CN102897298A - Method for floating, forward shifting, positioning and sitting three bow-stern semi ships in dock - Google Patents
Method for floating, forward shifting, positioning and sitting three bow-stern semi ships in dock Download PDFInfo
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- CN102897298A CN102897298A CN201210404665XA CN201210404665A CN102897298A CN 102897298 A CN102897298 A CN 102897298A CN 201210404665X A CN201210404665X A CN 201210404665XA CN 201210404665 A CN201210404665 A CN 201210404665A CN 102897298 A CN102897298 A CN 102897298A
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Abstract
The invention relates to a method for floating, forward shifting, positioning and sitting three bow-stern semi ships in a dock, belonging to the technical field of ship building. The invention has the specific technical scheme that the method comprises the following steps of: plugging the open parts of the three bow-stern semi ships, assigning positioning neat lines on the ships and the ground of the dock bank, determining the positioning and sitting widths through measurement, ballasting the three empty bow-stern semi ships, adjusting the bow-stern semi ships into flat floating after ballast floating, bundling the three bow-stern semi ships into one working whole, floating and forward shifting the three bow-stern semi ships by dragging via a dock end electric winch and controlling ship positions via a ship shifting trolley, positioning and sitting the two bow-stern semi ships on both sides and the one bow-stern semi ship in the middle successively by using positioning piers, a theodolite and the positioning neat lines, finally emptying water in the dock, cleaning the bottom of the dock, and reassigning construction reference lines. The invention provides important technical support for the smooth implementation of the '3+3' advanced ship construction method, so that the '3+3' advanced ship construction method is realized, the dock resources are fully utilized, the production efficiency is increased, and the cost is lowered.
Description
Technical field
The present invention relates to three stern half ship floating, reaches in dock, the honest method of locating, fall, belong to the ship building technical field.
Background technology
China's ship building industry orthodox method is " 2+2 " ship construction method, can not enough take full advantage of space in the dock, the present invention relates to " 3+3 " ship construction method, in " 3+3 " ship construction method, front " 3 " refer to three complete ships, begin just to build in dock the to the last complete shaping of hull in dock from shop fixtures, and after finishing mechanical, electrical corresponding fortification, float, undock in the original place." 3 " refer to three stern half ships afterwards, utilize the vacant of dock length, build simultaneously in dock with front " 3 ".Before " 3 " are floating undock after, rear " 3 " floating reach, and " 3 " original position before being positioned, through the pier that falls, draining, again after the operation such as line, new location continues to build in dock, at last complete floating undocking." 3+3 " shipbuilding method takes full advantage of the dock resource, enhances productivity, and reduces cost.
Summary of the invention
Technical matters to be solved by this invention provides three stern half ship floating, reaches in dock, the honest method of locating, fall, for " 3+3 " advanced ship construction method implements to provide the important technology guarantee smoothly.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: three stern half ship floating, reaches in dock, the honest method of locating, fall, it is characterized in that may further comprise the steps,
Seal double bottom that described three sterns, half ship front end opens wide and the respective openings of bottom side tank part, stern tube open rearward end part and ballasthold with steel plate;
On described three stern half ships, bank ground, dock depressed place surveys according to the construction datum line of three complete ships and delimit a position directrix, and absorb water mark post in three sterns, half ship hull centerline temporarily and survey the chi of striking, measure to build two sterns, the half ship hull half-breadth value (containing the outside plate thickness of slab) of three stern half ship both sides, datum line place and two complete ship hull line of centerss to the width of dock bulkhead wall, determine that the location leans on the pier width;
To described three sterns, half ship clean ship ballast, ballast reaches flat floating as principle take described three stern half ships, and water filling in the dock realizes described three sterns, half ship hull floating, adjust ballast by the diving pump that is equipped with inside and outside the ballasthold after the floating, make three stern half ships reach flat floating;
After described three sterns, the half ship leveling, stern half ship of a side in three stern half ships of tractive, make itself and dock bulkhead wall band cable near.Stern half ship of stern half ship of three stern half amidships of tractive and a described side reclines again, adjust afterwards the spacing of stern half ship of stern half ship of opposite side in three stern half ships and described centre, and leaning on pier between this two ship between installation ship, be an operation integral body with three stern half ship bundles at last, and with dock bulkhead wall band cable, wait for reach;
By the traction of dock termination electric winch, control three stern half ship accommodations, make three stern half ship floating reaches, during three close assigned addresses of stern half ships, electric winch stops;
Three stern half ship positionnings, pier falls: the location is installed by pier at the dock bulkhead wall of three sterns, half ship, one side, by the chain block tractive, utilize the location by pier, theodolite, the location directrix is located stern half ship of a described side and its location with a described side is strained by pier, the location is installed by pier at the dock bulkhead wall of three sterns, half ship opposite side again, the binding of stern half ship removing described opposite side and middle stern half ship, after reaching, moves tractive stern half ship of described opposite side, make it accurately to locate and strain by pier with the location of described opposite side, the colligation of stern half ship of a lax described side and middle stern half ship, slowly discharge the dock maritime interior waters, along with water level descends, loosen in order chain block, two sterns, the half ship accommodation of control both sides, the pier until accurately fall, affirmation falls behind the pier, continue to discharge seawater so that two stern half ships of both sides are firm, stop afterwards draining, stern half ship in the middle of freeing, take two stern half ships of both sides as benchmark, stern half ship in the middle of adjusting, make it accurately in place, then slowly discharge the dock maritime interior waters, the pier until middle stern half ship falls, confirm that three stern half ships all fall behind the pier smoothly, discharge ballast waters in dock maritime interior waters and three the stern half ship ships;
According to actual three stern half ship positions, again survey the bottom slab of rowing the boat and build datum line, build datum line and comprise line of centers, half-breadth line, specify the rib bit line, close up suture, bow after perpendicular subpoint.
Further, be provided with the anti-collision back cushion between three stern half ships.
The invention has the beneficial effects as follows: implement smoothly to provide the important technology guarantee for " 3+3 " advanced ship construction method, make it to be achieved, take full advantage of the dock resource, enhance productivity, reduce cost.
Description of drawings
Fig. 1 is mooring arrangement plan of the present invention;
Fig. 2 is that the present invention draws the location arrangement plan.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, the location is by pier, 2, the mooring draw ring, 3, between ship by pier, 4, trailer wagon, 5, hanger.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present invention and feature are described, institute gives an actual example and only is used for explaining the present invention, is not be used to limiting scope of the present invention.
Technique specific embodiment of the present invention is that three stern half ships of 75200DWT bulge carrier integral body in the depressed place is floating, the method for the pier that moves forward, locates, falls.Because spacing is narrow and small between ship and dock wall, three ships, to the safety of operation, the accuracy rate of location requires all very high, must take seriously careful operation.
One, mooring
Three stern half ships form an operation integral body by tying-up.
1.1 being divided into two stages, mooring carries out.
(1) floating front colligation.This stage can not tighten, consider floating after, middle ship and both sides ship have the draft difference of 430mm.
After the equal floating of (2) three ships and the leveling, tighten hawser, three ships bundle is integrated.
Specifically see Fig. 1.
1.2 ship---hang the anti-collision protection pad between ship.
Two, the sealing front and back end opens wide part
With double bottom and the bottom side tank part that steel plate temporary sealing stern half ship front end (FR135-210mm place) is opened wide, the respective openings of stern tube open rearward end part and ballasthold.
Three, survey a stroke installation, calibration location, directrix, sign (comprehensive line is schemed)
3.1 survey and draw on east, gallery ground, west building horizontal directrix FR68, FR128 at the bottom of the complete dock, FR134 rib bit line is turned draw to bank ground, thing depressed place, and paint bottoming, on painting, make obvious sign with fine rule.
3.2, survey and draw FR134 rib bit line and play the ocean punching, with the paint bottoming that is different from the outside plate color, 19.3m～19.6m scope near on the outside plate of dock wall one side of a ship at stern half shipowner, western two ships.Also this rib bit line is turned simultaneously to draw on the ground that extends to east, two sides, west and paint bottoming, draw fine rule and do obvious sign.
3.3 on middle shipowner deck, FR128 place (the left and right side of a ship) installs rib position mark post, and surveys thereon and draw FR128 rib bit line (thin painted line).
3.4 at eastern port, survey on the main deck and draw FR128 rib bit line (thin painted line).
3.5 absorb water on the mark post in per half ship hull centerline temporarily, survey the chi of striking, scope is 2.4m～4.4m, the water gauge line is spaced apart 200mm.
3.6 at per half ship, two sides of a ship, FR36 and FR134 place, surveying and drawing length is the 9.0m waterline of 200mm.Beat foreign punch mark, and accurately mark with thin painted line, the standby levelness of measuring is used.
3.7 half ship starboard FR68, FR128 place in the west, vertically down measuring 4.8m place stroke length from the deck plate upper surface is the 1.2m horizon.
3.8 the 5th cargo hold (between FR98～FR128) the side plate inside face of each half bar ship (about two sides of a ship), survey and mark ballast waterline, surveying and drawing the position is between the FR100-FR101, between the FR108-FR109, between the FR117-FR118, between the FR126-FR127.Middle ship water line is apart from tank top plate 4m; East ship water line is apart from tank top plate 3.78m, and western ship water line is apart from tank top plate 3.7m, and identifies with obvious painted line.
3.9 in east, west two ships the 6th cargo holds (between FR68～FR98) side plate inside face (the left and right side of a ship) surveys and draw a ballast waterline, surveying and drawing the position is between the FR72-FR73, between the FR79-FR80, between the FR87-FR88, between the FR95-FR96, east ship water line is apart from tank top plate 4.05m, west ship water line is apart from tank top plate 2.46m, and identifies with obvious painted line.
Four, measure definite location by the pier width
4.1 actual measurement Da Wu east side stern half ship starboard, west side stern half port FR68 (a1, a2) locate, FR128 (b1, b2) locates hull half-breadth value (containing the outside plate thickness of slab).
4.2 survey large Wu Dong, the complete ship FR68 in western both sides (c1, c2), FR128 (d1, d2) locates, dock wall is to the width of complete ship hull line of centers (dock bottom line).
4.3 the level interval that half ship and western half ship FR68 (L1, L2), FR128 (L3, L4) locate in the middle of the actual measurement determines that with this location is by the pier width between ship.
Annotate: " one "～" four " fortification, should before large depressed place water filling, finish, grind institute by production control section, equipped section, Quality Mgmt Dept, ship before the suggestion water filling and check whether finish.Wherein, the 4th fortification advise that smart control group and ship grind institute's co-operate, and the line data are as the criterion with " half ship ballast water line chart " in 3.8～3.9.
Five, ballast for cruising
5.1 at middle ship No.5 cargo hold (ballast seawater of FR98～FR128), the about 2750T of ballast amount.
5.2 at eastern ship No.5 cargo hold (ballast seawater of FR98～FR128), about 2590T; No.6 cargo hold (ballast seawater of FR68～FR98), about 2800T.
5.3 at western ship No.5 cargo hold (ballast seawater of FR98～FR128), about 2515T; No.6 cargo hold (ballast seawater of FR68～FR98), about 1566T.
5.4 ballast reaches flat floating as principle (in the cabin waterline as with reference to), if the flat capable of regulating ballast that floats take real ship with ing.And flat floating situation is confirmed at any time inspection.All should be equipped with diving pump inside and outside the ballasthold this moment, and standby the accent carried usefulness.
5.5 ballast opportunity
See " water injection ballast control program " for details, the line data are as the criterion with " water injection ballast control program " in 5.1～5.3.
Six, floating
6.1 when three stern half ships and three whole ship ballasts (leveling) end, binding and appropriate with depressed place bank band cable, and according to principle technique (JL563-CT-GY-0064) requirement of undocking, meet when undocking the water filling condition, just can select a good opportunity to the dock chamber water filling, realize ship floatation.
6.2 after three stern half ship floatings, at first transfer and carry (if needs).Grind every ship by ship and join two special messengers, the separately bow stern mark post drinking water (middle ship is observed configurable glass) of the boats and ships be responsible for of observatory and the observed result report transferred carry responsible official's (ship grinds institute and selects and appoints) is carried a responsible official and is assumed unified command of ship drilling pump personnel and transfer and carry by transferring.(observation and commanding, ship drilling pump personnel all should join interphone)
6.3 after three stern half ship leveling, first tractive east ship, with its with depressed place eastern bulkhead wall band cable near.Ship and eastern ship recline in the tractive again.Adjust afterwards the spacing of western ship and middle ship, leaning on pier between this two ship between installation ship.By behind the pier installation in position, be an operation integral body with three stern half ships bundles between ship, and with east, depressed place, west bank band cable, wait for moving forward.(facility of tractive boats and ships and means ask department of Transport to be considered)
Seven, the location is installed by pier and auxiliary positioning facility
7.1 four location are loaded on respectively east, west side dock wall by pier, former complete ship FR68, place, FR128 rib position (see figure 2) fill first west side Kao Dun, when western ship positionning and after being close to it, refill east side Kao Dun.This is operated in and carries out after whole ship undocks.(installing when stern half ship pulls when substantially putting in place)
7.2 traction, positioning winch (if needs) and chain block are installed, (seeing " traction location arrangement plan ").Before this, plate corresponding position overboard, welding equipment traction eye thimble, and the prepackage cable wire reaches bank.This work should be finished before large depressed place water filling.
Eight, move ship
8.1 stern half ship moves ship, should undock fully at whole ship, carries out after dock gate resets, closes.And the suitable draining of dock chamber depth of water to the depressed place is 5.2m.(these data are with " the water injection ballast control program is as the criterion ")
8.2 utilize large depressed place the North winch with low speed, draw respectively the reach of thing two ships.Need assembling interim checking bollard, earrings or utilize fixation means on the ship.
8.3 the ship dolly is drawn in utilization or interim winch is effectively controlled the accommodation, occurs with anticollision.
8.4 three stern half ship integrated moving will guarantee can not collide when boats and ships move the location by pier.
Nine, ship's fix, Luo Dun
9.1 when boats and ships during apart from the new about 2m of assigned address, traction winch stops, the chain block of migrating fine setting is located.
9.2 locate first western ship, eastern ship auxiliary positioning.(utilizing by pier theodolite and location directrix)
9.3 after western ship is accurately located, itself and west side are strained by pier, east side Kao Dun are installed afterwards.
9.4 remove the binding of eastern ship and middle ship, tractive moves eastern ship after reaching, and makes it accurately to locate and strain by pier with the east side.
9.5 the small displacement pump is used in the colligation (but not freeing) of lax western ship and middle ship, slowly discharges the depressed place maritime interior waters, along with water level descends, loosen in order the tractive cucurbit, and observe at any time, control east, accommodation, west, the pier until east, west two ships accurately fall, (observe in the depressed place water level and drauht poor).
Behind the pier, dock chamber is discharged the 100mm seawater again, so that two ships are firm 9.6 affirmation east, west two ships fall.Stop afterwards the dock chamber draining.
9.7 in the middle of freeing to the east of the ship, western two ships are benchmark, ship in the middle of adjusting makes it accurately in place.Then, slowly drainage goes out the dock chamber seawater, the pier until middle ship falls.
All fall smoothly behind the pier 9.8 confirm three stern half ships, order to discharge ballast water in dock chamber seawater (greatly discharge capacity draining) and the ship by large depressed place commanding officer.The ship internal drainage should be coordinated mutually with the dock chamber draining, to prevent again floating of boats and ships.
9.9 when adjusting middle accommodation, on east, the west ship personnel's operation is arranged, the personnel of going on board should wear life jacket, and must have the hanging basket of going ashore on the personnel.
9.10 in the ship's fix process, except tractive operating personal, smart control personnel, ship grinds should send the special messenger to participate in, and confirms put in place situation and grind the commanding officer of institute report to ship of boats and ships.It is unified after large depressed place notes draining commanding officer report that ship grinds the commanding officer of institute, carries out the water level operation.
Ten, again survey stroke bottom slab and build datum line
The pier 10.1 boats and ships fall, and after discharging cargo hold and all seawater of dock chamber, the cleaning dock bottom.
10.2 check the horizontal situation of every ship, and made a record by the special messenger.The dispensing ship grinds institute, Quality Mgmt Dept, equipped section.Standard is front and back deviation≤15mm; Left-right deviation≤10mm.
10.3 according to real ship position, again survey the construction datum line (comprise line of centers, half-breadth line, specify the rib bit line, close up suture, bow after perpendicular subpoint) of drawing three ships, and record and former datum line deviation, the dispensing ship grinds institute, Quality Mgmt Dept, equipped section.
11, move after boatman's thing finishes, the location is by pier etc., and used frock must have special department to reclaim, and keeps properly, and is standby follow-up peculiar to vessel.
12, three ship diff-Hs are as the criterion with actual, and actual height please the equipped section on-site measurement.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. three stern half ship floating, reaches in dock, the honest method of locating, fall is characterized in that may further comprise the steps,
Seal double bottom that described three sterns, half ship front end opens wide and the respective openings of bottom side tank part, stern tube open rearward end part and ballasthold with steel plate;
On described three stern half ships, bank ground, dock depressed place surveys and delimit a position directrix, measure and determine that the location is by the pier width;
To described three sterns, half ship clean ship ballast, ballast reaches flat floating as principle take described three stern half ships, and water filling in the dock realizes described three sterns, half ship hull floating, adjust ballast by the diving pump that is equipped with inside and outside the ballasthold after the floating, make three stern half ships reach flat floating;
After described three sterns, the half ship leveling, stern half ship of a side in three stern half ships of tractive, make itself and dock bulkhead wall band cable near.Stern half ship of stern half ship of three stern half amidships of tractive and a described side reclines again, adjust afterwards the spacing of stern half ship of stern half ship of opposite side in three stern half ships and described centre, and leaning on pier between this two ship between installation ship, be an operation integral body with three stern half ship bundles at last, and with dock bulkhead wall band cable, wait for reach;
By the traction of dock termination electric winch, control three stern half ship accommodations, make three stern half ship floating reaches, during three close assigned addresses of stern half ships, electric winch stops;
Three stern half ship positionnings, pier falls: the location is installed by pier at the dock bulkhead wall of three sterns, half ship, one side, by the chain block tractive, utilize the location by pier, theodolite, the location directrix is located stern half ship of a described side and its location with a described side is strained by pier, the location is installed by pier at the dock bulkhead wall of three sterns, half ship opposite side again, the binding of stern half ship removing described opposite side and middle stern half ship, after reaching, moves tractive stern half ship of described opposite side, make it accurately to locate and strain by pier with the location of described opposite side, the colligation of stern half ship of a lax described side and middle stern half ship, slowly discharge the dock maritime interior waters, along with water level descends, loosen in order chain block, two sterns, the half ship accommodation of control both sides, the pier until accurately fall, affirmation falls behind the pier, continue to discharge seawater so that two stern half ships of both sides are firm, stop afterwards draining, stern half ship in the middle of freeing, take two stern half ships of both sides as benchmark, stern half ship in the middle of adjusting, make it accurately in place, then slowly discharge the dock maritime interior waters, the pier until middle stern half ship falls, confirm that three stern half ships all fall behind the pier smoothly, discharge ballast waters in dock maritime interior waters and three the stern half ship ships;
According to described three stern half ship positions of reality, again survey the bottom slab of rowing the boat and build datum line.
2. three stern half ship floating, reaches in dock as claimed in claim 1, the honest method of locating, fall is characterized in that, are provided with the anti-collision back cushion between described three stern half ships.
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| CN201210404665.XA CN102897298B (en) | 2012-10-22 | 2012-10-22 | Method for floating, forward shifting, positioning and sitting three bow-stern semi ships in dock |
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| CN201210404665.XA CN102897298B (en) | 2012-10-22 | 2012-10-22 | Method for floating, forward shifting, positioning and sitting three bow-stern semi ships in dock |
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| CN104724265A (en) * | 2013-12-20 | 2015-06-24 | 广州中船黄埔造船有限公司 | Double-line side-by-side opposite-pull boat moving method |
| CN107539439A (en) * | 2017-09-08 | 2018-01-05 | 上海外高桥造船有限公司 | The method for preventing half ship floating in dock |
| CN109250034A (en) * | 2018-06-21 | 2019-01-22 | 招商局重工（江苏）有限公司 | A kind of half ship floating and the localization method for falling pier |
| CN109579803A (en) * | 2018-10-29 | 2019-04-05 | 广州黄船海洋工程有限公司 | A kind of Ship docking positioning and monitoring method |
| WO2020019594A1 (en) * | 2018-07-26 | 2020-01-30 | 江苏扬子鑫福造船有限公司 | Method for rapid overall displacement and docking of two large floating ship halves |
| CN114987720A (en) * | 2022-05-30 | 2022-09-02 | 广船国际有限公司 | Undocking method of ship structure |
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| CN101920771A (en) * | 2010-05-14 | 2010-12-22 | 蓬莱中柏京鲁船业有限公司 | Method for undock ballasting in ship building |
| CN101920766A (en) * | 2010-05-14 | 2010-12-22 | 蓬莱中柏京鲁船业有限公司 | Shipbuilding method |
| CN102514687A (en) * | 2011-12-16 | 2012-06-27 | 蓬莱中柏京鲁船业有限公司 | Ship block closing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104724265A (en) * | 2013-12-20 | 2015-06-24 | 广州中船黄埔造船有限公司 | Double-line side-by-side opposite-pull boat moving method |
| CN104724265B (en) * | 2013-12-20 | 2017-06-27 | 广州中船黄埔造船有限公司 | A kind of two-wire is side by side to drawing shifting ship's method |
| CN107539439A (en) * | 2017-09-08 | 2018-01-05 | 上海外高桥造船有限公司 | The method for preventing half ship floating in dock |
| CN109250034A (en) * | 2018-06-21 | 2019-01-22 | 招商局重工（江苏）有限公司 | A kind of half ship floating and the localization method for falling pier |
| WO2020019594A1 (en) * | 2018-07-26 | 2020-01-30 | 江苏扬子鑫福造船有限公司 | Method for rapid overall displacement and docking of two large floating ship halves |
| CN110758672A (en) * | 2018-07-26 | 2020-02-07 | 江苏扬子鑫福造船有限公司 | Method for quickly and integrally shifting and falling two large semi-floating ships |
| CN109579803A (en) * | 2018-10-29 | 2019-04-05 | 广州黄船海洋工程有限公司 | A kind of Ship docking positioning and monitoring method |
| CN114987720A (en) * | 2022-05-30 | 2022-09-02 | 广船国际有限公司 | Undocking method of ship structure |
| CN114987720B (en) * | 2022-05-30 | 2023-12-05 | 广船国际有限公司 | Undocking method of ship structure |
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| CN102897298B (en) | 2014-10-22 |
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