CN101850831A - A hoisting method for the general section of the living area of a large-scale ocean-going offshore platform - Google Patents
A hoisting method for the general section of the living area of a large-scale ocean-going offshore platform Download PDFInfo
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- CN101850831A CN101850831A CN 201010188148 CN201010188148A CN101850831A CN 101850831 A CN101850831 A CN 101850831A CN 201010188148 CN201010188148 CN 201010188148 CN 201010188148 A CN201010188148 A CN 201010188148A CN 101850831 A CN101850831 A CN 101850831A
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Abstract
本发明公开了一种大型远洋海工平台生活区总段吊装方法，特别适用于大型平台模块的吊装。该方法提供了一种大型远洋海工平台生活区总段吊装方法，在吊装过程中，通过方驳的移动来完成生活区平台的运输与定位。本方法具有工作效率高、危险性小、平台质量高，满足海工平台的服役功能，可操作性和适应性强，特别适用于海洋工程装备和船舶建造等大型模块的吊装。
The invention discloses a hoisting method for the general section of the living area of a large-scale ocean engineering platform, which is particularly suitable for hoisting of large-scale platform modules. The method provides a hoisting method for the general section of the living area of a large ocean-going offshore engineering platform. During the hoisting process, the transportation and positioning of the living area platform are completed by moving the square barge. The method has high working efficiency, low risk, high platform quality, meets the service function of the offshore engineering platform, has strong operability and adaptability, and is especially suitable for hoisting of large modules such as ocean engineering equipment and shipbuilding.
Description
Technical field:
The present invention relates to the construction applications of maritime platform and large ship, refer in particular to a kind of hoisting method of living area block of large ocean maritime work platform, be specially adapted to the lifting of large ship and flat-bed living quarters platform, safe, operability and applicability are strong.
Background technology:
Along with increasing progressively of deep-sea oil mining depth, more considerable oil reserves is just constantly excavated.According to estimates, marine 44% hydrocarbon resources is positioned at waters below 3000 meters, and the huge interests that the deep-sea oil exploitation brings make each state all transfer to this field to sight.Along with exploitation of offshore oil and gas advances to the deep-sea gradually, traditional mobile platform (as drilling ship, semisubmersible platform) is because under the wave effect, its exercise performance is difficult to satisfy the requirement of deepwater work and is challenged.In this case, Floating Production storage unloading system (FPSO) arises at the historic moment, as the cylindrical shape oil drilling platform hull of going into DNV classification society, 85 meters of cylindrical shell maximum gauges, 75 meters of molded breadths, it drives attitude position fixing system, power system, mud system, well system etc., be first cylindrical shape marine drilling platform in the global range, technical risk and production difficulty are all very big.
Nearly all platform and boats and ships all will be installed the living quarters.The living quarters module has two kinds by the dress method at present: directly build the living quarters on boats and ships or platform; Build the living quarters on land, by large-scale floating crane it is directly lifted on boats and ships or the platform again and install.There is following problem in these two kinds of methods of construction:
1, directly on platform or boats and ships, builds the living quarters, because some platform and boats and ships will be built on the ocean, make and be subjected to external environment influence big when building the living quarters platform, influence quality, the living quarters platform is built on boats and ships or platform up to several meters in addition, need carry out aloft work, crudy is poor, and hold facility rate height prolongs the duration.
2, build the living quarters on land, by large-scale floating crane it is directly lifted on boats and ships or the platform again and install, hundreds of ton even last kiloton because the living quarters platform weighs, by crane barge it is sling to turn round then and move to platform or the position of ship place lifts, the crane barge living quarters platform that plays all the time in the whole process, be subjected to external environment such as wave, wind effect bigger in the operational process, be unfavorable for accurate location, dangerous high.
Summary of the invention:
The present invention is directed to maritime platform propelling unit pedestal the technical matters that exists in the welding is installed, a kind of hoisting method of living area block of large ocean maritime work platform has been proposed, build the living quarters platform on land, utilize crane barge that the living quarters platform is sling, the side of putting into is refuted, transport and angle orientation by square refuting, hang assigned address by crane barge again, install.This hanging method high efficiency, dangerous little, platform quality height, operability and comformability are strong, can be applied to large-scale manufacture such as ocean engineering equipment and ship building.
