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US 2026/0200707 A1Published application
System for hook speed control of pipelayers
AssigneeCaterpillar Inc.
InventorCurtis John Caldwell
Life of this patent
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AssigneeCaterpillar Inc.
InventorCurtis John Caldwell
Estimating the term…
A system for measuring load, from a cable, associated with a lifting hook of a lifting system such as a pipelayer is described. The system includes a load cell to detect load data describing a load on the hook and a controller configured to control a maximum hook lowering speed based on the load on the hook. The controller may determine the maximum speed by using sensor data such as temperature data as well as configuration data describing the makeup of the machine and machine components such as the types of bearings, configurations of blocks and pulleys, lubricant, and other such machine configurations to select a speed curve from a predetermined set of speed curves. The controller enables the hook to lower up to the maximum speed based on the speed curve and may also enable adjustment based on a gain setting to scale the maximum speed setting.
A system for monitoring and controlling a load on a cable associated with a pipelayer, the system comprising:
A pipelayer comprising:
A method for controlling a winch of a pipelayer, comprising:
Dependencies are inferred from the claim text.