CN201615026U - Moment connecting arms of gear case of wind turbine generator system - Google Patents
Moment connecting arms of gear case of wind turbine generator system Download PDFInfo
- Publication number
- CN201615026U CN201615026U CN2009201093296U CN200920109329U CN201615026U CN 201615026 U CN201615026 U CN 201615026U CN 2009201093296 U CN2009201093296 U CN 2009201093296U CN 200920109329 U CN200920109329 U CN 200920109329U CN 201615026 U CN201615026 U CN 201615026U
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- CN
- China
- Prior art keywords
- link arm
- moment
- moment link
- slide block
- gear case
- 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 - Lifetime
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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
Abstract
The utility model discloses moment connecting arms of a gear case of a wind turbine generator system, which comprises a torsion shaft; two ends of the torsion shaft are respectively provided with a bearing seat which is fixedly connected with a main rack; moment connecting arms, which are arranged along the radial direction of the torsion shaft, are respectively hinged at positions close to two ends of the torsion shaft; one ends of the moment connecting arms are respectively arranged on the torsion shaft, and the other ends thereof are respectively U-shaped; two U-shaped edges of each moment connecting arm are respectively and internally hinged with a joint bearing fixedly connected with the gear case and a hinge pin passing through the two U-shaped edges; and each moment connecting arm is also provided with a damping device. The moment connecting arms of the gear case of the wind turbine generator system can offset deformation of the gear case by rotation of the hinge parts, and can achieve better damping effect simultaneously by the damping devices.
Description
Technical field
The utility model is about a kind of technical field of wind power generation, more particularly, and about a kind of wind-driven generator group wheel box moment link arm.
Background technique
In wind power generating set, because the gear-box input end is different with the moment of torsion of output terminal, can on gear-box, produce difference in torque, therefore need the mounting torque link arm to come this moment of torsion of balance.Simultaneously, the moment link arm can also play the effect that absorbs the gear-box damping.
At present, in wind power generating set, the structural type of the moment link arm of use mainly contains following two kinds:
A kind of is 2 supporting way, as shown in Figure 5, respectively there is a main shaft bearing 12 at the two ends that are main shaft 13, support the wheel hub 11 and the gear-box 14 of impeller respectively, the moment of torsion that gear-box 14 left and right sides use moment link arm 15 to come balance gear case 14 to be produced when operation.Because gear-box 14 deadweights are bigger, can make main shaft 13 produce distortion in a small amount, therefore when moment link arm 15 power that moment of torsion is produced passed to mainframe 16, also the propagation of pressure that gear-box 14 distortion can be produced was given mainframe 16, makes mainframe 16 be subjected to extra load.
Another kind is the supported at three point scheme, and promptly main bearing is installed in impeller one side, and as a strong point, two strong points are arranged on the gear-box in addition, have two arm of force supporting points on the gear-box.In the said structure, the moment link arm will bear gear-box deadweight equally, and this deadweight can directly affact on the mainframe, increases extra load to mainframe.
The model utility content
In view of this, it is a kind of simple in structure that main purpose of the present utility model is to provide, and is easy to install, safe and reliable, practical, counter balance torque preferably, the wind-driven generator group wheel box moment link arm that also has damping effect preferably.
In order to achieve the above object, the technical solution of the utility model is achieved in that a kind of wind-driven generator group wheel box moment link arm, include the moment link arm, torsional axis, one end of described moment link arm radially is hinged on nearly end positions place on the torsional axis along torsional axis respectively, the other end of described moment link arm takes the shape of the letter U respectively, be hinged with the bearing pin that is used for the joint shaft bearing of fixedlying connected and connects two U-shaped limits respectively in the two U-shaped limits of described each moment link arm with gear-box, the centre of described each moment link arm also is respectively arranged with damping device, and the torsional axis two ends that link to each other with the moment link arm are respectively arranged with and are used for the bearing support of fixedlying connected with mainframe.
Described damping device includes the connection shell that is hollow shape, be arranged on slide block and rubber pad in the described connection shell, the upper end of described connection shell is connected with the moment link arm by bolt, the inwall of described connection shell is provided with inwardly outstanding conoid protuberance, the space that is positioned at the conoid protuberance top of described connection shell is provided with described slide block, described slide block is connected by the moment link arm of connecting bolt with the space that is positioned at the described conoid protuberance below that is connected shell, matching with the side of conoid protuberance respectively in the moment link arm side that is connected with slide block and the side of slide block, is respectively arranged with rubber pad between described conoid protuberance and the slide block and between described conoid protuberance and the moment link arm.
Beneficial effect after the employing technique scheme is: wind-driven generator group wheel box moment link arm of the present utility model, the distortion of gear-box is offset in the rotation that can pass through the hinged place, simultaneously, can reach preferable damping effect by the damping device that is provided with.
Description of drawings
Fig. 1 is the structural representation of wind-driven generator group wheel box moment link arm in the utility model;
Fig. 2 looks schematic representation for the left side of Fig. 1;
Fig. 3 is the cross-sectional schematic of the damping device in the utility model;
Fig. 4 is the user mode schematic representation of wind-driven generator group wheel box moment link arm in the utility model;
Fig. 5 is the structural representation of existing 2 supporting way.
Wherein, 1 joint shaft bearing, 2 bearing pins, 3 moment link arms, 4 damping devices, 41 connect shell, 411 bolts, 412 conoid protuberances, 42 slide blocks, 421 connecting bolts, 43 rubber pads, 5 torsional axiss, 6 bearing supports, 11 wheel hubs, 12 main shaft bearings, 13 main shafts, 14 gear-boxes, 15 moment link arms, 16 mainframes.
Embodiment
Below in conjunction with accompanying drawing specific embodiment in the utility model is described in further detail.
As Fig. 1--shown in Figure 3, wind-driven generator group wheel box moment link arm of the present utility model, include moment link arm 3, torsional axis 5, one end of described moment link arm 3 radially is hinged on nearly end positions place on the torsional axis 5 along torsional axis 5 respectively, the other end of described moment link arm 3 takes the shape of the letter U respectively, be hinged with respectively in the two U-shaped limits of described each moment link arm 3 and be used for joint shaft bearing 1 of fixedlying connected and the bearing pin 2 that connects two U-shaped limits with gear-box 14, the centre of described each moment link arm 3 also is respectively arranged with damping device 4, and torsional axis 5 two ends that link to each other with moment link arm 3 are respectively arranged with and are used for the bearing support 6 of fixedlying connected with mainframe 16.
Wherein, damping device 4 includes the connection shell 41 that is hollow shape, be arranged on the slide block 42 and the rubber pad 43 that connect in the shell 41, the upper end that connects shell 41 is connected with moment link arm 3 by bolt 411, the inwall that connects shell 41 is provided with inwardly outstanding conoid protuberance 412, the space that is positioned at conoid protuberance 412 tops that connects shell 41 is provided with slide block 42, slide block 42 is connected by the moment link arm 3 of connecting bolt 421 with the space that is positioned at conoid protuberance 412 belows that are connected shell 41, match with the side of conoid protuberance 412 respectively in the side of the moment link arm 3 that is connected with slide block 42 and the side of slide block 42, be respectively arranged with rubber pad 43 between conoid protuberance 412 and the slide block 42 and between conoid protuberance 412 and the moment link arm 3, as shown in Figure 3.Not as limit, other any component that can realize shock-absorbing function all can.Rubber pad 43 in the damping device 4, simple in structure, safe and reliable, can effectively absorb the vibrations of gear-box.
As shown in Figure 4, wind-driven generator group wheel box moment link arm of the present utility model in use, when gear-box 14 because deadweight or impeller loads when producing distortion, this amount of deformation will pass to moment link arm 3 by bearing pin 2, when moment link arm 3 was subjected to pressing (drawing) power, each hinged place and joint shaft bearing 1 just can rotate.Therefore, the distortion of gear-box 14 just can be offset by the rotation of hinged place, and so just pressure (drawing) power that gear-box 14 distortion can not produced is relayed on the mainframe 16, reaches the effect of offsetting distortion.
Secondly, when vibration takes place in gear-box 14, the vibrations meeting is delivered on the damping device 4 by moment link arm 3, damping device 4 also has the fraction shock transfer to torsional axis 5 after having absorbed most of vibrations, at this moment, torsional axis 5 can be done small rotation around the axis of diaxon bearing 6, can offset the vibrations of a part again.Like this, the major part vibrations that gear-box 14 is produced are all absorbed by moment link arm 3, thereby reach the effect of damping.
At last, when vibration and distortion took place gear-box 14, moment link arm 3 can rely on hinged place and joint shaft bearing 1 to produce mutually and rotate, and can avoid the parts in the moment link arm 3 to produce deformation, improves working life.
The above is preferred embodiment of the present utility model only, is not to be used to limit protection domain of the present utility model.
Claims (2)
1. wind-driven generator group wheel box moment link arm, it is characterized in that, include the moment link arm, torsional axis, one end of described moment link arm radially is hinged on nearly end positions place on the torsional axis along torsional axis respectively, the other end of described moment link arm takes the shape of the letter U respectively, be hinged with the bearing pin that is used for the joint shaft bearing of fixedlying connected and connects two U-shaped limits respectively in the two U-shaped limits of described each moment link arm with gear-box, the centre of described each moment link arm also is respectively arranged with damping device, and the torsional axis two ends that link to each other with the moment link arm are respectively arranged with and are used for the bearing support of fixedlying connected with mainframe.
2. wind-driven generator group wheel box moment link arm according to claim 1, it is characterized in that, described damping device includes the connection shell that is hollow shape, be arranged on slide block and rubber pad in the described connection shell, the upper end of described connection shell is connected with the moment link arm by bolt, the inwall of described connection shell is provided with inwardly outstanding conoid protuberance, the space that is positioned at the conoid protuberance top of described connection shell is provided with described slide block, described slide block is connected by the moment link arm of connecting bolt with the space that is positioned at the described conoid protuberance below that is connected shell, matching with the side of conoid protuberance respectively in the moment link arm side that is connected with slide block and the side of slide block, is respectively arranged with rubber pad between described conoid protuberance and the slide block and between described conoid protuberance and the moment link arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201093296U CN201615026U (en) | 2009-06-22 | 2009-06-22 | Moment connecting arms of gear case of wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201093296U CN201615026U (en) | 2009-06-22 | 2009-06-22 | Moment connecting arms of gear case of wind turbine generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615026U true CN201615026U (en) | 2010-10-27 |
Family
ID=43001395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201093296U Expired - Lifetime CN201615026U (en) | 2009-06-22 | 2009-06-22 | Moment connecting arms of gear case of wind turbine generator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596255A (en) * | 2017-09-25 | 2019-04-09 | 森维安有限责任公司 | Measure device, wind-driven generator operation method and the wind-driven generator of wind-driven generator torque |
| CN117588352A (en) * | 2023-11-20 | 2024-02-23 | 江苏科创电器有限公司 | Large-air-volume noise-reduction vibration-reduction fan blade grid flexible connection structure and self-adjusting method thereof |
-
2009
- 2009-06-22 CN CN2009201093296U patent/CN201615026U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596255A (en) * | 2017-09-25 | 2019-04-09 | 森维安有限责任公司 | Measure device, wind-driven generator operation method and the wind-driven generator of wind-driven generator torque |
| CN117588352A (en) * | 2023-11-20 | 2024-02-23 | 江苏科创电器有限公司 | Large-air-volume noise-reduction vibration-reduction fan blade grid flexible connection structure and self-adjusting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101027 |
|
| CX01 | Expiry of patent term |