The utility model provides a roadway anchor rod drill carriage which is suitable for an existing small-section rock roadway. Based on the technology of an anchor rod drill carriage, the device mainlycomprises a suspension track which is arranged in the middle of a roadway roof and effectively utilizes the space of the roof in a roadway; a drill carriage sliding rail is arranged above the drill carriage main body and used for connecting the drill carriage with the suspension rail, and supporting legs are arranged in front of and behind the drill carriage main body and used for stabilizing thedrill carriage; the rotary base is arranged below the drill carriage main body and can drive the supporting telescopic arm and the drilling machine to rotate; the driving device is used for connectingand supporting the telescopic arm and the drilling machine; the supporting telescopic arm and the drilling machine are used for positioning and supporting operation. According to the utility model, the advantages of a suspension track and an anchor rod drill carriage in a roadway are combined, the problems of difficulty in construction and vehicle staggering of the existing coal mine small-section roadway are solved, the supporting work efficiency is effectively improved, the labor intensity of workers is reduced, and the applicability is wide.