CN204792251U - Insulator - Google Patents
Insulator Download PDFInfo
- Publication number
- CN204792251U CN204792251U CN201520512898.0U CN201520512898U CN204792251U CN 204792251 U CN204792251 U CN 204792251U CN 201520512898 U CN201520512898 U CN 201520512898U CN 204792251 U CN204792251 U CN 204792251U
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- Prior art keywords
- insulator
- bite
- wire
- tooth
- electrically connected
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- 239000012212 insulator Substances 0.000 title claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 12
- 239000000565 sealant Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000001467 acupuncture Methods 0.000 abstract 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound 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 abstract 1
- 239000004020 conductor Substances 0.000 description 18
- 238000009413 insulation Methods 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses an insulator, include: insulator, insulator are equipped with the full skirt of predetermineeing the figure, the setting is in the interlock portion of insulator one end, and interlock portion includes and first interlock portion and second interlock portion is equipped with the cavity that holds the wire and pass through between first interlock portion and the second interlock portion, is equipped with electrically conductive puncture tooth on the inner wall of cavity, and electrically conductive puncture tooth pierces through the insulating layer of wire and electric contact wire's sinle silk, high voltage electrode with electrically conductive puncture tooth electrical connection, ground connection link with high voltage electrode electrical connection, lightning arrester with electrically conductive puncture tooth electrical connection. Make insulator collect and support insulator, ground connection link and lightning protection function in an organic whole, made things convenient for the maintainer to articulate the ground wire, guaranteed safety, the circuit of having avoided the thunderbolt to arouse trips and the broken string accident. The insulating layer of convincing the line by patient analysis needn't be shelled to adoption acupuncture technique, has avoided damage and corruption to insulated wire's sinle silk, has guaranteed the operation safety of circuit, makes the construction installation simpler simultaneously.
Description
Technical field
The utility model relates to insulation control field, particularly relates to a kind of insulator.
Background technology
In recent years, the economy of China is in fast development, and the demand of all trades and professions to electricity consumption constantly increases, and also improves constantly the requirement of the quality of power supply.
Urban look requires to have certain greening, and trees bring threat to safe distribution of electric power, and what thus ensure power distribution network runs the most important thing become in power supply enterprise's work completely.Traditional naked aluminum frame hollow wire can not adapt to the power construction of modern city completely, progressively replace by suspended insulated guide wire, insulated conductor alleviates the insoluble line corridor of plain conductor and safety problem.But mount when insulated circuit construction repairing or maintenance temporarily just extremely inconvenient, in addition, suspended insulated guide wire is in operation, and is often struck by lightning and causes the generation of line tripping and line-outage contingency.Under normal circumstances, needing, in the part location of insulated conductor, ground connection link is installed, in order to ensure that line security runs, the insulated conductor of distribution line also will install 1 group of lightning arrester every hundreds of rice.When installing ground connection link and lightning arrester, the core electrical contact of ground connection link and lightning arrester needs and wire, this just needs the insulating barrier destroying wire, the insulating barrier of wire is after breakage, rainwater can be caused to enter wire core and trickle to degree of speeding some place along core, add the weight of wire, rainwater cannot be discharged, also can cause in the winter time in core and freeze, wire affects by temperature, winter wire contraction, degree of speeding becomes tight, cause wire to increase at insulation breakdown place stress, make wire have the possibility of broken string, in core, rainwater also can cause the corrosion of wire core.
Thus, while how realizing being provided with ground connection link and lightning arrester in power distribution network, reducing unnecessary insulated conductor cut, to improve security of distribution network energy, is the current technical issues that need to address of those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of insulator, while can realizing being provided with ground connection link and lightning arrester in power distribution network, reduces unnecessary insulated conductor cut, to improve security of distribution network energy.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of insulator, comprising:
Insulator, described insulator is provided with the full skirt of preset number;
Be arranged on the bite of described insulator one end, described bite comprises the first bite and the second bite, the cavity holding wire and pass through is provided with between described first bite and the second bite, the inwall of described cavity is provided with conduction puncture tooth, and described conduction puncture tooth penetrates the insulating barrier of described wire and the core of wire described in electrical contact;
With the described high-field electrode that tooth is electrically connected that punctures that conducts electricity;
The ground connection link be electrically connected with described high-field electrode;
With the described lightning arrester that tooth is electrically connected that punctures that conducts electricity.
Preferably, the conduction of described high-field electrode and the first bite tooth that punctures is electrically connected, and the conduction of described lightning arrester and the second bite tooth that punctures is electrically connected.
Preferably, described bite also comprises: coordinate with described first bite, controls the torque nut of the paracentesis depth of described conduction puncture tooth.
Preferably, also comprise: be arranged between described torque nut and described first bite, automatically regulate the dish-shaped pad of the paracentesis depth of described conduction puncture tooth.
Preferably, also comprise: be arranged on described cavity inner wall, the sealant of the puncturing hole on sealed guide.
Preferably, also comprise: be arranged on the insulating cover on described high-field electrode.
Preferably, described lightning arrester is arc-preventing metal utensil, described arc-preventing metal utensil is curved, one end of described arc-preventing metal utensil is link electrode, described link electrode and the described tooth that punctures of conducting electricity are electrically connected, the other end of described arc-preventing metal utensil is bucking electrode, and the metal electrode of described bucking electrode and insulator lower end forms discharging gap.
Compared with prior art, technique scheme has the following advantages:
A kind of insulator that the utility model embodiment provides, insulator, ground connection link and lightning arrester are integrated, make insulation subset supporting insulator, ground connection link and lightning protection function in the utility model in one, while the function with insulation property and fixing cord, also possess ground connection link and lightning-arrest function.Owing to have employed conduction puncture tooth, ground connection link can be electrically connected the core of insulated conductor, facilitates maintainer's hanging earthing conductor on ground connection link, ensure that the safety of maintainer; Lightning arrester also can be electrically connected the core of insulated conductor, effectively prevent the generation of line tripping and the line-outage contingency being struck by lightning and causing.Have employed needling technique, need not the insulating barrier of strip off wire, effectively can avoid the destruction of the insulating barrier to line insulation wire, thus the damage avoided the core of insulated conductor and corrosion, ensure that the security of operation of circuit, make construction and installation simpler simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The insulator structure schematic diagram that Fig. 1 provides for the utility model embodiment;
The front view of the insulator that Fig. 2 provides for Fig. 1;
The end view of the insulator that Fig. 3 provides for Fig. 1.
Embodiment
Inventor studies discovery, in mid & low-voltage line in current power distribution network, generally all adopt overhead insulating wire routing, and when overhauling circuit or equipment, in order to ensure the safety of maintainer, need to identify circuit without after electricity, hang short-circuit grounding wire, this just requires that earthing clamp must contact reliably with electric wire when hanging earthing conductor, and insulated wire cannot be hung, so need to adopt electricity testing grounding ring; In addition, because insulated circuit has the lightning withstand level of inadequate natural endowment, being difficult to the effect of bearing direct lightning strike or induced lightening, the built on stilts frame of lightning protection measures is not installed, when being struck by lightning, broken string can occur and porcelain insulator such as to burst at the problem.
Core of the present utility model is to provide a kind of insulator, while can realizing being provided with ground connection link in power distribution network, reduces unnecessary insulated conductor cut, improves the security performance of power distribution network.
In order to enable above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public embodiment.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the insulator structure schematic diagram that Fig. 1 provides for the utility model embodiment; The front view of the insulator that Fig. 2 provides for Fig. 1; The end view of the insulator that Fig. 3 provides for Fig. 1.
A kind of specific embodiment of the present utility model provides a kind of insulator, comprising: insulator 1, and described insulator is provided with the full skirt 11 of preset number; Be arranged on the bite 2 of described insulator one end, described bite 2 comprises the first bite 21 and the second bite 22, the cavity holding wire and pass through is provided with between described first bite 21 and the second bite 22, the inwall of described cavity is provided with conduction puncture tooth 23, and described conduction puncture tooth 23 penetrates the insulating barrier of described wire and the core of wire described in electrical contact; With the described high-field electrode that tooth is electrically connected that punctures that conducts electricity; The ground connection link 3 be electrically connected with described high-field electrode; With the described lightning arrester 4 that tooth is electrically connected that punctures that conducts electricity.
When installing, only the first bite and the second bite need be separated, make wire through the cavity formed the first bite and the second bite, the cavity inner wall formed between first bite and the second bite is provided with some conductions puncture tooth, then the first bite is fastened in the second bite, conduction puncture tooth is made to penetrate the insulating barrier of wire, thus touch core, realize electrical connection, ground connection link is by high-field electrode electrical connection conduction puncture tooth, also the core of wire is just connected electrically to, lightning arrester also just can be connected electrically to the core of wire by conduction puncture tooth.When maintainer needs repair apparatus or circuit, only earthing clamp directly need be connected with ground connection link; When there is thunder-strike phenomenon, lightning arrester can play a good protection to wire, effectively avoids the generation of line tripping and the line-outage contingency caused by being struck by lightning.Due to the insulating barrier adopting conduction puncture tooth to penetrate wire, namely have employed needling technique, need not the insulating barrier of strip off wire, effectively can avoid the destruction of the insulating barrier to line insulation wire, thus the damage avoided the core of insulated conductor and corrosion, ensure that the security of operation of circuit, make construction and installation simpler simultaneously.
It should be noted that, in the present embodiment, preferred conduction puncture tooth makes with red copper, be embedded in during casting in aluminium casting, so both solve the problem of copper aluminium couple corrosion, meet again the requirement of piercing contact conduction, other conduction puncture tooth can certainly be adopted, the present embodiment does not limit this, specifically depends on the circumstances.
On the basis of above-described embodiment, the insulator that the utility model embodiment provides, the conduction of described high-field electrode and the first bite 21 tooth that punctures is electrically connected, and the conduction of described lightning arrester 4 and the second bite 22 tooth that punctures is electrically connected.
In the present embodiment, the first bite and the second bite removably connect, and the conduction of high-field electrode and the first bite tooth that punctures is electrically connected, and namely the conduction of ground connection link and the first bite tooth that punctures is electrically connected.In external expressive form, it is inner that high-field electrode can be arranged on the first bite, then ground connection link and the first bite physical connection.Lightning arrester is then arranged in the second bite.When ground connection link or lightning arrester break down, only need change the part that insulator breaks down, effectively economize on resources.
On the basis of above-described embodiment, the insulator that the utility model embodiment provides, described bite 2 also comprises: coordinate with described first bite 21, controls the torque nut 24 of the paracentesis depth of described conduction puncture tooth 23.
In the present embodiment, second bite is fixedly connected with insulator, a stud perpendicular to the second bite upper surface is respectively arranged with in the both sides of the second bite, wherein, first bite correspondence position is respectively equipped with the through hole that can hold stud and pass, by the through hole of stud through the first bite, namely and between the second bite the first bite forms cavity.The one end deviating from the second bite at every root stud is provided with torque nut, torque nut plays a part to fix the first bite, simultaneously, rotating torque nut also can change the pressure be applied in the first bite, thus realize the object of the paracentesis depth controlling conduction puncture tooth, namely control the puncture dynamics of conduction puncture tooth, ensure that conduction puncture tooth can keep good electrical connection with the core of wire.
On the basis of the present embodiment, preferred insulator also comprises: be arranged between described torque nut and described first bite, automatically regulates the dish-shaped pad of the paracentesis depth of described conduction puncture tooth.
Under normal circumstances, when operating personnel installing insulating and after adjusting torque nut, often can't adjust torque nut again.But due to the impact of the factor such as climate and temperature, the phenomenon that parts in wire and insulator can produce creep and expand with heat and contract with cold, this can make the paracentesis depth of conduction puncture tooth change, and then the core loose contact of ground connection link and wire may be caused, just there will be danger when overhauling.And dish-shaped pad can absorb the energy of a part when mounted, being in operation to regulate tooth to the puncture dynamics of wire automatically, solves the problem of expanding with heat and contract with cold with creep, thus has ensured the reliable electrical contact of core of conduction puncture tooth and wire.
On the basis of above-mentioned any embodiment, the insulator that the utility model embodiment provides, also comprises: be arranged on described cavity inner wall, the sealant of the puncturing hole on sealed guide.
Although the utility model adopts needling technique to be grounded the electrical connection of the core of link and wire, do not need the insulating barrier of strip off wire, but conduction puncture tooth still can cause puncturing hole, a small amount of aqueous vapor still can enter into wire, for this reason, the present embodiment is provided with sealant on cavity inner wall, preferred sealant is oil layer, the conduction puncture tooth rim covered by grease in cavity encloses, then in conduction puncture tooth process that wire is punctured, the grease of insulation slowly will fill up the puncturing hole on the insulating barrier of wire, reach the sealing between wire and the external world, guardwire, the useful life of extension lead.
The insulator that the utility model embodiment provides, also comprises: be arranged on the insulating cover on described high-field electrode.
High-field electrode is furnished with insulating cover, covers high-field electrode after installation and play insulating effect, prevent electric leakage, also can prevent vapour corrosion high-field electrode.
The insulator that the utility model embodiment provides, preferred described lightning arrester is arc-preventing metal utensil, described arc-preventing metal utensil is curved, one end of described arc-preventing metal utensil is link electrode, described link electrode and the described tooth that punctures of conducting electricity are electrically connected, the other end of described arc-preventing metal utensil is bucking electrode, and the metal electrode of described bucking electrode and insulator lower end forms discharging gap.High-field electrode is furnished with insulating cover, covers high-field electrode after installation and play insulating effect, prevent electric leakage, also can prevent vapour corrosion high-field electrode.Form discharging gap between arc-preventing metal utensil and insulator, discharging gap has the effect of the electric current of release atmospheric over-voltage, can play good lightning protection effect, play a good protection to insulated conductor.
In sum, insulator, ground connection link and lightning arrester are integrated, the element making these single is integrated into an element, decreases the element on circuit, reduces circuit cost, makes construction and installation more simple, convenient.Make insulation subset supporting insulator, ground connection link and lightning protection function in the utility model in one simultaneously, while the function with insulation property and fixing cord, also possess ground connection link and lightning-arrest function.Owing to have employed conduction puncture tooth, ground connection link can be electrically connected the core of insulated conductor, facilitates maintainer's hanging earthing conductor on ground connection link, to carry out line maintenance, ensure that the safety of maintainer; Lightning arrester also can be electrically connected the core of insulated conductor, effectively prevent the generation of line tripping and the line-outage contingency being struck by lightning and causing.Have employed needling technique, need not the insulating barrier of strip off wire, effectively can avoid the destruction of the insulating barrier to line insulation wire, thus the damage avoided the core of insulated conductor and corrosion, ensure that the security of operation of circuit, in work progress, decrease the operation peelling off wire insulation simultaneously, shorten the time of installation.The insulator that the utility model provides, has good insulation property and anti-filth and antifog level, is applicable to 10kV overhead power line.
In addition, the setting of torque nut can control the paracentesis depth of conduction puncture tooth; Dish pad is in operation and can automatically regulates tooth to the puncture dynamics of wire, solves the problem of expanding with heat and contract with cold with creep.Thus ensured the reliable electrical contact of core of conduction puncture tooth and wire.
Finally, the setting of sealant can ensure the sealing between wire and the external world, guardwire, the useful life of extension lead.
A kind of insulator is provided to be described in detail to the utility model above.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands core concept of the present utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (7)
1. an insulator, is characterized in that, comprising:
Insulator, described insulator is provided with the full skirt of preset number;
Be arranged on the bite of described insulator one end, described bite comprises the first bite and the second bite, the cavity holding wire and pass through is provided with between described first bite and the second bite, the inwall of described cavity is provided with conduction puncture tooth, and described conduction puncture tooth penetrates the insulating barrier of described wire and the core of wire described in electrical contact;
With the described high-field electrode that tooth is electrically connected that punctures that conducts electricity;
The ground connection link be electrically connected with described high-field electrode;
With the described lightning arrester that tooth is electrically connected that punctures that conducts electricity.
2. insulator according to claim 1, is characterized in that, the conduction of described high-field electrode and the first bite tooth that punctures is electrically connected, and the conduction of described lightning arrester and the second bite tooth that punctures is electrically connected.
3. insulator according to claim 2, is characterized in that, described bite also comprises:
Coordinate with described first bite, control the torque nut of the paracentesis depth of described conduction puncture tooth.
4. insulator according to claim 3, is characterized in that, also comprises:
Be arranged between described torque nut and described first bite, automatically regulate the dish-shaped pad of the paracentesis depth of described conduction puncture tooth.
5. the insulator according to any one of Claims 1-4, is characterized in that, also comprises:
Be arranged on described cavity inner wall, the sealant of the puncturing hole on sealed guide.
6. insulator according to claim 5, is characterized in that, also comprises:
Be arranged on the insulating cover on described high-field electrode.
7. insulator according to claim 6, it is characterized in that, described lightning arrester is arc-preventing metal utensil, described arc-preventing metal utensil is curved, one end of described arc-preventing metal utensil is link electrode, described link electrode and the described tooth that punctures of conducting electricity are electrically connected, and the other end of described arc-preventing metal utensil is bucking electrode, and the metal electrode of described bucking electrode and insulator lower end forms discharging gap.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520512898.0U CN204792251U (en) | 2015-07-15 | 2015-07-15 | Insulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520512898.0U CN204792251U (en) | 2015-07-15 | 2015-07-15 | Insulator |
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CN204792251U true CN204792251U (en) | 2015-11-18 |
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CN201520512898.0U Active CN204792251U (en) | 2015-07-15 | 2015-07-15 | Insulator |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109782121A (en) * | 2019-03-25 | 2019-05-21 | 国家电网有限公司 | A kind of high pressure punctures testing agency and method |
CN114204508A (en) * | 2021-11-19 | 2022-03-18 | 国网浙江义乌市供电有限公司 | Grounding ring device of cable terminal |
-
2015
- 2015-07-15 CN CN201520512898.0U patent/CN204792251U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109782121A (en) * | 2019-03-25 | 2019-05-21 | 国家电网有限公司 | A kind of high pressure punctures testing agency and method |
CN114204508A (en) * | 2021-11-19 | 2022-03-18 | 国网浙江义乌市供电有限公司 | Grounding ring device of cable terminal |
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GR01 | Patent grant |