Matching insulation device special for 10kV side outgoing line sleeve of 220kV transformer

The utility model discloses a special matched insulation device for a 10kV side outgoing line sleeve of a 220kV transformer. The special matched insulation device comprises an insulation cover (1) of a cap type structure and an insulation device accessory (6) which is in inserted connection with the insulation cover (1), the upper half part of the insulating cover (1) is an insulating cover main body (2) with a cylindrical structure, the side wall of the insulating cover main body (2) is provided with a first test hole (4) and a second test hole (5) which are communicated with each other, and the lower half part of the insulating cover main body (2) is an insulating cover umbrella skirt (3) with an umbrella-shaped structure; the insulation device accessory (6) comprises an accessory main board (7), and a first plug (8) and a second plug (9) are arranged on the side face of the accessory main board (7). The device can be installed on a conducting rod of a 10 kV side sleeve in a rotating mode, and insulation se