Disc suspension insulators refer to porcelain insulators composed of disc insulators and connecting fittings. Disc suspension porcelain insulators mainly play the role of insulating and fixing wires in overhead transmission and distribution lines. Disc suspension insulators also have a variety of umbrella structure designs, providing a variety of reasonable options for the use of lines in different regions. /
The hardware on the disc suspension porcelain insulator is generally composed of steel caps and needle-shaped steel feet. The surface of the iron cap and steel feet is generally hot-dip galvanized, so the disc suspension insulator is also called the cap-foot suspension insulator string. The insulating parts of disc suspension insulators are generally made of electrical ceramics. The contact surfaces of iron caps and steel feet with the adhesive are usually thinly coated with a buffer layer, and the top of the steel feet has elastic pads. The surface of the disk-shaped suspension insulator is generally white glazed, and brown glaze or blue-gray glaze can also be glazed according to needs. The elastic locking pin on the disc suspension insulator can be divided into two types: ball-type connection and groove-type connection.
In power detection, insulator detectors are often used to detect various types of insulators on overhead lines. For example, an insulator distribution voltage tester can be used to detect the voltage and resistance of disc-shaped suspension insulators to determine whether the insulators in operation have zero value and so on.
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