CN208670052U - Wind generating set yaw dynamic sealing device - Google Patents
Wind generating set yaw dynamic sealing device Download PDFInfo
- Publication number
- CN208670052U CN208670052U CN201821431265.7U CN201821431265U CN208670052U CN 208670052 U CN208670052 U CN 208670052U CN 201821431265 U CN201821431265 U CN 201821431265U CN 208670052 U CN208670052 U CN 208670052U
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- China
- Prior art keywords
- generating set
- connecting plate
- wind generating
- sealing
- sealing device
- 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.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 137
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims description 29
- 238000002347 injection Methods 0.000 claims description 19
- 239000007924 injection Substances 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000005253 cladding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000002390 adhesive tape Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000004073 vulcanization 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
- Gasket Seals (AREA)
Abstract
The utility model discloses a kind of wind generating set yaw dynamic sealing devices.The wind driven generator unit yaw system sealing device may include the multiple sealing elements being arranged between engine room cover and yaw brake disc, and connection circularizes multiple sealing elements from beginning to end each other, and each sealing element includes molding connecting plate and sealing strip integral with one another.Wind generating set yaw dynamic sealing device according to the present utility model, sealing effect is good, solves the problems such as conventional seals adhesive tape is easy to fall off, and unit reliability is improved, and convenient for later period replacement maintenance.
Description
Technical field
The utility model relates to wind power generating set fields, in particular to wind generating set yaw dynamic sealing device.
Background technique
Yaw system is one of essential composition system of horizontal shaft type wind-driven generator group, is mainly used for sending out with wind-force
The control system of motor group cooperates, and the wind wheel of wind power generating set is made to be in state windward always, to make full use of wind energy, improves
Generating efficiency, in addition, necessary locking torque is also provided for, to ensure the safe operation of wind power generating set.
The issuable influence of movement and enclosed in view of the cleaning in wind in generating set, between adjacent component
Factors, the yaw systems such as the requirement for anticorrosion of the radiating requirements of cabin and sough must take seal approach, to guarantee unit
The validity and reliability of operation.In order to realize the sealing between engine room cover and yaw brake disc, can stop in engine room cover and yaw
Sealing device is set between hull.
Currently, the yaw system dynamic sealing of wind power generating set mainly uses the sealing joint strip of card slot linking.For example, ginseng
According to Fig. 1 and Fig. 2, yaw sealing ring 5 is provided on the edge of yaw brake disc 4 to connect sealing joint strip 6.In sealing joint strip 6
Side be formed with U-shaped card slot 7, by U-shaped card slot 7 by sealing joint strip 6 be stuck in yaw sealing ring 5 on, thus yaw brake
Sealing is realized between disk 4 and the seal support part 9 for being connected to lower piece 8.
However, shaking and deformation, sealing joint strip and corresponding contact wall when due to the gravity of sealing joint strip, unit operation it
Between friction, usually make by card slot connect sealing joint strip fall off, cause dynamic sealing to fail, and strip in the prior art
Sealing joint strip inner ring is stretched by compression outer ring, and long-time service can generate wave, influences sealing effect even unit reliability, together
When also increase maintenance cost.
Utility model content
One of the purpose of this utility model is to provide a kind of wind generating set yaw dynamic sealing device, to improve connection
Intensity guarantees sealing reliability.
One side according to the present utility model provides a kind of wind generating set yaw dynamic sealing device, the wind-force hair
Electric set yaw dynamic sealing device includes the multiple sealing elements being arranged between engine room cover and yaw brake disc, multiple sealings
Connection circularizes part from beginning to end each other, and each sealing element includes molding connecting plate and sealing strip integral with one another.
Optionally, the connecting plate can arc-shaped or linear.
Optionally, the connecting plate can include: mounting portion, the mounting portion are formed with mounting hole and are installed to the cabin
One of cover or the yaw brake disc；Glue injection part, the glue injection part are formed as one with the mounting portion, and the note
Glue portion is formed with hole for injecting glue and/or coats in conjunction with protrusion and by the sealing strip.
Optionally, one end of the connecting plate can be formed with concave part, and the other end of the connecting plate can be formed with protrusion
Portion, the concave part and the protrusion, which have, to correspond to each other can form the shape of cooperation each other, in the concave part and
The mounting hole can be formed in the protrusion.
Optionally, the sealing strip may include the covering portion for coating the glue injection part and the extension for capableing of flexible deformation,
The covering portion coats the entire glue injection part.
Optionally, one end of the sealing strip can be formed with the first recessed clinch, and the other end can be formed with protrusion
Second clinch, first clinch and second clinch, which have, to correspond to each other can form the shape of cooperation each other
Shape.
Optionally, first clinch and second clinch can have stairstepping.
Optionally, the width of the extension can become narrow gradually along the direction far from the connecting plate.
Optionally, the thickness of the extension can be gradually thinning along the direction far from the connecting plate.
Optionally, the contact table of the extension contacted with the other of the engine room cover and the yaw brake disc
Wear-resistant coating can be formed on face.
The yaw dynamic sealing device of wind power generating set according to the present utility model, due to being filled by the way of sectionally smooth join
Match, sealing effect is realized by simple structure, and be easily installed, so that later period replacement attended operation is more convenient.In addition, logical
Crossing makes sealing strip and connecting plate be integrally formed the combination reliability that ensure that sealing strip, solves sealing joint strip appearance in the prior art
Caducous problem, improves sealing effect.Therefore, the yaw dynamic sealing device of wind power generating set according to the present utility model
The bonding strength that can guarantee sealing element improves the reliability of wind power generating set, reduces cost of installation and maintenance.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing the yaw dynamic sealing connection structure of the prior art.
Fig. 2 is another angle enlargement figure in the portion I of the yaw dynamic sealing connection structure in Fig. 1.
Fig. 3 is the schematic diagram for showing wind generating set yaw dynamic sealing device according to the embodiment.
Fig. 4 is the perspective view for showing the upper surface of sealing element according to the embodiment.
Fig. 5 is the plan view for showing the lower surface of sealing element according to the embodiment.
Fig. 6 is the enlarged diagram for showing the portion K of the sealing element in Fig. 5.
Fig. 7 and Fig. 8 is that the X of sealing element according to the embodiment illustrates to side enlarged diagram and the amplification of Y-direction side respectively
Figure.
Fig. 9 is the perspective view for showing connecting plate according to the embodiment.
Figure 10 is the plan view for showing connecting plate according to the embodiment.
Figure 11 and Figure 12 is the enlarged drawing in the portion M in Fig. 3 and the enlarged drawing in the portion N respectively.
Description of symbols:
1: sealing element, 2: connecting plate, 21: hole for injecting glue, 22: mounting hole, 23: concave part, 24: protrusion, 25: connecting plate is spelled
Socket part point, 26: end surfaces, 27: fillet, 28: fillet, 3: sealing strip, 31: covering portion, 32: extension, 33: the first clinch,
34: the second clinch, 35: sealing strip splicing part, 4: yaw brake disc, 5: yaw sealing ring, 6: sealing joint strip, 7:U shape card
Slot, 8: lower piece, 9: seal support part.
Specific embodiment
In order to enable those skilled in the art to better understand the utility model, with reference to the accompanying drawing to the utility model
Specific embodiment be described in detail.
Referring to Fig. 3, whole yaw dynamic sealing device according to the present utility model may include that setting is stopped in engine room cover and yaw
Multiple sealing elements 1 between hull, head and the tail connect and around circularizing multiple sealing elements 1 each other, to realize sealing.
Sealing element 1 may be mounted to one of engine room cover and yaw brake disc, and each sealing element 1 can individually dismantle and
Installation reduces maintenance cost so that later period maintenance replacement is more convenient.
As an example, single sealing element 1 can be substantially arc-shaped, so that head and the tail connection is surrounded by circular ring shape.But embodiment
It is without being limited thereto, also each sealing element 1 can be formed as the other forms such as form of straight lines, as long as ring can be formed by head and the tail connection
Shape is to realize sealing.
Referring to Fig. 4 and Fig. 5, sealing element 1 may include molding connecting plate 2 and sealing strip 3 integral with one another.
Connecting plate 2 can include: mounting portion, mounting portion are formed with mounting hole 22 and are installed in engine room cover or yaw brake disc
One of；Glue injection part, glue injection part are formed as one with mounting portion, and glue injection part is formed with hole for injecting glue 21 and/or combines protrusion
And it is coated by sealing strip 3.
Sealing element 1 accoding to exemplary embodiment can be integrally formed by insert injection moulding method.
As an example, can first prepare connecting plate 2, then by pre-buried connecting plate 2, so that covering material is coated connecting plate 2
Glue injection part executes casting solidification and is integrally formed.
Fig. 4 and Fig. 5 shows glue injection part and is located at the outside of connecting plate 2 and the outer edge of covering material cladding connecting plate 2
Partial example, and the axis of arc-shaped connecting plate 2 and sealing strip 3 is arranged in parallel relationship.
But embodiment is without being limited thereto, can be according to the wrapped position of the shape of connecting plate and position adjustment covering material.For example,
Glue injection part may be additionally located at the inside of connecting plate 2, in this case, can make the inner edge portion of covering material cladding connecting plate 2.
In addition, the orientation and angle between connecting plate 2 and sealing strip 3 are also not necessarily limited to the case where Fig. 4 and Fig. 5 is shown,
Connecting plate and sealing strip can also be arranged at other angles.For example, connecting plate and sealing strip are perpendicular to one another with axis respectively
Mode extend, that is, extend in a radial direction multiple strip connecting plates and be substantially parallel to one another, while be formed as sealing strip
One end that is circumferentially extending and coating multiple strip connecting plates.
Connecting plate 2 is formed using the material such as stainless steel with certain degree of hardness, to guarantee the rigidity of sealing element 1.
Covering material can be the rubber material such as closely knit EPDM, and the adhesive tape part formed after closely knit EPDM vulcanization can
With preferable elasticity.In addition, closely knit EPDM may be formed to have smooth surface.Therefore, as the close of sealing element 1
When strip of paper used for sealing 3, it is ensured that with the good fit of corresponding contact supporting element.
By being integrally formed, so that the bond strength between connecting plate 2 and sealing strip 3 greatly increases, legacy card is avoided
The problem of slot connection type is easy to fall off, and good combination reliability and sealing effect can be realized by plain mode, from
And promote wind power generating set reliability.
Hereinafter, the shape and structure of connecting plate 2 and sealing strip 3 be will be described in detail with reference to the accompanying drawings.
As an example, connecting plate 2 and sealing strip 3 can be substantially arc-shaped.The curved profile of sealing strip 3 may make and install
Corresponding contact supporting element good fit in engine room cover or yaw brake disc, and avoid existing sealing strip and meeting is used for a long time
It leads to the problem of wavy, ensure that sealing effect.
But embodiment is without being limited thereto, can also suitably adjust the shape of connecting plate 2 and sealing strip 3, for example, connecting plate 2
Or sealing strip 3 can also be linear.
Referring to Fig. 9 and Figure 10, connecting plate 2 may include mounting portion, and mounting hole 22 is formed on mounting portion and is installed to cabin
One of cover or yaw brake disc；Glue injection part, glue injection part and mounting portion are formed as one, are formed with hole for injecting glue 21 and/or knot
It closes protrusion (not shown) and is coated by sealing strip 3.
By forming hole for injecting glue 21 and/or combining protrusion, when can enhance integrated molding between sealing strip 3 and connecting plate 2
Bond strength.Multiple hole for injecting glue 21 can be uniformly distributed according to predetermined space A (for example, predetermined angular).
Due to that can fix and install sealing element 1 by bolt with mounting hole 22.Bolt connecting mode has side
It can lean on, the advantage that assembly difficulty is low, thus be remarkably improved assembly reliability and assembly efficiency.Mounting hole 22 can be according to predetermined
Interval B (for example, predetermined angular) is uniformly distributed.
It is spaced A and interval B can be different from each other.For example, interval A is smaller than interval B, by forming sufficient amount of injecting glue
Hole guarantees the bond strength between connecting plate 2 and sealing strip 3.
Sealing strip 3 may include the covering portion 31 for coating glue injection part and the extension 32 for capableing of flexible deformation, and covering portion 31 is wrapped
Cover entire glue injection part (see Fig. 6, Fig. 7 and Fig. 8).
Referring to Fig. 6, sealing strip 3 can be made to extend when being integrally formed and envelope the end table of two ends of connecting plate 2
The a part in face 26, to guarantee combination stable each other between sealing strip 3 and connecting plate 2.
Referring to Fig. 7 and Fig. 8, extension 32 is extended with preset width along the direction far from connecting plate 2 from covering portion 31, and
And the upper surface of the extension 32 of sealing strip 3 can have scheduled inclination alpha, so that the thickness of extension 32 gradually becomes towards edge
It is thin, in favor of elastic bending after installation and corresponding contact supporting element is contacted, to realize dynamic sealing.
But 32 shape of extension of sealing strip 3 is not limited in this, as optional example, the width of sealing strip 3 can be along
Direction far from the connecting plate 2 becomes narrow gradually, as long as can guarantee to contact compactness to guarantee sealing effect.
In addition, can also be applied in the contact surface of sealing strip 3 contacted with the other of engine room cover and yaw brake disc
It is covered with wear-resistant coating (not shown), to guarantee the contact reliability of dynamic sealing.
The structure of the splicing part for being connected to each other on two ends of sealing element is described in detail below with reference to accompanying drawings
It makes.
Splicing part may include connecting plate splicing part 25 (see Figure 11) and sealing strip splicing part 35 (see Figure 12).
Referring to Fig. 9 and Figure 10, one end of connecting plate 2 can be formed with concave part 23, and the other end can be formed with protrusion 24.It is recessed
Groove portion 23 and protrusion 24, which can have, to correspond to each other can form the shape of cooperation each other.
Referring to Fig.1 1, after integrally assembly, the protrusion of the concave part of a connecting plate 2 and adjacent another connecting plate 2
Portion can be stacked on top of each other, forms the connecting plate splicing part 25 of smooth connection.
As an example, the concave part 23 and protrusion 24 of connecting plate 2 can be generally rectangular.In concave part 23 and protrusion 24
Corner can be formed with fillet 27 and 28, to avoid stress concentration, while convenient for splicing positioning.
In addition, perforative mounting hole 22 can be formed in the corresponding position of concave part 23 and protrusion 24, and connected by bolt
Concave part 23 and protrusion 24 are connect, to improve connection reliability.
Referring to Fig. 4 and Fig. 5, one end of sealing strip splicing part 35 can be formed with the first recessed clinch 33, described close
The other end of strip of paper used for sealing 3 can be formed with the second clinch 34 of protrusion, and the first clinch 33 and the second clinch 34 can have each other
The corresponding shape cooperation can be formed each other.
Referring to Fig.1 2, after integrally assembly, the first clinch 33 and the second clinch 34 can lap one another to be formed it is smooth
The sealing strip splicing part 35 of linking.As an example, the first clinch 33 and the second clinch can be bonded securely by glue
34。
As an example, the first clinch 33 and the second clinch 34 can have the stairstepping to correspond to each other, to guarantee two
Person can steadily lap one another, to improve sealing effect.
The sealing element 1 of embodiment according to the present utility model is mountable on the yaw brake disc of yaw system, to realize
Sealing between yaw system and engine room cover.But embodiment is without being limited thereto, can also be adjusted to the setting position of the sealing element
The sealing realized between yaw system and engine room cover is set in engine room cover, alternatively, can also be applied to similar sealing element
Other structures are to realize the sealings of other structures.
In conclusion yaw system dynamic sealing device according to the present utility model, splices by multistage and is arranged bolt
The mode of mounting hole reduces assembly difficulty, while advantageously reducing later maintenance difficulty and maintenance cost.In addition, according to this
The integrally formed sealing element of utility model significantly improves the combination reliability between sealing strip and connecting plate, solves existing
The problem of dynamic sealing adhesive tape is easy to fall off in technology, to improve sealing reliability.
Specific embodiment of the present utility model is described in detail above, although having show and described some realities
Apply example, it will be understood by those skilled in the art that do not depart from defined by the claims and their equivalents it is practical
In the case where novel principle and spirit, it can modify to these embodiments and perfect, these modifications and improve also should be
In the protection scope of the utility model.
Claims (10)
1. a kind of wind generating set yaw dynamic sealing device, which is characterized in that the wind generating set yaw dynamic sealing dress
Multiple sealing elements (1) including being arranged between engine room cover and yaw brake disc are set, multiple sealing elements (1) connect from beginning to end each other
It is connected into annular, each sealing element (1) includes molding connecting plate (2) integral with one another and sealing strip (3).
2. wind generating set yaw dynamic sealing device according to claim 1, which is characterized in that the connecting plate (2)
Arc-shaped or linear.
3. wind generating set yaw dynamic sealing device described in any one of -2 according to claim 1, which is characterized in that described
Connecting plate (2) includes: mounting portion, and the mounting portion is formed with mounting hole (22) and is installed to the engine room cover or yaw brake
One of hull；Glue injection part, the glue injection part are formed as one with the mounting portion, and the glue injection part is formed with injecting glue
Hole (21) and/or in conjunction with protrusion and by the sealing strip (3) coat.
4. wind generating set yaw dynamic sealing device according to claim 3, which is characterized in that the connecting plate (2)
One end be formed with concave part (23), the other end of the connecting plate (2) is formed with protrusion (24), the concave part (23) and
The protrusion (24), which has, to be corresponded to each other can form the shape of cooperation each other, in the concave part (23) and the protrusion
The mounting hole (22) are formed in portion (24).
5. wind generating set yaw dynamic sealing device according to claim 3, which is characterized in that the sealing strip (3)
Including coating the covering portion (31) of the glue injection part and capableing of the extension (32) of flexible deformation, covering portion (31) cladding is whole
A glue injection part.
6. wind generating set yaw dynamic sealing device according to claim 5, which is characterized in that the sealing strip (3)
One end be formed with recessed the first clinch (33), the other end of the sealing strip (3) is formed with the second clinch of protrusion
(34), first clinch (33) and second clinch (34), which have, corresponds to each other can form the shape of cooperation each other
Shape.
7. wind generating set yaw dynamic sealing device according to claim 6, which is characterized in that first clinch
(33) and second clinch (34) has stairstepping.
8. wind generating set yaw dynamic sealing device according to claim 5, which is characterized in that the extension (32)
Width become narrow gradually along far from the direction of the connecting plate (2).
9. wind generating set yaw dynamic sealing device according to claim 5, which is characterized in that the extension (32)
Thickness along far from the connecting plate (2) direction it is gradually thinning.
10. the wind generating set yaw dynamic sealing device according to any one of claim 5-9, which is characterized in that institute
State be formed in the contact surface of extension (32) contacted with the other of the engine room cover and the yaw brake disc it is resistance to
Grind coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431265.7U CN208670052U (en) | 2018-08-31 | 2018-08-31 | Wind generating set yaw dynamic sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431265.7U CN208670052U (en) | 2018-08-31 | 2018-08-31 | Wind generating set yaw dynamic sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208670052U true CN208670052U (en) | 2019-03-29 |
Family
ID=65841425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821431265.7U Active CN208670052U (en) | 2018-08-31 | 2018-08-31 | Wind generating set yaw dynamic sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208670052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347378A (en) * | 2021-12-31 | 2022-04-15 | 昆山市鸿毅达精密模具有限公司 | Double-color injection molding mold for automobile sealing strip |
-
2018
- 2018-08-31 CN CN201821431265.7U patent/CN208670052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347378A (en) * | 2021-12-31 | 2022-04-15 | 昆山市鸿毅达精密模具有限公司 | Double-color injection molding mold for automobile sealing strip |
| CN114347378B (en) * | 2021-12-31 | 2023-09-26 | 昆山市鸿毅达精密模具有限公司 | Double-color injection molding mold for automobile sealing strip |
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