Pressure test tool for repair sealing elements

The utility model relates to a pressure test tool for repair sealing elements. The pressure test tool comprises a flange, a cylinder, an oil nozzle and a dummy shaft, the cylinder is vertically arranged on the upper surface of the flange, the oil nozzle is arranged in the through hole in the central section of the flange, the bottom of the oil nozzle is aligned to the upper surface of the flange, and the upper portion of the oil nozzle stretches out from the lower surface of the flange; one end of the dummy shaft is inserted into the cylinder, a sealing element needing the pressure test is arranged on the other end of the dummy shaft, and the sealing element is connected with the flange through connecting bolts; the centers of the flange, the cylinder, the dummy shaft and the sealing element are in the same line, and a rubber gasket is arranged between the dummy shaft and the sealing element; and the cylinder is in welded connection with the flange. According to the utility model, a mechanical seal element in