Small-sized double-speed dustproof crane

The utility model discloses a small-sized double-speed dustproof crane, which belongs to the technical field of cranes, and adopts the technical scheme that the small-sized double-speed dustproof crane comprises a lazy arm, an upper upright post, a protective shell, a lower upright post, a lifting rope, an electric capstan and a lifting hook, a plurality of guide wheels are rotationally connected in the lazy arm, and a device box is fixedly connected to the upper end of the upper upright post; the electric capstan is fixedly connected to the bottom surface of the interior of the device box, a current controller is arranged on the left side of the electric capstan, the cylindrical surface of the electric capstan is in bolting connection with one end of a lifting rope, the other end of the lifting rope is in bolting connection with a lifting hook, a rotating controller is arranged in the protective shell, and a base is fixedly connected to the lower portion of the lower stand column. And the guide wheel is tigh