Three-generation hub bearing vibration value sound detection device

The utility model provides a third-generation hub bearing vibration value sound detection device which comprises a machine tool workbench, an air cylinder, a piston rod, a mounting plate, a sound sensor, a mounting seat, a pressure head and a machine tool spindle. An air cylinder is arranged in the center of the upper end face of the machine tool workbench and connected with a mounting plate through a piston rod, the upper end of the mounting plate is fixedly connected with a mounting base, the upper end of the mounting base is matched with an annular protrusion at the lower end of a hub bearing, and a pressing head matched with the outer diameter of the end of an outer ring of the hub bearing is arranged above the hub bearing. The pressing head is detachably and fixedly connected with a machine tool spindle arranged in the center of the upper end of the pressing head. And the sound sensor is arranged in the mounting plate. The beneficial effects of the utility model are that the device is simple in structure