| 摘要 |
The present invention relates to an excavator, which is construction machinery, and in particular, to a bucket rotating device of an excavator, which has a left-right rotator in a connection part of an arm and a bucket and is able to rotate the bucket to left and right. According to the present invention, the connection part of the arm and the bucket has a left-right rotator capable of rotating the bucket to left and right. The left-right rotator comprises a fixing structure (210) attached to the arm in the upper side and having a cylindrical guide bracket in the back and forth direction formed in the lower side; a rotary structure having a rotary bracket rotating to left and right in the state of being inserted into the guide bracket, formed in the upper side, and connected to the bucket in the lower side; and a fixing tool fixing the fixing structure and the rotary structure. |
