Cleaning device with tubular clamping mechanism for maintenance of nuclear power plant pump

The utility model discloses a cleaning device with tubular clamping mechanisms for maintenance of a nuclear power plant pump, which belongs to the technical field of cleaning devices and comprises a horizontal table, supporting legs are fixed on the periphery of the bottom end of the horizontal table, a through hole is formed in the horizontal table, a water receiving frame is fixed at the bottom end of the horizontal table, and the clamping mechanisms are symmetrically arranged at the upper end of the horizontal table. A pipe fitting is arranged above the horizontal table; the clamping mechanism comprises a vertical plate, a rotating plate, a groove, an electric push rod, a moving block, a clamping block, a water pipe, a spray head, a T-shaped pipe, a hose, a driven gear, a driving motor, a driving gear and a connecting pipe; according to the device, the clamping plates can be used for clamping the tubular part from the inner surface or the outer surface of the tubular part, when the two clamping plates clam