CN216381728U - Variable-pitch locking structure of wind driven generator - Google Patents
Variable-pitch locking structure of wind driven generator Download PDFInfo
- Publication number
- CN216381728U CN216381728U CN202122862922.1U CN202122862922U CN216381728U CN 216381728 U CN216381728 U CN 216381728U CN 202122862922 U CN202122862922 U CN 202122862922U CN 216381728 U CN216381728 U CN 216381728U
- Authority
- CN
- China
- Prior art keywords
- locking
- nuts
- arrangement according
- wind turbine
- disc
- 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
Images
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a variable-pitch locking structure of a wind driven generator, belonging to the technical field of wind power generation. According to the utility model, two groups of nuts are respectively arranged on two sides of the synchronous disc, each group of nuts comprises two locking nuts, the locking nuts on the two sides of the synchronous disc are screwed on the thread section of the locking rod to clamp the synchronous disc, so that the synchronous disc can be fixed at a specified position, and the rotation and axial translation locking of the blade is further realized; the problem of the locking of the variable pitch of the synchronous variable pitch unit in the transportation, installation and maintenance processes is solved, the structure is simple and reliable, the use and operation are convenient, and the safety of personnel and equipment is guaranteed.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a variable pitch locking structure of a wind driven generator.
Background
The angle of the blade needs to be locked when the wind generating set is transported and maintained. Three blades of an original synchronous variable pitch unit are connected with the blades through a synchronous disc, a connecting rod and a rotating shaft, and a wind wheel does not have the function of locking the angle of the blades during transportation and installation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a variable pitch locking structure of a wind driven generator, which aims to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a aerogenerator becomes oar locking structure, includes the locking lever, the locking lever is used for restricting the rotation of synchronization disc, locking lever both ends detachable fixes on fan wheel hub, be equipped with two sets of nuts through the screw thread on the locking lever, the synchronization disc sets up in the middle of two sets of nuts, and two sets of nuts are used for restricting the axial displacement of synchronization disc.
Further, each set of nuts includes two locking nuts.
Furthermore, a threaded section is arranged on the lock rod, and the locking nut is arranged on the threaded section.
Furthermore, two ends of the lock rod are respectively provided with a bolt hole for connecting the front lug plate or the rear lug plate.
Furthermore, a gasket is arranged between each group of nuts and the synchronous disc.
Furthermore, locking lever one end is connected with fan wheel hub through preceding otic placode, the locking lever other end is connected with fan wheel hub through the back otic placode.
Further, the lock rod is connected with the front lug plate through a bolt.
Further, the locking rod is connected with the rear lug plate through a bolt.
The utility model has the advantages that: according to the utility model, two groups of nuts are respectively arranged on two sides of the synchronous disc, each group of nuts comprises two locking nuts, the locking nuts on the two sides of the synchronous disc are screwed on the thread section of the locking rod to clamp the synchronous disc, so that the synchronous disc can be fixed at a specified position, and the rotation and axial translation locking of the blade is further realized; the problem of the locking of the variable pitch of the synchronous variable pitch unit in the transportation, installation and maintenance processes is solved, the structure is simple and reliable, the use and operation are convenient, and the safety of personnel and equipment is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic structural diagram of the present invention.
Reference numerals: locking rod 1, locking nut 2, gasket 3, synchronizing disc 4, rear lug plate 5 and front lug plate 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a variable pitch locking structure of a wind driven generator comprises a lock rod 1, wherein the lock rod 1 is used for limiting rotation of a synchronous disc 4, two ends of the lock rod 1 are detachably fixed on a hub of a fan, two groups of nuts are arranged on the lock rod 1 through threads, the synchronous disc 4 is arranged between the two groups of nuts, and the two groups of nuts are used for limiting axial movement of the synchronous disc 4.
In the above embodiment, each set of nuts comprises two locking nuts 2. And a double-locking nut 2 anti-loosening structure is used, so that the safety factor of blade locking is improved.
In the above embodiment, the lock rod 1 is provided with a threaded section, and the locking nut 2 is provided on the threaded section. The position of the thread section is determined according to the position of the synchronous disc 4, and the internal thread on the locking nut 2 is matched and connected with the external thread on the thread section.
In the above embodiment, one end of the lock rod 1 is connected with the fan hub through the front ear plate 6, and the other end of the lock rod 1 is connected with the fan hub through the rear ear plate 5. The lock rod 1 is connected with the front ear plate 6 through a bolt. The lock rod 1 is connected with the rear lug plate 5 through a bolt. Two ends of the lock rod 1 are respectively provided with a bolt hole for connecting a front lug plate 6 or a rear lug plate 5. The front lug plate 6 is provided with a first mounting hole, the front lug plate 6 is connected with the lock rod 1 through the first mounting hole, the lock rod 1 is inserted into the first mounting hole, the tail end of a screw rod connected with the front lug plate 6 is installed in a bolt hole in the end part of the lock rod 1, and the front lug plate 6 is connected with a fan hub through a bolt. The rear lug plate 5 is provided with a second mounting hole, and a bolt for connecting the rear lug plate 5 with the lock rod 1 firstly penetrates through the tail end of the rear lug plate 5 and is installed in the second mounting hole at the end part of the lock rod 1.
In the above embodiment, a spacer 3 is arranged between each group of nuts and the synchronizing disk 4. As shown in fig. 1, the diameter of the washer 3 is larger than that of the lock nut 2, and the washer 3 increases the contact area of the lock nut 2 and the synchronizing disk 4, reduces the pressure, and prevents looseness.
The locking rod 1 is inserted into a preformed hole of the synchronous disc 4, two ends of the locking rod 1 are respectively fixed on a front lug plate 6 and a rear lug plate 5 through bolts, and the front lug plate 6 and the rear lug plate 5 are detachably connected with a fan hub through bolts; two sets of nuts are arranged on two sides of the synchronous disc 4 respectively, each set of nuts comprises two locking nuts 2, the locking nuts 2 on two sides of the synchronous disc 4 are screwed on the thread section of the locking rod 1, the synchronous disc 4 is clamped, the synchronous disc 4 can be fixed at a specified position, and rotation of the blades and locking of axial translation are achieved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A wind-driven generator becomes oar locking structure which characterized in that: including locking lever (1), locking lever (1) are used for restricting the rotation of synchronization disc (4), locking lever (1) both ends detachable fixes on fan wheel hub, be equipped with two sets of nuts through the screw thread on locking lever (1), synchronization disc (4) set up in the middle of two sets of nuts, and two sets of nuts are used for restricting the axial displacement of synchronization disc (4).
2. A wind turbine pitch locking arrangement according to claim 1, wherein: each set of nuts comprises two locking nuts (2).
3. A wind turbine pitch locking arrangement according to claim 2, wherein: the locking rod (1) is provided with a threaded section, and the locking nut (2) is arranged on the threaded section.
4. A wind turbine pitch locking arrangement according to claim 3, wherein: two ends of the lock rod (1) are respectively provided with a bolt hole for connecting the front lug plate (6) or the rear lug plate (5).
5. A wind turbine pitch locking arrangement according to claim 1, wherein: a gasket (3) is arranged between each group of nuts and the synchronous disc (4).
6. A wind turbine pitch locking arrangement according to claim 4, wherein: locking lever (1) one end is connected with fan wheel hub through preceding otic placode (6), locking lever (1) other end is connected with fan wheel hub through back otic placode (5).
7. A wind turbine pitch locking arrangement according to claim 6, wherein: the lock rod (1) is connected with the front ear plate (6) through a bolt.
8. A wind turbine pitch locking arrangement according to claim 6, wherein: the lock rod (1) is connected with the rear lug plate (5) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122862922.1U CN216381728U (en) | 2021-11-18 | 2021-11-18 | Variable-pitch locking structure of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122862922.1U CN216381728U (en) | 2021-11-18 | 2021-11-18 | Variable-pitch locking structure of wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381728U true CN216381728U (en) | 2022-04-26 |
Family
ID=81218761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122862922.1U Active CN216381728U (en) | 2021-11-18 | 2021-11-18 | Variable-pitch locking structure of wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381728U (en) |
-
2021
- 2021-11-18 CN CN202122862922.1U patent/CN216381728U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105201754B (en) | Bearing supporting device for wind generating set, mounting method and wind generating set | |
| CN112253386B (en) | Wind power generation equipment and blade self-pitching control method, system and device thereof | |
| US5173023A (en) | Wind turbine generator blade and retention system | |
| CN210033710U (en) | Automatic blade locking device for wind generating set to be locked along axial direction of blade root | |
| CN216381728U (en) | Variable-pitch locking structure of wind driven generator | |
| US9261074B2 (en) | Variable bolt parameters for a wind turbine rotor blade | |
| CN115288924A (en) | Wind power blade mounting structure for wind power generation | |
| AU2011213426A1 (en) | High-efficiency high-power vertical axis wind generator | |
| CN219754696U (en) | Sectional type wind-powered electricity generation blade connection structure | |
| CN219413175U (en) | Anti-fatigue nut and blade root connecting structure of wind driven generator | |
| CN103016259A (en) | Wind power generator wind wheel capable of automatically changing pitch angle of fan blade according to wind power | |
| CN204805288U (en) | A fastener for wind generating set | |
| CN216554209U (en) | Permanent-magnet direct-drive wind generating set | |
| CN110778455B (en) | Variable pitch connecting structure of wind generating set | |
| CN113389818A (en) | Bolt connection mode for slewing bearing | |
| CN203009158U (en) | Wind driven generator wind wheel capable of automatically changing fan blade screw pitch propeller angle according to wind force | |
| CN216077435U (en) | Blade locking device for wind turbine generator production | |
| CN220470111U (en) | Fan-shaped piece of aerogenerator rotor's dismouting of being convenient for | |
| CN111102240A (en) | Impeller locking structure with self-locking effect and centrifugal compressor | |
| CN216975111U (en) | Megawatt-level fan variable-pitch power supply device utilizing small fan | |
| CN217456335U (en) | Pitch pin structure of paddle handle for pitch-variable propeller | |
| CN205841093U (en) | A kind of lengthened blades of wind power generation blower fan | |
| CN220539751U (en) | Wind wheel device for wind driven generator and wind driven generator | |
| CN218293762U (en) | Impeller locking device and wind generating set | |
| CN219827413U (en) | Anti-fatigue stud and blade root connecting structure of wind driven generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |