Concentric positioning frame for drill rod and core pile of inclined drilling jet grouting stirring pile planting equipment

The utility model discloses a concentric positioning frame for a drill rod and a core pile of inclined drilling jet grouting stirring pile planting equipment, the shape of the cross section of the concentric positioning frame is the same as that of the cross section of an inner hole of the core pile, the concentric positioning frame is in clearance fit with the inner hole of the core pile, and a circular center hole of the concentric positioning frame is in clearance fit with the outer circumference of the drill rod; one concentric positioning frame is positioned at the inner bottom end of the core pile; concentric positioning frame axial limiting structures are arranged on the drill rods at the two ends of the concentric positioning frame; the axial limiting structure is an axial limiting ring welded on the drill rod at the two ends of the concentric positioning frame; the concentric positioning frame matched with the square hole of the steel latticed column core pile is a square frame, drill rod sleeves are