Detection device for bearing vibration

The utility model relates to a detection device for bearing vibration, which comprises a base, a main shaft rotationally arranged on the fixed base, a motor for driving the main shaft to rotate and a vibration detection mechanism arranged at one end of the main shaft, the mounting shaft is coaxially arranged at the other end of the main shaft and is used for sleeving a bearing; the axial positioning block is arranged at the end part of the mounting shaft and is used for axially propping against an inner ring of the bearing; the jacking mechanism is arranged on the mounting shaft and used for jacking the inner ring of the bearing in the radial direction, the axial force application mechanism is arranged at the other end of the mounting shaft and used for jacking the outer ring of the bearing in the axial direction, and the vibration detection mechanism is arranged above the mounting shaft. According to the utility model, the mounting shaft which is coaxial with the main shaft is arranged, and the axial positio