The invention discloses a high-speed load transfer mechanism. The high-speed load transfer mechanism comprises a driving motor, a reversing air cylinder, an air cylinder support, a drive shaft, nylon rollers, a main frame body, installing shafts, transmission belts, conveying rollers, roller rotation supports, a connecting plate, a drive sprocket, a knuckle bearing and a reversing hinge, wherein the driving motor is installed at the bottom of the main frame body, the front end of the reversing air cylinder is connected with the reversing hinge on the upper side through the knuckle bearing, the rear end of the reversing air cylinder is fixed to the air cylinder support, the air cylinder support is connected with the main frame body, the drive shaft is fixed to the main frame body through a bearing, the drive sprocket and the nylon rollers are connected with the drive shaft, the conveying rollers are installed on the roller rotation supports through the installing shafts, the roller rotation supports are installed on the connecting plate, and the connecting plate is connected to the main frame body. The high-speed load transfer mechanism has the advantages of being simple and reasonable in structure, excellent in effect in practical application, free of other complex mechanisms and elements, stable in mechanical property, low in manufacturing cost, high in load transfer speed, and capable of accomplishing multi-path sorting and load transfer.