Secondary wiring board installation structure of SF6 gas insulation mutual inductor

The invention relates to the field of gas insulation transformers, in particular to a secondary wiring board mounting structure of an SF6 gas insulation transformer, which is characterized in that a secondary wiring board is arranged in a junction box, a protective sleeve is arranged on the outer side of the junction box, a sleeve flange is arranged at the head end of the protective sleeve, and a mounting plate is arranged on the rear side of the junction box; the secondary wiring board and the sleeve flange are fixedly arranged on the mounting plate through a mounting bolt and a mounting nut, the secondary binding post is arranged on the secondary wiring board, one end of the secondary binding post, which is positioned outside the junction box, is provided with a press-fitting hole which is connected with a cable in a pressing manner, and the cable is arranged in the protective sleeve. The other end of the secondary binding post is provided with a screw portion, the screw portion is sleeved with a terminal n