气动调节阀振动试验与结构响应分析

Vibration Test and Structural Response Analysis of a Pneumatic Regulating Valve

调节阀作为重要的流体调节装置,其在设计与使用中的可靠性对于系统的安全运行至关重要。文中针对气动调节阀开展振动试验,采用扫频和定频振动方式,检验阀门的抗振能力。并结合模态与谐响应仿真分析方法,对气动调节阀不同结构的响应特性进行研究,得到谐振时阀门的危险部位在阀盖的颈部和阀体的法兰端部,并提出优化建议,改进后气动调节阀的最大应力显著减小,有效提高了抗振性能和使用寿命。

As an important fluid regulating device,its reliability in design and use is very important to the safe operation of the system.The vibration test is carried out for a pneumatic regulating valve using sweep frequency and fixed frequency vibration methods to test the valve's ability to withstand vibration.Combined with the modal and harmonic response simulation analysis method,the response characteristics of different structures of pneumatic control valve were studied.The dangerous parts of the valve are found at the neck of the valve cover and the flange end of the valve body during resonance,and optimization suggestions are put forward.The maximum stress of the improved pneumatic control valve is significantly reduced,and the anti-vibration performance and service life are effectively improved.