Transforming and tight pressing tool

The utility model discloses a transforming and tight pressing tool. The transforming and tight pressing tight tool is characterized by comprising a half ball, a tight pressing jack and an anti-shock cushion block, the half ball is connectedly fixed with the anti-shock cushion block, a tapered groove is formed in the anti-shock cushion block, and mutually matched with the half ball, and the half ball and the tight pressing jack are fixed and clamped through a bolt. The transform and tight pressing tool has the advantages that the top half ball and the tapered groove are connected in a structure that can effectively ensure transmission of attachment degree and tight pressing force of the transforming and tight pressing tool and a steel column surface, so that a steel column can be prevented from offsetting, adverse factors brought by vibration during processing of the steel column can be effectively lowered, the steel column is enabled to keep the an original position all the time, processing quality can be eff