Marine double-layer vibration isolation centrifugal pump with good vibration reduction effect

The utility model discloses a marine double-layer vibration isolation centrifugal pump with a good vibration reduction effect, which belongs to the technical field of centrifugal pumps and is characterized in that upper-layer vibration isolators are arranged at four corners of the top of a vibration isolation support, a lengthened shaft motor is mounted on one side of the centrifugal pump, and a bracket sealing pump cover component is mounted at the output end of the lengthened shaft motor; a column rib bottom plate assembly is arranged on the vibration isolation supporting assembly, the upper-layer vibration isolator is used for connecting the centrifugal pump and the double-layer vibration isolation support, the lower-layer vibration isolator is used for connecting the whole pump set and a ship body installation base, an inlet of the centrifugal pump faces downwards, an outlet of the centrifugal pump is formed in the middle of the side face, and the rotating speed of the pump set is 2950 r/min. Measurement