涡轮轴疲劳试验台系统设计

摘要

In order to accomplish the turbo shaft fatigue test under combined load,the turbo-shaft fatigue test bench was designed with combination of computer,machinery,electric and hydraulic technology.The process of applying torque and bending moment load synchronously was realized efficiently by the test system through extracting signal from banding moment and adopting electro-hydraulic servo valve.The computer measurement and control system can be adopted to accomplish various cyclic loading schemes or adjusting the load exerted on shaft expediently in test.%为了实现涡轮轴在综合载荷作用下疲劳强度的试验,采用机、电、液、计算机技术相结合的方法设计了涡轮轴疲劳试验台.该试验系统通过信号提取和采用电液伺服阀有效实现了扭矩载荷与弯矩载荷同步加载过程,利用计算机测控系统能够方便地实现测试过程中多种循环加载方式以及加载载荷大小的调整.