Multi-Directional Jet Cleaning Apparatus for Steam Generator

The multi-directional jet cleaning apparatus according to claim 4, is characterized in that the transmission assembly further comprises a sub-transmission mechanism in contact with the primary and/or secondary transmission mechanism, with the sub-transmission mechanism comprising a third rotating shaft, and a sub-spur gear and a sub-bevel gear set outside of the third rotating shaft in order from top to bottom, the sub-spur gear engaging with the driving or driven spur gear, the first nozzle assembly being located on the sub-transmission mechanism accordingly, the sub-bevel gear engaging with the first nozzle bevel gear 7. The multi-directional jet cleaning apparatus according to claim 6, is characterized in that the lower cover is provided with a holding slot for accommodating a portion of the first nozzle assembly and a driving slot used for exposure of the first nozzle bevel gear, and the first nozzle bevel gear passes through the driving slot to engage with the bevel gears located at the lower end of the primary transmission mechanism, secondary transmission mechanism, and sub-transmission mechanism;

• the lower cover is provided with a set of second nozzle assemblies and two sets of first nozzle assemblies symmetrically located on both sides of the second nozzle assembly, with each set of first nozzle assembly comprising two first nozzle assemblies;
• the second nozzle transmission mechanism is located between the primary transmission mechanism and the secondary transmission mechanism, and a sensor assembly is located on the upper cover for assisting in locating the nozzles to align with the center of the pipe gap.