CN107140139A - A kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform - Google Patents
A kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform Download PDFInfo
- Publication number
- CN107140139A CN107140139A CN201710368775.8A CN201710368775A CN107140139A CN 107140139 A CN107140139 A CN 107140139A CN 201710368775 A CN201710368775 A CN 201710368775A CN 107140139 A CN107140139 A CN 107140139A
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- China
- Prior art keywords
- anticollision
- buoyancy tank
- collision
- platform
- prevention device
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- 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.)
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
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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
- B63B43/00—Improving safety of vessels, e.g. damage control, not otherwise provided for
- B63B43/18—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage
- B63B2043/185—Improving safety of vessels, e.g. damage control, not otherwise provided for preventing collision or grounding; reducing collision damage using shock absorbing telescoping buffers
Abstract
The invention discloses a kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform, including anticollision device, collision-prevention device and float-plane version platform, anticollision device, collision-prevention device and float-plane version platform connect to form cyclic structure by connector, cyclic structure is enclosed on the column of ultra deepwater drilling platform, the anticollision device, collision-prevention device includes and is provided with energy-absorbing component on anticollision buoyancy tank, the anticollision buoyancy tank.The composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform of the present invention, because the main body of anticollision device, collision-prevention device is anticollision buoyancy tank unit, its cross-sectional cross sectional shape is right-angled trapezium, reduces the positive impact transmitted after ship collision.Itself can provide enough buoyancy, power need not be additionally provided it is fixed on column and be hit position face to face, also without any supplementary structure is installed additional to ultra deepwater drilling platform column to coordinate the installation of anticollision device, collision-prevention device to fix, economic new, the good advantage of applicability is embodied.
Description
Technical field
The present invention relates to the composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform, belong to ocean engineering technology neck
Domain.
Background technology
With deepening constantly that the mankind utilize to petrol resources exploitation, oil-gas exploration and development be successfully transferred to from land it is coastal simultaneously
Move towards deep-sea.When existing petroleum reserves exploitation ratio is continuously increased, new petroleum resources are explored just extremely urgent.And ultra-deep-water
Drilling platforms, its main production facility exploited as deep-sea oil has just shouldered this important task.
The basic facility that ocean platform is developed as offshore petroleum resources, is chronically at complicated severe marine environment.
Remove outside normal service load and environmental load, ocean platform also when be subjected to the loads such as contingency load such as ship collision
Effect.In this case, thing followed catastrophic failure would be possible to occur, and these accidents are to offshore platform structure, life
Life property and environmental pollution will cause serious consequence difficult to the appraisal.Therefore, marine structure from occur so far, its security one
It is directly the important issue that people extremely pay close attention to, and the intensity of structure in the state of accident determines ultra deepwater drilling platform in generation
Survival ability when accident or accident, is also one of important indicator of representative structure security.Multi-functional formula seagoing tender with
The near of ocean platform by operation is common operator scheme in ocean engineering, in job engineering, because manual operation is improper etc.
Reason, supply vessel is possible to hit ocean platform with certain speed.Obviously, when ultra deepwater drilling platform is in working condition,
Column near platform drinking water is the key position stood in the breach.It will make when supply vessel impact reaches certain value
There is cut so as to triggering catastrophic effect in platform column, gently then loses tens thousand of members, heavy then casualties, loss with it is millions of,
Tens million of or even multi-million dollar meter, substantial amounts of indirect loss is even more to be difficult to estimate.Therefore, just should be by this in structured design phase
A little accidents are taken into account to reduce the adverse effect that these accidents are brought as far as possible.Put down simultaneously for the ocean that delivered is runed
Platform is also necessary to be considered this contingency accident and makes corresponding precautionary measures.
To meet the need for ultra deepwater drilling platform safety reliably carries out oil exploration operation, it is necessary to flat in ultra-large type
Platform column be easily impacted region install additional a kind of energy-absorbing effect it is obvious, it is economical it is new, be easily assembled dismounting, anticollision reliably floats
Formula anticollision device, collision-prevention device.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of suitable for ultra deepwater drilling
The composite floating box anticollision device, collision-prevention device of platform, with energy-absorbing effect substantially, it is economical it is new, be easily assembled dismounting, easy later stage repair and maintenance,
The advantages of anticollision is reliable.
Technical scheme：In order to solve the above technical problems, a kind of combined type suitable for ultra deepwater drilling platform of the present invention
Buoyancy tank anticollision device, collision-prevention device, including anticollision device, collision-prevention device and float-plane version platform, anticollision device, collision-prevention device and float-plane version platform connect to be formed by connector
Cyclic structure, cyclic structure is enclosed on the column of ultra deepwater drilling platform, and the anticollision device, collision-prevention device includes anticollision buoyancy tank, the anticollision
Energy-absorbing component is installed on buoyancy tank.
Preferably, the cyclic structure is quadrilateral structure, anticollision buoyancy tank comprising column it is positive by hit face to face first
Anticollision buoyancy tank unit, column are oblique by hitting the second anticollision buoyancy tank unit face to face and threeth anticollision adjacent with float-plane version platform is floated
Box unit, the first anticollision buoyancy tank unit is located between the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit, three proofings
Buoyancy tank unit is hit to be connected with float-plane version platform.
Preferably, in the first anticollision buoyancy tank unit, the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit
It is divided into by dividing plate in several nacelles, nacelle and is filled with rubber granule or haydite, it is uniform in the outside and inner side of anticollision buoyancy tank
High energy-absorbing composite is equipped with, flexible high power-absorbing is arranged on the high energy-absorbing composite of inner side.
Preferably, the high energy-absorbing composite is carbon fibre reinforced composite or glass fiber reinforced composite material
Material.
Preferably, the flexible high power-absorbing is damping piece or carbon fibre reinforced composite or glass fiber reinforcement
Composite.
Preferably, the float-plane version platform includes float-plane version platform deck, floating drum and bridge, the float-plane version platform first
Floating drum is provided with by bridge on plate, the end of floating drum is provided with vertical bulkhead, and vertical bulkhead passes through connector and anticollision device, collision-prevention device
Connection.
Connected preferably, the float-plane version platform is included between several ball floats, ball float by connecting rope, ball float passes through
Connecting rope is connected with anticollision buoyancy tank.
Preferably, the lower end of the anticollision buoyancy tank is wide, upper end is narrow, the cross section of anticollision buoyancy tank is right-angled trapezium shape.
Preferably, the first anticollision buoyancy tank unit, the two of the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit
End is equipped with trip or neck, and the first anticollision buoyancy tank unit and the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit pass through card
Tenon is connected with neck
In the present invention, the ultra deepwater drilling platform column is hit refers on the outside of column face to face, by hitting what the back side referred to
It is to be located on the inside of column between ultra deepwater drilling platform upper hull and stull.Put down by counting conventional ship with ultra deepwater drilling
The region that platform collision accident occurs finds, under platform operations operating mode by ship impact site substantially all on the outside of column, because
It is that anticollision design focal point pays close attention to position, it is necessary to set corresponding anticollision device, collision-prevention device on the outside of this column.And column is hit the back side and occurs ship
Oceangoing ship collision accident does not almost have, therefore is fitted without the necessity of anticollision buoyancy tank, and the position is between upper hull and stull,
If installing the anticollision buoyancy tank large-scale with identical on the outside of column, when at sea closing up with being carried out installation by the anticollision buoyancy tank hit face to face
Also many limitations will be had so that installation difficulty is big.Certain relative position is in face to face to ensure anticollision buoyancy tank and column by hitting
Put, the present invention proposes that being hit the back side in ultra deepwater drilling platform column sets float-plane version platform or other small-sized floating structures simultaneously
It is flexibly connected, is looped around with certain position around column with anticollision buoyancy tank.
In the present invention, the anticollision buoyancy tank is that close wall type buoyancy tank can voluntarily float on the surface, and it is hit face to face with column
Outside plate it is relative, by multiple anti-collision units, the connection component of each anti-collision unit of connection and the packing material being filled in inside buoyancy tank
Composition, the anti-collision unit, its stereochemical structure face relative with column is straight wall, and outside is to have constant slope, at right angles
Trapezoidal " top is small, and bottom is big ", it is to avoid ship collision straight wall wall simultaneously effectively disperses ship collision and made a concerted effort.Anti-collision unit it
Between be provided with mutually engageable bayonet socket, have the connection otic placode for reinforcing the connection of buoyancy tank unit near bayonet socket, top certain position is provided with
Adjust weighted regions, access hole and the fill orifice that buffering energy-absorbing material is filled for second layer separation of buoyancy tank drinking water, the counterweight
Region is balancing weight layout area, and the balancing weight can select water tank or iron block etc..Side bonds have certain thickness inside and outside anti-collision unit
The composite of degree, inside is set to two layers, is set up multiple separations separately by halfpace and bulkhead, is counted from the bottom up, second layer separation
Between leave the access path that is communicated with access hole and the fill orifice of buffering energy-absorbing material filled for one layer of separation.The bayonet socket has been
The full trip or neck for running through buoyancy tank unit, material is hull steel or fiberglass, and its cross sectional shape is outer narrow inner width, compound section
Upper is up big and down small.Larger buoyancy tank unit is fixed during assembling first, then vertically insertion is therewith by less buoyancy tank unit
The neck of correspondence position, makes adjacent floating box unit auto lock and is linked to be around ultra deepwater drilling platform on the buoyancy tank unit end face matched somebody with somebody
Column is by hitting overall structure face to face, so as to ensure that anticollision buoyancy tank unit both can the prefabricated and live quick assembling of branch mailbox and after breaking
Split maintenance to change, anticollision floating box structure unit can again relied on and transmitting portions impact each other.
In the present invention, the anticollision buoyancy tank energy-absorbing component is divided into multiple tracks energy-absorbing component, sees, wraps along buoyancy tank outside to inner side
Include and be arranged in the certain thickness high energy-absorbing composite in outside in anti-collision unit, the packing material being filled in inside buoyancy tank and setting
The flexible high power-absorbing of sheet on the inside of buoyancy tank.The high energy-absorbing composite in the outside is carbon fibre reinforced composite
(CFRP) or glass fibre reinforced composion (GFRP), it is as the first line of defence of anticollision, and thickness parameter should be according to collision
Energy dissipation calculating method is determined that it is generally the larger metal structure of rigidity to be directed on the outside of buoyancy tank on the outside of conventional anticollision buoyancy tank, both
The structural damage for reducing ship collision position can absorb part impact energy again.The packing material is the rubber granule or pottery reclaimed
The coefficient of frictions such as grain are larger, the obvious light material of energy-absorbing effect, and it, as the second defence line of anticollision, is that main impact energy is inhaled
Receipts source, absorbs most of impact energy, the stroke speed of ship is declined to a great extent.Certain thickness high energy-absorbing is answered on the outside of the buoyancy tank
Condensation material is identical with material outside, and it is relative face to face with being hit as the three lines of defence of anticollision, is straight wall structure, column
Hit and play important protective effect face to face.The high absorption cell of sheet-like flexible being arranged in anticollision buoyancy tank interior sidewall surface for elasticity compared with
Big damping piece or high energy-absorbing composite identical with outside in anticollision buoyancy tank, after the larger impact of ship is hit, first with
Platform column outside plate is contacted, and is slowed down anticollision buoyancy tank and is directly hit with platform column.
In the present invention, the float-plane version platform, whole height is no more than 3 meters, comprising multiple platform units, by slender type
Column type floating drum, bridge and platform deck composition.The column type floating drum, provided with three rows, spacing is not less than spar diameter；It is described
Bridge is made up of rod member, interlaced, is formed triangle rock-steady structure and is rigidly connected with floating drum, each floating drum is mutually solid through bridge
It is shaped as a stable rigid structure；The platform deck is lightweight deck, and its inside edge is provided with block rubber, effectively subtracted
Delay because wind wave action causes the direct shock of platform deck and platform column.By floating drum with flange form between each platform unit
Bolt connection or riveting are flexibly connected after being connected as a single entity by being flexibly connected component with anticollision buoyancy tank, are kept both to have and are concludeed a contract or treaty
Beam, it is ensured that anticollision buoyancy tank is hit certain position face to face in ultra deepwater drilling platform column.
Because the section Internal periphery that anticollision buoyancy tank inner side and float-plane version platform deck are constituted is similar to column section outline
It is that rounding is square, it will be limited around column horizontal revolving motion, it is impossible to occur anticollision buoyancy tank and rotate to ultra-deep water drilling
Well platform column is hit back position.Meanwhile, anticollision buoyancy tank and this connected mode of float-plane version platform, for hitting, ship is oblique to be hit
Good protective effect will be had by hitting column situation, the energy of collision absorbed by the deformation of itself, while can reach in collision
During stir the purpose of ship's head, the energy in collision process is taken away by ship, so that measuring of absorbing of column
To greatly reducing, effective protective action of column is realized.
In the present invention, eased ball float module can be also designed at the back side by hitting positioned at column, if ball float module by
Dry ball float, ball float connector and the connector being connected with anticollision buoyancy tank, this scheme will can more reduce building for floating anticollision device, collision-prevention device
Cause this and installation difficulty, can as quick protection column preferred scheme.
In the present invention, the connection component, including make each buoyancy tank unit reinforce connection connection otic placode and bolt assembly,
Each float-plane version platform unit is connected as a single entity flange form bolt connection or riveting and makes what anticollision buoyancy tank and float-plane version platform were connected
It is flexibly connected component.The connection otic placode is connected as a single entity with buoyancy tank unit, and the flexible connection component is for cable or with flexible
The damping connection of property.
The operation principle of anticollision buoyancy tank is mainly the deformation by itself energy-absorbing component to absorb impact energy, it is assumed that ship
Positive impact platform column, now due to the presence of anticollision buoyancy tank, ship will be floated with column forward direction by the anticollision hit face to face first
Bump against on the outside of box unit, because the wall of buoyancy tank is inclined-plane, effectively reduce the impact of vertical pillars outside plate.And high energy dissipating is multiple
It will be deformed on the outside of the buoyancy tank that condensation material is constituted to absorb part impact energy, speed is necessarily hit if hitting ship and now still having
To occur larger elastic deformation on the outside of degree, buoyancy tank so that the packing material inside separation will be squeezed, so as to produce filling material
The elastic potential energy and friction energy that convert filler are lost the mutual displacement of material, impact energy, at the same time, are hit buoyancy tank list
Member is also by bayonet socket end face to adjacent floating box unit transmitting portions impact energy；Hit and contacted face to face with pillar outer panel on the inside of buoyancy tank
Afterwards, flexible high absorption cell is in the mutual of shock ship and column on the inside of the buoyancy tank that high energy dissipating composite is constituted and in interior sidewall surface
Under " pincer attack ", larger elastic deformation can be also produced, remaining impact energy is absorbed, effectively prevents to hit ship by hitting anticollision buoyancy tank
The shock contact force of indirect transfer amplitude.
Beneficial effect：The composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform of the present invention, with following excellent
Point：
1st, because the main body of anticollision device, collision-prevention device is anticollision buoyancy tank unit, its cross-sectional cross sectional shape is right-angled trapezium, reduces ship
The positive impact that oceangoing ship is transmitted after hitting.Itself can provide enough buoyancy, it is not necessary to which being additionally provided power is fixed on it
Column is hit position face to face, it is not required that ultra deepwater drilling platform column is installed additional any supplementary structure to coordinate anticollision device, collision-prevention device
Install and fix, embody economic new, the good advantage of applicability；
2nd, anticollision buoyancy tank cell enclosure of the invention employs the superior fiber-reinforced composite material of strong corrosion resistant, mechanical characteristic
Material, is suitable for the adverse circumstances in deep-sea marine site, and it retains in certain gap, realization and platform vertical direction with pillar outer panel
Connected mode between self-movement, each anti-collision unit is simple, and installing/dismounting is simple and feasible, is broken resisting supply vessel hard impacts
After damage, damaged buoyancy tank unit only need to be changed, later maintenance expense is reduced；
If the positive column of ultra deepwater drilling platform supply vessel hits after the 3, installing, because anticollision buoyancy tank unit is that outside is bullet
Property composite, with larger deformability, supply vessel can be protected to a certain extent, it is avoided occurring serious structure
Damage.Because there is anticollision buoyancy tank multiple tracks to slow down the defence line of impact damage from outside to inside, interior outside is with moderate finite deformation ability
Elastic composite, impact can effectively be disperseed, be hit face to face with column provided with the larger obturator of coefficient of friction by inside
Relative position is also provided with the flexible high absorption cell of straight wall, realize anticollision buoyancy tank step by step energy-absorbing the characteristics of；
4th, the bulkhead and between deck in anticollision buoyancy tank unit of the present invention have larger rigidity, it is ensured that inside buoyancy tank every
Moderate finite deformation does not occur for cabin, so as to further limit the overall deformation of anticollision buoyancy tank unit；Packing material body is mainly sand rubber
The granular materials such as grain, haydite, big energy is consumed during shock by rubbing, and anticollision buoyancy tank anticollision reliability is further improved；
5th, positioned at column by the float-plane version platform for hitting back side setting, its is simple and reliable for structure, and construction cost is cheap, installs letter
Just, it is connected with anticollision buoyancy tank by being flexibly connected component, due to the section constituted on the inside of anticollision buoyancy tank with float-plane version platform deck
Internal periphery similar to column section outline is that rounding is square, and it will be limited around column horizontal revolving motion, it is ensured that
Anticollision buoyancy tank around column horizontal revolving motion in certain scope, it is impossible to occur anticollision buoyancy tank and rotate to ultra deepwater drilling
Platform column is hit back position.Meanwhile, anticollision buoyancy tank and this connected mode of float-plane version platform, for hitting, ship is oblique to be hit
Column situation will have good protective effect, be absorbed by the deformation of itself beyond the energy of collision, moreover it is possible to reach in collision
During stir the purpose of ship's head, the energy in collision process is taken away by ship, so that measuring of absorbing of column
To greatly reducing, effective protective action of column is realized.
Brief description of the drawings
Fig. 1 is that floating anticollision device, collision-prevention device is installed on ultra deepwater drilling platform overall structure 3-D view；
Fig. 2 is installed on ultra deepwater drilling platform overall structure top view for floating anticollision device, collision-prevention device and (conceals upper hull and column
Upper part)；
Fig. 3 is the overall structure 3-D view of floating anticollision device, collision-prevention device；
Fig. 4 is inverted 3-D view for the overall structure of Fig. 3 floating anticollision device, collision-prevention devices；
Fig. 5 is floating anticollision device, collision-prevention device front view；
Fig. 6 is Fig. 5 A-A sectional views；
Fig. 7 is to be hit single anticollision buoyancy tank unit top view face to face in column forward direction；
Fig. 8 is Fig. 7 B-B sectional views；
Fig. 9 is by the length direction sectional view for hitting the single floating drum platform unit in the back side in column forward direction；
Figure 10 is by the width sectional view for hitting the single floating drum platform unit in the back side in column forward direction；
Figure 11 is column by the horizontal cross for hitting the ball float connection of back side position.
Embodiment
As shown in Figure 1 to 11, the present invention is a kind of large-scale floating anticollision for being applied to the 7th generation ultra deepwater drilling platform
Device, its mainly include with ultra deepwater drilling platform column by hit face to face it is relative by multiple anti-collision units it is nested constitute it is anti-
Energy-absorbing component 5, the float-plane version platform 3 and connection component 4 relative with by the back side is hit for hit buoyancy tank 2, being arranged in inside and outside anticollision buoyancy tank
Composition.As shown in figure 1, ultra deepwater drilling platform 1 is in working condition, ultra deepwater drilling platform buoyancy tank 12 and stull 14 are in
At deep drinking water, no ship collision is possible, and the column 11 near Water Plane is hit to be located at outside ultra deepwater drilling platform 1 face to face
Side, is the key position of ship collision accident generation, it is necessary to set corresponding anticollision device, collision-prevention device to avoid ship direct with shield posts
Hit.And the inner side that ultra deepwater drilling platform 1 is in by the back side is hit of column 11, hardly occur ship collision accident, because
This is fitted without necessity of anticollision buoyancy tank 2, and the position is between upper hull 13 and stull 14, if installing and phase on the outside of column
With large-scale anticollision buoyancy tank 2, at sea with hit face to face install be connected when, upper hull 13 will have certain height limitation, right
Certain danger will be brought in the installation in later stage.In order to ensure anticollision buoyancy tank 2 and column 11 are in certain phase by hitting face to face
To position, the present invention proposes that being hit the back side in ultra deepwater drilling platform column 11 sets float-plane version platform 3 or other small-sized floating
Works such as ball float module 7 is simultaneously flexibly connected with anticollision buoyancy tank 2, constitutes a cyclic structure, column is looped around with certain position
Around 11.
The main installation procedure of large-scale floating anticollision device, collision-prevention device：
Invention is first according to require that the construction work that certain building technology completes anticollision buoyancy tank unit is installed, in harbour or
The nested splicing of each anticollision buoyancy tank unit is completed on ship as first determined the second anticollision buoyancy tank unit 22 and adjacent with float-plane version platform
The 3rd anticollision buoyancy tank unit 23 position, the first anticollision buoyancy tank unit 21 of two neighboring column is then passed through into end face respectively
Anticollision buoyancy tank unit bayonet socket 41 at trip complete nesting from top to bottom with corresponding neck, will finally be fixed in anticollision buoyancy tank
The connection otic placode of unit top layer deck and bottom, which is bolted, is reinforced, and completes the connection work of anticollision buoyancy tank 2；Close
In the connection of float-plane version platform 3, the construction work of float-plane version platform unit, platform deck 31 and floating drum are completed first in factory
32 complete affixed work by bridge 33 with welding manner, then complete the splicing of each unit by floating drum 32 on harbour or ship
Work；The specified location of laying the anticollision buoyancy tank 2 connected followed by hoisting apparatus, will be connected using push-pull device at fixed
Float-plane version platform moves to column 11 and is hit the back side, the connector 44 and floating drum being connected finally by anticollision buoyancy tank with float-plane version platform
The anticollision buoyancy tank of connector 45 that type platform is connected with anticollision buoyancy tank and float-plane version platform flexible connecting member 43 complete anticollision buoyancy tank 2 with
The connection work of float-plane version platform 3, the effect after installation is as shown in Figure 1 to Figure 3.
When platform needs to move job position or return port maintenance, it can be connected by removing anticollision buoyancy tank with float-plane version unit
Part, quickly makes it be separated with platform column anticollision device, collision-prevention device dismounting, it is to avoid to produce the fortune of additional water drag effects platform to platform
Dynamic speed.
As shown in Fig. 3 to Figure 11, the anticollision buoyancy tank 2 be close wall type buoyancy tank, it is ensured that it can voluntarily float on the surface, its with
Pillar outer panel face to face is relative by hitting for column, by multiple anticollision buoyancy tank units, the connection component of each anti-collision unit of connection and filling
Packing material 53 inside buoyancy tank is constituted, the anti-collision unit, and its stereochemical structure face relative with column is straight wall, outside
To have constant slope, " top is small, and bottom is big " in a rectangular trapezoid, it is to avoid ship collision straight wall wall simultaneously effectively disperses ship
Oceangoing ship, which hits, makes a concerted effort.Being provided between anti-collision unit near the mutually engageable bayonet socket through whole unit, bayonet socket has reinforcement elements
Between the connection otic placode 42 that connects, weighted regions and access hole 6 of the top certain position provided with regulation buoyancy tank drinking water and be the second layer
Separation fills the fill orifice of buffering energy-absorbing material, and the weighted regions are balancing weight layout area, and the balancing weight can select water
Case or iron block etc..Outside has certain thickness composite in anti-collision unit, and inside is set to two layers, by halfpace and bulkhead
Set up multiple separations separately, count from the bottom up, the access path communicated with access hole is left between second layer separation and is filled out for one layer of separation
Fill the fill orifice of buffering energy-absorbing material 53.The bayonet socket 41 be completely through trip or neck, material be hull steel or glass
Steel, its cross sectional shape is outer narrow inner width, is up big and down small on compound section.Larger buoyancy tank unit is fixed during assembling first, and
Less buoyancy tank unit is vertically inserted to the neck of correspondence position on matching buoyancy tank unit end face afterwards, makes adjacent floating packing list
First auto lock is simultaneously linked to be around ultra deepwater drilling platform column by overall structure face to face is hit, so as to ensure anticollision buoyancy tank unit both
The prefabricated and live quick assembling of branch mailbox and maintenance can be split after breaking change, anticollision floating box structure unit can be made to rely on whole each other again
Body stress and deformation.
In the present invention, the first anticollision buoyancy tank unit 21, the second anticollision buoyancy tank unit 22 and the 3rd anticollision buoyancy tank list
Rubber granule or haydite are filled with by being divided into every 54 plates in several nacelles, nacelle in member 23, in the outside of anticollision buoyancy tank 2
High energy-absorbing composite is arranged with inner side, flexible high power-absorbing is arranged on the high energy-absorbing composite of inner side
In the present invention, 5 points of the anticollision buoyancy tank energy-absorbing component is multiple tracks energy-absorbing component, is seen along buoyancy tank outside to inner side,
Including being arranged in the certain thickness high energy-absorbing composite 51 in outside, the packing material 53 being filled in inside buoyancy tank in anti-collision unit
With the flexible high power-absorbing 52 for being arranged on sheet on the inside of buoyancy tank.The high energy-absorbing composite 51 in the outside is fibre reinforced
Composite (CFRP) or glass fibre reinforced composion (GFRP), it is as the first line of defence of anticollision, and thickness parameter should
Determined according to collision energy dissipation calculating method, for being generally the larger metal of rigidity on the outside of conventional anticollision buoyancy tank on the outside of buoyancy tank
Structure, had not only reduced the structural damage but also absorbable part impact energy at ship collision position.The packing material 53 is recovery
The coefficient of friction such as rubber granule or haydite is larger, the obvious light material of energy-absorbing effect, its as anticollision second defence line, based on
Want impact energy to absorb source, absorb most of impact energy, the stroke speed of ship is declined to a great extent.Certain thickness on the outside of the buoyancy tank
High energy-absorbing composite 51 it is identical with material outside, its as anticollision three lines of defence and hit relative face to face, be straight wall
Formula structure, column is hit plays important protective effect face to face.The sheet-like flexible being arranged in anticollision buoyancy tank interior sidewall surface is high
Absorption cell 52 is the larger damping piece of elasticity or high energy-absorbing composite identical with outside in anticollision buoyancy tank 2, is hit ship is larger
Hit after power shock, contacted first with the outside plate of platform column 11, slow down anticollision buoyancy tank 2 and directly hit with platform column 11.
In the present invention, the float-plane version platform 3, whole height is no more than 3 meters, comprising multiple platform units, by elongated
Type column type floating drum 32, bridge 33 and platform deck 31 are constituted.The column type floating drum 32, provided with three rows, spacing is not less than floating
Cylinder diameter；The bridge 33 is made up of lightweight rod member, interlaced, is formed triangle rock-steady structure and is connected with the rigidity of floating drum 32
Connect；The platform deck 31 is lightweight deck, and its inside edge is provided with block rubber, effectively slowed down because wind wave action causes to put down
The direct effect of impact of platform deck 31 and platform column 11.Each floating drum 32 interfixes to form a stable rigidity through bridge 33
By being flexibly connected component after being connected as a single entity between structure, each platform unit by floating drum 32 with flange form bolt connection or riveting
43 are flexibly connected with anticollision buoyancy tank, keep both to have certain constraint, it is ensured that anticollision buoyancy tank 2 is in ultra deepwater drilling platform column 11
Hit certain position face to face.The cross sectional shape constituted due to the inner side of anticollision buoyancy tank 2 and float-plane version platform deck 31 and column section
Similar shape is rounding square, and it has certain restriction effect around column horizontal revolving motion, it is impossible to occurs anticollision and floats
Case 2 is fully rotated into ultra deepwater drilling platform column 11 and is hit back position.
In the present invention, eased ball float module 7 can be also designed at the back side by hitting positioned at column, if ball float module by
Dry ball float 71, ball float connector 72 and the connector 73 being connected with anticollision buoyancy tank, this scheme will more reduce floating anticollision dress
The construction cost and installation difficulty put, can as quick protection column preferred scheme.
In the present invention, the connection component 4, including the connection otic placode 42 and bolt group for each buoyancy tank unit is reinforced connection
Part, make each float-plane version platform unit be connected as a single entity flange form bolt connection or riveting 34 and to make anticollision buoyancy tank 2 and float-plane version platform 3
The flexible connection component 43 of connection.The connection otic placode 42 is connected as a single entity with buoyancy tank unit, and the flexible connection component 43 is cable
Rope or the damping connection with retractility.
The operation principle of anticollision buoyancy tank 2 is mainly the deformation by itself energy-absorbing component to absorb impact energy, it is assumed that ship
Oceangoing ship forward direction impact platform column 11, now due to the presence of anticollision buoyancy tank 2, ship will be positive by hitting face to face anti-first with column
Hit the outside of buoyancy tank unit 21 to bump against, because the wall of buoyancy tank is inclined-plane, effectively reduce the impact of vertical pillars outside plate.And it is high
It will be deformed on the outside of the buoyancy tank that energy dissipating composite is constituted to absorb part impact energy, if hitting ship now still has necessarily
To occur larger elastic deformation on the outside of stroke speed, buoyancy tank so that the packing material inside separation will be squeezed, so as to produce
The elastic potential energy and friction energy that convert filler are lost the mutual displacement of packing material, impact energy, at the same time, are hit
Buoyancy tank unit is also by bayonet socket end face to adjacent floating box unit transmitting portions impact energy；Hit face to face with pillar outer panel on the inside of buoyancy tank
After contact, flexible high absorption cell is hitting the phase of ship and column on the inside of the buoyancy tank that high energy dissipating composite is constituted and in interior sidewall surface
Under mutually " converging ", larger elastic deformation can be also produced, remaining impact energy is absorbed, effectively prevents shock ship from being floated by hitting anticollision
The shock contact force of case indirect transfer amplitude, it is to avoid hit ship and ultra deepwater drilling platform column contact site produces destructiveness
Structural damage.
Compared with prior art, the anticollision buoyancy tank 2 mainly using composite as stress carrier, and inside buoyancy tank every
Set up in cabin using packing material as cushion, and the high energy dissipating composite of twice is provided with the inside of buoyancy tank, substantially prolongs
Collision time and reduction are finally transmitted to the impact energy of platform column, serve and slow down collision accident lower platform column 11 and shock
The structural damage of ship, be truly realized floating anticollision device, collision-prevention device energy-absorbing effect it is obvious, it is economical it is new, be easily assembled dismounting and it is anti-
Hit Reliable Design target.
It is pointed out that the present invention can have different structures according to different ultra deepwater drilling platform leg structure type
Form, but basic design principle is consistent.Accompanying drawing reflection is that the structure of the most common square spud leg of ultra deepwater drilling platform is shown
It is intended to, the face shaping of anticollision buoyancy tank and float-plane version platform need to be only adjusted accordingly for cylindrical leg.In addition, root
According to actual conditions, if it is necessory to carry out anticollision design on the inside of column, need to only be installed additional on the inside of column and phase on the outside of column
Same anticollision buoyancy tank, realizes column disposition.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform, it is characterised in that：Including anticollision device, collision-prevention device and
Float-plane version platform, anticollision device, collision-prevention device and float-plane version platform connect to form cyclic structure by connector, and cyclic structure is enclosed on ultra-deep-water
On the column of drilling platforms, the anticollision device, collision-prevention device includes and is provided with energy-absorbing component on anticollision buoyancy tank, the anticollision buoyancy tank.
2. the composite floating box anticollision device, collision-prevention device according to claim 1 suitable for ultra deepwater drilling platform, it is characterised in that：
The cyclic structure is quadrilateral structure, and anticollision buoyancy tank is positive by hitting the first anticollision buoyancy tank unit, column face to face comprising column
It is oblique by the second anticollision buoyancy tank unit and the threeth anticollision buoyancy tank unit adjacent with float-plane version platform face to face is hit, described first prevents
Hit buoyancy tank unit to be located between the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit, the 3rd anticollision buoyancy tank unit and float-plane version
Platform is connected.
3. the composite floating box anticollision device, collision-prevention device according to claim 2 suitable for ultra deepwater drilling platform, it is characterised in that：
It is divided into the first anticollision buoyancy tank unit, the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit by dividing plate some
Rubber granule or haydite are filled with individual nacelle, nacelle, high energy-absorbing composite is arranged with the outside and inner side of anticollision buoyancy tank,
Flexible high power-absorbing is arranged on the high energy-absorbing composite of inner side.
4. the composite floating box anticollision device, collision-prevention device according to claim 3 suitable for ultra deepwater drilling platform, it is characterised in that：
The high energy-absorbing composite is carbon fibre reinforced composite or glass fibre reinforced composion.
5. the composite floating box anticollision device, collision-prevention device according to claim 3 suitable for ultra deepwater drilling platform, it is characterised in that：
The flexible high power-absorbing is damping piece or carbon fibre reinforced composite or glass fibre reinforced composion.
6. the composite floating box anticollision device, collision-prevention device according to claim 2 suitable for ultra deepwater drilling platform, it is characterised in that：
The two ends of the first anticollision buoyancy tank unit, the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit are equipped with trip or card
Groove, the first anticollision buoyancy tank unit is connected with the second anticollision buoyancy tank unit and the 3rd anticollision buoyancy tank unit by trip with neck.
7. the composite floating box anticollision device, collision-prevention device according to claim 1 suitable for ultra deepwater drilling platform, it is characterised in that：
The float-plane version platform is included to be installed on float-plane version platform deck, floating drum and bridge, the float-plane version platform deck by bridge
There is floating drum, the end of floating drum is provided with vertical bulkhead, and vertical bulkhead is connected by connector with anticollision device, collision-prevention device.
8. the composite floating box anticollision device, collision-prevention device according to claim 1 suitable for ultra deepwater drilling platform, it is characterised in that：
The float-plane version platform is included to be connected between several ball floats, ball float by connecting rope, and ball float passes through connecting rope and anticollision buoyancy tank
Connection.
9. the composite floating box anticollision device, collision-prevention device according to claim 1 suitable for ultra deepwater drilling platform, it is characterised in that：
The lower end of the anticollision buoyancy tank is wide, upper end is narrow, and the cross section of anticollision buoyancy tank is right-angled trapezium shape.
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| CN201710368775.8A CN107140139A (en) | 2017-05-23 | 2017-05-23 | A kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368775.8A CN107140139A (en) | 2017-05-23 | 2017-05-23 | A kind of composite floating box anticollision device, collision-prevention device suitable for ultra deepwater drilling platform |
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| CN107140139A true CN107140139A (en) | 2017-09-08 |
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| CN109080781A (en) * | 2018-08-01 | 2018-12-25 | 上海交通大学 | A kind of inhibition wave climbs pore structure object device and its design method |
| CN109353463A (en) * | 2018-11-29 | 2019-02-19 | 大连海英科技有限公司 | A kind of ocean engineering construction chinampa platform and construction method |
| WO2019090956A1 (en) * | 2017-11-08 | 2019-05-16 | 曹伟华 | Seaborne self-propelling platform for rocket launching and rocket recovery |
| CN110371267A (en) * | 2019-08-20 | 2019-10-25 | 江苏科技大学 | A kind of adaptive polar region floating platform ice load protective device |
| CN111634381A (en) * | 2020-05-29 | 2020-09-08 | 中国船舶工业集团公司第七0八研究所 | Multifunctional cylindrical floating body with standardized subdivision and cabin standard structure thereof |
| CN112339926A (en) * | 2020-11-03 | 2021-02-09 | 阳光学院 | Floating anti-collision structure for offshore wind turbine foundation |
| CN112478050A (en) * | 2020-12-09 | 2021-03-12 | 中海石油(中国)有限公司 | A buffer stop for semi-submerged formula production platform center pillar oil tank |
| CN114808670A (en) * | 2022-05-25 | 2022-07-29 | 江苏科技大学 | Pier anti-collision device with self-adaptive adjustment of relative height position |
| CN114960557B (en) * | 2022-06-14 | 2024-04-26 | 重庆交通大学 | Composite cylinder floating type ship collision preventing device |
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| CN112339926A (en) * | 2020-11-03 | 2021-02-09 | 阳光学院 | Floating anti-collision structure for offshore wind turbine foundation |
| CN112339926B (en) * | 2020-11-03 | 2022-01-25 | 阳光学院 | Floating anti-collision structure for offshore wind turbine foundation |
| CN112478050A (en) * | 2020-12-09 | 2021-03-12 | 中海石油(中国)有限公司 | A buffer stop for semi-submerged formula production platform center pillar oil tank |
| CN114808670B (en) * | 2022-05-25 | 2023-07-04 | 江苏科技大学 | Pier anti-collision device with self-adaptive adjustment of relative height position |
| CN114808670A (en) * | 2022-05-25 | 2022-07-29 | 江苏科技大学 | Pier anti-collision device with self-adaptive adjustment of relative height position |
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Application publication date: 20170908 |