Pipeline working robot

PURPOSE: A plumbing robot is provided to minimize the exposition to foreign substances because the components for driving a driving unit and a breaking unit are provided inside a housing and prevents the malfunction due to foreign substances. CONSTITUTION: A plumbing robot comprises a housing(12), a breaking unit(20), a moving support unit(30), a driving unit(40), and a dust collecting unit(50). The breaking unit is equipped to correspond to the inner circumference of a pipe in the front side of the housing. The breaking unit is formed to be rotated with respect to the cross section in a shaft direction of the pipe and breaks the foreign substance inside the pipe while moving along the pipe. The dust collecting unit is equipped on one side of the housing and collects the broken foreign substance in the breaking unit.