Auxiliary fixing device for mortar anchor rod

The utility model relates to an auxiliary fixing device for a mortar anchor rod, and belongs to the technical field of anchoring and shotcreting support in geotechnical engineering. The device comprises a lifting device and an anchor rod auxiliary fixing device fixed on the lifting device, the lifting device comprises a base and a working platform located above the base, a supporting column is fixed to the base, a hydraulic lifting column is fixed to the upper end of the supporting column, and the hydraulic lifting column is fixed to the lower portion of the working platform; the anchor rod auxiliary fixing device comprises a plurality of positioning insertion tables arranged in parallel, a first sliding rail is transversely arranged on the working platform, the positioning insertion tables are fixed in the first sliding rail and can transversely move along the first sliding rail, and fixing sleeves are arranged at the two ends of the two sides of each positioning insertion table in the length direction of th