A high strength lathe center frame for producing automobile semi -axle

The utility model provides a high strength lathe center frame for producing automobile semi -axle which characterized in that: the right side of arc support is rotated with arc pedestal's right side through the pivot and is connected, is provided with the locking screw rod on the pedestal of arc pedestal left side, is provided with U -shaped locking groove on the pedestal of arc support left side,and the cooperation of locking screw rod sets up at U -shaped locking inslot, and arc pedestal closes with arc bracket fastening and forms the ring structure, evenly distributed is provided with a plurality of supporting seats on arc pedestal and arc bracket fastening close the the ring structure of formation, establish first cavity in every supporting seat, the extending direction of first cavity is crossing with the ring structure's center, sliding fit is provided with the pedestal in the first cavity, the pedestal is equipped with the gyro wheel seat towards the ring structure's central axis direction's one end, i