CN202390071U - Blade change auxiliary system of wind-power generator set - Google Patents
Blade change auxiliary system of wind-power generator set Download PDFInfo
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- CN202390071U CN202390071U CN2011205010891U CN201120501089U CN202390071U CN 202390071 U CN202390071 U CN 202390071U CN 2011205010891 U CN2011205010891 U CN 2011205010891U CN 201120501089 U CN201120501089 U CN 201120501089U CN 202390071 U CN202390071 U CN 202390071U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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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
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- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a blade change auxiliary system of a wind-power generator set, comprising a blade lifting beam and a winch. When a blade to be changed is taken off from an impeller of a tower frame, the blade lifting beam is arranged at the root of the blade to be changed, the lift rope of the winch is connected with the blade lifting beam and is gradually released so as to place the blade to be changed on an operation platform; and when a new blade is arranged on the impeller of the tower frame, the blade lifting beam is arranged at the root of the new blade, the lifting rope of the winch is connected with the blade lifting beam and is gradually retrieved so as to lift the new blade from the operation platform to a blade mounting hole of an impeller hub and mount the new blade on the blade mounting hole. Through the blade change auxiliary system of the wind-power generator set, the blade can be replaced in space without dismantling the whole impeller, so that an operation space for changing the blade is reduced, and the cost and the time required for changing the blade are saved.
Description
Technical field
The utility model belongs to mechanical field, is specifically related to a kind of blade exchanging ancillary system of wind power generating set.
Background technology
Wind energy has become the important means of alleviating human present energy shock that faces and problem of environmental pollution as a kind of available green energy resource.Wind-power electricity generation is exactly one of main mode of utilizing wind energy, and its principle of work is: be mechanical energy with wind energy transformation at first, convert mechanical energy into electric energy again.At present, mainly realize this transformation of energy by aerogenerator.
Usually, wind power generating set is made up of cabin, electrical generator and impeller and is installed in field or sea.At present common impeller generally comprises three blades and a wheel hub, and generally all more than 70 meters, the diameter of the impeller of offshore wind generating group is bigger usually for the diameter of the impeller of land wind power generating set, sometimes even can reach more than 100 meters.For huge blade like this; Quality problems such as each leaf weight is inconsistent can appear in the course of processing unavoidably; In this case; In order to ensure the wind power generating set smooth operation, just need the blade exchanging that have quality problems (that is, its weight obviously is different from the weight of two other blade) in three blades be fallen.In addition, it is high aerial that wind power generating set generally places, when its blade is struck by lightning and also need changes when damaging.
At present; Change that blade is normal to adopt such method: promptly, for the wind power generating set of land, at first adopt goliath directly with whole impeller from the high-altitude pylon pull down; Be put into ground then and carry out the replacing of blade, then whole impeller is installed on the pylon of high-altitude again; For afloat wind power generating set is installed; Usually adopt the heavy construction boats and ships that are fixed with goliath on it or floor space big and be fixed with the ship of crawler crane on it; At first by means of goliath or crawler crane with complete impeller or whole unit from the high-altitude pylon pull down; Carry out the replacing of blade then above deck, then complete impeller or whole unit are installed on the pylon of high-altitude again.
By on can know; Although adopt above-mentioned blade exchanging method can realize the replacing of blade; Yet there is following problems inevitably in it in practical application: one of which; Because above-mentioned blade exchanging method is that whole impeller or unit are disassembled, thereby need to adopt the goliath that crane capacity is big and price is high, this will increase the cost of blade exchanging; They are two years old; Because above-mentioned blade exchanging method is with whole impeller or unit disassembles and on ground or ship's deck, accomplish the replacing of blade; Complete impeller integral body after then again blade exchanging being accomplished is sling and is installed on the high aerial pylon, thereby, not only can on the ground or take bigger working space on the ship's deck; But also make that the replacing time that blade spent is longer, thereby it is low to cause changing efficient.
This shows how to provide a kind of cost low and can not receive the blade exchanging scheme of operating location restriction just to become the technical matters that those skilled in the art need to be resolved hurrily.
The utility model content
For solving the problems of the technologies described above; The utility model provides a kind of blade exchanging ancillary system of wind power generating set; Adopt this system to accomplish the replacing of blade aloft and need not whole impeller is pulled down; Thereby reduced to change the required working space of blade, saved required expense and the time of blade of changing.
For this reason; The utility model also provides a kind of blade exchanging ancillary system of wind power generating set; It comprises blade hanging beam and winch, and when the impeller on placing pylon took off blade to be replaced, said blade hanging beam was installed in the blade root place of said blade to be replaced; The lifting rope of said winch connects said blade hanging beam, and said winch discharges its lifting rope gradually so that blade to be replaced is placed into job platform; When new blade being installed on the impeller that places on the pylon; Said blade hanging beam is installed in the blade root place of said new blade; The lifting rope of said winch connects said blade hanging beam, and said winch reclaims its lifting rope gradually and said new blade is promoted to the place, blade installation hole on the said impeller hub and is installed on this from said job platform.
Wherein, said winch is installed in the cabin of said wind power generating set.Perhaps said winch is installed on the job platform, and said blade exchanging ancillary system comprises that also the winch that is installed on the cabin uses fixed pulley, and the lifting rope of said winch passes said fixed pulley and is connected to said blade hanging beam.
Wherein, The blade exchanging ancillary system of wind power generating set also comprises hoisting crane; At the impeller of the said wind power generating set of rotation so that said blade to be replaced when being in vertically position down; Steel rope is used in fixing rotation on the hanger of electrical generator, and said hoisting crane drives said blade rotation to be replaced to vertical position down through spurring said rotation with steel rope; When new blade being installed on the impeller that places on the pylon; The lifting cable of said hoisting crane is connected on the said new blade near the position of blade tip and is in slack-free state, avoids said new blade and tower tube to produce collision with the direction of the said new blade of aux. controls.
Wherein, The blade exchanging ancillary system of wind power generating set comprises that also the hoisting crane that is installed in said tower tube lower position uses fixed pulley; At the impeller of the said wind power generating set of rotation so that said blade to be replaced when being in vertically position down; With fixed pulley and be connected to said hoisting crane, said hoisting crane upwards promotes said rotation and drives said blade rotation to be replaced to vertical down position with steel rope with the said hoisting crane of steel wire penetrating in said rotation.
Because comprising, the blade exchanging ancillary system of the wind power generating set that provides of the utility model is used for to held blade to be replaced and the winch and the blade hanging beam that upwards promote new blade; And when the impeller on placing pylon takes off blade to be replaced, can discharge its lifting rope gradually and blade to be replaced is placed into job platform gradually through winch; When new blade being installed on the impeller that places on the pylon; Reclaims its lifting rope gradually and new blade is promoted to the blade installation hole place on the impeller hub gradually and is installed on this from job platform through winch, so it has following beneficial effect with respect to prior art:
One of which; The blade exchanging ancillary system of the wind power generating set that provides by means of the utility model; Only need to dismantle blade to be replaced down on the impeller on the pylon of high-altitude separately from being positioned at; And only need new blade be promoted and is mounted on the impeller that is positioned on the pylon of high-altitude by job platform; And need not as prior art, use goliath that whole impeller is taken off from the aerial pylon of height in order to change certain blade, and re-use this goliath after changing and whole impeller is reinstalled on the high aerial pylon accomplishing.Therefore; The blade exchanging ancillary system of the wind power generating set that employing the utility model provides; Only need to carry the winch of individual blade weight; And must employing can carry the goliath of whole impeller need not in prior art, thereby can save the cost of blade exchanging greatly.
Its two, adopt the blade exchanging ancillary system of the wind power generating set that the utility model provides to carry out blade exchanging, only need at the aerial dismounting blade to be replaced of height and new blade is installed; Promptly; Accomplish the replacing of blade in the air at height, and need not as prior art, on job platform, to accomplish the replacing of blade, promptly; Whole impeller pulled down be placed on the job platform, and then dismantle blade to be replaced and new blade is installed.Therefore, the blade exchanging ancillary system of the wind power generating set that employing the utility model provides need not on job platform, to take bigger space when carrying out blade exchanging, thereby saves working space.
They are three years old; The blade exchanging ancillary system of the wind power generating set that employing the utility model provides is carried out blade exchanging; Only need to dismantle blade to be replaced in the air and new blade is installed at height; Rather than as prior art, need whole impeller be reinstalled on the pylon from the young leaves wheel that the aerial pylon of height removes and will change behind the blade; Therefore, the blade exchanging ancillary system of the wind power generating set that employing the utility model provides need not the more production time of cost as prior art when carrying out blade exchanging, thereby blade exchanging efficient is higher.
