Hydraulic dam rotating mechanism

The utility model provides a hydraulic dam rotating mechanism which effectively solves the problems that a hydraulic cylinder on an existing rotating dam is stressed excessively and replaced frequently. According to the technical scheme, the hydraulic dam comprises a rectangular support fixed in the front-back direction, a horizontal box body is fixed to the right side of the support, a dam body of the hydraulic dam is arranged above the box body, and the left end of the dam body is hinged to the upper end of the support; a first hydraulic cylinder is hinged to the right upper end of the box;a sliding plate is arranged in the box body, a pin is arranged on an upper side plate of the box body and can move up and down, a wedge-shaped block is arranged at the lower end of the pin, a pit is formed in the upper end of the sliding plate, a compressed spring is sleeved on the pin, and the pin moves up and down due to left-right movement of the sliding plate. A supporting plate is arranged between the dam body and th