Dynamic Analysis of Varied Gears Meshing Coupled Vibration Models of Marine Power Rear Drive System

In this paper, we take gear system as research object, and dynamic characteristics of gear pair meshing process as core, our purpose is to increase and improve dynamic performance of water surface warship power rear drive system (PRDS). Based on full consideration of this system components dynamic characteristics, used on theory and method of vibration mechanics, and studied on basic law of vibration, shock and noise in the process of transferring power and movement of water surface warship PRDS. Example analysis results verification by using varied gear engagement coupled vibration model shows that gear pairs end surface meshing line direction relative to the dynamic response of vibration acceleration and RMS value of acceleration under working velocity, the vibration of the gear axial, and the load bearing transmitted to box body bearing hole inner wall. It provides theoretical basis for rear drive system design and manufacture with small vibration, low noise, high reliability and high transmission performance. The varied gear engagement coupled vibration model demonstrated in this paper may be applied for many military systems needed for the dynamic performance when a suitable gear engagement coupled vibration model is developed.