CN110081150A - Wind turbine gearbox and its planet wheel bearing lubricate fixed structure - Google Patents
Wind turbine gearbox and its planet wheel bearing lubricate fixed structure Download PDFInfo
- Publication number
- CN110081150A CN110081150A CN201910396193.XA CN201910396193A CN110081150A CN 110081150 A CN110081150 A CN 110081150A CN 201910396193 A CN201910396193 A CN 201910396193A CN 110081150 A CN110081150 A CN 110081150A
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- China
- Prior art keywords
- oil
- pin shaft
- fixed structure
- planet wheel
- wheel bearing
- Prior art date
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- 239000003921 oil Substances 0.000 claims abstract description 109
- 238000005461 lubrication Methods 0.000 claims abstract description 53
- 239000000446 fuel Substances 0.000 claims abstract description 34
- 239000010687 lubricating oil Substances 0.000 claims abstract description 26
- 239000006071 cream Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims abstract description 4
- 239000002775 capsule Substances 0.000 claims 1
- 239000004519 grease Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000002199 base oil Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
- F03D80/70—Bearing or lubricating arrangements
-
- 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
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
-
- 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
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
-
- 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
- F16H57/045—Lubricant storage reservoirs, e.g. reservoirs in addition to a gear sump for collecting lubricant in the upper part of a gear case
-
- 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
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0479—Gears or bearings on planet carriers
-
- 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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02078—Gearboxes for particular applications for wind turbines
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/085—Bearings for orbital gears
-
- 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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of wind turbine gearboxes and its planet wheel bearing to lubricate fixed structure, and wind turbine gearbox includes: planet wheel bearing lubrication fixed structure；It includes: planet carrier, pin shaft, planetary gear, sliding bearing, limit screw and spring that planet wheel bearing, which lubricates fixed structure,；Sliding bearing is equipped with lubrication oil sac and fuel feed hole；One end of limit screw passes through spring and is threadedly coupled with pin shaft composition；The other end of limit screw is inserted into fuel feed hole；Limit screw is formed with middle through-hole；The shoe cream room of storage lubricating oil is equipped between one end and planet carrier of pin shaft；Axial lubrication road is connected to shoe cream room；Pin shaft is formed with oblique oil duct；Oblique oil duct favours the axis of pin shaft.Wind turbine gearbox of the invention and its planet wheel bearing lubricate fixed structure, the installation reliability height and high lubricating effect of sliding bearing.
Description
Technical field
The present invention relates to a kind of wind turbine gearboxes and its planet wheel bearing to lubricate fixed structure.
Background technique
In wind-driven generator, gear-box is the critical component of wind-driven generator, at present in the gear-box of wind-driven generator
Generally all contain one or more levels planet speed-change grade, planet wheel bearing generallys use rolling bearing as support.With single machine function
The increase of rate, it is desirable that gear-box has higher power density and higher reliability, while needing strict control cost, and
More and more failure cases that Market Feedback goes out after wind-powered electricity generation.Especially in planet speed-change grade, since revolving speed is low, load is big, operation
Stability is poor, and the failure ratio of planetary gear rolling bearing is increasing year by year.Based on this, part wind turbine gearbox manufacturer has been opened
Begin to study and substitutes rolling bearing with sliding bearing in wind turbine gearbox to meet above-mentioned utilization.
Particularly with input stage planetary gear speed change grade, continuing to increase and lengthening with blade of wind-driven generator, planetary gear
Speed is lower and lower, and load is increasing, in addition extreme installation and brake operating condition, to being chosen with bring for sliding bearing
War.
Planetary gear sliding bearing, which uses, has that sliding bearing temperature overtemperature and bearing run circle two typical failures of tile kilning,
Obstacle is brought to the application of sliding bearing.Based on this, it is necessary to be fixed to existing sliding bearing and lubrication system progress is excellent
Change.Planetary gear sliding bearing is usually by fitting tightly on pin shaft, additional external screw or pin, or simple tight fit is consolidated
It is fixed；Oil leab draws lubricating oil from planetary gear both ends of the surface usually from pin shaft oil inlet to from sliding bearing.In the big load of low speed
Under lotus, oil film bearings are smaller, exist simultaneously fluid friction, boundary friction and dry friction phenomenon, additional Outer screw and
Pin, which exists, loosens risk, causes sliding bearing actual effect；Sliding bearing lubricating oil can only be flowed out from planetary gear end face, and part is high gentle
Lubricating oil cannot be taken away in time, cause the upgrading of sliding bearing temperature too fast.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of wind turbine gearbox and its planet wheel bearing lubrication are solid
Determine structure, improves and reliability of structure is fixedly mounted and improves heat dissipation performance.
In order to achieve the above objectives, the present invention uses following scheme:
A kind of planet wheel bearing lubrication fixed structure, comprising: planet carrier, pin shaft, planetary gear and sliding bearing；Pin shaft is installed to row
Carrier；Sliding bearing is installed to pin shaft；Planetary gear is formed with bearing pin mounting hole；Pin shaft and sliding bearing are located at bearing pin mounting hole
It is interior；Planetary gear is installed by pin shaft to planet carrier；Planet wheel bearing lubricates fixed structure further include: for locking sliding bearing phase
Limit screw for the position of pin shaft and the spring to limit screw application pretightning force；Between sliding bearing and bearing pin mounting hole
It is formed with oil clearance；Sliding bearing is equipped with the oil inlet for entering lubrication oil sac for the lubrication oil sac and fuel feeding of oil clearance fuel feeding
Hole；Pin shaft forms the radial oil leab of oriented fuel feed hole fuel feeding and oil is directed into the axial lubrication of radial oil leab
Road；Radial oil leab is connected to axial oil leab；Pin shaft is equipped with spring mounting groove；Spring mounting groove is set to radial lubricating oil
The one end in road；Spring is located in spring mounting groove；One end of limit screw passes through spring and is threadedly coupled with pin shaft composition；Stop
The other end of screw is inserted into fuel feed hole；Limit screw, which is formed with, imported into the oil in radial oil leab in lubrication oil sac
Through-hole；Middle through-hole connection lubrication oil sac and radial oil leab；Storage lubricating oil is equipped between one end and planet carrier of pin shaft
Shoe cream room；Axial lubrication road is connected to shoe cream room；Pin shaft, which is formed with, is back to axial lubrication road for the oil in shoe cream room
Oblique oil duct；Oblique oil duct favours the axis of pin shaft；Oblique oil duct is connected to axial oil leab and shoe cream room.
Further, sliding bearing is equipped with several lubrication oil sacs being arranged in pairs in 180 degree.
Further, planet wheel bearing lubricates fixed structure further include: distance collar；Planet wheel bearing lubricates fixed structure packet
Include two sliding bearings；Distance collar is set between two sliding bearings.
Further, the outer diameter of distance collar is less than the outer diameter of sliding bearing.
Further, the difference of the outer diameter of the outer diameter and distance collar of sliding bearing is more than or equal to 2mm and is less than or equal to 3mm.
Further, pin shaft is formed with drainback passage；Distance collar is formed with the excessively oily of the inner side and outer side of connection distance collar
Hole；Drainback passage is connected to oil clearance by oil-through hole.
Further, the inner wall of distance collar is formed with annular groove；Annular groove is set to one end of oil-through hole；Distance collar is formed with more
A oil-through hole.
Further, limit screw includes: upper end, middle portion and lower end；Middle portion is connected to upper and lower end；
The diameter of middle portion is greater than the diameter of upper and lower end；Spring is set in the periphery of upper end；Lower end is inserted into oil inlet
Hole.
Further, spring is set between middle portion and the slot bottom of spring mounting groove.
Further, the length of lower end is less than the depth of fuel feed hole.Sliding bearing is bush(ing) bearing.
A kind of wind turbine gearbox, comprising: above-mentioned planet wheel bearing lubricates fixed structure.
The invention has the beneficial effects that even if the setting for lubricating oil sac ensure that gear-box in antiport in short-term by
Power supporting region remains to and obtains sufficient lubricating oil supply when Positive work.Oblique oil duct due to being equipped with certain angle is connected to pin shaft
The shoe cream room and axial lubrication road of distal end, ensure that gear-box the starting of forced feed and power-off operating condition when, each sliding
Bearing remains to obtain the lubricating oil supply for forming lubricating oil film enough；Since the distance collar being equipped between two sliding bearings is equipped with
Oil-through hole, pin shaft are equipped with corresponding drainback passage, and the heat that ensure that sliding bearing friction generates can quickly be moistened in time
Lubricating oil is taken away.
Limit screw and spring cooperation ensure that even if in the process of running, loosen since vibration screw generates, spring pair
Limit screw, which applies in the fuel feed hole that pretightning force enables one end of limit screw to be embedded into sliding bearing always, to carry out effectively
It is fixed.One end of limit screw is limited in the plane lower than sliding bearing outer surface, guarantees effective fixation of sliding bearing
It is not had an impact with and to oil film.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of planet wheel bearing lubrication fixed structure of the invention；
Fig. 2 is the cross-sectional view of the another location of planet wheel bearing lubrication fixed structure in Fig. 1.
Planet wheel bearing lubrication fixed structure 100, planet carrier 10, planet carrier oil duct 11, pin shaft 20, spring mounting groove 21,
Radial oil leab 22, axial lubrication road 23, oblique oil duct 24, drainback passage 25, pin shaft oil inlet oil duct 26, planetary gear 30, pin
Shaft mounting hole 31, sliding bearing 40 lubricate oil sac 41, fuel feed hole 42, limit screw 50, spring 60, distance collar 70, oil-through hole
71, oil clearance 101, shoe cream room 102, gear-box oil sump 103.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of planet wheel bearing lubricates fixed structure 100, comprising: planet carrier 10, pin shaft 20, row
Star-wheel 30, sliding bearing 40, limit screw 50 and spring 60.
Pin shaft 20 is installed to planet carrier 10.Sliding bearing 40 is installed to pin shaft 20.Specifically, 40 sets of sliding bearing are filled to
Pin shaft 20.Further, 40 interference of sliding bearing is connected to pin shaft 20.Sliding bearing 40 is bush(ing) bearing.
Planetary gear 30 is formed with bearing pin mounting hole 31.Pin shaft 20 passes through bearing pin mounting hole 31.Pin shaft 20 and sliding bearing 40
In bearing pin mounting hole 31.Planetary gear 30 is installed by pin shaft 20 to planet carrier 10.
Planet wheel bearing lubrication fixed structure 100 can be applied in wind turbine gearbox.In other words, a kind of wind turbine gearbox
Fixed structure 100 is lubricated including planet wheel bearing.
Multiple planetary gears 30 and multiple pin shafts 20 can be installed as a kind of specific embodiment, on planet carrier 10.Often
Sliding bearing 40 there are two being respectively mounted on a pin shaft.
Limit screw 50 is for locking position of the sliding bearing 40 relative to pin shaft 20.Spring 60 applies limit screw 50
Pretightning force makes limit screw 50 still be able to effectively lock the relative position of sliding bearing 40 and pin shaft 20 when screw thread loosens.
Oil clearance 101 is formed between sliding bearing 40 and bearing pin mounting hole 31.Sliding bearing 40 is equipped between oil film
The lubrication oil sac 41 and fuel feeding of 101 fuel feeding of gap enter the fuel feed hole 42 of lubrication oil sac 41.
In planetary transmission system operation, lubricating oil film is formed in oil clearance 101.Sliding bearing 40 outer peripheral surface and
Lubricating oil film is formed between the hole wall of bearing pin mounting hole 31.
Pin shaft 20 forms the radial oil leab 22 of oriented 42 fuel feeding of fuel feed hole and oil is directed into radial oil leab 22
Axial lubrication road 23.
Radial oil leab 22 is connected to axial oil leab 23.
Pin shaft 20 is equipped with pin shaft oil inlet oil duct 26.Planet carrier 10 is equipped with planet carrier oil duct 11.Pin shaft oil inlet oil duct 26 is connected to
Axial lubrication road 23.Lubricating oil enters axial lubrication road after entering pin shaft oil inlet oil duct 26 by planet carrier oil duct 11
23.Lubricating oil can be entered by box body oil duct or oil pipe and carry out fuel feeding in planet carrier oil duct 11.
As a kind of specific embodiment, axial lubrication road 23 is located at the center of pin shaft 20.Axial lubrication road 23
Along pin shaft 20 axis it is axially extending.Radial oil leab 22 is radially extended along the axis of pin shaft 20.Multiple radial lubrications
Oil duct 22 is connected to axial lubrication road 23.Axial lubrication road 23 is multiple radial 22 fuel feeding of oil leab to sliding bearing
40 are lubricated.
Pin shaft 20 is equipped with spring mounting groove 21.Spring mounting groove 21 is set to one end of radial oil leab 22.Spring 60
In spring mounting groove 21.
One end of limit screw 50 passes through spring 60 and is threadedly coupled with the composition of pin shaft 20.Specifically, spring 60 is spiral shell
Bellows spring.Limit screw 50 passes through spring 60 and refers to that limit screw 50 is inserted into the inner hole of spring 60 that spring 60 is arranged in other words
In the periphery of limit screw 50.
The other end of limit screw 50 is inserted into fuel feed hole 42.Limit screw 50 is formed with will be in radial oil leab 22
Oil imported into the middle through-hole of lubrication oil sac 41.Middle through-hole connection lubrication oil sac 41 and radial oil leab 22.
Lubricating oil is imported by lubrication by the middle through-hole of limit screw 50 into the lubricating oil in radial oil leab 22
In oil sac 41.Specifically, the extending direction of middle through-hole is identical as the radial extending direction of oil leab 22.More specifically,
The hole depth direction of middle through-hole is parallel with the direction of active force that spring 60 applies limit screw 50.
The shoe cream room 102 of storage lubricating oil is equipped between one end and planet carrier 10 of pin shaft 20.Axial lubrication road 23 connects
Pass to shoe cream room 102.
Shoe cream room 102 is set to the one end in axial lubrication road 23.Specifically, shoe cream room 102 is set to axial lubrication
The terminal section of oil duct 23.
Pin shaft 20 is formed with the oblique oil duct 24 that axial lubrication road 23 is back to for the oil in shoe cream room 102.Oblique oil duct 24
Favour the axis of pin shaft 20.The bottom of shoe cream room 102 is connected to oblique oil duct 24.Tiltedly oil duct 24 is with the axis of pin shaft 20 at certain
Angle.Oblique oil duct 24 is connected to axial oil leab 23 and shoe cream room 102.
After the cutting of external fuel feeding, the lubricating oil in shoe cream room 102 can be quickly through axial lubrication road 23 and tiltedly oily
24 pairs of road lubrication oil sac 41 carries out fuel feeding.
As a preferred embodiment, sliding bearing 40 is equipped with several lubrication oil sacs being arranged in pairs in 180 degree
41.The number for lubricating oil sac 41 is identical as the radial number of oil leab 22.Lubricate the number and limit screw 50 of oil sac 41
Number is identical.Fuel feed hole 42 is set to the middle part of lubrication oil sac 41.Limit screw 50 and the complete installation of spring 60.
As a kind of specific embodiment, planet wheel bearing lubricates fixed structure 100 further include: distance collar 70.
Pin shaft 20 is arranged there are two sliding bearing 40.Distance collar 70 is set between two sliding bearings 40.Pin shaft 20 is set
There is positioning shaft shoulder.Sliding bearing 40 realizes axially position by positioning shaft shoulder and distance collar 70.Limit screw 50 and fuel feed hole 42
Circumferential registration may be implemented in cooperation.
The outer diameter of distance collar 70 is less than the outer diameter of sliding bearing 40.Specifically, the outer diameter and distance collar of sliding bearing 40
The difference of 70 outer diameter is more than or equal to 2mm and is less than or equal to 3mm.
Poly- oily space is formed between the outer surface of distance collar 70 and the hole wall of bearing pin mounting hole 31.For two sliding bearings 40
The parts of lubricating oil of parts of lubricating oil after lubrication in other words in two oil clearances 101 is brought to oily space to centre.Pin
Axis 20 is formed with drainback passage 25.Distance collar 70 is formed with the oil-through hole 71 of the inner side and outer side of connection distance collar 70.Oil return is logical
Road 25 is connected to oil clearance 101 by oil-through hole 71.Drainback passage 25 is connected to gear-box oil sump 103.Oil in poly- oil space
Drainback passage 25, which is entered, by oil-through hole 71 is finally back to gear-box oil sump 103.The inner wall of distance collar 70 is formed with annular groove.
Annular groove is set to one end of oil-through hole 71.Distance collar 70 is formed with multiple oil-through holes 71.Multiple 71 even circumferential of oil-through hole distributions.
Oil-gap was formed between the end face and planet carrier 10 of planetary gear 30.Part profit after being lubricated for sliding bearing 40
The parts of lubricating oil of lubricating oil or perhaps oil clearance 101 passed through oil-gap and is back to gear-box oil sump 103.
As a kind of specific embodiment, limit screw 50 is stepped screw, and both ends are thin, and interlude is thick.Stop spiral shell
Nail 50 includes: upper end, middle portion and lower end.
Middle portion is connected to upper and lower end.The diameter of middle portion is greater than the diameter of upper and lower end.Spring 60
It is set in the periphery of upper end.The diameter of upper end is less than the internal diameter of spring 60.Specifically, spring 60 is cylindrical screw bullet
Spring.Lower end is inserted into fuel feed hole 42.The diameter of lower end is less than the diameter of fuel feed hole 42.Specifically, middle through-hole is through upper
End, middle portion and lower end.
As a kind of specific embodiment, helicitic texture can be set in middle portion and be threadedly coupled with the composition of pin shaft 20.
It is threadedly coupled as an alternative embodiment, helicitic texture can be arranged in upper end with the composition of pin shaft 20.
Spring 60 is set between middle portion and the slot bottom of spring mounting groove 21.The length of lower end is less than fuel feed hole 42
Depth.
When it is implemented, in advance by spring 60 and the installation of limit screw 50 into the spring mounting groove 21 of pin shaft 20.Rotation
Limit screw 50 makes limit screw 50 be lower than the outer surface of pin shaft 20, then installs sliding bearing 40 and distance collar 70 respectively.It will
Fuel feed hole 42 on sliding bearing 40 is aligned limit screw 50, and rotating backward the back-out certain distance of limit screw 50 makes into stop spiral shell
Nail 50, which is inserted into fuel feed hole 42 and the middle portion of limit screw 50 is made to be bonded composition circumference with the inner wall of sliding bearing 40, to be prevented
Rotation mechanism and oil supply structure can guarantee that limit screw 50 will not be higher by the outside wall surface of sliding bearing 40 under any operating condition,
Avoid fixed and lubrication failure.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. a kind of planet wheel bearing lubricates fixed structure, comprising: planet carrier, pin shaft, planetary gear and sliding bearing；The pin shaft peace
It is filled to the planet carrier；The sliding bearing is installed to the pin shaft；The planetary gear is formed with bearing pin mounting hole；The pin shaft
It is located in the bearing pin mounting hole with the sliding bearing；The planetary gear is installed by the pin shaft to the planet carrier；Its
It is characterized in that,
The planet wheel bearing lubricates fixed structure further include: for locking position of the sliding bearing relative to the pin shaft
Limit screw and to the limit screw apply pretightning force spring；Shape between the sliding bearing and the bearing pin mounting hole
At there is oil clearance；The sliding bearing, which is equipped with, enters the lubricating oil for the lubrication oil sac and fuel feeding of the oil clearance fuel feeding
The fuel feed hole of capsule；The pin shaft forms the radial oil leab of the oriented fuel feed hole fuel feeding and oil is directed into the radial profit
The axial lubrication road of grease way；The radial direction oil leab is connected to the axial lubrication road；The pin shaft is pacified equipped with spring
Tankage；The spring mounting groove is set to one end of the radial oil leab；The spring is located in the spring mounting groove；
One end of the limit screw passes through the spring and is threadedly coupled with pin shaft composition；The other end of the limit screw is inserted
Enter to the fuel feed hole；The limit screw, which is formed with, imported into the lubrication oil sac for the oil in the radial oil leab
Middle through-hole；The middle through-hole is connected to the lubrication oil sac and the radial oil leab；One end of the pin shaft and the planet
The shoe cream room of storage lubricating oil is equipped between frame；The axial lubrication road is connected to the shoe cream room；The pin shaft is formed with
The oblique oil duct in the axial lubrication road is back to for the oil in the shoe cream room；The oblique oil duct favours the axis of the pin shaft
Line；The oblique oil duct is connected to the axial lubrication road and the shoe cream room.
2. planet wheel bearing according to claim 1 lubricates fixed structure, which is characterized in that
The sliding bearing is equipped with several the described lubrication oil sacs being arranged in pairs in 180 degree.
3. planet wheel bearing according to claim 1 lubricates fixed structure, which is characterized in that
The planet wheel bearing lubricates fixed structure further include: distance collar；The planet wheel bearing lubrication fixed structure includes two
A sliding bearing；The distance collar is set between two sliding bearings.
4. planet wheel bearing according to claim 3 lubricates fixed structure, which is characterized in that
The outer diameter of the distance collar is less than the outer diameter of the sliding bearing.
5. planet wheel bearing according to claim 4 lubricates fixed structure, which is characterized in that
The difference of the outer diameter of the outer diameter of the sliding bearing and the distance collar is more than or equal to 2mm and is less than or equal to 3mm.
6. planet wheel bearing according to claim 3 lubricates fixed structure, which is characterized in that
The pin shaft is formed with drainback passage；The distance collar is formed with the excessively oily of the inner side and outer side for being connected to the distance collar
Hole；The drainback passage is connected to the oil clearance by the oil-through hole.
7. planet wheel bearing according to claim 6 lubricates fixed structure, which is characterized in that
The inner wall of the distance collar is formed with annular groove；The annular groove is set to one end of the oil-through hole；The distance collar is formed
There are multiple oil-through holes.
8. planet wheel bearing according to claim 1 lubricates fixed structure, which is characterized in that
The limit screw includes: upper end, middle portion and lower end；The middle portion is connected to the upper end and the lower end
Portion；The diameter of the middle portion is greater than the diameter of the upper end and the lower end；The spring is set in the upper end
Periphery；The lower end is inserted into the fuel feed hole.
9. planet wheel bearing according to claim 8 lubricates fixed structure, which is characterized in that
The spring is set between the middle portion and the slot bottom of the spring mounting groove.
10. a kind of wind turbine gearbox characterized by comprising planet wheel bearing as claimed in any one of claims 1 to 9
Lubricate fixed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648920A (en) * | 2020-06-23 | 2020-09-11 | 湘电风能有限公司 | Ultra-compact medium-speed permanent magnet wind generating set |
| CN114877033A (en) * | 2022-06-07 | 2022-08-09 | 南高齿(淮安)高速齿轮制造有限公司 | Transmission mechanism |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201277153Y (en) * | 2008-10-27 | 2009-07-22 | 重庆齿轮箱有限责任公司 | Planet lubrication oil supply unit for wind turbine gearbox |
| KR100966915B1 (en) * | 2010-03-11 | 2010-06-30 | 한월숙 | A speed reducer of a detailed planetary gear |
| CN101960179A (en) * | 2007-10-24 | 2011-01-26 | 加特可株式会社 | Structure for placing bearing in lubrication oil path |
| CN203585287U (en) * | 2013-11-22 | 2014-05-07 | 天津天重中直科技工程有限公司 | Lubrication bearing of speed reducer |
| CN204942504U (en) * | 2015-08-14 | 2016-01-06 | 青岛大学 | Lubricating system of wind power gear box |
| CN105422745A (en) * | 2015-12-28 | 2016-03-23 | 南京高速齿轮制造有限公司 | Planet wheel retarding stage in wind driven generator gearbox |
| WO2016101425A1 (en) * | 2014-12-26 | 2016-06-30 | 南京高速齿轮制造有限公司 | Lubrication branch of planetary gear train |
| CN109578562A (en) * | 2018-12-28 | 2019-04-05 | 南京高速齿轮制造有限公司 | The lubricant oil road structure of wind turbine gearbox |
| CN109667918A (en) * | 2017-10-13 | 2019-04-23 | 南京高速齿轮制造有限公司 | A kind of planetary transmission and wind power plant |
| CN210178874U (en) * | 2019-05-14 | 2020-03-24 | 南京高速齿轮制造有限公司 | Wind power gear box and planetary wheel bearing lubricating and fixing structure thereof |
-
2019
- 2019-05-14 CN CN201910396193.XA patent/CN110081150B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960179A (en) * | 2007-10-24 | 2011-01-26 | 加特可株式会社 | Structure for placing bearing in lubrication oil path |
| CN201277153Y (en) * | 2008-10-27 | 2009-07-22 | 重庆齿轮箱有限责任公司 | Planet lubrication oil supply unit for wind turbine gearbox |
| KR100966915B1 (en) * | 2010-03-11 | 2010-06-30 | 한월숙 | A speed reducer of a detailed planetary gear |
| CN203585287U (en) * | 2013-11-22 | 2014-05-07 | 天津天重中直科技工程有限公司 | Lubrication bearing of speed reducer |
| WO2016101425A1 (en) * | 2014-12-26 | 2016-06-30 | 南京高速齿轮制造有限公司 | Lubrication branch of planetary gear train |
| CN204942504U (en) * | 2015-08-14 | 2016-01-06 | 青岛大学 | Lubricating system of wind power gear box |
| CN105422745A (en) * | 2015-12-28 | 2016-03-23 | 南京高速齿轮制造有限公司 | Planet wheel retarding stage in wind driven generator gearbox |
| CN109667918A (en) * | 2017-10-13 | 2019-04-23 | 南京高速齿轮制造有限公司 | A kind of planetary transmission and wind power plant |
| CN109578562A (en) * | 2018-12-28 | 2019-04-05 | 南京高速齿轮制造有限公司 | The lubricant oil road structure of wind turbine gearbox |
| CN210178874U (en) * | 2019-05-14 | 2020-03-24 | 南京高速齿轮制造有限公司 | Wind power gear box and planetary wheel bearing lubricating and fixing structure thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648920A (en) * | 2020-06-23 | 2020-09-11 | 湘电风能有限公司 | Ultra-compact medium-speed permanent magnet wind generating set |
| CN114877033A (en) * | 2022-06-07 | 2022-08-09 | 南高齿(淮安)高速齿轮制造有限公司 | Transmission mechanism |
| CN114877033B (en) * | 2022-06-07 | 2023-09-15 | 南高齿(淮安)高速齿轮制造有限公司 | Transmission mechanism |
| WO2023236446A1 (en) * | 2022-06-07 | 2023-12-14 | 南高齿(淮安)高速齿轮制造有限公司 | Transmission mechanism |
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| CN110081150B (en) | 2024-03-01 |
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Effective date of registration: 20190924 Address after: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20200511 Address after: 211103 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. |
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