CN106812126B - A kind of high-precision offshore platform spud leg assemble method and its spud leg being assembled into - Google Patents
A kind of high-precision offshore platform spud leg assemble method and its spud leg being assembled into Download PDFInfo
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- CN106812126B CN106812126B CN201710024317.2A CN201710024317A CN106812126B CN 106812126 B CN106812126 B CN 106812126B CN 201710024317 A CN201710024317 A CN 201710024317A CN 106812126 B CN106812126 B CN 106812126B
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- spud leg
- guide plate
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- coaming
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000005192 partition Methods 0.000 claims abstract description 74
- 238000000465 moulding Methods 0.000 claims abstract description 71
- 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 description 24
- 238000009434 installation Methods 0.000 claims description 22
- 238000003466 welding Methods 0.000 claims description 21
- 230000014759 maintenance of location Effects 0.000 claims description 13
- 210000002683 foot Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0039—Methods for placing the offshore structure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B2017/0056—Platforms with supporting legs
- E02B2017/0065—Monopile structures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of high-precision offshore platform spud leg assemble method and its spud leg being assembled into, main body is the columnar bolt-type spud leg of octagon, and spud leg is divided into multistage spud leg section and is assembled, included the following steps from bottom to top：Step A manufactures spud leg section part, and coaming plate is welded on the coaming plate position level edge of platform partition board by step B, to be assembled into the first spud leg section component；Step C manufactures moulding bed, is placed on the central axes of moulding bed and fix one piece of guide plate.The columnar bolt-type spud leg of octagon is divided into multistage from bottom to top, carries out being assembled into spud leg section independently of each other, finally multiple spud leg sections is closed up, construction environment is improved, shortens construction period, improve producing efficiency.It need to only realize the accurate positionin to the guide plate on moulding bed, you can realize that the accurate positionin to entire spud leg section assembles, not only kept high assembly precision, but also reduce positioning and assembling difficulty, greatly improve packaging efficiency, reduce assembling input cost.
Description
Technical field
The present invention relates to ocean engineering field more particularly to a kind of high-precision offshore platform spud leg assemble method and its groups
The spud leg dressed up.
Background technology
Spud leg is the important component of offshore work platform, be used to support the weight of upper hull and bear wind, wave,
Environmental loads, the structure types such as stream are mainly cylindrical leg and truss framed leg, and the lifting system of spud leg mainly has hydraulic pressure
Bolt-type and pinion and-rack.Currently, being mostly to make cylindrical leg, the assemble method of cylindrical leg is complex, needs
The a large amount of template of pre-production is to be positioned and be spliced to cylindrical leg component, to assembling essence in complicated assembling process
The control of degree is more difficult, and then seriously affects the assembling quality and packaging efficiency of spud leg.
Invention content
A kind of without making spud leg locating template it is an object of the invention to propose, assembly precision controllability height, assembling is more
For convenience of efficiently high-precision offshore platform spud leg assemble method.
A kind of without making spud leg locating template it is an object of the invention to propose, assembly precision controllability height, assembling is more
For convenience of efficiently high-precision spud leg.
For this purpose, the present invention uses following technical scheme：
A kind of high-precision offshore platform spud leg assemble method, main body be the columnar bolt-type spud leg of octagon, spud leg by
It is divided into multistage spud leg section upwards down to be assembled, includes the following steps：
Step A manufactures spud leg section part, and the spud leg section part includes platform partition board, coaming plate and guide plate, the platform
The side of partition board is octagon；The platform partition board includes that four coaming plate position level edges and four guide plates position bevelled edge
Edge, coaming plate position level edge and guide plate positioning bevelled edge edge are spaced apart in the side of the platform partition board；Manufacture
Guide plate include multiple pin holes, the pin hole is longitudinally disposed at evenly and at intervals on the guide plate；
Coaming plate is welded on the coaming plate position level edge of platform partition board by step B, to be assembled into the first spud leg section group
Part；
Step C manufactures moulding bed, is placed on the central axes of moulding bed and fix one piece of guide plate；Then, by step B
First spud leg section component of assembling overturns to the wherein one guide plate positioning bevelled edge edge of platform partition board and is horizontal
Until；Then, the first spud leg section component after overturning is sling to the top of moulding bed；Wherein one guiding of last platform partition board
The guide plate that plate positions on bevelled edge edge and moulding bed is aligned and welds, to be assembled into the second spud leg section component；
Step D, to the second spud leg section components welding guide plate of step C, the i.e. guide plate to the remaining item of platform partition board
Bevelled edge is positioned along welding guide plate, to be assembled into spud leg section, in the spud leg section up and down two pieces of guide plates same
It is mutually parallel on plumb line and with ground, and the two pieces of guide plates in left and right are mutually perpendicular in the same horizontal line and with ground；
Multiple spud leg sections are hung and on moulding bed close up being assembled into spud leg by step E.
Preferably, further include coaming plate fixing rib, the coaming plate fixing rib is longitudinally welded in the inside of coaming plate；
Accordingly, the platform partition board further includes coaming plate installation groove, and the coaming plate installation groove is set to coaming plate positioning
Horizontal edge.
Preferably, the step B include it is following step by step：
Step B1, one block of coaming plate is horizontally-arranged；
Several pieces of platform partition boards are erected on coaming plate by step B2, and the wherein one coaming plate positioning of platform partition board
Horizontal edge and coaming plate alignment, while the coaming plate fixing rib on coaming plate is inserted into coaming plate installation groove；Then, by coaming plate fixing rib
It is welded in coaming plate installation groove, is fixed on the coaming plate with making the platform divider upright；
Step B3 welds coaming plate, and the coaming plate toward the coaming plate position level edge of remaining of the platform partition board
Coaming plate fixing rib be welded in corresponding coaming plate installation groove, to be assembled into the first spud leg section component.
Preferably, the moulding bed of the step C manufactures includes moulding bed pedestal, a plurality of support post and two retention bars, institute
The left and right sides that support post is symmetrically welded in moulding bed pedestal is stated, two retention bars are symmetrically welded in moulding bed pedestal
Middle part；
The support post must take root；The support post has stretching structure, and the height of the support post is adjustable
Section.
Preferably, further include that ground line-transect is drawn on assembling place between the step B and step C, i.e., on assembling place
Horizontally-guided plate position line is drawn in advance, and the horizontally-guided plate position line is two pieces of guide plates up and down of the spud leg section
All pin holes central projection and central projection between line；
Then the first vertically-guided plate position line is drawn, the first vertically-guided plate position line is a left side for the spud leg section
Line between the central projection and central projection of all pin holes of the guide plate of side；
The second vertically-guided plate position line is finally drawn, the second vertically-guided plate position line is the right side of the spud leg section
Line between the central projection and central projection of all pin holes of the guide plate of side.
Preferably, in the step C further include positioning to the moulding bed：
First, it is fixed on the first vertically-guided plate position line and second at left and right sides of the moulding bed pedestal of the moulding bed
Between vertically-guided plate position line, and the central axes of the moulding bed pedestal and the horizontally-guided plate position line overlap；
Then, it is placed between two retention bars on the moulding bed and fixes one piece of guide plate, it is desirable that
The pin hole and horizontally-guided plate position line of the guide plate are aligned.
Preferably, the step D includes the following steps：
The first Karma is installed at the top of step D1, the second spud leg section component in step C, that is, is equipped with multiple described
First Karma is symmetrically installed on the outside of two blocks of coaming plates at the top of the second spud leg section component, and first Karma is close
The guide plate positioning bevelled edge at the top of platform partition board is along setting；
Step D2, first Karma inside setting assembly locating groove, it is described assembly locating groove bottom surface and
For the guide plate positioning bevelled edge at the top of the platform partition board along in same level, the assembly of opposite two the first Karmas is fixed
Position card inter-alveolar distance and the guide plate it is of same size；
One piece of guide plate is inserted into the assembly locating groove at the top of the second spud leg section component by step D3, and
And it is aligned with the guide plate of the bottom of the second spud leg section component, it is desirable that two pieces of guide plates up and down of the second spud leg section component
Pin hole corresponds；Then the guide plate positioning bevelled edge at the top of the guide plate and platform partition board is along welding.
Preferably, the step D is further comprising the steps of：
Step D4 installs the second Karma to completing the left and right sides of the second spud leg section component of the step D3, that is, is equipped with
Multiple second Karmas are symmetrically installed on the outside of two blocks of coaming plates of the bottom of the second spud leg section component, and second Karma
Guide plate positioning bevelled edge close to the left and right sides of platform partition board is along setting；
L-type plummer is arranged in the inside of second Karma, then by the L-type plummer second in step D5
The left and right sides of spud leg section component place the guide plate, it is desirable that the L-type plummer can make the guide plate of placement and right
The guide plate positioning bevelled edge answered is along the central axes for the guide plate be close to, and placed and the corresponding guide plate
The midpoint for positioning bevelled edge edge overlaps；
Step D6 installs multiple third Karmas to completing the inside of the second spud leg section component of the step D5, and described the
One end of three Karmas is equipped with limit scarf, and the third Karma is installed on two blocks of coaming plates of the bottom of the second spud leg section component
Inside, and the guide plate of the left and right sides of the limit scarf of third Karma and the second spud leg section component is close to；
Step D7 is tightly attached to the guiding of the left and right sides of the guide plate and platform partition board at left and right sides of the second spud leg section component
Plate positioning bevelled edge edge is welded, and the pin hole of the guide plate at left and right sides of the second spud leg section component is required to correspond,
To be assembled into the spud leg section.
Preferably, the step E includes the following steps：
Step E1, the spud leg section assembled to step D weld enclosure support cross, the enclosure support cross
Four end feets are respectively welded at the inside of corresponding coaming plate；
Step E2 supports cross, the guide plate support ten to the spud leg section welding guide plate for completing step E1
Four end feets of cabinet frame are respectively welded at the inside of corresponding guide plate；
Step E3, to welding lifting lug on four coaming plates of the spud leg section for completing the step E2；
Step E4, by lifting lug to the spud leg section of step E3 carry out overturning until the spud leg section it is one of
Until coaming plate is horizontal；
Multiple spud leg sections for completing the step E4 are hung by lifting lug and on moulding bed close up being assembled by step E5
Spud leg.
Preferably, a kind of spud leg using the high-precision offshore platform spud leg assemble method assembling.
The columnar bolt-type spud leg of octagon is divided by the high-precision offshore platform spud leg assemble method from bottom to top
Multistage carries out being assembled into the spud leg section independently of each other, finally closes up multiple spud leg sections, improves construction environment, contracting
Short construction period, improves producing efficiency.Moreover, it is different from existing cylindrical leg assemble method, it is described high-precision
Offshore platform spud leg assemble method is suitable for the assembling of the columnar bolt-type spud leg of octagon, without making spud leg locating template,
Assembly cost is lower, and assembling is more convenient.The high-precision offshore platform spud leg assemble method need to only be realized in tire
The accurate positionin of guide plate on frame, you can it realizes that the accurate positionin to entire spud leg section assembles, had not only kept high assembly precision, but also
Positioning and assembling difficulty are reduced, packaging efficiency is greatly improved, reduces assembling input cost.
Description of the drawings
The present invention will be further described for attached drawing, but the content in attached drawing does not constitute any limitation of the invention.
Fig. 1 is the spud leg section structure schematic diagram of the one of embodiment of the present invention；
Fig. 2 is the spud leg assembling flow path schematic diagram of the one of embodiment of the present invention；
Fig. 3 is the platform diaphragm structure schematic diagram of the one of embodiment of the present invention；
Fig. 4 is the coaming plate structural schematic diagram of the one of embodiment of the present invention；
Fig. 5 is the first spud leg section component assembling process schematic diagram of the one of embodiment of the present invention；
Fig. 6 is the second spud leg section component assembling process schematic diagram of the one of embodiment of the present invention；
Fig. 7 is the moulding bed overlooking structure diagram of the one of embodiment of the present invention；
Fig. 8 is the ground line-transect structural schematic diagram of the one of embodiment of the present invention；
Fig. 9 is the spud leg section assembling process schematic diagram of the one of embodiment of the present invention；
Figure 10 is the Karma structural schematic diagram of the one of embodiment of the present invention；
Figure 11 is the support cross structure schematic diagram of the one of embodiment of the present invention.
Wherein：Spud leg section 93；Platform partition board 1；Coaming plate 2；Guide plate 3；Coaming plate position level edge 11；Guide plate locating latch
Trimming is along 12；Pin hole 31；First spud leg section component 91；Moulding bed 4；Second spud leg section component 92；Coaming plate fixing rib 21；Coaming plate is installed
Groove 13；Moulding bed pedestal 42；Support post 41；Retention bar 43；Ground line-transect 8；Horizontally-guided plate position line 81；First vertically leads
To plate position line 82；Second vertically-guided plate position line 83；First Karma 51；Assemble locating groove 511；Second Karma 52；L-type
Plummer 521；Third Karma 53；Limit scarf 531；Enclosure support cross 6；Guide plate supports cross 7.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
The high-precision offshore platform spud leg assemble method of the present embodiment is inserted as shown in Figure 1, main body is that octagon is columnar
Pin type spud leg, spud leg is divided into multistage spud leg section 93 and is assembled from bottom to top, as shown in Fig. 2, including the following steps：
Step A manufactures spud leg section part, as shown in Figure 1, the spud leg section part includes platform partition board 1, coaming plate 2 and leads
To plate 3, the side of the platform partition board 1 is octagon；The platform partition board 1 includes four coaming plate position level edges 11 and four
A guide plate positioning bevelled edge is along 12, as shown in figure 3, coaming plate position level edge 11 and guide plate position bevelled edge along 12
It is spaced apart in the side of the platform partition board 1；The guide plate 3 of manufacture includes multiple pin holes 31, and the pin hole 31 is spaced uniformly
Ground is longitudinally disposed on the guide plate 3；
Step B, as shown in figure 5, coaming plate 2 is welded on the coaming plate position level edge 11 of platform partition board 1, to assemble
At the first spud leg section component 91；
Step C, as shown in fig. 6, manufacture moulding bed 4, places on the central axes of moulding bed 4 and fix one piece of guide plate 3；
Then, wherein one guide plate of the overturning of the first spud leg section component 91 to the platform partition board 1 that step B are assembled positions bevelled edge
Until 12 are horizontal；Then, the first spud leg section component 91 after overturning is sling to the top of moulding bed 4；Last platform
Guide plate 3 of the wherein one guide plate positioning bevelled edge of partition board 1 on 12 and moulding bed 4 is aligned and welds, to be assembled into
Second spud leg section component 92；
Step D welds guide plate 3, i.e. leading to the remaining item of platform partition board 1 to the second spud leg section component 92 of step C
It is led described in two pieces up and down in the spud leg section 93 along 12 welding guide plates 3 to be assembled into spud leg section 93 to plate positioning bevelled edge
Be mutually parallel to plate 3 on same plumb line and with ground, and left and right two pieces of guide plates 3 in the same horizontal line and with ground
Face is mutually perpendicular to；
Multiple spud leg sections 93 are hung and on moulding bed 4 close up being assembled into spud leg by step E.
The columnar bolt-type spud leg of octagon is divided by the high-precision offshore platform spud leg assemble method from bottom to top
Multistage carries out being assembled into the spud leg section 93 independently of each other, finally closes up multiple spud leg sections 93, spud leg section assembling process
By the way of sleeping make, spud leg folding process is improved construction environment, is shortened construction period by the way of vertical make, and is improved
Producing efficiency.Moreover, the high-precision offshore platform spud leg assembling side different from existing cylindrical leg assemble method
Method is suitable for the assembling of the columnar bolt-type spud leg of octagon, and without making spud leg locating template, assembly cost is lower, and assembling is more
For convenience of quick.
The spud leg section 93 of the columnar bolt-type spud leg of octagon includes platform partition board 1, coaming plate 2 and guide plate 3, described
The side of platform partition board 1 be octagon, the side of platform partition board 1 set there are four coaming plate position level edge 11 and four guiding
A guide plate is arranged between 12, two coaming plate position level edges 11 and positions bevelled edge along 12, i.e., four for plate positioning bevelled edge
A coaming plate position level edge 11 is opposite two-by-two, and four guide plate positioning bevelled edges are opposite two-by-two along 12.Multiple platforms can be equipped with
The coaming plate position level edge 11 of partition board 1, the inside of the coaming plate 2 and multiple platform partition boards 1 connects, the guide plate 3 it is interior
The guide plate of side and multiple platform partition boards 1 positions bevelled edge along 12 connections, and the platform partition board 1 plays a support and is coupled work
With in order to assemble spud leg section 93.It can be seen that the high-precision offshore platform spud leg assemble method is that controlling four encloses
The welding precision of plate 2 and four guide plates 3 controls emphatically the assembling position precision of four guide plates 3.
Four coaming plates 2 are first welded in the corresponding of platform partition board 1 by the high-precision offshore platform spud leg assemble method
On coaming plate position level edge 11, to be assembled into the first spud leg section component 91.The first spud leg section component 91 is one four
A angle of chamfer is the octagon cylindrical shell of hollow out, and the step C and step D are four to the first spud leg section component 91
Angle of chamfer installs guide plate 3 additional, to form the spud leg section 93.
To improve the assembling position precision of four guide plates 3, the step C manufactures the moulding bed 4, and by one piece of guide plate
3 are fixed on the central axes of moulding bed 4；Then the first spud leg section component 91 is overturn to a pair of of the angle of chamfer of its own and is in
Until horizontal position, preferably flip angle is 45 °, to which the first spud leg section component 91 after overturning is upper and lower two angles of chamfer
(i.e. the guide plate of about 1 two, platform partition board positions bevelled edge along 12) is horizontal, two angle of chamfer (the i.e. platforms in left and right
Guide plate that partition board is 1 or so two positioning bevelled edge is oblique in order to which the guide plate 3 to be mounted on along 12) in vertical position
In corner cut；Then the first spud leg section component 91 after overturning is hung to moulding bed 4 again, and the bottom of the first spud leg section component 91
Guide plate 3 in the angle of chamfer and moulding bed 4 in portion is aligned and welds, to be assembled into the second spud leg section component 92.Finally, then toward institute
It states 92 remaining three angles of chamfer of the second spud leg section component and welds the guide plate 3 using technique is symmetrically welded, to be assembled into
Spud leg section 93.
Therefore, the high-precision offshore platform spud leg assemble method need to only realize the standard to the guide plate 3 on moulding bed 4
Determine position, you can realize that the accurate positionin to entire spud leg section 93 assembles, not only kept high assembly precision, but also reduce positioning and group
Difficulty is filled, packaging efficiency is greatly improved, reduces assembling input cost.
Preferably, as shown in figure 4, further including coaming plate fixing rib 21, the coaming plate fixing rib 21 is longitudinally welded in coaming plate 2
Inside；Accordingly, as shown in figure 3, the platform partition board 1 further includes coaming plate installation groove 13, the coaming plate installation groove 13
It is set to coaming plate position level edge 11.Multiple coaming plate fixing ribs 21 are set, and longitudinally interval is uniformly distributed in the coaming plate 2
Inside, the coaming plate fixing rib 21 play the role of enhance 2 intensity of coaming plate.Accordingly, multiple coaming plate installation grooves can be set
13, the coaming plate fixing rib 21 is connected in coaming plate installation groove 13, to increase the contact surface between coaming plate 2 and platform partition board 1
Product makes coaming plate 2 more be securely mounted at platform partition board 1, avoids 2 stress concentration of coaming plate at one, stress is more convenient for welding
Uniformly.
Preferably, as shown in figure 5, the step B include it is following step by step：
Step B1, one block of coaming plate 2 is horizontally-arranged；
Several pieces of platform partition boards 1 are erected on coaming plate 2 by step B2, and wherein one coaming plate of platform partition board 1 is fixed
Position horizontal edge 11 and coaming plate 2 are aligned, while the coaming plate fixing rib 21 on coaming plate 2 is inserted into coaming plate installation groove 13；Then, will
Coaming plate fixing rib 21 is welded in coaming plate installation groove 13, and the platform partition board 1 is made to be fitted vertically on the coaming plate 2；
Step B3 welds coaming plate 2 toward the coaming plate position level edge 11 of remaining of the platform partition board 1, and described
The coaming plate fixing rib 21 of coaming plate 2 is welded in corresponding coaming plate installation groove 13, to be assembled into the first spud leg section component 91.
It is that corresponding coaming plate installation groove 13 is welded in by coaming plate fixing rib 21 between the coaming plate 2 and platform partition board 1
On come complete assembling：Platform partition board 1 is welded in by coaming plate fixing rib 21 first and is erected in corresponding coaming plate installation groove 13
It is vertical to be fixed on the coaming plate 2；Then, and by coaming plate fixing rib 21 it is welded in the side of corresponding coaming plate installation groove 13
Formula welds coaming plate 2, to be assembled into the first spud leg section component toward the coaming plate position level edge 11 of remaining of platform partition board 1
91.This method can both realize being accurately positioned between coaming plate 2 and platform partition board 1 and weld, and effectively prevent sending out in welding process
Raw displacement, assists assembling without the tool of any additional fixed coaming plate 2；It can make coaming plate 2 more by coaming plate fixing rib 21 again
It is securely mounted at platform partition board 1, avoids 2 stress concentration of the coaming plate at one, stress is more uniformly distributed.
Preferably, as shown in Figure 6, Figure 7, the moulding bed 4 of the step C manufactures includes moulding bed pedestal 42, a plurality of support post
41 and two retention bars 43, the support post 41 be symmetrically welded in the left and right sides of moulding bed pedestal 42, two are described fixed
Position cross bar 43 is symmetrically welded in the middle part of moulding bed pedestal 42；The support post 41 must take root；The support post 41 has
Have a stretching structure, the support post 41 it is height-adjustable.
The moulding bed pedestal 42 is used for bearing assembly, and workbench is provided for spud leg assembling；The moulding bed pedestal 42 is net
Lattice structure, in order to carry out positioning and in real time the assembling situation of observation spud leg to spud leg.The middle part of the moulding bed pedestal 42 is symmetrical
Ground is equipped with two retention bars 43, for being positioned to the guide plate 3 that need to be fixed on the central axes of moulding bed 4,
The distance between two described retention bars 43 are the width of the guide plate 3, and the guide plate 3 is fixed on two when assembling
Between the retention bar 43, so that it is guaranteed that the central axes of the guide plate 3 and the central axes of moulding bed 4 overlap, and then institute is ensured
Fitting can be aligned along 12 by stating the wherein one guide plate positioning bevelled edge of guide plate 3 and platform partition board 1, improve welding essence
Degree.
The support post 41 is symmetrically welded in the left and right sides of moulding bed pedestal 42, the be used to support after fixed overturning
One spud leg section component 91, the support post 41 are pressed against the coaming plate 2 of 91 left and right sides of the first spud leg section component, prevent respectively
The first spud leg section component 91 after being overturn in assembling process shakes, and improves assembling operation safety.
Preferably, as shown in figure 8, further including drawing ground line-transect 8 on assembling place between the step B and step C, that is, exist
Horizontally-guided plate position line 81 is drawn on assembling place in advance, the horizontally-guided plate position line 81 is the upper of the spud leg section 93
Line between the central projection and central projection of all pin holes 31 of lower two pieces of guide plates 3；Then first is drawn vertically to lead
To plate position line 82, the first vertically-guided plate position line 82 is all pins of the guide plate 3 in the left side of the spud leg section 93
Line between the central projection and central projection in hole 31；The second vertically-guided plate position line 83 is finally drawn, described second is vertical
Guide plate position line 83 is between the central projection and central projection of all pin holes 31 of the guide plate 3 on the right side of the spud leg section 93
Line.
Preferably, in the step C further include positioning to the moulding bed 4：
First, the first vertically-guided plate position line 82 is fixed in the left and right sides of the moulding bed pedestal 42 of the moulding bed 4
And second between vertically-guided plate position line 83, and the central axes of the moulding bed pedestal 42 and the horizontally-guided plate position line
81 overlap；
Then, one piece of guide plate 3 is placed and fixes between two retention bars 43 on the moulding bed 4,
It is required that pin hole 31 and horizontally-guided plate position line 81 alignment of the guide plate 3.
Described ground line-transect 8 is in an assembling process positioning the position of each guide plate 3, to improve assembling essence
Degree.Before assembling, the first vertically-guided plate position line 82 and are fixed in the left and right sides of the moulding bed pedestal 42 of the moulding bed 4
Between two vertically-guided plate position lines 83, and the central axes of the moulding bed pedestal 42 and 81 weight of horizontally-guided plate position line
It closes；When assembling, since moulding bed pedestal 42 is network, the ground line-transect 8 being disposed below can be seen from moulding bed pedestal 4, from
And when being placed between two retention bars 43 on the moulding bed 4 in step C and fixing one piece of guide plate 3, institute
It states the pin hole 31 of guide plate 3 and the horizontally-guided plate position line 81 immediately below it is aligned, greatly increase guide plate 3
Positioning accuracy.And when on the first spud leg section component 91 to moulding bed 4 after hanging overturning, the first spud leg section component 91
The angle of chamfer in left side and the first vertically-guided plate position line 82 alignment, the angle of chamfer on the right side of the first spud leg section component 91 and
Second vertically-guided plate position line 83 be aligned, to ensure the first spud leg section component 91 bottom angle of chamfer and moulding bed 4
On guide plate 3 be aligned, improve packaging efficiency and assembly precision.
Preferably, as shown in figure 9, the step D includes the following steps：
The first Karma 51 is installed at the top of step D1, the second spud leg section component 92 in step C, that is, is equipped with multiple
First Karma 51 is symmetrically installed on the outside of two blocks of coaming plates 2 at the top of the second spud leg section component 92, and described
Guide plate positioning bevelled edge of one Karma 51 close to the top of platform partition board 1 is arranged along 12；
Step D2, as shown in Figure 10, in the inside of first Karma 51 setting assembly locating groove 511, the assembly
The guide plate at the bottom surface of locating groove 511 and the top of the platform partition board 1 positions bevelled edge along 12 in same level, relatively
Two the first Karmas 51 assembly locating groove 511 between distance and the guide plate 3 it is of same size；
One piece of guide plate 3 is inserted into the assembly locating groove at the top of the second spud leg section component 92 by step D3
511, and be aligned with the guide plate 3 of the bottom of the second spud leg section component 92, it is desirable that two pieces up and down of the second spud leg section component 92
The pin hole 31 of the guide plate 3 corresponds；Then the guide plate positioning beveling at the top of the guide plate 3 and platform partition board 1
It welds at edge 12.
