Pulley assembly

• Main Authors: WANG HONGLIN, MING GUOJUN, YU PU, XIANG PENGYANG, SHI DONGXING, CHEN BEI, QIN GANG
• Format: Patent
• Language: Chinese; English
• Published: 24.11.2017
• Subjects: BLASTING; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a pulley assembly and belongs to the technical field of marine machinery and ocean engineering. The pulley assembly comprises a first supporting plate, a second supporting plate, a supporting shaft, a first pulley, a second pulley and a spacing ring, wherein the supporting shaft is fixed to the first supporting plate and the second supporting plate, and the axis of the supporting shaft is perpendicular to the first supporting plate and the second supporting plate; the first pulley and the second pulley are coaxially arranged on the supporting shaft in a sleeving mode through two bearings; the spacing ring is arranged on the supporting shaft in a sleeving mode and located between the first pulley and the second pulley; a first single-lip sealing ring is arranged between the first pulley and the first supporting plate, and a second single-lip sealing ring is arranged between the second pulley and the second supporting plate; and a double-lip sealing ring is arranged between the first pul