Grouting device for pouring fiber composite concrete in pile foundation

The grouting device for pouring the fiber composite concrete in the pile foundation comprises a grouting pipe, the lower end of the grouting pipe is connected with a grouting head which is arranged in an inner cavity of a reinforcement cage during use, and the grouting pipe is connected with a first branch grouting pipe and a second branch grouting pipe which are located on the upper side of the grouting head. The first branch grouting pipe and the second branch grouting pipe are rotationally connected to the front side and the rear side of the grouting pipe correspondingly, and the first branch grouting pipe is provided with a first grout outlet which is obliquely arranged downwards from right to left and used for penetrating through a gap between two adjacent vertical steel bars to stretch out to the left side of a steel reinforcement cage. The second branch grouting pipe is provided with a second grout outlet which is obliquely arranged downwards from left to right and used for penetrating through the gap