Efficient rock-soil sampling equipment

The utility model provides efficient rock soil sampling equipment which comprises a stepping motor, a screw rod and a tunneling sampling assembly connected with the screw rod, the screw rod is connected with the stepping motor in a matched mode, the tunneling sampling assembly comprises a middle shaft and a spiral blade fixedly connected with the middle shaft, and a soil breaking knife is arranged at the bottom end of the spiral blade. The soil breaking knife is detachably connected with the spiral blades, the number of the spiral blades is two, and the lengths of the two spiral blades are different. The deep hole drilling machine has the beneficial effects that the power is stable and continuous, the problem that a soil layer structure is stirred due to unstable power to disturb a soil sample is solved, a deep hole can be stably drilled in a position to be sampled, and the quality of the soil sample is improved. 本实用新型提供了一种高效岩土取样设备，包括步进电机、螺杆、与螺杆连接的掘进取样组件，螺杆与步进电机配合连接，掘进取样组件包括中间轴、与中间轴固定连接的螺旋叶片，所述螺旋叶片底端设有破土刀，所述破