A kind of offshore platform shoe
Technical field
The present invention relates to marine engineering equipment field, particularly a kind of offshore platform shoe.
Background technology
Ocean platform offshore platform are at sea to carry out drilling well, oil recovery, transporting something containerized, observation, navigation, construction etc.
Activity provides the structures of production and living facilities.
Can be divided into fixed, movable two class by its architectural characteristic and working condition.The bottom of fixed platform is by stake, expansion
Big footing or other constructions are directly supported and are bonded to seabed, and two kinds of pile foundation type and gravity type are divided into by supporting situation.It is movable
Platform floats in water or is supported on seabed, can move to another well location from a well location, and connecing supporting situation can be divided into bottom formula and floating
The class of formula two.The semi-fixed type ocean platform of novelty is being studied in recent years, and it can be fixed in deep water, and with high movable,
Tension leg type platform is that category is such.
It is most representative with jack-up unit in movable ocean platform, self-elevating drilling platform also known as deck lift or
Spud leg formula platform.This oil drilling device loads drilling machinery, power, equipment, accommodation on the platform kept afloat
And some liftable spud legs, spud leg bottom during drilling well, and platform then lifts away from sea certain altitude along spud leg;Platform drop during displacement
To the water surface, spud leg is risen, and platform can be dragged it by tugboat and move on to new well location just as barge.The advantage of jack-up unit is main
It is that required steel are few, low cost, drillng operation can be smoothly carried out under various sea situations;Have the disadvantage spud leg limited length, make
Its operating depth is restricted, and maximum operating depth is about in 120m or so.More than this depth of water, the increase of spud leg weight quickly,
Spud leg rises very high during towage simultaneously, all unfavorable to platform stability and spud leg intensity.
Existing cylindrical leg is not easy assembling, and low space utilization, bulk strength is relatively low, there is stress concentration and asks
, there is cracking or breaking potential safety hazard topic during use in topic.
The content of the invention
For drawbacks described above, higher it is an object of the invention to propose a kind of space availability ratio, bulk strength is high, effectively keeps away
Exempt from problem of stress concentration, the big and reliable and stable high intensity octagon spud leg section of load capacity and matching used shoe.
It is that, up to this purpose, the present invention uses following technical scheme:
A kind of offshore platform shoe, including shoe portion and the spud leg seat for being fixed on the shoe portion, the shoe portion is overlooked
Figure is in octagon, and the spud leg seat is fixed on shoe portion center;
The shoe portion includes housing, and the housing is made up of base plate, gusset plate and top board from bottom to top;
The spud leg seat includes central platform plate, guide plate and coaming plate, and the central platform plate is polygon, the center
Landing slab includes landing slab straight flange and landing slab hypotenuse respectively no less than four, and the landing slab straight flange is used to be enclosed described in fixation
Plate, the landing slab hypotenuse is used to fix the guide plate, and the coaming plate and the guide plate are around the central platform plate;
Also include spud leg, the spud leg is fixedly connected by the segmentation of multiple spud legs and constituted, and the spud leg is fixedly installed in described
Spud leg seat.
Further, also including grid spacer component and oblique baffle assembly, the grid spacer component and oblique dividing plate
Component is fixed in the housing;
The grid spacer component is in cross-shaped, and the grid spacer component is fixed in the spud leg seat, described
Grid spacer component bottom is fixed on the base plate, and four ends of the grid spacer component are both secured to the guide plate;
The guide plate is fixed in described oblique baffle assembly one end, and the oblique baffle assembly other end is located at the bottom
The hypotenuse of plate, the oblique baffle assembly is provided with no less than four;The oblique baffle assembly in strengthen tendon shape, it is described it is oblique every
Board component and the grid spacer component play structural strengthening.
Further, the guide plate includes base section and guide section, and the guide section is fixed on the base section top,
The guide section is used to connect spud leg guide rail;The base section is fillet structure with guide section connecting portion;
The coaming plate inner surface is provided with a plurality of floor, and the floor cross section is in " T " font, the central platform plate it is straight
While being provided with multiple welding grooves, the welding groove is corresponding with the position of the floor, and the floor is contained in the welding groove, described
The welding that floor and welding groove are used between coaming plate and central platform plate.
It is preferred that it is in octagon that the base plate is overlooked, the base plate includes bottom and four side walls, and the bottom is side
Shape, the bottom of the side wall is all connected to the side of the bottom, the both sides of the side wall be interconnected to four surface side walls, it is described
The top of side wall is respectively positioned on same plane;
The spud leg seat is fixedly installed in the bottom of the base plate.
Further, also including single dividing plate, single dividing plate is fixedly connected between two oblique baffle assemblies, the list every
Plate inner face is fixedly connected two sides of the guide plate, and single dividing plate is fixedly connected on the base plate and top board;
Also include middle component, the enclosure board component includes main demarcation strip and small demarcation strip, and the main demarcation strip is in strip,
The main demarcation strip is equidistantly vertically fixed with small demarcation strip, and the main demarcation strip and the small demarcation strip offer hole;
The middle component is interconnected to constitute by multigroup enclosure board component, and the face of middle component six is individually fixed in the bottom
Plate, gusset plate, oblique baffle assembly, single dividing plate and top board, the middle component are provided with no less than four.
It is preferred that also including lamina tecti, the lamina tecti is in isosceles triangle shape, and the lamina tecti base is provided with multiple welderings
Access slot, the welding groove is sheathed on the floor, and the lamina tecti is provided with four pieces, and the lamina tecti is fixed on the grid spacer
In the interval of component.
Further, the central platform plate center offers pipeline mounting hole;
The central platform plate surface is fixed with the first reinforcement board component and second and strengthens board component;Described first strengthens
Board component is compassingly set at around the pipeline mounting hole, described second strengthen board component include it is a plurality of with the central platform plate
Corresponding second reinforcing plate of welding groove of straight flange;
The first reinforcement board component and the second reinforcing plate are the riser for being erected on the central platform plate surface;
The two ends of second reinforcing plate are respectively first end and the second end, and the first end is connected to described first and strengthens
Board component, second end is located at the landing slab straight flange of the central platform plate, and the height at second end is higher than first end
Height.
It is preferred that the grid spacer component is made up of " U " shaped steel of right-angled intersection, the grid spacer component is fixed on
The base plate;
The oblique baffle assembly includes demarcation strip and structural slab, solid by the structural slab between two demarcation strips
Fixed connection, the structural slab upper and lower ends are fixedly connected on the base plate and top board of the housing, the rear and front end of the structural slab
It is respectively fixedly connected with the gusset plate and guide plate.
Further, the top board of the housing is skewed in what is gradually reduced from middle part to surrounding.
Further, spud leg segmentation includes central platform plate, four sides coaming plate and track plates, the central platform plate with
The housing that track plates assembling combination is segmented into spud leg;
The central platform plate is fixed on the spud leg segmentation enclosure interior;
The inner side of the four sides coaming plate and landing slab straight flange are welded, and the inner side of the track plates and landing slab hypotenuse are welded;
The track plates include multiple pin-and-holes, and the pin-and-hole is longitudinally disposed on the guide plate evenly and at intervals, and the pin-and-hole is used for
Hydraulic bolt insertion lifting;
The track plates end correspondence is fixed on and the guide section end;The four sides coaming plate end correspondence is fixed on institute
State coaming plate end.
Leg seat is set with shoe integrally, makes structural strength therebetween more preferably, and is easy to assembling to produce, and
The structure in shoe portion is wrapped up using housing, it is to avoid the soil or dregs in seabed are entered into inside shoe, so as to protect stake
Structure inside boots;Shoe portion has preferably compression-resistant structure, and durability degree is higher, the contact overall with shoe portion of guide plate bottom
Area is big, is come off so as to be not likely to produce after installing spud leg in shoe portion;The section of floor is " T " font, welding groove and rib
Coordinate, can be welded in the case where coaming plate is not influenceed, furthermore, floor increased the contact area between welding groove,
Effectively raise the soldering reliability of lamina tecti and coaming plate;Base plate is set in standing shape makes the bottom of spud leg can after lower stake
Sufficiently contacted with seabed surface, so that ocean platform is more stable after lower stake;The cross section of spud leg segmentation is octagon, many
Individual spud leg segment folding assembles octagon spud leg, and compared with existing cylindrical leg, octagon spud leg section is easy to assembling, space
Utilization rate is higher.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of one embodiment of the present of invention;
Fig. 2 is the enclosure board component schematic diagram of one embodiment of the present of invention;
Fig. 3 is the spud leg seat internal structure schematic diagram of one embodiment of the present of invention:
Fig. 4 is the middle modular construction schematic diagram of one embodiment of the present of invention:
Fig. 5 is the structural representation of the central platform plate of one embodiment of the present of invention;
Fig. 6 is the base plate, guide plate and grid spacer modular construction schematic diagram of one embodiment of the present of invention;
Fig. 7 is the spud leg segmental structure schematic diagram of one embodiment of the present of invention.
Wherein:Shoe portion 100, housing 110, base plate 120, bottom 121, side wall 122, base plate straight flange 123, base plate hypotenuse
124th, gusset plate 130, top board 140, grid spacer component 150, spud leg seat 200, central platform plate 300, landing slab straight flange 310,
Landing slab hypotenuse 320, welding groove 330, lamina tecti 340, pipeline mounting hole 350, first strengthen board component 360, the second reinforcing plate
Component 370, the second reinforcing plate 371, first end 372, the second end 373, guide plate 400, base section 410, guide section 420, coaming plate
500th, floor 510, oblique baffle assembly 600, demarcation strip 610, structural slab 620, single dividing plate 700, middle component 800, enclosure plate group
Part 810, main demarcation strip 811, the segmentation 900, four sides coaming plate 910 of small demarcation strip 812, spud leg, track plates 920, pin-and-hole 921.
Specific embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by specific embodiment.
As shown in figures 1 to 6, a kind of offshore platform shoe, including shoe portion 100 and the spud leg seat for being fixed on the shoe portion
200, the top view of shoe portion 100 is in octagon, and the spud leg seat 200 is fixed on the center of shoe portion 100;The shoe
Portion 100 includes housing 110, and the housing 110 is made up of base plate 120, gusset plate 130 and top board 140 from bottom to top;The spud leg
Seat 200 includes central platform plate 300, guide plate 400 and coaming plate 500, and the central platform plate 300 is polygon, the center
Landing slab 300 includes landing slab straight flange 310 and landing slab hypotenuse 320 respectively no less than four, and the landing slab straight flange 310 is used
In the fixation coaming plate 500, the landing slab hypotenuse 320 is used to fixing the guide plate 400, the coaming plate 500 and described leads
To plate 400 around the central platform plate 300;Also include spud leg, the spud leg is fixedly connected structure by multiple spud legs segmentation 900
Into the spud leg is fixedly installed in the spud leg seat.By spud leg seat 200 and the integrated setting of shoe portion 100, make therebetween
Structural strength more preferably, and is easy to assembling to produce, and the structure in shoe portion 100 is wrapped up using housing 110, it is to avoid seabed
Soil or dregs enter into inside shoe portion 100, so as to protect the structure inside shoe portion 100;The spud leg segmentation 900
Cross section be octagon, assembling octagon spud leg, compared with existing cylindrical leg, eight are closed up in multiple spud legs segmentation 900
Side shape spud leg section is easy to assembling, and space availability ratio is higher.
Additionally, also including grid spacer component 150 and oblique baffle assembly 600, the grid spacer component 150 and oblique
Baffle assembly 600 is fixed in the housing 110;The grid spacer component 150 is in cross-shaped, the grid spacer group
Part 150 is fixed in the spud leg seat 200, and the base plate 120, the positioning are fixed in the bottom of grid spacer component 150
Four ends of baffle assembly 150 are both secured to the guide plate 400;Described one end of oblique baffle assembly 600 is fixed on described
Guide plate 400, the other end of oblique baffle assembly 600 is located at the hypotenuse 113 of the base plate 120, the oblique baffle assembly
600 are provided with no less than four;The oblique baffle assembly 600 is in reinforcement tendon shape, the oblique baffle assembly 600 and the positioning
Baffle assembly 150 plays structural strengthening.Grid spacer component 150 and oblique baffle assembly 600 inside shoe portion 100 are constituted
General frame inside shoe portion 100, and guide plate 400, oblique baffle assembly 600 and coaming plate 500 constitute spud leg seat
200, spud leg seat 200 is used to connect spud leg, because the structure of oblique baffle assembly 600 is in carry shape, this knot on base plate 120
Structure enables the uniform stress of base plate 120, and oblique baffle assembly 600 is fixed on spud leg seat 200, is subject to shoe portion 100
Force localization on the bigger spud leg of structural strength, it is durable so as to ensure that shoe portion 100 has preferably compression-resistant structure
Du Genggao;Further, since the volume of shoe portion 100 is larger, by shoe portion, 100 points is multiple modules, and effect can be improved aborning
Rate;Furthermore, the bottom of guide plate 400 for constituting spud leg seat 200 is big with the contact area of the entirety of shoe portion 100, makes shoe seat 200
Structural strength is higher, is come off so as to be not likely to produce after installing spud leg in shoe portion 100.
