CN207048902U - Damper for the pylon of wind power generating set and the pylon including it - Google Patents

Damper for the pylon of wind power generating set and the pylon including it Download PDF

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Publication number
CN207048902U
CN207048902U CN201721028649.XU CN201721028649U CN207048902U CN 207048902 U CN207048902 U CN 207048902U CN 201721028649 U CN201721028649 U CN 201721028649U CN 207048902 U CN207048902 U CN 207048902U
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CN
China
Prior art keywords
main body
pylon
bag main
damper
connector
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Active
Application number
CN201721028649.XU
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Chinese (zh)
Inventor
邢赢
张晓曼
李双虎
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Priority to CN201721028649.XU priority Critical patent/CN207048902U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

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  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The utility model provides a kind of damper of pylon for wind power generating set and includes its pylon, and the damper includes:Bag main body, in the bag-shaped of closing, accommodates liquid in the bag main body, the bottom of the bag main body is provided with fluid passage, to add liquid into the bag main body by the fluid passage or discharge liquid from the bag main body;Connector, one end of the connector are connected to the top of the bag main body, and the other end of the connector is connected to the pylon., can be easily disassembled according to damper of the present utility model.In addition, compared with traditional solid masses block, liquid cost in damper of the present utility model is cheap, cost of transportation is low, and storage, carry etc. when can not be by volumetric constraint.

