CN108461233A - A kind of high-strength composite insulator - Google Patents
A kind of high-strength composite insulator Download PDFInfo
- Publication number
- CN108461233A CN108461233A CN201810329456.0A CN201810329456A CN108461233A CN 108461233 A CN108461233 A CN 108461233A CN 201810329456 A CN201810329456 A CN 201810329456A CN 108461233 A CN108461233 A CN 108461233A
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- CN
- China
- Prior art keywords
- plug
- respectively equipped
- lantern ring
- composite insulator
- screw rod
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
Abstract
The invention discloses a kind of high-strength composite insulator and preparation method thereof, it includes cylindrical mandrel and the full skirt that is located at outside plug；The full skirt is large and small to be alternately distributed；Drip is equipped with below the full skirt；The outside of the plug is equipped with multi-ring annular slot；The centre of the upper and lower ends of the plug is respectively equipped with thread groove, and corresponding upper screw rod and lower screw rod are respectively equipped in thread groove；The lantern ring there are two Relative distribution is set below the lower screw rod；Compact heap is respectively equipped with below the lantern ring, two compact heaps are parallel opposite, and intermediate there are gaps, and fixation is bolted；It is respectively equipped with protrusion in the lantern ring.Structure of the invention is reasonable, mandril strength after improvement greatly improves, and insulation effect reaches requirement, and plug is completely embedded with full skirt, lantern ring is connected firmly with power transmission line, and there are intensity is low and service life shorter technical problem for the composite insulator of the effective solution prior art.
Description
Technical field
The invention belongs to electric power appliance technologies, and in particular to a kind of high-strength composite insulator.
Background technology
Composite insulator is mainly used for steel tower and is connect with high-tension line, and insulator plays two bases in overhead transmission line
This effect supports conducting wire and prevents electric current from returning ground.
Currently, composite insulator is mainly made of parachute skirt and plug, plug has insulation and supporting role；Full skirt has
There are insulation and rain and snow, the two, which combines to reach, uses purpose.But plug in the prior art using fiberglass or
Resin makes, and both ends are connect with high-tension line and steel tower respectively by screw rod.Plug supports transmission line of electricity, and transmission line of electricity is in wind
It can swing back and forth under force effect, cause plug by torsion, over time, plug is easy cracking, and core with screw rod joint
Full skirt on the outside of stick is easy to detach with plug, causes service life shorter.Insulator connect with transmission line of electricity it is insecure, it is defeated
Electric line is easy to slide in the junction button of insulator, uses inconvenient.
Core rod of insulator is usually to be prepared by fiberglass or resin material and obtained, good insulation preformance, corrosion-resistant, but general
Obturator stick is short of in terms of high temperature resistant and mechanical property, once causes brittle failure etc. due to various reasons in circuit operation
Serious accident.The performance for improving plug is also the technical issues that need to address.
Invention content
Present invention aim to address the composite insulator of the prior art, there are intensity is low and the shorter technology of service life
Problem provides a kind of high-strength composite insulator, so as to solve the deficiencies in the prior art.
The present invention also provides a kind of plugs.
To achieve the goals above, the present invention uses following technical scheme：
A kind of high-strength composite insulator and preparation method thereof, it includes cylindrical mandrel and the full skirt that is located at outside plug；Institute
State that full skirt is large and small to be alternately distributed；Drip is equipped with below the full skirt；The outside of the plug is equipped with multi-ring annular slot；Institute
The centre for stating the upper and lower ends of plug is respectively equipped with thread groove, and corresponding upper screw rod and lower screw rod are respectively equipped in thread groove；Institute
State the lantern ring set below lower screw rod there are two Relative distribution；Compact heap, two compact heaps are respectively equipped with below the lantern ring
Parallel opposite, intermediate there are gaps, and fixation is bolted；It is respectively equipped with protrusion in the lantern ring.
Further, the upper surface of described upper screw rod is equipped with U-typed supporting plate；The upper surface of described supporting plate is respectively equipped with connection
Plate；The connecting plate is equipped with the bolt hole being connect with steel tower cross-arm.
Further, multiple protrusions are respectively equipped in the lantern ring, be dislocatedly distributed；The protrusion is casting integrated with lantern ring.
The invention further relates to the improvement to mandrel material, and specifically, the plug is prepared according to following technique：
Step 1）It is 300 mesh or more that attapulgite, which is ground to grain size, then with nano-silicon rubber powder, nanometer silicon carbide according to 2:1:
1 mass ratio is uniformly mixed, and obtains inorganic material-modified dose；
Step 2）Inorganic material-modified dose, acrylic resin, phenolic resin, polyimides and ethyl glutarate are thrown successively
Entering into centrifuge, 2000rpm centrifugal mixers 3 minutes are squeezed into molten condition into double screw extruder after mixing,
Modified resin particles thereof is made in cooling granulation；
Step 3）Phthalic anhydride is added in reaction kettle, stirring is warming up to 80 DEG C, adds maleic anhydride and glass
Glass fiber continues stirring and is warming up to 120 DEG C, keeps the temperature 5min, obtain auxiliary agent；
Step 4）Modified resin particles thereof and auxiliary agent are put into kneader and are kneaded uniformly, sizing material is obtained；Sizing material is sent into again and is squeezed
Go out machine, be squeezed into sizing material by extruder hot-forming in mold cavity, is demoulded after Hot-press cooling, demoulding is placed on 100 DEG C
Keep the temperature 3-5h to get.
Preferably,
The step 2）In, inorganic material-modified dose, acrylic resin, phenolic resin, polyimides and ethyl glutarate
Mass ratio be 20:100:10:7:2.
Preferably,
The step 3）In, phthalic anhydride, maleic anhydride, glass fibre mass ratio be 3:2:2.
Preferably,
The step 4）In, the mass ratio of modified resin particles thereof and auxiliary agent is 5:1.
Compared with prior art, the advantageous effect that the present invention obtains includes but is not limited to mainly the following aspects：
Structure of the invention is reasonable, and the mandril strength after improvement greatly improves, and insulation effect reaches requirement, and plug and umbrella
Skirt is completely embedded, lantern ring is connected firmly with power transmission line, the composite insulator of the effective solution prior art there are intensity it is low and
The shorter technical problem of service life.The present invention also improves mandrel material；Acrylic resin polypropylene density is smaller,
Satisfactory mechanical property, heat resistance is good, and chemical stability is good, but easy to aging, and when low temperature becomes fragile, and low temperature impact strength is poor,
It needs to improve by the way that additive is added；The present invention by add different-grain diameter inorganic modified material, can improve with it is organic
The bond strength of resin can improve mechanical property and high temperature resistance；Polyimide high temperature-resistant can reach 400 DEG C or more, tool
Standby high insulating property, and it is wear-resistant, the performance of resin can be improved；Glass fibre can improve the corrosion resistance of resin material
Energy and mechanical property；The present invention improves impact strength, bending strength and fracture and stretches by being improved to mandrel material
The mechanical properties such as long rate intensity are also equipped with preferable fire resistant performance, have prevented security risk, ensured safety.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that the right side of Fig. 1 regards schematic diagram
Fig. 3 is mounting structure schematic diagram of the present invention.
1, supporting plate 2, upper screw rod 3, full skirt 4, plug 5, drip 6, connecting plate 7, annular groove in figure
8, lower screw rod 9, lantern ring 10, protrusion 11, thread groove 12, bolt 13, compact heap 14, steel tower cross-arm 15, defeated
Electric line.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, in the description of the present invention,
Embodiment described below is a part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
Embodiment 1
According to Fig. 1 and Fig. 2, a kind of high-strength composite insulator and preparation method thereof, it includes cylindrical mandrel 4 and is located at plug
The full skirt 3 of outside；The full skirt is large and small to be alternately distributed；Drip 5 is equipped with below the full skirt；It is set outside the plug
There is multi-ring annular slot 7；The centre of the upper and lower ends of the plug is respectively equipped with thread groove 11, is respectively equipped in thread groove corresponding
Upper screw rod 2 and lower screw rod 8；The lantern ring 7 there are two Relative distribution is set below the lower screw rod；It is set respectively below the lantern ring
There is compact heap 13, two compact heaps are parallel opposite, and intermediate there are gaps, are connected and fixed by bolt 12；In the lantern ring 7 respectively
Equipped with protrusion 10.
One of them is fixedly connected the lantern ring with lower screw rod, another lantern ring is rotatablely connected with lower screw rod by shaft；
It is picked and placeed in lantern ring convenient for circuit.
The upper surface of described upper screw rod 2 is equipped with U-typed supporting plate 1；The upper surface of described supporting plate is respectively equipped with connecting plate 6；Institute
It states connecting plate and is equipped with the bolt hole being connect with steel tower cross-arm 14.
It is set there are two tie point by two pieces of connecting plates between insulator and steel tower cross-arm, the straight line of two tie points composition
Parallel with transmission line of electricity 15, when transmission line of electricity applies pressure to insulator, insulator transfers force to the two of steel tower cross-arm
On a point, it is firmer to reduce local pressure structure.
It is respectively equipped with multiple protrusions in the lantern ring, is dislocatedly distributed；The protrusion is casting integrated with lantern ring.
Structure of the invention is reasonable, and the mandril strength after improvement improves 30% or more, and insulation effect reaches requirement, and
Plug is completely embedded with full skirt, lantern ring is connected firmly with power transmission line, and the composite insulator of the effective solution prior art exists
Intensity is low and the shorter technical problem of service life.
Embodiment 2
A kind of plug for insulator is prepared according to following technique：
It is 300 mesh that attapulgite, which is ground to grain size, then with nano-silicon rubber powder, nanometer silicon carbide according to 2:1:1 mass ratio
It is uniformly mixed, obtains inorganic material-modified dose；
By inorganic material-modified dose, acrylic resin, phenolic resin, polyimides and ethyl glutarate according to 20:100:
10:7:2 mass ratio is put into centrifuge successively, 2000rpm centrifugal mixers 3 minutes, after mixing, is squeezed into twin-screw
Go out machine and be squeezed into molten condition, modified resin particles thereof is made in cooling granulation；
Phthalic anhydride is added in reaction kettle, stirring is warming up to 80 DEG C, adds maleic anhydride and glass fibre,
Continue stirring and be warming up to 120 DEG C, keeps the temperature 5min, obtain auxiliary agent；The phthalic anhydride, maleic anhydride, glass fibre
Mass ratio be 3:2:2；
By modified resin particles thereof and auxiliary agent according to mass ratio 5:1, which puts into mixing in kneader, uniformly, obtains sizing material；Again by sizing material
It is sent into extruder, is squeezed into sizing material by extruder hot-forming in mold cavity, is demoulded after Hot-press cooling, demoulding is placed on
100 DEG C of isothermal holding 5h to get.
Comparative example 1
A kind of plug for insulator is prepared according to following technique：
Acrylic resin, phenolic resin, polyimides and ethyl glutarate are according to 100:10:7:2 mass ratio is thrown successively
Entering into centrifuge, 2000rpm centrifugal mixers 3 minutes are squeezed into molten condition into double screw extruder after mixing,
Modified resin particles thereof is made in cooling granulation；
Phthalic anhydride is added in reaction kettle, stirring is warming up to 80 DEG C, adds maleic anhydride and glass fibre,
Continue stirring and be warming up to 120 DEG C, keeps the temperature 5min, obtain auxiliary agent；The phthalic anhydride, maleic anhydride, glass fibre
Mass ratio be 3:2:2；
By modified resin particles thereof and auxiliary agent according to mass ratio 5:1, which puts into mixing in kneader, uniformly, obtains sizing material；Again by sizing material
It is sent into extruder, is squeezed into sizing material by extruder hot-forming in mold cavity, is demoulded after Hot-press cooling, demoulding is placed on
100 DEG C of isothermal holding 5h to get.
Comparative example 2
A kind of plug for insulator is prepared according to following technique：
It is 300 mesh that attapulgite, which is ground to grain size, then with nano-silicon rubber powder, nanometer silicon carbide according to 2:1:1 mass ratio
It is uniformly mixed, obtains inorganic material-modified dose；
By inorganic material-modified dose, acrylic resin, phenolic resin and ethyl glutarate according to 20:100:10:2 quality
Than putting into centrifuge successively, 2000rpm centrifugal mixers 3 minutes are squeezed into molten after mixing into double screw extruder
Melt state, modified resin particles thereof is made in cooling granulation；
Phthalic anhydride is added in reaction kettle, stirring is warming up to 80 DEG C, adds maleic anhydride and glass fibre,
Continue stirring and be warming up to 120 DEG C, keeps the temperature 5min, obtain auxiliary agent；The phthalic anhydride, maleic anhydride, glass fibre
Mass ratio be 3:2:2；
By modified resin particles thereof and auxiliary agent according to mass ratio 5:1, which puts into mixing in kneader, uniformly, obtains sizing material；Again by sizing material
It is sent into extruder, is squeezed into sizing material by extruder hot-forming in mold cavity, is demoulded after Hot-press cooling, demoulding is placed on
100 DEG C of isothermal holding 5h to get.
Embodiment 3
Plug performance test prepared by the embodiment of the present invention 2 and comparative example 1-2, is specifically shown in Table 1：
Mark 1
| Group | Impact strength KJ/cm- 2 | Bending strength Mpa | Elongation at break % | Oxygen index (OI) % | Heat distortion temperature DEG C |
| Embodiment 2 | 18.1 | 147 | 298 | 33 | 312 |
| Comparative example 1 | 12.3 | 109 | 347 | 21 | 228 |
| Comparative example 2 | 16.7 | 135 | 275 | 30 | 269 |
As shown in Table 1, the mandrel material that prepared by the present invention is by adding a variety of inorganic material and organic material to polypropylene
Resin is modified, and improves the mechanical properties such as impact strength, bending strength, is also equipped with preferable fire resistant performance, Du
Security risk absolutely, has ensured production safety；By comparing discovery, most of performance is significantly better than that comparative example 1-2；Although disconnected
It splits elongation to decrease compared with comparative example 1, but it has fully met the demand of insulator.
Finally, it should also be noted that it is listed above be only the present invention several specific embodiments.Obviously, the present invention is not
It is limited to above example, acceptable there are many deformations.Those skilled in the art can be direct from present disclosure
All deformations for exporting or associating, are considered as protection scope of the present invention.
Claims (7)
1. a kind of high-strength composite insulator, it includes cylindrical mandrel and the full skirt that is located at outside plug；The full skirt is large and small
It is alternately distributed；Drip is equipped with below the full skirt；It is characterized in that the outside of the plug is equipped with multi-ring annular slot；It is described
The centre of the upper and lower ends of plug is respectively equipped with thread groove, and corresponding upper screw rod and lower screw rod are respectively equipped in thread groove；It is described
The lantern ring there are two Relative distribution is set below lower screw rod；Compact heap is respectively equipped with below the lantern ring, two compact heaps are flat
Row is opposite, and intermediate there are gaps, and fixation is bolted；It is respectively equipped with protrusion in the lantern ring.
2. a kind of high-strength composite insulator according to claim 1, it is characterized in that：The upper surface of described upper screw rod is equipped with
U-typed supporting plate；The upper surface of described supporting plate is respectively equipped with connecting plate；The connecting plate is equipped with the bolt being connect with steel tower cross-arm
Hole.
3. a kind of high-strength composite insulator according to claim 1, it is characterized in that：It is respectively equipped in the lantern ring multiple
Protrusion is dislocatedly distributed；The protrusion is casting integrated with lantern ring.
4. a kind of high-strength composite insulator according to claim 1-3, it is characterized in that：The plug is according to following technique
It is prepared：
Step 1）It is 300 mesh or more that attapulgite, which is ground to grain size, then with nano-silicon rubber powder, nanometer silicon carbide according to 2:1:
1 mass ratio is uniformly mixed, and obtains inorganic material-modified dose；
Step 2）Inorganic material-modified dose, acrylic resin, phenolic resin, polyimides and ethyl glutarate are thrown successively
Entering into centrifuge, 2000rpm centrifugal mixers 3 minutes are squeezed into molten condition into double screw extruder after mixing,
Modified resin particles thereof is made in cooling granulation；
Step 3）Phthalic anhydride is added in reaction kettle, stirring is warming up to 80 DEG C, adds maleic anhydride and glass
Glass fiber continues stirring and is warming up to 120 DEG C, keeps the temperature 5min, obtain auxiliary agent；
Step 4）Modified resin particles thereof and auxiliary agent are put into kneader and are kneaded uniformly, sizing material is obtained；Sizing material is sent into again and is squeezed
Go out machine, be squeezed into sizing material by extruder hot-forming in mold cavity, is demoulded after Hot-press cooling, demoulding is placed on 100 DEG C
Keep the temperature 3-5h to get.
5. a kind of high-strength composite insulator according to claim 4, it is characterized in that：The step 2）In, inorganic material
Modifying agent, acrylic resin, phenolic resin, polyimides and ethyl glutarate mass ratio be 20:100:10:7:2.
6. a kind of high-strength composite insulator according to claim 4, it is characterized in that：The step 3）In, O-phthalic
Acid anhydrides, maleic anhydride, glass fibre mass ratio be 3:2:2.
7. a kind of high-strength composite insulator according to claim 4, it is characterized in that：The step 4）In, modified resin
The mass ratio of particle and auxiliary agent is 5:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810329456.0A CN108461233A (en) | 2018-04-13 | 2018-04-13 | A kind of high-strength composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810329456.0A CN108461233A (en) | 2018-04-13 | 2018-04-13 | A kind of high-strength composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108461233A true CN108461233A (en) | 2018-08-28 |
Family
ID=63235456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810329456.0A Pending CN108461233A (en) | 2018-04-13 | 2018-04-13 | A kind of high-strength composite insulator |
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| CN (1) | CN108461233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035469A (en) * | 2019-12-24 | 2021-06-25 | 句容市凯特电力电器有限公司 | Anti-aging insulator and preparation method thereof |
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| CN106373680A (en) * | 2016-08-26 | 2017-02-01 | 索凌电气有限公司 | Suspension insulator applied to overhead circuit and fabrication process of suspension insulator |
| CN107818838A (en) * | 2017-10-23 | 2018-03-20 | 湖北霞光电力设备有限公司 | A kind of intelligent power cable with identity mechanism |
| CN208111201U (en) * | 2018-04-13 | 2018-11-16 | 李秋烨 | A kind of high-strength composite insulator |
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2018
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007098659A1 (en) * | 2006-03-03 | 2007-09-07 | Dongguan Gaoneng Industrial Co., Ltd | A synthetic insulator for an ultrahigh voltage ac transmitting line |
| CN202013784U (en) * | 2011-04-26 | 2011-10-19 | 王洪祥 | Lightning protection insulator |
| CN202217552U (en) * | 2011-04-26 | 2012-05-09 | 安徽省电力公司淮北供电公司 | Low voltage composite strain insulator |
| CN102709005A (en) * | 2012-06-07 | 2012-10-03 | 安徽省电力公司淮北供电公司 | Binding-free insulator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113035469A (en) * | 2019-12-24 | 2021-06-25 | 句容市凯特电力电器有限公司 | Anti-aging insulator and preparation method thereof |
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Address after: State Grid Shanghai Electric Power Company Pudong power supply company Applicant after: Li Qiuye Address before: 200090 School of electrical engineering, Shanghai University of Electric Power, 2588 Changyang Road, Yangpu District, Shanghai Applicant before: Li Qiuye |