Description of drawings
Fig. 1 carries out the process scheme drawing of blade exchanging for the blade exchanging ancillary system of the wind power generating set that adopts specific embodiment of the utility model and provide;
Fig. 2 carries out the process scheme drawing of blade exchanging for the blade exchanging ancillary system of the wind power generating set that adopts another specific embodiment of the utility model and provide;
Fig. 3 prepares rotary blade for the blade exchanging ancillary system that adopts the utility model and provide so that the scheme drawing when making blade to be replaced rotate to vertically position down;
Scheme drawing when Fig. 4 makes blade to be replaced be in vertically position down for impeller Rotate 180 degree;
Scheme drawing when Fig. 5 transfers blade to be replaced for winch;
Fig. 6 is the scheme drawing when preparing the new blade of installation by winch;
Fig. 7 is the scheme drawing when promoting new blade by winch; And
Fig. 8 is for being mounted to the scheme drawing of impeller hub when forming new impeller by winch with new blade.
The specific embodiment
For making those skilled in the art understand the technical scheme of the utility model better, the blade exchanging ancillary system of the wind power generating set that the utility model is provided below in conjunction with accompanying drawing and the specific embodiment is described in detail.In each accompanying drawing, for identical or cooresponding part, the mark same numeral.
For ease of explanation, below be that example describes with the direct-drive aerogenerator group that is installed in the land.And, carry out as giving a definition at these some nouns that occur in earlier to this paper: the blade so so-called blade to be replaced refers to, that is, and the weight of its in same impeller other blades of varying in weight and need be replaced.So-called job platform refers to the working space on ground or operation ship's deck when changing blade, and when wind power generating set was installed in the land, job platform was the ground of tower tube periphery; When wind power generating set was installed in the sea, job platform was the deck of operation ship.So-called tower tube lower position refers to the position near the tower tube bottom, for example, can be above-mentioned job platform, also can be near the position of bottom on the tower tube.
The blade exchanging ancillary system of the wind power generating set that the utility model provides comprises the blade hanging beam at winch and the blade root place (that is root of blade) that can be installed to blade.Wherein, When the impeller on placing pylon takes off blade to be replaced (; With blade to be replaced by the impeller on the pylon of high-altitude on dismounting and when being placed on the job platform); The blade hanging beam is installed in the blade root place of blade to be replaced, and the lifting rope of winch connects this blade hanging beam, and winch is placed into blade to be replaced on the job platform through discharging its lifting rope gradually gradually; When new blade being installed on the impeller that places on the pylon; The blade hanging beam is installed in the blade root place of new blade; The lifting rope of winch connects this blade hanging beam; And winch is promoted to the position in the blade installation hole on the impeller hub of wind power generating set gradually from job platform with new blade and with new blade through reclaiming its lifting rope gradually, so that should be installed in this blade installation hole by new blade, thereby accomplish the replacing of blade and form new impeller.
In practical application, winch can be installed in the cabin of wind power generating set, also can be installed on the job platform.In the time of in it is installed in the cabin, the lifting rope direct connection blade hanging beam of winch; In the time of on it is installed in such as the job platform of ground or ship's deck etc.; Need use fixed pulley for it disposes winch, this winch is installed on the cabin with fixed pulley, and the lifting rope of winch passes this fixed pulley and is connected to the blade hanging beam; That is to say; The lifting rope of winch extends at first from bottom to top, then changes its direction via fixed pulley and extends from top to bottom and be connected to the blade hanging beam, so that through discharging or reclaiming and foliation sheet or upwards promote blade downwards.
In practical application, this blade exchanging ancillary system can also comprise hoisting crane.When blade to be replaced is lighter than other blades because of quality problems or because of factor such as be struck by lightning; This blade to be replaced can turn to vertical position up by nature under the effect of gravity; Can rotate to vertical position down with blade to be replaced this moment by means of hoisting crane; Particularly; The fixing rotation used steel rope on the hanger of electrical generator, and hoisting crane is spent with the wheel rotation 180 that steel rope drives wind power generating set through spurring this rotation, makes the vertical certainly rotated position up of blade to be replaced to vertical position down.And behind blade rotation to be replaced to vertical down position, the rotor locking device that can carry by means of blower fan and with the locking position of rotor is so that at impeller location replacing blade fixedly the time.
