SEALING AND BEARING UNIT FOR SHAFT Russian patent published in 1995 - IPC

FIELD: mechanical engineering. SUBSTANCE: unit has face seal 1 with housing 10 provided with sleeve 2. The sleeve connects the housing with the cover of apparatus 3 tightly. Joint of bushing 18 with the end of shaft 8 of the drive and joint of bushing 18 with the end of shaft 9 of the mixer are positioned inside the sleeve. Top flange 11 of housing 10 is connected with bearing of shaft 8 of the drive. Ports 36 are made in stand 4. The ports are used for removing the sealing unit. When the seal is changed one friction pair overlaps the apparatus space, sleeve 2 is detached from the cover and lifts. Shaft 8 of the drive lifts also. The sealing bushing is loosened and the sealing unit is changed without disassembling of the drive. EFFECT: enhanced reliability. 3 cl, 6 dwg