CN204511788U - Become layout and the wind power generating set of oar cabinet - Google Patents
Become layout and the wind power generating set of oar cabinet Download PDFInfo
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- CN204511788U CN204511788U CN201520205519.3U CN201520205519U CN204511788U CN 204511788 U CN204511788 U CN 204511788U CN 201520205519 U CN201520205519 U CN 201520205519U CN 204511788 U CN204511788 U CN 204511788U
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- change oar
- cabinet
- oar cabinet
- oar
- wheel hub
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- 230000008859 change Effects 0.000 claims abstract description 98
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 230000009467 reduction 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 utility model provides a kind of layout and the wind power generating set that become oar cabinet.The layout of the change oar cabinet that the utility model provides, it comprises multiple change oar cabinet, described multiple change oar cabinet is fixed on and becomes on oar cabinet supporting frame, described multiple change oar cabinet and described change oar cabinet supporting frame are all positioned at air guide sleeve and are positioned at the front of wheel hub, manhole is provided with in the front end of described wheel hub, described wheel hub is fixed with multiple change oar drive unit, described change oar drive unit comprises change oar support, multiple described change oar support to be fixed on described wheel hub and to be distributed in the periphery of described manhole, and described change oar cabinet supporting frame is fixed on multiple described change oar support.The layout of the change oar cabinet that the utility model provides becomes the centrifugal force of oar cabinet, is easy to realize the installation and maintenance of change oar cabinet when can reduce blower fan running.
Description
Technical field
The utility model relates to change oar cabinet, particularly relates to the layout and wind power generating set that become oar cabinet.
Background technique
The blade of wind power generating set is generally connected on wheel hub by pitch variable bearings, and when wind power generating set is run, the propeller pitch angle of each blade needs to adjust, and the process of the propeller pitch angle of adjustment blade is called as " change oar ".Oar process is become in order to perform, need corresponding change oar drive unit, as shown in Figure 1, it is the schematic diagram of the layout of existing change oar drive unit, and existing change oar drive unit 1 generally comprises and becomes oar support 11, and change oar support 11 is provided with pitch motor 12, become the periphery of the fixing manhole 21 on the hub 2 that also distributes on the hub 2 of oar support 11, manhole 21 is arranged on the front end of wheel hub 2, and pitch motor 12 is rotated by toothed belt band moving vane 3, thus carries out change oar to blade 3.These become oar drive unit 1 needs to be controlled by variable blade control system, existing variable blade control system generally comprises three change oar cabinets, each change oar cabinet is respectively used to control each change oar drive unit 1, as shown in Figure 2, it is the schematic front view of the layout of existing change oar cabinet, existing change oar cabinet 4 is generally arranged on the joint of blade 3 and wheel hub 2, it is fixedly connected with on the hub 2 by corresponding support and stretches in blade 3 through pitch variable bearings, distance between the rotation axis of its center of gravity and wheel hub 2 is R, these three change oar cabinets 4 are evenly distributed (120 ° of angles of being separated by successively) around the rotation axis of wheel hub 2.As shown in Figure 3, it is the partial schematic sectional view of the layout of some existing change oar cabinet, become except oar cabinet 4 except being equipped with, the variable blade control system of some wind power generating set is also equipped with three back-up power cabinets 5, these three back-up power cabinets 5 and three the same joints being also arranged on blade 3 and wheel hub 2 of change oar cabinet 4.
State in realization in the process of technological scheme, inventor finds that in prior art, at least there are the following problems:
Distant due to what become between the center of gravity of oar cabinet 4 and the rotation axis of wheel hub 2, therefore become the centrifugal force that oar cabinet 4 causes comparatively large, when blower fan operate, the support of each change oar cabinet needs to bear larger centripetal force, and the support of change oar cabinet easily ruptures.Meanwhile, due to blade 3 and the joint narrow space of wheel hub 2, install, safeguard and more transformation oar cabinet 4 all more complicated and difficulties, come in and go out inconvenience, daylighting is poor herein, becomes oar cabinet 4 and stretches in blade 3, therefore become oar cabinet door to open in blade 3, very inconvenient.
Model utility content
The utility model object is to provide a kind of reduction to become the centrifugal force of oar cabinet when blower fan operates, be easy to the layout of the change oar cabinet realizing the installation and maintenance becoming oar cabinet, and correspondingly provides a kind of wind power generating set.
To achieve these goals, the utility model provides a kind of layout becoming oar cabinet, it comprises multiple change oar cabinet, described multiple change oar cabinet is fixed on and becomes on oar cabinet supporting frame, described multiple change oar cabinet and described change oar cabinet supporting frame are all positioned at air guide sleeve and are positioned at the front of wheel hub, manhole is provided with in the front end of described wheel hub, described wheel hub is fixed with multiple change oar drive unit, described change oar drive unit comprises change oar support, multiple described change oar support to be fixed on described wheel hub and to be distributed in the periphery of described manhole, described change oar cabinet supporting frame is fixed on multiple described change oar support.
Preferably, wherein can be provided with on the inwall of described air guide sleeve and mark time.
Preferably, wherein can be fixedly connected with multiple back-up power cabinet on described wheel hub, described wheel hub is connected with multiple blade, described multiple back-up power cabinet lays respectively in described multiple blade.
Preferably, the number of wherein said change oar cabinet can be three, and the number of described change oar support can be three.
The utility model additionally provides a kind of wind power generating set, and it comprises the layout of arbitrary above-mentioned change oar cabinet.
The main beneficial effect of the layout of the above-mentioned change oar cabinet that the utility model provides is, it utilizes the change oar support becoming oar drive unit, by becoming, oar cabinet is arranged in air guide sleeve, the front of wheel hub, the distance between the center of gravity of change oar cabinet and the rotation axis of wheel hub can be made to reduce by half, thus reduce the centrifugal force becoming oar cabinet, reduce the design cost of the link becoming oar cabinet, stressing conditions is better.In addition, it is larger that operating space in blade is compared in the operating space in air guide sleeve, is therefore also more convenient for becoming the installation of oar cabinet, maintenance and replacing.
The above-mentioned wind power generating set that the utility model provides can accept the advantage of the layout of above-mentioned change oar cabinet.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the layout of existing change oar drive unit;
Fig. 2 is the schematic front view of the layout of existing change oar cabinet;
Fig. 3 is the partial schematic sectional view of the layout of some existing change oar cabinet;
Fig. 4 is the schematic front view of the layout of the change oar cabinet of the utility model embodiment;
Fig. 5 is that schematic diagram is looked on the right side of the layout of the change oar cabinet of the utility model embodiment.
Drawing reference numeral illustrates:
1-becomes oar drive unit; 11-becomes oar support; 12-pitch motor; 2-wheel hub; 21-manhole; 3-blade; 4-becomes oar cabinet; 5-back-up power cabinet; 6-becomes oar cabinet supporting frame; 7-air guide sleeve; 71-marks time.
Embodiment
Below in conjunction with accompanying drawing, the layout of the change oar cabinet of the utility model embodiment and wind power generating set are described in detail.
The layout of the change oar cabinet of the utility model embodiment utilizes and becomes this structure of oar drive unit 1 as shown in Figure 1, change oar cabinet 4 is arranged in the front of wheel hub 2, instead of the joint of blade 3 and wheel hub 2.As shown in Figure 4 and Figure 5, it is respectively the schematic front view of the layout of the change oar cabinet of the utility model embodiment and schematic diagram is looked on the right side, the layout of the change oar cabinet of the present embodiment comprises multiple change oar cabinet 4, multiple change oar cabinet 4 is fixed on and becomes on oar cabinet supporting frame 6, multiple change oar cabinet 4 and change oar cabinet supporting frame 6 are all positioned at air guide sleeve 7 and are positioned at the front of wheel hub 2, manhole 21 (see Fig. 1) is provided with in the front end of wheel hub 2, be fixed with multiple change oar drive unit 1 (see Fig. 1) on the hub 2, become oar drive unit 1 and comprise change oar support 11, multiple change oar support 11 is fixed on the hub 2 and is distributed in the periphery of manhole 21, become oar cabinet supporting frame 6 to be fixed on multiple change oar support 11 (see Fig. 5).
The present embodiment becomes the position of oar cabinet 4 by adjustment, by becoming, oar cabinet 4 is arranged in air guide sleeve 7, the front of wheel hub 2, multiple change oar cabinet 4 is concentrated to be fixed on and is become on oar cabinet supporting frame 6, becoming oar cabinet supporting frame 6 utilizes the change oar support 11 become in oar drive unit 1 to be fixed, the centrifugal force that oar cabinet 4 causes is become when can reduce wheel rotation, and the installation being easy to realize becoming oar cabinet 4, maintenance and replacing.This be due to, the distance become between oar support 11 and the rotation axis of wheel hub 2 is less than the distance between the rotation axis of blade 3 and wheel hub 2, after the layout adopting the present embodiment, the distance r become between the center of gravity of oar cabinet 4 and the rotation axis of wheel hub 2 only has the about half (i.e. r ≈ R/2) of R in Fig. 2, the radius moved in a circle due to centrifugal force and object is directly proportional, therefore the layout of the present embodiment is compared existing layout the centrifugal force of change oar cabinet 4 can be made to reduce by half, the stressing conditions of existing change oar cabinet 4 can be changed, the power of original half only need be born for connecting the parts becoming oar cabinet 4, stressed little, structural stability.The present embodiment has been used change oar support 11 and has been arranged change oar cabinet 4, also can play the effect reduced costs, because thus eliminating the parts such as original change oar tank bracket, elastic caoutchouc support, and can simplified design.
