CN102425530B - Split high-altitude butt-joint installation method of offshore wind generating set - Google Patents
Split high-altitude butt-joint installation method of offshore wind generating set Download PDFInfo
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- CN102425530B CN102425530B CN201110364980XA CN201110364980A CN102425530B CN 102425530 B CN102425530 B CN 102425530B CN 201110364980X A CN201110364980X A CN 201110364980XA CN 201110364980 A CN201110364980 A CN 201110364980A CN 102425530 B CN102425530 B CN 102425530B
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- 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
Abstract
The invention relates to a split high-altitude butt-joint installation method of an offshore wind generating set, and belongs to a wind driven generator construction method. The split high-altitude butt-joint installation method of the offshore wind generating set is characterized in that, firstly, an engine room, a hub, two blades of a wind driven generator on land or the deck of a transport barge are assembled into a whole ( usually called 'rabbit head'); then the rabbit head, a third-section fan tower tube and a third blade are all loaded on the transport barge and transported to an installing position of the offshore wind driven generator so as to carry out general installation of the rabbit head, the third-section fan tower tube and the third blade on an operation platform; and the construction method comprises the following construction steps: firstly, assembling the engine room, the hub and two blades of the wind driven generator; secondly, adjusting and installing a foundation ring of the wind driven generator; and thirdly, carrying out the split high-altitude butt-joint installation of the wind generating set. The installation method provided by the invention has the advantages of reducing the damage rate of parts of the wind driven generator generated by sea transportation and sea load, guaranteeing the installation quality of the wind driven generator and the security of operating staff, and having low construction cost.
Description
Technical field
The invention belongs to the wind-driven generator installation method, especially relate to a kind of offshore wind generating group high-altitude butt joint installation method.
Background technique
China's oceanic area is vast, the wind energy on the sea aboundresources, utilize the potential of coastal waters sea wind wind-power electricity generation very big, maturation development along with the offshore wind farm field technology, the installation of marine Large-scale Wind Turbines more and more widely, and the installation difficulty of marine Large-scale Wind Turbines is big, previously technology adopts integral hoisting, namely earlier on land with the tower tube, the cabin, wheel hub, vane group is synthetic whole, use super-huge transport barge whole Transporting then, two large-scale lifting crane barges of recycling carry out integral body and lift, and its shortcoming is: the whole marine transportation center of gravity of wind power generating set height, and tumbling has a big risk; Not only to increase substantially the ability of transportation and hanging device, and must consider that in the wind-driven generator design integral installation damping device is to reduce the clashing and breaking rate of sea-freight and sea dress; Installation process also will be strengthened the control of tower tube perpendicularity, so that the workmen increases, installation cost improves, and project investment increases.
Summary of the invention
The objective of the invention is to propose the empty butt joint of a kind of offshore wind generating component height installation method, greatly reduce the parts of wind-driven generator because of sea-freight and the extra large clashing and breaking rate that produces of adorning, guarantee installation quality and the safety of operators of wind-driven generator, reduce construction cost.
The object of the present invention is achieved like this: the empty butt joint of a kind of offshore wind generating component height installation method, be at first on the deck of land or transport barge with the cabin of wind-driven generator, wheel hub, two vane group to being integral (being commonly called as: " rabbit head "), be loaded in this rabbit head, three joint blower fan tower barrels and the 3rd blade on the transport barge together then, after transporting to the installation seat in the plane of offshore wind generating, carry out the overall installation of rabbit head, three joint blower fan tower barrels and the 3rd blade at working platform.
The empty butt joint of offshore wind generating component height is installed and is equipped with hoisting machine tool: wind-driven generator lifts main loop wheel machine 14 and adopts the 1000t-1200t crawler crane that is installed on the barge container, and auxilliary loop wheel machine 15 adopts 180t--250t crane barge.
The empty butt joint of a kind of offshore wind generating component height installation method proposed by the invention, its construction sequence is: one, the assembling of the cabin of wind-driven generator, wheel hub and two blades; Two, the adjustment of wind driven generator base ring is installed; Three, the butt joint of wind power generating set split high-altitude is installed.
Wherein:
One, the assembling of the cabin of wind-driven generator, wheel hub and two blades: (see figure 1)
On land or the deck of transport barge 13 assembling cabin 3, wheel hub 4 and two blades 2;
1), cabin 3 liftings: (annotate: this special hanger intends applying in addition patent of invention with special hanger, not specified (NS) herein) connects with cabin 3, be fixed on the both sides in cabin 3 with two ropes made of hemp (slip and restrict), be used for controlling the swing in cabin 3, with main loop wheel machine 14 lifting cabins 3, lie on the deck of transport barge 13;
2), wheel hub 4 docks with cabin 3: with auxilliary loop wheel machine 15 wheel hub 4 of slinging it is docked with cabin 3, uses bolt, carry out the nut pretension symmetrically with hydraulic spanner after, will assist loop wheel machine 15 loose hooks and remove suspender; With the hydraulic spanner clamping bolt second time, reach final moment requirement;
3), blade 2 docks with wheel hub 4:
A), the change sizing device that uses wheel hub 4 to carry transfers wheel hub 4 and blade 2 flange connecting faces in the horizontal direction, and is right with the group that makes things convenient for blade 2, the butt joint of maintenance level;
B), (annotate: this special hanger has applied for that name is called the utility model patent of " blades of large-scale wind driven generator special hanger " with special hanger with blade 2, the patent No. is 200920172117.2) fixing, with auxilliary loop wheel machine 15 blade 2 of slinging, after sharf and wheel hub 4 epitrochanterian holes are aligned, all bolt correspondences are penetrated wheel hub 4, with the hydraulic torque spanner each bolton is arrived regulation moment with fixed installation blade 2;
C), below blade 2, support with sleeper, remove special hanger then; Repeat said method another sheet blade 2 is installed;
4) will assemble all-in-one-piece cabin 3, wheel hub 4 and two blade 2(, then and be rabbit 1), three joint blower fan tower barrels 5 and the 3rd blade 2 all be loaded on the transport barge 13, transport to the sea of wind-driven generator the seat in the plane be installed.
Two, the adjustment of wind driven generator base ring is installed: (seeing Fig. 2, Fig. 3)
The levelness of wind driven generator base ring 8 is the keys that guarantee tower tube 5 installation perpendicularity, reduce cabin 3 eccentric bending moments; The adjustment installation method of wind driven generator base ring 8 is as follows:
Wind driven generator base ring 8 is installed the regulating device of levelness mainly by main support rod 10, diagonal brace 6, regulate bolt 7 and adjusting nut 12 compositions, on the ring 9 of the flange in the bottom dish outer of foundation ring 8, offer bolt hole circumference uniform distribution, and be good on the ring 9 of the flange in the bottom dish outer of foundation ring 8, to offer three bolts hole circumference uniform distribution, even the radial center line of these three bolts hole is mutually the 60o angle respectively, each main support rod 10 also is circumference uniform distribution and vertically arranges accordingly, and three main support rods 10 vertically are set accordingly for good with circumference uniform distribution, this main support rod 10 adopts hotrolling seamless pipe, and the center line of each bolt hole of offering on the center line of this each main support rod 10 and the foundation ring 8 is corresponding to the same, rectangular plate 11 respectively is welded at the bottom of each main support rod 10 and top, the adjusting bolt 7 that is welded respectively and is installed with adjusting nut 12 at the center of each top rectangular plate 11, and make the center line of each bolt hole of offering on the center line of respectively regulating bolt 7 and the foundation ring 8 corresponding consistent, simultaneously each in twos between top section and the end section of adjacent main support rod 10 respectively the corresponding diagonal brace 6 that is welded to form firm steel structure supporting frame, with the corresponding welding of embedded part on the rectangular plate 11 of the bottom of each main support rod 10 of this steel structure supporting frame and the wind-driven generator concrete basis 16, with auxilliary loop wheel machine 15 foundation ring 8 is sling, each bolt hole of offering on the foundation ring 8 flange in the bottom dish outers ring 9 is aimed at respectively respectively regulated bolt 7 on the supporting frame, each is regulated bolt 7 penetrate bolt hole, make foundation ring 8 supports installation in position on each adjusting nut 12, the auxilliary not loose hook of loop wheel machine 15 still keeps stress; When foundation ring 8 levelnesss are adjusted, at first with precise leveling instrument the levelness of manned foundation ring 8 is measured, method of measurement is with precision level and scale, three directions of 120 ° are measured being separated by, every place surveys three points, difference of height (levelness) is answered≤2mm, find that the levelness of certain strong point is overproof if measure the back, then with the foundation ring section jack-up of jack with this strong point, drive foundation ring 8 by the adjusting nut 12 that rotates this place and do oscilaltion, to regulate the levelness of foundation ring 8, when levelness reaches designing requirement, the adjusting nut 12 on the bolt 7 is respectively regulated in locking respectively, and on the adjusting bolt section that respectively passes foundation ring 8 flange in the bottom dish outers ring 9 the spinning nut with fixing, finish the levelness adjustment of foundation ring 8, unclamp auxilliary loop wheel machine 15 suspension hooks, concreting all is embedded in supporting frame (regulating device) and the foundation ring 8 of steel structure in the wind-driven generator concrete basis 16 then.
Three, the butt joint of wind power generating set split high-altitude is installed: (seeing Fig. 4, Fig. 5)
During the wind power generating set partial installation, lift earlier three joint tower tubes 5 respectively successively, lift rabbit 1 again, at last aloft with the 3rd blade 2 and wheel hub 4 butt joints;
Concrete installation method is as follows:
A), tower tube lifting:
Three sections of 5 fens upper, middle and lower of tower tube, lifting be in proper order lift down successively, in, epimere tower tube 5;
Special hanger is fixed on the top of hypomere tower tube 5 and bottom, and (annotate: this special hanger has applied for that name is called the utility model patent of " bidirectional modulation wind generator tower tube lifting special combination suspender ", application number is 201120237745.1), the top special hanger of main loop wheel machine 14 with hypomere tower tube 5 is connected, auxilliary loop wheel machine 15 is connected with the bottom special hanger of hypomere tower tube 5, main, auxilliary loop wheel machine 14, the 15 tower tubes 5 of slinging leave transport barge 13, slowly tower tube 5 is winched to plumbness by level, to assist loop wheel machine 15 loose hooks then, remove the special hanger of hypomere tower tube 5 bottoms, lift to wind driven generator base ring 8 hypomere tower tube 5 and corresponding installing on the bolt of foundation ring 8 with a main loop wheel machine 14, in tower tube 5 inboards packing ring and nut are installed on the bolt of foundation ring 8, with impact wrench the nut on the one circle foundation ring 8 is tightened in advance, with the Tightening moment of hydraulic wrench by design, press diagonal angle order fastening nut successively again;
The mounting process of upper, middle and lower section tower tube 5 is basic identical, difference is: stage casing tower tube 5 flange in the bottom are connected with the top flange of hypomere tower tube 5, stage casing tower tube 5 top flange are connected with epimere tower tube 5 flange in the bottom, and cabin 3 flanges of epimere tower tube 5 top flange and rabbit 1 are connected;
B), rabbit head lifting:
The suspender rigging is installed on the lifting retaining ring of rabbit 1, (annotate: this edge protector intends applying in addition utility model patent at the edge protector of every blade 2, not specified (NS) herein) respectively hangs up the long rope of a 150～200m on as slipping rope, swing and displacement with blade 2 in the control hoisting process, behind the locking cabin 3, after by main loop wheel machine 14 rabbit 1 being winched to setting height(from bottom), cabin 3 is installed on the abutted flange on plane, epimere tower tube 5 top, adopt bolt, and with the Tightening moment of hydraulic wrench by design, press diagonal angle order fastening nut successively;
C), the 3rd blade lifting:
The change sizing device that uses wheel hub 4 to carry is transferred wheel hub 4 and the 3rd blade 2 flange connecting faces in the horizontal direction, to dock with the level of the 3rd blade 2; The 3rd blade 2 is fixing with special hanger (annotate: this special hanger has been applied for utility model patent), fasten the long slide rope of two 150m～200m at the afterbody of blade 2, so that the swing of control blade 2, with main loop wheel machine 14 the 3rd blade 2 of slinging slowly, with itself and the corresponding connection of wheel hub 4 flange plate, and moment is fastening with hydraulic wrench in accordance with regulations.
The empty butt joint of a kind of offshore wind generating component height installation method proposed by the invention, the parts of wind-driven generator have greatly been reduced because of sea-freight and the extra large clashing and breaking rate that produces of adorning, guarantee wind-driven generator installation quality and safety of operators, reduce construction cost, be particularly suitable for the installation of the wind-driven generator in the more shallow zone of coastal waters water level.
Now in conjunction with the accompanying drawings and embodiments the empty butt joint of a kind of offshore wind generating component height installation method proposed by the invention is further described.
Description of drawings
Fig. 1 is the schematic representation of one of step of the empty butt joint of a kind of offshore wind generating component height proposed by the invention installation method, (cabin 3, wheel hub 4 and two blades 2 are assembled into rabbit 1).
Fig. 2 is the empty two main schematic representation (adjustment of foundation ring 8 is installed) of looking that dock the step of installation method of a kind of offshore wind generating component height proposed by the invention.
Fig. 3 is empty two schematic top plan view (adjustment of foundation ring 8 is installed) of docking the step of installation method of a kind of offshore wind generating component height proposed by the invention.
Fig. 4 is three schematic representation (lifting of tower tube 5) of the step of the empty butt joint of a kind of offshore wind generating component height proposed by the invention installation method.
Fig. 5 is three the schematic representation (rabbit 1 lifting) of the step of the empty butt joint of a kind of offshore wind generating component height proposed by the invention installation method.
Among Fig. 1～Fig. 5:
1, rabbit 2, blade 3, cabin 4, wheel hub 5, tower tube 6, diagonal brace 7, regulate bolt 8, foundation ring 9, flange plate outer ring 10, main support rod 11, rectangular plate 12, adjusting nut 13, transport barge 14, main loop wheel machine 15, auxilliary loop wheel machine 16, wind-driven generator concrete basis.
Embodiment
Embodiment
Coastal waters, Jiangsu wind energy turbine set wind-driven generator project, the empty butt joint of a kind of offshore wind generating component height installation method that adopts the present invention to propose is installed wind power generating set, and installation steps are:
One, the assembling of the cabin of wind-driven generator, wheel hub and two blades:
A), the lifting machine of wind power generating set: main loop wheel machine 14 adopts the CC5800 type 1000t crawler crane that is installed on the barge container, and operating mode is configured to: SSL operating mode, principal arm 90m, turning radius 26m, nominal load 154t, auxilliary loop wheel machine 15 employing 200t crane barges;
B), cabin lifting:
Special hanger and cabin 3 are connected, be fixed on the both sides in cabin 3 with two ropes made of hemp, be used for controlling cabin 3 swings, lift cabins 3 with main loop wheel machine 14, lie on the deck of transport barge 13;
C), wheel hub docks with the cabin:
With auxilliary loop wheel machine 15 wheel hub 4 of slinging it is docked with cabin 3, uses bolt, carry out the nut pretension symmetrically with hydraulic spanner after, with main loop wheel machine 14 loose hooks and remove suspender; For the second time fastening with hydraulic spanner, reach final moment requirement;
D), blade docks with wheel hub:
The change sizing device that uses wheel hub 4 to carry is transferred wheel hub and blade 2 adpting flange faces in the horizontal direction, guarantees that two blades 2 dock assembling with wheel hub 4 levels; Blade 2 and special hanger are fixed, with auxilliary loop wheel machine 15 blade 2 of slinging, after sharf and wheel hub 4 epitrochanterian holes are aligned, all bolt correspondences are penetrated wheel hub 4, with the hydraulic torque spanner with each bolton to regulation moment with fixed installation blade 2, cabin 3, wheel hub 4 and two blades 2 are assembled into rabbit 1;
Then rabbit 1, three a joint blower fan tower barrel 5 and the 3rd blade 2 are loaded on the transport barge 13 together, transport to the installation seat in the plane of offshore wind generating.