Description

Damper for the pylon of wind power generating set and the pylon including it
Technical field
Wind power generating set field is the utility model is related to, specifically, is related to a kind of tower for wind power generating set The damper of frame and the pylon including the damper.
Background technology
The pylon of wind power generating set generally includes multistage pylon.When lifting pylon, blow air over pylon and apply to pylon Incentive action, when the frequency of wind excitation is close with the intrinsic frequency of pylon, pylon can produce vortex-induced vibration.
If pylon produces vortex-induced vibration, in the cabin on erection tower cabin can be caused can not to be aligned with pylon. Therefore, TMD (tuned mass damper, TMD) is installed when lifting pylon, it is necessary on pylon, so as to avoid or mitigate pylon Vibration, in favor of installing cabin.
Generally, when lifting pylon, TMD mass is lifted into tower top position, complete machine complete lifting after need by Mass is dismantled and removes pylon.
In order to preferably absorb energy, the transfer of energy is carried out, the quality of the mass in TMD is at least the single order of pylon The 1-2% of effective mass.The single order effective mass of pylon is commonly considered as about the 1/3 of the gross mass of pylon.Pylon typically compared with Weight, for example, the quality of hundred meters of pylons is typically in more than 200t, pylon higher than 100m (such as 120m, 140m or 160m tower Frame) quality it is bigger.Therefore, need 1-2t mass being lifted into tower top position in lifting, after complete machine completes lifting Need to dismantle mass again and remove pylon.
Many inconveniences can be brought to site operation in the so big mass of lifting quality, for example, not only laborious It is time-consuming, once and mass swing hit pylon, pylon can also be damaged.Furthermore, it is necessary to prepare mass in workshop, And transport mass to scene, cause cost of transportation to increase.
Utility model content
The purpose of this utility model is to provide a kind of damper of pylon for wind power generating set and including the resistance The pylon of Buddhist nun's device, the damper may replace TMD of the prior art to absorb the vibration of pylon.
According to one side of the present utility model, there is provided a kind of damper of pylon for wind power generating set, the resistance Buddhist nun's device may include:Bag main body, in the bag-shaped of closing, accommodates liquid, the bottom of the bag main body is provided with the bag main body Fluid passage, to add liquid into the bag main body by the fluid passage or discharge liquid from the bag main body;Connection Part, one end of the connector are connected to the top of the bag main body, and the other end of the connector is connected to the pylon.
Alternatively, the damper may also include:Supporting construction, the periphery of the bag main body is surrounded, to support the bag Main body, wherein, described one end of the connector is connected to the top of the bag main body by the supporting construction.
Alternatively, the supporting construction may include:A plurality of band, the periphery of the bag main body is wound, and respectively described The top and the bottom of bag main body are met one another;Apical grafting part, the top of the bag main body is arranged on, on the top The a plurality of band met one another is held to be attached to the apical grafting part, described one end of the connector is connected by the apical grafting part It is connected to the top of the bag main body;Bottom fitting, the bottom of the bag main body is arranged on, the institute met one another in the bottom State a plurality of band and be attached to the bottom fitting.
Alternatively, fixed structure, the fixed structure and the bag main body are provided with the outer surface of the bag main body Passage is formed between outer surface respectively, the band passes through the passage.
Alternatively, the damper may also include fixed mount, and the fixed mount may include:Table top, the institute of the connector State the other end and be connected to the table top;Multiple support bars, one end of the support bar are fixed to the table top, the support bar The other end is fixed to the pylon.
Alternatively, the other end of the support bar may be provided with magnet base.
Alternatively, the multiple support bar can extend from the table top along the direction for being separated from each other farther.
Alternatively, the bag main body may include flexible material.
Alternatively, the bag main body can be spherical or cylindrical.
Alternatively, the liquid can be the liquid of water or density more than the density of water.
According to another aspect of the present utility model, there is provided a kind of pylon of wind power generating set, the pylon are included as above Described damper.
Alternatively, the pylon may include the multistage pylon set gradually from the bottom to top, and the damper may be connected to most One section of pylon above.
Alternatively, it may be provided with the damper with the adjacent pylon of uppermost one section of pylon.
, can be easily disassembled according to damper of the present utility model.In addition, compared with traditional solid masses block, this practicality Liquid cost in new damper is cheap, cost of transportation is low, and storage, carry etc. when can not be by volumetric constraint.
Brief description of the drawings
By the detailed description carried out below in conjunction with the accompanying drawings, above and other objects, features and advantages of the present utility model It will become apparent, wherein:
Fig. 1 is the schematic diagram according to the damper of the pylon for wind power generating set of embodiment of the present utility model;
Fig. 2 is the schematic diagram for the part that the damper shown in Fig. 1 is watched from bottom;
Fig. 3 is the schematic diagram for the part that the damper shown in Fig. 1 is watched from top;
Fig. 4 is the schematic diagram according to the damper of another embodiment of the present utility model;
Fig. 5 to Fig. 8 is for describing that the pylon of wind power generating set will be installed to according to damper of the present utility model Schematic diagram.
Embodiment
Embodiment of the present utility model is described in detail next, with reference to accompanying drawing.
Fig. 1 be according to the schematic diagram of the damper of the pylon for wind power generating set of embodiment of the present utility model, Fig. 2 is the schematic diagram for the part that the damper shown in Fig. 1 is watched from bottom, and Fig. 3 is that the damping shown in Fig. 1 is watched from top The schematic diagram of the part of device.
