Road construction joint cutter with cleaning function

The utility model discloses a road construction joint cutter with a cleaning function, which comprises a joint cutter rack, the bottom of the joint cutter rack is rotatably provided with a joint cutter, the front side end and the rear side end of the joint cutter are respectively and fixedly provided with a driving disc, the middle parts of the joint cutter and the driving discs are respectively and fixedly provided with a driving motor, and the driving motors are fixedly arranged on the joint cutter rack. And a driving plate is movably arranged on the surface of the driving disc. The driving disc is driven by the driving motor to rotate, so that the driving disc is matched with the damping spring to drive the driving plate to vertically vibrate up and down, then the driving plate drives the knocking block and the salient points on the surface of the knocking block to knock the position cut by the joint cutter through the connecting pipe, and broken stones can be dispersed and easily absorbed; and meanwhile,