Ship Lifting And Launching Airbags

The new technology of airbag launching has its unique advantages. Practice has proved that with the application of high-strength lifting and load dynamic airbags, the advent of new airbags, and the successful design of slipway and launching ramps, it is completely possible to launch airbags for ships above 50,000 tons. It is feasible, but relevant safety measures must be taken: the slipway and angled launching ramp for launching the ship's airbag should be carefully designed; the launch of the airbag should be carried out according to the weight of the ship, the position of the center of gravity, the shape of the bot

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Ship Lifting and Launching Airbags

The new technology of ship lifting and lanching airbags has its unique advantages. Practice has proved that with the application of high-strength lifting and load dynamic ship llifting and launching airbags, the advent of new airbags, and the successful design of slipway and launching ramps, it is completely possible to launch airbags for ships above 50,000 tons. It is feasible, but relevant safety measures must be taken: the slipway and angled launching ramp for launching the ship's roller air bag should be carefully designed; the launching with the ship roller air bag should be carried out according to the weight of the ship, the position of the center of gravity, the shape of the bottom of the ship, the slope of the launching ramp, the water level, etc.

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The production and application of marine airbags are mainly carried out with reference to two industry standards: CB/T3795 "Airbags for upper discharge and launching of ships" and CB/T3837 "Technical requirements for upper discharge and launching of marine ship roller air bags".

Advanges on Ship Lifting and Launching Airbags

Lay uninflated cylindrical lifting and launching airbags to go down to the bottom of the boat, then inflate to lift the boat up, remove other obstacles below, and then slowly release a few air bags at the back, and put the hull back a little bit. It looks like, and then use the power to push it a little in front, and the boat will naturally go to the back of the water, so that the boat will be launched.

Ship launching in the shipbuilding industry is a relatively complex process. Inland and coastal shipping ships are generally launched by rail sliding and air bag rolling. The rail sliding method requires a slipway or a dock. Due to factors such as high investment cost and small scope of application, it is generally only used by large shipyards. Marine roller air bags are widely used by small and medium-sized shipyards due to their small overall investment and wide application range.

Ship roller air bags can be made into various sizes and layers accoding to the ship size and weight and the launching or docking conditions.

Airbag Drawing

-Effective length:

The effective length should be same as the ship breadth, or 1 meter shorter than the breath.

We can make airbags in length from 5m to 24m.

-Diameter:

Select diameter based on the ship size and work requirement. Select bigger airbags for large ships, but smaller airbags for small boats. In case the ships need cleaning or repairing bottom, choose bigger airbags so that workers can work in a more comfortable posture under the ship. Diameter of 1.5m, 1.8m, 2m or 2.5m are all suitable and available for large ships.

-The number of layers

The more layers the air bag has, the bigger bearing capacity it has. To lift a ship to a certain height, enough airbags with enough layers are needed. Generally speaking, air bags with 6 layers are enough for most engineering works. Only in some rigorous situation, rolelr air bags will need 7-8 layers to enhance its performance. For example, if people use air bags to lift heavy caisson but their contact area is limited, and then roller air bags will need higher pressure and more plies to ensure the safety.

Good selection of marine air bags is vital for the success of marine projects. Get basic knowledge of marine air bags selection then consult with manufacturers can help people complete projects in shortest time.

In case you are not sure of the suitable sizes and sufficient layers of a launching project or ships, you are welcome to consult us for information. You need provide us with following information:

-Ship size: breadth (width) and Length

-Ship weight: weight of vessel without cargo is better

-Lifting height: the maximum height to lift the ship from the ground

-The slipway condition: the declining angel, the ground condition etc

Please do not hestita to drop us a message if you have any questions or demand.