Dry sand sampling drill

干沙采样钻

Abstract

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.
本实用新型涉及一种干沙采样钻,该采样钻的内钻把通过内钻杆连接头与内钻杆相联,内钻杆通过内钻下杆与内钻头相连,在内钻把上设有滑轮支架,滑轮支架上设有滑轮,在滑轮上绕有钢丝,钢丝通过弹簧与活动挡片相联,在内钻把外套有外钻把,外钻把通过外钻连接管与外钻头相联;本实用新型取沙样方便简便,且省力,取样可达到要求。

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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