Asphalt pavement crack filling device

The utility model discloses an asphalt pavement crack filling device, and relates to the technical field of pavement repairing devices, the asphalt pavement crack filling device comprises an underframe, the surface of the underframe is provided with a discharge hole in a penetrating manner, the upper surface of the underframe is fixedly provided with an electric heating barrel, the electric heating barrel is positioned right above the discharge hole, and the middle part of the underframe is provided with an observation hole in a penetrating manner; and a rotating seat is mounted on the upper surface of the bottom frame. Through cooperative arrangement of the rotating seat, the hinging seat, the connecting plate and the electric heating glue filling pipe, when the crack of the pavement is filled, the bottom end of the electric heating glue filling pipe is inserted into the crack of the pavement, so that a glue solution in the electric heating barrel flows into the crack of the pavement through the electric hea