汽轮机转子输出端和联轴器的设计探讨

Research on design of rotor output-end and coupling for steam turbine

针对汽轮机转子输出端和联轴器的设计问题,简述了工业汽轮机转子的特点和积木块的设计思想;论述了转子输出端的设计方法和流程,回顾了联轴器的设计发展历程,介绍了当今国际标准中,有关联轴器的型式、规定和要求;重点阐述了转子输出端与联轴器的配合和配置设计,指出了该领域的设计发展方向和趋势;首次提出了在工程设计中,确定转子输出端名义轴径,按当量扭应力的安全系数法来进行定量计算的概念;并对转子输出端与联轴器的螺纹联结形式和油槽位置等工艺性结构的合理设计进行了定性分析和探讨。

Aiming at the design of the rotor output-end and coupling for the steam turbine,the features of rotor for industrial steam turbine and design concepts of building-block were introduced.The design method of the rotor output-end and process were discussed.The development history of coupling design was reviewed.The type,regulations and requirements of coupling in current international standards were presented.The matching,configuration and design of rotor output-end and coupling were expatiated.The design developing direction in this area was pointed out.It was put forward that determining the nominal diameter of output-end,which was calculated using safe coefficient method of equivalent torsional stress,firstly in engineering design.The reasonable design in technique structure of thread form for the rotor output-end as well as the design of the location of oil groove were analyzed and discussed.