Motor end cover air tightness test tool

The invention belongs to the technical field of motor testing equipment, and particularly relates to a motor end cover air tightness testing tool. The tool comprises a supporting frame which comprisesfour supporting legs placed on the ground and a cross beam fixedly arranged at the top ends of the supporting legs, wherein reinforcing ribs are fixedly arranged between the supporting legs and the cross beam, and a mounting plate is fixedly arranged in the middle of the cross beam; a longitudinal conveying mechanism which comprises a pushing air cylinder installed on the upper end face of the installation plate, a lifting bottom plate fixedly arranged at the telescopic end of the pushing air cylinder, a supporting plate fixedly arranged on the front end face of the lifting bottom plate and asealing mechanism installed on the supporting plate, wherein the supporting plate is perpendicular to the lifting bottom plate, and the sealing mechanism is used for fixing and sealing a motor end cover; the motor end cover air tightness testing tool overcomes the defects in the prior art, is strong in detection function, low in price and high in automation degree, and has practical significancein improving the production efficiency of enterprises, saving the labor force of the enterprises, improving the product quality and reducing the cost of the enterprises.