CN107010170B - The production method and folding method of waterproof casing base platform - Google Patents
The production method and folding method of waterproof casing base platform Download PDFInfo
- Publication number
- CN107010170B CN107010170B CN201610054695.0A CN201610054695A CN107010170B CN 107010170 B CN107010170 B CN 107010170B CN 201610054695 A CN201610054695 A CN 201610054695A CN 107010170 B CN107010170 B CN 107010170B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000003466 welding Methods 0.000 claims abstract description 36
- 238000000465 moulding Methods 0.000 claims abstract description 19
- 230000002787 reinforcement Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B2221/00—Methods and means for joining members or elements
- B63B2221/02—Methods and means for joining members or elements by welding
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides the production methods and folding method of a kind of waterproof casing base platform.A kind of production method of waterproof casing base platform includes: the aperture spacing of increase jigsaw, and the range of the increased aperture spacing is 2mm ~ 8mm；Interim moulding bed is set in ground surface platform；Jigsaw is fixed on interim moulding bed；Pedestal is welded in aperture.The folding method of waterproof casing base platform includes: horizontal, the vertical reference line according to main hull, surveys to draw on the deck of main hull and closes up hookup wire；Overturn waterproof casing base platform；On the basis of closing up hookup wire, waterproof casing base platform is closed up with main hull.In the production method of above-mentioned waterproof casing base platform, by increasing the aperture spacing on jigsaw, to compensate the welding contracted quantity in the later period of above-mentioned waterproof casing base platform.To reach the deformation quantity for reducing waterproof casing base platform, guarantee the purpose of the precision of waterproof casing base platform.
Description
Technical field
The present invention relates to field of ocean engineering, and in particular to waterproof casing base in a kind of semisubmersible drilling platform field
The production method and folding method of seat platform.
Background technique
The main hull of semisubmersible drilling platform realizes upper and lower fixed water proof set by pylon and waterproof casing base platform
The both ends of pipe.Pylon is equipped with fingerboard, offers fixed hole position on fingerboard.The upper end of waterproof casing is contained in the fixation hole of fingerboard
On position.Waterproof casing base platform is set to the lower section of pylon, and waterproof casing base platform is equipped with waterproof casing pedestal, water proof set
Pedestal tube is used to install the lower end of fixed waterproof casing.Waterproof casing base platform is as waterproof casing in semisubmersible drilling platform
One important component of storage area.In base platform and during closing up of pylon, it is desirable that the fixed hole position of fingerboard with
The pedestal of base platform is located on same axis, to guarantee that waterproof casing can be installed smoothly.
Under normal conditions, it in the manufacturing process of waterproof casing base platform, needs largely to be welded, welding is shunk
Cause the deformation of waterproof casing base platform serious.If construction process is unreasonable, will cause to close up location difficulty, accuracy error tight
Weight.Eventually lead to the center Concentricity tolerance of the fixed hole position of fingerboard on the pedestal center of circle and the pylon in waterproof casing base platform
It is larger, it is difficult to realize the fixed installation of waterproof casing.
Summary of the invention
The purpose of the present invention is to provide one kind can guarantee waterproof casing base platform production precision, guarantees waterproof casing
The production method and folding method for the waterproof casing base platform smoothly installed.
A kind of production method of waterproof casing base platform, the waterproof casing base platform include jigsaw and pedestal, institute
It states jigsaw and offers aperture, the pedestal is used to install one end of the waterproof casing, and the pedestal is fixed at the aperture
Interior, the production method includes:
Increase the aperture spacing of the jigsaw, the range of the increased aperture spacing is 2mm~8mm；
Interim moulding bed is set in ground surface platform；
The jigsaw is fixed on the interim moulding bed；
In the opening by pedestal welding.
In a wherein embodiment, further comprises the steps of: to survey in the ground surface platform and draw ground line-transect, described ground line-transect is
The line of the projection of the center of the aperture on the ground.
In a wherein embodiment, the centers of the multiple apertures for choosing the jigsaw is further comprised the steps of: as alignment point,
The alignment point is distributed in the outer peripheral edge of the jigsaw, and the alignment point is aligned with described ground line-transect.
In a wherein embodiment, there are two orthogonal bracing wire, the intersection points of two bracing wires for the pedestal drawing
The center of the pedestal is aligned with described ground line-transect on the basis of described ground line-transect for the center of pedestal, and by the pedestal
It is welded in the aperture.
In a wherein embodiment, fabricated base is further comprised the steps of:；
It further comprises the steps of: and interim reinforcement is installed to jigsaw, the interim reinforcement is arranged along the length direction of the jigsaw.
In a wherein embodiment, in the step of by pedestal welding in the opening, to each base
Seat is synchronized, is symmetrically welded.
In a wherein embodiment, further comprises the steps of: and support tube is installed on the jigsaw, used between the support tube
Connecting tooling connection.
A kind of folding method of waterproof casing base platform, the waterproof casing base platform are according to above-mentioned waterproof casing
The production method of base platform is made, and the folding method includes:
According to horizontal, the vertical reference line of main hull, surveys to draw on the deck of the main hull and close up hookup wire；
Overturn the waterproof casing base platform；
By it is described close up hookup wire on the basis of, the waterproof casing base platform is closed up with the main hull；
The pylon for being used to assemble fingerboard and the main hull are closed up, the fitting surface of the pylon and the fingerboard is equipped with anti-
Deformation quantity.
In a wherein embodiment, the anti-deformation quantity of the fitting surface is 10mm~40mm.
It in a wherein embodiment, further comprises the steps of: and closes up hookup wire according to, by the fixed hole position of the fingerboard
Center be aligned with the hookup wire that closes up and the fingerboard be installed on the pylon.
In the production method of above-mentioned waterproof casing base platform, by increasing the aperture spacing on jigsaw, in compensation
State the welding contracted quantity in the later period of waterproof casing base platform.To reach the deformation quantity for reducing waterproof casing base platform, protect
Demonstrate,prove the purpose of the precision of waterproof casing base platform.
In the folding method of above-mentioned waterproof casing base platform, due to the production according to above-mentioned waterproof casing base platform
Waterproof casing base platform made from method can be compensated since welding etc. operates bring contraction distortion, then waterproof casing pedestal
Platform precision with higher.It may therefore be assured that waterproof casing base platform and main hull close up precision.
Detailed description of the invention
Fig. 1 is the flow chart of the production method of the waterproof casing base platform of present embodiment；
Fig. 2 is the structural schematic diagram of the waterproof casing base platform according to made by production method shown in FIG. 1；
Fig. 3 be production method shown in FIG. 1 in line-transect and interim moulding bed schematic diagram；
Fig. 4 is the flow chart of the production method of the waterproof casing base platform of another embodiment；
Fig. 5 is the structural schematic diagram of jigsaw in production method shown in Fig. 4；
Fig. 6 is the structural schematic diagram of pedestal in production method shown in Fig. 4；
Fig. 7 is the specific steps schematic diagram of step S17 in production method shown in Fig. 4；
Fig. 8 is the structural schematic diagram of support column and connecting tooling in production method shown in Fig. 4；
Fig. 9 is the schematic diagram after the overturning of waterproof casing base platform made by production method shown in Fig. 4；
Figure 10 is the flow chart of the folding method of the waterproof casing base platform of present embodiment；
Figure 11 is the flow chart of the production method of the waterproof casing base platform of another embodiment；
Figure 12 is the structural schematic diagram of pylon in folding method shown in Figure 11；
Figure 13 is the structural schematic diagram that pylon is connect with fingerboard in folding method shown in Figure 11；
Figure 14 is the structural schematic diagram for another angle that pylon shown in Figure 13 is connect with fingerboard.
The reference numerals are as follows: 100, waterproof casing base platform；102, anchor point；110, jigsaw；111, aperture；
112, alignment point；120, pedestal；121, components；122, cylindrical portion；130, interim moulding bed；140, line-transect；152, bracing wire；
160, support tube；170, connecting tooling；210, fingerboard；211, fixed hole position；220, pylon；221, fitting surface.
Specific embodiment
The exemplary embodiment for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various variations in different embodiments, neither depart from the scope of the present invention, and theory therein
Bright and diagram inherently is illustrated as being used, rather than to limit the present invention.
Referring to Fig. 1, the present invention provides a kind of production method of waterproof casing base platform.Referring to Fig. 2, wherein, every
Jacket pipe base platform 100 includes jigsaw 110 and pedestal 120.Jigsaw 110 offers aperture 111, pedestal 120 for install every
One end of jacket pipe, pedestal 120 are fixed in aperture 111.
Please refer to Fig. 1 and Fig. 2, the production method of the waterproof casing base platform of present embodiment the following steps are included:
Step S11, increases the aperture spacing of jigsaw 110, and the range of increased aperture spacing is 2mm~8mm.Every piece of jigsaw
Pitch of holes size is set to increase 2mm~8mm compared with theoretical size when 110 blanking.The subsequent welding manner of jigsaw 110 is mostly fine melt
Welding thoroughly, for this kind of welding manner, the pitch of holes between two neighboring aperture 111 can about reduce 2mm~8mm.When spelling
When 110 blanking of plate, pitch of holes is made to increase 2mm~8mm, shrinkage caused by can compensating due to welding.Under every piece of jigsaw 110
When material, the welding to make up the later period is shunk, and increases the size of aperture spacing compared with theoretical size.
Interim moulding bed 130 is arranged in step S13 in ground surface platform.
Referring to Fig. 3, interim moulding bed 130 is to assemble to equip with a kind of special process welded for convenience of mechanical equipment.Face
When moulding bed 130 the surface of working face and jigsaw 110 fit, assembly, the welding that its role is to make to be segmented jigsaw 110
With good condition.After the assembly of jigsaw 110, welding are completed, need for interim moulding bed 130 to be separated with jigsaw 110.Face
When moulding bed 130 select angle steel supporting form.
Step S15, jigsaw 110 are fixed on interim moulding bed 130.
After jigsaw 110 is put on interim moulding bed 130, it is welded and fixed with interim moulding bed 130.When the needs of jigsaw 110 are removed
When, jigsaw 110 can be made to separate with interim moulding bed 130 by cutting weld.
Pedestal 120 is welded in aperture 111 by step S17.
In the production method of above-mentioned waterproof casing base platform, the pitch of holes of the aperture 111 by increasing jigsaw 110,
It is shunk with making up welding of the jigsaw 110 in the later period, to guarantee the accuracy of 111 position of aperture of jigsaw 110, and then can be protected
Demonstrate,prove the accurate of 120 installation site of pedestal.Therefore the waterproof casing according to made from the production method of above-mentioned waterproof casing base platform
Base platform 100 improves precision on the whole, to guarantee that waterproof casing can be installed smoothly.
It further include step S12 in the production method of above-mentioned waterproof casing base platform please refer to Fig. 4: flat on ground
It is surveyed on platform and draws a ground line-transect 140, ground line-transect 140 is formed according to the projective rendering of the center of aperture on the ground.As shown in figure 3, ground
Line-transect 140 provides benchmark for the production method of above-mentioned waterproof casing base platform, and it is foundation that subsequent operation, which has determining benchmark, with
Improve the production precision of waterproof casing base platform 100.Interim moulding bed 130 avoids ground line-transect 140, avoids blocking ground line-transect 140.
According to step S11, since 111 spacing of aperture increases compared to theoretical value, then the ground line-transect 140 in step S12
Correspondingly increase spacing.Specifically, the spacing between two neighboring ground line-transect 140 increases 2mm~8mm compared with theoretical value.
Specifically in the present embodiment, in step S15, jigsaw 110 is fixed in the step on interim moulding bed 130, due to
The area of jigsaw 110 is larger, and offers a large amount of aperture 111, it is desirable that the center of each aperture 111 is right with ground line-transect 140
Together, it is more difficult to realize.Therefore, step S15 specifically:
Referring to Fig. 5, the center of multiple apertures 111 of selection jigsaw 110 is as alignment point 112, alignment point 112 is distributed in
The outer peripheral edge of jigsaw 110, alignment point 112 are aligned with ground line-transect 140, are then sealed tire and are fixed.By hanging vertical line to jigsaw 110, make
The vertical line of jigsaw 110 is overlapped with ground line-transect 140 as far as possible.Guarantee that alignment point 112 can be aligned with ground line-transect 140, then jigsaw
The center of 110 other apertures 111 approximate can also be aligned with ground line-transect 140.Choose the aperture for being located at 110 outer peripheral edge of jigsaw
111 center can guarantee the center of greater number of aperture 111 on entire jigsaw 110 as alignment point 112 to the greatest extent
It is aligned with ground line-transect 140.
Specifically in the present embodiment, the center of 6 apertures 111 is chosen as alignment point 112, is respectively as follows: positioned at jigsaw
The aperture center of four apexes of 110 length direction, and in the aperture of the midpoint of two long sides of jigsaw 110
The heart.By alignment point 112 at above-mentioned 6, it can guarantee the center of greater number of aperture and ground sample on jigsaw 110 to the greatest extent
Line 140 is aligned.
Please refer to Fig. 3, the production method of above-mentioned waterproof casing base platform further includes step S16: fabricated base
120, multiple components of pedestal 120 and the welding of cylindrical portion 122 are installed.Referring to Fig. 6, pedestal 120 includes multiple components
121 and cylindrical portion 122.Before by pedestal 120 and the welding installation operation of jigsaw 110, pedestal is carried out as unit of module pre-
System.It avoids when installation pedestal 120, more welding occurs between pedestal 120 and jigsaw 110, is easy to cause jigsaw
110 occur more thermal shrinking quantity, to influence the overall precision of waterproof casing base platform 100.
The production method of above-mentioned waterproof casing base platform further includes step S169: installing interim reinforcement (figure to jigsaw 110
Do not show), it is interim to reinforce being arranged along the length direction of jigsaw 110.It is interim to reinforce controlling simultaneously for preventing the contraction distortion of welding
Later period close up during lifting deformation.Interim reinforcement is i.e. dismountable after waterproof casing base platform 100 is closed up with main hull.
It is appreciated that interim reinforce being reinforcing rib or reinforcement bracing wire etc..
Specifically in the present embodiment, in step S17, pedestal 120 is welded in aperture 111.Step S17 is specific
Are as follows: when welding to each pedestal 120, the welding requirements between each pedestal 120 and aperture 111 is synchronous, right
Claim welding.Usually multiple welding personnels, which synchronize, welds symmetrical solder joint.
Also, for entire jigsaw 110, since multiple apertures 111 being distributed on jigsaw 110, for multiple apertures
111 with the welding installment work of pedestal 120, also require that it is synchronous, be symmetrically welded.I.e. welding personnel is synchronized to two or more positions
Aperture 111 in symmetrical position carries out welding installation pedestal 120.In pedestal 120 and 110 welding of jigsaw, synchronous,
Being symmetrically welded principle can allow deformation of the welding with respect to both sides to be cancelled out each other, and reduce welding deformation quantity.
Please refer to Fig. 7, specific steps S17 includes: step S171, and there are two orthogonal bracing wires for the drawing of pedestal 120
152, as shown in fig. 6, the intersection point of two bracing wires 152 is the center of pedestal 120.It can be learnt by the intersection point of two bracing wires 152
The intersection point of two bracing wires 152 is aligned by the center of pedestal 120 when installing to pedestal 120 with ground line-transect 140, and
Pedestal 120 is welded in aperture 111.Also, the intensity of pedestal 120 can be enhanced in two bracing wires 152, prevents pedestal 120 from existing
Biggish deformation quantity occurs in prefabrication process.
For base central and the ground biggish aperture 111 of 140 phase mutual deviation of line-transect, step S17 specifically further includes step
S172 carries out cutting amendment to aperture 111, and base central is made to align with ground line-transect 140.Please refer to Fig. 3 and Fig. 8, on
The production method for stating waterproof casing base platform further includes step S18: support tube 160, support tube 160 are installed on jigsaw 110
Between with connecting tooling 170 connect.
For convenience of the implementation of the operations such as welding, installation, the production method of above-mentioned waterproof casing base platform is reversed production.
Support tube 160 is welded on jigsaw 110, also, is connected between support tube 160 with connecting tooling 170.As shown in figure 9, will be every
When jacket pipe base platform 100 and main hull close up, need first to overturn waterproof casing base platform 100.After overturning, branch
For stay tube 160 between main hull deck and jigsaw 110, support tube 160 is used to support jigsaw 110.In switching process, jigsaw
110 easily deform, and by the way that connecting tooling 170 is arranged between support tube 160, increase waterproof casing base platform 100
Intensity prevents jigsaw 110 from biggish deformation occurring in switching process.
The present invention also provides a kind of folding methods of waterproof casing base platform.
Referring to Fig. 10, waterproof casing base platform 100 is the production method system according to above-mentioned waterproof casing base platform
It forms.After above-mentioned waterproof casing base platform 100 completes, need to close up with main hull.Waterproof casing base platform
Folding method include:
Step S21 is surveyed to draw on the deck of main hull and is closed up hookup wire (figure is not according to horizontal, the vertical reference line of main hull
Show).In operation on hull, horizontal, the vertical reference line of main hull founds and carries phase measuring institute to be used to refer to lead correctly group
The benchmark done.It is identical as ground line-transect 140 to close up hookup wire.Close up hookup wire be also the center of theoretical aperture 111 on the ground
Projection.
Step S22 overturns waterproof casing base platform 100.Since waterproof casing base platform 100 is reversed production, need
It is forward direction by the overturning of waterproof casing pedestal.
Step S23 is closed up waterproof casing base platform 100 with main hull on the basis of closing up hookup wire.
Waterproof casing base platform 100 is moved on on main hull, according to closing up on the basis of hookup wire for main hull, makes pedestal
Center be aligned with hookup wire is closed up.
Specifically in the present embodiment, step S23 is specifically, choose multiple pedestals 120 of waterproof casing base platform 100
Center as anchor point 102, as shown in Figure 2.Anchor point 102 is distributed in the outer peripheral edge of waterproof casing base platform 100.Positioning
Point 102 with close up hookup wire and be aligned, then weld and close up fixation.Guarantee anchor point 102 can be aligned with hookup wire is closed up, then every
The center of other pedestals 120 of jacket pipe base platform 100 can also it is approximate with close up hookup wire and be aligned.It chooses and is located at water proof set
The center of the aperture 111 of the outer peripheral edge of pedestal tube platform 100 can guarantee a greater number as anchor point 102 to the greatest extent
The center of pedestal 120 be aligned with hookup wire is closed up.
Specifically in the present embodiment, the center of 6 pedestals is chosen as anchor point 102, is respectively as follows: positioned at waterproof casing
The base central of 111 4 apexes of aperture of the length direction of base platform 100, and it is located at waterproof casing base platform
The base central of the midpoint of 100 two long sides.By anchor point 102 at above-mentioned 6, it can guarantee water proof set to the greatest extent
The center of greater number of pedestal 120 is aligned with hookup wire is closed up on pedestal tube platform 100, thus guarantee waterproof casing pedestal with
Main hull closes up precision.
Please refer to Figure 11, Figure 12 and Figure 13, the folding method of above-mentioned waterproof casing base platform further includes step
S24: the pylon 220 and the main hull that are used to assemble fingerboard 210 are closed up, and the fitting surface 221 of pylon 220 and fingerboard 210 is equipped with anti-
Deformation quantity.
Figure 14 is please referred to, since the fitting surface 221 of pylon 220 and fingerboard 210 is two relative inner faces of pylon 220,
When welding installation to fingerboard 210, pylon 220 can be due to welding to contract.Therefore, in pylon 220 and fingerboard 210
Fitting surface 221 is equipped with anti-deformation quantity and is shunk with compensating welding.Anti- deformation quantity is that pylon 220 prevents from causing when welding fingerboard 210
To contract, and the mounting surface of pylon 220 and fingerboard 210 is expanded outwardly into certain size relative to normal place in advance.
Specifically in the present embodiment, the anti-deformation quantity of fitting surface 221 is 10mm~40mm.Above-mentioned anti-deformation quantity can guarantee pylon
220 when fingerboard 210 are installed deformation quantity it is excessive, influence the accuracy of the installation of fingerboard 210.
Referring to Figure 11, Figure 12 and Figure 13, the folding method of above-mentioned waterproof casing base platform further includes step
S25: according to closing up hookup wire, by the center of the fixed hole position of fingerboard 210 with close up hookup wire and be aligned and be installed on fingerboard 210
On pylon 220.
Fingerboard 210 offers fixed hole position 211, and the center of fixed hole position 211 is aligned with hookup wire is closed up, waterproof casing base
The center of seat also with close up hookup wire and be aligned, it can guarantee the concentricity at the center of fingerboard 210 and the center of pedestal 120.?
When installing waterproof casing, the upper end of waterproof casing is smoothly mounted on fingerboard 210, and the lower end of waterproof casing is smoothly mounted on
On corresponding pedestal 120.
So far closing up for waterproof casing base platform 100 is completed.
To sum up, in the production method of above-mentioned waterproof casing base platform, by increasing the aperture spacing on jigsaw 110,
To compensate the welding contracted quantity in the later period of above-mentioned waterproof casing base platform 100.Reduce waterproof casing base platform to reach
100 deformation quantity guarantees the purpose of the precision of waterproof casing base platform 100.
In the folding method of above-mentioned waterproof casing base platform, due to the production according to above-mentioned waterproof casing base platform
Waterproof casing base platform 100 made from method can be compensated since welding etc. operates bring contraction distortion, then waterproof casing
The precision with higher of base platform 100.It may therefore be assured that waterproof casing base platform 100 and main hull close up precision.
Although describing the present invention with reference to several exemplary embodiments, it is to be understood that, term used be explanation and
Term exemplary, and not restrictive.Due to the present invention can be embodied in a variety of forms without departing from invention spirit or
Essence, it should therefore be appreciated that above embodiment is not limited to any of the foregoing details, and should be defined by the appended claims
The whole change and modification widely explained, therefore fallen into claim or its equivalent scope in spirit and scope all should be with
Attached claim is covered.
Claims (10)
1. a kind of production method of waterproof casing base platform, the waterproof casing base platform includes jigsaw and pedestal, described
Jigsaw offers aperture, and the pedestal is used to install one end of the waterproof casing, and the pedestal is fixed in the aperture,
The production method includes:
Increase the aperture spacing of the jigsaw, the range of the increased aperture spacing is 2mm ~ 8mm；
Interim moulding bed is set in ground surface platform；
The jigsaw is fixed on the interim moulding bed；
In the opening by pedestal welding.
2. the production method of waterproof casing base platform according to claim 1, which is characterized in that further comprise the steps of:
It is surveyed in the ground surface platform and draws ground line-transect, described ground line-transect is the line of the projection of the center of the aperture on the ground.
3. the production method of waterproof casing base platform according to claim 2, which is characterized in that further comprise the steps of: choosing
Take the center of multiple apertures of the jigsaw as alignment point, the alignment point is distributed in the outer peripheral edge of the jigsaw, described right
It is aligned on schedule with described ground line-transect.
4. the production method of waterproof casing base platform according to claim 2, which is characterized in that the pedestal drawing has two
A orthogonal bracing wire, the intersection point of two bracing wires is the center of pedestal, on the basis of described ground line-transect, by the pedestal
Center be aligned with described ground line-transect, and the pedestal is welded in the aperture.
5. the production method of waterproof casing base platform according to claim 1, which is characterized in that further comprise the steps of: pre-
Pedestal processed；
It further comprises the steps of: and interim reinforcement is installed to jigsaw, the interim reinforcement is arranged along the length direction of the jigsaw.
6. the production method of waterproof casing base platform according to claim 1, which is characterized in that welded by the pedestal
In the step of connecing in the opening, each pedestal is synchronized, is symmetrically welded.
7. the production method of waterproof casing base platform according to claim 1, which is characterized in that further comprise the steps of:
Support tube is installed on the jigsaw, is connected between the support tube with connecting tooling.
8. a kind of folding method of waterproof casing base platform, the waterproof casing base platform is according to claim 1 ~ 7 times
The production method of one waterproof casing base platform of meaning is made, and the folding method includes:
According to horizontal, the vertical reference line of main hull, surveys to draw on the deck of the main hull and close up hookup wire；
Overturn the waterproof casing base platform；
By it is described close up hookup wire on the basis of, the waterproof casing base platform is closed up with the main hull；
The pylon for being used to assemble fingerboard and the main hull are closed up, the fitting surface of the pylon and the fingerboard is equipped with anti-deformation
Amount.
9. the folding method of waterproof casing base platform according to claim 8, which is characterized in that the fitting surface it is anti-
Deformation quantity is 10mm ~ 40mm.
10. the folding method of waterproof casing base platform according to claim 8, which is characterized in that further comprise the steps of: root
Close up hookup wire according to described, the center of the fixed hole position of the fingerboard is aligned with the hookup wire that closes up and pacifies the fingerboard
Loaded on the pylon.
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| CN201610054695.0A CN107010170B (en) | 2016-01-27 | 2016-01-27 | The production method and folding method of waterproof casing base platform |
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| CN101962946A (en) * | 2009-07-24 | 2011-02-02 | 中国海洋石油总公司 | Method for arranging hoisting points and floating-supported conduit frame with skirt pile sleeves |
| CN104373047A (en) * | 2013-08-13 | 2015-02-25 | 上海外高桥造船有限公司 | Molding bed for derrick assembly |
| CN105256778A (en) * | 2014-07-16 | 2016-01-20 | 中国海洋石油总公司 | Six-leg jacket wellhead platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB9621195D0 (en) * | 1996-10-11 | 1996-11-27 | Kvaerner Eng | Off-shore oil or gas production unit |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962946A (en) * | 2009-07-24 | 2011-02-02 | 中国海洋石油总公司 | Method for arranging hoisting points and floating-supported conduit frame with skirt pile sleeves |
| CN104373047A (en) * | 2013-08-13 | 2015-02-25 | 上海外高桥造船有限公司 | Molding bed for derrick assembly |
| CN105256778A (en) * | 2014-07-16 | 2016-01-20 | 中国海洋石油总公司 | Six-leg jacket wellhead platform |
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