CN109052169B - A kind of hoisting transportation technique for offshore wind farm jacket - Google Patents
A kind of hoisting transportation technique for offshore wind farm jacket Download PDFInfo
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- CN109052169B CN109052169B CN201811017034.6A CN201811017034A CN109052169B CN 109052169 B CN109052169 B CN 109052169B CN 201811017034 A CN201811017034 A CN 201811017034A CN 109052169 B CN109052169 B CN 109052169B
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- generation jacket
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000005611 electricity Effects 0.000 claims abstract description 128
- 238000000465 moulding Methods 0.000 claims abstract description 33
- 239000000725 suspension Substances 0.000 claims abstract description 33
- 230000005484 gravity Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 229920002943 EPDM rubber Polymers 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 239000003643 water by type Substances 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
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- 238000005284 basis set Methods 0.000 description 1
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- 239000005060 rubber Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
Abstract
The invention discloses a kind of hoisting transportation techniques for offshore wind farm jacket, it include hull positioning including hoisting transportation technique, select suspension centre, choose wirerope, selection transport moulding bed, installation and transportation moulding bed, pre- lifting wind-powered electricity generation jacket, lift by crane wind-powered electricity generation jacket, bind wind-powered electricity generation jacket, the present invention has the advantages that processing step smooth sequential, lifting is firm, binding is secured, the setting of suspension centre is selected in step B, solve the problems, such as that current wind-powered electricity generation jacket gravity center eccentric causes lifting process to cannot achieve horizontal lifting, realize the levelness and smoothness of the lifting of wind-powered electricity generation jacket, efficiency and accuracy when refuting to ship board are fallen to improve wind-powered electricity generation jacket.
Description
Technical field
The invention belongs to marine transportation manufacturing fields, and in particular to a kind of hoisting transportation work for offshore wind farm jacket
Skill.
Background technique
Since the volume on wind-powered electricity generation jacket basis is larger, general construction factory is all located at river or seashore, in order to
Transport, wind-powered electricity generation jacket basis are divided into jacket linkage section, steel platform and jacket main structure three parts, and upper guide pipe support connects
The vertical main cylinder of section intermediate arrangement is connect, four sides are set there are four leg, and there is steel platform at middle part, and lower part is main structure, two of them leg
Between be equipped with and lean on ship part, have railing, ladder by ship part, other Accessory Members be in addition equipped between other two leg, barge stops
Bank is leaned against, is lifted and is refuted using embossment.
It proposes in a kind of jacket lifting technology for binding of patent No. CN107089584A and refutes in the lifting of entire jacket
The processing step of binding efficiently solves problem existing for current unit assembling of ship machinery, but there is also following disadvantages for the patent: 1, will
Wind-powered electricity generation jacket is directly lifted on cargo ship and with cargo ship and is bound, since ship board plane has throwing gesture, and
The prolonged cargo that loads causes the high bottom of deck level uneven, directly lifts wind-powered electricity generation jacket to cargo ship, in transportational process
In easily cause the shaking of jacket, be unable to reach transport and require；2, wirerope is directly intersected to oblique pull wind-powered electricity generation conduit when binding
Frame, due to the particularity of hull transport, the step of ligation is poor for the stable connection of wind-powered electricity generation jacket and cargo ship, and steel wire
It restricts and is easy the outer surface of friction damage wind-powered electricity generation jacket.More importantly due to Accessory Members on wind-powered electricity generation jacket, leaning on ship
The setting of part etc., make wind-powered electricity generation jacket center of gravity be not be the center of wind-powered electricity generation jacket, but eccentric, then 4 suspension centres
Position be asymmetric, therefore in hoisting process, how effectively to choose suspension centre, guarantee that lifting process is fully horizontal, be mesh
Problem when preceding wind-powered electricity generation jacket hoisting transportation.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to now provide a kind of lifting of realization level, binding securely, protect
Demonstrate,prove the hoisting transportation technique for offshore wind farm jacket of transportation safety.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows: a kind of hanging for offshore wind farm jacket
Transportation technology is filled, wind-powered electricity generation jacket includes the stull pipe group, down tube group of four pipe casings and the two neighboring pipe casing of connection,
Stull pipe group includes being set up and down two groups of stull pipes, and down tube group is placed between two groups of stull pipes, each down tube group
Including two down tubes arranged in a crossed manner, be respectively equipped with multiple sacrificial anode parts on two down tubes being correspondingly arranged, it is any tiltedly
Stay tube group be equipped with lean on ship part, hoisting transportation technique include hull positioning, selection suspension centre, choose wirerope, selection transport moulding bed,
Installation and transportation moulding bed, pre- lifting wind-powered electricity generation jacket, lifting wind-powered electricity generation jacket, binding wind-powered electricity generation jacket；
Specific step is as follows:
A, hull positions: cargo ship is driven into deep water basin, in place afterwards using all around 4 lashing points by cargo ship system
Gu cargo ship is parallel to the long side of deep water basin, plant area is equipped with 1000T gantry crane, and gantry is placed on station keeping ship, is across depth
On water basin, cargo ship and station keeping ship are arranged in T font；
B, it selects suspension centre: 3 D stereo modeling being carried out to wind-powered electricity generation jacket, wind-powered electricity generation conduit is determined in three-dimensional stereo model
The center of gravity of frame finds a central point in the top position of the longitudinal axis where the center of gravity, it is first determined on any pipe casing
Suspension centre makes the angle between the straight line where central point and the suspension centre and the longitudinal axis where center of gravity be less than or equal to 30 °, and in
Heart point is 16-18 meters at a distance from the suspension centre, then using central point as the center of circle, using the distance of central point to the suspension centre as radius,
A sphere, the point that sphere is intersected with the other three pipe casing, as 3 suspension centres are modeled in three-dimensional stereo model, then are distinguished
The position of each suspension centre is measured in three-dimensional stereo model, and determines the laggard rower of hoisting point position on wind-powered electricity generation jacket
Then note installs the lifting lug of 4 hoisting point positions, successively install shackle and wirerope fake in hoisting point position, and by Current Collector Sleave
It is placed on above the Current Collector Sleave platform temporarily made；
C, choose wirerope: wind-powered electricity generation jacket product weight is G, and wirerope and center of gravity longitudinal axis angle are α, wirerope
Rated load be T1, the vertical component for calculating every wirerope stress is G/4, is recorded as T2, then the stress of wirerope is T2/
Cos α, is recorded as T3, the wirerope of selection then needs to meet rated load T1Greater than T3；
D, it selects transport moulding bed: selecting two unitary tray toolings as transport moulding bed；
E, according to the span of wind-powered electricity generation jacket, two unitary tray toolings separately installation and transportation moulding bed: are laid in fortune
On the deck of defeated ship, it is located at four pipe casings of wind-powered electricity generation jacket on two unitary tray toolings, in unitary tray
Tooling lays the steel plate that 16-20mm different-thickness is laid on the deck plane in region, and unitary tray tooling is made to lay the first in region
Plate face keeps horizontal, and the steel plate of laying, by being welded and fixed, two unitary tray toolings is laid on the steel plate with deck plane,
And unitary tray tooling is welded and fixed with steel plate；
F, wind-powered electricity generation jacket is lifted by crane in advance: gantry crane is opened to empty position on wind-powered electricity generation jacket, the fine tuning main hook position of gantry crane
In the surface of wind-powered electricity generation jacket center of gravity, stop decline when dropping to interim Current Collector Sleave platform overhead, by 4 steel in step B
Cord fake free end is hung on above fine tuning main hook and locks, and is ensuring all components connecting with wind-powered electricity generation jacket and wind-powered electricity generation conduit
Under the premise of frame disconnection and safety of surrounding environment, fine tuning main hook is promoted, puts off upper placement to wind-powered electricity generation jacket minimum point
When the moulding bed highest point 100mm-120mm of wind-powered electricity generation jacket, fine tuning main hook stops rising, and confirms wind around wind-powered electricity generation jacket surrounding
Under the Environmental security of conductance pipe support, wirerope and surrounding, it is further continued for promoting fine tuning main hook；
G, lift by crane wind-powered electricity generation jacket: after checking that suspension centre is without exception, fine tuning main hook continues to be lifted to predetermined altitude, starts gantry
It hangs, it is mobile toward deep water basin direction, stop translation after wind-powered electricity generation jacket to be moved to the overhead of deck designated position, continues to decline
The fine tuning main hook of gantry crane, when wind-powered electricity generation jacket minimum point starts transport moulding bed of the contact on cargo ship, crawl decline
Fine tuning main hook is until wind-powered electricity generation jacket entirety falls refute completely；
H, it binds wind-powered electricity generation jacket: after wind-powered electricity generation jacket falls refute completely, prefabricated fixed card buckle structure being distinguished
It is arranged in the lateral location of wind-powered electricity generation jacket, is respectively arranged fixed card buckle on wind-powered electricity generation jacket four stull pipes placed below
Structure, the quantity of fixed card buckle structure is by calculating lateral stressed the obtaining of binding point on four stull pipes.
Further, the lateral stressed formula of binding point is calculated in step H are as follows: wind-powered electricity generation jacket product weight is G, fortune
Maximum roll angle of the defeated ship in corresponding waters is 20 °, and transverse component is F1=1.2sin20 ° of G=0.41G, vertical
Component is F2=cos20 ° of G=0.94G；Since the confficient of static friction of steel and steel is u=0.15, maximum static friction is learnt
Power f=uF2=0.141G, and transversely acting resultant force is F3=F1-f=0.269G；The quantity of fixed card buckle structure is n, then
The lateral stressed of each fixed card buckle structure is F4=F3/n=0.269G/n；It is calculated using analysis software and determines each fixing card
The binding point load cross force of buckle structure is G1, it is assumed that when the quantity for drafting n in advance is 20, if the quantity value 20 of G1 > F4, n
It meets the requirements, if when G1≤F4, the quantity value of n should be less than 20, and check again, until G1 > F4.
Further, unitary tray tooling includes multiple longitudinally disposed vertical poles and multiple cross bars being laterally arranged,
It is equipped with brace between the vertical pole and cross bar for being placed in cargo ship front and back side, vertical pole, cross bar, brace are i-beam structure.
Further, fixed card buckle structure includes being placed in above unitary tray tooling and being located at two sides position below stull pipe
The I-shaped component set and the pinch plate for being sleeved on stull pipe outer ring, pinch plate are the U-shaped shape structure of opening down setting, work
Font component includes two vertical portions and the transverse part that is placed between two vertical portions along the setting of stull pipe extending direction,
Vertical portion is consistent with the height of transverse part and to flat setting, vertical portion, transverse part lower end connect with unitary tray tooling, it is horizontal
The lower end of upper end and pinch plate to portion connects, and is placed in below stull pipe between two transverse parts of the left and right sides and is equipped with a support
Plate, stull pipe are placed in support plate, and the position that the upper surface of support plate is contacted with stull pipe is the arc surface being recessed inwardly.
Further, the position contacted on the inside of pinch plate with stull pipe is equipped with the ethylene-propylene-diene monomer rubber mat of 3-5mm.
Further, it welds to use in step E and continuously be fully welded.
Beneficial effects of the present invention are as follows:
1, present invention process step smooth sequential, lifting is firm, and binding securely, selects the setting of suspension centre, effectively in step B
It solves the problems, such as that current wind-powered electricity generation jacket gravity center eccentric causes lifting process to cannot achieve horizontal lifting, realizes wind-powered electricity generation jacket
The levelness and smoothness of lifting, so that improving wind-powered electricity generation jacket falls efficiency and accuracy when refuting to ship board,
Change tradition and wind-powered electricity generation jacket is directly fallen to the hoisting transportation technique refuted to ship board, is arranged on the deck plane of cargo ship
Moulding bed is transported, while transporting moulding bed and laying the steel plate for being laid with different-thickness on the deck plane in region, solves the high bottom of deck level
It is uneven and cause wind-powered electricity generation jacket to shake, jiggly lifting defect, and binding wind-powered electricity generation jacket the step is also to change to pass
Wind-powered electricity generation jacket is fixedly connected with transport moulding bed by multiple fixed card buckle structures, is protected by the binding method of wirerope by system
Transport Safety and stationarity are demonstrate,proved, is bound firm firm.
2, by calculate binding point it is lateral stressed come determine on wind-powered electricity generation jacket be used for binding and fixing buckle structure number
Amount meet the requirements the stress on the binding point of each fixed card buckle structure can, improve the stability of binding, while avoiding again
Fixed card buckle structure on binding point damages the stull pipe of wind-powered electricity generation jacket since stress is larger.
3, the setting of unitary tray tooling makes wind-powered electricity generation jacket realize integral hoisting, convenient and efficient, saves the duration, can weigh
It is multiple to utilize, save the cost.In the wind-powered electricity generation jacket upper chunk segment folding stage, ground basis set can be avoided as moulding bed is closed up
Middle stress generates and cause the generation of major accident, increases contact of the wind-powered electricity generation jacket with tool part, tool part with ground
Area prevents wind-powered electricity generation jacket from generating expendable bending deformation because concentrating stress；In the haulage stage, there is camber on deck,
It can be leveled with this unitary tray tooling, make ship board and transport moulding bed uniform stressed, be reduced because deck carries
Power part not enough increases a large amount of reinforcement welding, avoids damage to Ship Structure.
4, using the fixed card buckle structure of buckle-type, the operating procedure for avoiding tradition from binding by wirerope is not necessarily to personnel
Operation of climbing, while the fixed card buckle structure sound construction of buckle-type are carried out, it is easy to use, distance, operation spirit can be adjusted in real time
It is living.
5, the position contacted on the inside of pinch plate with stull pipe is equipped with the ethylene-propylene-diene monomer rubber mat of 3-5mm, with antifriction damage
The paint corrosion-inhibiting coating on bad wind-powered electricity generation jacket surface.
6, welding further increases weld strength using being continuously fully welded in step E.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the wind-powered electricity generation jacket of the hoisting transportation technique for offshore wind farm jacket of the present invention
Figure.
Fig. 2 is a kind of schematic diagram of the step F of the hoisting transportation technique for offshore wind farm jacket of the present invention.
Fig. 3 is a kind of schematic diagram of the step E of the hoisting transportation technique for offshore wind farm jacket of the present invention.
Fig. 4 is unitary tray work in a kind of step E for the hoisting transportation technique of offshore wind farm jacket of the present invention
The connection schematic diagram of dress and deck.
Fig. 5 is a kind of schematic diagram of the step H of the hoisting transportation technique for offshore wind farm jacket of the present invention.
Fig. 6 is a kind of side view of the step H of the hoisting transportation technique for offshore wind farm jacket of the present invention.
Fig. 7 is that a kind of structure of the fixed card buckle structure of the hoisting transportation technique for offshore wind farm jacket of the present invention is shown
It is intended to.
Figure label: 1- pipe casing, 2- stull pipe, 3- down tube, 4- sacrificial anode part, 5- lifting lug, 6- shackle, 7- steel wire
Rope, 8- cargo ship, the deck 9-, 10- steel plate, 11- unitary tray tooling, 12- gantry crane, 13- fine tuning main hook, 14- vertical pole,
15- cross bar, 16- brace, 17- pinch plate, 18- vertical portion, 19- transverse part, 20- support plate, 21- arc surface.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
As shown in Figure 1, a kind of hoisting transportation technique for offshore wind farm jacket, wind-powered electricity generation jacket includes four pile protections
Stull pipe group, the down tube group of pipe 1 and the two neighboring pipe casing 1 of connection, stull pipe group include being set up and down two groups
Stull pipe 2, down tube group are placed between two groups of stull pipes 2, and each down tube group includes two down tubes 3 arranged in a crossed manner, right
Multiple sacrificial anode parts 4 are respectively equipped on two down tubes 3 that should be arranged, any down tube group, which is equipped with, leans on ship part, lifting fortune
Defeated technique includes hull positioning, selection suspension centre, chooses wirerope, transport moulding bed, installation and transportation moulding bed, pre- lifting wind-powered electricity generation is selected to lead
Pipe support, lifting wind-powered electricity generation jacket, binding wind-powered electricity generation jacket；
Specific step is as follows:
A, hull positions: cargo ship is driven into deep water basin, in place afterwards using all around 4 lashing points by cargo ship system
Gu cargo ship is parallel to the long side of deep water basin, plant area is equipped with 1000T gantry crane, and gantry is placed on station keeping ship, is across depth
On water basin, cargo ship and station keeping ship are arranged in T font；
B, it selects suspension centre: 3 D stereo modeling being carried out to wind-powered electricity generation jacket, wind-powered electricity generation conduit is determined in three-dimensional stereo model
The center of gravity of frame finds a central point in the top position of the longitudinal axis where the center of gravity, it is first determined on any pipe casing 1
Suspension centre makes the angle between the straight line where central point and the suspension centre and the longitudinal axis where center of gravity be less than or equal to 30 °, and in
Heart point is 16-18 meters at a distance from the suspension centre, then using central point as the center of circle, using the distance of central point to the suspension centre as radius,
A sphere, the point that sphere is intersected with the other three pipe casing 1, as 3 suspension centres are modeled in three-dimensional stereo model, then are distinguished
The position of each suspension centre is measured in three-dimensional stereo model, and determines the laggard rower of hoisting point position on wind-powered electricity generation jacket
Then note installs the lifting lug 5 of 4 hoisting point positions, successively install 7 fake of shackle 6 and wirerope in hoisting point position, and by hoist cable
Tool is placed on above the Current Collector Sleave platform temporarily made；
C, choose wirerope: wind-powered electricity generation jacket product weight is G, and wirerope 7 and center of gravity longitudinal axis angle are α, steel wire
The rated load of rope 7 is T1, the vertical component for calculating every 7 stress of wirerope is G/4, is recorded as T2, then the stress of wirerope 7
For T2/ cos α, is recorded as T3, the wirerope 7 of selection then needs to meet rated load T1Greater than T3；
D, it selects transport moulding bed: selecting two unitary tray toolings as transport moulding bed；
E, installation and transportation moulding bed: as shown in figure 3, according to the span of wind-powered electricity generation jacket, by two unitary tray toolings 11
Separately be laid on the deck 9 of cargo ship 8, make four pipe casings 1 of wind-powered electricity generation jacket be located at two unitary tray toolings it
On, as shown in figure 4, being laid with the steel plate of 16-20mm different-thickness on 9 face of deck that unitary tray tooling 11 lays region
10, the deck plane holding for making unitary tray tooling 11 lay region is horizontal, and the steel plate 10 and deck plane of laying are solid by welding
It is fixed, two unitary tray toolings 11 are laid on steel plate 10, and unitary tray tooling 11 and steel plate 10 are welded
It is fixed；
F, wind-powered electricity generation jacket is lifted by crane in advance: as shown in Fig. 2, opening gantry crane 12 to empty position on wind-powered electricity generation jacket, gantry crane
12 fine tuning main hook 13 is located at the surface of wind-powered electricity generation jacket center of gravity, under stopping when dropping to interim Current Collector Sleave platform overhead
47 fake free ends of wirerope in step B are hung on fine tuning main hook 13 and lockked above, ensuring all and wind-powered electricity generation jacket by drop
Under the premise of component and wind-powered electricity generation the jacket disconnection of connection and safety of surrounding environment, fine tuning main hook is promoted, to wind-powered electricity generation jacket
When minimum point puts off the moulding bed highest point 100mm-120mm for placing wind-powered electricity generation jacket, fine tuning main hook 13 stops rising, ring
Under the Environmental security of wind-powered electricity generation jacket surrounding confirmation wind-powered electricity generation jacket, wirerope and surrounding, it is further continued for promoting fine tuning main hook；
G, lift by crane wind-powered electricity generation jacket: after checking that suspension centre is without exception, fine tuning main hook 13 continues to be lifted to predetermined altitude, starting dragon
Gantry crane, it is mobile toward deep water basin direction, stop translation after wind-powered electricity generation jacket to be moved to the overhead of deck designated position, under continuing
The fine tuning main hook 13 for dropping gantry crane, when wind-powered electricity generation jacket minimum point starts transport moulding bed of the contact on cargo ship 8, crawl
Decline fine tuning main hook 13 is until wind-powered electricity generation jacket entirety falls refute completely；
H, it binds wind-powered electricity generation jacket: as shown in Figure 5, Figure 6, after wind-powered electricity generation jacket falls refute completely, prefabricated being consolidated
The lateral location that buckle structure is arranged in wind-powered electricity generation jacket is determined, on wind-powered electricity generation jacket four stull pipes 2 placed below
It is respectively arranged fixed card buckle structure, the quantity of fixed card buckle structure is by calculating the lateral stressed of binding point on four stull pipes 2
It obtains.
The lateral stressed formula of binding point is calculated in further embodiment of the present invention, in step H are as follows: wind-powered electricity generation jacket
Product weight is G, and maximum roll angle of the cargo ship in corresponding waters is 20 °, and transverse component is F1=1.2sin20 °
G=0.41G, vertical component are F2=cos20 ° of G=0.94G；Since the confficient of static friction of steel and steel is u=0.15,
Learn maximum static friction force f=uF2=0.141G, and transversely acting resultant force is F3=F1-f=0.269G；Fixing card buckles
The quantity of structure is n, then the lateral stressed of each fixed card buckle structure is F4=F3/n=0.269G/n；It is calculated using analysis software
The binding point load cross force for determining each fixed card buckle structure is G1, it is assumed that when the quantity for drafting n in advance is 20, if G1 > F4,
Then the quantity value 20 of n is met the requirements, if when G1≤F4, the quantity value of n should be less than 20, and check again, until G1 >
F4.The quantity for being used for binding and fixing buckle structure on wind-powered electricity generation jacket is determined by calculating the lateral stressed of binding point, is made every
Stress on the binding point of a fixed card buckle structure can be met the requirements, and improve the stability of binding, while avoiding binding point again
On fixed card buckle structure the stull pipe of wind-powered electricity generation jacket is damaged since stress is larger.
In further embodiment of the present invention, unitary tray tooling includes multiple longitudinally disposed vertical poles 14 and multiple
The cross bar 15 being laterally arranged is placed between the vertical pole 14 and cross bar 15 of 8 front and back side of cargo ship and is equipped with brace 16, vertical pole 14, cross bar
15, brace 16 is i-beam structure.The setting of unitary tray tooling makes wind-powered electricity generation jacket realize integral hoisting, convenient fast
Duration, reusable, save the cost are saved in victory.It, can be as closing up in the wind-powered electricity generation jacket upper chunk segment folding stage
Moulding bed avoids ground that stress generation is concentrated to sink and cause the generation of major accident, increases wind-powered electricity generation jacket and tool part, tooling
The contact area of part and ground prevents wind-powered electricity generation jacket from generating expendable bending deformation because concentrating stress；In transport rank
There is camber on section, deck, can be leveled with this unitary tray tooling, make ship board and transport moulding bed uniform stressed,
It reduces and increases a large amount of reinforcement welding because bearing capacity part in deck is inadequate, avoid damage to Ship Structure.
In further embodiment of the present invention, as shown in fig. 7, fixed card buckle structure includes being placed in unitary tray tooling 11
Top and it is located at the I-shaped component of two side positions of the lower section of stull pipe 2 and is sleeved on the pinch plate 17 of 2 outer ring of stull pipe, buckle
Plate 17 is the U-shaped shape structure of opening down setting, and I-shaped component includes vertical along two of the setting of 2 extending direction of stull pipe
Portion 18 and the transverse part 19 being placed between two vertical portions 18, vertical portion 18 is consistent with the height of transverse part 19 and sets to flat
Set, vertical portion 18, transverse part 19 lower end connect with unitary tray tooling 11, under the upper end of transverse part 19 and pinch plate 17
End connection is placed between two transverse parts 19 of the 2 lower section left and right sides of stull pipe and is equipped with a support plate 20, and stull pipe 2 is placed in branch
On fagging 20, and the position that the upper surface of support plate 20 is contacted with stull pipe 2 is the arc surface 21 being recessed inwardly.Using buckle-type
Connection type, the operating procedure for avoiding tradition from binding by wirerope carries out operation of climbing without personnel, while buckle-type
Fixed card buckle structure sound construction, it is easy to use, distance, flexible operation can be adjusted in real time.
In further embodiment of the present invention, the position that 17 inside of pinch plate is contacted with stull pipe 2 is equipped with the three of 3-5mm
First EP rubbers pad, to prevent the paint corrosion-inhibiting coating on friction damage wind-powered electricity generation jacket surface.
In further embodiment of the present invention, welding further increases weld strength using being continuously fully welded in step E.
Present invention process step smooth sequential, lifting is firm, and binding securely, selects the setting of suspension centre, effectively solves in step B
Current wind-powered electricity generation jacket gravity center eccentric of having determined causes lifting process to cannot achieve the problem of horizontal lifting, realizes that wind-powered electricity generation conduit is erected
The levelness and smoothness hung change so that improving wind-powered electricity generation jacket falls efficiency and accuracy when refuting to ship board
Become tradition and wind-powered electricity generation jacket is directly fallen to the hoisting transportation technique refuted to ship board, fortune is set on the deck plane of cargo ship
Defeated moulding bed, while transporting moulding bed and laying the steel plate for being laid with different-thickness on the deck plane in region, solve the high bottom of deck level not
It puts down and causes wind-powered electricity generation jacket to shake, jiggly lifting defect, and binding wind-powered electricity generation jacket the step is also to change tradition
By the binding method of wirerope, wind-powered electricity generation jacket is fixedly connected with transport moulding bed by multiple fixed card buckle structures, is guaranteed
Transport Safety and stationarity are bound firm firm.
Above-described embodiment is presently preferred embodiments of the present invention, is not a limitation on the technical scheme of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into the invention patent
Rights protection scope in.
Claims (6)
1. a kind of hoisting transportation technique for offshore wind farm jacket, the wind-powered electricity generation jacket includes four pipe casings and company
Stull pipe group, the down tube group of two neighboring pipe casing are connect, the stull pipe group includes being set up and down two groups of stull pipes,
The down tube group is placed between two groups of stull pipes, and each down tube group includes two down tubes arranged in a crossed manner, corresponding
Multiple sacrificial anode parts are respectively equipped on two down tubes being arranged, any down tube group, which is equipped with, leans on ship part, it is characterised in that:
Hoisting transportation technique includes hull positioning, selection suspension centre, chooses wirerope, selection transport moulding bed, installation and transportation moulding bed, pre- lifting
Wind-powered electricity generation jacket, lifting wind-powered electricity generation jacket, binding wind-powered electricity generation jacket；
Specific step is as follows:
A, hull positions: it drives cargo ship into deep water basin, is in place afterwards consolidated cargo ship system using 4 lashing points all around,
Cargo ship is parallel to the long side of deep water basin, and plant area is equipped with 1000T gantry crane, and gantry is placed on station keeping ship, is across deep water
On basin, cargo ship and station keeping ship are arranged in T font；
B, it selects suspension centre: 3 D stereo modeling being carried out to wind-powered electricity generation jacket, wind-powered electricity generation jacket is determined in three-dimensional stereo model
Center of gravity finds a central point in the top position of the longitudinal axis where the center of gravity, it is first determined the suspension centre on any pipe casing,
The angle between the straight line where central point and the suspension centre and the longitudinal axis where center of gravity is set to be less than or equal to 30 °, and central point
With at a distance from the suspension centre be 16-18 meters, then using central point as the center of circle, using the distance of central point to the suspension centre as radius, three
It ties up and models a sphere in three-dimensional model, the point that sphere is intersected with the other three pipe casing, as 3 suspension centres, then respectively to each
The position of a suspension centre measures in three-dimensional stereo model, and is marked after determining hoisting point position on wind-powered electricity generation jacket,
Then the lifting lug for installing 4 hoisting point positions, successively installs shackle and wirerope fake in hoisting point position, and Current Collector Sleave is placed
On the Current Collector Sleave platform temporarily made；
C, choose wirerope: wind-powered electricity generation jacket product weight is G, and wirerope and center of gravity longitudinal axis angle are α, the volume of wirerope
Determining load is T1, the vertical component for calculating every wirerope stress is G/4, is recorded as T2, then the stress of wirerope is T2/ cos α,
It is recorded as T3, the wirerope of selection then needs to meet rated load T1Greater than T3；
D, it selects transport moulding bed: selecting two unitary tray toolings as transport moulding bed；
E, according to the span of wind-powered electricity generation jacket, two unitary tray toolings separately installation and transportation moulding bed: are laid in cargo ship
Deck on, be located at four pipe casings of wind-powered electricity generation jacket on two unitary tray toolings, in unitary tray tooling
The steel plate for being laid with 16-20mm different-thickness on the deck plane in region is laid, unitary tray tooling is made to lay the deck plane in region
Keep horizontal, steel plate and the deck plane of laying lay two unitary tray toolings on the steel plate by being welded and fixed, and right
Unitary tray tooling is welded and fixed with steel plate；
F, wind-powered electricity generation jacket is lifted by crane in advance: gantry crane being opened to empty position on wind-powered electricity generation jacket, the fine tuning main hook of gantry crane is located at wind
The surface of conductance pipe support center of gravity stops decline when dropping to interim Current Collector Sleave platform overhead, by 4 wirerope in step B
Fake free end is hung on above fine tuning main hook and locks, and is ensuring that all components connecting with wind-powered electricity generation jacket and wind-powered electricity generation jacket are disconnected
Open and safety of surrounding environment under the premise of, promoted fine tuning main hook, put off upper placement wind-powered electricity generation to wind-powered electricity generation jacket minimum point
When the moulding bed highest point 100mm-120mm of jacket, fine tuning main hook stops rising, and leads around wind-powered electricity generation jacket surrounding confirmation wind-powered electricity generation
Under the Environmental security of pipe support, wirerope and surrounding, it is further continued for promoting fine tuning main hook；
G, lift by crane wind-powered electricity generation jacket: after checking that suspension centre is without exception, fine tuning main hook continues to be lifted to predetermined altitude, starts gantry crane,
It is mobile toward deep water basin direction, stop translation after wind-powered electricity generation jacket to be moved to the overhead of deck designated position, continues decline dragon
The fine tuning main hook of gantry crane, when wind-powered electricity generation jacket minimum point starts transport moulding bed of the contact on cargo ship, crawl decline is micro-
Main hook is adjusted until wind-powered electricity generation jacket entirety falls refute completely；
H, it binds wind-powered electricity generation jacket: after wind-powered electricity generation jacket falls refute completely, prefabricated fixed card buckle structure being respectively arranged
In the lateral location of wind-powered electricity generation jacket, fixing card is respectively arranged on wind-powered electricity generation jacket four stull pipes placed below and is buckled
Structure, the quantity of fixed card buckle structure is by calculating lateral stressed the obtaining of binding point on four stull pipes.
2. a kind of hoisting transportation technique for offshore wind farm jacket according to claim 1, it is characterised in that: the step
The lateral stressed formula of binding point is calculated in rapid H are as follows: wind-powered electricity generation jacket product weight is G, and cargo ship is in corresponding waters
Maximum roll angle is 20 °, and transverse component is F1=1.2sin20 ° of G=0.41G, and vertical component is F2=cos20 ° of G
=0.94G；Since the confficient of static friction of steel and steel is u=0.15, maximum static friction force f=uF2=0.141G is learnt,
And transversely acting resultant force is F3=F1-f=0.269G；The quantity of fixed card buckle structure is n, then the cross of each fixed card buckle structure
It is F4=F3/n=0.269G/n to stress；It is calculated using analysis software and determines that the binding point of each fixed card buckle structure loads cross
Xiang Liwei G1, it is assumed that when the quantity for drafting n in advance is 20, if the quantity value 20 of G1 > F4, n are met the requirements, if when G1≤F4,
Then the quantity value of n should be less than 20, and check again, until G1 > F4.
3. a kind of hoisting transportation technique for offshore wind farm jacket according to claim 1, it is characterised in that: described one
Body formula tray tool includes multiple longitudinally disposed vertical poles and multiple cross bars being laterally arranged, and is placed in the vertical of cargo ship front and back side
Brace is equipped between bar and cross bar, the vertical pole, cross bar, brace are i-beam structure.
4. according to claim 1 or a kind of 3 hoisting transportation techniques for offshore wind farm jacket, it is characterised in that: institute
Stating fixed card buckle structure includes the I-shaped component for being placed in above unitary tray tooling and being located at two side positions below stull pipe
And be sleeved on the pinch plate of stull pipe outer ring, the pinch plate be opening down setting U-shaped shape structure, described I-shaped group
Part includes two vertical portions and the transverse part that is placed between two vertical portions along the setting of stull pipe extending direction, described perpendicular
It is consistent with the height of transverse part to portion and to flat setting, the vertical portion, transverse part lower end connect with unitary tray tooling,
The upper end of the transverse part and the lower end of pinch plate connect, and are placed in below stull pipe and are equipped between two transverse parts of the left and right sides
One support plate, the stull pipe are placed in support plate, and the position that the upper surface of support plate is contacted with stull pipe is to be recessed inwardly
Arc surface.
5. a kind of hoisting transportation technique for offshore wind farm jacket according to claim 4, it is characterised in that: the card
The position contacted on the inside of buckle with stull pipe is equipped with the ethylene-propylene-diene monomer rubber mat of 3-5mm.
6. a kind of hoisting transportation technique for offshore wind farm jacket according to claim 1, it is characterised in that: step E
Middle welding is used and is continuously fully welded.
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| CN201811017034.6A CN109052169B (en) | 2018-09-03 | 2018-09-03 | A kind of hoisting transportation technique for offshore wind farm jacket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811017034.6A CN109052169B (en) | 2018-09-03 | 2018-09-03 | A kind of hoisting transportation technique for offshore wind farm jacket |
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| CN109052169B true CN109052169B (en) | 2019-09-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897097A (en) * | 1974-01-07 | 1975-07-29 | Jr Howard G Davis | Flying fork-type lifting member |
| US5893471A (en) * | 1997-06-05 | 1999-04-13 | Zakula; Daniel Brian | Freely-movable auxiliary hoist for a gantry crane and method for pivoting a load |
| CN107089584A (en) * | 2017-03-01 | 2017-08-25 | 南通蓝岛海洋工程有限公司 | A kind of jacket lifts technology for binding |
| CN107685835A (en) * | 2017-03-21 | 2018-02-13 | 南通蓝岛海洋工程有限公司 | A kind of wind-powered electricity generation steel-pipe pile hoisting transportation technique |
-
2018
- 2018-09-03 CN CN201811017034.6A patent/CN109052169B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3897097A (en) * | 1974-01-07 | 1975-07-29 | Jr Howard G Davis | Flying fork-type lifting member |
| US5893471A (en) * | 1997-06-05 | 1999-04-13 | Zakula; Daniel Brian | Freely-movable auxiliary hoist for a gantry crane and method for pivoting a load |
| CN107089584A (en) * | 2017-03-01 | 2017-08-25 | 南通蓝岛海洋工程有限公司 | A kind of jacket lifts technology for binding |
| CN107685835A (en) * | 2017-03-21 | 2018-02-13 | 南通蓝岛海洋工程有限公司 | A kind of wind-powered electricity generation steel-pipe pile hoisting transportation technique |
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| CN109052169A (en) | 2018-12-21 |
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Effective date of registration: 20231122 Address after: 226300 Tongzhou Bay Jianghai Linkage Development Demonstration Zone, Nantong City, Jiangsu Province, China, West Side of Sanjiasha West Port Pool and East Side of Inner Port Pool Branch Road Patentee after: Tianshun Marine Equipment (Jiangsu) Co.,Ltd. Address before: 226300 inner side of sanjiasha harbor in Tongzhou Bay River Sea joint development demonstration zone, Nantong City, Jiangsu Province Patentee before: Nantong Changfeng new energy equipment Technology Co.,Ltd. |
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