CN203175768U - Detachable wind generating set blade and wind generating set - Google Patents
Detachable wind generating set blade and wind generating set Download PDFInfo
- Publication number
- CN203175768U CN203175768U CN2013201179240U CN201320117924U CN203175768U CN 203175768 U CN203175768 U CN 203175768U CN 2013201179240 U CN2013201179240 U CN 2013201179240U CN 201320117924 U CN201320117924 U CN 201320117924U CN 203175768 U CN203175768 U CN 203175768U
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- blade
- section
- apical segment
- connecting plate
- longeron
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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 utility model relates to a detachable wind generating set blade. The blade is divided into at least two portions which comprise at least one blade bottom section and at least one blade point section, wherein the end portion of each blade bottom section is detachably connected with each blade point section in the length direction. Each blade bottom section is provided with a longitudinal beam groove, each blade point section is provided with a longitudinal beam which is provided with an inhaul cable hole, and when each blade point section is hung, the longitudinal beam of each blade point section is inserted into the longitudinal beam groove of each blade bottom section and locked. Due to the fact that the blade is divided into the multiple blade bottom sections and the blade point sections, the multiple blade bottom sections are detachably connected with the blade point sections, before typhoon comes around, the blade point sections can be detached, and the strong-wind-resistant ability of the blade under the typhoon working condition can be greatly improved.
Description
Technical field
The utility model relates to a kind of detachable wind generator set blade and wind power generating set.
Background technique
China's southeastern coast economy is relatively more flourishing, and power consumption is big, and does not almost have coal resources, and the problem that the dependence fossil energy solves energy demand is very difficult.Southeastern coast and island wind resource thereof are abundant, possess the primary condition of development wind-power electricity generation and strong exploitation desire.But all strong wind processes once of coastal area, back are landed in the attack that all can be subjected to typhoon summer in this area every year, each typhoon, and along with global warming, intensity of typhoon also has the trend that strengthens year by year.High wind adds that violent rotation strengthens from center of typhoon, and the turbulence intensity that increases exponentially and rapids can produce great collapsing force to wind power generating set, and wind wheel blade is impaired particularly serious.
Traditional wind-driven generator group wind-wheel blade all is integrated, although subsection blade is also arranged, its starting point mainly is for the ease of transportation and installs.
The patent No. is that the China of CN201210225362.1 discloses a kind of foldable type blade on the length of blade direction in first to file " a kind of Large-scale Wind Turbines blade and application thereof ", blade is made up of end section, top section and fold mechanism, and the folding position is arranged on apart from blade tip 15% to 50% length of blade place.Section and blade top section connects by foldable shaft at the bottom of the blade, and blade top section can be rotated around foldable shaft.Behind the leaf folding, can reduce the acting force arm of vane stress; And make the direction of the suffered lift of blade top section and resistance reverse, thus make blade top section and the stressed of end section have part to cancel out each other, reduce the load of root of blade and unit, thereby improve the ability of resisting high wind of blade under the typhoon operating mode.Drive unit in the fold mechanism is motor driving or hydraulic driving.Blade uses locking device when folding fully or full open position, locking device is hydraulic locking or electromagnetic locking, and is useful on the folding position state sensor of identification blade current state and jackknife action control.
Should be that driving and actuating device in the fold mechanism must be installed in blade interior in the greatest problem that first to file exists, make in the leaf folding process at the driving fold mechanism, its required driving force is very big, can steadily work reliably in order to guarantee fold mechanism, the volume of fold mechanism is inevitable very huge, the weight of fold mechanism also strengthens thereupon, and this has not only fundamentally changed blade initial quality and center of gravity, and also the aerodynamic quality to blade produces influence greatly.Even if specially for it designs blade, the reliability of fold mechanism and locking device also is difficult to guarantee, as long as wherein fold mechanism and the locking device of any one blade break down, fatal crass's serious accident just might takes place.In addition, behind leaf folding, follow typhoon and the heavy rain that arrives can be poured in the inner chamber of at least one blade, after a large amount of rainwater injects, must cause very severe impairment to the electric control system of wind wheel inside, in addition cause the unit breaking out of fire, serious consequence such as topple.
