我国小型横列式轧机的进出口导卫装置,大多采用左右夹板、上下吊尖,用螺栓固定在横梁上。这种传统的导卫装置虽能保证轧件正常出入,但加工制造较复杂,更换不便,而且易松动,使轧件偏倒出“鱼尾巴”。并且易冲尖堆钢成“龟铁”,造成断辊,中断时间长,轧件报废,致使金属消耗 Import and export of China’s small-scale horizontal track mill guide devices, most of the left and right plywood, hanging from top to bottom, with bolts fixed on the beam. Although this traditional guide guarding device can ensure the normal entry and exit of the rolling stock, the manufacturing and processing are complicated and inconvenient to change, and the slackening is easy to cause the rolling stock to dump out the “fish tail”. And Yi Chong pointed to a pile of steel “turtle”, resulting in broken roller, a long interruption, rolling scrap, resulting in metal consumption