Adjustable underwater riprap auxiliary device

The utility model relates to the technical field of underwater riprap assisting, in particular to an adjustable underwater riprap assisting device. An adjustable underwater riprap auxiliary device comprises a ship body, an adjusting assembly and an auxiliary assembly connected with the adjusting assembly are arranged at one end of the ship body, and the adjusting assembly comprises a sliding block in sliding connection with the ship body, a connecting frame penetrating through the sliding block and in sliding connection with the sliding block and a hydraulic cylinder rotationally connected with the connecting frame. A first driving assembly is arranged between the sliding block and the ship body, a second driving assembly is arranged between the connecting frame and the sliding block, the auxiliary assembly comprises a feeding hopper, a second connecting pipe and a guide pipe, and a supporting rod connected with the feeding hopper is arranged at one end of the hydraulic cylinder. The length, the height, the p