CN206942940U - A kind of mechanical change oar locking device of wind power generating set - Google Patents
A kind of mechanical change oar locking device of wind power generating set Download PDFInfo
- Publication number
- CN206942940U CN206942940U CN201720629907.3U CN201720629907U CN206942940U CN 206942940 U CN206942940 U CN 206942940U CN 201720629907 U CN201720629907 U CN 201720629907U CN 206942940 U CN206942940 U CN 206942940U
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- CN
- China
- Prior art keywords
- locking
- bottom plate
- clamping block
- oar
- bolt
- 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.)
- Expired - Fee Related
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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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- Wind Motors (AREA)
Abstract
The utility model discloses a kind of mechanical change oar locking device of wind power generating set, change oar clamping block including locking bottom plate and with locking cylinder, wherein, the locking bottom plate is removably mounted at the locking bottom plate installation position of wind generator unit wheel hub by screw, the change oar clamping block is removably mounted in locking bottom plate by supporting screw bolt and nut, the locking cylinder, which is fixed on, to be become on oar clamping block, and close to the pitch variable bearings inner ring internal tooth of wind power generating set, unclamp after becoming the bolt connection of oar clamping block and locking bottom plate, locking cylinder can be caught in the internal tooth teeth groove of pitch variable bearings inner ring to prevent pitch variable bearings from rotating to realize locking by the mobile oar clamping block that becomes.The structure of the utility model device is simple, easy to operate, and cost is low, and using mechanical locking, manually operated, the reliability of locking is very high, also when pitch drive breaks down and needs repairing replacing, still can lock wind wheel.
Description
Technical field
The technical field of wind generating set pitch control locking is the utility model is related to, refers in particular to a kind of wind power generating set
Mechanical change oar locking device in wind wheel lifting and maintenance process.
Background technology
Known in the industry, MW class wind turbine group generally uses pitch control, and machine is realized by adjusting blade pitch angle
Group rotating speed and Power Control.Conventional blade pitch device form has electric variable pitch and hydraulic vane change, and electric variable pitch is using wide.
, it is necessary to be locked to blade pitch device during lifting wind wheel or maintenance pitch drive, currently used lock mode is profit
The electromagnetic brake carried with pitch drive is locked, but the electromagnetic brake locking carried using pitch drive, exist cost it is high,
Reliability is low, and the shortcomings of can not lock blade pitch device when carrying out pitch drive maintenance.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of simple and reasonable, safety can
Lean on, be easy to operate, the mechanical change oar locking device for the wind power generating set that cost is low, mainly lifting and repaired in wind wheel
Used in journey, can effectively prevent blade from the unexpected oar that becomes occurs and acts.
To achieve the above object, technical scheme provided by the utility model is：A kind of machinery of wind power generating set
Formula becomes oar locking device, including locking bottom plate and the change oar clamping block with locking cylinder, wherein, the locking bottom plate passes through spiral shell
Nail is removably mounted at the locking bottom plate installation position of wind generator unit wheel hub, and the change oar clamping block passes through supporting spiral shell
Screw bolt and nut is removably mounted in locking bottom plate, and the locking cylinder, which is fixed on, to be become on oar clamping block, and is sent out close to wind-force
The pitch variable bearings inner ring internal tooth of group of motors, unclamp after becoming the bolt connection of oar clamping block and locking bottom plate, it is mobile to become oar clamping block
Locking cylinder can be caught in the internal tooth teeth groove of pitch variable bearings inner ring to prevent pitch variable bearings from rotating to realize locking.
The shape size for becoming oar clamping block is adapted with locking bottom plate, and is stacked in locking bottom plate, the locking
Column vertical in become oar clamping block, while the locking cylinder extend sideways be fixed in become oar clamping block on reinforcement.
