Air injection-air bag combined type submarine floating icebreaking device and method

Abstract

The invention provides an air injection-air bag combined type submarine floating icebreaking device and method, and belongs to the field of ship equipment. The problem that in the prior art, when a thick ice layer is subjected to ice breaking, a more effective method still needs to be used for achieving ice breaking, and consequently the ice breaking efficiency is low is solved. The submarine comprises a submarine main body and a navigation bridge, the navigation bridge is installed on the submarine main body, a retractable air injection device is installed in the navigation bridge, an air storage cabin is installed in the submarine main body, and a left front side retractable air bag and a right front side retractable air bag are symmetrically installed on the front side of the submarine main body; a left rear side retractable air bag and a right rear side retractable air bag are symmetrically installed on the rear side of the submarine body, and the left front side retractable air bag, the right front side retractable air bag, the left rear side retractable air bag, the right rear side retractable air bag and the retractable air injection device are all connected with the air storage cabin through air transmission pipelines. The device is mainly used for assisting in icebreaking when the submarine floats upwards.

Description

Technical Field

[0001] The present invention belongs to the field of ship equipment, and in particular relates to a jet-airbag combined submarine surfacing icebreaking device and method. Background Art

[0002] With global climate change and the gradual melting of Arctic sea ice, the competition for economic interests and geopolitical games in the Arctic region are becoming more intense, especially in terms of resource exploitation and waterway competition. The strategic position of the Arctic will become more prominent. The ice layer is gradually thinning, the sea ice is melting faster, and the ice and snow cover is shrinking rapidly. This change in the natural environment has also created more favorable conditions for submarines to break through the ice and surface.

[0003] The process of a submarine surfacing and breaking ice is significantly different from the collision-type icebreaking principle of an icebreaker. An icebreaker collides with the ice layer and relies on its own gravity to crack the ice layer, while a submarine breaks ice vertically from the bottom of the ice layer. This process requires the submarine to have special design and operation skills. First, the submarine must determine a suitable icebreaking location before surfacing and breaking ice. Generally speaking, a submarine will choose a location where the ice layer is thinner or cracks already exist to break ice, using natural cracks to reduce the difficulty of icebreaking. During this process, the submarine will use radar or satellite remote sensing technology to identify the thickness and cracks of the ice layer and choose the best surfacing location.

[0004] When a submarine is ready to surface and break the ice, it first needs to retract protruding components such as the radar mast and periscope to avoid structural damage when impacting the ice. Then, the submarine gradually surfaces by increasing its buoyancy. The submarine usually uses compressed air to discharge water in the ballast tank to increase buoyancy, allowing the submarine to move upward. When the submarine surfaces, the buoyancy will continue to increase until the submarine can crack the ice with enough force.

[0005] When encountering thicker ice, the submarine must surface slowly and steadily to avoid damage to the structure due to surfacing too quickly. During the surfacing process, the submarine will control the buoyancy and surfacing speed to ensure that the ice can be gradually squeezed and cracked. Through this process, the submarine will eventually break through the ice and successfully surface. In order to ensure the smooth progress of the icebreaking process, submarines usually reinforce key parts, including the command tower shell, tail rudder and other structures. These parts must be able to withstand the huge pressure from the ice. At the same time, the submarine's outer shell is usually specially designed to enhance its pressure resistance and ice impact resistance to cope with the pressure of the ice and the impact force when the submarine breaks the ice.

[0006] Although some countries have accumulated rich experience in submarine icebreaking and surfacing technology, they still face challenges in different ice conditions, icebreaking efficiency and safety. When breaking through thicker ice, they still need to rely on more effective methods to achieve icebreaking. Summary of the Invention

[0007] In view of this, the present invention aims to propose a jet-airbag combined submarine surfacing icebreaking device and method to solve the problem in the prior art that when facing thick ice layers, more effective methods still need to be relied upon to break ice, resulting in low icebreaking efficiency.

[0008] To achieve the above object, the present invention adopts the following technical solutions: A jet-airbag combined submarine surfacing icebreaking device comprises a submarine body and a control panel, wherein the control panel is mounted on the submarine body and a retractable jet device is mounted in the control panel; an air storage compartment is mounted in the submarine body; a left front retractable airbag and a right front retractable airbag are symmetrically mounted on the front side of the submarine body; and a left rear retractable airbag and a right rear retractable airbag are symmetrically mounted on the rear side of the submarine body.