The high-precision offshore platform spud leg assemble method passes through in the first card of the top of two spud leg section components 92 installation
The mode of horse 51 welds the guide plate 3 at the top of two spud leg section components 92, greatly improves assembly precision, effectively prevent
Guide plate 3 described in assembling process is displaced.The guide plate 3 is inserted into the top of the second spud leg section component 92 when assembling
Assembly locating groove 511, can be only moved forward and backward to limit the guide plate 3, constrain the activity of the guide plate 3.It is logical
The guide plate 3 being moved forward and backward on assembly locating groove 511 is crossed, so that the guiding of itself and the bottom of the second spud leg section component 92
Plate 3 is aligned, and the pin hole 31 of upper and lower two pieces of guide plates 3 corresponds, and first Karma 51, which is arranged, makes the positioning of guide plate 3
It is highly efficient and accurate with welding.
Preferably, as shown in figure 9, the step D is further comprising the steps of：
Step D4 installs the second Karma 52, i.e., to completing the left and right sides of the second spud leg section component 92 of the step D3
The outside of two blocks of coaming plates 2 of the bottom of the second spud leg section component 92, and institute are symmetrically installed on equipped with multiple second Karmas 52
The second Karma 52 is stated close to the guide plate positioning bevelled edge of the left and right sides of platform partition board 1 along 12 settings；
Step D5, as shown in Figure 10, in the inside of second Karma 52, setting L-type plummer 521, then passes through described
L-type plummer 521 places the guide plate 3 in the left and right sides of the second spud leg section component 92, it is desirable that the L-type plummer 521
The guide plate 3 and the corresponding guide plate positioning bevelled edge that can make placement are close to along 12, and the guiding of placement
The central axes of plate 3 and the corresponding guide plate positioning bevelled edge are overlapped along 12 midpoint；
Step D6, as shown in Figure 10, to completing the inside installation of the second spud leg section component 92 of the step D5 multiple the
One end of three Karmas 53, the third Karma 53 is equipped with limit scarf 531, and the third Karma 53 is installed on the second spud leg section
The inside of two blocks of coaming plates 2 of the bottom of component 92, and the limit scarf 531 of third Karma 53 and the second spud leg section component 92
The guide plate 3 of the left and right sides be close to；
Step D7 is tightly attached to the left and right sides of the guide plate 3 and platform partition board 1 at left and right sides of the second spud leg section component 92
Guide plate positioning bevelled edge is welded along 12, and requires the pin hole of the guide plate 3 of 92 left and right sides of the second spud leg section component
31 correspond, to be assembled into the spud leg section 93.
The left and right sides of the second spud leg section component 92 to completing the step D3 is installed by the second Karma 52, second card
Horse 52 is equipped with L-type plummer 521, and the L-type plummer 521 is for carrying guide plate 3.Before assembling, pass through second Karma
The 52 guide plate positioning bevelled edge in 92 left and right sides of the second spud leg section component places the guide plate 3 along 12.Also at second
Multiple third Karmas 53 are installed in the inside of leg section component 92, and one end of the third Karma 53 is equipped with limit scarf 531, in institute
It states under the limit scarf 531 of third Karma 53 and 521 collective effect of L-type plummer of the second Karma 52, realizes to guide plate 3
Positioning and fixation, so that the guide plate 3 and corresponding guide plate positioning bevelled edge is close to along 12, and the guide plate 3
Central axes and the corresponding guide plate positioning bevelled edge are overlapped along 12 midpoint, effectively prevent guide plate described in assembling process
3 are displaced, and greatly improve assembly precision and packaging efficiency.
Preferably, as shown in figure 11, the step E includes the following steps：
Step E1, the spud leg section 93 welding enclosure support cross 6 assembled to step D, the enclosure support cross
Four end feets of frame 6 are respectively welded at the inside of corresponding coaming plate 2；
Step E2 supports cross 7, the guide plate support to the spud leg section 93 welding guide plate for completing step E1
Four end feets of cross 7 are respectively welded at the inside of corresponding guide plate 3；
Step E3, to welding lifting lug on four coaming plates 2 of the spud leg section 93 for completing the step E2；
Step E4 carries out overturning up to wherein the one of the spud leg section 93 by lifting lug to the spud leg section 93 of step E3
Until the coaming plate 2 of block is horizontal；
Multiple spud leg sections 93 for completing the step E4 are hung by lifting lug and carry out closing up group on moulding bed 4 by step E5
Dress up spud leg.
The step E first installs 6 He of enclosure support cross additional before being overturn to the spud leg section 93 in the spud leg section 93
Guide plate supports cross 7, enhances the intensity of four coaming plates 2 and four guide plates 3 of the spud leg section 93, to prevent from overturning
Occur cracking or breaking with 93 stress of the spud leg section concentration or unbalance stress in the process is closed up.In the spud leg section 93
Lifting lug is welded on four coaming plates 2, in order to complete subsequent overturning and close up process.
Preferably, a kind of spud leg being assembled into using the high-precision offshore platform spud leg assemble method.Using described
The spud leg of high-precision offshore platform spud leg assemble method assembling, by platform partition board 1, coaming plate 2 and 3 assembling combination of guide plate
At the platform partition board 1 plays the role of a support connection, in order to assemble spud leg；Guide plate 3 with pin hole 31 is set to
In four angles of chamfer of spud leg, to avoid stress concentration in spud leg lifting process, stress is more uniformly distributed, and spud leg lifting can
By accurate.The cross section of the spud leg is octagon, and compared with existing cylindrical leg, convenient for assembly, space availability ratio is more
It is high.
The high-precision offshore platform spud leg assemble method of the present embodiment has the advantages that：1. by octagon column
Bolt-type spud leg be divided into multistage from bottom to top, carry out being assembled into the spud leg section 93 independently of each other, finally by multiple stakes
Leg section 93 closes up, and improves construction environment, shortens construction period, improves producing efficiency；2. columnar suitable for octagon
The assembling of bolt-type spud leg, without making spud leg locating template, assembly cost is lower, and assembling is more convenient；3. needing reality
Now to the accurate positionin of the guide plate 3 on moulding bed 4, you can realize that the accurate positionin to entire spud leg section 93 assembles, both kept
High assembly precision, and positioning and assembling difficulty are reduced, packaging efficiency is greatly improved, assembling input cost is reduced.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of high-precision offshore platform spud leg assemble method, main body is the columnar bolt-type spud leg of octagon, and spud leg is under
It is divided into multistage spud leg section upwards to be assembled, which is characterized in that include the following steps：
Step A manufactures spud leg section part, and the spud leg section part includes platform partition board, coaming plate and guide plate, the platform partition board
Side be octagon；The platform partition board includes that four coaming plate position level edges and four guide plates position bevelled edge edges,
Coaming plate position level edge and guide plate positioning bevelled edge edge are spaced apart in the side of the platform partition board；Manufacture is led
Include multiple pin holes to plate, the pin hole is longitudinally disposed at evenly and at intervals on the guide plate；
Coaming plate is welded on the coaming plate position level edge of platform partition board by step B, to be assembled into the first spud leg section component；
Step C manufactures moulding bed, is placed on the central axes of moulding bed and fix one piece of guide plate；Then, step B is assembled
The first spud leg section component overturn to wherein one guide plate of platform partition board positioning bevelled edge until be horizontal；
Then, the first spud leg section component after overturning is sling to the top of moulding bed；Wherein one guide plate of last platform partition board is fixed
Guide plate on position bevelled edge edge and moulding bed is aligned and welds, to be assembled into the second spud leg section component；
Step D is positioned to the second spud leg section components welding guide plate of step C to the guide plate of the remaining item of platform partition board
Bevelled edge is along welding guide plate, to be assembled into spud leg section, in the spud leg section up and down two pieces of guide plates in same vertical
It is mutually parallel on line and with ground, and the two pieces of guide plates in left and right are mutually perpendicular in the same horizontal line and with ground；
Multiple spud leg sections are hung and on moulding bed close up being assembled into spud leg by step E.
2. high-precision offshore platform spud leg assemble method according to claim 1, it is characterised in that：Further include that coaming plate is solid
Determine rib, the coaming plate fixing rib is longitudinally welded in the inside of coaming plate；
Accordingly, the platform partition board further includes coaming plate installation groove, and the coaming plate installation groove is set to coaming plate position level
Edge.
3. high-precision offshore platform spud leg assemble method according to claim 2, which is characterized in that the step B packets
Include it is following step by step：
Step B1, one block of coaming plate is horizontally-arranged；
Several pieces of platform partition boards are erected on coaming plate by step B2, and wherein one coaming plate position level of platform partition board
Edge and coaming plate alignment, while the coaming plate fixing rib on coaming plate is inserted into coaming plate installation groove；Then, coaming plate fixing rib is welded
In coaming plate installation groove, it is fixed on the coaming plate with making the platform divider upright；
Step B3, the coaming plate position level edge of remaining the welding coaming plate of the past platform partition board, and the coaming plate enclose
Plate fixing rib is welded in corresponding coaming plate installation groove, to be assembled into the first spud leg section component.
4. high-precision offshore platform spud leg assemble method according to claim 1, it is characterised in that：The step C systems
The moulding bed made includes that moulding bed pedestal, a plurality of support post and two retention bars, the support post are symmetrically welded in moulding bed
The left and right sides of pedestal, two retention bars are symmetrically welded in the middle part of moulding bed pedestal；
The support post must take root；The support post have stretching structure, the support post it is height-adjustable.
5. high-precision offshore platform spud leg assemble method according to claim 4, it is characterised in that：The step B and
Further include drawing ground line-transect on assembling place between step C, i.e., draws horizontally-guided plate position line, institute in advance on assembling place
State the central projection of all pin holes of two pieces of guide plates and the center up and down that horizontally-guided plate position line is the spud leg section
Line between projection；
Then the first vertically-guided plate position line is drawn, the first vertically-guided plate position line is the left side of the spud leg section
Line between the central projection and central projection of all pin holes of guide plate；
The second vertically-guided plate position line is finally drawn, the second vertically-guided plate position line is the right side of the spud leg section
Line between the central projection and central projection of all pin holes of guide plate.
6. high-precision offshore platform spud leg assemble method according to claim 5, which is characterized in that in the step C
It further include the positioning to the moulding bed：
First, the first vertically-guided plate position line and second is fixed at left and right sides of the moulding bed pedestal of the moulding bed vertically
Between guide plate position line, and the central axes of the moulding bed pedestal and the horizontally-guided plate position line overlap；
Then, it is placed between two retention bars on the moulding bed and fixes one piece of guide plate, it is desirable that is described
The pin hole and horizontally-guided plate position line of guide plate are aligned.
7. high-precision offshore platform spud leg assemble method according to claim 1, which is characterized in that the step D packets
Include following steps：
The first Karma is installed at the top of step D1, the second spud leg section component in step C, that is, is equipped with multiple described first
Karma is symmetrically installed on the outside of two blocks of coaming plates at the top of the second spud leg section component, and first Karma is close to platform
The guide plate positioning bevelled edge at the top of partition board is along setting；
Step D2, in the inside of first Karma setting assembly locating groove, the assembly bottom surface of locating groove and described
The guide plate positioning bevelled edge at the top of platform partition board is along in same level, the assembly positioning card of opposite two the first Karmas
Inter-alveolar distance and the guide plate it is of same size；
One piece of guide plate, is inserted into the assembly locating groove at the top of the second spud leg section component by step D3, and with
The guide plate of the bottom of second spud leg section component is aligned, it is desirable that the pin hole of two pieces of guide plates up and down of the second spud leg section component
It corresponds；Then the guide plate positioning bevelled edge at the top of the guide plate and platform partition board is along welding.
8. high-precision offshore platform spud leg assemble method according to claim 7, which is characterized in that the step D is also
Include the following steps：
Step D4 installs the second Karma to completing the left and right sides of the second spud leg section component of the step D3, that is, is equipped with multiple
Second Karma is symmetrically installed on the outside of two blocks of coaming plates of the bottom of the second spud leg section component, and second Karma is close
The guide plate positioning bevelled edge of the left and right sides of platform partition board is along setting；
L-type plummer is arranged in the inside of second Karma, then by the L-type plummer in the second spud leg in step D5
Place the guide plate in the left and right sides for saving component, it is desirable that the L-type plummer can make the guide plate of placement and corresponding
The guide plate positioning bevelled edge is along the central axes for the guide plate be close to, and placed and the corresponding guide plate positioning
The midpoint on bevelled edge edge overlaps；
Step D6 installs multiple third Karmas, the third card to completing the inside of the second spud leg section component of the step D5
One end of horse is equipped with limit scarf, and the third Karma is installed on the interior of two blocks of coaming plates of the bottom of the second spud leg section component
Side, and the guide plate of the left and right sides of the limit scarf of third Karma and the second spud leg section component is close to；
Step D7, the guide plate for being tightly attached to the left and right sides of the guide plate and platform partition board at left and right sides of the second spud leg section component are fixed
Position bevelled edge edge is welded, and the pin hole of the guide plate at left and right sides of the second spud leg section component is required to correspond, to
It is assembled into the spud leg section.
9. high-precision offshore platform spud leg assemble method according to claim 1, which is characterized in that the step E packets
Include following steps：
Step E1, the spud leg section welding enclosure support cross assembled to step D, four of the enclosure support cross
End feet is respectively welded at the inside of corresponding coaming plate；
Step E2 supports cross, the guide plate to support cross to the spud leg section welding guide plate for completing step E1
Four end feets be respectively welded at the inside of corresponding guide plate；
Step E3, to welding lifting lug on four coaming plates of the spud leg section for completing the step E2；
Step E4 carries out the spud leg section of step E3 by lifting lug to overturn one of coaming plate until the spud leg section
Until being horizontal；
Multiple spud leg sections for completing the step E4 are hung by lifting lug and carry out closing up assembling pile on moulding bed by step E5
Leg.
10. the spud leg that a kind of high-precision offshore platform spud leg assemble method using described in claim 2 is assembled into.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024317.2A CN106812126B (en) | 2017-01-13 | 2017-01-13 | A kind of high-precision offshore platform spud leg assemble method and its spud leg being assembled into |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024317.2A CN106812126B (en) | 2017-01-13 | 2017-01-13 | A kind of high-precision offshore platform spud leg assemble method and its spud leg being assembled into |
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| Publication Number | Publication Date |
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| CN106812126A CN106812126A (en) | 2017-06-09 |
| CN106812126B true CN106812126B (en) | 2018-10-30 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2383119A1 (en) * | 1977-03-10 | 1978-10-06 | Metalliques Entrepr Cie Fse | Assembly for installation of offshore oil drilling rig - has screw jacks with locking nuts for positioning and securing piles relative to platform |
| CN102717248A (en) * | 2012-07-05 | 2012-10-10 | 南通中远船务工程有限公司 | Design method for section closure accuracy of octagonal pile leg |
| CN102728980B (en) * | 2012-07-05 | 2014-12-10 | 南通中远船务工程有限公司 | Method for limiting and positioning octagonal spud leg in folding process |
| CN103624488B (en) * | 2013-11-15 | 2016-02-10 | 南通润邦重机有限公司 | A kind of self-lifting offshore wind power job platform spud leg manufacturing process |
| CN104874931A (en) * | 2015-04-21 | 2015-09-02 | 南通蓝岛海洋工程有限公司 | Drilling platform pile leg manufacturing technology |
| CN104878733B (en) * | 2015-04-21 | 2016-08-24 | 南通蓝岛海洋工程有限公司 | A kind of drilling platform leg segment folding technique |
| CN104820761B (en) * | 2015-05-22 | 2017-11-17 | 南通中远船务工程有限公司 | A kind of octagon latch spud leg Anti-bending structure design method |
| KR101576504B1 (en) * | 2015-10-26 | 2015-12-21 | 에스앤에스이앤지 주식회사 | Barge having jackup device |
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Application publication date: 20170609 Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Contract record no.: X2020980005507 Denomination of invention: A high precision assembly method of offshore platform leg and its assembled legs Granted publication date: 20181030 License type: Exclusive License Record date: 20200828 |
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Denomination of invention: A high precision assembly method of offshore platform leg and its assembled legs Effective date of registration: 20200904 Granted publication date: 20181030 Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd. Pledgor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Registration number: Y2020980005706 |
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Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Contract record no.: X2020980005507 Date of cancellation: 20240320 |
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