CN205277687U - Wind generating set propeller pitch angle adjusting device and wind generating set - Google Patents
Wind generating set propeller pitch angle adjusting device and wind generating set Download PDFInfo
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- CN205277687U CN205277687U CN201521135240.9U CN201521135240U CN205277687U CN 205277687 U CN205277687 U CN 205277687U CN 201521135240 U CN201521135240 U CN 201521135240U CN 205277687 U CN205277687 U CN 205277687U
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- generating set
- wind power
- power generating
- setting device
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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 utility model provides a wind generating set propeller pitch angle adjusting device and wind generating set. Wind generating set propeller pitch angle adjusting device includes first flange, second flange and adjusts the connecting block, first flange with the coaxial setting of second flange, adjust the connecting block with first flange fixed connection still is provided with rotary regulating mechanism on adjusting connecting block and second flange, the second flange has relatively the fixed fastening state of first flange with receive rotary regulating mechanism drive and flange pivoted first relatively to adjust the state. The utility model discloses a wind generating set propeller pitch angle adjusting device of embodiment, the regulation that makes the propeller pitch angle convenient and fast that becomes has reduced down time and personnel's cost of unit. The field maintemance personnel can adjust the unit propeller pitch angle at any time and optimize power, guarantee to decide pitch unit performance optimality ability, can also ensure wind generating set's safety simultaneously.
Description
Technical field
The utility model relates to technical field of wind power generation, particularly relates to a kind of wind power generating set oar elongation setting device and wind power generating set.
Background technology
Blade and the wheel hub of determining oar distance wind power generating set (hereinafter referred to as " determining oar apart from unit ") are rigidly connected, and the oar elongation of blade is constant. The power determining oar distance unit affects relatively big by density of air, and super generating situation easily occurs in the winter unit bigger in density of air; The summer unit less in density of air easily occurs owing situation. Determining oar apart from the units' installation initial stage, producer generally simulates, by the year average air density of wind energy turbine set locality, the oar elongation degree that is compared compromise, and unit adopts this angle to run generating. But, this kind of method all can not Perfect Matchings to the generating efficiency (owing situation) of unit and unit safety (super generating situation). Part wind energy turbine set owner can carry out periodic adjustment according to seasonal variation and determine oar and be optimized by power apart from the blade pitch angle of unit.
Regulate for determining the oar elongation of oar apart from unit, require that blade is in specific operation position, hydraulic spanner or moment multiplier pine is used to fall blade and all bolts of wheel hub connection, the adjustment specific frock of oar elongation is adopted to regulate, being undertaken fastening by the bolt of blade and wheel hub again after having regulated, this kind is not only consuming time but also require great effort for the regulative mode of oar elongation, cannot make to determine oar and play optimal performance apart from unit, simultaneously owing to manual operation exists error, increase the dangerous risk determining oar apart from unit.
Practical novel content
Embodiment of the present utility model provides a kind of wind power generating set oar elongation setting device and wind power generating set, determines that oar regulates the problem wasted time and energy apart from oar elongation in unit to separate.
For achieving the above object, embodiment of the present utility model provides a kind of wind power generating set oar elongation setting device, comprise the first flange, the 2nd flange and regulate and connect block, described first flange and described 2nd flange coaxial are arranged, described adjustment connects block and is fixedly connected with described first flange, also being provided with rotation regulating mechanism on described adjustment connection block and described 2nd flange, described 2nd flange has the adjustment state and drive and rotated relative to described first flange relative to the tightening state that described first flange is fixing by described rotation regulating mechanism.
Further, it is four pieces that described adjustment connects block, and evenly arranges at interval along the circumference of described first flange.
Further, described adjustment connection block is provided with the overlap joint boss radially protruded, described 2nd flange is provided with and the flange that described overlap joint boss coordinates, described flange is between described overlap joint projection and described first flange, and is provided with the securing bolt holding out against described 2nd flange on described overlap joint boss.
Further, described securing bolt is also provided with retainer nut.
Further, the end of described securing bolt is provided with described locking cushion block, and described securing bolt is held out against on described 2nd flange by described locking cushion block.
Further, the flange of described 2nd flange is also arranged with loose liner, the first part of described loose liner is between described 2nd flange and described first flange, the second section of described loose liner is between described 2nd flange and described locking cushion block, and the Part III of described loose liner is connected between block with described adjustment in the side of described 2nd flange.
Further, the gear that described rotation regulating mechanism comprises the arc-shaped gear section being arranged on described 2nd flange inner ring surface and is arranged on rotationally on described adjustment connection block.
Further, described rotation regulating mechanism also comprises rotation adjusting bolt, and described gear is fixed on the shank of bolt of described rotation adjusting bolt, and can rotate with described rotation adjusting bolt.
Further, being provided with key, be provided with keyway on described gear on the shank of bolt of described rotation adjusting bolt, described gear is coordinated on the shank of bolt being fixed on described rotation adjusting bolt with described key by described keyway.
Further, described key and described keyway are two.
Further, described rotation adjusting bolt is provided with retainer nut.
The utility model embodiment still provides a kind of wind power generating set, comprise the wind power generating set oar elongation setting device described in above-mentioned any one, first flange of described wind power generating set oar elongation setting device is fixedly connected with the blade of wind power generating set, and the 2nd flange is fixedly connected with the wheel hub of described wind power generating set.
The wind power generating set oar elongation setting device of embodiment of the present utility model and wind power generating set; block is connected by increasing to regulate between the flange being connected with blade and wheel hub; oar elongation variable range is increased; and the adjustment making oar elongation becomes convenient and swift; more traditional oar elongation regulates; required man-hour and personnel can reduce half, decrease stop time and the personnel cost of unit. Unit oar elongation can be carried out adjustment to optimize power by field maintenance person at any time, ensures that determining oar plays optimal performance apart from unit, can also guarantee the safety of wind power generating set simultaneously.
Accompanying drawing explanation
Fig. 1 is wind power generating set oar elongation setting device structural representation disclosed in the utility model embodiment;
Fig. 2 is wind power generating set oar elongation setting device first flange upward view disclosed in the utility model embodiment;
Fig. 3 is wind power generating set oar elongation setting device first flange vertical view disclosed in the utility model embodiment;
Fig. 4 is wind power generating set oar elongation setting device the 2nd flange upward view disclosed in the utility model embodiment;
Fig. 5 is wind power generating set oar elongation setting device the 2nd flange vertical view disclosed in the utility model embodiment;
Fig. 6 is that wind power generating set oar elongation setting device polylith disclosed in the utility model embodiment regulates connection block upward view;
Fig. 7 is that wind power generating set oar elongation setting device polylith disclosed in the utility model embodiment regulates connection block vertical view;
Fig. 8 be in Fig. 1 wind power generating set oar elongation setting device A-A disclosed in the utility model embodiment to sectional view;
Fig. 9 be in Fig. 1 wind power generating set oar elongation setting device B-B disclosed in the utility model embodiment to sectional view.
Description of reference numerals:
1: the first flange, 11: the first bolts hole, 12: threaded hole, 13: the first flange flanges, 2: the two flanges, 21: arc-shaped gear section, 22: the two bolts hole, 23: the two flange flanges, 24: the two flange main bodys, 3: regulate and connect block, 31: rotation regulating mechanism, 310: rotate adjusting bolt, 311: retainer nut, 312: gear, 313: key, 314: keyway, 32: securing bolt, 321: retainer nut, 322: bolt hole, 33: locking cushion block, 34: loose liner, 35: high strength bolt, 351: the three bolts hole, 36: overlap joint boss.
Embodiment
Below in conjunction with accompanying drawing, the wind power generating set oar elongation setting device of the utility model embodiment is described in detail.
Wind power generating set oar elongation setting device disclosed in the utility model embodiment comprises the first flange 1, the 2nd flange 2 and regulates connection block 3, is connected with wheel hub by the blade determining oar distance unit apart from the transition apparatus between turbines vane and wheel hub as determining oar.
Wherein, the first flange 1 and the 2nd flange 2 are coaxially arranged, and regulate connection block 3 to be fixedly connected with the first flange 1, connect in adjustment and are also provided with rotation regulating mechanism 31 on block 3 and the 2nd flange 2. First flange 1 and the 2nd flange 2 are fixed and rotate the effect of adjustment by rotation regulating mechanism 31, make the 2nd flange 2 have relative to the fixing tightening state of the first flange 1 and drive by described rotation regulating mechanism 31 and the adjustment state rotated relative to the first flange 1 by rotation regulating mechanism 31. 2nd flange 2 is realized and the relatively rotating of the first flange 1 by rotation regulating mechanism 31, finally realizes relatively rotating between blade and wheel hub, reaches the object regulating oar elongation.
