Flange structure for butt joint of pressure-resistant cabin sections of underwater special equipment and mounting method thereof
A technology for connecting flanges and special equipment, applied in underwater operation equipment, underwater ships, transportation and packaging, etc., can solve problems affecting the hydrodynamic performance of special equipment underwater navigation, achieve excellent sealing and anti-corrosion performance, reduce Small shear load, easy disassembly and assembly
Pending Publication Date: 2021-12-24
CHINA SHIP DEV & DESIGN CENT
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Problems solved by technology
[0003] At present, in the conventional butt joint flange structure, if the installation surface of the flange is facing the cabin, people need to enter the cabin for installation, and the installation space and access hatches need to be reserved; if the installation surface of the flange is facing the outside of the cabin, The connecting bolts and sealing structure will protrude from the outer surface of the pressure cabin, which will affect the hydrodynamic performance of special equipment during underwater navigation
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[0027] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0028] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be cons...
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The invention discloses a flange structure for butt joint of pressure-resistant cabin sections of underwater special equipment and a mounting method thereof. The flange structure for butt joint of the pressure-resistant cabin sections of the underwater special equipment comprises a large-end butt joint flange and a small-end butt joint flange which are located on the inner sides of the two pressure-resistant cabin sections respectively; a boss extending towards one side of the small-end butt joint flange is arranged on the inner ring side of the large-end butt joint flange, and the boss is arranged on the inner ring side of the small-end butt joint flange in a sleeving mode; a groove is formed in the outer ring side of the small-end butt joint flange, the connecting bolt penetrates through the side wall of the groove and then is in threaded connection with the large-end butt joint flange; and the groove of the small-end butt joint flange is covered with a cover plate used for sealing the opening side of the groove of the small-end butt joint flange. According to the flange structure for butt joint of the pressure-resistant cabin sections of the underwater special equipment, on the premise that the butt joint flanges are disassembled and assembled outside the cabin, the smoothness of the outer surfaces of the pressure-resistant cabin sections can be guaranteed. The flange structure for butt joint of the pressure-resistant cabin sections of the underwater special equipment is simple in structure, convenient to disassemble and assemble and excellent in sealing and anti-corrosion performance.
Description
technical field [0001] The invention relates to the field of underwater special equipment, in particular to a flange structure for butt jointing of pressure-resistant cabin sections of underwater special equipment and an installation method thereof. Background technique [0002] Butt joint flanges are provided on the pressure-resistant compartment of underwater special equipment, which can divide the whole special equipment into multiple detachable compartment modules, so as to facilitate the modular construction, modification, installation and maintenance of special equipment. [0003] At present, in the conventional butt joint flange structure, if the installation surface of the flange is facing the cabin, people need to enter the cabin for installation, and the installation space and access hatches need to be reserved; if the installation surface of the flange is facing the outside of the cabin, The connecting bolts and sealing structure will protrude from the outer surfa...
Claims
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IPC IPC(8): B63C11/52B63G8/00B63B73/10B63B73/40
CPCB63C11/52B63G8/001B63B73/10B63B73/49
Inventor 曹林冲雷加静田旭军何其健李功荣
Owner CHINA SHIP DEV & DESIGN CENT
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