Two-end inner hole supporting elastic clamp for vertical balancing machine

The utility model discloses a two-end inner hole supporting elastic clamp for a vertical balancing machine, and relates to the technical field of mechanical clamps, the two-end inner hole supporting elastic clamp comprises a mounting seat, a moving shaft, a taper sleeve and an expansion sleeve, the mounting seat comprises a supporting section, and the supporting section comprises a supporting part, a first taper part and a sleeve which are integrally arranged in sequence; the moving shaft penetrates through the mounting base and is in sliding fit with the mounting base, and the end, deviating from the upper taper of the first conical part, of the moving shaft is connected with the driving part; the taper sleeve comprises a mounting part and a second taper part which are integrally arranged, the mounting part is arranged on the moving shaft, the large end of the second taper part is connected with the mounting part, and the second taper part is arranged towards the first taper part; grooves are evenly formed i