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 online measurement of the moment of inertia of a rotating body includes:
[0080] The universal chuck device 5 is a rotating main shaft with a bearing. A winding reel 6 is installed on the main shaft to rotate synchronously with the main shaft. One side of the winding reel is installed with an inertia plate 8 and the other side is coaxially connected to the measured rotating body 4 ;
[0081] A guide wheel 1 fixed at a certain height, and the photoelectric encoder 3 is installed coaxially with the guide wheel;
[0082] A flexible rope with one end connected to the weight 2 and the other end wrapped around the winding reel;
[0083] The brake device composed of cylinder 7 and solenoid valve 9 locks the main shaft where the winding reel 6 is located;
[0084] The computer 11 is electrically connected to the solenoid valve 9 through the acquisition card 10, and the photoelectric encoder 3 is electrically connected to the data acquisition card 10 and the computer in seq...
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