Excavator bucket device of excavator

The utility model provides an excavator bucket device of an excavator, which comprises an excavator bucket body, and the excavator bucket body is provided with a hinge piece connected with a mechanical arm of the excavator; a tooth holder is fixedly connected to the lower end of the bucket body, bucket teeth are detachably installed on the left side and the right side of the tooth holder through bolts, and the two bucket teeth are arranged oppositely and symmetrically. The bucket teeth are arranged on the left side and the right side respectively, the bucket device of the structure can excavate the side wall and the arch springing part of the tunnel, a manual excavation method does not need to be additionally adopted for construction, and therefore construction safety and construction efficiency are improved. When the excavator bucket device is used, a tunnel left side wall and a left side arch foot area are excavated on a tunnel face through one bucket tooth; after the construction iscompleted, excavating a