CN206257277U - A kind of main shaft sealing device for possessing water conservancy diversion and row's fat function - Google Patents
A kind of main shaft sealing device for possessing water conservancy diversion and row's fat function Download PDFInfo
- Publication number
- CN206257277U CN206257277U CN201621141348.3U CN201621141348U CN206257277U CN 206257277 U CN206257277 U CN 206257277U CN 201621141348 U CN201621141348 U CN 201621141348U CN 206257277 U CN206257277 U CN 206257277U
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- China
- Prior art keywords
- oil seal
- main shaft
- row
- fat
- water conservancy
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Abstract
The utility model provides a kind of main shaft sealing device for possessing water conservancy diversion and row's fat function,At least include inner oil seal and outer oil seal,The section of the inner oil seal and outer oil seal is in C fonts,Wherein inner oil seal is by outer shroud A,Inner ring A and connection ring A is constituted,Outer oil seal is by outer shroud B,Inner ring B and connection ring B is constituted,Outer shroud A and outer shroud B fits with equipment end cap,Inner ring A and circular sealing lip raised at least provided with together with the inner headed face of inner ring B,The sealing lip is in contact and seals with main shaft,At least provided with row's fat hole A of insertion on the connection ring A,The height of row's fat hole A is corresponding with the grease recoverable amount in annular seal space,The bottom of the outer oil seal is provided with a row's fat hole B being in communication with the outside,Guiding device is additionally provided with described main shaft,Guiding device is located between inner oil seal and outer oil seal.The apparatus structure is simple, installs, easy to use, the advantages of be provided simultaneously with good airproof performance, water conservancy diversion row's fat.
Description
Technical field
The utility model provides a kind of main shaft sealing device, particularly provide a kind of wind turbine main shaft it is special with leading
The sealing device of stream and row's fat function, belongs to seal technical field.
Background technology
Wind turbine main shaft must have certain recoverable amount due to being chronically under rotation status, therefore in its main shaft seal chamber
Lubricant grease, to ensure to rotate smooth.This requires that main shaft sealing device has to sealing well, does not reveal.Simultaneously as
There is useful life in lubricant grease, it is therefore desirable to periodically carry out the old and new's replacing to the grease in annular seal space, by the discharge of waste and old grease.
This requires that used device must be provided simultaneously with good airproof performance, water conservancy diversion, the function of row's fat.However, at present in wind-powered electricity generation owner
Sealing device used in axle, such as traditional textile rubber oil seals, outside framework oil seal and labyrinth seal, can not well by more than
Advantage is combined.
The content of the invention
The utility model provides a kind of main shaft sealing device for possessing water conservancy diversion and row's fat function, solves above-mentioned background skill
Deficiency in art, the apparatus structure is simple, installs, easy to use, the advantages of be provided simultaneously with good airproof performance, water conservancy diversion row's fat.
Realize technical scheme that the utility model above-mentioned purpose used for：
A kind of main shaft sealing device for possessing water conservancy diversion and row's fat function, the device is installed between main shaft and equipment end cap,
At least include inner oil seal and outer oil seal, described inner oil seal and outer oil seal are enclosed within main shaft and left and right is in contact, wherein interior oil
Envelope is located near the side of annular seal space, and outer oil seal is located near extraneous side, and inner oil seal and outer oil seal pass through pressing plate and equipment
End cap is mutually fixed；The section of the inner oil seal and outer oil seal is in C fonts, and wherein inner oil seal is by outer shroud A, inner ring A and connection ring A
Composition, outer oil seal is made up of outer shroud B, inner ring B and connection ring B, and outer shroud A and outer shroud B fits with equipment end cap, inner ring A with
At least provided with circular sealing lip raised together on the inner headed face of inner ring B, the sealing lip is in contact simultaneously with main shaft
Sealing, at least provided with the oil in a height of row's fat the hole A, row's fat hole A of insertion and annular seal space on the connection ring A
Fat recoverable amount is corresponding, and the bottom of the outer oil seal is provided with a row's fat hole B being in communication with the outside, and row's fat hole B is located at
On the bottom of connection ring B and/or the bottom of outer shroud B；Guiding device is additionally provided with described main shaft, guiding device is located at interior oil
Between envelope and outer oil seal, the guiding device is made up of cranse and flow deflector, and wherein cranse is enclosed within main shaft and is rotated with main shaft
And rotate, flow deflector is arranged radially on the periphery of cranse, and flow deflector is at least provided with two.
Dust excluder lips are additionally provided with the inner headed face of the inner ring A and inner ring B, the dust excluder lips are in contact and close with main shaft
Envelope.
A ring-spring groove is provided with the periphery of the inner ring A and inner ring B, lock ring has been installed in spring groove
The spring of effect.
Described outer oil seal and inner oil seal is split type structure.
The outer oil seal and inner oil seal are quality of rubber materials, and the inside of outer shroud A and outer shroud B is inlaid with metallic framework.
The oil collection box for collecting waste and old grease is provided with below row's fat hole B, oil collection box is mounted on equipment
On end cap.
Compared with prior art, the main shaft sealing device that the utility model is provided has advantages below：In the utility model,
Inner oil seal by sealing lip except holding main shaft tightly to prevent the lubricant grease in annular seal space from leaking it between sealing lip and main shaft
Outward, the row's fat hole A for being set on its connection ring A, can facilitate waste and old grease and unnecessary grease to discharge, and realize that grease updates, really
The effectively lubricating of main shaft is protected, while ensure that the safe recoverable amount of lubricant grease in annular seal space.Waste and old grease and unnecessary oil
Fat is entered to the chamber between outer oil seal and inner oil seal from row fat hole A, and now outer oil seal is due between sealing lip and main shaft
Sealing effectiveness, can prevent the amount of grease from being leaked along main shaft；Simultaneously because the interior setting of chamber between outer oil seal and inner oil seal
There is guiding device, guiding device rotates with main shaft, and flow deflector can stir this amount of grease, enable grease to the work in gravity
Under, smoothly flowed out by row's fat hole B of outer oil seal bottom, and be collected into the oil collection box of lower section, be easy to collect, clear up and
Metering.Additionally, inner oil seal and outer oil seal can also be designed as split type structure, changed or transformation in order to online.Inner ring A and inner ring
The upper set springs of B, can make inner ring A and inner ring B all the time lock ring on main shaft, it is ensured that sealing is good.
Brief description of the drawings
The overall structure diagram of the main shaft sealing device that Fig. 1 is provided for the utility model；
In figure：1- main shafts, 2- equipment end caps, 3- pressing plates, 4- outer shrouds A, 5- inner ring A, 6- connection ring A, 7- outer shroud B, in 8-
Ring B, 9- connection ring B, 10- sealing lip, 11- row's fat hole A, 12- row fat hole B, 13- dust excluder lips, 14- springs, 15- metallic frameworks,
16- oil collection boxes, 17- flow deflectors.
Specific embodiment
Detailed specific description is done to the utility model below in conjunction with the accompanying drawings.
The utility model provide it is a kind of possess water conservancy diversion and row fat function main shaft sealing device structure as shown in figure 1,
The device is installed between main shaft 1 and equipment end cap 2, at least including inner oil seal and outer oil seal, described inner oil seal and outer oil seal
It is enclosed within main shaft 1 and left and right is in contact, wherein inner oil seal is located near the side of annular seal space, and outer oil seal is located near the external world
Side, inner oil seal and outer oil seal are mutually fixed by pressing plate 3 with equipment end cap 2.Inner oil seal and outer oil seal both can be designed as one
Formula structure, can also be designed as split type structure, be changed or transformation in order to online.
The section of the inner oil seal and outer oil seal is in C fonts, and wherein inner oil seal is by outer shroud A4, inner ring A5 and connection ring A6
Composition, outer oil seal is made up of outer shroud B7, inner ring B8 and connection ring B9, and outer shroud A and outer shroud B fits with equipment end cap, inner ring
A5 and circular sealing lip 10 raised at least provided with together with the inner headed face of inner ring B8, the sealing lip 10 and main shaft
1 is in contact and seals, and dust excluder lips 13, the dust excluder lips 13 and main shaft 1 are additionally provided with the inner headed face of the inner ring A and inner ring B
It is in contact and seals.A ring-spring groove is provided with the periphery of the inner ring A and inner ring B, is provided with spring groove
Play the spring 14 of contining function.
At least provided with a height of row's fat the hole A11, row's fat hole A11 of insertion and sealing on the connection ring A
Grease recoverable amount in chamber is corresponding, and the bottom of the outer oil seal is provided with a row's fat hole B12 being in communication with the outside, the row
Fat hole B12 is located on the bottom of the bottom of connection ring B and/or outer shroud B.It is provided with for collecting below row's fat hole B12
The oil collection box 16 of waste and old grease, oil collection box 16 is mounted on equipment end cap 2.
Guiding device is additionally provided with described main shaft 1, guiding device is located between inner oil seal and outer oil seal, the water conservancy diversion
Device is made up of cranse and flow deflector 17, and wherein cranse is enclosed within main shaft 1 and is rotated with main shaft and rotated, and flow deflector 17 is radially
It is arranged on the periphery of cranse, and flow deflector 17 is at least provided with two.
The outer oil seal and inner oil seal are quality of rubber materials, in order to strengthen the intensity of interior outer oil seal, in outer shroud A and outer shroud B
Inside be inlaid with metallic framework 15.
Claims (6)
1. a kind of main shaft sealing device for possessing water conservancy diversion and row's fat function, the device is installed between main shaft and equipment end cap, extremely
Include inner oil seal and outer oil seal less, it is characterised in that：Described inner oil seal and outer oil seal are enclosed within main shaft and left and right is in contact,
Wherein inner oil seal is located near the side of annular seal space, and outer oil seal is located near extraneous side, and inner oil seal and outer oil seal are by pressure
Plate is mutually fixed with equipment end cap；The section of the inner oil seal and outer oil seal is in C fonts, and wherein inner oil seal is by outer shroud A, inner ring A
Constituted with connection ring A, outer oil seal is made up of outer shroud B, inner ring B and connection ring B, and outer shroud A and outer shroud B is affixed with equipment end cap
Conjunction, inner ring A and circular sealing lip raised at least provided with together with the inner headed face of inner ring B, the sealing lip and master
Axle is in contact and seals, at least provided with row's fat hole A of insertion on the connection ring A, the height of row's fat hole A with it is close
Grease recoverable amount in envelope chamber is corresponding, and the bottom of the outer oil seal is provided with a row's fat hole B being in communication with the outside, the row
Fat hole B is located on the bottom of the bottom of connection ring B and/or outer shroud B；Guiding device, water conservancy diversion dress are additionally provided with described main shaft
Setting between inner oil seal and outer oil seal, the guiding device is made up of cranse and flow deflector, and wherein cranse is enclosed within main shaft simultaneously
Rotated with main shaft and rotated, flow deflector is arranged radially on the periphery of cranse, and flow deflector is at least provided with two.
2. it is according to claim 1 possess water conservancy diversion and row fat function main shaft sealing device, it is characterised in that：The inner ring
Dust excluder lips are additionally provided with the inner headed face of A and inner ring B, the dust excluder lips are in contact and seal with main shaft.
3. it is according to claim 1 possess water conservancy diversion and row fat function main shaft sealing device, it is characterised in that：The inner ring
A ring-spring groove is provided with the periphery of A and inner ring B, the spring of contining function has been installed in spring groove.
4. it is according to claim 1 possess water conservancy diversion and row fat function main shaft sealing device, it is characterised in that：Described is outer
Oil sealing and inner oil seal are split type structure.
5. it is according to claim 1 possess water conservancy diversion and row fat function main shaft sealing device, it is characterised in that：The outer oil
Envelope and inner oil seal are quality of rubber materials, and the inside of outer shroud A and outer shroud B is inlaid with metallic framework.
6. it is according to claim 1 possess water conservancy diversion and row fat function main shaft sealing device, it is characterised in that：Row's fat
The oil collection box for collecting waste and old grease is provided with below the B of hole, oil collection box is mounted on equipment end and covers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141348.3U CN206257277U (en) | 2016-10-19 | 2016-10-19 | A kind of main shaft sealing device for possessing water conservancy diversion and row's fat function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141348.3U CN206257277U (en) | 2016-10-19 | 2016-10-19 | A kind of main shaft sealing device for possessing water conservancy diversion and row's fat function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257277U true CN206257277U (en) | 2017-06-16 |
Family
ID=59023649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621141348.3U Active CN206257277U (en) | 2016-10-19 | 2016-10-19 | A kind of main shaft sealing device for possessing water conservancy diversion and row's fat function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI808778B (en) * | 2022-06-02 | 2023-07-11 | 祥景精機股份有限公司 | Shaft seal device |
-
2016
- 2016-10-19 CN CN201621141348.3U patent/CN206257277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI808778B (en) * | 2022-06-02 | 2023-07-11 | 祥景精機股份有限公司 | Shaft seal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171124 Address after: 435300 Qichun County, Hubei Province, Chek Tung Village, Chek Tung town, Qichun County Patentee after: New Polytron Technologies Inc in Hubei Address before: 435300 Dongfang garden, Cao he Town, Qichun County, Huanggang, Hubei Province, 5A-1-1301 Patentee before: Liu Lixia |