Height detection device for suspension bridge open caisson mud suction

The invention belongs to the technical field of open caisson platform mud suction, and particularly relates to a height detection device for suspension bridge open caisson mud suction. The height detection device comprises an open caisson platform, the upper surface of the open caisson platform is fixedly connected with a supporting column, and the upper surface of the supporting column is fixedly connected with a limiting sliding plate and a middle sliding plate; an axial movement adjusting device is arranged in the limiting sliding plate and the middle sliding plate and longitudinally moves on the upper surface of the open caisson hole, and a radial movement adjusting device is arranged on the surface of the axial movement adjusting device and radially moves on the upper surface of the open caisson hole; and a mud suction device is arranged on the lower surface of the radial movement adjusting device, and in the moving process of the mud suction device, mud on the inner bottom wall of the open caisson hole