Vertical submerged pump's self -lubricating bearing case

• Main Authors: LI XUELAI, CHEN XU
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2017
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to a vertical submerged pump's self -lubricating bearing case, include: the bearing housing, the pump shaft: put the rotor parts that pass and be used for connecting the pump from bearing housing central point, the bearing: establish at the epaxial bearing axle sleeve of pump including fixed cover to and install journal bearing and thrust bearing on the bearing axle sleeve in proper order along the pump shaft axial, journal bearing still be fixed in the top of bearing housing, thrust bearing still be fixed in bearing housing bottom, the self -lubricating return circuit: including installing at the inside lubricating oil chamber of bearing housing to and radial radial hole is followed on the axial axially extending bore in edge and the upper portion that set up in the bearing axle sleeve, lubricating oil chamber, axially extending bore and radial hole connect gradually and constitute circulation circuit, the interface channel between radial hole and the lubricating oil chamber still p