WO2011153675A1 - 风电机组多功能平台及叶片拆卸方法 - Google Patents
风电机组多功能平台及叶片拆卸方法 Download PDFInfo
- Publication number
- WO2011153675A1 WO2011153675A1 PCT/CN2010/001684 CN2010001684W WO2011153675A1 WO 2011153675 A1 WO2011153675 A1 WO 2011153675A1 CN 2010001684 W CN2010001684 W CN 2010001684W WO 2011153675 A1 WO2011153675 A1 WO 2011153675A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blade
- platform
- sling
- crane
- tower
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
- B66C23/20—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
- B66C23/207—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by wind turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/605—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes scaffolding winshes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
- F05B2230/61—Assembly methods using auxiliary equipment for lifting or holding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/70—Disassembly methods
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49318—Repairing or disassembling
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53961—Means to assemble or disassemble with work-holder for assembly
- Y10T29/53974—Means to assemble or disassemble with work-holder for assembly having means to permit support movement while work is thereon
Definitions
- the invention relates to a blade maintenance platform for an offshore wind turbine, and to a blade replacement method for an offshore wind turbine. Background technique
- the object of the present invention is to provide a multi-functional platform for wind turbines for blade replacement, blade maintenance and tower maintenance of wind turbines. And a method of blade disassembly, using the device and bringing it by means of a fan
- the maintenance crane can replace the fan blades without disassembling the impeller, and the wind blades are not required to be replaced when replacing the blades.
- the requirements for the site are greatly reduced.
- the influence of the wind and the wave can be reduced, and the replacement and maintenance cost of the blade can be reduced, and the effect on the offshore wind field is particularly obvious. And, with this equipment, regular maintenance of the fan tower and blades can be performed.
- the technical solutions adopted by the present invention include:
- a multi-functional platform for a wind turbine characterized in that the multifunctional platform comprises:
- a platform frame comprising a base having an annular central bore and two mutually parallel arms extending from one side of the base;
- a hoisting mechanism which is at least three traction devices distributed around the annular central hole and fixed on the base for realizing up and down translation of the platform;
- the tower holding mechanism having a telescopic action mechanism and a holding plate, the telescopic action mechanism capable of driving the holding plate to the Extending from the center of the annular center hole;
- Two blade adjustment supports are respectively disposed on the extended ends of the two arms;
- Two sets of blade pulling mechanisms are respectively connected at one end to a blade adjusting support.
- each anti-collision mechanism having a roller with a soft outer surface, the roller being pivoted on a roller seat by a horizontally disposed roller shaft, and the roller
- the roller seat of the anti-collision mechanism is mounted on the inner circumference of the annular center hole of the platform frame.
- the holding disk has a curved surface with a rubber pad on the curved surface.
- the telescopic action mechanism is a hydraulic cylinder, a screw nut or a pneumatic cylinder.
- the blade pulling mechanism is a chain hoist or an electric hoist.
- the traction device is an electric hoist, a hydraulic power hoist or an electric hoist. .
- a displacement control mechanism is disposed between the two ends of the mobile trolley and the two arms of the platform frame, and a power mechanism is disposed on the base or the mobile trolley.
- the displacement control mechanism is driven to adjust the position of the moving trolley.
- the displacement control mechanism includes two sprocket wheels fixed at two ends of each arm and a chain wound between the two sprocket wheels, and the two ends of the mobile trolley are respectively Branch
- the chain on the arm is fixedly connected
- the power mechanism comprises a worm gear mechanism fixed on the base
- the power source of the worm is manual power, motor drive, pneumatic drive or hydraulic drive
- the shaft of the worm wheel is One sprocket is powered and the two sets of sprocket on the two arms are connected by a coupling.
- a walking platform and a guard rail are fixed on the outer side of the platform frame.
- the technical solution adopted by the present invention further includes:
- a blade dismounting method comprising the steps of:
- the platform frame Before disassembling the blades, first use the platform frame to fasten the slings at the three positions of the blades respectively.
- the sling is attached to the blade root side of the blade, the second sling is attached to the blade tip side, and the third sling Staggered a distance from the No. 2 sling and closer to the tip of the blade; then, hang the No. 1 sling and the No. 2 sling on the hook of the crane, and the two ends of the sling are pulled with a set of blades Connect the ⁇ mechanism; then use the fan to repair the crane to hang the blade root;
- the present invention has the following beneficial effects:
- FIG. 1 is a perspective view showing the overall structure of a multifunctional platform provided by the present invention.
- Figure 1A is a partial enlarged view of Figure 1;
- FIG. 2 is a top plan view of the multifunctional platform provided by the present invention.
- Figure 3 is a schematic view showing the overall structure of the present invention fixed on a tower
- Figure 4 is a side view of the present invention fixed to the tower
- Figure 5 is a schematic structural view of an anti-collision structure of the present invention.
- Figure 6 is a schematic structural view of the tower holding mechanism of the present invention.
- FIG. 7 is a schematic illustration of the operation of the fan blade using the present invention. detailed description
- the invention provides a multifunctional platform, as shown in Fig. 1, Fig. 1A and Fig. 2, the platform is composed of the following parts:
- Platform frame 1 It is the basis for the installation of various functional components, and provides the operator with an operating platform for the operator to work.
- the platform frame 1 adopts a split structure, which is divided into two parts arranged in front and rear, between the two parts. By bolting, for convenient transportation and installation; in the present embodiment, the platform frame 1 includes a base 11 having an annular central hole 10 and two mutually parallel arms extending from one side of the base 1 1 12;
- Hoisting mechanism 2 for up-and-down translation of the platform, the hoisting mechanism 2 includes at least three electric hoists 21 distributed around the annular central hole 10 and fixed to the pedestal 1 1; in this embodiment, the electric hoist The number of 21 is four; of course, the above-mentioned electric winch 21 can also be replaced by various traction devices such as a hydraulic power hoist or an electric hoist;
- Anti-collision mechanism 3 Please refer to FIG. 5, which has a roller 31 with a soft outer surface, and the roller 31 is pivotally mounted on a roller holder 33 via a horizontally disposed roller shaft 32; It can be seen that the roller seat 33 of the anti-collision mechanism 3 is mounted on the inner circumference of the annular center hole 10 of the platform frame 1. When the platform frame 1 slides up and down on the tower, the roller 31 with a soft outer surface can be cushioned. The impact between the platform frame 1 and the tower 9;
- Tower holding mechanism 4 Please refer to FIG. 6, which includes a holding support 41, a hydraulic cylinder 42, a holding plate 43 and a rubber cushion 44 fixed to the platform frame 1 a circumference of the annular center hole 10, the cylinder of the hydraulic cylinder 42 is fixed to the holding support 41, the piston rod of the hydraulic cylinder 42 extends toward the center of the annular center hole 10, and the end of the piston rod is fixed
- the holding plate 43 has a curved surface, and a layer of the rubber cushion 44 is padded on the arc surface; when the tower holding mechanism 4 is used, the piston rod is pushed out by hydraulic driving.
- the holding disc 43 at the front end thereof is tightly pressed with the tower 9 through the rubber cushion 44, so that a large static friction force is generated between the platform frame 1 and the tower cylinder 9, thereby effectively preventing the left and right rotation of the platform frame 1 and ensuring work.
- the tightening mechanism 4 holds the tower 9 when the platform does not need to move up and down, and only serves to restrict the rotation of the platform frame 1 around the tower 9, and the lifting limit of the platform frame 1 is still realized by the winch. .
- the driving of the above-mentioned tower holding mechanism 4 is not limited to hydraulic driving, and the above-mentioned hydraulic cylinder 42 may be replaced by a telescopic action mechanism such as a trapezoidal screw nut or a pneumatic cylinder;
- the mobile cart 5 a displacement control mechanism is arranged between the two ends of the platform frame 1 and the two arms 12 of the platform frame 1, and a power mechanism is arranged on the base 11 or the mobile trolley 5 for Driving the displacement control mechanism to adjust the position of the moving cart 5;
- the displacement control mechanism includes two sprockets 51 fixed at both ends of each arm 12 and wound around the two sprockets a chain 52 between the 51, and the two ends of the moving cart 5 are respectively fixedly connected with the chain 52 on an arm 12, and the power mechanism includes a worm gear mechanism 53 fixed on the base 1 1 , the worm
- the power source is manual power
- the shaft of the worm wheel is dynamically connected to one of the sprockets 51
- the two sets of sprockets 51 on the two arms 12 are connected by a coupling 54 to ensure synchronous rotation;
- the power source of the power mechanism can be replaced by motor drive, pneumatic drive or hydraulic drive.
- the displacement control mechanism can also be replaced by a rack and pinion, a timing belt and a pulley, or a screw nut; when using a rack and pinion as a displacement In the control mechanism, the rack is fixed on the arm 12, and the gear is mounted on the moving cart 5.
- the power mechanism is also mounted on the moving cart 5. In order to ensure synchronous rotation, the two gears also need to be coupled.
- the device 54 is connected;
- the blade adjustment support 6 is disposed on the extended end of the arm 12 for providing a force foundation when the blade is replaced, and relies on the support to realize adjustment of the blade angle and position; in this embodiment, a blade adjustment support 6 is provided at each of the projecting ends of the two arms 12; 7.
- Walking platform and guardrail 7 fixed on the outer side of the platform frame 1, which is convenient for the operator to operate various functional components on the platform frame 1 and ensure the safety of the operator;
- Blade pulling mechanism 8 When the blade 91 is replaced, it is used to adjust the angle and displacement of the blade 91.
- the two sets of the blade pulling mechanism 8 can be realized by a chain hoist, and the blade pulling mechanism 8 ( That is, one end of the chain hoist is hung on the hoisting belt on the blade 91, and the other end is hung on the yoke adjusting bracket 6 of the blade 91, and the raking action of the hoist is used to realize the pulling of the blade 91; of course, the blade is pulled
- the mechanism 8 can also be implemented by other mechanisms such as electric hoists.
- the first sling S l and the second sling S2 are respectively attached to the two sides of the center of gravity of the blade 91, for example, the sling S 1 is on the leaf root side, the second sling S2 is on the leaf tip side, and the third sling S3 is offset from the second sling S2 by a certain distance and closer to the tip side;
- the No. 1 sling Sl and the No. 2 sling S2 are hung on the hook D of the crane vessel (an existing offshore hoisting equipment), and the two ends of the sling S3 are each pulled with a set of blades.
- the ⁇ mechanism 8 is connected; the fan is used to repair the crane 92 (-the fan own device) hangs the blade 91;
- the hoisting vessel slowly tightens the No. 2 sling S2, keeping the blade 91 in the same posture, and then separating the two sets of the slinging mechanism 8 from the No. 3 sling S3;
- the blade 91 is slowly lowered downward, and when it is dropped to a suitable height, the blade 91 is changed from the longitudinal direction to the horizontal direction by adjustment, and the crane ship passes the number one.
- the sling Sl and the second sling S2 hang the blade 91, remove the hook of the maintenance crane, and traverse the blade 91 on the transport ship by the hoisting ship, thereby completing the disassembly work of the blade 91;
- the blade 91 is installed in the same way as the blade 91 is disassembled. The process is reversed: First, the lifting beam is installed at the root of the blade 91, and the sling is fastened at three positions of the blade 91. The position of the sling is the same as that when the blade 91 is removed, and the fan is repaired. The crane 92 is hung on the hanging beam, and the crane hoisting hook hangs the No. 1 sling Sl and the No. 2 sling S2. With the hoisting ship and the maintenance crane, the blade 91 is changed from the horizontal direction to the longitudinal direction and sent to the underside of the wheel hub. It is advisable that the blade root does not collide with the hub.
- the attitude of the blade 91 is kept unchanged, the platform frame 1 is hung to the working position, and it is held tightly on the tower 9 to be stable, and the third sling S3 is hung.
- the pulling mechanism tightening the pulling mechanism, relaxing the sling of the lifting vessel so that the blade 91 is not pulled by the crane, and using the fan maintenance crane 92 and the pulling mechanism on the platform to send the blade 91 to the mounting surface.
- the hoisting mechanism 2 is operated, and the platform is translated up and down as needed.
- the tower holding mechanism 4 is operated to hold the platform on the wind turbine tower 9, and then maintenance is performed, and The extension length of the hydraulic cylinder 42 can be adjusted to adjust the distance between the operator and the tower 9;
- the blade 91 When the blade 91 is maintained, it is basically the same as the maintenance tower 9. Due to the taper angle of the blade 91, the distance between the blade 91 and the tower 9 is different at different positions. When the blade 91 is maintained, the moving carriage 5 is operated to a suitable position. , the maintenance of the blade 91 is completed in accordance with the pitch.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/703,008 US20130074337A1 (en) | 2010-06-09 | 2010-10-25 | Multifunctional platform of wind power generating unit and blade disassembling method |
AU2010355208A AU2010355208A1 (en) | 2010-06-09 | 2010-10-25 | Multifunctional platform of wind power generating unit and blade disassembling method |
CA2801819A CA2801819A1 (en) | 2010-06-09 | 2010-10-25 | Multifunctional platform of wind power generating unit and blade disassembling method |
EP10852668.2A EP2581336A4 (en) | 2010-06-09 | 2010-10-25 | MULTIFUNCTION PLATFORM OF A WIND POWER PLANT AND BUCKET DISASSEMBLY METHOD |
BR112012031219A BR112012031219A2 (pt) | 2010-06-09 | 2010-10-25 | plataforma multifuncional de unidade geradora de energia eólica e método de desmontagem de pás |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010200359.5 | 2010-06-09 | ||
CN2010102003595A CN102275071B (zh) | 2010-06-09 | 2010-06-09 | 风电机组多功能平台及叶片拆卸方法 |
Publications (1)
Publication Number | Publication Date |
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WO2011153675A1 true WO2011153675A1 (zh) | 2011-12-15 |
Family
ID=45097439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/001684 WO2011153675A1 (zh) | 2010-06-09 | 2010-10-25 | 风电机组多功能平台及叶片拆卸方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130074337A1 (zh) |
EP (1) | EP2581336A4 (zh) |
CN (1) | CN102275071B (zh) |
AU (1) | AU2010355208A1 (zh) |
BR (1) | BR112012031219A2 (zh) |
CA (1) | CA2801819A1 (zh) |
WO (1) | WO2011153675A1 (zh) |
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US20100313417A1 (en) * | 2009-06-15 | 2010-12-16 | Soletanche Freyssinet | Method, System and Device for Contributing to the Assembly of a Wind Turbine |
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Also Published As
Publication number | Publication date |
---|---|
CA2801819A1 (en) | 2011-12-15 |
CN102275071A (zh) | 2011-12-14 |
AU2010355208A1 (en) | 2013-01-10 |
US20130074337A1 (en) | 2013-03-28 |
BR112012031219A2 (pt) | 2019-09-17 |
CN102275071B (zh) | 2013-02-20 |
EP2581336A1 (en) | 2013-04-17 |
EP2581336A4 (en) | 2014-03-12 |
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