CN101148870B - Large-scale pile leg structure waterborne mounting dragging slide way device - Google Patents
Large-scale pile leg structure waterborne mounting dragging slide way device Download PDFInfo
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- CN101148870B CN101148870B CN2007101575896A CN200710157589A CN101148870B CN 101148870 B CN101148870 B CN 101148870B CN 2007101575896 A CN2007101575896 A CN 2007101575896A CN 200710157589 A CN200710157589 A CN 200710157589A CN 101148870 B CN101148870 B CN 101148870B
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Abstract
The water borne large spud leg structure hauling slipway includes two parallel box beam slipways fixed and supported with supports on the main platform, two parallel box beam sliding plates slip fitting the box beam slipway and provided with one base for holding the spud leg section to be connected, and one horizontal cross beam connected between two sliding plates for fixing and bearing one top of triangular spud. The water borne large spud leg structure hauling slipway is applied to haul the spud leg to the connecting site for butt connection, and has no need of very large water hoisting apparatus, low construction cost and other advantages.
Description
Technical field
The present invention relates to the special tool that uses in a kind of building course of large truss type pile leg, more particularly, relate in particular to a kind of runner device that drags that is fixed on the self-elevating drilling platform main body.
Background technology
At present, in the used mobile platform in countries in the world, self-elevating drilling platform accounts for 70%, is the main type of oil drilling platform.Be illustrated in the applicant's installation to large truss type pile leg in the Chinese patent " assembly method of large truss type pile leg structure " of application on December 8th, 2006.Large truss type pile leg is the key structure of self-elevating drilling platform, and spud leg is shaped as the English truss formula, and form of structure is that structure is passed through in the pipe support mutually.The place, three angles of pile leg structure is provided with the main shipboard tube of band tooth bar, by the structural tube composition English truss that is connected.
Worldwide, the pile leg structure about 70 meters is installed on the water, all belongs to rare.Offshore company carries out that this type of is large-scale, when overlength degree pile leg structure is installed, generally adopt big load sea to hang or pedrail crane directly lifts and closes up.Problem is that owing to condition restriction, the crane resources of rare this super large load-bearing capacity can only adopt the mode of leasing usually at home, and expense is very big, and the cycle is difficult to guarantee.
In addition, though domestic corporation may have the crane resources of smaller load, but, the height that hangs that domestic large-sized gantry hangs is generally 80-90 rice, like this, no matter be, must have spud leg about 20-70 rice to undock and install on the water after (following water) for 300 feet platforms or 400 feet platforms.Be installed in domestic still belonging to the first time owing to large truss type pile leg structure is waterborne, go into aspects such as the mud degree of depth, mode in place, locate mode, installation accuracy, superaltitude operation path, safety assurance at the setting of spud leg suspension centre, lifting waterborne, platform and exist problems to need to solve.
At the problems referred to above, need a kind of special tool of design, to change the construction method of traditional superelevation self-elevating drilling platform.
Summary of the invention
The present invention is directed to the problems referred to above, a kind of special tool that uses in the large truss type pile leg installation process is provided, and its purpose is primarily aimed at about 70 meters or above height pile leg structure, hangs under the prerequisite need not large-scale sea, adopt non-traditional construction method, realize the construction of self-elevating drilling platform.Thereby solved super large load sea and hung under the mode of construction expense height that hang in the lease sea, the problem that construction period is difficult to guarantee; And solve and to hang under the mode in the sea of smaller load-bearing capacity, need to solve the difficult point of going into problems such as the mud degree of depth, mode in place, locate mode, installation accuracy, superaltitude operation path, safety assurance as the setting of spud leg suspension centre, lifting waterborne, platform.
In order to address the above problem, the present invention has constructed a kind of large-scale pile leg structure waterborne mounting dragging slide way device, comprises utilizing the slideway bracing or strutting arrangement to fix and be supported in box beam slideway on the main platform, and cooperates the box-girder slide plate that slides with the box-girder slideway; The box-girder slide plate is provided with to be used to hold fixedly treats pile extension leg segmented pedestal.
Large-scale pile leg structure waterborne mounting dragging slide way device of the present invention, its improvement are that slideway/slide plate is two rows and puts slideway/slide plate that two rows are connected with the horizontal gird that is used for fixing a top of carrying triangle spud leg between the slide plate.In addition, bracing or strutting arrangement is fixed on the deck of main platform for being positioned at basic unit spud leg section both sides.The spacing of two ways on bracing or strutting arrangement top is greater than spud leg section width, and crosses over basic unit's spud leg section and extend along its length of slideway direction and be used to hold the described chute sections for the treatment of the segmentation of pile extension leg, thereby realizes the described carrying for the treatment of the segmentation of pile extension leg and move.In order to realize the butt joint of spud leg section, main platform also needs to treat that the segmentation of pile extension leg rises to setting height(from bottom) by the relative basic unit of elevating mechanism spud leg section lifting moving so that drive.
Large-scale pile leg structure waterborne mounting dragging slide way device of the present invention is a kind of principle of utilizing object rolling or sliding friction, adopts the means that drag, and the realization large truss type pile leg closes up outside the depressed place, the device of high-altitude waterborne butt joint.On the water, high-altitude (generally being higher than the sea level more than 90 meters) finish large truss type pile leg structure close up the location, butt joint is installed.Under the condition of crane supporting capacity height restriction,, realize large-scale, overlength degree pile leg structure installation waterborne by the custom-designed runner device that drags of the present invention.The mounting method of its enforcement safe, effective can effectively guarantee the spud leg installation accuracy.Thereby saved the expense that (marine crane) hung in the special-purpose sea of lease, guaranteed construction speed.And the dragging runner device and can reuse of design, further reduced construction cost.Therefore method of the present invention can be saved the expenditure of construction of offshore boring island, shortens construction period.Have practicality, convenience, effectively, characteristics that cost is low.
Description of drawings
Fig. 1 is the process schematic diagram that large truss type pile leg is waterborne, high-altitude butt joint mounting method is implemented;
Fig. 2 is the design principle figure of large-scale pile leg structure waterborne mounting dragging slide way device of the present invention;
Fig. 3 is the plan structure schematic diagram of large-scale pile leg structure waterborne mounting dragging slide way device of the present invention, adds horizontal gird between its middle slide plate;
Fig. 4 is the plan structure schematic diagram of large-scale pile leg structure waterborne mounting dragging slide way device of the present invention, does not add horizontal gird between its middle slide plate.
The specific embodiment
For large-scale pile leg structure waterborne mounting dragging slide way device of the present invention is described, must realize large truss type pile leg structure installation technology flow process waterborne and key link to utilizing apparatus of the present invention.With reference to shown in Figure 1, its basic procedure is: platform is to predetermined maritime area pitching pile, in place---drag runner device is installed, check finishes---, and the sea slings that spud leg is fragmented into drags on the runner device, and sealing, location---make platform be raised to specified altitude assignment by means of lifting gear---to utilize and drag runner device, carry out dragging of pile leg structure, realize that hypomere is in place on the spud leg, butt joint---size detection, adjustment---is welded and flaw detection-reduction main platform carries out the installation work of next section.Concrete steps are as follows:
1, predetermined maritime area pitching pile, and set up basic unit's spud leg section 6;
2, rely on elevating mechanism 1 to make basic unit's spud leg section 6 be associated with main platform body 5;
3, will drag runner device is fixed on the main platform body 5;
4, make main platform body 5 be positioned at basic unit's spud leg section 6 lower positions, hang and to treat pile extension leg segmentation 4 location and to be fixed to described dragging on the runner device by the sea;
5, utilize elevating mechanism 1 lifting platform main body 5 to spud leg section pre-connection position;
6, utilize and to drag runner device and will treat that pile extension leg section 4 drags to tie point, realize treating pile extension leg section 4 and lower end basic unit spud leg section 6 in place, dock;
7, utilize elevating mechanism 1 to reduce main platform body 5 to basic unit's spud leg section 6 lower positions; Repeat the step of 4-6, finish the construction of desired height spud leg.
In addition, after above-mentioned steps 6, before the step 7, be in the high level that docks spud leg, directly the spud leg section of being docked carried out size detection, adjustment and flaw detection work at platform.
Now among Fig. 1 from top to bottom the little figure of six width of cloth by arrow illustrate that successively wherein before the little figure of first width of cloth, the height of the spud leg that undocks is about 91-98 rice; In the little figure of second width of cloth, demonstrate the state that drags runner device is installed, comprise moving slide board 7 and slideway bracing or strutting arrangement 9 (for frame structure); By the sea hang/crane barge will treat that pile extension leg section winches to (the little figure of the 3rd width of cloth) on the fastening devices; Then among the little figure of the 4th width of cloth, rise ship (main platform) to specified altitude assignment, it is in place to drag spud leg; In carrying out among the 5th width of cloth figure, centering, location, welding and work for inspection; The 6th width of cloth figure falls ship (main platform) to certain altitude, carries out the installation of next spud leg.
In above-mentioned steps, in order to realize treating the mobile design runner device that drags provided by the invention that needs of pile extension leg section.As shown in Figure 2, in conjunction with Fig. 3 and 4 explanations.The present invention drags runner device and comprises that to utilize slideway bracing or strutting arrangement 9 fixing and be supported in box beam slideway 8 on the main platform 5 and the box-girder slide plate 7 that cooperates slip with box-girder slideway 8; Box-girder slide plate 7 is provided with and is used to hold pedestal and the spud leg location boots of fixedly treating pile extension leg segmentation 4.Wherein spud leg location boots are built in the spud leg in the land of prior art and are often used, and are the support fixation mechanisms that is used to cooperate the pedestal use.As seen, slideway 8/ slide plate 7 is two rows and puts slideway/slide plate (also can arrange setting certainly) more in Fig. 3 and 4.Its levelness guarantees between ± 10mm under two ways/slide plate optimal way.Two rows are connected with the horizontal gird 11 that is used for fixing a top of carrying triangle spud leg among Fig. 3 between the slide plate 7, thereby guarantee to treat the steady carrying of pile extension leg section
Among the figure, the stem side of a ship pipe of spud leg is sitting on the horizontal gird, the load distribution of whole spud leg on left and right sides slideway and horizontal gird, when dragging just by means of about two slideways and skate apparatus carry out.Also mode as shown in Figure 4, its prerequisite still will guarantee the steady carrying of spud leg section, the load of its whole spud leg all is distributed on the slideway of the left and right sides, utilizes slide plate and runner device to drag.
In Fig. 3 and 4, bracing or strutting arrangement 9 is a frame structure, is positioned at the both sides of spud leg and is fixed on the deck 10 of main platform 5, thereby guarantee can not interfere with spud leg in the support body lifting process.Accordingly, the spacing of two ways 8 on bracing or strutting arrangement 9 tops is greater than spud leg section width, and along its length leap spud leg both sides of slideway direction, its purpose also is to interfere in the lifting process in order to prevent.This external slideway extends and is used to hold the chute sections for the treatment of pile extension leg segmentation 4, thus the carrying that realizes treating pile extension leg segmentation 4 with move.
To sum up, design principle and method that large truss type pile leg structure of the present invention installation waterborne drags runner device can be summarized as follows, in the design that drags runner device, owing to there is not corresponding standard, standard can be for reference, for guaranteeing the needs of spud leg installation waterborne, the present invention is to dragging the design principle of runner device, method and form are stipulated, promptly according to the principle of rolling friction and sliding friction, special device is designed to ground way, three kinds of forms of moving slide board and piston shoes, rise respectively and support the spud leg construction weight, guarantee stability, conveniently drag, effect in place.
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 (1)
1. large-scale pile leg structure waterborne mounting dragging slide way device, it is characterized in that, comprise that to utilize slideway bracing or strutting arrangement (9) fixing and be supported in box beam slideway (8) on the main platform (5) and the box-girder slide plate (7) that cooperates slip with described box-girder slideway (8); Described box-girder slide plate (7) is provided with and is used to hold the pedestal of fixedly treating pile extension leg segmentation (4);
Described slideway (8)/slide plate (7) is two rows and puts slideway/slide plate, is connected with the horizontal gird that is used for fixing a top of carrying triangle spud leg between described two row's slide plates (7);
Described bracing or strutting arrangement (9) is fixed on the deck (10) of described main platform (5) for being positioned at basic unit's spud leg section (6) both sides; The spacing of two ways (8) on described bracing or strutting arrangement (9) top is greater than spud leg section width, and cross over basic unit's spud leg section (6) and extend along its length of slideway direction and be used to hold the described chute sections for the treatment of pile extension leg segmentation (4), thereby realize the described carrying for the treatment of pile extension leg segmentation (4) and move.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101575896A CN101148870B (en) | 2007-10-18 | 2007-10-18 | Large-scale pile leg structure waterborne mounting dragging slide way device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101575896A CN101148870B (en) | 2007-10-18 | 2007-10-18 | Large-scale pile leg structure waterborne mounting dragging slide way device |
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| Publication Number | Publication Date |
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| CN101148870A CN101148870A (en) | 2008-03-26 |
| CN101148870B true CN101148870B (en) | 2010-06-16 |
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| CN2007101575896A Active CN101148870B (en) | 2007-10-18 | 2007-10-18 | Large-scale pile leg structure waterborne mounting dragging slide way device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102234071B (en) * | 2010-04-30 | 2013-01-02 | 华泰(南通)船务有限公司 | Process for sliding jack column system of floating crane on flat ground |
| CN111042095B (en) * | 2019-12-24 | 2021-07-09 | 南通泰胜蓝岛海洋工程有限公司 | Jacket folding process, support frame and support assembly |
| CN112319731A (en) * | 2020-11-20 | 2021-02-05 | 天津博迈科海洋工程有限公司 | Installation method of large-scale marine equipment |
| CN115075210B (en) * | 2022-06-20 | 2024-03-22 | 海洋石油工程股份有限公司 | Lifting beam structure of jacket |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2239280A (en) * | 1989-12-06 | 1991-06-26 | Marathon Oil Co | Motion absorbing docking assembly |
| CN1186889A (en) * | 1996-09-06 | 1998-07-08 | 胜利石油管理局钻井工艺研究院 | Double hydraulic cylinder continuous lift spud leg with telescopic pile shoe |
| CN200958210Y (en) * | 2006-09-20 | 2007-10-10 | 大连船舶重工集团有限公司 | Pile foot supporting boots device installed on water |
| CN201151904Y (en) * | 2007-11-21 | 2008-11-19 | 大连船舶重工集团有限公司 | Large-sized pile leg structure pulling and moving chute device for water borne mounting |
-
2007
- 2007-10-18 CN CN2007101575896A patent/CN101148870B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2239280A (en) * | 1989-12-06 | 1991-06-26 | Marathon Oil Co | Motion absorbing docking assembly |
| CN1186889A (en) * | 1996-09-06 | 1998-07-08 | 胜利石油管理局钻井工艺研究院 | Double hydraulic cylinder continuous lift spud leg with telescopic pile shoe |
| CN200958210Y (en) * | 2006-09-20 | 2007-10-10 | 大连船舶重工集团有限公司 | Pile foot supporting boots device installed on water |
| CN201151904Y (en) * | 2007-11-21 | 2008-11-19 | 大连船舶重工集团有限公司 | Large-sized pile leg structure pulling and moving chute device for water borne mounting |
Non-Patent Citations (1)
| Title |
|---|
| 王维玉.自升式钻井平台桩腿建造工艺.哈尔滨工程大学工学硕士学位论文.2007,38-48. * |
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