Tail shaft hole centering tool

The invention relates to the technical field of ship machinery, in particular to a tail shaft hole centering tool. The centering tool for the tail shaft hole comprises the base assembly, the center pipeline, the sleeve assembly and the at least three telescopic assemblies, the at least three telescopic assemblies are adopted, and the assemblies are evenly distributed relative to the outer side circumference of the center pipeline, so that the tool can have higher precision and stability; therefore, the central point of the tail shaft hole can be accurately found. The tool is simple in structure, the telescopic assembly design is adopted, adjustment can be conducted according to different sizes and positions of tail shaft holes, and the tool is suitable for hole centering work of ship tail shafts of different models and specifications. The assembly of the tool adopts the design of rotary connection, can be flexibly adjusted, is simple and convenient to operate, and greatly reduces the operation difficulty and