CN103008972A - Blade replacing and installing method of wind generating set - Google Patents
Blade replacing and installing method of wind generating set Download PDFInfo
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- CN103008972A CN103008972A CN2012105789005A CN201210578900A CN103008972A CN 103008972 A CN103008972 A CN 103008972A CN 2012105789005 A CN2012105789005 A CN 2012105789005A CN 201210578900 A CN201210578900 A CN 201210578900A CN 103008972 A CN103008972 A CN 103008972A
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000009434 installation Methods 0.000 claims abstract description 34
- 230000008859 change Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a blade replacing and installing method of a wind generating set. The blade mounting method of the wind generating set comprises the following steps: vertically upward or downward of a blade mounting position; hoisting the blades and adjusting the blades to be in a vertical state; and vertically installing the hoisted blade to the one blade installation position. The installation method provided by the invention is efficient, environment-friendly and cost-saving, and an impeller driving device is not required.
Description
Technical field
The present invention relates to the wind power generating set field, more particularly, relate to a kind of blade exchanging method and installation method of wind power generating set.
Background technology
Be prone to leaf destruction after the blade of traditional wind power generating set is struck by lightning, need this moment to change new blade to recover normal operation.The method that tradition is changed blade is the impeller integral demounting that bad blade will be arranged first, and impeller after being put into ground is extractd damaged blade, loads onto new blade, then impeller integral body is installed.
The reason of damaging owing to wind generator set blade is struck by lightning and leaf destruction occurred, thus blade damage after impeller can disequilibrium.Be affected by gravity, impeller can pick up poised state automatically, that is, impeller can become " people " word state usually, and broken blade vertically up.
Therefore, the replacing method of existing wind power generating set damaged blade is as follows:
Step 1: the supporting suspender belt of the suspension hook of crane is hung on the wind power generating set outer rotor hanger, so that the power that makes vane rotary to be provided.
Step 2: make vane rotary 180 degree by the crane lifting force, make broken blade vertically down, in this process hoist lifting hook and wind power generating set outer rotor hanger are broken away from, and be locked into just " Y " state, because the impeller of hanging belt blade need three blades be " Y " shape (be impeller vertically up direction blade can not be arranged) just make things convenient for hanging hook and suspender, if and rotate 60 degree or 120 degree can cause impeller and blade integral deviation of gravity center (because having broken blade), so can only the Rotate 180 degree.
Step 3: by crane with the impeller of damaged blade pluck from, and impeller put to ground.
Step 4: on ground the broken blade on the impeller is removed, and new blade is assembled, then impeller integral body is lifted, so far, blade exchanging is finished.
The method of this replacing blade promotes by crane and orders about vane rotary 180 degree, and this work progress operation is many, have a big risk, long construction period, cost height.In addition, the impeller demolition process construction risk of broken blade is large, difficulty of construction is large.And it is many that dismounting impeller process is scrapped spare part, and can bring the hidden failures source to the wind power generating set miscellaneous part.
In addition, when the impeller of traditional wind power generating set was installed, its conventional way was first wheel hub to be lifted to tower top, then with wheel hub locking be a blades installation position towards level, level lifts first blade and attaches it to the position afterwards.Then unclamp wheel hub and adjust its position, again with wheel hub locking be another blades installation position towards level, then lift and install second blade.Lift after the same method at last and install the 3rd blade, thereby form the assembly of three blades and wheel hub, thereby finish the installation of impeller.
In this impeller installation method, because the angle that in the individual blade hoisting process, needs to regulate impeller, so wind power generating set need to possess the vane rotary driving mechanism, and many, the long construction period of hoisting process construction procedure.
Therefore, be necessary to propose a kind of new blade exchanging and installation method effectively to overcome the above problems.
Summary of the invention
The object of the present invention is to provide the blade exchanging method of the simple wind power generating set of a kind of arrangement and method for construction.
Another object of the present invention is to provide the mounting method for blade of the wind power generating set that a kind of construction site reduces.
Another object of the present invention is to provide a kind of blade exchanging method and installation method of wind power generating set, and need not impeller driving device.
