Pressure sampling device for inner and outer spacer bushes of steam turbine

The utility model discloses a pressure sampling device for inner and outer spacer bushes of a steam turbine. The pressure sampling device comprises a pressure sampling pipe and a fixing assembly, the pressure sampling pipe comprises a plurality of straight pipe sections and bent pipe sections which are integrally formed, one of the straight pipe sections is used for penetrating through a penetrating hole in the outer cylinder wall, and the fixing assembly is used for fixing the straight pipe sections to the outer cylinder wall and sealing the penetrating hole. The pressure sampling end of the pressure sampling pipe is used for being fixed to the inner cylinder wall, and the part, located between the outer cylinder wall and the inner cylinder wall, of the pressure sampling pipe is provided with at least one bent pipe section. The pressure sampling pipe is arranged to be composed of the straight pipe section and the bent pipe section, so that the pressure sampling pipe has certain extensibility, and when the ex