HEAVY DUTY EXCAVATOR BUCKET

摘要

A heavy duty excavator bucket is constructed with an exoskeletal structure comprising coupled cast components including a lip member, opposed wing members, junction members locatable between floor and side walls and side and rear walls and a cap rail structure extending between opposed wing members about the upper periphery of the bucket to form an integral structure. Steel plate floor, side wall and rear wall members extend between adjacent exoskeletal regions. The bucket may include a cast arch member extending between opposed wing members and a cast reinforcing member extending between opposed junction members adjacent said rear wall.

主权项

1. An excavator bucket comprising:—
a generally rectangular floor, opposed side walls and a rear wall; a lip member extending transversely of a front portion of said floor, said lip member including spaced mountings for replaceable wear members; opposed wing members adjacent respective front portions of said side walls, said wing members including mountings for replaceable wear members, said wing members each including a drag rope mounting located forwardly of a front edge of said lip member; said excavator bucket characterized in that said side walls incline outwardly towards respective upper regions thereof at an angle of from 5° to 20° relative to a plane perpendicular to a plane of said floor, said excavator bucket further characterized in that a ratio of lip width to side wall height in the region of said lip member is in the range of from 2.5:1.0 to 4.4:1.0 and the ratio of the length of the floor to the width of the floor is in the range of from 0.8:1.0 to 1.6:1.0.