Aircraft assembly positioning method based on three-dimensional laser projection

The invention relates to an aircraft assembly positioning method based on three-dimensional laser projection. The method comprises the following steps: inputting design digital-analog of a first assembly part and a second assembly part into a control computer of projection equipment to establish a simulation assembly relationship; in the coordinate system of the first assembly part, the three-dimensional contour of the second assembly part or the center of the fastener hole is projected on the assembly position of the first assembly part in a laser line mode, a tool positioner and a drilling sample plate are replaced, a line drawing positioning mode is replaced, and part positioning, fastener hole position determination and assembly inspection are completed. 本申请是一种基于三维激光投影的飞机装配定位方法，是将第一装配件和第二装配件的设计数模输入到投影设备的控制计算机中建立模拟装配关系。在第一装配件的坐标系中，将第二装配件的三维轮廓或紧固件孔中心以激光线条的形式投影在第一装配件的装配位置上，代替工装定位器、钻孔样板，取代画线定位方式，完成零件定位、紧固件孔位确定和装配检查。