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Since 1958, the total sales volume of Thunder Lightning brand tempered glass insulator has exceeded 100 million pieces, accounting for half of the country and one sixth of the world.
The glass insulator is composed of an iron cap, toughened glass parts and steel pin, which are combined with cement adhesive. Before assembling, the top of the steel pin is provided with a soft gasket, the inner cavity of the iron cap and the pin ends at the contact point with the cement adhesive are covered by tar. The gasket and tar are used to buff in case of damage when insulator facing thermal expansion and contraction. Toughened glass parts are used to insulate.
Glass insulators have the characteristics of small size, light weight, zero-value self-breaking, and easy detection; high mechanical strength; good arc resistance; good self-cleaning performance and not easy to age. In addition, the spraying material has the advantages of strong hydrophobicity, long-term resistance to pollution, low leakage current on the surface, and maintenance-free during operation; it is widely used in various circuits at home and abroad.
Disk suspension glass insulators are divided into standard type, anti-pollution type, DC type, , aerodynamic type, out-ribs type and ground wire type.
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Intelligent Electric Equipment
The product has the advantages of safety and reliability, small occupation area, short construction period, long service life, flexible layout, etc. It can be designed flexibly according to the geographical location of the site and meteorological conditions, and can also be constructed by stages according to the current long-term planning. It is convenient to move and can be relocated to other places in the shortest time. The cabin supporting system has comprehensive functions, beautiful appearance and various options, and the color painting and spraying are integrated with the surrounding environment.
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The disc-shaped suspended porcelain insulator is composed of iron cap, porcelain parts and steel feet, which are bonded together with cement cement. Before bonding, a soft gasket is placed on the top of the steel foot. The inner cavity of the iron cap and the steel foot are coated with tar layer at the contact point of cement cement cement, which mainly acts as a buffer to prevent the insulator from being damaged during thermal expansion and contraction. Porcelain is mainly used for insulation.
Porcelain insulators have standard sizes, various types of products and various forms. High mechanical strength; Good arc resistance; With good chemical stability and thermal stability, not easy to aging; It is widely used in all kinds of circuits at home and abroad.
Porcelain insulators have heavy and high weight; Zero value detection is difficult, easy to produce dangerous stress and lead to product damage and other shortcomings; In terms of structure type, porcelain insulators are divided into Suspension porcelain insulators, Spool insulator, Strain insulator, Line post insulator, Power station post insulator, Rod post insulator, Pin type porcelain insulator and post type porcelain insulator.
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We can provide products without release agent residue, which will not affect the bonding between solid filler and insulator inner wall;
We can provide products with high temperature resistant coating to avoid damage of insulator inner wall due to instantaneous high temperature during operation.
We can provide products with anti-corrosion coating resistant to SF6 decomposition to avoid the inner wall of insulators being damaged by the corrosion of SF6 decomposition in operation. Reasonable keyway structure is used to fix between mold insert and mold frame, and large-tonnage mold locking mechanism is used to control the thickness of product parting surface to be less than 0.2mm. The mold is heated by electric heating, which makes the vulcanization degree of the product more uniform, and makes the organic composite umbrella skirt sleeve have higher mechanical strength and electrical strength. Scientific and reasonable injection process ensures the close combination of organic composite umbrella sleeve and winding pipe, and the eccentricity of umbrella sleeve is controlled within 0.3mm.
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High voltage bushing is an important equipment element in power system, which takes on the function of current carrying and insulation when the high voltage line passes through the wall and equipment shell, and the connection between equipment or the grounding of equipment. Since 1958, the company took the lead in the trial production of capacity bushings in China, and after more than 50 years of production and manufacturing experience, it has produced more than 100,000 high-pressure bushings for the power transmission and transformation industry, accounting for about 50% of the total number of domestic online operation at present. On the basis of the original casing production technology, our company actively explores new materials and new technology of casing products, and in 2001, we successfully developed FRP reinforced dry capacitor core, and developed FRP reinforced dry casing series products by using this technology. At present, the company has oil paper capacity type, adhesive paper capacity type, glass fiber capacity type of three kinds of technology of high-pressure bushing production line.
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The main structure of the composite insulator is generally composed of three parts: shed sheath, glass fiber and end fittings. The shed sheath is generally made of high temperature vulcanized silicone rubber material, the fiber is generally a glass fiber reinforced plastic composite material with glass fiber as the reinforcing material and epoxy resin as the matrix; the end fittings are generally carbon cast steel or carbon structural steel with hot-dip galvanized coating on the outer surface. The fiber and the shed sheath bear the mechanical and electrical loads respectively, thus combining the advantages of the superior atmospheric aging resistance of the shed sheath material and the good tensile mechanical properties of the fiber material. Silicone rubber is currently the best material for composite insulator shed group sheaths, and its unique hydrophobic migration performance is the key to successful use of silicone rubber in polluted areas.
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