CN209785661U - Composite disc insulator with new structure - Google Patents
Composite disc insulator with new structure Download PDFInfo
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- CN209785661U CN209785661U CN201920649502.5U CN201920649502U CN209785661U CN 209785661 U CN209785661 U CN 209785661U CN 201920649502 U CN201920649502 U CN 201920649502U CN 209785661 U CN209785661 U CN 209785661U
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- disc insulator
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Abstract
The utility model discloses a composite disc insulator of new construction has the iron hat, the steel foot, core and core lower part work portion and silicon rubber full skirt, its characterized in that iron hat, steel foot, core work portion and silicon rubber full skirt of composite material core and its lower part are the composite disc insulator of integrated configuration of one shot forming's composite material core and silicon rubber full skirt. The composite insulator has the advantages that through the improvement of the structure and the process, the problems that the iron cap, the steel pin and the insulator core body are required to be glued into a whole firstly in the manufacturing of the composite insulator, and then the composite insulator is put into a water tank or other media for maintenance, the process is complicated, and the yield is low are solved. Through the improvement of the core body structure, the materials and the manufacturing and pouring process, the composite material core body has high strength, light weight and excellent electrical performance, is integrally formed at one time, improves the processing quality and quality, does not have the problems of zero value of the traditional ceramic core body and spontaneous explosion of the glass core body, and is an ideal updated product of the composite disc insulator at present.
Description
Technical Field
The utility model belongs to the technical field of the composite disc insulator among the electric power transmission and transformation circuit, it is a composite disc insulator of new construction and manufacturing method exactly to say.
Background
The basic structure of the composite disc insulator used at present is gradually developed and evolved along with the structure of the traditional porcelain insulator, and even if the composite disc insulator with the glass core is invented later, an inevitable problem still exists, namely the problem that cracks and breakdowns between the insulator core and the steel leg and the iron cap form a zero-value insulator. As in the applicant's utility model patent No. 2015202041044, the name is: an insulator core combining an iron cap and a steel leg is still a structure which is manufactured separately and then bonded to each other by an adhesive. The above-mentioned problems also exist. In view of this problem, the inventors of the present invention have earnestly studied and have made the object of the present invention.
Disclosure of Invention
The invention aims to overcome the defects of the insulator core body. Namely, a composite disc insulator with a new structure is provided.
The technical solution of the utility model is realized like this, this kind of new construction's compound disk insulator has the iron hat, the steel foot, core and core lower part work portion and silicon rubber full skirt, its characterized in that iron hat (1), steel foot (3), compound material core (2) and core work portion (4) and silicon rubber full skirt (5) of its lower part are one shot forming's compound material core and silicon rubber full skirt's integrated configuration's compound disk insulator.
The beneficial technical effects of the invention are as follows: through the improvement of structure and manufacturing process, the problems that the iron cap, the steel leg and the insulator core body are required to be glued into a whole through cement glue in the traditional composite insulator manufacturing process and then enter a water tank or other mediums for maintenance, the process is complicated, the yield is low are solved, the one-step forming process is simple, the yield is high, the weight is light, and the safe operation of a power grid is better ensured.
through the improvement to core structure, material and manufacturing and pouring technology, the composite material core has high strength, light weight and excellent electrical performance, and is integrally formed with the insulator in one step, thereby avoiding the problem of waste products in the composite processing process of the insulator, improving the processing quality and quality, avoiding the problems of zero value of the traditional ceramic core and spontaneous explosion of the glass core, greatly reducing the maintenance workload, and being an ideal update product of the composite disc insulator at present.
Drawings
Fig. 1 is a schematic structural section view of the present invention, and fig. 2-6 are schematic structural section views of the composite material core (2) of the composite disc insulator. The numbers in the drawings are: 1. the steel cap comprises an iron cap body 2, a core body made of composite materials 3, steel feet 4, a core body lower working part 5 and a silicon rubber umbrella skirt.
Detailed Description
the invention will be described in detail with reference to the following embodiments, which are illustrated in the accompanying drawings. Referring to the attached drawings, the composite disc insulator with the new structure is provided with an iron cap, steel feet, a core body lower part working part and a silicon rubber umbrella skirt, and is characterized in that the iron cap (1), the steel feet (3), the composite material core body (2), the core body working part (4) on the lower part of the composite material core body and the silicon rubber umbrella skirt (5) are the composite disc insulator with the composite structure of the composite material core body and the silicon rubber umbrella skirt which are formed in one step.
The composite material core body (2) is a one-step molding structure of an epoxy glass fiber or basalt fiber composite material or a composite material taking reinforced engineering plastics and glass fibers or basalt fibers as base materials.
The iron cap (1), the steel feet (3), the composite material core body (2) and the core body working part (4) at the lower part of the core body are of a combined structure formed by one-time injection molding.
The number of the lower working part of the core body and the silicon rubber umbrella skirt can be a plurality of combined structures.
The utility model discloses a manufacturing method of composite disc insulator of new construction, its characterized in that:
The method comprises the following steps of fixing an iron cap and a steel pin in a prepared tool, wherein the tool comprises a fixing device for fixing the iron cap and the steel pin and a mold closing device for molding a core body made of a composite material, the iron cap and the steel pin are vertically coaxial, the composite material in a storage chamber is injected into a cavity of a mold through a nozzle at high speed and high pressure under the action of the thrust of a piston of an injection oil cylinder, the composite material in the cavity is subjected to pressure maintaining, cooling and curing and shaping, the mold is opened under the action of a mold closing mechanism, and a shaped product is ejected out of the mold through an ejection device;
And secondly, putting the obtained combined structure of the iron cap, the steel leg and the composite material core into a high-temperature vulcanization mold with silicon rubber, and performing high-temperature vulcanization, heat preservation and demolding to obtain the composite disc insulator with the new structure.
The utility model discloses a manufacturing method of composite disc insulator of new construction, its characterized in that compound material be according to following batching and component proportion: 10-50% of nylon 66(PA66), 5-15% of flame retardant, 5-8% of flexibilizer, 5-8% of antistatic agent and 20-80% of glass fiber or basalt fiber.
The utility model discloses a manufacturing method of composite disc insulator of new construction, its characterized in that the density scope of the composite material said is 0.8 ~ 1.8g/cm3。
The utility model discloses the compound material be according to following batching and component proportion: 10-50% of nylon 66(PA66), 5-15% of flame retardant, 5-8% of flexibilizer, 5-8% of antistatic agent and 20-80% of glass fiber or basalt fiber.
The temperature range of the high temperature of the utility model is 160-290 ℃, and the pressure range of the high pressure is 55-175 Mpa.
The structure and manufacturing method of the embodiment of the inner core according to the present invention shown in fig. 2 to 6 are the same as those of embodiment 1, and are not described again.
The composite disc insulator of the present patent application and the composite disc insulator of patent No. 201520204104.4 (abbreviated as comparative patent in the table) are subjected to an in-air impact breakdown resistance test by the steepness method according to the regulations in GB/T20642 "high-voltage line insulator in-air impact breakdown test".
The test is carried out by using shock waves with wave head steepness larger than 4000kV/us according to the regulation, each insulator is firstly impacted by positive polarity for 5 times, then impacted by negative polarity for 5 times, and then impacted by positive polarity for 5 times and impacted by negative polarity for 5 times, and the impact interval is 1 min. No breakdown or damage occurred to the product.
The results are given in the following table:
From the above table, it can be seen that the breakdown test of the composite disc insulator of the present patent application is completely passed, while the product of the conventional process has a larger breakdown damage ratio. The reliability and advantages of the present patent application are of course clearly non-obvious nature.
Claims (5)
1. The composite disc insulator with new structure has iron cap, steel feet, core body lower part and umbrella skirt, and features the composite disc insulator with once formed composite core body and umbrella skirt of silicon rubber, including iron cap (1), steel feet (3), composite core body (2), core body lower part and umbrella skirt of silicon rubber (5).
2. The composite disc insulator of a new structure according to claim 1, characterized in that said composite material core (2) is a one-shot formed structure of epoxy glass fiber or basalt fiber composite material or composite material based on reinforced engineering plastic and glass fiber or basalt fiber.
3. A new structural composite disc insulator according to claim 1 wherein said cap (1), foot (3), core (2) and lower core working portion (4) are a one-shot molded composite structure.
4. A composite disc insulator of new construction as set forth in claim 1 wherein said core lower working portion and said silicone rubber sheds are provided in plural combinations.
5. composite of a new structure according to claim 1The disc insulator is characterized in that the density range of the composite material is 0.8-1.8 g/cm3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649502.5U CN209785661U (en) | 2019-05-01 | 2019-05-01 | Composite disc insulator with new structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649502.5U CN209785661U (en) | 2019-05-01 | 2019-05-01 | Composite disc insulator with new structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209785661U true CN209785661U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920649502.5U Active CN209785661U (en) | 2019-05-01 | 2019-05-01 | Composite disc insulator with new structure |
Country Status (1)
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| CN (1) | CN209785661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136900A (en) * | 2019-05-01 | 2019-08-16 | 青州市力王电力科技有限公司 | A kind of compound disc insulator and its manufacturing method of new construction |
-
2019
- 2019-05-01 CN CN201920649502.5U patent/CN209785661U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136900A (en) * | 2019-05-01 | 2019-08-16 | 青州市力王电力科技有限公司 | A kind of compound disc insulator and its manufacturing method of new construction |
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