CN206485531U - A kind of many floating body semi-submersible lng floating platforms of ultra-large type - Google Patents
A kind of many floating body semi-submersible lng floating platforms of ultra-large type Download PDFInfo
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- CN206485531U CN206485531U CN201621329046.9U CN201621329046U CN206485531U CN 206485531 U CN206485531 U CN 206485531U CN 201621329046 U CN201621329046 U CN 201621329046U CN 206485531 U CN206485531 U CN 206485531U
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- platform
- floating body
- upper shell
- column
- lower floating
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- 238000007667 floating Methods 0.000 title claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 239000003651 drinking water Substances 0.000 claims description 13
- 235000020188 drinking water Nutrition 0.000 claims description 13
- 230000001186 cumulative effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
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Abstract
The utility model discloses a kind of many floating body semi-submersible lng floating platforms of ultra-large type, it includes：The upper shell of integral type more than the water surface；Using the upper shell as matrix, the superstructure on the upper shell is built in；Some mass suspensions or the lower floating body for floating in water and being connected by multiple columns with the upper shell, width parallel arrangement of each lower floating body along platform；It is multiple respectively with the upper shell, float downward the column that body phase is connected and is mutually independent；And some struts for being arranged at some or all of lower floating body each between corresponding column；So that each corresponding column is connected as into overall structure along the width of platform by each strut.The utility model combines box and semi-submersible lng floating platform advantage, has the advantages that span large, volume while connecting portion stress problems of too is effectively solved and small, wave force of conducting oneself with dignity is small, safe in stormy waves.
Description
Technical field
The utility model is related to field of ocean engineering, relates particularly to a kind of many floating body semi-submersible lng floatings of ultra-large type
Platform.
Background technology
With economic growth and the increase of population, land resources and space, which seem, to be extremely limited.21 century is comprehensive simultaneously
Develop the epoch into marine economy, very abundant biology, oil and mineral products are contained in the ocean more than global area more than 2/3
Resource etc., at sea build floating platform to promote the exploitations of China marine resources, the rational and efficient use of air space above sea and
Economic sustainable development has extremely far-reaching strategic importance.
Traditional marine reclamation land and draining the method such as encloses and cultivates and not only spends big, long in time limit, but also can destroy ecological ring
The balance in border.Then in recent years, effectively to utilize the various Very large floating structure knots for the purpose of air space above sea and exploitation marine resources
Structure causes the extensive concern in the world.Common Very large floating structure has following several forms, there is box (pontoon bridge type)
(Pontoon type), partly latent water column foot type (Semi-Submersible Column Footing Type) and low ship of partly diving under water
Build (Semi-Submersible Lower Hull Type).Wherein box floating body simple structure, easy to maintenance, is suitably used in
Shallow sea or offshore waters, hydrodynamic performance are poor；The construction of semi-submersible type floating body is more complicated, and drinking water is larger, but its hydrodynamic force
Can be relatively good, suitably it is used in more severe marine environment.In addition, current practice and the mostly modularization mainly studied
Super large floating body, that is, use connector that together, multiple less floating body block combiners are constituted into super large floating body.The one of such floating body
Individual critical defect is that the problem of stress is excessive occur in connecting portion.As can be seen here, super large floating body technology exploration direction needs to set
Count a kind of span large, volume and small, wave force of conducting oneself with dignity is small, safe in stormy waves, in combination with box and partly latent
The advantage of formula, can effectively solve the structure type of connecting portion stress problems of too again.
The content of the invention
In view of the defect that prior art is present, the purpose of this utility model is to provide for a kind of many floating body semi-submersible types of ultra-large type
Floating platform, it combines the advantage of box and semi-submersible type, have while connecting portion stress problems of too is effectively solved across
Spend large, volume and conduct oneself with dignity small, wave force it is small, it is safe in stormy waves the advantages of.
To achieve these goals, the technical solution of the utility model：
A kind of many floating body semi-submersible lng floating platforms of ultra-large type, it is characterised in that including：
The upper shell of integral type more than the water surface；
Using the upper shell as matrix, the superstructure on the upper shell is built in；
Some mass suspensions suspend in water and by multiple columns and floating downward that the upper shell is connected
Body, and width parallel arrangement of each lower floating body along platform；
It is multiple respectively with the upper shell, float downward the column that body phase is connected and is mutually independent；
And some struts for being arranged at some or all of lower floating body each between corresponding column；With by each
Each corresponding column is connected as overall structure by the strut along the width of platform.
Further, as preferred scheme of the present utility model
The span of the platform is preferably placed between 600m~5000m, and its drinking water floated in water is highly not more than institute
State the 1/50 of span.
Further, as preferred scheme of the present utility model
The shape of cross section of the upper shell is preferred to use polygon.
Further, as preferred scheme of the present utility model
The shape of cross section of the lower floating body is preferred to use polygon or ellipse.
Further, as preferred scheme of the present utility model
Each lower floating body dimensions：Its length is the span of platform, and its width is 1/20-the 1/ of the width of platform
2, its height is 2 times of drinking water height to platform full load of drinking water height when platform is unloaded.
Further, as preferred scheme of the present utility model
The volume of 2 times of loaded displacement volumes to platform of displacement of volume when all the cumulative volume of lower floating body is platform zero load
Value.
Further, as preferred scheme of the present utility model
Each column uses same dimensions, and the spacing distance for the two adjacent upright being arranged on same lower floating body
For the distance between 10 times of its maximum gauge to its maximum gauge.
Further, as preferred scheme of the present utility model
The maximum gauge of each column is 50%-the 100% of the lower floating body width.
Further, as preferred scheme of the present utility model
Frustum cone structure that the column is gradually successively decreased from top to bottom by diameter and minimum straight with the frustum cone structure lower end
Footpath is constituted for the cylindrical structure of diameter.
Further, as preferred scheme of the present utility model
Each column is equipped with the circular shim being connected by bracket auxiliary with the junction of lower floating body.
Further, as preferred scheme of the present utility model
The position of the strut lower surface is not less than the top edge of the bracket.
Further, as preferred scheme of the present utility model
The length and its height of the main deck of the superstructure at least span 3/4 with platform are along platform span direction
Gradually change.
Further, as preferred scheme of the present utility model
The height change trend of the superstructure is the variation tendency of stepped distribution.
Further, as preferred scheme of the present utility model
Structural strengthening is carried out at the height change of the superstructure.
Compared with prior art, the beneficial effects of the utility model：
The utility model combines box and semi-submersible type advantage, and such as it is effectively solved by using the overall structure of platform
Connecting portion stress problems of too；Such as by multiple lower float structures along width parallel arrangement and to its volume,
Structure is defined, and makes it in full load, the good hydrodynamic performance with semi-submersible type super large floating body and due to point of lower floating body
The length and width in cloth space is big, quantity multiple features, and it still is able to the enough buoyancy of offer makes the drinking water of platform smaller, so that
The less coastal bay of the depth of water or marine site can be arranged in, the box light-draft advantage of super large floating body is made it have；Another its is gone back
Effectively slow down the percussion and wave of floating ice column to upper casing with the pillar construction form by designing two portions up and down
The vertical slamming effect of body lower surface, improves platform life span and practicality；And by the main deck of superstructure in longitudinal direction
It is upper continuous, and structure is slowly varying at its height change and the design strengthened, it is to avoid serious problem of stress concentration of appearance etc.
Advantage.
Brief description of the drawings
Fig. 1 is main platform body partial schematic diagram described in the utility model；
Fig. 2 is the side structure schematic view of platform described in the utility model；
Fig. 3 is the forward sight structural representation of platform described in the utility model；
Fig. 4 is the partial structural diagram of platform described in the utility model.
In figure：1st, upper shell, 2, lower floating body, 3, column, 4, strut, 5, superstructure, 6, the height change of superstructure
Place, 7, bracket, 8, circular shim, 9, platform winter draft line.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, implement below in conjunction with the utility model
Accompanying drawing in example, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is this
A part of embodiment of utility model, rather than whole embodiments.Based on the embodiment in the utility model, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the utility model protection
Scope.
As shown in FIG. 1 to 3, many floating body semi-submersible lng floating platforms of ultra-large type described in the utility model, it includes：
(1) it is located at the upper shell 1 of the integral type more than water surface, it is used as platform upper structure；Further, it is used as this practicality
New preferred scheme, the upper shell is integral type overall structure, and its shape of cross section is preferred to use polygon, such as Fig. 1~
Fig. 3, the cross sectional shape of the upper shell 1 is rectangle；Further, as preferred scheme of the present utility model, the platform has
Span very big overall structure, its span is preferably placed between 600m~5000m, and its drinking water floated in water is highly relative
It is very small in platform span, i.e., the 1/50 of no more than described span, such as span is 1000m, if meeting pole within 200 years one by Bohai Offshore
Notch wave condition calculating, its span is up to 5~6 wavelength；Therefore the platform is not easy as common ship in wave action
Under topple；Meanwhile, the overall structure of the platform also solves the problem of modular form connecting portion stress is excessive.Enter one
Step, is equal to platform span 1000m, width is equal to berm width as the length of upper shell 1 described in preferred scheme of the present utility model
100m, it is highly very small relative to platform span, should not less than platform span 1/1000 and no more than the 1/ of platform span
100；If height is 2m.
(2) it is matrix with the upper shell 1, is built in the superstructure 5 on the upper shell main deck；Further,
As preferred scheme of the present utility model, the main deck of the superstructure should have suitable length, i.e., it at least has platform
Span 3/4 length, if upper casing body length be 1000m, then the overall length of superstructure be 900m, while superstructure
Span direction of the height along platform gradually consecutive variations, the modulus of section can be included in strength check to realize, it is ensured that
The longitudinal strength of platform.Further, it is rank as the height change trend of superstructure described in preferred scheme of the present utility model
The variation tendency of scalariform distribution；So that the height of the superstructure 5 presses arrangement demand, Bending moment distribution, the intensity requirement of platform
It is slowly varying and strengthen etc. 6 structures at stepped distribution and height change, then serious stress concentration is avoided the occurrence of exemplified by being and is asked
Topic, is required with ensureing that the local strength of platform meets.
(3) some mass suspensions or float in water and be connected by multiple columns 3 with the upper shell
Lower floating body 2, width parallel arrangement of each lower floating body 2 along platform；Further, as preferred side of the present utility model
Case, the lower floating body is preferred to use polygon as the shape of cross section with contact with sea water platform lower structure, the lower floating body
(rectangle) or oval (circle)；And connected thereon between the transverse direction of corresponding each lower floating body column using strut；Enter one
Step, as preferred scheme of the present utility model, the number of the lower floating body is not less than 2, lower floating body edge in the horizontal plane
Berm width direction is arranged in parallel, and the length of distribution space is approximately equal to platform span, and width is approximately equal to berm width；Enter one
Step, as preferred scheme of the present utility model, each lower floating body dimensions is the span that its length is platform, and its width is not
Less than 1/20 and no more than the 1/2 of berm width of berm width, its height not less than platform when unloaded 2 times of drinking water height and
No more than platform full load drinking water height.Further, as preferred scheme of the present utility model, the cumulative volume of whole lower floating bodies
The no more than loaded displacement volume of platform, not less than platform 2 times of displacement of volume when unloaded；Further, as the utility model
Preferred scheme, such as Fig. 2, Fig. 3 and table 1, preferably described lower floating body 2 have 6, wide along platform in plane in the horizontal direction respectively
Spend direction parallel arrangement；The length of the distribution space of lower floating body 2 is 1000m, and the width of distribution space is 100m；And it is described under
The cross section of floating body 2 is rectangle, and long 1000m, wide 10m, high 5m, the cumulative volume of the lower floating body 2 are 300000m3.It is special more than then
Following technical meaning is levied：The cumulative volume of lower floating body 2 is smaller, and is dispersed on the lower floating body 2 of multiple small sizes, can reduce ripple
Effect of the wave load to lower floating body 2；By the cumulative volume for limiting lower floating body 2 so that platform has enough drinking water in zero load, full
Sufficient stability requirement；When platform full load, it is ensured that its water line is higher than lower floating body, is on the less column of water plane area, makes
Platform is provided with the good hydrodynamic performance of semi-submersible type super large floating body；Further, since the length and width of the distribution space of lower floating body 2
Degree is big, quantity is more, and still being able to the enough buoyancy of offer makes the drinking water of platform smaller, so as to be arranged in the less offshore of the depth of water
Bay or marine site, are provided with the box light-draft advantage of super large floating body.
Table 1
(4) multiple columns 3 for being connected and being mutually independent with the upper shell 1, lower floating body 2 respectively；Further, make
For preferred scheme of the present utility model, each column uses same dimensions, and the number of the column is set more very much
Be placed in the spacing distance of the two adjacent upright on same lower floating body be equal to 10 times of its maximum gauge to its maximum gauge between
Distance.Further, as preferred scheme of the present utility model, the section of each column is ellipse, polygon or other
Analogous shape, its maximum gauge is not less than the 1/2 of the lower floating body width, the width of no more than described lower floating body；Further, make
For preferred scheme of the present utility model, such as Fig. 3~Fig. 4, the column 3 is made up of two parts, and part above is diameter from upper
The frustum cone structure gradually successively decreased under, part below is its diameter circle equal with the bottom diameter of upper part frustum cone structure
Rod structure, equal to the 3/5 of lower floating body width, the position of two parts connection should be at the winter draft line 9 of platform up and down.This knot
Configuration formula can slow down the vertical slamming of the percussion and wave of floating ice column to upper shell lower surface and act on.Further,
Cause the junction of each column 3 and lower floating body 2 is equipped with to be aided in by bracket 7 as preferred scheme of the present utility model
The circular shim 8 of connection.
And some struts 4 for being arranged at some or all of lower floating body each between corresponding column 3 (5)；With
Each corresponding column is connected as by overall structure along the width of platform by each strut 4.Further, it is used as this reality
With new preferred scheme, each strut is arranged between each column in berm width direction, and each column is linked to be into an entirety
Structure, the cross section of the strut is for ellipse, polygon or analogous shape in addition, and need not be all in berm width direction
Strut is all set between the column for arranging (descending on floating body), but if setting, just must all be set between horizontal permutation column
Strut；Further, as preferred scheme of the present utility model, the position of the strut lower surface is not less than the top of the bracket
Edge.Further, as preferred scheme of the present utility model, the cross section of the strut 4 is rectangle, is arranged in berm width direction
Column 3 between, column 3 is linked to be an overall structure；And the position of the lower surface of strut 4 is in the bottom bracket 7 of column 3
More than top edge, such construction and arrangement form can play certain pressure wave effect.Every 3 row columns, 1 row strut is set,
Column is linked to be an entirety, to ensure the transverse strength of platform.
It is described above, only the utility model preferably embodiment, but protection domain of the present utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model is disclosed, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover protection domain of the present utility model it
It is interior.
Claims (10)
1. a kind of many floating body semi-submersible lng floating platforms of ultra-large type, it is characterised in that including：
The upper shell of integral type more than the water surface；
Using the upper shell as matrix, the superstructure on the upper shell is built in；
The lower floating body that some mass suspensions are connected in water and by multiple columns with the upper shell, and cause each institute
Lower floating body is stated by the width parallel arrangement along platform；
It is multiple respectively with the upper shell, float downward the column that body phase is connected and is mutually independent；
And some struts for being arranged at some or all of lower floating body each between corresponding column；With by each described
Each corresponding column is connected as overall structure by strut along the width of platform.
2. platform according to claim 1, it is characterised in that：
The span of the platform is preferably placed between 600m~5000m, and its float over drinking water in water be highly not more than it is described across
The 1/50 of degree.
3. platform according to claim 1, it is characterised in that：
Each lower floating body dimensions is the span that its length is platform, and its width is 1/20-the 1/2 of the width of platform, its
It is highly 2 times of drinking water height to platform full load of platform drinking water height when unloaded.
4. platform according to claim 1, it is characterised in that：
The bulking value of 2 times of loaded displacement volumes to platform of displacement of volume when all the cumulative volume of lower floating body is platform zero load.
5. platform according to claim 1, it is characterised in that：
Each column use same dimensions, and the two adjacent upright being arranged on same lower floating body spacing distance for etc.
In the distance between 10 times of its maximum gauge to its maximum gauge.
6. platform according to claim 1, it is characterised in that：
The maximum gauge of each column is 50%-the 100% of the lower floating body width.
7. platform according to claim 1, it is characterised in that：
Frustum cone structure that the column is gradually successively decreased from top to bottom by diameter and using frustum cone structure lower end minimum diameter as
The cylindrical structure of diameter is constituted.
8. platform according to claim 1, it is characterised in that：
Each column is equipped with the circular shim being connected by bracket auxiliary with the junction of lower floating body.
9. platform according to claim 8, it is characterised in that：
The position of the strut lower surface is not less than the top edge of the bracket.
10. platform according to claim 1, it is characterised in that：
The length of the main deck of the superstructure at least span 3/4 with platform, and be on longitudinal direction in its height direction
With the height change trend gradually changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329046.9U CN206485531U (en) | 2016-12-06 | 2016-12-06 | A kind of many floating body semi-submersible lng floating platforms of ultra-large type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329046.9U CN206485531U (en) | 2016-12-06 | 2016-12-06 | A kind of many floating body semi-submersible lng floating platforms of ultra-large type |
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| Publication Number | Publication Date |
|---|---|
| CN206485531U true CN206485531U (en) | 2017-09-12 |
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ID=59769186
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329046.9U Expired - Fee Related CN206485531U (en) | 2016-12-06 | 2016-12-06 | A kind of many floating body semi-submersible lng floating platforms of ultra-large type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428447A (en) * | 2016-12-06 | 2017-02-22 | 大连理工大学 | Ultra-large type multi-floating-body semi-submersible floating platform |
-
2016
- 2016-12-06 CN CN201621329046.9U patent/CN206485531U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106428447A (en) * | 2016-12-06 | 2017-02-22 | 大连理工大学 | Ultra-large type multi-floating-body semi-submersible floating platform |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20181206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |