CN204303477U - Repeat to protect pin insulator - Google Patents
Repeat to protect pin insulator Download PDFInfo
- Publication number
- CN204303477U CN204303477U CN201520010779.5U CN201520010779U CN204303477U CN 204303477 U CN204303477 U CN 204303477U CN 201520010779 U CN201520010779 U CN 201520010779U CN 204303477 U CN204303477 U CN 204303477U
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- Prior art keywords
- insulator
- full skirt
- mounting groove
- porcelain insulator
- porcelain
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Abstract
The one that relates to the utility model repeats to protect pin insulator, mainly comprise porcelain insulator and standing screw, wherein said porcelain insulator is provided with insulation full skirt, the above-mentioned of porcelain insulator is provided with metallic channel, it is characterized in that: in insulation full skirt, porcelain insulator is provided with mounting groove, in above-mentioned mounting groove, be fitted with second protection insulator, second protection insulator comprises cartridge part and secondary full skirt; The lower surface of above-mentioned cartridge part is provided with screwed hole, and in screwed hole, spiral shell loads onto the one end stating standing screw; The excircle of secondary full skirt is provided with annular groove, in groove, be embedded with detection ring.The electric leakage caused after overcoming existing insulating ceramics parts damages and anti-soil dodge the problem of poor performance, enhance the insulation property of pin insulator, avoid the generation of electric shock accidents; Overcome pin insulator fault inquiry difficulty and cause cannot the problem of normal power supply, shorten the fault point investigation time, improve first-aid repair efficiency; Overcome the problem that existing pin insulator built-in type standing screw can not reuse.
Description
Technical field
The utility model belongs to pin insulator technical field used for transmission line, particularly relates to one and repeats to protect pin insulator.
Background technology
Pin insulator is a kind of electric insulation element conventional in electric power system, is usually used in high pressure, low-voltage electricity transmission line, at supervision unit and senior warning setting unit, plays and support and the effect of fixing cord in erection Electric warning fence, existing pin insulator mainly comprises porcelain insulator and standing screw, wherein said porcelain insulator is provided with insulation full skirt, the above-mentioned of porcelain insulator is provided with metallic channel, be fixed with cement gel when reality manufactures and connect, moisture expantion and freezing because of cement gel namely insulate full skirt in sintering procedure and environmental pollution cause dustiness, cause the surface checking of insulation full skirt damaged, space is caused to form leakage current, how easily make the porcelain insulator that polluted in the hydrophily moisture absorption of humidity environment porcelain under high voltage electric field effect, the metal screw be connected and fixed by cement gel by naked, pollution flashover is easily caused to discharge, porcelain insulator is made to lose insulation property, due to the destruction of porcelain insulator, during electric leakage, electric current is wandering to the earth, to touch earth fault point and earth point for round dot radius 20 meters of scope distribution potentials, have personnel touch earth fault point walk out-of-date, distance between bipod, produce potential difference, easy formation step voltage electric shock accidents, after insulator damages, causing cannot normal transmission of electric energy, the normal operation of electrical network cannot be ensured, when looking up the fault point, maintenance personal's looking up the fault point in hundreds and thousands of insulators is very difficult, waste time and energy, thus affect its operating efficiency, cause maintenance cycle longer, interruption duration is longer.Insulator damages the corrosion of set bolt when upgrading, the location, shop in place, and comparing during removing damaged insulator wastes time and energy, even if the set bolt disassembled also will suffer brokenly to change, again cannot utilize, and then cause the waste of resource.
Summary of the invention
The utility model for solve in known technology the technical problem that exists and provide that a kind of structure is simple, easy to install, good insulation preformance repeat protect pin insulator.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is:
One repeats to protect pin insulator, mainly comprise porcelain insulator and standing screw, wherein said porcelain insulator is provided with insulation full skirt, the above-mentioned of porcelain insulator is provided with metallic channel, it is characterized in that: in insulation full skirt, porcelain insulator is provided with mounting groove, the center of described mounting groove is consistent with the center of porcelain insulator, second protection insulator is fitted with by binding agent in above-mentioned mounting groove, described second protection insulator comprises the cartridge part equipped with porcelain insulator, is positioned at the secondary full skirt of bottom; The lower surface of above-mentioned cartridge part is provided with screwed hole, and in screwed hole, spiral shell loads onto the one end stating standing screw; The excircle of described secondary full skirt is provided with annular groove, in groove, be embedded with detection ring.
The utility model can also adopt following technical measures:
The degree of depth of described mounting groove from the bottom of porcelain insulator is 2/3 of whole porcelain insulator height.
Described mounting groove is up-small and down-big pyramidal structure, and the cartridge part of described second protection insulator is mated with mounting groove.
The excircle diameter of described secondary full skirt is greater than circular diameter at the bottom of mounting groove, and the thickness of secondary full skirt is 0.5 ~ 2mm.
The width of the annular groove of described installation and measuring ring is 1 ~ 2mm.
Described secondary full skirt lateral surface is provided with inclination angle, corner oblique angle or round-corner transition.
The advantage that the utility model has and good effect are: because the utility model adopts technique scheme, the electric leakage caused after which overcoming existing insulating ceramics parts damages and anti-soil dodge the problem of poor performance, enhance the insulation property of existing pin insulator, avoid the generation of electric shock accidents; Overcome existing pin insulator fault inquiry difficulty and cause cannot the problem of normal power supply, and shorten the fault point investigation time, improve first-aid repair efficiency; Overcome the problem that existing pin insulator built-in type standing screw can not reuse.
In addition; second protection insulator adopts high ambroin through the disposable injection molded of high temperature; improve its insulation property; the bottom of secondary insulating body is provided with after secondary full skirt further prevents the insulation full skirt of porcelain insulator from damaging; conductor is formed because moist and pollutant enter in gap or space; electric current is connected with metal standing screw by interstitial gap conductor; cause electric leakage anti-electric; when leakage current and pollution flashover electric current are by detection ring; leakage current and pollution flashover electric current can be blocked instantaneously, ensured the normal power supply of circuit and the normal operation of electrical network.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is A-A cutaway view in Fig. 2;
Fig. 4 is the utility model stereogram.
In figure: 1, porcelain insulator; 1-1, insulation full skirt; 1-2, metallic channel; 1-3, mounting groove; 2, standing screw; 3, second protection insulator; 3-1, cartridge part; 3-2, secondary full skirt; 3-3, screwed hole; 3-4, annular groove; 3-5, detection ring.
Embodiment
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1 to Fig. 4, one repeats to protect pin insulator, mainly comprise porcelain insulator 1 and standing screw 2, wherein said porcelain insulator is provided with insulation full skirt 1-1, the above-mentioned of porcelain insulator is provided with metallic channel 1-2, in insulation full skirt, porcelain insulator is provided with mounting groove 1-3, the center of described mounting groove is consistent with the center of porcelain insulator, second protection insulator 3 is fitted with by binding agent in above-mentioned mounting groove, described second protection insulator comprises the cartridge part 3-1 equipped with porcelain insulator, is positioned at the secondary full skirt 3-2 of bottom; The lower surface of above-mentioned cartridge part is provided with screwed hole 3-3, and in screwed hole, spiral shell loads onto the one end stating standing screw 2; The excircle of described secondary full skirt is provided with annular groove 3-4, is embedded with detection ring 3-5 in groove.
In order to ensure support strength, described mounting groove has from the degree of depth of the bottom of porcelain insulator elects 2/3 of whole porcelain insulator height as.
In order to ensure the stability that is equipped with and fastness, described mounting groove is up-small and down-big pyramidal structure, and the cartridge part of described second protection insulator is mated with mounting groove.
In said structure, the excircle diameter of described secondary full skirt is elected as and is greater than circular diameter at the bottom of mounting groove, serves position-limiting action like this, improves insulation property simultaneously, and the thickness of secondary full skirt is 0.5 ~ 2mm.
The width of the annular groove of described installation and measuring ring is 1 ~ 2mm.Produce glow discharge when leakage current occurs and when pollution flashover discharges and produce joule high temperature, make detection ring aluminium tinfoil paper instantaneously by the quick-break of joule high temperature, block leakage current and pollution flashover electric current, just damaged location can be found fast by Visual Observations Observations detection ring, shorten the time of fault inquiry, improve maintenance efficiency.
