CN104747385A - Wind turbine generator set tower laminated annular rubber vibration isolation device - Google Patents
Wind turbine generator set tower laminated annular rubber vibration isolation device Download PDFInfo
- Publication number
- CN104747385A CN104747385A CN201510109158.7A CN201510109158A CN104747385A CN 104747385 A CN104747385 A CN 104747385A CN 201510109158 A CN201510109158 A CN 201510109158A CN 104747385 A CN104747385 A CN 104747385A
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- steel plate
- ring
- rubber
- layer
- connecting ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/913—Mounting on supporting structures or systems on a stationary structure on a mast
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
- F05B2260/964—Preventing, counteracting or reducing vibration or noise by damping means
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- Wind Motors (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a wind turbine generator set tower laminated annular rubber vibration isolation device. The wind turbine generator set tower laminated annular rubber vibration isolation device comprises transition sections, connecting rings, rubber layers, steel plate layers and high-strength bolts or comprises transition sections, connecting rings, rubber layers, steel plate layers, high-strength bolts, sealing rings and countersunk bolts. A laminated annular rubber part is formed by alternate overlap and vulcanization of the annular rubber layers and the annular steel plate layers, the thickness of each steel plate layer is 0.5-0.8 time the thickness of each rubber layer, and the laminated annular rubber part is divided into a steel plate exposed type and a steel plate built-in type according to the size relation between the radial direction widths of the steel plate layers and the radial direction widths of the rubber layers. The connection mode between the laminated annular rubber part and the connecting rings is a connecting ring integrated type and a connecting ring and sealing ring combined type, wherein for the former, the connecting rings are directly connected with rubber in a vulcanization mode, for the latter, firstly the sealing rings are connected with the laminated annular rubber part in a vulcanization mode, and then the connecting rings are connected with the sealing rings through the countersunk bolts. The wind turbine generator set tower laminated annular rubber vibration isolation device is novel in conception, simple in structure, and convenient to operate.
Description
Technical field
The invention belongs to technical field of structural engineering, be specifically related to a kind of wind-power generating unit tower lamination annular rubber vibration isolation device.
Background technique
Along with the increase of the size of population, the energy and environment become the two large subject matters that current people face.Wind energy, as a kind of special shape of solar energy, has the features such as clean, renewable, widely distributed, therefore develops and utilize wind energy power to solve an important channel of this two large problems beyond doubt.Since nearly ten years, world's Wind Power Development is rapid, and Wind Power In China is taken the lead in race the world, and ended for the end of the year 2013, Wind Power In China total installation of generating capacity has reached 91412MW, within continuous 5 years, continues to hold a post or title first.Wind power generation stepped is a kind of special construction, and the rotating circulating effect of fan blade can produce cycle dynamic load to tower cylinder, also may produce strong vibration under the effect of wind loads simultaneously.The development trend of current wind-powered electricity generation, on the one hand, for obtaining larger power capacity, the power of blower fan constantly increases, cause its size and weight all to increase considerably, running to the parts such as cabin and impeller be lifted the larger design height place of wind speed, needing to adopt higher support tower.On the other hand, wind-powered electricity generation starts to develop from land to sea, and increasing Wind Power Plant at Sea is established in succession, relative to land wind-powered electricity generation, Oversea wind power generation tower not only will be subject to stronger wind action, also can be subject to the effect such as Ice-excited vibration in wave, tide and northern marine site.These two kinds of trend finally all likely make wind power generation stepped vibration more serious, and the maximum harm of wind-power electricity generation tower vibrations is exactly make tower cylinder connection part and some cabin components on it produce fatigue ruption, the intensity of pylon material reduces greatly, shortens pylon working life.
At present, the technology in wind power generation stepped vibration control mainly installs damper at tower body, by the vibration frequency of damper with the vibration frequency of structure is tuning realizes vibration damping.According to the design principle of shock-proof device in house architectural structure, the present invention proposes a kind of lamination annular rubber vibration isolation device, realizes wind power generation stepped vibration control from the angle of vibration isolation.
