船用齿轮箱制造产业现状及发展趋势

Status and development trends of marine gearbox manufacturing industry

船用齿轮箱（或称船用齿轮减速器、船舶主动力齿轮传动装置）是一种船舶专用的齿轮传动装置．主要用途为减速增扭、船舶倒驶、承受螺旋桨推力，广泛用于各类船舶。

Marine gearbox （or marine gear reducer, marine main power gear transmission device） is a gear transmission device spe- cial for ships. Its main applications are to decelerate torsional increase, ship sternway and to bear propeller thrust, exten- sively applied in various types of ships.