Flat straightness static measurement device of plate -type

The utility model discloses a flat straightness static measurement device of plate -type, including that both ends are connected with the gusset of left branch strut and right branch strut respectively, still having erect ball between left branch strut and the right branch strut, the motor is connected through the one end of shaft coupling with ball, and it is nested on ball that the slider passes through screw nut, is equipped with electro -optical distance meter on the slider, electro -optical distance meter is connected with processing unit through signal transmission line, and the displacement sensor of rigidity sends electro -optical distance meter's horizontal position sigual to processing unit, and processing unit erupts simultaneously according to the flat straightness testing result of signal generation of receiving and gives the display and advance signal transmission line 0. The utility model discloses reduce the height error who arouses by motion dead weight and guide arm dead weight, solved the p