Water conservancy pipeline device for water conservancy project

The utility model relates to the technical field of water conservancy projects, in particular to a water conservancy pipeline device for water conservancy projects, which comprises two pipeline bodies, the ends of the two pipeline bodies are jointly sleeved with a same mounting ring, the mounting ring comprises a left ring cover and a right ring cover, and the corresponding ends of the left ring cover and the right ring cover are connected through a locking piece; the locking piece comprises an upper sliding groove, a communicating groove and a lower sliding groove which are formed in the end of the left ring cover and sequentially communicate with one another, the upper sliding groove and the lower sliding groove penetrate through the end face of the left ring cover, racks are slidably connected into the upper sliding groove and the lower sliding groove correspondingly, and the two racks are jointly engaged with a gear rotationally connected to the groove wall of the communicating groove. The end of the righ