Road joint filling machine

The utility model discloses a road joint filling machine which comprises a material storage vehicle body and a vibration joint filling mechanism arranged on one side of the material storage vehicle body. The seam repairing head assembly comprises a connecting frame and a connecting frame fixed to the bottom of the connecting frame, and a discharging pipe assembly longitudinally penetrates through the top of the connecting frame; the guide plate assemblies are arranged on the lower portion of the connecting frame and symmetrically distributed on the two sides of the discharging pipe assembly; the device further comprises a meshing transmission assembly arranged in the connecting frame, and when the meshing transmission assembly drives the discharging pipe assembly to conduct vibration discharging, the guide plate assembly is synchronously driven to conduct expansion and contraction movement. By means of the vibration discharging mode, the discharging efficiency of the discharging pipe assembly is improved, the