Loader drive axle differential bearing clearance adjusting nut anti-rotation structure

The utility model discloses an anti-rotation structure for a bearing clearance adjusting nut of a loader drive axle differential mechanism. The anti-rotation structure comprises a bearing, a differential mechanism shell, an adjusting nut, a screw and a main speed reducer shell. The bearing is installed on the right side of the differential case, and the main speed reducer shell is assembled on the outer circle of the bearing. An adjusting nut outer circle notch is formed in the outer circle of the adjusting nut; a threaded hole is formed in the main speed reducer shell; the screw is installed on the threaded hole of the main speed reducer shell, and the head of the screw is located in the outer circle notch of the adjusting nut. The locking device is simple and compact in structure, low in manufacturing and maintenance cost, convenient to install and reliable to use, and solves the problem that the locking effect on the adjusting nut is lost due to the fact that the pin falls off easily due to out-of-toleranc