| 摘要 |
<p>A roll-to-roll distance measuring device comprises a sensor device for measuring the distance between at least a pair of rolls disposed oppositely to each other on both sides of a cast piece passage in a continuous casting machine. The sensor device comprises a movable sensor head having a cylindrical body part, a head part which is arranged continuously with the upper end of the body part in a conical shape and the top of which is convexed toward the upper roll among the pair of rolls; and a cylindrical sensor housing for storing the sensor head. A reception part serving as a space for receiving foreign matters is formed between the bottom end outer peripheral surface of the head part and the upper end inner peripheral surface of the sensor housing when the bottom end of the head part is intruded into the sensor housing. The bottom part of the reception part is formed in an annular flat surface in the top plan view thereof.</p> |
