Ocean floating drill platform string heave compensation device
A technology for drilling platform and heave compensation, applied in drilling equipment, underwater drilling, supporting devices, etc., can solve the problems of high manufacturing cost, large energy consumption, large drill string quality, etc., so as to limit energy consumption and avoid accidents. , Improve the effect of compensation effect
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[0019] The present invention will be further described below with reference to the drawings and embodiments.
[0020] As shown in the figure, the beam 2 is fixedly connected to the hook 1 and is connected to the fixedly connected traveling block and the compensation hydraulic cylinder 3 through a chain 5. The pressure sensor 14 is installed in the rod cavity of the compensation hydraulic cylinder 3 and the pressure sensor 13 is installed in the rodless cavity. The ratio of the piston diameter of the inner cylinder and the outer cylinder of the compound compensation hydraulic cylinder 3 is 1:3 to 1:5. The pressure sensor 13 is installed in the rodless cavity of the inner cylinder of the compound compensation hydraulic cylinder 3, and the pressure sensor 14 is installed in the rod cavity of the outer cylinder of the compound compensation hydraulic cylinder 3. The acceleration sensor 7 is fixedly connected to the platform; the inlet of the hydraulic pump 9 is connected to The fuel ta...
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