CN101806053A - Integral installation method of cantilever beams of self lifting type well drilling platform - Google Patents
Integral installation method of cantilever beams of self lifting type well drilling platform Download PDFInfo
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- CN101806053A CN101806053A CN201010173479A CN201010173479A CN101806053A CN 101806053 A CN101806053 A CN 101806053A CN 201010173479 A CN201010173479 A CN 201010173479A CN 201010173479 A CN201010173479 A CN 201010173479A CN 101806053 A CN101806053 A CN 101806053A
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Abstract
The invention relates to an integral installation method of cantilever beams of a self lifting type well drilling platform, which comprises the following steps: 1. integrally building the cantilever beams on smooth ground of a wharf, and paving rolling shaft chutes and cantilever beam position limiting devices under the cantilever beams; 2. using a platform position limiting device in a wharf sea area and a cable pile in the seawater for realizing the positioning piling of the self lifting type well drilling platform, and regulating the platform until the platform is at the same level as the smooth ground of the wharf; 3. aligning the cantilever beams with cantilever beam support seats on the platform, and using traction equipment for tracking the cantilever beams until the cantilever beams are connected into the cantilever beam support seats on the platform; and 4. fixing the cantilever beams onto the platform. The method of the invention can effectively shorten the integral construction period of the self lifting type well drilling platform, can save the construction cost, and can simultaneously improve the completeness of the cantilever beams.
Description
Technical field
The present invention relates to shipbuilding technology field, level land, in particular, relate to self-elevating drilling platform main body and cantilever beam structures separate integers and build, a kind of method that then complete semi girder upper mounting plate is installed.
Background technology
The mounting method of self-elevating drilling platform semi girder has two kinds usually: a kind ofly be: cantilever beam structures is divided into several segmentations, in the depressed place or the lifting of building berth construction phase close up then whole fitting-out.The mounting method of this semi girder, platform take dock or berth period longer, resource is built in waste, makes the platform and integrally construction period elongated.Another is: semi girder is independent of the independent integral constructing of platform, uses large-tonnage straddle truck or marine crane barge lifting upper mounting plate to install.The mounting method of this semi girder has certain limitation, is not suitable for large-scale overhanging beam, and accurately semi girder being supported seat board after the lifting, to insert in the semi girder deck difficulty very big.
Summary of the invention
The present invention mainly is for shortening the self-elevating drilling platform integral constructing cycle, save construction cost, improve the semi girder integrality, split construction, the completed assembled technology of in-depth self-elevating drilling platform are for building technology field, self-elevating drilling platform level land provides a kind of new method.
For achieving the above object, the integral installation method of a kind of self-elevating drilling platform semi girder of the present invention comprises the steps:
S1, on the ground grading of harbour the integral constructing semi girder, and under described semi girder, lay roller bearing slideway and semi girder stopping means.
S2, in the harbour marine site, utilize checking bollard in platform stopping means and the seawater to make self-elevating drilling platform contraposition station stake, and described platform is adjusted to the ground grading of described harbour flushes; Described platform stopping means comprises by the steel pier body of cable suspended on harbour; Described steel pier body is a rectangular structure, and its inner surface is posted by on the harbour wall, and outer surface is provided with the smooth flitch that is used to lean described platform.Wherein, the platform stopping means can effectively reach crashproof purpose, simultaneously, is of value to the centering of semi girder, thereby for follow-up high efficiency installation lays the first stone, guarantees installation accuracy.
S3, described semi girder is aimed at semi girder supporting seat on the described platform, utilize the equipment of dragging to drag described semi girder, be connected in the described platform upper cantilever beam supporting seat until described semi girder.
S4, described semi girder is fixed on the described platform.
Under the optimal way, in above-mentioned steps S1, described roller bearing slideway comprises the support iron pier that is disposed on the harbour, and rubber tile or the hardwood plate laid on the described support iron pier, is arranged at intervals with crawler-mounted roller assembly on described rubber tile or hardwood plate; Each described roller assembly is with roll mode setting in the same way.And under the optimal way, in step S1, the outermost that described semi girder stopping means is included in described support iron pier is welded with upwardly extending irony support, inboard vertical rubber tile or the hardwood plate of being provided with at described support is provided with crawler-mounted roller assembly in the inboard of described vertical rubber tile or hardwood plate.And among the step S3, the described equipment of dragging comprises tugboat and the hoist engine that hawser connects.
A kind of integral installation method of self-elevating drilling platform semi girder of the present invention, it is floating that platform is built harbour at semi girder, behind platform erection, utilizes tugboat, the spacing anticollision device, collision-prevention device of harbour, manually draws by equipment, make the platform center line aim at the semi girder center line, rise platform; Guaranteeing that semi girder integral body is built in the ground grading of harbour reaches good working condition, supports seat board and builds and lay roller bearing slideway and stopping means between the used support iron pier at semi girder, has hoist engine or hydraulic drive equipment, so as on platform mobile semi girder; Before semi girder moves upper mounting plate, need to guarantee that platform upper cantilever beam supporting seat and land semi girder slideway are in same level, owing to be subjected to the factor affecting such as load that morning and evening tides, semi girder drag upper mounting plate, for the overload of prevention lifting platform strength of gear or platform float, need in the change in location of platform platform to be transferred and carry according to morning and evening tides and semi girder; Mobile semi girder upper mounting plate supports seat board until semi girder and accurately inserts contraposition in semi girder supporting seat on the Platform Deck and the deck; Be with semi girder to rise the bed rearrangement platform, finishing the semi girder installation of platform on the whole.
The inventive method can shorten the self-elevating drilling platform integral constructing cycle greatly, saves construction cost, is of value to the integrality that improves semi girder simultaneously.Thereby split construction, completed assembled technology in building technology field, level land for the in-depth self-elevating drilling platform provide a kind of new method.
Description of drawings
Fig. 1 is the integral installation flow process principle schematic of self-elevating drilling platform semi girder of the present invention;
Fig. 2 is the station piling method principle schematic of self-elevating drilling platform contraposition of the present invention land semi girder;
Fig. 3 be among Fig. 2 A-A to the sectional structure schematic diagram;
Fig. 4 is the layout theory structure front view of self-elevating drilling platform semi girder slideway of the present invention and stopping means;
Fig. 5 is the lateral view that Fig. 4 arranges theory structure;
Fig. 6 is the vertical view that Fig. 4 arranges theory structure.
The specific embodiment
The principle of the integral installation method of self-elevating drilling platform semi girder of the present invention as shown in Figure 1.Be installed early stage need finish following work:
1, semi girder integral body is built in the ground grading of harbour.
2, after fitting-out and equipment are installed and all to be finished, with during finish water under the main platform body structure.
Then as shown in Figure 1, finish following steps successively:
1, as shown in Figure 2, pull hawser 6, utilize tugboat 7, platform stopping means, manually draw by equipment (as hoist engine 4) etc., under platform 3 floating states, make semi girder 2 centers, centrally aligned land of platform 3, after the contraposition of maintenance center, the bed rearrangement platform is risen in platform station stake (number in the figure 10 expression checking bollards).Be subjected to geologic(al) factor influence, may have the sliding stake of platform pile shoe, cause the platform center can not aim at semi girder center, land fully, should be as the criterion, mark the platform center line on land, move modified line in the upper mounting plate process as semi girder with this with the platform center.
2, utilizing lift-up device such as jack, the semi girder integral jacking is broken away from build moulding bed, is benchmark with the platform center line, revises the semi girder center line, and principle shown in accompanying drawing 4-6 is installed roller bearing slideway 1 and semi girder stopping means 15.Fall jack, semi girder 2 integral body are fallen on the roller bearing slideway 1.
3, install and to drag or incremental launching device, facility, fall platform simultaneously, make offshore boring island semi girder supporting seat, deck basal plane and land semi girder chute surface be in same horizontal plane.Need to consider tidal effect during this,, platform is transferred at any time carried for the prevention platform floats or the lifter wheel overload.
4, mobile semi girder upper mounting plate; Before the semi girder head end arrives platform, according to the moving direction of the suitable deflection semi girder of platform center line, for semi girder lower support seat board accurately inserts the semi girder supporting seat and deck is ready.During semi girder moves upper mounting plate, float for preventing overload of lifting platform strength of gear or platform, need consider the factors such as load change that morning and evening tides, semi girder bring to platform, platform is transferred at any time carried.
5, semi girder support seat board accurately inserts semi girder supporting seat and the interior contraposition of deck on the Platform Deck, and the complete upper mounting plate of semi girder is carried out the interim sealing of semi girder, is being with semi girder to rise the bed rearrangement platform, leaves enough air gaps until the platform and the water surface.
In addition, among Fig. 1, a represents high water mark, and b represents low tide, and c represents sea bed; Among Fig. 2 and Fig. 4-6, D represents the harbour bottom surface, and W represents the marine site, and S represents bulkhead wall; Among Fig. 3, M represents harbour.
The integral installation method of a kind of self-elevating drilling platform semi girder of the present invention.Separate with self-elevating drilling platform, semi girder integral body is built in the ground grading of harbour and is reached good working condition; Platform is contraposition station stake under water near harbour, rises the bed rearrangement platform; Lay roller bearing slideway and stopping means under semi girder, the auxiliary equipment that drags is prepared for semi girder moves on platform; Semi girder moves during the upper mounting plate platform transferred and carries, and supports seat board until semi girder and accurately inserts contraposition in semi girder supporting seat on the Platform Deck and the deck; Be with semi girder to rise the bed rearrangement platform, finishing the semi girder installation of platform on the whole.
Wherein, after to platform erection, utilize tugboat, the spacing anticollision device, collision-prevention device of harbour, manually draw, make the platform center line aim at the semi girder center line, rise platform by equipment.In addition, platform upper cantilever beam supporting seat and land semi girder slideway are in same level, be subjected to the factor affecting such as load that morning and evening tides, semi girder move upper mounting plate, for the overload of prevention lifting platform strength of gear or platform float, need in the change in location of platform platform to be transferred and carry according to morning and evening tides and semi girder.
Need to prove that method of the present invention has been used two cover stopping means, is respectively platform stopping means and semi girder stopping means.
As shown in Figure 3, the platform stopping means comprises by the steel pier body 9 of cable suspended on harbour.Steel pier body 9 is a rectangular structure, and its inner surface is posted by on the harbour wall, and outer surface is provided with the smooth flitch 8 that is used to lean described platform.
Shown in Fig. 4-6, semi girder stopping means 15 is included in the outermost that supports iron pier 14 and is welded with upwardly extending irony support, inboard vertical rubber tile or the hardwood plate of being provided with at support is provided with crawler-mounted roller assembly 12 in the inboard of vertical rubber tile or hardwood plate.
In addition, be used as rolling guide among the present invention, being convenient to the assembly that semi girder moves is the roller bearing slideway, shown in Fig. 4-6, comprise the support iron pier 14 that is disposed on the harbour, and support rubber tile or the hardwood plate of laying on the iron pier 14 13, on rubber tile or hardwood plate 13, be arranged at intervals with crawler-mounted roller assembly 12.Among the figure, the support seat board of semi girder is seated on the roller assembly 12, and each roller assembly that uses in roller bearing slideway and the semi girder stopping means is with roll mode setting in the same way.That is to say, build laying rubber pad or thin hardwood plate on the used support iron pier at semi girder, lay the crawler type roller assembly thereon, use little square iron that the crawler type roller assembly is fixing with the welding of support iron pier, form the roller bearing slideway, the support seat board of cantilever beam structures can move on the crawler type roller assembly; The crawler type roller assembly is erect and is weldingly fixed on the support iron pier, the roller bearing face contacts with the side that cantilever beam structures supports seat board, forms stopping means.And this roller assembly adopts the crawler type kind of drive, and rolling element wherein is a roller bearing, can effectively support the cantilever beam structures of super large weight.
The above; only be the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (4)
1. the integral installation method of a self-elevating drilling platform semi girder is characterized in that, comprises the steps:
S1, on the ground grading of harbour integral constructing semi girder (2), and at described semi girder (2) down laying roller bearing slideway (1) and semi girder stopping means;
S2, in the harbour marine site, utilize checking bollard in platform stopping means and the seawater to make self-elevating drilling platform contraposition station stake, and described Platform Deck face 3 is adjusted to the ground grading of described harbour flushes;
Wherein, described platform stopping means comprises by the steel pier body (9) of cable suspended on harbour; Described steel pier body (9) is a rectangular structure, and its inner surface is posted by on the harbour wall, and outer surface is provided with the smooth flitch (8) that is used to lean described platform
S3, described semi girder is aimed at semi girder supporting seat on the described platform, utilize the equipment of dragging to drag described semi girder, be connected in the described platform upper cantilever beam supporting seat until described semi girder;
S4, described semi girder is fixed on the described platform.
2. according to the integral installation method of the described self-elevating drilling platform semi girder of claim 1, it is characterized in that, in step S1, described roller bearing slideway (1) comprises the support iron pier (14) that is disposed on the harbour, and last rubber tile or the hardwood plate of laying (13) of described support iron pier (14), on described rubber tile or hardwood plate (13), be arranged at intervals with crawler-mounted roller assembly (12); Each described roller assembly (12) is with roll mode setting in the same way.
3. according to the integral installation method of the described self-elevating drilling platform semi girder of claim 1, it is characterized in that, in step S1, the outermost that described semi girder stopping means (15) is included in described support iron pier (14) is welded with upwardly extending irony support, at the inboard vertical rubber tile or the hardwood plate of being provided with of described support, at the inboard vertical crawler-mounted roller assembly (12) that is provided with of described vertical rubber tile or hardwood plate.
4. according to the integral installation method of the arbitrary described self-elevating drilling platform semi girder of claim 1-3, it is characterized in that in step S3, the described equipment of dragging comprises tugboat (7), the hoist engine (4) that hawser connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010173479.0A CN101806053B (en) | 2010-05-17 | 2010-05-17 | Integral installation method of cantilever beams of self lifting type well drilling platform |
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| CN201010173479.0A CN101806053B (en) | 2010-05-17 | 2010-05-17 | Integral installation method of cantilever beams of self lifting type well drilling platform |
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| CN101806053A true CN101806053A (en) | 2010-08-18 |
| CN101806053B CN101806053B (en) | 2014-10-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477733A (en) * | 2010-11-26 | 2012-05-30 | 大连船舶重工集团有限公司 | Installation method for integrally dragging cantilever beam onto platform |
| CN102587340A (en) * | 2011-01-14 | 2012-07-18 | 中国国际海运集装箱(集团)股份有限公司 | Installation platform of bottom-supported fan and method for installing fan equipment |
| CN103132495A (en) * | 2013-03-21 | 2013-06-05 | 上海振华重工(集团)股份有限公司 | Integral building and carrying method for drilling platform |
| CN104420453A (en) * | 2013-08-21 | 2015-03-18 | 中集海洋工程研究院有限公司 | Integral jointing method of cantilever beam of self-elevating drilling platform |
| CN107074310A (en) * | 2014-06-05 | 2017-08-18 | 奥瑞恩钻孔公司 | For the heavy-duty machinery substructure crossed and worked above ground obstacle |
| CN108661030A (en) * | 2017-03-31 | 2018-10-16 | 烟台中集来福士海洋工程有限公司 | Jack-up unit cantilever beam folding method |
| CN112095571A (en) * | 2020-08-20 | 2020-12-18 | 上海振华重工(集团)股份有限公司 | Sliding installation device and method for cantilever beam of self-elevating drilling platform |
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| US6481931B1 (en) * | 2000-09-19 | 2002-11-19 | Walter Thomas Welsh | Cantilever supported drilling rig |
| CN101148869A (en) * | 2007-10-18 | 2008-03-26 | 大连船舶重工集团有限公司 | Construction method for large-scale overhanging beam |
| CN201172814Y (en) * | 2007-12-04 | 2008-12-31 | 中国石油集团海洋工程有限公司 | Shallow sea self-lifting production testing work platform |
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Patent Citations (4)
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| US5997217A (en) * | 1998-05-11 | 1999-12-07 | Verret; Rodney J. | Shallow water well-drilling apparatus |
| US6481931B1 (en) * | 2000-09-19 | 2002-11-19 | Walter Thomas Welsh | Cantilever supported drilling rig |
| CN101148869A (en) * | 2007-10-18 | 2008-03-26 | 大连船舶重工集团有限公司 | Construction method for large-scale overhanging beam |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102477733A (en) * | 2010-11-26 | 2012-05-30 | 大连船舶重工集团有限公司 | Installation method for integrally dragging cantilever beam onto platform |
| CN102477733B (en) * | 2010-11-26 | 2014-12-31 | 大连船舶重工集团有限公司 | Installation method for integrally dragging cantilever beam onto platform |
| CN102587340A (en) * | 2011-01-14 | 2012-07-18 | 中国国际海运集装箱(集团)股份有限公司 | Installation platform of bottom-supported fan and method for installing fan equipment |
| CN103132495A (en) * | 2013-03-21 | 2013-06-05 | 上海振华重工(集团)股份有限公司 | Integral building and carrying method for drilling platform |
| CN103132495B (en) * | 2013-03-21 | 2014-12-10 | 上海振华重工(集团)股份有限公司 | Integral building and carrying method for drilling platform |
| CN104420453A (en) * | 2013-08-21 | 2015-03-18 | 中集海洋工程研究院有限公司 | Integral jointing method of cantilever beam of self-elevating drilling platform |
| CN104420453B (en) * | 2013-08-21 | 2016-06-01 | 中集海洋工程研究院有限公司 | The overall folding method of a kind of self-elevating drilling platform cantilever beam |
| CN107074310A (en) * | 2014-06-05 | 2017-08-18 | 奥瑞恩钻孔公司 | For the heavy-duty machinery substructure crossed and worked above ground obstacle |
| CN108661030A (en) * | 2017-03-31 | 2018-10-16 | 烟台中集来福士海洋工程有限公司 | Jack-up unit cantilever beam folding method |
| CN112095571A (en) * | 2020-08-20 | 2020-12-18 | 上海振华重工(集团)股份有限公司 | Sliding installation device and method for cantilever beam of self-elevating drilling platform |
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| CN101806053B (en) | 2014-10-08 |
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