Installation device of indoor transformer

The utility model discloses an installation construction device of an electric device, and particularly to an installation device of an indoor transformer. For aiming at the defects of the prior art,the utility model provides the installation device of the indoor transformer which has the advantages of convenient using and high versatility. The installation device comprises a track (2) which hasa starting point equipped outside a transformer chamber (1). The outdoor end of the track (2) is supported through a steel tube bracket (7). Two steel rails of the track (2) extend into the transformer chamber (1) and respectively extend to the bottom of the installation position of the transformer along two side bearing beams of a ventilation trench (4) of transformer. The installation device comprises a lifting structure which is provided correspondingly with the installation position of the transformer in the ventilation trench (4). The installation device comprises a detachable trolley (3)which moves along the trac