This creation is related to the auxiliary power wheel structure of a planter. The auxiliary power wheel includes a fixed frame, wheel support, wheels and elastic components； the fixed frame is for the auxiliary power wheel to be installed on the side of the main frame of the planter. The front side is provided with a connecting seat, and the rear side of the fixed frame is provided with a shaft seat； the front end of the wheel bracket is pivotally connected to the shaft seat on the rear side of the fixed frame, the rear end of the wheel bracket is pivotally connected to the wheel, and the other wheel bracket is below the rear end A bump is provided； the elastic component includes a connecting plate, a connecting rod and a spring. The rear end of the connecting plate is pivotally connected to the bump below the rear end of the wheel bracket. The front end of the connecting plate penetrates the connecting rod, and the connecting rod The front end is pivotally connected to the connecting seat on the front side of the fixed frame, and the connecting rod passes through the rod body at the front end of the connecting plate, and a spring is sleeved. The elastic component makes the wheels of the auxiliary power wheel have good grounding performance in the field.本創作係有關一種播種機之輔助動力輪結構，該輔助動力輪包含固定架、輪支架、輪子及彈力組件；該固定架係供輔助動力輪安裝於播種機之主架側邊上，固定架之前側設有連接座，而固定架之後側設有軸座；該輪支架之前端係樞接於固定架後側之軸座上，輪支架之後端係樞接輪子，另輪支架後端下方設有一凸塊；該彈力組件包含有連接板、連桿及彈簧，該連接板之後端樞接於輪支架後端下方之凸塊上，連接板之前端穿設著連桿，而連桿之前端係樞接於固定架前側之連接座，連桿穿設於連接板前端之桿體上套設有彈簧；藉彈力組件使輔助動力輪之輪子於田間行進具有良好的著地性者。