The technical scheme that the present invention addresses the above problem comprises following steps:
(1) dead work before the lifting:
Should be chosen in the time of a, lifting under the situation that flow rate of water flow, wind speed allow and carry out;
B, living quarters are provided with four interim suspension ring, and draw in advance and established steel rope;
The principal dimensions of c, measurement living quarters complete cross section, and on deck, maritime platform living quarters, survey and draw a line of centers and a structure installation site line, and survey and draw a living quarters segmentation line of centers;
D, maritime platform displacement is accommodated to the downstream, for the crane barge turnover and stop and leave enough intervals;
It is safety load greater than 135 tons, diameter is the steel rope of 110mm that e, hanging beam adopt because hanging beam below rope capacity is not enough, in the end with 200 tons of shackles and 500 tons of shackle spreadings.
(2) complete cross section hoisting process:
A, crane barge are accommodated to the harbour correct position, decontrol the top of arm to complete cross section, steel rope, hanging beam, complete cross section are in place on request, and conscientiously check errorless;
B, when promoting the living quarters complete cross section and break away from moulding bed 50mm-70mm fully with crane barge, suspend and promote and stop that loose suspension hook puts down after 10 minutes, magnetic particle inspection hanger, hanging beam are checked to have or not abnormal condition;
C, continuation promote overhead height 3-4 rice of living quarters complete cross section, stop to promote; Crane barge slowly outwards moves and adjusts direction, and the crane barge upstream direction moves, when between crane barge and the maritime platform apart from 80-100 rice the time, stop mobile crane barge; Slowly move down suspension hook, in the time of the height 4-5 of dried up of living quarters complete cross section rice, stop to move down;
D, ready side refuted move to complete cross section below, continue slowly to move down suspension hook;
E, when complete cross section, stops suspension hook and moves down when refuting deck plane 20cm-30cm from the side, the position that adjustments side is refuted makes the complete cross section bulkhead near the link stopper of just refuting, continuation slowly moves down suspension hook, till refute and comes to a complete stop the complete cross section side of leaving over;
F, checking bollard is refuted by the steel rope that sets in advance on the complete cross section and side be connected and fasten, continue to move down suspension hook, the steel rope on the disengagement crane barge suspension hook;
G, slowly the side is refuted with tugboat and to be come to a complete stop after adjusting angle, the steel rope of throwing off is hung up suspension hook again; Promote suspension hook, when the steel rope of hanging beam upper and lower is strained, temporarily stop to promote;
H, unclamp the steel rope that the side of being tied to is refuted, continue to promote when height under hook is 50-70 rice and stop, the side is refuted removed;
I, mobile crane barge are to the appropriate location, slowly move down suspension hook, adjust the hookup wire contraposition on complete cross section end opening and the deck, maritime platform living quarters, when end opening when altitude above deck is 300mm-400mm, suspending suspension hook moves down, connect hanger and hanger on the deck and tension in the segmentation with cucurbit, till treating bulkhead and link stopper on the deck contacting fully;
J, continue to move down suspension hook, when the complete cross section end opening soon contacts the deck, suspend suspension hook and move down, check the whether contraposition fully of hookup wire on bulkhead plating and the deck, do suitable adjustment if any discrepancy; Continue to move down suspension hook till complete cross section is put surely;
K, complete cross section unclamp suspension hook after fixing with the horse plate, remove crane barge.
Further improvement of the present invention is: the rhombus that hanging beam inside is made up of four strut bars is inscribed within the outer rectangular support frame, draws two mutually vertical ramuscule struts respectively perpendicular to the outer rectangular framework by every strut bar center position again.
Further improvement of the present invention is: refute in the side and be provided with three blocks, be respectively first block, second block and the 3rd block, second link stopper and the 3rd block are separately positioned on the front, living quarters, and respectively apart from the both sides 1/10-1/8L in living quarters, wherein L is the anterior length in living quarters, first block is positioned at 1/4-1/3S place, rear portion, living quarters, and wherein S is platform rear portion, a living quarters width.
The present invention compared with prior art has the following advantages:
1, hoisting process has adopted the side to refute, and crane barge is refuted the side of hanging, living quarters, refutes by the side living quarters is transported near the maritime platform again, lifts on the platform, has guaranteed the stationarity and the particularity of hoisting process.
2, because the living quarters platform is built on land, and the device resource that takies is few, the production efficiency height, crudy is good, makes the duration shorten cost and reduces.
3, this hanging method oceanographic equipment kind that can lift is many, is particularly suitable for the lifting of boats and ships and flat-bed heavy die block, and bigger construction flexibility is arranged.
4, this hanging method is simple and practical, and technology is simple, applied range, and operability and repeatable strong is for other ocean engineering equipment construction provide guidance.
Description of drawings:
Fig. 1 is living quarters hoisting process one sketch;
Fig. 2 is living quarters hoisting process two sketches;
Fig. 3 is living quarters hoisting process three sketches;
Fig. 4 is living quarters hoisting process four sketches;
Fig. 5 is the position view one that refute in the side in the living quarters;
Fig. 6 is the position view two that refute in the side in the living quarters.
Number in the figure: 1-hull, 2-crane barge, 3-side are refuted, 4-living quarters, 5-first block, 6-second block, 7-the 3rd block.
The specific embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment, and this embodiment only is used to explain the present invention, do not constitute the qualification to protection domain of the present invention.
This example lifts with the living quarters platform of a hull whole hoisting process is described.Whole living quarters bottom-to-top-height is 22 meters (not containing the living quarters platform), complete cross section total weight (11.76 tons of 552.8 tons of structure net weight+60 tons+ladder access of the welding 16.58 tons+piping weight about 30 tons+sanitary unit of 11.37 tons+insulating material of 13.46 tons+HVAC weight, 4.55 tons+cable tray weight part, and hanging beam, rigging weight 50 tons) adds up to 750.52 tons.The invention provides a kind of a kind of specific embodiment of hoisting method of living area block of large ocean maritime work platform, its concrete steps and item:
(1) dead work before the lifting:
Should be chosen in the steady flow velocity≤2.0m/s of current in the time of a, lifting, carry out under the situation of wind speed≤4 grade (Pu Shi weathercock);
B, living quarters are provided with four interim suspension ring, and draw in advance and established steel rope;
The principal dimensions of c, measurement living quarters complete cross section, and on the platform of hull living quarters, survey and draw a line of centers and a structure installation site line, and survey and draw a living quarters segmentation line of centers;
D, hull main body displacement is accommodated to the downstream, for the crane barge turnover and stop and leave enough intervals;
E, hanging beam adopt be safety load greater than 135 tons, diameter is the steel rope of 110mm, because steel rope L=18200mm length is not enough, needs in the end with 200 tons of shackles and 500 tons of shackle spreadings.
(2) complete cross section hoisting process:
A, crane barge are accommodated to the harbour correct position, decontrol the top of arm to complete cross section, steel rope, hanging beam, complete cross section are in place on request, and conscientiously check errorless (Fig. 1);
B, promote the living quarters complete cross section with crane barge and break away from the about 50mm of moulding bed fully, suspend to promote also and stopped about 10 minutes, the loose suspension hook in back puts down, and magnetic particle inspection hanger, hanging beam are checked to have or not abnormal condition (Fig. 1);
C, continuation promote overhead highly about 3 meters of living quarters complete cross section, stop to promote; Crane barge slowly outwards moves and adjusts direction, and the crane barge upstream direction moves, and in the time of about 100 meters of the distance between crane barge and the cylindrical shell, stops mobile crane barge; Slowly move down suspension hook, when the height of dried up of living quarters complete cross section is approximately 4 meters, stop to move down;
D, ready 40 * 50 meters sides are refuted move to complete cross section below, continue slowly to move down suspension hook, refute in conjunction with Fig. 6 side and to be provided with block, second block 6 and the 3rd block 7 are separately positioned on the front, living quarters, and apart from the both sides 1/10-1/8L in living quarters, first block 5 is positioned at 1/4-1/3S place, rear portion, living quarters respectively, and wherein L is the anterior length in living quarters, wherein S is platform rear portion, a living quarters width, determines the position that refute in the side in the living quarters in conjunction with Fig. 5 and Fig. 6;
E, when complete cross section, stops suspension hook and moves down when refuting the about 20cm of deck plane from the side, the position that adjustments side is refuted makes the complete cross section bulkhead near the link stopper of just refuting, continuation slowly moves down suspension hook, till refute and comes to a complete stop the complete cross section side of leaving over (Fig. 2);
F, checking bollard is refuted by the steel rope that sets in advance on the complete cross section and side be connected and fasten, continue to move down suspension hook, the steel rope on the disengagement crane barge suspension hook;
G, come to a complete stop (Fig. 3) after slowly the side being refuted Rotate 180 ° with tugboat, the steel rope of throwing off is hung up suspension hook again, promote suspension hook, when the steel rope tension of hanging beam upper and lower, temporarily stop to promote;
H, unclamp the steel rope that the side of being tied to is refuted, continue to promote when height under hook is approximately 69 meters and stop, the side is refuted removed;
I, mobile crane barge appropriate location, slowly move down suspension hook, adjust the hookup wire contraposition on the corresponding deck of complete cross section end opening with hull, when end opening when altitude above deck is approximately 300mm, suspending suspension hook moves down, connect hanger and hanger on the deck and tension in the segmentation with cucurbit, till treating bulkhead and link stopper on the deck contacting fully (Fig. 4);
J, continue to move down suspension hook, when the complete cross section end opening soon contacts the deck, suspend suspension hook and move down, check the whether contraposition fully of hookup wire on bulkhead plating and the deck, do suitable adjustment if any discrepancy, continue to move down suspension hook up to complete cross section put steady till (Fig. 4);
K, complete cross section unclamp suspension hook after fixing with the horse plate, remove crane barge.
(3) hull is shifted, turns round notice;
1, harbour group sailor pays close attention to the degree of tightness state of hawser in adjusting the hawser process, prevents to cause because of the hawser tension generation of disconnected cable incident, is shifted, turns round process thereby influence hull.
2, far logical depressed place and winch operating personal are avoided flat-out acceleration operation winch or winch when operation, in order to avoid steel rope causes wire cable rupture because of stressed suddenly, influence the hull displacement, turn round process.
3, each tugboat is wanted slow extra bus when operation, has listened to high frequency.
4, pay close attention to weather condition, wind-force stops operation greater than 6 grades.
The present invention has been successfully applied to the living quarters platform hoisting process of hull, satisfies every requirement of hull construction.The present invention is not limited to living quarters flat-bed lifting, also is applicable to the lifting of boats and ships and other module of flat-bed.
In sum, the present invention relates to one about living quarters flat-bed hanging method, solved the big problem of construction difficulty on maritime platform and boats and ships by building the living quarters platform on land, cooperate with square refuting by crane barge, finish the living quarters platform from land to the maritime platform or the hoisting process of boats and ships, solved the problem that the lifting of macrotype platform module is difficult, the location is difficult, the present invention has been successfully applied to the living quarters platform of hull and has installed, safe and reliable, the assembly precision height, operability and comformability are strong.
Claims (3)
1. hoisting method of living area block of large ocean maritime work platform is characterized in that: comprise following steps:
(1) dead work before the lifting:
Should be chosen in the time of a, lifting under the situation that flow rate of water flow, wind speed allow and carry out;
B, living quarters are provided with four interim suspension ring, and draw in advance and established steel rope;
The principal dimensions of c, measurement living quarters complete cross section, and on deck, maritime platform living quarters, survey and draw a line of centers and a structure installation site line, and survey and draw a living quarters segmentation line of centers;
D, maritime platform displacement is accommodated to the downstream, for the crane barge turnover and stop and leave enough intervals;
It is safety load greater than 135 tons, diameter is the steel rope of 110mm that e, hanging beam adopt because hanging beam below rope capacity is not enough, in the end with 200 tons of shackles and 500 tons of shackle spreadings.
(2) complete cross section hoisting process:
A, crane barge are accommodated to the harbour correct position, decontrol the top of arm to complete cross section, steel rope, hanging beam, complete cross section are in place on request, and conscientiously check errorless;
B, when promoting the living quarters complete cross section and break away from moulding bed 50mm-70mm fully with crane barge, suspend and promote and stop that loose suspension hook puts down after 10 minutes, magnetic particle inspection hanger, hanging beam are checked to have or not abnormal condition;
C, continuation promote overhead height 3-4 rice of living quarters complete cross section, stop to promote; Crane barge slowly outwards moves and adjusts direction, and the crane barge upstream direction moves, when between crane barge and the maritime platform apart from 80-100 rice the time, stop mobile crane barge; Slowly move down suspension hook, in the time of the height 4-5 of dried up of living quarters complete cross section rice, stop to move down;
D, ready side refuted move to complete cross section below, continue slowly to move down suspension hook;
E, when complete cross section, stops suspension hook and moves down when refuting deck plane 20cm-30cm from the side, the position that adjustments side is refuted makes the complete cross section bulkhead near the link stopper of just refuting, continuation slowly moves down suspension hook, till refute and comes to a complete stop the complete cross section side of leaving over;
F, checking bollard is refuted by the steel rope that sets in advance on the complete cross section and side be connected and fasten, continue to move down suspension hook, the steel rope on the disengagement crane barge suspension hook;
G, slowly the side is refuted with tugboat and to be come to a complete stop after adjusting angle, the steel rope of throwing off is hung up suspension hook again; Promote suspension hook, when the steel rope of hanging beam upper and lower is strained, temporarily stop to promote;
H, unclamp the steel rope that the side of being tied to is refuted, continue to promote when height under hook is 50-70 rice and stop, the side is refuted removed;
I, mobile crane barge are to the appropriate location, slowly move down suspension hook, adjust the hookup wire contraposition on complete cross section end opening and the deck, maritime platform living quarters, when end opening when altitude above deck is 300mm-400mm, suspending suspension hook moves down, connect hanger and hanger on the deck and tension in the segmentation with cucurbit, till treating bulkhead and link stopper on the deck contacting fully;
J, continue to move down suspension hook, when the complete cross section end opening soon contacts the deck, suspend suspension hook and move down, check the whether contraposition fully of hookup wire on bulkhead plating and the deck, do suitable adjustment if any discrepancy; Continue to move down suspension hook till complete cross section is put surely;
K, complete cross section unclamp suspension hook after fixing with the horse plate, remove crane barge.
2. according to the described a kind of hoisting method of living area block of large ocean maritime work platform of claim 1, it is characterized in that: the rhombus that described hanging beam inside is made up of four strut bars is inscribed within the outer rectangular support frame, draws two mutually vertical ramuscule struts respectively perpendicular to the outer rectangular framework by every strut bar center position again.
3. according to the described a kind of hoisting method of living area block of large ocean maritime work platform of claim 1, it is characterized in that: refute described side and be provided with three blocks, be respectively first block (5), second block (6) and the 3rd block (7), described second link stopper (6) and the 3rd block (7) are separately positioned on the front, living quarters, and respectively apart from the both sides 1/10-1/8L in living quarters, wherein L is the anterior length in living quarters, described first block (5) is positioned at 1/4-1/3S place, rear portion, living quarters, and wherein S is platform rear portion, a living quarters width.
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Cited By (13)
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| CN102218587A (en) * | 2011-06-02 | 2011-10-19 | 扬帆集团股份有限公司 | Fillet-welding method for trough-shaped bulkhead and upper deck of vessel |
| CN102381438A (en) * | 2011-09-23 | 2012-03-21 | 招商局重工(深圳)有限公司 | Wholly lifting mounting method for wholly built upstairs stem section of large-size semi-submerged ship |
| CN102733362A (en) * | 2012-07-05 | 2012-10-17 | 南通中远船务工程有限公司 | Hoisting method for super-tonnage tower head platforms of marine wind power installation vessels |
| CN102941906A (en) * | 2012-05-02 | 2013-02-27 | 江苏大学 | Method for adjusting bed subsection prefabrication force of cylindrical deep-sea drilling and oil-storing platform |
| CN103507915A (en) * | 2013-09-12 | 2014-01-15 | 南通明德重工有限公司 | Integral hoisting design method for wood ship upper layer building |
| CN103708000A (en) * | 2013-12-30 | 2014-04-09 | 沪东中华造船(集团)有限公司 | Boat body overall segment lifting fixation protector and boat body overall segment lifting method |
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| CN105947109A (en) * | 2016-06-21 | 2016-09-21 | 江苏海通海洋工程装备有限公司 | Process for hoisting whole assembly section of upper-layer building living zone of ship |
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| CN111152899A (en) * | 2020-03-05 | 2020-05-15 | 招商局重工（江苏）有限公司 | Method for leveling 3000-ton floating crane main arm frame by using semi-submersible barge and floating crane |
| CN113548592A (en) * | 2021-06-30 | 2021-10-26 | 广州文冲船舶修造有限公司 | Method for building crane jib bracket |
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