CN106697201A - Single point mooring transferring buoy and multi-column type floating body thereof - Google Patents

Single point mooring transferring buoy and multi-column type floating body thereof Download PDF

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Publication number
CN106697201A
CN106697201A CN201611149586.3A CN201611149586A CN106697201A CN 106697201 A CN106697201 A CN 106697201A CN 201611149586 A CN201611149586 A CN 201611149586A CN 106697201 A CN106697201 A CN 106697201A
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CN
China
Prior art keywords
floating body
column type
cylinder
drum
center
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611149586.3A
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Chinese (zh)
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CN106697201B (en
Inventor
罗勇
王铭飞
付东明
苏志勇
朱为全
刘超
申辉
李卓
张扬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cotec Inc
China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
Original Assignee
BEIJING GAOTAI DEEP-SEA TECHNOLOGY Co Ltd
China National Offshore Oil Corp CNOOC
Offshore Oil Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by BEIJING GAOTAI DEEP-SEA TECHNOLOGY Co Ltd, China National Offshore Oil Corp CNOOC, Offshore Oil Engineering Co Ltd filed Critical BEIJING GAOTAI DEEP-SEA TECHNOLOGY Co Ltd
Priority to CN201810275263.1A priority Critical patent/CN108860476B/en
Priority to CN201611149586.3A priority patent/CN106697201B/en
Publication of CN106697201A publication Critical patent/CN106697201A/en
Application granted granted Critical
Publication of CN106697201B publication Critical patent/CN106697201B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/507Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers with mooring turrets
    • B63B21/508Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers with mooring turrets connected to submerged buoy
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B22/00Buoys
    • B63B22/02Buoys specially adapted for mooring a vessel
    • B63B22/021Buoys specially adapted for mooring a vessel and for transferring fluids, e.g. liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B22/00Buoys
    • B63B22/02Buoys specially adapted for mooring a vessel
    • B63B22/021Buoys specially adapted for mooring a vessel and for transferring fluids, e.g. liquids
    • B63B22/026Buoys specially adapted for mooring a vessel and for transferring fluids, e.g. liquids and with means to rotate the vessel around the anchored buoy

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Revetment (AREA)

Abstract

The invention discloses a single point mooring transferring buoy and a multi-column type floating body thereof. The multi-column type floating body comprises a center cylinder, top plates and bottom plates. The center cylinder is located at the center of a plurality of peripheral cylinders, and the center cylinder and the peripheral cylinder are connected with each circumferential cylinder through vertical toggle plates arranged in the radial direction. Second through holes matched with the center cylinder are formed at the centers of the bottom plates. The bottom plates are connected with the lower end faces of the center cylinder, vertical narrow plates and the peripheral cylinders in a sealed mode. The peripheral edge of the structure formed by the vertical narrow plates and the peripheral cylinders is matched with the peripheral edges of the bottom plates. The multi-column type floating body is composed of a plurality of steel cylinders and has the characteristics that the manufacturing automation degree is high, cost is low, flexibility is good, self-support capacity is good, and the demand of a stiffener is low; the construction process is simplified, the working amount of steel plate cutting and welding is saved, the construction period and construction cost of the whole single point buoy can be significantly reduced, and an obvious cost advantage is achieved.

Description

Floating drum and its multi-column type floating body transfer in single point mooring
Technical field
The present invention relates to offshore floating type production storing and transporting system and corollary equipment technical field, specifically, more particularly to one Plant single point mooring and transfer floating drum and its multi-column type floating body.
Background technology
The anchorage of mammoth tanker needs deeper drinking water.Due to newly-built or the long in time limit and with high costs of harbour of upgrading, For there is mammoth tanker to load and unload demand but without harbour or the shallower area of the harbour depth of water, in the suitable immediate offshore area equipment of the depth of water Single point mooring's floating drum (hereinafter referred to as single-point floating drum) that transfers waterborne is a solution for prevalence.
