Peanut picking machine

The invention discloses a peanut picking machine which comprises a machine frame, a walking system, a dynamical system, a control system and a peanut collecting box. A picking machine body and a picking device are installed on the front side of the bottom end of the machine frame. A picking lifting adjustment device is installed between the picking machine body and the machine frame. A peanut seedling lifting device is installed behind the picking device. The machine frame is further provided with a peanut seedling feeding device and a peanut picking chamber, a peanut picking device is installed inside the peanut picking chamber, a cleaning chamber extending backwards is arranged on the machine frame below the peanut picking device, a cleaning device is installed inside the cleaning chamber, a peanut transverse conveying assembly is installed on the machine below the cleaning device, an outlet end of the peanut transverse conveying assembly is connected with a peanut lifting device assembly, and an outlet end of the peanut lifting device assembly is connected with the peanut collecting box. The peanut picking machine integrates the functions of picking, peanut-picking and cleaning, the structure is compact and reasonable, the space utilization is high, cost is effectively reduced, operation is convenient, working efficiency is greatly enhanced, and meanwhile, the labor cost is reduced.