最高空载频率是电液伺服动静万能试验机的一项重要指标 ,它的高低体现了动态试验机的技术水平 ,尤其是大负载的试验机 ,由于其可动部件的质量随着试验机最大负载的增大相应增大 ,因此试验机的系统频率也在下降。气液增压装置在电液伺服动态试验机上的应用 ,大大减小了试验机可动部件的质量 ,从而提高了试验机的系统频率 ,为试验机的研究开发提供了一种具有较高工程应用价值的方法 The maximum no-load frequency is an important indicator of the electro-hydraulic servo static and dynamic universal testing machine. Its level reflects the technical level of the dynamic testing machine, especially the heavy-duty testing machine. Since the quality of its movable parts increases with the maximum of the testing machine The corresponding increase in load increases, so the test machine’s system frequency is declining. The application of the gas-liquid supercharger in the electro-hydraulic servo dynamic testing machine greatly reduces the quality of the movable parts of the testing machine, thereby increasing the system frequency of the testing machine and providing a high-engineering Method of applying value