Method and device for measuring rotation inertia of revolution body online
A technology of moment of inertia and revolving body, applied in the field of mechanical properties, can solve problems such as out-of-synchronization, low repeatability, and inconsistent speed values between the measurement system and the control system
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[0079] A device for measuring the moment of inertia of a rotating body on-line includes:
[0080] The universal chuck device 5 is a rotating main shaft with bearings, on which a winding disk 6 is arranged to rotate synchronously with the main shaft, an inertial disk 8 is installed on one side of the winding disk, and the measured rotating body 4 is coaxially connected to the other side ;
[0081] The guide wheel 1 is fixed at a certain height, and the photoelectric encoder 3 is installed coaxially with the guide wheel;
[0082] A flexible rope, one end is connected to the weight 2, and the other end is wound on the winding reel;
[0083] The brake device composed of the cylinder 7 and the solenoid valve 9 locks the main shaft where the winding reel 6 is located;
[0084] The computer 11 is electrically connected to the electromagnetic valve 9 through the acquisition card 10, and the photoelectric encoder 3 is electrically connected to the data acquisition card 10 and the com...
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