Tire transection section fixing device

The utility model discloses a tire transection section fixing device, which comprises a plate body, the plate body includes bottom plate and cardboard, cardboard left side on the bottom plate of can spacing tire intersecing section both sides tire bead, the right side sets up, the symmetrical outline line that has identical both sides tire bead side and bottom surface on the spacing face of both sides cardboard, outline line corresponding to the tire bead bottom surface is the low -angle slash to upper left side or upper right side slope, the 14 circular arc lines that include the lower part indent corresponding to the outline line to the side of the tire bead, 18 circular arc lines and the upper portion wide -angle slash to upper left side or upper right side slope of middle part evagination, distance between the cardboard of both sides is corresponding to the steel ring width of rim diameter between 400mm-700mm. The utility model discloses be convenient for to the measurement of each position size of tire transection section, fixed tire transection is cut into slices and through the mode that the tire datum line was painted to the hand, can be improved measuring accuracy and measurement of efficiency greatly on the drawing more in the past.