CN210531076U - Wind power generation becomes oar bearing convenient to installation - Google Patents
Wind power generation becomes oar bearing convenient to installation Download PDFInfo
- Publication number
- CN210531076U CN210531076U CN201921608617.6U CN201921608617U CN210531076U CN 210531076 U CN210531076 U CN 210531076U CN 201921608617 U CN201921608617 U CN 201921608617U CN 210531076 U CN210531076 U CN 210531076U
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- China
- Prior art keywords
- power generation
- wind power
- pitch bearing
- variable pitch
- diameter
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- Expired - Fee Related
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- 238000010248 power generation Methods 0.000 title claims abstract description 75
- 238000009434 installation Methods 0.000 title abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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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 belongs to the technical field of wind power generation becomes oar bearing technology and specifically relates to a wind power generation becomes oar bearing convenient to installation, become oar bearing inner race including wind power generation, follow wind power generation becomes oar bearing inner race top surface circumference equidistance and is equipped with first screw thread mounting hole, wind power generation becomes oar bearing inner race side and is equipped with the external screw thread face, the connecting cylinder inner wall is equipped with the internal thread face with external screw thread face threaded connection, connecting cylinder bottom surface middle part is equipped with the round hole, follows round hole side circumference equipartition has second screw thread mounting hole, connecting cylinder side is equipped with positioning mechanism. The utility model discloses need not tighten a large amount of bolts when wheel hub and wind power generation become oar bearing and be connected, made things convenient for the installation and the dismantlement of wheel hub and wind power generation become oar bearing, positioning mechanism can consolidate wind power generation and become the stability of being connected of oar bearing inner race and connection column casing.
Description
Technical Field
The utility model relates to a wind power generation becomes oar bearing technical field, especially relates to a wind power generation becomes oar bearing convenient to installation.
Background
The variable pitch bearing is arranged between the blade and the hub of the wind driven generator, and the inner ring and the outer ring are respectively connected with the blade and the hub through bolts, so that the blade can rotate relative to the axis of the blade to achieve the purpose of changing the pitch. The variable pitch bearing mainly bears radial load, axial load and overturning moment, and the bearing is required to bear impact, larger load and excellent wear resistance because the stress condition of the variable pitch bearing of the wind driven generator is complex and the bearing bears larger impact and vibration.
The inner ring of the existing wind driven generator variable pitch bearing is connected with a rotating shaft of the wind driven generator through a key pin under the rotating force of a blade, the outer ring of the wind driven generator variable pitch bearing is fixed with a hub through bolts, the outer ring of the wind driven generator variable pitch bearing is fixed on the hub through the mode, a large number of bolts need to be screwed, and the installation and the disassembly are very laborious.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that has aerogenerator to become oar bearing installation and dismantlement all very hard among the prior art, and the aerogenerator who provides a convenient to installation becomes oar bearing.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a wind power generation variable-pitch bearing convenient to install comprises a wind power generation variable-pitch bearing outer ring, wherein ball clamping grooves are formed in the inner wall of the wind power generation variable-pitch bearing outer ring along the circumferential direction, stainless steel balls are densely distributed in the ball clamping grooves, a wind power generation variable-pitch bearing inner ring is inserted into the wind power generation variable-pitch bearing outer ring, first thread mounting holes are formed in the circumferential direction of the top surface of the wind power generation variable-pitch bearing inner ring at equal intervals, gear teeth are formed in the circumferential direction of the inner wall of the wind power generation variable-pitch bearing inner ring at equal intervals, clamping rings located on the top surface and the bottom surface of the wind power generation variable-pitch bearing outer ring are fixed on the top portion and the bottom portion of the side surface of the wind power generation variable-pitch bearing inner ring, an external thread surface is arranged on the side surface of the wind power, the connecting column casing bottom surface middle part is equipped with the round hole, follows round hole side circumference equipartition has the second screw thread mounting hole, the connecting column casing side is equipped with positioning mechanism.
Preferably, the positioning mechanism comprises two bayonets, two thread arc surfaces are arranged on two sides of the middle of each bayonet, and the two thread arc surfaces on the same bayonet are connected with the positioning bolt through common threads.
Preferably, the width of the ball clamping groove is the same as the diameter of the stainless steel ball, and the ball clamping groove is designed to be annular.
Preferably, the diameter of the round hole is the same as that of the inner ring of the wind power generation variable pitch bearing, and the diameter of the round hole is smaller than the inner diameter of the connecting column barrel.
Preferably, the inner diameter of the outer ring of the wind power generation variable pitch bearing is the same as the outer diameter of the inner ring of the wind power generation variable pitch bearing, and the outer diameter of the inner ring of the wind power generation variable pitch bearing is larger than the outer diameter of the clamping ring.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses when installing wind power generation becomes oar bearing inner race on wheel hub, utilize the second screw thread mounting hole on the connecting column section of thick bamboo earlier and can fix it on wheel hub, then utilize internal thread face and the external thread face on the wind power generation becomes oar bearing inner race on the connecting column section of thick bamboo, can become oar bearing inner race threaded connection with wind power generation on the connecting column section of thick bamboo, so accomplished wheel hub and wind power generation become the connection of oar bearing, need not tighten a large amount of bolts during the connection, the installation and the dismantlement of the oar bearing are become with wind power generation to wheel hub, positioning mechanism can consolidate wind power generation and become the stability of being connected of oar bearing inner race and connecting column section of thick bamboo.
Drawings
Fig. 1 is a schematic structural view of a wind power generation pitch bearing convenient to mount according to the present invention;
fig. 2 is the utility model relates to a wind power generation becomes oar bearing's structure explosion chart convenient to installation.
In the figure: wind power generation becomes oar bearing outer lane 1, ball draw-in groove 2, stainless steel ball 3, wind power generation becomes oar bearing inner circle 4, first screw thread mounting hole 5, teeth of a cogwheel 6, snap ring 7, external thread face 8, connection column casing 9, internal thread face 10, round hole 11, second screw thread mounting hole 12, bayonet 13, screw thread cambered surface 14, positioning bolt 15.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in figures 1-2, the wind power generation variable pitch bearing convenient to install comprises a wind power generation variable pitch bearing outer ring 1, the inner diameter of the wind power generation variable pitch bearing outer ring 1 is the same as the outer diameter of a wind power generation variable pitch bearing inner ring 4, the outer diameter of the wind power generation variable pitch bearing inner ring 4 is larger than the outer diameter of a clamping ring 7, a ball clamping groove 2 located on the inner wall of the wind power generation variable pitch bearing outer ring 1 is arranged along the circumferential direction of the wind power generation variable pitch bearing outer ring 1, stainless steel balls 3 are densely distributed in the ball clamping groove 2, the width of the ball clamping groove 2 is the same as the diameter of the stainless steel balls 3, the ball clamping groove 2 is designed to be annular, a wind power generation variable pitch bearing inner ring 4 is inserted in the wind power generation variable pitch bearing outer ring 1, first thread mounting holes 5 are equidistantly arranged along the circumferential direction of the top surface of the wind power generation variable pitch bearing inner ring 4, gear teeth 6 are equidistantly And a clamping ring 7 on the bottom surface, an external thread surface 8 is arranged on the side surface of the wind power generation variable-pitch bearing outer ring 1, a connecting column barrel 9 is arranged on the outer side of the wind power generation variable-pitch bearing outer ring 1, an internal thread surface 10 in threaded connection with the external thread surface 8 is arranged on the inner wall of the connecting column barrel 9, a round hole 11 is arranged in the middle of the bottom surface of the connecting column barrel 9, the diameter of the round hole 11 is the same as that of the wind power generation variable-pitch bearing inner ring 4, the diameter of the round hole 11 is smaller than the inner diameter of the connecting column barrel 9, second thread mounting holes 12 are uniformly distributed along the circumferential direction of the side surface of the round hole 11, a positioning mechanism is arranged on the side surface of the connecting column barrel 9, when the wind power generation variable-pitch bearing is installed, the connecting column barrel 9 is firstly fixed on a wheel hub, when the connecting column barrel 9 is fixed on the wheel hub, the connecting column, then, the external thread surface 8 is matched with the internal thread surface 10, the wind power generation pitch bearing outer ring 1 can be connected into the connecting column barrel 9 through threads, so that the wind power generation pitch bearing and the hub are fixedly connected, the connecting mode does not need to tighten a large number of bolts when the wind power generation pitch bearing is disassembled and assembled, and the wind power generation pitch bearing is very convenient to assemble and disassemble.
The positioning mechanism comprises two bayonets 13, the two sides of the middle of each bayonet 13 are provided with thread cambered surfaces 14, the two thread cambered surfaces 14 on the same bayonet 13 are connected with a positioning bolt 15 through common threads, and the connection firmness of the connecting column barrel 9 and the wind power generation pitch bearing outer ring 1 can be strengthened by screwing the positioning bolt 15 in the positioning mechanism.
The working principle is as follows: when the wind power generation pitch bearing is installed, the connecting column casing 9 is firstly fixed on a wheel hub, when the connecting column casing 9 is fixed on the wheel hub, the second threaded mounting hole 12 on the connecting column casing 9 is mainly used for being matched with a bolt, the connecting column casing 9 can be fixed on the wheel hub, after the connecting column casing 9 is fixed on the wheel hub, the outer thread surface 8 and the inner thread surface 10 are matched, the outer ring 1 of the wind power generation pitch bearing can be connected into the connecting column casing 9 in a threaded mode, and finally the positioning bolt 15 in the positioning mechanism is screwed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A wind power generation variable pitch bearing convenient to install comprises a wind power generation variable pitch bearing outer ring (1) and is characterized in that ball clamping grooves (2) located on the inner wall of the wind power generation variable pitch bearing outer ring (1) are formed in the circumferential direction of the wind power generation variable pitch bearing outer ring (1), stainless steel balls (3) are densely distributed in the ball clamping grooves (2), a wind power generation variable pitch bearing inner ring (4) is inserted into the wind power generation variable pitch bearing outer ring (1), first thread mounting holes (5) are formed in the circumferential direction of the top surface of the wind power generation variable pitch bearing inner ring (4) at equal intervals, gear teeth (6) are formed in the circumferential direction of the inner wall of the wind power generation variable pitch bearing inner ring (4), snap rings (7) located on the top surface and the bottom surface of the wind power generation variable pitch bearing outer ring (1) are fixed to the top and the bottom of the side surface of the wind power generation, a connecting column sleeve (9) is arranged on the outer side of a wind power generation variable pitch bearing outer ring (1), an internal thread surface (10) in threaded connection with an external thread surface (8) is arranged on the inner wall of the connecting column sleeve (9), a round hole (11) is arranged in the middle of the bottom surface of the connecting column sleeve (9), second thread mounting holes (12) are uniformly distributed in the circumferential direction of the side surface of the round hole (11), and a positioning mechanism is arranged on the side surface of the connecting column sleeve (9).
2. The wind power generation pitch bearing convenient to install according to claim 1, wherein the positioning mechanism comprises two bayonets (13), thread arc surfaces (14) are arranged on two sides of the middle of each of the two bayonets (13), and the two thread arc surfaces (14) on the same bayonet (13) are connected with a positioning bolt (15) through common threads.
3. Wind power generation pitch bearing convenient to install according to claim 1, characterized in that the width of the ball clamping groove (2) is the same as the diameter of the stainless steel ball (3), and the ball clamping groove (2) is designed as a ring.
4. The wind power generation pitch bearing convenient to install according to claim 1, wherein the diameter of the round hole (11) is the same as the diameter of the wind power generation pitch bearing inner ring (4), and the diameter of the round hole (11) is smaller than the inner diameter of the connecting column barrel (9).
5. The wind power generation pitch bearing convenient to install according to claim 1, wherein the inner diameter of the outer ring (1) of the wind power generation pitch bearing is the same as the outer diameter of the inner ring (4) of the wind power generation pitch bearing, and the outer diameter of the inner ring (4) of the wind power generation pitch bearing is larger than the outer diameter of the clamping ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921608617.6U CN210531076U (en) | 2019-09-26 | 2019-09-26 | Wind power generation becomes oar bearing convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921608617.6U CN210531076U (en) | 2019-09-26 | 2019-09-26 | Wind power generation becomes oar bearing convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531076U true CN210531076U (en) | 2020-05-15 |
Family
ID=70606654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921608617.6U Expired - Fee Related CN210531076U (en) | 2019-09-26 | 2019-09-26 | Wind power generation becomes oar bearing convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531076U (en) |
-
2019
- 2019-09-26 CN CN201921608617.6U patent/CN210531076U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |