Modular hoist drum for power shovel
AssigneeCaterpillar Global Mining LLC
InventorsAruna Kinjarapu, Robin Varghese, Sivakumar Subramaniam, Tridib K. Das, Joseph A. Rapp, Narendra Thippappa, Gurbachan S. Bumraw
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Abstract
A modular hoist drum is disclosed for use with a power shovel. The modular hoist drum may have a first outer body, a second outer body, and an anchor body that are hollow and generally cylindrical. The anchor body is connected between the first outer body and the second outer body. The anchor body may include an internal anchor configured to receive a ferrule.
Claims22
A modular hoist drum, comprising a first outer body, a second outer body, and an anchor body that are hollow and generally cylindrical, wherein the anchor body is connected between the first outer body and the second outer body.
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-19. (canceled)
A power shovel, comprising:
- a machine frame;
- a boom pivotally connected at a base end to the machine frame;
- a dipper handle pivotally connected at a midpoint of the boom;
- a dipper pivotally connected to a distal end of the dipper handle;
- a rope extending over a distal end of the boom to connect to the distal end of the dipper handle;
- and
- a modular hoist drum connected to the machine frame and configured to reel in the rope, the modular hoist drum including:
- a first outer body, a second outer body, and an anchor body that are hollow and generally cylindrical, all having an outer annular surface, wherein the anchor body is connected between the first outer body and the second outer body, the anchor body comprising an internal anchor having a flat bottom surface that is non-tangential with the outer annular surface;
- a plurality of annular grooves formed within the outer annular surface of the internal anchor hoist drum;
- an end casting connected to a first end of the first outer body by way of an outer annular weld seam and having a hub extending outward in an axial direction from a center thereof;
- and
- a flange formed at a second end of the internal anchor hoist drum opposite the end casting and extending radially outward.
Dependencies are inferred from the claim text.