Multi-depth slurry sampling device for cast-in-situ bored pile

The invention provides a cast-in-situ bored pile multi-depth slurry sampling device which comprises a cylinder body, a storage cavity is formed in the cylinder body, a feeding check valve and a discharging valve are arranged in the storage cavity, a slidable piston piece is arranged in the storage cavity, a main shaft rod is further arranged, the piston piece is connected with the main shaft rod, a pulling rope is arranged at the upper end of the cylinder body, and a pulling rope is arranged at the upper end of the main shaft rod. The problem of multi-depth sampling of a pile hole of a cast-in-situ bored pile is solved, the depth of the cylinder body is controlled through the traction rope, sampling operation is achieved by pulling the inhaul cable, full coverage of sampling of slurry at different depths of the cast-in-situ pile can be achieved, the sampling operation difficulty is reduced, and the sampling efficiency and accuracy are improved. 本申请提供一种钻孔灌注桩多深度泥浆取样装置，包括缸身，缸身内设有储存腔，储存腔设有进料止回阀和排料阀，储存腔内设有可滑动的活塞件，