CN209671582U - 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
- CN209671582U CN209671582U CN201822230459.7U CN201822230459U CN209671582U CN 209671582 U CN209671582 U CN 209671582U CN 201822230459 U CN201822230459 U CN 201822230459U CN 209671582 U CN209671582 U CN 209671582U
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- China
- Prior art keywords
- ring
- sealing
- lip
- gear box
- filtering function
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Abstract
The utility model 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 utility model is beneficial in that the sealing performance of wind pitch gear box is reliably high, long service life.
Description
Technical field
The utility model relates to a kind of wind pitch gear box more particularly to a kind of sealing structures with filtering function
Wind pitch gear box.
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.
Utility model content
The utility model provides a kind of wind pitch gear box of sealing structure with filtering function, using following
Technical solution:
A kind of wind pitch gear box of the sealing structure with filtering function, comprising: lip-shaped sealed ring, transmission shaft and case
Body；Lip-shaped sealed ring is set in the periphery of transmission shaft and installs to cabinet；The wind electricity change paddle of sealing structure with filtering function
Gear-box, further includes: the sealing ring of impurity inside gear-box can be filtered；Sealing ring is set in transmission shaft；Sealing ring and lip type are close
The lubricant reservoir for lubrication oil is equipped between seal；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
It is fixed to transmission shaft；Interior connection ring connects interior ring seat and outer baffle ring；Sealed outer ring include: outer ring seat, outer connection ring and for
The contact of interior connection ring is to stop impurity to enter from collecting chamber the sealing lip of lubricant reservoir；Outer ring seat is fixed to cabinet；Outer connection ring
Connect outer ring seat and sealing lip；It is formed between outer baffle ring and outer ring seat between the Oil Guide for entering collecting chamber for lubricating oil and impurity
Gap.
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, 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 type
The circlip for hole of the axial position of seal；Circlip for hole is installed to cabinet.
The utility model is beneficial in that the wind pitch gear box of the sealing structure with filtering function of offer,
Sealing ring, which is filtered lubricating oil, makes lip-shaped sealed ring have longer service life, and then makes the close of wind pitch gear box
Sealing property becomes more reliable, and 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 utility model 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.Sealing lip 41c is used for and interior connection ring
42c contact is to stop impurity to enter lubricant reservoir 50 from collecting chamber 43.Outer ring seat 41a is fixed to cabinet 30.Outer connection ring 41b connects
Meet outer ring seat 41a and sealing lip 41c.Oil Guide gap 43a is formed between outer baffle ring 42b and outer ring seat 41a.Oil Guide gap 43a
For entering collecting chamber 43 for lubricating oil and impurity.Circlip for shaft 80 limits the axial position of interior ring seat 42a.
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-shaped sealed ring 10.Circlip for hole 70 is installed to cabinet 30.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
Technical solution obtained, all falls in the protection scope of the utility model.
Claims (9)
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 outer baffle ring, the interior connection ring, the outer ring seat, the outer connection ring and the sealing lip surround the collection
Chamber.
6. 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.
7. the wind pitch gear box of the sealing structure according to claim 6 with filtering function, which is characterized in that
Outer ring seat described in the end thereof contacts of the distance collar.
8. the wind pitch gear box of the sealing structure according to claim 7 with filtering function, which is characterized in that
Lip-shaped sealed ring described in another end in contact of the distance collar.
9. 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-shaped sealed ring
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 |
|---|---|---|---|
| CN201822230459.7U CN209671582U (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 |
|---|---|---|---|
| CN201822230459.7U CN209671582U (en) | 2018-12-28 | 2018-12-28 | The wind pitch gear box of sealing structure with filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671582U true CN209671582U (en) | 2019-11-22 |
Family
ID=68563991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822230459.7U Active CN209671582U (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) | CN209671582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630661A (en) * | 2018-12-28 | 2019-04-16 | 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 CN201822230459.7U patent/CN209671582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630661A (en) * | 2018-12-28 | 2019-04-16 | 南京高速齿轮制造有限公司 | The wind pitch gear box of sealing structure with filtering function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200512 Address after: 211103 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220829 Address after: No.79 Jianheng Road, Jiangning District, Nanjing City, Jiangsu Province 211103 Patentee after: NANJING HIGH-SPEED & ACCURATE GEAR GROUP Co.,Ltd. Address before: 211103 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |