The invention relates to an installation device for a
transformer. The installation device is used for guiding and positioning a
transformer (1) when the
transformer (1) is arranged in a compartment device (9) with a
square cross section and comprises an inclined surface guide rack
assembly (91) and a positioning connection device (3), the inclined surface guide rack
assembly (91) is arranged in the compartment device (9), the positioning connection device (3) is fixedly connected with the transformer (1) by a fastening element (30), the inclined surface guide rack
assembly (91) comprises four inclined surface guide racks, the four inclined surface guide racks are separately hinged with corner plates (913), the corner plates (913) are arranged at four corner positions of the compartment device (9) and are fixedly arranged, each inclined surface guide rack comprises a rotation arm part (911) and an inclined surface part (912), the rotation arm parts (911) are hinged with the corner plates (913) through hinge parts (914), the inclined surface parts (912) are fixedly connected with the rotation arm parts (911) and outwards incline from bottom to top, and the positioning connection device (3) comprises a square roller support rack (32).