Liftable buoyant device for a semi-submersible transport ship
A technology for semi-submersible transport ships and pontoons, which is applied to floating buildings, ships, etc., can solve the problems of increasing the operating cost of ships, reducing the service life of ships, and reducing the efficiency of ship transportation, so as to shorten the operation period, improve efficiency and maneuverability. Sex, the effect of reducing preparation time
Active Publication Date: 2017-08-25
SHANGHAI MERCHANT SHIP DESIGN & RES INST
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Problems solved by technology
Moreover, the damage to the main hull deck is also obvious due to repeated cutting and welding at the same position
Therefore, the floating tank shift operation increases the operating cost of the ship, reduces the service life of the ship, prolongs the cycle of the task, and greatly reduces the transportation efficiency of the ship
Method used
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[0023] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments do not limit the scope of protection of the invention. Obviously, those of ordinary skill in the art can obtain other embodiments without creative work. It belongs to the protection scope of the present invention.
[0024] Combine figure 1 As shown, a liftable pontoon device of a semi-submersible transport ship includes a control device 1, a power device 2, a transmission device 3, a locking device 4, and a pontoon 5 installed at the stern of the main hull A. The power device is preferably Hydraulic motor.
[0025] The control device is used to control the power device and the locking device, and the power device is used to drive the transmission device,
[0026] Combine Figure 2 to Figure 4 As shown, the transmission device is a gear and rack cooperating transmission device, which is composed of a rack 6 fixed on the four side edges o...
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The invention relates to a liftable buoyancy tank device of a semi-submersible transport ship, which comprises a control device (1), a power device (2), a transmission device (3), a locking device (4) and a buoyancy tank (5), wherein the control device is used for controlling the power device and the locking device; the transmission device is a gear and rack matched transmission device and is composed of racks (6) which are fixedly arranged on four lateral edges of the buoyancy tank and a gear (7) which is installed on a main hull; the locking device is installed on the main hull; the locking device is provided with a saw tooth part (4a); when the saw tooth part of the locking device is in full contact with the racks, the racks are limited and locked; and the power device is a hydraulic motor. The liftable buoyancy tank device provided by the invention avoids the additional cost caused by cutting and reinstalling the buoyancy tank, greatly reduces the preparation time of ship loading and unloading, shortens the operating period, meets the requirement for convenient ship loading and unloading, and also improves the efficiency and maneuverability of the ship.
Description
Technical field [0001] The invention relates to a pontoon arranged at the stern of a semi-submersible transport ship, and specifically refers to a liftable pontoon device of a semi-submersible transport ship. Background technique [0002] The code requires that a semi-submersible transport ship should be equipped with a pontoon at the stern so that a certain reserve buoyancy can be reserved at the stern during the diving process to ensure the safety of the people on board. Because it has a large area of open deck, semi-submersible carriers are often used to transport oversized cargo from port to port, or to transport large modules of offshore engineering platforms from the dock to the sea area where the platform is installed. At this time, the semi-submersible carrier does not need to dive, and the existence of the pontoon at the tail will bring inconvenience or even difficulty to the loading and unloading of the cargo. [0003] In response to the above problems, the current com...
Claims
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IPC IPC(8): B63B35/44
CPCB63B35/44B63B2035/442
Inventor 莫继华陈大为马强黄丞
Owner SHANGHAI MERCHANT SHIP DESIGN & RES INST