The invention discloses an
underwater riprap device.The
underwater riprap devicecomprises a cargo box, asupport
assembly, and afixing
assembly, wherein the cargo box is composed of a pair of box bodies, the box bodiesare opened at the top, the bottom, and the opposite sides and connected by front and rear connecting plates, hang rings are arranged on the box bodies, and the bottomsof the box bodiesarerotatably connected with a pair of bottom plates; the support
assembly comprises a first support plate and a second support plate, the first support plate and the second support plate arearrangedoutsides the side walls of the box bodies and connected with the bottom plates, and a roller is arranged between the first support plate and the second support plate;the fixing assembly comprises a third rotating shaft, guide pulleys, and a rotating plate, the third rotating shaft and the guide pulleys are arranged on the side walls of the box bodies,the rotating plate can rotatably sleeve the third rotating shaft, the third rotating shaft is horizontally arranged and positioned higher than a second rotating shaft, a circular arc-shaped sliding groove is formed in the bottom end of the rotating plate, the roller is in contact with a track in the sliding groove and can slide along the track in the sliding groove,a pull ring is arranged in the sliding groove, a pull
rope is arranged in the pull ring, the guide pulleysare rotatably arranged on the side walls of the box bodiesand located obliquely above the third rotating shaft, and the pull
rope moves through the guide pulleys. The
underwater riprap deviceis high in transportation efficiency and longin service life.