[0009] Furthermore, the left front collapsible airbag, the right front collapsible airbag, the left rear collapsible airbag, the right rear collapsible airbag and the collapsible jet device are all connected to the gas storage compartment through a gas transmission pipeline.

[0010] Furthermore, the gas storage compartment is filled with nitrogen.

[0011] Furthermore, the gas transmission pipelines between the left front collapsible airbag, the right front collapsible airbag, the left rear collapsible airbag and the right rear collapsible airbag and the gas storage compartment are all installed with control valves.

[0012] Furthermore, the left front collapsible airbag, the right front collapsible airbag, the left rear collapsible airbag and the right rear collapsible airbag are all connected to the collapsible jet device through a transmission gas pipeline, and a control valve is installed on each transmission gas pipeline.

[0013] A method for a jet-airbag combined submarine surfacing icebreaking device comprises the following steps: Step 1: When the submarine is ready to surface and break the ice, first adjust the submarine to a horizontal state; Step 2: When the submarine approaches the ice, the retractable jet device extends the jet tube and sprays nitrogen from the air storage compartment, and continues to spray gas until an air cavity is formed directly above the submarine and below the ice; Step 3: After a certain volume of air cavity is formed, the retractable jet device stops jetting, the retractable jet device is retracted, the retractable airbag is released, and the air storage compartment is used to inflate the left front retractable airbag, the right front retractable airbag, the left rear retractable airbag, and the right rear retractable airbag respectively. During the inflation process, the submarine contacts the ice layer to break the ice; Step 4: After the ice layer breaks, control the left front collapsible airbag, the right front collapsible airbag, the left rear collapsible airbag and the right rear collapsible airbag to exhaust, and retract the retractable jet device to allow the gas in the airbag to be discharged into the air through the retractable jet device through the gas transmission pipeline, and then retract the collapsible airbag into the interior of the hull to restore the initial state.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides additional buoyancy to a submarine during the ascent and icebreaking process by popping out airbags and reduces icebreaking resistance during the ascent by changing the force structure of the ice layer through the air cavity generated by a jet device above the submarine, thereby facilitating the ascent and icebreaking of the submarine.

[0015] 2. The present invention uses a jet device to form an air cavity under the ice layer before the submarine surfaces and breaks the ice, thereby converting the force-bearing structure of the ice layer from a continuous beam type to a cantilever beam type. This makes it easier for the ice layer to form annular cold cracks and longitudinal cracks under the load applied by the hull, leading to the next step of breaking the ice layer.

[0016] 3. The present invention can quickly increase the buoyancy of the submarine by arranging retractable airbags at four positions on the submarine hull to achieve the purpose of providing additional buoyancy to break ice. At the same time, during normal driving, the airbags can be retracted into the hull without affecting the normal navigation of the submarine.

[0017] 4. The present invention can also adjust the hull posture of the submarine during the surfacing and icebreaking process by adjusting the air intake of the airbag, thereby ensuring the stability of the submarine's surfacing and icebreaking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which constitute part of the present invention, are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings: Figure 1 This is a front view of a jet-airbag combined submarine surfacing icebreaking device according to the present invention; Figure 2 This is a side view of a jet-airbag combined submarine surfacing icebreaking device according to the present invention; Figure 3 The figure is a top view of a jet-airbag combined submarine surfacing icebreaking device according to the present invention.

[0019] In the picture: 1-submarine body, 2-control platform, 3-retractable jet device, 4-gas storage compartment, 5-gas transmission pipeline, 6-left front retractable airbag, 7-right front retractable airbag, 8-left rear retractable airbag, 9-right rear retractable airbag. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely explain the technical solutions in the embodiments of the present invention. It should be noted that the embodiments of the present invention and the features therein can be combined with each other in the absence of conflict, and the embodiments described are only part of the embodiments of the present invention, not all of the embodiments.

[0021] Specific implementation 1: See Figure 1-3 To describe this embodiment, a jet-airbag combined submarine surfacing icebreaking device includes a submarine body 1 and a control panel 2, the control panel 2 is installed on the submarine body 1, a retractable jet device 3 is installed in the control panel 2, an air storage compartment 4 is installed in the submarine body 1, a left front retractable airbag 6 and a right front retractable airbag 7 are symmetrically installed on the front side of the submarine body 1, and a left rear retractable airbag 8 and a right rear retractable airbag 9 are symmetrically installed on the rear side of the submarine body 1.

[0022] In this embodiment, the left front collapsible airbag 6, the right front collapsible airbag 7, the left rear collapsible airbag 8, the right rear collapsible airbag 9 and the collapsible jet device 3 are all connected to the gas storage chamber 4 through the gas transmission pipe 5.

[0023] In this embodiment, the gas storage chamber 4 is filled with nitrogen.

[0024] In this embodiment, the gas transmission pipeline 5 between the left front collapsible airbag 6, the right front collapsible airbag 7, the left rear collapsible airbag 8 and the right rear collapsible airbag 9 and the air storage compartment 4 is installed with a control valve. By adjusting the air intake volume of the airbag, the hull posture of the submarine during the surfacing and icebreaking process can also be adjusted to ensure the stability of the submarine's surfacing and icebreaking process.

[0025] In this embodiment, the left front collapsible airbag 6, the right front collapsible airbag 7, the left rear collapsible airbag 8 and the right rear collapsible airbag 9 are all connected to the retractable jet device 3 through a transmission gas pipeline 5. Each transmission gas pipeline 5 is installed with a control valve to ensure that the gas in the airbag can be discharged through the retractable jet device 3 after breaking the ice.

[0026] When the submarine is ready to surface and break the ice, it is first adjusted to a horizontal state. When the submarine approaches the ice layer, the retractable jet device 3 above extends the jet pipe and sprays nitrogen from the air storage chamber. The gas is continuously sprayed until an air cavity is formed directly above the submarine and below the ice layer. The loss of support from the water surface below will cause the support structure of the ice layer to change from a continuous beam type to a cantilever beam type, making the ice layer easier to bend and break after receiving the vertical external force, which is beneficial for the submarine to surface and break the ice. At this time, the retractable airbag is not released. After a certain volume of air cavity is formed, the retractable jet device 3 stops spraying and the jet pipe is retracted into the console 2. The retractable airbags are released, and the air storage compartment 4 inflates the left front retractable airbag 6, the right front retractable airbag 7, the left rear retractable airbag 8, and the right rear retractable airbag 9 respectively. During the inflation process, the submarine contacts the ice layer to break the ice. After the ice layer is broken, the left front retractable airbag 6, the right front retractable airbag 7, the left rear retractable airbag 8, and the right rear retractable airbag 9 are controlled to be exhausted, and the retractable jet device 3 is re-expanded, so that the gas in the airbag is discharged into the air from the retractable jet device through the gas transmission pipeline, and then the retractable airbag is retracted into the interior of the submarine to restore the initial state.

[0027] By popping out the airbags, the submarine is provided with additional buoyancy during the ascent and icebreaking process, and by using the jet device above the submarine to generate an air cavity to change the stress structure of the ice layer, the icebreaking resistance during the ascent is reduced, which is beneficial to the submarine's ascent and icebreaking. The jet device can form an air cavity under the ice layer before the submarine surfaces and breaks the ice, and the stress structure of the ice layer is converted from a continuous beam type to a cantilever beam type, making it easier for the ice layer to form annular cold cracks and longitudinal cracks under the load given by the hull, resulting in the next step of the ice layer breaking. By arranging retractable airbags at four positions on the submarine's hull, the buoyancy of the submarine can be quickly increased to achieve the purpose of providing additional buoyancy and breaking ice. At the same time, the airbags can be retracted back into the hull during normal driving without affecting the normal navigation of the submarine.

[0028] Specific implementation method 2: See Figure 1-3 This embodiment describes a method for a jet-airbag combined submarine surfacing icebreaking device, which includes the following steps: Step 1: When the submarine is ready to surface and break the ice, first adjust the submarine to a horizontal state; Step 2: When the submarine approaches the ice layer, the retractable jet device 3 extends the jet pipe and sprays nitrogen from the air storage compartment 4, and continues to spray gas until an air cavity is formed directly above the submarine and below the ice layer; Step 3: After a certain volume of air cavity is formed, the retractable jet device 3 stops jetting, is retracted, and the retractable airbags are released. The air storage compartment 4 inflates the left front retractable airbag 6, the right front retractable airbag 7, the left rear retractable airbag 8, and the right rear retractable airbag 9 respectively. During the inflation process, the submarine contacts the ice layer and breaks the ice. Step 4: After the ice layer breaks, the left front collapsible airbag 6, the right front collapsible airbag 7, the left rear collapsible airbag 8 and the right rear collapsible airbag 9 are controlled to exhaust, and the retractable jet device 3 is redeployed to allow the gas in the airbag to be discharged into the air through the retractable jet device 3 through the gas transmission pipe 5, and then the retractable airbag is retracted into the interior of the boat to restore the initial state.

[0029] The specific embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The specific embodiments do not describe all details in detail, nor do they limit the invention to the specific embodiments described. Numerous modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention.

Claims

1. A jet-airbag combined submarine surfacing icebreaking device, comprising a submarine body (1) and a driving platform (2), wherein the driving platform (2) is mounted on the submarine body (1), and is characterized in that: A retractable jet device (3) is installed in the driving platform (2), an air storage compartment (4) is installed in the submarine body (1), a left front retractable airbag (6) and a right front retractable airbag (7) are symmetrically installed on the front side of the submarine body (1), and a left rear retractable airbag (8) and a right rear retractable airbag (9) are symmetrically installed on the rear side of the submarine body (1).

2. The jet-airbag combined submarine surfacing icebreaking device according to claim 1, characterized in that: The left front collapsible airbag (6), the right front collapsible airbag (7), the left rear collapsible airbag (8), the right rear collapsible airbag (9) and the collapsible jet device (3) are all connected to the gas storage chamber (4) via a gas transmission pipeline (5).

3. The jet-airbag combined submarine surfacing icebreaking device according to claim 2, characterized in that: The gas storage compartment (4) is filled with nitrogen.

4. The jet-airbag combined submarine surfacing icebreaking device according to claim 2, characterized in that: The gas transmission pipelines (5) between the left front collapsible airbag (6), the right front collapsible airbag (7), the left rear collapsible airbag (8), and the right rear collapsible airbag (9) and the gas storage chamber (4) are all equipped with control valves.

5. The jet-airbag combined submarine surfacing icebreaking device according to claim 2, characterized in that: The left front collapsible airbag (6), the right front collapsible airbag (7), the left rear collapsible airbag (8) and the right rear collapsible airbag (9) are all connected to the collapsible jet device (3) via a transmission gas pipeline (5), and a control valve is installed on each transmission gas pipeline (5).

6. A method for using the jet-airbag combined submarine surfacing icebreaking device according to any one of claims 1 to 6, characterized in that: It includes the following steps: Step 1: When the submarine is ready to surface and break the ice, first adjust the submarine to a horizontal state; Step 2: When the submarine approaches the ice layer, the retractable jet device (3) extends the jet pipe to eject nitrogen from the air storage compartment (4), and continues to eject the gas until an air cavity is formed directly above the submarine and below the ice layer; Step 3: After a certain volume of air cavity is formed, the retractable jet device (3) stops jetting, the retractable jet device (3) is retracted, the retractable airbag is released, and the air storage compartment (4) inflates the left front retractable airbag (6), the right front retractable airbag (7), the left rear retractable airbag (8) and the right rear retractable airbag (9) respectively. During the inflation process, the submarine contacts the ice layer and breaks the ice; Step 4: After the ice layer breaks, the left front collapsible airbag (6), the right front collapsible airbag (7), the left rear collapsible airbag (8) and the right rear collapsible airbag (9) are controlled to exhaust gas, and the collapsible jet device (3) is re-expanded, so that the gas in the airbag is discharged into the air through the gas transmission pipe (5) from the collapsible jet device (3), and then the collapsible airbag is retracted into the interior of the boat to restore the initial state.

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