Oscillating type liquefied concrete rubbing and repairing device

The invention relates to an oscillating type liquefied concrete flattening and repairing device which comprises a flattening beam plate and a repairing mechanism used for repairing a cavity caused when a dowel bar is implanted into concrete, a plurality of fixing frames are fixedly installed on the flattening beam plate, and a rolling mechanism used for flattening the surface of the concrete is arranged in the middle of the flattening beam plate. Supporting mechanisms used for preventing the rolling mechanism from being broken are arranged on the two sides of the rolling mechanism. The four hydraulic vibrators vibrate at the same time to provide repairing power for the surface of the concrete, concrete above the dowel bar is vibrated, liquefied and pulped again after the dowel bar is implanted into the concrete, and secondary repairing is conducted on cavity incompactness and bleeding caused above the dowel bar when the dowel bar is implanted. The quality defects such as poor flatness of the concrete surface