Stain-resistant burst-preventing rigid suspension insulator for urban mass transit metro contact network
A technology for urban rail transit and insulators, applied in the direction of suspension/strain insulators, insulators, electrical components, etc., can solve the problems of difficult glue-mounting vertical, short solid distance, low withstand voltage value, etc., to improve solid thickness and bending resistance The effect of force improvement and mechanical performance improvement
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Embodiment 1
[0038] See Figure 1 ~ Figure 4 , The pollution-resistant and explosion-proof rigid suspension insulator for the urban rail transit subway contact network of the present invention includes an upper metal accessory 1, a lower metal accessory 2 and an insulator porcelain body 3. The insulator porcelain body 3 is connected to the upper metal accessory 1 and the lower metal accessory 2 The glue assembly is integrated as a whole, the upper part of the insulator porcelain body 3 is a solid cylinder, the lower part of the insulator porcelain body is a hollow recess structure 8, and the middle of the insulator porcelain body 3 is provided with a bell-shaped umbrella skirt 5; The glue mounting surface of the metal accessory 1 matches the upper solid cylinder of the insulator porcelain body 3 to form a hat shape; the glue mounting surface of the lower metal accessory 2 matches the middle hollow cavity of the lower end surface of the insulator porcelain body 3.
Embodiment 2
[0040] The difference between the pollution-resistant and explosion-proof rigid suspension insulator for the urban rail transit subway contact net of this embodiment is that the outer surface of the insulator porcelain body 3 is provided with a bright glaze layer, and the height of the insulator porcelain body The diameter of the bell-shaped umbrella skirt in the middle of the porcelain body of the insulator is 240±20mm.
Embodiment 3
[0042] The difference between the pollution-resistant and explosion-proof rigid suspension insulator for the urban rail transit subway contact net of this embodiment is that the lower umbrella surface of the bell-shaped umbrella skirt extends from the root of the porcelain body to the umbrella The skirt is provided with 2-6 ring-shaped raised umbrella rib structures, and the depth of the umbrella rib groove closest to the root of the porcelain body is shallower than other umbrella rib grooves.
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