Reinforced cross shaft structure

The utility model provides a reinforced cross axle structure which comprises four planetary gear shafts and a reinforcing seat, a part of axle body is cut off from the first end of each planetary gear shaft in the axial direction to form a semicircular boss and a half groove corresponding to the boss, the reinforcing seat is provided with at least two connecting holes which are perpendicular to each other, and the connecting holes are connected with the reinforcing seat. The reinforcing seat is provided with a connecting hole, the connecting hole penetrates through the reinforcing seat and conducts two opposite side walls of the reinforcing seat, the first ends of the four planetary gear shafts penetrate through the connecting hole and are connected through mutual limiting of bosses and half grooves to form a cross shaft structure, and the second ends of the four planetary gear shafts are all in clearance fit with a driven gear of the main speed reducer. The defects that in the prior art, a split type cross s