Alarm device for maintenance of transformer substation

The utility model discloses an alarm device for substation maintenance. The alarm device comprises a fixing plate, a fixing frame, an adjusting device, a positioning device and an alarm device body. The adjusting device comprises an adjusting groove, a handle, an adjusting bolt, an adjusting block, an adjusting hole and a connecting plate, the adjusting groove is formed in the bottom of the fixing plate, the adjusting block is slidably connected into the adjusting groove, and the bottom end of the adjusting block is fixedly connected with the connecting plate. An adjusting block is driven by a connecting plate to slide along an adjusting groove, so that the position of the adjusting block is adjusted, an adjusting hole and the adjusting block are in threaded connection through an adjusting bolt, so that the position of the adjusting block is fixed, and then a fixing frame is inserted into a side hole in the connecting plate through an inserting rod at one end of a connecting block; therefore, the fixing frame