CONCRETE BUCKET AIR SUPPLY DEVICE

PROBLEM TO BE SOLVED: To provide a concrete bucket air supply device capable of efficiently supplying compressed air. SOLUTION: This concrete bucket air supply device includes an air feed pipe bracket 16 movably attached to a traveling truck 5, an air cylinder 30 for driving the air feed pipe bracket 16, an air feed pipe guide 21 installed in such a way as to be movable in the direction crossing the air feed pipe bracket 16, a return spring 25 activating the air feed pipe guide 21, a pedestal bracket 32 vertically movably attached to a concrete bucket 2, a return spring 38 activating the pedestal bracket 32, an air feed pipe 27, and an air feed pipe pedestal 40 which can be fitted to the air feed pipe 27, with the air feed pipe 27 pivoted on the air feed pipe guide 21, and with the air feed pipe pedestal 40 attached to the pedestal bracket 32. The air feed pipe 27 is provided with an electromagnet 45 which can attract the pedestal bracket 32.