CN205243733U - Blade is led and is just installed and wind generating set - Google Patents
Blade is led and is just installed and wind generating set Download PDFInfo
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- CN205243733U CN205243733U CN201521065665.7U CN201521065665U CN205243733U CN 205243733 U CN205243733 U CN 205243733U CN 201521065665 U CN201521065665 U CN 201521065665U CN 205243733 U CN205243733 U CN 205243733U
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- correcting
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- leaf conductance
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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
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Abstract
The utility model provides a blade is led and is just installed and wind generating set. This blade is just led, and the device includes: the rooting -in of blades bolt, lead positive mechanism, lead that positive mechanism is fixed to be set up on the rooting -in of blades bolt, and lead positive mechanism and lead positive portion and be located including the blade that is located the blade and lead positive portion with the bearing of blade complex change oar bearing. This blade is led just to install and just to be led the blade well, has also improved blade hoist and mount efficiency when improving the hoist and mount quality.
Description
Technical field
The utility model relates to the auxiliary equipment field of wind power generating set, relates in particular to a kind of bladeGuide device and wind power generating set.
Background technology
In the blades installation process of wind power generating set, blade pass is crossed blade bolt and pitch variable bearingsBe fixedly connected with. This process is right also referred to as the group of blade and pitch variable bearings. In order to ensure blades installationReliably, and blade bolt vane group to after be not subject to shearing, need to make the spiral shell of the flange at bottom of bladeThe dead in line of the screwed hole on axis and the pitch variable bearings of keyhole. For this reason, need to be in blade and changeOar bearing group to time use the correcting of correcting rod.
At present turbines vane group when using the correcting of correcting rod, is affected by wheel hub structure, leads putting intoWhen positive rod, need to consider the position of the relative wheel hub of blade, carry out mark, otherwise can not get out. ?Just be rivals in a contest in the position of correcting rod also needs to become oar operation, and blade is changed to correct position abilityCorrecting rod is taken out, so make correcting rod put into and take out blade and waste time and energy. And lead while taking-upPositive rod and pitch variable bearings and easily stuck difficult taking-up of blade.
Because correcting rod takes out difficulty, indivedual scenes can not used correcting rod for raising the efficiency, ifVane group to time do not use correcting rod, blade and pitch variable bearings can misalign, and cause blade bolt to be subject toBecome the shearing of bearing and blade flange, fracture probability is very high, increases later maintenance cost, reducesUnit utilization rate.
Utility model content
Embodiment of the present utility model provides a kind of Leaf Conductance equipment and wind power generating set, to separateThe certainly awkward problem of guide device in blade and bearing assemble process.
For achieving the above object, embodiment of the present utility model provides a kind of Leaf Conductance equipment, bagDraw together: blades installation bolt; Guiding mechanism, guiding mechanism is fixedly installed on blades installation bolt,And guiding mechanism comprises and is positioned at the blade correcting portion of blade and is positioned at the change oar axle coordinating with bladeBearing correcting portion in holding.
Further, guiding mechanism is guide sleeve, and guide sleeve is bonded in the periphery of blades installation bolt.
Further, guide sleeve comprises at least two separate correcting lobes, at least two correctingsLobe is trapped among successively the periphery of blades installation bolt and forms guide sleeve.
Further, blade correcting portion comprise the first tapered guide section and with the first tapered guide section oneThe first body formed correcting section, bearing correcting portion comprises the second tapered guide section and draws with the second taperIntegrated the second correcting section of the section of leading, the first correcting section of blade correcting portion and bearing correcting portionThe second correcting section is one-body molded.
Further, along the direction of the first tapered guide section to the second tapered guide section, the first taperThe diameter of boot segment increases gradually, and the diameter of the second tapered guide section reduces gradually.
Further, guiding mechanism is one-body molded on blades installation bolt.
Further, blade correcting portion comprise the first tapered guide section and with the first tapered guide section oneThe first body formed correcting section, bearing correcting portion comprises the second tapered guide section and draws with the second taperIntegrated the second correcting section of the section of leading, has groove between the first correcting section and the second correcting section.
Further, the first end of blades installation bolt has the blade spiro rod section coordinating with blade,The second end of blades installation bolt has the bearing spiro rod section coordinating with pitch variable bearings.
According on the other hand of the present utility model, a kind of wind power generating set is provided, comprise blade andThe pitch variable bearings being connected with blade, blade and pitch variable bearings are tight by least two Leaf Conductance equipmentsGu at least two Leaf Conductance formal dress are set to above-mentioned Leaf Conductance equipment.
Further, Leaf Conductance formal dress is set to two, and two Leaf Conductance equipments are positioned at change oar axleTwo ends on the diameter holding; Or Leaf Conductance formal dress is set to more than two, and plural Leaf ConductanceEquipment is along the circumferentially evenly interval setting of pitch variable bearings.
The guiding mechanism of the Leaf Conductance equipment of embodiment of the present utility model and blades installation boltBe mounted to together in blade and pitch variable bearings, can carry out correcting to blade, improve lifting efficiency andQuality, because guiding mechanism itself is not subject to pulling force, thereby it is not subject to shearing in blade working process,Can also prevent that blades installation bolt is subject to shearing. After completing, leaf blade hanging need not take out guiding mechanism,Reduce operation.
Brief description of the drawings
Fig. 1 is the structural representation of the Leaf Conductance equipment of the first embodiment of the present utility model;
Fig. 2 is that the master of the guiding mechanism of the Leaf Conductance equipment of the first embodiment of the present utility model looksFigure;
Fig. 3 is the overlooking of guiding mechanism of the Leaf Conductance equipment of the first embodiment of the present utility modelFigure;
Fig. 4 is the Leaf Conductance equipment structural representation of the second embodiment of the present utility model;
Fig. 5 is the structural representation of the wind power generating set of the first embodiment of the present utility model;
Fig. 6 is the top view of the wind power generating set of the first embodiment of the present utility model;
Fig. 7 is the structure at another visual angle of the wind power generating set of the first embodiment of the present utility modelSchematic diagram;
Fig. 8 is the partial enlarged drawing at A place in Fig. 7.
Description of reference numerals:
1, blades installation bolt; 11, blade spiro rod section; 12, bearing spiro rod section; 2, correcting machineStructure; 21, blade correcting portion; 211, the first tapered guide section; 212, the first correcting section; 22,Bearing correcting portion; 222, the second correcting section; 221, the second tapered guide section; 23, correcting lobe;5, groove; 7, pitch variable bearings; 6, blade; 10, blade and bearing binding face.
Detailed description of the invention
Leaf Conductance equipment and wind-driven generator below in conjunction with accompanying drawing to the utility model embodimentGroup is described in detail.
Embodiment mono-
As shown in Figure 1, Figure 2 with shown in Fig. 5, according to embodiment of the present utility model, Leaf Conductance formal dressPut and comprise blades installation bolt 1 and guiding mechanism 2. Wherein, blades installation bolt 1 is for connectingBlade 6 and pitch variable bearings 7, be fixed on pitch variable bearings 7 blade 6. Guiding mechanism 2 is fixingBe arranged on blades installation bolt 1, and guiding mechanism 2 comprises the blade correcting portion that is positioned at blade21 and be positioned at the bearing correcting portion 22 of the pitch variable bearings 7 coordinating with blade. By by correcting machineStructure 2 be fixedly installed on blades installation bolt 1 can 7 groups of blade 6 and pitch variable bearings to time enterRow correcting, ensures can not cause spiral shell because bolt is subject to shearing in the course of the work after blade 6 is installedBolt fracture. Meanwhile, because guiding mechanism 2 is fixedly connected with blades installation bolt 1, make to installAfter completing, guiding mechanism 2 need not take out, and has reduced operation, has reduced labour intensity, has avoided leadingJust overlapping and be difficult for taking out the low problem of production efficiency causing.
Blades installation bolt 1 is for connecting blade 6 and pitch variable bearings 7, blades installation bolt 1First end has the blade spiro rod section 11 coordinating with blade, and the second end of blades installation bolt 1 hasBearing spiro rod section 12 with bearing fit. This blades installation bolt 1 can be selected of the prior artFor connecting the connecting bolt of blade 6 and pitch variable bearings 7.
In conjunction with referring to shown in Fig. 2 and Fig. 3, guiding mechanism 2 is guide sleeve, and guide sleeve is bonded in leafThe periphery of sheet construction bolt 1. In the present embodiment, guide sleeve comprise at least two separateCorrecting lobe 23, at least two correcting lobes 23 are around in periphery the shape of blades installation bolt 1 successivelyBecome guide sleeve. Particularly, guide sleeve is made up of the correcting lobe 23 of two semicircles. Two semicirclesCorrecting lobe 23 can ensure metal by high strength acrylic acid ergo1690 or ergo9900 or otherBond on blades installation bolt 1 with the glue of nonmetal reliable bonding, can be bonded in easilyOn blades installation bolt 1, and ensure to have in use good correcting effect.
Certainly, in other embodiments, correcting lobe 23 can be multiple, and guide sleeve is by multiple arcsThe correcting lobe 23 of shape forms.
Preferably, for the ease of assembling, and guarantee correcting effect. Blade correcting portion 21 comprisesOne tapered guide section 211 and the first correcting section 212, wherein the first correcting section 212 and the first taperBoot segment 211 is one-body molded. Bearing correcting portion 22 comprises the second tapered guide section 221 and secondCorrecting section 222, the second correcting sections 222 and the second tapered guide section 221 are one-body molded. Leaf ConductanceThe first correcting section 212 of positive portion 21 is one-body molded with the second correcting section 222 of bearing correcting portion 22.
The effect of the first tapered guide section 211 and the second tapered guide section 221 is for the ease of correctingMechanism 2 stretches in the hole of blade 6 or pitch variable bearings 7, makes correcting efficiency higher. The first correcting section212 and the effect of the second correcting section 222 are the concentricitys in order to ensure blade 6 and pitch variable bearings 7.
Particularly, along the direction of the first tapered guide section 211 to second tapered guide sections 221, theThe diameter of one tapered guide section 211 increases gradually, to the equal diameters of the first correcting section 212.The diameter of the second tapered guide section 221 is by reducing gradually with the equal diameters of the second correcting section 222.
It should be noted that, the first correcting section 212 and the second correcting section 222 be divided into virtual strokePoint, also according to blade and bearing binding face 10 by correcting lobe 23 people for being divided into two parts,In fact both are structure as a whole.
After guiding mechanism 2 is bonding with blades installation bolt, due to the existence of machining accuracy and bonded adhesivesThe diameter that may cause the first correcting section 212 and the second correcting section 222 is not etc. In order to reach correctingEffect, prevents that other bolts that connect blade 6 and pitch variable bearings 7 from being sheared effectively, needsEnsure in the diameter of the first correcting section 212 and the second correcting section 222 smallest diameter portion and change oarThe absolute value of the difference of the diameter of bolt hole of bearing 7 should be less than 2mm; The first correcting section 212 and secondIn the diameter of correcting section 222, the difference of the diameter of bolt hole of maximum gauge part and pitch variable bearings 7Absolute value should be less than 1mm.
Preferably, 50mm in the minimum bolt hole that enters blade 6 of the first correcting section 212, secondCorrecting section 222 at least enters the interior 50mm of bolt hole of pitch variable bearings 7, is also the first correcting section 212Should be 100mm with the minimum length of the second correcting section 222.
As shown in Fig. 5 to 8, according on the other hand of the present utility model, provide a kind of wind-power electricity generationUnit, comprises blade 6 and the pitch variable bearings 7 being connected with blade 6, blade 6 and pitch variable bearings 7Fastening by least two Leaf Conductance equipments, at least two Leaf Conductance formal dress are set to above-mentioned bladeGuide device. Utilize this Leaf Conductance equipment to carry out correcting to blade 6. When blade 6 and change oar axleHold 7 groups to after completing, the blade correcting portion 21 of guiding mechanism 2 is positioned at the screwed hole of blade 6,Bearing correcting portion 22 is positioned at the screwed hole of pitch variable bearings 7, reaches the object of blade 6 correctings.Its all bolts that can prevent blade 6 are sheared. After blade 6 correctings, guiding mechanism 2Need not take out, not exist and be subject to wind power generating set structure influence to cause taking out difficult problem, also notCan affect wind power generating set operation. In addition,, because guiding mechanism 2 exists all the time, it is at bladeIn 6 running, can prevent that blade 6 from departing from center.
As shown in Figure 6, Leaf Conductance formal dress is set to two, and two Leaf Conductance equipments are positioned at change oarTwo ends on the diameter of bearing 7 are to can guarantee correcting effect. Certainly, in other embodiments,Leaf Conductance equipment can be unnecessary two, and the plurality of Leaf Conductance equipment is circumferential along pitch variable bearings 7Evenly interval arranges, to guarantee correcting effect.
Utilize this Leaf Conductance equipment as follows to the process of blade correcting:
One end of blades installation bolt 1 (having one end of blade spiro rod section 11) screwed in to blade 6Built-in turnbuckle (built-in turnbuckle formation screwed hole) in, the other end (tool of blades installation bolt 1Have one end of bearing spiro rod section 12) through pitch variable bearings 7. A part for guiding mechanism 2 is positioned at leafIn sheet 6, another part of guiding mechanism 2 is positioned at pitch variable bearings 7, and blade is carried out to correcting.Thus, in the time that blade 6 assembles, solve blade centering problem, can improve wind power generating set lifting effectRate; Blade centering effect is better, can improve unit product quality, improves each blade uniformity, subtractsLittle vibration of wind generating set probability, improves wind power generating set generated energy.
Can make to connect blade 6 and become oar axle after wind power generating set lifting by Leaf Conductance equipmentHold 7 blades installation bolt and do not sheared, significantly reduce blades installation bolt and sheared and ruptureProbability, reduces wind power generating set maintenance number of times, improves wind power generating set product quality, reducesWind power generating set operation expense.
It should be noted that, vane group to time forbid that violence operation causes guiding mechanism 2 to come off,Affect correcting effect.
Embodiment bis-
In the present embodiment, guiding mechanism 2 is one-body molded on blades installation bolt 1. It need notBonding form is connected with blades installation bolt 1. Particularly, along blades installation bolt 1 axially,Blade correcting portion 21 and bearing correcting portion 22 intervals arrange. Blade correcting portion 21 comprises the first coneShape boot segment 211 and the first correcting section 212, the first correcting sections 212 and the first tapered guide section 211One-body molded. Bearing correcting portion 22 comprises the second tapered guide section 221 and the second correcting section 222,The second correcting section 222 and the second tapered guide section 221 are one-body molded.
The effect of blade correcting portion 21 and bearing correcting portion 22 is identical with embodiment mono-, at this no longerRepeat.
In the present embodiment, in order to prevent that shearing force from acting on blades installation bolt 1, first leadsBetween positive section 212 and the second correcting section 222, there is groove 5. The size of groove 5 can be according to toolBody demand is selected, and in the present embodiment, the width of groove 5 is 10mm, and the degree of depth is not less than 5mm,And the diameter that ensures groove is greater than the diameter at bolt light rod place, and step junction is fillet everywhere,And be not less than R1. This groove 5 can prevent when making Leaf Conductance equipment play correcting effectBlades installation bolt 1 bears shearing force.
Leaf Conductance equipment of the present utility model and wind power generating set have following effect:
By Leaf Conductance equipment wind generator set blade group to time carry out correcting, can solveLeaf Conductance equipment takes out difficult problem, improves lifting efficiency and quality.
Solved wind generator set blade construction bolt is easy to be sheared after blade assemblingPower, causes the easily problem of fracture of wind power generating set operation a period of time rear blade construction bolt.Can improve wind power generating set lifting quality, reduce wind power generating set later maintenance.
Leaf Conductance equipment need not take out, and improves wind power generating set lifting efficiency.
The above, be only detailed description of the invention of the present utility model, but protection of the present utility modelScope is not limited to this, and any those skilled in the art of being familiar with disclose at the utility modelTechnical scope in, can expect easily change or replace, all should be encompassed in protection of the present utility modelWithin scope. Therefore, protection domain of the present utility model should be with the protection domain of described claimBe as the criterion.
Claims (10)
1. a Leaf Conductance equipment, is characterized in that, comprising:
Blades installation bolt (1);
Guiding mechanism (2), described guiding mechanism (2) is fixedly installed on described blades installation spiral shellBolt (1) is upper, and described guiding mechanism (2) comprises the blade correcting portion (21) that is positioned at bladeWith the bearing correcting portion (22) that is positioned at the pitch variable bearings (7) coordinating with described blade.
2. Leaf Conductance equipment according to claim 1, is characterized in that, described correcting machineStructure (2) is guide sleeve, and described guide sleeve is bonded in the periphery of described blades installation bolt (1).
3. Leaf Conductance equipment according to claim 2, is characterized in that, described guide sleeveComprise at least two separate correcting lobes (23), at least two described correcting lobes (23) are complied withInferiorly be trapped among the periphery of described blades installation bolt (1) and form described guide sleeve.
4. Leaf Conductance equipment according to claim 3, is characterized in that, described Leaf ConductancePositive portion (21) comprise the first tapered guide section (211) and with described the first tapered guide section (211)Integrated the first correcting section (212), described bearing correcting portion (22) comprises the second taperBoot segment (221) and with integrated the second correcting section of described the second tapered guide section (221)(222), the first correcting section (212) of described blade correcting portion (21) and described bearing correctingThe second correcting section (222) of portion (22) is one-body molded.
5. Leaf Conductance equipment according to claim 4, is characterized in that, along described firstTapered guide section (211) is to the direction of described the second tapered guide section (221), and described first boresThe diameter of shape boot segment (211) increases gradually, the diameter of described the second tapered guide section (221)Reduce gradually.
6. Leaf Conductance equipment according to claim 1, is characterized in that, described correcting machineStructure (2) is one-body molded on described blades installation bolt (1).
7. Leaf Conductance equipment according to claim 6, is characterized in that, described Leaf ConductancePositive portion (21) comprise the first tapered guide section (211) and with described the first tapered guide section (211)Integrated the first correcting section (212), described bearing correcting portion (22) comprises the second taperBoot segment (221) and with integrated the second correcting section of described the second tapered guide section (221)(222), between described the first correcting section (212) and described the second correcting section (222), haveGroove (5).
8. Leaf Conductance equipment according to claim 1, is characterized in that, described blade peaceThe first end of dress bolt (1) has the blade spiro rod section (11) coordinating with described blade, described inThe second end of blades installation bolt (1) has the bearing screw rod coordinating with described pitch variable bearings (7)Section (12).
9. a wind power generating set, comprises blade (6) and the change being connected with described blade (6)Oar bearing (7), is characterized in that, described blade (6) passes through with described pitch variable bearings (7)At least two Leaf Conductance equipments are fastening, and described at least two described Leaf Conductance formal dress are set to right and wantAsk the Leaf Conductance equipment described in any one in 1 to 8.
10. wind power generating set according to claim 9, is characterized in that, described bladeGuide device is two, and two described Leaf Conductance equipments are positioned at described pitch variable bearings (7)Two ends on diameter; Or
Described Leaf Conductance formal dress is set to more than two, and plural described Leaf Conductance equipmentAlong the circumferentially evenly interval setting of described pitch variable bearings (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065665.7U CN205243733U (en) | 2015-12-18 | 2015-12-18 | Blade is led and is just installed and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521065665.7U CN205243733U (en) | 2015-12-18 | 2015-12-18 | Blade is led and is just installed and wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243733U true CN205243733U (en) | 2016-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521065665.7U Active CN205243733U (en) | 2015-12-18 | 2015-12-18 | Blade is led and is just installed and wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205243733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3657012A1 (en) * | 2018-11-20 | 2020-05-27 | Nordex Energy GmbH | Centring pin for the creation of a flange joint between two components of a wind power plant, method for producing a flange connection and flange connection |
-
2015
- 2015-12-18 CN CN201521065665.7U patent/CN205243733U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3657012A1 (en) * | 2018-11-20 | 2020-05-27 | Nordex Energy GmbH | Centring pin for the creation of a flange joint between two components of a wind power plant, method for producing a flange connection and flange connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |