航天微型扭杆刚度自动测量装置的研制

Development of an automatic stiffness measuring device for micro elastic torsion bar

研制开发一套航天微型扭杆刚度高测量自动测量装置。它具有独特的定心夹紧装置 ,同时采用压电晶体柔性铰链机构驱动实现了对扭杆的平衡对称扭矩加载 ,并且采用精密扭矩和角度测量装置 。

A full-automatic stiffness measuring device for micro elastic torsion bar has been developed. In this device the piezoelectric actuator and flexible joint are utilized to implement pure torsion drive. Furthermore the particular auto-centering fixture and precise torque and angle measuring instruments are used to make this measuring device attain high accuracy. In practice the measurement results indicate that this device performs very well.