Novel nuclear sampling system shielding bridge

The utility model discloses a novel nuclear sampling system shielding bridge. The novel nuclear sampling system shielding bridge comprises four groups of communicating assemblies and four-way assemblies, the communicating assembly comprises a pipeline with one open end and a valve connected with the open end of the pipeline, a first mounting hole is radially formed in the circumferential surface of the end, away from the open end, of the pipeline, a first needle-shaped connector is mounted in the first mounting hole, and the end, away from the valve, of the four-way assembly is connected with the open end of the four-way assembly; the four-way assembly comprises a four-way pipe and a sampling pipe, the sampling pipe is communicated with the top of the four-way pipe, a sampling cover is mounted on the surface of the top end of the sampling pipe, a second mounting hole is formed in the bottom of the four-way pipe, and a second needle type connector is mounted in the second mounting hole. According to the novel