How to solve problems encountered during the operation of marine pumps:

What causes vibration and noise in slide pumps? If the bearing is damaged, it needs to be replaced in a timely manner. If the center of the pump shaft is not concentric with the drive shaft and there is a large deviation, it is necessary to adjust the concentricity between the pump shaft and the drive shaft to make the inclination angle less than seven. The foundation of the vane pump is loose, and the foundation bolts of the oil pump are tightened. The blade pump body has excessive wear and needs to be replaced.

The main characteristics of gear pumps are compact structure, small volume, light weight, and low cost. However, compared with other types of pumps, it has disadvantages such as low efficiency, high vibration, loud noise, and easy wear and tear.

One of the methods to eliminate axial leakage in gear pumps is to add an annular groove concentric with the shaft hole around the inner plane of the pump cover, drill a vertical hole with a depth equal to the center of the pump cover thickness within the corresponding oil suction range outside the groove, drill a through hole on the outer end face of the pump cover, so that the suction range outside the groove is consistent with the annular groove, and then plug the pump cover on the outer end face of the plug hole, on the left side of the pump cover of the transmission shaft and sealing packing chamber. This method of eliminating axial leakage in gear pumps can achieve automatic sealing effect. Not only does it completely solve the problem of liquid leakage from the pump, but it also effectively addresses the defect of reduced suction range caused by air leakage. The shaft end seal design of gear pumps produced by marine pump valves comes in two forms: mechanical seal and packing seal, which can be determined according to specific usage conditions and user requirements.