Boring tool for machining long-distance ram deep hole

The utility model belongs to the technical field of machining boring tools, and particularly relates to a boring tool for machining a long-distance ram deep hole. The utility model has the advantages of high processing precision, good product coaxiality and low processing cost. The device comprises a frame sleeve and a wall hanging tool, and is characterized in that the frame sleeve comprises an insertion body matched with a fine boring hole in the front end of the ram, an end plate is arranged at the end of the insertion body, and the end plate is attached to the end face of the front end of the ram; first mounting holes matched with a boring cutter rod are formed in the centers of the end plate and the inserting body; the hanging wall tool comprises a horizontal lap joint plate, a fixed pressing block is arranged on one side of the horizontal lap joint plate, a jacking pressing block is arranged on the other side of the horizontal lap joint plate, and a jacking screw is arranged in the jacking pressing bloc