CN105649894B - A kind of adjusting zero method and device of wind power generation unit blade - Google Patents
A kind of adjusting zero method and device of wind power generation unit blade Download PDFInfo
- Publication number
- CN105649894B CN105649894B CN201510969429.6A CN201510969429A CN105649894B CN 105649894 B CN105649894 B CN 105649894B CN 201510969429 A CN201510969429 A CN 201510969429A CN 105649894 B CN105649894 B CN 105649894B
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- zero degree
- blade
- indicator scale
- wheel hub
- physics
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- 238000010248 power generation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- 210000003734 kidney Anatomy 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a kind of adjusting zero methods of wind power generation unit blade, zero degree tag line is set at the zero degree position of the blade, an and vertically-mounted indicator scale at the physics zero degree position of the wheel hub, the side of the indicator scale is located on the physics zero degree datum level of wheel hub, it is adjusted the indication end for making the tag line of the zero degree on blade be directed at the indicator scale to the blade, completes the zeroing of blade.The invention also discloses a kind of balancing controls of wind power generation unit blade, zero degree tag line including indicator scale and at the blade zero degree position, one end of the indicator scale is fastened at the physics zero degree position of the wheel hub and indicator scale is located on the physics zero degree datum level of the wheel hub, and the other end of the indicator scale is equipped with the indication end for being used to indicate blade zero degree position.Adjusting zero method and balancing controls of the invention all has the advantages that easy to operate, zero setting accuracy is high.
Description
Technical field
The invention mainly relates to technical field of wind power generation, refer in particular to the adjusting zero method and device of a kind of wind power generation unit blade.
Background technique
0 degree of position of blade directly influences wind turbine with whether 0 degree of position of physics on wheel hub is aligned in wind power generating set
The generated energy of group, according to calculating and testing, when 1 degree of deviation between the 0 degree of position in 0 degree of position of blade and wheel hub, the loss of complete machine generated energy is connect
Nearly 2%, at 2 degree of deviation, generated energy loss is close to 5%, and at 3 degree of deviation, generated energy loss is close to 10%, at 4.5 degree of deviation, power generation
Amount loss is close to 20%, that is to say, that with the increase of deviation degree, the loss of complete machine generated energy is in the growth of geometric ways.Separately
Outside, due to being equipped with 3 blades on wind wheel, and wind wheel is also constantly in rotation status, 0 degree position of each blade and 0 degree of position of wheel hub it
Between deviation difference also result in the dynamic unbalance of entire wind wheel, and then lead to the appearance of unbalance loading situation, influence complete machine
Stress.Therefore, how to guarantee 0 degree of position of blade and 0 degree of position of wheel hub it is more accurate be overlapped (i.e. blade zeroing) on one wire just
Seem most important and urgent.There is no return to zero to fan blade for many producers at present, it may be possible to which they anticipate not yet
Know the importance of blade zeroing.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one
The adjusting zero method for the wind power generation unit blade that kind is easy to operate, Adjustment precision is high, and a kind of simple wind turbine of structure is accordingly provided
The balancing controls of group blade.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of adjusting zero method of wind power generation unit blade, the setting zero degree tag line at the zero degree position of the blade, and
A vertically-mounted indicator scale at the physics zero degree position of the wheel hub, the side of the indicator scale are located at the physics zero of wheel hub
It spends on datum level, the indication end for making the tag line of the zero degree on blade be directed at the indicator scale is adjusted to the blade, it is complete
At the zeroing of blade.
As a further improvement of the above technical scheme:
One boss is set at the physics zero degree position of the wheel hub, and the side of the boss is located at the physics zero degree of wheel hub
On datum level, the indicator scale is installed on the side that boss is located on the physics zero degree datum level of wheel hub.
The side that the boss is located on the physics zero degree datum level of wheel hub is provided with screw hole, is arranged on the indicator scale
There is kidney slot, the indicator scale is mounted on the boss by fastening bolt.
The invention also discloses a kind of balancing controls of wind power generation unit blade, including indicator scale and it is located at the blade
Zero degree tag line at zero degree position, one end of the indicator scale is fastened at the physics zero degree position of the wheel hub and instruction
Scale is located on the physics zero degree datum level of the wheel hub, and the other end of the indicator scale, which is equipped with, is used to indicate blade zero degree position
The indication end set.
As a further improvement of the above technical scheme:
The indicator scale is installed at the physics zero degree position of the wheel hub by a boss, the boss installation instruction
The side of scale is located on the physics zero degree datum level of wheel hub.
The side of the boss installation indicator scale is provided with screw hole, and fastening bolt, the finger are provided in the screw hole
Kidney slot is provided on indicating ruler, the fastening bolt passes through the kidney slot and is spirally connected with the screw hole.
Compared with the prior art, the advantages of the present invention are as follows:
1, wind power generation unit blade adjusting zero method of the invention, by the way that zero degree tag line is arranged at the zero degree position of blade,
And a vertically-mounted indicator scale at the physics zero degree position of wheel hub, thus when carrying out blade zeroing work, as long as by leaf
The zero degree tag line of piece is adjusted to corresponding with the indication end of indicator scale, it is ensured that the zero degree position of blade and wheel hub zero degree
Position consistency, operating process is simple and Adjustment precision is high, to guarantee the operation of blower efficient stable.
2, wind power generation unit blade balancing controls of the invention not only have the advantages that described in method as above, but also structure letter
List is easily achieved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of adjustment device of the invention in specific application.
Fig. 2 is the structural schematic diagram of boss in the present invention.
Fig. 3 is the structural schematic diagram of indicator scale in the present invention.
Figure label indicates: 1, blade；11, zero degree tag line；2, wheel hub；3, boss；31, screw hole；32, fastening bolt；
4, indicator scale；41, indication end；42, kidney slot.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1 to Figure 3, the adjusting zero method of the wind power generation unit blade of the present embodiment is set at the zero degree position of blade 1
Zero setting degree tag line 11, and a vertically-mounted indicator scale 4 at the physics zero degree position of wheel hub 2, the side position of indicator scale 4
The zero degree tag line 11 on blade 1 is set to be directed at indicator scale 4 in being adjusted on the physics zero degree datum level of wheel hub 2 to blade 1
Indication end 41, complete the zeroing of blade 1, operating process is simple and Adjustment precision is high, to guarantee that blower can be efficiently steady
Fixed operation.
In the present embodiment, a boss 3 is set at the physics zero degree position of wheel hub 2, and the side of boss 3 is located at wheel hub 2
On physics zero degree datum level, indicator scale 4 is installed on the side that boss 3 is located on the physics zero degree datum level of wheel hub 2, convexity
The side that platform 3 is located on the physics zero degree datum level of wheel hub 2 is provided with screw hole 31, and kidney slot 42 is provided on indicator scale 4, is referred to
Indicating ruler 4 is mounted on boss 3 by fastening bolt 32, by the setting of kidney slot 42, thus convenient to indication end 41 and zero
Relative distance between degree tag line 11 is adjusted.
The invention also discloses a kind of balancing controls of wind power generation unit blade, including indicator scale 4 and it is located at blade 1 zero
The zero degree tag line 11 at position is spent, one end of indicator scale 4 is fastened at the physics zero degree position of wheel hub 2 and indicator scale 4
On the physics zero degree datum level of wheel hub 2, the other end of indicator scale 4 is equipped with the instruction for being used to indicate 1 zero degree position of blade
End 41, structure is simple, is easily achieved.
In the present embodiment, indicator scale 4 is installed at the physics zero degree position of wheel hub 2 by a boss 3, and boss 3 is installed
The side of indicator scale 4 is located on the physics zero degree datum level of wheel hub 2, and the side that wherein boss 3 installs indicator scale 4 is provided with
Screw hole 31 is provided with fastening bolt 32 in screw hole 31, and kidney slot 42 is provided on indicator scale 4, and fastening bolt 32 passes through kidney-shaped
Hole 42 is spirally connected with screw hole 31, and wherein the distance between the indication end 41 of indicator scale 4 and zero degree tag line 11 can adjust in real time,
The wherein L-shaped shape of indicator scale 4, wherein 41 triangular shape of indication end.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention
Range.
Claims (2)
1. a kind of adjusting zero method of wind power generation unit blade, which is characterized in that zero degree is arranged at the zero degree position of the blade (1)
Tag line (11), and a vertically-mounted indicator scale (4) at the physics zero degree position of wheel hub (2), the indicator scale (4)
Side is located on the physics zero degree datum level of wheel hub (2), and being adjusted to the blade (1) identifies the zero degree on blade (1)
Line (11) is directed at the indication end (41) of the indicator scale (4), completes the zeroing of blade (1)；In the physics zero of the wheel hub (2)
It spends at position and a boss (3) is set, the side of the boss (3) is located on the physics zero degree datum level of wheel hub (2), the instruction
Scale (4) is installed on the side that boss (3) is located on the physics zero degree datum level of wheel hub (2)；
The boss (3) is located at the side on the physics zero degree datum level of wheel hub (2) and is provided with screw hole (31), the indicator scale
(4) it is provided on kidney slot (42), the indicator scale (4) is mounted on the boss (3) by fastening bolt (32).
2. a kind of balancing controls of wind power generation unit blade, which is characterized in that including indicator scale (4) and be located at the blade
(1) one end of the zero degree tag line (11) at zero degree position, the indicator scale (4) is fastened on the physics zero degree position of wheel hub (2)
It sets place and indicator scale (4) is located on the physics zero degree datum level of the wheel hub (2), the other end of the indicator scale (4) is set
There is the indication end (41) for being used to indicate blade (1) zero degree position；The indicator scale (4) is installed on described by a boss (3)
At the physics zero degree position of wheel hub (2), the side of boss (3) installation indicator scale (4) is located at the physics zero degree of wheel hub (2)
On datum level；The side of boss (3) installation indicator scale (4) is provided with screw hole (31), is provided in the screw hole (31)
Fastening bolt (32) is provided with kidney slot (42) on the indicator scale (4), and the fastening bolt (32) passes through the kidney slot
(42) it is spirally connected with the screw hole (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969429.6A CN105649894B (en) | 2015-12-22 | 2015-12-22 | A kind of adjusting zero method and device of wind power generation unit blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969429.6A CN105649894B (en) | 2015-12-22 | 2015-12-22 | A kind of adjusting zero method and device of wind power generation unit blade |
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| Publication Number | Publication Date |
|---|---|
| CN105649894A CN105649894A (en) | 2016-06-08 |
| CN105649894B true CN105649894B (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510969429.6A Active CN105649894B (en) | 2015-12-22 | 2015-12-22 | A kind of adjusting zero method and device of wind power generation unit blade |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128068B (en) * | 2020-08-10 | 2022-08-05 | 国家能源集团新能源有限责任公司 | Zero setting tool for wind power blade |
| CN114000984B (en) * | 2021-11-30 | 2025-01-24 | 中国华能集团清洁能源技术研究院有限公司 | A wind turbine blade zeroing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203770030U (en) * | 2013-12-17 | 2014-08-13 | 龙源（北京）风电工程技术有限公司 | Wind generating set, wind-direction sensor used in wind generating set and zero correction device used in wind generating set |
| CN204269017U (en) * | 2014-12-15 | 2015-04-15 | 中船重工(重庆)海装风电设备有限公司 | Blade zero calibration tooling for large double-fed wind turbines |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2983923B1 (en) * | 2011-12-07 | 2014-04-18 | Pascal Jean Cuzenard | DEVICE AND METHOD FOR PROTECTING A WIND TURBINE IN CASE OF EVENT OF SEVERE WINDS AND A WIND TURBINE PROVIDED WITH SUCH A DEVICE |
| CN104612910A (en) * | 2015-01-23 | 2015-05-13 | 北京天源科创风电技术有限责任公司 | Assembly method for hub and vanes in wind turbine generator |
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2015
- 2015-12-22 CN CN201510969429.6A patent/CN105649894B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203770030U (en) * | 2013-12-17 | 2014-08-13 | 龙源（北京）风电工程技术有限公司 | Wind generating set, wind-direction sensor used in wind generating set and zero correction device used in wind generating set |
| CN204269017U (en) * | 2014-12-15 | 2015-04-15 | 中船重工(重庆)海装风电设备有限公司 | Blade zero calibration tooling for large double-fed wind turbines |
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| Publication number | Publication date |
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| CN105649894A (en) | 2016-06-08 |
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