Automobile shaft assembly of high rotational speed, high efficiency transmission moment of torsion

The utility model discloses an automobile shaft assembly of high rotational speed, high efficiency transmission moment of torsion, including transmission shaft, rzeppa universal joint, dust cover, fixing device, conveying axle, jackshaft, axle sleeve, its characterized in that: conveying axle both ends all are equipped with the axial trough, are equipped with a plurality of one -tenth circular array's draw -in groove on the inner wall of axial trough, are all installing the baffle at the both ends of conveying axle, are equipped with the draw -in groove and the fixed slot of the circular permutation of a plurality of one -tenth on the baffle, the fixing device of two mutual symmetries at the equal fixed mounting in the both sides of axle sleeve to the axle sleeve suit on the transmission shaft, wherein fixing device comprises couple, spring, fixed block, slide, fixed plate, guide arm, wherein links up with the fixed mounting ski, is equipped with the shifting chute on the fixed plate,is equipped with the slid