Large wind driven generator blade structure test fixture

The invention discloses a large wind driven generator blade structure test fixture which is composed of a bottom board, a side board and a rib board, wherein the side board is fixed on the bottom board, and the rib board is used for reinforcing the bottom board and the side board. One end of the rib board is fixedly connected with the side board, the other end of the rib board is fixedly connected with the bottom board, and the bottom board is of an arc structure. The large wind driven generator blade structure test fixture is simple in structure and convenient to use, and can effectively resolve the problem that a test frame slides down.