Novel oil well polish rod fracture plugging wellhead hanger

A novel oil well polish rod fracture plugging wellhead hanger comprises a sealing head, a slip bowl body, a conical sealing filler, a filler pressing ring, a slip, a locking bolt, a polish rod, a connecting thread, a polish rod sealing hole, a three-stage sealing groove, a filler cavity, a slip hole, a slip sheath, a bolt hole and a center hole. A sealing head is of a cylindrical conical head structure, the upper end of the sealing head is provided with connecting threads matched with a slip bowl body, a filler cavity for containing conical sealing filler is formed in the sealing head, a polished rod sealing hole is formed in the axis position of the lower portion of the sealing head, the drift diameter of the polished rod sealing hole is designed to be 30 mm, and a three-stage sealing groove is formed in the polished rod sealing hole. The lower part of the slip bowl body is provided with an internal thread matched with the connecting thread, the axis part is provided with a central hole through which a polis