keywords
- insulator
- insulating
- metal wire
- mount pad
- mounting base
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Abstract
The utility model discloses a post porcelain insulator of the discharge clamping circuit, which comprises an insulator proper, an upper mounting base is arranged at the upper end of the insulator proper while a lower mounting base is arranged at the lower end of the insulator proper, a metal wire clamp is arranged on the top of the upper mounting base, the metal wire clamp is internally provided with an insulating wire while the upside of the lower mounting base is provided with an insulating sheath, the bottom of the lower mounting base is fixedly provided with an arcing fitting which is arranged with the insulating wire in a cross manner, an outer cover of the upper mounting base is equipped with a shield, the metal wire clamp is arranged inside the shield, an arc striking opening is arranged at an arc striking end of the arc striking cover corresponding to the shield; the insulating layer is peeled off properly at a certain point on the insulating wire, the metal wire clamp is arranged to bear a power-frequency flow current to prevent the wire from burning, an arc striking discharge gap is arranged, which can prevent the insulator from burning by the power-frequency flow current, the possibility of wire breaking accident resulting from a lightning strike is tremendously reduced; furthermore, the insulating shield is installed to improve the power supply reliability and to prevent the insulating wire core from water access.
Description
Technical field
The utility model relates to a kind of overhead distribution pillar porcelain insulator that is used for, and especially relates to a kind of discharge clamp line pole type porcelain insulator, effectively prevents lightning-caused breaking, guarantees the safe operation of overhead insulating power distribution network.
Background technology
Cause the overhead distribution fault in order to reduce external causes such as trees, birds, accumulated snow, improve power supply reliability.Developed countries has gradually adopted suspended insulated guide wire from the later stage sixties 29th century, and in Japan, overhead distribution is realized insulating substantially.China also implements insulating to city overhead distribution net since the eighties and transforms pilot, paces have been accelerated from the nineties, particularly city net, upgrading of rural power grids engineering adopt the circuit of insulation in a large number in recent years, and our province 10kV distribution overhead transmission line insulating rate reaches more than 70% now.
Insulated conductor has solved a series of unsafe problems that plain conductor exists, and compares with cable, reduced investment, builds soon, and advantage is fairly obvious.But the lightning-caused breaking problem is very outstanding.
At present, the insulated conductor bearing not stripping of insulatin layer that uses in 10kV and the 20kV city overhead power line.Form phase fault after wire insulation is worn by direct lightning strike or indirect lightning strike, power frequency continued flow continues finally to cause insulated conductor to blow by because of puncturing the pin hole passage that forms, thereby causes the insulated conductor accident that goes offline.
Summary of the invention
The utility model purpose is: a kind of discharge clamp line pole type porcelain insulator is provided, this porcelain insulator adopts at the suitable stripping of insulatin layer of insulated wire fixing point, installed the metal wire clamp additional to bear power frequency continued flow, avoid the lead of burning, also be provided with the striking discharging gap, make the power frequency continued flow insulator of not burning, thereby significantly reduced the lightning-caused breaking accident, in addition, insulation protective hood has been installed to improve power supply reliability and to prevent the insulated wire cores water inlet, insulating sleeve has been installed increases the insulator dry arcing distance, to improve the insulator dielectric level.
The technical solution of the utility model is: a kind of discharge clamp line pole type porcelain insulator, comprise insulator body, the upper end of insulator body is fixed with mount pad, the lower end of insulator body is fixed with down mount pad, described top of going up mount pad is provided with the metal wire clamp, be arranged with insulated conductor in the metal wire clamp, the top of following mount pad is provided with insulating sleeve, the bottom of following mount pad is fixed with the striking gold utensil, striking gold utensil and insulated conductor are arranged in a crossed manner, last mount pad is covered with protective cover outward, and the metal wire clamp is positioned at protective cover, and protective cover is provided with the striking mouth corresponding to the position of striking gold cover arc end.
The further technical scheme of the utility model is: a kind of discharge clamp line pole type porcelain insulator, comprise insulator body, the upper end of insulator body is fixed with mount pad, the lower end of insulator body is fixed with down mount pad, described top of going up mount pad is provided with the metal wire clamp, be arranged with insulated conductor in the metal wire clamp, the top of following mount pad is provided with insulating sleeve, the bottom of following mount pad is fixed with the striking gold utensil, striking gold utensil and insulated conductor are arranged in a crossed manner, last mount pad is covered with protective cover outward, and the metal wire clamp is positioned at protective cover, and protective cover is provided with the striking mouth corresponding to the position of striking gold cover arc end; Described insulated conductor is a bare wire in the part that is positioned at the card place of establishing, and bare wire is coated with aluminium armor tape; The intersecting angle of described striking gold utensil and insulated conductor is 90 degree.
The utility model advantage is:
1. the utility model adopts at the suitable stripping of insulatin layer of insulated wire fixing point, has installed the metal wire clamp additional to bear power frequency continued flow, avoids the lead of burning.
2. the utility model is provided with the striking discharging gap, makes the power frequency continued flow insulator of not burning, thereby has significantly reduced the lightning-caused breaking accident.
3. the utility model has been installed insulation protective hood to improve power supply reliability and to prevent the insulated wire cores water inlet.
4. striking gold utensil of the present utility model and insulated conductor intersect 90 degree and are provided with, and protective cover is provided with the striking mouth corresponding to the position of striking gold cover arc end, guide into when the striking gold utensil is set from the striking mouth when power frequency continued flow, have prevented that power frequency continued flow from touching insulated conductor.
5. the utility model has been installed insulating sleeve, to improve the insulator dielectric level.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Wherein: 1 insulator body; Mount pad on 2; 3 times mount pads; 4 metal wire clamps; 5 insulated conductors; 6 striking gold utensils; 7 protective covers; 8 striking mouths; 9 insulating sleeves.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: as shown in Figure 1, a kind of discharge clamp line pole type porcelain insulator, comprise insulator body 1, the upper end of insulator body 1 is fixed with mount pad 2, the lower end of insulator body 1 is fixed with down mount pad 3, the top of last mount pad 2 is provided with metal wire clamp 4, be arranged with insulated conductor 5 in the metal wire clamp 4, insulated conductor 5 is a bare wire in the part that is positioned at the card place of establishing, bare wire is coated with aluminium armor tape, the top of following mount pad 3 is provided with insulating sleeve 9, the bottom of following mount pad 3 is fixed with striking gold utensil 6, and striking gold utensil 6 and insulated conductor 5 intersect 90 degree and be provided with, and last mount pad 2 is covered with protective covers 7 outward, metal wire clamp 4 is positioned at protective cover 7, and protective cover 7 is provided with striking mouth 8 corresponding to the position of striking gold cover 6 arc ends.
Installation method is:
1. at first will be fixed on insulated conductor 5 strip ofves of metal wire clamp 4 parts, and wrap with the metal pool.
2. with after insulated conductor 5 strip ofves and the part of wrapping correctly be installed in the metal wire clamp 4.The pressing plate of metal wire clamp 4 compresses insulated conductor 5 downwards, and on the hex nut of the left and right sides application of force simultaneously, till tightening.
3. above-mentioned installation, tighten after, cover is gone up insulation protective hood 7 again.
4. adjust striking discharging gap (being arc electrode), the striking mouth 8 consistent with arc electrode (on the same straight line) of insulator protective cover 7 makes it the angle with 5 one-tenth 90 ° of insulated conductors simultaneously.
Its action principle is: in advance the insulating barrier integral body of bearing is peelled off before insulated conductor 5 is fixed, with metal pool parcel and by metal wire clamp 4 insulated conductor 5 is fixed after making bearing be the bare wire state, made insulated conductor 5, metal wire clamp 4, insulator body 1 three form the equipotential structure.When circuit was struck by lightning, starting the arc position can be not a striking mouth 8 at insulated conductor 5 places but at equipotential metal-ware place, thereby guaranteed that power frequency arc can not blow insulated conductor 5.Power frequency continued flow is guided into the striking gold utensil 6 that is arranged on down mount pad 3 bottoms by protective cover 7 striking mouths 8 in the process that power frequency continued flow moves, make power frequency continued flow be discharged into the earth, thereby reach the purpose of avoiding blowing insulated conductor 5 and burn insulator by the insulator installing rack.
The utility model adopts at the suitable stripping of insulatin layer of insulated conductor 5 fixing points, install metal wire clamp 4 additional to bear power frequency continued flow, avoided the lead of burning, also be provided with the striking discharging gap, make the power frequency continued flow insulator of not burning, thereby significantly reduced the lightning-caused breaking accident; In addition, insulation protective hood 7 has been installed, insulating sleeve 9 has been installed, to improve the insulator dielectric level to improve power supply reliability and to prevent the insulated wire cores water inlet.
Claims (3)
1. discharge clamp line pole type porcelain insulator, comprise insulator body (1), the upper end of insulator body (1) is fixed with mount pad (2), the lower end of insulator body (1) is fixed with down mount pad (3), it is characterized in that: described top of going up mount pad (2) is provided with metal wire clamp (4), be arranged with insulated conductor (5) in the metal wire clamp (4), the top of following mount pad (3) is provided with insulating sleeve (9), the bottom of following mount pad (3) is fixed with striking gold utensil (6), striking gold utensil (6) is arranged in a crossed manner with insulated conductor (5), the outer protective cover (7) that is covered with of last mount pad (2), metal wire clamp (4) is positioned at protective cover (7), and protective cover (7) is provided with striking mouth (8) corresponding to the position of striking gold utensil (6) arc end.
2. according to the described discharge clamp of claim 1 line pole type porcelain insulator, it is characterized in that: described insulated conductor (5) is a bare wire in the part that is positioned at the card place of establishing, and bare wire is coated with aluminium armor tape.
3. according to the described discharge clamp of claim 1 line pole type porcelain insulator, it is characterized in that: described striking gold utensil (6) is 90 degree with the intersecting angle of insulated conductor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075696 CN200944334Y (en) | 2006-08-23 | 2006-08-23 | Column type porcelain insulator of discharging clamp line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620075696 CN200944334Y (en) | 2006-08-23 | 2006-08-23 | Column type porcelain insulator of discharging clamp line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200944334Y true CN200944334Y (en) | 2007-09-05 |
Family
ID=38718971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620075696 Expired - Lifetime CN200944334Y (en) | 2006-08-23 | 2006-08-23 | Column type porcelain insulator of discharging clamp line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200944334Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531369A (en) * | 2017-01-03 | 2017-03-22 | 国网浙江省电力公司宁波供电公司 | Post insulator |
| CN109449866A (en) * | 2018-11-27 | 2019-03-08 | 国网浙江省电力有限公司绍兴供电公司 | Fitting under fixation voltage limiter discharge path based on narrowband technology of Internet of things |
-
2006
- 2006-08-23 CN CN 200620075696 patent/CN200944334Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531369A (en) * | 2017-01-03 | 2017-03-22 | 国网浙江省电力公司宁波供电公司 | Post insulator |
| CN109449866A (en) * | 2018-11-27 | 2019-03-08 | 国网浙江省电力有限公司绍兴供电公司 | Fitting under fixation voltage limiter discharge path based on narrowband technology of Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070905 |
|
| EXPY | Termination of patent right or utility model |