CN108105037A - Simulated blade device and blade replacement method - Google Patents
Simulated blade device and blade replacement method Download PDFInfo
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- CN108105037A CN108105037A CN201711457118.7A CN201711457118A CN108105037A CN 108105037 A CN108105037 A CN 108105037A CN 201711457118 A CN201711457118 A CN 201711457118A CN 108105037 A CN108105037 A CN 108105037A
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- blading
- simulation
- blade
- impeller
- center
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- 238000000034 method Methods 0.000 title abstract description 27
- 238000004088 simulation Methods 0.000 claims abstract description 72
- 230000005484 gravity Effects 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 18
- 238000010276 construction Methods 0.000 description 11
- 239000000725 suspension Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
Classifications
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- 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
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- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a blade simulation device and a blade replacement method. The simulated blade device comprises: the connecting column comprises a first connecting end and a second connecting end which are opposite in the self axial direction, and is connected with the hub through the first connecting end; the gravity center adjusting column is connected with the connecting column and comprises a switching end and a free end which are opposite in the self axial direction, the switching end is connected with the second connecting end of the connecting column, the free end is far away from the second connecting end, and the position of the gravity center point in the axial direction of the simulation blade device is the same as the position of the gravity center point in the axial direction of the blades of the wind generating set. The blade simulating device provided by the embodiment of the invention can replace damaged blades so as to keep the overall balance of the original impeller, is convenient for the impeller to be dismantled and hoisted by adopting a conventional mode, effectively reduces the difficulty in the blade replacing process, and has high replacing work efficiency.
Description
Technical field
The present invention relates to technical field of wind power generation, more particularly to a kind of simulation blading and blade exchanging side
Method.
Background technology
Wind energy is the most fast renewable green resource of current global evolution, with the propulsion of the strategy of sustainable development, wind energy
It is increasingly taken seriously and is developed.Wind power generating set is to convert wind energy into the power equipment of electric energy.Wind-force is sent out
Motor group includes tower, cabin and impeller.Impeller generally comprises a wheel hub and three blades.Blade is used to absorb wind energy and drive
Movable vane wheel integrally rotates, and kinetic energy is transferred to generator and changes into electric energy.The diameter of usual impeller generally in 70m extremely
100m.Since blade is long, being difficult to avoid that in blade processing manufacturing process can there are quality problems.Alternatively, blade exists
In operational process, since self stability is affected, and itself it is possible that can occur fracture or with tower collide and
It is broken.At this time, it may be necessary to the blade of damage is replaced.
At present, after being broken due to blade itself, blade loses Hoisting Position, can not reuse loop wheel machine and lift the blade,
Therefore conventional lifting mode can not be used to lift entire impeller, so as to cause when carrying out blade exchanging work, impeller demolition with
It is down to that the course of work on ground is complicated for operation, and efficiency is low, it is of high cost.
The content of the invention
The embodiment of the present invention provides a kind of simulation blading and blade exchanging method.Simulation blading can substitute
Damaged blade to keep the balance of original impeller entirety, removes impeller convenient for use usual manner and handling works,
The difficulty of blade exchanging process is effectively reduced, it is high to replace work efficiency.
On the one hand, the embodiment of the present invention proposes a kind of simulation blading, for wind power generating set, wind-driven generator
Group includes installing the wheel hub of fixed blade, and simulation blading includes：Connecting pole, connecting pole are included in itself axially upper phase
To the first connecting pin and second connection end, connecting pole be connected by the first connecting pin with wheel hub；Center of gravity adjustable column, with being connected
Column is connected, and center of gravity adjustable column is included in itself axially upper opposite change-over terminal and free end, the change-over terminal of center of gravity adjustable column
Be connected with the second connection end of connecting pole, free end away from second connection end, wherein, simulate the weight in the axial direction of blading
Heart point position is identical with the focus point position in the axial direction of the blade of wind power generating set.
One side according to embodiments of the present invention, change-over terminal are detachably connected with second connection end.
One side according to embodiments of the present invention, connecting pole are truss structure.
One side according to embodiments of the present invention, the maximum outside diameter of the cross section of change-over terminal are more than the cross section of free end
Maximum outside diameter.
One side according to embodiments of the present invention, the change-over terminal of center of gravity adjustable column include protrusion and are arranged at itself outer weekly form
First lifting part in face, the free end of center of gravity adjustable column include the second lifting part that protrusion is arranged at itself outer surface.
One side according to embodiments of the present invention, the focus point for simulating blading are located at center of gravity adjustable column.
One side according to embodiments of the present invention, center of gravity adjustable column are solid construction.
One side according to embodiments of the present invention, connecting pole are retractable structure.
One side according to embodiments of the present invention, the first connecting pin include the first flange being connected with wheel hub
Disk, second connection end include the second flange disk being connected with change-over terminal, and change-over terminal includes being connected with second flange disk
The 3rd ring flange.
The simulation blading of the embodiment of the present invention can be applied to damaged blade and more change jobs.Unexpected damage occurs in blade
After bad, the simulation blading of the present embodiment can be used to substitute damaged blade, to keep the balance of original impeller entirety,
Impeller is removed convenient for use usual manner and handling works, the difficulty of blade exchanging process is effectively reduced, replaces work
Make efficient.
On the other hand, a kind of blade exchanging method of wind power generating set, wind-force hair are provided according to embodiments of the present invention
Motor group includes the impeller being arranged in tower, and blade exchanging method includes：Blade to be replaced is removed from the installation position of impeller；
Simulation blading described above is installed on installation position, to replace blade to be replaced, simulates the focus point and leaf of blading
The focus point of remaining intact blade is on same circle on wheel；Dismounting impeller is simultaneously down to ground；Simulation blading is removed, and is pacified
Dress replaces new blade；Impeller is promoted, and impeller is reinstalled into the precalculated position in tower, completion more changes jobs.
Description of the drawings
The feature of exemplary embodiment of the present, advantage and technique effect are described below by reference to attached drawing.
Fig. 1 is the simulation blading use state diagram of one embodiment of the invention；
Fig. 2 is the overall structure diagram of the simulation blading of one embodiment of the invention；
Fig. 3 is the partial structural diagram of the simulation blading of another embodiment of the present invention；
Fig. 4 is the flow chart of the blade exchanging method of one embodiment of the invention.
In the accompanying drawings, attached drawing is not drawn according to actual ratio.
Description of symbols：
1st, blading is simulated；
11st, connecting pole；111st, the first connecting pin；111a, first flange disk；112nd, second connection end；112a, second flange
Disk；113rd, column；114th, girder steel；115th, telescopic rod；116th, locking member；
12nd, center of gravity adjustable column；121st, change-over terminal；121a, the 3rd ring flange；122nd, free end；123rd, the first lifting part；
124th, the second lifting part；
2nd, wheel hub；
3rd, blade；
S, focus point.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment it is detailed
Thin description and attached drawing cannot be used for limiting the scope of the invention for illustratively illustrating the principle of the present invention, i.e., of the invention
It is not limited to described embodiment.
In the description of the present invention, it is necessary to explanation, unless otherwise indicated, " multiple " be meant that two or two with
On；The orientation or position relationship of the instructions such as term " on ", " under ", "left", "right", " interior ", " outer " be for only for ease of description this
It invents and simplifies description rather than indicate or imply that the device of meaning or element must have specific orientation, with specific square
Position construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are only used for describing
Purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；It can be directly connected, can also be indirectly connected by intermediary.For the ordinary skill in the art, may be used
Understand the concrete meaning of above-mentioned term in the present invention depending on concrete condition.
For a better understanding of the present invention, with reference to simulation blading 1 according to embodiments of the present invention Fig. 1 to Fig. 3
It is described in detail.
Fig. 1 schematically shows the simulation blading 1 of one embodiment of the invention to be installed on wheel hub 2 and uses shape
State.Fig. 2 schematically shows the overall structure of the simulation blading 1 of one embodiment of the invention.Fig. 3 is schematically showed
The partial structurtes of the simulation blading 1 of another embodiment of the present invention.
The simulation blading 1 of the embodiment of the present invention is applied to carry out maintenance work to the impeller of wind power generating set.This
The wind power generating set of embodiment include tower, the cabin being arranged in tower, the generator that is arranged in cabin and with hair
The impeller that motor is connected.The impeller of the present embodiment includes the wheel hub 2 being connected with generator and the leaf being arranged on wheel hub 2
Piece 3.The quantity of usual blade 3 is three.Wind power generating set is in entire service life, it may appear that 3 accidental damage of blade
Situation, such as crack or fracture.When one of blade 3 is damaged, it is necessary to which wind power generating set is shut down, and remove damage
Blade 3 replaces with intact blade 3.
In the present embodiment, when replacing blade 3, it is necessary in advance using crane and auxiliary loop wheel machine by impeller integral hoisting,
Then remove impeller and impeller is integrally down to ground, complete blade 3 and more change jobs.Finally impeller is installed and is resetted, is opened again
Dynamic wind power generating set.
The simulation blading 1 of the present embodiment can substitute damaged blade 3, so that two on wheel hub 2 blade 3 and one
It is balanced against one another to simulate blading 1, crane and auxiliary loop wheel machine is easy to use to be carried out using conventional lifting mode to impeller
Work is lifted, hoisting process facilitates easy to operate, the saving lifting time, and work efficiency height shortens blade 3 and replaces the work period, drops
Low cost.
The simulation blading 1 of the embodiment of the present invention, it is whole in strip structure, including connecting pole 11 and and connecting pole
The 11 center of gravity adjustable columns 12 being connected.Preferably, connecting pole 11 and center of gravity adjustable column 12 are coaxially disposed.
The connecting pole 11 of the present embodiment is included in itself axially upper the first opposite connecting pin 111 and second connection end 112.
First connecting pin 111 of connecting pole 11 can be connected with wheel hub 2, for entire simulation blading 1 to be mounted on wheel
The precalculated position of hub 2.
In one embodiment, the first connecting pin 111 of connecting pole 11 includes first flange disk 111a.It is set on wheel hub 2
There is ring flange.First connecting pin 111 is connected by first flange disk 111a with the ring flange set on wheel hub 2 by bolt,
So that the disassembly process of connecting pole 11 on the hub 2 is quickly easy to operate, construction working efficiency is improved.
In one embodiment, connecting pole 11 is truss structure, and own wt is light, so as to realize simulation blade dress
Put 1 whole lightweight.11 windage of connecting pole of truss structure is small, and the connecting pole 11 of truss structure is passed through beneficial to wind, is kept away
Exempt from simulation blading 1 to be blown by wind in hoisting process and be prone to significantly rock, so as to reduce hoisting process difficulty,
Improve the hoisting process stability and security of simulation blading 1.Optionally, the connecting pole 11 of truss structure is included at least
Three are mutually parallel and are uniformly distributed the strip column 113 of setting and multiple for connecting around the axis of connecting poles 11
The girder steel 114 of two neighboring column 113.The both ends of each girder steel 114 are each welded to one another with column 113 or are connected by bolt
Connect fixation.Still optionally further, the first connecting pin 111 of connecting pole 11 includes first flange disk 111a.First flange disk 111a
Fixation is connected with the end of each column 113.
In one embodiment, connecting pole 11 is retractable structure, so as to being changed without the premise of center of gravity adjustable column 12
Under, the overall dimensions of adjustment simulation blading 1, so as to change 1 whole focus point S location of simulation blading, in order to
Match with the focus point S location of the blade 3 of different model, improve the versatility of simulation blading 1.Optionally, connecting pole
11, which include at least three, is mutually parallel and is uniformly distributed the strip column 113 of setting and more around the axis of connecting pole 11
A girder steel 114 for being used to connect two neighboring column 113, so that truss structure is integrally formed in connecting pole 11.As shown in figure 3,
Each column 113 of the present embodiment includes at least two telescopic rods 115 and the locking for locking two neighboring telescopic rod 115
Component 116.In one example, it is each provided with location hole on two neighboring telescopic rod 115.Locking member 116 is bolt.
When two neighboring telescopic rod 115 is adjusted to predetermined length, penetrated in location hole bolt with by two telescopic rods 115 with respect to position
Put locking.
The center of gravity adjustable column 12 of the present embodiment is connected with the second connection end 112 of connecting pole 11.In simulation blading 1
When being mounted on wheel hub 2, center of gravity adjustable column 12 is away from wheel hub 2.The center of gravity adjustable column 12 of the present embodiment is included in itself axis
Opposite change-over terminal 121 and free end 122 upwards.The center of gravity adjustable column 12 of the present embodiment is connected by change-over terminal 121 and second
End 112 is connect to be connected.The free end 122 of the center of gravity adjustable column 12 of the present embodiment is away from second connection end 112.The mould of the present embodiment
Center of gravity adjustable column 12 or connecting pole 11 can be located at by intending the whole focus point S of blading 1, so that simulation blading
Focus point S location in 1 axial direction is identical with the focus point S location in the axial direction of the blade 3 of wind power generating set.Preferably,
The whole focus point S of simulation blading 1 is located at center of gravity adjustable column 12, is conducive to shorten simulation 1 axial dimension of blading,
Reduce simulation 1 overall weight of blading.In this way, when the simulation blading 1 of the present embodiment is mounted on wheel hub 2,
The focus point S of simulation blading 1 is overlapped with the focus point S of the blade 3 substituted, so as to the blade 3 intact with remaining
Between keep static balance, convenient for work is subsequently removed and lifted to impeller using usual manner.
The change-over terminal 121 of the center of gravity adjustable column 12 of the embodiment of the present invention is detachable with the second connection end 112 of connecting pole 11
Connection, on the one hand, simulation 1 own dimensions of blading are larger, and detachable connecting pole 11 and center of gravity adjustable column 12 can be convenient for
Transport reduces transport difficulty；On the other hand, 3 size of blade of the wind power generating set of different model is different, therefore size is different
The focus point S location of blade 3 also differ.The simulation blading 1 of the present embodiment can be selected according to the size of blade 3
The center of gravity adjustable column 12 to match, and the center of gravity adjustable column 12 selected is connected with connecting pole 11, so as to a connecting pole 11
Different center of gravity adjustable columns 12 can be matched so that the simulation blading 1 of the present embodiment possesses versatility, and it is flexible to improve application
Property.
In one embodiment, the second connection end 112 of connecting pole 11 includes be connected with change-over terminal 121 second
Ring flange 112a.Change-over terminal 121 includes the 3rd ring flange 121a being connected with second flange disk 112a.Second connection end 112
It is connected by second flange disk 112a with the 3rd ring flange 121a of center of gravity adjustable column 12 by bolt, so that center of gravity tune
Segmented column 12 and the disassembly process of connecting pole 11 are quickly easy to operate, improve packaging efficiency and construction efficiency.
The center of gravity adjustable column 12 of the present embodiment is variable-diameter structure in itself axial direction, on the one hand, effectively mitigates center of gravity and adjusts
The overall weight of column 12 reduces hoisting process difficulty；On the other hand, the center of gravity adjustable column 12 of variable-diameter structure can reduce wind-engaging
Face avoids wind blows simulation blading 1 from occurring significantly to rock and be generated to the hoisting process of simulation blading 1 bad
It influences.In one embodiment, the maximum outside diameter of the cross section of the change-over terminal 121 of center of gravity adjustable column 12 is more than free end 122
The maximum outside diameter of cross section.Optionally, the maximum outside diameter of the cross section of the change-over terminal 121 of center of gravity adjustable column 12 is equal to connecting pole 11
Second connection end 112 cross section maximum outside diameter, in order to change-over terminal 121 and second connection end 112 alignment connection.
The change-over terminal 121 of the center of gravity adjustable column 12 of the present embodiment further includes protrusion and is arranged at the first of itself outer surface and hangs
Piece installing 123.When blading 1 is simulated in transhipment, crane or other loop wheel machines is easy to use to pass through 123 handling mould of the first lifting part
Intend blading 1, cause to connect to avoid directly blading 1 is simulated by connecting pole 11 or center of gravity adjustable column 12 come handling
Column 11 or center of gravity adjustable column 12 are damaged.Optionally, the first lifting part 123 is block structure, sets suspender mount hole thereon.
Optionally, the quantity of the first lifting part 123 can be multiple.Multiple first lifting parts 123 are equal along the circumferential direction of center of gravity adjustable column 12
Even interval setting in order to use any one 123 handling of the first lifting part simulation blading 1 therein, improves construction effect
Rate.
The free end 122 of the center of gravity adjustable column 12 of the present embodiment includes the second lifting that protrusion is arranged at itself outer surface
Part 124.After simulation blading 1 is mounted on wheel hub 2, auxiliary loop wheel machine is easy to use to pass through the second lifting part 124
Free end 122 is hung, remaining intact blade 3 is hung consequently facilitating stablizing with the use of crane, impeller monolithic stability is hung
Fortune, and complete impeller in the air and turn over work.Impeller turns over work and refers to adjusting in intact blade 3 and simulation blading 1
To the same horizontal position, so that the axis of wheel hub 2 is perpendicular to the ground, blade 3 is avoided to contact to earth and be damaged.Optionally, second
Lifting part 124 is block structure, sets suspender mount hole thereon.Optionally, the quantity of the second lifting part 124 can be multiple.
Multiple second lifting parts 124 are set along the circumferential uniform intervals of center of gravity adjustable column 12, in order to use it is therein any one the
Two lifting parts 124 hang free end 122, improve construction efficiency.
The center of gravity adjustable column 12 of the present embodiment is solid construction, improves 12 stiffness by itself of center of gravity adjustable column.In impeller handling
In the process, since the free end 122 of center of gravity adjustable column 12 is equipped with suspension centre, center of gravity adjustable column 12 itself needs to bear larger curved
Transverse stress, the center of gravity adjustable column 12 of solid construction will not still occur bending and deformation when bearing large curved stress, ensure mould
The focus point S for intending blading 1 does not shift, while also improves handling process stability and security.
After a blade 3 in impeller is damaged, the leaf is replaced using the simulation blading 1 of the embodiment of the present invention
Piece 3.The second lifting part 124 set on the free end 122 of center of gravity adjustable column 12 is hung on using auxiliary loop wheel machine.It is risen using one
Heavy-duty machine hangs other two intact blade 3 simultaneously.Then, wheel hub 2 is dismantled, so that entire impeller is in free state.It is lifting
Incipient stage, two intact blades are in top, and simulation blading 1 is below, and impeller is in integrally Y-shaped.It is dropped in impeller
During to predetermined altitude, auxiliary loop wheel machine stops release hoist cable, at this point, free end 122 is held in predetermined altitude, crane continues to discharge
Hoist cable, two intact 3 height of blade are gradually reduced.Until two intact blades 3 and simulation blading 1 are simultaneously in horizontal position
When putting, complete impeller and turn over work.Then loop wheel machine and crane is aided in discharge hoist cable simultaneously, until the wheel hub 2 of impeller contacts to earth, it is complete
It works into impeller handling.In this way, after the simulation blading 1 of the present embodiment is used, it is only necessary to which a crane can be complete
It works into impeller handling, so as to reduce crane usage quantity, can also reduce construction area area occupied, reduce construction cost
It is required with construction site.
The simulation blading 1 of the embodiment of the present invention can be applied to damaged blade 3 and more change jobs.It anticipates in blade 3
After outer damage, the simulation blading 1 of the present embodiment can be used to substitute damaged blade 3, to keep original impeller entirety
Balance removes impeller convenient for use usual manner and handling works, effectively reduces the difficulty of 3 replacement process of blade
It is high to replace work efficiency for degree.
The embodiment of the present invention also provides a kind of 3 replacing options of blade of wind power generating set.Wind power generating set includes tower
Cylinder, the impeller being arranged in tower.Fig. 4 schematically shows the flow chart of 3 replacing options of blade of one embodiment of the invention.
As shown in figure 4,3 replacing options of blade comprise the following steps：
100：Blade to be replaced is removed from the installation position of impeller；
110：The simulation blading 1 of above-described embodiment is mounted on installation position, to replace blade to be replaced, simulation
The focus point S of remaining intact blade 3 is on same circle on the focus point S and impeller of blading 1；
120：Dismounting impeller is simultaneously down to ground；
130：Simulation blading 1 is removed, and update blade is installed；
140：Impeller is promoted, and impeller is reinstalled into the precalculated position in tower, completes blade exchanging.
In step 100, hang blade to be replaced using crane, then using instrument by blade to be replaced from wheel hub
It is removed on 2.Then operation crane transfers blade to be replaced to ground.Optionally, before step 100, will treat in advance more
It changes blade and turns to position downwards, in order to carry out dismantlement work and handling work.
In step 110, the simulation blading 1 of adaptation is hung using crane and rises to precalculated position, and keep connecting
First connecting pin 111 of column 11 is aligned with wheel hub 2, and operating personnel are connected the first connecting pin 111 and wheel hub 2 using instrument solid
It is fixed.Crane is removed, completes the fixed work of the simulation installation of blading 1.At this point, the focus point S and wheel hub of simulation blading 1
The vertical range of 2 pivot center is equal with the vertical range of the pivot center of wheel hub 2 with the focus point S of remaining intact blade 3,
It is in so as to simulate the focus point S of the focus point S of blading 1 and intact blade 3 on same circle.
In the step 120, two hoist cables are hooked using the suspension hook of crane, wherein, a hoist cable and an intact blade 3
It is connected, another hoist cable is connected with another intact blade 3.Center of gravity adjustable column 12 is hung on using the suspension hook of auxiliary loop wheel machine
Free end 122 on the second lifting part 124 for setting.Then, operating personnel will be equipped with intact blade 3 and mould using instrument
The impeller demolition for intending blading 1 gets off.Crane and auxiliary loop wheel machine discharge respective hoist cable simultaneously so that impeller integrally under
Drop.When impeller is down to predetermined altitude, auxiliary loop wheel machine stops release hoist cable, at this point, free end 122 is in predetermined altitude, lifting
Machine continues to discharge hoist cable, and two intact 3 height of blade are gradually reduced.Until two intact blades 3 and simulation blading 1 are simultaneously
When being horizontal, complete impeller and turn over work.Then loop wheel machine and crane is aided in discharge hoist cable simultaneously, until wheel hub 2 touches
Impeller handling work is completed on ground.
In step 140, two hoist cables are hooked using the suspension hook of crane, wherein, a hoist cable and an intact blade 3
It is connected, another hoist cable is connected with another intact blade 3.Hoist cable, hoist cable hanging are linked up with using the suspension hook of auxiliary loop wheel machine
In on updated intact blade 3 close to blade tip position on.Crane and auxiliary loop wheel machine pull the respective hoist cable of recycling simultaneously,
So that impeller is integrally promoted.
In the prior art, suspension centre can only be moved to wheel hub 2 due to damaged blade can not provide suspension centre, entire impeller is carried out
Lifting, hoisting process are complicated for operation, it is impossible to complete impeller using usual manner and lift, hoisting process, which exists, damages remaining intact leaf
The risk of piece 3.3 replacing options of blade of the present invention substitute the blade being damaged using simulation blading 1, so as to
Suspension centre is provided for hanging device, is more changed jobs in order to dismount impeller using usual manner and complete blade 3, reduction more changes jobs
Process difficulty and replacement cost.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, to be rushed as long as there is no structures
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in texts
Disclosed in specific embodiment, but all technical solutions including falling within the scope of the appended claims.
Claims (10)
1. a kind of simulation blading (1), for wind power generating set, the wind power generating set includes installing fixed leaf
The wheel hub (2) of piece (3), which is characterized in that the simulation blading (1) includes：
Connecting pole (11), the connecting pole (11) are included in itself axially upper opposite the first connecting pin (111) and the second connection
It holds (112), the connecting pole (11) is connected by first connecting pin (111) with the wheel hub (2)；
Center of gravity adjustable column (12) is connected with the connecting pole (11), and the center of gravity adjustable column (12) is included in itself axial direction
Opposite change-over terminal (121) and free end (122), the change-over terminal (121) are connected with the second connection end (112),
The separate second connection end (112) of the free end (122),
Wherein, focus point (S) position in the axial direction of the simulation blading (1) and the leaf of the wind power generating set
Focus point (S) position in the axial direction of piece (3) is identical.
2. simulation blading (1) according to claim 1, which is characterized in that the change-over terminal (121) and described second
Connecting pin (112) is detachably connected.
3. simulation blading (1) according to claim 1, which is characterized in that the connecting pole (11) is truss structure
Body.
4. simulation blading (1) according to claim 1, which is characterized in that the cross section of the change-over terminal (121)
Maximum outside diameter is more than the maximum outside diameter of the cross section of the free end (122).
5. it is according to claim 1 simulation blading (1), which is characterized in that the center of gravity adjustable column (12) it is described
Change-over terminal (121) includes protrusion and is arranged at the first lifting part of itself outer surface, the center of gravity adjustable column (12) it is described from
By (122) is held to include the second lifting part that protrusion is arranged at itself outer surface.
6. simulation blading (1) according to claim 1, which is characterized in that the center of gravity of the simulation blading (1)
Point (S) is located at the center of gravity adjustable column (12).
7. simulation blading (1) according to claim 1, which is characterized in that the center of gravity adjustable column (12) is solid
Structure.
8. simulation blading (1) according to claim 1, which is characterized in that the connecting pole (11) is scalable knot
Structure.
9. simulation blading (1) according to claim 1, which is characterized in that first connecting pin (111) includes using
In the first flange disk (111a) being connected with the wheel hub (2), the second connection end (112) include for the switching
The second flange disk (112a) that end (121) is connected, the change-over terminal (121) include being connected with the second flange disk (112a)
The 3rd ring flange (121a) connect.
10. a kind of blade of wind power generating set (3) replacing options, the wind power generating set includes the leaf being arranged in tower
Wheel, which is characterized in that blade (3) replacing options include：
Blade to be replaced is removed from the installation position of the impeller；
Simulation blading (1) as described in any one of claim 1 to 9 is installed on the installation position, to be treated described in replacement
Replace blade, the focus point (S) of the focus point (S) and remaining intact blade on the impeller of the simulation blading (1)
On same circle；
It dismantles the impeller and is down to ground；
The simulation blading (1) is removed, and installs and replaces new blade；
The impeller is promoted, and the impeller is reinstalled into the precalculated position in the tower, completion more changes jobs.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457118.7A CN108105037B (en) | 2017-12-28 | 2017-12-28 | Simulated blade device and blade replacement method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711457118.7A CN108105037B (en) | 2017-12-28 | 2017-12-28 | Simulated blade device and blade replacement method |
Publications (2)
| Publication Number | Publication Date |
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| CN108105037A true CN108105037A (en) | 2018-06-01 |
| CN108105037B CN108105037B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711457118.7A Active CN108105037B (en) | 2017-12-28 | 2017-12-28 | Simulated blade device and blade replacement method |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340056A (en) * | 2018-12-03 | 2019-02-15 | 三重能有限公司 | Blower wind wheel hanging method |
| CN117191386A (en) * | 2023-11-08 | 2023-12-08 | 山东豪迈机械制造有限公司 | Compressor mechanical operation test device and test method |
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|---|---|---|---|---|
| WO2006053554A2 (en) * | 2004-11-22 | 2006-05-26 | Repower Systems Ag | Device and method for mounting and/or dismantling a component of a wind turbine |
| CN102782311A (en) * | 2010-03-09 | 2012-11-14 | Lm玻璃纤维制品有限公司 | A method of craneless mounting or demounting of a wind turbine blade |
| CN108194285A (en) * | 2017-12-21 | 2018-06-22 | 中交三航（上海）新能源工程有限公司 | A kind of offshore wind farm impeller high-altitude method for dismounting and its method for dismounting adjustable center of gravity tooling |
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2017
- 2017-12-28 CN CN201711457118.7A patent/CN108105037B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006053554A2 (en) * | 2004-11-22 | 2006-05-26 | Repower Systems Ag | Device and method for mounting and/or dismantling a component of a wind turbine |
| CN102782311A (en) * | 2010-03-09 | 2012-11-14 | Lm玻璃纤维制品有限公司 | A method of craneless mounting or demounting of a wind turbine blade |
| CN108194285A (en) * | 2017-12-21 | 2018-06-22 | 中交三航（上海）新能源工程有限公司 | A kind of offshore wind farm impeller high-altitude method for dismounting and its method for dismounting adjustable center of gravity tooling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340056A (en) * | 2018-12-03 | 2019-02-15 | 三重能有限公司 | Blower wind wheel hanging method |
| CN117191386A (en) * | 2023-11-08 | 2023-12-08 | 山东豪迈机械制造有限公司 | Compressor mechanical operation test device and test method |
| CN117191386B (en) * | 2023-11-08 | 2024-02-02 | 山东豪迈机械制造有限公司 | Compressor mechanical operation test device and test method |
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| Publication number | Publication date |
|---|---|
| CN108105037B (en) | 2019-09-06 |
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