CN106321365B - Positioning device for rain cover of blade - Google Patents
Positioning device for rain cover of blade Download PDFInfo
- Publication number
- CN106321365B CN106321365B CN201510338982.XA CN201510338982A CN106321365B CN 106321365 B CN106321365 B CN 106321365B CN 201510338982 A CN201510338982 A CN 201510338982A CN 106321365 B CN106321365 B CN 106321365B
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- rain cover
- double
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- fixing
- blade
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- 238000003860 storage Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a blade rain cover positioning device which comprises a fixing device, a rain cover contact device and an adjusting device, wherein the fixing device is connected to the root of a blade, the rain cover contact device is abutted against the rain cover, the adjusting device is arranged between the fixing device and the rain cover contact device, and the adjusting device is used for adjusting the distance between the fixing device and the rain cover contact device. The invention has accurate positioning, strong universality and small occupied storage space.
Description
Technical Field
The invention relates to a blade rain cover positioning device, in particular to a rain cover positioning device for a wind driven generator blade.
Background
In the operation process of the wind generating set, the blades are directly exposed to the outside air, and in order to prevent rainwater from flowing into the wind generating set through the surfaces of the blades, the root parts of the blades are provided with rain covers.
The wind generating set has strict requirements on the installation position of the rain cover, and various positioning devices can be used for positioning in actual operation, but the positioning effect is poor, deviation exists in the installation position, the rain cover is easy to cause that the rain cover cannot be completely attached to the wind generating set, and rainwater enters the wind generating set.
Meanwhile, with the increase of the types of the wind generating set, the installation positions of the rainproof covers of the blades of different types are different, different positioning devices are needed, and the manufacturing cost is increased. In addition, more rain-proof cover positioner can occupy a large amount of space in the workshop, causes the waste of production space.
Disclosure of Invention
The invention aims to overcome the defects of inaccurate positioning, no universality, large occupied storage space and the like of the traditional blade rain-proof cover positioning device in the prior art, and provides the blade rain-proof cover positioning device which is accurate in positioning, strong in universality and small in occupied storage space.
The invention solves the technical problems by the following technical scheme:
the utility model provides a blade rain-proof cover positioner, its characterized in that, it includes fixing device, rain-proof cover contact device and adjusting device, fixing device connects in the blade root, rain-proof cover contact device supports and leans on in the rain-proof cover, adjusting device set up in between fixing device and the rain-proof cover contact device, just adjusting device is used for adjusting the distance between fixing device and the rain-proof cover contact device.
The rain cover positioning device is simple in structure, capable of accurately positioning and universal.
Preferably, the adjusting device comprises a double-head screw, the outer circular surfaces of the two end parts of the double-head screw are respectively provided with threads, and the two end parts of the double-head screw are respectively in threaded connection with the fixing device and the rain cover contact device.
Preferably, the fixing device comprises a fixing block and a fixing connecting rod;
the fixing block is internally provided with a fixing hole, and a screw rod at the root of the blade penetrates through the fixing hole;
one end of the fixed connecting rod is connected to the fixed block, and the end face of the other end of the fixed connecting rod is provided with a first threaded hole for connecting the double-end screw rod.
The fixing holes fully utilize the screw rods at the root parts of the blades, and the fixing device is fast and stably fixed.
Preferably, the fixing device comprises a fixing block, wherein a fixing hole and a second threaded hole are formed in the fixing block;
the screw rod at the root of the blade penetrates through the fixing hole, and the second threaded hole is in threaded connection with one end part of the double-head screw rod.
Preferably, the rain cover contact device comprises a contact block and a contact connecting rod;
one end face of the contact block is abutted against the rain cover, and the other end face of the contact block is connected with the contact connecting rod;
the end face of one end part of the contact connecting rod is provided with a third threaded hole for connecting the double-ended screw rod.
Preferably, the rain cover contact apparatus comprises a contact block;
one end face of the contact block abuts against the rain cover, and the other end face of the contact block is provided with a fourth threaded hole used for being connected with the double-head screw.
Preferably, the outer circumferential surface of the double-ended screw is provided with scale marks for displaying the length of the double-ended screw. The scale marks enable the adjustment distance to be accurate and visual, and the positioning accuracy is guaranteed.
Preferably, a rotating pin for rotating the double-ended screw is arranged at the middle part of the double-ended screw, the rotating pin penetrates through the double-ended screw, and the axis of the rotating pin is perpendicular to the axis of the double-ended screw.
The rotating pin enables the operation of rotating the double-ended screw to be more convenient, and the operability of the device is enhanced.
Preferably, a side surface of the rain cover contact apparatus is in contact with an outer circumferential surface of the blade root.
When adjusting, rain-proof cover contact device can follow the excircle surface of blade root is slided, can prevent rain-proof cover contact device takes place to rotate, makes rain-proof cover contact device follows the axis direction rectilinear movement of blade root guarantees stability and the accuracy nature of adjusting.
Preferably, the shape of the end face of the rain cover contacting device contacting the rain cover matches the shape of the rain cover. The matching of the shape makes the laminating more abundant, has guaranteed the accuracy nature of location.
The invention has the positive progress effects that:
(1) The blade rain cover positioning device comprises a fixing device, a rain cover contact device and an adjusting device, and is simple in structure;
(2) The fixing device is connected to the root of the blade, and the rain-proof cover contact device is abutted against the rain-proof cover, so that the positioning accuracy is ensured;
(3) The adjusting device is arranged between the fixing device and the rain-proof cover contact device, and the distance between the fixing device and the rain-proof cover contact device can be adjusted by the adjusting device, so that the positioning device has universality, the production cost can be reduced, and the storage space can be saved.
Drawings
Fig. 1 is a schematic structural view of a positioning device for a rain cover for a blade according to a first preferred embodiment of the present invention.
Fig. 2 is a schematic structural view of the blade rain cover positioning device corresponding to fig. 1 in use.
Fig. 3 is a schematic structural view of a positioning device for a rain cover for a blade according to a second preferred embodiment of the present invention.
Reference numerals illustrate:
and a fixing device: 1
And (3) fixing blocks: 11. and (3) fixing a connecting rod: 12. fixing holes: 13
A first threaded hole: 14. a second threaded hole: 15
Rain-proof cover contact device: 2
And (3) a contact block: 21. contact connecting rod: 22. third threaded hole: 23
Fourth threaded hole: 24
An adjusting device: 3
Double-end screw rod: 31. graduation mark: 32. and (2) a rotation pin: 33
And (3) a screw rod: 4
Locking nut: 5
Rain cover: 6
Interhole distance: l (L)
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
A blade rain cover positioning device, as shown in fig. 1 and 2, comprises a fixing device 1, a rain cover contact device 2 and an adjusting device 3.
Wherein, adjusting device 3 includes a double-end screw 31, and the both ends of double-end screw 31 respectively with fixing device 1, rain-proof cover contact device 2 threaded connection. The outer circumferential surfaces of both end portions of the double-headed screw 31 are provided with threads, respectively, and in order to achieve the purpose of bidirectional adjustment, the threads of both end portions of the double-headed screw 31 are reversely rotated.
Meanwhile, the outer circumferential surface of the double-ended screw 31 is provided with graduation marks 32 for displaying the length of the double-ended screw 31. The middle part of the double-ended screw 31 is provided with a rotation pin 33 for rotating the double-ended screw 31, the rotation pin 33 penetrates through the double-ended screw 31, and the axis of the rotation pin 33 is perpendicular to the axis of the double-ended screw 31.
The fixing device 1 comprises a fixing block 11 and a fixing link 12. The fixing block 11 is provided with a fixing hole 13, the fixing hole 13 comprises two groups of through holes, each group of through holes comprises two through holes, the axes of the two through holes in each group of through holes coincide, and the inter-hole distance L between the two groups of through holes is matched with the distance between the two screws 4 at the root of the blade.
The fixing block 11 is sleeved on the screw 4 at the root of the blade through the fixing hole 13 and is locked and fixed at the root of the blade by the locking nut 5. Meanwhile, the lower side face of the fixing block 11 is attached to the outer circle surface of the root of the blade, so that the fixing stability of the fixing block 1 is enhanced.
One end of the fixed link 12 is connected to the fixed block 11, and the connection manner may be a threaded connection, a hinged connection, a welding connection, or the like, and the connection manner needs to ensure that the fixed link 12 cannot rotate around its own axis after the fixed link 12 is connected to the fixed block 11.
Further, an end surface of the other end portion of the fixing link 12 is provided with a first screw hole 14 for connecting the double-ended screw 31, and a screw thread rotation direction of the screw hole 14 matches a screw thread rotation direction of the corresponding end portion in the double-ended screw 31.
The rain shield contact apparatus 2 includes a contact block 21 and a contact link 22. One end surface of the contact block 21 abuts against the rain cover 6, and the other end surface of the contact block 21 is connected with a contact link 22.
The shape of the end face of the contact block 21, which is in contact with the rain shield 6, is matched with the shape of the rain shield 6, so that the contact block 21 and the rain shield 6 are fully attached to ensure the positioning accuracy.
And the downside of contact block 21 laminating is in the excircle surface of blade root, when adjusting, can prevent that contact block 21 from taking place to rotate, makes contact block 21 along the axis direction rectilinear movement of blade root, guarantees stability and the accuracy nature of adjusting.
One end of the contact link 22 is connected to the contact block 21, and the connection manner may be a threaded connection, a hinged connection, a welding connection, or the like, and the connection manner needs to ensure that the contact link 22 cannot rotate around its own axis after the contact link 22 is connected to the contact block 21.
Further, an end face of the other end portion of the contact link 22 is provided with a third screw hole 23 for connecting the double-ended screw 31, and the thread rotation direction of the third screw hole 23 matches the thread rotation direction of the corresponding end portion in the double-ended screw 31.
As shown in fig. 2, the blade rain cover positioning device is used by first assembling the fixing device 1, the rain cover contact device 2 and the adjusting device 3 into a whole, that is, the two ends of the double-headed screw 31 are respectively screwed with the first screw hole 14 and the third screw hole 23.
Next, the fixing device 1 is sleeved on the screw 4 at the root of the blade through the fixing hole 13, and is locked by the lock nut 5, so that the fixing device 1 is fixed at the root of the blade.
Then, the rotation pin 33 is pulled to rotate the double-headed screw 31, and since the fixing device 1 and the rain cover contact device 2 cannot rotate and the fixing device 1 is fixed with respect to the double-headed screw 31, the rotational movement of the double-headed screw 31 is converted into a linear movement of the rain cover contact device 2 and the rain cover contact device 2 is moved away from or toward the fixing device 1 in the axial direction of the blade root, thereby achieving adjustment of the distance between the fixing device 1 and the rain cover contact device 2.
Meanwhile, the outer circumferential surface of the double-headed screw 31 is provided with graduation marks 32, the graduation marks screwed into the first screw hole 14 and the third screw hole 23 in the two end portions of the double-headed screw 31 are not visible, the graduation marks visible in the graduation marks 31 are displayed between the apertures of the first screw hole 14 and the third screw hole 23, and the numerical values of the displayed graduation marks correspond to the installation positions of the rain cover 6.
The double-ended screw 31 is rotated to a desired scale value, and then the rain cover 6 is abutted against the contact block 21, thereby completing the positioning of the rain cover 6.
Example 2
As shown in fig. 3, the structure of the blade rain cover positioning device of embodiment 2 is the same as that of embodiment 1, except that the fixing device 1 includes a fixing block 11, and no fixing link 12, and a fixing hole 13 and a second threaded hole 15 are provided in the fixing block 11, as can be seen from the embodiment 1 shown in fig. 1 and 2.
The structure and function of the fixing hole 13 are the same as those of embodiment 1, and the screw 4 of the blade root is penetrated into the fixing hole 13 for fixing the fixing block 11 to the blade root. The second screw hole 15 is screwed to one end of the double-ended screw 31.
The rain shield contact apparatus 2 includes a contact block 21, excluding a contact link 22. And one end surface of the contact block 21 abuts against the rain cover 6, and the other end surface of the contact block 21 is provided with a fourth screw hole 24 for connecting the double-headed screw 31.
The blade rain-proof cover positioning device of the two embodiments is simple to operate, accurate in positioning, applicable to different rain-proof cover mounting positions, high in universality, convenient to assemble and disassemble, small in occupied storage space after being disassembled and easy to store.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (5)
1. The blade rain cover positioning device is characterized by comprising a fixing device, a rain cover contact device and an adjusting device, wherein the fixing device is connected to the root of a blade, the rain cover contact device is abutted against the rain cover, the adjusting device is arranged between the fixing device and the rain cover contact device, and the adjusting device is used for adjusting the distance between the fixing device and the rain cover contact device;
the adjusting device comprises a double-head screw, the outer circular surfaces of the two ends of the double-head screw are respectively provided with threads, the two ends of the double-head screw are respectively in threaded connection with the fixing device and the rain cover contact device, and the threads of the two ends of the double-head screw are opposite in screwing direction;
the fixing device comprises a fixing block and a fixing connecting rod;
the fixing block is internally provided with a fixing hole, and a screw rod at the root of the blade penetrates through the fixing hole;
one end of the fixed connecting rod is connected to the fixed block, and the end face of the other end of the fixed connecting rod is provided with a first threaded hole for connecting the double-head screw;
the rain cover contact device comprises a contact block and a contact connecting rod;
one end face of the contact block is abutted against the rain cover, and the other end face of the contact block is connected with the contact connecting rod;
the end face of one end part of the contact connecting rod is provided with a third threaded hole for connecting the double-ended screw rod;
or the fixing device comprises a fixing block, wherein a fixing hole and a second threaded hole are formed in the fixing block;
the screw rod of the blade root penetrates through the fixing hole, and the second threaded hole is in threaded connection with one end part of the double-head screw rod;
the rain cover contact device comprises a contact block;
one end face of the contact block abuts against the rain cover, and the other end face of the contact block is provided with a fourth threaded hole used for being connected with the double-head screw.
2. The blade rain cover positioning device according to claim 1, wherein the outer circumferential surface of the double-ended screw is provided with graduation marks for displaying the length of the double-ended screw.
3. The blade rain cover positioning apparatus according to claim 1, wherein a rotation pin for rotating the double-ended screw is provided at a middle portion of the double-ended screw, the rotation pin penetrates through the double-ended screw, and an axis of the rotation pin is perpendicular to an axis of the double-ended screw.
4. The blade rain shield positioning apparatus of claim 1, wherein a side of the rain shield contact means is in contact with an outer circumferential surface of the blade root.
5. The blade rain cover positioning device of any of claims 1-4, wherein a shape of an end surface of the rain cover contact means that contacts the rain cover matches a shape of the rain cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338982.XA CN106321365B (en) | 2015-06-17 | 2015-06-17 | Positioning device for rain cover of blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338982.XA CN106321365B (en) | 2015-06-17 | 2015-06-17 | Positioning device for rain cover of blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321365A CN106321365A (en) | 2017-01-11 |
| CN106321365B true CN106321365B (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510338982.XA Active CN106321365B (en) | 2015-06-17 | 2015-06-17 | Positioning device for rain cover of blade |
Country Status (1)
| Country | Link |
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| CN (1) | CN106321365B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098624A (en) * | 2017-12-01 | 2018-06-01 | 上海艾港风电科技发展有限公司 | The positioning tool of the rain cover of wind electricity blade and the installation method of rain cover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52168140U (en) * | 1976-06-15 | 1977-12-20 | ||
| CN202326034U (en) * | 2011-11-03 | 2012-07-11 | 三一电气有限责任公司 | Vane rain cover and wind driven generator |
| CN203398004U (en) * | 2013-06-20 | 2014-01-15 | 国家电网公司 | Rainproof cover for transformer Buchholz relay |
| CN204716469U (en) * | 2015-06-17 | 2015-10-21 | 上海艾港风电科技发展有限公司 | Vane rain cover positioning device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201326508Y (en) * | 2008-12-03 | 2009-10-14 | 广东明阳风电技术有限公司 | Split vane rain-retaining ring |
| CN201638765U (en) * | 2009-12-24 | 2010-11-17 | 苏刚印 | Rain cover for high-voltage fuse |
| DE102010011365B4 (en) * | 2010-03-12 | 2016-01-21 | Andre Dochow | Weather protection for work platforms on propeller blades of wind turbines |
| CN202187431U (en) * | 2011-07-19 | 2012-04-11 | 浙江华铁建筑安全科技股份有限公司 | Adjustable support rod |
| KR101466107B1 (en) * | 2013-08-02 | 2014-11-27 | 삼성중공업 주식회사 | Apparatus for preventing erosion of blade of wind turbine generator |
| CN103723614B (en) * | 2014-01-24 | 2016-03-02 | 江苏金风科技有限公司 | A kind of wind generator set blade 30 degree of angle mounting hangers and hanging method thereof |
-
2015
- 2015-06-17 CN CN201510338982.XA patent/CN106321365B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52168140U (en) * | 1976-06-15 | 1977-12-20 | ||
| CN202326034U (en) * | 2011-11-03 | 2012-07-11 | 三一电气有限责任公司 | Vane rain cover and wind driven generator |
| CN203398004U (en) * | 2013-06-20 | 2014-01-15 | 国家电网公司 | Rainproof cover for transformer Buchholz relay |
| CN204716469U (en) * | 2015-06-17 | 2015-10-21 | 上海艾港风电科技发展有限公司 | Vane rain cover positioning device |
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| CN106321365A (en) | 2017-01-11 |
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