As shown in Figure 1 to Figure 2, can be wrapped according to the damper 100 of the pylon of the present utility model for wind power generating set Include:Bag main body 10, in the bag-shaped of closing, accommodates liquid, the bottom of the bag main body 10 is provided with liquid and led in bag main body 10 Road 11, to add liquid into bag main body 10 by fluid passage 11 or discharge liquid from bag main body 10;Connector 20, connector 20 one end is connected to the top of bag main body 10, and the other end of connector 20 is connected to pylon.
According to embodiment of the present utility model, bag main body 10 can be in that can hold the bag-shaped of liquid.Although the bag master in Fig. 1 Body 10 is spherical, but it is only example, the shape not limited to this of bag main body 10.For example, bag main body 10 or cylinder.
Alternatively, bag main body 10 may include flexible material, for example, bag main body 10 may include nonmetallic composite.As The example of nonmetallic composite, the materials such as PVC, rubber may be selected.When bag main body 10 includes flexible material, bag main body 10 is soft Soft surface is lifting and pylon will not caused to damage in the course of work.In addition, when bag main body 10 includes nonmetallic composite wood During material, nonmetallic composite is light, therefore is advantageous to the lifting operation of damper 100.However, the material of bag main body 10 not by Concrete restriction, it can also be formed by other materials.
According to embodiment of the present utility model, the inner surface of bag main body 10 can be coated with corrosion-resistant material, to prevent bag from leading Corrosion of the liquid held in body 10 to bag main body 10.
According to embodiment of the present utility model, the liquid held in bag main body 10 can be water.In addition, contained in bag main body 10 The liquid put can be the big liquid of the density of density ratio water, for example, CaCl2Solution etc..In the case where the density of liquid is big, For the liquid of phase homogenous quantities, the volume of the bag main body 10 for holding liquid can be reduced.
According to embodiment of the present utility model, the bottom of bag main body 10 may be provided with fluid passage 11.Pass through fluid passage 11, liquid can be added into bag main body 10 or discharges liquid from bag main body 10.For example, valve (not shown) can be used to control liquid Body passage 11 opens or closes.
According to embodiment of the present utility model, one end of connector 20 may be connected to the top of bag main body 10, connector 20 The other end may be connected to pylon (for example, platform of pylon), so as to which bag main body 10 is connected into pylon.Therefore, pylon Vibration can be delivered to bag main body 10, and the liquid portion in bedding bag main body 10 absorbs, so as to reduce the vibration of pylon.
The material of connector 20 is not particularly limited, but its intensity should ensure that the weight that can bear bag main body 10.
When the intensity of bag main body 10 is enough, one end of connector 20 may be coupled directly to bag main body 10.Connector 20 The mode that one end is connected to bag main body 10 is not particularly limited, and alternatively, can use the scattered stress for being applied to bag main body 10 One end of connector 20 is connected to bag main body 10 by mode.For example, one end of connector 20 may be connected to it is more in bag main body 10 It is individual, with the scattered stress for being applied to bag main body 10, prevent bag main body 10 from producing local failure.
In addition, according to embodiment of the present utility model, damper 100 may also include supporting construction 30, and supporting construction 30 can The periphery of bag main body 10 is surrounded, with support pouches main body 10.In the case where damper 100 includes supporting construction 30, connector 20 One end bag main body 10 can be connected to by supporting construction 30.In this case, can be by bag main body 10 and bag main body 10 The weight of liquid is evenly dispersed into whole bag main body 10 by supporting construction 30, so as to prevent the local stress of bag main body 10 It is excessive and cause local failure.
According to embodiment of the present utility model, supporting construction 30 may include:A plurality of band 31, wind the outer of bag main body 10 Week, and met one another respectively on the top of bag main body 10 and bottom;Apical grafting part 32, the top of bag main body 10 is arranged on, on top The a plurality of band 31 met one another is attached to apical grafting part 32, and one end of connector 20 is connected to apical grafting part 32;Bottom fitting 33, set In the bottom of bag main body 10, a plurality of band 31 met one another in bottom is attached to bottom fitting 33.
Alternatively, band 31 can be made of flexible material, to be preferably bonded with bag main body 10.
According to embodiment of the present utility model, multiple (such as Fig. 1 of fixed structure 12 are may be provided with the outer surface of bag main body 10 It is shown), the both ends of fixed structure 12 are attached to the outer surface of bag main body 10, and center section separates with the outer surface of bag main body 10, So as to form passage between fixed structure 12 and bag main body 10, band 31 may pass through the passage so as to be fixed firmly to bag master On body 10.
Alternatively, claw 34 is may be provided with apical grafting part 32, one end of connector 20 is connected to claw 34, for example, One end of connector 20 and claw 34 can be attached by way of secure latch, to ensure the fastness of connection.
In the case where supporting construction 30 has above-mentioned construction, the weight of bag main body 10 and the liquid in bag main body 10 can lead to Cross band 31 to be evenly dispersed into whole bag main body 10, cause local broken so as to prevent the local stress of bag main body 10 excessive It is bad.
However, the construction not limited to this of supporting construction 30, as long as supporting construction 30 support pouches main body 10 and scattered can be applied The stress being added in bag main body 10.
According to the damper 100 of embodiment of the present utility model, bag main body 10 can be directly connected to (example by connector 20 Such as, can be connected to by secure latch) pylon (for example, platform of pylon), so that in tower oscillation, the liquid in bag main body 10 Body can absorb the vibrational energy of pylon, so as to prevent or reduce the vibration of pylon.
Fig. 4 is the schematic diagram according to the damper of another embodiment of the present utility model.
According to another embodiment of the present utility model, damper 100 may also include fixed mount 40.Damper 100 can pass through Fixed mount 40 is fixed to pylon.
