Supporting device for water conservancy pipeline connecting position

The utility model discloses a water conservancy pipeline connection position support device, which comprises a base and a connection pipeline, the surface of the top end of the base is provided with a friction table, the surface of the base and the surface of the friction table are provided with a mechanism convenient to disassemble and assemble, and the surfaces of two limiting guide rails are provided with two groups of movable seats. Supporting rib plates are installed on the surfaces of the top ends of the two sets of movable bases, a limiting mechanism is installed between the supporting rib plates at the top ends of the single set of movable bases through a rotating shaft, and a fixed adjusting mechanism is installed on the outer surface of the movable base on the same side. A series of structures are arranged, the upper mounting groove is a replaceable arc-shaped connecting piece and can be selected according to the diameter of an actual connecting pipeline, the left mounting groove and the right mount