CN204755199U - Hydraulic pressure becomes oar bearing assembly - Google Patents
Hydraulic pressure becomes oar bearing assembly Download PDFInfo
- Publication number
- CN204755199U CN204755199U CN201520548662.2U CN201520548662U CN204755199U CN 204755199 U CN204755199 U CN 204755199U CN 201520548662 U CN201520548662 U CN 201520548662U CN 204755199 U CN204755199 U CN 204755199U
- Authority
- CN
- China
- Prior art keywords
- outer web
- endosternum
- eccentric opening
- pitch variable
- variable bearings
- 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
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
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a hydraulic pressure becomes structural component in the oar system, concretely relates to hydraulic pressure becomes oar bearing assembly. This hydraulic pressure becomes oar bearing assembly, including round pin axle, hub and executor, being equipped with change oar bearing inner race on the hub and becoming oar bearing inner race, change oar bearing inner race passes through the short double -screw bolt of double -end to be fixed on the hub flange, and change oar bearing inner race passes through the long double -screw bolt of double -end to be fixed on the flange blade, becoming oar bearing inner race inboard and being equipped with endosternum and outer web, outer web is located and is close to the one side that becomes oar bearing inner race, all be equipped with the eccentric orfice on endosternum and the outer web, and two eccentric orfices are concentric, the round pin axle passes the eccentric orfice on endosternum, the outer web in proper order, the executor passes the hub and passes through the executor hydraulic stem and sell axle head portion articulatedly. The beneficial effects are that: simple structure, light weight, it is low -priced, high durability has.
Description
Technical field
The utility model relates to a kind of structure member in hydraulic variable propeller system, is specifically related to a kind of hydraulic vane change bearing unit.
Background technique
Modern blower fan by controlling, the adjusting vane angle of attack realizes it to the control of power stage and protects blower fan to damage from overload.Each blade is fixed on wheel hub by pitch variable bearings, and can move by relativeatoeterahub, and blade rotates around its longitudinal axis by pitch-controlled system.At present, domestic wind power generating set seldom adopts hydraulic variable propeller system, external wind power generating set has employing hydraulic variable propeller system, as the hydraulic variable propeller system in ES2308911A1, hydraulic variable-pitch actuator have employed the mode of connecting rod, hydraulic vane change continuous action device comprises oil hydraulic cylinder, final controlling element fixed base, pitch variable bearings, piston rod, coupling shaft, connecting base, root of blade web, liner plate, cover plate etc., and more than one of the quantity that parts thereof needs.As can be seen here, form the continuous action device structure relative complex of hydraulic variable propeller system, particularly system, need to be optimized its Local Null parts, make its structure become relatively simple.
Model utility content
The utility model, in order to make up the defect of prior art, provides the hydraulic vane change bearing unit that a kind of structure is more simple, economic.
The utility model is achieved by the following technical solution:
A kind of hydraulic vane change bearing unit, comprise bearing pin, wheel hub and final controlling element, described wheel hub is provided with pitch variable bearings inner ring and pitch variable bearings outer ring, pitch variable bearings outer ring is fixed on wheelboss flange by the short stud of double end, pitch variable bearings inner ring is fixed on flange blade by double end long threaded rod, endosternum and outer web is provided with inside described pitch variable bearings inner ring, outer web is positioned at the side near pitch variable bearings outer ring, described endosternum and outer web are equipped with eccentric opening, and two eccentric openings are concentric, described bearing pin is successively through endosternum, eccentric opening on outer web, described final controlling element through wheel hub by final controlling element hydraulic rod and end part of pin shaft hinged.
Further, described bearing pin one end is provided with cylindrical end one, and one end is provided with cylindrical end two in addition, and bearing pin intermediate portion is provided with male flange dish, and male flange dish is provided with multiple flange plate through hole.
Further, described endosternum and outer web are parallel to each other, and are ring.
Further, the cylindrical end two of described end part of pin shaft is successively through the endosternum eccentric opening on endosternum and outer web and outer web eccentric opening, male flange dish in the middle part of bearing pin and endosternum are fastened by bolts part and are connected and fixed, and the cylindrical end two of end part of pin shaft forms transition or interference fit with the outer web eccentric opening on outer web.
Further, the cylindrical end two of described end part of pin shaft is successively through the endosternum eccentric opening on endosternum and outer web and outer web eccentric opening, male flange dish in the middle part of bearing pin and endosternum are fastened by bolts part and are connected and fixed, the cylindrical end two of end part of pin shaft is connected with outer web by annular flange dish, annular flange dish is concentric with outer web eccentric opening, and be fastened by bolts part and be fixed on outer web, the cylindrical end two of end part of pin shaft forms transition or interference fit with the annular flange dish on outer web.
