Insulation mounting seat for mounting train transformer

The utility model provides an insulating mounting seat for mounting a train transformer, which comprises an insulating plate made of insulating materials, a reinforcing plate is arranged on the bottom surface of the insulating plate, the insulating plate and the reinforcing plate are combined to form a composite seat plate, the composite seat plate is in an inverted boss shape, the periphery of the upper part of the composite seat plate is provided with a secondary fixing edge extending towards the periphery, and the secondary fixing edge is provided with a secondary fixing groove. A mounting space is formed between the secondary fixing edge and the vehicle body mounting surface, and the part within the secondary fixing edge is a primary fixing area; the primary fixing area is provided with a plurality of primary fixing structures for mounting the composite seat plate on a train, and a plurality of secondary fixing structures for fixing a transformer on the composite seat plate are arranged along the secondar