Rotatable axle housing drilling tool

The utility model discloses a rotatable axle housing drilling tool which comprises a base, a rotating seat is arranged on the top of the base through a center rotating shaft, a machining tool is fixed to the top of the rotating seat, an L-shaped support is fixed to the upper portion of the rear end of the base, and an electric telescopic rod is arranged on the top of the L-shaped support. The axle housing is fixed to the bearing table through the jacking mechanism, the air cylinder and the motor are driven to conduct drilling operation on the axle housing through the drill bit, when drilling machining needs to be conducted on other parts, the machining tool is directly rotated through the rotating base at the bottom of the machining tool, then the axle housing is driven to rotate, and if the axle housing cannot be drilled after rotating, drilling operation is conducted on the axle housing. By rotating the threaded rod, the threaded rod drives the supporting plate to move front and back through the threaded ho