Multi-purpose canal combination bridge for water conservancy project

The invention discloses a multipurpose canal combination bridge for hydraulic engineering, and relates to the field of canal bridges, the multipurpose canal combination bridge comprises a floating plate body, 32 butt joint assemblies are arranged outside the floating plate body, each butt joint assembly comprises a movable long plate, the bottom surface of each movable long plate is fixedly connected with a second T-shaped block, and the outer surface of each second T-shaped block is provided with a first sliding groove. According to the multi-purpose canal combination bridge for the water conservancy project, cylindrical blocks and eight movable long plates can be combined to form waterwheel wheels, then the four cylindrical blocks are controlled to rotate in the same direction, the floating plate body is driven to move by stirring the water surface, people can control the device to run in water, and workers can conveniently inspect a canal through the device; and on the other hand, when the device is conver