Automatic guniting equipment for tunnel

The utility model discloses tunnel automatic guniting equipment which comprises a main body, the outer wall of the main body is wrapped with a protective pad, the right side of the bottom of the main body is fixedly connected with wheel rods, a wheel shaft is rotationally connected between the wheel rods, the two ends of the wheel shaft are fixedly connected with main wheels, and an auxiliary wheel is rotationally arranged on the left side of the bottom of the main body. And a storage battery is arranged in the main body. According to the automatic guniting equipment for the tunnel, the cross-shaped rod arranged at one end of the rotating rod can be driven to rotate through the rotating motor connected with the other end of the rotating rod; extension rods arranged at four ports of a cross rod can extend and shorten a spray head so that the spray range of the spray head can be adjusted according to the spray size needed by a tunnel, the angle of the spray head can be freely adjusted through a movable shaft, a