Electrodynamic type lifts test blowout preventer

The utility model relates to an electrodynamic type lifts test blowout preventer, this kind of electrodynamic type lifts test blowout preventer's prevent spray tube body and base are connected throughhigh -pressure quick -operation joint, worm gear lifting mechanism includes the worm wheel, the worm, seven word splint, electric motor, the worm wheel is through the pedestal mounting and be locatedone side of base, seven word splint one end with prevent spray tube body fixed connection, it is epaxial that the seven word splint other ends are fixed in the worm wheel card through its fixed pin hook, the worm is engaged with the worm gear, the upper end of worm is passed through the fixed pin with seven word splint and is connected, the lower extreme of worm sets up the drive connector, the base bottom is provided with the clamp, and the base passes through the pedestal mounting with the well head through clamp connection, test ground pulley, the test pulley is connected with preventing the spray tube body couplin