Positioning device for bridge pile foundation steel casing in deepwater torrent area

The utility model relates to a positioning device for a bridge pile foundation steel casing in a deepwater torrent area, which comprises a plurality of steel pipe piles arranged in a matrix and a drilling platform fixedly connected to the upper ends of the plurality of steel pipe piles, and the drilling platform is formed by connecting a platform bottom plate, a distribution beam, a bailey beam and a platform panel in sequence from bottom to top; a plurality of layers of connecting systems are arranged among the plurality of steel pipe piles which are arranged in a matrix manner; wherein the connecting system comprises an along-bridge-direction connecting system and a transverse-bridge-direction connecting system, the along-bridge-direction connecting system and the transverse-bridge-direction connecting system are the same in structure, each of the along-bridge-direction connecting system and the transverse-bridge-direction connecting system is of a support structure formed by connecting two pieces of horizo