Worm and gear center distance rapid measurement machine tool

The invention relates to a measurement machine tool, in particular to a worm and gear center distance rapid measurement machine tool of an automobile electric steering system. The worm and gear center distance rapid measurement machine tool comprises a frame, a program control box, an operation displayer, a connection block, a floating sliding table, a worm clamp and a worm gear clamp, wherein the floating sliding table is arranged on the platen of the frame through a slide rail, the worm clamp is arranged on the floating sliding table, the worm gear clamp is arranged on the platen on one side of the floating sliding table, and clearance sensors are arranged on two sides of the worm gear clamp. The worm and gear center distance rapid measurement machine tool solves the problem that the existing detection mode cannot display change conditions of the center distance of a round of a worm gear visually, clamping and measuring time is long, and online batch inspection is inconvenient. Furthermore, the worm and gea