Efficient whole-rod type sugarcane combine-harvester

The invention discloses an efficient whole-rod type sugarcane combine-harvester. The combine-harvester comprises a tail removal device located on a harvester frame, two or more straightening devices with the outer roller space adjustable, two or more root cutting devices with the space adjustable, a conveying device, a loading and unloading device, a traveling mechanism with the space between a left wheel and a right wheel adjustable and a harvester frame structure with the ground clearance adjustable; the tail removal device comprises a leaf smashing roller and a leaf smashing motor driving the leaf smashing roller to rotate, leaf smashing strips and tail tip clamping rods are arranged at the peripheral circle of the leaf smashing roller alternately, and the tail tip clamping rods are used for beating away tail tips of sugarcane; each straightening device comprises a ground attachment awl and a straightening roller arranged above the corresponding ground attachment awl, each ground attachment awl scoops up t