The beneficial effects of the utility model are: a kind of hydraulic vane change bearing unit of the utility model is by introducing hydraulic vane change bearing unit, optimize existing hydraulic vane change continuous action device further, make its structure simpler, two webs of endosternum and outer web are adopted to improve the rigidity of hydraulic vane change bearing, enhance the ability that it bears radial load, whole hydraulic vane change bearing component construction is simple, light weight, cheap, has high-durability.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is structure sectional view of the present utility model;
Accompanying drawing 2 is structural representation of the present utility model;
Accompanying drawing 3 is the structural representation of the utility model bearing pin;
Accompanying drawing 4 is the partial structurtes schematic diagram of the utility model embodiment 2.
In figure, 1 bearing pin; 1.1 cylindrical ends one; 1.2 male flange dishes; 1.2.1 flange plate through hole; 1.3 cylindrical ends two; 2 annular flange dishes; 3 bolt fasteners; 4 endosternums; 4.1 endosternum eccentric openings; 5 outer webs; 5.1 outer web eccentric opening; 6 pitch variable bearings inner rings; 7 pitch variable bearings outer rings; 8 wheel hubs; 9 final controlling element; 9.1 final controlling element hydraulic rods; 10 double end long threaded rods; The short stud of 11 double end; 12 flange blades.
Embodiment
Below in conjunction with embodiment, the utility model is further described.
Embodiment 1
Accompanying drawing 1-3 is a kind of embodiment of the present utility model.A kind of hydraulic vane change bearing unit of this model utility, comprise bearing pin 1, wheel hub 8 and final controlling element 9, described wheel hub 8 is provided with pitch variable bearings inner ring 6 and pitch variable bearings outer ring 7, pitch variable bearings outer ring 7 is fixed on wheel hub 8 flange by the short stud 11 of double end, pitch variable bearings inner ring 6 is fixed on flange blade 12 by double end long threaded rod 10, endosternum 4 and outer web 5 is provided with inside described pitch variable bearings inner ring 6, outer web 5 is positioned at the side near pitch variable bearings outer ring 7, described endosternum 4 and outer web 5 are equipped with eccentric opening, and two eccentric openings are concentric, described bearing pin 1 is successively through endosternum 4, eccentric opening on outer web 5, described final controlling element 9 is hinged by final controlling element hydraulic rod 9.1 and bearing pin 1 end through wheel hub 8.
Further, described bearing pin 1 one end is provided with cylindrical end 1, and one end is provided with cylindrical end 2 1.3 in addition, and bearing pin 1 intermediate portion is provided with male flange dish 1.2, and male flange dish 1.2 is provided with multiple flange plate through hole 1.2.1.
Further, described endosternum 4 is parallel to each other with outer web 5, and is ring.
Further, the cylindrical end 2 1.3 of described bearing pin 1 end is successively through the endosternum eccentric opening 4.1 on endosternum 4 and outer web 5 and outer web eccentric opening 5.1, male flange dish 1.2 in the middle part of bearing pin 1 is fastened by bolts part 3 with endosternum 4 and is connected and fixed, and the cylindrical end 2 1.3 of bearing pin 1 end forms transition or interference fit with the outer web eccentric opening 5.1 on outer web 5.
Embodiment 2
Accompanying drawing 1-4 is a kind of embodiment of the present utility model.A kind of hydraulic vane change bearing unit of this model utility, comprise bearing pin 1, wheel hub 8 and final controlling element 9, described wheel hub 8 is provided with pitch variable bearings inner ring 6 and pitch variable bearings outer ring 7, pitch variable bearings outer ring 7 is fixed on wheel hub 8 flange by the short stud 11 of double end, pitch variable bearings inner ring 6 is fixed on flange blade 12 by double end long threaded rod 10, endosternum 4 and outer web 5 is provided with inside described pitch variable bearings inner ring 6, outer web 5 is positioned at the side near pitch variable bearings outer ring 7, described endosternum 4 and outer web 5 are equipped with eccentric opening, and two eccentric openings are concentric, described bearing pin 1 is successively through endosternum 4, eccentric opening on outer web 5, described final controlling element 9 is hinged by final controlling element hydraulic rod 9.1 and bearing pin 1 end through wheel hub 8.
Further, described bearing pin 1 one end is provided with cylindrical end 1, and one end is provided with cylindrical end 2 1.3 in addition, and bearing pin 1 intermediate portion is provided with male flange dish 1.2, and male flange dish 1.2 is provided with multiple flange plate through hole 1.2.1.
Further, described endosternum 4 is parallel to each other with outer web 5, and is ring.
Further, the cylindrical end 2 1.3 of described bearing pin 1 end is successively through the endosternum eccentric opening 4.1 on endosternum 4 and outer web 5 and outer web eccentric opening 5.1, male flange dish 1.2 in the middle part of bearing pin 1 is fastened by bolts part 3 with endosternum 4 and is connected and fixed, the cylindrical end 2 1.3 of bearing pin 1 end is connected with outer web 5 by annular flange dish 2, annular flange dish 2 is concentric with outer web eccentric opening 5.1, and be fastened by bolts part 3 and be fixed on outer web 5, the cylindrical end 2 1.3 of bearing pin 1 end forms transition or interference fit with the annular flange dish 2 on outer web 5.
A kind of hydraulic vane change bearing unit of this model utility, during use, final controlling element 9 is hinged with the cylindrical end 1 on bearing pin 1 by final controlling element hydraulic rod 9.1 through wheel hub 8, can rotate relatively freely, bearing pin 1 becomes an one-piece element with endosternum 4 and outer web 5, endosternum 4 is integrated with pitch variable bearings inner ring 6 and 12 one-tenth, flange blade again with outer web 5, when the final controlling element hydraulic rod 9.1 of final controlling element 9 does fore and aft motion, bearing pin 1 can be driven around endosternum 4 central axis, thus realize the function that fan blade rotates around its longitudinal axis by pitch-controlled system.
The utility model is not limited to above-mentioned mode of execution, anyone should learn make under enlightenment of the present utility model with the utility model, there is identical or close technological scheme, all fall within protection domain of the present utility model.
Technology, shape, structure part that the utility model is not described in detail are known technology.
Claims (5)
1. a hydraulic vane change bearing unit, it is characterized in that, comprise bearing pin, wheel hub and final controlling element, described wheel hub is provided with pitch variable bearings inner ring and pitch variable bearings outer ring, pitch variable bearings outer ring is fixed on wheelboss flange by the short stud of double end, pitch variable bearings inner ring is fixed on flange blade by double end long threaded rod, endosternum and outer web is provided with inside described pitch variable bearings inner ring, outer web is positioned at the side near pitch variable bearings outer ring, described endosternum and outer web are equipped with eccentric opening, and two eccentric openings are concentric, described bearing pin is successively through endosternum, eccentric opening on outer web, described final controlling element through wheel hub by final controlling element hydraulic rod and end part of pin shaft hinged.
2. a kind of hydraulic vane change bearing unit according to claim 1, it is characterized in that: described bearing pin one end is provided with cylindrical end one, and one end is provided with cylindrical end two in addition, and bearing pin intermediate portion is provided with male flange dish, male flange dish is provided with multiple flange plate through hole.
3. a kind of hydraulic vane change bearing unit according to claim 1, is characterized in that: described endosternum and outer web are parallel to each other, and are ring.
4. a kind of hydraulic vane change bearing unit according to claim 1, it is characterized in that: the cylindrical end two of described end part of pin shaft is successively through the endosternum eccentric opening on endosternum and outer web and outer web eccentric opening, male flange dish in the middle part of bearing pin and endosternum are fastened by bolts part and are connected and fixed, and the cylindrical end two of end part of pin shaft forms transition or interference fit with the outer web eccentric opening on outer web.
5. a kind of hydraulic vane change bearing unit according to claim 1, it is characterized in that: the cylindrical end two of described end part of pin shaft is successively through the endosternum eccentric opening on endosternum and outer web and outer web eccentric opening, male flange dish in the middle part of bearing pin and endosternum are fastened by bolts part and are connected and fixed, the cylindrical end two of end part of pin shaft is connected with outer web by annular flange dish, annular flange dish is concentric with outer web eccentric opening, and be fastened by bolts part and be fixed on outer web, the cylindrical end two of end part of pin shaft forms transition or interference fit with the annular flange dish on outer web.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548662.2U CN204755199U (en) | 2015-07-27 | 2015-07-27 | Hydraulic pressure becomes oar bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548662.2U CN204755199U (en) | 2015-07-27 | 2015-07-27 | Hydraulic pressure becomes oar bearing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755199U true CN204755199U (en) | 2015-11-11 |
Family
ID=54469913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520548662.2U Active CN204755199U (en) | 2015-07-27 | 2015-07-27 | Hydraulic pressure becomes oar bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930908A (en) * | 2017-05-23 | 2017-07-07 | 北京三力新能科技有限公司 | A kind of pitch variable bearings component |
| CN107587976A (en) * | 2016-07-06 | 2018-01-16 | 西门子公司 | Wind turbine |
| CN107681829A (en) * | 2017-11-09 | 2018-02-09 | 哈尔滨理工大学 | A kind of direct-drive type wave generator structure |
| EP3845760A1 (en) * | 2019-12-31 | 2021-07-07 | Nordex Energy Spain, S.A.U. | Pitch bearing of a wind turbine, wind turbine and method of limiting the stresses in the reinforcement plates of a pitch bearing |
-
2015
- 2015-07-27 CN CN201520548662.2U patent/CN204755199U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587976A (en) * | 2016-07-06 | 2018-01-16 | 西门子公司 | Wind turbine |
| CN107587976B (en) * | 2016-07-06 | 2019-10-22 | 西门子歌美飒可再生能源公司 | Wind turbine |
| US10612516B2 (en) | 2016-07-06 | 2020-04-07 | Siemens Gamesa Renewable Energy A/S | Wind turbine |
| CN106930908A (en) * | 2017-05-23 | 2017-07-07 | 北京三力新能科技有限公司 | A kind of pitch variable bearings component |
| CN106930908B (en) * | 2017-05-23 | 2023-05-05 | 北京三力新能科技有限公司 | Variable-pitch bearing assembly |
| CN107681829A (en) * | 2017-11-09 | 2018-02-09 | 哈尔滨理工大学 | A kind of direct-drive type wave generator structure |
| CN107681829B (en) * | 2017-11-09 | 2019-12-03 | 济南世普润节能环保科技有限公司 | A kind of direct-drive type wave generator structure |
| EP3845760A1 (en) * | 2019-12-31 | 2021-07-07 | Nordex Energy Spain, S.A.U. | Pitch bearing of a wind turbine, wind turbine and method of limiting the stresses in the reinforcement plates of a pitch bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204755199U (en) | Hydraulic pressure becomes oar bearing assembly | |
| US9790919B2 (en) | Joint assembly for rotor blade segments of a wind turbine | |
| US9551324B2 (en) | Pitch bearing assembly with stiffener | |
| US6629815B2 (en) | Peripheral turbine support system | |
| US9239040B2 (en) | Root end assembly configuration for a wind turbine rotor blade and associated forming methods | |
| US10479483B2 (en) | Pitch control assembly and propeller assembly and method of adjusting pitch | |
| US9777704B2 (en) | Rotor blade assembly for a wind turbine having variable-length blade bolts | |
| BR0311312A (en) | Fluid turbine for power extraction from a moving fluid | |
| DK201170300A (en) | Wind turbine blade attachment configuration with flattened bolts | |
| CN106321344A (en) | Composite hub multi-paddle type variable paddle horizontal axis wind turbine | |
| EP3112669B1 (en) | Pitch assembly for a wind turbine rotor blade | |
| CN108473193A (en) | The pivot of variable orientation blade for turbogenerator fan hub | |
| CN102734067B (en) | Wind thrust pitch-variable mechanism | |
| CN202848024U (en) | Propeller hub assembly used for small and medium-sized unmanned helicopters | |
| CN104389746B (en) | The impeller and wind power generating set of wind power generating set | |
| CN104595110A (en) | Draught fan wind wheel adjusting device and draught fan set comprising draught fan wind wheel adjusting device | |
| CN101235794B (en) | High and low speed wind wheel common pylon | |
| US10598159B2 (en) | Wind turbine bearings | |
| CN206770136U (en) | A kind of pitch variable bearings component | |
| CN201771677U (en) | Vertical shaft rotating plate type wind machine | |
| CN106499576A (en) | Low wind speed is from pitch-controlled wind-driven generator impeller and low wind speed from pitch-controlled wind-driven generator | |
| CN205225580U (en) | Non - independent hydraulic pressure of large -scale wind generating set becomes oar actuating mechanism | |
| CN109236561B (en) | Intelligent layout design method and device for bolts of low-wind-speed wind turbine and wind turbine | |
| CN204493453U (en) | Double-bearing direct drive aerogenerator | |
| CN208630854U (en) | A kind of rotor blade of high-lift power ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |