CN103133267B - The blade exchanging method of wind power generating set and blade exchanging auxiliary system - Google Patents
The blade exchanging method of wind power generating set and blade exchanging auxiliary system Download PDFInfo
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- CN103133267B CN103133267B CN201110399598.2A CN201110399598A CN103133267B CN 103133267 B CN103133267 B CN 103133267B CN 201110399598 A CN201110399598 A CN 201110399598A CN 103133267 B CN103133267 B CN 103133267B
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Abstract
The invention provides a kind of blade exchanging method of wind power generating set, it comprises the steps: 110) blade to be replaced be in vertically position down time, this blade is disassembled from the impeller be placed in pylon; 120) new blade be promoted to the wheel hub of described impeller and install, thus completing the blade exchanging of this wind power generating set.In addition, the present invention also provides a kind of blade exchanging auxiliary system of wind power generating set.Utilize blade exchanging method and the blade exchanging auxiliary system of wind power generating set provided by the invention, can aloft complete blade replacing and without the need to whole impeller is pulled down, thus reduce and change working space needed for blade, save the expense needed for blade changed and time.
Description
Technical field
The invention belongs to mechanical field, be specifically related to a kind of blade exchanging method and blade exchanging auxiliary system of wind power generating set.
Background technique
Wind energy, as the available green energy resource of one, has become the important means alleviating current the faced energy crisis of the mankind and environmental pollution problem.Wind-power electricity generation is exactly one of major way utilizing wind energy, and its working principle is: be first mechanical energy by wind energy transformation, then mechanical energy is converted to electric energy.At present, this transformation of energy is realized primarily of wind-driven generator.
Usually, wind power generating set is made up of cabin, generator and impeller and is arranged on field or sea.Impeller common at present generally comprises three blades and a wheel hub, and the diameter of the impeller of land wind power generating set is general all more than 70 meters, and the diameter of the impeller of offshore wind turbine is usually larger, sometimes even can reach more than 100 meters.For so huge blade, in course of working, there will be each leaf quality problem unavoidably, in this case, in order to ensure wind power generating set stable operation, just need the blade exchanging that there are quality problems in three blades to fall.In addition, wind power generating set is generally placed in high aerial, is also needed to change when its blade is struck by lightning and damages.
At present, change blade and often adopt such method: namely, for the wind power generating set of land, first adopt goliath directly to be pulled down from high-altitude pylon by whole impeller, then be put into the replacing that blade is carried out on ground, then whole impeller be installed on the pylon of high-altitude again; For the afloat wind power generating set of installation, usual employing it is fixed with the major works boats and ships of goliath or floor space comparatively large and it is fixed with the ship of crawler crane, first by means of goliath or crawler crane, complete impeller or whole unit are pulled down from high-altitude pylon, then carry out the replacing of blade above deck, then complete impeller or whole unit are installed on the pylon of high-altitude again.
As from the foregoing, although adopt above-mentioned blade exchanging method can realize the replacing of blade, but inevitably there is following problems in it in actual applications: one, because above-mentioned blade exchanging method is disassembled whole impeller or unit, thus need to adopt crane capacity large and the goliath that price is high, this will increase the cost of blade exchanging; They are two years old, because above-mentioned blade exchanging method whole impeller or unit is disassembled and complete the replacing of blade on ground or ship's deck, complete impeller entirety after then being completed by blade exchanging is again sling and is installed on high aerial pylon, thus, not only on the ground or ship's deck can take larger working space, but also the time making replacing blade spend is longer, thus it is low to cause changing efficiency.
As can be seen here, how to provide a kind of cost low and can not just become those skilled in the art's technical problem urgently to be resolved hurrily by the blade exchanging method of operating location restriction.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of blade exchanging method and blade exchanging auxiliary system of wind power generating set, adopt the method and/or this system can aloft complete blade replacing and without the need to whole impeller is pulled down, thus reduce and change working space needed for blade, save the expense needed for blade changed and time.
For this reason, the invention provides a kind of blade exchanging method of wind power generating set, it comprises the steps: 110) blade to be replaced be in vertically position down time, this blade is disassembled from the impeller be placed in pylon; 120) new blade be promoted to the wheel hub of described impeller and install, thus completing the blade exchanging of this wind power generating set.
Wherein, in described step 110) also comprise step 100 before): make blade rotation to be replaced to vertical position down.
Wherein, in described step 100) in, the hanger of generator is fixed rotation wire rope, pulls described rotation wire rope by hoist and drive described blade rotation to be replaced to vertical position down.
Wherein, in described step 100) in, the hanger of generator is fixed rotation wire rope, and make described rotation steel wire penetrating be arranged on the static pulley of described tower cylinder lower position, then upwards promote described rotation wire rope by hoist and drive described blade rotation to be replaced to vertical position down.
Wherein, in described step 100) in, pull rotation wire rope to drive described blade rotation to be replaced in the process of vertical position down at hoist, rotation wire rope is remained in a plane.
Wherein, in described step 100) in, when described blade to be replaced goes to vertically towards upper/lower positions, use rotor locking device to be fixed by generator amature.
Wherein, in described step 110) in, first the lifting rope of the winch being arranged in cabin or be arranged on working platform is connected on the blade hanging beam at the blade root place being arranged on blade to be replaced, then by discharging the lifting rope of winch gradually and described blade to be replaced being placed on working platform.
Wherein, in described step 120) in, first the lifting rope of winch is connected on the blade hanging beam at the blade root place being arranged on new blade, and the position lifting cable of hoist is connected near blade tip on described new blade, then by reclaim winch lifting rope and new blade is promoted to described impeller wheel hub in and the blades installation hole attached it on wheel hub, thus complete the installation of new blade.
As another technological scheme, present invention also offers a kind of blade exchanging auxiliary system of wind power generating set, it comprises blade hanging beam and winch, when taking off blade to be replaced from the impeller be placed on pylon, described blade hanging beam is arranged on the blade root place of described blade to be replaced, the lifting rope of described winch connects described blade hanging beam, and described winch discharges its lifting rope gradually so that blade to be replaced is placed into working platform; When new blade being installed on the impeller be placed on pylon, described blade hanging beam is arranged on the blade root place of described new blade, the lifting rope of described winch connects described blade hanging beam, and described winch reclaims its lifting rope gradually and described new blade is promoted to the blades installation hole place on described impeller hub from described working platform and is installed on this.
Wherein, described winch is arranged in the cabin of described wind power generating set.Or described winch is arranged on working platform, and described blade exchanging auxiliary system also comprises the winch static pulley be arranged on cabin, and the lifting rope of described winch is connected to described blade hanging beam through described static pulley.
Wherein, the blade exchanging auxiliary system of wind power generating set also comprises hoist, the impeller rotating described wind power generating set with make described blade to be replaced be in vertically position down time, the hanger of generator is fixed rotation wire rope, and described hoist drives described blade rotation to be replaced to vertical position down by pulling described rotation wire rope; When new blade being installed on the impeller be placed on pylon, the lifting cable of described hoist to be connected on described new blade near the position of blade tip and to be in the state of tensioning, avoids described new blade and tower cylinder to produce collide with the direction of the described new blade of auxiliary control.
Wherein, the blade exchanging auxiliary system of wind power generating set also comprises the hoist static pulley being arranged on described tower cylinder lower position, the impeller rotating described wind power generating set with make described blade to be replaced be in vertically position down time, hoist static pulley described in described rotation steel wire penetrating is also connected to described hoist, and described hoist upwards promotes described rotation wire rope and drives described blade rotation to be replaced to vertical position down.
