CN207686907U - A kind of wind-driven generator flexible tower - Google Patents
A kind of wind-driven generator flexible tower Download PDFInfo
- Publication number
- CN207686907U CN207686907U CN201721801735.XU CN201721801735U CN207686907U CN 207686907 U CN207686907 U CN 207686907U CN 201721801735 U CN201721801735 U CN 201721801735U CN 207686907 U CN207686907 U CN 207686907U
- Authority
- CN
- China
- Prior art keywords
- pylon
- cone cylinder
- wind
- cylinder section
- driven generator
- 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 - Fee Related
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Classifications
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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
-
- 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
- Y02E10/728—Onshore wind turbines
Abstract
The utility model belongs to wind-power electricity generation studying technological domain, more particularly to a kind of wind-driven generator flexible tower, including pylon and the tower vibrations damping unit being arranged in pylon, the pylon is fixedly connected with ground base, pylon is in integrally cone cylinder shape, pylon is connected in sequence by multiple cone cylinder sections, two cone cylinder sections being connected with each other are closely connected with each other, angle between least significant end cone cylinder section and bottom surface basis is α, the top erection tower shock damping device of top cone cylinder section reduces the amplitude of wind powered generator system vibration, the utility model forms pylon using flexible cone cylinder section, substantially reduce pylon cost and weight, convenient transportation, it is reliable and stable, and increase tower vibrations damping unit inside cone cylinder section, it can make unit vibration rapid decay, to reduce the amplitude of system vibration.
Description
Technical field
The invention belongs to wind-power electricity generation studying technological domains, more particularly to a kind of wind-driven generator flexible tower.
Background technology
With the continuous development of wind power technology, the impeller diameter of bigger and higher tower have become the main of Wind Power Development
Trend, the tower height of MW class wind turbine group is generally all more than tens of rice, even more than 100 meters, with height
Rise, the manufacturing cost of tower is significantly increased.
Since rotating vane and cabin part are heavier, pylon is needed to carry out strong support, therefore pylon needs to have
Stronger rigidity, the support forces index such as intensity, material generally select steel material to make.In the present that iron ore rises steadily
It, the price moving quickly upward of steel, the steel that conventional tower uses are more and more, lead to the pylon cost of wind power generating set
It is higher and higher, the cost of wind power plant is thus increased, the development of this green energy resource of wind-power electricity generation is affected.Many institute's weeks
Know, the effect of economic optimization is not fully achieved for conventional tower, up for being taken using a kind of new product the most economical and the most practical
And instead of.
Invention content
For the above technical problems, the present invention provides a kind of wind-driven generator flexible tower, by optimizing pylon
Structure effectively reduces cost of wind power generation.
The purpose of the present invention is achieved through the following technical solutions：
A kind of wind-driven generator flexible tower of the present invention, including pylon and the tower vibrations damping dress that is arranged in pylon
It sets, the pylon is fixedly connected with ground base, and pylon is in integrally cone cylinder shape, and pylon is connected in sequence by multiple cone cylinder sections,
Two cone cylinder sections being connected with each other, which cooperate, to be connected, and tower vibrations damping unit is connected at the top of top cone cylinder section, with
Reduce the amplitude of wind powered generator system vibration.
Preferably, the tower vibrations damping unit includes being placed in the tubing string in tower, being connected in top cone cylinder section
At least three bolster on wall, the multiple bolster correspond to each buffering along cone cylinder section circumference uniform distribution, tubing string top circumference
Part is respectively arranged with pulley, and the pulley that bolster is arranged by steel wire rope pile warp tubing string circumference respectively is connected to the ground in pylon
On.
Preferably, connecting partition is arranged in the adjacent two cone cylinders internode, and the setting of shock damping device is multiple, is respectively arranged at
In the cone cylinder section of each section or more piece pylon.
Preferably, the shock damping device includes tubing string, at least three bolster, pulley and steel wire rope, the tubing string top
Each bolster is corresponded on portion's circumference and is respectively arranged with pulley, and multiple bolsters are along tubing string circumference uniform distribution, the connection of bolster one end
In the top inner wall of cone cylinder section, the other end is connected to the bottom connecting partition in cone cylinder section by steel wire rope pile warp pulley respectively
On.
Preferably, the bolster is made of hydraulic cylinder, spring I and two baffles, in the piston end and cylinder body of hydraulic cylinder
End is respectively arranged with baffle, and spring I is arranged between two baffles outside hydraulic cylinder, slow by spring I when hydraulic cylinder piston stretches
Its stretching speed is rushed, pylon balance is kept.
Preferably, the spring I is by being arranged between two end-stopping plates at least two springs being arranged along hydraulic cylinder even circumferential
II replaces, and with the stretching speed of damper piston, keeps pylon balance.
Preferably, it is 80~90 ° that the angle between the least significant end cone cylinder section and bottom surface basis, which is α,.
Preferably, acceleration transducer is set inside the top cone cylinder section, acceleration transducer is connect with host, is supervised
Vibration data is surveyed, the control system of host is transmitted to.
Preferably, the tower height is 110-140m.
Preferably, the cone cylinder section is arranged five to six, passes through flanged joint between adjacent cone cylinder section.
Beneficial effects of the present invention are：
1, the present invention forms pylons using multiple flexible cone cylinder sections, substantially reduces pylon cost and weight, convenient transportation, steady
It is fixed reliable.
2, tower vibrations damping unit is arranged in flexible tower structure of the present invention inside cone cylinder section, and unit vibration can be made fast
Speed decaying, to reduce the amplitude of system vibration.Tower vibrations damping unit is coordinated using hydraulic cylinder and returning spring, and every
It is provided with adjustable pressure-reducing valve on the oil inlet pipe and oil outlet pipe of a hydraulic cylinder, adjustment oil can be changed according to extraneous wind-force
Road pressure, that is, adjust the antivibration power of pylon, make the elastic force of antivibration and reply more scientific and reasonable.
3, the real-time monitoring vibration data of acceleration transducer are arranged in flexible tower of the present invention inside cone cylinder section, and feed back to
Engine control system, such as appearance vibration is excessive, and triggering theft-resistant link chain is shut down, unit safety is protected.
Description of the drawings
Fig. 1 is the structural schematic diagram of flexible tower of the present invention.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 3 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 4 is shock damping device schematic cross-section of the present invention.
Fig. 5 is the hydraulic cylinder schematic circuit of Fig. 4.
Wherein：1. blade, 2. hosts, 3. shock damping devices, 31. hinges, 32. bolsters, 321. baffles, 322. bullets
Spring, 323. hydraulic cylinders, 33. pulleys, 34. steel wire ropes, 35. tubing strings, 4. flanges, 5. cone cylinder sections, 6. fuel tanks, 7. overflow valves.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1：A kind of wind-driven generator flexible tower, including pylon and be arranged in pylon tower vibrations damping
Device, the pylon are fixedly connected with ground base, and pylon is in integrally cone cylinder shape, pylon be sequentially connected by multiple cone cylinder sections and
At two cone cylinder sections of interconnection are closely connected with each other, and substantially reduce pylon cost and weight, convenient transportation, stabilization
Reliably, tower height 110-140m, the angle between least significant end cone cylinder section and bottom surface basis are that α is 80~90 °, the present embodiment
120m is arranged in middle pylon structure, is arranged five cone cylinder sections, by flanged joint between adjacent cone cylinder section, least significant end cone cylinder section with
88 ° of angles are selected between the basis of bottom surface, tower vibrations damping unit is connected at the top of top cone cylinder section reduces wind-power electricity generation
The amplitude of machine system vibration.
Wherein, as shown in Figure 2, Figure 4 shows, the tower vibrations damping unit 3 includes the tubing string 35 being placed in pylon, is connected to
5 bolsters, 32,5 bolsters 32 on top cone cylinder section inner wall are along cone cylinder section circumference uniform distribution, 35 top circumference of tubing string
Corresponding each bolster 32 is respectively arranged with pulley 33, what bolster 32 was arranged by 34 pile warp tubing string of steel wire rope, 35 circumference respectively
Pulley 33 is connected on the ground in pylon, is connected by foundation bolt.Top unit vibration is transmitted by bolster along tubing string
To pylon ground, unit vibration rapid decay can be made, to reduce the amplitude of system vibration.
The bolster 32 is made of hydraulic cylinder 323, spring I 322 and two baffles 321, in the piston end of hydraulic cylinder 323
It is respectively arranged with baffle 321 with cylinder body end, spring I 322 is set between two baffles 321 outside hydraulic cylinder 323, in hydraulic cylinder
When 323 pistons stretch, its stretching speed is buffered by spring I 322, keeps the balance of pylon.
It is illustrated in figure 5 the schematic circuit of the hydraulic cylinder 323, multiple hydraulic cylinders 323 therein are connected in parallel in oil
Case 6, is provided with adjustable pressure-reducing valve 7 on the oil inlet pipe and oil outlet pipe of each hydraulic cylinder 323, and adjustable pressure-reducing valve 7 can be with
Change adjustment oil circuit pressure, that is, the antivibration power of adjustment pylon according to extraneous wind-force, makes the elastic force of antivibration and reply more scientific
Rationally.
Acceleration transducer is set inside top cone cylinder section, acceleration transducer is connect with host, monitoring vibration data,
It is transmitted to the control system of host.By adding acceleration transducer, real-time monitoring vibration data, and feedback data gives host control
System processed, such as appearance vibration is excessive, and triggering theft-resistant link chain is shut down, unit safety is protected.
Embodiment 2：The present embodiment difference from example 1 is that, in the present embodiment pylon structure be arranged 140m,
Six cone cylinder sections are set, 89 ° of folders are selected by flanged joint, between top cone cylinder section and bottom surface basis between adjacent cone cylinder section
Angle.
As shown in figure 3, connecting flange 4 is set between adjacent two cone cylinders section 5 described in this example, setting one in each pitch cone shell ring 5
A shock damping device.The shock damping device includes 35,3 bolsters 32 of tubing string, pulley 33 and steel wire rope 34, the pipe
Correspond to each bolster 32 in 35 top circumference of column and be respectively arranged with pulley 33, multiple bolsters 32 along 35 circumference uniform distribution of tubing string,
32 one end of bolster is connected in the top inner wall of cone cylinder section 5, and the other end is connected to by 34 pile warp pulley 33 of steel wire rope respectively
On flange in the bottom 4 in cone cylinder section 5.
Embodiment 3：The present embodiment difference from example 1 is that, in the present embodiment pylon structure be arranged 110m,
5 cone cylinder sections 5 are set, is connected by flange 4 between adjacent cone cylinder section 5, is selected between top cone cylinder section 5 and bottom surface basis
85 ° of angles.
Connecting flange 4 is set between adjacent two cone cylinders section 5 described in this example, a shock damping is set in every two pitch cones shell ring 5
Device 3.The shock damping device includes 35,4 bolsters 32 of tubing string, pulley 33 and steel wire rope 34,35 top of the tubing string
Each bolster 32 is corresponded on circumference and is respectively arranged with pulley 33, and multiple bolsters 32 are along 35 circumference uniform distribution of tubing string, bolster 32
One end is connected in the top inner wall of cone cylinder section 5, and the other end is connected to by 34 pile warp pulley 33 of steel wire rope in cone cylinder section 5 respectively
Flange in the bottom 4 on.
This example is that at least two springs II are arranged along 323 even circumferential of hydraulic cylinder between two end-stopping plates 321, with damper piston
Stretching speed, it is unlikely so that pylon is tilted by external force because flexible too fast, keep pylon all directions strength steadily balanced.
The shock damping device 3 being arranged in heretofore described cone cylinder section 5, can determine several cones according to actual demand
Shell ring is arranged one.
The above description is merely a specific embodiment, when cannot be limited the scope of implementation of the present invention with this, it is all according to
Equivalent variations made by the present invention and modification, should all belong to the scope of protection of the present invention.
Claims (10)
1. a kind of wind-driven generator flexible tower, which is characterized in that hindered including pylon and the tower vibrations being arranged in pylon
Buddhist nun's device, the pylon are fixedly connected with ground base, and pylon is in integrally cone cylinder shape, pylon be sequentially connected by multiple cone cylinder sections and
At, two cone cylinder sections of interconnection, which cooperate, to be connected, and tower vibrations damping unit is connected at the top of top cone cylinder section,
To reduce the amplitude of wind powered generator system vibration.
2. wind-driven generator flexible tower according to claim 1, which is characterized in that the tower vibrations damping unit includes
At least three bolster for being placed in the tubing string in tower, being connected on top cone cylinder section inner wall, multiple bolsters are along cone cylinder pitch circle
Zhou Junbu corresponds to each bolster in tubing string top circumference and is respectively arranged with pulley, and bolster passes through steel wire rope pile warp pipe respectively
The pulley of column circumference setting is connected on the ground in pylon.
3. wind-driven generator flexible tower according to claim 2, which is characterized in that adjacent two cone cylinders internode setting connection every
Plate, the setting of shock damping device is multiple, is respectively arranged in the cone cylinder section of each section or more piece pylon.
4. wind-driven generator flexible tower according to claim 3, which is characterized in that the shock damping device includes pipe
Column, at least three bolster, pulley and steel wire rope correspond to each bolster in the tubing string top circumference and are respectively arranged with pulley,
Multiple bolsters are connected to along tubing string circumference uniform distribution, bolster one end in the top inner wall of cone cylinder section, and the other end passes through steel respectively
Cord pile warp pulley is connected on the bottom connecting partition in cone cylinder section.
5. according to any wind-driven generator flexible towers of claim 2-4, which is characterized in that the bolster is by hydraulic pressure
Cylinder, spring I and two baffles are constituted, and baffle is respectively arranged in the piston end and cylinder body end of hydraulic cylinder, two gear outside hydraulic cylinder
Spring I is set between plate, when hydraulic cylinder piston stretches, its stretching speed is buffered by spring I, keeps pylon balance.
6. wind-driven generator flexible tower according to claim 5, which is characterized in that the spring I is by being arranged in two terminal blocks
At least two springs II between plate along the setting of hydraulic cylinder even circumferential replace, and with the stretching speed of damper piston, keep pylon flat
Weighing apparatus.
7. wind-driven generator flexible tower according to claim 1, which is characterized in that least significant end cone cylinder section and bottom surface basis
Between angle be α be 80~90 °.
8. wind-driven generator flexible tower according to claim 1, which is characterized in that setting inside the top cone cylinder section
Acceleration transducer, acceleration transducer are connect with host, and monitoring vibration data are transmitted to the control system of host.
9. wind-driven generator flexible tower according to claim 1, which is characterized in that the tower height is 110-140m.
10. wind-driven generator flexible tower according to claim 1, which is characterized in that the cone cylinder section is arranged five to six,
Pass through flanged joint between adjacent cone cylinder section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721801735.XU CN207686907U (en) | 2017-12-21 | 2017-12-21 | A kind of wind-driven generator flexible tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721801735.XU CN207686907U (en) | 2017-12-21 | 2017-12-21 | A kind of wind-driven generator flexible tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207686907U true CN207686907U (en) | 2018-08-03 |
Family
ID=62994794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721801735.XU Expired - Fee Related CN207686907U (en) | 2017-12-21 | 2017-12-21 | A kind of wind-driven generator flexible tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207686907U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005860A (en) * | 2017-12-21 | 2018-05-08 | 沈阳华创风能有限公司 | A kind of wind-driven generator flexible tower |
| CN110735767A (en) * | 2019-09-18 | 2020-01-31 | 浙江运达风电股份有限公司 | flexible tower wind-induced vibration flow disturbing device of retractable wind generating set |
-
2017
- 2017-12-21 CN CN201721801735.XU patent/CN207686907U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005860A (en) * | 2017-12-21 | 2018-05-08 | 沈阳华创风能有限公司 | A kind of wind-driven generator flexible tower |
| CN110735767A (en) * | 2019-09-18 | 2020-01-31 | 浙江运达风电股份有限公司 | flexible tower wind-induced vibration flow disturbing device of retractable wind generating set |
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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: 20180803 Termination date: 20181221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |