| 发明名称 |
RAISED COUNTERWEIGHT FOR A MINING MACHINE |
| 摘要 |
A mining shovel includes a base, a revolving frame coupled to the base and rotatable about an axis, a boom pivotally coupled to the revolving frame, a handle coupled to the boom, and a dipper coupled to the handle. The dipper has a dipper door, and is located at a front end of the shovel. A counterweight having a center of gravity is disposed at the rear end of the shovel to balance the shovel, and is supported by a truss structure that is coupled to the revolving frame, such that the center of gravity is disposed above the revolving frame. |
| 申请公布号 |
US2016230368(A1) |
申请公布日期 |
2016.08.11 |
| 申请号 |
US201514616287 |
申请日期 |
2015.02.06 |
| 申请人 |
Harnischfeger Technologies, Inc. |
发明人 |
Lee Mooyoung Lee |
| 分类号 |
E02F9/18;E02F9/14;E02F3/30 |
主分类号 |
E02F9/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A mining shovel comprising:
a base; a revolving frame coupled to the base and rotatable about an axis; a boom pivotally coupled to the revolving frame; a handle coupled to the boom; a dipper coupled to the handle at a front end of the mining shovel, the dipperincluding a dipper door;
a counterweight disposed at a rear end of the mining shovel, the counterweight including a center of gravity; and a truss structure coupled to the revolving frame, wherein the truss structure supports the counterweight such that the center of gravity is disposed above the revolving frame. |
| 地址 |
Wilmington DE US |
