Marking insulation assembly for secondary safety protection of transformer substation

The invention discloses a marking insulation assembly for transformer substation secondary safety protection, and belongs to the field of transformer substation secondary safety protection appliances, the marking insulation assembly for transformer substation secondary safety protection comprises an insulation cap shell, the insulation cap shell is provided with a marking assembly through a mounting assembly, and the marking assembly comprises a circular mounting shell; the mounting assembly comprises four telescopic grooves, the interiors of the four telescopic grooves are fixedly connected with arc-shaped clamping blocks through mounting springs, clamping grooves matched with the arc-shaped clamping blocks are formed in the inner side of the circular mounting shell, the outer surface of the circular mounting shell is rotationally connected with a plurality of rotating frames, and the rotating frames are arranged in the clamping grooves. By means of the mode, the marking assembly on the device can be selecti