Safety rest stand for dredge pipe for open caisson

The invention provides a safe rest stand for a dredge pipe for an open caisson, which comprises a main beam fixedly connected to the top of a partition wall of the open caisson; the limiting device is arranged at the two ends of the main beam and comprises a fixed clamping plate and a limiting clamping plate; a limiting hole is formed by the fixing clamping plate and the limiting clamping plate, a protruding check block is outwards formed on the top of the dredge pipe in the radial direction, and the outer diameter of the limiting hole is larger than the outer diameter of the dredge pipe and smaller than the outer diameter of the check block. The safety rest stand for the dredge pipe for the open caisson comprises a first support with one end fixedly connected to the side wall of a partition wall of the open caisson, and a limiting device arranged at the other end of the first support and comprising a fixing clamping plate and a limiting clamping plate. The dredge pipe is arranged on the main beam, the limiti