CN114872857A - Water gathering and butt-jointing method for large-scale floating dock - Google Patents
Water gathering and butt-jointing method for large-scale floating dock Download PDFInfo
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- CN114872857A CN114872857A CN202210499442.XA CN202210499442A CN114872857A CN 114872857 A CN114872857 A CN 114872857A CN 202210499442 A CN202210499442 A CN 202210499442A CN 114872857 A CN114872857 A CN 114872857A
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- China
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- water
- floating
- buoyancy tank
- dock
- proof sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/60—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by the use of specific tools or equipment; characterised by automation, e.g. use of robots
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Abstract
The invention discloses a method for joining and docking large floating docks on water, which comprises the following steps: A. performing overwater large folding by adopting a tower type construction mode, and sequentially folding the floating box section towards the fore and the aft by taking the floating box section as a reference section; B. building a tooling water-isolating sleeve; C. closing the floating dock on water, leveling, pulling and aligning the two buoyancy tank sections; D. dragging the water separating sleeve to enable the water separating sleeve to work normally; E. welding and coating the closure seam of the buoyancy tank, and removing the water-resisting sleeve after the welding and coating are finished; F. and carrying out positioning measurement and installation on the dock wall after the buoyancy tank is closed on the water. The method for joining and butting the large-scale floating dock on water avoids the influence of temperature difference hydrology on precision by repeatedly measuring and calculating and exploring a set of simple and feasible method combining optical theodolite measurement and computer simulation calculation, and completes the joining, measuring and positioning work in a floating state. The water closure of the large-scale floating dock opens up a precedent for the water closure of large-scale ships.
Description
Technical Field
The invention relates to an overwater gathering and butt-joint method for a large floating dock.
Background
At present, the construction of a large floating dock by closing on water has no precedent in China, and no dock and slipway which can be borrowed are used for closing. In order to meet the requirement of VLCC dock repair in the ship repair market, under the condition that no available dock exists, a construction plan of completing a large floating dock by closing on water is made, and a large floating dock water closing and docking method is designed aiming at the above water closing problem.
Disclosure of Invention
The invention aims to provide a high-quality and high-speed water gathering and butting method for a large-scale floating dock.
The technical scheme adopted by the invention for realizing the purpose is as follows: a method for joining and docking large floating docks on water comprises the following steps:
A. performing overwater large folding by adopting a tower type construction mode, and sequentially folding the floating box section towards the fore and the aft by taking the floating box section as a reference section;
B. building a tooling water-isolating sleeve;
C. closing the floating dock on water, leveling, pulling and aligning the two buoyancy tank sections;
D. dragging the water-separating sleeve to enable the water-separating sleeve to work normally, hoisting the water-separating sleeve into water, leveling the water-separating sleeve, sinking to the dragging depth of 3.6m, dragging to a storage position at the joint of the buoyancy tank by a boat, tying a mooring rope on a mooring pile at the total section of the buoyancy tank, positioning a deck, moving the water-separating sleeve into a working position, aligning the water-separating sleeve to the center of a closure seam, and discharging water in a pressure loading cabin of the water-separating sleeve by taking a mark rod as a reference so as to enable the water-separating sleeve to float and be pre-compressed; moving the side watertight device to achieve side watertight, discharging water in the working channel of the water-proof sleeve, and discharging water which permeates into the water-proof sleeve and flows into the water collecting well;
E. welding and coating the closure seam of the buoyancy tank, and removing the water-resisting sleeve after the welding and coating are finished;
F. and positioning, measuring and installing a dock wall after the buoyancy tank is closed on water, marking a height reference of the dock wall at the lower parts of the inner dock wall and the outer dock wall, determining a closing height and a top deck horizontal according to the height reference of the buoyancy tank, ensuring a closing reference of the width, ensuring good closing precision of each segment, ensuring straightness of the closed segment to be used as an auxiliary measuring reference point for verticality of the dock wall, and completing closing, butt joint, measurement and positioning on water of the large-scale floating dock in a floating state through measurement and calculation.
In the step B, the waterproof jacket mainly comprises a working channel, a ballast tank, an empty tank, a water collecting well, a control tank and a side tower.
And C, arranging process balance water tanks on the two buoyancy tank segments, calculating according to the total weight, the gravity center and the buoyancy center state of the buoyancy tanks, leveling by using the balance water tanks, and drawing the buoyancy tank segments.
The invention relates to an overwater closure and butt joint method for a large floating dock, which ensures that the large floating dock can build high-quality and high-speed overwater closure.
Drawings
Fig. 1 is a schematic diagram of water-resisting telescoped buoyancy tank water surface folding of a large-scale floating dock water surface folding and butting method.
Fig. 2 is a deck facility when the deck is drawn together according to the method for closing and docking the large-scale floating dock on water.
FIG. 3 shows a method for joining and docking a large-scale floating dock on water according to the present invention
In the figure: 1. a water-separating sleeve; 2. a bollard; 3. a balance water tank; 4. closing the seams; 5. an inner dock wall; 6. an outer dock wall; 7. the deck.
Detailed Description
As shown in fig. 1 to 3, the method for joining and docking the large-scale floating dock on water comprises the following steps: A.
performing overwater large folding by adopting a tower type construction mode, and sequentially folding the floating box section towards the fore and the aft by taking the floating box section as a reference section; B. building a tooling water-separating sleeve 1, wherein the water-separating sleeve 1 is determined according to the condition of a folding section in the process of completing folding of a floating box of a floating dock on water, and mainly comprises a working channel, a ballast tank, an empty tank, a water collecting well, a control tank and a side tower; C. carrying out overwater closure of a floating dock, leveling, pulling and leaning and centering two buoyancy tank sections, wherein the leveling is the first problem in three steps, in order to accurately and quickly finish the leveling, a process balance water tank 3 is arranged on each buoyancy tank section, and the total sections are pulled up after the leveling is carried out by utilizing the balance water tanks 3 according to the total weight, the gravity center and the buoyancy center state of the buoyancy tanks; D. dragging the water-separating sleeve to enable the water-separating sleeve to work normally, hoisting the water-separating sleeve 1 into water, leveling the water-separating sleeve, sinking to the dragging depth of 3.6m, dragging to a storage position at the joint of the buoyancy tank by a boat, tying a mooring rope on a mooring rope pile 2 of the total section of the buoyancy tank, and moving the water-separating sleeve into a working position after positioning a deck 7; aligning the waterproof jacket to the center of the closure seam 4, discharging water in the pressure loading cabin of the waterproof jacket by taking the mark rod as a reference to enable the waterproof jacket to float and be pre-compressed, moving the topside watertight device to achieve topside watertight, discharging water in a working channel of the waterproof jacket, and discharging water which permeates into the waterproof jacket and flows into the water collecting well; E. welding and coating the closure joint of the buoyancy tank (stress relief adjustment load is needed before welding), and after the welding is finished, moving out the waterproof sleeve; F. the method comprises the steps of carrying out positioning measurement and installation on a dock wall after a buoyancy tank is closed on water, marking the height reference of the dock wall at the lower parts of an inner dock wall 5 and an outer dock wall 6, determining the closing height (allowance) and the top deck level and width closing reference according to the horizontal reference on the buoyancy tank, wherein the closing reference height of the inner dock wall 5 is 6000mm, and the closing reference height of the outer dock wall 6 is 5500 mm.
Claims (3)
1. A method for joining and docking large floating docks on water is characterized by comprising the following steps:
A. performing overwater large folding by adopting a tower type construction mode, and sequentially folding the floating box section towards the fore and the aft by taking the floating box section as a reference section;
B. building a tooling water-isolating sleeve;
C. closing the floating dock on water, leveling, pulling and aligning the two buoyancy tank sections;
D. dragging the water-proof sleeve to enable the water-proof sleeve to work normally, hoisting the water-proof sleeve into water, leveling the water-proof sleeve, sinking to a dragging depth of 3.6m, dragging the water-proof sleeve to a storage position at a joint of the buoyancy tank by using a boat, tying the water-proof sleeve to a bollard with a cable on the general section of the buoyancy tank, moving the water-proof sleeve to a working position after deck positioning, aligning the water-proof sleeve to the center of a closure seam, discharging water in a pressure loading cabin of the water-proof sleeve by using a mark rod as a reference, floating and pre-pressing the water-proof sleeve, moving a shipboard watertight device to achieve shipboard watertight, discharging water in a working channel of the water-proof sleeve, and discharging water which permeates into the water-proof sleeve and flows into a water collecting well;
E. welding and coating the closure seam of the buoyancy tank, and removing the water-resisting sleeve after the welding and coating are finished;
F. and positioning, measuring and installing a dock wall after the buoyancy tank is closed on water, marking a height reference of the dock wall at the lower parts of the inner dock wall and the outer dock wall, determining a closing height and a top deck horizontal according to the height reference of the buoyancy tank, ensuring a closing reference of the width, ensuring good closing precision of each segment, ensuring straightness of the closed segment to be used as an auxiliary measuring reference point for verticality of the dock wall, and completing closing, butt joint, measurement and positioning on water of the large-scale floating dock in a floating state through measurement and calculation.
2. The method for water gathering and docking of the large floating dock according to claim 1, wherein: in the step B, the waterproof jacket mainly comprises a working channel, a ballast tank, an empty tank, a water collecting well, a control tank and a side tower.
3. The method for water gathering and docking of the large floating dock according to claim 1, wherein: and C, arranging process balance water tanks on the two buoyancy tank sections, calculating according to the total weight, the gravity center and the buoyancy center state of the buoyancy tank, leveling by using the balance water tanks, and drawing up the buoyancy tank total section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499442.XA CN114872857A (en) | 2022-05-09 | 2022-05-09 | Water gathering and butt-jointing method for large-scale floating dock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210499442.XA CN114872857A (en) | 2022-05-09 | 2022-05-09 | Water gathering and butt-jointing method for large-scale floating dock |
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| CN114872857A true CN114872857A (en) | 2022-08-09 |
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| CN202210499442.XA Pending CN114872857A (en) | 2022-05-09 | 2022-05-09 | Water gathering and butt-jointing method for large-scale floating dock |
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Citations (11)
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|---|---|---|---|---|
| CN101397050A (en) * | 2008-10-22 | 2009-04-01 | 江苏科技大学 | Detachable multifunctional pontoon dock |
| CN101519108A (en) * | 2008-12-03 | 2009-09-02 | 广东中远船务工程有限公司 | Method for performing retrofitting underwater on large-scale marine equipment by utilizing water jacket |
| CN102167140A (en) * | 2011-03-23 | 2011-08-31 | 广东中远船务工程有限公司 | Method for measuring continuously-variable load precision of large-scale floating dock in floating state |
| CN102328729A (en) * | 2011-05-31 | 2012-01-25 | 江苏熔盛造船有限公司 | Process of afloat ship twin-islet jointing |
| CN102582799A (en) * | 2012-04-11 | 2012-07-18 | 广新海事重工股份有限公司 | Buoyancy tank and afloat buoyancy tank joining process |
| EP2682336A1 (en) * | 2012-07-05 | 2014-01-08 | Marine System Europa S.L. | A modular floating dock system |
| US20140174332A1 (en) * | 2012-06-25 | 2014-06-26 | Knight EZ Dock | Floating marine dock and connection system therefor |
| CN108557007A (en) * | 2018-04-03 | 2018-09-21 | 青岛造船厂有限公司 | A kind of huge block sea contraposition folding method of hull |
| CN110510062A (en) * | 2019-09-17 | 2019-11-29 | 上海振华重工启东海洋工程股份有限公司 | A kind of underwater closure workmanship in floating dock |
| CN210526809U (en) * | 2019-09-18 | 2020-05-15 | 上海振华重工启东海洋工程股份有限公司 | Underwater folding tool for floating dock |
| CN111188324A (en) * | 2019-12-26 | 2020-05-22 | 南通润邦海洋工程装备有限公司 | Overwater folding process for offshore wind power installation platform lifting system |
-
2022
- 2022-05-09 CN CN202210499442.XA patent/CN114872857A/en active Pending
Patent Citations (11)
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| CN101397050A (en) * | 2008-10-22 | 2009-04-01 | 江苏科技大学 | Detachable multifunctional pontoon dock |
| CN101519108A (en) * | 2008-12-03 | 2009-09-02 | 广东中远船务工程有限公司 | Method for performing retrofitting underwater on large-scale marine equipment by utilizing water jacket |
| CN102167140A (en) * | 2011-03-23 | 2011-08-31 | 广东中远船务工程有限公司 | Method for measuring continuously-variable load precision of large-scale floating dock in floating state |
| CN102328729A (en) * | 2011-05-31 | 2012-01-25 | 江苏熔盛造船有限公司 | Process of afloat ship twin-islet jointing |
| CN102582799A (en) * | 2012-04-11 | 2012-07-18 | 广新海事重工股份有限公司 | Buoyancy tank and afloat buoyancy tank joining process |
| US20140174332A1 (en) * | 2012-06-25 | 2014-06-26 | Knight EZ Dock | Floating marine dock and connection system therefor |
| EP2682336A1 (en) * | 2012-07-05 | 2014-01-08 | Marine System Europa S.L. | A modular floating dock system |
| CN108557007A (en) * | 2018-04-03 | 2018-09-21 | 青岛造船厂有限公司 | A kind of huge block sea contraposition folding method of hull |
| CN110510062A (en) * | 2019-09-17 | 2019-11-29 | 上海振华重工启东海洋工程股份有限公司 | A kind of underwater closure workmanship in floating dock |
| CN210526809U (en) * | 2019-09-18 | 2020-05-15 | 上海振华重工启东海洋工程股份有限公司 | Underwater folding tool for floating dock |
| CN111188324A (en) * | 2019-12-26 | 2020-05-22 | 南通润邦海洋工程装备有限公司 | Overwater folding process for offshore wind power installation platform lifting system |
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