CN1287181C - Method and system for realizing shallow sea optical cable burial utilizing shoal buried plow - Google Patents
Method and system for realizing shallow sea optical cable burial utilizing shoal buried plow Download PDFInfo
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- CN1287181C CN1287181C CN 03115187 CN03115187A CN1287181C CN 1287181 C CN1287181 C CN 1287181C CN 03115187 CN03115187 CN 03115187 CN 03115187 A CN03115187 A CN 03115187A CN 1287181 C CN1287181 C CN 1287181C
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- shoal
- underground
- plough
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- bury
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Abstract
The present invention relates to a method for implementing the burying of optical cables in shallow sea, which is realized by the utilization of a shoal burying plow. A shoal burying plow having the advantages of small size and light weight is adopted, the ups and downs of the shoal burying plow can be implemented by that water or air is injected into a sliding plate from outside. Under the help of divers, a burying knife of the shoal burying plow is driven to downwards rotate to the proper position by a method that hydraulic power is provided under the condition that conventional ships with optical cables can not enter a shoal, a water pump with high pressure supplies jetting water for a high-pressure water pipe of the burying knife, high-pressure water is jetted through a spray head, a ditch is formed at seabed, a mother ship drags the shoal burying plow to move forwards, the optical cable is put in the ditch, and the corresponding burying depth of the optical cable is obtained. Systems needed by the method comprise the shoal burying plow, the mother ship, an auxiliary ship for construction, a hydraulic power pack arranged on the auxiliary ship for construction, the water pump with high pressure, a water injection pump, an air compressor and a balance weight. The present invention has the advantages that the burying of the optical cables is implemented in shallow sea, the burying depth reaches more than one meter, and the possibility that the optical cables at the shoal are damaged is reduced.
Description
Technical field
The present invention relates to a kind of shoal that utilizes and bury the method that plough realizes that Shallow water cable is buried underground underground, can be used for burying underground of shoal submarine optical fiber cable, belong to the submarine optical fiber cable technical field of construction.
Background technology
At present, traditional optical cable is buried plough underground and can be engaged in dashing of the depth of water to 1000 meter and bury operation.But because it is bulky, to supporting platform degree of dependence height, so at construction unapproachable waters of boats and ships and offshore end, it can't operation.Can only lean on manually optical cable is moved on the base station of seashore, carry giant by the frogman then and carry out the bottom towards burying operation.But because the limitation of manual work, be difficult to reach desirable effect and the efficient buried underground, optical cable is easy to suffer frequent breakage because of nature or human factor that this not only can bring the inconvenience of communication to people, also can make country bear enormous economic loss simultaneously.
Summary of the invention
The objective of the invention is to invent a kind of method that subfluvial cable is buried underground that is suitable for.
For realizing above purpose, technical scheme of the present invention provides the method that a kind of shoal optical cable is buried underground, and its method comprises:
(1) crane by lash ship is buried the shoal underground plough and is hung and move to the water surface, and the shoal is buried plough underground and kept afloat;
(2) construction support vessel dragrope is connected with burying underground to plough;
(3) lash ship discharges the wire rope that drags of respective length, and construction support vessel shoal is in tow buried plough underground and sailed to the job location;
(4) support vessel high-pressure water pipe and water injection pipe and hydraulic tube being connected to the shoal buries underground on the associated adapter on the plough and the connector that will drag wire rope is connected to the shoal and buries dragging on the ear of plough underground;
(5) waterflood pump of startup construction support vessel, beginning water filling in dual-purpose guide plate, the shoal is buried plough underground and is sunk down into the seabed;
(6) after water filling finishes, close vent valve, remove the injection water pipe, dismantle and become flexible and bury on cutter and the hydraucone hinge accordingly underground, can raise and bury cutter and bell-mouthed door-plate underground, optical cable is put into buried underground cutter and hydraucone by the frogman;
(7) by the crane on the construction support vessel balancing weight being installed to the shoal buries underground on two guide plates of plough;
(8) frogman leave the shoal bury underground plough around;
(9) high-pressure hydraulic pump and the hydraulic power on the startup construction support vessel, rotate to suitable position by providing hydraulic power to drive the cutter of burying underground in the shoal of burying underground, high-pressure hydraulic pump provides injection water to the high-pressure water pipe of burying cutter underground, penetrates water under high pressure with ditch of seabed ejection through shower nozzle;
(10) the notice lash ship drags the shoal and buries plough underground to reach, and optical cable is just discharged in the ditch that reaches predetermined depth;
(11) dash bury end after, at first turn off high-pressure hydraulic pump, provide hydraulic power to drive the shoal and bury cutter underground, will bury cutter underground and rise to horizontal level, optical cable is shifted out bury plough underground then;
(12) two guide plates burying balancing weight underground plough from the shoal are hung oneself on the construction support vessel;
(13) air injection pipe is connected to the shoal and buries underground on two guide plates of plough, start the water in the dual-purpose guide plate of air compressor machine emptying, make the shoal bury plough underground and steadily go up floatation surface;
(14) draining after the shoal buries Ballast Water in two guide plates of plough underground, remove air injection pipe, lash ship reclaims and mainly drags wire rope, shoal to bury plough underground to slide to the lash ship direction;
(15) bury plough underground apart from the lash ship correct position when the shoal, bury the shoal underground plough by the crane of lash ship and be recovered on the deck.
The present invention adopts little, the lightweight shoal of volume to bury plough underground, can realize that to guide plate water filling or gas injection the shoal buries the sink-float of plough underground by the external world, under frogman's help, the shoal is buried plough underground and can't be driven under the situation in shoal at conventional optical cable ship, effectively electric light is embedded in 1 meter of sea bed below the depths, thereby has reduced the possibility that the shoal optical cable is destroyed.
Advantage of the present invention is: can realize that optical cable buries underground at shallow water, the depth of burying can reach more than 1 meter, has reduced the possibility that subfluvial cable is destroyed.
Embodiment
Make the shoal and bury plough underground, be equipped with lash ship, construction support vessel, and on the construction support vessel, install the shoal and bury the required peripheral equipment of plough construction underground: hydraulic power bag, high-pressure hydraulic pump, waterflood pump, air compressor machine, balancing weight and drag wire rope.
At first the crane by lash ship is buried the shoal underground plough and is hung and move to the water surface, drags the wire rope connector to be connected with burying underground to plough the master of lash ship; Lash ship discharges the wire rope that drags of respective length and buries plough underground and sail to the job location in the shoal in tow up to the construction support vessel;
Do preparation of construction, high-pressure water pipe and water injection pipe and hydraulic tube are connected to the shoal bury underground on the associated adapter of plough;
At the job location water surface, start the waterflood pump of construction support vessel, beginning water filling in dual-purpose guide plate, the shoal is buried plough underground and is progressively sunk down into sea bed.Close vent valve, remove the injection water pipe, dismantle and become flexible and bury on cutter and the hydraucone corresponding hinge underground by the frogman, can raise and bury cutter and bell-mouthed door-plate underground, optical cable put into bury cutter and hydraucone underground, by the crane on the construction support vessel balancing weight is installed to the shoal and buries underground on two guide plates of plough;
After finishing above work, start high-pressure hydraulic pump and hydraulic power on the construction support vessel, according to construction requirement, be rotated down suitable position by providing hydraulic power to drive the cutter of burying underground in the shoal of burying underground, high-pressure hydraulic pump provides injection water to the high-pressure water pipe of burying cutter underground, penetrates water under high pressure with ditch of seabed ejection through shower nozzle, and the notice lash ship drags the shoal and buries plough underground to reach, optical cable just is placed in the ditch, and optical cable is reached accordingly towards the buried depth degree.The construction support vessel will notice that burying plough underground with the shoal keeps corresponding distance, avoids water pipe and hydraulic oil pipe stressed;
After burying end, at first turn off high-pressure hydraulic pump, provide hydraulic power to drive the cutter of burying underground in the shoal of burying underground and rise to horizontal level, optical cable is shifted out bury plough underground at last.Then under the frogman assists, two guide plates burying balancing weight underground plough from the shoal are hung oneself on the construction support vessel, at last air injection pipe being connected to the shoal buries underground on two guide plates of plough, start the water in the dual-purpose guide plate of air compressor machine emptying, make under frogman's the help shoal bury underground plough steadily on floatation surface, draining after the shoal buries Ballast Water in two guide plates of plough underground, remove air injection pipe;
Lash ship reclaims the master and drags steel wire, buries plough underground and slides to the lash ship direction, until distance lash ship correct position, will bury plough underground by the lash ship crane and be recycled on the ship.
Claims (1)
1. one kind is utilized the shoal to bury the method that plough realizes that Shallow water cable is buried underground underground, and its method comprises:
(1) crane of mistake lash ship is buried the shoal to plough to hang underground and is moved to the water surface, and the shoal is buried plough underground and kept afloat;
(2) construction support vessel dragrope is connected with burying underground to plough;
(3) lash ship discharges the wire rope that drags of respective length, and construction support vessel shoal is in tow buried plough underground and sailed to the job location;
(4) support vessel high-pressure water pipe and water injection pipe and hydraulic tube being connected to the shoal buries underground on the associated adapter on the plough and the connector that will drag wire rope is connected to the shoal and buries dragging on the ear of plough underground;
(5) waterflood pump of startup construction support vessel, beginning water filling in dual-purpose guide plate, the shoal is buried plough underground and is sunk down into the seabed;
(6) after water filling finishes, close vent valve, remove the injection water pipe, dismantle and become flexible and bury on cutter and the hydraucone hinge accordingly underground, can raise and bury cutter and bell-mouthed door-plate underground, optical cable is put into buried underground cutter and hydraucone by the frogman;
(7) by the crane on the construction support vessel balancing weight being installed to the shoal buries underground on two guide plates of plough;
(8) frogman leave the shoal bury underground plough around;
(9) high-pressure hydraulic pump and the hydraulic power on the startup construction support vessel, rotate to suitable position by providing hydraulic power to drive the cutter of burying underground in the shoal of burying underground, high-pressure hydraulic pump provides injection water to the high-pressure water pipe of burying cutter underground, penetrates water under high pressure with ditch of seabed ejection through shower nozzle;
(10) the notice lash ship drags the shoal and buries plough underground to reach, and optical cable is just discharged in the ditch that reaches predetermined depth;
(11) dash bury end after, at first turn off high-pressure hydraulic pump, provide hydraulic power to drive the shoal and bury cutter underground, will bury cutter underground and rise to horizontal level, optical cable is shifted out bury plough underground then;
(12) two guide plates burying balancing weight underground plough from the shoal are hung oneself on the construction support vessel;
(13) air injection pipe is connected to the shoal and buries underground on two guide plates of plough, start the water in the dual-purpose guide plate of air compressor machine emptying, make the shoal bury plough underground and steadily go up floatation surface.
(14) draining after the shoal buries Ballast Water in two guide plates of plough underground, remove air injection pipe, lash ship reclaims and mainly drags wire rope, shoal to bury plough underground to slide to the lash ship direction;
(15) bury plough underground apart from the lash ship correct position when the shoal, bury the shoal underground plough by the crane of lash ship and be recovered on the deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03115187 CN1287181C (en) | 2003-01-27 | 2003-01-27 | Method and system for realizing shallow sea optical cable burial utilizing shoal buried plow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03115187 CN1287181C (en) | 2003-01-27 | 2003-01-27 | Method and system for realizing shallow sea optical cable burial utilizing shoal buried plow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1521526A CN1521526A (en) | 2004-08-18 |
| CN1287181C true CN1287181C (en) | 2006-11-29 |
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ID=34284167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03115187 Expired - Fee Related CN1287181C (en) | 2003-01-27 | 2003-01-27 | Method and system for realizing shallow sea optical cable burial utilizing shoal buried plow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1287181C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475054B (en) * | 2009-01-12 | 2011-04-20 | 中英海底系统有限公司 | Method for realizing deep buried cable salvage by using high pressure water spraying shallow sea bury flushing device |
| CN105464135A (en) * | 2015-12-31 | 2016-04-06 | 中英海底系统有限公司 | Warning line protection system for special protection section of submarine optical cable and construction method |
| CN106774123B (en) * | 2016-12-23 | 2019-05-07 | 中英海底系统有限公司 | The Artificial Intelligence Control of underwater sea plough |
| CN113644594A (en) * | 2021-07-29 | 2021-11-12 | 宝胜长飞海洋工程有限公司 | Flush buried submarine cable laying method |
| CN114855796B (en) * | 2022-07-05 | 2022-11-15 | 中海石油(中国)有限公司 | Multi-ship coordinated marine steel cylinder vibration sinking construction method |
| CN115144988A (en) * | 2022-08-08 | 2022-10-04 | 中国人民解放军海军工程大学 | System is put in laying of sea optical cable |
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2003
- 2003-01-27 CN CN 03115187 patent/CN1287181C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1521526A (en) | 2004-08-18 |
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