Method and system for correcting and checking flexible pin planetary transmission gear of wind power gear box

The invention discloses a method and system for correcting and checking a flexible pin planetary transmission gear of a wind power gear box, and the method comprises the steps: carrying out equivalent torque calculation by an LDD load spectrum, and calculating a modification acting force according to the equivalent torque; according to the modification acting force, calculating the spiral modification amount and the reverse slope modification amount for tooth direction modification checking of a sun gear and a planet gear of the planetary transmission gear, carrying out spiral modification on the sun gear according to the spiral modification amount, and reverse slope modification and drum modification on the planet gear according to the reverse slope modification amount and the total deviation of the spiral line of the planet gear; and calculating the deformation of the sun gear, the inner gear ring and the planet gear in the tooth height direction in the meshing process of the planetary transmission gear acc