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US 2015/0345107 A1Published application
Cutting dredger
AssigneeIHC Holland IE B.V.
InventorsMeindert ZWANENBURG, Stephan David Arjan HANNOT, Vincent Leonard TOET
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Abstract
A method for operating a cutting dredger in open water, in particular to control a ground reaction force during dredging operations, the dredger including; a floating body, an elongate cutter ladder having a cutting head at its lowerable free end for dredging, which cutter ladder is hingeably coupled to the floating body and hingeable between an upwards position and a cutting position wherein the cutting head engages matter to be cut away at the floor of a body of water.
Claims23
1-22. (canceled)
Method for operating a cutting dredger (1) in open water, the dredger comprising;
- a floating body (2),
- an elongate cutter ladder (3) having a cutting head (4) at its lowerable free end for dredging, which cutter ladder is hingeably coupled to the floating body and hingeable between an upwards position and a cutting position wherein the cutting head engages matter (5) to be cut away at the floor (6) of a body of water (7),
- a driving device (8) comprising an onboard hydraulic cylinder (8) coupled with the cutter ladder for hinging the cutter ladder between the upwards position and the cutting position, the method comprising the step;
- operating the driving device, when the cutter ladder is in the cutting position, in order to urge the cutter ladder down in a controlled manner for controlling a ground reaction force F between the cutting ladder and the bottom of the body of water.
1 more element
Dependencies are inferred from the claim text.