Single-point floating drum is typically made up of rotating part and stationary part.Rotating part can be with oil tanker together with stormy waves stream Direction change and rotate, anchoring system of the stationary part with oil hose under water and single-point floating drum in itself is connected, stationary part with The structure of rotating part is connected with pipeline by bearing assembly.Single-point spar structures form more ripe at present has two kinds, One kind is rotating disc type, and one kind is rotary type tower.
As shown in figure 1, the floating body 101 ' of rotating disc type single-point floating drum belongs to stationary part, a usually cylinder or more than Side type cylinder, is provided with moon pool at pivot, and for oil pipeline provides path, its bottom is connected with single point mooring component, its Top is connected by bearing assembly with rotating disk;Rotating disk is usually framed plate structure as rotating part, supports mooring component and oil transportation Pipeline and other functional apparatus.
The floating body 101 ' of rotary type tower single-point floating drum belongs to rotating part, is shaped as a cylinder or a polygon type tube Body, its pivot position is furnished with moon pool.Capstan head belongs to stationary part, and its bottom is connected with single point mooring system, and its cylinder is embedding Enter floating body moon pool, be connected with floating body 101 ' by bearing assembly.
In existing patent, be related to the Exemplary patents of traditional rotating disc type floating drum have United States Patent (USP) US3187355, US3264662 and US3651525.Be related to the Exemplary patents of traditional rotary type tower single-point floating drum have United States Patent (USP) US4279047, US7137200 and Chinese patent CN103287547B (corresponding United States Patent (USP)s:US8821202).
The float structure form of the single-point floating drum in above patent is single cylindrical shape or single multi-edge column-shaped, in order to protect Card damaged stability and security, by floating body cutting are multiple cabins by several bulkheads radially, are disposed with level, vertical aid the strong Material is ensureing its intensity.But because single-point float volume is smaller, cause traditional design to have the disadvantage that:Because a large amount of arrangements are helped Strong material causes internal structure complicated;It is compact in the stiffener time space of welding bulkhead, outside plate;And due to needing substantial amounts of angle steel Deng section bar, the workload of steel cutting and welding is big;Whole building course workload is big, and high cost is long in time limit.
The content of the invention
It is contemplated that at least solving one of above-mentioned technical problem of the prior art to a certain extent.
In view of this, an aspect of of the present present invention needs to provide that a kind of automatic degree is high, cost bottom multi-column type floating body.This hair Bright another aspect needs a kind of single point mooring with above-mentioned multi-column type floating body of offer to transfer floating drum.
Embodiments in accordance with the present invention multi-column type floating body, including:The highly equal periphery of vertically extending multiple Cylinder, equidistantly circumferentially, the adjacent periphery cylinder is vertical by circumferentially for multiple periphery cylinders Narrow boards is connected, and the height of the vertical narrow boards is highly identical with the periphery cylinder;Center drum, the center drum is located at The center of multiple periphery cylinders, and the center drum is vertical by what is radially arranged with the periphery cylinder Bracket is connected with circumferential cylinder each described;Top board, the top board center is provided with the first through hole matched with the center drum, The top board is tightly connected with the upper surface of the center drum, the vertical narrow boards, the periphery cylinder, and the Vertical Narrow The outer peripheral edge of the structure that plate and the periphery cylinder are surrounded into matches with the outer peripheral edge of the top board;And base plate, in the base plate The heart is provided with the second through hole matched with the center drum, the base plate and the center drum, the vertical narrow boards, described outer The lower surface of all cylinders is tightly connected, and the outer peripheral edge of structure that surrounds into of the vertical narrow boards and the periphery cylinder with it is described The outer peripheral edge matching of base plate.
Multi-column type floating body according to an embodiment of the invention, multi-column type floating body is made up of multiple steel cylinders, and manufacture is automatic Change degree is high, low cost, and flexibility is good, and has good self-supporting ability, the characteristics of stiffener demand is low, simplifies construction stream Journey, saves steel plate cutting, welding job amount, can significantly reduce the construction period and construction cost of whole single-point floating drum, has Obvious cost advantage.
In addition, multi-column type floating body according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, the top board is provided with the manhole communicated with the periphery cylinder.
According to one embodiment of present invention, the top board is provided with the hatch board communicated with the periphery cylinder.
