Pipeline positioning device for water conservancy construction management

The utility model discloses a pipeline positioning device for water conservancy construction management in the technical field of water conservancy construction, which comprises a support base, a cavity is arranged in the support base, and the output end of a motor shaft of a motor penetrates through the support base and is fixedly connected with a main gear in the cavity. Wherein one threaded rod is fixedly sleeved with a driven gear arranged in the cavity, the driven gear is meshed with the main gear, the two threaded rods are fixedly sleeved with gears arranged in the cavity, the two gears are connected through a chain, the two threaded rods are sleeved with a movable plate in a threaded mode, and the top end of the movable plate is fixedly connected with an arc-shaped base. An upper arc-shaped plate is arranged at the upper end of the arc-shaped base, connecting plates are fixedly connected to the left end and the right end of the upper arc-shaped plate, and fastening screws are arranged on the connecting