Wind-resistant composite insulator and preparation process thereof

Abstract

The invention discloses a wind-resistant composite insulator and a preparation process thereof. The insulator comprises a core rod, fittings arranged at the two ends of the core rod, and a plurality of epoxy resin frameworks which cover the outside the core rod, and are arranged along the axial direction and provided with bulges, silicon rubber umbrella skirts are arranged outside the epoxy resinframeworks, and the inclination angles of the upper surfaces of the silicon rubber umbrella skirts relative to the radial cross section of the core rod are the same as those of the lower surfaces of the silicon rubber umbrella skirts relative to the radial cross section of the core rod. The silicone rubber umbrella skirts are large umbrellas which are coaxial with a core rod and equal in diameter,or a small umbrella is arranged between every two adjacent large umbrellas; the small umbrellas are smaller than the large umbrellas in diameter. The core rod is composed of a glass fiber epoxy resindrawing rod. The epoxy resin is prepared from epoxy resin and a curing agent. Compared with the prior art, the defect that the root of the umbrella skirt is torn when encountering strong wind is overcome, the problem that the root of the umbrella skirt is torn can be effectively solved, and normal work of the insulator is guaranteed.

Description

technical field

[0001] The invention belongs to the technical field of power transmission and transformation, and relates to a preparation process of a large wind-resistant composite insulator. Background technique

[0002] Under strong wind conditions, the umbrella skirt will continue to swing strongly and steadily, which will eventually lead to fatigue and fracture of the silicone rubber material. When high-speed rail and high-speed trains run at a speed of 300km / h, plus a wind speed in the range of 25-60 m / s, the relative wind speed of the shed is quite large, so the root of the shed is often torn. Research on the protection of sheds is of great significance to ensure the normal operation of insulators. Contents of the invention

[0003] The purpose of the present invention is to solve the problem that the root of the shed is torn in strong wind, and to provide a wind-resistant composite insulator, which can effectively solve the tear of the shed root and ensure the no...

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