CN206338410U - A kind of flow guiding type main shaft sealing device with back-up ring - Google Patents
A kind of flow guiding type main shaft sealing device with back-up ring Download PDFInfo
- Publication number
- CN206338410U CN206338410U CN201621342937.8U CN201621342937U CN206338410U CN 206338410 U CN206338410 U CN 206338410U CN 201621342937 U CN201621342937 U CN 201621342937U CN 206338410 U CN206338410 U CN 206338410U
- Authority
- CN
- China
- Prior art keywords
- oil seal
- ring
- main shaft
- row
- outer shroud
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 239000004519 grease Substances 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model provides a kind of flow guiding type main shaft sealing device with back-up ring, 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 compositions, outer oil seal is by outer shroud B, inner ring B and connection ring B compositions, 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 inner ring B inner headed face, the sealing lip is in contact and sealed with main shaft, at least provided with row's fat hole A of an 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 the row being in communication with the outside a fat hole B, 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, installation, easy to use, the advantages of being 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 provides a kind of special the having of wind turbine main shaft and leads
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, it is smooth to ensure to rotate.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, waste and old grease is discharged.
This requires that used device must be provided simultaneously with good airproof performance, water conservancy diversion, the function of arranging 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 be well by more than
Advantage is combined.
The content of the invention
The utility model provides a kind of flow guiding type main shaft sealing device with back-up ring, solves in above-mentioned background technology
Deficiency, the apparatus structure is simple, installs, easy to use, the advantages of being 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 flow guiding type main shaft sealing device with back-up ring, the device is installed between main shaft and equipment end cap, at least
Including inner oil seal and outer oil seal, described inner oil seal and outer oil seal are enclosed within main shaft and left and right and are in contact, wherein inner oil seal position
In the side close to annular seal space, outer oil seal is located at close to extraneous side, and inner oil seal and outer oil seal pass through pressing plate and equipment end cap
It is mutually fixed；Be additionally provided with back-up ring close to the side of annular seal space on the inner oil seal, the shield ring sleeve on main shaft, back-up ring it is cylindrical
Week is fixed on equipment end and covered, and the inner periphery of back-up ring is set to lip type, and with main shaft Interference contact；The inner oil seal and outer oil seal
Section be in C fonts, wherein inner oil seal is made up of outer shroud A, inner ring A and connection ring A, and outer oil seal is by outer shroud B, inner ring B and company
Ring B compositions are connect, outer shroud A and outer shroud B fits with equipment end cap, at least provided with one on inner ring A and inner ring B inner headed face
The raised circular sealing lip in road, the sealing lip is in contact and sealed with main shaft, at least provided with one on the connection ring A
Row's fat hole A of individual insertion, 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
Portion is provided with the row being in communication with the outside fat a hole B, row's fat hole B and is located at connection ring B bottom and/or outer shroud B bottom
On；Be additionally provided with guiding device on described main shaft, guiding device is located between inner oil seal and outer oil seal, the guiding device by
Cranse and flow deflector composition, wherein cranse are enclosed within main shaft and rotate and rotate with main shaft, and flow deflector is arranged radially in cranse
Periphery on, 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.
It is provided with the periphery of the inner ring A and inner ring B in a ring-spring groove, spring groove and lock ring has been installed
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 outer shroud A and outer shroud B inside are 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 holding main shaft except preventing the lubricant grease in annular seal space from leaking it along between sealing lip and main shaft
Outside, the row's fat hole A set on its connection ring A, can facilitate waste and old grease and unnecessary grease discharge, 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 discharged into 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, flow deflector can stir this amount of grease, enable grease to the work in gravity
Under, smoothly by being flowed out in 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.In addition, inner oil seal and outer oil seal can also be designed as split type structure, change or transform 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 for the main shaft sealing device that Fig. 1 provides for the utility model；
In figure：In 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, 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, 18- back-up rings.
Embodiment
Detailed specific description is done to the utility model below in conjunction with the accompanying drawings.
A kind of structure for flow guiding type main shaft sealing device with back-up ring that the utility model is provided is as shown in figure 1, the dress
Put and be 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 covers
On main shaft 1 and left and right is in contact, wherein inner oil seal is located at close to the side of annular seal space, and outer oil seal is located at close to extraneous one
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 integral type
Structure, can also be designed as split type structure, changes or transforms in order to online.On the inner oil seal close to the side of annular seal space also
Back-up ring 18 is provided with, the back-up ring 18 is enclosed within main shaft, and the excircle of back-up ring is fixed on equipment end and covered, and the inner periphery of back-up ring is set
Lip type is set to, and with main shaft Interference contact, moisture or pollutant for preventing the external world enter bearing bore.
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 inner ring B8 inner headed face, 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.It is provided with a ring-spring groove, spring groove and is provided with the periphery of the inner ring A and inner ring B
Play the spring 14 of contining function.
At least provided with row's fat hole A11 of an insertion, the height of row's fat hole A11 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 the row being in communication with the outside a fat hole B12, the row
Fat hole B12 is located on connection ring B bottom and/or outer shroud B bottom.It is provided with below row's fat hole B12 for collecting
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 rotates and rotate with main shaft, 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 flow guiding type main shaft sealing device with back-up ring, the device is installed between main shaft and equipment end cap, at least wrapped
Include inner oil seal and outer oil seal, it is characterised in that：Described inner oil seal and outer oil seal are enclosed within main shaft and left and right and are in contact, wherein
Inner oil seal is located at close to the side of annular seal space, and outer oil seal is located at close to extraneous side, inner oil seal and outer oil seal by pressing plate with
Equipment end cap is mutually fixed；Side on the inner oil seal close to annular seal space is additionally provided with back-up ring, and the shield ring sleeve is on main shaft, gear
The excircle of circle is fixed on equipment end and covered, and the inner periphery of back-up ring is set to lip type, and with main shaft Interference contact；The inner oil seal
It is in C fonts with the section of outer oil seal, wherein inner oil seal is made up of outer shroud A, inner ring A and connection ring A, outer oil seal is by outer shroud B, interior
Ring B and connection ring B compositions, outer shroud A and outer shroud B fits with equipment end cap, on inner ring A and inner ring B inner headed face at least
One of raised circular sealing lip is provided with, the sealing lip is in contact and sealed with main shaft, on the connection ring A at least
Row's fat hole A of an insertion is provided with, the height of row's fat hole A is corresponding with the grease recoverable amount in annular seal space, it is described outer
The bottom of oil sealing is provided with the row being in communication with the outside fat a hole B, row's fat hole B and is located at connection ring B bottom and/or outer shroud
On B bottom；Guiding device is additionally provided with described main shaft, guiding device is located between inner oil seal and outer oil seal, described to lead
Stream device is made up of cranse and flow deflector, and wherein cranse is enclosed within main shaft and rotates and rotate with main shaft, and flow deflector is radially set
It is placed on the periphery of cranse, and flow deflector is at least provided with two.
2. the flow guiding type main shaft sealing device according to claim 1 with back-up ring, it is characterised in that：The inner ring A and
Dust excluder lips are additionally provided with inner ring B inner headed face, the dust excluder lips are in contact and sealed with main shaft.
3. the flow guiding type main shaft sealing device according to claim 1 with back-up ring, it is characterised in that：The inner ring A and
The spring that contining function has been provided with a ring-spring groove, spring groove is provided with inner ring B periphery.
4. the flow guiding type main shaft sealing device according to claim 1 with back-up ring, it is characterised in that：Described outer oil seal
Split type structure is with inner oil seal.
5. the flow guiding type main shaft sealing device according to claim 1 with back-up ring, it is characterised in that：The outer oil seal and
Inner oil seal is quality of rubber materials, and outer shroud A and outer shroud B inside are inlaid with metallic framework.
6. the flow guiding type main shaft sealing device according to claim 1 with back-up ring, it is characterised in that：Row's fat hole B
Lower section be provided with oil collection box for collecting waste and old grease, oil collection box is mounted on equipment end and covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342937.8U CN206338410U (en) | 2016-12-08 | 2016-12-08 | A kind of flow guiding type main shaft sealing device with back-up ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342937.8U CN206338410U (en) | 2016-12-08 | 2016-12-08 | A kind of flow guiding type main shaft sealing device with back-up ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338410U true CN206338410U (en) | 2017-07-18 |
Family
ID=59307433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342937.8U Active CN206338410U (en) | 2016-12-08 | 2016-12-08 | A kind of flow guiding type main shaft sealing device with back-up ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644949A (en) * | 2018-06-26 | 2020-01-03 | 中国石油天然气股份有限公司 | Oil pipe cleaning device |
| CN117628186A (en) * | 2024-01-25 | 2024-03-01 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
-
2016
- 2016-12-08 CN CN201621342937.8U patent/CN206338410U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644949A (en) * | 2018-06-26 | 2020-01-03 | 中国石油天然气股份有限公司 | Oil pipe cleaning device |
| CN117628186A (en) * | 2024-01-25 | 2024-03-01 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
| CN117628186B (en) * | 2024-01-25 | 2024-04-19 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206257278U (en) | A kind of row's fat main shaft sealing device certainly | |
| CN206338410U (en) | A kind of flow guiding type main shaft sealing device with back-up ring | |
| CN203214668U (en) | Bearing box sealing device | |
| CN202451792U (en) | High speed class combined seal oil return mechanism in main wind power gear box | |
| CN102705517B (en) | Bearing sealing waterproof structure | |
| CN204201083U (en) | Revolution lip labyrinth gland | |
| CN202732968U (en) | Lip-shaped sealing ring of rotary shaft | |
| CN201016395Y (en) | Rotary movable sealing apparatus | |
| CN206257277U (en) | A kind of main shaft sealing device for possessing water conservancy diversion and row's fat function | |
| CN208331008U (en) | A kind of bearing block dustproof construction | |
| CN205155147U (en) | New -type rotary seal device | |
| CN206257276U (en) | A kind of main shaft sealing device for possessing row's fat function | |
| CN208546446U (en) | A kind of bearing (ball) cover rotary seal structure | |
| CN208217684U (en) | A kind of sealing device in Chain Wheel of Flight Bar Conveyor assembly | |
| CN206820579U (en) | The bearing seal structure of wind-driven generator | |
| CN205155158U (en) | Install autonomic grease discharging formula labyrinth seals device in step shaft | |
| CN201787074U (en) | Sealing ring component for wind power generating unit gear case high-speed bearing | |
| CN205155156U (en) | Labyrinth is grease discharging sealing device independently | |
| CN208431373U (en) | A kind of associated sealing arrangement for bearings | |
| CN108087527A (en) | The sealing structure of wind power generating variable pitch gearbox | |
| CN210890090U (en) | Sealing device for side of bearing block cabin of wind turbine generator | |
| CN206338408U (en) | A kind of revolution lip shape seal device with depot fat capsule | |
| CN102642703B (en) | Sealing device of carrier roller | |
| CN203348543U (en) | Large gear ring sealing device | |
| CN206338409U (en) | A kind of many lip face seals with depot fat capsule |
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: 20171122 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 |