Short stress rolling mill stand guide pin bushing that rises

The utility model provides a short stress rolling mill stand guide pin bushing that rises, the guide pin bushing primary structure is: the guide pin bushing upper end is equipped with the dust ring slot, guide pin bushing hole middle part is equipped with the guide ring slot, and this technical scheme becomes go up cover, trap two constitutions along punishing with the guide pin bushing on the guide ring slot, the guide ring slot is established and is the step at the terminal surface of trapping, the gland designs an organic whole become with last cover, directly processes the dust ring slot at last cover hole. The beneficial effects of the utility model are that: the dismouting guide ring is very convenient, should not damage the guide ring, has avoided the gland to damage the trouble, has improved the guide pin bushing working property. 种短应力轧机涨立柱导套，导套原结构是：导套上端设有防尘圈沟槽；导套内孔中部设有导向环沟槽，本技术方案是将导套沿导向环沟槽上沿处分成上套、下套两件组成；导向环沟槽设在下套端面为台阶形；压盖和上套设计成体，在上套内孔直接加工防尘圈沟槽。本实用新型的有益效果是：拆装导向环十分方便，不宜损坏导向环，避免了压盖损坏故障，提高了导套工作性能。