Axle housing of automobile drive axle

The utility model provides an axle housing of an automobile drive axle. The axle housing comprises an axle housing body, the axle housing body comprises a middle part and end parts at the two ends of the middle part; a through fixing hole is formed in the middle part, and a cavity is formed in the middle part; a plurality of reinforcing ribs extending along the axis of the fixing hole are arranged in the cavity. According to the axle housing of the automobile drive axle, the reinforcing ribs are arranged in the cavity of the middle part of the axle housing body of the axle housing of the automobile drive axle, and in some embodiments, the connecting sections of the middle part and the end parts are arranged to be fillets capable of unloading a part of stress; by adjusting the positions and the number of the reinforcing ribs, the sizes of the round corners and the like, the strength of the automobile drive axle housing is increased, the bearing capacity of the drive axle housing is improved, on the basis, the