CN205689355U - A kind of wind electricity blade attachment means - Google Patents
A kind of wind electricity blade attachment means Download PDFInfo
- Publication number
- CN205689355U CN205689355U CN201620477371.3U CN201620477371U CN205689355U CN 205689355 U CN205689355 U CN 205689355U CN 201620477371 U CN201620477371 U CN 201620477371U CN 205689355 U CN205689355 U CN 205689355U
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- CN
- China
- Prior art keywords
- attachment means
- wind electricity
- bolt
- connecting plate
- blade
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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
-
- 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
- Y02E10/728—Onshore wind turbines
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Wind Motors (AREA)
Abstract
The purpose of this utility model is to provide a kind of wind electricity blade attachment means, to solve prior art arranges chovr body device and the subsection blade deadweight that relatively stay bolt set causes increases, bolt axial rigidity reduces, connect loading coefficient and bear fatigue load increase, the problem reducing the fatigue life of bolt.Device is at least 2 groups, the forward and reverse setting of two adjacent groups, chest expander connect, subsection blade blade root section and subsection blade blade tip section are coupled together by the bolt assembly of attachment means, one end connecting bolt set of bolt assembly, the other end of bolt assembly connects light set, and the tail end of light set arranges spanner space.Pre-embedded block design optimization attachment structure of the present utility model, the manufacturing procedure that simplifies, fixed form are solid and reliable, efficiently solve problems of the prior art.
Description
Technical field
This utility model belongs to wind electricity blade and makes field, relates to a kind of wind electricity blade and is linked and packed fitting device.
Background technology
In China, wind energy conversion system maximization development trend has been established.Along with being continuously increased of length of blade, transport of blades is stranded
The problems such as difficulty, road traffic control and cost of transportation increase quickly show especially, on the one hand, for security consideration, countries in the world ferrum
There are certain restriction in road, highway administration department, such as to the delivery length of goods, height etc.: the blade of wind power generating set is long
Degree is at tens meters or longer, and these broadly fall into the scope of transfiniting；On the other hand, China's wind energy turbine set is distributed widely, much local
Remote, have inconvenient traffic, build wind energy turbine set time large-scale blade cost of transportation the highest, some area cannot be sent to the most at all.
Big transport of blades problem will become a thorny problem of China's wind energy development, and blade section design, manufacture will be asked for solving this
Topic has extremely important effect, and subsection blade manufactures smoothly and assembles the most key.Punching bolt connection needs to install additional
Chovr body, and the supporting bolt sleeve of stud is relatively long, not only can increase the deadweight of subsection blade, and can reduce axle
To rigidity, increase bolted loading coefficient and fatigue load that bolt bears, reduce the fatigue life of bolt.
Utility model content
The purpose of this utility model is to provide a kind of wind electricity blade attachment means, to solve to arrange in prior art chovr body
Device and the subsection blade deadweight that relatively stay bolt set causes increase, and the axial rigidity of bolt also can be caused to reduce, connect system of load
Count and bear fatigue load to increase, the problem reducing the fatigue life of bolt.
For solving the problems referred to above, the technical solution adopted in the utility model is:
A kind of wind electricity blade attachment means, at least 2 groups, the forward and reverse setting of two adjacent groups, chest expander connect, connect dress
Subsection blade blade root section and subsection blade blade tip section are coupled together by the bolt assembly put, and one end of bolt assembly connects the first spiral shell
Bolt set, the other end of bolt assembly connects light set, and the tail end of light set arranges spanner space.
Preferably, chest expander includes pull bar and the first swivel nut being arranged on pull bar both sides and the second swivel nut, the first swivel nut and
The first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate it is respectively provided with in opposite direction on second swivel nut, first
Arrange the first connecting tube and the second connecting tube, the first connecting tube and the second connecting tube tail end outside connecting plate and the second connecting plate to set
There are the first drag hook and the second drag hook.
Preferably, the first drag hook connects the second spanner space of the second attachment means, and the second drag hook connects the first connection dress
The the first spanner space put.
Preferably, the internal non-threaded of light set, both ends open.
Preferably, bolt assembly one end passes light set, stretches in spanner space.
Preferably, pull bar is left-and-right spiral stricture of vagina.
Preferably, the first connecting plate and the second connecting plate are vertical with pull bar respectively.
Preferably, the first connecting tube is vertical with the first drag hook and the second drag hook respectively with the second connecting tube.
In this utility model, light set is combined with spanner space pre-embedded block, makes structure compacter, simplifies machining work
Sequence, the use of light set, it is ensured that itself and fiberglass bonded area, such that it is able to use more short and thick bolt sleeve, efficiently solve
Chovr body device is set and the subsection blade deadweight that relatively stay bolt set causes increases, and cause the axial rigidity of bolt to reduce, even
Connect loading coefficient and bear fatigue load increase, the problem reducing the fatigue life of bolt.
Accompanying drawing explanation
Fig. 1 is installation diagram of the present utility model.
Fig. 2 is structure chart of the present utility model.
Fig. 3 is the structure chart of this utility model chest expander.
Reference implication is as follows: 1, subsection blade blade root section；2, subsection blade blade tip section；3, the first bolt sleeve；4, spiral shell
Bolt assembly；5, the first light set；6, the first spanner space；7, the second spanner space；8, the second light set；9, the second bolt sleeve；10, draw
Power device；11, the first drag hook；12, the first connecting tube；13, the first connecting plate；14, the first swivel nut；15, pull bar；16, the second swivel nut；
17, the second connecting plate；18, the second connecting tube；19, the second drag hook；20, thin slice flange；101, the first attachment means；102, second
Attachment means；103, bolt sleeve；104, light set；105, spanner space.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
A kind of wind electricity blade attachment means as illustrated in fig. 1 and 2, attachment means is at least 2 groups, and two adjacent groups is forward and reverse to be set
Putting, chest expander 10 connect, subsection blade blade root section 1 and subsection blade blade tip section 2 are connected by the bolt assembly 4 of described attachment means
Picking up, one end connecting bolt set 103 of bolt assembly 4, the other end of bolt assembly 4 connects light set 104, the tail of light set 104
End arranges spanner space 105, and it is identical with bolt sleeve 103 that light overlaps 104 structures, but inside non-threaded, and both ends open, bolt assembly
4 one end connecting light set 104 overlap 104 through light, stretch in spanner space 105；Subsection blade blade root section 101 and subsection blade leaf
The thin slice flange 20 consistent with blade section position aerofoil profile is set between apical segment 102 joint face.
Chest expander 10 includes that pull bar 15, pull bar 15 are left-and-right spiral stricture of vagina as shown in Figure 3, and pull bar both sides arrange the first swivel nut 14
With the second swivel nut 16, the first swivel nut 14 and the second swivel nut 16 it is respectively provided with the first connecting plate 13 and the second connecting plate 17, first
Connecting plate 13 and the second connecting plate 17 are in opposite direction, and the first connecting plate 13 and the second connecting plate 17 are vertical with pull bar 15 respectively, the
First connecting tube 12 and the second connecting tube 18, the first connecting tube 12 and second are set outside a plate 13 and the second connecting plate 17
Connecting tube 18 tail end is provided with the first drag hook 11 and the second drag hook 19, and the first connecting tube 12 and the second connecting tube 18 are respectively with first
Drag hook 11 and the second drag hook 19 are vertical；First drag hook 11 connects the two the second spanner spaces 7 of the second attachment means 102, and second
Drag hook 19 connects the first spanner space 6 of the first attachment means 101.
When carrying out subsection blade and connecting operation, first the first drag hook 11 of chest expander 10 is hung over the second attachment means 102
The second spanner space 7 in, the second drag hook 19 of chest expander is hung in the first spanner space 6 of the first attachment means 101, then
Bolt assembly 4 it is respectively charged in the bolt sleeve 3 of the first attachment means 101 and the bolt sleeve 9 of the second attachment means 102 and twists
Tightly, turn the pull bar 15 of chest expander 10, under the rotation of the left-right rotary screw thread of pull bar 15, drive the first swivel nut 14 and the second swivel nut
16 move to pull bar 15 center position, and the light set 5 and second making the other end of bolt assembly enter the first attachment means 101 connects
In the light set 8 of device 102, continue to turn the pull bar 15 of chest expander 10, make bolt assembly one end through the first light set 5 and the second light
In second spanner space 7 of set 8 entrance the first spanner spaces 6 of the first attachment means 101 and the second attachment means 102, the
One light set 5 and the second light overlap 8 terminations and install nut fastening, make subsection blade blade root section 1 and subsection blade blade tip section 2 connect
Come, complete the connection of subsection blade.
Claims (8)
1. a wind electricity blade attachment means, it is characterised in that: attachment means is at least 2 groups, and two adjacent groups attachment means is positive and negative
To setting, chest expander (10) connecting, the bolt assembly (4) of described attachment means is by subsection blade blade root section (1) and segmentation leaf
Sheet blade tip section (2) couples together, one end connecting bolt set (103) of bolt assembly (4), and the other end of bolt assembly (4) connects
Light set (104), the tail end of light set (104) arranges spanner space (105).
Wind electricity blade attachment means the most according to claim 1, it is characterised in that: described chest expander (10) includes pull bar
And be arranged on the first swivel nut (14) and second swivel nut (16) of pull bar both sides, on the first swivel nut (14) and the second swivel nut (16) (15)
It is respectively provided with the first connecting plate (13) and the second connecting plate (17), the first connecting plate (13) and the second connecting plate (17) direction phase
Instead, the first connecting plate (13) and the second connecting plate (17) outside arrange the first connecting tube (12) and the second connecting tube (18), and first
Connecting tube (12) and the second connecting tube (18) tail end are provided with the first drag hook (11) and the second drag hook (19).
Wind electricity blade attachment means the most according to claim 2, it is characterised in that: described first drag hook (11) connects second
Second spanner space (7) of attachment means (102), the first spanner that the second drag hook (19) connects the first attachment means (101) is empty
Between (6).
Wind electricity blade attachment means the most according to claim 1, it is characterised in that: the internal non-threaded of described light set (104),
Both ends open.
Wind electricity blade attachment means the most according to claim 1, it is characterised in that: described bolt assembly (4) one end passes
Light set (104), stretches in spanner space (105).
Wind electricity blade attachment means the most according to claim 2, it is characterised in that: described pull bar (15) is left-and-right spiral
Stricture of vagina.
Wind electricity blade attachment means the most according to claim 2, it is characterised in that: described first connecting plate (13) and second
Connecting plate (17) is vertical with pull bar (15) respectively.
Wind electricity blade attachment means the most according to claim 2, it is characterised in that: described first connecting tube (12) and second
Connecting tube (18) is vertical with the first drag hook (11) and the second drag hook (19) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477371.3U CN205689355U (en) | 2016-05-24 | 2016-05-24 | A kind of wind electricity blade attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620477371.3U CN205689355U (en) | 2016-05-24 | 2016-05-24 | A kind of wind electricity blade attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689355U true CN205689355U (en) | 2016-11-16 |
Family
ID=57262693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620477371.3U Active CN205689355U (en) | 2016-05-24 | 2016-05-24 | A kind of wind electricity blade attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863956A (en) * | 2016-05-24 | 2016-08-17 | 白银中科宇能科技有限公司 | Wind power blade connecting device |
-
2016
- 2016-05-24 CN CN201620477371.3U patent/CN205689355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105863956A (en) * | 2016-05-24 | 2016-08-17 | 白银中科宇能科技有限公司 | Wind power blade connecting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |