Worm gear running-in equipment of automobile steering system

The utility model discloses worm gear running-in equipment of an automobile steering system, which relates to the technical field of worm gear running-in equipment and comprises an equipment body, and the equipment body comprises a left sliding table feeding mechanism, a positioning mechanism, a worm measurement stress application small sliding table, a right sliding table feeding mechanism, a detection mechanism and a hydraulic system. The positioning mechanism comprises a shell, a hydraulic clamping mandrel, a rotating main shaft and a clamping oil cylinder, the hydraulic clamping mandrel is fixed to the rotating main shaft, an inner circle clamping structure is arranged on the hydraulic clamping mandrel, a worm wheel is installed on the hydraulic clamping mandrel in a clamping mode through the inner circle clamping structure, and the clamping oil cylinder is connected with the worm wheel. And an ejector rod is connected between the output end of the clamping oil cylinder and the rotating main shaft. The su