| 摘要 |
PURPOSE:To obtain an economical apparatus which can measure even a slant angle with respect to a reference surface in a specified case with a simple structure by a constitution by which a running distance and a running direction at this time point are obtained based on the outputs of a rotary angle detector and a turning angle detector. CONSTITUTION:A sucking and running body 10 has a flat tube body 11 as a vacuum container and a movable tube body 12 which can be slidden along the inner surface of the tube body 11 in the axial direction. A measuring device is provided in the tube body 11 and a comprises a moving vehicle 1, a turning frame 2, a rotary angle detector 3 and a turning angle detector 4. The moving vehicle 1 is supported with the lower end part of the turning frame 2 so that the vehicle can be turned around the axial line. The moving vehicle 1 is rolled on a running surface 9 together with the running of the running body 10. A running distance from an original point is obtained based on the output of the rotary angle detector 3. The running direction at this time point is obtained based on the output of the turning angle detector 4. The contact point of the moving vehicle 1 with the running surface 9 is made to agree with a turning axial line 10A of the running body 10. Therefore, the output of the rotary angle detector 3 is not changed by the turning of the running body around the turning axial line 10 of the running body itself. |
