CN101806053B - 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 PDF

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Publication number
CN101806053B
CN101806053B CN201010173479.0A CN201010173479A CN101806053B CN 101806053 B CN101806053 B CN 101806053B CN 201010173479 A CN201010173479 A CN 201010173479A CN 101806053 B CN101806053 B CN 101806053B
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platform
semi girder
cantilever
harbour
self
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CN101806053A (en
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孙瑞雪
窦钧
高真所
黄天颖
张恩国
徐辉
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Dalian Shipbuilding Industry Co Ltd
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Dalian Shipbuilding Industry Co Ltd
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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

The integral installation method of self-elevating drilling platform cantilever beam
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 cantilever beam has two kinds conventionally: a kind of: cantilever beam structures is divided into several segmentations, in depressed place or building berth construction phase lifting close up, whole fitting-out then.The mounting method of this semi girder, platform take dock or berth period longer, resource is built in waste, makes 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 after lifting, accurately semi girder being supported to seat board, to be inserted in semi girder deck difficulty very big.
Summary of the invention
The present invention is mainly for shortening the self-elevating drilling platform integral constructing cycle, save construction cost, improve semi girder integrality, split construction, the completed assembled technology of in-depth self-elevating drilling platform, 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 cantilever beam of the present invention, comprises the steps:
S1, in the ground grading of harbour integral constructing semi girder, and under described semi girder, lay roller bearing slideway and semi girder stopping means.
S2, in harbour marine site, utilize the checking bollard in platform stopping means and seawater to make self-elevating drilling platform contraposition station stake, and described platform is adjusted to the ground grading of described harbour and is flushed; Described platform stopping means comprises by cable suspended the steel pier body on harbour; Described steel pier body is rectangular structure, and its inner surface is posted by harbour wall, and outer surface is provided with for leaning the smooth flitch of described platform.Wherein, platform stopping means can effectively reach crashproof object, meanwhile, is of value to the centering of semi girder, thereby installs and lay the first stone for follow-up high efficiency, guarantees installation accuracy.
S3, described semi girder is aimed to the semi girder supporting seat on described platform, utilize to drag equipment and drag described semi girder, until described semi girder is connected in described platform upper cantilever beam supporting seat.
S4, described semi girder is fixed on described platform.
Under optimal way, in above-mentioned steps S1, described roller bearing slideway comprises the support iron pier being disposed on harbour, and the rubber tile of laying on described support iron pier or hardwood plate, on described rubber tile or hardwood plate, is arranged at intervals with crawler-mounted roller assembly; Described in each, roller assembly is with roll mode setting in the same way.And under 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, at vertical rubber tile or the hardwood plate of arranging in the inner side of described support, in the inner side of described vertical rubber plate or hardwood plate, be provided with crawler-mounted roller assembly.And in step S3, described in drag tugboat and the hoist engine that equipment comprises that hawser connects.
A kind of integral installation method of self-elevating drilling platform cantilever beam of the present invention, it is floating that platform is built harbour at semi girder, after platform erection, utilizes tugboat, the spacing anticollision device, collision-prevention device of harbour, manually draws by equipment, make platform center line aim at semi girder center line, rise platform; Guarantee that semi girder integral body builds and reach good working condition in the ground grading of harbour, at semi girder, support seat board and build between support iron pier used and lay roller bearing slideway and stopping means, have hoist engine or hydraulic drive equipment, to mobile semi girder on platform; Semi girder moves before upper mounting plate, need to guarantee that platform upper cantilever beam supporting seat and land semi girder slideway are in same level, owing to being subject to morning and evening tides, semi girder and dragging the factor impacts such as load of upper mounting plate, for preventing the overload of lifting platform strength of gear or platform to float, need in the change in location of platform, platform be adjusted and be carried according to morning and evening tides and semi girder; Mobile semi girder upper mounting plate, accurately inserts semi girder supporting seat and the interior contraposition of deck on Platform Deck until semi girder supports seat board; With semi girder, rise bed rearrangement platform, complete 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 in-depth self-elevating drilling platform provide a kind of new method.
Accompanying drawing explanation
Fig. 1 is the integral installation flow process principle schematic of self-elevating drilling platform cantilever beam 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 in Fig. 2 A-A to sectional structure schematic diagram;
Fig. 4 is the layout theory structure front view of self-elevating drilling platform cantilever beam slideway of the present invention and stopping means;
Fig. 5 is the lateral view that Fig. 4 arranges theory structure;
Fig. 6 is the top view that Fig. 4 arranges theory structure.
The specific embodiment
The principle of the integral installation method of self-elevating drilling platform cantilever beam of the present invention as shown in Figure 1.Install and need to complete following work early stage:
1, semi girder integral body is built in the ground grading of harbour.
2, after fitting-out and equipment are installed and are all completed, with during complete water under main platform body structure.
Then as shown in Figure 1, complete successively following steps:
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, aligning land, center of platform 3, after the contraposition of maintenance center, platform station stake (number in the figure 10 represents checking bollard), rises bed rearrangement platform.Be subject to geologic(al) factor impact, may have platform pile shoe sliding pile, cause platform center can not aim at semi girder center, land completely, should be as the criterion with platform center, mark on land platform center line, using that this moves the modified line in upper mounting plate process as semi girder.
2, utilize the lift-up device such as jack, semi girder integral jacking is departed from and builds moulding bed, take platform center line as benchmark, revise semi girder center line, principle as shown in accompanying drawing 4-6, installs roller bearing slideway 1 and semi girder stopping means 15.Fall jack, semi girder 2 integral body are fallen on 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 in same level.During this, need to consider tidal effect, for prevention platform floats or lifter wheel overload, platform is adjusted at any time and carried.
4, mobile semi girder upper mounting plate; Before 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 insert semi girder supporting seat and deck ready.During semi girder moves upper mounting plate, for preventing the overload of lifting platform strength of gear or platform to float, the factors such as load change that need consideration morning and evening tides, semi girder to bring to platform, adjust at any time and carry platform.
5, semi girder supports seat board and accurately inserts semi girder supporting seat and the interior contraposition of deck on Platform Deck, and the complete upper mounting plate of semi girder, carries out the interim sealing of semi girder, rises bed rearrangement platform, until platform and the water surface leave enough air gaps with semi girder.
In addition, in Fig. 1, a represents high water mark, and b represents low tide, and c represents sea bed; In Fig. 2 and Fig. 4-6, D represents harbour bottom surface, and W represents marine site, and S represents bulkhead wall; In Fig. 3, M represents harbour.
The integral installation method of a kind of self-elevating drilling platform cantilever beam of the present invention.Separate with self-elevating drilling platform, semi girder integral body is built and is reached good working condition in the ground grading of harbour; Platform is contraposition station stake under water near harbour, rises bed rearrangement platform; Under semi girder, lay roller bearing slideway and stopping means, the auxiliary equipment that drags, for semi girder is to mobile preparing on platform; Semi girder is adjusted and is carried platform during moving upper mounting plate, until semi girder supports seat board, accurately inserts semi girder supporting seat and the interior contraposition of deck on Platform Deck; With semi girder, rise bed rearrangement platform, complete 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 by equipment, make platform center line aim at semi girder center line, rise platform.In addition, platform upper cantilever beam supporting seat and land semi girder slideway are in same level, be subject to the factor impacts such as load that morning and evening tides, semi girder move upper mounting plate, for preventing the overload of lifting platform strength of gear or platform to float, need in the change in location of platform, platform be adjusted and be carried according to morning and evening tides and semi girder.
It should be noted 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, platform stopping means comprises by cable suspended the steel pier body 9 on harbour.Steel pier body 9 is rectangular structure, and its inner surface is posted by harbour wall, and outer surface is provided with for leaning the smooth flitch 8 of described platform.
As Figure 4-Figure 6, the outermost that semi girder stopping means 15 is included in support iron pier 14 is welded with upwardly extending irony support, at vertical rubber tile or the hardwood plate of arranging in the inner side of support, in the inner side of vertical rubber plate or hardwood plate, be provided with crawler-mounted roller assembly 12.
In addition, in the present invention, be used as rolling guide, being convenient to the assembly that semi girder moves is roller bearing slideway, as Figure 4-Figure 6, comprise the support iron pier 14 being disposed on harbour, and rubber tile or the hardwood plate 13 on support iron pier 14, laid, on rubber tile or hardwood plate 13, be arranged at intervals with crawler-mounted roller assembly 12.In figure, the support seat board of semi girder is seated on roller assembly 12, and each roller assembly using in roller bearing slideway and semi girder stopping means is with roll mode setting in the same way.That is to say, at semi girder, build and on support iron pier used, lay rubber pad or thin hardwood plate, lay crawler type roller assembly thereon, use little square iron that crawler type roller assembly and support iron pier are welded and fixed, form roller bearing slideway, the support seat board of cantilever beam structures can move on crawler type roller assembly; Crawler type roller assembly is erect and is weldingly fixed on support iron pier, and 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, rolling element is wherein roller bearing, can effectively support super heavy weight cantilever beam structures.
The above; it is only the preferably specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.

Claims (4)

1. an integral installation method for self-elevating drilling platform cantilever beam, is characterized in that, comprises the steps:
S1, in the ground grading of harbour integral constructing semi girder (2), and at the lower laying roller bearing slideway (1) of described semi girder (2) and semi girder stopping means;
S2, in harbour marine site, utilize the checking bollard in platform stopping means and seawater to make self-elevating drilling platform contraposition station stake, and platform (3) deck plane is adjusted to the ground grading of described harbour and is flushed;
Wherein, described platform stopping means comprises by cable suspended the steel pier body (9) on harbour; Described steel pier body (9) is rectangular structure, and its inner surface is posted by harbour wall, and outer surface is provided with for leaning the smooth flitch (8) of described platform;
S3, described semi girder is aimed to the semi girder supporting seat on described platform, utilize to drag equipment and drag described semi girder, until described semi girder is connected in described platform upper cantilever beam supporting seat;
S4, described semi girder is fixed on described platform.
2. the integral installation method of self-elevating drilling platform cantilever beam according to claim 1, it is characterized in that, in step S1, described roller bearing slideway (1) comprises the support iron pier (14) being disposed on harbour, and upper rubber tile or the hardwood plate (13) of laying of described support iron pier (14), on described rubber tile or hardwood plate (13), be arranged at intervals with crawler-mounted roller assembly (12); Roller assembly described in each (12) is with roll mode setting in the same way.
3. the integral installation method of self-elevating drilling platform cantilever beam according to claim 2, 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 vertical rubber tile or the hardwood plate of arranging in the inner side of described support, at the vertical crawler-mounted roller assembly (12) that is provided with in the inner side of described vertical rubber plate or hardwood plate.
4. according to the integral installation method of the arbitrary described self-elevating drilling platform cantilever beam of claim 1-3, it is characterized in that, in step S3, described in drag tugboat (7), the hoist engine (4) that equipment comprises that hawser connects.
CN201010173479.0A 2010-05-17 2010-05-17 Integral installation method of cantilever beams of self lifting type well drilling platform Active CN101806053B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
US9073588B1 (en) * 2014-06-05 2015-07-07 Orion Drilling Company Heavy machinery substructure for traversing and working over ground obstructions
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

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Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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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