CN208431112U

CN208431112U - A kind of wind power generating set blade

Info

Publication number: CN208431112U
Application number: CN201821118589.5U
Authority: CN
Inventors: 李玉军; 董永良
Original assignee: Suzhou Huaneng Dynamo Co Ltd
Current assignee: Suzhou Huaneng Dynamo Co Ltd
Priority date: 2018-07-16
Filing date: 2018-07-16
Publication date: 2019-01-25
Anticipated expiration: 2028-07-16

Abstract

The utility model discloses a kind of wind power generating set blades, including blade section and pitch variable bearings, the input terminal of the blade section is equipped with pitch variable bearings, there is pitch variable bearings outer ring in the pitch variable bearings, pitch variable bearings inner ring is wrapped up in the pitch variable bearings outer ring, the inner wall of the pitch variable bearings inner ring is fixedly installed with propeller pitch angle bevel gear, between the propeller pitch angle bevel gear on be evenly distributed with mounting hole.The utility model is provided with mounting hole, multiple mounting holes effectively secure blade and device, keep blade more firm, the workload for reducing later stage work personnel, also reduces the expense of later maintenance, the angle of the existing angle of fan blade Yu its running track level can effectively be adjusted by being provided with propeller pitch angle bevel gear, improve the practicability of device, it is provided with nano superhydrophobic coating, has the function of reducing resistance and self-cleaning, reducing resistance allows device preferably to generate electricity.

Description

A kind of wind power generating set blade

Technical field

The utility model relates to building machinery technical field, specially a kind of wind power generating set blade.

Background technique

Wind-driven generator is to convert wind energy into mechanical work, and mechanical work drives rotor rotation, the electricity of final output alternating current Power equipment.Wind-driven generator generally have wind wheel, generator (including device), direction-regulator (empennage), pylon, speed-limiting safety mechanism and The components such as energy storage device composition, the working principle of wind-driven generator is fairly simple, and wind wheel rotates under the action of the forces of the wind, it keeps watch Kinetic energy be changed into the mechanical energy of rotor shaft, generator rotary electrification under the drive of rotor shaft, the blade in wind-driven generator Design directly affect the transfer efficiency of wind energy, directly affect its annual electricity generating capacity, be an important ring for wind energy utilization, blade is wind Most basic and most critical component in power generator, good design, reliable quality and superior performance are to guarantee unit The determinant of normal table operation, large-scale blade needs loop wheel machine to go to install during installation, and be used for a long time loosen need through Often maintenance needs to design a kind of blade for securely reducing maintenance times.

Utility model content

The purpose of this utility model is to provide a kind of wind power generating set blades, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of wind power generating set blade, including Blade section and pitch variable bearings, the input terminal of the blade section are equipped with pitch variable bearings, have pitch axis in the pitch variable bearings Outer ring is held, wraps up pitch variable bearings inner ring in the pitch variable bearings outer ring, the inner wall of the pitch variable bearings inner ring is fixedly installed with paddle Elongation bevel gear, between the propeller pitch angle bevel gear on be evenly distributed with mounting hole.

Preferably, the surface of the blade section is coated with nano superhydrophobic coating.

Preferably, the surface of the blade section is coated with electromagnetic screen coating.

Preferably, the surface of the blade section is coated with water-based metal rust-proof coating.

Preferably, the surface of the blade section is coated with Si anti-reflection coating.

Compared with prior art, the utility model has the beneficial effects that the wind power generating set is relatively traditional with blade Wind power generating set is provided with mounting hole with the blade present apparatus, and multiple mounting holes effectively secure blade and device, make blade It is more firm, the workload of later stage work personnel is reduced, also reduces the expense of later maintenance, being provided with propeller pitch angle bevel gear can Effectively to adjust the angle of the existing angle of fan blade Yu its running track level, the practicability of device is improved, Si is provided with Anti-reflection coating allows blade effectively to reduce light reflection bring harm, is provided with water-based metal rust-proof coating, chemically It can stablize, quality is hard, and particle is subtle, and excellent fillibility improves the consistency of paint film, reduces the permeable of paint film to rise To the effect of antirust, it is provided with electromagnetic screen coating, makes blade have the function of shielding electromagnetism, improves the practicability of device, if It is equipped with nano superhydrophobic coating, has the function of reducing resistance and self-cleaning, reducing resistance allows device preferably to generate electricity, Improve the practicability of device.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the pitch variable bearings partial structural diagram of the utility model；

Fig. 3 is the blade section partial enlargement diagram of the utility model.

In figure: 1, blade section；101, nano superhydrophobic coating；102, electromagnetic screen coating；103, water-based metal antirust applies Layer；104, Si anti-reflection coating；2, pitch variable bearings；3, propeller pitch angle bevel gear；4, mounting hole；5, pitch variable bearings inner ring；6, variable pitch Outer race.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.

Fig. 1-3 is please referred to, a kind of embodiment provided by the utility model: a kind of wind power generating set blade, including leaf Segment 1 and pitch variable bearings 2, the input terminal of blade section 1 are equipped with pitch variable bearings 2, have pitch variable bearings outer ring in pitch variable bearings 2 6, pitch variable bearings outer ring 6 is interior to wrap up pitch variable bearings inner ring 5, and the inner wall of pitch variable bearings inner ring 5 is fixedly installed with propeller pitch angle bevel gear 3, between propeller pitch angle bevel gear 3 on be evenly distributed with mounting hole 4, multiple mounting holes 4 effectively secure blade section 1, make blade It is more firm, the workload of later stage work personnel is reduced, also reduces the expense of later maintenance, propeller pitch angle bevel gear 3 can have The angle of the adjusting existing angle of fan blade section 1 and its running track level of effect, improves the practicability of device.

Further, the surface of blade section 1 is coated with nano superhydrophobic coating 101.In embodiment, nano superhydrophobic coating 101 have it is self-cleaning with anti-drag function, self-cleaning surface refer to surface pollutant or spot, dust can gravity or rainwater, Automatic-falling or a kind of surface being degraded, the self-cleaning surface based on super-hydrophobic coat principle are main under the external forces such as wind-force Refer to that contact angle is the class lotus leaf surface of 150 °, roll angle SA < 10 °, in relatively low flow velocity, maximum skin resistance drop It is low to can reach 30%, but as this drag reduction efficiency of the increase of flow velocity declines, reason is attributed to the influence of surface roughness injustice.

Further, the surface of blade section 1 is coated with electromagnetic screen coating 102.In embodiment, electromagnetic screen coating 102 by Synthetic resin, conductive filler, solvent are formulated, it is coated on substrate surface and forms one layer of cured film, to generate conduction Shield effectiveness, conductive coating as the great advantage of electromagnetic shielding material be it is at low cost, it is simple and practical and widely applicable.

Further, the surface of blade section 1 is coated with water-based metal rust-proof coating 103.In embodiment, water-based metal antirust is applied It is main component that layer 103, which selects metal strength chelating agent inositol hexaphosphate, is compounded with other several aqueous promoters, inositol Six phosphates are the Nantural non-toxic Organic chemical products extracted from cereal crops, when it is used as magnetic material antirust agent When, it can be chelated rapidly on surface with metal, form one layer of fine and close unimolecule complex compound protective film, the corruption of metal can be effectively suppressed Erosion.

Further, the surface of blade section 1 is coated with Si anti-reflection coating 104.In embodiment, Si anti-reflection coating 104 Main material is organosiloxane.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims

1. a kind of wind power generating set blade, including blade section and pitch variable bearings, it is characterised in that: the input of the blade section End is equipped with pitch variable bearings, has pitch variable bearings outer ring in the pitch variable bearings, wraps up variable pitch in the pitch variable bearings outer ring Bearing inner ring, the inner wall of the pitch variable bearings inner ring are fixedly installed with propeller pitch angle bevel gear, between the propeller pitch angle bevel gear on It is evenly distributed with mounting hole.

2. a kind of wind power generating set blade according to claim 1, it is characterised in that: the surface of the blade section applies It is covered with nano superhydrophobic coating.

3. a kind of wind power generating set blade according to claim 1, it is characterised in that: the surface of the blade section applies It is covered with electromagnetic screen coating.

4. a kind of wind power generating set blade according to claim 1, it is characterised in that: the surface of the blade section applies It is covered with water-based metal rust-proof coating.

5. a kind of wind power generating set blade according to claim 1, it is characterised in that: the surface of the blade section applies It is covered with Si anti-reflection coating.