CN109630661A - The wind pitch gear box of sealing structure with filtering function - Google Patents
The wind pitch gear box of sealing structure with filtering function Download PDFInfo
- Publication number
- CN109630661A CN109630661A CN201811620023.7A CN201811620023A CN109630661A CN 109630661 A CN109630661 A CN 109630661A CN 201811620023 A CN201811620023 A CN 201811620023A CN 109630661 A CN109630661 A CN 109630661A
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing
- lip
- gear box
- filtering function
- 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 title claims abstract description 106
- 238000001914 filtration Methods 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000012535 impurity Substances 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 13
- 239000010687 lubricating oil Substances 0.000 claims abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 238000005461 lubrication Methods 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a kind of wind pitch gear boxes of sealing structure with filtering function, comprising: lip-shaped sealed ring, transmission shaft and cabinet；The wind pitch gear box of sealing structure with filtering function, further includes: the sealing ring of impurity inside gear-box can be filtered；Sealing ring is set in transmission shaft；The lubricant reservoir for lubrication oil is equipped between sealing ring and lip-shaped sealed ring；Sealing ring includes: sealed outer ring and sealing inner ring；Sealed outer ring and sealing inner ring surround the collecting chamber for collecting impurity；Outer ring seat is fixed to cabinet；Outer connection ring connects outer ring seat and sealing lip；The Oil Guide gap for entering collecting chamber for lubricating oil and impurity is formed between outer baffle ring and outer ring seat.The invention has the beneficial effects that the sealing performance of wind pitch gear box is reliably high, long service life.
Description
Technical field
The present invention relates to a kind of wind pitch gear box more particularly to a kind of wind-powered electricity generations of the sealing structure with filtering function
Variable propeller gearbox.
Background technique
The working principle of lip-shaped sealed ring in traditional wind pitch gear box is that outer ring and cabinet are fitted close, shape
At reliable static seal；Sealing lip on inner ring is held tightly on input shaft, and enclasping force is elastic by the rubber material of sealing element itself
And spring provides.But in the program, close to internal lip-shaped sealed ring, with the extension of runing time, gear-box inside is certainly
The iron filings so generated can accelerate the abrasion of the sealing ring sealing lip, leak out between two sealing rings so as to cause oil liquid；And it is close
Sealing ring outside gear-box is only grease lubrication, the more glossy slippage of sealing lip lubricant effect, the gear-box of external sealing ring
Temperature rise speed is fast when operation, accelerates the abrasion of sealing lip, and then generate failure；Lubricating oil between two sealing rings can ooze out outer
Portion's sealing ring generates seal failure.
Summary of the invention
The present invention provides a kind of wind pitch gear boxes of sealing structure with filtering function, using following technology
Scheme:
A kind of wind pitch gear box of the sealing structure with filtering function, comprising: lip-shaped sealed ring, transmission shaft and cabinet；
Lip-shaped sealed ring is set in the periphery of transmission shaft and installs to cabinet；The wind electricity change paddle gear of sealing structure with filtering function
Case, further includes: the sealing ring of impurity inside gear-box can be filtered；Sealing ring is set in transmission shaft；Sealing ring and lip-shaped sealed ring
Between be equipped with for lubrication oil lubricant reservoir；Sealing ring includes: sealed outer ring and sealing inner ring；Sealed outer ring and sealing
Inner ring surrounds the collecting chamber for collecting impurity；Sealing inner ring includes: interior ring seat, outer baffle ring and interior connection ring；Interior ring seat is fixed
To transmission shaft；Interior connection ring connects interior ring seat and outer baffle ring；Sealed outer ring includes: outer ring seat, outer connection ring and is used for and interior company
Connect sealing lip of the ring contact to stop impurity to enter from collecting chamber lubricant reservoir；Outer ring seat is fixed to cabinet；Outer connection ring connection
Outer ring seat and sealing lip；The Oil Guide gap for entering collecting chamber for lubricating oil and impurity is formed between outer baffle ring and outer ring seat.
Further, sealing lip and interior connection ring form angle；The tip of angle is towards collecting chamber.
Further, the two sides of sealing lip are respectively defined as medial surface and lateral surface；The cavity wall of medial surface composition collecting chamber
A part；Medial surface and lateral surface are the conical surface.
Further, the taper of lateral surface is less than the taper of medial surface.
Further, sealed outer ring is located between sealing inner ring and lip packing lip.
Further, outer baffle ring, interior connection ring, outer ring seat, outer connection ring and sealing lip surround collecting chamber.
Further, the wind pitch gear box of the sealing structure with filtering function further include: for limiting sealing ring
The distance collar of the distance between lip-shaped sealed ring；Distance collar is set in the periphery of transmission shaft；Distance collar is located at sealing ring and lip
Between type sealing ring.
Further, the outer ring seat of the end thereof contacts of distance collar.
Further, another end in contact lip-shaped sealed ring of distance collar.
Further, the wind pitch gear box of the sealing structure with filtering function further include: close for limiting lip shape
The circlip for hole of the axial position of seal；Circlip for hole is installed to cabinet.
The invention has the beneficial effects that the wind pitch gear box of the sealing structure with filtering function provided, sealing
Circle, which is filtered lubricating oil, makes lip-shaped sealed ring have longer service life, and then makes the leakproofness of wind pitch gear box
It can become more reliable, the maintenance period of lip-shaped sealed ring is longer, saves maintenance cost.
Detailed description of the invention
Fig. 1 is the schematic diagram of the wind pitch gear box of the sealing structure with filtering function；
Fig. 2 is the partial enlarged view of the wind pitch gear box of the sealing structure with filtering function of Fig. 1.
The wind pitch gear box 100 of sealing structure with filtering function, lip-shaped sealed ring 10, transmission shaft 20, cabinet
30, sealing ring 40, sealed outer ring 41, outer ring seat 41a, outer connection ring 41b, sealing lip 41c, sealing inner ring 42, interior ring seat 42a,
Outer baffle ring 42b, interior connection ring 42c, collecting chamber 43, Oil Guide gap 43a, lubricant reservoir 50, distance collar 60, circlip for hole
70, circlip for shaft 80, deep groove ball bearing 90.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 2, a kind of wind pitch gear box 100 of the sealing structure with filtering function, comprising: lip
Type sealing ring 10, transmission shaft 20 and cabinet 30.Lip-shaped sealed ring 10 is set in the periphery of transmission shaft 20 and installs to cabinet 30.It passes
Moving axis 20 is installed by deep groove ball bearing 90 to cabinet 30.
The wind pitch gear box 100 of sealing structure with filtering function, further includes: sealing ring 40.40 energy of sealing ring
Filter impurity inside gear-box.Sealing ring 40 is set in transmission shaft 20.Lubrication is equipped between sealing ring 40 and lip-shaped sealed ring 10
Oil pocket 50.Lubricant reservoir 50 is used for lubrication oil.Sealing ring 40 includes: sealed outer ring 41 and sealing inner ring 42.Sealed outer ring
41 surround collecting chamber 43 with sealing inner ring 42.Collecting chamber 43 is for collecting impurity.Sealing inner ring 42 includes: interior ring seat 42a, outer gear
Ring 42b and interior connection ring 42c.Interior ring seat 42a is fixed to transmission shaft 20.Ring seat 42a and outer baffle ring in interior connection ring 42c connection
42b.Sealed outer ring 41 includes: outer ring seat 41a, outer connection ring 41b and sealing lip 41c.Sealed outer ring 41 is located at sealing inner ring 42
Between lip packing lip 41c.Sealing lip 41c stops impurity to enter profit from collecting chamber 43 for contacting with interior connection ring 42c
Lubricating cavity 50.Outer ring seat 41a is fixed to cabinet 30.The outer outer ring seat 41a and sealing lip 41c of connection ring 41b connection.Outer baffle ring 42b
Oil Guide gap 43a is formed between outer ring seat 41a.Oil Guide gap 43a is used to enter collecting chamber 43 for lubricating oil and impurity.Axis
The axial position of interior ring seat 42a is limited with circlip 80.
The profile arrangement of sealing ring 40, it is identical as general lip-shaped sealed ring 10, to the gear-box that operation has been put into
In maintenance process, sealing ring 40 can be used and substitute lip-shaped sealed ring 10.
As a kind of specific embodiment, sealing lip 41c and interior connection ring 42c form angle.The tip direction of angle
Collecting chamber 43.The lubricating oil for being contaminated with impurity enters collecting chamber 43 from Oil Guide gap 43a.Impurity is blocked in by sealing lip 41c
In collecting chamber 43.
As a kind of specific embodiment, the two sides of sealing lip 41c are respectively defined as medial surface and lateral surface.Medial surface
Constitute a part of the cavity wall of collecting chamber 43.Medial surface and lateral surface are the conical surface.Specifically, the taper of lateral surface is less than interior
The taper of side.
As a kind of specific embodiment, outer baffle ring 42b, interior connection ring 42c, outer ring seat 41a, outer connection ring 41b and
Sealing lip 41c surrounds collecting chamber 43.
As a kind of specific embodiment, the wind pitch gear box 100 of the sealing structure with filtering function is also wrapped
It includes: for limiting the distance collar 60 of the distance between sealing ring 40 and lip-shaped sealed ring 10.Distance collar 60 is set in transmission shaft 20
Periphery.Distance collar 60 is between sealing ring 40 and lip-shaped sealed ring 10.The outer ring seat 41a of the end thereof contacts of distance collar 60.It is fixed
Another end in contact lip-shaped sealed ring 10 away from ring 60.
As a kind of specific embodiment, the wind pitch gear box 100 of the sealing structure with filtering function is also wrapped
It includes: for limiting the circlip for hole 70 of the axial position of lip-type packing 40.Circlip for hole 70 is installed to cabinet 30.
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 wind pitch gear box of the sealing structure with filtering function, comprising: lip-shaped sealed ring, transmission shaft and case
Body；The lip-shaped sealed ring is set in the periphery of the transmission shaft and installs to the cabinet；It is characterized in that, described had
Filter the wind pitch gear box of the sealing structure of function, further includes: the sealing ring of impurity inside gear-box can be filtered；The sealing
Snare is located at the transmission shaft；The lubricating oil for lubrication oil is equipped between the sealing ring and the lip-shaped sealed ring
Chamber；The sealing ring includes: sealed outer ring and sealing inner ring；The sealed outer ring and the sealing inner ring surround miscellaneous for collecting
The collecting chamber of matter；The sealing inner ring includes: interior ring seat, outer baffle ring and interior connection ring；The interior ring seat is fixed to the transmission
Axis；The interior connection ring connects the interior ring seat and the outer baffle ring；The sealed outer ring include: outer ring seat, outer connection ring and
For being contacted with the interior connection ring to stop sealing lip of the impurity from the collecting chamber into the lubricant reservoir；The outer ring
Seat is fixed to the cabinet；The outer connection ring connects the outer ring seat and the sealing lip；The outer baffle ring and the outer ring
The Oil Guide gap for entering the collecting chamber for lubricating oil and impurity is formed between seat.
2. the wind pitch gear box of the sealing structure according to claim 1 with filtering function, which is characterized in that
The sealing lip and the interior connection ring form angle；The tip of the angle is towards the collecting chamber.
3. the wind pitch gear box of the sealing structure according to claim 1 with filtering function, which is characterized in that
The two sides of the sealing lip are respectively defined as medial surface and lateral surface；The medial surface constitutes the cavity wall of the collecting chamber
A part；The medial surface and the lateral surface are the conical surface.
4. the wind pitch gear box of the sealing structure according to claim 3 with filtering function, which is characterized in that
The taper of the lateral surface is less than the taper of the medial surface.
5. the wind pitch gear box of the sealing structure according to claim 1 with filtering function, which is characterized in that
The sealed outer ring is between the sealing inner ring and the lip packing lip.
6. the wind pitch gear box of the sealing structure according to claim 1 with filtering function, which is characterized in that
The outer baffle ring, the interior connection ring, the outer ring seat, the outer connection ring and the sealing lip surround the collection
Chamber.
7. the wind pitch gear box of the sealing structure according to claim 1 with filtering function, which is characterized in that
The wind pitch gear box of the sealing structure with filtering function further include: for limiting the sealing ring and described
The distance collar of the distance between lip-shaped sealed ring；The distance collar is set in the periphery of the transmission shaft；The distance collar is located at
Between the sealing ring and the lip-shaped sealed ring.
8. the wind pitch gear box of the sealing structure according to claim 7 with filtering function, which is characterized in that
Outer ring seat described in the end thereof contacts of the distance collar.
9. the wind pitch gear box of the sealing structure according to claim 8 with filtering function, which is characterized in that
Lip-shaped sealed ring described in another end in contact of the distance collar.
10. the wind pitch gear box of the sealing structure according to claim 1 with filtering function, which is characterized in that
The wind pitch gear box of the sealing structure with filtering function further include: for limiting the lip-type packing
The circlip for hole of axial position, the circlip for hole are installed to the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620023.7A CN109630661A (en) | 2018-12-28 | 2018-12-28 | The wind pitch gear box of sealing structure with filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620023.7A CN109630661A (en) | 2018-12-28 | 2018-12-28 | The wind pitch gear box of sealing structure with filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109630661A true CN109630661A (en) | 2019-04-16 |
Family
ID=66078555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620023.7A Pending CN109630661A (en) | 2018-12-28 | 2018-12-28 | The wind pitch gear box of sealing structure with filtering function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137476A (en) * | 2021-02-07 | 2021-07-20 | 青岛众力诚达智能科技有限公司 | Sealing structure loaded by reverse lip sealing tape pressing sealing medium |
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|---|---|---|---|---|
| CN101360910A (en) * | 2006-01-16 | 2009-02-04 | Nok株式会社 | High-pressure fuel pump and seal system for high-pressure fuel pump |
| CN201391544Y (en) * | 2009-04-09 | 2010-01-27 | 陆连运 | Insert bearing with different seal structures on both sides |
| CN202520918U (en) * | 2011-12-29 | 2012-11-07 | 惠阳航空螺旋桨有限责任公司 | Seal end cover for transmission shaft of transmission machinery |
| CN202867841U (en) * | 2012-10-25 | 2013-04-10 | 中冶华天工程技术有限公司 | Combined seal mechanism |
| EP2685139A1 (en) * | 2012-07-12 | 2014-01-15 | Siemens Aktiengesellschaft | Labyrinth seal |
| CN203604655U (en) * | 2013-11-26 | 2014-05-21 | 中材装备集团有限公司 | Combined sealing structure of main bearing of roller press |
| CN206617584U (en) * | 2017-03-17 | 2017-11-07 | 湖北晨风轨道装备股份有限公司 | A kind of sealing device of mortar vehicle agitating shaft shaft end |
| CN206889490U (en) * | 2017-06-10 | 2018-01-16 | 杭州哈楠业汽车配件有限公司 | Fasten the seal assembly of bearing |
| CN108087527A (en) * | 2017-12-28 | 2018-05-29 | 南京高速齿轮制造有限公司 | The sealing structure of wind power generating variable pitch gearbox |
| CN209671582U (en) * | 2018-12-28 | 2019-11-22 | 南京高速齿轮制造有限公司 | The wind pitch gear box of sealing structure with filtering function |
-
2018
- 2018-12-28 CN CN201811620023.7A patent/CN109630661A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360910A (en) * | 2006-01-16 | 2009-02-04 | Nok株式会社 | High-pressure fuel pump and seal system for high-pressure fuel pump |
| CN201391544Y (en) * | 2009-04-09 | 2010-01-27 | 陆连运 | Insert bearing with different seal structures on both sides |
| CN202520918U (en) * | 2011-12-29 | 2012-11-07 | 惠阳航空螺旋桨有限责任公司 | Seal end cover for transmission shaft of transmission machinery |
| EP2685139A1 (en) * | 2012-07-12 | 2014-01-15 | Siemens Aktiengesellschaft | Labyrinth seal |
| CN202867841U (en) * | 2012-10-25 | 2013-04-10 | 中冶华天工程技术有限公司 | Combined seal mechanism |
| CN203604655U (en) * | 2013-11-26 | 2014-05-21 | 中材装备集团有限公司 | Combined sealing structure of main bearing of roller press |
| CN206617584U (en) * | 2017-03-17 | 2017-11-07 | 湖北晨风轨道装备股份有限公司 | A kind of sealing device of mortar vehicle agitating shaft shaft end |
| CN206889490U (en) * | 2017-06-10 | 2018-01-16 | 杭州哈楠业汽车配件有限公司 | Fasten the seal assembly of bearing |
| CN108087527A (en) * | 2017-12-28 | 2018-05-29 | 南京高速齿轮制造有限公司 | The sealing structure of wind power generating variable pitch gearbox |
| CN209671582U (en) * | 2018-12-28 | 2019-11-22 | 南京高速齿轮制造有限公司 | The wind pitch gear box of sealing structure with filtering function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137476A (en) * | 2021-02-07 | 2021-07-20 | 青岛众力诚达智能科技有限公司 | Sealing structure loaded by reverse lip sealing tape pressing sealing medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191008 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. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200518 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. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
|
| RJ01 | Rejection of invention patent application after publication |