Self-adaptive pier scouring protection device based on water flow direction and flow speed

The invention discloses a self-adaptive pier scouring protection device based on water flow direction and flow speed, and relates to the technical field of pier scouring prevention. According to the technical key points, the device comprises a bridge pier body, the bottom of the bridge pier body is sleeved with a first rotating ring, the first rotating ring is fixedly connected with the bottom of the bridge pier body, the first rotating ring is rotationally connected with a second rotating ring, the bridge pier body is sleeved with the second rotating ring, the peripheral side of the second rotating ring is fixedly connected with a plurality of first flow baffles, a second flow baffle is arranged at the top of each first rotating ring, the peripheral side of the second flow baffle is fixedly connected with a flow guide plate, and an adjusting piece is arranged between the second flow baffle and the second rotating ring. The device has the advantages that: the flowing speed and the flowing direction of water f