High security automatic lifting device

The utility model provides a high security automatic lifting device, including two sets of guide rail framves, two sets of guide rails frame horizontal distribution, every group guide rail frame is by two mount pads, two chain wheel frame, first driving chain, the guide rail, the slider, the connecting block becomes with two chain wheel group, two mount pads distribute from top to bottom, chain wheel frame of difference fixed mounting on every mount pad, install the sprocket on every chain wheel frame, the first driving chain of installation between two sprockets, the guide rail is vertical direction, the upper and lower both ends of guide rail respectively with mount pad fixed connection, the slider is installed on the guide rail, the slider can slide from top to bottom along the guide rail, the one end and the slider fixed connection of connecting block, the other end and the first driving chain fixed connection of connecting block, fixed connection horizontally bearing frame between the slider on two sets