CN206331853U - Composite insulator - Google Patents
Composite insulator Download PDFInfo
- Publication number
- CN206331853U CN206331853U CN201621484906.6U CN201621484906U CN206331853U CN 206331853 U CN206331853 U CN 206331853U CN 201621484906 U CN201621484906 U CN 201621484906U CN 206331853 U CN206331853 U CN 206331853U
- Authority
- CN
- China
- Prior art keywords
- composite insulator
- plug
- metal clip
- gold utensil
- sheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model is related to high voltage and insulation technology field, more particularly to composite insulator.The composite insulator, sheath, some full skirts on the sheath and the gold utensil located at the plug two ends including plug, the parcel plug outer surface, the plug, which is provided with, is used for grounding connection to form the metal clip of differential gap, and each full skirt is distributed in the both sides of the metal clip.Due to being provided with metal clip on the composite insulator sheath, when using, by the way that differential gap will be formed after metal clip and grounding body electrical connection, subway can be efficiently solved or when railway catenary system " V " stops upkeep operation, because of maintainer's electrical shock safety hazard caused by insulator arc-over between power supply zone or insulation breakdown.In addition, going here and there electric problem current domestic metro depot DC1500kV contact net system generally existing power supply zones caused by insulator Leakage Current, can also give preferable solution.
Description
Technical field
The utility model is related to high voltage and insulation technology field, more particularly to composite insulator.
Background technology
The factor influence such as existing composite insulator is contaminated, moist, often occurs insulation flashover or insulation breakdown etc.
Problem.When subway or railway catenary system implementation " V " stop upkeep operation, i.e., a power supply point in two neighboring power supply zone
Qu Wei has a power failure, and another power supply zone has a power failure, when maintainer carries out upkeep operation in power failure subregion, once two power supplies point
Any one interval insulator arc-over or insulation breakdown, may all cause the danger got an electric shock to maintainer.In addition, at present in state
String electricity is asked caused by insulator Leakage Current between interior metro depot DC1500kV contact net systems generally existing power supply zone
Topic, great potential safety hazard is caused to maintainer.
Utility model content
The purpose of this utility model is to provide a kind of composite insulator, it is intended to which subway and railway connect in the prior art for solution
Net-fault system progress " V " stops during upkeep operation, because there is insulation flashover or insulation breakdown, the skill for causing maintainer to get an electric shock
Because insulator Leakage Current causes string electricity between art problem and domestic metro depot DC1500kV contact net system power supply zones
Technical problem.
To achieve the above object, the technical solution of the utility model is：Composite insulator, including plug, the parcel core
On the sheath of rod outer surface, some full skirts on the sheath and the gold utensil located at the plug two ends, the sheath
It is additionally provided with for grounding connection to form the metal clip of differential gap, each full skirt is distributed in the both sides of the metal clip.
Further, the metal clip is to the creep age distance between the gold utensil at the plug two ends and its use occasion
Voltage class be adapted.
Further, the internal diameter of the metal clip is equal with the external diameter of the sheath.
Further, the metal clip includes the first semicircle clamping piece and the second semicircle clamping piece, described first
Semicircle clamping piece and the second semicircle clamping piece detain the both sides in the middle part of the plug axial direction and by fastening respectively
Part is connected.
Further, the plug is respectively provided on two sides with first annular raised and the second convex annular axially adjacent in the middle part of it
Rise, it is described it is first annular it is raised form mounting groove between second annular protrusion, the described first semicircle clamping piece and institute
State the second semicircle clamping piece detain respectively set with the both sides of the mounting groove.
Further, the metal clip is zinc-plated Q235A metal clips.
Further, the gold utensil is monaural gold utensil, ears gold utensil or bulb gold utensil.
Further, the gold utensil is 45# forged steel gold utensils.
Further, the full skirt is silicon rubber umbrella skirt.
Further, the plug is glass fibre plug.
The beneficial effects of the utility model：The composite insulator that the utility model is provided on plug due to being provided with metal
Clip, by forming differential gap after being electrically connected with metal clip and grounding body, can efficiently solve subway or railway contact
When net system " V " stops upkeep operation, because of maintainer's electric shock peace caused by insulator arc-over between power supply zone or insulation breakdown
Full hidden danger.In addition, current domestic metro depot DC1500kV contact net system generally existing power supply zones because of insulator
The electric problem of string, can also give preferable solution caused by Leakage Current.
Brief description of the drawings
The structural representation for the composite insulator that Fig. 1 provides for the utility model embodiment.
The front view of the metal clip for the composite insulator that Fig. 2 provides for the utility model embodiment.
The left view of the metal clip for the composite insulator that Fig. 3 provides for the utility model embodiment.
The right view of the metal clip for the composite insulator that Fig. 4 provides for the utility model embodiment.
Reference includes：
10-plug, 20-sheath, 30-full skirt
The semicircle clamping piece of 40-gold utensil, 50-metal clip 51-the first
52-the second semicircle 53-fastener of clamping piece 60-first annular projection
70-the second 80-mounting groove of annular protrusion.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " length ", " width ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure, are for only for ease of description the utility model and are described with simplified, rather than indicate or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
As shown in figure 1, the composite insulator that the utility model embodiment is provided, including plug 10, the parcel plug 10
The sheath 20 of outer surface, some full skirts 30 on the sheath 20 and the gold utensil 40 located at the two ends of plug 10, institute
State and be additionally provided with sheath 20 for grounding connection to form the metal clip 50 of differential gap, each full skirt 30 is distributed in the gold
Belong to the both sides of clip 50.Wherein, some full skirts 30 can be integrally formed or be molded respectively, then by viscous
The mode of glue sticking is arranged on sheath 20.The composite insulator that the utility model embodiment is provided on plug 10 due to setting
There is metal clip 50, by the way that differential gap will be formed after the grounding connection of metal clip 50, block the reality in by stages Leakage Current path
It is existing, subway can be efficiently solved or when railway catenary system " V " stops upkeep operation, because of insulator arc-over between power supply zone or
Maintainer's electrical shock safety hazard caused by insulation breakdown.In addition, to current domestic metro depot DC1500kV contact nets
Go here and there electric problem between system generally existing power supply zone caused by insulator Leakage Current, preferable solution can be also given, to inspection
Personnel are repaiied there is provided one of security barriers.
Further, the metal clip 50 to the creep age distance between the gold utensil 40 at the two ends of plug 10 makes with it
It is adapted with the voltage class of occasion.Such as, when the composite insulator is used in subway DC1500kV contact net systems, metal
The creep age distance of clip 50 to the gold utensil 40 at the two ends of plug 10 can be designed by not less than 250mm；When the used in composite insulator
When in railway A C25kV contact net systems, metal clip 50 may be designed as to the creep age distance of the gold utensil 40 at the two ends of plug 10
1600mm.Because metal clip 50 to the creep age distance of gold utensil 40 at the two ends of plug 10 of the composite insulator can be according to using
Occasion is designed and adjusted, therefore, the composite insulator strong applicability, easy to utilize.
Further, the internal diameter of the metal clip 50 is equal with the external diameter of the sheath 20.In the present embodiment, by inciting somebody to action
The internal diameter of metal clip 50 is designed as the external diameter equal to sheath 20, on the one hand can improve and connect between metal clip 50 and plug 10
The stability connect, on the other hand can improve the security of transmission line of electricity so that the composite insulator has reliable insulating properties
Energy.
As shown in Figures 2 to 4, further, the metal clip 50 includes the first semicircle clamping piece 51 and the second half
Circular clamping piece 52, the described first semicircle clamping piece 51 and the second semicircle clamping piece 52 are detained located at the plug respectively
Both sides in the middle part of 10 axial directions are simultaneously connected by fastener 53.Wherein, the first semicircle semicircle clamping piece of clamping piece 51 and second
52 can be detachably connected by the realization such as bolt, screw and pin.On the one hand the mode being detachably connected make it that this is combined
Insulator is easy for installation when in use；On the other hand, it is also beneficial to during follow-up maintenance, adjusts the direction of metal clip 50.
Preferably, it is connected by screw bolts between the first semicircle semicircle clamping piece 52 of clamping piece 51 and second.
As shown in figure 1, further, the plug 10 is respectively provided on two sides with first annular projection axially adjacent in the middle part of it
60 and second annular protrusion 70, mounting groove 80, institute are formed between described first annular raised 60 and second annular protrusion 70
State the first semicircle clamping piece 51 and the second semicircle clamping piece 52 is detained set and in the both sides of the mounting groove 80 respectively.This
In embodiment, by set respectively on the axial direction of plug 10 first annular raised 60 and second annular protrusion 70 come formed positioning gold
Belong to the mounting groove 80 of clip 50, on the one hand, this kind of structure design is easily achieved, and is easily installed；On the other hand, this kind of structure design
Also the installation site of metal clip 50 is defined, it is to avoid metal clip 50 is moved axially along plug 10, it is ensured that metal clip 50
To the electrical distance of two ends gold utensil 40.
Further, the metal clip 50 is zinc-plated Q235A metal clips 50.Wherein, Q235A represents that yield point is
235MPa, credit rating is A grades of carbon structural steels.Zinc-plated Q235A refers to the Q235A carbon structural steels by zinc-plated processing.
Because zinc-plated processing can effectively improve the decay resistance and service life of Q235A carbon structural steels so that the present embodiment
The composite insulator of offer is although be in the environment of atmospheric exposure, even more in rugged environment, can still possess excellent
Good performance is without being corroded.Certainly, in the utility model other embodiment, the metal clip 50 can also be resistance to by other
Corrosion metal material is made, not limited to this.
As shown in Figure 1 to Figure 2, further, the gold utensil 40 may be designed as monaural gold utensil 40, ears gold utensil 40 or bulb
Gold utensil 40 etc..Wherein, the gold utensil 40 of the one end of plug 10 can also be set to monaural gold utensil 40, the gold utensil 40 of the other end is set to ears
Gold utensil 40, wherein, the head of the ears gold utensil 40 forms U-lag, during connection, and the head of monaural gold utensil 40 is embedded in into ears gold utensil
In 40 U-lag, and pass through cylinder pin connection.Certainly, in real process, according to real needs other can also be selected to tie
The gold utensil 40 of configuration formula, not limited to this.
Further, the gold utensil 40 is 45# forged steel gold utensil 40.Wherein, 45# forged steel is a kind of carbon constructional quality steel,
It has good mechanical performance, and price is low, source is wide.In the present embodiment, by selecting 45# forged steel gold utensil 40, it is to avoid
Flexural deformation between composite insulator, enhances the reliability connected between gold utensil 40, so as to improve the peace of transmission line of electricity
Quan Xing.
Further, the full skirt 30 is silicon rubber umbrella skirt 30.Because silicon rubber has hydrophobicity performance, therefore, silicon rubber
Full skirt 30 can effectively suppress the leakage current of composite insulator outer surface so that its surface arcing is difficult development, so that
The outside of composite insulator can keep sufficiently high pollution flashover voltage and insulating properties reliably and with long-term.
Preferably, the sheath 20 is high-temperature silicon disulfide rubber sheath 20, and the silicon rubber umbrella skirt 30 is high-temperature vulcanized silicon
Rubber full skirt 30, because high-temperature silicon disulfide rubber has ageing-resistant characteristic, therefore, when the composite insulator is exposed to air
In, when even in some rugged environments, the erosion of external environment condition is also difficult to destroy its sealing effectiveness.
