Positioning and connecting device for cargo ship and connecting bridge

The utility model discloses a positioning and connecting device for cargo ships and connecting bridges, which comprises a pair of cargo ships, at least one pair of connecting bridges for sinking paving plates, at least two pairs of supporting components vertically fixed on bottom plates of the cargo ships, springboard components butted with the cargo ships and shoresides, and storage components for placing the springboard components, the storage assembly is arranged on the cargo ship; the connecting bridge comprises a bridge midship section, a bridge bow section, a bridge stern section and a connecting piece; the storage assembly comprises a pair of storage rails, a pair of butt joint rails and a sliding piece hinged to one end of the springboard assembly, the sliding piece slides to one end of the storage rails, and the springboard assembly is stored on the cargo ship. The upper portions of the pair of cargo ships are sequentially and fixedly connected through the supporting assemblies and the connecting bri