Reaming device for underground coal mine geological exploration

The invention relates to a reaming device for underground coal mine geological exploration, and belongs to the field of geological exploration, the reaming device comprises a water tank, the front end of the water tank is fixedly connected with a connecting shell, the right side of the connecting shell is provided with a fixing pipe, the right side of the water tank is fixedly provided with a shell, and the water tank is internally and rotatably provided with a rotating plate; a guide rod is connected to the front side of the rotating plate in an abutting mode, a first anchor rod is arranged in the middle of the guide rod, a reaming adjusting assembly is installed at the front end of the guide rod, a drill rod is installed below the reaming adjusting assembly, a drill bit is installed below the drill rod, a pressing plate is slidably installed in the connecting shell, and the pressing plate is connected with the connecting shell through a spring. The pressing plate is made of rubber, the device can achieve th