CN110274022A - A kind of front main bearing combination sealing arrangement of horizontal type scraper centrifuger - Google Patents
A kind of front main bearing combination sealing arrangement of horizontal type scraper centrifuger Download PDFInfo
- Publication number
- CN110274022A CN110274022A CN201910605402.7A CN201910605402A CN110274022A CN 110274022 A CN110274022 A CN 110274022A CN 201910605402 A CN201910605402 A CN 201910605402A CN 110274022 A CN110274022 A CN 110274022A
- Authority
- CN
- China
- Prior art keywords
- ring
- bearing
- stuffing
- sealing ring
- main shaft
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 73
- 210000004907 gland Anatomy 0.000 claims abstract description 29
- 238000012856 packing Methods 0.000 claims abstract description 21
- 125000006850 spacer group Chemical group 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000005474 detonation Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000004200 deflagration Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect 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
- 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
-
- 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
- F16J15/324—Arrangements for lubrication or cooling of the sealing itself
-
- 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
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
Abstract
The invention discloses a kind of front main bearing combination sealing arrangements of horizontal type scraper centrifuger for effectivelying prevent centrifuge detonation, including main shaft, main shaft one end is equipped with collar, collar side is equipped with rotary drum on main shaft, the collar other side is equipped with moving sealing ring on main shaft, axle sleeve is arranged on moving sealing ring, stationary seal ring is movably equipped on the moving sealing ring, stationary seal ring side is fixed with seal receptacle, a pair of of lip-type packing is movably equipped on axle sleeve, middle spacer ring is equipped between lip-type packing, the air intake duct and exhaust duct penetrated through with sealing cavity is equipped in the seal receptacle, lip-type packing upper seal support side is equipped with bearing gland, stuffing aerating road and stuffing exhaust duct are equipped in bearing gland, the middle spacer ring is equipped with stuffing channel, stuffing channel connects with the stuffing aerating road in bearing gland with stuffing exhaust duct, it is close on the main shaft It seals rotating ring side and is equipped with oil scraper ring, oil scraper ring side is equipped with bearing on the main shaft, and bearing upper bearing (metal) gland side is equipped with bearing chamber.
Description
Technical field
The present invention relates to a kind of centrifuge technique more particularly to a kind of front main bearing combination sealings of horizontal type scraper centrifuger
Device.
Background technique
In existing centrifuge transmission system, since the unreasonable and safeguard measure of device structure itself is not in place, thus
There is causing material and moisture to penetrate into sealing cavity due to leakproofness difference, so as to cause the generation of deflagration phenomenon, serious shadow
The service life for having rung centrifuge instrument increases equipment later period maintenance dismounting difficulty, increases production cost.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of horizontal type scraper centrifuger for effectivelying prevent centrifuge detonation
Front main bearing combination sealing arrangement.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows: a kind of preceding master of horizontal type scraper centrifuger
Bearing combination sealing arrangement, including main shaft, main shaft one end are equipped with collar, and collar side is equipped with rotary drum, collar on main shaft on main shaft
The other side is equipped with moving sealing ring, and sealing ring is equipped between moving sealing ring and rotary drum, and axle sleeve, axle sleeve and sealing are arranged on moving sealing ring
It is equipped with sealing ring between rotating ring, stationary seal ring is movably equipped on the moving sealing ring, stationary seal ring and moving sealing ring composition labyrinth are close
Envelope, stationary seal ring side is fixed with seal receptacle, a pair of of lip-type packing is movably equipped on the axle sleeve, is set between lip-type packing
There is middle spacer ring, closed cavity, stationary seal ring, seal receptacle, moving sealing ring and lip shape are equipped between lip-type packing and middle spacer ring
Sealing cavity is formed between sealing ring, is equipped with the air intake duct and exhaust duct penetrated through with sealing cavity, the lip shape in the seal receptacle
Sealing ring upper seal support side is equipped with bearing gland, and sealing ring is equipped between bearing gland and seal receptacle, is set in the bearing gland
There are stuffing aerating road and stuffing exhaust duct, air intake duct penetrates through and in stuffing exhaust duct and seal receptacle in stuffing aerating road and seal receptacle
Exhaust duct perforation, the middle spacer ring are equipped with stuffing channel, stuffing aerating road and stuffing in stuffing channel and bearing gland
Exhaust duct connects, and moving sealing ring side is equipped with oil scraper ring on the main shaft, and sealing ring, the master are equipped between oil scraper ring and main shaft
Oil scraper ring side is equipped with bearing on axis, and bearing upper bearing (metal) gland side is equipped with bearing chamber, is equipped between bearing chamber and bearing gland close
Seal.
As a preferred embodiment, fixed on the bearing chamber to be equipped with a pair of of pipeline, pipeline one end is embedded in bearing gland
It is interior, sealing ring is equipped between pipeline and bearing gland, and pipeline connects with stuffing aerating road and stuffing exhaust duct respectively.
The beneficial effects of the present invention are: since the present apparatus is equipped with labyrinth seal and nitrogen protection, so that multiple protective is formed,
Liquid, gas and solid is effectively prevented in bearing chamber in lubricating oil and casing to enter closed between lip-type packing and middle spacer ring
In the sealing cavity formed between cavity and stationary seal ring, seal receptacle, moving sealing ring and lip-type packing, it is closed anti-to solve centrifuge
Quick-fried problem.
It is equipped with a pair of of pipeline due to fixed on the bearing chamber, pipeline one end is embedded in bearing gland, pipeline and bearing
It is equipped with sealing ring between gland, has ensured air-tightness while being convenient for stuffing aerating.
Detailed description of the invention
Fig. 1 is schematic cross-sectional view of the invention.
In Fig. 1: 1. main shafts, 2. rotary drums, 3. moving sealing rings, 4. sealing rings, 5. axle sleeves, 6. stationary seal rings, 7. seal receptacles, 8.
Lip-type packing, spacer ring in 9., 10. bearing glands, 11. oil scraper rings, 12. bearings, 13. bearing chambers, 14..
Specific embodiment
With reference to the accompanying drawing, detailed description of the present invention specific embodiment.
As shown in Figure 1, a kind of front main bearing combination sealing arrangement of horizontal type scraper centrifuger, including main shaft 1, main shaft 1 one
End is equipped with collar, and collar side is equipped with rotary drum 2 on main shaft 1, and the collar other side is equipped with moving sealing ring 3, moving sealing ring 3 on main shaft 1
It is equipped with sealing ring 4 between rotary drum 2, is arranged with axle sleeve 5 on moving sealing ring 3, sealing ring 4, institute are equipped between axle sleeve 5 and moving sealing ring 3
It states and is movably equipped with stationary seal ring 6 on moving sealing ring 3, stationary seal ring 6 and moving sealing ring 3 form labyrinth seal, 6 side of stationary seal ring
It is fixed with seal receptacle 7, a pair of of lip-type packing 8 is movably equipped on the axle sleeve 5, middle spacer ring is equipped between lip-type packing 8
9, closed cavity, stationary seal ring 6, seal receptacle 7, moving sealing ring 3 and lip packing are equipped between lip-type packing 8 and middle spacer ring 9
Sealing cavity is formed between circle 8.
It is equipped with the air intake duct and exhaust duct penetrated through with sealing cavity in the seal receptacle 7, is sealed in the lip-type packing 8
7 sides of seat are equipped with bearing gland 10, and sealing ring 4 is equipped between bearing gland 10 and seal receptacle 7, be equipped in the bearing gland 10 plus
Air intake duct perforation and the interior row of stuffing exhaust duct and seal receptacle 7 in rouge aerating road and stuffing exhaust duct, stuffing aerating road and seal receptacle 7
Air flue perforation, the middle spacer ring 9 are equipped with stuffing channel, stuffing aerating road and stuffing in stuffing channel and bearing gland 10
Exhaust duct connects, and 3 side of moving sealing ring is equipped with oil scraper ring 11 on the main shaft 1, and sealing ring is equipped between oil scraper ring 11 and main shaft 1
4,11 side of oil scraper ring is equipped with bearing 12 on the main shaft 1, and 12 upper bearing (metal) gland of bearing, 10 side is equipped with bearing chamber 13, bearing chamber
It is equipped with sealing ring 4 between 13 and bearing gland 10, is fixed on bearing chamber 13 and is equipped with a pair of of pipeline 14,14 one end of pipeline is embedded in bearing
In gland 10, between pipeline 14 and bearing gland 10 be equipped with sealing ring 4, and pipeline 14 respectively with stuffing aerating road and stuffing exhaust duct
It connects.
When work: lubricating grease is added between lip sealing ring 8 by stuffing aerating channel and stuffing exhaust passage first, from
And lip sealing ring 8 is lubricated, by Entering fat inlet channel from machine exterior between lip-type packing 8 and middle spacer ring 9 after lubrication
Closed cavity and stationary seal ring 6, seal receptacle 7, moving sealing ring 3 and lip-type packing 8 between formed sealing cavity in injection it is pure
Nitrogen will be sealed outside nitrogen discharge machine by Entering fat exhaust passage, to form nitrogen protection, effectively obstruct lubrication in bearing chamber
Oil enters in sealing cavity with liquid, gas and solid in casing, to prevent deflagration phenomenon.
The principles and effects of the invention, and the implementation that part uses only is illustrated in the above embodiments
Example, and is not intended to limit the present invention；It should be pointed out that for those of ordinary skill in the art, not departing from wound of the present invention
Under the premise of making design, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Claims (2)
1. a kind of front main bearing combination sealing arrangement of horizontal type scraper centrifuger, including main shaft, it is characterised in that: main shaft one end is set
There is collar, collar side is equipped with rotary drum on main shaft, and the collar other side is equipped with moving sealing ring on main shaft, sets between moving sealing ring and rotary drum
There is sealing ring, axle sleeve is arranged on moving sealing ring, sealing ring is equipped between axle sleeve and moving sealing ring, activity is set on the moving sealing ring
There is stationary seal ring, stationary seal ring and moving sealing ring form labyrinth seal, and stationary seal ring side is fixed with seal receptacle, the axle sleeve
On be movably equipped with a pair of of lip-type packing, between lip-type packing be equipped with middle spacer ring, be equipped between lip-type packing and middle spacer ring
Closed cavity forms sealing cavity, is equipped in the seal receptacle between stationary seal ring, seal receptacle, moving sealing ring and lip-type packing
With the air intake duct and exhaust duct of sealing cavity perforation, lip-type packing upper seal support side is equipped with bearing gland, bearing pressure
Lid seal receptacle between be equipped with sealing ring, be equipped with stuffing aerating road and stuffing exhaust duct in the bearing gland, stuffing aerating road with
Air intake duct penetrates through in seal receptacle and exhaust duct penetrates through in stuffing exhaust duct and seal receptacle, and the middle spacer ring is logical equipped with stuffing
Road, stuffing channel connect with the stuffing aerating road in bearing gland with stuffing exhaust duct, moving sealing ring side on the main shaft
Equipped with oil scraper ring, sealing ring is equipped between oil scraper ring and main shaft, oil scraper ring side is equipped with bearing, bearing upper bearing (metal) pressure on the main shaft
Lid side is equipped with bearing chamber, and sealing ring is equipped between bearing chamber and bearing gland.
2. a kind of front main bearing combination sealing arrangement of horizontal type scraper centrifuger as described in claim 1, it is characterised in that: institute
It states to fix on bearing chamber and is equipped with a pair of of pipeline, pipeline one end is embedded in bearing gland, and sealing is equipped between pipeline and bearing gland
Circle, and pipeline connects with stuffing aerating road and stuffing exhaust duct respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605402.7A CN110274022B (en) | 2019-07-05 | 2019-07-05 | Front main bearing combined sealing device of horizontal scraper centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910605402.7A CN110274022B (en) | 2019-07-05 | 2019-07-05 | Front main bearing combined sealing device of horizontal scraper centrifuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110274022A true CN110274022A (en) | 2019-09-24 |
| CN110274022B CN110274022B (en) | 2024-04-02 |
Family
ID=67962934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910605402.7A Active CN110274022B (en) | 2019-07-05 | 2019-07-05 | Front main bearing combined sealing device of horizontal scraper centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110274022B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762222A (en) * | 2019-11-12 | 2020-02-07 | 江苏赛德力制药机械制造有限公司 | Spindle sealing device of horizontal centrifuge |
| CN112343924A (en) * | 2020-10-29 | 2021-02-09 | 广州市昊志机电股份有限公司 | Main shaft contact type sealing structure, main shaft and machine tool |
| CN112503177A (en) * | 2020-11-04 | 2021-03-16 | 江苏赛德力制药机械制造有限公司 | Spindle sealing device of horizontal centrifuge |
| CN115750603A (en) * | 2022-10-27 | 2023-03-07 | 中国船舶重工集团海装风电股份有限公司 | A hybrid sealing device and wind turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1150994A (en) * | 1997-07-31 | 1999-02-23 | Tochigi Fuji Ind Co Ltd | Centrifugal fluid machinery |
| US20020141862A1 (en) * | 2001-03-30 | 2002-10-03 | Mcewen James | Oil control device |
| CN202045018U (en) * | 2011-04-06 | 2011-11-23 | 上海市离心机械研究所有限公司 | Sealing structure for centrifuge for separating silicon carbide |
| CN202392110U (en) * | 2011-11-30 | 2012-08-22 | 重庆江北机械有限责任公司 | Shaft sealing device of horizontal scraper centrifuge |
| CN106151740A (en) * | 2016-08-22 | 2016-11-23 | 广西盛誉糖机制造有限责任公司 | A kind of inducing QI piecing devices for automatic centrifugal machine |
| CN206246683U (en) * | 2016-11-21 | 2017-06-13 | 重庆江北机械有限责任公司 | Sealing device before a kind of horizontal type scraper centrifuger main shaft |
-
2019
- 2019-07-05 CN CN201910605402.7A patent/CN110274022B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1150994A (en) * | 1997-07-31 | 1999-02-23 | Tochigi Fuji Ind Co Ltd | Centrifugal fluid machinery |
| US20020141862A1 (en) * | 2001-03-30 | 2002-10-03 | Mcewen James | Oil control device |
| CN202045018U (en) * | 2011-04-06 | 2011-11-23 | 上海市离心机械研究所有限公司 | Sealing structure for centrifuge for separating silicon carbide |
| CN202392110U (en) * | 2011-11-30 | 2012-08-22 | 重庆江北机械有限责任公司 | Shaft sealing device of horizontal scraper centrifuge |
| CN106151740A (en) * | 2016-08-22 | 2016-11-23 | 广西盛誉糖机制造有限责任公司 | A kind of inducing QI piecing devices for automatic centrifugal machine |
| CN206246683U (en) * | 2016-11-21 | 2017-06-13 | 重庆江北机械有限责任公司 | Sealing device before a kind of horizontal type scraper centrifuger main shaft |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762222A (en) * | 2019-11-12 | 2020-02-07 | 江苏赛德力制药机械制造有限公司 | Spindle sealing device of horizontal centrifuge |
| CN112343924A (en) * | 2020-10-29 | 2021-02-09 | 广州市昊志机电股份有限公司 | Main shaft contact type sealing structure, main shaft and machine tool |
| CN112503177A (en) * | 2020-11-04 | 2021-03-16 | 江苏赛德力制药机械制造有限公司 | Spindle sealing device of horizontal centrifuge |
| CN112503177B (en) * | 2020-11-04 | 2024-05-28 | 江苏赛德力制药机械制造有限公司 | Main shaft sealing device of horizontal centrifuge |
| CN115750603A (en) * | 2022-10-27 | 2023-03-07 | 中国船舶重工集团海装风电股份有限公司 | A hybrid sealing device and wind turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110274022B (en) | 2024-04-02 |
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