Vertical multistage centrifugal pump

By introducing a motor drive mechanism into the vertical multistage centrifugal pump, the problems of inconvenient motor maintenance and shaft seal leakage are solved, achieving convenient maintenance and cost reduction.

CN224550373UActive Publication Date: 2026-07-24DALIAN LUCHENG FLUID EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DALIAN LUCHENG FLUID EQUIPMENT CO LTD
Filing Date
2025-09-30
Publication Date
2026-07-24

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Abstract

The utility model provides a vertical multistage centrifugal pump, including fixed roof, centrifugal pump shell, center pivot, fixed bottom plate, drive motor, sliding block, motor drive mechanism, jet flow shell and impeller, the lower surface of fixed roof is installed with centrifugal pump shell, the below of centrifugal pump shell is provided with fixed bottom plate, the upper surface of fixed bottom plate is installed with drive motor, the lower surface of drive motor is installed with sliding block, the inside installation of centrifugal pump shell has center pivot, this design has solved the original device motor maintenance more troublesome, and the maintenance rear pivot seal place is easy to appear the condition of leakage, leads to the problem of higher overall maintenance cost, the utility model discloses reasonable structure, through setting up motor drive mechanism, can when maintaining motor slide to centrifugal pump outside motor, thereby make maintenance more convenient, and eliminate the seal between pivot and pump shell, thereby prevent centrifugal pump after maintenance pivot seal place leak condition.
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