| 摘要 |
<p>Disclosed are a main reducer (30, 60) for a three-roll continuous pipe rolling mill and a three-roll continuous pipe rolling mill comprising the main reducer, wherein the main reducer comprises a combination box which is composed of a plurality of separate boxes (3-1, 3-2, 3-3, 3-4, 6-1, 6-2, 6-3, 6-4) connected via bolts, and the combination surfaces between the separate boxes of the combination box are provided and connected along the lateral direction of the reducer. The present invention has the advantages of reducing oil leakage, having easy installation, maintenance and overhaul, saving overhaul time, ensuring the normal operation and production rhythm of the apparatus, and increasing the production output of steel pipes.</p> |
