Zero-steering Hydraulic Drive Axle

A zero-steering hydraulic drive axle, comprising:

• a housing (1), wherein the housing (1) is internally provided with a first drive assembly (201), one end of the first drive assembly (201) is connected to an external power input device for power input, and the other end of the first drive assembly (201) is connected to an external rotation output device for power output;
• the first drive assembly (201) comprises:
• a plunger pump (301) and a plunger motor (302), one end of the plunger pump (301) is matched with the power input device to realize active rotation of the plunger pump (301), the other end of the plunger pump (301) is connected to an external oil pipe for oil feeding or supplementing, the plunger motor (302) is matched with the rotation output device, and the plunger pump (301) is conducted with the plunger motor (302) through an oil way to realize power transmission from the plunger pump (301) to the plunger motor (302).