Stacker crane with single folding arm

The utility model provides a single folding arm stacker crane, and relates to the technical field of carrying. The single-folding-arm stacker crane comprises a stacker crane body, a second conveying roller frame and a first conveying roller frame are arranged on the front side of the stacker crane body, a conveying assembly is arranged between the second conveying roller frame and the first conveying roller frame, multiple sets of guide rails are fixedly connected to the front side of the stacker crane body, and sliding blocks are arranged on the outer sides of the multiple sets of guide rails in a matched and sliding mode. According to the single-folding-arm stacker crane, a lifting servo motor drives a lifting chain wheel through a speed reducer, and the lifting chain wheel rotates to be meshed with a chain to drive the whole folding arm to move up and down. A small arm rotating servo motor of the folding arm receives an instruction to drive a small arm to rotate, the small arm rotates in cooperation with t