Summary of the invention
The object of the present invention is to provide a kind of wind-power generating unit tower lamination annular rubber vibration isolation device, for reducing the vibration of large-scale wind generating tower.
The device that the present invention proposes is arranged on bottom, cabin, connect cabin and tower cylinder, by the vibration isolation effect of device, weaken the top that in cabin, mechanical device and blade rotation cause on the one hand and vibrate going down to pylon, on the other hand under isolation geological process, ground motion, on the impact of cabin and blade, extends the fatigue life of unit part.
Wind-driven generator shelving stacked ring shape rubber vibration isolation device provided by the invention, comprise changeover portion 1, connecting ring 4, rubber layer 5 and steel plate layer 6, wherein: described rubber layer 5 and steel plate layer 6 are loop configuration, the alternately superposition of annular rubber layer 5 and doughnut-shaped steel plate layer 6, pass through sulfuration, obtain lamination ring-shaped rubber part, described connecting ring 4 is two, be positioned at bottom connecting ring 4 above and be provided with the first projection, connecting ring 4 top be positioned at below is provided with the second projection, described lamination ring-shaped rubber part is between the first projection and the second projection, described lamination ring-shaped rubber part and two connecting rings are linked into an integrated entity by sulfuration, form connecting ring one-piece type, described steel plate layer 6 thickness is 0.5-0.8 times of rubber layer 5 thickness, according to the radial width of steel plate layer and the magnitude relationship of rubber layer radial width, the width of steel plate layer can be greater than the width of rubber layer, form steel plate exposed type, or the width of steel plate layer can be less than the width of rubber layer, form steel plate internally-arranged type, connecting ring 4 top be positioned at above is connected with cabin flange in the bottom by superposed changeover portion 1, is positioned at bottom connecting ring 4 below and is connected with tower drum flange by the changeover portion 1 being positioned at bottom.
The wind-driven generator shelving stacked ring shape rubber vibration isolation device that the present invention proposes, comprise changeover portion 1, connecting ring 4, rubber layer 5, steel plate layer 6, seal ring 8 and flush bolt 9, wherein: described rubber layer 5 and steel plate layer 6 are loop configuration, the alternately superposition of annular rubber layer 5 and doughnut-shaped steel plate layer 6, pass through sulfuration, obtain lamination ring-shaped rubber part, described connecting ring 4 is two, be positioned at bottom connecting ring 4 above and be provided with the first groove, connecting ring 4 top be positioned at below is provided with the second groove, described lamination ring-shaped rubber part top is fixed in the first groove by seal ring 8 and flush bolt 9, be fixed in the second groove by seal ring 8 and flush bolt 9 bottom described lamination ring-shaped rubber part, described lamination ring-shaped rubber part and two seal rings are linked into an integrated entity by sulfuration, forming connecting ring seals up ring-like, described steel plate layer 6 thickness is 0.5-0.8 times of rubber layer thickness, according to the radial width of steel plate layer and the magnitude relationship of rubber layer radial width, the width of steel plate layer can be greater than the width of rubber layer, form steel plate exposed type, or the width of steel plate layer can be less than the width of rubber layer, form steel plate internally-arranged type, connecting ring 4 top be positioned at above is connected with cabin flange in the bottom by superposed changeover portion 1, is positioned at bottom connecting ring 4 below and is connected with tower drum flange by the changeover portion 1 being positioned at bottom.
In the present invention, changeover portion and the requirement of connecting ring demand fulfillment strength and stiffness, transition section length, rubber types, the number of plies and thickness and steel plate thickness, need calculate according to blower fan model and expection vibration isolating effect etc. and determine.
In the present invention, steel layer need carry out preservative treatment, and lamination ring-shaped rubber part need add protective layer.