Certainly; When in practical application, using hoisting crane to come rotary blade; Can use fixed pulley at tower tube lower position erecting crane, steel rope use in fixing rotation on the hanger of electrical generator, makes to rotate with the steel wire penetrating hoisting crane with fixed pulley and be connected to hoisting crane; Hoisting crane upwards promotes this rotation drives wind power generating set with steel rope wheel rotation 180 degree, makes blade rotation to be replaced to vertical position down.Be appreciated that when adopting this mode, need not to use the hoisting crane of armed lever length, thereby further practiced thrift cost.
When the blade exchanging ancillary system comprises hoisting crane; The direction that can when new blade is installed, come the new blade of aux. controls by means of this hoisting crane; Particularly; Make the lifting cable of hoisting crane be connected on the new blade near the position of blade tip and be in slack-free state, the direction of the new blade of aux. controls produces collision to avoid new blade and tower tube by this.
See also Fig. 1, wherein show the process scheme drawing that the blade exchanging ancillary system that adopts the wind power generating set that specific embodiment of the utility model provides is carried out blade exchanging.Wherein, the blade exchanging ancillary system that present embodiment provides comprises the blade hanging beam at winch and the blade root place (that is, root of blade) that can be installed to blade, and it is in vertical wind power generating set towards upper/lower positions applicable to blade to be replaced.
Wherein, in step 110, when blade to be replaced is in vertically position down, this blade is disassembled from placing the impeller on the high aerial pylon.Particularly; The lifting rope that will be installed in the cabin earlier or be installed in such as the winch on the job platform of ground or operation ship's deck etc. is connected on the blade hanging beam at the blade root place that is installed in blade to be replaced, then through the lifting rope that discharges winch gradually blade to be replaced is placed on the ground gradually.
In step 120, new blade is promoted to the wheel hub that is positioned at the impeller on the pylon of high-altitude and installs, thereby accomplish the blade exchanging of this wind power generating set.Particularly; Lifting rope with winch is connected on the blade hanging beam at the blade root place that is installed in new blade earlier; And the lifting cable of hoisting crane is connected on this new blade the position near blade tip; Then promote this new blade gradually to wheel hub and attach it in the blade installation hole on the wheel hub, thereby accomplish the blade exchanging process of this wind power generating set through the lifting rope that reclaims winch.
See also Fig. 2, wherein show the process scheme drawing that the blade exchanging ancillary system that adopts the wind power generating set that another specific embodiment of the utility model provides is carried out blade exchanging.Wherein, The blade exchanging ancillary system that present embodiment provides comprises that winch, hoisting crane, hoisting crane are with fixed pulley and the blade root place that can be installed to blade (promptly; Root of blade) blade hanging beam, and be applicable to that blade to be replaced is in vertically the wind power generating set of position up.
Wherein, in step 210, make blade to be replaced rotate to vertical position down.Particularly, when certain blade was lost part weight or is lighter than other blades because of quality problems because of being struck by lightning, this blade promptly was confirmed as blade to be replaced, and this blade to be replaced can turn to vertical position up by nature under the effect of gravity.Yet in practical application, this blade to be replaced only just is easy to dismounting when the position that is in vertically down, therefore makes this blade to be replaced be in vertically position down with regard to needing wheel rotor.Usually can adopt in such a way will this blade rotation to be replaced to vertical down position; Promptly; A fixing steel rope (be designated hereinafter simply as rotation and use steel rope) that is used for auxiliary rotary blade on the hanger of electrical generator; And make rotation use fixed pulley with the hoisting crane that steel wire penetrating has been installed in tower tube lower position; Then utilize the hoisting crane be installed on the job platform will rotate and upwards promote with steel rope, thus accomplish the work of wheel rotation 180 degree and drive this blade to be replaced by vertical up rotated position to vertical position down.In said process, be wheel rotor successfully, rotation is remained in the plane with steel rope; And it is vertical behind upper/lower positions to treat that this blade to be replaced goes to, and uses rotor locking device that generator amature is fixed, so that at impeller location replacing blade fixedly the time.
In step 220, when blade to be replaced is in vertically position down, this blade is disassembled from placing the impeller on the pylon of high-altitude.Particularly; The lifting rope that will be installed in the cabin or be installed in the winch on the job platform earlier is connected on the blade hanging beam at the blade root place that is installed in blade to be replaced, then through the lifting rope that discharges winch gradually blade to be replaced is placed on the ground gradually.
In step 230, new blade is promoted to the wheel hub of the wind power generating set impeller that is positioned on the pylon of high-altitude and installs, thereby accomplish the blade exchanging of this wind power generating set.Particularly; Lifting rope with winch is connected on the blade hanging beam at the blade root place that is installed in new blade earlier; And the lifting cable of hoisting crane is connected on this new blade the position near blade tip; Then promote this new blade gradually through the lifting rope that reclaims winch gradually, can adopt hoisting crane to come the direction of aux. controls this new blade for fear of new blade and blower fan tower barrel generation collision this moment.Along with the continuous lifting of this new blade, it is adjusted to vertical state gradually, continue to promote this new blade to wheel hub and attach it in the blade installation hole on the wheel hub, thereby accomplishes the blade exchanging process of this wind power generating set.In fact, in the process that promotes new blade,, then need not to adopt hoisting crane to come the direction of this new blade of aux. controls if there is not wind.
It is to be noted; Although the weight of the blade to be replaced described in the previous embodiment is lighter than the weight of other blades, in practical application, be not limited thereto, for example also can be such situation; Promptly; The weight of blade to be replaced is greater than the weight of other blades, and at this moment, blade to be replaced can turn to vertically position down naturally and need not artificially to rotate so that it is in position down under the effect of gravity.
Can know through foregoing description; The blade exchanging system of the wind power generating set that the employing present embodiment provides carries out blade exchanging; Need not as prior art; Certain blade must pylon takes off from the high-altitude with whole impeller in order to change, and after accomplishing replacing, more whole impeller is relocated on the high aerial pylon; But place under the situation on the pylon of high-altitude the replacing of accomplishing blade all the time at impeller.Particularly; When blade to be replaced is in position down, its impeller hub on placing pylon is disassembled; Again new blade is promoted to wheel hub and is installed in the blade installation hole on the wheel hub, thereby place the blade exchanging work of accomplishing this wind power generating set under the situation on the pylon all the time at impeller.This shows; The blade exchanging system of the wind power generating set that the employing present embodiment provides carries out blade exchanging; Only need to carry the equipment such as winch of individual blade; And therefore the goliath of the whole impeller of must employing need not in prior art can slinging can save the cost of blade exchanging greatly.And; Owing to need not whole impeller is pulled down and on the job platform such as ground or ship's deck etc., accomplished blade exchanging; Need not to take bigger working space when therefore, adopting the blade exchanging system of the wind power generating set that present embodiment provides to carry out blade exchanging.In addition; Owing to need again not be installed to pylon on from the new impeller that the aerial pylon of height removes and will change behind the blade impeller; Therefore; The blade exchanging system of the wind power generating set that the employing present embodiment provides need not the more production time of cost as prior art when carrying out blade exchanging, thereby it is higher relatively to change efficient.
Combine Fig. 3 to Fig. 8 below again and be that example specifies the process that the blade exchanging ancillary system that adopts the wind power generating set that the utility model provides is carried out blade exchanging with the direct-drive aerogenerator group that is installed in the land.
Particularly, Fig. 3 prepares rotary blade for the blade exchanging ancillary system that adopts the utility model and provide so that the scheme drawing when making blade to be replaced rotate to vertically position down; Scheme drawing when Fig. 4 makes blade to be replaced be in vertically position down for impeller Rotate 180 degree.Please consult Fig. 3 and Fig. 4 in the lump; Fixing rotation is with steel rope 6 on the hanger 3 of electrical generator; Make rotation be passed in the hoisting crane that is provided with near ground on the tower tube 9 with fixed pulley 5 and be connected to the armed lever end of hoisting crane 4 with steel rope 6; Then utilize hoisting crane 4 will rotate and upwards promote, thereby make impeller 2 rotate 180 degree to drive this blade 1 to be replaced by vertical up rotated position to vertical down position with steel rope 6.In said process, be wheel rotor 2 successfully, rotation is remained in the plane with steel rope 6; And it is vertical behind upper/lower positions to treat that this blade 1 to be replaced goes to, and uses rotor locking device (figure does not show) that generator amature is fixed, so that when impeller 2 stationkeeping, change blade.
Scheme drawing when Fig. 5 transfers blade to be replaced for winch.As shown in the figure, the lifting rope 10 that will be installed in the winch 7 in the cabin earlier is connected on the blade hanging beam at blade root place of blade 1 to be replaced, then discharges the lifting rope 10 of winch 7 gradually so that blade 1 to be replaced is placed on the ground gradually.
Fig. 6 is the scheme drawing when preparing the new blade of installation by winch.As shown in the figure; The lifting rope 10 of winch 7 is connected on the blade hanging beam at the blade root place that is installed in new blade 8; Produce collision for fear of new blade 8 and blower fan tower barrel 9 simultaneously; And the lifting cable of hoisting crane 4 is connected on this new blade 8 position near blade tip, to come the direction of the new blade 8 of aux. controls by hoisting crane 4.
Fig. 7 is the scheme drawing when promoting new blade by winch.As shown in the figure; Be connected at lifting rope 10 on the blade hanging beam at the blade root place that is installed in new blade 8 and the lifting cable of hoisting crane 4 is connected on this new blade 8 behind the position near blade tip, reclaim its lifting rope 10 gradually and promote new blade 8 gradually through winch 7 with winch 7.Along with the continuous lifting of this new blade 8, this new blade 8 is adjusted to vertical state gradually.
Fig. 8 is for being mounted to the scheme drawing of impeller hub when forming new impeller by winch with new blade.As shown in the figure, after this new blade 8 is in vertical state shown in Figure 7, continue to promote this new blade 8 to the wheel hub of impeller 2 and attach it in the blade installation hole on the wheel hub, thereby accomplish the blade exchanging process of this wind power generating set.
It is understandable that; Although previous embodiment is to be that example describes with the direct-drive aerogenerator group that is installed in the land; But in practical application; The blade exchanging ancillary system of the wind power generating set that the utility model provides is not limited thereto, but also is applicable to the afloat direct-drive aerogenerator group of installation.And; Although previous embodiment is that the impeller with three blades is that example describes; But in practical application, the blade exchanging ancillary system of the wind power generating set that the utility model provides also is applicable to the impeller of other blade quantities, for example impeller of two blades etc.
Will also be appreciated that above embodiment only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection domain of the utility model.
Claims (5)
1. the blade exchanging ancillary system of a wind power generating set; It is characterized in that; Comprise blade hanging beam and winch, when the impeller on placing pylon took off blade to be replaced, said blade hanging beam was installed in the blade root place of said blade to be replaced; The lifting rope of said winch connects said blade hanging beam, and said winch discharges its lifting rope gradually so that blade to be replaced is placed into job platform; When new blade being installed on the impeller that places on the pylon; Said blade hanging beam is installed in the blade root place of said new blade; The lifting rope of said winch connects said blade hanging beam, and said winch reclaims its lifting rope gradually and said new blade is promoted to the place, blade installation hole on the said impeller hub and is installed on this from said job platform.
2. the blade exchanging ancillary system of wind power generating set as claimed in claim 1 is characterized in that, said winch is installed in the cabin of said wind power generating set.
3. the blade exchanging ancillary system of wind power generating set as claimed in claim 1; It is characterized in that; Said winch is installed on the job platform; And said blade exchanging ancillary system comprises that also the winch that is installed on the cabin uses fixed pulley, and the lifting rope of said winch passes said fixed pulley and is connected to said blade hanging beam.
4. the blade exchanging ancillary system of wind power generating set as claimed in claim 1; It is characterized in that also comprising hoisting crane; At the impeller of the said wind power generating set of rotation so that said blade to be replaced when being in vertically position down; Steel rope is used in fixing rotation on the hanger of electrical generator, and said hoisting crane drives said blade rotation to be replaced to vertical position down through spurring said rotation with steel rope; When new blade being installed on the impeller that places on the pylon; The lifting cable of said hoisting crane is connected on the said new blade near the position of blade tip and is in slack-free state, the direction of the said new blade of aux. controls and avoid said new blade and tower tube to produce collision.
5. the blade exchanging ancillary system of wind power generating set as claimed in claim 4; It is characterized in that also comprising that the hoisting crane that is installed in said tower tube lower position uses fixed pulley; When making said blade to be replaced be in vertically position down at the impeller of the said wind power generating set of rotation; With fixed pulley and be connected to said hoisting crane, said hoisting crane upwards promotes said rotation and drives said blade rotation to be replaced to vertical down position with steel rope with the said hoisting crane of steel wire penetrating in said rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011205010891U CN202390071U (en) | 2011-12-02 | 2011-12-02 | Blade change auxiliary system of wind-power generator set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205010891U CN202390071U (en) | 2011-12-02 | 2011-12-02 | Blade change auxiliary system of wind-power generator set |
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| CN202390071U true CN202390071U (en) | 2012-08-22 |
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| CN2011205010891U Expired - Lifetime CN202390071U (en) | 2011-12-02 | 2011-12-02 | Blade change auxiliary system of wind-power generator set |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103008972A (en) * | 2012-12-27 | 2013-04-03 | 北京金风科创风电设备有限公司 | Blade replacing and installing method of wind generating set |
| CN103133267A (en) * | 2011-12-02 | 2013-06-05 | 新疆金风科技股份有限公司 | Blade replacement method and blade replacement auxiliary system of wind generating set |
| CN103723614A (en) * | 2014-01-24 | 2014-04-16 | 江苏金风科技有限公司 | Wind generating set blade 30-degree angle installation lifting appliance and lifting method thereof |
| CN105324576A (en) * | 2013-06-21 | 2016-02-10 | 乌本产权有限公司 | Method for mounting a wind turbine rotor blade, and wind turbine rotor blade |
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| CN108821138A (en) * | 2018-08-23 | 2018-11-16 | 上海峙狄机械设备有限公司 | Hanging device for offshore wind farm unit key components and parts |
| CN113931802A (en) * | 2021-09-24 | 2022-01-14 | 广东水电二局股份有限公司 | High-altitude fan blade replacement method based on cooperation of double cranes |
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- 2011-12-02 CN CN2011205010891U patent/CN202390071U/en not_active Expired - Lifetime
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| CN103133267B (en) * | 2011-12-02 | 2015-11-25 | 新疆金风科技股份有限公司 | The blade exchanging method of wind power generating set and blade exchanging auxiliary system |
| CN103133267A (en) * | 2011-12-02 | 2013-06-05 | 新疆金风科技股份有限公司 | Blade replacement method and blade replacement auxiliary system of wind generating set |
| CN103008972A (en) * | 2012-12-27 | 2013-04-03 | 北京金风科创风电设备有限公司 | Blade replacing and installing method of wind generating set |
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| CN105324576A (en) * | 2013-06-21 | 2016-02-10 | 乌本产权有限公司 | Method for mounting a wind turbine rotor blade, and wind turbine rotor blade |
| CN103723614B (en) * | 2014-01-24 | 2016-03-02 | 江苏金风科技有限公司 | A kind of wind generator set blade 30 degree of angle mounting hangers and hanging method thereof |
| CN103723614A (en) * | 2014-01-24 | 2014-04-16 | 江苏金风科技有限公司 | Wind generating set blade 30-degree angle installation lifting appliance and lifting method thereof |
| CN106744271A (en) * | 2016-12-26 | 2017-05-31 | 北京金风科创风电设备有限公司 | Wind driven generator blade hoisting tool, hoisting method and dismounting method |
| CN106744271B (en) * | 2016-12-26 | 2019-02-12 | 北京金风科创风电设备有限公司 | Wind driven generator blade hoisting tool, hoisting method and dismounting method |
| CN108821138A (en) * | 2018-08-23 | 2018-11-16 | 上海峙狄机械设备有限公司 | Hanging device for offshore wind farm unit key components and parts |
| CN108821138B (en) * | 2018-08-23 | 2023-09-29 | 上海峙狄机械设备有限公司 | Hoisting equipment for key parts of offshore wind turbine generator |
| CN114072349A (en) * | 2019-03-01 | 2022-02-18 | 力富特Ip有限公司 | Crane system for hoisting wind turbine components |
| CN113931802A (en) * | 2021-09-24 | 2022-01-14 | 广东水电二局股份有限公司 | High-altitude fan blade replacement method based on cooperation of double cranes |
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