According to one embodiment of present invention, the center drum, the vertical bracket, the periphery cylinder, described perpendicular The junction of straight narrow boards, the top board and the base plate is welding.
According to one embodiment of present invention, the height of the vertical bracket is justified less than the center drum and the periphery The height of cylinder.
According to one embodiment of present invention, the vertical bracket is provided with hole.
Floating drum transfers in single point mooring according to an embodiment of the invention, and floating drum transfers for rotating disc type single-point in the single point mooring Floating drum, including:Above-mentioned multi-column type floating body;Fixed pipeline, the fixed pipeline is located at the center of the multi-column type floating body In cylinder, rotating disk, the rotating disk is connected to described many by the bearing in the center drum of the multi-column type floating body On column type floating body, the rotating disk is provided with mooring component, the rotation pipe being connected with the fixed pipeline by pipeline bearing assembly Road;With mooring component, the mooring component is connected with the multi-column type floating body.
Floating drum transfers in single point mooring according to an embodiment of the invention, different from single-point floating drum form of the prior art, Combined by multiple cylinders, can arbitrarily change drinking water and the bearing capacity of single-point floating drum.And central tube and periphery cylinder, can be by Long-size steel tube is cut into, or one block of steel plate is rolled and formed, and body manufacturing automation degree is high, low cost, and flexibility is good, and There is good self-supporting ability, the characteristics of stiffener demand is low, simplify construction flow, save steel plate cutting, welding job amount, The construction period and construction cost of whole single-point floating drum can be significantly reduced, there is obvious cost advantage.
Further, the multi-column type floating body is provided with mooring platform, and the mooring component is connected with the mooring platform.
Floating drum transfers in single point mooring according to an embodiment of the invention, and floating drum transfers for rotary type tower single-point in the single point mooring Floating drum, including:Fixed pipeline;Mooring component, the mooring component is connected with the fixed pipeline;Above-mentioned multi-column type floating body, The multi-column type floating body is connected with the fixed pipeline by bearing;Pipeline is rotated, the rotation pipeline is located at the multi-column type It is connected with the fixed pipeline on floating body and by pipeline bearing;And deck platform, the deck platform is located at the multi-column type On floating body.
Floating drum transfers in single point mooring according to an embodiment of the invention, different from single-point floating drum form of the prior art, Manufacturing automation degree is high in itself for multi-column type floating body, low cost, and has good self-supporting ability, the low spy of stiffener demand Point, simplifies construction flow, saves steel plate cutting, welding job amount, can significantly reduce the construction week of whole single-point floating drum Phase and construction cost, there is obvious cost advantage.
Further, the bottom of the fixed pipeline is provided with connecting plate, and the mooring component passes through the connecting plate and institute State fixed pipeline connection.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram that floating drum transfers in rotating disc type single point mooring in the prior art.
Fig. 2 is that floating drum side view transfers in rotating disc type single point mooring in the prior art.
Fig. 3 is that floating drum dimensional structure diagram is transferred by rotary type tower single point mooring in the prior art.
Fig. 4 is that floating drum side view transfers in rotary type tower single point mooring in the prior art.
Fig. 5 is the peripheral cylinder connection signal of the center drum of multi-column type floating body and according to an embodiment of the invention Figure.
Fig. 6 is peripheral cylinder connection signals of the center drum of multi-column type floating body and two according to an embodiment of the invention Figure.
Fig. 7 is the centered cylinder of multi-column type floating body and peripheral cylinder connection diagram according to an embodiment of the invention.
Fig. 8 is the structural representation of multi-column type floating body according to an embodiment of the invention.
Fig. 9 is the stereogram that floating drum transfers in single point mooring according to an embodiment of the invention, and the floating drum is rotating disc type single-point Floating drum.
Figure 10 is the side view that floating drum transfers in single point mooring according to an embodiment of the invention, and the floating drum is rotating disc type single-point Floating drum.
Figure 11 is the stereogram that floating drum transfers in single point mooring according to an embodiment of the invention, and the floating drum is rotary type tower single-point Floating drum.
Figure 12 is the side view that floating drum transfers in single point mooring according to an embodiment of the invention, and floating drum is floating for rotary type tower single-point Cylinder.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of The description present invention is described with simplified, must have specific orientation, Yi Te rather than the device or element for indicating or imply meaning Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In the description of the invention, " multiple " is meant that two or more, Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally;Can be that machinery connects Connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements The connection in portion or two interaction relationships of element.For the ordinary skill in the art, can be according to specific feelings Condition understands above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score The first and second feature directly contacts can be included, it is also possible to including the first and second features be not directly contact but by it Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that first is special Levy directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of Fisrt feature level height is less than second feature.
As is shown in figures 5-12, multi-column type floating body 10 of the invention, the multi-column type floating body 10 can be applied in single-point system Pool is transferred on floating drum 100, and it can be rotating disc type single-point floating drum or rotary type tower single-point floating drum that floating drum 100 transfers in single point mooring.
Referring to Fig. 5-Figure 12, multi-column type floating body 10 includes according to an embodiment of the invention:Vertically extending is more Individual highly equal periphery cylinder 11, center drum 12, top board 13 and base plate 14.
Specifically, multiple grades of periphery cylinder 11 can be with spacing circumferentially, in other words, between multiple periphery cylinders 11 It is arranged apart into circumferential.Adjacent periphery cylinder 11 can be connected by vertical narrow boards 15 circumferentially, vertical narrow boards 15 height is highly identical with periphery cylinder 11, and both can be connected by way of welding.
Center drum 12 is located at the center of multiple peripheries cylinder 11, and center drum 12 and periphery cylinder 11 by along footpath The vertical bracket 16 arranged to direction is connected with each circumferential cylinder 11.
It is understood that either circumferential cylinder 11 or center drum 12 are all the tubular structure of up/down perforation.
The center of top board 13 is provided with the first through hole matched with center drum 12, top board 13 and center drum 12, vertical narrow boards 15th, the upper surface of periphery cylinder 11 is tightly connected, and for example, welds.And the structure that narrow boards 15 and periphery cylinder 11 are surrounded into vertically Outer peripheral edge matched with the outer peripheral edge of top board 13, matching mentioned here can be understood as vertical narrow boards 15 and periphery cylinder 11 encloses The outer peripheral edge of the structure being coiled into is identical with the outer peripheral edge of top board 13 and correspondence is coincide.
The center of base plate 14 is provided with the second through hole matched with center drum 11, base plate 14 and center drum 12, vertical narrow boards 15th, the lower surface of periphery cylinder 11 is tightly connected, and vertically the outer peripheral edge of the structure that narrow boards 15 and periphery cylinder 11 are surrounded into The outer peripheral edge matching of base plate 14.Ibid, matching mentioned here can be understood as vertical narrow boards 15 and periphery cylinder 11 is surrounded into Structure outer peripheral edge it is identical with the outer peripheral edge of base plate 14 and correspondence coincide.
Multi-column type floating body 10 according to an embodiment of the invention, multi-column type floating body 10 manufacturing automation degree itself is high, into This is low, and has good self-supporting ability, the characteristics of stiffener demand is low, simplifies construction flow, saves steel plate cutting, weldering Workload is connect, the construction period and construction cost of whole single-point floating drum can be significantly reduced, there is obvious cost advantage.
Further, according to one embodiment of present invention, the people communicated with periphery cylinder 11 can be provided with top board 13 Hole, periphery cylinder 11 is passed in and out in order to personnel.Alternatively, the hatch communicated with periphery cylinder 11 can also be provided with top board 13 Lid.
Some embodiments of the invention, for the ease of processing, improve the air-tightness energy, center drum 12, vertical bracket 16th, the junction of periphery cylinder 12, vertical narrow boards 15, top board 13 and base plate 14 can be welding.
As viewed in figures 5-8, according to one embodiment of present invention, the height of vertical bracket 16 is less than center drum 12 and outer The height of all cylinders 11.Thus, it is possible to save production material, production cost is reduced.Further, it is preferable to ground, vertical bracket 16 Be provided with hole 17.Thus, it is possible to be easy to the connection in each space.
As shown in Figure 9, Figure 10, floating drum 100 transfers in single point mooring according to an embodiment of the invention, and single point mooring transfers floating Cylinder 100 can be rotating disc type single-point floating drum, including:The multi-column type floating body 10 of above-described embodiment, fixed pipeline 20, rotating disk 30 and it is Pool component 40.
Specifically, fixed pipeline 20 can be located in the center drum 12 of multi-column type floating body 10.Rotating disk 30 is by positioned at more Bearing 50 in the center drum 12 of column type floating body 10 is connected on multi-column type floating body 10, and rotating disk 30 is provided with mooring component 60th, the rotation pipeline 80 being connected with fixed pipeline 20 by pipeline bearing assembly 70.Mooring component 40 connects with multi-column type floating body 10 Connect.
Floating drum 100 transfers in single point mooring according to an embodiment of the invention, with single-point floating drum form of the prior art not Together, multi-column type floating body 10 manufacturing automation degree itself is high, low cost, and has good self-supporting ability, and stiffener demand is low The characteristics of, construction flow is simplified, steel plate cutting, welding job amount are saved, can significantly reduce building for whole single-point floating drum Cycle and construction cost are made, there is obvious cost advantage.
Further, according to one embodiment of present invention, multi-column type floating body 10 can be provided with mooring platform 18, mooring group Part 40 is connected with mooring platform 18.Thus, it is possible to be easy to the positioning to multi-column type floating body 10.
As shown in Figure 11, Figure 12, floating drum 100 transfers in single point mooring according to an embodiment of the invention, and single point mooring transfers Floating drum 100 can be rotary type tower single-point floating drum, including:Fixed pipeline 20, the multi-column type floating body of mooring component 40, above-described embodiment 10th, pipeline 80 and deck platform 90 are rotated.
Specifically, mooring component 40 is connected with fixed pipeline 20.Multi-column type floating body 10 passes through bearing with fixed pipeline 20 50 connections.Pipeline 80 is rotated to be located on multi-column type floating body 10 and be connected with fixed pipeline 20 by pipeline bearing 70.Deck platform 90 are located on multi-column type floating body 10.
Floating drum 100 transfers in single point mooring according to an embodiment of the invention, with single-point floating drum form of the prior art not Together, multi-column type floating body 10 manufacturing automation degree itself is high, low cost, and has good self-supporting ability, and stiffener demand is low The characteristics of, construction flow is simplified, steel plate cutting, welding job amount are saved, can significantly reduce building for whole single-point floating drum Cycle and construction cost are made, there is obvious cost advantage.
Further, according to one embodiment of present invention, the bottom of fixed pipeline 20 is provided with connecting plate 19, mooring component 40 are connected by connecting plate 19 with fixed pipeline 20.
Referring to Fig. 5-12, floating drum 100 transfers in single point mooring according to an embodiment of the invention.Steel cylinder system can be used Make center drum 12 and periphery cylinder 11.By using steel cylinder, the characteristic with self-supporting ability, and build automation Degree is high, low cost advantage, by steel cylinder as floating drum modular construction.
Therefore, this invention simplifies float structure, reducing cylinder interior stiffener welding capacity (can be with Reasonable adjustment thickness of slab Accomplish to be designed without stiffener), construction difficulty is reduced, finally save man-hour and cost.
Referring to Fig. 9, Figure 10, multi-column type floating body 10 of the invention can apply to rotating disc type single-point floating drum 100.Application form For:The floating body of single-point floating drum stationary part is made up of the periphery cylinder 11 of several vertical arrangements, center drum 12 as moon pool outside Wall, top assembling bearing 50;Peripheral cylinder 11 is arranged around center drum 12.By circumferential arrangement vertically between peripheral cylinder 11 , from bottom to top vertical narrow boards 15 connect, between peripheral cylinder 11 and center drum 12 by radially, vertically arrangement bracket 16 Connection;Two pieces of annular cover plates of top and bottom (determining version 13 and base plate 14) is by peripheral cylinder and peripheral cylinder 11 and center circle 12 enclosed spaces of cylinder are sealed to watertight cabin, for whole system provides buoyancy.
