CN108533463A - Wind power generating set and its low speed end shaft coupling - Google Patents
Wind power generating set and its low speed end shaft coupling Download PDFInfo
- Publication number
- CN108533463A CN108533463A CN201810332390.0A CN201810332390A CN108533463A CN 108533463 A CN108533463 A CN 108533463A CN 201810332390 A CN201810332390 A CN 201810332390A CN 108533463 A CN108533463 A CN 108533463A
- Authority
- CN
- China
- Prior art keywords
- connecting pin
- low speed
- speed end
- spacing pressing
- driving disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of wind power generating set low speed end flexible clutch, for connecting wind wheel and booster engine, low speed end flexible clutch includes driving disc spacing pressing and the driven disc of coaxial arrangement, the driving disc spacing pressing is used to connect the base bearing of the wind wheel, the driven disc is used to connect the input shaft of the booster engine, passes through at least one Flexible Transmission chain link between the driving disc spacing pressing and driven disc.Low speed end of the present invention flexible clutch can be realized only passes to booster engine by the pure torsion of wind wheel;It substantially reduces and concentricity requirement between booster engine input shaft is held to wind turbine main shaft, while can realize automatic load sharing.The present invention further also discloses a kind of wind power generating set.
Description
Technical field
The present invention relates to shaft coupling technical field, more particularly to a kind of wind power generating set and its low speed end shaft coupling.
Background technology
Wind power generating set is the equipment for converting wind energy into electric energy, is rotated using wind-force band movable vane piece and wind wheel, then
Rotating speed is promoted by booster engine, then drives generator rotary electrification.Power and torque are in wind wheel, booster engine and generator
Between transmit be both needed to use driving member, according to the difference of rotating speed, the transmission between wind wheel and booster engine be known as low speed end transmission, increase
Transmission between fast machine and generator is known as speed end transmission.
It is that the transmission of low speed end is general all in existing wind power generating set transmission system, between wind wheel and booster engine input shaft
It is to be connected by rigid or semi-rigid mode, the slow-speed of revolution of wind wheel, large torque is passed into booster engine, pass through booster engine speedup
Afterwards, then by speed end shaft coupling from the output shaft of booster engine generator is passed to.This frame mode requires the main shaft of wind wheel
Hold has higher concentricity between the input shaft of booster engine, and otherwise booster engine will bear additional load, and will produce vibration,
The normal work and use service life of wind power generating set may be jeopardized when serious.
For example, using the more generally Three-points supporting type structure and four-point supporting formula structure of traditional mainstream.Tradition is main
The Three-points supporting type structure of stream, booster engine are subjected to torque and radial load, and end bearing is also subjected to huge radial direction before booster engine
Power, the design and making of rear two point elasticities support are extremely complex.In four-point supporting formula structure, to six mounting planes of cabin chassis
Requirement on machining accuracy it is relatively high, otherwise will produce additional load and the vibration of bigger.
Invention content
The purpose of the present invention is to provide a kind of wind-driven generator slow-speed shaft shaft coupling and wind-driven generators, existing to solve
Have to use in technology and high technical problem is required to wind wheel and booster engine concentricity when positive drive part.
The first aspect of the present invention provides a kind of wind power generating set low speed end flexible clutch, for connecting wind wheel
And booster engine, low speed end flexible clutch include driving disc spacing pressing and the driven disc of coaxial arrangement, the driving disc spacing pressing is for connecting
The base bearing of the wind wheel, the driven disc is used to connect the input shaft of the booster engine, between the driving disc spacing pressing and driven disc
Pass through at least one Flexible Transmission chain link.
Further, it is equipped at least one set of connection component between the driving disc spacing pressing and the driven disc, is connected described in every group
Component includes several first connecting pins for being arranged at intervals in driving disc spacing pressing circumferential direction and several are arranged at intervals on driven disc circumferential direction
On the second connecting pin, wherein first connecting pin and the second connecting pin are staggered;Flexible transmission chain winding successively
On first connecting pin and the second connecting pin.
Further, the flexible transmission chain is specially two, and the connection component is specially two groups, every group of connection component
On be arranged with a flexible transmission chain.
Further, the inner ring cylindrical surface of the driving disc spacing pressing is circumferentially arranged with the first mounting groove, each first connection
Pin both ends are respectively fixedly connected on the two side of the first mounting groove, and the outer ring cylindrical surface of the driven disc is circumferentially arranged with second
Mounting groove, each second connecting pin both ends are respectively fixedly connected on the two side of the second mounting groove, the Flexible Transmission
Chain is set around successively on first connecting pin and the second connecting pin.
Further, the driving disc spacing pressing is equipped with several first pin holes in the circumferential, and first connecting pin is arranged in the
In one pin hole and at least one end of first connecting pin extends radially out predetermined length along driving disc spacing pressing;The driven disc is in circumferential direction
Several second pin holes are equipped with, second connecting pin is arranged in the second pin hole and at least one end of second connecting pin
Predetermined length is extended radially out along driven disc;The flexible transmission chain is set around on the first connecting pin and the second connecting pin.
Further, two flexible transmission chains are symmetricly set on the both sides of the first connecting pin and the second connecting pin.
Further, the flexible transmission chain is made of metal or high strength yarn dimension of towing.
Low speed end of the present invention flexible clutch, for connecting wind wheel and booster engine to transmit torque, due in shaft coupling with
Wind turbine main shaft holds the driving disc spacing pressing of connection and is inputted with booster engine between the driven disc of axis connection through Flexible Transmission chain link, thus
It can be achieved that the pure torsion of wind wheel is only passed to booster engine;Meanwhile it greatly reducing and wind turbine main shaft being held and booster engine input shaft
Between concentricity requirement, thus greatly reduce requirement on machining accuracy, even if there are the overproof of concentricity, will not therefore give
Booster engine brings additional load;Secondly, simple to the processing request of cabin chassis;In addition, due to driving disc spacing pressing and driven disc
A whole Flexible Transmission chain link is used on every group of connection component, stress equalization is, it can be achieved that automatic load sharing.
The second aspect of the present invention additionally provides a kind of wind power generating set, including wind wheel and booster engine, further includes above-mentioned
Any one of them low speed end flexible clutch, the driving disc spacing pressing of low speed end flexible clutch connect with the base bearing of the wind wheel
It connects, the driven disc of low speed end flexible clutch and the input axis connection of the booster engine.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of one shaft coupling of the embodiment of the present invention;
Fig. 2 is the mounting structure diagrammatic cross-section of Fig. 1;
Fig. 3 is the enlarged structure schematic diagram at A in Fig. 2;
Fig. 4 is the mounting structure section enlarged diagram of two shaft coupling of the embodiment of the present invention.
In figure:
1, driving disc spacing pressing;11, the first connecting pin;12, the first mounting groove;2, driven disc;21, the second connecting pin;22, the second peace
Tankage;3, flexible transmission chain;41, base bearing;42, input shaft.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can
Can also be electrical connection to be mechanical connection;It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, the wind power generating set low speed end flexible clutch of the present embodiment, for connecting wind wheel
And booster engine, low speed end flexible clutch include the driven disc 2 of driving disc spacing pressing 1 and coaxial arrangement, driving disc spacing pressing 1 is for connecting wind wheel
Base bearing 41, driven disc 2 are used to connect the input shaft 42 of booster engine, pass through flexible transmission chain 3 between driving disc spacing pressing 1 and driven disc 2
Connection.
Specifically, being equipped with two groups of connection components between driving disc spacing pressing 1 and driven disc 2, flexible transmission chain 3 specifically uses two,
A flexible transmission chain 3 is arranged on every group of connection component.
Wherein, every group of connection component includes the first connecting pin 11 that several are arranged at intervals in 1 circumferential direction of driving disc spacing pressing, and if
Dry the second connecting pin 21 being arranged at intervals in 2 circumferential direction of driven disc, wherein the first connecting pin 11 and the second connecting pin 21 interlock
Setting;Flexible transmission chain 3 is successively around being located on the first connecting pin 11 and the second connecting pin 21, after flexible transmission chain 3 is provided with,
Whole shape in wave shape.
There are many modes for the installation fixed form of first connecting pin 11 and the second connecting pin 21, in the present embodiment one, tool
Body is on the inner ring cylindrical surface of driving disc spacing pressing 1 circumferentially arranged with the first mounting groove 12, several 11 both ends of the first connecting pin are solid respectively
Surely it is connected on the two side of the first mounting groove 12, the outer ring cylindrical surface of driven disc 2 is several circumferentially arranged with the second mounting groove 22
A second connecting pin, 21 both ends are respectively fixedly connected on the two side of the second mounting groove 22, and flexible transmission chain 3 is set around successively
The middle section position of first connecting pin 11 and the second connecting pin 21, and be contained in the first mounting groove 12 and the second mounting groove 22.It adopts
With slot type mounting structure, the first connecting pin 11 and the installation of the second connecting pin 21 it is fixed it is more firm, stress is more balanced.
Flexible transmission chain 3 is there are many optional structure and material, specifically, it is preferred to use metal or high strength yarn are towed dimension
Chain rope structure is made.
It is worth noting that in the present embodiment one, consider from structural complexity, force analysis and manufacturing cost
Hair, flexible transmission chain 3 is preferably designed for two, but the present invention is not limited to this, may be designed in one, three or other
More possible, equally, corresponding connection component is preferably designed for two groups, may be designed in one group, three groups or other are more
Possibility.
Embodiment two
The present embodiment two what is different from the first embodiment is that the first connecting pin 11 and the second connecting pin 21 installation fixed form
Difference, as shown in figure 4, in the present embodiment two, to simplify structure and assembly difficulty, to reduce cost, driving disc spacing pressing 1 is in the circumferential
Equipped with several the first pin holes (be blocked and be not shown in figure), the first connecting pin 11 is arranged in the first pin hole and the first connecting pin
11 at least one end extends radially out predetermined length along driving disc spacing pressing 1;Driven disc 2 is equipped with several second pin holes in the circumferential, the
Two connecting pins 21 are arranged in the second pin hole (be blocked and be not shown in figure) and at least one end of the second connecting pin 21 is along driven disc 2
Extend radially out predetermined length;Every flexible transmission chain 3 is respectively arranged on corresponding connection component, i.e., is set around successively staggeredly
On the first connecting pin 11 and the second connecting pin 21 being arranged.Specifically, two flexible transmission chains 3 can be symmetricly set on the first company
The both sides of outbound 11 and the second connecting pin 21 can also be arranged in the same side of the first connecting pin 11 and the second connecting pin 21, this
Embodiment is not limited to this.
The low speed end flexible clutch that the present embodiment one and embodiment two provide, for connecting wind wheel and booster engine to transmit
Torque passes through due to holding the driving disc spacing pressing connecting in shaft coupling with wind turbine main shaft and being inputted with booster engine between the driven disc of axis connection
The pure torsion of wind wheel is only passed to booster engine by Flexible Transmission chain link to realize;Meanwhile it greatly reducing to wind wheel master
Concentricity requirement between bearing and booster engine input shaft, thus greatly reduces requirement on machining accuracy, even if there are concentricities
It is overproof, will not therefore additional load is brought to booster engine;Secondly, simple to the processing request of cabin chassis;In addition, by
In using a whole Flexible Transmission chain link on every group of connection component of driving disc spacing pressing and driven disc, stress equalization is, it can be achieved that automatic
Carry.
Embodiment three
On this basis, the present embodiment three additionally provides a kind of wind power generating set, including wind wheel and booster engine and above-mentioned
Low speed end flexible clutch, the driving disc spacing pressing 1 of low speed end flexible clutch connect with the base bearing 41 of wind wheel, low speed end flexibility connection
The driven disc 2 of axis device is connect with the input shaft 42 of booster engine.
As a result of above-mentioned low speed end flexible clutch, has its all advantage, details are not described herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of wind power generating set low speed end flexible clutch, for connecting wind wheel and booster engine, which is characterized in that described low
Fast end flexible clutch includes the driven disc (2) of driving disc spacing pressing (1) and coaxial arrangement, and the driving disc spacing pressing (1) is for connecting the wind
The base bearing (41) of wheel, the driven disc (2) are used to connect the input shaft (42) of the booster engine, the driving disc spacing pressing (1) and by
It is connected by least one flexible transmission chain (3) between Moving plate (2).
2. low speed end according to claim 1 flexible clutch, which is characterized in that the driving disc spacing pressing (1) and described passive
At least one set of connection component is equipped between disk (2), connection component described in every group includes that several are arranged at intervals on driving disc spacing pressing (1) week
Upward the first connecting pin (11) and several be arranged at intervals on the second connecting pin (21) in driven disc (2) circumferential direction, wherein institute
It states the first connecting pin (11) and the second connecting pin (21) is staggered;The flexible transmission chain (3) is successively around being located at described the
On one connecting pin (11) and the second connecting pin (21).
3. low speed end according to claim 2 flexible clutch, which is characterized in that the flexible transmission chain (3) is specially
Two, the connection component is specially two groups, and a flexible transmission chain (3) is arranged on every group of connection component.
4. low speed end according to claim 3 flexible clutch, which is characterized in that the inner ring cylinder of the driving disc spacing pressing (1)
Face is respectively fixedly connected with circumferentially arranged with the first mounting groove (12), each first connecting pin (11) both ends in the first mounting groove
(12) on two side, the outer ring cylindrical surface of the driven disc (2) is circumferentially arranged with the second mounting groove (22), and each described second
Connecting pin (21) both ends are respectively fixedly connected on the two side of the second mounting groove (22), the flexible transmission chain (3) successively around
On first connecting pin (11) and the second connecting pin (21).
5. low speed end according to claim 3 flexible clutch, which is characterized in that the driving disc spacing pressing (1) sets in the circumferential
Have several the first pin holes, first connecting pin (11) be arranged in the first pin hole and first connecting pin (11) at least
One end extends radially out predetermined length along driving disc spacing pressing (1);The driven disc (2) is equipped with several second pin holes, institute in the circumferential
State the diameter that the second connecting pin (21) is arranged in the second pin hole and at least one end of second connecting pin (21) along driven disc (2)
To stretching predetermined length;The flexible transmission chain (3) is set around on the first connecting pin (11) and the second connecting pin (21).
6. low speed end according to claim 5 flexible clutch, which is characterized in that two flexible transmission chains (3) are right
Claim to be arranged in the both sides of the first connecting pin (11) and the second connecting pin (21).
7. according to claim 1-6 any one of them low speed end flexible clutch, which is characterized in that the flexible transmission chain
(3) metal or high strength yarn dimension of towing is used to be made.
8. a kind of wind power generating set, including wind wheel and booster engine, which is characterized in that further include any one of claim 1-7 institutes
The low speed end flexible clutch stated, the driving disc spacing pressing (1) of low speed end flexible clutch connect with the base bearing (41) of the wind wheel
It connects, the driven disc (2) of low speed end flexible clutch is connect with the input shaft (42) of the booster engine.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810332390.0A CN108533463B (en) | 2018-04-13 | 2018-04-13 | Wind generating set and low-speed end coupling thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810332390.0A CN108533463B (en) | 2018-04-13 | 2018-04-13 | Wind generating set and low-speed end coupling thereof |
Publications (2)
Publication Number | Publication Date |
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CN108533463A true CN108533463A (en) | 2018-09-14 |
CN108533463B CN108533463B (en) | 2020-02-21 |
Family
ID=63480504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810332390.0A Active CN108533463B (en) | 2018-04-13 | 2018-04-13 | Wind generating set and low-speed end coupling thereof |
Country Status (1)
Country | Link |
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CN (1) | CN108533463B (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1469633A (en) * | 1974-04-04 | 1977-04-06 | Drewelus I | Flexible drive couplings |
RU2075662C1 (en) * | 1993-02-04 | 1997-03-20 | Татарский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности | Flexible pin clutch |
US5630758A (en) * | 1994-01-03 | 1997-05-20 | Rivin; Evgeny I. | Torsional connection with radially spaced multiple flexible elements |
CN105074205A (en) * | 2013-03-12 | 2015-11-18 | 株式会社捷太格特 | Shaft coupling device and wind power generation device |
CN206376982U (en) * | 2016-12-21 | 2017-08-04 | 明阳智慧能源集团股份公司 | A kind of torque limiter of driving chain of wind generating set |
-
2018
- 2018-04-13 CN CN201810332390.0A patent/CN108533463B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1469633A (en) * | 1974-04-04 | 1977-04-06 | Drewelus I | Flexible drive couplings |
RU2075662C1 (en) * | 1993-02-04 | 1997-03-20 | Татарский Государственный Научно-Исследовательский И Проектный Институт Нефтяной Промышленности | Flexible pin clutch |
US5630758A (en) * | 1994-01-03 | 1997-05-20 | Rivin; Evgeny I. | Torsional connection with radially spaced multiple flexible elements |
CN105074205A (en) * | 2013-03-12 | 2015-11-18 | 株式会社捷太格特 | Shaft coupling device and wind power generation device |
CN206376982U (en) * | 2016-12-21 | 2017-08-04 | 明阳智慧能源集团股份公司 | A kind of torque limiter of driving chain of wind generating set |
Also Published As
Publication number | Publication date |
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CN108533463B (en) | 2020-02-21 |
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Address after: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee after: Sany Heavy Energy Co., Ltd Address before: 102206 31 Industrial Park, North Qing Road, Beijing, Changping District Patentee before: SANY HEAVY ENERGY Co.,Ltd. |
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