CN109027196A - Half-direct-driven wind generation main transmission gearbox built in a kind of main shaft - Google Patents
Half-direct-driven wind generation main transmission gearbox built in a kind of main shaft Download PDFInfo
- Publication number
- CN109027196A CN109027196A CN201811167840.1A CN201811167840A CN109027196A CN 109027196 A CN109027196 A CN 109027196A CN 201811167840 A CN201811167840 A CN 201811167840A CN 109027196 A CN109027196 A CN 109027196A
- Authority
- CN
- China
- Prior art keywords
- box
- gear
- main shaft
- main
- bearing
- 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
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000005461 lubrication Methods 0.000 claims abstract description 18
- 239000010687 lubricating oil Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K51/00—Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts
-
- 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
Abstract
The present invention provides half-direct-driven wind generation main transmission gearbox built in a kind of main shaft, it is characterized in that, gear-box and main shaft use integrated morphology, main shaft is built in gear-box, main shaft bearing inner ring is fixed on main shaft, on the fixed main box of main shaft bearing outer ring, main shaft bearing is using oil lubrication and equipped with the lubricating oil specking for forced feed lubrication；The secondary solar gear of secondary planet transmission mechanism is adopted a split structure with output shaft, is linked together among the two by spline housing, and spline housing is supported on the back shell by bearing and bearing block.Reduced using the blower unit of gear box structure of the present invention with axial dimension, the advantages that more compact structure, weight is lighter, forced feed lubrication improves the life and reliability of bearing；It solves influence of the axial force to electromechanical shock simultaneously, improves the bearing capacity and transmission stability of gear-box.Gear-box of the present invention has independent seal cavity, does not need additional designs sealing frock and carries out type approval test and delivery test.
Description
Technical field
The present invention relates to the transmission technical fields of wind-driven generator, specifically, more particularly to a kind of main shaft built-in half it is straight
Drive wind power generation main transmission gearbox, especially suitable for built in main shaft, gear-box and generator integrated form wind power generating set.
Background technique
Wind-powered electricity generation main-gear box is the kernel component of Wind turbines, is the most important components of wind turbine transmission chain,
Its major function is that generated power passes to generator under the action of the wind by wind wheel, i.e., by low turn of input terminal (impeller)
Fast high torque power subtracts torque effect by the speedup of gear-box, it is dynamic to be converted to the high rpm low torque to match with generator
Power.
Wind-powered electricity generation main-gear box according to from the different integrated forms of main shaft and generator, structure can be mainly divided into two kinds:
The first is stand-alone configuration, and gear-box and main shaft and motor are relatively independent, the loaded complexity of gear-box, the reliability of gear-box
Difference, and it is long using the wind turbine transmission chain of this structure gear case, nacelle weight and size are big, and main shaft bearing uses grease lubrication,
Main shaft bearing poor reliability；Second is semi-integrated type structure, and gear-box is integrated with main shaft or is integrated in generator
Together, wherein most typically gear-box and motor Integrated design, gear-box secondary solar gear are overall structure with output shaft, directly
It connects and is connect with the shaft coupling of generator, be easy that motor is caused to impact, gear-box secondary planet mechanism uses spur gear, carrying
Ability and transmission stability are relatively low, and gear-box is not independent seal cavity, and gear-box needs additional designs to seal work
Put into row type approval test and delivery test.
Summary of the invention
External according to main shaft set forth above, main shaft bearing uses grease lubrication poor reliability, and sun gear and output shaft are whole
Structure is easy to cause motor the technical problem of impact etc., and provides half-direct-driven wind generation main transmission tooth built in a kind of main shaft
Roller box.The present invention mainly uses gear-box and motor Integrated design, is subtracted using the blower unit axial dimension of this gear box structure
Small, more compact structure, weight is lighter.Main shaft bearing, using lubricating oil forced feed lubrication, improves the longevity of bearing inside gear-box
Life and reliability.Gear-box secondary solar gear and output shaft use split-type design, solve axial force to the shadow of electromechanical shock
It rings.Gear-box secondary planet uses helical gear, improves the bearing capacity and transmission stability of gear-box.Gear box designs are at only
Vertical seal cavity does not need additional designs sealing frock and carries out type approval test and delivery test.
The technological means that the present invention uses is as follows:
Half-direct-driven wind generation main transmission gearbox built in a kind of main shaft, mainly by main shaft, main box, middle cabinet, one
Grade epicyclic transmission mechanism, secondary planet transmission mechanism, rear box, output shaft and lubricating and cooling system composition, wherein the main tank
Body, the middle cabinet and the rear box constitute the shell of the gear-box, the primary planet transmission mechanism and the second level
Epicyclic transmission mechanism, which is successively connected with the main shaft, constitutes the transmission mechanism of the gear-box, and the main shaft is fixed with axial fan hub
Together, the gear-box is fixed on main frame by the main box, the output shaft by locking plate directly with electricity
Machine connection；
It is characterized in that,
The gear-box and the main shaft use integrated morphology, and the main shaft is built in the gear-box, main shaft bearing
Inner ring is fixed on the main shaft, and on the fixed main box of the main shaft bearing outer ring, the main shaft bearing uses oil lubrication
And it is equipped with the lubricating oil specking for forced feed lubrication；
The secondary solar gear of the secondary planet transmission mechanism is adopted a split structure with the output shaft, logical among the two
It crosses spline housing to link together, the spline housing is supported on the rear box by bearing and bearing block.
Further, the secondary planet mechanism uses Helical gear Transmission.
Further, the gear-box has independent seal cavity, specifically, successively by being fixed on the front-end of spindle
Sealing tube assembly and drive end bearing bracket, the main box end cover group that is set on the main shaft and is fixed on the main box front end
Part, the main box, the primary annulus of the primary planet mechanism, the middle cabinet, the secondary planet mechanism secondary gear
Circle, the secondary solar gear, the spline housing and the bearing block and the rear box, rear case component and the output shaft group
At independent seal cavity.
Further, the position of all bearings inside the gear-box and gear engagement is equipped with for forced feed lubrication
Lubricating oil specking.
Compared with the prior art, the invention has the following advantages that
1, gear-box of the invention and main shaft and motor Integrated design, using the blower unit axial direction ruler of this gear box structure
Very little reduction, more compact structure, weight are lighter；
2, built in main shaft of the invention, for main shaft bearing inside gear-box, bearing improves axis by lubricating oil forced feed lubrication
The life and reliability held；
3, gear-box secondary planet of the invention uses helical gear, and gear-box bearing capacity and transmission stability are more preferable；
4, gear-box secondary solar gear of the invention and output shaft use split-type design, are conveniently replaceable, and generator is only
The torque for bearing output shaft, solves influence of the axial force to electromechanical shock；
5, gear box structure of the invention is relatively independent, has independent seal cavity, does not need additional designs sealing work
Put into row type approval test or delivery test.
To sum up, it applies the technical scheme of the present invention and efficiently solves many defects in the prior art, in wind-driven generator
During group develops to enlargement, half direct-drive unit technology is a kind of development trend built in main shaft, and with before broad mass market
Scape.The present invention can be widely popularized in fields such as wind-powered electricity generation power generations based on the above reasons.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the cross-sectional view of gear-box of the present invention.
Fig. 2 is the schematic diagram of gear-box external lubrication system of the present invention.
Fig. 3 is that main shaft bearing of the present invention lubricates schematic diagram.
In figure: 1. sealing tube assemblies；2. drive end bearing bracket；3. main shaft；4. main box end cover component；5. main box；6. main
Axle bearing；7. primary planet carrier；8. primary planet wheel；9. primary annulus；10. level-one sun gear；Cabinet in 11.；12. second level row
Carrier；13. secondary planet wheel；14. second level gear ring；15. secondary solar gear；16. spline housing；17. rear box；18. bearing block；
19. rear case component；20. output shaft；21. lubricating and cooling system；22, lubricating oil specking.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.It is real to the description of at least one exemplary embodiment below
It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.Technology known for person of ordinary skill in the relevant, side
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, appointing should be construed as merely illustratively to occurrence, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention: the noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
As shown in Figure 1 and Figure 2, the present invention provides half-direct-driven wind generation main transmission gearboxs built in a kind of main shaft, main
It will be by main shaft 3, main box 5, middle cabinet 11, primary planet transmission mechanism, secondary planet transmission mechanism, rear box 17, output shaft
20 and lubricating and cooling system 21 form, the primary planet transmission mechanism includes primary planet carrier 7, primary planet wheel 8, level-one tooth
Circle 9 and level-one sun gear 10；The secondary planet transmission mechanism includes secondary planet frame 12, secondary planet wheel 13, second level gear ring
14 and secondary solar gear 15.
Wherein, the main box 5, the middle cabinet 11 and the rear box 17 constitute the shell of the gear-box, described
Primary planet transmission mechanism and the secondary planet transmission mechanism, which are successively connected with the main shaft 3, constitutes the transmission of the gear-box
Mechanism, the main shaft 3 are bolted on together with axial fan hub, and the gear-box is fixed on master by the main box 5
In machine rack, the output shaft 20 is directly connected to motor by locking plate.
The gear-box and the main shaft 3 use integrated morphology, and the main shaft 3 is built in the gear-box, spindle shaft
It holds 6 inner ring to be fixed on the main shaft 3, on the fixed main box 5 of 6 outer ring of main shaft bearing, the main shaft bearing 6 is used
Oil lubrication is simultaneously equipped with the lubricating oil specking 22 (as shown in Figure 3) for being used for forced feed lubrication, and bearing is improved by lubricating oil forced feed lubrication
The life and reliability of bearing.
The secondary planet mechanism uses Helical gear Transmission, and gear-box bearing capacity and transmission stability are more preferable.Described two
The secondary solar gear 15 of grade epicyclic transmission mechanism is adopted a split structure with the output shaft 20, passes through spline housing 16 among the two
It links together, the spline housing 16 is supported on the rear box 17 by bearing and bearing block 18.The secondary solar gear
15 axial force transmissions are to the spline housing 16 and are eventually transferred on gear case body, and generator is solely subjected to the torsion of output shaft 20
Square solves influence of the axial force to electromechanical shock.
The gear-box has independent seal cavity, does not need additional designs sealing frock and carries out type approval test or factory
Test.Specifically, successively by being fixed on the sealing tube assembly 1 of 3 front end of main shaft and drive end bearing bracket 2, being set on the main shaft 3
And be fixed on the main box end cover component 4 of 5 front end of main box, the main box 5, the primary planet mechanism one
Grade gear ring 9, the middle cabinet 11, the second level gear ring 14 of the secondary planet mechanism, the secondary solar gear 15, the spline housing
16 and the bearing block 18 and the rear box 17, rear case component 19 and the output shaft 20 form independent seal cavity.
The power transmission line of the gear-box is as follows:
Wheel hub (blade) → main shaft 3 → primary planet carrier, 7 → primary planet wheel 8 → level-one sun gear 10 → secondary planet frame
12 → secondary planet wheel 13 → secondary solar gear, 15 → spline housing, 16 → output shaft 20, the main shaft 3 and the primary planet carrier 7
It is connected using interference, the level-one sun gear 10 and the secondary planet frame 12, the secondary solar gear 15 and the output shaft
20 are connected by spline housing 16 using spline, and there are lubricating oil specking in all bearings and gear meshing portions position inside the gear-box
Carry out forced feed lubrication.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (4)
1. half-direct-driven wind generation main transmission gearbox built in a kind of main shaft, mainly by main shaft (3), main box (5), middle cabinet
(11), primary planet transmission mechanism, secondary planet transmission mechanism, rear box (17), output shaft (20) and lubricating and cooling system
(21) it forms, wherein the main box (5), the middle cabinet (11) and the rear box (17) constitute the outer of the gear-box
Shell, the primary planet transmission mechanism and the secondary planet transmission mechanism, which are successively connected with the main shaft (3), constitutes the tooth
The transmission mechanism of roller box, the main shaft (3) are fixed together with axial fan hub, and the gear-box is solid by the main box (5)
It is scheduled on main frame, the output shaft (20) is directly connected to motor by locking plate；
It is characterized in that,
The gear-box and the main shaft (3) use integrated morphology, and the main shaft (3) is built in the gear-box, spindle shaft
(6) inner ring is held to be fixed on the main shaft (3), on the fixed main box (5) of main shaft bearing (6) outer ring, the main shaft
Bearing (6) is using oil lubrication and equipped with the lubricating oil specking (22) for forced feed lubrication；
The secondary solar gear (15) of the secondary planet transmission mechanism is adopted a split structure with the output shaft (20), in the two
Between linked together by spline housing (16), the spline housing (16) is supported on the rear box by bearing and bearing block (18)
(17) on.
2. half-direct-driven wind generation main transmission gearbox built in main shaft according to claim 1, which is characterized in that described
Secondary planet mechanism uses Helical gear Transmission.
3. half-direct-driven wind generation main transmission gearbox built in main shaft according to claim 1 or 2, which is characterized in that
The gear-box has independent seal cavity, specifically, successively by being fixed on the sealing tube assembly of the main shaft (3) front end
(1) and drive end bearing bracket (2), the main box end cover group that is set on the main shaft (3) and is fixed on the main box (5) front end
Part (4), the main box (5), the primary annulus (9) of the primary planet mechanism, the middle cabinet (11), the secondary planet
Second level gear ring (14), the secondary solar gear (15), the spline housing (16) and the bearing block (18) of mechanism and described
Rear box (17), rear case component (19) and the output shaft (20) form independent seal cavity.
4. half-direct-driven wind generation main transmission gearbox built in main shaft according to claim 3, which is characterized in that described
The position of all bearings and gear engagement inside gear-box is equipped with the lubricating oil specking for forced feed lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167840.1A CN109027196B (en) | 2018-10-08 | 2018-10-08 | Main transmission gear box for main shaft built-in semi-direct drive wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167840.1A CN109027196B (en) | 2018-10-08 | 2018-10-08 | Main transmission gear box for main shaft built-in semi-direct drive wind power generation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027196A true CN109027196A (en) | 2018-12-18 |
| CN109027196B CN109027196B (en) | 2023-11-28 |
Family
ID=64616203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811167840.1A Active CN109027196B (en) | 2018-10-08 | 2018-10-08 | Main transmission gear box for main shaft built-in semi-direct drive wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109027196B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114439911A (en) * | 2022-01-28 | 2022-05-06 | 大连华锐重工集团股份有限公司 | Lubricating and sealing system of traveling driving speed reducer of large-axle-weight metallurgical vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109027196B (en) | 2023-11-28 |
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