97人人添人人爽一-97人人添人人澡人人澡人人澡-97人人添人澡人人爽超碰-97人人夜夜视频精品-97人人澡-97人人澡人人爽

  The utility model relates to a short stress universal rolling mill with high rigidity and short stress, in particular to a short stress universal rolling mill with high rigidity and which can realize rapid replacement of the whole rolling mill. The utility model relates to a high rigidity short stress universal rolling mill, which is characterized in that it is a non arch rolling mill, including a reinforced horizontal roll device, an anti rollover vertical roll device, a guide rail, a pressing screw, a column and a roll changing trolley. The whole rolling mill is fastened on the rapid roll changing trolley by a hydraulic prestressed rod to realize the overall rapid replacement of the rolling mill. The short stress universal rolling mill of the utility model is reformed on the basis of the original rolling mill, the re investment of the rolling mill is small, and the product quality and the service life of the rolling mill can be effectively improved.