Automatic drill rod holding device

The utility model relates to an automatic drill rod holding device, which comprises a base, a holding wrench and a holding oil cylinder. A drill rod hole is arranged in the center of the base. Two guide rails are respectively and symmetrically arranged on the two sides of the drill rod hole. One end of the holding oil cylinder is installed on the holding wrench and the other end of the holding oil cylinder is installed on the base. The holding wrench faces to the drill rod hole and can move on the two guide rails. The utility model has the advantages that the automatic holding device can accurately and reliably hold the drill rod, the labor strength of the operating workers is greatly reduced, the work efficiency is improved, the defects that a lot of time and labor are required to manually hold the drill rod are overcome, the drill rod can be accurately held and released, the situation of drill rod falling-off is avoided and the safety of the held drill rod is guaranteed.