Solid tire for construction machinery

The utility model provides a solid tire for engineering machinery, which comprises an outer tire body, the outer tire body is of a solid structure, an inner tire body concentric with the outer tire body is arranged in the outer tire body, the inner tire body is of a solid structure, the inner tire body is connected with the outer tire body in an inserted mode, a convex ring part matched with a hub is fixedly connected to the middle position in the inner tire body, and the convex ring part is connected with the hub in an inserted mode. The convex ring part and the inner tube body are concentrically arranged, a plurality of counter bores are annularly formed in the inner surface of the convex ring part at equal intervals, a plurality of penetrating holes communicated with the counter bores are annularly formed in the outer surface of the inner tube body at equal intervals, a plurality of threaded sleeves are annularly fixed to the inner surface of the outer tube body at equal intervals, and connecting screws ar