PROPELLER SHAFT STERN BUSH REMOVER

摘要

FIELD: ship-repairing. SUBSTANCE: stern bush remover has rod with rocker arm at one end and thread with nut at other end, bearing flange and branch pipe. Innovation of invention consists in mounting pneumatic hammers on bearing flange with stops secured on them. EFFECT: increased labour productivity and enhanced reliability through combination of static tractive force with vibration impact action of pneumatic hammers. 2 cl, 2 dwg