Drive axle housing

The utility model discloses a drive axle housing which comprises an axle housing body and an axle tube, a connecting block is arranged on the axle tube, the connecting block is fixedly connected with the axle tube, a fixing assembly is arranged on the axle housing body, the fixing assembly comprises a fixing plate, and when the axle tube and the axle housing body are connected and fixed together in the using process, the fixing plate is fixedly connected with the axle tube. The connecting block on the shaft tube is placed between the two positioning blocks, then the handle is rotated to drive the first threaded shaft to rotate, the first threaded shaft drives the second threaded shaft to rotate through the connecting shaft, the first threaded shaft and the second threaded shaft respectively drive the threaded blocks to slide, the threaded blocks drive the positioning blocks to move, and the positioning blocks are inserted into the grooves of the connecting block. The connecting block is fixed in a limited mod