Cooling type main oil tank of roots blower

The utility model discloses a Roots blower cooling type main oil tank which comprises a base, a cooling structure and a filtering structure, the cooling structure is arranged on the base, the filtering structure is arranged on the base, and the cooling structure comprises a motor, a fan, a supporting frame, cooling fins, a fixed connecting base, a first communicating oil pipe and a circulating discharge oil pipe. The motor is arranged on the base, the fan is rotationally arranged on the motor, the supporting frame is arranged on the base, the cooling fins are arranged on the supporting frame, the fixed connecting base is arranged on the cooling fins, the first communicating oil pipe is arranged on the cooling fins, and the circulating discharge oil pipe is arranged on the cooling fins. The utility model belongs to the technical field of cooling equipment, particularly relates to a cooling type main oil tank of a Roots blower, and effectively solves the problems of poor cooling effect of the Roots blower, long