PILE-DIAMETER POSITIONING DEVICE FOR PILE-DRIVER OR EXCAVATOR

摘要

PROBLEM TO BE SOLVED: To provide a pile-diameter positioning device, by which a pile diameter is positioned in response to various kinds of pile-diameter changes without requiring the exchanging works of an anvil. SOLUTION: In the pile-diameter positioning device for the pile-driver or the excavator, the positioning device for the pile-driver capable of being corresponding to several kinds of pile-diameter changes has an anvil 3 being fixed at the lower end of a hammer 2 and being capable of being installed to a plurality of pile-diameter head sections and a guide 4 being fixed to the pile-driver and pinching and sliding a pile 5.