CN115771595A - Novel semi-submersible lifting platform and offshore wind power hoisting method - Google Patents
Novel semi-submersible lifting platform and offshore wind power hoisting method Download PDFInfo
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- CN115771595A CN115771595A CN202211643735.7A CN202211643735A CN115771595A CN 115771595 A CN115771595 A CN 115771595A CN 202211643735 A CN202211643735 A CN 202211643735A CN 115771595 A CN115771595 A CN 115771595A
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- wind power
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- lifting platform
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000005188 flotation Methods 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The invention discloses a novel semi-submersible lifting platform and an offshore wind power hoisting method, wherein the offshore wind power hoisting method comprises the following steps: the floating type wind power foundation is moved to the upper side of the semi-submersible type lifting platform and fixed, the hoisting ships are distributed around the floating type wind power foundation at intervals, and the propeller drives the whole to rotate so as to realize the construction process of fast hoisting of the wind power foundation in all directions. Rotatable regulation's propeller orders about the bulk rotation, can keep floating formula wind power basis hoist and mount boats and ships frock position all around unchangeable, realizes the quick hoist and mount work of facilities such as the wind power tower section of thick bamboo in each position of wind power basis, very big improvement installation effectiveness, and work load reduces, has solved the problem that hoist and mount boats and ships remove the conversion position low in efficiency of construction.
Description
Technical Field
The invention relates to a novel semi-submersible lifting platform and an offshore wind power hoisting method, and belongs to the technical field of offshore wind power construction.
Background
When a floating multi-nose fan is installed in deep sea, the fan is sometimes limited by a near-shore wharf and needs to be hoisted on the sea surface. When a fan is hoisted, hoisting ships carrying out different hoisting steps are distributed around the floating wind power foundation at intervals, although the hoisting ships distributed around the floating wind power foundation at intervals can carry out different hoisting steps, the floating wind power foundation is moored on the sea surface, the next hoisting step can be carried out only by moving the hoisting ship to a conversion position, the preparation working time period required before and after hoisting of the hoisting ships is long, and the problem of low construction efficiency of moving the conversion position of the hoisting ships exists.
Disclosure of Invention
In order to solve the technical problem, the invention provides a novel semi-submersible lifting platform.
The invention also provides an offshore wind power hoisting method.
The invention is realized by the following technical scheme.
The invention provides an offshore wind power hoisting method, which comprises the following steps: the floating type wind power foundation is moved to the upper side of the semi-submersible type lifting platform and fixed, the hoisting ships are distributed around the floating type wind power foundation at intervals, and the propeller drives the whole to rotate so as to realize the construction process of fast hoisting of the wind power foundation in all directions.
When the floating wind power foundation is moved to be fixed above the semi-submersible type lifting platform, the semi-submersible type lifting platform is firstly lowered to a position with a certain depth on the water surface before being fixed, and the floating wind power foundation is supported by the fixed semi-submersible type lifting platform after being fixed, so that one part of the floating wind power foundation stays in the water, and the other part of the floating wind power foundation is exposed out of the water surface.
A new semi-submersible lift platform comprising:
a three-fork buoyancy tank;
the propeller is rotatably installed at the bottom of the three-fork buoyancy tank and can drive the three-fork buoyancy tank to rotate around the center.
The three ends of the three-fork buoyancy tank are fixedly provided with supporting stand columns, and the supporting stand columns can lift, slide and stretch;
the center post is fixed in the middle of the three-fork buoyancy tank and comprises a fixed support and a sleeve, a cavity is formed in the bottom of the fixed support and is used for installing a driving motor, the driving motor is meshed with an adjusting screw rod through a bevel gear, the adjusting screw rod is rotatably connected to the bottom of the fixed support through a ball bearing, the sleeve is in threaded connection with the center block, and the center block is fixed in the middle of the three-fork buoyancy tank.
The supporting upright post consists of an upper upright post and a lower upright post which can be in sliding fit with the upper upright post, and the upper upright post and the lower upright post can slide relatively; and a support truss is arranged between the upper upright posts of the support upright posts.
The fixed support of center post is strengthened on the support truss through linking bridge connection, installs the stiffener of cross distribution between the linking bridge.
The floating type wind power foundation is matched with the novel semi-submersible lifting platform for use.
The floating wind power foundation comprises a plurality of floating body foundations which can float upwards or sink through water injection;
the two ends of the horizontal truss are connected between the floating body bases, so that the plurality of floating body bases and the plurality of horizontal trusses form a regular polygon; the inner surface of the horizontal truss is provided with a triangular rod;
at the reposition of redundant personnel tower at a plurality of body foundation centers, the reposition of redundant personnel tower is inboard at body foundation through connecting the truss connection, install the flow distribution plate on the reposition of redundant personnel tower, the flow distribution plate tip is located and connects between the truss and fixed triangular pyramid plate that is equipped with, and triangular pyramid plate surface is equipped with the through-hole.
The invention has the beneficial effects that: rotatable regulation's propeller orders about the bulk rotation, can keep floating formula wind-powered electricity generation basis hoist and mount boats and ships frock position all around unchangeable, realizes the quick hoist and mount work of facilities such as wind power tower cylinder in each position of wind-powered electricity generation basis, very big improvement installation effectiveness, work load reduces, has solved the problem that hoist and mount boats and ships remove the conversion position low in efficiency of construction.
Drawings
FIG. 1 is a schematic top view of the floating wind power foundation of the present invention;
FIG. 2 is a schematic front view of the new semi-submersible lift platform of the present invention;
FIG. 3 is a schematic partial cross-sectional view of the new semi-submersible lift platform of the present invention;
FIG. 4 is a schematic top view of the new semi-submersible lift platform of the present invention;
in the figure: 1-floating wind power foundation; 11-floating foundation; 12-a splitter column; 13-horizontal truss; 14-connecting trusses; 15-triangular pole; 16-a splitter plate;
2-a novel semi-submersible lifting platform; 21-supporting the upright column; 211-upper upright; 212-lower upright; 22-a central column; 221-fixed struts; 222-a sleeve; 23-a three-fork buoyancy tank; 231-a center block; 24-a support truss; 25-a connecting bracket; 26-a drive motor; 3-adjusting the screw rod; 4-a propeller.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1-2.
The invention relates to a novel semi-submersible lifting platform 2, which comprises:
a trifurcate buoyancy tank 23 capable of floating upward or sinking by water injection;
the propeller 4 is arranged at the bottom of the three-fork buoyancy tank 23, the propeller 4 can be rotatably arranged at the bottom of the three-fork buoyancy tank 23, and the propeller 4 can drive the three-fork buoyancy tank 23 to rotate around the center;
the supporting upright posts 21 are fixedly arranged on the three ends of the three-fork buoyancy tank 23, and the supporting upright posts 21 can rise and fall, slide and stretch; the supporting upright 21 is composed of an upper upright 211 and a lower upright 212 which can be in sliding fit with the upper upright 211, and the upper upright 211 and the lower upright 212 can slide relatively; a support truss 24 is arranged between the upper upright posts 211 of the support upright posts 21;
the center post 22 is fixed in the middle of the trifurcate buoyancy tank 23, the center post 22 is composed of a fixed support 221 and a sleeve 222, a cavity is arranged at the bottom of the fixed support 221 for installing the driving motor 26, the driving motor 26 is meshed with the adjusting screw rod 3 through a bevel gear, the adjusting screw rod 3 is rotatably connected to the bottom of the fixed support 221 through a ball bearing, the sleeve 222 is in threaded connection with the center block 231, and the center block 231 is fixed in the middle of the trifurcate buoyancy tank 23.
The driving motor 26 drives the adjusting screw rod 3 to move the fixing support 221 and the sleeve 2222 relatively, and to slide the upper column 211 and the lower column 212 relatively.
The fixed struts 221 of the central column 22 are connected to the supporting truss 24 through the connecting brackets 25 for reinforcement, and reinforcing rods distributed in a cross manner are installed between the connecting brackets 25.
The input end of the propeller 4 is rotatably connected with the output end of a walking motor arranged in the floating box unit, the input end of the walking motor is connected with the output end of a controller, and the input end of the controller is connected with the input end of a direction sensor arranged at the bottom end of the floating box.
The floating wind power generation device further comprises a floating wind power foundation 1 matched with the novel semi-submersible lifting platform 2 for use. The floating wind power foundation 1 comprises a plurality of floating foundation 11 which can float upwards or sink by injecting water, and the floating foundation 11 is arranged;
at the reposition of redundant personnel tower 12 at a plurality of body foundations 11 centers, reposition of redundant personnel tower 12 is connected at body foundations 11 inboards through connecting truss 14, install flow distribution plate 16 on the reposition of redundant personnel tower 12, flow distribution plate 16 tip is located and connects between truss 14 and fixedly is equipped with the triangular pyramid board, and the triangular pyramid board surface is equipped with the through-hole.
The invention also provides an offshore wind power hoisting method which comprises four steps of fixing the tool platform, installing the fan foundation, hoisting the wind power and disassembling the tool platform in sequence.
The fixture platform fixing step is as follows: by towing, the semi-submersible lifting platform 2 is moved to a tooling position, usually a deep water area of 20-30 m, and the adjusting screw rod 3 is rotated by the driving motor 26 to drive the fixed support 221 and the sleeve 2222 to move and the upper upright 211 and the lower upright 212 to slide, so that the semi-submersible lifting platform 2 is lifted and lowered in height, and the semi-submersible lifting platform 2 is fixed after being adjusted to a proper position, so that batch tooling operation can be realized.
The fan foundation installation steps are as follows: and (3) lowering the semi-submersible lifting platform 2 to a position with a certain depth on the water surface, and binding and fixing after the floating wind power foundation 1 is moved to the position above the semi-submersible lifting platform 2 by towing.
The wind power hoisting operation steps are as follows: then the floating wind power foundation 1 is lifted up through the semi-submersible lifting platform 2, so that one part stays in water, the other part is exposed out of the water surface, the self buoyancy of the floating body foundation 11 is utilized to reduce the load bearing of the semi-submersible platform, the hoisting ships are distributed around the floating wind power foundation 1 at intervals, then the hoisting ships are utilized to successively hoist the tower drums, engine rooms, hubs, blades and other parts in place to form a multi-aircraft-head fan on the floating body foundation 11, in the hoisting process, because the floating wind power foundation 1 is in a symmetrical polygonal structure, the supporting upright posts 21 can be utilized to limit the side ends of the wind power foundation, and then the rotatably adjustable propeller 4 drives the whole body to rotate, so that the positions of the hoisting ship tools around the floating wind power foundation 1 can be kept unchanged, the fast hoisting work of the wind power tower drums and other facilities in all directions of the wind power foundation is realized, the installation efficiency is greatly improved, and the workload is reduced; the problem of hoist and mount boats and ships remove conversion position work efficiency low is solved.
The tool platform dismounting steps are as follows: after the hoisting is finished, the semi-submersible lifting platform 2 continues to descend to a depth until the semi-submersible lifting platform 2 is separated from the floating wind power foundation 1, and then the semi-submersible lifting platform can be towed by the ship and dragged away freely.
Claims (8)
1. An offshore wind power hoisting method is characterized by comprising the following steps: the floating type wind power foundation (1) is moved to the upper part of the semi-submersible type lifting platform (2) to be fixed, the hoisting ships are distributed around the floating type wind power foundation (1) at intervals, and the propeller (4) drives the whole rotation to realize the construction process of fast hoisting of the wind power foundation in all directions.
2. Offshore wind power hoisting method according to claim 1, characterized in that: the floating type wind power foundation (1) is moved to the position above the semi-submersible type lifting platform (2) to be fixed, the semi-submersible type lifting platform (2) is firstly lowered to a position with a certain depth on the water surface before fixing, and the floating type wind power foundation (1) is supported by the fixed semi-submersible type lifting platform (2) to enable one part to stay in the water and the other part to be exposed out of the water surface.
3. A new semi-submersible lifting platform (2) for use in a method for offshore wind power hoisting according to claim 1, characterized in that it comprises:
a trifurcate buoyancy tank (23);
install propeller (4) in trident flotation tank (23) bottom, but propeller (4) rotatable mounting is in trident flotation tank (23) bottom, and propeller (4) can drive trident flotation tank (23) around the center rotation.
4. The new semi-submersible lift platform as recited in claim 3 wherein: the three ends of the three-fork buoyancy tank (23) are fixedly provided with supporting upright columns (21), and the supporting upright columns (21) can lift, slide and stretch;
the center column (22) is fixed in the middle of the trifurcate buoyancy tank (23), the center column (22) is composed of a fixing support column (221) and a sleeve (222), a cavity is formed in the bottom of the fixing support column (221) to install a driving motor (26), the driving motor (26) is meshed with the adjusting screw rod (3) through a bevel gear, the adjusting screw rod (3) is rotatably connected to the bottom of the fixing support column (221) through a ball bearing, the sleeve (222) is in threaded connection with the center block (231), and the center block (231) is fixed in the middle of the trifurcate buoyancy tank (23).
5. The new semi-submersible lift platform as recited in claim 4, wherein: the supporting upright (21) consists of an upper upright (211) and a lower upright (212) which can be in sliding fit with the upper upright (211), and the upper upright (211) and the lower upright (212) can slide relatively; and a support truss (24) is arranged between the upper upright columns (211) of the support upright columns (21).
6. The new semi-submersible lift platform as recited in claim 5, wherein: the fixed supporting columns (221) of the central column (22) are connected to the supporting truss (24) through connecting brackets (25) for reinforcement, and reinforcing rods which are distributed in a cross mode are installed between the connecting brackets (25).
7. The new semi-submersible lift platform as recited in claim 3 wherein: the wind power generation device is characterized by further comprising a floating wind power foundation (1) matched with the novel semi-submersible lifting platform (2) for use.
8. The novel semi-submersible lifting platform and offshore wind power hoisting method according to claim 7, characterized in that: the floating wind power foundation (1) comprises a plurality of floating body foundations (11) which can float upwards or sink through water injection, and the number of the floating body foundations (11) is multiple;
the horizontal trusses (13) are connected with the floating body bases (11), and two ends of each horizontal truss (13) are connected between the floating body bases (11), so that the plurality of floating body bases (11) and the plurality of horizontal trusses (13) form a regular polygon; a triangular rod (15) is arranged on the inner surface of the horizontal truss (13);
at reposition of redundant personnel tower (12) at a plurality of body foundations (11) center, reposition of redundant personnel tower (12) are connected inboard at body foundations (11) through connecting truss (14), install flow distribution plate (16) on reposition of redundant personnel tower (12), flow distribution plate (16) tip is located and connects between truss (14) and fixed triangular pyramid, and the triangular pyramid surface is equipped with the through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211643735.7A CN115771595A (en) | 2022-12-20 | 2022-12-20 | Novel semi-submersible lifting platform and offshore wind power hoisting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211643735.7A CN115771595A (en) | 2022-12-20 | 2022-12-20 | Novel semi-submersible lifting platform and offshore wind power hoisting method |
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| CN115771595A true CN115771595A (en) | 2023-03-10 |
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| CN202211643735.7A Pending CN115771595A (en) | 2022-12-20 | 2022-12-20 | Novel semi-submersible lifting platform and offshore wind power hoisting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116892199A (en) * | 2023-09-08 | 2023-10-17 | 中船黄埔文冲船舶有限公司 | Lifting foundation for offshore wind power installation platform and construction method thereof |
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| CN115465418A (en) * | 2022-09-01 | 2022-12-13 | 大连海事大学 | Platform integrating four-floating-body semi-submersible fan foundation and foldable net cage |
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2022
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Patent Citations (7)
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| CN105240221A (en) * | 2014-07-08 | 2016-01-13 | 广东强光海洋工程有限公司 | Semi-submersible raft type overwater wind power generation equipment turning along with wind |
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| Publication number | Priority date | Publication date | Assignee | Title |
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