Chain wheel synchronization degree detection tool

The utility model discloses a chain wheel synchronization degree detection tool, comprising a double-sided groove connecting block with an upper end face provided with an upper trapezoidal groove and a lower end face provided with a lower trapezoidal groove; the top rods are parallel to each other, the tops of the top rods are embedded into the lower trapezoidal grooves through trapezoidal heads, and the distance between the top rods can be adjusted and locked; the left X-direction sliding block and the right X-direction sliding block are respectively embedded in the upper trapezoidal grooves; the roots of the fixed arms are correspondingly fixed to the tops of the corresponding sliding blocks through Z-direction screws respectively; the root of the telescopic arm is correspondingly inserted into the fixed arm, and the extension length of the telescopic arm can be adjusted; and the detection rod is correspondingly inserted into the free end of the telescopic arm and extends along the vertical direction. Accor