CN204677376U - Wind-driven generator and change oar locking device thereof - Google Patents
Wind-driven generator and change oar locking device thereof Download PDFInfo
- Publication number
- CN204677376U CN204677376U CN201520250304.3U CN201520250304U CN204677376U CN 204677376 U CN204677376 U CN 204677376U CN 201520250304 U CN201520250304 U CN 201520250304U CN 204677376 U CN204677376 U CN 204677376U
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- locking
- wheel hub
- blade root
- face groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000002421 cell wall Anatomy 0.000 claims abstract description 15
- 230000035515 penetration Effects 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- Y02E10/722—
Landscapes
- Wind Motors (AREA)
Abstract
The utility model relates to wind-driven generator and becomes oar locking device, become oar locking device and comprise locking bed, locking bed lower end is provided with the wheel hub fixed structure for being fixedly connected with corresponding wheel hub, the upper end of described locking bed is provided with at least one respectively for end face groove that the locking nut on corresponding blade root bolt or blade root bolt snaps in from right to left, and end face groove has for coordinating to limit the front cell wall and rear cell wall that pitch variable bearings rotates with the locking nut on described blade root bolt or blade root bolt is spacing.The utility model solves in prior art because lock sleeve need be sheathed on problem blade root bolt causing overturning locking bed from the bottom to top.
Description
Technical field
The utility model relates to a kind of wind-driven generator and change oar locking device thereof.
Background technique
In recent years, along with the installation and operation of wind power generating set, all there is a lot of problem in assembling and the maintenance of Wind turbines.In wind-driven generator erecting bed, assembling blade and wheel hub are the important steps of blower fan assembling, and the connection of blade and pitch variable bearings needs to carry out spacing by becoming oar locking device to pitch variable bearings, rotate to prevent pitch variable bearings in installation process.Existing change oar locking device is " a kind of wind generator set blade becomes oar locking device " disclosed in Chinese patent CN20265853U, this change oar locking device comprises locking bed, locking bed lower end is provided with bolt penetration hole, can install lock bolt during use in bolt penetration hole is fixed on wheel hub by locking bed, and the upper end of locking bed is fixedly installed the lock sleeve for being sheathed on blade root bolt exposed end from the bottom to top.At assembling blade or when keeping in repair wind-driven generator, first by the lock sleeve exposed end being sheathed on blade root bolt from the bottom to top, then by lock bolt, locking bed is fixed on wheel hub, the jacket wall of lock sleeve coordinates with blade root bolt is spacing, so just can prevent the blade rotary when assembling blade or keeping in repair wind-driven generator and the safety problem brought.Existing this change oar locking device Problems existing is: the spacing between pitch variable bearings and wheel hub is very little, need in prior art lock sleeve to be sheathed on from the bottom to top on blade root bolt, this just needs to carry out turning operation to locking bed, whole operating process inconvenience very; In addition, lock sleeve coordinates with blade root bolt is spacing, and the structural strength of caging bolt is limited, caging bolt bending deflection may occur and cause the problem that cannot dismantle.
Summary of the invention
The purpose of this utility model is that providing a kind of becomes oar locking device, to solve in prior art because lock sleeve need be sheathed on problem blade root bolt causing overturning locking bed from the bottom to top; The purpose of this utility model is also to provide a kind of wind-driven generator using this change oar locking device.
In order to solve the problem, the technological scheme becoming oar locking device in the utility model into:
Become oar locking device, comprise locking bed, locking bed lower end is provided with the wheel hub fixed structure for being fixedly connected with corresponding wheel hub, the upper end of described locking bed is provided with at least one respectively for end face groove that the locking nut on corresponding blade root bolt or blade root bolt snaps in from right to left, and end face groove has for coordinating to limit the front cell wall and rear cell wall that pitch variable bearings rotates with the locking nut on described blade root bolt or blade root bolt is spacing.
Described end face groove has at least two, and each end face groove along the longitudinal direction interval is arranged.
Described wheel hub fixed structure is the bolt penetration hole that axis extends along the vertical direction.
Described locking bed comprises the upper junction plate, the lower connecting plate that be arranged in parallel up and down, locking bed also comprises the middle connecting plate be fixedly welded between upper and lower connecting plate, upper and lower connecting plate and middle connecting plate form Z-shaped structure, described end face groove is opened on described upper junction plate, and described wheel hub fixed structure is arranged on described lower connecting plate.
Be welded with left reinforcement gusset between described middle connecting plate and lower connecting plate, between described middle connecting plate and upper junction plate, be welded with right reinforcement gusset.
In the utility model, the technological scheme of wind-driven generator is:
Wind-driven generator, comprise the pitch variable bearings that wheel hub and axis extend along the vertical direction, pitch variable bearings is equipped with the blade root bolt that axis extends along the vertical direction, the lower end of blade root bolt is exposed and be installed with locking nut, wind-driven generator also comprises the change oar locking device for being placed in use between pitch variable bearings and wheel hub, become oar locking device and comprise locking bed, locking bed lower end is provided with the wheel hub fixed structure for being fixedly connected with described wheel hub, the upper end of described locking bed is provided with at least one respectively for the end face groove that corresponding blade root bolt or locking nut snap in from right to left, end face groove has for described blade root bolt or locking nut is spacing coordinates to limit the front cell wall and rear cell wall that pitch variable bearings rotates.
Described end face groove has at least two, and each end face groove along the longitudinal direction interval is arranged.
Described wheel hub fixed structure is the bolt penetration hole that axis extends along the vertical direction.
Described locking bed comprises the upper junction plate, the lower connecting plate that be arranged in parallel up and down, locking bed also comprises the middle connecting plate be fixedly welded between upper and lower connecting plate, upper and lower connecting plate and middle connecting plate form Z-shaped structure, described end face groove is opened on described upper junction plate, and described wheel hub fixed structure is arranged on described lower connecting plate.
Be welded with left reinforcement gusset between described middle connecting plate and lower connecting plate, between described middle connecting plate and upper junction plate, be welded with right reinforcement gusset.
The beneficial effects of the utility model are: when needs use change oar locking device to pin pitch variable bearings, locking bed is moved from left to right, due to the end face groove that locking bed is offered, therefore blade root bolt or locking nut can snap in end face groove from right to left, the front cell wall of such end face groove and rear cell wall stop pitch variable bearings to rotate with blade root bolt or locking nut spacing cooperation, this locking bed in use only needs move left and right and do not need to move up and down, namely do not need to overturn locking bed, be highly suitable for using in less Environmental Conditions between the upper and lower between this pitch variable bearings and wheel hub.
Accompanying drawing explanation
Fig. 1 is structural representation when blade root bolt coordinates with locking bed in the utility model;
Fig. 2 is structural representation when blade root bolt does not snap in end face groove in the utility model;
Fig. 3 is the structural representation of an embodiment of locking bed in the utility model;
Fig. 4 is the right elevation of Fig. 3;
Fig. 5 is the stereogram of Fig. 3.
Embodiment
The embodiment of wind-driven generator is as shown in Fig. 1 ~ 5: comprise the pitch variable bearings 8 that wheel hub 7 and axis extend along the vertical direction, pitch variable bearings is equipped with the blade root bolt 10 that axis extends along the vertical direction, the lower end of blade root bolt is exposed and be installed with locking nut 9, wind-driven generator also comprises the change oar locking device for being arranged in use between pitch variable bearings 8 and wheel hub 7, become oar locking device and comprise locking bed, locking bed lower end is provided with the wheel hub fixed structure for being fixedly connected with wheel hub, in the present embodiment, wheel hub fixed structure is the bolt penetration hole that axis extends along the vertical direction, by installing lock bolt 6 in bolt penetration hole, locking bed is fixed on wheel hub during use.The upper end of locking bed is provided with three respectively for the end face groove 11 that corresponding locking nut 9 snaps in from right to left, each end face groove 11 along the longitudinal direction interval is arranged, and end face groove 11 has for coordinating to limit the front cell wall and rear cell wall that pitch variable bearings rotates with locking nut 9 is spacing.Locking bed comprises the upper junction plate 4, the lower connecting plate 1 that be arranged in parallel up and down, locking bed also comprises the middle connecting plate 2 be fixedly welded between upper and lower connecting plate, upper and lower connecting plate and middle connecting plate form Z-shaped structure, end face groove 11 is opened on upper junction plate 4, and bolt penetration hole is opened on lower connecting plate 1.Left reinforcement gusset 5 is welded with between middle connecting plate 2 and lower connecting plate; Right reinforcement gusset 3 is welded with between middle connecting plate 2 and upper junction plate 4.
In wind-driven generator assembling process or when keeping in repair wind-driven generator, need, by change oar locking device, locking is carried out to pitch variable bearings spacing, owing to offering the end face groove of notch towards the right side on upper junction plate, therefore only upper junction plate need be moved from left to right, locking nut on three blade root bolts of corresponding position can snap in corresponding end face groove from right to left respectively, the forward and backward cell wall of end face groove coordinates with the respective side outer circumferential face of locking nut is spacing, realizes the spacing locking to pitch variable bearings with this.Do not need to do rotary movement because locking bed only need move left and right, therefore locking bed is highly suitable for using in this occasion to above-below direction operating limited space; By end face groove structure, end face groove can directly coordinate with locking nut, and the external diameter at locking nut place is comparatively large, and structural strength is easy to ensure herein, there will not be blade root bolts bend problem on deformation.
In other embodiment of this wind-driven generator: the number of end face groove can also be one, two or other number; End face groove also can limit pitch variable bearings by the exposed end cooperation of blade root bolt and rotate; Wheel hub fixed structure also can not establish bolt penetration hole structure, compresses lower connecting plate be fixed on wheel hub by lower connecting plate say by pressing plate; Locking bed also can be a bending plate or cast member.
Become the embodiment of oar locking device as shown in Fig. 1 ~ 5: the concrete structure becoming oar locking device is identical with the change oar locking device described in above-mentioned each wind-driven generator embodiment, is not described in detail in this.
Claims (10)
1. become oar locking device, comprise locking bed, locking bed lower end is provided with the wheel hub fixed structure for being fixedly connected with corresponding wheel hub, it is characterized in that: the upper end of described locking bed is provided with at least one respectively for end face groove that the locking nut on corresponding blade root bolt or blade root bolt snaps in from right to left, end face groove has for coordinating to limit the front cell wall and rear cell wall that pitch variable bearings rotates with the locking nut on described blade root bolt or blade root bolt is spacing.
2. change oar locking device according to claim 1, is characterized in that: described end face groove has at least two, and each end face groove along the longitudinal direction interval is arranged.
3. change oar locking device according to claim 1, is characterized in that: described wheel hub fixed structure is the bolt penetration hole that axis extends along the vertical direction.
4. the change oar locking device according to claim 1 ~ 3 any one, it is characterized in that: described locking bed comprises the upper junction plate, the lower connecting plate that be arranged in parallel up and down, locking bed also comprises the middle connecting plate be fixedly welded between upper and lower connecting plate, upper and lower connecting plate and middle connecting plate form Z-shaped structure, described end face groove is opened on described upper junction plate, and described wheel hub fixed structure is arranged on described lower connecting plate.
5. change oar locking device according to claim 4, is characterized in that: be welded with left reinforcement gusset between described middle connecting plate and lower connecting plate, is welded with right reinforcement gusset between described middle connecting plate and upper junction plate.
6. wind-driven generator, comprise the pitch variable bearings that wheel hub and axis extend along the vertical direction, pitch variable bearings is equipped with the blade root bolt that axis extends along the vertical direction, the lower end of blade root bolt is exposed and be installed with locking nut, wind-driven generator also comprises the change oar locking device for being placed in use between pitch variable bearings and wheel hub, become oar locking device and comprise locking bed, locking bed lower end is provided with the wheel hub fixed structure for being fixedly connected with described wheel hub, it is characterized in that: the upper end of described locking bed is provided with at least one respectively for the end face groove that corresponding blade root bolt or locking nut snap in from right to left, end face groove has for described blade root bolt or locking nut is spacing coordinates to limit the front cell wall and rear cell wall that pitch variable bearings rotates.
7. wind-driven generator according to claim 6, is characterized in that: described end face groove has at least two, and each end face groove along the longitudinal direction interval is arranged.
8. wind-driven generator according to claim 6, is characterized in that: described wheel hub fixed structure is the bolt penetration hole that axis extends along the vertical direction.
9. the wind-driven generator according to claim 6 ~ 8 any one, it is characterized in that: described locking bed comprises the upper junction plate, the lower connecting plate that be arranged in parallel up and down, locking bed also comprises the middle connecting plate be fixedly welded between upper and lower connecting plate, upper and lower connecting plate and middle connecting plate form Z-shaped structure, described end face groove is opened on described upper junction plate, and described wheel hub fixed structure is arranged on described lower connecting plate.
10. wind-driven generator according to claim 9, is characterized in that: be welded with left reinforcement gusset between described middle connecting plate and lower connecting plate, is welded with right reinforcement gusset between described middle connecting plate and upper junction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250304.3U CN204677376U (en) | 2015-04-23 | 2015-04-23 | Wind-driven generator and change oar locking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250304.3U CN204677376U (en) | 2015-04-23 | 2015-04-23 | Wind-driven generator and change oar locking device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677376U true CN204677376U (en) | 2015-09-30 |
Family
ID=54177072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520250304.3U Active CN204677376U (en) | 2015-04-23 | 2015-04-23 | Wind-driven generator and change oar locking device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677376U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757299A (en) * | 2018-05-11 | 2018-11-06 | 上海玻璃钢研究院东台有限公司 | A kind of pre-embedded bolt structure of sliding positioning formula wind electricity blade blade root |
| CN110566419A (en) * | 2019-09-26 | 2019-12-13 | 北京金风科创风电设备有限公司 | Blade locking device, hub, impeller and wind generating set |
-
2015
- 2015-04-23 CN CN201520250304.3U patent/CN204677376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757299A (en) * | 2018-05-11 | 2018-11-06 | 上海玻璃钢研究院东台有限公司 | A kind of pre-embedded bolt structure of sliding positioning formula wind electricity blade blade root |
| CN110566419A (en) * | 2019-09-26 | 2019-12-13 | 北京金风科创风电设备有限公司 | Blade locking device, hub, impeller and wind generating set |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204081623U (en) | The servicing unit of a kind of reducing desulfurizing tower upside-down mounting | |
| JP5719975B2 (en) | Wind energy turbine shell station | |
| CN103266779B (en) | A kind of sliding and lifting construction equipment and method thereof of crossing horizontal obstacle thing | |
| CN204677376U (en) | Wind-driven generator and change oar locking device thereof | |
| CN103511179A (en) | Wind wheel structure of vertical axis wind turbine and installation method thereof | |
| CN205779500U (en) | A kind of composite fan tower segments with inside and outside barrel attachment structure and tower | |
| CN204124221U (en) | A kind of novel wind power transport of blades equipment | |
| CN108019313B (en) | Rotatable wind gathering and guiding type horizontal longitudinal axis wind driven generator | |
| CN105888986B (en) | A kind of blower fan tower barrel component, tower and tower installation method | |
| CN204956409U (en) | Windscreen wiper motor system assembly structure | |
| CN202834380U (en) | Pipe-jacking construction guide pipe provided with deviation rectification wing board | |
| CN209586591U (en) | A kind of wind power tower drum | |
| KR101878191B1 (en) | Wind Power Generator Having Back Blade | |
| CN204675721U (en) | Lifting appliance in a kind of novel wind-powered machine unit hub | |
| CN202579511U (en) | Multi-directional metal connecting piece | |
| CN209482683U (en) | A kind of centralising device of wind-powered electricity generation concrete tower mounting platform | |
| CN201714591U (en) | Planetary gear train in wind motor gear case | |
| CN203129943U (en) | Crawling ladder device in hub of wind generating set | |
| CN105151003A (en) | Wiper motor system assembly structure | |
| CN207161261U (en) | Hang down surely vertical wind seat | |
| CN205277701U (en) | Equipment of wind generating set impeller is with assembling device | |
| CN105201757A (en) | Structure combining steel tower tube and steel latticework tower of wind turbine generator system | |
| CN205294613U (en) | General type hoisting accessory of wind -powered electricity generation gear box planetary gear | |
| CN203308045U (en) | Adjusting device applied to nuclear island steel lining | |
| CN204633685U (en) | A kind of photovoltaic panel suspension arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |