CN103195664A - Detachable vane of wind power generating set and installing and detaching method thereof - Google Patents
Detachable vane of wind power generating set and installing and detaching method thereof Download PDFInfo
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- CN103195664A CN103195664A CN2013100819831A CN201310081983A CN103195664A CN 103195664 A CN103195664 A CN 103195664A CN 2013100819831 A CN2013100819831 A CN 2013100819831A CN 201310081983 A CN201310081983 A CN 201310081983A CN 103195664 A CN103195664 A CN 103195664A
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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
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- 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 relates to a detachable vane of a wind power generating set and an installing and detaching method thereof. The vane is divided into at least two parts, wherein the at least two parts comprise at least one vane bottom section and at least one vane tip section; the end part of the vane bottom section is in detachable connection with the vane tip section in the length direction; a longitudinal beam slot is formed in the vane bottom section; a longitudinal beam is arranged on the vane tip section; a pull rope hole is formed in the longitudinal beam; and when the vane tip section is hung, the longitudinal beam of the vane tip section is inserted into the longitudinal beam slot of the vane bottom section and is locked in a matching way. The installing and detaching method of the detachable vane of the wind power generating set comprises the following steps: providing a hub for the wind power generating set; connecting the bottom of the vane bottom section closest to the hub with the hub; arranging a winding machine inside the hub; connecting a pull rope of the winding machine to the pull rope hole of the longitudinal beam; and winding or unwinding the pull rope of the winding machine to correspondingly lift or drop the vane tip section. The vane is divided into multiple detachable sections, including the vane bottom section and the vane tip section, and before a typhoon, the vane tip section is detached, so that the strong wind resisting capability of the vane in the working condition of the typhoon can be greatly improved.
Description
Technical field
The present invention relates to a kind of detachable wind generator set blade and mounting and dismounting method thereof.
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.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, a kind of detachable wind generator set blade and mounting and dismounting method thereof 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 technical solution adopted for the present invention to solve the technical problems 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 mounting and dismounting method of detachable wind generator set blade, described detachable wind generator set 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, 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, 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, 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.
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 vertical connecting plate of section at the bottom of the blade and blade apical segment is provided with fixing.
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.
The mounting and dismounting method of described detachable wind generator set blade comprises installation method and method for dismounting, described method for dismounting is: dismantled before typhoon arrives, demounting procedure is: before the dismounting earlier with the blade apical segment of blade down, the locking wheel hub is removed the winch locking then and drag-line is loosened, after locking winch again, remove metallic interconnect earlier, and dismantle vertical connecting bolt, the longeron of blade apical segment is withdrawed from from the longeron groove, after withdrawing from, removes longeron the locking of winch again, the blade apical segment is drop to ground, the waterproof end cap is installed in the end of section at the bottom of the blade, section at the bottom of the blade and blade apical segment are disassembled into two sections that separate.
Described installation method is: typhoon is installed later, installation steps are: the waterproof end cap of the end of section at the bottom of the dismounting blade, rolling drag-line with winch promotes the longeron make the blade apical segment with the blade apical segment and inserts that the longeron groove of section cooperates locking at the bottom of the blade, the winch locking, 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, fastening metal connecting plate then, section and blade apical segment are fixed together at the bottom of the blade.
Further, 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, described manhole is provided with sealed door outward, be provided with length-adjustable cable on the top of manhole, the hanging ladder of telescopic level places tower tube inside at ordinary times, when needs are dismantled wind generator set blade or install, hanging ladder stretches out, and operator are by the joint of the hanging ladder of level section and blade apical segment at the bottom of the blade.
The invention has the beneficial effects as follows: (1) the present invention 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
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is the partial sectional view in the blade apical segment cavity among the present invention;
Fig. 2 is the partial sectional view in the section cavity at the bottom of the blade among the present invention;
Fig. 3 is the partial enlarged drawing of the end of section and blade apical segment joint at the bottom of the blade among the present invention;
Fig. 4 is the assembly relation schematic representation of wheel hub and winch among the present invention;
Fig. 5 is the scheme of installation with wind power generating set of wind generator set blade of the present invention;
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
The present invention is further illustrated by reference to the accompanying drawings now.The schematic representation that these accompanying drawings are simplification only illustrates basic structure of the present invention in a schematic way, so it only shows the formation relevant with the present invention.
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, 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 present invention is particularly useful for the typhoon area that takes place frequently and uses, the present invention 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 invention, 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 present invention removes 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 invention, 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 invention technological thought.The technical scope of this invention 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. the mounting and dismounting method of a detachable wind generator set blade, it is characterized in that: described detachable wind generator set 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, 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), 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), 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, 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;
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);
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);
The mounting and dismounting method of described detachable wind generator set blade comprises installation method and method for dismounting, described 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) then and is locked and make drag-line (5-2) to loosen, 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) 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;
Described 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) with winch (5-1) promotes the longeron (2-1) make 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) bolt hole (2-2) back of passing vertical connecting plate (1-5) of the bolt hole (2-2) of vertical connecting plate (1-5) of section (1) at the bottom of the blade and blade apical segment (2) screws in the nut that vertical connecting plate (1-5) of blade apical segment (2) is provided with fixing, fastening metal connecting plate (1-1) then, section at the bottom of the blade (1) is fixed together with blade apical segment (2).
5. the mounting and dismounting method of a kind of detachable wind generator set blade 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, the outer sealed door that is provided with of described manhole (3-1), top at manhole (3-1) is provided with length-adjustable cable, the hanging ladder of telescopic level (4) places tower tube inside at ordinary times, when needs are dismantled wind generator set blade or install, hanging ladder (4) stretches out, and operator are by the joint of the hanging ladder (4) of level section (1) and blade apical segment (2) at the bottom of the blade.
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CN201310081983.1A CN103195664B (en) | 2013-03-14 | 2013-03-14 | Detachable vane of wind power generating set and installing and detaching method thereof |
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CN201310081983.1A CN103195664B (en) | 2013-03-14 | 2013-03-14 | Detachable vane of wind power generating set and installing and detaching method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112204249A (en) * | 2018-05-29 | 2021-01-08 | 乌本产权有限公司 | Wind turbine rotor blade |
CN112894270A (en) * | 2020-12-28 | 2021-06-04 | 深圳南山热电股份有限公司 | Gas turbine compressor primary movable blade dismantling process |
CN113700598A (en) * | 2021-09-17 | 2021-11-26 | 中国华能集团清洁能源技术研究院有限公司 | Blade tip structure connecting device of horizontal shaft wind generating set |
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CN101463794A (en) * | 2007-12-19 | 2009-06-24 | 通用电气公司 | Multi-segment wind turbine blade and method for assembling the same |
CN101990599A (en) * | 2008-09-04 | 2011-03-23 | 三菱重工业株式会社 | Wind wheel blade |
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CN100360796C (en) * | 2002-08-02 | 2008-01-09 | 通用电气公司 | Method for producing a rotor blade, a corresponding rotor blade and a wind power plant |
US20090136355A1 (en) * | 2007-09-17 | 2009-05-28 | General Electric Company | System and method for joining turbine blades |
CN101463794A (en) * | 2007-12-19 | 2009-06-24 | 通用电气公司 | Multi-segment wind turbine blade and method for assembling the same |
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CN203175768U (en) * | 2013-03-14 | 2013-09-04 | 江苏新誉重工科技有限公司 | Detachable wind generating set blade and wind generating set |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112204249A (en) * | 2018-05-29 | 2021-01-08 | 乌本产权有限公司 | Wind turbine rotor blade |
CN112894270A (en) * | 2020-12-28 | 2021-06-04 | 深圳南山热电股份有限公司 | Gas turbine compressor primary movable blade dismantling process |
CN113700598A (en) * | 2021-09-17 | 2021-11-26 | 中国华能集团清洁能源技术研究院有限公司 | Blade tip structure connecting device of horizontal shaft wind generating set |
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