The invention belongs to the technical field of coal mine downhole railless auxiliary transportation equipment design and manufacturing and particularly provides a mining driving force self adoption multi-gear automatic speed changing double-motor steering drive axle. By adoption of the mining driving force self adoption multi-gear automatic speed changing double-motor steering drive axle, the problem that a mining electric drive vehicle cannot efficiently meet the demands of coal mine downhole complex and variable working conditions is solved. The steering drive axle comprises a water cooled middle double-drive anti-explosion motor, a first planetary reducing mechanism, a second planetary reducing mechanism, a differential mechanism, an axle shaft, an axle shell and an electronic control unit. The mining driving force self adoption multi-gear automatic speed changing double-motor steering drive axle simultaneously has the functions of driving, steering, automatic speed changing, active safety, travelling braking and parking braking, and mechanical control gear shifting devices, clutches, transmissions, transmission shafts, mechanical differential mechanisms and the like needed by traditional vehicles are omitted, so that a drive system and a whole vehicle are simple in structure and short in transmission chain, and transmission efficiency is improved.