The utility model discloses a thorax machine is scribbled to cannon barrel belongs to cannon service equipment technical field, scribbles the thorax machine and is equipped with four rotatable land wheels for round body, its bottom, and organism upper end main frame is made for steel pipe or tubular metal resonator, and its one end is equipped with the riser, and the riser upper end is equipped with two handles, is equipped with electrical control box between two handles, and electrical control box upper surface ann has the electrical control box panel, scribble thorax machine bottom plate respectively fixed ann have isolation transformer and motor, the oil pump is connected to the motor axle head, oil pump one end is passed through glue connection and is connected the oil tank, the rubber tube end is connected to the oil pump other end, the rubber tube is fixed by the larynx hoop, the oil tank lower extreme is equipped with the support, and the rubber tube passes through the support fixed loop and winds at the oil tank surface, and the rubber tube other end is equipped with the metal joint, connects the rear end of connection nozzle assembly, and shower nozzle assembly front end is equipped with the shower nozzle, scribbling thorax machine outer fringe and encircleing and be equipped with the urceolus, the upper end is equipped with the cover, the cable is fixed by the strain relief clamp, and electrical control box, heating device and isolation transformer are connected respectively to the cable.