Dry sand sampling drill



The utility model relates to a dry sand sampling drill, an inner drill handle of which is connected with an inner drill rod by an inner drill rod coupling head. The inner drill rod is connected with an inner drill bit by an inner drill lower rod. The inner drill handle is provided with a pulley wheel support frame which is provided with a pulley wheel. The pulley wheel is wound with steel wires which are connected with a movable guard sheet by a spring. The outer side of the inner drill handle is sheathed with an outer drill handle which is connected with an outer drill bit by an outer drill connecting pipe. The sand sampling of the utility model is convenient and simple, and can save labor. The sampling can achieve the requirements.




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    CN-104535362-AApril 22, 2015青岛农业大学一种适用于干燥沙地的取土钻