A wave compensation crane control system for lifeboat recovery
A wave compensation and control system technology, applied in fluid pressure actuation system components, mechanical equipment, load suspension components, etc., can solve the problems of high cost, low reliability, complex equipment, etc., and achieve less heat generation and working time. Short, small hydraulic shock effect
Active Publication Date: 2019-11-26
射阳威力特船舶辅机有限公司
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Problems solved by technology
[0003] Chinese patent ZL201120135854.2 constant tension wave compensation device discloses a constant tension wave compensation device for fast wave compensation before hoisting of a heavy marine crane to select the best lifting time; but the constant tension compensation device depends on another constant tension The winch and a set of constant tension logic signal processing system are used to realize constant tension control, so there are disadvantages of complex equipment, low reliability and high cost
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Embodiment
[0016] The wave compensation crane control system used for lifeboat recovery in this embodiment, such as figure 1 As shown, it includes a two-way main oil pump 1 , a hydraulic motor 28 for hoisting a lifeboat, a two-position four-way valve 20 , a two-position three-way valve 25 and a balance valve 21 .
[0017] The first oil inlet and outlet port of the main oil pump 1 communicates with the first oil port of the two-position four-way valve 20 , the second oil inlet and outlet port of the main oil pump 1 communicates with the second oil port of the two-position four-way valve 20 , The third oil port of the two-position four-way valve 20 communicates with the oil port a of the hydraulic motor 28, and the balance valve 21 is connected in series between the third oil port of the two-position four-way valve 20 and the oil port a of the hydraulic motor 28 Between, the fourth oil port of the two-position four-way valve 20 and the control oil port of the balance valve 21 are both comm...
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The invention relates to a wavy compensating crane control system for recovering a lifeboat. The system comprises a bidirectional main oil pump, a hydraulic motor, a two-position four-way valve, a two-position three-way valve and a balancing valve; the first oil inlet / outlet of the main oil pump communicates to the first oil port of the two-position four-way valve, the second oil inlet / outlet of the main oil pump communicates to the second oil port of the two-position four-way valve, the third oil port of the two-position four-way valve communicates to the oil port a of the hydraulic motor, the balancing valve is connected in series between the third oil port of the two-position four-way valve and the oil port a of the hydraulic motor, and the fourth oil port of the two-position four-way valve communicates to the oil port c of the hydraulic motor; the first oil port of the two-position three-way valve communicates to the oil port a of the hydraulic motor, the second oil port of the two-position three-way valve communicates to the oil port b of the hydraulic motor, and the third oil port of the two-position three-way valve communicates to the oil port c of the hydraulic motor. According to the system provided by the invention, a boat fall can be tightened up or loosened when the life boat fluctuates along with waves, so that the boat fall can be kept in a tightened state all theway, and the unhooking danger is avoided.
Description
technical field [0001] The invention relates to a wave compensation crane control system for lifeboat recovery, belonging to the technical field of crane control. Background technique [0002] Due to the ups and downs of the river surface or sea surface, it will have an adverse effect on the efficiency and safety of offshore barge hoisting. Especially when the lifeboat is recovered, there will be a floating phenomenon. At this time, the lifeboat rises and falls with the waves, and it is easy to decouple and cause danger. Therefore, the wave compensation device is one of the important devices of the lifeboat crane. Cranes equipped with a wave compensation system can avoid impact due to slack ropes, reduce the impact of waves on the crane retraction process, and ensure the safety of equipment and personnel. [0003] Chinese patent ZL201120135854.2 constant tension wave compensation device discloses a constant tension wave compensation device for fast wave compensation before...
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IPC IPC(8): F15B11/17F15B13/02F15B21/0423B66C15/00
CPCB66C15/00F15B11/17F15B13/02F15B21/042
Inventor 余小兵
Owner 射阳威力特船舶辅机有限公司