CN106741697A - A kind of semisubmersible platform - Google Patents
A kind of semisubmersible platform Download PDFInfo
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- CN106741697A CN106741697A CN201710009730.1A CN201710009730A CN106741697A CN 106741697 A CN106741697 A CN 106741697A CN 201710009730 A CN201710009730 A CN 201710009730A CN 106741697 A CN106741697 A CN 106741697A
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- Prior art keywords
- connecting rod
- platform
- ballast tank
- latch segment
- semisubmersible platform
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/442—Spar-type semi-submersible structures, i.e. shaped as single slender, e.g. substantially cylindrical or trussed vertical bodies
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to marine floating type platform technology field, more particularly to a kind of semisubmersible platform, including lower floating body, the connecting rod also including the ballast tank with accommodating ballast cabin and connection ballast tank and lower floating body, ballast tank is oppositely arranged and positioned at the lower section of lower floating body with body of floating downward.The heaving that can be effectively increased platform by ballast tank is damped, its heaving response is reduced, makes platform that there is more preferable heaving performance, so as to increase the effective operation time of platform, platform is set to disclosure satisfy that the economic benefit that platform operations are improved using the requirement of dry type tree.Meanwhile, the center of gravity of platform can be effectively reduced by ballast tank, make platform that there is more preferable stability, so as to improve the work capacity of platform.
Description
Technical field
The present invention relates to marine floating type platform technology field, more particularly to a kind of semisubmersible platform.
Background technology
Marine floating type platform is one of important equipment of offshore and gas development, and common marine floating type Platform Type has four
Kind:Ship type platform, semisubmersible platform, tension leg type platform and open side type platform.Wherein, semisubmersible platform is also known as column stable
Platform, is a kind of mobile platform commonly used during exploratory engineering of off-shore petroleum/gas reservoir is developed.Semisubmersible platform is by platform body, positioned at platform sheet
The column of lower floating body, connecting platform body and lower floating body below body and some connection stull diagonal brace compositions.
The characteristics of there is semisubmersible platform small-waterplane-area to accumulate, vertical hydrostatic reply rigidity is smaller, therefore heaving performance
Poor, its larger heaving can influence the normal operation of standpipe.Therefore in storm season, semisubmersible platform must not be infrequently
Ground interruption operation, or even frees standpipe, treats that tieback riser restarts operation again again after storm.This shortcoming is greatly reduced
The effective operation time of semisubmersible platform, is added significantly to operating cost.
If the heaving response of semisubmersible platform can be reduced, its effective operation time can be increased.If heaving can be rung
Sufficiently small scope should be reduced to, dry type tree can also be used, this will be greatly reduced installation and maintenance cost, improve platform
The economic benefit of operation.
Semisubmersible platform, due to often suffering from severe environmental conditions, is the component for preventing wave from damaging on deck, is led to
Normal deck plane to the water surface distance all than larger, so as to cause drilling derrick, life building, plant equipment, the brill carried on deck
The center of gravity of the changing loads such as tool, brill material, preventer group is all higher, so the stability of semisubmersible platform is generally poor.
If the height of C.G. of semisubmersible platform can be reduced, its stability can be increased, so as to improve the operation energy of platform
Power.
Therefore, it is necessary to according to the actual demand of oil-gas mining, development is hung low and swings the semisubmersible platform technological development of response.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of semi-submersible type with smaller heaving response, preferable platform stability
Platform, to overcome the drawbacks described above of prior art.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that:A kind of semisubmersible platform, including float downward
Body, also including the ballast tank with accommodating ballast cabin and connection ballast tank and lower floating body connecting rod, ballast tank with float downward
Body is oppositely arranged and positioned at the lower section of lower floating body.
Preferably, dividing plate is provided with ballast tank, accommodating ballast cabin is separated into multiple cuddies by dividing plate.
Preferably, the standpipe limiter for limiting standpipe horizontal movement is provided with ballast tank, standpipe limiter is provided with
Multiple is used to intert the interspersed through hole of single standpipe, and ballast tank is provided with many with what the interspersed through holes of multiple were corresponded and were connected
Individual through hole.
Preferably, connecting rod compartment of terrain is provided with multiple, is connected by least one of which horizontal support structure between multiple connecting rods
Connect, horizontal support structure includes multiple horizontal support bars of level connection joint multiple connecting rod.
Preferably, lower floating body is provided with a support base, and support base is provided with elevating mechanism, and elevating mechanism is upper with connecting rod
End connection simultaneously being capable of drive connection bar up and down motion.
Preferably, the outer peripheral face of connecting rod upper end is provided with vertically extending tooth bar;Elevating mechanism includes being located at
At least one drive component on support base, each drive component includes the motor, decelerator and the gear that are sequentially connected, gear
It is meshed with tooth bar.
Preferably, support base is provided with the retaining mechanism that can clamp or be disconnected bar.
Preferably, retaining mechanism includes at least two latch assemblies on support base, and all latch assemblies are along connection
The circumference of bar is equally spaced around connecting rod;Each latch assembly includes the latch segment being oppositely arranged with connecting rod
And be connected with latch segment and drive the first expansion link of latch segment horizontal movement.
Preferably, the outer peripheral face of connecting rod upper end is provided with vertically extending tooth bar, and latch segment is towards connecting rod
One side be provided with the gear teeth that can be meshed with tooth bar;Each latch assembly also includes being connected with latch segment and drives latch segment
The second expansion link for moving up and down.
Preferably, each latch assembly also includes the extensible member being oppositely arranged with latch segment, and extensible member has extended
The telescopic end offseted with latch segment.
Compared with prior art, the present invention has significant progressive:
Semisubmersible platform of the invention connects ballast tank in the lower section of lower floating body, and platform can be effectively increased by ballast tank
Heaving damping, reduce its heaving response, make platform that there is more preferable heaving performance, so as to increase the effective operation of platform
Time, platform is set to disclosure satisfy that the economic benefit that platform operations are improved using the requirement of dry type tree.Meanwhile, by ballast
Cabin can effectively reduce the center of gravity of platform, platform is had more preferable stability, so as to improve the work capacity of platform.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the semisubmersible platform of the embodiment of the present invention.
Fig. 2 is the schematic front view of the semisubmersible platform of the embodiment of the present invention.
Fig. 3 is the schematic top plan view of the semisubmersible platform of the embodiment of the present invention.
Fig. 4 is the schematic top plan view of the ballast tank of the semisubmersible platform of the embodiment of the present invention.
Fig. 5 is the structural representation of the elevating mechanism of the semisubmersible platform of the embodiment of the present invention.
Fig. 6 is the schematic diagram when retaining mechanism of the semisubmersible platform of the embodiment of the present invention is disconnected bar.
Schematic diagram when Fig. 7 is the retaining mechanism clamping connecting rod of the semisubmersible platform of the embodiment of the present invention.
In figure:
1st, ballast tank 100, cuddy 101, groove
102nd, through hole 2, connecting rod 3, horizontal support bar
4th, lower floating body 5, column 6, support base
7th, dividing plate 8, reinforcement 9, tooth bar
10th, motor 11, decelerator 12, gear
13rd, latch segment 14, the first expansion link 15, gear teeth
16th, the second expansion link 17, extensible member
Specific embodiment
Specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings.These implementation methods are only used for
Illustrate the present invention, and not limitation of the present invention.
In the description of the invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of and describes the present invention and simplify to describe, rather than instruction or dark
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative
Importance.In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;Can
Being to mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, above-mentioned term can as the case may be understood
Concrete meaning in the present invention.
Additionally, in the description of the invention, unless otherwise indicated, " multiple " is meant that two or more.
As shown in Figures 1 to 7, a kind of embodiment of semisubmersible platform of the invention.As shown in Figure 1 to Figure 3, the present embodiment
Semisubmersible platform include lower floating body 4, ballast tank 1 and connecting rod 2.Wherein, lower floating body 4 passes through column 5 and platform body (in figure
It is not shown) connection, and lower floating body 4 is located at the lower section of platform body.Ballast tank 1 has accommodating ballast cabin, and the ballast holds
Cabin is received for holding ballast, ballast can be seawater, or other materials.Ballast tank 1 is relative with lower floating body 4 to be set
Put and positioned at the lower section of lower floating body 4, the connection ballast tank 1 of connecting rod 2 connects with lower floating body 4, the i.e. upper end of connecting rod 2 with lower floating body 4
Connect, the lower end of connecting rod 2 is connected with ballast tank 1.
The semisubmersible platform of the present embodiment connects ballast tank 1 in the lower section of lower floating body 4, can effectively be dropped by ballast tank 1
The center of gravity of low platform, makes platform have more preferable stability, so as to improve the work capacity of platform.Meanwhile, can by ballast tank 1
The heaving damping of platform is effectively increased, its heaving response is reduced, makes platform that there is more preferable heaving performance, so as to increase flat
The effective operation time of platform, makes platform disclosure satisfy that the economic benefit that platform operations are improved using the requirement of dry type tree.
Further, in the present embodiment, the compartment of terrain of connecting rod 2 is provided with multiple, and at least one of which is passed through between multiple connecting rods 2
Horizontal support structure is connected, and horizontal support structure includes multiple horizontal support bars 3 of level connection joint multiple connecting rod 2.Such as Fig. 1 institutes
Show, in the present embodiment, 4 one-tenth of lower floating body is in hollow rectangular ring, and ballast tank 1 is rectangular, and connecting rod 2 is provided with four, four companies
Four corners of the upper end of extension bar 2 respectively in the inner side of lower floating body 4 are connected with lower floating body 4, and the lower end of four connecting rods 2 exists respectively
It is connected with ballast tank 1 on four angles of ballast tank 1.Horizontal support bar 3 is provided with four, and four difference levels of horizontal support bar 3 connect
Two adjacent connecting rods 2 are connect, and four horizontal support bars 3 are located in same level, constitute one layer of horizontal support structure.By
This can increase the stability connected between lower floating body 4 and ballast tank 1, so as to increase the stability of platform, reduce the heaving of platform
Response.For make platform stability more preferably, heaving response it is lower, multiple-layer horizontal supporting construction can be set between connecting rod 2.When
So, the shape of lower floating body 4 and ballast tank 1, the quantity of connecting rod 2 and horizontal support bar 3, the number of plies of horizontal support structure not offices
It is limited to the present embodiment, can be configured according to the platform of practical application.
In order to further improve the stability of platform, as shown in figure 4, in the present embodiment, dividing plate 7 is provided with ballast tank 1, every
The accommodating ballast cabin of ballast tank 1 is separated into multiple cuddies 100 by plate 7.Ballast is held respectively in multiple cuddies 100
Thing, can make ballast be more evenly distributed in the accommodating ballast cabin of ballast tank 1, so as to more effectively reduce the weight of platform
The heart, the stability for increasing platform.Further, the present embodiment is equipped with reinforcement 8 on the bulkhead of each cuddy 100, to increase
Intensity.Preferably, the accommodating ballast cabin of ballast tank 1 is divided into multiple cuddies 100 by dividing plate 7, i.e. each cuddy 100
It is equal in magnitude.The quantity of cuddy 100 is not limited to, and can be configured according to the actual size of ballast tank 1, for example,
In the present embodiment, the accommodating ballast cabin of ballast tank 1 is divided into nine cuddies 100 by dividing plate 7.
Further, semisubmersible platform is provided with the standpipe of insertion operating area, and standpipe is provided with many, to prevent many standpipes
Collided in operation process, the present embodiment is provided with the standpipe limiter for limiting standpipe horizontal movement on ballast tank 1
(not shown), standpipe limiter is provided with multiple interspersed through holes for interting single standpipe, and ballast tank 1 is provided with multiple and passes through
Through hole 102, all of through hole 102 is corresponded and is connected with all of interspersed through hole so that standpipe can pass through standpipe
Limiter and ballast tank 1 and go deep into operating area.Every standpipe is inserted in an interspersed through hole and corresponding insertion respectively
In hole 102, so that multiple standpipe is separated from each other, while also limit the horizontal movement of standpipe, it is to avoid standpipe is because of level
Move and mutually collide.Preferably, standpipe limiter is arranged on the center of ballast tank 1.In the present embodiment, in ballast tank 1
Upper surface center position, i.e., fluted 101 are being opened up on the cuddy 100 of center, in the bottom wall of groove 101
On offer through hole 102, standpipe limiter is then placed in groove 101.Thus positioning action can be played to standpipe limiter,
Standpipe limiter is prevented to be subjected to displacement.Intert through hole in the quantity and ballast tank 1 of through hole on the present embodiment neutral tube limiter
102 quantity is not limited to, can be configured according to the quantity of practical application neutral tube.Preferably, all of interspersed through hole
The array distribution on standpipe limiter, the array distribution on ballast tank 1 of all of through hole 102.
The quantity of ballast tank 1 is not limited in the present invention, setting that can be as shown in this embodiment, it is also possible at this
One or more ballast tank is set up in the lower section of ballast tank 1 of embodiment again, and platform center of gravity, increase platform are reduced to further function as
The effect of heaving damping.
Further, it is the operating water depth scope of increase platform, in the present embodiment, lower floating body 4 is provided with a support base 6,
Support base 6 is provided with elevating mechanism, elevating mechanism be connected with the upper end of connecting rod 2 and can drive connection bar 2 move up and down.It is logical
The up and down motion for crossing connecting rod 2 drives ballast tank 1 to move up and down, such that it is able to adjust the upper-lower position of ballast tank 1, therefore in water
During deep larger region job, can be by the center of gravity that reduces the position of ballast tank 1 to reduce platform, so that platform is in the depth of water
Larger region can also keep good stability, thereby increase the operating water depth scope of platform, extend the operation energy of platform
Power.
Elevating mechanism in the present embodiment drive connection bar 2 by way of rack pinion moves up and down.Specifically,
As shown in figure 5, the outer peripheral face of the upper end of connecting rod 2 is provided with vertically extending tooth bar 9, elevating mechanism is included located at support
At least one drive component on seat 6, each drive component includes the motor 10, decelerator 11 and the gear 12 that are sequentially connected,
Gear 12 is meshed with tooth bar 9.Rotated by the drive gear 12 of motor 10, it is real with the transmission between gear 12 and tooth bar 9
Existing connecting rod 2 moves up and down.The rotating speed of gear 12 can be adjusted by decelerator 11, so as to control what connecting rod 2 moved up and down
Speed, and then adjust the control underwater depth of ballast tank 1.Support base 6 in the present embodiment is provided with four, four support bases 6
Four corners of the inner side of lower floating body 4 are separately positioned on, are respectively used to drive four connecting rods 2 to move up and down.Each support base 6
On be equipped with four drive components, four drive components drive a connecting rod 2 to move simultaneously.Certainly, the quantity of support base 6 and
The quantity of drive component is not limited to the present embodiment, can be configured according to the quantity of connecting rod 2 and size.
Further, for realize connecting rod 2 move up and down in place after be locked, the present embodiment is provided with support base 6
Can clamp or be disconnected the retaining mechanism of bar 2.When retaining mechanism departs from connecting rod 2, connecting rod 2 can be in elevating mechanism
Driving under move up and down, after connecting rod 2 moves up and down in place, by retaining mechanism clamp connecting rod 2, it is possible to achieve connection
The positioning of bar 2, prevents the connecting rod 2 in operation process to be subjected to displacement.
As shown in Figure 6 and Figure 7, the retaining mechanism of the present embodiment includes at least two latch assemblies on support base 6,
All latch assemblies are equally spaced around connecting rod 2 along the circumference of connecting rod 2, and each latch assembly includes and connects
Latch segment 13 that extension bar 2 is oppositely arranged and it is connected with latch segment 13 and drives the first expansion link 14 of the horizontal movement of latch segment 13.
As shown in fig. 6, when the first expansion link 14 is retracted, latch segment 13 leaves connecting rod 2 so that connecting rod 2 can be in elevating mechanism
Drive lower up and down motion.As shown in fig. 7, when the first expansion link 14 stretches out, driving latch segment 13 to be moved towards connecting rod 2, make locking
Block 13 is pressed in connecting rod 2, and by the compressing jointly to connecting rod 2 of latch segment 13 of multiple latch assemblies, it is right to realize
The clamping action of connecting rod 2, limits the upper and lower displacement of connecting rod 2, plays a part of fixed connecting rod 2.When need adjust ballast
During 1 underwater depth of cabin, the first expansion link 14 is retracted, drive latch segment 13 to move and be disconnected bar 2, you can by rising
Descending mechanism drive connection bar 2 moves up and down and realizes the regulation of the upper-lower position of ballast tank 1.The quantity of latch assembly is simultaneously in the present embodiment
Do not limit to, two or more can be set.The first expansion link 14 in the present embodiment can be cylinder or hydraulic cylinder
Or electric pushrod.
Further, it is to strengthen latch segment 13 to the clamping effect of connecting rod 2, it is preferable that the court of latch segment 13 of the present embodiment
The gear teeth 15 that can be meshed with the tooth bar 9 of the upper end of connecting rod 2 are provided with to the one side of connecting rod 2, each latch assembly is also wrapped
Include and the second expansion link 16 that latch segment 13 moves up and down is connected and driven with latch segment 13.When the first expansion link 14 stretches out drive lock
Tight block 13 towards connecting rod 2 move when, the second expansion link 16 stretches out drive latch segment 13 and is moved upwardly or downwardly, regulation latch segment 13
Upper-lower position so that when latch segment 13 is contacted with connecting rod 2, the gear teeth 15 on latch segment 13 can be with the tooth in connecting rod 2
Bar 9 is meshed, so that latch segment 13 and connecting rod 2 are relatively fixed in the vertical direction.Thus, it is possible to effectively enhancing locking
Clamping action of the block 13 to connecting rod 2.The second expansion link 16 in the present embodiment can be cylinder or hydraulic cylinder or electronic
Push rod.
Further, keep fixing in operation process to be further ensured that connecting rod 2, it is preferable that each of the present embodiment
Latch assembly also includes the extensible member 17 being oppositely arranged with latch segment 13, and extensible member 17 offsets with extended with latch segment 13
The telescopic end held.Stretched out in place in the first expansion link 14 and the second expansion link 16, after latch segment 13 is matched for clamping tightly connecting rod 2,
The telescopic end of extensible member 17 stretches out and is pressed on latch segment 13, plays a part of fixed locking block 13.The present embodiment is in locking
The top of block 13, lower section and the side away from connecting rod 2 are equipped with extensible member 17, can be total to when all of extensible member 17 stretches out
With latch segment 13 is gripped, so as to ensure the fixation of latch segment 13 and connecting rod 2.Extensible member 17 in the present embodiment is very heavy
Top.Certainly, the form of the quantity of extensible member 17 is not limited to the present embodiment.
In sum, the semisubmersible platform of the present embodiment, by connecting ballast tank 1, the ballast tank 1 below lower floating body 4
Have the function of heave plate concurrently, effectively reduce the heaving response of platform, platform is provided with more preferable heaving performance, can meet and adopt
With the requirement of dry type tree.Meanwhile, the ballast tank 1 effectively reduces platform center of gravity, make platform be provided with more preferable stability and
Work capacity.Additionally, by the up and down motion of connecting rod 2 ballast tank 1 can be driven to lift, platform is set to be provided with wider array of operation water
Deep scope.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and replacement can also be made, these improve and replace
Also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of semisubmersible platform, including lower floating body (4), it is characterised in that also including the ballast with accommodating ballast cabin
Cabin (1) and the connecting rod (2) of the connection ballast tank (1) and the lower floating body (4), the ballast tank (1) and the lower floating body
(4) it is oppositely arranged and positioned at the lower section of the lower floating body (4).
2. semisubmersible platform according to claim 1, it is characterised in that is provided with dividing plate (7), institute in the ballast tank (1)
State dividing plate (7) and the accommodating ballast cabin is separated into multiple cuddies (100).
3. semisubmersible platform according to claim 1, it is characterised in that be provided with for limiting on the ballast tank (1)
The standpipe limiter of standpipe horizontal movement, the standpipe limiter is provided with multiple for interting the interspersed logical of the single standpipe
Hole, the ballast tank (1) is provided with the multiple through holes (102) for corresponding and being connected with the multiple interspersed through hole.
4. semisubmersible platform according to claim 1, it is characterised in that connecting rod (2) compartment of terrain is provided with multiple, institute
State and connected by least one of which horizontal support structure between multiple connecting rods (2), the horizontal support structure includes level connection joint
Multiple horizontal support bars (3) of the multiple connecting rod (2).
5. semisubmersible platform according to claim 1, it is characterised in that the lower floating body (4) is provided with a support base
(6), the support base (6) is provided with elevating mechanism, and the elevating mechanism is connected and can drive with the upper end of the connecting rod (2)
The dynamic connecting rod (2) moves up and down.
6. semisubmersible platform according to claim 5, it is characterised in that set on the outer peripheral face of connecting rod (2) upper end
There is vertically extending tooth bar (9);The elevating mechanism includes at least one driving group on the support base (6)
Part, each described drive component includes the motor (10), decelerator (11) and the gear (12) that are sequentially connected, the gear (12)
It is meshed with the tooth bar (9).
7. semisubmersible platform according to claim 5, it is characterised in that the support base (6) be provided with can clamp or
Depart from the retaining mechanism of the connecting rod (2).
8. semisubmersible platform according to claim 7, it is characterised in that the retaining mechanism includes being located at the support base
(6) at least two latch assemblies on, all latch assemblies are equally spaced in institute along the circumference of the connecting rod (2)
State around connecting rod (2);Each described latch assembly include the latch segment (13) that is oppositely arranged with the connecting rod (2) and
First expansion link (14) of the latch segment (13) horizontal movement is connected and driven with the latch segment (13).
9. semisubmersible platform according to claim 8, it is characterised in that set on the outer peripheral face of connecting rod (2) upper end
Have a vertically extending tooth bar (9), the latch segment (13) towards the one side of the connecting rod (2) be provided with can with it is described
The gear teeth (15) that tooth bar (9) is meshed;Each described latch assembly also includes being connected with the latch segment (13) and drives institute
State second expansion link (16) of latch segment (13) up and down motion.
10. semisubmersible platform according to claim 8, it is characterised in that each described latch assembly also includes and institute
The extensible member (17) that latch segment (13) is oppositely arranged is stated, the extensible member (17) offsets with extended with the latch segment (13)
The telescopic end held.
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CN201710009730.1A CN106741697A (en) | 2017-01-06 | 2017-01-06 | A kind of semisubmersible platform |
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CN107082390A (en) * | 2017-06-26 | 2017-08-22 | 上海海事大学 | Semisubmersible platform production tree transfers guider |
CN109823484A (en) * | 2019-01-18 | 2019-05-31 | 中国海洋石油集团有限公司 | A kind of floating box structure inhibiting platform heaving |
CN114932983A (en) * | 2022-06-16 | 2022-08-23 | 中国华能集团清洁能源技术研究院有限公司 | Floating type photovoltaic platform on sea |
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