Specifically, fixed mount 40 may include:Table top 41, the other end of connector 20 are connected to table top 41;Multiple supports Bar 42, one end of support bar 42 are fixed to table top 41, and the other end of support bar 42 is fixed to pylon (for example, platform of pylon).
Alternatively, the other end of connector 20 can be connected to table top 41 by way of secure latch, to ensure that connection is steady It is qualitative.
According to embodiment of the present utility model, support bar 42 can be at least two, and support bar 42 is evenly distributed in Between table top 41 and the platform of pylon.For example, one end of support bar 42 may be welded to table top 41.Alternatively, support bar 42 is another One end may be provided with magnet base 43, and magnet base 43 can be by magnetic-adsorption to pylon (for example, being adsorbed onto being made of metal for pylon Platform).However, the utility model not limited to this, the other end of support bar 42 can be solid by any-mode (for example, riveting etc.) Surely platform is arrived.
Alternatively, multiple support bars 42 can extend from table top 41 along the direction for being separated from each other farther, to stablize twelve Earthly Branches Support is on the platform of pylon.
According to embodiment of the present utility model, the bag main body 10 of damper 100 is fixed to tower by using fixed mount 40 Frame (for example, platform of pylon), the dispersible stress for being applied to platform.
According to embodiment of the present utility model, pylon may include the multistage pylon set gradually from the bottom to top.Damper 100 The platform for being hanging to uppermost one section of pylon can be fixed.It is hanging to and uppermost one section in addition, damper 100 can also be fixed The platform of one section of adjacent pylon of pylon.
Fig. 5 to Fig. 8 is for describing that the pylon of wind power generating set will be installed to according to damper of the present utility model Schematic diagram.
Hereinafter, reference picture 5 to Fig. 8 is described to the installation process of the damper according to embodiment of the present utility model.At this In embodiment, six sections of pylons are included as example using pylon to be described.
First, lift first paragraph pylon to the 4th section of pylon, Fig. 5 be lifted completion include first paragraph pylon to the The part of completion 1 of four sections of pylons.
Then, before the 5th section of pylon 2 is lifted, the 5th section of pylon 2 is vertical on the ground, installation layer 5 platform 3 will The fixation of damper 100 that liquid is already filled with bag main body 10 is hanging on layer 5 platform 3, for example, the connection of damper 100 Part 20 may be coupled directly to layer 5 platform 3 or can be connected to layer 5 platform 3 by fixed mount 40.
After damper 100 is installed, the 5th section of pylon 2 can be lifted into and completed on part 1, as shown in Figure 7.
Then, using similar mode, damper 100 is fixed and is hanging on the layer 6 platform 5 of the 6th section of pylon 4, Then the 6th section of pylon 4 is lifted on the 5th section of pylon 2, as shown in Figure 8.
Now, pylon is in the state for being easiest to produce vortex-induced vibration, and such as without using damper 100, then wind is very wide The frequency for making pylon resonate can be all produced in wind speed range so that tower top can produce large magnitude.It is being mounted with two dampers After 100, the vibration of pylon can pass to the liquid in bag main body 10, so as to mitigate the amplitude vibrated at tower top.
Although illustrated above be respectively mounted damper 100 on the 5th section of pylon 2 and the 6th section of pylon 4, this practicality is new Type not limited to this, damper 100 can be also installed only on the 6th section of pylon 4.Because the height of pylon is higher, vibration is tighter Weight, therefore damper 100 is installed preferably on the 6th section of pylon 4 of highest point.In addition, only it ought pacify on the 6th section of pylon 4 When the amplitude that tower top vibrates can not be decreased in preset range by dress damper 100, damping can be also installed on the 5th section of pylon 2 Device 100.
After the reduction of tower top amplitude, head can be installed.After head is installed, because head can change whole wind-force hair The intrinsic frequency of group of motors so that pylon is not allowed to be also easy to produce vortex-induced vibration, therefore now dismountable damper 100.
When removing damper 100, one end of water pipe can be connected to and be hanging to layer 5 platform 3 or layer 6 platform 5 On damper 100 bag main body 10 fluid passage 11, the other end of water pipe is connected to the bag main body of the damper on ground Fluid passage, valve is opened, so as to which the liquid in the bag main body 10 of the damper 100 on platform can be flowed to by Action of Gravity Field In the bag main body of damper on ground.
After liquid in discharge bag main body 10, valve can be closed, then dismantles damper 100.When bag main body 10 by Flexible material is formed, and when band 31 is also fabricated from a flexible material, ground is transported to after can bag main body 10 be folded.
As described above, being included being contained with the bag main body 10 of liquid according to damper 100 of the present utility model, therefore dismantling During damper 100, damper 100 will can again be dismantled by Action of Gravity Field after emptying rate of liquid, therefore according to resistance of the present utility model Buddhist nun's device 100 is easily disassembled.
In addition, can be formed according to the bag main body 10 of damper 100 of the present utility model by flexible material, thus with tradition Solid masses block compare, its flexible surface will not cause to damage to pylon, and can be easy to fold, so as to be advantageous to dismounting and Storage etc..
In addition, can be these liquid such as water according to the liquid in the bag main body 10 of damper 100 of the present utility model Body can prepare without preparing in workshop at the construction field (site), and may be partitioned into more parts, therefore compared with traditional solid masses block, Cost is cheap, cost of transportation is low, and can not be by volumetric constraint in storage, carrying etc..
In addition, the liquid in the bag main body for the damper being finished can be flowed into the bag master of another damper by Action of Gravity Field In vivo, therefore it is easily achieved the recycling of liquid.
Although exemplary embodiment of the present utility model has had been described in detail, those skilled in the art should manage Solution, in the case where not departing from the spirit and scope of the present utility model that claim is limited, it can be carried out form and Various changes in details.

Claims (13)

1. the damper of a kind of pylon for wind power generating set, it is characterised in that the damper (100) includes:
Bag main body (10), in the bag-shaped of closing, accommodates liquid, the bottom of the bag main body (10) is set in the bag main body (10) Be equipped with fluid passage (11), with by the fluid passage (11) to adding liquid in the bag main body (10) or from the bag master Body (10) discharges liquid;
Connector (20), one end of the connector (20) are connected to the top of the bag main body (10), the connector (20) The other end be connected to the pylon.
2. damper according to claim 1, it is characterised in that the damper (100) also includes:
Supporting construction (30), the periphery of the bag main body (10) is surrounded, to support the bag main body (10),
Wherein, described one end of the connector (20) is connected to the institute of the bag main body (10) by the supporting construction (30) State top.
3. damper according to claim 2, it is characterised in that the supporting construction (30) includes:
A plurality of band (31), winds the periphery of the bag main body (10), and respectively on the top of the bag main body (10) and The bottom is met one another;
Apical grafting part (32), the top of the bag main body (10) is arranged on, a plurality of bundle met one another on the top Band (31) is attached to the apical grafting part (32), and described one end of the connector (20) is connected to institute by the apical grafting part (32) State the top of a bag main body (10);
Bottom fitting (33), the bottom of the bag main body (10) is arranged on, a plurality of bundle met one another in the bottom Band (31) is attached to the bottom fitting (33).
4. damper according to claim 3, it is characterised in that be provided with the outer surface of the bag main body (10) multiple Fixed structure (12), passage is formed respectively between the multiple fixed structure (12) and the outer surface of the bag main body (10), institute State band (31) and pass through the passage.
5. damper according to any one of claim 1 to 4, it is characterised in that the damper (100) also includes solid Determine frame (40), the fixed mount (40) includes:
Table top (41), the other end of the connector (20) are connected to the table top (41);
Multiple support bars (42), one end of the support bar (42) are fixed to the table top (41), the support bar (42) it is another One end is fixed to the pylon.
6. damper according to claim 5, it is characterised in that the other end of the support bar (42) is provided with magnetic Power seat (43).
7. damper according to claim 5, it is characterised in that the multiple support bar (42) is from the table top (41) edge The direction extension for being separated from each other farther.
8. damper according to claim 1 or 2, it is characterised in that the material of the bag main body (10) includes flexible material Material.
9. damper according to claim 1 or 2, it is characterised in that the bag main body (10) is spherical or cylindrical.
10. damper according to claim 1 or 2, it is characterised in that the liquid is the density that water or density are more than water Liquid.
11. a kind of pylon of wind power generating set, the pylon includes the damper as any one of claim 1 to 10 (100)。
12. pylon according to claim 11, it is characterised in that the pylon includes the multistage set gradually from the bottom to top Pylon, the damper (100) are connected to uppermost one section of pylon.
13. pylon according to claim 12, it is characterised in that in the pylon adjacent with uppermost one section of pylon It is provided with the damper (100).
CN201721028649.XU 2017-08-16 2017-08-16 Damper for the pylon of wind power generating set and the pylon including it Active CN207048902U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721028649.XU CN207048902U (en) 2017-08-16 2017-08-16 Damper for the pylon of wind power generating set and the pylon including it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721028649.XU CN207048902U (en) 2017-08-16 2017-08-16 Damper for the pylon of wind power generating set and the pylon including it

Publications (1)

Publication Number Publication Date
CN207048902U true CN207048902U (en) 2018-02-27

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ID=61503946

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Application Number Title Priority Date Filing Date
CN201721028649.XU Active CN207048902U (en) 2017-08-16 2017-08-16 Damper for the pylon of wind power generating set and the pylon including it

Country Status (1)

Country Link
CN (1) CN207048902U (en)

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