Lake water multi-layer multi-point water quality monitoring and detecting device

The utility model discloses a multi-layer and multi-point water quality monitoring and detecting device for lake water, and relates to the field of water quality monitoring and detecting. An adjusting pipe is arranged at the top end of the water taking pipe, a water pumping device is installed at the top end of the adjusting pipe, a moving groove is formed in the side wall of the adjusting pipe, a pull block is installed in the moving groove, the end, located in an inner cavity of the adjusting pipe, of the pull block is connected with a check block, and the bottom end of the check block is inserted into a limiting block; a limiting block is arranged on the inner wall of the water taking pipe, and the limiting block and the water inlet hole are located on the same horizontal line. Lake water at different depths is extracted through the multi-layer water taking device for inspection, errors are reduced, the detection accuracy is guaranteed, the pull block is moved to control opening and closing of the baffle a