High-precision seed source activity measuring support

The utility model discloses a high-precision seed source activity measuring support which comprises a funnel-shaped measuring tube body, a connecting tube is arranged at the bottom end of the measuring tube body, a reducing portion is formed on the lower portion of the connecting tube, a built-in tube extending into the measuring tube body is arranged on the reducing portion of the connecting tube, and a seed source is arranged in the built-in tube. The edge of the top of the measuring pipe body extends towards the periphery to form an annular tray, a suspension mechanism connected with the top end of the built-in pipe is arranged at the joint of the annular tray and the measuring pipe body, and the suspension mechanism comprises a plurality of suspension rods arranged at the bottom end of the annular tray and distributed at equal intervals and an adjusting lantern ring in threaded connection with the top end of the built-in pipe; according to the seed source measuring device, the built-in pipe filled with a