Control rod water drive pump

The utility model provides a control rod water drive pump, includes the pump body, impeller, stator, final stage stator, motor heat screen, electric motor rotor, a motor frame section of thick bamboo, upper guide bearing subassembly, lower guide bearing subassembly, balance drum, chuan gang, axle sleeve etc. Motor frame section of thick bamboo outer wall on set up water spiral coil cooling tube, set up the lubricated upper guide bearing subassembly of water at electric motor rotor's last position, set up the lubricated lower guide bearing subassembly of water at electric motor rotor's lower position, electric motor rotor installs in the motor heat screen, with wear the thick stick, the second nut is connected anterior segment parts and motor heat screen and fasten, puts into the pump body with above -mentioned assembly, the motor wire box is installed on the right side of a motor frame section of thick bamboo, fixes the lower tip at electric motor rotor with the third nut. The utility model discloses a compac