ROPE SHOVEL WITH CURVED BOOM

摘要

A mining shovel includes a digging assembly having a generally V-shaped boom including a lower connection point for attachment to the mining shovel. A first portion of the boom extends generally upwardly from the lower connection point, and a second portion of the boom is angled with respect to and extends upwardly and forwardly from the first portion. The second portion includes a distal end defining a sheave support, and a pivot element is positioned generally at a connection area between the first portion and the second portion. The digging assembly also includes a boom attachment having a first end that is pivotally supported by the pivot element and a second end that is supported by the sheave support.

主权项

1. A digging assembly comprising:
a boom including a first end, a second end, and a pivot element, a first reference line extending between the first end and the second end and defining a first distance, the pivot element defining a pivot point, the minimum distance between the pivot point and the first reference line defining an offset distance, a ratio of the first distance to the offset distance being between 4:1 and 8:1; and a boom attachment movably supported by the pivot element, the boom attachment having a first end and a second end; and a digging attachment coupled to the second end of the boom attachment.