The composite post inzolator is skladane of a mandrel, an umbrella suknja skroj i a connecting učvršćenje. The core rod je made of fiberglass steel, which is used to provide the mehanička svojstva of the izolator. The sheath is connected to the surface of the core rod through the glue0, which plays the role of protecting the the core rod. The connecting fixture is located at both ends of the composite pillar izolator, which plays the role of connecting the composite pillar insulator with the pole and tower hardware.
The end connection mode of composite post insulator can be divided into wedge type and crimping type. Wedge type can be divided into outer wedge type and inner wedge type type.
The Production Technology of Inzolator Umbrella Suk And Mandrel Can Be Divided Into Extruded Umbrella And integral Injection. The extruded umbrella is to glue the umbrella suknja to the mandrel, so there are two interfaces: mandrel - sheath and sheathing -umbrella cover. The umbrella suknja i mandrel sheath are formed in one body the integral injection type, and only the mandrel - sheath Interface Available.
The failure of composite post inzolator includes flashover, mechanical strength decline, mandrel break, mandrel break, mandrel crisp rot, vanjsko štena, štena, etc. Among them, the external force damage is related to the external environment control, and the others uglavnom depend on the izolator's own state, which is closely related to aging.
At present, the composite pillar insulator uglavnom usvaja the crimping type connection structure, and the composite pillar insulator of this structure almost no longer produces the event of breaking the string the the insulator due to the delow of mehanička svojstva. In the case of acid-otporan mandrel, the composite post insulator almost no ne longer produces lomljivo lomljivo lomljeno.
Stoga, at present, the failure of composite pillar izolatori related to aging uglavnom includes mandrel breakdown and lomljivo fracture. Since dedownd hydrophobicity may also cause discharge and damage to the mandrel, dew hydrophobicity is also considered to be a form of failure associated with aging.
