DEVICE FOR MEASUREMENT OF SHAFT ELASTIC BENDING Russian patent published in 1994 - IPC

FIELD: shipbuilding; devices for centering shipboard shaft lines. SUBSTANCE: device has measuring instrument, for example, dial indicator 7 and two pointers 2 and 3 secured on detachable rings 1. Pointer 3 is provided with through hole which receives indicator 7 with one measuring rod 8 on the external side. Two detachable rings 1 have symmetrical chamfers on the inertial surface of central hole which form width of contact band of these rings with shaft not exceeding 5 percent of length of section under test enclosed between axes of symmetry of contact bands of detachable rings 1. Axes of symmetry of contact bends of detachable rings on the shaft are brought in line with axes of symmetry of contact area of rings 1 with the shaft. EFFECT: enhanced efficiency. 2 cl, 2 dwg