Two, the adjustment of wind driven generator base ring is installed:
Make three bolts hole at flange plate outer, the lower end of foundation ring 8 ring 9, distinguish 60 ° of angles each other between each bolt hole radial center line, totally three of foundation ring main support rods 10, adopt the hotrolling seamless pipe of Ф 168 ㎜, the rectangular plate 11 of 300 * 300 * 20 ㎜ is respectively welded at two ends up and down, adjusting bolt 7 and each main support rod 10 top rectangular plates 11 welding with M30, each is regulated and screws in an adjusting nut 12 on the bolt 7, each main support rod 10 bottom rectangular plate 11 is welded as a whole with wind-driven generator concrete basis 16 embedded parts, the diagonal brace 6 that is welded respectively between three main support rods 10, this diagonal brace 6 adopts the steel pipe of Ф 50.
When foundation ring 8 is installed, with auxilliary loop wheel machine 15 foundation ring 8 is sling, make three bolts hole of flange plate outer, foundation ring 8 lower end ring 9 aim at three M30 adjusting bolts 7 that are welded on the main support rod 10 respectively, to regulate bolt 7 and penetrate bolt hole, with foundation ring 8 supports on three adjusting nuts 12, finish the installation in position of foundation ring 8, the auxilliary not loose hook of loop wheel machine 15 still keeps stress.
When foundation ring 8 levelnesss are adjusted, at first with precise leveling instrument the levelness of foundation ring 8 in place is measured, method of measurement is with precision level and scale, three directions of 120 ° are measured being separated by, every place surveys 3 points, difference of height (levelness)≤2mm, find that the levelness of certain strong point is overproof if measure the back, then with jack with this strong point jack-up, drive foundation ring 8 oscilaltions by adjusting nut 12 screw threads that rotate this place, to regulate the levelness of foundation ring 8, when levelness reaches designing requirement, adjusting nut 12 on the fastening main support rod 10 of difference, and three nuts are fastened on respectively on the adjusting bolt 7 that passes flange plate outer, foundation ring 8 lower end ring 9, finish the levelness adjustment of foundation ring 8, unclamp the suspension hook of auxilliary loop wheel machine 15, build concrete then, finish the pre-buried of foundation ring 8.
Three, the butt joint of wind power generating set split high-altitude is installed:
When wind power generating set is installed, lift earlier three joint tower tubes 5 respectively successively, be lifted on the rabbit that assembles on the deck of transport barge 13 1 again, at last aloft with the 3rd blade 2 and wheel hub 4 butt joints; Concrete method of construction is as follows:
A), the tower tube is installed:
5 fens upper, middle and lower of tower tube, three joints, lifting be in proper order lift down successively, in, epimere tower tube 5;
Special hanger is fixed on top and the bottom of hypomere tower tube 5, the top special hanger of main loop wheel machine 14 with hypomere tower tube 5 is connected, auxilliary loop wheel machine 15 is connected with the bottom special hanger of hypomere tower tube 5, main, auxilliary loop wheel machine 14, the 15 tower tubes 5 of slinging leave transport barge 13, slowly tower tube 5 is winched to plumbness by level, to assist loop wheel machine 15 loose hooks then, remove the bottom special hanger of hypomere tower tube 5, with a main loop wheel machine 14 hypomere tower tube 5 is lifted to wind driven generator base ring 8, in tower tube 5 inboards packing ring and nut are installed on the bolt of foundation ring 8, with impact wrench the nut on the one circle foundation ring 8 is tightened in advance, with the Tightening moment of hydraulic wrench by design, press diagonal angle order fastening nut successively again;
The hoisting of upper, middle and lower section tower tube is basic identical, difference is: stage casing tower tube 5 flange in the bottom are connected with the top flange of hypomere tower tube 5, stage casing tower tube 5 top flange are connected with epimere tower tube 5 flange in the bottom, and cabin 3 flanges of epimere tower tube 5 top flange and rabbit 1 are connected;
B), the lifting of rabbit head:
The lifting rigging is installed on the lifting retaining ring of rabbit 1, edge protector at every blade 2 hangs up the long rope of a 200m as slipping rope, swing and displacement with blade 2 in the control hoisting process, behind the locking cabin 3, after by main loop wheel machine 14 this rabbit 1 being winched to setting height(from bottom), cabin 3 is installed on the abutted flange dish on plane, epimere tower tube 5 top, adopts bolt, and with the Tightening moment of hydraulic wrench by design, press diagonal angle order fastening nut successively;
C), the 3rd blade lifting:
The change sizing device that uses wheel hub 4 to carry is transferred wheel hub 4 and the 3rd blade 2 adpting flange faces in the horizontal direction, dock with the level of the 3rd blade 2 with convenient, the 3rd blade 2 and special hanger are fixed, fasten the long slide rope of two 200m at the afterbody of blade 2, so that the swing of control blade 2, with main loop wheel machine 14 the 3rd blade 2 of slinging slowly, with the corresponding connection of its flange plate with wheel hub 4, and moment clamping bolt in accordance with regulations.
Enter the job site from September 13rd, 2009, except every preparatory work in early stage, finish a 2MW test wind-driven generator lifting task smoothly on November 23rd, 2009, shift to an earlier date 7 days durations, save and install mechanical the expense and 110.6 ten thousand yuan of cost of labour (unit), installation precision reaches technology and quality requirement, has obtained favorable economic benefit and social benefit.
Claims (1)
1. an offshore wind generating component height sky docks installation method, be to be the rabbit head with cabin, wheel hub, two vane group of wind-driven generator to being integral at first on land or on the deck of transport barge, be loaded in this rabbit head, three joint blower fan tower barrels and the 3rd blade on the transport barge together then, after transporting to the installation seat in the plane of offshore wind generating, carry out the overall installation of rabbit head, three joint blower fan tower barrels and the 3rd blade at working platform; The hoisting machine tool that is equipped with is installed in the empty butt joint of this offshore wind generating component height: wind-driven generator lifts main loop wheel machine (14) and adopts the 1000t-1200t crawler crane that is installed on the barge container, and auxilliary loop wheel machine (15) adopts the 180t-250t crane barge;
The empty butt joint of a kind of offshore wind generating component height installation method, its construction sequence is: one, the assembling of the cabin of wind-driven generator, wheel hub and two blades; Two, the adjustment of wind driven generator base ring is installed; Three, the butt joint of wind power generating set split high-altitude is installed;
Wherein:
One, the assembling of the cabin of wind-driven generator, wheel hub and two blades:
Assemble cabin (3), wheel hub (4) and two blades (2) on the deck of transport barge (13):
A), the lifting of cabin (3): special hanger and cabin (3) are connected, be fixed on the both sides of cabin (3) with two ropes made of hemp, be used for controlling the swing of cabin (3), with main loop wheel machine (14) lifting cabin (3), lie on the deck of transport barge (13);
B), wheel hub (4) docks with cabin (3): with auxilliary loop wheel machine (15) wheel hub (4) of slinging it is docked with cabin (3), use bolt, after carrying out the bolt pretension symmetrically with hydraulic spanner, to assist the loose hook of loop wheel machine (15) and remove special hanger, with the hydraulic spanner clamping bolt second time, reach final moment requirement;
C), blade (2) docks with wheel hub (4): the change sizing device that uses wheel hub (4) to carry will be taken turns successively
Hub (4) is transferred in the horizontal direction with blade (2) flange connecting face, to guarantee that two blades (2) dock assembling with wheel hub (4) level of being, blade (2) and special hanger are fixed, with auxilliary loop wheel machine (15) blade (2) of slinging, after sharf and the epitrochanterian hole of wheel hub (4) aligned, all bolt correspondences are penetrated wheel hub (4), with the hydraulic torque spanner each bolton is arrived regulation moment with fixed installation blade (2); Below at mounted first blade (2) is supported with sleeper, removes special hanger then, repeats said method another sheet blade (2) is installed; To assemble all-in-one-piece cabin (3), wheel hub (4) and two blades (2) then is that rabbit head (1), three joint blower fan tower barrels (5) and the 3rd blade (2) all are loaded on the transport barge (13), transports to the sea of wind-driven generator the seat in the plane is installed;
Two, the adjustment of wind driven generator base ring is installed:
The levelness of wind driven generator base ring (8) is to guarantee tower tube (5) installation perpendicularity, reduces the key of cabin (3) eccentric bending moment; The adjustment installation method of wind driven generator base ring (8) is as follows:
Wind driven generator base ring (8) is installed the regulating device of levelness mainly by main support rod (10), diagonal brace (6), regulating bolt (7) and adjusting nut (12) forms, offer bolt hole at the flange in the bottom dish outer ring (9) of foundation ring (8) with going up circumference uniform distribution, each main support rod (10) also is circumference uniform distribution and vertically arranges accordingly, each main support rod (10) adopts hotrolling seamless pipe, and the center line of each bolt hole of offering on the center line of this each main support rod (10) and the foundation ring (8) is corresponding to the same, rectangular plate (11) respectively is welded at the bottom of each main support rod (10) and top, the adjusting bolt (7) that is welded respectively and is installed with adjusting nut (12) at the center of each top rectangular plate (11), and make the center line of each bolt hole of offering on the center line of respectively regulating bolt (7) and the foundation ring (8) corresponding consistent, simultaneously each in twos between top section and the end section of adjacent main support rod (10) respectively the corresponding diagonal brace that is welded (6) to form firm steel structure supporting frame, with the corresponding welding of embedded part on the rectangular plate (11) of the bottom of each main support rod (10) of this steel structure supporting frame and the wind-driven generator concrete basis (16), with auxilliary loop wheel machine (15) foundation ring (8) is sling, each bolt hole of offering on foundation ring (8) the flange in the bottom dish outer ring (9) is aimed at respectively respectively regulated bolt (7) on the supporting frame, each is regulated bolt (7) penetrate each bolt hole, make foundation ring (8) support go up installation in position at each adjusting nut (12), the auxilliary not loose hook of loop wheel machine (15), still keep stress, when foundation ring (8) levelness is adjusted, at first with precise leveling instrument manned foundation ring (8) levelness is measured, method of measurement is with precision level and scale, three directions of 120 ° are measured being separated by, every place surveys three points, levelness is answered≤2mm, find that the levelness of certain strong point is overproof if measure the back, then with the foundation ring section jack-up of jack with this strong point, drive foundation ring (8) by the adjusting nut (12) that rotates this place and do oscilaltion, to regulate the levelness of foundation ring (8), when levelness reaches designing requirement, the adjusting nut (12) on the bolt (7) is respectively regulated in locking respectively, and on the adjusting bolt section that respectively passes foundation ring (8) flange in the bottom dish outer ring (9) the spinning nut with fixing, finish the levelness adjustment of foundation ring (8), unclamp auxilliary loop wheel machine (15) suspension hook, concreting all is embedded in supporting frame and the foundation ring (8) of steel structure in the wind-driven generator concrete basis (16) then;
Three, the butt joint of wind power generating set split high-altitude is installed:
During the wind power generating set partial installation, lift earlier three joint tower tubes (5) respectively successively, be lifted on the rabbit head (1) that assembles on transport barge (13) deck again, at last aloft with the 3rd blade (2) and wheel hub (4) butt joint;
Concrete installation method is as follows:
A)
, tower tube lifting:
Tower tube (5) divides three sections of upper, middle and lower, lifting be in proper order lift down successively, in, epimere tower tube (5),
Special hanger is fixed on top and the bottom of hypomere tower tube (5), the top special hanger of main loop wheel machine (14) with hypomere tower tube (5) is connected, auxilliary loop wheel machine (15) is connected with the bottom special hanger of hypomere tower tube (5), main, auxilliary loop wheel machine (14), (15) the tower tube (5) of slinging leaves transport barge (13), slowly tower tube (5) is winched to plumbness by level, to assist the loose hook of loop wheel machine (15) then, remove hypomere tower tube (5) bottom special hanger, with a main loop wheel machine (14) hypomere tower tube (5) is lifted to wind driven generator base ring (8) and to go up and correspondence installs on the bolt of foundation ring (8), inboard at tower tube (5) installs to packing ring and nut on the bolt of foundation ring (8), with impact wrench the nut on the one circle foundation ring (8) is tightened in advance, with the Tightening moment of hydraulic wrench by design, press diagonal angle order fastening nut successively again;
The mounting process of upper, middle and lower section tower tubes (5) is basic identical, difference is: stage casing tower tube (5) flange in the bottom is connected with the top flange of hypomere tower tube (5), stage casing tower tube (5) top flange is connected with epimere tower tube (5) flange in the bottom, epimere tower tube (5) top flange and rabbit head (1) cabin (3) flange be connected:
B), rabbit head lifting:
Suspender, rigging are installed on the lifting retaining ring of rabbit head (1), edge protector at every blade (2) hangs up the long rope of a 150～200m as slipping rope, swing and displacement with blade (2) in the control hoisting process, behind the locking cabin (3), after by main loop wheel machine (14) rabbit head (1) being winched to setting height(from bottom), cabin (3) are installed on the abutted flange dish on plane, epimere tower tube (5) top, adopt bolt, and with the Tightening moment of hydraulic wrench by design, press diagonal angle order fastening nut successively;
C), the 3rd blade lifting:
The change sizing device that uses wheel hub (4) to carry is transferred wheel hub (4) and the 3rd blade (2) flange connecting face in the horizontal direction, to dock with the 3rd blade (2) level, the 3rd blade (2) and special hanger are fixed, fasten the long slide rope of two 150m～200m at the afterbody of blade (2), so that the swing of control blade (2), with main loop wheel machine (14) the 3rd blade (2) of slinging slowly, with itself and the corresponding connection of wheel hub (4) flange plate, and moment is fastening with hydraulic wrench in accordance with regulations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364980XA CN102425530B (en) | 2011-11-17 | 2011-11-17 | Split high-altitude butt-joint installation method of offshore wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364980XA CN102425530B (en) | 2011-11-17 | 2011-11-17 | Split high-altitude butt-joint installation method of offshore wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102425530A CN102425530A (en) | 2012-04-25 |
| CN102425530B true CN102425530B (en) | 2013-08-28 |
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| CN104612910A (en) * | 2015-01-23 | 2015-05-13 | 北京天源科创风电技术有限责任公司 | Assembly method for hub and vanes in wind turbine generator |
| CN105058052B (en) * | 2015-08-28 | 2017-07-25 | 中国能源建设集团湖南火电建设有限公司 | A kind of 3MW wind power generating sets installation method |
| CN105257483A (en) * | 2015-11-18 | 2016-01-20 | 南通润邦海洋工程装备有限公司 | Fan installation method |
| CN106677995B (en) * | 2016-07-12 | 2018-12-18 | 中交第三航务工程局有限公司 | The construction method of off-lying sea blower partial installation |
| CN110249128B (en) * | 2017-02-09 | 2021-12-24 | 西门子歌美飒可再生能源公司 | Method and apparatus for raising or lowering loads parallel to a wind turbine tower |
| CN107035204A (en) * | 2017-05-26 | 2017-08-11 | 中国海洋石油总公司 | The hanging method of flare tower on floating type production, storage and offloading device |
| WO2019047196A1 (en) * | 2017-09-11 | 2019-03-14 | 大连理工大学 | Stabilization device for installation of tower of offshore wind turbine |
| CN109594554A (en) * | 2018-11-01 | 2019-04-09 | 中铁大桥局集团有限公司 | Steel reinforcement cage for marine drilling pile grouting hangs system |
| CN110043429A (en) * | 2019-05-22 | 2019-07-23 | 中国十七冶集团有限公司 | A kind of large-scale wind driven generator single blade mounting process construction method |
| CN110173397A (en) * | 2019-05-29 | 2019-08-27 | 中国十七冶集团有限公司 | A kind of installation method partly latent for refuting crawler crane sea large-scale wind driven generator |
| CN112523963B (en) * | 2020-11-21 | 2022-04-29 | 南通泰胜蓝岛海洋工程有限公司 | Installation process of offshore wind turbine generator set |
| CN112664034B (en) * | 2020-12-10 | 2022-06-21 | 上海市机械施工集团有限公司 | Integral installation method of wind power generation tower |
| CN114060221B (en) * | 2021-11-11 | 2024-02-06 | 江苏亨通蓝德海洋工程有限公司 | Cabin hoisting and docking method for offshore wind turbine installation by floating ship |
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