Specifically, as shown in Figures 1 to 5, the first flange 1 and the 2nd flange 2 are coaxially arranged, and the first bolt hole 11 of the first flange 1 is equal to axial line distance with the 2nd bolt hole 22 of the 2nd flange 2. First bolt hole 11 and the 2nd bolt hole 22 are through hole.
It is provided with the first flange flange 13 above first flange 1 outer rim, circumferentially evenly it is provided with multiple the first bolt hole 11, first flange 1 coordinated with bolt at the first flange flange 13 and is fixedly connected with the blade determining oar distance unit by bolt. On the first flange main body 14 lower surface, it is provided with multiple for being connected the threaded hole 12 that block 3 is fixedly connected with adjustment, threaded hole 12 is blind hole, its the 3rd threaded hole 351 (see Fig. 6) one_to_one corresponding being connected in block 3 with adjustment, and by high strength bolt 35 (see Fig. 8), the first flange 1 is connected block 3 with adjustment and is connected and fixed, in the present embodiment, threaded hole totally 25.
It is provided with above edge in 2nd flange 2 and regulates the 2nd flange flange 23 being connected block 3 and overlapping, the 2nd flange main body 24 is provided with multiple the 2nd bolt hole the 22, two flange 2 coordinated with bolt and is fixedly connected with wheel hub by bolt.
Certainly, in specific implementation process, can also being fixedly connected with the wheel hub determining oar distance unit by first flange 1, be fixedly connected with the blade determining oar distance unit by the 2nd flange 2, this kind of mode of connection can reach the technique effect conveniently oar elongation regulated equally.
In conjunction with consulting Fig. 6 and Fig. 7, implement mode as one, regulate and connect block 3 as connecting the first flange 1 and the middle parts of the 2nd flange 2, it can be an annulus, it is possible to be made up of polylith circular arc block independently. In the present embodiment, for easy for installation, and ensureing the stability of whole device, regulate connection block 3 to be set to four pieces, these four pieces regulate connection blocks 3 evenly to arrange to interval along the circumference of the first flange 1.
Specifically, connect even interval in block 3 main body in the adjustment not arranging rotation regulating mechanism 31 and 7 the 3rd bolts hole 351 are set, 3rd bolt hole 351 is through hole, and adjustment is connected the 3rd bolt hole 351 and the first flange 1 threaded hole 12 that high strength bolt 35 connects block 3 by regulating block 3 and the first flange 1 is fastenedly connected. The quantity connecting the 3rd bolt hole 351 in block 3 main body in the adjustment being provided with rotation regulating mechanism 31 is 4, is symmetricly set on rotation regulating mechanism 31 both sides.
Mode is implemented as one, as shown in Figure 8, connect in adjustment and block 3 is provided with the overlap joint boss 36 radially protruded, the flange (the 2nd flange flange 23) being provided with on 2nd flange 2 and overlap boss 36 and coordinate, flange is between described overlap joint boss 36 and the first flange 1, and is provided with, on overlap joint boss 36, the securing bolt 32 holding out against described 2nd flange 2.
In addition, can being provided with locking cushion block 33 in securing bolt 32 end, securing bolt 32 is held out against on the 2nd flange 2 by locking cushion block 33. On securing bolt 32, also it is provided with retainer nut 321.
More preferably, for prevent the first flange 1 and the 2nd flange 2, the 2nd flange 2 and regulate be connected between block 3 owing to frictional coefficient is excessive can not the generation of problem in relative rotation, the 2nd flange flange 23 is also arranged with loose liner 34. In the present embodiment, loose liner 34 can be divided into multiple part. The first part of loose liner 34 is between the 2nd flange 2 and the first flange 1, and second section is between the 2nd flange 2 and locking cushion block 33, and Part III is connected between block 3 with adjustment in the side of the 2nd flange 2. The setting of loose liner 34, reduces the frictional coefficient between each parts, contributes to the relative movement between each parts, simultaneously, it is also possible to play good rust protection effect between the components.
Example arrangement and setting for rotation regulating mechanism 31 is introduced below.
As shown in Fig. 1 and Fig. 9, rotation regulating mechanism 31 comprises the arc-shaped gear section 21 being arranged on the 2nd flange 2 inner ring surface and the rotating gear 312 being arranged on one piece of adjustment connection block 3.
Specifically, as shown in Figure 4 and Figure 5,2nd flange 2 inner ring surface is provided with the arc-shaped gear section 21 with internal tooth, arc-shaped gear section 21 can be arranged on the circumferentially whole of the 2nd flange 2 inner ring surface, can also be as shown in FIG., the part being only arranged on the 2nd flange 2 inner ring surface for saving cost, as long as the length ensureing arc-shaped gear section 21 can meet the regulation range of oar elongation.
The gear 312 being meshed with arc-shaped gear section 21 is arranged on one piece of adjustment and is connected on block 3. For this reason, rotation regulating mechanism 31 can also comprise rotation adjusting bolt 310, such as, can connect in adjustment and arrange rotation adjusting bolt 310 on block 3. Gear 312 is fixed on the shank of bolt rotating adjusting bolt 310, and can rotate with rotation adjusting bolt 310.
Preferably, rotation adjusting bolt 310 also can be provided with retainer nut 311, play locking, locking action the rotation rotating adjusting bolt 310 to be regulated.
On this basis, the shank of bolt rotating adjusting bolt 310 is provided with one or more key 313, gear 312 is provided with keyway 314, gear 312 coordinates on the shank of bolt being fixed on and rotating adjusting bolt 310 by keyway 314 with key 313, two keyways 314 can be provided with on gear 312 symmetrically, upper opposing keyways 314 position rotating adjusting bolt 310 is provided with two keys 313, key 313 and keyway 314 cooperatively interact, gear 312 is fixed on and rotates in adjusting bolt 310, gear 312 can be rotated with rotation adjusting bolt 310.
Introduce the working process of the oar elongation setting device of the utility model embodiment below.
When not needing to regulate oar elongation, after unscrewing the retainer nut 321 being arranged on securing bolt 32, to regulating the securing bolt 32 connected on block 3 to impose certain moment, it is fastening, again retainer nut 321 is tightened, snap-in force is applied on the 2nd flange flange 23 by locking cushion block 33 and loose liner 34 by securing bolt 32, to ensure that the 2nd flange 2 is static relative to adjustment connection block 3 and the first flange 1. Simultaneously, regulate the gear 312 connected on block 3 and rotate adjusting bolt 310 and also possess above fastening function, by the retainer nut 311 rotated in adjusting bolt 310, it is locked, the also corresponding locking of the gear 312 of setting coaxial to it, between gear 312 and the arc-shaped gear section 21 of the 2nd flange 2 inner ring, engagement realizes the geo-stationary that the 2nd flange 2 is connected between block 3 and the first flange 1 with adjustment.
When needs regulate oar elongation, release regulation connects securing bolt 32 moment on block 3, the rotation adjusting bolt 310 regulating and connecting on block 3 is rotated by moment spanner or moment multiplier, driven gear 312 rotates, meshing relation between gear 312 with the arc-shaped gear section 21 in the 2nd flange 2 inner ring can realize regulating and be connected between block 3 and the 2nd flange 2 to relatively rotate, owing to the first flange 1 is connected between block 3 to be fixedly connected with adjustment, therefore, regulate connection block 3 to drive relative 2nd flange 2 of the first flange 1 to relatively rotate, and then realize the adjustment of oar elongation.
The utility model embodiment still provides a kind of wind power generating set comprising above-mentioned oar elongation setting device. Wherein, the first flange 1 of described wind power generating set oar elongation setting device is fixedly connected with the blade of wind power generating set, and the 2nd flange 2 is fixedly connected with the wheel hub of described wind power generating set.
The wind power generating set oar elongation setting device of the oar elongation setting device of the utility model embodiment makes the oar elongation adjustment determining oar distance unit become convenient and swift; oar elongation can be carried out adjustment according to the air density change at scene and optimize power by field maintenance person at any time; play the optimal performance determining oar apart from unit, also guarantee the operating safety of unit simultaneously.
In the present embodiment, regulate oar elongation operation to simplify and decrease man-hour, regulate every time and only need to operate 17 bolts, wherein securing bolt 32 is 16, rotating adjusting bolt 310 is 1, regulate compared to tradition (different unit bolt quantity is different) about need to operating 40 bolts, save labor force greatly, simultaneously, 40 bolts of traditional operation are the joint bolt of wheel hub and blade, repeatable operation bolt can reduce the intensity of bolt, shorten the work-ing life of bolt, the danger that generation blade and wheel hub come off, this is also that traditional regulative mode can not one of the reason of oar elongation frequently regulating blade, the oar elongation regulative mode of the utility model embodiment does not relate to the operation of blade and the joint bolt of wheel hub, even if securing bolt 32 and rotation adjusting bolt 310 lost efficacy, blade also can not come off. in addition, adopting the oar elongation setting device of technical solutions of the utility model oar elongation to be regulated does not need to use Hydraulic Station, saves personnel and cost.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection domain of the present utility model. Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (12)
1. a wind power generating set oar elongation setting device, it is characterized in that, comprise the first flange (1), 2nd flange (2) and adjustment connect block (3), described first flange (1) and described 2nd flange (2) are coaxially arranged, described adjustment connects block (3) and is fixedly connected with described first flange (1), connect in described adjustment and block (3) and described 2nd flange (2) are also provided with rotation regulating mechanism (31), described 2nd flange (2) has relative to the fixing tightening state of described first flange (1) and drives by described rotation regulating mechanism (31) and the adjustment state rotated relative to described first flange (1).
2. wind power generating set oar elongation setting device according to claim 1, it is characterised in that, it is four pieces that described adjustment connects block (3), and evenly arranges at interval along the circumference of described first flange (1).
3. wind power generating set oar elongation setting device according to claim 1, it is characterized in that, described adjustment connection block (3) is provided with the overlap joint boss (36) radially protruded, described 2nd flange (2) is provided with and the flange that described overlap joint boss (36) coordinates, described flange is positioned between described overlap joint boss (36) and described first flange (1), and is provided with the securing bolt (32) holding out against described 2nd flange (2) on described overlap joint boss (36).
4. wind power generating set oar elongation setting device according to claim 3, it is characterised in that, described securing bolt (32) is also provided with retainer nut (321).
5. wind power generating set oar elongation setting device according to claim 3, it is characterized in that, the end of described securing bolt (32) is provided with locking cushion block (33), and described securing bolt (32) is held out against on described 2nd flange (2) by described locking cushion block (33).
6. wind power generating set oar elongation setting device according to claim 5, it is characterized in that, the flange of described 2nd flange (2) is also arranged with loose liner (34), the first part of described loose liner (34) is positioned between described 2nd flange (2) and described first flange (1), the second section of described loose liner (34) is positioned between described 2nd flange (2) and described locking cushion block (33), the side that the Part III of described loose liner (34) is positioned at described 2nd flange (2) is connected between block (3) with described adjustment.
7. wind power generating set oar elongation setting device according to any one of claim 1-6, it is characterized in that, the gear (312) that described rotation regulating mechanism (31) comprises the arc-shaped gear section (21) being arranged on described 2nd flange (2) inner ring surface and is arranged on rotationally on described adjustment connection block (3).
8. wind power generating set oar elongation setting device according to claim 7, it is characterized in that, described rotation regulating mechanism (31) also comprises rotation adjusting bolt (310), described gear (312) is fixed on the shank of bolt of described rotation adjusting bolt (310), and can rotate with described rotation adjusting bolt (310).
9. wind power generating set oar elongation setting device according to claim 8, it is characterized in that, the shank of bolt of described rotation adjusting bolt (310) is provided with key (313), being provided with keyway (314) on described gear (312), described gear (312) is coordinated on the shank of bolt being fixed on described rotation adjusting bolt (310) with described key (313) by described keyway (314).
10. wind power generating set oar elongation setting device according to claim 9, it is characterised in that, described key (313) and described keyway (314) are two.
11. a kind of wind power generating set oar elongation setting devices according to claim 8, it is characterised in that, described rotation adjusting bolt (310) is provided with retainer nut (311).
12. 1 kinds of wind power generating set, it is characterized in that, comprise the wind power generating set oar elongation setting device according to any one of claim 1-11, first flange (1) of described wind power generating set oar elongation setting device is fixedly connected with the blade of wind power generating set, and the 2nd flange (2) is fixedly connected with the wheel hub of described wind power generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135240.9U CN205277687U (en) | 2015-12-31 | 2015-12-31 | Wind generating set propeller pitch angle adjusting device and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521135240.9U CN205277687U (en) | 2015-12-31 | 2015-12-31 | Wind generating set propeller pitch angle adjusting device and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277687U true CN205277687U (en) | 2016-06-01 |
Family
ID=56062268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521135240.9U Active CN205277687U (en) | 2015-12-31 | 2015-12-31 | Wind generating set propeller pitch angle adjusting device and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277687U (en) |
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2015
- 2015-12-31 CN CN201521135240.9U patent/CN205277687U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |