The utility model belongs to the technical field of power distribution station room fire extinguishing equipment, and particularly relates to a wheel type fire extinguishing robot. The device comprises a walking mechanism (1), a guide mechanism (3) and a controller. The walking mechanism (1) comprises a shell, wheels are arranged at the bottom of the shell, and a fire extinguisher (2) is installedon the shell. Wherein one end of the guide mechanism (3) is connected with the walking mechanism (1), a fire extinguisher nozzle (4) and a camera (5) are arranged at the other end of the guide mechanism (3), the fire extinguisher nozzle (4) is connected with the fire extinguisher (2) through a fire extinguishing pipeline, and a control valve is arranged on the fire extinguisher nozzle (4); and the controller can control the walking mechanism (1) and the guide mechanism (3) to enable the fire extinguisher nozzle (4) to move to a specified fire extinguishing position for fire extinguishing operation. The defects of a fire extinguishing mode of a fire extinguishing system can be overcome, accurate positioning and quick response to an indoor fire scene of the power distribution station are achieved, and the fire extinguishing efficiency is improved.