Flute hole sampler

The flute hole sampler comprises a sampling barrel 1, a support 2 and an adjusting plate 3, the sampling barrel 1 is a straight barrel, one end of the sampling barrel 1 is open, the other end of the sampling barrel 1 is closed, the sampling barrel 1 is obliquely arranged, the open end of the sampling barrel 1 is lower than the closed end, and a sampling hole 11 is formed in the upper side face of the sampling barrel 1. And the plurality of sampling holes 11 are uniformly distributed along the axial direction of the sampling barrel 1. The support 2 is arranged below the sampling barrel 1, and the top is connected with the sampling barrel 1. The adjusting plate 3 is strip-shaped, is arranged on the sampling barrel 1, is attached to the upper side surface of the sampling barrel 1 and is in sliding connection with the sampling barrel 1 in the axial direction, and a plurality of adjusting holes 31 are formed in the adjusting plate 3. And the plurality of adjusting holes 31 correspond to the plurality of sampling h