Ship frame digital detection mechanism

The utility model discloses a ship rib digital detection mechanism, and belongs to the digital detection system technology. The system comprises a total station, a control unit, a moving target and awireless transmission module, the moving target comprises a moving trolley and a target ball, and the moving trolley comprises a trolley body, a first guide frame, a second guide frame and a lifting column; the vehicle body is arranged on the driving wheel set and can be electrically connected with the control unit through the wireless transmission module; the lifting column is arranged in the middle of the vehicle body and located in a mounting hole penetrating through the vehicle body, and the lifting column can ascend and descend relative to the vehicle body through a motor mounted in the vehicle body; the target ball is mounted at the top end of the lifting column; the first guide frame and the second guide frame are symmetrically arranged on the two sides of the vehicle body, and theends of the first guide fr