According to the actual production environment requirements,this paper designs a pressure test device that can simulate the 3Mpa water pressure environment and determines the working principle,mechanical structure,material and installation form of the experimental device.According to the relevant requirements of GB150"Pressure Vessel",the structural design and strength check calculation of the hydraulic pressure test device are completed.The 3D model of the pressure vessel is established by using the SolidWorks software.The finite element design method(FEA)is used to conduct the static analysi...