注聚平台振动特性及阻尼基座隔振性能

基于Abaqus软件建立大型注聚泵作用下注聚平台动力响应分析模型，探究注聚泵布置方式、开启数量、启动间隔等参数对注聚平台振动特性的影响规律。基于被动隔振原理提出一种迷宫式约束阻尼隔振基座用于降低平台的振动，并采用数值方法对该约束阻尼隔振基座的隔振效率进行研究。结果表明，注聚平台的振动响应会随着注聚泵开启数量的增加呈现线性增长趋势，不同启动间隔可导致注聚泵机振动载荷相互抵消，从而导致注聚平台振动响应大幅降低，而迷宫式约束阻尼隔振基座可显著降低注聚平台多个自由度的振动响应，其隔振效率可达20%。

Vibration Characteristics of Polymer Injection Platform and Vibration Isolation Performance of Damping Base

A dynamic analysis model of the polymer injection platform under the action of multiple polymer injection pumps is established with the Abaqus software, and the influence of the pump location, pump number and pump start instant on the vibration intensity of the platform is investigated in detail. A labyrinthine constrained damping isolation base is proposed according to the passive vibration isolation principle, and the performance of the damping base is numerically studied. The numerical results show that the vibration intensity of the platform increases linearly as the number of pumps increases, the vibration loads will cancel each other for the pumps start up at different instants, resulting in a significant reduction in the vibration intensity of the platform, the labyrinthine constrained damping isolation base can reduce the vibration intensity of the platform in multiple degrees of freedom significantly, and the isolation efficiency can reach 20%.