COMPRESSED AIR SUPPLY DEVICE OF EXCAVATOR

摘要

PURPOSE: A compressed air supply device for an excavator is provided to protect a storage unit from outdoor environment, such as falling stones, by preventing the storage unit from being exposed to the outside. CONSTITUTION: A compressed air supply device for an excavator comprises an air compressor(110), a storage unit(120), and an air gun(130). The air compressor is installed inside or outside an excavator(200) and compresses air. The storage unit is located inside a boom(231) or arm(232) of the excavator and stores the compressed air. The air gun is installed on the excavator and jets the stored compressed air to the outside.