CN202560863U - Resilient shaft coupling for wind power generator - Google Patents
Resilient shaft coupling for wind power generator Download PDFInfo
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- CN202560863U CN202560863U CN2012201301816U CN201220130181U CN202560863U CN 202560863 U CN202560863 U CN 202560863U CN 2012201301816 U CN2012201301816 U CN 2012201301816U CN 201220130181 U CN201220130181 U CN 201220130181U CN 202560863 U CN202560863 U CN 202560863U
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- coupling
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Abstract
A resilient shaft coupling for a wind power generator comprises two coupling halves, a middle piece and resilient rods, wherein the coupling halves are respectively provided with an even number of projections provided with through-holes, the middle piece is provided with through-holes which are disposed in two rows in the circumference, each resilient rod passes through two opposite through-holes in the projections and two through-hole in the middle piece to effectively buffer impact and vibration output by a generator. The shaft coupling is compact in structure, low in noise and long in service life, and can help to effectively reduce the noise of wind power generating sets in buildings.
Description
Technical field
The present invention uses coupling about a kind of wind power generator, more particularly, relate to a kind of in building or wind tower wind power generator use elastic coupling flexible coupling.
Background technique
Along with socioeconomic continuous development; People are also increasing to demands for energy, and human coal, the oil that is relied on all is the non-renewable energy, and the refinement of coal, oil and use very big to the pollution of environment; Therefore; New reproducible clean energy resource is human constantly pursuing target, and wind energy is one of tool business potential, most active renewable and clean energy resource, have the cleaning of use, cost lower, use and wait plurality of advantages not to the utmost.The outstanding characteristics of wind-powered electricity generation be environmental benefit good, do not discharge any harmful matter and waste.
Shortcomings such as wind energy of the prior art receives geographical environment and climatic impact very big, and floor space is very big.The present invention provides the wind energy of using in a kind of wind energy of in building, using, particularly wind tower, and its basic principle is; Through the solar energy heating air of outside, hot air through perpendicular to rising on the air channel, ground, is driven the turbine turbofan; The generating of drive generator set has solved the restriction that receives geographical environment and weather, and has been applied in the building; In the function that does not influence building, produce wind energy power, effectively solved shortcomings such as floor space is big.
The wind energy of in building, using, controlling noise is even more important, an important source of noise; Be exactly that the noise that produces is rotated in generator output, the output shaft of generator and the input shaft of speed changer interconnect, and generally connect through coupling; Can produce mechanical noise, elastic coupling flexible coupling has good balance quality, to the buffer function of having moved; Reduce noise, and can allow certain axial deviation, do not need the installation highi degree of accuracy between axle and the axle.The startup rotating speed of wind power generator is higher, elasticity of demand coupling more, the output shaft of motor is connected with other through elastic coupling flexible coupling, efficient buffer the high-revolving impact of electric motor starting.
Patent documentation ZL02218123.7 discloses a kind of quincunx elastic coupling flexible coupling, can allow to be connected the bigger angular displacement that has of two axles, improves the coupling life-span, reducing noise.
Patent documentation ZL98248852.1 discloses a kind of blossom type elastic coupling flexible coupling, when changing elastomer, needn't mobile motor or the axle of work mechanism, and resume production rapidly.
In the existing technology, elastic coupling flexible coupling loosely organized, the life-span is low, and the control noise effects is not ideal, causes using effect not good.
The present invention studies the problems referred to above that exist in the existing technology, provides a kind of simple in structure, compact structure, and use occasion is more extensive, and is easy to install, and the wind power generator that noise is little is used elastic coupling flexible coupling.
Summary of the invention
A kind of wind power generator is used elastic coupling flexible coupling; Comprise two half-couplings, also comprise middleware and elastic rod, have the even number projection on the said half-coupling respectively; Has through hole on the said projection; Have through hole on the middleware, the through hole on the middleware becomes two column distributions on circumference, and said elastic rod passes through hole and the through hole on the middleware on the corresponding said projection respectively.
As a kind of preferred, elastic rod is a torsion bar spring.
As a kind of preferred, the material of elastic rod is rubber or resin.
As a kind of preferred, through hole on elastic rod and the projection and the through hole on the middleware are interference fit.
As a kind of preferred, through hole on elastic rod and the projection and the through hole on the middleware are Spielpassung.
As a kind of preferred, the two ends of elastic rod have back-up ring.
As a kind of preferred, the number of elastic rod is 2, and the number of through hole is 4 on the middleware, and the number of the projection on two half-couplings is 4.
As a kind of preferred, said projection is an arc-shaped protrusions, is arranged on the circumference of maximum diameter that half-coupling connects end face, evenly distributes, and the intrados of said projection and outer arced surface are coaxial with half-coupling.
As a kind of preferred, the diameter of middleware is the half the of half-coupling Outside diameter.
As a kind of preferred, a kind of wind-powered electricity generation electricity generating device comprises described elastic coupling flexible coupling.
As a kind of preferred, a kind of wind tower comprises described wind-powered electricity generation electricity generating device.
As a kind of preferred, a kind of building comprises described wind-powered electricity generation electricity generating device, and said wind electricity generating system is positioned at the top of building.
Useful technique effect:
The shock and vibration of efficient buffer generator output, coupler structure is compact, and noise is low, and the life-span is long.Be applied in the building, the wind energy of particularly using in the wind tower can efficient buffer be vibrated, and reduces noise, meets the requirement that reduces noise in the building.
Description of drawings
Half-coupling schematic representation in the accompanying drawing 1 expression coupling;
Middleware schematic representation in the accompanying drawing 2 expression coupling;
Elastic rod schematic representation in the accompanying drawing 3 expression coupling;
The mounted overall schematic of accompanying drawing 4 expression coupling.
Embodiment
As shown in Figure 1, the half-coupling in the coupling comprises through hole 3, can have internal spline or keyway in the through hole 3, is connected with axle through internal spline or keyway.Half-coupling also comprises arc-shaped protrusions 1, and the circumference along the maximum radius of the connection end face of half-coupling of arc-shaped protrusions 1 evenly distributes, and number can be even numbers such as 2 or 4, is preferably 2.Arc-shaped protrusions 1 is an arc along the inside and outside contour of the radial direction of half-coupling, and this arc is coaxial with half-coupling.Has through hole 2 on each arc-shaped protrusions 1.
As shown in Figure 3, elastic rod 6, two ends have chamfering, in order to be more prone to insert in the through hole easily.Elastic rod 6 flexible materials are processed, for example: rubber, resin or alloy.Elastic rod 6 can torsion bar spring, is preferably to contain the torsion bar spring that chromium, manganese alloy are processed.
As shown in Figure 4, two half-coupling connecting ends are relative, and middleware 4 is set in the middle of two half-couplings; Two half-couplings and middleware 4 are coaxial; Elastic rod 6 passes the through hole 5 on through hole 3 and the middleware 4 on the projection 1, and two half-couplings and middleware 4 are coupled together, and forms an integral body.For example: the number with half-coupling upper process 1 is 2 o'clock, needs 2 elastic rods 6, and the number of through-holes on the middleware 4 is 4; Wherein, elastic rod 6 passes the through hole 3 on 2 projections 1 of a half-coupling, also passes 2 symmetrical through holes 5 on the middleware 4 simultaneously; In like manner; Another elastic rod 6 passes the through hole 3 on 2 projections 1 of another half-coupling, also passes other 2 symmetrical through holes 5 on the middleware 4 simultaneously, through 2 elastic rods 62 half-couplings and middleware 4 is linked together.
Preferred as another kind, elastic rod 6 can also be even numbers such as 4,6, and is corresponding, the corresponding increase of number of through hole 3 on the number of projection 1 and the projection 1, and the number of through hole 5 increases accordingly on the middleware 4.
Elastic rod 6 is an interference fit with the cooperation of through hole 3, through hole 5, firmly links together.
As a kind of preferred, elastic rod 6 with other Placements such as can also weld, bonding being connected of through hole 3, through hole 5.
Preferred as another kind, can also be Spielpassung between elastic rod 6 and through hole 3, the through hole 5, can rotate each other, simultaneously, back-up ring is set at the two ends of elastic rod 6 or chap is impacted at the two ends of elastic rod 6, prevent that the elastic rod slip from coming off.Certainly, in the existing technology, also has fixedly elastic rod of a lot of known manner.
Between this coupling is provided with the input shaft of output shaft and speed changer of wind power generator, transmit when rotating; When generator starts, have than high rotational speed, impulse ratio is bigger; The elastic rod 6 of coupling has the elastic buffer effect; Effectively alleviate the impact of electric motor starting, played the effect of bumper and absorbing shock, reduced noise contributions.
This coupling is applied to be arranged in the wind electricity generating system in the building; Particularly be applied in the wind tower (building of turriform; Comprise wind electricity generating system, utilize wind energy power) in the input shaft of output shaft and speed changer of generator between, can the efficient buffer vibration; Reduce noise, meet the requirement that reduces noise in the building.
Described herein is exemplary preferred embodiment of the present invention; And the preferred embodiments of the present invention of having used concrete term description; But this description only is used for the example purpose, and it only is example that those skilled in the art should be noted that disclosed by the invention, and is to be understood that; Can make various changes and variation, and not break away from the protection domain of claim of the present invention.
It will be apparent to those skilled in the art that wind power generator coupling of the present invention comprises the combination in any of each several part in this specification.As space is limited and in order to be to make specification simple and clear, these combinations not to be introduced one by one in detail at this, but after having seen this specification, the scope of the present invention that the combination in any of the each several part that is made up of this specification constitutes is self-evident.
Claims (10)
1. a wind power generator is used elastic coupling flexible coupling; Comprise two half-couplings, it is characterized in that: also comprise middleware and elastic rod, have the even number projection on the said half-coupling respectively; Has through hole on the said projection; Have through hole on the middleware, the through hole on the middleware becomes two column distributions on circumference, and said elastic rod passes through hole and the through hole on the middleware on the corresponding said projection respectively.
2. elastic coupling flexible coupling according to claim 1 is characterized in that: elastic rod is a torsion bar spring.
3. elastic coupling flexible coupling according to claim 1 is characterized in that: the material of elastic rod is rubber or resin.
4. elastic coupling flexible coupling according to claim 2 is characterized in that: through hole on elastic rod and the projection and the through hole on the middleware are interference fit.
5. elastic coupling flexible coupling according to claim 2 is characterized in that: through hole on elastic rod and the projection and the through hole on the middleware are Spielpassung.
6. elastic coupling flexible coupling according to claim 5 is characterized in that: the two ends of elastic rod have back-up ring.
7. according to the described elastic coupling flexible coupling of one of claim 1-5, it is characterized in that: the number of elastic rod is 2, and the number of through hole is 4 on the middleware, and the number of the projection on two half-couplings is 4.
8. elastic coupling flexible coupling according to claim 1 is characterized in that: said projection is an arc-shaped protrusions, is arranged on the circumference of maximum diameter that half-coupling connects end face, evenly distributes, and the intrados of said projection and outer arced surface are coaxial with half-coupling.
9. elastic coupling flexible coupling according to claim 2 is characterized in that: said projection is an arc-shaped protrusions, is arranged on the circumference of maximum diameter that half-coupling connects end face, evenly distributes, and the intrados of said projection and outer arced surface are coaxial with half-coupling.
10. elastic coupling flexible coupling according to claim 3 is characterized in that: said projection is an arc-shaped protrusions, is arranged on the circumference of maximum diameter that half-coupling connects end face, evenly distributes, and the intrados of said projection and outer arced surface are coaxial with half-coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201301816U CN202560863U (en) | 2012-03-31 | 2012-03-31 | Resilient shaft coupling for wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201301816U CN202560863U (en) | 2012-03-31 | 2012-03-31 | Resilient shaft coupling for wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202560863U true CN202560863U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201301816U Expired - Fee Related CN202560863U (en) | 2012-03-31 | 2012-03-31 | Resilient shaft coupling for wind power generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202560863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362968A (en) * | 2012-03-31 | 2013-10-23 | 周登荣 | Elastic coupling for wind power generator |
| CN104870848A (en) * | 2012-12-18 | 2015-08-26 | 株式会社山田制作所 | Yoke and shaft joint structure and joining method therefor |
-
2012
- 2012-03-31 CN CN2012201301816U patent/CN202560863U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362968A (en) * | 2012-03-31 | 2013-10-23 | 周登荣 | Elastic coupling for wind power generator |
| CN103362968B (en) * | 2012-03-31 | 2016-05-11 | 周登荣 | Wind power generator yielding coupling |
| CN104870848A (en) * | 2012-12-18 | 2015-08-26 | 株式会社山田制作所 | Yoke and shaft joint structure and joining method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20160331 |