Sectional type ice pillar sampling device

The invention discloses a sectional type ice pillar sampling device. The device comprises an outer fixing sleeve, a fixing frame, a sectional type inner sleeve and an upper sealing cover, the outer fixing sleeve is a pipe body with a pipe cavity which is through up and down; a lower baffle plate is arranged at the lower end of the outer fixing sleeve; a plurality of separation blade holes are formed in the non-central position of the lower separation blade; the top end of the cavity is a level line; the upper sealing cover detachably covers the upper end of the fixed sleeve; the upper end of the pipe cavity is sealed; the sectional type inner sleeve is provided with an inner cavity which is through up and down, a sleeve ring is arranged at the upper end of the sectional type inner sleeve,a sleeve groove is formed in the lower end of the sectional type inner sleeve, a plurality of water through holes are formed in the non-center position of the cutting disc, and the sectional type inner sleeve can be inserted