Centrifugal pump limiting mechanism and disassembly, assembly and maintenance platform

The utility model discloses a centrifugal pump limiting mechanism and a maintenance platform used for dismounting, comprising a maintenance assembly which comprises a base, supporting legs arranged on the upper surface of the base, a pump body installation platform arranged on the upper surfaces of the supporting legs, a pump inlet and outlet flange placing groove arranged in the left side of the pump body installation platform, and a limiting assembly arranged on the left side of the pump body installation platform, comprising a first threaded rod, a second threaded rod arranged at the right end of the first threaded rod, and limiting blocks in threaded connection to the circumferential surfaces of the first threaded rod and the second threaded rod correspondingly. The pump body is fixed to the pump body mounting platform through the limiting assemblies and the fastening bolts, the fixing effect of the pump body is improved, then follow-up dismounting and mounting work of the pump body is facilitated, deviat