Expansion type tire bead storage vehicle

The invention relates to a collapsible tire bead storage vehicle, and belongs to the field of tire production equipment. A guide supporting frame is installed on the upper half portion of a supporting vertical frame, a sliding bearing is arranged at the tail end of the guide supporting frame in a sleeved mode, the sliding bearing is connected with an expansion and contraction device guide support, fixed roller frames are symmetrically arranged on the top of the supporting vertical frame in a front-back mode, and fixed device movable rollers are installed on the fixed roller frames respectively. A connecting rod positioning frame is installed on the supporting vertical frame and connected with an adjusting lead screw through an adjusting lead screw positioning gland, an adjusting nut is screwed on the adjusting lead screw and hinged to one ends of two short connecting rods, and the other ends of the two short connecting rods are hinged to the inner sides of the ends of two long connecting rods through rolling