船用锚绞机减速器结构振动响应分析及辐射噪声预估

Vibration response analysis and radiation noise estimation of reducer structure for reducer structure of marine anchor and mooring equipment

运用ADAMS建立船用锚绞机减速器齿轮传动系统动力学模型,对啮合过程中轴承位置处所受的动载荷进行获取,基于模态叠加法在模态空间对减速器箱体的振动响应进行计算。在LMS Virtual.Lab软件中,利用振动响应获得的结果,采用声学边界元法对齿轮箱外场辐射噪声进行求解,得到齿轮箱噪声谱,为齿轮箱振动噪声的优化设计提供理论依据。

A dynamic model is developed for the gear system of marine anchor and mooring equipment with ADAMS to get the dynamic load borne by the bearing position during the meshing process .Based on the mode superposition method , the vibration response of the reducer box is calculated in the modal space .In LMS Virtual.Lab, the out-field radiation noise of the gear box is gained by the Acoustic BEM with reference to the result from the vibration response , in order to get the noise spectrum of the gearbox , which can provide theoretic basis for optimal design of the vibration noise .