The utility model provides an edge of a wing train prevents gnawing rail device which includes: frame, one side have the race that is used for imbedding the train edge of a wing, and the both sides wall of race is inside wall, lateral wall respectively, the inside wall inboard is located to the clamp plate, the inside wall outside is located to the driving plate, and the clamp plate is connected with the linkage with the driving plate, the transfer line, one end is articulated with the driving plate, the swivel mount is Y shape, and first end is articulated with the other end of transfer line, and the outside of lateral wall is rotationally located to the second end, the lateral wall inboard is located to the board that resets, the lateral wall outside is located to connecting plate, one end, the connecting plate outside is located to the connecting rod, and one end is connected with the third end of swivel mount, the connecting plate outside is located to the rotary rod, and one end is articulated with the other end of connecting rod, the connecting plate outside is located to the auxiliary connecting rod, and one end is articulated with the rotary rod, the driving ring, in the embedding lateral wall, one end is articulated with the other end of auxiliary connecting rod, and the board that resets is replaced to the other end, multiple part outside the connecting plate is symmetrical structure and arranges. The utility model discloses can prevent the wheel incline.