1results about How to "Precise verticality" patented technology

The utility model provides a kind of novel large-diameter vertical shaft segment assembly precision control's auxiliary tool and device, the auxiliary tool includes fixed frame, the top of one end of the fixed frame is symmetrically provided with two auxiliary plates, two auxiliary plates are arranged in the shape of splay, two side plates of the fixed frame below auxiliary plate are respectively provided with one for adjusting inverted trapezoidal segment angle separation type jack, the bottom of the fixed frame is fixed to the end of right trapezoidal segment, and the lower area of inverted trapezoidal segment is formed between two auxiliary plates.The utility model is simple in structure, reasonable in design, can constrain the turning direction of segment vertical surface, prevent inside and outside turning when vertical shaft segment is lowered and assembled, ensure the perpendicularity of vertical shaft segment lowering, and make screw positioning more accurate when inverted trapezoidal segment is lowered and assembled.