Recoverable seabed anti-sinking plate suitable for uneven seabed and installation and use method
An anti-sinking plate and seabed technology, which is applied in the field of marine deep-water engineering, can solve problems such as unfavorable work safety and stability in areas with uneven seabeds, difficult recovery of anti-settling plates, and large area of anti-settling plates, so as to improve practicality and safety. Reliability, ease of recycling work, and the effect of increasing the contact area
Active Publication Date: 2021-03-19
HOHAI UNIV
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Problems solved by technology
From the perspective of work stability, the traditional flat anti-settling plate placed bare on the seabed has a large area and is not conducive to safe and stable work and the placement of pipelines in the project for areas with uneven seabeds. How to set up a height-adjustable base is urgently needed. research solution
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[0048] The present invention is further illustrated below in conjunction with the accompanying drawings and specific examples, and these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.
[0049] A seabed anti-sediment board adaptable to uneven seabed and recyclable, as attached figure 1 , 2 , 3, including the upper foundation 1 of the anti-sinking plate, the lifting ring 4, the bolt 3, the handle 2 of the underwater working robot, the anode protection device 6 on the upper part of the foundation, the gyroscope 17, the fixing block 5 of the anode protection device, and the welding fixing column 11 (bottom With screw), nut 12, ventilation switch 15, base 16, high pressure gas tank 13, gas tank fixed movable claw 14, high pressure water pump 10, small battery 8, wire 7, water pipe 9.
[0050] The upper foundation 1 of the anti-sinking plate is composed of a thick steel plate on the upper surface and seve...
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The invention belongs to the technical field of ocean deepwater engineering, and particularly relates to a recoverable seabed anti-sinking plate adapting to an uneven seabed and an installation and use method. A device comprises an anti-sinking plate upper foundation; a cross-shaped groove is reserved in the lower part of the foundation; internal ventilation pipelines are arranged in box bins at four corners of the lower part; gas tanks are arranged on the sides of the box bins; five welding fixing columns with threads at the bottoms are arranged in the cross-shaped groove; and a cross-shapedprecast block is inserted into the cross-shaped groove. According to the anti-sinking plate, the suction force between the anti-sinking plate and the seabed can be effectively reduced when the anti-sinking plate is recovered, and the height of a base of the anti-sinking plate can be freely adjusted through the design of the base while the foundation bearing capacity and stable work of the anti-sinking plate are satisfied, so that the upper surface of the anti-sinking plate can be maintained flat even though the anti-sinking plate is placed on the uneven seabed; and besides, the base is connected with the anti-sinking plate through bolts, the base can automatically fall off by pulling out the bolts when the anti-sinking plate is recovered, and the functions of reducing the uplift adsorptionforce, rapidly recovering and adapting to the uneven seabed are achieved.
Description
technical field [0001] The invention relates to the technical field of marine deep-water engineering, in particular to a seabed anti-settling plate foundation that is suitable for uneven seabeds and is easy to recycle, and an installation and use method thereof. Background technique [0002] With the rapid growth of demand for oil resources in countries all over the world, the amount of oil on land and in shallow water areas can no longer meet the market demand, and the general trend of world offshore oil development has gradually entered deep water areas. At present, there are more than 90 large deep-water oil and gas fields in the world, most of which are undeveloped or in the initial stage of development, and a few are in the middle stage of development. These oil and gas fields are an important source of future offshore oil and gas production. my country has also discovered about 14 large and medium-sized deep-water oil and gas fields in the northern part of the South Ch...
Claims
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IPC IPC(8): E02D27/52E02D27/32E02D27/46E02D27/44E02D29/09
CPCE02D27/32E02D27/44E02D27/46E02D27/52E02D29/06
Inventor 黄挺焦澳高旭罗成未樊栩褚逸云
Owner HOHAI UNIV