Specifically install, safeguard or more transformation oar cabinet 4 time, operator can through manhole 21 in wheel hub 2, enter in air guide sleeve 7, in the outside of wheel hub 2, the inside of air guide sleeve 7 installs change oar cabinet 4, safeguard or changes, the space that space is herein compared in blade 3 is larger, is also convenient to become opening of oar cabinet door.
See Fig. 4, preferably, before, said multiple change oar cabinet 4 can be uniformly distributed around the rotation axis of wheel hub 2.
In the present embodiment, operate for the ease of operator in air guide sleeve 7, the inwall of air guide sleeve 7 is provided with and marks time 71, such operator may stand in 71 enterprising line operates of marking time when operating, and foot is not easy to skid.
The present embodiment has rearranged the position becoming oar cabinet 4, but some is equipped with to the wind power generating set of back-up power cabinet 5, its back-up power cabinet 5 also still can be arranged in the joint of blade 3 and wheel hub 2, namely multiple back-up power cabinet 5 (can see Fig. 3) can be fixedly connected with on the hub 2, be connected with multiple blade 3 on the hub 2, multiple back-up power cabinet 5 lays respectively in multiple blade 3.
The present embodiment is specially the three-vane wind power generating set of main flow, and therefore, the number of the change oar cabinet 4 in the present embodiment is three, and the number becoming oar support 11 is three.Easily expect, for the wind power generating set only having two blades 3, the number becoming oar cabinet 4 can be two, and the number becoming oar support 11 can be two.For the wind power generating set with more multiple-blade number, the like.
In sum, the technique scheme that the utility model provides at least possesses following characteristics:
1, the change oar support 11 on change oar drive unit 1 is utilized to rearrange the position becoming oar cabinet 4, multiple change oar cabinet 4 is concentrated on and becomes on oar cabinet supporting frame 6, the turning radius becoming oar cabinet 4 can be reduced, reduce its centrifugal force, can reduce the design cost of the link becoming oar cabinet 4, stressing conditions is better, substantially realizes non-maintaining, life of product is longer, practical.
2, change oar cabinet 4 is arranged in air guide sleeve 7, the operating space that operation maintenance personnel is larger can be provided, operator are freed from narrow and small operating space, be convenient to become oar cabinet door open, also change oar cabinet 4 is made more easily to install, arrange and safeguard, the labor intensity of operator can be reduced, improve operator's operating environment, alleviate assembling and maintenance workload.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be 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 (5)
1. one kind becomes the layout of oar cabinet, it is characterized in that, comprise multiple change oar cabinet (4), described multiple change oar cabinet (4) is fixed on and becomes on oar cabinet supporting frame (6), described multiple change oar cabinet (4) and described change oar cabinet supporting frame (6) are all positioned at air guide sleeve (7) and are positioned at the front of wheel hub (2), manhole (21) is provided with in the front end of described wheel hub (2), described wheel hub (2) is fixed with multiple change oar drive unit (1), described change oar drive unit (1) comprises change oar support (11), multiple described change oar support (11) is fixed on described wheel hub (2) and goes up and be distributed in the periphery of described manhole (21), described change oar cabinet supporting frame (6) is fixed on multiple described change oar support (11).
2. the layout of change oar cabinet according to claim 1, is characterized in that, the inwall of described air guide sleeve (7) is provided with mark time (71).
3. the layout of change oar cabinet according to claim 1, it is characterized in that, described wheel hub (2) is fixedly connected with multiple back-up power cabinet (5), described wheel hub (2) is connected with multiple blade (3), and described multiple back-up power cabinet (5) lays respectively in described multiple blade (3).
4. the layout of change oar cabinet according to claim 1, is characterized in that, the number of described change oar cabinet (4) is three, and the number of described change oar support (11) is three.
5. a wind power generating set, is characterized in that, comprises the layout of the change oar cabinet in Claims 1-4 described in arbitrary claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520205519.3U CN204511788U (en) | 2015-04-07 | 2015-04-07 | Become layout and the wind power generating set of oar cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520205519.3U CN204511788U (en) | 2015-04-07 | 2015-04-07 | Become layout and the wind power generating set of oar cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204511788U true CN204511788U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520205519.3U Active CN204511788U (en) | 2015-04-07 | 2015-04-07 | Become layout and the wind power generating set of oar cabinet |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882358A (en) * | 2019-03-05 | 2019-06-14 | 中国船舶重工集团海装风电股份有限公司 | A kind of wind-driven generator and its blade pitch device |
| CN110242499A (en) * | 2019-07-17 | 2019-09-17 | 北京金风科创风电设备有限公司 | Variable pitch drive module, impeller system, wind generating set and transportation method |
-
2015
- 2015-04-07 CN CN201520205519.3U patent/CN204511788U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882358A (en) * | 2019-03-05 | 2019-06-14 | 中国船舶重工集团海装风电股份有限公司 | A kind of wind-driven generator and its blade pitch device |
| CN110242499A (en) * | 2019-07-17 | 2019-09-17 | 北京金风科创风电设备有限公司 | Variable pitch drive module, impeller system, wind generating set and transportation method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |