DEVICE FOR MEASURING AZIMUTH ANGLE OF ROTATABLY MOVING BODY IN SMOKESTACK

摘要

PROBLEM TO BE SOLVED: To provide a device for measuring an azimuth angle of a rotatably moving body in a smokestack, which can accurately measure the azimuth angle of the moving body with little error that rotates and moves in the smokestack. SOLUTION: The azimuth angle measuring device for the smokestack rotatably moving body 6 moving vertically and rotating circumferentially in the smokestack 1 is provided with a gyro-type azimuth sensor 20 which is mounted on the smokestack rotatably moving body 6, a laser emitting device 22 which emits a laser beam 21 in the axial direction inside the smokestack 1, a photo sensor 23 which is arranged at a position of the smokestack rotatably moving body 6 where the photo sensor 23 intersects the laser beam 21 in accordance with the rotation, and a control section 25 which initializes the gyro-type azimuth sensor 20 when the laser beam 21 is received by the photo sensor 23. COPYRIGHT: (C)2003,JPO