空压机转子的动力特性及其叶片根部强度分析

对某空压机转子在高速转动时齿根的强度进行了详细分析,考虑了单齿接触的情况,得到各种情况下齿根的应力分布和接触面上的压力分布.同时还对高速转动时空压机转子叶片的振动特性进行了分析.结果表明叶片根部不同部位接触时最大等效应力的分布不同,但空压机转子的振动均没出现异常情况.

Analysis of Dynamic Behavior of an Air Compressor Rotor and Contact Strength of the Keys of the Blades

Detailed analysis was conducted on the strength of the gear keys of an air compressor rotor. The distribution of stresses in the key and the pressure stresses on the touching surface was obtained by taking the most unfavorable condition that there is only one key touches the keyslot into consideration. Also analyzed was the vibration characteristics of the blades of the rotor turning at high speed. The results show that the distribution of the maximum equivalent stresses is dependent on what sections of the key touch the keyslot. Nevertheless the dynamic characteristics of vibrations is normal regardless of the touching conditions.