The present invention, to the vibration control Be very effective of Large-scale Wind Turbines pylon, has following beneficial effect:
1. cabin, wind power generation stepped top, blade and the isolation of bottom tower cylinder are got up by the present invention, by changing the parameters such as the kind of rubber, the number of plies and thickness, can regulate the rigidity of lamination ring-shaped rubber, thus it is controlled that the natural frequency of vibration of cabin and blade is realized.By the adjustment to the natural frequency of vibration, it can be made to avoid easily causing the section of resonance, reduce the generation of this judder of resonance from source.
2. due to the rotating circulating effect of wind loads and fan blade, the vibration of cabin and blade can not be avoided completely, the present invention utilizes the vibration isolation principle of lamination ring-shaped rubber, effectively can weaken top vibration going down, thus reduce the fatigue stress level at the positions such as tower cylinder, flange, basis, extending structure fatigue life.
3. the present invention can also weaken the impact of substructure vibration on cabin, blade caused by earthquake, ice load, wave load etc. simultaneously, and the devices such as the equipment in cabin, blade are remained intact under the extreme operating conditions such as earthquake.
4. there is large-diameter central hole inside of the present invention, does not take tower cylinder inner space, does not affect miscellaneous equipment in tower cylinder and installs and pipe installation.
Accompanying drawing explanation
Fig. 1 is mounting point of the present invention schematic diagram.
Fig. 2 is front view of the present invention.
Fig. 3 is sectional drawing of the present invention.
Fig. 4 is fragmentary detail view of the present invention, connecting ring one, plate exposure type.
Fig. 5 is fragmentary detail view of the present invention, and connecting ring adds seal ring, steel plate internally-arranged type.
Number in the figure: 1 be changeover portion, 2 be cabin, 3 be tower cylinder, 4 be connecting ring, 5 be rubber layer, 6 be steel plate layer, 7 be high-strength bolt, 8 be seal ring, 9 for flush bolt.
Embodiment
Below by preferred embodiments and drawings, technical solution of the present invention is further described.
Embodiment 1: described device comprises changeover portion 1, connecting ring 4, rubber layer 5, steel plate layer 6 and high-strength bolt 7, participate in Fig. 3 and Fig. 4, or comprise changeover portion 1, connecting ring 4, rubber layer 5, steel plate layer 6, high-strength bolt 7, seal ring 8 and flush bolt 9, see Fig. 3 and Fig. 5.Lamination ring-shaped rubber part is alternately formed by stacking by annular rubber layer 5 and doughnut-shaped steel plate layer 6, by vulcanization, makes both closely be connected.The thickness of steel plate layer 6 is 0.5 ~ 0.8 times of rubber layer 5 thickness, according to the radial width of steel plate layer 6 and the magnitude relationship of rubber layer 5 radial width, can be divided into steel plate exposed type and steel plate internally-arranged type.The mode that lamination ring-shaped rubber part is connected with connecting ring can be divided into connecting ring one-piece type (Fig. 4) and connecting ring to seal up ring-like (Fig. 5), the former is directly connected with the vulcanization of rubber by connecting ring, the latter's seal ring is first connected with the sulfuration of lamination ring-shaped rubber part, and then connecting ring is connected by flush bolt with seal ring again.Above-mentioned two kinds of steel plate forms and two kinds of connecting ring forms, can be optional wherein a kind of according to process conditions, four kinds of combined situation altogether.Lamination annular rubber layer and connecting ring shaping after, be connected with cabin flange in the bottom by top changeover portion, be connected with tower drum flange by lower transition section.
The present invention is the lamination annular rubber vibration isolation device being applicable to large-scale wind generating tower.In actual use, the thickness of the number of plies, thickness and the steel plate determining rubber is first calculated according to the model, place load situation, expection vibration isolating effect etc. of planning to build blower fan, the rigidity of lamination ring-shaped rubber will meet the deformation requirements under various operating mode on the one hand, vibration isolation effect will be made to get a desired effect on the other hand.Determine Placement (Fig. 4 and Fig. 5) and the thickness of connecting ring, Placement will ensure to connect reliably, and thickness will meet strength and stiffness requirement.Determine the length of changeover portion, be of the present inventionly installed as suitable to facilitate, changeover portion wall thickness is generally consistent with adjacent towers cylinder, and the flange of changeover portion will guarantee to be connected with adjacent towers cylinder or cabin.The factory that is produced on of the present invention completes.During construction, complete the installation of final section tower cylinder by general wind power generation stepped work progress, after then changeover portion, connecting ring, lamination ring-shaped rubber being assembled, cabin, blade, to final section tower cylinder top, are finally connected with upper changeover portion by integral installation.So far, installment work of the present invention is completed.
Claims (4)
1. a wind-driven generator shelving stacked ring shape rubber vibration isolation device, comprise changeover portion (1), connecting ring (4), rubber layer (5) and steel plate layer (6), it is characterized in that: described rubber layer (5) and steel plate layer (6) are loop configuration, the alternately superposition of annular rubber layer (5) and doughnut-shaped steel plate layer (6), pass through sulfuration, obtain lamination ring-shaped rubber part, described connecting ring (4) is two, connecting ring (4) bottom be positioned at above is provided with the first projection, connecting ring (4) top be positioned at below is provided with the second projection, described lamination ring-shaped rubber part is between the first projection and the second projection, described lamination ring-shaped rubber part and two connecting rings are linked into an integrated entity by sulfuration, form connecting ring one-piece type, described steel plate layer (6) thickness is 0. 5-0.8 times of rubber layer (5) thickness, according to the radial width of steel plate layer and the magnitude relationship of rubber layer radial width, the width of steel plate layer can be greater than the width of rubber layer, form steel plate exposed type, or the width of steel plate layer can be less than the width of rubber layer, form steel plate internally-arranged type, connecting ring (4) top be positioned at above is connected with cabin flange in the bottom by superposed changeover portion (1), and connecting ring (4) bottom be positioned at below is connected with tower drum flange by the changeover portion (1) being positioned at bottom.
2. a wind-driven generator shelving stacked ring shape rubber vibration isolation device, comprise changeover portion (1), connecting ring (4), rubber layer (5), steel plate layer (6), seal ring (8) and flush bolt (9), it is characterized in that: described rubber layer (5) and steel plate layer (6) are loop configuration, the alternately superposition of annular rubber layer (5) and doughnut-shaped steel plate layer (6), pass through sulfuration, obtain lamination ring-shaped rubber part, described connecting ring (4) is two, connecting ring (4) bottom be positioned at above is provided with the first groove, connecting ring (4) top be positioned at below is provided with the second groove, described lamination ring-shaped rubber part top is fixed in the first groove by seal ring (8) and flush bolt (9), be fixed in the second groove by seal ring (8) and flush bolt (9) bottom described lamination ring-shaped rubber part, described lamination ring-shaped rubber part and two seal rings are linked into an integrated entity by sulfuration, forming connecting ring seals up ring-like, described steel plate layer (6) thickness is 0.5-0.8 times of rubber layer thickness, according to the radial width of steel plate layer and the magnitude relationship of rubber layer radial width, the width of steel plate layer can be greater than the width of rubber layer, form steel plate exposed type, or the width of steel plate layer can be less than the width of rubber layer, form steel plate internally-arranged type, connecting ring (4) top be positioned at above is connected with cabin flange in the bottom by superposed changeover portion (1), and connecting ring (4) bottom be positioned at below is connected with tower drum flange by the changeover portion (1) being positioned at bottom.
3. wind-driven generator shelving stacked ring shape rubber vibration isolation device according to claim 1 and 2, it is characterized in that: changeover portion and the requirement of connecting ring demand fulfillment strength and stiffness, transition section length, rubber types, the number of plies and thickness and steel plate thickness, need calculate according to blower fan model and expection vibration isolating effect etc. and determine.
4. wind-driven generator shelving stacked ring shape rubber vibration isolation device according to claim 1 and 2, is characterized in that: steel layer need carry out preservative treatment, and lamination ring-shaped rubber part need add protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109158.7A CN104747385A (en) | 2015-03-13 | 2015-03-13 | Wind turbine generator set tower laminated annular rubber vibration isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510109158.7A CN104747385A (en) | 2015-03-13 | 2015-03-13 | Wind turbine generator set tower laminated annular rubber vibration isolation device |
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| Publication Number | Publication Date |
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| CN104747385A true CN104747385A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510109158.7A Pending CN104747385A (en) | 2015-03-13 | 2015-03-13 | Wind turbine generator set tower laminated annular rubber vibration isolation device |
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| CN (1) | CN104747385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244594A (en) * | 2015-11-03 | 2016-01-13 | 衡水通广塔业有限公司 | DVOR (Doppler Vor) omnidirectional range reflective net antenna damping system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04246281A (en) * | 1991-01-31 | 1992-09-02 | Mitsubishi Heavy Ind Ltd | Vibrationproof type wind power generator |
| CN1644956A (en) * | 2005-03-14 | 2005-07-27 | 北京工业大学 | Electric rheologic composite laminated rubber bases |
| CN2727279Y (en) * | 2004-09-01 | 2005-09-21 | 广州大学 | Three-dimensional rubber shake-insulating holder |
| CN200975036Y (en) * | 2006-10-13 | 2007-11-14 | 北京工业大学 | Bidirectional shearing type vibrating device |
| CN201722601U (en) * | 2010-06-30 | 2011-01-26 | 江苏扬州合力橡胶制品有限公司 | Vibration isolating bridge bearing |
| CN102146975A (en) * | 2011-01-27 | 2011-08-10 | 同济大学 | Damping device and wind power generation tower using same |
| CN202176022U (en) * | 2011-07-05 | 2012-03-28 | 上海建筑设计研究院有限公司 | Vibration damping and shock insulation supporting seat |
| CN202402220U (en) * | 2011-12-16 | 2012-08-29 | 江苏金锋佳特机电有限公司 | Damping wind power generation tower |
| CN204041364U (en) * | 2014-07-02 | 2014-12-24 | 湘电风能有限公司 | A kind of blower fan tower barrel linkage structure |
-
2015
- 2015-03-13 CN CN201510109158.7A patent/CN104747385A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04246281A (en) * | 1991-01-31 | 1992-09-02 | Mitsubishi Heavy Ind Ltd | Vibrationproof type wind power generator |
| CN2727279Y (en) * | 2004-09-01 | 2005-09-21 | 广州大学 | Three-dimensional rubber shake-insulating holder |
| CN1644956A (en) * | 2005-03-14 | 2005-07-27 | 北京工业大学 | Electric rheologic composite laminated rubber bases |
| CN200975036Y (en) * | 2006-10-13 | 2007-11-14 | 北京工业大学 | Bidirectional shearing type vibrating device |
| CN201722601U (en) * | 2010-06-30 | 2011-01-26 | 江苏扬州合力橡胶制品有限公司 | Vibration isolating bridge bearing |
| CN102146975A (en) * | 2011-01-27 | 2011-08-10 | 同济大学 | Damping device and wind power generation tower using same |
| CN202176022U (en) * | 2011-07-05 | 2012-03-28 | 上海建筑设计研究院有限公司 | Vibration damping and shock insulation supporting seat |
| CN202402220U (en) * | 2011-12-16 | 2012-08-29 | 江苏金锋佳特机电有限公司 | Damping wind power generation tower |
| CN204041364U (en) * | 2014-07-02 | 2014-12-24 | 湘电风能有限公司 | A kind of blower fan tower barrel linkage structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244594A (en) * | 2015-11-03 | 2016-01-13 | 衡水通广塔业有限公司 | DVOR (Doppler Vor) omnidirectional range reflective net antenna damping system |
| CN105244594B (en) * | 2015-11-03 | 2018-09-28 | 衡水通广塔业有限公司 | DVOR nodirectional beacon reflector net antenna shock mitigation systems |
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Application publication date: 20150701 |