Single-point floating drum rotating part, i.e. rotating disk 30, the cloth of arrangement, pipe arrangement and other equipment for mooring component 60 Put.With center drum top be connected rotating disk by the bearing assembly 50 of center of turntable.
Referring to Figure 11, Figure 12, multi-column type floating body of the invention can also be applied to rotary type tower single-point floating drum 100.Using shape Formula is:The floating body of single-point floating drum rotating part is made up of several vertical cylinders, and float structure is with multi-column type floating body in rotating disc type list The application of point floating drum is similar to;Single-point floating drum stationary part is that a diameter (turns less than the cylinder of multicolumn floating body center drum Tower);Capstan head is embedded in moon pool, is connected with floating body by the bearing assembly of top layout, and bottom connects the mooring component of single-point floating drum 40。
Multi-column type floating body 10 according to an embodiment of the invention, the barrel of each cylinder is without vertical stiffener, horizontal endless Stiffener demand is low (can accomplish to be designed without horizontal stiffener with Reasonable adjustment thickness of slab), and the watertight cabin leg of floating drum is (i.e. outer Enclose cylinder) and moon pool leg (i.e. center drum) several cylinder modules can be caused with automatic Building, by welding top plate, base plate, Narrow boards and bracket, most module spliced is connected into a multi-column type floating body 10 for being applied to single-point floating drum at last.
Fig. 1 and Fig. 2 show rotating disc type single-point floating drum in the prior art.Stationary part is main by mooring component, single cylinder Shape floating body 101 ' and the fixed pipeline composition being connected with underwater hose;Rotating disk is rotated with oil tanker, and rotating pipe and mooring component are The important component of rotating disk;Bearing assembly includes airframe bearing component and pipeline bearing assembly two parts.
Fig. 3 and Fig. 4 show rotary type tower single-point floating drum in the prior art, and stationary part is mainly by mooring component, capstan head cylinder Body and the fixed pipeline composition being connected with underwater hose, single cylinder floating body 101 ' are rotated with deck platform thereon with oil tanker, are The rotating pipe component on floating body is fixed on, is connected with external oil hose during operation, bearing assembly includes airframe bearing component With pipeline bearing assembly two parts.
The typical case that Fig. 5-Fig. 8 show the multi-column type floating body of the embodiment of the present invention builds flow.
Multi-column type floating body of the invention is made up of a center drum 12 and several peripheral cylinders 11.It is shown in figure One has six examples of peripheral cylinder 11.
Center drum 12 and peripheral cylinder 11 are common just rounding cylinder as basic construction module of the invention, internal Without horizontal, vertical reinforcement structure.Sequence of construction is as follows:
Center drum 12 is connected with peripheral cylinder 11 by radially arranged vertical bracket 16;
Connected by vertical narrow boards 15 from the top to bottom circumferentially between several peripheral cylinders 11;
Welding class annular roof plate 13 and base plate 14, make peripheral cylindrical into six cylindrical watertight compartments, while making peripheral circle Cylinder and center drum institute clip space one class annular watertight compartment of formation.
It is to be noted that top board 13 need to arrange manhole and hatch board (without display manhole and hatch board in sketch);
As shown in Figure 9, Figure 10, multi-column type floating body is applied to a kind of concrete form of rotating disc type single-point floating drum 100.
The key features of this form are the application of multi-column type floating body 10.Multi-column type floating body 10 applies to rotating disc type single-point and floats Cylinder, can obviously reduce the welding job amount inside floating drum, and the intrinsic advantage of fast low cost is processed using cylinder, simplify significantly floating The building course of cylinder.And multi-column type floating body has no effect to the function of whole single-point floating drum.
As shown in Figure 11, Figure 12, multi-column type floating body is applied to a kind of concrete form of rotary type tower single-point floating drum.
The key features of this form lie also in the application of multi-column type floating body.Equally can also greatly simplify the construction work of floating drum Make.And the function to single-point floating drum has no effect.
By steel cylinder, manufacturing automation degree is high in itself, low cost, and has good self-supporting ability, and stiffener is needed The characteristics of asking low, simplifies construction flow, saves steel plate cutting, welding job amount, can significantly reduce whole single-point floating drum Construction period and construction cost, have obvious cost advantage.
The simply typical case of the invention shown in above figure, according to disparity items needs, cylinder quantity, diameter, its His partial structurtes, equipment, and the form of pipeline can be with respective change.
The parallel vertical bar of floating body drum surface is anticollision barrier, not vertical stiffener, with agent structure in Fig. 9-Figure 12 It is unrelated, other suitable forms can be used during actual design.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office What combined in an appropriate manner in one or more embodiments or example.Additionally, those skilled in the art can say this Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (10)

1. a kind of multi-column type floating body, it is characterised in that including:
The highly equal periphery cylinder of vertically extending multiple, multiple periphery cylinders are equidistant circumferentially, The adjacent periphery cylinder is connected by vertical narrow boards circumferentially, and height and the periphery of the vertical narrow boards are justified Cylinder it is highly identical;
Center drum, the center drum is located at the center of multiple periphery cylinders, and the center drum is outer with described The vertical bracket that all cylinders pass through radially to arrange is connected with circumferential cylinder each described;
Top board, the top board center is provided with the first through hole matched with the center drum, the top board and the center drum, The vertical narrow boards, the upper surface of the periphery cylinder are tightly connected, and the vertical narrow boards and the periphery cylinder are surrounded into The outer peripheral edge of structure matched with the outer peripheral edge of the top board;With
Base plate, the base plate center is provided with the second through hole matched with the center drum, the base plate and the center drum, The vertical narrow boards, the lower surface of the periphery cylinder are tightly connected, and the vertical narrow boards and the periphery cylinder are surrounded into The outer peripheral edge of structure matched with the outer peripheral edge of the base plate.
2. multi-column type floating body according to claim 1, it is characterised in that the top board is provided with and the periphery cylinder phase Logical manhole.
3. multi-column type floating body according to claim 1, it is characterised in that the top board is provided with and the periphery cylinder phase Logical hatch board.
4. multi-column type floating body according to claim 1, it is characterised in that the center drum, the vertical bracket, described The junction of periphery cylinder, the vertical narrow boards, the top board and the base plate is welding.
5. multi-column type floating body according to claim 1, it is characterised in that the height of the vertical bracket is less than the center The height of cylinder and the periphery cylinder.
6. multi-column type floating body according to claim 1, it is characterised in that the vertical bracket is provided with hole.
7. floating drum transfers in a kind of single point mooring, it is characterised in that floating drum transfers for rotating disc type single-point floating drum in the single point mooring, bag Include:
Multi-column type floating body according to any one of claim 1-6;
Fixed pipeline, the fixed pipeline is located in the center drum of the multi-column type floating body,
Rotating disk, the rotating disk is connected to the multi-column type by the bearing in the center drum of the multi-column type floating body On floating body, the rotating disk is provided with mooring component, the rotation pipeline being connected with the fixed pipeline by pipeline bearing assembly;With
Mooring component, the mooring component is connected with the multi-column type floating body.
8. floating drum transfers in single point mooring according to claim 7, it is characterised in that the multi-column type floating body is provided with mooring and puts down Platform, the mooring component is connected with the mooring platform.
9. floating drum transfers in a kind of single point mooring, it is characterised in that floating drum transfers for rotary type tower single-point floating drum in the single point mooring, bag Include:
Fixed pipeline;
Mooring component, the mooring component is connected with the fixed pipeline;
Multi-column type floating body according to any one of claim 1-6, the multi-column type floating body passes through with the fixed pipeline Bearing is connected;
Pipeline is rotated, the rotation pipeline is located on the multi-column type floating body and is connected with the fixed pipeline by pipeline bearing Connect;With
Deck platform, the deck platform is located on the multi-column type floating body.
10. floating drum transfers in a kind of single point mooring, it is characterised in that the bottom of the fixed pipeline is provided with connecting plate, the mooring Component is connected by the connecting plate with the fixed pipeline.
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