Version roller quick replacement car

The utility model relates to a version roller quick replacement car. The purpose is that more changing trains of providing should have the safe convenience of operation, simple structure, characteristics that production efficiency is high. Technical scheme is: version roller quick replacement car, its characterized in that: should more change trains including moving vehicle frame, level fix slide rail on moving vehicle frame, can be along the gliding walking electric block of slide rail, moving vehicle frame includes that the level arranges and be equipped with two floorbars of universal wheel, the vertical stand of fixing on the floorbar, horizontal bracket and establish the crossbeam on the stand top, article two, floorbar parallel arrangement is and crossbeam perpendicular to floorbar, the slide rail level is fixed below the crossbeam and slide rail perpendicular to crossbeam, the slide rail is the I -steel, and walking electric block's walking wheel location is on the lower flange of I -steel web both sid