CN204663778U - Wind-driven generator and tower cylinder thereof - Google Patents
Wind-driven generator and tower cylinder thereof Download PDFInfo
- Publication number
- CN204663778U CN204663778U CN201520284570.8U CN201520284570U CN204663778U CN 204663778 U CN204663778 U CN 204663778U CN 201520284570 U CN201520284570 U CN 201520284570U CN 204663778 U CN204663778 U CN 204663778U
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- tower cylinder
- wind
- driven generator
- described upper
- upper tower
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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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Abstract
The utility model discloses a kind of wind-driven generator and tower cylinder thereof, wind-driven generator comprises at least two blades and tower cylinder, tower cylinder comprises tower cylinder and lower tower cylinder, described lower tower cylinder has dug receiving cavity downwards from its top, described upper tower cylinder part extend in described receiving cavity, and the lifting mechanism be provided with in described receiving cavity for vertically moving described upper tower cylinder, described upper tower cylinder after lifting is removably fixedly connected with described lower tower cylinder, the described upper tower cylinder after moving down and described lower tower cylinder part socket.Described wind-driven generator, when typhoon is attacked, after mechanical arm stretches out, can make clamping part and the blade after sinking coordinate, and adopt mechanical mechanism due to it, and clamping part reliably, is firmly held with a firm grip blade, and wind-force can blow to its both sides from blade back; And upper tower cylinder, lower tower cylinder and blade can form three-in-one structure, alleviate tower cylinder top wind-force further, strengthen the anti-typhoon capacity of wind-driven generator top and entirety.
Description
Technical field
The utility model relates to technical field of wind power generation, particularly relates to a kind of wind-driven generator and tower cylinder thereof.
Background technique
At present, wind-power electricity generation has become fastest-rising renewable and clean energy resource, especially offshore wind farm wind speed is high, wind-force is stablized, becalm interference less, generated energy is large, following Wind Power Generation turns to sea to be inexorable trend by land.
To develop the pioneer Europe North Sea relatively right up and down environment different from offshore wind farm, and China's offshore wind farm all faces typhoon every year to be threatened.Typhoons " Sang Mei " in 2006 and 2014 Super Typhoon " Wei Maxun " Cangnan County, Zhejiang Province wind energy turbine set, Wenchang, hainan wind energy turbine set and Xuwen, Zhanjiang warrier's wind energy turbine set multiple stage blower fan pole are collapsed, cause significant investment to lose.
At present, in order to resist the loss that typhoon causes offshore wind farm, the measure mainly taked has following two schemes:
(1) thicken blower fan tower barrel wall thickness and strengthen fan blade and the tower cylinder strength of materials, this measure will increase blower fan cost and blower foundation builds difficulty, adds the investment of large-engineering entirety.
(2) adopt guiding control technique, make blower fan head and blade ridge reduce windward side towards typhoon, this measure need provide reliable Positioning Power from outside, has potential safety hazard when marine wind field electric network from collapsing.
Visible, all there is certain limitation in above-mentioned two schemes, is not easy to popularize application in an all-round way.
Model utility content
Based on this, the utility model provides a kind of tower cylinder of wind-driven generator, and it can overcome the defect of prior art, typhoon can be avoided to damage the tower cylinder of wind-driven generator, and cost is low, little investment.
The utility model also provides a kind of wind-driven generator, and it can overcome the defect of prior art, avoids typhoon to cause damage to its blade, and safe and reliable.
Its technological scheme is as follows:
A kind of tower cylinder of wind-driven generator, comprise tower cylinder and lower tower cylinder, described lower tower cylinder has dug receiving cavity downwards from its top, described upper tower cylinder part extend in described receiving cavity, and the lifting mechanism be provided with in described receiving cavity for vertically moving described upper tower cylinder, described upper tower cylinder after lifting is removably fixedly connected with described lower tower cylinder, the described upper tower cylinder after moving down and described lower tower cylinder part socket.
Below further technological scheme is described:
Wherein in an embodiment, the shape of described receiving cavity and the shape of described upper tower cylinder adapt.
Wherein in an embodiment, the shape of described receiving cavity and described upper tower cylinder is cylindrical, and the external diameter of described upper tower cylinder is less than the internal diameter of described receiving cavity.
Wherein in an embodiment, be provided with multiple first positioning hole near top place inside described lower tower cylinder, the outer wall of described upper tower cylinder is provided with multiple flexible positioning pieces that can coordinate with described first positioning hole.
Wherein in an embodiment, be also provided with multiple second positioning hole near middle part and/or bottom place inside described lower tower cylinder, described second positioning hole can coordinate with described flexible positioning piece.
Wherein in an embodiment, the elastic component that described flexible positioning piece comprises detent ball and is fixedly connected with described detent ball, described detent ball can coordinate with described first positioning hole or the second positioning hole.
Wherein in an embodiment, the length of described upper tower cylinder is longer than the length of described lower tower cylinder.
A kind of wind-driven generator, it comprises the tower cylinder of at least two blades and described wind-driven generator, the upper end of described upper tower cylinder is fixed with described blade, the sidewall that described upper tower cylinder is corresponding with described blade is provided with telescopic mechanical arm, the front end of described mechanical arm is provided with clamping part, after arbitrary described blade sinks, after described mechanical arm stretches out, described clamping part can clamp described blade.
Wherein in an embodiment, described upper tower cylinder is hollow-core construction, and its sidewall is provided with opening, and institute's opening is provided with can the Sealing of folding, and described mechanical arm to be fixed in described upper tower cylinder by elastic mechanism and corresponding with described opening.
Wherein in an embodiment, described mechanical arm is provided with strain gauge.
The beneficial effects of the utility model are:
The tower cylinder of above-mentioned wind-driven generator divides tower cylinder and lower tower cylinder two-part, and under normal circumstances, upper tower cylinder is reliably fixedly connected with lower tower cylinder, guarantees the normal operation of wind-driven generator; When typhoon is attacked, described upper tower cylinder is driven to move down by described lifting mechanism, part extend in described lower tower cylinder, thus reduce the height of whole tower cylinder, further, the mode of upper tower cylinder and lower tower cylinder overlap, strengthens the bend resistance intensity of tower cylinder, under the prerequisite not promoting the tower cylinder strength of materials, enhance its wind loading rating; After typhoon terminates, then by the effect of described lifting mechanism upper tower cylinder upwards held and return to normal level, do not affect the normal operation of wind-driven generator.
Above-mentioned wind-driven generator, when typhoon is attacked, after mechanical arm stretches out, can make clamping part and the blade after sinking coordinate, and adopt mechanical mechanism due to it, and clamping part reliably, is firmly held with a firm grip blade, and wind-force can blow to its both sides from blade back; And upper tower cylinder, lower tower cylinder and blade can form three-in-one structure, alleviate tower cylinder top wind-force further, strengthen the anti-typhoon capacity of wind-driven generator top and entirety.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the tower cylinder of wind-driven generator described in the utility model embodiment;
Fig. 2 is the structural representation two of the tower cylinder of wind-driven generator described in the utility model embodiment;
Fig. 3 is the structural representation one of the wind-driven generator described in the utility model embodiment;
Fig. 4 is the sectional view of A-A line in Fig. 3;
Fig. 5 is the structural representation two of the wind-driven generator described in the utility model embodiment;
Fig. 6 is the structural representation three of the wind-driven generator described in the utility model embodiment;
Fig. 7 is the sectional view of B-B line in Fig. 5.
Description of reference numerals:
12, upper tower cylinder, 122, flexible positioning piece, 22, lower tower cylinder, 220, receiving cavity, 222, lifting mechanism, 224, the first positioning hole, the 226, second positioning hole, 228, opening, 229, Sealing, 32, blade, 34, mechanical arm, 342, clamping part, 346, elastic mechanism.
Embodiment
Below embodiment of the present utility model is described in detail:
As shown in Figure 1, a kind of tower cylinder of wind-driven generator, comprise tower cylinder 12 and lower tower cylinder 22, described lower tower cylinder 22 top has dug receiving cavity 220 downwards, described upper tower 12 part extend in described receiving cavity 220, and the lifting mechanism 222 be provided with in described receiving cavity 220 for vertically moving described upper tower cylinder 12, the described upper tower cylinder 12 after lifting is removably fixedly connected with described lower tower cylinder 22, the described upper tower cylinder 12 after moving down and described lower tower cylinder 22 part socket.
The tower cylinder of described wind-driven generator divides tower cylinder 12 and lower tower cylinder 22 two-part, and under normal circumstances, upper tower cylinder 12 is reliably fixedly connected with lower tower cylinder 22, guarantees the normal operation of wind-driven generator; As shown in Figure 2, when typhoon is attacked, drive described upper tower cylinder 12 to move down by described lifting mechanism 222, make tower cylinder 12 part extend in the receiving cavity 220 of described lower tower cylinder 22, thus reduce the height of whole tower cylinder, reduce the value-at-risk that tower cylinder is damaged by typhoon; Further, the mode of upper tower cylinder 12 and lower tower cylinder 22 overlap, strengthens the bend resistance intensity of tower cylinder, under the prerequisite not promoting the tower cylinder strength of materials, enhances its wind loading rating; After typhoon terminates, then by the effect of described lifting mechanism 222 upper tower cylinder 12 upwards held and return to normal level, do not affect the normal operation of wind-driven generator.
As shown in Figure 2, the preferred described lower tower cylinder 22 of the present embodiment is hollow-core construction, described receiving cavity 220 is formed to make its inside at the top borehole of described lower tower cylinder 22, and the size of its opening is not less than the size of the cross section of described upper tower cylinder 12 bottom the widest position, thus make described upper tower cylinder 12 can be partially accommodated in described receiving cavity 220, i.e. described upper tower cylinder 12 and described lower tower cylinder 22 part socket.The shape of described receiving cavity 220 and the shape of described upper tower cylinder 12 adapt.When upper tower cylinder 12 part is nested in described lower tower cylinder 22, make described upper tower cylinder 12 and described lower tower cylinder 22 no-float, structural stability and attractive in appearance.When described upper tower cylinder 12 and described lower tower cylinder 22 are cylindrical, namely the diameter of described receiving cavity 220 is greater than the diameter of described upper tower cylinder 12.
The length of described upper tower cylinder 12 is longer than the length of described lower tower cylinder 22.When upper tower cylinder 12 is embedded in lower tower cylinder 22, upper tower cylinder 12 part exceeds described lower tower cylinder 22, and when upper tower cylinder 12 moves, lifting mechanism 222 does not need to move past high height, guarantees the stability of its structure.Described lifting mechanism 222 is preferably hydraulic cylinder.
As shown in Figures 1 and 2, be provided with multiple first positioning hole 224 near top place inside described lower tower cylinder 22, the outer wall of described upper tower cylinder 12 is provided with multiple flexible positioning pieces 122 that can coordinate with described first positioning hole 224.When described upper tower cylinder 12 moves return to normal level time, namely when described flexible positioning piece 122 is relative with described first positioning hole 224, described flexible positioning piece 122 is stuck in described first positioning hole 224 after can eject, can coordinating simultaneously by multiple flexible positioning piece 122 and the first positioning hole 224, by upper tower cylinder 12 and the fixation of lower tower cylinder 22, the mode that traditional bolt coordinates can be replaced.The setting position of described first positioning hole 224 and the setting position of described flexible positioning piece 122 can as required, and in selection, tower cylinder 12 and lower tower cylinder 22 coordinates the degree of depth.
In like manner, be also provided with multiple second positioning hole 226 near middle part and/or bottom place inside described lower tower cylinder 22, described second positioning hole 226 can coordinate with described flexible positioning piece 122.When described upper tower cylinder 12 part extend in described lower tower cylinder 22, described positioning elastic part 122 move down until relative with described second positioning hole 226 time, positioning elastic part 122 can snap in described second positioning hole 226, and what make that tower cylinder 12 and lower tower cylinder 22 can be firm is fixedly connected with.
Preferred multiple described first positioning hole 224 is located in same level, and the quantity of described flexible positioning piece 122 is equal with described first positioning hole 224, realizes the one_to_one corresponding of flexible positioning piece 122 and the first positioning hole 224.Correspondingly, preferably described second positioning hole 226 is equal with the quantity of described first positioning hole 224, and is located on same vertical curve, upper and lower one_to_one corresponding, flexible positioning piece 122 when relevant position, can be coordinated with the first positioning hole 224 and the second positioning hole 226 on same vertical curve respectively.Preferably the quantity of described first positioning hole 224, second positioning hole 226 and described elastic mechanism 346 is 4-6.
As shown in Figures 3 and 4, a kind of wind-driven generator, it comprises at least two blades 32 and described tower cylinder, the upper end of described upper tower cylinder 12 is fixed with described blade 32, the sidewall that described upper tower cylinder 12 is corresponding with described blade 32 is provided with telescopic mechanical arm 34, and the front end of described mechanical arm 34 is provided with clamping part, after arbitrary described blade 32 sinks, after described mechanical arm 34 stretches out, described clamping part 342 can clamp described blade 32.
The present embodiment is to be provided with three blades 32.As shown in FIG. 6 and 7, described wind-driven generator is when typhoon is attacked, after mechanical arm 34 stretches out, blade 32 after can making clamping part 342 and sinking coordinates, and because it adopts mechanical mechanism, clamping part 342 can reliably, firmly be held with a firm grip blade 32, and wind-force can blow to its both sides from blade 32 back; And upper tower cylinder 12, lower tower cylinder 22 and blade 32 can form three-in-one structure, alleviate tower cylinder top wind-force further, strengthen the anti-typhoon capacity of wind-driven generator top and entirety.And after typhoon terminates, described mechanical arm 34 bounces back, do not affect the normal use of wind-driven generator.
As shown in Fig. 3 and Fig. 7, described upper tower cylinder 12 is hollow-core construction, its sidewall is provided with opening 228, and described opening 228 place is provided with can the Sealing 229 of folding, and described mechanical arm 34 to be fixed in described upper tower cylinder 12 by elastic mechanism 346 and corresponding with described opening 228.When mechanical arm 34 does not use, described elastic mechanism 346 is in contraction state, and mechanical arm 34 is accommodated in described upper tower cylinder 12 by described opening 228 by whole, is closed again, do not affect the outward appearance of tower cylinder in outside by described Sealing 229.
The mating shapes of the side that the shape of described clamping part 342 is relative with described tower cylinder with described blade 32.As shown in Figure 7, which illustrating described blade 32 is streamlined structure, and its side relative with described mechanical arm 34 is provided with protuberance, then described clamping part 342 is provided with the recess relative with described protuberance.
Described mechanical arm 34 arranges strain gauge, described strain gauge can detect mechanical arm 34 and to hold with a firm grip the grip force of blade 32, can this information be sent to supervisory system, and the grip force of reconditioner mechanical arm 34 pairs of blades 32, when the grip force detected meets preset requirement, namely produce leaf position and be positioned to function signal, guarantee that blade 32 can stand to locate the test of typhoon.
Each technical characteristics of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristics in above-described embodiment is not all described, but, as long as the combination of these technical characteristicss does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. the tower cylinder of a wind-driven generator, it is characterized in that, comprise tower cylinder and lower tower cylinder, described lower tower cylinder has dug receiving cavity downwards from its top, described upper tower cylinder part extend in described receiving cavity, and the lifting mechanism be provided with in described receiving cavity for vertically moving described upper tower cylinder, the described upper tower cylinder after lifting is removably fixedly connected with described lower tower cylinder, the described upper tower cylinder after moving down and described lower tower cylinder part socket.
2. the tower cylinder of wind-driven generator according to claim 1, is characterized in that, the shape of described receiving cavity and the shape of described upper tower cylinder adapt.
3. the tower cylinder of wind-driven generator according to claim 1, is characterized in that, the shape of described receiving cavity and described upper tower cylinder is cylindrical, and the external diameter of described upper tower cylinder is less than the internal diameter of described receiving cavity.
4. the tower cylinder of wind-driven generator according to claim 1, is characterized in that, be provided with multiple first positioning hole near top place inside described lower tower cylinder, the outer wall of described upper tower cylinder is provided with multiple flexible positioning pieces that can coordinate with described first positioning hole.
5. according to the tower cylinder asking wind-driven generator according to claim 4, it is characterized in that, be also provided with multiple second positioning hole near middle part and/or bottom place inside described lower tower cylinder, described second positioning hole can coordinate with described flexible positioning piece.
6. the tower cylinder of wind-driven generator according to claim 5, is characterized in that, the elastic component that described flexible positioning piece comprises detent ball and is fixedly connected with described detent ball, and described detent ball can coordinate with described first positioning hole or the second positioning hole.
7. the tower cylinder of the wind-driven generator according to claim 1 to 6 any one, is characterized in that, the length of described upper tower cylinder is longer than the length of described lower tower cylinder.
8. a wind-driven generator, it comprises at least two blades, it is characterized in that, also comprise the tower cylinder of the wind-driven generator as described in claim 1 to 7 any one, the upper end of described upper tower cylinder is fixed with described blade, and the sidewall that described upper tower cylinder is corresponding with described blade is provided with telescopic mechanical arm, the front end of described mechanical arm is provided with clamping part, after arbitrary described blade sinks, after described mechanical arm stretches out, described clamping part can clamp described blade.
9. wind-driven generator according to claim 8, it is characterized in that, described upper tower cylinder is hollow-core construction, and its sidewall is provided with opening, described opening is provided with can the Sealing of folding, and described mechanical arm to be fixed in described upper tower cylinder by elastic mechanism and corresponding with described opening.
10. wind-driven generator according to claim 8, is characterized in that, described mechanical arm is provided with strain gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284570.8U CN204663778U (en) | 2015-05-05 | 2015-05-05 | Wind-driven generator and tower cylinder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284570.8U CN204663778U (en) | 2015-05-05 | 2015-05-05 | Wind-driven generator and tower cylinder thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204663778U true CN204663778U (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284570.8U Withdrawn - After Issue CN204663778U (en) | 2015-05-05 | 2015-05-05 | Wind-driven generator and tower cylinder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204663778U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847600A (en) * | 2015-05-05 | 2015-08-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Wind generator and tower drum thereof |
| CN107084096A (en) * | 2017-06-23 | 2017-08-22 | 深圳市奈士迪技术研发有限公司 | A kind of roof wind-driven generator with wind-shielding function |
| CN107387314A (en) * | 2017-09-04 | 2017-11-24 | 天津超算科技有限公司 | Large arm retracting mechanism and offshore wind generating |
| CN108757338A (en) * | 2018-04-02 | 2018-11-06 | 广州航海学院 | A kind of floating type wind power plant steadily with the blower fan system combated typhoon |
-
2015
- 2015-05-05 CN CN201520284570.8U patent/CN204663778U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847600A (en) * | 2015-05-05 | 2015-08-19 | 中国能源建设集团广东省电力设计研究院有限公司 | Wind generator and tower drum thereof |
| CN104847600B (en) * | 2015-05-05 | 2016-05-04 | 中国能源建设集团广东省电力设计研究院有限公司 | Wind-driven generator and tower cylinder thereof |
| CN107084096A (en) * | 2017-06-23 | 2017-08-22 | 深圳市奈士迪技术研发有限公司 | A kind of roof wind-driven generator with wind-shielding function |
| CN107387314A (en) * | 2017-09-04 | 2017-11-24 | 天津超算科技有限公司 | Large arm retracting mechanism and offshore wind generating |
| CN107387314B (en) * | 2017-09-04 | 2023-09-22 | 山东中能华源海上风电集团有限公司 | Large arm folding mechanism and offshore wind driven generator |
| CN108757338A (en) * | 2018-04-02 | 2018-11-06 | 广州航海学院 | A kind of floating type wind power plant steadily with the blower fan system combated typhoon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150923 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |