CN113277017B - Shipping method of 8MW suction pile type jacket foundation - Google Patents
Shipping method of 8MW suction pile type jacket foundation Download PDFInfo
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- CN113277017B CN113277017B CN202110828366.8A CN202110828366A CN113277017B CN 113277017 B CN113277017 B CN 113277017B CN 202110828366 A CN202110828366 A CN 202110828366A CN 113277017 B CN113277017 B CN 113277017B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007667 floating Methods 0.000 claims abstract description 95
- 238000011068 loading method Methods 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229920002521 macromolecule Polymers 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 240000002132 Beaucarnea recurvata Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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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
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
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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
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
Abstract
The invention discloses a shipping method of an 8MW suction pile type jacket foundation, which comprises the following steps: (1) preparing the following equipment and tools; (2) mounting a lifting appliance on a hook head of a floating crane; (3) the three hand-operated lock pins are respectively arranged on the side surface of a main lifting lug at the top of the suction pile type jacket foundation; (4) the lifting appliance is connected with the suction pile type jacket foundation; (5) hoisting a suction pile type jacket foundation; (6) the floating crane and the suction pile type jacket foundation are integrally moved and transported and the steering is completed on the way; (7) the tugboat transfers the floating crane and the suction pile type jacket foundation to a specified position; (8) a floating crane falls off a hook, and the suction pile type jacket foundation is lowered to a position about 1m away from the deck of the transportation barge; (9) with the aid of the hoist, the floating crane falling hook falls the suction pile type jacket foundation to a specified position on the deck of the transportation barge. The shipping method has the advantages of low cost, simple operation, less shipping time and less shipping limit.
Description
Technical Field
The invention relates to the field of wind power equipment installation, in particular to a shipping method of an 8MW suction pile type jacket foundation.
Background
Wind power generation is one of the most mature, scaled and commercialized power generation modes in the new energy field. Compared with the onshore wind power plant, the offshore wind power plant is more and more emphasized by developed countries due to the advantages of superior wind resources, environmental protection, land conservation, large scale and the like, and the offshore wind power plant construction is set as the key point of large-scale wind power development in the future in Germany, England, Denmark and other countries.
The fan is installed on suction pile formula jacket basis, and suction pile formula jacket basis still has advantages such as steel volume is economized, can reduce the cost, construction equipment demand is single, the installation is quick simple and convenient, conveniently demolish except having the advantage of traditional steel pipe formula jacket basis, consequently more and more wind-powered electricity generation field selects to use suction pile formula jacket basis.
Along with the continuous expansion of wind power plant scale, the suction pile type jacket foundation is also bigger and bigger, the whole size of the current 8MW suction pile type jacket foundation is 40m 36m, the height is 80-90 m, the whole weight is 1800 t-3000 t, and the whole size is large due to the self weight, so that the shipment and the transportation are very inconvenient.
At present, main manufacturers for manufacturing 8MW suction pile type jacket foundations, such as a ponytail shipyard, a Huishen ocean and other companies use SPMT (self-propelled hydraulic flat car) roll-on-roll-off shipping, and the main defects of the scheme are as follows: (1) a special tray for roll-on installation needs to be manufactured under the foundation of the suction pile type jacket, the diameter of the tray is 10-15 m, the weight of the tray is 150-200 t, and the manufacturing cost of the tray is high; (2) the suction pile type jacket has heavy foundation weight, needs to be connected with and uses more SPMT self-propelled hydraulic flat cars, and is inconvenient to integrally synchronize and coordinate; (3) when the ship is rolled and loaded, the wharf plane and the deck surface of the transportation barge are required to be at the same height, the requirements on the tide level and the ballast are higher, and the operation time is limited; (4) the time spent on rolling and loading is long; (5) the requirement on the building site of the jacket foundation is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the shipping method of the 8MW suction pile type jacket foundation has the advantages of low cost, simplicity in operation, less shipping time and less shipping limitation.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the shipping method of the 8MW suction pile type jacket foundation is characterized by comprising the following steps: the method comprises the following steps:
(1) the following equipment and tools were prepared: the device comprises a floating crane with more than 3000t, three 3600 horsepower tugs, an anchor boat, a set of lifting appliance, three annular short lifting belts with the length of 3m and capable of loading macromolecules with the length of 800t, four annular long lifting belts with the length of 17m and capable of loading macromolecules with the length of 350t, three sets of hand-operated lock pins and a plurality of fixed supports; suction pile formula jacket basis is filled up by fixing support in advance to the fixing support equipartition welds on the bottom on suction pile formula jacket basis, and the structure of hoist includes: a cylindrical upright post and two balance beams which are horizontally arranged and move left and right, a bottom joist which is horizontally arranged and moves front and back is arranged below the upright post, the bottom end of the upright post is fixed with the rear part of the bottom joist, three diagonal draw bars which are uniformly arranged around the upright post are arranged around the upright post at 120 degrees, the top ends of the three diagonal draw bars are respectively connected and fixed with the top end of the upright post through lock pins, a horizontally arranged brace bar is respectively arranged at the left side and the right side of the rear part of the bottom joist, the inner ends of the two brace bars are respectively fixed with the rear part of the bottom joist, the two brace bars and the front part of the bottom joist are mutually arranged at 120 degrees, the bottom ends of the three diagonal draw bars are respectively fixed with the outer ends of the two brace bars and the front end of the bottom joist through lock pins, the middle part of one balance beam is connected with the rear end of the bottom joist, the middle part of the other, the two balance beams are connected with the bottom joist through a cross-shaped hinge seat, the upper part of the cross-shaped hinge seat is hinged with the middle part of the balance beam, so that the balance beam can swing left and right, the lower part of the cross-shaped hinge seat is hinged with the bottom joist, so that the cross-shaped hinge seat can drive the balance beam to swing front and back, the two balance beams are arranged in parallel, and two ends of the two balance beams are respectively inserted with a pin shaft;
(2) adjusting the position of a floating crane, then hoisting a lifting appliance to the lower part of a hook head of the floating crane through a high-altitude door machine and a truck crane, folding each long hanging strip in half and hanging two ends of the long hanging strip on two sides of one hook head of the floating crane respectively, hanging the folded part of each long hanging strip on a pin shaft, so that the lifting appliance can be hung on four hook heads of the floating crane through four folded long hanging strips, and then hanging the upper ends of three short hanging strips on three lock pins at the outer ends of two support rods and the front end of a bottom supporting beam of the lifting appliance respectively;
(3) the anchor boat is matched with the floating crane to be anchored near a working water area, and a stranded cable on the floating crane is connected with a wharf; the high-altitude machine is matched, three sets of hand-operated lock pins are respectively hoisted, then the three hand-operated lock pins are respectively installed on the side surface of one main lifting lug at the top of the suction pile type jacket foundation through manpower, and the three sets of hand-operated lock pins are all kept in a withdrawing state;
(4) using a tugboat for assistance, then moving and adjusting the position of a floating crane by retracting a stranded cable on the floating crane, so that the floating crane can lift a lifting appliance to the position right above a suction pile type jacket foundation, then continuously adjusting the position of the floating crane and the angle of a floating crane arm rod by a floating crane arm, so that the lifting appliance can move downwards to be close to the top of the suction pile type jacket foundation, thereby enabling the lower ends of three short lifting belts to respectively fall into three main lifting lugs at the top of the suction pile type jacket foundation under manual adjustment, and then manually shaking three hand-operated lock pins respectively to enable lock rods therein to extend out to penetrate through the short lifting belts, so that the lower ends of the three short lifting belts can be respectively connected with the three main lifting lugs at the top of the suction pile type jacket foundation by hanging the lock rods extending out of the hand-operated lock pins;
(5) adjust floating crane offshore distance and armed lever angle, then the floating crane slowly lifts the hook, until lifting suction pile formula jacket basis, and then static 5 minutes later do the brake test, the brake test: lifting the suction pile type jacket foundation for 1m, then lowering the suction pile type jacket foundation to 0.5m, and repeating the steps twice; the suction pile type jacket foundation can be continuously lifted only after no abnormality exists;
(6) hoisting the suction pile type jacket foundation to a specified height to avoid the dock gate and the position of a bollard, and then carrying out integral backward movement of the suction pile type jacket foundation by floating crane; then the connection with the stranded cable on the floating crane is released on land, and the anchor boat is matched with the cable-lifting on the water surface; then using three tugboats to integrally move the floating crane together with the suction pile type jacket foundation and finish steering on the way; before moving, the shallow water area on the lifting path of the floating crane needs to be subjected to dredging and desilting in advance according to a sea-sweeping map, so that the grounding condition of the floating crane is prevented in the moving process;
(7) the floating crane and the suction pile type jacket foundation are transferred to a specified position by the tugboat, the anchor boat is matched with the anchor, and a stranded cable on the floating crane is connected with the wharf;
(8) moving and adjusting the position of the floating crane by retracting and releasing a stranded cable on the floating crane so that the suction pile type jacket foundation can be lifted above a specified position on a transportation barge, then floating and lifting a hook, lowering the suction pile type jacket foundation to a position about 1m away from a deck of the transportation barge, and then connecting a pre-prepared 10t hoist with the suction pile type jacket foundation by a positioning person so as to assist in pier falling;
(9) with the aid of a hoist, a floating crane falling hook falls the suction pile type jacket foundation to a specified position on a deck of a transportation barge, then the suction pile type jacket foundation and the transportation barge are fixed manually by welding a fixed support and the deck, then a high-speed crane is matched, and a lifting appliance and the top of the suction pile type jacket foundation are manually unfastened.
Further, the shipping method of the 8MW suction pile jacket foundation comprises: when the floating crane lifts the suction pile type jacket foundation, the included angle between the arm rod of the floating crane and the horizontal direction is always kept at 66 degrees.
Further, the shipping method of the 8MW suction pile jacket foundation comprises: when the floating crane lifts the suction pile type jacket foundation, included angles between a lifting cable where each hook head of the floating crane is located and the vertical direction are not larger than 7 degrees.
The invention has the advantages that: the ship loading method has the advantages that the limitation condition on the construction site is small, the ship loading method is also suitable for building the slipway and the dock, the extra cost of the tray is not needed, the cost is low, the whole hoisting is rapid and convenient, the influence of the damp position is small, and the ship loading efficiency is high under the condition of sufficient preparation.
Drawings
Fig. 1 is a schematic diagram of the floating crane for hoisting an 8MW suction pile type jacket foundation according to the invention.
Fig. 2 is a schematic structural view of the spreader shown in fig. 1.
Fig. 3 is a schematic top view of fig. 2.
Fig. 4 is a left side view of the structure of fig. 2.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and the attached drawings.
As shown in fig. 1, the shipping method of 8MW suction pile jacket foundation includes the following steps:
(1) the following equipment and tools were prepared: the device comprises a floating crane 7 with more than 3000t, three 3600 horsepower tugs, an anchor boat, a set of lifting appliance 10, three annular short lifting belts 81 with the length of 3m and capable of loading macromolecule with the length of 800t, four annular long lifting belts 8 with the length of 17m and capable of loading macromolecule with the length of 350t, three sets of hand-operated lock pins and a plurality of fixed supports; suction pile formula jacket basis 9 is in advance filled up by the fixing support to the fixing support equipartition welds on the bottom of suction pile formula jacket basis 9, as shown in fig. 2, 3, 4, the structure of hoist 10 includes: a cylindrical upright post 1 and two balance beams 2 which are horizontally arranged and move left and right, a bottom joist 3 which is horizontally arranged and moves front and back is arranged below the upright post 1, the bottom end of the upright post 1 is fixed with the rear part of the bottom joist 3, three diagonal draw bars 4 which are uniformly arranged around the upright post 1 are arranged around the upright post 1, the three diagonal draw bars 4 are mutually distributed at 120 degrees, the top ends of the three diagonal draw bars 4 are respectively connected and fixed with the top end of the upright post 1 through lock pins, the left side and the right side of the rear part of the bottom joist 3 are respectively provided with a horizontally arranged brace bar 5, the inner ends of the two brace bars 5 are respectively fixed with the rear part of the bottom joist 3, the front parts of the two brace bars 5 and the bottom joist 3 are mutually distributed at 120 degrees, the bottom ends of the three diagonal draw bars 4 are respectively fixed with the outer ends of the two brace bars 5 and the front end of the bottom joist 3 through lock pins, the middle part of one balance beam 2 is connected with the rear end of the bottom joist 3, the middle part of the other balance beam 2 is connected with the front part of the bottom joist 3, the two balance beams 2 are connected with the bottom joist 3 through a cross-shaped hinge seat 6, the upper part of the cross-shaped hinge seat 6 is hinged with the middle part of the balance beam 2, so that the balance beam 2 can swing left and right, the lower part of the cross-shaped hinge seat 6 is hinged with the bottom joist 3, so that the cross-shaped hinge seat 6 can drive the balance beam 2 to swing back and forth, the two balance beams 2 are arranged in parallel, and two ends of the two balance beams 2 are respectively inserted with a pin shaft 21;
(2) adjusting the position of a floating crane 7, hoisting a lifting appliance 10 to the lower part of the hook head of the floating crane 7 through a high-speed gantry crane and a truck crane, folding each long lifting belt 8 in half and hanging two ends of the long lifting belt on two sides of one hook head of the floating crane 7 respectively, hanging the folded part of each long lifting belt 8 on a pin shaft 21, enabling the lifting appliance 10 to be hung on four hook heads of the floating crane 7 through four folded long lifting belts 8, and hanging the upper ends of three short lifting belts 81 on the outer ends of two support rods 5 of the lifting appliance 10 and three lock pins at the front end of a bottom supporting beam 3 respectively;
(3) the anchor boat is matched with the floating crane 7 to be anchored near a working water area, and a stranded cable on the floating crane 7 is connected with a wharf; the high-altitude machine is matched, three sets of hand-operated lock pins are respectively hoisted, then the three hand-operated lock pins are respectively installed on the side surface of one main lifting lug at the top of the suction pile type jacket foundation 9 through manpower, and the three sets of hand-operated lock pins are all kept in a withdrawing state;
(4) using a tugboat for assistance, then moving and adjusting the position of the floating crane 7 by retracting and releasing a stranded cable on the floating crane 7, so that the floating crane 7 can lift the lifting appliance 10 to be right above the suction pile type guide pipe frame foundation 9, then bending the arm of the floating crane 7 and continuously adjusting the position of the floating crane 7 and the angle of the arm lever of the floating crane 7, so that the lifting appliance 10 can move downwards to be close to the top of the suction pile type guide pipe frame foundation 9, so that the lower ends of the three short lifting belts 81 can respectively fall into three main lifting lugs at the top of the suction pile type guide pipe frame foundation 9 under manual adjustment, and then manually shaking the three hand-operated lock pins respectively to enable lock bars therein to extend out to penetrate through the short lifting belts 81, so that the lower ends of the three short lifting belts 81 can be respectively connected with the three main lifting lugs at the top of the suction pile type guide pipe frame foundation 9 by hanging the lock bars extending out of the hand-operated lock pins;
(5) adjust floating crane 7 off-shore distance and armed lever angle, then floating crane 7 slowly lifts up the hook, until hoisting suction pile formula jacket basis 9, and then static 5 minutes later does the brake test, the brake test: lifting the suction pile type jacket foundation 9 for 1m and then lowering the height to 0.5m, and repeating the steps twice; the suction pile type jacket foundation 9 can be continuously lifted only after no abnormity occurs;
(6) hoisting the suction pile type jacket foundation 9 to a specified height to avoid the dock gate and the cable pile, and then carrying the suction pile type jacket foundation whole 9 by floating crane to move backwards; then the connection with the stranded cable on the floating crane is released on land, and the anchor boat is matched with the cable-lifting on the water surface; then the floating crane 7 and the suction pile type jacket foundation 9 are integrally moved and transported by using three tugboats and the steering is completed on the way; before moving, a shallow water area on a lifting path of the floating crane 7 needs to be subjected to dredging and dredging in advance according to a sea-sweeping map, so that the grounding condition of the floating crane 7 is prevented in the moving process;
(7) the floating crane 7 and the suction pile type jacket foundation 9 are transferred to a specified position by the tugboat, the anchor boat is matched with the anchor, and a stranded cable on the floating crane 7 is connected with the wharf;
(8) moving and adjusting the position of the floating crane 7 by retracting and releasing a stranded cable on the floating crane 7 so that the suction pile type jacket foundation 9 can be lifted above a specified position on a transportation barge, then dropping the hook of the floating crane 7, lowering the suction pile type jacket foundation 9 to a position about 1m away from a deck of the transportation barge, and then connecting a pre-prepared 10t hoist with the suction pile type jacket foundation 9 by a positioning person so as to assist in pier dropping;
(9) with the aid of a hoist, a floating crane 7 falls to a specified position of a deck of a transportation barge by a hook, then the suction pile type jacket foundation 9 is fixed with the transportation barge by welding a fixed support and the deck manually, then a high-speed crane is matched, and a sling 10 and the top of the suction pile type jacket foundation 9 are detached manually.
In this embodiment, when the floating crane 7 lifts the suction pile jacket foundation 9, an included angle between the arm of the floating crane 7 and the horizontal direction is always kept at 66 degrees. The included angle between the suspension cable where each hook head of the floating crane 7 is located and the vertical direction is not more than 7 degrees.
The shipping method can make the 8MW suction pile type jacket foundation manufactured in a dock, and realize the integral descending of the hoisting height; extra tray manufacturing is not needed, and the construction period and the cost are reduced; the operation is relatively simple, and the problem of difficult synchronization and coordination during the use of the roll-on trolley is solved; the restriction of tide water is small during shipment, the shipment time arrangement is convenient, the link of adjusting the barge to adjust the ballast to be parallel to the wharf surface is reduced, and the time is saved; simple and easy operation, short operation time and low cost.
Claims (3)
- The shipping method of the 1.8MW suction pile type jacket foundation is characterized by comprising the following steps: the method comprises the following steps:(1) the following equipment and tools were prepared: the device comprises a floating crane with more than 3000t, three 3600 horsepower tugs, an anchor boat, a set of lifting appliance, three annular short lifting belts with the length of 3m and capable of loading macromolecules with the length of 800t, four annular long lifting belts with the length of 17m and capable of loading macromolecules with the length of 350t, three sets of hand-operated lock pins and a plurality of fixed supports; suction pile formula jacket basis is filled up by fixing support in advance to the fixing support equipartition welds on the bottom on suction pile formula jacket basis, and the structure of hoist includes: a cylindrical upright post and two balance beams which are horizontally arranged and move left and right, a bottom joist which is horizontally arranged and moves front and back is arranged below the upright post, the bottom end of the upright post is fixed with the rear part of the bottom joist, three diagonal draw bars which are uniformly arranged around the upright post are arranged around the upright post at 120 degrees, the top ends of the three diagonal draw bars are respectively connected and fixed with the top end of the upright post through lock pins, a horizontally arranged brace bar is respectively arranged at the left side and the right side of the rear part of the bottom joist, the inner ends of the two brace bars are respectively fixed with the rear part of the bottom joist, the two brace bars and the front part of the bottom joist are mutually arranged at 120 degrees, the bottom ends of the three diagonal draw bars are respectively fixed with the outer ends of the two brace bars and the front end of the bottom joist through lock pins, the middle part of one balance beam is connected with the rear end of the bottom joist, the middle part of the other balance beam is connected with the front part of the bottom joist, the two balance beams are connected with the bottom joist through a cross-shaped hinge seat, the upper part of the cross-shaped hinge seat is hinged with the middle part of the balance beam, so that the balance beam can swing left and right, the lower part of the cross-shaped hinge seat is hinged with the bottom joist, so that the cross-shaped hinge seat can drive the balance beam to swing front and back, the two balance beams are arranged in parallel, and two ends of the two balance beams are respectively inserted with a pin shaft;(2) adjusting the position of a floating crane, then hoisting a lifting appliance to the lower part of a hook head of the floating crane through a high-altitude door machine and a truck crane, folding each long hanging strip in half and hanging two ends of the long hanging strip on two sides of one hook head of the floating crane respectively, hanging the folded part of each long hanging strip on a pin shaft, so that the lifting appliance can be hung on four hook heads of the floating crane through four folded long hanging strips, and then hanging the upper ends of three short hanging strips on three lock pins at the outer ends of two support rods and the front end of a bottom supporting beam of the lifting appliance respectively;(3) the anchor boat is matched with the floating crane to be anchored near a working water area, and a stranded cable on the floating crane is connected with a wharf; the high-altitude machine is matched, three sets of hand-operated lock pins are respectively hoisted, then the three hand-operated lock pins are respectively installed on the side surface of one main lifting lug at the top of the suction pile type jacket foundation through manpower, and the three sets of hand-operated lock pins are all kept in a withdrawing state;(4) using a tugboat for assistance, then moving and adjusting the position of a floating crane by retracting a stranded cable on the floating crane, so that the floating crane can lift a lifting appliance to the position right above a suction pile type jacket foundation, then continuously adjusting the position of the floating crane and the angle of a floating crane arm rod by a floating crane arm, so that the lifting appliance can move downwards to be close to the top of the suction pile type jacket foundation, thereby enabling the lower ends of three short lifting belts to respectively fall into three main lifting lugs at the top of the suction pile type jacket foundation under manual adjustment, and then manually shaking three hand-operated lock pins respectively to enable lock rods therein to extend out to penetrate through the short lifting belts, so that the lower ends of the three short lifting belts can be respectively connected with the three main lifting lugs at the top of the suction pile type jacket foundation by hanging the lock rods extending out of the hand-operated lock pins;(5) adjust floating crane offshore distance and armed lever angle, then the floating crane slowly lifts the hook, until lifting suction pile formula jacket basis, and then static 5 minutes later do the brake test, the brake test: lifting the suction pile type jacket foundation for 1m, then lowering the suction pile type jacket foundation to 0.5m, and repeating the steps twice; the suction pile type jacket foundation can be continuously lifted only after no abnormality exists;(6) hoisting the suction pile type jacket foundation to a specified height to avoid the dock gate and the position of a bollard, and then carrying out integral backward movement of the suction pile type jacket foundation by floating crane; then the connection with the stranded cable on the floating crane is released on land, and the anchor boat is matched with the cable-lifting on the water surface; then using three tugboats to integrally move the floating crane together with the suction pile type jacket foundation and finish steering on the way; before moving, the shallow water area on the lifting path of the floating crane needs to be subjected to dredging and desilting in advance according to a sea-sweeping map, so that the grounding condition of the floating crane is prevented in the moving process;(7) the floating crane and the suction pile type jacket foundation are transferred to a specified position by the tugboat, the anchor boat is matched with the anchor, and a stranded cable on the floating crane is connected with the wharf;(8) moving and adjusting the position of the floating crane by retracting and releasing a stranded cable on the floating crane so that the suction pile type jacket foundation can be lifted above a specified position on a transportation barge, then floating and lifting a hook, lowering the suction pile type jacket foundation to a position about 1m away from a deck of the transportation barge, and then connecting a pre-prepared 10t hoist with the suction pile type jacket foundation by a positioning person so as to assist in pier falling;(9) with the aid of a hoist, a floating crane falling hook falls the suction pile type jacket foundation to a specified position on a deck of a transportation barge, then a fixed support and the deck are welded manually to fix the suction pile type jacket foundation and the transportation barge, then a high-speed crane is matched, and a lifting appliance and the top of the suction pile type jacket foundation are manually unlocked.
- 2. The method of loading an 8MW suction pile jacket foundation according to claim 1, wherein: when the floating crane lifts the suction pile type jacket foundation, the included angle between the arm rod of the floating crane and the horizontal direction is always kept at 66 degrees.
- 3. The method of loading an 8MW suction pile jacket foundation according to claim 1 or 2, wherein: when the floating crane lifts the suction pile type jacket foundation, included angles between a lifting cable where each hook head of the floating crane is located and the vertical direction are not larger than 7 degrees.
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| CN202110828366.8A CN113277017B (en) | 2021-07-22 | 2021-07-22 | Shipping method of 8MW suction pile type jacket foundation |
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