Auxiliary drilling device for bridge box type longitudinal beam

The utility model relates to the technical field of bridge drilling, and discloses a bridge box type longitudinal beam auxiliary drilling device which comprises an installation box, a moving mechanism is arranged on the installation box and comprises moving wheels and a handle, a driving mechanism is arranged on the moving wheels and comprises an electric motor, a connecting box is arranged on the upper side of the installation box, and the connecting box is connected with the handle. A position adjusting mechanism is arranged on the connecting box, the connecting box is a hollow rectangular body with an upward opening, a mounting frame is arranged in the connecting box, and a hydraulic cylinder is fixedly mounted on the upper side wall surface of the horizontal end of the mounting frame. In the using process, the device can be moved to the position where drilling is needed through the mounting box and the moving mechanism, when drilling is needed, the hydraulic cylinder can be controlled, the hydraulic rod b