CN110454506A - A kind of bearing seal structure of wind-driven generator - Google Patents
A kind of bearing seal structure of wind-driven generator Download PDFInfo
- Publication number
- CN110454506A CN110454506A CN201910860558.XA CN201910860558A CN110454506A CN 110454506 A CN110454506 A CN 110454506A CN 201910860558 A CN201910860558 A CN 201910860558A CN 110454506 A CN110454506 A CN 110454506A
- Authority
- CN
- China
- Prior art keywords
- seal
- ring
- sealing
- inner ring
- outer ring
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 71
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000004519 grease Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000007704 transition Effects 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
Abstract
A kind of bearing seal structure of wind-driven generator, including outer ring and inner ring, rolling track body is provided between outer ring and inner ring, it rolls and is provided with first sealing device below track body, first sealing device includes sealing ring and oil collector sump tank, sealing lip is provided on oil collector sump tank, sealing lip is flexibly connected in the trench, and the other end of oil collector sump tank is mounted in fixation hole；It rolls and is provided with the second sealing device above track body, the second sealing device includes fixed body and seal, and seal is arranged between outer ring and inner ring, and fixed body is mounted on outer ring upper surface and inner ring upper surface.The present invention overcomes the deficiencies in the prior art, and design is rationally, easy for installation, and maintenance/maintenance manpower and physics cost reduce, and maintenance time shortens, and improve the availability of blower, to improve generated energy, can be safeguarded on direct tower.
Description
Technical field
The present invention relates to the technical field of sealing technology of bearing, and in particular to a kind of bearing seal structure of wind-driven generator.
Background technique
When unit is run, the grease of Bearing inner can squeeze, then wind power generating set outward under pressure
It is leaked from sealing place, causes the pollution inside unit.
And the sealing means that base bearing uses in wind power generating set at present are mainly that single lip or double-lip seal mode carry out
Sealing, and since under ultimate load rental, gap increases between bearing internal external circle, sealing ring can not make up bearing deformation, most
After lead to oil leak.And bearing oil drain passage has some setbacks, and grease discharge is difficult, and grease is arranged from the sealing ring for being easier to exclude
Out.
Summary of the invention
In view of the deficiencies of the prior art, it the present invention provides a kind of bearing seal structure of wind-driven generator, overcomes existing
There is the deficiency of technology, design is rationally, easy for installation, and maintenance/maintenance manpower and physics cost reduce, and maintenance time shortens, and improves
The availability of blower can be safeguarded to improve generated energy on direct tower.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of bearing seal structure of wind-driven generator, including outer ring and inner ring, are provided with rolling between the outer ring and inner ring
Track body, the rolling track body lower section are provided with first sealing device, and the first sealing device includes sealing ring and oil-collecting
Device, the sealing ring is connected to one end of oil collector sump tank, and the sealing ring is movably arranged between outer ring and inner ring, described
It is provided with sealing lip on oil collector sump tank, groove, the sealing lip activity are offered at the non-stressed concentration of the outer ring side surface
In the trench, the inner ring lower surface offers fixation hole, and the other end of the oil collector sump tank is mounted in fixation hole for connection；Institute
It states to roll and is provided with the second sealing device above track body, second sealing device includes fixed body and seal, described close
Feng Tiyu fixed body is connected, and the seal is arranged between outer ring and inner ring, and the side of the fixed body passes through bolt
It is respectively and fixedly installed to inner ring upper surface, the other side of the fixed body is flexibly connected with outer ring.
Preferably, the sealing ring is provided with no less than two, and the sealing ring is soft seal.
Preferably, one end side surface that the oil collector sump tank is mutually fixed with inner ring opens up detent slot, table in the detent slot
Face is fixedly connected with one end of spring, and the other end of the spring is fixedly connected with detent block, and the detent block is movably connected in card
Position slot inner surface, and the detent block matches with fixation hole.
Preferably, the detent slot is provided with two rows, and is separately positioned on oil collector sump tank both side surface, and every row's detent slot is set
It is equipped with no less than two.
Preferably, the fixed external surface is fixedly connected with one end of spring, and the other end of the spring is fixedly connected on
Sealant surface, the seal are rotatablely connected by revolute pair and fixed body.
Preferably, the seal is provided at least one set.
Preferably, the contact jaw of the seal and outer ring and inner ring is set as arcuate structure, the outer ring and inner ring point
The position not being in contact with seal is provided with the arc groove to match with arcuate structure.
The present invention provides a kind of bearing seal structures of wind-driven generator.Have following the utility model has the advantages that by using stifled
Plug is flexibly connected in the trench to playing sealing function between bearing outer ring and inner ring by setting sealing lip, and oil-collecting is made
Enclosed construction is formed in device, to can play to grease when sealing ring does not seal grease completely by oil collector sump tank
Secondary seal protective effect, to further prevent grease from leaking out and causing security risk；Pass through the second sealing device again
Seal, which is mounted on, to be rolled above track body, is flowed so as to prevent from rolling the grease in track body above rolling track body
Out.
Detailed description of the invention
It, below will be to institute in description of the prior art in order to illustrate more clearly of the present invention or technical solution in the prior art
Attached drawing to be used is needed to be briefly described.
Structural schematic diagram Fig. 1 of the invention；
The structural schematic diagram of Fig. 2 first sealing device of the present invention；
The structural schematic diagram of Fig. 3 the second sealing device of the present invention；
Figure label explanation:
1, inner ring；2, outer ring；3, track body is rolled；4, first sealing device；5 grooves；6, fixation hole；7, the second sealing device；
8, bolt；41, sealing ring；42, oil collector sump tank；43, sealing lip；44, detent slot；45 springs；46, detent block；71, fixed body；
72, seal；73, spring.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the attached drawing in the present invention, to this
Technical solution in invention is clearly and completely described.
Embodiment one, as shown in Figure 1 to Figure 3, a kind of bearing seal structure of wind-driven generator, including outer ring 1 and inner ring
2, it is provided between outer ring 1 and inner ring 2 and rolls track body 3, rolled and be provided with first sealing device 4 below track body 3, first is close
Seal apparatus 4 includes sealing ring 41 and oil collector sump tank 42, and sealing ring 41 is connected to one end of oil collector sump tank 42, and 41 activity of sealing ring
It is mounted between outer ring 1 and inner ring 2, sealing lip 43 is provided on oil collector sump tank 42, is opened at the non-stressed concentration of 1 side surface of outer ring
Equipped with groove 5, sealing lip 43 is movably connected in groove 5, and 2 lower surface of inner ring offers fixation hole 6, oil collector sump tank 42 it is another
End is mounted in fixation hole 6；It rolls and is provided with the second sealing device 7 above track body 3, the second sealing device 7 includes fixed body
71 and seal 72, seal 72 be connected with fixed body 71, and seal 72 be arranged between outer ring 1 and inner ring 2, fixed body
71 two sides are respectively and fixedly installed to 2 upper surface of 1 upper surface of outer ring and inner ring by bolt 8.
When in use, the sealing ring 41 of first sealing device 4 is mounted between outer ring 1 and inner ring 2, by using blocking
Formula is to playing sealing function between bearing outer ring 1 and inner ring 2, and by the way that the root of oil collector sump tank 42 is mounted in fixation hole 6,
For reinforcing the longitudinal pulling force of sealing ring 41, prevent sealing ring 41 from longitudinally falling off, and be movably connected in by the way that sealing lip 43 is arranged
In groove 5, make to form enclosed construction in oil collector sump tank 42, to pass through oil-collecting when sealing ring 41 does not seal grease completely
Device 42 can play secondary seal protective effect to grease, to further prevent grease from leaking out and causing security risk；
It is mounted on again by the seal 72 of the second sealing device 7 and rolls 3 top of track body, so as to prevent from rolling in track body 3
Grease from roll track body 3 above flow out.
Embodiment two, based on the further improvement of embodiment one, there are three the settings of sealing ring 41, and sealing ring 41 is soft close
Envelope.By the sealing function that three sealing rings 41 are progressive, better seal effect, and the side for passing through soft seal can be played
Formula can reduce the relative motion between outer ring 1 and inner ring 2 and caused by frictionally damage.
Embodiment three, as shown in Fig. 2, the further improvement based on embodiment one, oil collector sump tank 42 is fixed with 2 phase of inner ring
One end side surface opens up detent slot 44, and 44 inner surface of detent slot is fixedly connected with one end of spring 45, and the other end of spring 45 is fixed
It is connected with detent block 46, detent block 46 is movably connected in 44 inner surface of detent slot, and detent block 46 matches with fixation hole 6.From
And when installing first sealing device 4, when the one end fixed with 2 phase of inner ring of oil collector sump tank 42 enters fixation hole 6, detent block 46
Spring 45 can be squeezed and entered in detent slot 44, and when being clamped in place, it, can be by detent block 46 by the elastic reaction of spring 45
It squeezes out detent slot 44 and matches with fixation hole 6, drawn so that the longitudinal of first sealing device 4 can be reinforced by detent block 46
Power prevents first sealing device 4 from longitudinally falling off.
Example IV, based on the further improvement of embodiment three, detent slot 44 is provided with two rows, and is separately positioned on oil-collecting
42 both side surface of device, there are three every settings of row's detent slot 44.To by the common clamping of three groups of detent slots 44 effect, make the
One sealing device 4 is fixed more stable, and can also be played to the lengthwise position of first sealing device 4 by three groups of detent slots 44
Adjustment effect.
Embodiment five, based on the further improvement of embodiment one, 71 outer surface of fixed body is fixedly connected with one end of spring 73,
The other end of spring 73 is fixedly connected on 72 surface of seal, and seal 72 is rotatablely connected by revolute pair and fixed body 71；It is close
The contact jaw of envelope body 72 and outer ring 1 and inner ring 2 is set as arcuate structure, what outer ring 1 and inner ring 2 were in contact with seal 72 respectively
Position is provided with the arc groove to match with arcuate structure.
To be justified by the arcuate structure of 72 outer end of seal when seal 72 enters between outer ring 1 and inner ring 2
Arc transition, and squeeze spring 73, after seal 72 is moved to designated position, the pass that is matched by arc groove and arcuate structure
System is sealed, and the effect of elastic packing can be given to seal 72 by spring 73, to guarantee outer ring 1 and interior
For circle 2 when relative displacement occurs, seal 72 is also able to carry out the sealing adjustment of adaptability.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of bearing seal structure of wind-driven generator, including outer ring (1) and inner ring (2), the outer ring (1) and inner ring (2)
Between be provided with and roll track body (3), it is characterised in that: the rollings track body (3) lower section is provided with first sealing device
(4), the first sealing device (4) includes sealing ring (41) and oil collector sump tank (42), and the sealing ring (41) is connected to oil-collecting
One end of device (42), and the sealing ring (41) is movably arranged between outer ring (1) and inner ring (2), the oil collector sump tank
(42) it is provided on sealing lip (43), offers groove (5), the sealing at the non-stressed concentration of outer ring (1) side surface
Lip (43) is movably connected in groove (5), and inner ring (2) lower surface offers fixation hole (6), the oil collector sump tank (42)
The other end is mounted in fixation hole (6)；
It is provided with the second sealing device (7) above the rolling track body (3), second sealing device (7) includes fixed body
(71) it is connected with seal (72), the seal (72) with fixed body (71), and the seal (72) is arranged in outer ring
(1) between inner ring (2), the side of the fixed body (71) is respectively and fixedly installed to inner ring (2) upper surface by bolt (8),
The other side of the fixed body (71) is flexibly connected with outer ring (1).
2. a kind of bearing seal structure of wind-driven generator according to claim 1, it is characterised in that: the sealing ring
(41) no less than two are provided with, and the sealing ring (41) is soft seal.
3. a kind of bearing seal structure of wind-driven generator according to claim 1, it is characterised in that: the oil collector sump tank
(42) one end side surface mutually fixed with inner ring (2) opens up detent slot (44), and detent slot (44) inner surface is fixedly connected with bullet
The other end of one end of spring (45), the spring (45) is fixedly connected with detent block (46), and the detent block (46) is flexibly connected
In detent slot (44) inner surface, and the detent block (46) matches with fixation hole (6).
4. a kind of bearing seal structure of wind-driven generator according to claim 3, it is characterised in that: the detent slot
(44) two rows are provided with, and are separately positioned on oil collector sump tank (42) both side surface, every row's detent slot (44) is provided with no less than two
It is a.
5. a kind of bearing seal structure of wind-driven generator according to claim 1, it is characterised in that: the fixed body
(71) outer surface is fixedly connected with one end of spring (73), and the other end of the spring (73) is fixedly connected on seal (72) table
Face, the seal (72) are rotatablely connected by revolute pair and fixed body (71).
6. a kind of bearing seal structure of wind-driven generator according to claim 5, it is characterised in that: the seal
(72) it is provided at least one set.
7. a kind of bearing seal structure of wind-driven generator according to claim 5, it is characterised in that: the seal
(72) be set as arcuate structure with the contact jaw of outer ring (1) and inner ring (2), the outer ring (1) and inner ring (2) respectively with seal
(72) position being in contact is provided with the arc groove to match with arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860558.XA CN110454506A (en) | 2019-09-11 | 2019-09-11 | A kind of bearing seal structure of wind-driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860558.XA CN110454506A (en) | 2019-09-11 | 2019-09-11 | A kind of bearing seal structure of wind-driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454506A true CN110454506A (en) | 2019-11-15 |
Family
ID=68491776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860558.XA Pending CN110454506A (en) | 2019-09-11 | 2019-09-11 | A kind of bearing seal structure of wind-driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454506A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020265A (en) * | 2015-08-06 | 2015-11-04 | 国电联合动力技术有限公司 | Pitch bearing of wind turbine generator and anti-corrosion processing method of pitch bearing |
| CN105333017A (en) * | 2014-07-02 | 2016-02-17 | 通用电气公司 | Sealing device, wind-driven generator and grease collecting method |
| CN205036733U (en) * | 2015-10-22 | 2016-02-17 | 进发轴承有限公司 | A sealed bearing |
| CN205207445U (en) * | 2015-12-10 | 2016-05-04 | 成都天马铁路轴承有限公司 | A novel seal structure for becoming oar bearing or driftage bearing |
| CN105650123A (en) * | 2016-03-11 | 2016-06-08 | 如皋市非标轴承有限公司 | Thrust bearing for automobile steering axle |
| DE102017109777A1 (en) * | 2017-05-08 | 2018-11-08 | Schaeffler Technologies AG & Co. KG | Sealed large roller bearing |
| CN209067676U (en) * | 2018-08-22 | 2019-07-05 | 韶关东南轴承有限公司 | A kind of sealing ring can be improved lubricant effect |
| CN210565806U (en) * | 2019-09-11 | 2020-05-19 | 新天绿色能源股份有限公司 | Bearing sealing structure of wind driven generator |
-
2019
- 2019-09-11 CN CN201910860558.XA patent/CN110454506A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333017A (en) * | 2014-07-02 | 2016-02-17 | 通用电气公司 | Sealing device, wind-driven generator and grease collecting method |
| CN105020265A (en) * | 2015-08-06 | 2015-11-04 | 国电联合动力技术有限公司 | Pitch bearing of wind turbine generator and anti-corrosion processing method of pitch bearing |
| CN205036733U (en) * | 2015-10-22 | 2016-02-17 | 进发轴承有限公司 | A sealed bearing |
| CN205207445U (en) * | 2015-12-10 | 2016-05-04 | 成都天马铁路轴承有限公司 | A novel seal structure for becoming oar bearing or driftage bearing |
| CN105650123A (en) * | 2016-03-11 | 2016-06-08 | 如皋市非标轴承有限公司 | Thrust bearing for automobile steering axle |
| DE102017109777A1 (en) * | 2017-05-08 | 2018-11-08 | Schaeffler Technologies AG & Co. KG | Sealed large roller bearing |
| CN209067676U (en) * | 2018-08-22 | 2019-07-05 | 韶关东南轴承有限公司 | A kind of sealing ring can be improved lubricant effect |
| CN210565806U (en) * | 2019-09-11 | 2020-05-19 | 新天绿色能源股份有限公司 | Bearing sealing structure of wind driven generator |
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