Prefabricating device and method for prefabricated bridge hollow pipe prefabricated pier column

The invention relates to an assembly type bridge hollow pipe prefabricated pier column prefabricating device which comprises a pier column formwork mechanism, a formwork support mechanism and a formwork driving mechanism, and the pier column formwork mechanism comprises a pier column formwork plate which is of a hollow column structure; the formwork support mechanism comprises a support, and the pier column formwork plate is horizontally and axially arranged on the support in a rotating mode. The formwork driving mechanism comprises a driving motor and a transmission device, and the transmission device is in transmission connection with the driving motor and the pier column formwork and used for driving the pier column formwork to axially rotate on the support. According to the prefabricated device for the prefabricated bridge hollow pipe prefabricated pier column, design is novel, operation is easy and convenient, the bridge hollow pipe prefabricated pier column is prefabricated transversely and is not limit