Over-filling amount control device for bored pile construction

The utility model provides a bored pile construction overfilling amount control device. The bored pile construction overfilling amount control device comprises a pile casing, a hook, a positioning piece, a lifting plate and an indicating rod. The hook is suitable for being hung on the upper end face of a pile casing, and the positioning piece is arranged in the pile casing, connected with the hook and provided with a through hole penetrating in the vertical direction. The lifting plate is arranged in the pile casing and is provided with an avoiding hole; and the lower end of the indicating rod is fixedly connected with the upper surface of the lifting plate. During use, the pile casing needs to be coaxially installed in a preformed hole in the ground, then the lifting plate is moved up and down to the horizontal plane where the concrete over-filling position is located, and a worker observes and remembers the distance between the upper end of the indicating rod and the positioning piece at the moment; afterwa