High pressure compound inslation wall bushing

The utility model discloses a high pressure compound inslation wall bushing, including the conducting rod, the both ends cover of conducting rod is equipped with the shield cover, the both ends of conducting rod are connected with binding post respectively, the cladding of conducting rod periphery has the inner insulating layer, be equipped with target and telluric electricity field in the the inner insulating layer, said target with telluric electricity field's both ends are equipped with the stress cone respectively, the cladding of the inner insulating layer periphery is equipped with the external insulation layer, said the inner insulating layer, said target, said telluric electricity field with external insulation layer vacuum casting one shot forming sets up, the periphery cover of external insulation layer intermediate position is equipped with metallic sheath, the external insulation layer still overlaps outward and is equipped with a plurality of umbrella disks, the metallic sheath both sides said umbrella disk, said target, said telluric electricity field with stress cone symmetry respectively sets up. The utility model discloses insulation system reasonable in design, the manufacture craft is simplified, has reduced the installation requirement, has guaranteed product quality