In order to, described secondary full skirt lateral surface is provided with inclination angle, corner oblique angle or round-corner transition.Its main purpose is to prevent from drenching with rain with humidity when insulating full skirt damage, forms globule whereabouts, stop rainwater and the moist anti-electric electrical leakage problems of bridge joint through interstitial gap to secondary insulating body secondary full skirt, improves the performance of waterproof, protection against the tide, anti-soil sudden strain of a muscle electric discharge.
Adopt technique scheme, the electric leakage caused after which overcoming existing insulating ceramics parts damages and anti-soil dodge the problem of poor performance, enhance the insulation property of existing pin insulator, avoid the generation of electric shock accidents; Overcome existing pin insulator fault inquiry difficulty and cause cannot the problem of normal power supply, and shorten the fault point investigation time, improve first-aid repair efficiency; Overcome the problem that existing pin insulator built-in type standing screw can not reuse.
In addition; second protection insulator adopts high ambroin through the disposable injection molded of high temperature; improve its insulation property; the bottom of secondary insulating body is provided with after secondary full skirt further prevents the insulation full skirt of porcelain insulator from damaging; conductor is formed because moist and pollutant enter in gap or space; electric current is connected with metal standing screw by interstitial gap conductor; cause electric leakage anti-electric; when leakage current and pollution flashover electric current are by detection ring; leakage current and pollution flashover electric current can be blocked instantaneously, ensured the normal power supply of circuit and the normal operation of electrical network.
The above is only to preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (6)
1. one kind is repeated to protect pin insulator, mainly comprise porcelain insulator and standing screw, wherein said porcelain insulator is provided with insulation full skirt, the above-mentioned of porcelain insulator is provided with metallic channel, it is characterized in that: in insulation full skirt, porcelain insulator is provided with mounting groove, the center of described mounting groove is consistent with the center of porcelain insulator, second protection insulator is fitted with by binding agent in above-mentioned mounting groove, described second protection insulator comprises the cartridge part equipped with porcelain insulator, is positioned at the secondary full skirt of bottom; The lower surface of above-mentioned cartridge part is provided with screwed hole, and in screwed hole, spiral shell loads onto the one end stating standing screw; The excircle of described secondary full skirt is provided with annular groove, in groove, be embedded with detection ring.
2. according to claim 1 repetition protects pin insulator, it is characterized in that: the degree of depth of described mounting groove from the bottom of porcelain insulator is 2/3 of whole porcelain insulator height.
3. according to claim 1 repetition protects pin insulator, and it is characterized in that: described mounting groove is up-small and down-big pyramidal structure, the cartridge part of described second protection insulator is mated with mounting groove.
4. according to claim 3 repetition protects pin insulator, and it is characterized in that: the excircle diameter of described secondary full skirt is greater than circular diameter at the bottom of mounting groove, the thickness of secondary full skirt is 0.5 ~ 2mm.
5. according to claim 1 repetition protects pin insulator, it is characterized in that: the width of the annular groove of described installation and measuring ring is 1 ~ 2mm.
6. according to claim 1 repetition protects pin insulator, it is characterized in that: described secondary full skirt lateral surface is provided with inclination angle, corner oblique angle or round-corner transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010779.5U CN204303477U (en) | 2015-01-08 | 2015-01-08 | Repeat to protect pin insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520010779.5U CN204303477U (en) | 2015-01-08 | 2015-01-08 | Repeat to protect pin insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303477U true CN204303477U (en) | 2015-04-29 |
Family
ID=53108999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520010779.5U Expired - Fee Related CN204303477U (en) | 2015-01-08 | 2015-01-08 | Repeat to protect pin insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204303477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097149A (en) * | 2015-09-17 | 2015-11-25 | 萍乡市长岭电瓷制造有限公司 | Pin-type porcelain insulator for line |
-
2015
- 2015-01-08 CN CN201520010779.5U patent/CN204303477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097149A (en) * | 2015-09-17 | 2015-11-25 | 萍乡市长岭电瓷制造有限公司 | Pin-type porcelain insulator for line |
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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: 20150429 Termination date: 20170108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |