CN102270529A - Core rod for insulator and manufacturing method thereof as well as composite insulator with core rod - Google Patents
Core rod for insulator and manufacturing method thereof as well as composite insulator with core rod Download PDFInfo
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- CN102270529A CN102270529A CN 201010177493 CN201010177493A CN102270529A CN 102270529 A CN102270529 A CN 102270529A CN 201010177493 CN201010177493 CN 201010177493 CN 201010177493 A CN201010177493 A CN 201010177493A CN 102270529 A CN102270529 A CN 102270529A
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- glass fiber
- insulator
- fiber yarn
- plug
- fiber yarns
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Abstract
The invention provides a composite insulator comprising a core rod for the insulator, a sheath sleeved outside the core rod and an umbrella skirt arranged outside the sheath, wherein the core rod for the insulator comprises a plurality of glass fiber yarns and matrix materials soaked among the plurality of glass fiber yarns; the plurality of glass fiber yarns are connected end to end in the axial direction of the glass fiber yarns; every two adjacent glass fiber yarns along the axial direction of the glass fiber yarns are respectively provided with an overlapping part, wherein the two overlapping parts are overlapped mutually; and the glass fiber yarns of the overlapping parts are adhered by use of mucilage glues. The core rod and the composite insulator with the core rod are adhered to two sections of glass fiber yarns by use of the mucilage glues, thus the mucilage glues play a good role in connection and permeate into the glass fiber yarns completely, thereby solving the problem of high product scrap rate caused by incomplete permeation, improving the product yield, and lowering the cost. The invention also relates to a manufacturing method of the core rod for the composite insulator.
Description
Technical field
The present invention relates to a kind of electrical circuitry equipment equipment, particularly relate to a kind of power industry High-Voltage Electrical Appliances with insulator with plug and manufacture method thereof and composite insulator with this plug.
Background technology
Along with the needs of the development of power industry, particularly extra-high voltage electric transmission and transformation, more and more for the needs of insulator.The high-tension line or the post insulator of common outdoor use are generally porcelain insulator, and be easily broken because porcelain insulator resistant sudden strain of a muscle ability is of poor quality, and need periodic cleaning, brought a lot of inconvenience for installation and use.For addressing this problem, the electrical circuitry equipment industry has been developed the conventional composite insulator.The conventional composite insulator comprises a plug, a sheath that is coated on this plug outside, and at least one is coated on the full skirt in this sheath outside, and the gold utensil that is arranged on described insulated tube two ends.The plug of this composite insulator is by basis material, and the glass fiber yarn that is immersed in this basis material is made.In the pultrude process of the plug of this composite insulator, after one section glass fiber yarn pultrusion is intact, in the time of need connecing next section glass fiber yarn, existing technology is that the mode of employing volume plait connects these two sections glass fiber yarns or adopts the mode of knotting to connect.What can expect is, the glass fiber yarn no matter which kind of mode all can cause solidifying the coupling part soaks into weak effect, particularly compile the mode of plait, can cause not soaking into, thereby can cause this section properties of product to descend, can cause entire product to use when serious, cause waste of material, manufacturing cost rises.
Summary of the invention
In view of this, be necessary to provide the good insulator of a kind of wettability plug and manufacture method thereof, and the composite insulator with this plug.
A kind of insulator plug, it comprises many glass fiber yarns, and is immersed in the basis material between these many glass fiber yarns, these many glass fiber yarns axially join end to end along this glass fiber yarn.Has mutual clinch along the axial two adjacent glass fiber yarns of glass fiber yarn arbitrarily.Mutually bonding between the glass fiber yarn of this clinch with viscose glue.
A kind of insulator manufacture method of plug, it may further comprise the steps:
A) viscose glue that many glass fiber yarns, basis material is provided and is used for bonding this glass fiber yarn;
B) the described basis material of fusion;
C) at least one first glass fiber yarn of dipping, this is impregnated with first glass fiber yarn of basis material the while pultrusion;
D) overlap at least one second glass fiber yarn, and fix with viscose glue at the overlap of this second glass fiber yarn and first glass fiber yarn;
E) flood this second glass fiber yarn, this is impregnated with second glass fiber yarn of basis material pultrusion simultaneously;
F) repeat c to e step to form described insulator plug.
A kind of composite insulator, it comprises an insulator plug, a sheath that is set in this plug outside, and a full skirt that is arranged on the described sheath outside.Described insulator comprises many glass fiber yarns with plug, and is immersed in the basis material between these many glass fiber yarns.These many glass fiber yarns axially join end to end along this glass fiber yarn.Have mutual clinch along the axial two adjacent glass fiber yarns of glass fiber yarn arbitrarily, mutually bonding between the glass fiber yarn of this clinch with viscose glue.
Compared with prior art, the plug that above-mentioned manufacture method is prepared and use the composite insulator of this plug use the bonding two sections glass fiber yarns of viscose glue, so viscose glue also can fully soak into glass fiber yarn when playing good interconnect function.Owing to do not compile plait, or knotting has caused difficult one-tenth to soak into or effect of impregnation may is poor, thereby has reduced the product rejection rate height that causes because dipping is insufficient, improved the qualification rate of product, reduced cost.
Description of drawings
Fig. 1 is the structural representation of a kind of composite insulator provided by the invention.
Fig. 2 is the structural representation of plug of the composite insulator of Fig. 1.
Fig. 3 is the enlarged diagram of the plug of Fig. 2 at the A place.
Fig. 4 is the method flow diagram of the plug of shop drawings 2.
Embodiment
For the present invention being done further explanation, lift a preferred embodiment and conjunction with figs. and be described in detail as follows:
See also Fig. 1, it is the structural representation of a kind of composite insulator 10 provided by the present invention.Described composite insulator 10 comprises that 11, one of plugs are coated on the sheath 12 in these plug 11 outsides, and at least one is arranged on the full skirt 13 of described sheath 12, and at least one is arranged on the gold utensil 14 of described plug 11 1 ends.
See also Fig. 2, Fig. 3, described plug 11 is the fiberglass rod of a solid construction, comprises basis material 111 and is immersed in glass fiber yarn 112 in this basis material 111.Described basis material 111 can be epoxy resin or vinyl ester resin.In the present embodiment, described basis material 111 is an epoxy resin.By the expoxy glass rod iron that this epoxy resin is made, in forming process, epoxy resin adhesive liquid and glass fiber yarn 112 form epoxy resin-base, i.e. epoxy resin cured product through a series of physicochemical change.Simultaneously, this epoxy resin cured product forms the boundary layer of structure and superior performance between epoxy resin adhesive liquid and glass fiber yarn 112, this boundary layer is combined into an integral body to glass fiber yarn 112 and epoxide-resin glue, makes the plug of being made by this epoxy resin and glass fiber yarn 112 11 have favorable mechanical performance and electric property.Described glass fiber yarn 112 can be the uninterrupted organdy of alkali-free, and this glass fiber yarn 112 accounts for 70%～80% of plug 11 total weights, and in the present embodiment, glass fiber yarn 112 accounts for 78% of plug 11 total weights.Described plug 11 adopts pultrude process to make, i.e. in the time of the described not completely crued plug of moulding 11, drawing goes out this not completely crued plug 11, then it is carried out integrally curing.
In order to improve pultrusion efficient, at first can pultrusion go out a long fiberglass rod, and then as required,, this fiberglass rod be cut as length, obtain the plug 11 of certain-length.Glass fiber yarn 112 is owing to reasons such as manufacturing, transportations, its length is sometimes less than the length of fiberglass rod, perhaps in connecting the pultrusion process, in the manufacture process of fiberglass rod, several sections glass fiber yarns 112 need join end to end and couple together, to meet the length of fiberglass rod.Arbitrary axis has mutual clinch 113 along glass fiber yarn between axially to adjacent two in the described several sections glass fiber yarns 112, and mutually bonding with viscose glue between the glass fiber yarn 112 of this clinch 113.The material of described viscose glue can be consistent with the material of basis material 111, also can be inconsistent.In the present embodiment, the material of described viscose glue is consistent with the material of basis material 111, is epoxy resin.
Described sheath 12 and full skirt 13 all are coated on the described plug 11 by the high-temperature silicon disulfide rubber integral injection molding, and wherein sheath 12 is arranged between plug 11 and the full skirt 13.What certainly expect is that described sheath 12 also can be made respectively with full skirt 13, and then combines.Described sheath 12 is coated on the whole plug 11, and has part sheath 12 to be coated on the gold utensil 14.High-temperature silicon disulfide rubber is that the polysiloxane (being rubber) of HMW (molecular weight is generally 40～800,000) adds reinforced filling and other various additives, the employing organic peroxide is a vulcanizing agent, and a kind of rubber of becoming of interlinkage at high temperature, this rubber abbreviates silicon rubber as.The reinforced filling of high-temperature silicon disulfide rubber can be white carbon, and it can make the intensity of vulcanizate increase by ten times.Add various additives and mainly be the cost that reduces glue, improve properties of rubber and give the various properties of vulcanizate such as fire-retardant, conduction etc.In the present embodiment, described high-temperature silicon disulfide rubber includes with the lower part to be formed: methyl vinyl silicone rubber, white carbon, aluminium hydroxide, silicone oil and vulcanizing agent etc., and the shared weight ratio of described each component is: methyl vinyl silicone rubber 20%～50%, white carbon 20～60%, aluminium hydroxide 25～50%, silicone oil 2～5%, vulcanizing agent 1%.
Described full skirt 13 comprises at least one first full skirt 131, second full skirt 132 that at least one and first full skirt 131 are provided with at interval, and at least one is arranged on the 3rd full skirt 133 between first full skirt 131 and second full skirt 132, and the 3rd full skirt 133 also is provided with at interval with first full skirt 131, second full skirt 132.Described first full skirt 131, second full skirt 132 and the 3rd full skirt 133 have different skirts long, for example the skirt of first full skirt 131 is grown up longly in the skirt of the 3rd full skirt 133, and the skirt of second full skirt 132 is grown up long and long less than the skirt of first full skirt 131 in the skirt of the 3rd full skirt 133.Certainly be also contemplated that described full skirt 13 is not limited to include only described first, second, third full skirt 131,132,133, can also comprise more a plurality of skirts little different full skirt of growing up.And the arrangement mode of this first, second, third full skirt 131,132,133 also is not limited to above-mentioned arrangement mode, and other arrangement mode arbitrarily can be arranged.Preferably, the long L of the skirt of described second full skirt 132
2With the long L of the skirt of first full skirt 131
1Ratio be 60%L
1≤ L
2≤ 90%L
1, the long L of the skirt of described the 3rd full skirt 133
3With the long L of the skirt of second full skirt 132
2Ratio be 60%L
2≤ L
3≤ 90%L
2The long proportional control of the skirt of described first, second, third full skirt 131,132,133 helps avoiding the bridge network between the adjacent full skirt under the condition of drenching with rain in certain scope.Be understandable that described composite insulator 10 can comprise a plurality of full skirts 13, also can only have one.When described composite insulator 10 comprised a plurality of full skirt 13, these a plurality of full skirts 13 can be one-body molded, also can distinguish moulding, is bonded in the outside of sheath 12 then by viscose glue.
Described gold utensil 14 can be used for connecting lead or transmission tower as a kind of connector.The selection of described gold utensil 14 is relevant with the purposes of this composite insulator 10, and when this composite insulator 10 was post insulator, described gold utensil 14 can be flange.When this composite insulator 10 is the line insulation period of the day from 11 p.m. to 1 a.m, described gold utensil 14 can be cap nest and pin ball, or other play the metal-ware of linkage function arbitrarily.In the present embodiment, described gold utensil 14 is a pin ball.In view of no matter be cap nest, pin ball, still other, its connected mode with plug 11 and sheath 12 all is the same, so in the present embodiment, is that example illustrates gold utensil 14 and plug 11 and the connected mode of sheath 12 and the structure of this gold utensil 14 with the pin ball.Described gold utensil 14 comprises that a body 141 and one are around these body 141 outer wall settings and the projection 142 that links to each other with these body 141 outer walls.Described sheath 12 is coated on the outer wall of this projection 142 and part body 141.Described body 141 has an inner chamber, is used to patch stationary core rod 11.This inner chamber can have any shape, and as square, circle etc., certainly preferably, the cross section of plug 11 should be consistent with the cross sectional shape of this inner chamber.In the present embodiment, this inner chamber is circular, and its internal diameter size is suitable with the diameter of plug 11, so that plug 11 crimping that will insert in it are fixed.Described projection 142 can be one-body molded with described body 141, also can be fixed on the optional position of the outer wall of described body 141 by welding method.In the present embodiment, described projection 142 and described body 141 are one-body molded, and are arranged at the end of body 141, and described projection 142 is extended the end of this body 141 simultaneously, thereby forms a step 143 at the end of body 141 and the end of this body 141.When injection moulding sheath 12, high-temperature silicon disulfide rubber can be injected in this step 143, also can embed sealing ring 15 in this step 143.When in this step 143, being injected into high-temperature silicon disulfide rubber, help increasing the adhesion of sheath 12 and gold utensil 14, avoid sheath 12 because external force factor strips down from gold utensil 14 and plug 11, can also play the effect of sealing certainly.
See also Fig. 4, be the manufacture method flow chart of the plug 11 of composite insulator 10 provided by the present invention.The manufacture method of the plug 11 of this composite insulator 10 may further comprise the steps:
Step S101: the viscose glue that many glass fiber yarns 112, basis material 111 is provided and is used for bonding this glass fiber yarn;
Step S102: the described basis material 111 of fusion;
Step S103: flood at least one first glass fiber yarn, this is impregnated with first glass fiber yarn of basis material the while pultrusion;
Step S104: at least one second glass fiber yarn of end overlap joint at first glass fiber yarn forms a clinch, and fixes with viscose glue between the glass fiber yarn between this clinch;
Step S105: flood this second glass fiber yarn, this is impregnated with second glass fiber yarn of basis material pultrusion simultaneously;
Step S106: repeating step 103 to step 105 to form described composite insulator 10 usefulness plugs 11.
In described step S101, described basis material 111 is an identical material with viscose glue, is epoxy resin.
Compared with prior art, the plug that above-mentioned manufacture method is prepared and use the composite insulator of this plug use the bonding two sections glass fiber yarns of viscose glue, so viscose glue also can fully soak into glass fiber yarn when playing good interconnect function.Owing to do not compile plait, or knotting has caused difficult one-tenth to soak into or effect of impregnation may is poor, thereby has reduced the product rejection rate height that causes because dipping is insufficient, improved the qualification rate of product, reduced cost.
In addition, those skilled in the art can also do other variation in the spirit of the present invention, as long as it does not depart from technique effect of the present invention, all should be included in the present invention's scope required for protection.
Claims (10)
1. insulator plug, it comprises many glass fiber yarns, and be immersed in basis material between these many glass fiber yarns, these many glass fiber yarns axially join end to end along this glass fiber yarn, it is characterized in that: have mutual clinch along the axial two adjacent glass fiber yarns of glass fiber yarn arbitrarily, mutually bonding between the glass fiber yarn of this clinch with viscose glue.
2. insulator plug as claimed in claim 1 is characterized in that: described basis material and viscose glue are commaterial.
3. insulator plug as claimed in claim 1 is characterized in that: described basis material is an epoxy resin.
4. insulator plug as claimed in claim 1 is characterized in that: described basis material is a vinyl ester resin.
5. insulator plug as claimed in claim 1 is characterized in that: glass fiber yarn is the uninterrupted silvalin of alkali-free.
6. an insulator is with the manufacture method of plug, and it may further comprise the steps:
A) viscose glue that many glass fiber yarns, basis material is provided and is used for bonding this glass fiber yarn;
B) the described basis material of fusion;
C) at least one first glass fiber yarn of dipping, this is impregnated with first glass fiber yarn of basis material the while pultrusion;
D) overlap at least one second glass fiber yarn, and fix with viscose glue at the overlap of this second glass fiber yarn and first glass fiber yarn;
E) flood this second glass fiber yarn, this is impregnated with second glass fiber yarn of basis material pultrusion simultaneously;
F) repeat c to e step to form described insulator plug.
7. the insulator as claimed in claim 6 manufacture method of plug, it is characterized in that: described basis material and viscose glue are commaterial.
8. composite insulator, it comprises an insulator plug, a sheath that is set in this plug outside, and full skirt that is arranged on the described sheath outside, described insulator comprises many glass fiber yarns with plug, and be immersed in basis material between these many glass fiber yarns, these many glass fiber yarns axially join end to end along this glass fiber yarn, it is characterized in that: any two along the part that has mutual overlap joint between the axially adjacent glass fiber yarn of glass fiber yarn, mutually bonding between the part of this overlap joint with viscose glue.
9. composite insulator as claimed in claim 8 is characterized in that: described sheath and full skirt are made by high-temperature silicon disulfide rubber.
10. composite insulator as claimed in claim 8 is characterized in that: described sheath and full skirt are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010177493 CN102270529B (en) | 2010-05-05 | 2010-05-05 | Core rod for insulator and manufacturing method thereof as well as composite insulator with core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010177493 CN102270529B (en) | 2010-05-05 | 2010-05-05 | Core rod for insulator and manufacturing method thereof as well as composite insulator with core rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102270529A true CN102270529A (en) | 2011-12-07 |
| CN102270529B CN102270529B (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010177493 Active CN102270529B (en) | 2010-05-05 | 2010-05-05 | Core rod for insulator and manufacturing method thereof as well as composite insulator with core rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN102270529B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165466A (en) * | 2017-06-09 | 2017-09-15 | 江苏神马电力股份有限公司 | Compound cross-arm and power transmission rod |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11213784A (en) * | 1998-01-21 | 1999-08-06 | Furukawa Electric Co Ltd:The | Composite insulator |
| CN101483089A (en) * | 2009-02-13 | 2009-07-15 | 陕西泰普瑞电工绝缘技术有限公司 | Production process for composite insulator solid core rob |
| CN201812593U (en) * | 2010-05-05 | 2011-04-27 | 南通市神马电力科技有限公司 | Core rod for insulator and composite insulator provided with same |
-
2010
- 2010-05-05 CN CN 201010177493 patent/CN102270529B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11213784A (en) * | 1998-01-21 | 1999-08-06 | Furukawa Electric Co Ltd:The | Composite insulator |
| CN101483089A (en) * | 2009-02-13 | 2009-07-15 | 陕西泰普瑞电工绝缘技术有限公司 | Production process for composite insulator solid core rob |
| CN201812593U (en) * | 2010-05-05 | 2011-04-27 | 南通市神马电力科技有限公司 | Core rod for insulator and composite insulator provided with same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165466A (en) * | 2017-06-09 | 2017-09-15 | 江苏神马电力股份有限公司 | Compound cross-arm and power transmission rod |
| WO2018223829A1 (en) * | 2017-06-09 | 2018-12-13 | 江苏神马电力股份有限公司 | Composite cross-arm and transmission mast |
| AU2018271335B2 (en) * | 2017-06-09 | 2020-07-02 | Jiangsu Shemar Electric Co., Ltd. | Composite cross-arm and transmission mast |
| AU2018271335B9 (en) * | 2017-06-09 | 2020-11-12 | Jiangsu Shemar Electric Co., Ltd. | Composite cross-arm and transmission mast |
| CN112854876A (en) * | 2017-06-09 | 2021-05-28 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission pole |
| US11421437B2 (en) | 2017-06-09 | 2022-08-23 | Jiangsu Shemar Electric Co., Ltd. | Composite crossarm and transmission pole |
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| Publication number | Publication date |
|---|---|
| CN102270529B (en) | 2013-02-27 |
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