Battery charging and discharging laminate mechanism

A battery charging and discharging layer plate mechanism comprises a rectangular tray supporting bottom plate, vertical limiting pull rods arranged in the front-back direction are arranged on the left side and the right side of the tray supporting bottom plate respectively, and the tops of the limiting pull rods are connected with a tray bottom plate assembly; the lower surface of the tray bottom plate assembly is provided with a fan capable of blowing air upwards for heat dissipation, the upper surface of the tray bottom plate assembly is provided with two side check blocks and a front check block which limit the position of the battery tray, and the outer sides of the side check blocks are provided with hand holding air cylinders capable of clamping the battery tray. The tray bottom plate assembly is connected with a first limiting rod through sliding bearings at four corners, the top of the first limiting rod is connected with a tray upper bottom plate through a shaft supporting piece, and the lower surfac