Further, the plug 10 is glass fibre plug 10.Wherein, glass fibre plug 10 mainly rise interior insulation and
Bear the curved of machinery, pressure, the effect of torsion.In addition, the plug 10 can also be the expoxy glass rod iron of a solid construction.Its
In, expoxy glass rod iron is that the glass fibre pultrusion being impregnated with by epoxy resin adhesive liquid is formed.It had been molded in expoxy glass rod iron
Cheng Zhong, epoxy resin adhesive liquid and glass fibre pass through a series of physical chemical change, form epoxy resin-base, i.e. epoxy resin
Solidfied material.Meanwhile, the epoxy resin cured product forms structure and superior performance between epoxy resin adhesive liquid and glass fibre
Glass fibre and epoxide-resin glue are combined into an entirety by boundary layer, the boundary layer so that by the epoxy resin and glass fibers
Tieing up the plug 10 that is made has good mechanical performance, so that it is excellent comprehensive to ensure that composite insulator that the present embodiment is provided has
Performance is closed, service life is high.
It is, with above-described good characteristic, to be able to make it using upper, promote to understand the utility model in summary
The efficiency that does not have in conventional art and with practicality, the product as a great practical value.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent or improvement made within the thought and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. composite insulator, it is characterised in that：Including plug, the sheath of the parcel plug outer surface, on the sheath
Some full skirts and the gold utensil located at the plug two ends, be additionally provided with for grounding connection to form differential gap on the sheath
Metal clip, each full skirt is distributed in the both sides of the metal clip.
2. composite insulator according to claim 1, it is characterised in that：The metal clip to the plug two ends institute
The creep age distance and the voltage class of its use occasion stated between gold utensil are adapted.
3. composite insulator according to claim 1, it is characterised in that：The internal diameter of the metal clip and the sheath
External diameter is equal.
4. composite insulator according to claim 1, it is characterised in that：The metal clip includes the first semicircle clip
Part and the second semicircle clamping piece, the described first semicircle clamping piece and the second semicircle clamping piece are detained located at described respectively
Both sides in the middle part of plug axial direction are simultaneously connected by fastener.
5. composite insulator according to claim 4, it is characterised in that：The plug is axially adjacent to the both sides in the middle part of it point
She You not first annular raised and the second annular protrusion, the first annular raised formation peace between second annular protrusion
Tankage, the described first semicircle clamping piece and the second semicircle clamping piece are detained set and in the both sides of the mounting groove respectively.
6. the composite insulator according to any one of Claims 1 to 5, it is characterised in that：The metal clip is zinc-plated
Q235A metal clips.
7. the composite insulator according to any one of Claims 1 to 5, it is characterised in that：The gold utensil is monaural gold utensil, double
Ear gold utensil or bulb gold utensil.
8. the composite insulator according to any one of Claims 1 to 5, it is characterised in that：The gold utensil is 45# forged steel gold
Tool.
9. the composite insulator according to any one of Claims 1 to 5, it is characterised in that：The full skirt is silicon rubber umbrella skirt.
10. the composite insulator according to any one of Claims 1 to 5, it is characterised in that：The plug is fiber glass core
Rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484906.6U CN206331853U (en) | 2016-12-29 | 2016-12-29 | Composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621484906.6U CN206331853U (en) | 2016-12-29 | 2016-12-29 | Composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331853U true CN206331853U (en) | 2017-07-14 |
Family
ID=59293718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621484906.6U Expired - Fee Related CN206331853U (en) | 2016-12-29 | 2016-12-29 | Composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299231A (en) * | 2019-07-04 | 2019-10-01 | 倪敏跃 | A kind of rod type suspension type composite line insulator |
-
2016
- 2016-12-29 CN CN201621484906.6U patent/CN206331853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299231A (en) * | 2019-07-04 | 2019-10-01 | 倪敏跃 | A kind of rod type suspension type composite line insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20191229 |