Transformer

The utility model belongs to the technical field of power equipment, and particularly relates to a transformer which comprises a transformer body, a first fixed plate, a pre-fixed seat, a movable plate and a first reset spring, the two first fixing plates are symmetrically distributed and located under the mounting foot plate, fixing holes are formed in the first fixing plates and used for fixing the first fixing plates to a fixed object, a pre-fixing base is fixed to the bottom face of the mounting foot plate, and pre-locking holes are formed in the pre-fixing base; according to the transformer, the transformer body is pre-fixed through the pre-fixing base and the pre-locking block, a worker can further fix the transformer body conveniently, installation can be achieved by a single person, installation is more convenient and safer, and potential safety hazards existing in high-altitude operation are avoided; and the pre-fixing seat and the pre-locking block are matched, so that the mounting stability of the