Library data access device

The utility model relates to the technical field of libraries, and discloses a library data access device which comprises a cabinet body, the cabinet body is fixedly installed on the upper surface of a base, the upper surface of the cabinet body is fixedly connected with a semi-cylinder, a circular groove is formed in the central axis of the semi-cylinder, the inner wall of the circular groove is rotationally connected with a T-shaped rod, and the surface of the T-shaped rod is fixedly connected with a connecting block. A sector plate is fixedly connected to the upper surface of the connecting block, a top cabinet is fixedly connected to the surface of the sector plate, and a cabinet door is rotationally installed on the upper surface of the top cabinet through hinges. Books are placed on the top cabinet, when the book cabinet needs to be used, the T-shaped rod is driven by the driving mechanism to rotate, then the connecting block is driven to rotate, the fan-shaped plate drives the top cabinet to rotate, an