Protecting device for pile hole of hit PHC (prestressed high-strength concrete) pipe pile

The utility model discloses a pile hole protection device for a hit PHC (prestressed high-strength concrete) pipe pile, which belongs to the field of pipe pile protection and comprises transverse ribs and longitudinal ribs, the longitudinal ribs are mounted above the transverse ribs, the longitudinal ribs are perpendicular to the transverse ribs, a plurality of groups of longitudinal ribs and transverse ribs are arranged at equal intervals, and the transverse ribs are placed on the pipe pile; limiting columns are installed in the pile holes, the limiting columns are suitable for limiting the positions of the transverse ribs on the pipe pile, and the distance between the multiple sets of longitudinal ribs is suitable for being smaller than 3 cm. The pipe pile hole is conveniently blocked, the distance is reduced, and the occurrence probability of personal injury accidents is reduced. 本实用新型公开了一种已施打的PHC管桩桩孔防护装置，属于管桩防护领域，包括横向筋和纵向筋，所述纵向筋安装在横向筋的上方，所述纵向筋与横向筋相互垂直，所述纵向筋和横向筋均设置有多组且等间距设置，所述横向筋放置在管桩上；位于桩孔内安装有限位柱，所述限位柱适于限