The model utility content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of detachable wind generator set blade and wind power generating set are provided, reduce the stressed of wind wheel blade under the typhoon operating mode, improve the ability that wind power generating set is resisted typhoon.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of detachable wind generator set blade, described blade is divided at least two parts, described at least two parts comprise section and at least one blade apical segment at the bottom of at least one blade, the end of section and blade apical segment detachable connection in the longitudinal direction at the bottom of the described blade, section is provided with the longeron groove at the bottom of the described blade, described blade apical segment is provided with longeron, described longeron is provided with the drag-line hole, the longeron groove cooperation locking of section at the bottom of the longeron of blade apical segment insertion blade when described blade apical segment is lifted.
Further, the section end joint corresponding with the blade apical segment is equipped with the vertical connecting plate that is connected with the blade apical segment for section at the bottom of the blade at the bottom of the described blade, be equipped with bolt hole on vertical connecting plate of vertical connecting plate of section and blade apical segment at the bottom of the described blade, vertical connecting plate of blade apical segment is provided with nut, and vertically connecting bolt passes in the nut that vertical connecting plate of screwing in the blade apical segment behind the bolt hole of vertical connecting plate of the bolt hole of the vertical connecting plate of section at the bottom of the blade and blade apical segment is provided with fixing.
Further, the periphery of the section end corresponding with the blade apical segment is equipped with the metallic interconnect fixing threaded hole at the bottom of the described blade, the metallic interconnect set screw passes that metallic interconnect metallic interconnect fixing threaded hole of section at the bottom of blade is fixed or fixes to the metallic interconnect fixing threaded hole of blade apical segment, realize metallic interconnect respectively with the fixedlying connected of section at the bottom of the blade or blade apical segment.
A kind of wind power generating set with above-mentioned detachable wind generator set blade, described wind power generating set has wheel hub, the bottom of section is connected with wheel hub at the bottom of the blade of close wheel hub, be provided with winch in the described wheel hub, the drag-line of described winch is connected to the drag-line hole of longeron, and described winch is rolled or loosened drag-line and correspondingly the blade apical segment promoted or landing.
Wind power generating set has tower tube, hanging ladder, the sidewall of described tower tube is provided with can be for the manhole of operator's discrepancy, the height of the joint of section and blade apical segment is suitable at the bottom of the height of manhole and the blade, and described manhole is provided with sealed door outward, is provided with length-adjustable cable on the top of manhole.
The beneficial effects of the utility model are: (1) the utility model with the dismounting of blade apical segment, can greatly improve blade is resisted high wind under the typhoon operating mode ability because blade is divided into section and blade apical segment at the bottom of dismountable multistage blade before typhoon; (2) because after the dismounting of blade apical segment, section is installed the waterproof end cap at the bottom of blade, thereby can prevent effectively that rainwater is injected into the inner chamber of blade; (3) be installed in the wheel hub owing to winch, thus minimum to the aerodynamic effects of blade; (4) owing to section at the bottom of blade apical segment and blade is provided with longeron and longeron groove respectively, used drag-line and high-intensity metallic interconnect simultaneously, improved the mechanical strength of blade integral, thereby can bear bigger moment of torsion.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the partial sectional view in the blade apical segment cavity in the utility model;
Fig. 2 is the partial sectional view in the section cavity at the bottom of the blade in the utility model;
Fig. 3 is the partial enlarged drawing of the end of section and blade apical segment joint at the bottom of the blade in the utility model;
Fig. 4 is the assembly relation schematic representation of wheel hub and winch in the utility model;
Fig. 5 is the scheme of installation with wind power generating set of wind generator set blade of the present utility model;
Wherein: 1. section at the bottom of the blade, 1-1. metallic interconnect, 1-2. longeron groove, 1-3. the metallic interconnect fixing threaded hole, 1-4. metallic interconnect set screw, the vertical connecting plate of 1-5., 2. blade apical segment, 2-1. longeron, 2-2. bolt hole, 2-3. the drag-line hole, the vertical connecting bolt of 2-4., 3. tower tube, 3-1. manhole, 4. hanging ladder, 5. wheel hub, 5-1. winch, the 5-2. drag-line.
Embodiment
By reference to the accompanying drawings the utility model is further described now.The schematic representation that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
Shown in Figure 2 as Fig. 1, a kind of detachable wind generator set blade, blade is divided into two parts, two parts comprise section 1 and a blade apical segment 2 at the bottom of the blade, the end of section 1 and blade apical segment 2 detachable connection in the longitudinal direction at the bottom of the blade, section 1 is provided with longeron groove 1-2 at the bottom of the blade, and blade apical segment 2 is provided with longeron 2-1, longeron 2-1 is provided with drag-line hole 2-3, the longeron groove 1-2 cooperation locking of section 1 at the bottom of the longeron 2-1 of blade apical segment 2 insertion blade when blade apical segment 2 is lifted.
As shown in Figure 3, section 1 and blade apical segment 2 corresponding joints, end are equipped with the vertical connecting plate 1-5 that is connected with blade apical segment 2 for section at the bottom of the blade 1 at the bottom of the blade, be equipped with bolt hole 2-2 on vertical connecting plate 1-5 of vertical connecting plate 1-5 of section 1 and blade apical segment 2 at the bottom of the blade, vertical connecting plate 1-5 of blade apical segment 2 is provided with nut, and vertically connecting bolt 2-4 passes in the nut that vertical connecting plate 1-5 of screwing in blade apical segment 2 behind the bolt hole 2-2 of vertical connecting plate 1-5 of the bolt hole 2-2 of section 1 vertical connecting plate 1-5 at the bottom of the blade and blade apical segment 2 is provided with and fixes.
As shown in Figure 3, the periphery of the corresponding end of section 1 and blade apical segment 2 is equipped with metallic interconnect fixing threaded hole 1-3 at the bottom of the blade, metallic interconnect set screw 1-4 passes that metallic interconnect 1-1 metallic interconnect fixing threaded hole 1-3 of section 1 at the bottom of blade fixes or fixes to the metallic interconnect fixing threaded hole 1-3 of blade apical segment 2, realize metallic interconnect 1-1 respectively with the fixedlying connected of section at the bottom of the blade 1 or blade apical segment 2.
A kind of mounting and dismounting method of detachable wind generator set blade, detachable wind generator set blade is divided at least two parts, at least two parts comprise section and at least one blade apical segment at the bottom of at least one blade, shown in Figure 5 as Fig. 4, a kind of wind power generating set with above-mentioned detachable wind generator set blade, wind power generating set has wheel hub 5, the bottom of section is connected with wheel hub 5 at the bottom of the blade of the most close wheel hub 5, the end of section 1 and blade apical segment 2 detachable connection in the longitudinal direction at the bottom of the blade, section 1 is provided with longeron groove 1-2 at the bottom of the blade, blade apical segment 2 is provided with longeron 2-1, longeron 2-1 is provided with drag-line hole 2-3, the longeron groove 1-2 cooperation locking of section 1 at the bottom of the longeron 2-1 of blade apical segment 2 insertion blade when blade apical segment 2 is lifted, be provided with winch 5-1 in the wheel hub 5, the drag-line 5-2 of winch 5-1 is connected to the drag-line hole 2-3 of longeron 2-1, and winch 5-1 rolls or loosens drag-line 5-2 and correspondingly blade apical segment 2 promoted or landing.
The periphery of the corresponding end of section 1 and blade apical segment 2 is equipped with metallic interconnect fixing threaded hole 1-3 at the bottom of the blade, metallic interconnect set screw 1-4 passes that metallic interconnect 1-1 metallic interconnect fixing threaded hole 1-3 of section 1 at the bottom of blade fixes or fixes to the metallic interconnect fixing threaded hole 1-3 of blade apical segment 2, realize metallic interconnect 1-1 respectively with the fixedlying connected of section at the bottom of the blade 1 or blade apical segment 2.Metallic interconnect 1-1 except section 1 at the bottom of realizing blade effectively with the smooth outer surface of blade apical segment 2 is connected, also strengthened the blade joint simultaneously and be the mechanical strength of section 1 and blade apical segment 2 joints at the bottom of the blade.
The mounting and dismounting method of detachable wind generator set blade comprises installation method and method for dismounting, its method for dismounting is: dismantled before typhoon arrives, demounting procedure is: before the dismounting earlier with the blade apical segment 2 of blade down, locking wheel hub 5 is removed winch 5-1 locking then and drag-line 5-2 is loosened, after locking winch 5-1 again, remove metallic interconnect 1-1 earlier, and dismantle vertical connecting bolt 2-4, the longeron 2-1 of blade apical segment 2 is withdrawed from from longeron groove 1-2, after withdrawing from, removes longeron 2-1 the locking of winch 5-1 again, blade apical segment 2 is drop to ground, the waterproof end cap is installed in the end of section 1 at the bottom of the blade, section at the bottom of the blade 1 and blade apical segment 2 are disassembled into two sections that separate;
Its installation method is: typhoon is installed later, installation steps are: the waterproof end cap of the end of section 1 at the bottom of the dismounting blade, rolling drag-line 5-2 with winch 5-1 promotes the longeron 2-1 that makes blade apical segment 2 with blade apical segment 2 and inserts that the longeron groove 1-2 of section 1 cooperates locking at the bottom of the blade, winch 5-1 locking, vertically connecting bolt 2-4 passes in the nut that vertical connecting plate 1-5 of screwing in blade apical segment 2 behind the bolt hole 2-2 of vertical connecting plate 1-5 of the bolt hole 2-2 of section 1 vertical connecting plate 1-5 at the bottom of the blade and blade apical segment 2 is provided with and fixes, fastening metal connecting plate 1-1 then, section 1 is fixed together with blade apical segment 2 at the bottom of the blade.
Wind power generating set has tower tube 3, hanging ladder 4, the sidewall of tower tube 3 is provided with can be for the manhole 3-1 of operator's discrepancy, section 1 is suitable with the height of the joint of blade apical segment 2 at the bottom of the height of manhole 3-1 and the blade, manhole 3-1 is provided with sealed door outward, be provided with length-adjustable cable on the top of manhole 3-1, the hanging ladder 4 of telescopic level places tower tube 3 inside when flat, when needs are dismantled wind generator set blade or install, hanging ladder 3 stretches out, and operator are by the joint of hanging ladder 3 section 1 and blade apical segment 2 at the bottom of the blade.
The utility model is particularly useful for the typhoon area that takes place frequently to be used, the utility model can effectively reduce the stressed acting force arm of wind wheel blade under the typhoon operating mode, improve blade and resist the ability of high wind, after blade apical segment 2 separates, rainwater can't be injected in the inner chamber of blade, can realize more easily that blade apical segment 2 resets again later at typhoon.
Section and blade apical segment at the bottom of the configurable multistage blade of wind power generating set of the present utility model, the Placement at the bottom of the corresponding blade between section 1 and the blade apical segment 2 be Fig. 1 Fig. 2 Connecting format shown in Figure 3 as above.Can be according to the wind conditions of typhoon, concrete selection needs the quantity of the blade apical segment 2 of dismounting.
(1) the utility model is removed blade apical segment 2 before typhoon because blade is divided into section 1 and blade apical segment 2 at the bottom of dismountable multistage blade, can greatly improve blade is resisted high wind under the typhoon operating mode ability; (2) because after 2 dismountings of blade apical segment, section 1 is installed the waterproof end cap at the bottom of blade, thereby can prevent effectively that rainwater is injected into the inner chamber of blade; (3) be installed in the wheel hub 5 owing to winch 5-1, thus minimum to the aerodynamic effects of blade; (4) owing to section 1 at the bottom of blade apical segment 2 and blade is provided with longeron 2-1 and longeron groove 1-2 respectively, used drag-line 5-2 and high-intensity metallic interconnect 1-1 simultaneously, improved the mechanical strength of blade integral, thereby can bear bigger moment of torsion.
Be enlightenment with above-mentioned foundation desirable embodiment of the present utility model, by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this model utility technological thought.The technical scope of this model utility is not limited to the content on the specification, must determine its technical scope according to the claim scope.
Claims (5)
1. detachable wind generator set blade, it is characterized in that: described blade is divided at least two parts, described at least two parts comprise section (1) and at least one blade apical segment (2) at the bottom of at least one blade, the end of section at the bottom of the described blade (1) and blade apical segment (2) be detachable the connection in the longitudinal direction, section at the bottom of the described blade (1) is provided with longeron groove (1-2), described blade apical segment (2) is provided with longeron (2-1), described longeron (2-1) is provided with drag-line hole (2-3), and the longeron groove (1-2) of section (1) cooperates locking at the bottom of longeron (2-1) the insertion blade of described blade apical segment (2) blade apical segment (2) when being lifted.
2. a kind of detachable wind generator set blade according to claim 1, it is characterized in that: section at the bottom of the described blade (1) the end joint corresponding with blade apical segment (2) is equipped with the vertical connecting plate (1-5) that is connected with blade apical segment (2) for section at the bottom of the blade (1), be equipped with bolt hole (2-2) on vertical connecting plate (1-5) of section at the bottom of the described blade (1) and the vertical connecting plate (1-5) of blade apical segment (2), vertical connecting plate (1-5) of blade apical segment (2) is provided with nut, and vertically connecting bolt (2-4) passes section (1) at the bottom of the blade and vertically screws in the nut that vertical connecting plate (1-5) of blade apical segment (2) is provided with fixing in bolt hole (2-2) back of vertical connecting plate (1-5) of the bolt hole (2-2) of connecting plate (1-5) and blade apical segment (2).
3. a kind of detachable wind generator set blade according to claim 1, it is characterized in that: the periphery of the end that section at the bottom of the described blade (1) is corresponding with blade apical segment (2) is equipped with metallic interconnect fixing threaded hole (1-3), it is fixing or fixing to the metallic interconnect fixing threaded hole (1-3) of blade apical segment (2) that metallic interconnect set screw (1-4) passes the metallic interconnect fixing threaded hole (1-3) of metallic interconnect (1-1) section (1) at the bottom of blade, realize metallic interconnect (1-1) respectively with the fixedlying connected of section at the bottom of the blade (1) or blade apical segment (2).
4. wind power generating set with each described detachable wind generator set blade of claim 1-3, it is characterized in that: described wind power generating set has wheel hub (5), the bottom of section (1) is connected with wheel hub (5) at the bottom of the blade of the most close wheel hub (5), be provided with winch (5-1) in the described wheel hub (5), the drag-line (5-2) of described winch (5-1) is connected to the drag-line hole (2-3) of longeron (2-1), and described winch (5-1) is rolled or loosened drag-line (5-2) and correspondingly blade apical segment (2) promoted or landing.
5. wind power generating set according to claim 4, it is characterized in that: wind power generating set has tower tube (3), hanging ladder (4), the sidewall of described tower tube (3) is provided with can be for the manhole (3-1) of operator's discrepancy, section (1) is suitable with the height of the joint of blade apical segment (2) at the bottom of the height of manhole (3-1) and the blade, described manhole (3-1) is outer to be provided with sealed door, is provided with length-adjustable cable on the top of manhole (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201179240U CN203175768U (en) | 2013-03-14 | 2013-03-14 | Detachable wind generating set blade and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201179240U CN203175768U (en) | 2013-03-14 | 2013-03-14 | Detachable wind generating set blade and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203175768U true CN203175768U (en) | 2013-09-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201179240U Withdrawn - After Issue CN203175768U (en) | 2013-03-14 | 2013-03-14 | Detachable wind generating set blade and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203175768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195664A (en) * | 2013-03-14 | 2013-07-10 | 江苏新誉重工科技有限公司 | Detachable vane of wind power generating set and installing and detaching method thereof |
-
2013
- 2013-03-14 CN CN2013201179240U patent/CN203175768U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195664A (en) * | 2013-03-14 | 2013-07-10 | 江苏新誉重工科技有限公司 | Detachable vane of wind power generating set and installing and detaching method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |