POWER SHOVEL AND ITS ATTACHMENT

摘要

PROBLEM TO BE SOLVED: To provide a power shovel capable of providing a compactor (attachment) for compacting the soil with a bucket function and simplifying a hydraulic actuation mechanism of a coupler for exchanging the attachment. SOLUTION: The attachment is mounted on a tip of an arm through the coupler for exchanging the attachment, and a bucket is demountably mounted on the compactor for compacting the ground. The power shovel is provided with a hydraulic cylinder with the grease injected by a grease gun as a driving source of the attachment gripping arm forming the coupler for exchanging the attachment.