CN103021590B - Engineering plastics insulator and manufacture method thereof - Google Patents
Engineering plastics insulator and manufacture method thereof Download PDFInfo
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- CN103021590B CN103021590B CN201210560746.9A CN201210560746A CN103021590B CN 103021590 B CN103021590 B CN 103021590B CN 201210560746 A CN201210560746 A CN 201210560746A CN 103021590 B CN103021590 B CN 103021590B
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Abstract
Engineering plastics insulator and manufacture method thereof, relate to a kind of insulator.Engineering plastics insulator establishes fastening metal nuts, polybutylene terephthalate (PBT) insulating part and lower fastening metal nut, upper fastening metal nuts is injection-moulded in position, polybutylene terephthalate (PBT) insulating part upper surface, and lower fastening metal nut is injection-moulded in position, polybutylene terephthalate (PBT) insulating part lower surface; Polybutylene terephthalate (PBT) insulating part top and bottom establish at least 3 muscle positions respectively.In polybutylene terephthalate (PBT), add glass fibre, fire proofing and toner, be deployed into insulating part sill; Upper fastening metal nuts and lower fastening metal nut are fixed in mould; By insulating part sill by after injection molding machine heating and melting, upper and lower fastening metal nut is injection-moulded in inside mould together, after cooling forming, obtains engineering plastics insulator.There is former epoxy resin insulator performance, environmental protection, recoverable, be beneficial to economize on resources, lightweight, productivity effect is high.
Description
Technical field
The present invention relates to a kind of be mainly used in support overhead transmission line conductor and make it insulate insulator, especially relate to a kind of engineering plastics insulator and manufacture method thereof.
Background technology
Insulator be a kind of be mainly used in support overhead transmission line conductor and make it insulate device, existing insulator is generally made up of epoxy resin and metal-ware, its shortcoming mainly epoxide resin material not environmentally, not recoverable, is unfavorable for economizing on resources; And Heavy Weight, productivity effect is low.
Chinese patent CN102543325A discloses a kind of preparation method of insulator, comprises the following steps: glass fiber bundle is made the three-dimensional skeleton of closing with insulator matching form by a., and surface is glass fabric, saturated ring epoxy resins; B., in time starting to solidify, insulator mold put into by the resin smeared containing ceramic powder or glass dust at surface uniform; D. heat sizing, curing and demolding, makes insulator.The insulator of the integral type that this invention is made, eliminates the operation be sleeved on successively one by one by full skirt on core rod of insulator, saves manpower, and with the insulator that this technique is made, conduct oneself with dignity little, electric property and better mechanical property.Be no matter the hollow insulator or solid core insulator made by this technique, all there is good electric property and mechanical performance, and own wt be lighter.Be applicable to the use of outdoor high-voltage transmission line.
Chinese patent CN102214507A discloses a kind of composite hollow insulator, and it comprises an insulating cylinder, a sheath be coated on outside this insulating cylinder, and at least one is arranged on the full skirt outside described sheath, and two flanges being arranged on described insulating cylinder two ends.Described insulating cylinder is a pultrusion winding pipe, and this pultrusion winding pipe comprises many glass fiber yarns, and the acute angle between this many glass fiber yarns and axis of described insulated tube is more than or equal to 0 degree and is less than or equal to 90 degree.The insulated tube of this composite hollow insulator adopts pultrusion winding pipe, this pultrusion winding pipe had both comprised pultruded structural layer, comprise winding layer again, make pultruded structural layer can provide axial mechanical strength needed for insulated tube, and winding layer can increase the transverse strength of insulated tube, the size of process allowance can be reduced, reduce the cutting of length direction, thus decrease the waste of material.Meanwhile, the wall thickness of insulated tube can be reduced, and then further reduce the waste of material, reduce manufacturing cost.
Chinese patent CN101894638A discloses a kind of high voltage generating station, electrical network and electrification railway contact net composite rod insulator, containing upper, lower metal flange and insulator body, described insulator body two ends are respectively by adhesive material and upper, lower metal flange is connected, described insulator body comprises body insulation and inner core insulator, body insulation adopts high tension insulator material integral production shaping, inner core insulator coupling is arranged in casing insulation intracoelomic cavity, described inner core insulator adopts organic insulating material to make, combined closely by insulating cement solidification and body insulation internal chamber wall, form the insulator body of solid state.
The open one of Chinese patent CN101807458A is applicable to the epoxy glass fiber lining porcelain composite hollow insulator for high-voltage electrical appliances of 35 ~ 1000kV electric pressure.It comprises insulator, upper flange, sealing ring, bonding agent, cement glue and the lower flange of being with full skirt, it is characterized in that insulator is by the porcelain piece of band full skirt and forms with the hollow lining of epoxy resin fiberglass that its coaxial line is installed, namely the two ends of this porcelain piece and lining are placed in upper and lower flange respectively, make upper and lower method be connected fastening with the insulator of band full skirt by bonding agent and cement glue; Annular chamber is formed between this porcelain piece and lining, insulating packing is provided with in this annular chamber, this invention is that the carrying out of the advantage of hollow insulator in conjunction with existing bi-material pattern combines, improve the safety and reliability of all kinds of high-voltage electrical equipment and external insulation operation thereof, particularly being applied in inner filling above the gas isolated long-term pressure-bearing power equipment of SF6, is to high pressure external insulation structure and material and the important breakthrough to power system security reliability service.
Chinese patent CN101546639 provides a kind of method for manufacturing silicon rubber compound insulator, comprises the steps: that gold utensil is zinc-plated: distinguish zinc-plated by upper end gold utensil and lower end gold utensil; Epoxy glass fiber silk plug is polished; Zinc-plated gold utensil crimps with epoxy glass fiber silk plug: the zinc-plated gold utensil after crimping and epoxy glass fiber silk plug are put in drying baker carry out drying, preheating; Epoxy glass fiber silk mandrel surface even application coupling agent after preheat; The epoxy glass fiber silk plug and silicon rubber that are coated with coupling agent are put into mold cavity and carries out mold pressing; Mold pressing finished product is put into high-temperature cabinet and carries out post-cure; Be up to the standards and get product.
Summary of the invention
The object of the invention is to for existing insulator above shortcomings, there is provided and not only there is former epoxy resin insulator performance, and there is environmental protection, recoverable, be beneficial to economize on resources, lightweight, productivity effect is high, be mainly used in support overhead transmission line conductor and make it insulate a kind of engineering plastics insulator and manufacture method.
Described engineering plastics insulator is provided with fastening metal nuts, polybutylene terephthalate (PBT) (PBT) insulating part and lower fastening metal nut, described fastening metal nuts is injection-moulded in position, polybutylene terephthalate (PBT) (PBT) insulating part upper surface, and described lower fastening metal nut is injection-moulded in position, polybutylene terephthalate (PBT) (PBT) insulating part lower surface.
Described polybutylene terephthalate (PBT) (PBT) insulating part upper end is provided with at least 3 muscle positions, described polybutylene terephthalate (PBT) (PBT) insulating part lower end is provided with at least 3 muscle positions, described polybutylene terephthalate (PBT) (PBT) insulating part upper end is preferably provided with 3 ~ 12 muscle positions, and described polybutylene terephthalate (PBT) (PBT) insulating part lower end is preferably provided with 3 ~ 12 muscle positions.
The thickness of described muscle position can be 1.5 ~ 4mm, and the overall wall thickness of glue position can be 2 ~ 8mm.
The top of described polybutylene terephthalate (PBT) (PBT) insulating part can be provided with at least 3 joint hoppers, and the bottom of described polybutylene terephthalate (PBT) (PBT) insulating part can be provided with at least 3 joint hoppers.
The top of described polybutylene terephthalate (PBT) (PBT) insulating part is preferably provided with 4 ~ 12 joint hoppers, and the bottom of described polybutylene terephthalate (PBT) (PBT) insulating part is preferably provided with 4 ~ 12 joint hoppers.
The middle part of described polybutylene terephthalate (PBT) (PBT) insulating part can be provided with intermediate function hole, for assembling the spare and accessory parts of needs.
The manufacture method of described engineering plastics insulator comprises the following steps:
1) in polybutylene terephthalate (PBT) (PBT), add glass fibre, fire proofing and toner, be deployed into insulating part sill;
2) upper fastening metal nuts and lower fastening metal nut are fixed in mould;
3) upper fastening metal nuts and lower fastening metal nut, by after injection molding machine heating and melting, are injection-moulded in inside mould by insulating part sill together that step 1) obtained, obtain engineering plastics insulator after cooling forming.
In step 1), the mass percent of described polybutylene terephthalate (PBT) (PBT), glass fibre, fire proofing and toner can be: glass fibre 20% ~ 40%; Fire proofing 10% ~ 20%; Toner 0 ~ 3%; Surplus is polybutylene terephthalate (PBT) (PBT); Described fire proofing can adopt phenol and antimonous oxide etc., and described toner can adopt PBT substrate black masterbatch etc.
Outstanding advantages of the present invention is: environmental protection, recoverable; Lightweight; High efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view of the embodiment of the present invention.
Fig. 2 is the half section structural representation of Fig. 1.
Fig. 3 is the perspective cross-sectional structural representation of Fig. 1.
In figs. 1 to 3, be respectively labeled as: 1, upper fastening metal nuts; 2, insulating part; 3, lower fastening metal nut; 4, muscle position; 5, hopper is saved; 6, intermediate function hole.
Embodiment
Embodiment will the present invention is further illustrated by reference to the accompanying drawings below.
See Fig. 1 ~ 3, described work insulator made from plastic embodiment is provided with fastening metal nuts 1, polybutylene terephthalate (PBT) insulating part 2 and lower fastening metal nut 3, described fastening metal nuts 1 is injection-moulded in position, polybutylene terephthalate (PBT) insulating part 2 upper surface, and described lower fastening metal nut 3 is injection-moulded in position, polybutylene terephthalate (PBT) insulating part 2 lower surface.Described polybutylene terephthalate (PBT) insulating part 2 upper end is provided with 8 muscle positions 4, described polybutylene terephthalate (PBT) insulating part 2 lower end is provided with 8 muscle positions (not drawing in the drawings), the thickness d 1 of described muscle position can be 1.5 ~ 4mm, and the overall wall thickness d2 of glue position can be 2 ~ 8mm.The top of described polybutylene terephthalate (PBT) insulating part 2 is preferably provided with 4 ~ 12 joint hoppers, and the bottom of described polybutylene terephthalate (PBT) insulating part 2 is preferably provided with 4 ~ 12 joint hoppers.The middle part of described polybutylene terephthalate (PBT) insulating part 2 can be provided with intermediate function hole 6, for assembling the spare and accessory parts of needs.
Below provide the specific embodiment of the manufacture method of described engineering plastics insulator:
Embodiment 1:
1) in polybutylene terephthalate (PBT) (PBT), add glass fibre, fire proofing and toner, be deployed into insulating part sill; The mass percent of described polybutylene terephthalate (PBT) (PBT), glass fibre, fire proofing and toner is: glass fibre 20%; Fire proofing 10%; Toner 0%; Polybutylene terephthalate (PBT) 70%; Described fire proofing can adopt phenol and antimonous oxide etc., and described toner can adopt PBT substrate black masterbatch etc.
2) upper fastening metal nuts and lower fastening metal nut are fixed in mould;
3) upper fastening metal nuts and lower fastening metal nut, by after injection molding machine heating and melting, are injection-moulded in inside mould by insulating part sill together that step 1) obtained, obtain engineering plastics insulator after cooling forming.
Embodiment 2:
Similar to Example 1, its difference is that the mass percent of described polybutylene terephthalate (PBT) (PBT), glass fibre, fire proofing and toner is: glass fibre 25%; Fire proofing 20%; Toner 1%; Polybutylene terephthalate (PBT) 54%.
Embodiment 3:
Similar to Example 1, its difference is that the mass percent of described polybutylene terephthalate (PBT) (PBT), glass fibre, fire proofing and toner is: glass fibre 30%; Fire proofing 15%; Toner 3%; Polybutylene terephthalate (PBT) 52%.
Embodiment 4:
Similar to Example 1, its difference is that the mass percent of described polybutylene terephthalate (PBT) (PBT), glass fibre, fire proofing and toner is: glass fibre 35%; Fire proofing 20%; Toner 2%; Polybutylene terephthalate (PBT) 43%.
Embodiment 5:
Similar to Example 1, its difference is that the mass percent of described polybutylene terephthalate (PBT) (PBT), glass fibre, fire proofing and toner is: glass fibre 40%; Fire proofing 12%; Toner 2%; Polybutylene terephthalate (PBT) 46%.
Embodiment 6:
Similar to Example 1, its difference is that the mass percent of described polybutylene terephthalate (PBT) (PBT), glass fibre, fire proofing and toner is: glass fibre 20%; Fire proofing 18%; Toner 1%; Polybutylene terephthalate (PBT) 61%.
Table 1
The every experimental test numerical value of insulator is see table 1.
Claims (3)
1. engineering plastics insulator, it is characterized in that being provided with fastening metal nuts, polybutylene terephthalate (PBT) insulating part and lower fastening metal nut, described fastening metal nuts is injection-moulded in position, polybutylene terephthalate (PBT) insulating part upper surface, and described lower fastening metal nut is injection-moulded in position, polybutylene terephthalate (PBT) insulating part lower surface;
Described polybutylene terephthalate (PBT) insulating part upper end is provided with 3 ~ 12 muscle positions, and described polybutylene terephthalate (PBT) insulating part lower end is provided with 3 ~ 12 muscle positions;
The thickness of described muscle position is 1.5 ~ 4mm, and the overall wall thickness of glue position is 2 ~ 8mm;
The top of described polybutylene terephthalate (PBT) insulating part is provided with at least 3 joint hoppers, and the bottom of described polybutylene terephthalate (PBT) insulating part is provided with at least 3 joint hoppers;
The middle part of described polybutylene terephthalate (PBT) insulating part is provided with intermediate function hole, for assembling the spare and accessory parts of needs.
2. engineering plastics insulator as claimed in claim 1, is characterized in that the top of described polybutylene terephthalate (PBT) insulating part is provided with 4 ~ 12 joint hoppers, and the bottom of described polybutylene terephthalate (PBT) insulating part is provided with 4 ~ 12 joint hoppers.
3. the manufacture method of engineering plastics insulator as claimed in claim 1, is characterized in that comprising the following steps:
1) in polybutylene terephthalate (PBT), add glass fibre, fire proofing and toner, be deployed into insulating part sill; The mass percent of described polybutylene terephthalate (PBT), glass fibre, fire proofing and toner is: glass fibre 20% ~ 40%; Fire proofing 10% ~ 20%; Toner 0 ~ 3%; Surplus is polybutylene terephthalate (PBT); Described fire proofing adopts phenol and antimonous oxide; Described toner adopts PBT substrate black masterbatch;
2) upper fastening metal nuts and lower fastening metal nut are fixed in mould;
3) by step 1) the insulating part sill that obtains by after injection molding machine heating and melting, upper fastening metal nuts and lower fastening metal nut are injection-moulded in inside mould together, after cooling forming engineering plastics insulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210560746.9A CN103021590B (en) | 2012-12-20 | 2012-12-20 | Engineering plastics insulator and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210560746.9A CN103021590B (en) | 2012-12-20 | 2012-12-20 | Engineering plastics insulator and manufacture method thereof |
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| Publication Number | Publication Date |
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| CN103021590A CN103021590A (en) | 2013-04-03 |
| CN103021590B true CN103021590B (en) | 2015-09-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108320870A (en) * | 2018-02-01 | 2018-07-24 | 清华大学 | A kind of support insulator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687803Y (en) * | 2004-03-25 | 2005-03-23 | 周建华 | Conducting wire insulator |
| CN201138589Y (en) * | 2007-12-13 | 2008-10-22 | 中铁电气化局集团宝鸡器材厂 | Rigidly suspending combined insulator |
| CN201829259U (en) * | 2010-10-26 | 2011-05-11 | 中铁电气化局集团宝鸡器材有限公司 | Insulator for contract rail insulating and supporting system of urban railway system |
| CN201886842U (en) * | 2010-12-02 | 2011-06-29 | 天水长城开关厂有限公司 | Large-creepage supporting insulator |
| CN102612540A (en) * | 2009-11-10 | 2012-07-25 | 胜技高分子株式会社 | Polybutylene terephthalate resin composition |
| CN202976928U (en) * | 2012-12-20 | 2013-06-05 | 广东白石实业有限公司 | Engineering plastic insulator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816049A (en) * | 2007-10-03 | 2010-08-25 | Abb研究有限公司 | Electrical insulation system with improved electrical breakdown strength |
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- 2012-12-20 CN CN201210560746.9A patent/CN103021590B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687803Y (en) * | 2004-03-25 | 2005-03-23 | 周建华 | Conducting wire insulator |
| CN201138589Y (en) * | 2007-12-13 | 2008-10-22 | 中铁电气化局集团宝鸡器材厂 | Rigidly suspending combined insulator |
| CN102612540A (en) * | 2009-11-10 | 2012-07-25 | 胜技高分子株式会社 | Polybutylene terephthalate resin composition |
| CN201829259U (en) * | 2010-10-26 | 2011-05-11 | 中铁电气化局集团宝鸡器材有限公司 | Insulator for contract rail insulating and supporting system of urban railway system |
| CN201886842U (en) * | 2010-12-02 | 2011-06-29 | 天水长城开关厂有限公司 | Large-creepage supporting insulator |
| CN202976928U (en) * | 2012-12-20 | 2013-06-05 | 广东白石实业有限公司 | Engineering plastic insulator |
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Owner name: GUANGDONG BAISHI INDUSTRY CO., LTD. Free format text: FORMER OWNER: JIEDONG BAISHI PLASTIC FACTORY Effective date: 20130428 |
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Effective date of registration: 20130428 Address after: 515500, Chaoyang Road, block 25, Jiedong Economic Development Zone, Jieyang, Guangdong Applicant after: Guangdong Baishi Industrial Co., Ltd. Address before: 515500, Chaoyang Road, Jiedong Economic Development Zone, Guangdong, Jieyang Applicant before: Jiedong White Stone Plastic Factory |
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