流体机械2011，Vol.39Issue(7)：45-49,5.DOI:10.3969/j.issn.1005-0329.2011.07.010
单级悬臂泵轴的动态分析与改进设计
Dynamic Analysis and Improved Design of Single-stage Cantilever Pump Shaft
摘要
Abstract
In order to solve problems of transmission shaft which is a single-stage cantilever pump-motor system and could de-story the system such as twist resonance and load, this paper analyzes the shaft torsional transmission model in detail, establishes a mechanical model of concentrated mass of impellers and motor. It introduces simply the method of determining the parameters in the torsional vibration equation, derived moment of inertia of impeller loading system; solved the critical rotating speed of transmission shaft,determined nodal plane and principal vibration mode of the shaft. Take unit step signal for example,describes the dynamic response process of torsional angle of impeller and motor by Laplace transform. Compared with the dynamic response process of elasticized shaft, elastic shaft can decrease damage of pump. The results can provide theoretical basis to design and improve single-stage cantilever pump shaft.关键词
单级悬臂泵/轴/动态分析/改进设计/临界转速Key words
single-stage cantilever pump/shaft/dynamic analysis/improved design/critical rotating speed分类
机械制造引用本文复制引用
高红斌,卢改林,高琨,程晨..单级悬臂泵轴的动态分析与改进设计[J].流体机械,2011,39(7):45-49,5.基金项目
山西省基础研究计划资助项目(200811052) （200811052）
