CN206845904U - Wind generating set yaw sealing device and wind power generating set - Google Patents
Wind generating set yaw sealing device and wind power generating set Download PDFInfo
- Publication number
- CN206845904U CN206845904U CN201720744674.1U CN201720744674U CN206845904U CN 206845904 U CN206845904 U CN 206845904U CN 201720744674 U CN201720744674 U CN 201720744674U CN 206845904 U CN206845904 U CN 206845904U
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- Prior art keywords
- seal
- filler
- sealing
- generating set
- sealing device
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 111
- 239000000945 filler Substances 0.000 claims abstract description 72
- 230000003068 static effect Effects 0.000 claims abstract description 5
- 238000005452 bending Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000003897 fog Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model provides a kind of wind generating set yaw sealing device and wind power generating set.The wind generating set yaw includes installed part and seal with sealing device, installed part is connected with engine room cover, seal is connected in engine room cover rotation or static fixture, filler holding tank is provided with installed part, sealing filler is provided with filler holding tank, seal is stretched into sealing filler, and at least one surface of seal contacts with sealing filler and forms labyrinth seal structure.Wind generating set yaw sealing device good sealing effect.
Description
Technical field
It the utility model is related to clean energy resource apparatus field, more particularly to a kind of wind generating set yaw sealing device
And wind power generating set.
Background technology
Generally, wind power generating set is arranged on the area of bad environments, requires higher to the integral sealing in cabin, especially
It is offshore wind turbine or is installed on the wind power generating set in humid area (such as Guizhou, Hainan).If cabin with
Sealing at tower is bad, and salt fog, humid air, sand and dust etc. can enter cabin, so as to cause structural member and electrical equipment plus
Speed corrosion.
At present, the driftage being widely used in cabin is sealed into hand-type sealing strip and hairbrush.Asked existing for hand-type sealing strip
Topic is that the sealing technology is extruded for line style, sealing strip is rolled into arc-shaped by external force in erecting bed, then be stuck in sealing ring
On.When driftage due to discontinuity, hand-type sealing strip can be caused the metaboly of fold, wave occur, so as to lead
Fine and close strip of paper used for sealing installation site sideslip, can not be caught in sealing ring.And hairbrush has yielding damage, sealing effectiveness is poor, it is impossible to effectively
Ground prevents salt fog or rainwater from entering cabin.
Utility model content
Embodiment of the present utility model provides a kind of wind generating set yaw sealing device and wind power generating set, with
Solve the problems, such as that sealing effectiveness is bad at wind turbine power generation set engine room driftage.
To reach above-mentioned purpose, embodiment of the present utility model provides a kind of wind generating set yaw sealing device bag
Installed part and seal are included, installed part is connected with engine room cover, and seal is connected to relative to engine room cover rotation or static fixture
On, filler holding tank is provided with installed part, sealing filler is provided with filler holding tank, seal stretches into sealing and filled out
Fill in thing, and at least one surface of seal contacts with sealing filler and forms labyrinth seal structure.
Optionally, installed part includes the bending part for forming filler holding tank.
Optionally, sealing filler includes elastic solid (Hookean body) block, and elastic solid (Hookean body) block is interference fitted with filler holding tank, sealing
Set fluted on filler, seal is stretched into groove, and is interference fitted with the bottom land of groove.
Alternatively, there is gap between the side wall of groove and the side wall of seal.
Alternatively, sealing filler includes liquid filler material, and seal is stretched into liquid filler material.
Alternatively, sealing filler includes granule filler, and seal is stretched into granule filler.
Alternatively, seal includes the horizontal linkage section being connected with fixture and the seal section for inserting sealing filler.
According to another aspect of the present utility model, there is provided a kind of wind power generating set includes tower, yaw brake disc, cabin
Cover and sealing device, sealing device are above-mentioned wind generating set yaw sealing device, the installed part and machine of sealing device
Hatch cover is connected, and the seal of sealing device is connected with yaw brake disc.
Alternatively, mounting flange is provided with yaw brake disc, seal is connected on mounting flange.It is of the present utility model
The wind generating set yaw of embodiment is arranged in installed part with sealing device sealing filler, sealing filler and seal
With labyrinth seal structure is combined into, rotation demand during wind generating set yaw can be met, and can realizes engine room cover with consolidating
Sealing between earnest, salt fog, sand and dust etc. can be effectively prevented to enter cabin.
Brief description of the drawings
Fig. 1 is a kind of structural representation of wind generating set yaw sealing device of embodiment of the present utility model；
Fig. 2 is the structural representation of another wind generating set yaw sealing device of embodiment of the present utility model
Figure；
The overlooking the structure diagram that Fig. 3 is the engine room cover of embodiment of the present utility model and installed part coordinates.
Description of reference numerals：
1st, engine room cover；2nd, yaw brake disc；21st, mounting flange；3rd, tower；4th, installed part；41st, filler holding tank；5、
Seal；51st, horizontal linkage section；52nd, seal section；6th, sealing filler；61st, groove.
Embodiment
Below in conjunction with the accompanying drawings to the wind generating set yaw sealing device and wind-power electricity generation of the utility model embodiment
Unit is described in detail.
As shown in figure 1, according to embodiment of the present utility model, there is provided a kind of wind generating set yaw sealing device,
Including installed part 4 and seal 5, installed part 4 is connected with engine room cover 1, and seal 5 is connected to be rotated or static relative to engine room cover 1
Fixture on, filler holding tank 41 is provided with installed part 4, sealing filler 6 is provided with filler holding tank 41, it is close
Sealing 5 is stretched into sealing filler 6, and at least one surface of seal 5 contacts with sealing filler 6 and forms labyrinth seal
Structure.
The wind generating set yaw sealing device sealing filler 6 is arranged in installed part 4, the He of sealing filler 6
Seal 5 can meet rotation demand during wind generating set yaw, and can realizes cabin with labyrinth seal structure is combined into
Sealing between cover 1 and fixture, can effectively prevent salt fog, sand and dust etc. from entering cabin.
Labyrinth seal is to limit the contactless dynamic sealing that fluid or gas leak with some labyrinth type tortuous passageways.Pass through
The all flexuose cells formed between rotational parts and retaining element are so that leakage is reduced.Using the rotation of labyrinth seal
Gap between part and retaining element be present, without lubrication, and allow have thermal expansion, and can adapt to high temperature, high pressure, high rotating speed frequency
The occasion of rate.
Rotatable parts (yaw brake disc) and fixed component (cabin for wind power generating set, at driftage be present
Cover), and exist relatively rotate between the two, meet the movement mechanism of labyrinth seal.Labyrinth seal is applied to go off course by the design
It at sealing, can effectively prevent humid air, sand and dust etc. from entering cabin, meet the sealing demand between cabin and tower.
Alternatively, as shown in figure 1, the shape of cross section of installed part 4 can determine according to demand, in the present embodiment, peace
Piece installing 4 includes installing plate and forms the bending part of filler holding tank 41, and installing plate is used to be connected with engine room cover 1, and bending part connects
Connect on a mounting board, and by being bent to form filler holding tank 41.In the present embodiment, the installing plate of installed part 4 and bending
Part combines to form " spoon " shape structure.In other embodiments, installed part 4 can only include bending part, and the shape of bending part can be with
Determine as needed, be, for example, " L " type, as long as sealing filler 6 can be installed.
In the present embodiment, the installing plate of installed part 4 is horizontally installed in engine room cover 1 (flange, periphery).Form filling
The bending part connection of thing holding tank 41 on a mounting board, and (is yaw brake disc in the present embodiment positioned at engine room cover 1 and fixture
2) between.Installed part 4 is connected in engine room cover 1 by bolt, rivet or other link structures, and certain installed part 4 can also lead to
Cross and be otherwise secured in engine room cover 1, such as bonding, welding, or installed part 4 and engine room cover 1 are made of one.
Seal 5 includes the horizontal linkage section 51 being connected with yaw brake disc 2 and the seal section 52 for inserting sealing filler 6.
In the present embodiment, seal 5 is L-type, and certainly, in other embodiments, seal 5 can be other structures, such as ligulate or
Wedge-type seal bar etc..
Alternatively, sealing filler 6 includes the shape that cross section is rectangle or other and filler holding tank 41 and mutually fitted
The elastic solid (Hookean body) block for the shape answered, elastic solid (Hookean body) block are interference fitted with filler holding tank 41.It is provided with elastic solid (Hookean body) block recessed
Groove 61, the seal section 52 of seal 5 are stretched into groove 61, and are interference fitted with the bottom land of groove 61.Wherein, elastic solid (Hookean body) block can
Think caulking gum block, or other have the fixed block that the material of sealing function is formed.
There is gap between the side wall of groove 61 and the side wall of seal 5.In other words, the width of groove 61 compares seal
The width of 5 seal section 52 is big, coordinates seal 5 and caulking gum block gap so that this gap can absorb engine room cover 1
Deformation in use, avoid causing hand-type sealing strip to occur due to discontinuity when driftage in the prior art
The metaboly of fold, wave, so that sealing strip installation site sideslip, the problem of sealing ring of engine room cover 1 can not be caught in.
As shown in figure 1, the groove 61 of sealing filler 6 is opened in the top of sealing filler 6, thus seal 5 in order to
Coordinate with the groove 61, it includes seal section 52.As shown in Fig. 2 the groove 61 of sealing filler 6 is opened in sealing filler 6
Side, seal 5 is connected directly between in tower 3, and is stretched into groove 61.
Alternatively, sealing filler 6 can include liquid filler material, and seal 5 is stretched into liquid filler material, liquid filling
Thing can be the sealing fluids such as oil.
Alternatively, sealing filler 6 includes granule filler, and seal 5 is stretched into granule filler, and granule filler can
To be the grains of sand or other particles or powder filler.
According to another aspect of the present utility model, there is provided a kind of wind power generating set, it includes tower 3, yaw brake disc
2nd, engine room cover 1 and sealing device, sealing device are above-mentioned wind generating set yaw sealing device, the installation of sealing device
Part 4 is connected with engine room cover 1, and the seal 5 of sealing device is connected with yaw brake disc 2.
Alternatively, mounting flange 21 is provided with yaw brake disc 2, seal 5 is connected on mounting flange 21.
As shown in figure 3, the overlooking the structure diagram that the engine room cover and installed part for embodiment of the present utility model coordinate.Should
The installed part 4 of sealing device is annular, is secured by bolts on the bottom turnup structure of engine room cover 1.Sealing filler 6 can be with
For soft, wear-resistant material (such as EPDM, ethylene propylene diene rubber), centre fluting forms groove 61, and its appearance and size is than filling filler
Holding tank 41 is slightly larger, and slightly external force is filled in the filler holding tank 41 on " spoon " shape installed part 4 by force during installation.Driftage is stopped
Hull 2 is designed as the structure with mounting flange 21, and bolt hole is set on mounting flange 21, and one end of the seal 5 of L-shaped leads to
Cross bolt to be connected with yaw brake disc 2, the other end is stretched into the groove 61 on sealing filler 6, and is connected to bottom land, and L-shaped
Seal 5 certain radial displacement in groove 61 be present.Total realizes the labyrinth between engine room cover 1 and tower 3
Sealing.When wind power generating set carries out yawing rotation, lower end and the sealing filler 6 of L-shaped seal 5 are rubbed, and are ensured
Sealing effectiveness during driftage between engine room cover 1 and tower 3.
It is (close between such as engine room cover 1 and tower 3 that this sealing structure is applicable not only to the dynamic sealing in wind power generating set
Envelope), while air class static seal (sealing, water conservancy diversion such as between engine room cover 1 and generator being also applied in wind power generating set
Sealing between cover and blade etc.).
Wind generating set yaw of the present utility model is had the effect that with sealing device and wind power generating set：
Using labyrinth seal scheme good sealing effect；
Friction portion is not direct to be contacted with engine room cover or tower, avoids other mount scheme direct friction engine room covers or tower
Surface damage caused by Deng critical component；
Seal abuts cooperation, and the recessing on sealing filler with sealing filler, ensures seal in groove
It is mobile, make up seal failure caused by being deformed due to engine room cover；
The sealing device part is simple, and installs simply, convenient dismounting, is applicable not only to land wind power generating set, right
In marine or humid area wind power generating set, sealing demand equally disclosure satisfy that.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (9)
1. a kind of wind generating set yaw sealing device, it is characterised in that described including installed part (4) and seal (5)
Installed part (4) is connected with engine room cover (1), and the seal (5) is connected to relative to the engine room cover (1) rotation or static fixation
On thing, filler holding tank (41) is provided with the installed part (4), being provided with sealing in the filler holding tank (41) fills out
Fill thing (6), the seal (5) is stretched into the sealing filler (6), and at least one surface of the seal (5) with
The sealing filler (6) contacts and forms labyrinth seal structure.
2. wind generating set yaw sealing device according to claim 1, it is characterised in that the installed part (4)
Bending part including forming the filler holding tank (41).
3. wind generating set yaw sealing device according to claim 1, it is characterised in that the sealing filler
(6) elastic solid (Hookean body) block is included, the elastic solid (Hookean body) block is interference fitted with the filler holding tank (41), the sealing filler
(6) set on fluted (61), the seal (5) is stretched into the groove (61), and with the bottom land mistake of the groove (61)
It is full of cooperation.
4. wind generating set yaw sealing device according to claim 3, it is characterised in that the groove (61)
There is gap between side wall and the side wall of the seal (5).
5. wind generating set yaw sealing device according to claim 1, it is characterised in that the sealing filler
(6) liquid filler material is included, the seal (5) is stretched into the liquid filler material.
6. wind generating set yaw sealing device according to claim 1, it is characterised in that the sealing filler
(6) granule filler is included, the seal (5) is stretched into the granule filler.
7. wind generating set yaw sealing device according to claim 1, it is characterised in that the seal (5)
Including the horizontal linkage section (51) being connected with the fixture and the seal section (52) of the insertion sealing filler (6).
8. a kind of wind power generating set, it is characterised in that including tower (3), yaw brake disc (2), engine room cover (1) and sealing dress
Put, the sealing device is the wind generating set yaw sealing device any one of claim 1 to 7, described close
The installed part (4) of seal apparatus is connected with the engine room cover (1), seal (5) and the yaw brake disc of the sealing device
(2) connect.
9. wind power generating set according to claim 8, it is characterised in that be provided with peace on the yaw brake disc (2)
Flange (21) is filled, the seal (5) is connected on the mounting flange (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744674.1U CN206845904U (en) | 2017-06-23 | 2017-06-23 | Wind generating set yaw sealing device and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720744674.1U CN206845904U (en) | 2017-06-23 | 2017-06-23 | Wind generating set yaw sealing device and wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845904U true CN206845904U (en) | 2018-01-05 |
Family
ID=60802189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720744674.1U Active CN206845904U (en) | 2017-06-23 | 2017-06-23 | Wind generating set yaw sealing device and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845904U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145360A (en) * | 2019-06-27 | 2020-12-29 | 北京金风科创风电设备有限公司 | Separation device, engine room cover, wind generating set and separation method |
| EP3869032A1 (en) * | 2020-02-20 | 2021-08-25 | Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | Seal for a wind turbine nacelle |
-
2017
- 2017-06-23 CN CN201720744674.1U patent/CN206845904U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145360A (en) * | 2019-06-27 | 2020-12-29 | 北京金风科创风电设备有限公司 | Separation device, engine room cover, wind generating set and separation method |
| CN112145360B (en) * | 2019-06-27 | 2023-06-02 | 北京金风科创风电设备有限公司 | Separation device, engine room cover, wind generating set and separation method |
| EP3869032A1 (en) * | 2020-02-20 | 2021-08-25 | Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | Seal for a wind turbine nacelle |
| US11879442B2 (en) | 2020-02-20 | 2024-01-23 | Siemens Gamesa Renewable Energy Innovation & Technology S.L | Seal for a wind turbine nacelle |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |