Multi-power driving positive pressure explosion-proof mechanism

The utility model discloses a multi-power driving positive pressure explosion-proof mechanism which comprises a positive pressure explosion-proof shield, the positive pressure explosion-proof shield is arranged on one side of a reduction gearbox in a sealing and covering mode, a plurality of water-cooled motors are arranged in the positive pressure explosion-proof shield, and output shafts of the water-cooled motors are connected to the power input end of the reduction gearbox. A plurality of cooling water inlet and outlet pipe nozzles and cable inlet and outlet cable gland connectors are arranged on a lower cover body of the positive pressure anti-explosion protective cover, a positive pressure controller, a differential pressure sensor and an exhaust valve are arranged on an upper cover body of the positive pressure anti-explosion protective cover, and a sealing air connecting opening is further formed in the positive pressure anti-explosion protective cover and connected with the air outlet end of an air i