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US 12,188,202 B2Granted
Walking system with replaceable wear surfaces
AssigneeCaterpillar Global Mining LLC
InventorDavid S. Austin
Life of this patent
Estimating the term…
Abstract
A cam frame assembly for a walking system includes a plurality of frame components. The frame components include an upper frame, a lower frame, a front guide frame, and a rear guide frame. At least one of the frame components includes a replaceable wear surface. The replaceable wear surface is an insert retained within a notch in the frame component.
Claims20
A cam frame assembly for a dragline walking system, configured to surround a cam and a cam post, comprising:
- a plurality of frame components, the frame components including
- an upper frame;
- a lower frame;
- a front guide frame;
- and
- a rear guide frame;
- at least one of the plurality of frame components having a replaceable wear surface, the replaceable wear surface being an insert retained within a notch in the at least one of the plurality of frame components.
4 more elements
A walking system for a dragline, comprising:
- a motor;
- a shaft driven by the motor;
- an eccentric cam mounted to the shaft on a first side and having a cam post and extending from a second side, the cam post having a roller;
- a cam frame assembly configured to follow the cam, the cam frame assembly having a plurality of frame components, at least one of the plurality of frame components having a trapezoidal notch and an insert configured to fit within the notch;
- and
- a shoe platform attached to the cam frame assembly.
3 more elements
A dragline, comprising:
- a body;
- a base assembly supporting the body;
- a boom assembly supported by the body;
- a bucket assembly supported by the boom assembly;
- and
- a walking system duplicated on each side of the dragline, and configured to move the dragline, the walking system having:
- a motor,
- a shaft driven by the motor and extending into the body,
- an eccentric cam mounted to the shaft on an inner surface of the cam, the cam having a cam post with a roller extending from an outer surface of the cam, and
- a cam frame assembly configured to follow the cam, the cam frame assembly having a plurality of frame components, at least one of the plurality of frame components having a replaceable wear surface.
7 more elements
Dependencies are inferred from the claim text.