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.
申请公布号
CA2828008(A1)
申请公布日期
2014.03.21
申请号
CA20132828008
申请日期
2013.09.20
申请人
HARNISCHFEGER TECHNOLOGIES, INC.
发明人
HREN, WILLIAM J.;HUTSICK, JAMES M.;SEVERSON, PATRICK M.;HAWORTH, SAMUEL F.;KNUTH, JASON