Rotary and stable energy-dissipating type offshore lifesaving device

Abstract

The invention discloses a rotary and stable energy-dissipating type offshore lifesaving device which comprises a floating plate, a lifesaving cabin, a sealing assembly, rotating blades, a positioningring and rotating shafts. A plurality of lower semicircular grooves are formed in the upper end of the periphery of the floating plate, and a plurality of upper semicircular grooves are formed in thelower end of the positioning ring; the positioning ring fixedly covers the upper end of the periphery of the floating plate, and the upper semicircular grooves and the lower semicircular grooves are in butt joint to form circular cavities; an annular gap is formed between the edge of the lower end of the positioning ring and the edge of the upper end of the floating plate; the annular gap is communicated with the circular cavities, one ends of the rotating shafts are rotationally connected in the circular cavities, and the other ends of the rotating shafts extend out of the annular gap and then are fixed to the centers of the rotating blades. The conversion of the pushing force is realized, the overturning risk of the lifesaving cabin is effectively avoided, and the stable performance of the lifesaving cabin is improved.

Description

technical field [0001] The invention relates to a rotating energy-consuming stable marine lifesaving device. Background technique [0002] At present, when a shipwreck occurs, people generally escape by taking a small boat on a passenger ship or by wearing a life jacket. In seawater, many passengers may be killed before the arrival of the lifeguards, so it is necessary to develop a lifesaving cabin. The current lifesaving cabin has been developed, but the opening and closing structure at the upper end of the lifesaving cabin is made of It is not ideal. Generally, an airbag is installed at the bottom of the rescue cabin, but the airbag is easy to be broken after being hit, causing danger; now it is usually connected to the upper end of the cabin through a connecting cover. In addition, due to contact with seawater or even immersion, Sometimes the connection cover and the cabin will be rusted and blocked, making it difficult to open and cause safety hazards. Therefore, the op...

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Problems solved by technology

[0002] At present, when a shipwreck occurs, people generally escape by taking a small boat on a passenger ship or by wearing a life jacket. In seawater, many passengers may be killed before the arrival of the lifeguards, so it is necessary to develop a lifesaving cabin. The current lifesaving cabin has been developed, but the opening and closing structure at the upper end of the lifesaving cabin is made of It is not ideal. Generally, an airbag is installed at the bottom of the rescue cabin, but the airbag is easy to be broken after being hit, causing danger; now it is usually connected to the upper end of the cabin through a connecting cover. In addition, due to contact with seawater or even immersion, Sometimes the connection cover and the cabin will be rusted and blocked, making it difficult to open and cause safety hazards. Therefore, the opening and closing methods and safety of the existing marine lifesaving devices are not high. In addition, sometimes the sea wind is strong, and the lifesaving cabin will fluctuate or even overturning, which will lead to serious safety hazards, so it is also necessary to develop a system that can effectively prevent overturning caused by wind

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