Device for drilling and positioning iron eight HXD1 sand box mounting seat

The utility model discloses a device for drilling and positioning an iron eight HXD1 sand box mounting seat, which comprises a concave groove arranged on a mounting seat drill jig main body, a positioning boss is arranged at the central position in the concave groove, the positioning boss is of a circular structure, the mounting seat drill jig main body and the positioning boss are of an integrated structure, and the mounting seat drill jig main body is provided with a positioning groove. A concave groove is formed in the mounting seat drilling jig body, positioning drilling jig shaft sleeves are symmetrically and fixedly connected into the concave groove, a positioning groove is formed in one side wall of the mounting seat drilling jig body, jacking threaded holes are symmetrically formed in the positioning groove in the horizontal direction, the tail end of the positioning groove communicates with the concave groove, and a jacking plate is slidably connected into the positioning groove. The drilling device