Power transmission line warning board with good wind-resistant effect

The utility model discloses a power transmission line warning board with a good wind-resistant effect, which comprises a fixed frame, sliding grooves I are formed in the top end and the bottom end of one side in the fixed frame, supporting base columns are fixedly connected to the two ends of the bottom of the fixed frame, a center rod penetrates through the line-to-line position of the inner side of each supporting base column, and a sinking fixing block is fixedly connected to the bottom end of each center rod. A wind shield is fixedly connected to the middle of the inner side of the fixing frame, first fixing blocks are fixedly connected to the top end and the bottom end of the side wall of one side of the wind shield, winding columns are rotationally connected to the inner sides of the first fixing blocks, and the top ends of the winding columns penetrate through the side wall of the fixing frame and are fixedly connected with rotating handles. Through the arrangement of the supporting foundation pillar,