Get soil auger of original state soil block

The utility model discloses a get soil auger of original state soil block, it has been solved the geotome among the prior art and is difficult for having an effect, fetch earth the in -process soil body and easily drops, destroy easily the problem of the integrality of the soil body, has integrality, the degree of difficulty that reduces to fetch earth that can guarantee the soil sample, has an effect when being convenient for fetch earth, needs to carry the instrument of fetching earth specially, efficient effect fetches earth, its technical scheme does: including the soil auger body, the soil auger body includes drilling rod and chain formula drill bit, chain formula drill bit include the fixed drill bit that links to each other with the drilling rod bottom and with the detachable drillbit of connection can be dismantled to fixed drill bit, forms the type of falling U recess between fixed drill bit and the detachable drill bit, the detachable footboard of side -mounting of drillingrod, detachable footboard