Relative to prior art, the present invention has following beneficial effect:
One, the blade exchanging method of wind power generating set provided by the invention, from the impeller be positioned at the pylon of high-altitude, only need dismantle separately lower blade to be replaced, and only need new blade to be promoted by working platform and be mounted on the impeller that is positioned on the pylon of high-altitude, and without the need to as prior art, whole impeller must be taken off from high-altitude pylon to change certain blade, and more whole impeller be reinstalled to after completing replacing on high aerial pylon.Therefore, adopt the blade exchanging method of wind power generating set provided by the invention, only need the equipment such as the winch that can carry individual blade weight, and the goliath that can carry whole impeller must be adopted in the prior art without the need to picture, thus greatly can save the cost of blade exchanging.
They are two years old, the blade exchanging method of wind power generating set provided by the invention, due to only lower blade to be replaced need be dismantled separately from the impeller be positioned at high aerial pylon, and new blade is promoted to the impeller hub place be positioned on high aerial pylon and installs and complete the replacing of blade, also just say, the blade exchanging method of wind power generating set provided by the invention dismantles blade to be replaced in the air at height and installs new blade, also the replacing of blade is namely completed in the air at height, and be invariably the replacing completing blade as prior art on working platform, namely, whole impeller is pulled down on the working platform being placed into such as ground or ship's deck etc., and then dismantle blade to be replaced and new blade is installed.Therefore, the blade exchanging method of wind power generating set provided by the invention, when carrying out blade exchanging, without the need to taking the so large space of whole impeller on working platform, thus saves working space.
They are three years old, the blade exchanging method of wind power generating set provided by the invention, owing to being dismantle blade to be replaced in the air at height and install new blade, instead of need whole impeller is removed from the pylon that height is aerial and the new impeller after changing blade is reinstalled on pylon again as prior art, therefore, without the need to spending the more activity duration as prior art when the blade exchanging method of wind power generating set provided by the invention changes blade, thus blade exchanging efficiency is higher.
Similarly, because the blade exchanging auxiliary system of wind power generating set provided by the invention comprises blade hanging beam and winch, and when taking off blade to be replaced from the impeller be placed on pylon, this blade hanging beam is arranged on the blade root place of blade to be replaced, the lifting rope of this winch connects blade hanging beam, and winch discharges its lifting rope gradually so that blade to be replaced is placed into working platform; When new blade being installed on the impeller be placed on pylon, this blade hanging beam is arranged on the blade root place of new blade, the lifting rope of this winch connects blade hanging beam, and winch reclaims its lifting rope gradually and new blade is promoted to the blades installation hole place on impeller hub from working platform and is installed on this.As can be seen here, blade exchanging auxiliary system by means of wind power generating set provided by the invention only need dismantle separately lower blade to be replaced from the impeller be positioned at the pylon of high-altitude, and only need new blade to be promoted by working platform and be mounted on the impeller that is positioned on the pylon of high-altitude, and without the need to as prior art, use goliath to be taken off from the pylon that height is aerial by whole impeller to change certain blade, and after completing replacing, re-use this goliath whole impeller is reinstalled on high aerial pylon.Therefore, adopt the blade exchanging auxiliary system of wind power generating set provided by the invention, only need the winch that can carry individual blade weight, and the goliath that can carry whole impeller must be adopted in the prior art without the need to picture, thus greatly can save the cost of blade exchanging.
And, the blade exchanging auxiliary system of wind power generating set provided by the invention is adopted to carry out blade exchanging, only need dismantle blade to be replaced in the air at height and new blade is installed, namely, the replacing of blade is completed in the air at height, and without the need to completing the replacing of blade as prior art on working platform, namely, whole impeller is pulled down and is placed on working platform, and then dismantle blade to be replaced and new blade is installed.Therefore, without the need to taking larger space on working platform when adopting the blade exchanging auxiliary system of wind power generating set provided by the invention to carry out blade exchanging, thus save working space.
In addition, the blade exchanging auxiliary system of wind power generating set provided by the invention is adopted to carry out blade exchanging, only need dismantle blade to be replaced in the air at height and new blade is installed, instead of need whole impeller is removed from the pylon that height is aerial and the young leaves wheel after changing blade is reinstalled on pylon as prior art, therefore, without the need to spending the more activity duration as prior art when adopting the blade exchanging auxiliary system of wind power generating set provided by the invention to carry out blade exchanging, thus blade exchanging efficiency is higher.
Accompanying drawing explanation
The schematic flow sheet of the blade exchanging method of the wind power generating set that Fig. 1 provides for the present invention's specific embodiment;
The schematic flow sheet of the blade exchanging method of the wind power generating set that Fig. 2 provides for another specific embodiment of the present invention;
Fig. 3 prepares rotary blade to make blade rotary to be replaced to schematic diagram during vertical position down;
Fig. 4 is the schematic diagram of vane rotary 180 degree when making blade to be replaced be in vertical position down;
Fig. 5 is the schematic diagram of winch when transferring blade to be replaced;
Fig. 6 is by schematic diagram during winch preparation new blade of installation;
Fig. 7 is schematic diagram when promoting new blade by winch; And
New blade to be mounted to schematic diagram when impeller hub forms new impeller by winch by Fig. 8.
Embodiment
For making those skilled in the art understand technological scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the blade exchanging method of wind power generating set provided by the invention and blade exchanging auxiliary system are described in detail.In each accompanying drawing, for identical or suitable part, mark identical label.
For ease of illustrating, be described for the direct-drive aerogenerator group being arranged on land below.Further, first carry out as given a definition to some nouns occurred herein at this: the blade so so-called blade to be replaced refers to, that is, its in same impeller other blades of varying in weight weight and need to be replaced.So-called working platform refers to working space when changing blade on ground or operation ship's deck, and when wind power generating set is arranged on land, working platform is the ground of tower cylinder periphery; When wind power generating set is arranged on sea, working platform is the deck of operation ship.So-called tower cylinder lower position refers to the position bottom tower cylinder, such as, can be above-mentioned working platform, also can be the position near bottom on tower cylinder.
Refer to Fig. 1, illustrated therein is the schematic flow sheet of the blade exchanging method of the wind power generating set that the present invention's specific embodiment provides.
Wherein, in step 110, blade to be replaced be in vertically position down time this blade is disassembled from the impeller be placed in high aerial pylon.Particularly, first the lifting rope of the winch being arranged in cabin or being arranged on the working platform of such as ground or operation ship's deck etc. is connected on the blade hanging beam at the blade root place being arranged on blade to be replaced, then by discharging the lifting rope of winch gradually and blade to be replaced being placed on ground gradually.
In the step 120, new blade be promoted to the wheel hub of the impeller be positioned on the pylon of high-altitude and install, thus completing the blade exchanging of this wind power generating set.Particularly, first the lifting rope of winch is connected on the blade hanging beam at the blade root place being arranged on new blade, and the position lifting cable of hoist is connected near blade tip on this new blade, then promoting this new blade gradually by reclaiming the lifting rope of winch, now colliding in order to avoid new blade and blower fan tower barrel produce and adopt hoist to assist the direction controlling this new blade.Along with the continuous lifting of this new blade, it is adjusted to vertical state gradually, to continue to promote in this new blade to wheel hub and to attach it in the blades installation hole on wheel hub, thus completing the blade exchanging process of this wind power generating set.
Refer to Fig. 2, illustrated therein is the schematic flow sheet of the blade exchanging method of the wind power generating set that another specific embodiment of the present invention provides.
Wherein, in step 210, make blade rotary to be replaced to vertical position down.Particularly, when certain blade to be lost moiety by weight or is lighter than other blades because of quality problems because being struck by lightning, namely this blade is confirmed as blade to be replaced, and this blade to be replaced can turn to vertically position upward under gravity naturally.But in actual applications, this blade to be replaced only be in vertically position down time be just easy to dismounting, therefore just need wheel rotor and make this blade to be replaced be in vertical position down.Usually can adopt in such a way by extremely vertical for this blade rotation to be replaced position down, namely, the hanger of generator is fixed a wire rope for auxiliary rotary blade (hereinafter referred to as rotation wire rope), and make rotation steel wire penetrating be arranged on the hoist static pulley of tower cylinder lower position, then utilize the hoist be arranged on working platform upwards to be promoted by rotation wire rope, thus complete the work of wheel rotation 180 degree and drive this blade to be replaced to turn to vertical position down by vertical position upward.In above process, be successfully wheel rotor, rotation wire rope must be made to remain in a plane; And go to vertically after upper/lower positions until this blade to be replaced, use rotor locking device to be fixed by generator amature, to change blade when impeller location is fixed.
In a step 220, blade to be replaced be in vertically position down time this blade is disassembled from the impeller be placed in the pylon of high-altitude.Particularly, first the lifting rope of the winch being arranged in cabin or be arranged on working platform is connected on the blade hanging beam at the blade root place being arranged on blade to be replaced, then by discharging the lifting rope of winch gradually and blade to be replaced being placed on ground gradually.
In step 230, new blade be promoted to the wheel hub of the wind power generating set impeller be positioned on the pylon of high-altitude and install, thus completing the blade exchanging of this wind power generating set.Particularly, first the lifting rope of winch is connected on the blade hanging beam at the blade root place being arranged on new blade, and the position lifting cable of hoist is connected near blade tip on this new blade, then by reclaiming the lifting rope of winch gradually and promoting this new blade gradually, now hoist and/or winch can be adopted to assist the direction controlling this new blade in order to avoid new blade and blower fan tower barrel produce to collide.Along with the continuous lifting of this new blade, it is adjusted to vertical state gradually, to continue to promote in this new blade to wheel hub and to attach it in the blades installation hole on wheel hub, thus completing the blade exchanging process of this wind power generating set.In fact, in the process promoting new blade, if there is no wind, then without the need to adopting hoist to assist the direction controlling this new blade.
It is to be noted, although the weight of the blade to be replaced described in previous embodiment is lighter than the weight of other blades, but be not limited thereto in actual applications, it also can be such as such situation, namely, the weight of blade to be replaced is greater than the weight of other blades, and now, blade to be replaced can turn to vertical position down and under gravity naturally without the need to artificially rotating to make it to be in position down.
Known by foregoing description, the blade exchanging method of the wind power generating set that the present embodiment provides, without the need to as prior art, whole impeller must be taken off from high-altitude pylon to change certain blade, and more whole impeller be relocated on high aerial pylon after completing replacing; But the replacing of blade is completed when impeller is placed on the pylon of high-altitude all the time, particularly, when blade to be replaced is in position down, it is disassembled from the impeller hub be placed in pylon, again new blade be promoted to wheel hub and be installed in the blades installation hole on wheel hub, thus completing the blade exchanging work of this wind power generating set when impeller is placed on pylon all the time.As can be seen here, the blade exchanging method of the wind power generating set adopting the present embodiment to provide, only need the equipment such as the winch that can carry individual blade, and the goliath of whole impeller of can slinging must be adopted in the prior art without the need to picture, therefore greatly can save the cost of blade exchanging; And, due to without the need to whole impeller being pulled down and complete blade exchanging on the working platform of such as ground or ship's deck etc., therefore, the blade exchanging method of wind power generating set that provides of the present embodiment when carrying out blade exchanging without the need to taking larger working space; Moreover, owing to not needing to be removed from the pylon that height is aerial by impeller and be installed to again on pylon by the new impeller after changing blade, therefore, without the need to spending the more activity duration as prior art when the blade exchanging method of wind power generating set adopting the present embodiment to provide changes blade, thus change efficiency relatively high.
In addition, the present invention also provides a kind of blade exchanging auxiliary system of wind power generating set, it blade hanging beam at blade root place (that is, root of blade) comprising winch and can be installed to blade.Wherein, when taking off blade to be replaced from the impeller be placed on pylon, namely, by blade to be replaced by when the impeller on the pylon of high-altitude being dismantled and is placed on working platform, blade hanging beam is arranged on the blade root place of blade to be replaced, the lifting rope of winch connects this blade hanging beam, and winch is by discharging its lifting rope gradually and being placed into gradually on working platform by blade to be replaced; When new blade being installed on the impeller be placed on pylon, blade hanging beam is arranged on the blade root place of new blade, the lifting rope of winch connects this blade hanging beam, and new blade is promoted to the position in the blades installation hole on the impeller hub of wind power generating set by new blade by winch gradually from working platform by reclaiming its lifting rope gradually, this new blade is installed in this blades installation hole, thus completes the replacing of blade and form new impeller.
In actual applications, winch can be arranged in the cabin of wind power generating set, also can be arranged on working platform.When it is arranged in cabin, the lifting rope of winch directly connects blade hanging beam; When on the working platform that it is arranged on such as ground or ship's deck etc., need for its configuration winch static pulley, this winch static pulley is arranged on cabin, the lifting rope of winch is connected to blade hanging beam through this static pulley, that is, the lifting rope of winch extends first from bottom to top, then changes its direction via static pulley and extends from top to bottom and be connected to blade hanging beam, so that by discharging or reclaiming and downward foliation sheet or upwards promote blade.
In actual applications, this blade exchanging auxiliary system can also comprise hoist.When blade to be replaced because of quality problems or because of to be struck by lightning etc. factor and be lighter than other blades time, this blade to be replaced can turn to vertical position upward under gravity naturally, now can by means of hoist by extremely vertical for blade rotary to be replaced position down, particularly, the hanger of generator is fixed rotation wire rope, hoist drives the wheel rotation 180 degree of wind power generating set by pulling this rotation wire rope, make blade to be replaced turn to vertical position down from vertical position upward.Further, when after blade rotation to be replaced to vertical position down, the rotor locking device that can carry by means of blower fan and by the locking position of rotor, to change blade when impeller location is fixed.
Certainly, when using hoist to carry out rotary blade in actual applications, can at tower cylinder lower position erection crane static pulley, the hanger of generator is fixed rotation wire rope, make rotation steel wire penetrating hoist static pulley and be connected to hoist, hoist upwards promotes this rotation wire rope and drives the wheel rotation 180 degree of wind power generating set, makes blade rotation to be replaced to vertical position down.Being appreciated that when adopting in this way, without the need to the hoist using armed lever long, thus further saving cost.
When blade exchanging auxiliary system comprises hoist, can assist by means of this hoist the direction controlling new blade when installing new blade, particularly, make the lifting cable of hoist be connected on new blade near the position of blade tip and be in the state of tensioning, the auxiliary direction controlling new blade is collided to avoid new blade and tower cylinder to produce by this.
The process adopting the blade exchanging auxiliary system of wind power generating set provided by the invention to carry out blade exchanging is described in detail for the direct-drive aerogenerator group being arranged on land below in conjunction with Fig. 3 to Fig. 8.
Particularly, Fig. 3 prepares rotary blade to make blade rotary to be replaced to schematic diagram during vertical position down; Fig. 4 is the schematic diagram of vane rotary 180 degree when making blade to be replaced be in vertical position down.See also Fig. 3 and Fig. 4, the hanger 3 of generator is fixed a rotation wire rope 6, make rotation wire rope 6 be passed on tower cylinder 9 the hoist static pulley 5 that arranges near ground and be connected to the armed lever end of hoist 4, then utilize hoist 4 upwards to be promoted by rotation wire rope 6, thus make impeller 2 rotate 180 degree to turn to vertically position down to drive this blade 1 to be replaced by vertical position upward.In above process, be successfully wheel rotor 2, rotation wire rope 6 must be made to remain in a plane; And go to vertically after upper/lower positions until this blade 1 to be replaced, use rotor locking device (not shown) to be fixed by generator amature, to change blade when impeller 2 position is fixed.
Fig. 5 is the schematic diagram of winch when transferring blade to be replaced.As shown in the figure, first the lifting rope 10 of the winch 7 be arranged in cabin is connected on the blade hanging beam at the blade root place of blade 1 to be replaced, then discharges the lifting rope 10 of winch 7 gradually to be placed into gradually on ground by blade 1 to be replaced.
Fig. 6 is by schematic diagram during winch preparation new blade of installation.As shown in the figure, the lifting rope 10 of winch 7 is connected on the blade hanging beam at the blade root place being arranged on new blade 8, collide in order to avoid new blade 8 and blower fan tower barrel 9 produce simultaneously, and the position lifting cable of hoist 4 is connected near blade tip on this new blade 8, to assist the direction controlling new blade 8 by hoist 4.
Fig. 7 is schematic diagram when promoting new blade by winch.As shown in the figure, be connected to the position of close blade tip on this new blade 8 on the blade hanging beam lifting rope 10 of winch 7 being connected to the blade root place being arranged on new blade 8 and by the lifting cable of hoist 4 after, reclaim its lifting rope 10 gradually by winch 7 and promote new blade 8 gradually.Along with the continuous lifting of this new blade 8, this new blade 8 is adjusted to vertical state gradually.
New blade to be mounted to schematic diagram when impeller hub forms new impeller by winch by Fig. 8.As shown in the figure, after this new blade 8 is in vertical state shown in Fig. 7, attaches it in the blades installation hole on wheel hub in the wheel hub continuing to promote this new blade 8 to impeller 2, thus complete the blade exchanging process of this wind power generating set.
Be understandable that, although previous embodiment is the direct-drive aerogenerator group that is arranged on land for example is described, but in actual applications, blade exchanging method and the blade exchanging auxiliary system of wind power generating set provided by the invention are not limited thereto, but are also applicable to install afloat double-fed type and hybrid wind power generating set.And, although previous embodiment is described for the impeller of three blades, but in actual applications, the blade exchanging method of wind power generating set provided by the invention and blade exchanging auxiliary system are also applicable to the impeller of other blade quantities, such as the impeller etc. of two blades.
Will also be appreciated that above mode of execution to be only used to principle of the present invention is described and the illustrative embodiments adopted, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (9)
1. a blade exchanging method for wind power generating set, is characterized in that comprising the steps:
100) on the hanger of generator, fix rotation wire rope, pull described rotation wire rope by hoist and drive blade rotation to be replaced to vertical position down;
110) blade to be replaced be in vertically position down time, this blade is disassembled from the impeller be placed in pylon;
120) new blade be promoted to the wheel hub of described impeller and install, thus completing the blade exchanging of this wind power generating set.
2. the blade exchanging method of wind power generating set as claimed in claim 1, it is characterized in that, in described step 100) in, the hanger of generator is fixed rotation wire rope, and make described rotation steel wire penetrating be arranged on the static pulley of tower cylinder lower position, then upwards promote described rotation wire rope by hoist and drive described blade rotation to be replaced to vertical position down.
3. the blade exchanging method of wind power generating set as claimed in claim 1 or 2, it is characterized in that, in described step 100) in, pull rotation wire rope to drive described blade rotation to be replaced in the process of vertical position down at hoist, rotation wire rope is remained in a plane.
4. the blade exchanging method of wind power generating set as claimed in claim 1 or 2, is characterized in that, in described step 100) in, when described blade to be replaced goes to vertically towards upper/lower positions, use rotor locking device to be fixed by generator amature.
5. the blade exchanging method of wind power generating set as claimed in claim 1, it is characterized in that, in described step 110) in, first the lifting rope of the winch being arranged in cabin or be arranged on working platform is connected on the blade hanging beam at the blade root place being arranged on blade to be replaced, then by discharging the lifting rope of winch gradually and described blade to be replaced being placed on working platform.
6. the blade exchanging method of wind power generating set as claimed in claim 1, it is characterized in that, in described step 120) in, first the lifting rope of winch is connected on the blade hanging beam at the blade root place being arranged on new blade, and the position lifting cable of hoist is connected near blade tip on described new blade, then by reclaim winch lifting rope and new blade is promoted to described impeller wheel hub in and the blades installation hole attached it on wheel hub, thus complete the installation of new blade.
7. the blade exchanging auxiliary system of a wind power generating set, it is characterized in that, comprise blade hanging beam and winch, when taking off blade to be replaced from the impeller be placed on pylon, described blade hanging beam is arranged on the blade root place of described blade to be replaced, the lifting rope of described winch connects described blade hanging beam, and described winch discharges its lifting rope gradually so that blade to be replaced is placed into working platform;
When new blade being installed on the impeller be placed on pylon, described blade hanging beam is arranged on the blade root place of described new blade, the lifting rope of described winch connects described blade hanging beam, and described winch reclaims its lifting rope gradually and described new blade is promoted to the blades installation hole place on described impeller hub from described working platform and is installed on this;
Also comprise hoist, the impeller rotating described wind power generating set with make described blade to be replaced be in vertically position down time, the hanger of generator is fixed rotation wire rope, and described hoist drives described blade rotation to be replaced to vertical position down by pulling described rotation wire rope.
8. the blade exchanging auxiliary system of wind power generating set as claimed in claim 7, it is characterized in that, described winch is arranged in the cabin of described wind power generating set.
9. the blade exchanging auxiliary system of wind power generating set as claimed in claim 7, it is characterized in that, described winch is arranged on working platform, and described blade exchanging auxiliary system also comprises the winch static pulley be arranged on cabin, the lifting rope of described winch is connected to described blade hanging beam through described static pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110399598.2A CN103133267B (en) | 2011-12-02 | 2011-12-02 | The blade exchanging method of wind power generating set and blade exchanging auxiliary system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110399598.2A CN103133267B (en) | 2011-12-02 | 2011-12-02 | The blade exchanging method of wind power generating set and blade exchanging auxiliary system |
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| Publication Number | Publication Date |
|---|---|
| CN103133267A CN103133267A (en) | 2013-06-05 |
| CN103133267B true CN103133267B (en) | 2015-11-25 |
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| CN201110399598.2A Active CN103133267B (en) | 2011-12-02 | 2011-12-02 | The blade exchanging method of wind power generating set and blade exchanging auxiliary system |
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| CN105673348B (en) * | 2016-01-28 | 2018-10-26 | 中交第三航务工程局有限公司宁波分公司 | The method for dismounting of Wind turbines |
| CN108058793A (en) * | 2017-12-08 | 2018-05-22 | 中船黄埔文冲船舶有限公司 | A kind of method of underwater quick-replaceable sounding instrument |
| CN108194285B (en) * | 2017-12-21 | 2024-06-25 | 中交三航（上海）新能源工程有限公司 | Offshore wind power impeller high-altitude dismounting method and gravity center adjustable tool for dismounting method thereof |
| CN108131257A (en) * | 2018-01-08 | 2018-06-08 | 大连理工大学 | A kind of integrative installation technology method of offshore wind turbine |
| CN112096575A (en) * | 2019-06-17 | 2020-12-18 | 新疆金风科技股份有限公司 | Blade hoisting auxiliary structure, system and hoisting method for wind driven generator |
| CN110687560A (en) * | 2019-10-12 | 2020-01-14 | 中国电建集团贵州工程有限公司 | Impeller combination rapid positioning method |
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