CN206655782U - Antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft - Google Patents
Antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft Download PDFInfo
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- CN206655782U CN206655782U CN201720342427.9U CN201720342427U CN206655782U CN 206655782 U CN206655782 U CN 206655782U CN 201720342427 U CN201720342427 U CN 201720342427U CN 206655782 U CN206655782 U CN 206655782U
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- spline
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- 230000002929 anti-fatigue Effects 0.000 title claims abstract description 16
- 238000005461 lubrication Methods 0.000 claims abstract description 36
- 230000001050 lubricating effect Effects 0.000 claims abstract description 16
- 239000010687 lubricating oil Substances 0.000 claims description 27
- 230000035699 permeability Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000011664 nicotinic acid Substances 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 13
- 239000000463 material Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 210000004027 cell Anatomy 0.000 description 6
- 206010016256 fatigue Diseases 0.000 description 6
- 208000013201 Stress fracture Diseases 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 229910001141 Ductile iron Inorganic materials 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 206010017076 Fracture Diseases 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
Classifications
-
- 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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- Wind Motors (AREA)
Abstract
It the utility model is related to antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft, anti-torsion fatigue is easy to according to the thick part in trunk root, the trunk part of equal strength overhanging structure reduces branch and the drawingand pressing fatigue intensity of bark transition junction, three bionic principles that lubricating fluid is advantageous to consume tension and compression alternate stress work(be present in the part that bark contacts with trunk, antifatigue blower fan main shaft includes flange section and main shaft portion, flange section includes sleeve-like structure body, main shaft portion includes the inserting section being connected with sleeve-like structure body inserting, sleeve-like structure body at the cooperation of inserting section with being provided with lubrication system, fluid in lubrication system can be flowed and be stored by oil-collecting bottle.Avoid the Stress superposition problem in the prior art at inserting cooperation, also solve simultaneously the fatigue at the blower fan main shaft bearing diameter of axle of current integral type twist off, the multiple problem that takes place frequently of fatigue fracture at flange knuckle, improve the anti-fatigue life of blower fan main shaft on the whole.
Description
Technical field
It the utility model is related to antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft.
Background technology
Wind-driven generator includes axial fan hub, gearbox and realizes the blower fan master that axial fan hub is connected with gearbox transmission
Axle, blower fan main shaft carry the suspending weight of support wind wheel assembly and the important function of passing power, are a weights of wind-driven generator
Want part.The blower fan main shaft of common horizontal axis wind-driven generator group is integral type structure, as shown in figure 1, the method including end
Blue part 1 and main shaft portion 2, blower fan main shaft is gone to by the bearing 5 in bearing block 4 to be installed in gearbox to carry and flange
The weight and wind load of the wind wheel assembly of part connection.Because main shaft portion 2 with the bearings section diameter of axle that bearing 5 coordinates compared with
Small, surface distortion stress is larger, and causes by the way of hot charging to where there is larger residual thermal stress, in two kinds of stress
Superposition under, the torsional fatigue of the effect that easily twists fracture 7.Connect for the transition between flange section 1 and main shaft portion 2
Socket part point 3, compact-sized because considering, its knuckle radius of curvature constantly reduces, and causes transition connection portion point 3 to be chronically at big
In the tension and compression stress deformation of the alternation of amplitude, easily cause main shaft portion in process because the tool marks iso-stress of residual is concentrated
Fatigue crack source is produced at point and then causes drawingand pressing fatigue fracture 3 occur, so as to cause the early fatigue fracture of blower fan main shaft
Occur.
Authorization Notice No. is that the U of CN 204283755 Chinese utility model patent discloses wind-driven generator and its blower fan
Main shaft, blower fan main shaft include main shaft body, and main shaft body includes the front body part and rear body part of front and rear split settings, phase
It is more easy to process than the blower fan main shaft in full alloy steel material.Adpting flange, which is integrally formed on front body part, forms flange portion
Point, base bearing supporting section, which is integrally formed on rear body part, forms main shaft portion, and adpting flange and front body part are using conjunction
Jin Gang is made, and front body part includes sleeve-like structure and is arranged at the connecting plate of sleeve-like structure front end, and base bearing supporting section is with after
Main part is made of spheroidal graphite cast-iron, and such structure setting makes each section of blower fan main shaft all be easier to make, and compares
Material cost is reduced in the blower fan main shaft of full alloy steel material.But blower fan main shaft is in the course of the work, flange section and master
It is plastically deformed at the cooperation of shaft portion because for a long time by the effect of tension and compression, flange section and main shaft portion
Cause its junction that the superposition of stress can occur in blower fan main shaft rotation process using the tight fit of hot charging, make blower fan main shaft easy
There is the problem of blower fan main shaft fatigue fracture.
Utility model content
The purpose of this utility model is that providing a kind of prior art wind owner's axle that solves FATIGUE FRACTURE PROBLEMS easily occurs
Antifatigue blower fan main shaft；Meanwhile the purpose of this utility model also resides in and provides a kind of wind-power electricity generation using the blower fan main shaft
Machine.
To achieve the above object, the technical scheme of antifatigue blower fan main shaft of the present utility model is：Antifatigue blower fan main shaft,
Flange section and main shaft portion, flange section including inserting connection include sleeve-like structure body, and main shaft portion includes and shell-like
The inserting section of structural body inserting connection, the sleeve-like structure body at the cooperation of inserting section with being provided with lubrication system.
It is connected between the sleeve-like structure body and inserting section by key and keyway, lubrication system includes being arranged at key
Top and keyway bottom land between be used for accommodate the lubricating place of lubricating oil.
The quantity of the key has to be driven between two or more or sleeve-like structure body and inserting section by spline and spline
Connection, lubrication system also include being used for the lubricating oil collecting tray for connecting each lubricating place.
The lubrication system also include be arranged at oil-collecting bottle that is on flange section and being connected with lubricating oil collecting tray and with
The permeability cell of oil-collecting bottle connection, connected between oil-collecting bottle and lubrication collecting tray by valve, valve includes housing, is arranged at
Valve seat and movable valve plug in housing, movable valve plug can be opened when it goes to extreme higher position valve make lubrication collecting tray with thoroughly
Tracheae connection, the lubricating oil that closure valve prevents from lubricating in collecting tray when it goes to extreme lower position enter oil-collecting bottle.
The inserting section is spline shaft structure, and sleeve-like structure body is spline nested structure, spline shaft structure and spline noose
Structure is the pyramidal structure along the axis direction extension of blower fan main shaft.
The technical scheme of wind-driven generator of the present utility model is：Wind-driven generator, including axial fan hub, gearbox and wind
Owner's axle, blower fan main shaft, which includes the flange section of inserting connection and main shaft portion, flange section, includes sleeve-like structure body, main shaft
Part includes the inserting section being connected with sleeve-like structure body inserting, and the sleeve-like structure body at the cooperation of inserting section with being provided with
Lubrication system.
It is connected between the sleeve-like structure body and inserting section by key and keyway, lubrication system includes being arranged at key
Top and keyway bottom land between be used for accommodate the lubricating place of lubricating oil.
The quantity of the key has to be driven between two or more or sleeve-like structure body and inserting section by spline and spline
Connection, lubrication system also include being used for the lubricating oil collecting tray for connecting each lubricating place.
The lubrication system also include be arranged at oil-collecting bottle that is on flange section and being connected with lubricating oil collecting tray and with
The permeability cell of oil-collecting bottle connection, connected between oil-collecting bottle and lubrication collecting tray by valve, valve includes housing, is arranged at
Valve seat and movable valve plug in housing, movable valve plug can be opened when it goes to extreme higher position valve make lubrication collecting tray with thoroughly
Tracheae connection, the lubricating oil that closure valve prevents from lubricating in collecting tray when it goes to extreme lower position enter oil-collecting bottle.
The inserting section is spline shaft structure, and sleeve-like structure body is spline nested structure, spline shaft structure and spline noose
Structure is the pyramidal structure along the axis direction extension of blower fan main shaft.
The beneficial effects of the utility model are：Be present lubricating fluid in the part that bark contacts with trunk, imitated according to this trees
Raw principle, lubrication system is provided with the cooperation of sleeve-like structure body and inserting section, so that sleeve-like structure body and inserting section
Between can be lubricated in the course of the work, therebetween can relative motion, avoid in the prior art the two using heat
The problem of tight fit mode of dress causes Stress superposition occurs at the inserting cooperation both when alternate stress is born, simultaneously
Also solve the fatigue at the blower fan main shaft bearing diameter of axle of current integral type twist off, fatigue fracture at flange knuckle it is more
The problem that takes place frequently is sent out, improves the anti-fatigue life of blower fan main shaft on the whole.
Brief description of the drawings
Fig. 1 is the structural representation of integral blower main shaft in background technology；
Fig. 2 is the structural representation of the embodiment one of wind-driven generator of the present utility model；
Fig. 3 is Fig. 2 left view；
Fig. 4 is the structural representation of the embodiment two of wind-driven generator of the present utility model；
Fig. 5 is Fig. 4 left view；
Fig. 6 is the structural representation of oil-collecting bottle and permeability cell.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The embodiment one of wind-driven generator of the present utility model, as shown in Fig. 2, Fig. 3, Fig. 6, including axial fan hub 5, speed change
Case 7, realize the blower fan main shaft that axial fan hub 5 is connected with gearbox 7 and the base bearing 6 being installed in gearbox.Blower fan master
Axle includes the flange section 1 and main shaft portion 2 of front and rear split settings, and flange section 1 and the inserting of main shaft portion 2 link together.
Flange section 1 includes the sleeve-like structure body 3 that axis extends along the longitudinal direction, the company being integrally formed on sleeve-like structure body 3
Acting flange 4 and the connecting plate 20 for being arranged at the front end of sleeve-like structure body 3, the junction of adpting flange 4 and sleeve-like structure body 3 is adopted
With round-corner transition, the inwall of sleeve-like structure body 3 is pre-small post-large pyramidal structure, is set on the inwall of sleeve-like structure body 3
There is spline.Inserting section 8, base bearing supporting section 9 and the overhanging section 10 that main shaft portion 2 is wholely set before and after including, base bearing 6,
Base bearing supporting section 9 and overhanging section 10 are respectively positioned in gearbox 7.Between inserting section 8 and base bearing supporting section 9, overhanging section 10 with
Fillet is equipped between base bearing supporting section 9 and carries out transition connection, the diameter of base bearing supporting section 9 is more than the diameter of inserting section 8,
Also greater than the diameter of overhanging section 10, compared to integral blower main shaft of the prior art, make in main shaft portion with bearing fit
The size overstriking at place, the distorting stress width and dependent variable on the surface of base bearing supporting section 9 can be reduced, improve and resist torsional fatigue
Fatigue strength.The spline coordinated with spline is wholely set in inserting section 8, spline is gradually to become from front to back with spline
Big pyramidal structure.I.e. inserting section 8 is spline shaft structure, and sleeve-like structure body 3 is spline nested structure, spline shaft structure and spline
Nested structure is the pyramidal structure along the axis direction extension of blower fan main shaft.8 hollow structures of inserting section, the wall thickness edge of inserting section
The loading direction of flange section gradually increase be inserting section for along the loading orient diameter of flange section gradually increase with formation
The taper axle construction of equi intensity cantilever structure, principle from the trunk parts of similar trees to the gradual thickening in root direction, to protect
Homogeneous deformation of the cone splined shaft similar to the beam of uniform strength of bearing part is demonstrate,proved, the internal stress accumulation caused by deformation is uneven is reduced and asks
Topic.
Flange section 1 is made up of alloy steel material, can bear larger tension, main shaft portion 2 is by spheroidal graphite cast-iron material
Material is made, can bear larger compression, flange section 1 and main shaft portion 2 by sleeve structure change flange section 1 to
The stress or the path of strain that main shaft portion 2 is transmitted, will integral blower main shaft in the prior art（That is Fig. 1）Middle transition connection section
Local a large amount of strain energies at place are converted into by cone splined shaft inserting section to carry, so as to greatly reduce transition connection section in Fig. 1
The stress amplitude or dependent variable at place, and spline also has blocking effect to the crackle of flange section 1, can be with Crack prevention to main shaft
Part 2 extend and caused by the serious accident of wind wheel pendant head that is integrally broken of main shaft occur, and due to largely using cast iron materials,
Can effectively solve the high Cost Problems of the main axle structure of increasing MW levels blower fan.The blower fan main shaft of above-mentioned split-type structural will be existing
The tension and compression stress changes of the alternation born at the easy fracture of some integral blower main shafts into the compression in main shaft portion,
Change stress state, and main shaft portion by bear pressure can larger ductile cast iron material be made, and therebetween again
Lubrication system be present, therefore reduce the deflection of blower fan main shaft, improve its fatigue resistance.
Lubrication system is provided with cooperation between sleeve-like structure body 3 and inserting section 8, lubrication system includes being located at spline
Key teeth top and the bottom land of the corresponding keyway of spline between be used for accommodate the lubricating place 11 of lubricating oil, each spline
Front end have an escape 12, the lubricating oil that lubrication system also includes each lubricating place 11 of connection formed by each escape 12 converges
Chute.Lubrication system also includes the exhaust oil duct connected with lubricating oil collecting tray being arranged on flange arrangement body 3, vent control valve
Ventilative oil collector sump tank 14 is provided with road, ventilative oil collector sump tank 14 includes oil-collecting bottle 23, is provided with oil-collecting bottle 23 and oil-collecting bottle
The permeability cells 24 of 23 connections, connected between oil-collecting bottle 23 and lubrication collecting tray by valve, similar to the venthole of leaf,
Valve, which includes housing 25, the valve seat 26 being arranged in housing 25 and movable valve plug 28, movable valve plug 28, to go to highest at it
Valve is opened during position makes lubrication collecting tray be connected with permeability cell 24（The exclusion of its gas and the backflow profit of oil-collecting bottle inner fluid
It is sliding, the suction of the moisture transpiration and carbon dioxide of similar leaf）, when it goes to extreme lower position, closure valve prevents lubrication from confluxing
Lubricating oil in groove largely enters oil-collecting bottle 23.Ventilative valve element 29 is additionally provided with housing 25, is provided with ventilative valve element 29 logical
Stomata 27, ventilative valve element 29 can stop that most of lubricating oil enters oil-collecting bottle 23, can have small part lubricating oil to enter oil-collecting
Bottle 23.Oil-collecting bottle 23 and permeability cell 24 can not only realize ventilative oil-collecting, be easy to the lubricating oil in gearbox to enter lubricating place
Within, it is also ensured that lubricating oil that under special circumstances can be between back feeding spline and spline.
Flange section 1 is steel alloy, carries out modifier treatment, is quenching and tempering hardness, the hardness for ensureing the cell wall of spline is
28HRC or so, spline carry out Quenching Treatment, and the hardness of spline is 62HRC or so, and its hardness is higher than the hardness of corresponding spline housing,
Be advantageous to strengthen contact fatigue strength, when spline is pressed into spline, spline has certain plastic deformation, passes through splined shaft
Spline and spline press fitting connect, spline connection mating surface on produce compression, can effectively prevent fatigue crack
The generation in source.And no longer it is the interference fit of hot charging of the prior art, there can be residual stress after hot charging, be unfavorable for preventing tired
The generation of labor crackle.
Sleeve-like structure body is inserted with inserting section by spline to be coordinated, and the spline intubating length of inserting section is less than spline
Keyway length, be preinstalled with therebetween and scribble the sealing gasket 20 of fluid sealant the fluid in collecting tray is sealed in collecting tray.Even
Around the circumferentially-spaced bolt mounting holes for being provided with a coil axis and extending along the longitudinal direction on fishplate bar 20 and the front end face of inserting section 8, respectively
Clamping screw 13 is installed, each clamping screw is locked each other by ring like steel wire 15 in bolt mounting holes.Adpting flange 4 is provided with
The first through hole that axis extends in the longitudinal, is correspondingly arranged on the second through hole on axial fan hub 5 with first through hole, first through hole and the
Two through holes are connected by studs.The length of inserting section 8 is equal to 3 times of the internal diameter of base bearing 6, to improve the pressure-bearing inside main shaft
And non-deformability.
The embodiment two of wind-driven generator of the present utility model, as shown in Figures 4 to 6, the difference with embodiment one is
The structure of flange section 1 and main shaft portion 2 is different, between flange section 1 and main shaft portion 2 be fixedly connected mode it is different and
The position that ventilative oil collector sump tank 14 is set is different, does not have connecting plate on flange section 1, main shaft portion 2 is except including front and rear one
Inserting section 8, base bearing supporting section 9 and the overhanging section 10 of setting, in addition to the linkage section 19 of the front end of inserting end 8 is integrally formed at,
Linkage section 19 is provided with external screw thread, and two locking nuts 16 are threaded with linkage section 19, and threaded connection place scribbles locking glue,
Lock plate structure 17 is provided between locking nut and flange section and scribbles the sealing gasket of fluid sealant.Exhaust oil duct is arranged at flange
In structural body 3, now it is equipped with inserting section 8 with exhaust oil duct position corresponding section and connects each annular groove of lubricating place 11, ring
Groove forms lubricating oil collecting tray, and exhaust oil duct connects with lubricating oil collecting tray.
In other embodiment of the present utility model, oil inlet can also be arranged on connecting plate；Spline can not also enter
Row Quenching Treatment is inserting section and spline without Quenching Treatment, that is to say, that the hardness of spline can be with the hardness of inserting section
It is roughly the same；The length of inserting section can also be equal to 2 times or 4 times of base bearing internal diameter；The quantity of locking nut can be according to reality
Need to be adjusted；The hardness of spline can also be 57HRC；The hardness of spline can also be 62HRC；The cell wall of spline it is hard
Degree can be 25HRC；The hardness of the cell wall of spline can also be 31HRC；Can also between sleeve-like structure body and inserting section
It is connected using more than two flat keys；End bolt can also be used to carry out between sleeve-like structure body and inserting section
Drive connection, without by the way of key and keyway；Lubricating oil collecting tray can also be processed individually, rather than moving back by each keyway
Cutter groove is formed.
The embodiment of antifatigue blower fan main shaft and the structure phase of the blower fan main shaft in each embodiment of above-mentioned wind-driven generator
Together, here is omitted.
Claims (10)
1. antifatigue blower fan main shaft, including the flange section of inserting connection and main shaft portion, flange section include sleeve-like structure sheet
Body, main shaft portion include the inserting section being connected with sleeve-like structure body inserting, it is characterised in that：The sleeve-like structure body is with inserting
Lubrication system is provided with cooperation with section.
2. antifatigue blower fan main shaft according to claim 1, it is characterised in that：The sleeve-like structure body and inserting section it
Between be connected by key and keyway, lubrication system include being arranged between the top of key and the bottom land of keyway be used for accommodate profit
The lubricating place of lubricating oil.
3. antifatigue blower fan main shaft according to claim 2, it is characterised in that：The quantity of the key has two or more or set
It is connected between shape structural body and inserting section by spline and spline, lubrication system also includes empty for connecting each lubrication
Between lubricating oil collecting tray.
4. antifatigue blower fan main shaft according to claim 3, it is characterised in that：The lubrication system also includes being arranged at method
Oil-collecting bottle that is on blue part and being connected with lubricating oil collecting tray and the permeability cell connected with oil-collecting bottle, oil-collecting bottle conflux with lubrication
Connected between groove by valve, valve can including housing, the valve seat being arranged in housing and movable valve plug, movable valve plug
When it goes to extreme higher position open valve lubrication collecting tray is connected with permeability cell, the closure valve when it goes to extreme lower position
The lubricating oil for preventing from lubricating in collecting tray enters oil-collecting bottle.
5. antifatigue blower fan main shaft according to claim 3, it is characterised in that：The inserting section is spline shaft structure, set
Shape structural body is spline nested structure, spline shaft structure and the cone that spline nested structure is along the axis direction extension of blower fan main shaft
Shape structure.
6. wind-driven generator, including axial fan hub, gearbox and blower fan main shaft, blower fan main shaft includes the flange section of inserting connection
And main shaft portion, flange section include sleeve-like structure body, main shaft portion includes the inserting being connected with sleeve-like structure body inserting
Section, it is characterised in that：The sleeve-like structure body at the cooperation of inserting section with being provided with lubrication system.
7. wind-driven generator according to claim 6, it is characterised in that：Lead between the sleeve-like structure body and inserting section
Key and keyway is crossed to be connected, lubrication system include being arranged between the top of key and the bottom land of keyway be used for accommodate lubricating oil
Lubricating place.
8. wind-driven generator according to claim 7, it is characterised in that：The quantity of the key has two or more or shell-like knot
It is connected between structure body and inserting section by spline and spline, lubrication system also includes being used to connect each lubricating place
Lubricating oil collecting tray.
9. wind-driven generator according to claim 8, it is characterised in that：The lubrication system also includes being arranged at flange portion
Point on and oil-collecting bottle connect with lubricating oil collecting tray and permeability cell connect with oil-collecting bottle, oil-collecting bottle and lubricate collecting tray it
Between connected by valve, valve includes housing, the valve seat that is arranged in housing and movable valve plug, movable valve plug can be at it
Valve makes lubrication collecting tray be connected with permeability cell to opening, when it goes to extreme lower position, closure valve prevents when going to extreme higher position
Lubricating oil in lubrication collecting tray enters oil-collecting bottle.
10. wind-driven generator according to claim 8, it is characterised in that：The inserting section is spline shaft structure, shell-like knot
Structure body is spline nested structure, spline shaft structure and the taper knot that spline nested structure is along the axis direction extension of blower fan main shaft
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342427.9U CN206655782U (en) | 2017-04-01 | 2017-04-01 | Antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720342427.9U CN206655782U (en) | 2017-04-01 | 2017-04-01 | Antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206655782U true CN206655782U (en) | 2017-11-21 |
Family
ID=60317362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720342427.9U Active CN206655782U (en) | 2017-04-01 | 2017-04-01 | Antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206655782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907304A (en) * | 2017-04-01 | 2017-06-30 | 许继集团有限公司 | A kind of antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft |
-
2017
- 2017-04-01 CN CN201720342427.9U patent/CN206655782U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907304A (en) * | 2017-04-01 | 2017-06-30 | 许继集团有限公司 | A kind of antifatigue blower fan main shaft and the wind-driven generator using the blower fan main shaft |
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