Shaft head plug for processing super-long shaft with hollow end part

The utility model belongs to the technical field of machining, and provides a shaft head plug for machining a super-long shaft with a hollow end part, which adopts the technical scheme that the shaft head plug for machining the super-long shaft with the hollow end part comprises a connecting disc, a plug body and a loading and unloading prism, the plug body is arranged on one side of the connecting disc, and the loading and unloading prism is arranged on the other side of the connecting disc; threads are arranged on the plug body, the connecting disc, the plug body and the assembling and disassembling prism are coaxially arranged, the assembling and disassembling prism is of a polygon prism structure, a center hole is formed in the center of the top face of the assembling and disassembling prism, and a plurality of mounting holes corresponding to threaded holes in the end face of a machining shaft are formed in the connecting disc; by the adoption of the shaft head plug for machining the super-long shaft with