A longitudinal strip groove wide with bolt head opposite side is machined with the back side of the locking bottom plate, for for spiral shell
Bolt head is hidden in groove and blocks bolt, avoids bolt from being rotated in fastening, is machined with the front of the locking bottom plate more
Individual longitudinal bar hole that spacing arranges on the length direction of longitudinal strip groove, the plurality of longitudinal bar hole and longitudinal strip
Groove connects, while through there is multiple transverse directions that spacing arranges on the length direction of longitudinal strip groove on the change oar clamping block
Bar hole, and the horizontal bar hole on the change oar clamping block is identical with longitudinal bar shaped hole number in locking bottom plate and one a pair
Should, screw on nut after screw bolt passes longitudinal direction strip groove and corresponding longitudinal bar hole and horizontal bar hole, you can realize
Become the bolt connection of oar clamping block and locking bottom plate, and oar locking is become by the combination of horizontal bar hole and longitudinal bar hole
Block can carry out position adjustments in longitudinal and transverse two directions.
The locking bottom plate installation position is the boss for being threaded hole that wheel hub casts out above.
The screw is hexagon socket cap head screw.
The bolt is hexagon-headed bolt, and the nut is hexagon nut with flange.
The utility model compared with prior art, has the following advantages that and beneficial effect：
1st, simple in construction, easy to operate, cost is low.
2nd, position adjustments can be carried out in longitudinal and transverse two directions by becoming oar clamping block, so that pitch variable bearings inner ring is not required to
Vernier angle position can be so that the locking cylinder become on oar clamping block, which is caught in the internal tooth teeth groove of pitch variable bearings inner ring, realizes change
Paddle shaft holds locking.
3rd, using mechanical locking, manually operated, the reliability of locking is very high, is specifically：Become oar machine when needing to lock
During structure, the connecting bolt for becoming oar clamping block and locking bottom plate is unclamped, sliding, which becomes oar clamping block, manually makes locking cylinder be caught in change
The internal tooth teeth groove of oar bearing inner race, then connecting bolt is fastened and realizes locking, and when needing to unclamp blade pitch device, oar lock will be become
The connecting bolt for determining block and locking bottom plate unclamps, and manual reverse shuffle, which becomes oar clamping block, makes locking cylinder remove pitch variable bearings inner ring
Internal tooth teeth groove, then connecting bolt is fastened.
4th, when pitch drive breaks down and needs repairing replacing, wind wheel can still be locked.
Brief description of the drawings
Fig. 1 is the mechanical scheme of installation for becoming oar locking device of the present utility model.
Fig. 2 is one of mechanical structural representation for becoming oar locking device of the present utility model.
Fig. 3 is the two of the mechanical structural representation for becoming oar locking device of the present utility model.
Fig. 4 is the structural representation of locking cylinder on change oar clamping block band of the present utility model.
Fig. 5 is one of structural representation of locking bottom plate of the present utility model.
Fig. 6 is the two of the structural representation of locking bottom plate of the present utility model.
Embodiment
With reference to specific embodiment, the utility model is described in further detail.
The mechanical change oar locking device that the present embodiment is provided, it is mainly used in sending out using the wind-force of electrodynamic type blade pitch device
Group of motors locks blade pitch device (by wheel hub, pitch variable bearings outer ring, pitch variable bearings inner ring, change in wind wheel lifting and maintenance process
Oar driving, become the composition such as oar electrical system), to prevent blade from occurring unexpectedly to become oar action.It is shown in Figure 1, pitch variable bearings
Outer ring 2 is bolted fixation with wheel hub 3, and pitch variable bearings outer ring 2 is bolted fixation with blade (being not drawn into figure),
Pitch variable bearings inner ring 4 carries internal tooth, and pitch drive (being not drawn into figure) carries gear, and pitch drive engages to drive by gear to be become
Oar bearing inner race 4 rotates, so as to realize that pitch is adjusted with movable vane piece rotation.
Referring to shown in Fig. 2 to Fig. 6, described mechanical change oar locking device, including locking bottom plate 101 and with lock post
The change oar clamping block 103 of body 102, the shape size for becoming oar clamping block 103 are adapted with locking bottom plate 101, the locking bottom
Plate 101 is removably stacked at the locking bottom plate installation position of wheel hub 3 by hexagon socket cap head screw 104, referring to Fig. 1 institutes
Show, because wheel hub 3 is spheroidal graphite cast-iron cast member, what the locking bottom plate installation position was substantially that wheel hub 3 casts out above is threaded hole
Boss；The change oar clamping block 103 is removably pacified by supporting hexagon-headed bolt 105 and hexagon nut with flange 106
In locking bottom plate 101, the fixed vertical of locking cylinder 102 is in becoming on oar clamping block 103, and close to pitch variable bearings inner rings
4 internal tooth, while the reinforcement 110 for being fixed in and becoming on oar clamping block 103 that extends sideways two of the locking cylinder 102, with
Rise reinforcement effect, by locking cylinder 102 is caught in the internal tooth teeth groove of pitch variable bearings inner ring 4 prevent pitch variable bearings rotate with
Locking is realized, detailed process is：When needing to lock blade pitch device, oar clamping block 103 and the turret head of locking bottom plate 101 will be become
Bolt 105 unclamps, and sliding manually becomes the internal tooth teeth groove that oar clamping block 103 makes locking cylinder 102 be caught in pitch variable bearings inner ring 4, then
Hexagon-headed bolt 105 is fastened locking can be achieved, and when needing to unclamp blade pitch device, oar clamping block 103 and locking will be become
The hexagon-headed bolt 105 of bottom plate 101 unclamps, and manual reverse shuffle, which becomes oar clamping block 103, makes locking cylinder 102 remove pitch variable bearings
The internal tooth teeth groove of inner ring 4, then hexagon-headed bolt 105 is fastened.
A longitudinal strip groove wide with 105 opposite side of hexagon-headed bolt is machined with the back side of locking bottom plate 101
107, for hiding in groove and blocking hexagon-headed bolt 105 for hexagon-headed bolt 105, avoid hexagon-headed bolt 105 from fastening
When rotate, multiple spacings on the length direction of longitudinal strip groove 107 are machined with the front of locking bottom plate 101 and are arranged
Longitudinal bar hole 108, the plurality of longitudinal bar hole 108 connects with longitudinal strip groove 107, while the change oar clamping block
Running through on 103 has multiple horizontal bar holes 109 that spacing arranges on the length direction of longitudinal strip groove 107, and the change oar
Horizontal bar hole 109 on clamping block 103 is identical with the quantity of longitudinal bar hole 108 in locking bottom plate 101 and corresponds, six
Hex bolt 105 is screwed on after sequentially passing through longitudinal strip groove 107 and corresponding longitudinal bar hole 108 and horizontal bar hole 109
Hexagon nut with flange 106, you can realize and become oar clamping block 103 and the bolt connection of locking bottom plate 101, and pass through horizontal bar shaped
The combination of hole 109 and longitudinal bar hole 108 may be such that position tune can be carried out in longitudinal and transverse two directions by becoming oar clamping block 103
Section, convenient installation, and cause pitch variable bearings inner ring 4 is not required to vernier angle position can be so as to become the locking on oar clamping block 103
Cylinder 102, which is caught in the internal tooth teeth groove of pitch variable bearings inner ring 4, realizes that pitch variable bearings lock.
In addition, it is desirable to which locking bottom plate 101 and the surface of change oar clamping block 103 are handled using hot spray painted zinc, ensure contact surface friction
Coefficient.
Examples of implementation described above are only the preferred embodiment of the utility model, are not limited with this of the present utility model
Practical range, therefore the change that all shape, principles according to the utility model are made, all should cover in the scope of protection of the utility model
It is interior.
Claims (6)
- A kind of 1. mechanical change oar locking device of wind power generating set, it is characterised in that：Including locking bottom plate and with lock The only change oar clamping block of cylinder, wherein, the locking bottom plate is removably mounted on wind generator unit wheel hub by screw At locking bottom plate installation position, the change oar clamping block is removably mounted in locking bottom plate by supporting screw bolt and nut, The locking cylinder, which is fixed on, to be become on oar clamping block, and close to the pitch variable bearings inner ring internal tooth of wind power generating set, is unclamped and become oar After the bolt connection of clamping block and locking bottom plate, locking cylinder can be caught in pitch variable bearings inner ring by the mobile oar clamping block that becomes Pitch variable bearings are prevented to rotate in tooth teeth groove to realize locking.
- A kind of 2. mechanical change oar locking device of wind power generating set according to claim 1, it is characterised in that：Institute State and become the shape size of oar clamping block and be adapted with locking bottom plate, and be stacked in locking bottom plate, the locking cylinder perpendicular to Become oar clamping block, while the reinforcement for being fixed in and becoming on oar clamping block that extends sideways of the locking cylinder.
- A kind of 3. mechanical change oar locking device of wind power generating set according to claim 1, it is characterised in that：Institute State and a longitudinal strip groove wide with bolt head opposite side is machined with the back side of locking bottom plate, for being hidden for bolt head into groove In and block bolt, avoid bolt fastening when rotate, be machined with the front of the locking bottom plate multiple in longitudinal length Longitudinal bar hole that spacing arranges on the length direction of bar-shaped trough, the plurality of longitudinal bar hole connect with longitudinal strip groove, together Shi Suoshu, which becomes to run through on oar clamping block, multiple horizontal bar holes that spacing arranges on the length direction of longitudinal strip groove, and Horizontal bar hole on the change oar clamping block is identical with longitudinal bar shaped hole number in locking bottom plate and corresponds, and bolt is successively Screw on nut after through longitudinal strip groove and corresponding longitudinal bar hole and horizontal bar hole, you can realize become oar clamping block with The bolt connection of locking bottom plate, and by the combination of horizontal bar hole and longitudinal bar hole become oar clamping block can it is vertical, Position adjustments are carried out in horizontal both direction.
- A kind of 4. mechanical change oar locking device of wind power generating set according to claim 1, it is characterised in that：Institute It is the boss for being threaded hole that wheel hub casts out above to state locking bottom plate installation position.
- A kind of 5. mechanical change oar locking device of wind power generating set according to claim 1, it is characterised in that：Institute It is hexagon socket cap head screw to state screw.
- 6. a kind of mechanical change oar locking device of wind power generating set according to claim 1 or 3, its feature exist In：The bolt is hexagon-headed bolt, and the nut is hexagon nut with flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720629907.3U CN206942940U (en) | 2017-06-02 | 2017-06-02 | A kind of mechanical change oar locking device of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720629907.3U CN206942940U (en) | 2017-06-02 | 2017-06-02 | A kind of mechanical change oar locking device of wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206942940U true CN206942940U (en) | 2018-01-30 |
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ID=61362457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720629907.3U Expired - Fee Related CN206942940U (en) | 2017-06-02 | 2017-06-02 | A kind of mechanical change oar locking device of wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206942940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006419A (en) * | 2023-01-05 | 2023-04-25 | 南通奥里斯特机械有限公司 | Wind power generation blade part locking sleeve based on spheroidal graphite cast iron and use method thereof |
-
2017
- 2017-06-02 CN CN201720629907.3U patent/CN206942940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006419A (en) * | 2023-01-05 | 2023-04-25 | 南通奥里斯特机械有限公司 | Wind power generation blade part locking sleeve based on spheroidal graphite cast iron and use method thereof |
| CN116006419B (en) * | 2023-01-05 | 2023-09-19 | 南通奥里斯特机械有限公司 | Wind power generation blade part locking sleeve based on spheroidal graphite cast iron and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20210602 |