Integrated active and passive composite heave compensation device and working method thereof
A heave compensation and active compensation technology, which is applied in fluid pressure actuation devices, transportation and packaging, equipment for reducing ship motion, etc., can solve problems such as internal instrument failure and equipment instability, and achieve dynamic load suppression and smooth switching , strong portability
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Example Embodiment
[0043] Example 1:
[0044] An integrated active and passive composite heave compensation device, including an active compensation system, a passive compensation system and a control drive module.
[0045] The active compensation system includes a main pump unit, a first hydraulic cylinder, and a second hydraulic cylinder. The control drive module is used to receive sea state signals and feedback signals and control the main pump unit. The main pump unit is connected to the first hydraulic cylinder, and the main pump unit is used for Control the flow and pressure of the first hydraulic cylinder and feed back the information of the first hydraulic cylinder to the control drive module; the oil outlet of the first hydraulic cylinder is connected to the oil inlet of the second hydraulic cylinder through the oil circuit; the oil of the two hydraulic cylinders The movement direction is opposite, which can realize active heave compensation.
[0046] The passive compensation system includes ...
Example Embodiment
[0047] Example 2:
[0048] An integrated active and passive composite heave compensation device. Its structure is as described in Example 1. The difference is that the number of gas cylinders is three, namely the first gas cylinder, the second gas cylinder, and the second gas cylinder. Three gas storage bottles, the first gas storage bottle is provided with a first air inlet and a first air outlet, and the gas-liquid outlet of the gas-liquid accumulator is connected with the first air inlet through a pneumatic pipeline.
[0049] The second gas storage bottle is provided with a second gas port, the third gas storage bottle is provided with a third gas port, and the second gas port and the third gas port are respectively connected with the first gas outlet through a pneumatic pipeline. Set up three relatively independent gas cylinders, which can be selected according to the actual situation, and the second and third gas cylinders are optional.
Example Embodiment
[0050] Example 3:
[0051] An integrated active and passive composite heave compensation device. Its structure is as described in Embodiment 2. The difference is that an on-off valve is provided on the pneumatic pipeline between the second air port and the first air outlet. An on-off valve is provided on the pneumatic pipeline between an air outlet. When the second or third gas cylinder is needed, open the on-off valve on the corresponding pipeline; when the second or third gas cylinder is not needed, close the on-off valve on the corresponding pipeline. The first gas tank is working.
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