On-site deformation calibration device for measuring robot automatic deformation monitoring system

The utility model discloses a field deformation calibration device for measuring an automatic deformation monitoring system of a robot. The field deformation calibration device comprises a fine adjustment platform and a prism measurement mark fixed on the fine adjustment platform, a fixing frame is arranged below the fine adjustment platform and is of a hollow frame structure, and an X-axis fine adjustment mechanism and a Y-axis fine adjustment mechanism are arranged in the fixing frame. A bearing is arranged in the center of the fine tuning platform, a rotating shaft is arranged in the bearing, external threads are arranged on the upper portion of the rotating shaft, the rotating shaft is connected with a sleeve in a matched mode, internal threads are arranged in the sleeve, and a prism measuring mark is fixedly connected to the top of the sleeve. The prism measurement mark comprises a mark frame body, and a prism is arranged in the middle of the mark frame body; and an alignment mark arrow is arranged on th