Wherein, the guide plate 400 includes base section 410 and guide section 420, and the guide section 420 is fixed on the base
Seat section 410 top, the guide section 420 is used to connect spud leg guide rail;The base section 410 is with the connecting portion of guide section 420
Fillet structure;The inner surface of the coaming plate 500 is provided with a plurality of floor 510, and the cross section of the floor 510 is in " T " font, the center
The straight flange 310 of landing slab 300 is provided with multiple welding grooves 330, and the welding groove 330 is corresponding with the position of the floor 510, described
Floor 510 is contained in the welding groove 330, the floor 510 and welding groove 330 be used for coaming plate 500 and central platform plate 300 it
Between welding.Base section 410 is fixedly mounted in shoe portion 100, because the width of base section 410 is relatively wide, so in shoe
The internal structure of shoe portion 100 as much as possible can be connected in portion 100, makes the structure inside base section 410 and shoe portion 100
Can be fixed as one;And the structure of guide section 420 is consistent with the guide section 420 in shoe portion 100, it is directed to section 420 and sets
The shape consistent with shoe portion 100 is set to, is easy to the assembling in shoe portion 100 and spud leg 200;And it is directed to the modularization of plate 400
Afterwards, it is easy to volume production.The floor 510 set on the coaming plate 500 enhances the structural strength of coaming plate 500, make coaming plate 500 have compared with
Good intensity, because coaming plate 500 is connected with guide plate 400, and shoe portion 100 can produce certain deformation after by load,
In this case, because coaming plate 500 has preferably structural strength, it is unaffected;Additionally, the section of floor 510 is " T "
Font, welding groove 330 coordinates with rib, can be welded in the case where coaming plate 500 is not influenceed, furthermore, floor 510 increases
With the contact area between welding groove 330, the soldering reliability of lamina tecti 810 and coaming plate is effectively raised;And weld
The cross sectional shape of groove 820 can also be arranged to " T " font.
Additionally, it is in octagon that the base plate 120 is overlooked, the base plate 120 includes bottom 121 and four side walls 122, described
Bottom 121 is square, and the bottom of the side wall 122 is all connected to the side of the bottom 121, the both sides of the side wall 122 and phase
Interconnection is connected into four sides side wall, and the top of the side wall 122 is respectively positioned on same plane;The spud leg seat 200 is fixedly installed in described
The bottom 121 of base plate 120.Base plate 100 is set in standing shape makes the bottom of spud leg can be sufficient with seabed surface after lower stake
Contact, so that ocean platform is more stable after lower stake, additionally, side wall 122 and bottom 121 are arranged to possess after concave shape finish
Structure line, makes base plate 100 not easily to be deformed.
Additionally, also including single dividing plate 700, single dividing plate 700 is fixedly connected between two oblique baffle assemblies 600, institute
State the inner face of single dividing plate 700 and be fixedly connected two sides of the guide plate 400, single dividing plate 700 is fixedly connected on the base plate
120 and top board 140;Also include middle component 800, the enclosure board component 810 includes main demarcation strip 811 and small demarcation strip 812, institute
Main demarcation strip 811 is stated in strip, the main demarcation strip 811 is equidistantly vertically fixed with small demarcation strip 812, the main demarcation strip
811 and the small demarcation strip 812 offer hole;The middle component 800 is interconnected to constitute by multigroup enclosure board component 810,
The face of middle component 800 6 is individually fixed in the base plate 120, gusset plate 130, oblique baffle assembly 600, single and of dividing plate 700
Top board 140, the middle component 800 is provided with no less than four.
Wherein, also including lamina tecti 340, the lamina tecti 340 is in isosceles triangle shape, and the base of the lamina tecti 340 sets
There are multiple welding grooves 330, the welding groove 330 is sheathed on the floor 510, and the lamina tecti 340 is provided with four pieces, the top cover
Plate 340 is fixed in the interval of the grid spacer component 150.The setting of lamina tecti 340 makes between grid spacer component 150
Cavity is sealing, will not be intake, because bottom 121 is used as stress concentration point, so the abrasion being subject to is stronger, if internal be present
Ponding, then easily cause the multiple consumption of internal corrosion and abrasion, and inside is difficult maintenance relative to outside, so using top
Cover plate gets up the cavity capping between grid spacer component 150.
Additionally, the center of central platform plate 300 offers pipeline mounting hole 350;The surface of central platform plate 350 is consolidated
Surely it is provided with the first reinforcement board component 360 and second and strengthens board component 370;The first reinforcement board component 360 is compassingly set at institute
State around pipeline mounting hole 350, described second strengthen board component 370 include it is a plurality of with the straight flange of central platform plate 350
Corresponding second reinforcing plate 371 of welding groove 330;The first reinforcement reinforcing plate 371 of board component 360 and second is and is erected on institute
State the riser on the surface of central platform plate 350;The two ends of second reinforcing plate 371 are respectively the end 373 of first end 372 and second,
The first end 372 is connected to described first and strengthens board component 360, and second end 373 is located at the central platform plate 350
At landing slab straight flange 310, the height of the height higher than first end at second end.First strengthens board component 360 and second strengthens
Board component 370 makes central platform plate 350 be not likely to produce deformation, enhances central platform plate 350 to the support inside spud leg seat 200
Intensity, and the second reinforcement board component 370 increased the contact area of welding groove 330 and floor 510, make solder joint more firm.
Additionally, the grid spacer component 150 is made up of " U " shaped steel of right-angled intersection, the grid spacer component 150 is consolidated
Due to the base plate 120;The oblique baffle assembly 600 includes demarcation strip 610 and structural slab 620, two demarcation strips 610
Between be fixedly connected by the structural slab 620, the upper and lower ends of the structural slab 620 are fixedly connected on the bottom of the housing 110
Plate 120 and top board 140, the rear and front end of the structural slab 620 are respectively fixedly connected with the gusset plate 130 and guide plate 400.
The structure of grid spacer component 150 is in "U" shaped, and this structure is easy to production, and itself has preferably structure, and energy
The intensity of the bottom 121 of enough further reinforcing base plates 120, makes the more compact structure of bottom 121 of base plate 120, internal support force
More preferably;The structure of oblique baffle assembly 600 includes two demarcation strips 610 and the structural slab 620 being arranged between demarcation strip 610, this
Plant structure and be easy to production, and oblique baffle assembly 600 coordinates grid spacer component 150 in one " X " shape of composition of base plate 120
Supporting construction, makes the structure of base plate 100 stronger, and guide plate 400 be clipped in oblique dividing plate 600 and grid spacer component 150 it
Between;Further, since oblique baffle assembly 600 is in tendon shape is strengthened, make have preferably support knot between base plate 100 and spud leg seat 200
Structure, the load for enabling base plate 100 and spud leg seat 200 to be subject to mutually is disperseed.
Additionally, the top board 140 of the housing 110 is skewed in what is gradually reduced from middle part to surrounding.The top board of housing 110
140 is oblique, and spud leg 200 slides when pile pulling beneficial to the soil for being covered in the surface of shoe portion 100, so as to be more conducive to pull out
Stake.
Used as the supplement to above-mentioned technology, the spud leg segmentation 900 includes central platform plate 300, four sides coaming plate 910 and rail
Guidance tape 920, the housing of the central platform plate 300 and the assembling combination of track plates 920 into spud leg segmentation 900;
The central platform plate 300 is fixed on the spud leg and is segmented 900 enclosure interiors;
The inner side of the four sides coaming plate 910 and landing slab straight flange 310 are welded, the inner side of the track plates 920 and landing slab
Hypotenuse 320 is welded;The track plates 920 include multiple pin-and-holes 921, and the pin-and-hole 921 is longitudinally disposed at described evenly and at intervals
On guide plate 920, the pin-and-hole 921 is used for hydraulic bolt and inserts lifting;
The end of the track plates 920 correspondence is fixed on and the end of the guide section 420;The end pair of four sides coaming plate 910
The end of the coaming plate 500 should be fixed on.
Octagon spud leg section is formed by central platform plate 300, four sides coaming plate 910 and the assembling combination of guide plate 920, it is described in
The side of heart landing slab 300 is octagon, and four four sides coaming plate position level edge is provided with the side of central platform plate 300
831 and four guide plates position bevelled edges along 832, a landing slab hypotenuse 320 is set between two landing slab straight flanges 310, i.e.,
Four platformses plate straight flange 310 is relative two-by-two, and four platformses plate hypotenuse 320 is relative two-by-two.Multiple central platform plates 300 can be provided with,
The landing slab straight flange 310 of the inner side of the four sides coaming plate 910 and multiple central platform plates 300 is connected, the track plates 920 it is interior
The landing slab hypotenuse 320 of side and multiple central platform plates 300 is connected, and the central platform plate 300 plays a support and is coupled work
With in order to assemble the housing of spud leg segmentation 900;And staff can be movable on central platform plate 300, to realize work
The inside of the housing that personnel are segmented to spud leg carries out operation and maintenance.Track plates 920 with pin-and-hole 921 are arranged at central platform
In four angles of chamfer of plate 300, so as to avoid stress concentration in the housing lifting process of spud leg segmentation, stress is more equal
Even, spud leg lifting is reliable precisely.
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.