CN115258075A - Spare buoyancy device for ship - Google Patents
Spare buoyancy device for ship Download PDFInfo
- Publication number
- CN115258075A CN115258075A CN202111280309.7A CN202111280309A CN115258075A CN 115258075 A CN115258075 A CN 115258075A CN 202111280309 A CN202111280309 A CN 202111280309A CN 115258075 A CN115258075 A CN 115258075A
- Authority
- CN
- China
- Prior art keywords
- buoyancy
- air
- ship
- pressure
- air bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract 7
- 238000005516 engineering process Methods 0.000 abstract 1
- 208000034699 Vitreous floaters Diseases 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
- B63B43/14—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using outboard floating members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/02—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking
- B63B43/10—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy
- B63B43/14—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using outboard floating members
- B63B2043/145—Improving safety of vessels, e.g. damage control, not otherwise provided for reducing risk of capsizing or sinking by improving buoyancy using outboard floating members pneumatic, e.g. inflatable on demand
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Safety Valves (AREA)
Abstract
The reserve buoyancy device of ship belongs to the whole safe technical field of saving oneself of ship, is the safety technology who prevents that the ship from taking place to topple over and sink. The principle structure of marine buoyancy device constitutes equipment to have: the device comprises a buoyancy air bag cabin, a buoyancy air bag with a pressure-limiting deflation valve, bei Ban, a fixing net, a high-pressure air cooling bottle, a high-pressure air cooling electromagnetic valve, a high-pressure air cooling duct, a pendulum water damping electric switch, a float electric switch, a power supply switch and a circuit lead. Before the ship sails, the power switch and the high-voltage cold air bottle switch are turned on, and the standby buoyancy device enters a standby state. When the ship body is seriously inclined, the water damping switch of the pendulum hammer is switched on before overturning, or the ship body enters the switch of the floater before sinking, the valve of the high-pressure cold air solenoid valve is opened, the high-pressure cold air rapidly inflates the buoyancy air bag to push Bei Ban open, the fixing net is pulled open, the buoyancy air bag is filled with air to generate enough buoyancy in water, the enough buoyancy is transmitted to the ship body through Bei Ban and the fixing net, the inclined ship body is righted, the ship body is prevented from sinking, the ship is prevented from overturning and sinking accidents, when the pressure in the buoyancy air bag is too high, the air release valve is pressed to open for air release, the air bag is prevented from being broken, and the air release is automatically closed to stop air release after the pressure is reduced.
Description
1. The technical field is as follows: a standby buoyancy device for ships belongs to the technical field of emergency automatic self-rescue safety of ships.
2. Background art: the ship sails in a wide water area, meets strong wind, billow and fast steering, can incline when the inclination is too large, and can have overturning accidents, such as the overturning event of a korean 'years' cruise ship, the ship body is damaged and a large amount of water enters into the ship body to sink, so that serious casualties and property loss are caused. There are also a number of fishing boats and other ships that have overthrown and sunk accidents for a variety of reasons. The ship reserve buoyancy device is a technical device for preventing the ship from overturning and sinking.
3. The invention content is as follows: the spare buoyancy device for ship consists of buoyancy air bag cabin, buoyancy air bag with pressure limiting air release valve, bei Ban (buoyancy air bag cabin cover), buoyancy air bag fixing net, high pressure cold air bottle, high pressure cold air solenoid valve, high pressure cold air conduit, power supply switch, pendulum water damping electric switch, float switch and circuit conducting wire.
The ship standby buoyancy device principle is constructed as follows:
1. buoyancy air bag cabin. The ship is a cabin for containing buoyancy airbags, the two sides of the ship body are symmetrically distributed near waterlines, and 1 or more cabins are arranged on each side according to the size of the ship body.
2. A buoyant bladder. The main body for generating the standby buoyancy is cylindrical or elliptic cylinder-shaped, is made of high-strength adhesive tape and has a size determined according to the requirements of preventing the ship body from overturning and sinking. The pressure limiting and deflating valve automatically opens to deflate and decompress when the pressure in the air bag is too high, so as to prevent the air bag from cracking.
3. Bei Ban. The buoyancy airbag cabin cover is a metal component with enough strength at ordinary times, the standby buoyancy device and the buoyancy airbag fixing net are used for fixing the buoyancy airbag filled with air and transmitting the buoyancy to the ship body after being started, the upper edge of the buoyancy airbag cabin cover is fixed with the upper shaft of the cabin, and the lower edge of the buoyancy airbag cabin cover is locked and fixed by the spring.
4. The net is fixed to the buoyancy gasbag. The buoyancy air bag is knitted by a high-strength soft rope, the size of the buoyancy air bag is determined by the requirement of the buoyancy air bag, the upper edge of the net is connected with the lower edge of the shell plate, the lower edge of the net is connected with the lower part of the ship body of the buoyancy air bag cabin, the net is folded under the buoyancy air bag at ordinary times, and the net and the Bei Ban jointly fix the buoyancy air bag filled with air and transmit the buoyancy to the ship body after being started.
5. A high pressure cold air bottle. Is a buoyancy air source, is fixed at the middle section of the lowest part of the cabin and also plays a role of ballast, and the quantity of the buoyancy air source is determined by the requirement of all buoyancy air bags.
6. High-pressure cold air solenoid valve. The buoyancy air bag inflation control device is a ready-made universal electrical appliance product for controlling inflation of the buoyancy air bag.
7. A high pressure cold air duct. The high-pressure cold air bottle, the high-pressure cold air electromagnetic valve and the high-pressure cold air connecting piece between the buoyancy air bags are composed of hard guide pipes and soft guide pipes.
8. And a power supply. Is an electric power source for starting the standby buoyancy device and is a waterproof sealing power battery.
9. And a power switch. Is arranged in the cockpit of the ship.
10. The pendulum water damps the electrical switch. The switch is a switch for preventing the backup buoyancy device from overturning and starting, and consists of an electric contact ring, an electric contact, a pendulum bob in water, a damping water tank and a universal pendulum shaft, wherein the electric contact of the universal pendulum shaft and the pendulum bob are a connecting body. Water damping is to prevent false starts due to transient acceleration.
11. The float is electrically switched. The switch is composed of a float and an electric switch controlled by the float.
12. And (3) circuit conducting wires. The power supply, the power switch, the pendulum water damping electric switch, the float electric switch and the high-voltage cold air electromagnetic valve are connected with a wire through circuits.
(II) starting the standby buoyancy device of the ship: before the ship goes out of port and sails, the switch of the high-pressure cold air bottle and the power switch are turned on to make the standby buoyancy device in a standby state.
1. When the ship overturning prevention starting working process is carried out, no matter what causes the ship body to generate serious inclined overturning forward swing hammer water damping switch is switched on, the high-pressure cold air solenoid valve coil is electrified to generate electromagnetic force, the high-pressure cold air valve is opened, the high-pressure cold air in the high-pressure cold air bottle quickly inflates each buoyancy air bag, the air bags are expanded to overcome the elastic force of the spring lock to push Bei Ban open the fixing net, the air bags are full of air, the inclined side buoyancy air bags generate enough buoyancy in water and are transmitted to the ship body through Bei Ban and the fixing net, the inclined ship body is righted in time, and the overturning accident is prevented. If the pressure in the air bag is too high, the pressure limiting deflation valve automatically opens for deflation and reduces the pressure to prevent the air bag from cracking, and the deflation valve automatically closes to stop deflation under the pressure of the spring when the pressure is reduced to a safe value.
2. The ship sinking prevention starting working process is that no matter what the reason is, a large amount of water entering ship bodies in the ship sink to a certain value, the floaters generate buoyancy in the water to rise, the electric switches of the floaters are pushed open, current flows through the high-pressure cold air solenoid valve coil to generate electromagnetic force, the high-pressure cold air valve is opened, each buoyancy air bag is rapidly inflated, the air bags are expanded to push open Bei Ban to pull open the fixing net, the air bags are filled with air to generate enough buoyancy in the water to prevent sinking and floating, and the ship sinking accident is prevented. The pressure limiting deflation valve is used for timely deflating and depressurizing when the pressure in the air bag is too high, so that the safety of the air bag is ensured.
4. Description of the drawings
Fig. 1 is a schematic diagram of the hull profile before the activation of the marine back-up buoyancy device.
Fig. 2 is a schematic cross-sectional view of the hull a-a.
Figure 3 is a schematic top view of the hull after the watercraft back-up buoyancy has been activated.
Fig. 4 is a schematic cross-sectional view of the hull B-B.
Figure 5 is a schematic diagram of the marine backup buoyancy circuit and circuit.
FIG. 6 is a schematic sectional view of the pressure-limiting air-release valve.
Illustration of the drawings: (1) hull (2) Bei Ban (buoyancy airbag cabin cover)
(3) Bei Ban fixing shaft (4) fixing net for buoyancy airbag (5)
(6) Buoyancy air bag cabin (7), high-pressure air bottle (8) and high-pressure air bottle switch
(9) Pressure-limiting air-discharging valve for high-pressure cold air electromagnetic valve
Power supply and power switch
5. The specific implementation mode is as follows: the standby buoyancy device for the ship can be actively and automatically quickly started to save self when the ship is in danger, so that overturning and sinking accidents are prevented. The preferred embodiment is as follows:
the shape, size and number of the floating air bags are designed according to the size requirement of the ship.
And (II) designing the shape, size and number of the buoyancy air bag cabins according to the requirement of the buoyancy air bags.
And (III) designing Bei Ban and a fixing net with sufficient strength according to the buoyancy generated by the buoyancy air bags in water and the buoyancy air bag cabin.
And (IV) selecting a proper number of system high-pressure cold air bottles according to the total volume of the buoyancy air bags.
And (V) selecting a standard high-pressure cold air electromagnetic valve and a high-pressure cold air conduit with proper calibers according to the requirement of the inflating speed of the buoyancy air bag.
And (VI) designing a pendulum water damping electric switch and a buoyancy electric switch according to the size and the structure of the ship body, wherein the two switches are arranged at proper positions in the ship.
And (seventhly), selecting a sealed waterproof battery with proper voltage and power and a red cover power switch, wherein the sealed waterproof battery and the red cover power switch are arranged at proper positions of the cab.
Claims (2)
1. The ship standby buoyancy device and the life buoy are safety equipment for self rescue by using buoyancy generated by an inflated air bag in water, the life buoy is passive self rescue equipment for crews, and the ship standby buoyancy device is integral active automatic self rescue equipment for ships.
Reserve buoyancy of ship, characterized by: the buoyancy air bags with pressure-limiting air-release valves are folded and placed in the buoyancy air bag cabins which are symmetrical near waterlines at two sides of a ship body at ordinary times, and are buckled by Bei Ban (buoyancy air bag cabin covers), the lower edges of the clapboards and the cabins are connected by the folded fixing nets, the buoyancy air bags filled with air are fixed and used for transferring buoyancy to the ship body, the lowest part in the ship is fixed with a high-pressure air cooling bottle and a high-pressure air cooling electromagnetic valve, the high-pressure air cooling pipe is connected with the buoyancy air bags, and a power supply switch are connected with a pendulum water damping electric switch and a float electric switch by circuit leads and high-pressure air cooling electromagnetic valve coils. When the water damping electric switch of the pendulum hammer before the ship overturns in danger is switched on or the floater electric switch is switched on before the ship sinks, the high-pressure cold air electromagnetic valve is switched on, the high-pressure cold air quickly inflates the buoyancy air bag, the air bag is expanded to push away the Bei Ban to pull open the fixing net, the buoyancy air bag is filled with air to generate enough buoyancy in water, the inclined ship body is righted or prevented from sinking, and the overturning or sinking accident is prevented.
2. High-pressure gas in the high-pressure cold gas bottle is used as a standby buoyancy gas source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280309.7A CN115258075A (en) | 2021-11-01 | 2021-11-01 | Spare buoyancy device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111280309.7A CN115258075A (en) | 2021-11-01 | 2021-11-01 | Spare buoyancy device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115258075A true CN115258075A (en) | 2022-11-01 |
Family
ID=83758399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111280309.7A Pending CN115258075A (en) | 2021-11-01 | 2021-11-01 | Spare buoyancy device for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115258075A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118025433A (en) * | 2024-03-28 | 2024-05-14 | 威海诺曼底船舶技术有限公司 | Air bag composite type ship bottom structure |
-
2021
- 2021-11-01 CN CN202111280309.7A patent/CN115258075A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118025433A (en) * | 2024-03-28 | 2024-05-14 | 威海诺曼底船舶技术有限公司 | Air bag composite type ship bottom structure |
| CN118025433B (en) * | 2024-03-28 | 2024-09-13 | 威海诺曼底船舶技术有限公司 | Air bag composite type ship bottom structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20221101 |
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| WD01 | Invention patent application deemed withdrawn after publication |