According to an aspect of the present invention, provide a kind of blade exchanging method of wind power generating set, comprise the steps: to make the blade that needs to change to keep vertically up; Unload the blade that needs replacing; Lift new blade and new blade is adjusted into vertical state; The new blade of lifting is in place vertically.
The mode that lifts new blade can lift for level.
Can utilize crane and suspender to carry out lifting and the adjustment of new blade.
The blade that needs to change is kept vertically up.
According to a further aspect in the invention, provide a kind of mounting method for blade of wind power generating set, comprise the steps: to make a blades installation position to keep vertically down; Hoisting blade also is adjusted into vertical state with blade; The blade of lifting is installed to a described blades installation position vertically; Continue to install two other blade.
A described blades installation position is kept vertically down.
Continuing to install two other blade can keep carrying out under the vertical state down at a blade of having installed.
Two other blade continue to be installed can carry out under the locked state of the wheel hub of impeller.
Can carry out the step that two other blade is installed in described continuation by the position that successively installation site of two other blade is adjusted to vertically down.
The mode of hoisting blade can be the level lifting.
Can utilize crane and suspender to carry out lifting and the adjustment of blade.
According to a further aspect in the invention, provide a kind of mounting method for blade of wind power generating set, comprise the steps: to make a blades installation position vertically or vertically down up; Hoisting blade also is adjusted into vertical state with blade; The blade of lifting is installed to a described blades installation position vertically.
The mode of hoisting blade can be the level lifting.
Can utilize crane and suspender to carry out the lifting of blade.
Described blades installation position is kept vertically up or vertically down.
Blades installation or replacing method are preferentially changed or are installed the blades installation position that is in vertical state under the natural balanced state of impeller according to an embodiment of the invention, not only technique is simple, and need not impeller driving device, greatly reduced construction cost.In addition, said method takes up an area little, and high-efficiency environment friendly is with a wide range of applications.
Description of drawings
By the description of carrying out below in conjunction with accompanying drawing, above and other purpose of the present invention and characteristics will become apparent, wherein:
Fig. 1 to Fig. 5 is the schematic diagram that illustrates according to the method for the damaged blade of the replacing wind power generating set of the first embodiment of the present invention.
Fig. 6 to Fig. 8 is the schematic diagram that the blade of installation wind power generating set according to a second embodiment of the present invention is shown.
The specific embodiment
Below, describe embodiments of the invention in detail with reference to accompanying drawing.
The below is with reference to the method for Fig. 1 to Fig. 5 description according to the damaged blade of the replacing wind power generating set of the first embodiment of the present invention.
When leaf destruction or when damaging, the quality of blade can change (that is, reducing).As shown in Figure 1, the impeller that is supported by the tower cylinder 40 of wind-driven generator is owing to be subjected to the impact of Gravity changer, and the blade 10 of usually fracture can be vertically up.In according to an embodiment of the invention replacing method, impeller need to be locked into " people " font or inverted Y-shaped state, namely, all the time (blade vertically up the meaning is the blade 10 that makes fracture vertically up, blade tip blade root vertically directly over, be blade tip up, blade root is down), then utilize crane 1 and suspender 2 with the fracture blade 10 disassemble.In this process, the certain pulling force of the essential maintenance of the suspension hook of crane 1, suspender should keep certain clamping force, with the blade landing that prevents from rupturing.
Then, as shown in Figure 2, the blade 10 of fracture is disassembled from wheel hub, so that blade 10 can break away from fully with wheel hub, then cooperate with suspender 2 by crane 1, the suspension hook of crane 1 is promoted, suitable place can be plucked from and be placed on to vertical broken blade 10 up.
Then, as shown in Figure 3 and Figure 4, utilize crane 1 and suspender 2, first new blade 11 levels are risen and winch to aerial correct position, then level is worked winching to aerial new blade 11 and be rotated 90 degree, the root that makes new blade 11 down and blade tip up, thereby new blade 11 is adjusted into vertical state.Wherein, can utilize many known modes such as two crane cooperations, special hanger, manpower are auxiliary to carry out the adjustment of Leaf orientation, be not described in detail at this.
At last, as shown in Figure 5, the new blade 11 that crane 1 will be in vertical state promotes, and its position of mounting hole that lifts to the wheel hub of the impeller of wind power generating set is assembled, and can finish the replacing of blade.
According to top aspect, not only reduced the blade exchanging construction procedure, and reduced the risk of blade exchanging process, and reduced therefrom the blade exchanging cost.In addition, owing to do not need to adjust the attitude of impeller, therefore need not impeller drive in the said method.
The below describes the mounting method for blade of wind power generating set according to a second embodiment of the present invention in detail with reference to Fig. 6 to Fig. 8.
As shown in Figure 6, lift at first separately wheel hub 50, and three blades installation locking positions on the wheel hub 50 are become positive Y shape shape.
Then, as shown in Figure 7, vertical blade (being so-called slipping tail blade) 110 down is assembled on the wheel hub 50, forms the new impeller of a blade 110 and wheel hub 50 assemblys.
The method of the mode of hoisting blade 110 and hoisting blade 11 is similar, mainly comprise the steps: to utilize crane 1 and suspender 2, first new blade 110 levels are risen and winch to aerial correct position, then level is risen winch to aerial new blade 110 be rotated 90 the degree, the root that makes new blade 110 up and blade tip down, thereby new blade 110 is adjusted into vertical state, wherein, can utilize many known modes such as two crane cooperations, special hanger, manpower are auxiliary to carry out the adjustment of Leaf orientation, be not described in detail at this.
Security consideration for construction technology; the blade parallel with tower cylinder 40 is installed first down at first can be reduced wind area and avoid the scene to blow causing impeller to rock the risk brought; next is the problem of having considered the impeller gravity balance; because fill first towards lower blade 110 relatively steadily reliable; and this moment, the stop pin of impeller hub did not need work, and rationed marketing is a kind of protection to impeller lock.
Then, keep the attitude of new impeller constant, again utilize crane 1 and suspender 2 that two other blade 120 and 130 is installed successively, thereby finish the installation of impeller, as shown in Figure 8.
Yet, the invention is not restricted to this, for blade 120 and 130, also can carry out successively according to the installation method of prior art level and install, be not described in detail at this.
By utilizing top mounting method for blade, have at least following advantage:
(1) reduces installation wind power generating set construction site usable floor area, reduced wind energy turbine set vegetation deterioration area, reduced owner's construction cost;
(2) solved can not single leaf blade hanging without the wind power generating set of vane rotary driving mechanism problem;
(3) reduce wind power generating set impeller installation procedure, raised labour efficiency reducing construction cost.
By top detailed description, can be clear that, blades installation or replacing method are preferentially changed or are installed the blades installation position that is in vertical state under the natural balanced state of impeller according to an embodiment of the invention, not only technique is simple, and need not impeller driving device, greatly reduced construction cost.In addition, said method takes up an area little, and high-efficiency environment friendly is with a wide range of applications.
Although illustrated in conjunction with the embodiments and described the present invention, it will be apparent to one skilled in the art that and in the situation that does not break away from the spirit and scope of the present invention that are defined by the claims, can make amendment and modification.
Claims (15)
1. the blade exchanging method of a wind power generating set comprises the steps:
The blade that needs to change is kept vertically up;
Unload the blade that needs replacing;
Lift new blade and new blade is adjusted into vertical state;
The new blade of lifting is in place vertically.
2. blade exchanging method as claimed in claim 1, wherein, the mode that lifts new blade is the level lifting.
3. blade exchanging method as claimed in claim 1 wherein, utilizes crane and suspender to carry out lifting and the adjustment of new blade.
4. blade exchanging method as claimed in claim 1, wherein, the wheel hub by locked impeller keeps vertically up the blade that needs to change.
5. the mounting method for blade of a wind power generating set comprises the steps:
Wheel hub is in place;
A blades installation position is kept vertically down;
Hoisting blade also is adjusted into vertical state with blade;
The blade of lifting is installed to a described blades installation position vertically;
Continue to install two other blade.
6. mounting method for blade as claimed in claim 5, wherein, the wheel hub by locked impeller keeps vertically down a described blades installation position.
7. mounting method for blade as claimed in claim 6 wherein, continues to install two other blade and keeps carrying out under the vertical state down at a blade of having installed.
8. mounting method for blade as claimed in claim 7 wherein, continues to install two other blade and carries out under the locked state of the wheel hub of impeller.
9. mounting method for blade as claimed in claim 5 wherein, is carried out the step that two other blade is installed in described continuation by the position that successively installation site of two other blade is adjusted to vertically down.
10. mounting method for blade as claimed in claim 5, wherein, the mode of hoisting blade is the level lifting.
11. mounting method for blade as claimed in claim 5 wherein, utilizes crane and suspender to carry out lifting and the adjustment of blade.
12. the mounting method for blade of a wind power generating set comprises the steps:
Make a blades installation position vertically or vertically down up;
Hoisting blade also is adjusted into vertical state with blade;
The blade of lifting is installed to a described blades installation position vertically.
13. mounting method for blade as claimed in claim 12, wherein, the mode of hoisting blade is the level lifting.
14. mounting method for blade as claimed in claim 12 wherein, utilizes crane and suspender to carry out the lifting of blade.
15. mounting method for blade as claimed in claim 12, wherein, the wheel hub by locked impeller keeps vertically up a described blades installation position or vertically down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105789005A CN103008972A (en) | 2012-12-27 | 2012-12-27 | Blade replacing and installing method of wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105789005A CN103008972A (en) | 2012-12-27 | 2012-12-27 | Blade replacing and installing method of wind generating set |
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| CN103008972A true CN103008972A (en) | 2013-04-03 |
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| CN2012105789005A Pending CN103008972A (en) | 2012-12-27 | 2012-12-27 | Blade replacing and installing method of wind generating set |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625562A (en) * | 2014-12-23 | 2015-05-20 | 新疆金风科技股份有限公司 | Method of correcting blade dislocation of wind generating set |
| CN104646918A (en) * | 2015-01-16 | 2015-05-27 | 南车株洲电力机车研究所有限公司 | Replacing method for blade of wind generating set |
| CN105883602A (en) * | 2016-06-24 | 2016-08-24 | 成都世唯科技有限公司 | Fan blade hanger support with clamp mechanism |
| CN107150946A (en) * | 2017-06-29 | 2017-09-12 | 湖北三江航天江河化工科技有限公司 | A kind of wing plate boom hoisting and its hanging method |
| CN111765049A (en) * | 2020-07-10 | 2020-10-13 | 大连理工大学 | Structure for replacing wind driven generator of reservoir or lake and using method thereof |
| CN114837895A (en) * | 2022-03-30 | 2022-08-02 | 国能思达科技有限公司 | Method for replacing variable-pitch bearing of wind generating set |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625562A (en) * | 2014-12-23 | 2015-05-20 | 新疆金风科技股份有限公司 | Method of correcting blade dislocation of wind generating set |
| CN104646918A (en) * | 2015-01-16 | 2015-05-27 | 南车株洲电力机车研究所有限公司 | Replacing method for blade of wind generating set |
| CN105883602A (en) * | 2016-06-24 | 2016-08-24 | 成都世唯科技有限公司 | Fan blade hanger support with clamp mechanism |
| CN105883602B (en) * | 2016-06-24 | 2017-07-14 | 成都世唯科技有限公司 | The fan blade suspender support of tape clamp mechanism |
| CN107150946A (en) * | 2017-06-29 | 2017-09-12 | 湖北三江航天江河化工科技有限公司 | A kind of wing plate boom hoisting and its hanging method |
| CN111765049A (en) * | 2020-07-10 | 2020-10-13 | 大连理工大学 | Structure for replacing wind driven generator of reservoir or lake and using method thereof |
| CN114837895A (en) * | 2022-03-30 | 2022-08-02 | 国能思达科技有限公司 | Method for replacing variable-pitch bearing of wind generating set |
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Application publication date: 20130403 |