Library's books are got and are put special ladder of arrangement

The utility model provides a library's books are got and are put special ladder of arrangement, includes the first ladder frame of front side, second ladder frame, connecting plate, preceding link, back link, universal wheel, hoist engine, pivot, footboard and the pneumatic cylinder of rear side, first ladder frame puts up including third bracing piece and fourth bracing piece including first bracing piece and second bracing piece, second ladder, be equipped with respectively in first bracing piece and the second bracing piece along the first spout of the length direction setting of first bracing piece and second bracing piece, be equipped with in the first spout along the chain of first spout length direction setting, the pivot middle part is around being equipped with the connecting band, and the downward output shaft with the hoist engine of one end of connecting band is connected, and hoist engine fixed connection is on the second bracing piece, the connecting plate rear side upwards is equipped with the