Device for fishing out rock blocks in construction process of cast-in-situ bored pile

The utility model provides a block stone fishing-out device in the construction process of a cast-in-situ bored pile. The block stone fishing-out device comprises a barrel, a supporting frame, a fishing-out mechanism and a drill rod connector. A storage cavity used for storing rock blocks is formed in the barrel, a supporting frame is fixedly connected to one end of the barrel, a first mounting block used for mounting a drill rod connector is arranged in the center of the upper surface of the supporting frame, and a fishing mechanism is arranged at the end, away from the supporting frame, of the barrel. A second mounting block used for mounting the fishing mechanism is further arranged on the inner wall of the containing cavity. The block stone fishing-out device in the cast-in-situ bored pile construction process is simple in structure and convenient and fast to install, large-particle-size block stones encountered in the pile foundation construction process can be quickly and efficiently taken out through t