Overhauling robot traveling mechanism

The invention discloses an overhauling robot traveling mechanism, which comprises a base. An oil cylinder is arranged in the base, and a piston of the oil cylinder can stretch out of the base; a traction arm sleeves the end of the piston and is internally provided with an auxiliary motor; the auxiliary motor is connected with a driving wheel through an auxiliary motor rotary shaft, and the drivingwheel is connected with a driven wheel through a conveyor belt; a main triangular support is arranged at the front end of the lower side of the base, and a front wheel is arranged at the lower end ofthe main triangular support; a distance measuring sensor is arranged in the main triangular support, and an auxiliary triangular support is arranged at the rear end of the lower side of the base; a main motor is arranged at the lower end of the auxiliary triangular support, and a rear wheel is arranged on a rotary shaft of the main motor; and a single chip microcomputer is arranged in the base, and the single chip microco