Rotatable maintenance illuminating lamp in transformer substation

The utility model belongs to the technical field of substation facilities, and particularly relates to a rotatable maintenance illuminating lamp in a substation, which comprises an illuminating lamp, a lamp holder of the lamp is fixed on a column, the column is cylindrical, blind hole channels are respectively arranged on the same section of the column along two ends of a diameter, and springs are arranged at the bottoms of the hole channels. A bolt is propped against the head end of the spring, and the head of the bolt is in a conical arc shape; the support base is provided with a support foundation at the bottom, a support stand column is arranged on the support foundation, the upper end face of the stand column is provided with a concave groove matched with the stand column, and a plurality of inserting holes are formed in the inner wall of the concave groove in the circumferential direction. According to the lamp, the multi-angle adjustable lamp support is provided, by arranging the adjusting assembly, mu