CN106812126A - 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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- CN106812126A CN106812126A CN201710024317.2A CN201710024317A CN106812126A CN 106812126 A CN106812126 A CN 106812126A CN 201710024317 A CN201710024317 A CN 201710024317A CN 106812126 A CN106812126 A CN 106812126A
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- spud leg
- plate
- guide plate
- leg section
- coaming
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000000465 moulding Methods 0.000 claims abstract description 72
- 238000003466 welding Methods 0.000 claims description 19
- 230000014759 maintenance of location Effects 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 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 bolt-type spud leg of octagon column, and spud leg is divided into multistage spud leg section and is assembled, comprises the following steps from bottom to top：Step A, manufactures spud leg section part, and be welded in coaming plate on the coaming plate position level edge of platform dividing plate by step B, so as to be assembled into the first spud leg section component；Step C, manufactures moulding bed, and one piece of guide plate is placed and fixed on the axis of moulding bed.The bolt-type spud leg of octagon column is divided into multistage from bottom to top, it is separate to carry out being assembled into spud leg section, finally multiple spud leg sections are closed up, construction environment is improved, construction period is shortened, improve producing efficiency.Being accurately positioned to the guide plate on moulding bed only need to be realized, you can realization is accurately positioned assembling to whole spud leg section, has both kept assembly precision high, positioning and assembling difficulty are reduced again, 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 group
The spud leg dressed up.
Background technology
Spud leg is the important component of offshore work platform, for support upper hull weight and bear wind, wave,
The environmental loads such as stream, its structure type is mainly cylindrical leg and truss framed leg, and the lifting system of spud leg mainly has hydraulic pressure
Bolt-type and pinion and-rack.At present, mostly make cylindrical leg, the assemble method of cylindrical leg it is complex, it is necessary to
The substantial amounts of template of pre-production is positioned and spliced with to cylindrical leg component, to assembling essence in complicated assembling process
The control of degree is more difficult, and then has a strong impact on the assembling quality and packaging efficiency of spud leg.
The content of the invention
It is an object of the invention to propose that one kind need not make spud leg locating template, assembly precision controllability is high, and assembling is more
For convenience of efficiently high-precision offshore platform spud leg assemble method.
It is an object of the invention to propose that one kind need not make spud leg locating template, assembly precision controllability is high, and assembling is more
For convenience of efficiently high-precision spud leg.
It is that, up to this purpose, the present invention uses following technical scheme：
A kind of high-precision offshore platform spud leg assemble method, main body for octagon column bolt-type spud leg, spud leg by
It is divided into multistage spud leg section upwards down to be assembled, comprises the following steps：
Step A, manufactures spud leg section part, and the spud leg section part includes platform dividing plate, coaming plate and guide plate, the platform
The side of dividing plate is octagon；The platform dividing plate includes four coaming plate position level edges and four guide plate positioning bevelled edges
Edge, the coaming plate position level edge and guide plate positioning bevelled edge edge are spaced apart in the side of the platform dividing plate；Manufacture
Guide plate include multiple pin-and-holes, the pin-and-hole is longitudinally disposed on the guide plate evenly and at intervals；
Step B, coaming plate is welded on the coaming plate position level edge of platform dividing plate, so as to be assembled into the first spud leg section group
Part；
Step C, manufactures moulding bed, and one piece of guide plate is placed and fixed on the axis of moulding bed；Then, by step B
First spud leg section component of assembling overturns to the guide plate positioning bevelled edge edge of wherein of platform dividing plate and is horizontal
Untill；Then, the first spud leg section component after upset is sling to the top of moulding bed；The guiding of wherein of last platform dividing plate
The guide plate that plate is positioned on bevelled edge edge and moulding bed aligns and welds, so as 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, i.e., to platform dividing plate remaining bar guide plate
, along welding guide plate, so as to be assembled into spud leg section, upper and lower two pieces of guide plates are same in the spud leg section for positioning bevelled edge
It is parallel to each other 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；
Step E, multiple spud leg sections are hung on moulding bed close up being assembled into spud leg.
Preferably, also including coaming plate fixing rib, the coaming plate fixing rib is longitudinally welded in the inner side of coaming plate；
Accordingly, the platform dividing plate also includes that coaming plate installs groove, and the coaming plate installs groove and is arranged at 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 on the moulding bed；
Step B2, some pieces of platform dividing plates are erected on coaming plate, and the coaming plate positioning of wherein of platform dividing plate
Horizontal edge and coaming plate align, while the coaming plate fixing rib insertion coaming plate on coaming plate is installed into groove；Then, by coaming plate fixing rib
It is welded in coaming plate and groove is installed, is fixed on the coaming plate with making the platform divider upright；
Step B3, toward the coaming plate position level edge of remaining the welding coaming plate of the platform dividing plate, and the coaming plate
Coaming plate fixing rib be welded in corresponding coaming plate and install on groove, so as to be assembled into the first spud leg section component.
Preferably, the moulding bed of the step C manufactures includes moulding bed base, a plurality of support post and two retention bars, institute
The left and right sides that support post is symmetrically welded in moulding bed base is stated, two retention bars are symmetrically welded in moulding bed base
Middle part；
The support post must take root；The support post has stretching structure, the height adjustable of the support post
Section.
Preferably, it is additionally included between the step B and step C and ground line-transect is drawn on assembling place, i.e., on assembling place
Horizontally-guided plate position line is drawn in advance, the horizontally-guided plate position line is two pieces of guide plates up and down of the spud leg section
All pin-and-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-and-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-and-holes of the guide plate of side.
Preferably, the positioning to the moulding bed is also included in the step C：
First, the first vertically-guided plate position line and second are fixed in the left and right sides of the moulding bed base of the moulding bed
Between vertically-guided plate position line, and the axis of the moulding bed base and the horizontally-guided plate position line overlap；
Then, placed between two retention bars on the moulding bed and fix one piece of guide plate, it is desirable to
Pin-and-hole and horizontally-guided plate the position line alignment of the guide plate.
Preferably, the step D is comprised the following steps：
The first Karma is installed at step D1, the top of the second spud leg section component in step C, that is, be provided with described in multiple
First Karma is symmetrically installed on two pieces of outsides of coaming plate at the top of the second spud leg section component, and first Karma is close to
The guide plate positioning bevelled edge at the top of platform dividing plate is along setting；
Step D2, first Karma inner side set assembling locating groove, the bottom surface of the assembling locating groove and
The guide plate positioning bevelled edge at the top of the platform dividing plate along in same level, determine by two relative assemblings of the first Karma
Position card inter-alveolar distance is identical with the width of the guide plate；
Step D3, one piece of guide plate is inserted the assembling locating groove at the top of the second spud leg section component, and
And be aligned with the guide plate of the bottom of the second spud leg section component, it is desirable to two pieces of guide plates up and down of the second spud leg section component
Pin-and-hole is corresponded；Then the guide plate positioning bevelled edge at the top of the guide plate and platform dividing plate is along welding.
Preferably, the step D is further comprising the steps of：
Step D4, the second Karma is installed to completing the left and right sides of the second spud leg section component of the step D3, that is, be provided with
Multiple second Karmas are symmetrically installed on two pieces of outsides of coaming plate of the bottom of the second spud leg section component, and second Karma
Guide plate positioning bevelled edge near the left and right sides of platform dividing plate is along setting；
Step D5, sets L-type plummer, then by the L-type plummer second in the inner side of second Karma
The left and right sides of spud leg section component place the guide plate, it is desirable to which the L-type plummer can make the guide plate of placement and right
The guide plate positioning bevelled edge answered along being close to, and the guide plate placed axis and the corresponding guide plate
The midpoint on positioning bevelled edge edge overlaps；
Step D6, multiple 3rd Karmas are installed to completing the inner side of the second spud leg section component of the step D5, and described the
One end of three Karmas is provided with spacing scarf, and the 3rd Karma is installed on two blocks of coaming plates of the bottom of the second spud leg section component
Inner side, and the guide plate of the left and right sides of the spacing scarf of the 3rd Karma and the second spud leg section component is close to；
Step D7, is close to the guiding of the guide plate of the second spud leg section component left and right sides and the left and right sides of platform dividing plate
Plate positioning bevelled edge edge is welded, and requires that the pin-and-hole of the guide plate of the second spud leg section component left and right sides is corresponded,
So as to be assembled into the spud leg section.
Preferably, the step E is comprised the following steps：
Step E1, the spud leg section assembled to step D welds enclosure support cross, the enclosure support cross
Four end pin are respectively welded at the inner side of corresponding coaming plate；
Step E2, to the spud leg section welding guide plate support cross for completing step E1, the guide plate support ten
Four end pin of cabinet frame are respectively welded at the inner side of corresponding guide plate；
Step E3, to welding hanger on four coaming plates of the spud leg section for completing the step E2；
Step E4, by hanger to the spud leg section of step E3 carry out upset until the spud leg section it is one of
Untill coaming plate is horizontal；
Step E5, the spud leg section that multiple completes the step E4 is hung by hanger on moulding bed close up being assembled into
Spud leg.
Preferably, a kind of spud leg assembled using the high-precision offshore platform spud leg assemble method.
From bottom to top be divided into the bolt-type spud leg of octagon column by the high-precision offshore platform spud leg assemble method
Multistage, it is separate to carry out being assembled into the spud leg section, finally multiple spud leg sections are closed up, construction environment is improved, contract
Short construction period, improves producing efficiency.And, it is different from existing cylindrical leg assemble method, it is described high-precision
Offshore platform spud leg assemble method is applied to the assembling of the bolt-type spud leg of octagon column, without making spud leg locating template,
Assembly cost is lower, assembles more convenient.The high-precision offshore platform spud leg assemble method need to be only realized in tire
Guide plate on frame is accurately positioned, you can realization is accurately positioned assembling to whole spud leg section, both kept assembly precision high, and
Positioning and assembling difficulty are reduced, packaging efficiency is greatly improved, assembling input cost is reduced.
Brief description of the drawings
The present invention will be further described for accompanying drawing, but content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is the spud leg section structural representation of one of embodiment of the invention；
Fig. 2 is the spud leg assembling flow path schematic diagram of one of embodiment of the invention；
Fig. 3 is the platform diaphragm structure schematic diagram of one of embodiment of the invention；
Fig. 4 is the coaming plate structural representation of one of embodiment of the invention；
Fig. 5 is the first spud leg section assembling components process schematic of one of embodiment of the invention；
Fig. 6 is the second spud leg section assembling components process schematic of one of embodiment of the invention；
Fig. 7 is the moulding bed overlooking the structure diagram of one of embodiment of the invention；
Fig. 8 is the ground line-transect structural representation of one of embodiment of the invention；
Fig. 9 is the spud leg section assembling process schematic diagram of one of embodiment of the invention；
Figure 10 is the Karma structural representation of one of embodiment of the invention；
Figure 11 is the support cross structure schematic diagram of one of embodiment of the invention.
Wherein：Spud leg section 93；Platform dividing plate 1；Coaming plate 2；Guide plate 3；Coaming plate position level edge 11；Guide plate locating latch
Trimming is along 12；Pin-and-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 base 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；Assembling locating groove 511；Second Karma 52；L-type
Plummer 521；3rd Karma 53；Spacing scarf 531；Enclosure support cross 6；Guide plate supports cross 7.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
The high-precision offshore platform spud leg assemble method of the present embodiment, as shown in figure 1, main body inserting for octagon column
Pin spud leg, spud leg is divided into multistage spud leg section 93 and is assembled from bottom to top, as shown in Fig. 2 comprising the following steps：
Step A, manufactures spud leg section part, as shown in figure 1, the spud leg section part includes platform dividing plate 1, coaming plate 2 and leads
To plate 3, the side of the platform dividing plate 1 is octagon；The platform dividing plate 1 includes four coaming plate position level edges 11 and four
Individual guide plate positioning bevelled edge is along 12, as shown in figure 3, the coaming plate position level edge 11 and guide plate position bevelled edge along 12
It is spaced apart in the side of the platform dividing plate 1；The guide plate 3 of manufacture includes multiple pin-and-holes 31, and the pin-and-hole 31 is spaced uniformly
Be 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 dividing plate 1, so as to assemble
Into the first spud leg section component 91；
Step C, as shown in fig. 6, manufacturing moulding bed 4, places and fixes one piece of guide plate 3 on the axis of moulding bed 4；
Then, the guide plate that the first spud leg section component 91 that step B is assembled is overturn to wherein of platform dividing plate 1 is positioned into bevelled edge
Untill being horizontal along 12；Then, the first spud leg section component 91 after upset is sling to the top of moulding bed 4；Last platform
The guide plate positioning bevelled edge of wherein of dividing plate 1 aligns and welds along the guide plate 3 on 12 and moulding bed 4, so as to be assembled into
Second spud leg section component 92；
Step D, guide plate 3 is welded to the second spud leg section component 92 of step C, i.e., led to the remaining bar of platform dividing plate 1
To plate positioning bevelled edge along 12 welding guide plates 3, so as to be assembled into spud leg section 93, led described in upper and lower two pieces in the spud leg section 93
Be parallel to each other 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；
Step E, multiple spud leg sections 93 are hung on moulding bed 4 close up being assembled into spud leg.
From bottom to top be divided into the bolt-type spud leg of octagon column by the high-precision offshore platform spud leg assemble method
Multistage, it is separate to carry out being assembled into the spud leg section 93, finally multiple spud leg sections 93 are closed up, spud leg section assembling process
By the way of sleeping making, spud leg folding process improves construction environment by the way of vertical making, and shortens construction period, improves
Producing efficiency.And, the high-precision offshore platform spud leg assembling side different from existing cylindrical leg assemble method
Method is applied to the assembling of the bolt-type spud leg of octagon column, 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 bolt-type spud leg of the octagon column includes platform dividing plate 1, coaming plate 2 and guide plate 3, described
The side of platform dividing plate 1 is octagon, and four coaming plate position level edges 11 and four guiding are provided with the side of platform dividing plate 1
Plate positions bevelled edge along 12, a guide plate is set between two coaming plate position level edges 11 and positions bevelled edge along 12, i.e., four
Individual coaming plate position level edge 11 is relative two-by-two, and four guide plate positioning bevelled edges are relative two-by-two along 12.Multiple platforms can be provided with
The coaming plate position level edge 11 of dividing plate 1, the inner side of the coaming plate 2 and multiple platform dividing plates 1 is connected, the guide plate 3 it is interior
Along 12 connections, the platform dividing plate 1 plays one and supports to be coupled to be made the guide plate positioning bevelled edge of side and multiple platform dividing plates 1
With in order to assemble spud leg section 93.As can be seen here, the high-precision offshore platform spud leg assemble method is to control four to enclose
Plate 2 and four welding precisions of guide plate 3, control emphatically four assembling position precision of guide plate 3.
Four coaming plates 2 are first welded in the corresponding of platform dividing plate 1 by the high-precision offshore platform spud leg assemble method
On coaming plate position level edge 11, so as to be assembled into the first spud leg section component 91.The first spud leg section component 91 is one four
Individual angle of chamfer is the octagon cylindrical shell of hollow out, and the step C and step D is four to the first spud leg section component 91
Angle of chamfer installs guide plate 3 additional, so as to form the spud leg section 93.
It is to improve four assembling position precision of guide plate 3, the step C manufactures the moulding bed 4, and by one piece of guide plate
3 are fixed on the axis of moulding bed 4；Then the first spud leg section component 91 is overturn to a pair of the angles of chamfer of its own and is in
Untill horizontal level, preferably flip angle is 45 °, so that the first spud leg section component 91 after overturning is upper and lower two angles of chamfer
(i.e. platform dividing plate about 1 the guide plate of two position bevelled edge along 12) is horizontal, the angle of chamfer of left and right two (i.e. platform
The guide plate that dividing plate is 1 or so two positions bevelled edge along 12) in vertical position, in order to the guide plate 3 is arranged on into oblique
In corner cut；Then again by upset after the first spud leg section component 91 hang to moulding bed 4, and the first spud leg section component 91 bottom
Guide plate 3 in the angle of chamfer and moulding bed 4 in portion aligns and welds, so as to be assembled into the second spud leg section component 92.Finally, then toward institute
State remaining three angles of chamfer of the second spud leg section component 92 and weld the guide plate 3 using technique is symmetrically welded, so as 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
It is determined that position, you can realization is accurately positioned assembling to whole spud leg section 93, has both kept assembly precision high, positioning and group are reduced again
Dress difficulty, greatly improves packaging efficiency, reduces assembling input cost.
Preferably, as shown in figure 4, also including coaming plate fixing rib 21, the coaming plate fixing rib 21 is longitudinally welded in coaming plate 2
Inner side；Accordingly, as shown in figure 3, the platform dividing plate 1 also includes that coaming plate installs groove 13, the coaming plate installs groove 13
It is arranged at 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
Inner side, the coaming plate fixing rib 21 play a part of strengthen the intensity of coaming plate 2.Accordingly, multiple coaming plate can be set groove is installed
13, the coaming plate fixing rib 21 is connected in coaming plate and installs groove 13, so as to increase the contact surface between coaming plate 2 and platform dividing plate 1
Product, is easy to welding, coaming plate 2 is more securely mounted at platform dividing plate 1, it is to avoid at one, stress is more for the stress concentration of coaming plate 2
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 on the moulding bed 4；
Step B2, some pieces of platform dividing plates 1 are erected on coaming plate 2, and the coaming plate of wherein of platform dividing plate 1 is determined
Position horizontal edge 11 and coaming plate 2 align, while the coaming plate fixing rib 21 on coaming plate 2 is inserted into coaming plate installs groove 13；Then, will
Coaming plate fixing rib 21 is welded in coaming plate and installs groove 13, the platform dividing plate 1 is fitted vertically on the coaming plate 2；
Step B3, coaming plate 2 is welded toward the coaming plate position level edge 11 of remaining of the platform dividing plate 1, and described
The coaming plate fixing rib 21 of coaming plate 2 is welded in corresponding coaming plate and installs on groove 13, so as to be assembled into the first spud leg section component 91.
It is to be welded in corresponding coaming plate by coaming plate fixing rib 21 groove 13 is installed between the coaming plate 2 and platform dividing plate 1
On come complete assembling：First platform dividing plate 1 is welded on corresponding coaming plate installation groove 13 by coaming plate fixing rib 21 to erect
It is vertical to be fixed on the coaming plate 2；Then, it is also that the side that corresponding coaming plate installs groove 13 is welded in by coaming plate fixing rib 21
Formula, toward the coaming plate position level edge 11 of remaining the welding coaming plate 2 of platform dividing plate 1, so as to be assembled into the first spud leg section component
91.This method can both realize being accurately positioned between coaming plate 2 and platform dividing plate 1 and weld, and effectively prevent from being sent out in welding process
Raw displacement, assembling is aided in without the instrument of any extra fixed coaming plate 2；Coaming plate 2 can be made more by coaming plate fixing rib 21 again
It is securely mounted at platform dividing plate 1, it is to avoid at one, stress is more uniformly distributed the stress concentration of the coaming plate 2.
Preferably, as shown in Figure 6, Figure 7, the moulding bed 4 of the step C manufactures includes moulding bed base 42, a plurality of support post
41 and two retention bars 43, the support post 41 is symmetrically welded in the left and right sides of moulding bed base 42, and two described fixed
Position cross bar 43 is symmetrically welded in the middle part of moulding bed base 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 base 42 is used for bearing assembly, for spud leg assembling provides workbench；The moulding bed base 42 is net
Lattice structure, in order to spud leg is positioned and Real Time Observation spud leg assembling situation.The middle part of the moulding bed base 42 is symmetrical
Be provided with two retention bars 43, for being positioned to the guide plate 3 that need to be fixed on the axis 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 into two during assembling
Between the retention bar 43, so that it is guaranteed that the axis of the axis of the guide plate 3 and moulding bed 4 overlaps, and then institute is ensured
Stating the guide plate positioning bevelled edge of wherein of guide plate 3 and platform dividing plate 1 can align laminating along 12, improve welding smart
Degree.
The support post 41 is symmetrically welded in the left and right sides of moulding bed base 42, for supporting the after fixed upset
One spud leg section component 91, the support post 41 against the coaming plate 2 of the left and right sides of the first spud leg section component 91, is prevented respectively
The first spud leg section component 91 after being overturn in assembling process shakes, and improves assembling operation security.
Preferably, ground line-transect 8 is drawn on assembling place as shown in figure 8, being additionally included between the step B and step C, that is, is existed
Horizontally-guided plate position line 81 is drawn on assembling place in advance, the horizontally-guided plate position line 81 is upper for the spud leg section 93
Line between the central projection and central projection of all pin-and-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-and-holes 31 of the guide plate 3 on the right side of the spud leg section 93
Line.
Preferably, the positioning to the moulding bed 4 is also included in the step C：
First, the first vertically-guided plate position line 82 is fixed in the left and right sides of the moulding bed base 42 of the moulding bed 4
And second between vertically-guided plate position line 83, and the axis of the moulding bed base 42 and the horizontally-guided plate position line
81 overlap；
Then, placed between two retention bars 43 on the moulding bed 4 and fix one piece of guide plate 3,
It is required that the pin-and-hole 31 of the guide plate 3 and horizontally-guided plate position line 81 are aligned.
The position that described ground line-transect 8 is used in an assembling process to each guide plate 3 positions, 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 base 42 of the moulding bed 4
Between two vertically-guided plate position lines 83, and the axis of the moulding bed base 42 and the weight of horizontally-guided plate position line 81
Close；During assembling, because moulding bed base 42 is network, the ground line-transect 8 being disposed below can be seen from moulding bed base 4, from
And when being placed between two retention bars 43 in step C on the moulding bed 4 and fixing one piece of guide plate 3, institute
State the pin-and-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 precision.And when on the first spud leg section component 91 to moulding bed 4 after hanging upset, the first spud leg section component 91
The angle of chamfer in left side and the first vertically-guided plate position line 82 are alignd, the angle of chamfer on the right side of the first spud leg section component 91 and
Second vertically-guided plate position line 83 is alignd, so as to ensure the angle of chamfer and moulding bed 4 of the bottom of the first spud leg section component 91
On guide plate 3 align, improve packaging efficiency and assembly precision.
Preferably, as shown in figure 9, the step D is comprised the following steps：
The first Karma 51 is installed at step D1, the top of the second spud leg section component 92 in step C, that is, be provided with multiple
First Karma 51 is symmetrically installed on two pieces of outsides of coaming plate 2 at the top of the second spud leg section component 92, and described
Guide plate positioning bevelled edge of one Karma 51 near the top of platform dividing plate 1 is set along 12；
Step D2, as shown in Figure 10, assembling locating groove 511, the assembling is set in the inner side of first Karma 51
The guide plate positioning bevelled edge at the top of the bottom surface of locating groove 511 and the platform dividing plate 1 along 12 in same level, relatively
Two the first Karmas 51 assembling locating groove 511 between distance it is identical with the width of the guide plate 3；
Step D3, one piece of guide plate 3 is inserted the assembling locating groove at the top of the second spud leg section component 92
511, and be aligned with the guide plate 3 of the bottom of the second spud leg section component 92, it is desirable to two pieces up and down of the second spud leg section component 92
The pin-and-hole 31 of the guide plate 3 is corresponded；Then the guide plate positioning beveling at the top of the guide plate 3 and platform dividing plate 1
Weld at edge 12.
The high-precision offshore platform spud leg assemble method is blocked by installing first at the top of two spud leg section components 92
The mode of horse 51, guide plate 3 described in the welded top in two spud leg section components 92, greatly improves assembly precision, effectively prevents
Guide plate 3 described in assembling process is shifted over.The guide plate 3 inserts the top of the second spud leg section component 92 during assembling
Assembling locating groove 511, so as to limit the guide plate 3 can only move forward and backward, constrain the activity of the guide plate 3.It is logical
The guide plate 3 crossed on movable assembling locating groove 511, so that its guiding with the bottom of the second spud leg section component 92
Plate 3 is aligned, and the pin-and-hole 31 of upper and lower two pieces of guide plates 3 is corresponded, and setting first Karma 51 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
It is provided with two pieces of outsides of coaming plate 2 that multiple second Karmas 52 are symmetrically installed on the bottom of the second spud leg section component 92, and institute
Guide plate positioning bevelled edge of second Karma 52 near the left and right sides of platform dividing plate 1 is stated to be set along 12；
Step D5, as shown in Figure 10, sets L-type plummer 521, then by described in the inner side of second Karma 52
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 to the L-type plummer 521
The guide plate 3 of placement and the corresponding guide plate positioning bevelled edge can be made to be close to along 12, and the guiding placed
The axis of plate 3 and the corresponding guide plate positioning bevelled edge overlap along 12 midpoint；
Step D6, as shown in Figure 10, multiple the is installed to completing the inner side of the second spud leg section component 92 of the step D5
Three Karmas 53, one end of the 3rd Karma 53 is provided with spacing scarf 531, and the 3rd Karma 53 is installed on the second spud leg section
Two pieces of inner sides of coaming plate 2 of the bottom of component 92, and the 3rd Karma 53 the spud leg section component 92 of spacing scarf 531 and second
The guide plate 3 of the left and right sides be close to；
Step D7, is close to the guide plate 3 of the left and right sides of the second spud leg section component 92 and the left and right sides of platform dividing plate 1
Guide plate positioning bevelled edge is welded along 12, and requires the pin-and-hole of the guide plate 3 of the left and right sides of the second spud leg section component 92
31 correspond, so as to be assembled into the spud leg section 93.
The left and right sides to completing the second spud leg section component 92 of the step D3 is installed by the second Karma 52, second card
Horse 52 is provided with L-type plummer 521, and the L-type plummer 521 is used to carry guide plate 3.Before assembling, by second Karma
The 52 guide plate positioning bevelled edge in the left and right sides of the second spud leg section component 92 places the guide plate 3 along 12.Also at second
Multiple 3rd Karmas 53 are installed in the inner side of leg section component 92, and one end of the 3rd Karma 53 is provided with spacing scarf 531, in institute
State under the collective effect of L-type plummer 521 of the Karma 52 of spacing scarf 531 and second of the 3rd Karma 53, realize to guide plate 3
Positioning and fixation, guide plate 3 and the corresponding guide plate positioning bevelled edge is close to along 12, and the guide plate 3
Axis and the corresponding guide plate positioning bevelled edge overlap along 12 midpoint, effectively prevent guide plate described in assembling process
3 are shifted over, and greatly improve assembly precision and packaging efficiency.
Preferably, as shown in figure 11, the step E is comprised 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 pin of frame 6 are respectively welded at the inner side of corresponding coaming plate 2；
Step E2, to the spud leg section 93 welding guide plate support cross 7 for completing step E1, the guide plate support
Four end pin of cross 7 are respectively welded at the inner side of corresponding guide plate 3；
Step E3, to welding hanger on four coaming plates 2 of the spud leg section 93 for completing the step E2；
Step E4, upset is carried out to the spud leg section 93 of step E3 up to wherein the one of the spud leg section 93 by hanger
Untill the coaming plate 2 of block is horizontal；
Step E5, the spud leg section 93 that multiple completes the step E4 is hung by hanger to carry out closing up group on moulding bed 4
Dress up spud leg.
The step E first installs the He of enclosure support cross 6 additional before being overturn to the spud leg section 93 in the spud leg section 93
Guide plate supports cross 7, strengthens four coaming plates 2 and four intensity of guide plate 3 of the spud leg section 93, to prevent in upset
With close up during the stress of spud leg section 93 concentrate or unbalance stress and occur cracking or breaking.In the spud leg section 93
Hanger is welded on four coaming plates 2, in order to completing follow-up upset and closing up operation.
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 dividing plate 1, coaming plate 2 and the assembling combination of guide plate 3
Into the platform dividing plate 1 plays a support connection effect, in order to assemble spud leg；Guide plate 3 with pin-and-hole 31 is arranged at
In four angles of chamfer of spud leg, so as 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, compared with existing cylindrical leg, is easy to assembling, and 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, it is separate to carry out being assembled into the spud leg section 93, finally by multiple stakes
Leg section 93 closes up, and improves construction environment, shortens construction period, improves producing efficiency；2. suitable for octagon column
The assembling of bolt-type spud leg, without making spud leg locating template, assembly cost is lower, assembles more convenient；3. reality is needed
Existing being accurately positioned to the guide plate 3 on moulding bed 4, you can realization is accurately positioned assembling to whole spud leg section 93, both keeps
Assembly precision high, reduces positioning and assembling difficulty again, greatly improves packaging efficiency, reduces assembling input cost.
Know-why of the invention is described above in association with specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and can not by any way be construed to limiting the scope of the invention.Based on explanation herein, the technology of this area
Personnel associate other specific embodiments of the invention by would not require any inventive effort, these modes fall 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 bolt-type spud leg of octagon column, and spud leg is under
It is divided into multistage spud leg section upwards to be assembled, it is characterised in that comprise the following steps：
Step A, manufactures spud leg section part, and the spud leg section part includes platform dividing plate, coaming plate and guide plate, the platform dividing plate
Side be octagon；The platform dividing plate includes four coaming plate position level edges and four guide plate positioning bevelled edge edges,
The coaming plate position level edge and guide plate positioning bevelled edge edge are spaced apart in the side of the platform dividing plate；What is manufactured leads
Include multiple pin-and-holes to plate, the pin-and-hole is longitudinally disposed on the guide plate evenly and at intervals；
Step B, coaming plate is welded on the coaming plate position level edge of platform dividing plate, so as to be assembled into the first spud leg section component；
Step C, manufactures moulding bed, and one piece of guide plate is placed and fixed on the axis of moulding bed；Then, step B is assembled
The first spud leg section component overturn the guide plate positioning bevelled edge to wherein of platform dividing plate along being horizontal；
Then, the first spud leg section component after upset is sling to the top of moulding bed；The guide plate of wherein of last platform dividing plate is determined
Guide plate on position bevelled edge edge and moulding bed aligns and welds, so as 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, i.e., positions to the guide plate of the remaining bar of platform dividing plate
, along welding guide plate, so as to be assembled into spud leg section, upper and lower two pieces of guide plates are in same vertical in the spud leg section for bevelled edge
It is parallel to each other 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；
Step E, multiple spud leg sections are hung on moulding bed close up being assembled into spud leg.
2. high-precision offshore platform spud leg assemble method according to claim 1, it is characterised in that：It is also solid including coaming plate
Determine rib, the coaming plate fixing rib is longitudinally welded in the inner side of coaming plate；
Accordingly, the platform dividing plate also includes that coaming plate installs groove, and the coaming plate installs groove and is arranged at coaming plate position level
Edge.
3. high-precision offshore platform spud leg assemble method according to claim 2, it is characterised in that the step B bags
Include it is following step by step：
Step B1, one block of coaming plate is horizontally-arranged on the moulding bed；
Step B2, some pieces of platform dividing plates are erected on coaming plate, and the coaming plate position level of wherein of platform dividing plate
Edge and coaming plate align, while the coaming plate fixing rib insertion coaming plate on coaming plate is installed into groove；Then, coaming plate fixing rib is welded
Groove is installed in coaming plate, is fixed on the coaming plate with making the platform divider upright；
Step B3, encloses toward remaining the coaming plate position level edge welding coaming plate of the platform dividing plate, and the coaming plate
Plate fixing rib is welded in corresponding coaming plate and installs on groove, so as 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 moulding bed base, a plurality of support post and two retention bars, and the support post is symmetrically welded in moulding bed
The left and right sides of base, two retention bars are symmetrically welded in the middle part of moulding bed base；
The support post must take root；The support post has a stretching structure, the support post it is Height Adjustable.
5. high-precision offshore platform spud leg assemble method according to claim 1, it is characterised in that：The step B and
It is additionally included between step C and ground line-transect is drawn on assembling place, i.e., draws horizontally-guided plate position line, institute in advance on assembling place
State central projection and the center of two pieces of all pin-and-holes of the guide plate 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-and-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-and-holes of guide plate.
6. the high-precision offshore platform spud leg assemble method according to claim 4 or 5, it is characterised in that the step C
In also include to the positioning of the moulding bed：
First, the first vertically-guided plate position line and second vertical is fixed in the left and right sides of the moulding bed base of the moulding bed
Between guide plate position line, and the axis of the moulding bed base and the horizontally-guided plate position line overlap；
Then, placed between two retention bars on the moulding bed and fix one piece of guide plate, it is desirable to be described
Pin-and-hole and horizontally-guided plate the position line alignment of guide plate.
7. high-precision offshore platform spud leg assemble method according to claim 1, it is characterised in that the step D bags
Include following steps：
The first Karma is installed at step D1, the top of the second spud leg section component in step C, that is, be provided with multiple described first
Karma is symmetrically installed on two pieces of outsides of coaming plate at the top of the second spud leg section component, and first Karma near platform
The guide plate positioning bevelled edge at the top of dividing plate is along setting；
Step D2, assembling locating groove, the bottom surface of the assembling locating groove and described are set in the inner side of first Karma
The guide plate positioning bevelled edge at the top of platform dividing plate along in same level, the assembling locator card of relative two the first Karmas
Inter-alveolar distance is identical with the width of the guide plate；
Step D3, by one piece of assembling locating groove at the top of the guide plate insertion the second spud leg section component, and with
The guide plate alignment of the bottom of the second spud leg section component, it is desirable to two pieces of pin-and-holes of the guide plate up and down of the second spud leg section component
Correspond；Then the guide plate positioning bevelled edge at the top of the guide plate and platform dividing plate is along welding.
8. high-precision offshore platform spud leg assemble method according to claim 7, it is characterised in that the step D is also
Comprise the following steps：
Step D4, the second Karma is installed to completing the left and right sides of the second spud leg section component of the step D3, that is, be provided with multiple
Second Karma is symmetrically installed on two pieces of outsides of coaming plate of the bottom of the second spud leg section component, and second Karma is close to
The guide plate positioning bevelled edge of the left and right sides of platform dividing plate is along setting；
Step D5, sets L-type plummer, then by the L-type plummer in the second spud leg in the inner side of second Karma
Place the guide plate in the left and right sides for saving component, it is desirable to which the L-type plummer can make the guide plate of placement and corresponding
The guide plate positioning bevelled edge edge is close to, and the axis of the guide plate placed and the corresponding guide plate positioning
The midpoint on bevelled edge edge overlaps；
Step D6, multiple 3rd Karmas, the 3rd card are installed to completing the inner side of the second spud leg section component of the step D5
One end of horse is provided with spacing scarf, and the 3rd 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 spacing scarf of the 3rd Karma and the second spud leg section component is close to；
Step D7, the guide plate for being close to the guide plate of the second spud leg section component left and right sides and the left and right sides of platform dividing plate is determined
Position bevelled edge edge is welded, and requires that the pin-and-hole of the guide plate of the second spud leg section component left and right sides is corresponded, so that
It is assembled into the spud leg section.
9. high-precision offshore platform spud leg assemble method according to claim 1, it is characterised in that the step E bags
Include following steps：
Step E1, the spud leg section assembled to step D welds enclosure support cross, four of the enclosure support cross
End pin is respectively welded at the inner side of corresponding coaming plate；
Step E2, to the spud leg section welding guide plate support cross for completing step E1, the guide plate supports cross
Four end pin be respectively welded at the inner sides of corresponding guide plate；
Step E3, to welding hanger on four coaming plates of the spud leg section for completing the step E2；
Step E4, carries out upset to the spud leg section of step E3 until one of coaming plate of the spud leg section by hanger
Untill being horizontal；
Step E5, the spud leg section that multiple completes the step E4 is hung by hanger to carry out closing up assembling pile on moulding bed
Leg.
10. the spud leg that the high-precision offshore platform spud leg assemble method described in a kind of usage right requirement 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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| CN106812126B CN106812126B (en) | 2018-10-30 |
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| 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 |
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| CN102728980A (en) * | 2012-07-05 | 2012-10-17 | 南通中远船务工程有限公司 | Method for limiting and positioning octagonal spud leg in folding process |
| CN103624488A (en) * | 2013-11-15 | 2014-03-12 | 南通润邦重机有限公司 | Technology for manufacturing pile leg of self-elevating offshore wind power work platform |
| CN104820761A (en) * | 2015-05-22 | 2015-08-05 | 南通中远船务工程有限公司 | Method for designing anti-bending structure of octagonal safety pin pile leg |
| 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 |
| CN104878733A (en) * | 2015-04-21 | 2015-09-02 | 南通蓝岛海洋工程有限公司 | Drilling platform pile leg segmented closing technology |
| KR101576504B1 (en) * | 2015-10-26 | 2015-12-21 | 에스앤에스이앤지 주식회사 | Barge having jackup device |
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2017
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Patent Citations (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 |
| CN102728980A (en) * | 2012-07-05 | 2012-10-17 | 南通中远船务工程有限公司 | Method for limiting and positioning octagonal spud leg in folding process |
| CN103624488A (en) * | 2013-11-15 | 2014-03-12 | 南通润邦重机有限公司 | Technology for manufacturing pile leg of self-elevating offshore wind power work platform |
| 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 |
| CN104878733A (en) * | 2015-04-21 | 2015-09-02 | 南通蓝岛海洋工程有限公司 | Drilling platform pile leg segmented closing technology |
| CN104820761A (en) * | 2015-05-22 | 2015-08-05 | 南通中远船务工程有限公司 | Method for designing anti-bending structure of octagonal safety pin pile leg |
| KR101576504B1 (en) * | 2015-10-26 | 2015-12-21 | 에스앤에스이앤지 주식회사 | Barge having jackup device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106812126B (en) | 2018-10-30 |
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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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