| 摘要 |
<p>The present invention relates to a roller rotation sensing device and, more particularly, to a roller rotation sensing device for a heat treating furnace having a plurality of rollers (2) installed thereon and which heat treats while conveying a material on top of the rollers (2) according to the rotation of the rollers (2). A rotation sensing means (12) senses whether the rollers (2) are rotating, i.e., whether an abnormality is present, which rotation sensing means is installed on a rail (10) on one side of the rollers (2) and moves back and forth along the rail (10).</p> |
