Rotational inertia test equipment

The invention provides rotational inertia testing equipment, which consists of a pneumatic cylinder, a button switch, a support frame, a flange, an abrasive cylinder, a pipeline combination structure, a workbench, a manual valve, a pressure gauge, a common rail pipe, a servo motor valve and a clamp, and is characterized in that the support frame is mounted on the workbench, and the pneumatic cylinder is mounted on the support frame; the button switch is installed on the supporting frame, the grinding cylinder is installed on the workbench, the first flange is installed on the push rod, one end of the pipeline combination structure is installed on the grinding cylinder barrel, the other end of the pipeline combination structure is installed on the grinding cylinder cover, the common rail pipe is installed on the pipeline combination structure, the clamp structure is installed on the workbench, and the clamp structure clamps the pipeline combination structure and the common rail pipe. The problem that time and