CN107461411A - A kind of labyrinth seal structure for bearing block - Google Patents
A kind of labyrinth seal structure for bearing block Download PDFInfo
- Publication number
- CN107461411A CN107461411A CN201710693666.3A CN201710693666A CN107461411A CN 107461411 A CN107461411 A CN 107461411A CN 201710693666 A CN201710693666 A CN 201710693666A CN 107461411 A CN107461411 A CN 107461411A
- Authority
- CN
- China
- Prior art keywords
- ring
- labyrinth
- bearing block
- stationary ring
- labyrinth seal
- 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
- 239000004519 grease Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000007790 scraping Methods 0.000 claims abstract description 28
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 14
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 abstract description 9
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
- F16C33/6622—Details of supply and/or removal of the grease, e.g. purging grease
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The present invention relates to a kind of labyrinth seal structure for bearing block, bearing block is used for the rotary motion of main shaft, and labyrinth seal structure includes rotating ring, oil scraping plate and labyrinth stationary ring；Rotating ring is fixed on main shaft, oil scraping plate is fixed on the outer circumference surface of rotating ring, the side of rotating ring is provided with sealing lip, the outer surface of sealing lip and oil scraping plate with the outer step ring of bearing block offsets, oil scraping plate is fixed on rotating ring, labyrinth stationary ring is fixed on the outer step ring of bearing block, stationary ring isolation tooth is provided with the stationary ring of labyrinth, the lower end of labyrinth stationary ring is provided with outage.The present invention improves the sealing of the labyrinth seal structure, can prevent the lubricant grease in bearing block from largely leaking, so as to not interfere with the normal operation of bearing block；Isolate tooth by being provided with stationary ring in the stationary ring of labyrinth, further alleviate grease and directly overflowed from stationary ring, grease will not be caused disorderly to be got rid of everywhere with axle, ensure body cleaning；The grease that outage can make to leak on a small quantity is oriented and is discharged into oil collection box, so as to the function of reaching directional collecting, recycle.
Description
Technical field
The present invention relates to mechanical sealing technology, and in particular to a kind of labyrinth seal structure for bearing block.
Background technology
Labyrinth seal is that several belt sealing teeth being arranged in order are set around rotating shaft, is formed between tooth and tooth a series of
Dam gap and expansion cavity, and sealed medium produces throttle effect and energy dissipation to reach when by the gap in tortuous labyrinth
To the purpose of Drain Resistance.Labyrinth seal because it is simple in construction, without characteristics such as friction, easy to maintenance and reliable operations be widely used in revolving
In the spindle bearing holder of the dynamic power machines such as rotary compressor, air blower and steam turbine.
But there is problems with existing labyrinth seal structure mostly：
(1) not strong to the sealing property of the bearing block using grease lubrication, grease largely leaks the axle that can be influenceed on main shaft
The safe handling held；
(2) leakage grease can disorderly be got rid of everywhere with main axis, can not directional collecting, influence the cleaning in cabin and environment
Health.
The content of the invention
The present invention provides a kind of labyrinth seal structure for bearing block, solves the problems, such as techniques discussed above.
The scheme that the present invention solves above-mentioned technical problem is as follows：A kind of labyrinth seal structure for bearing block, the axle
Bearing is used for the rotary motion of main shaft, and the labyrinth seal structure includes rotating ring, oil scraping plate and labyrinth stationary ring；The rotating ring is fixed
The main shaft is installed on, the oil scraping plate is fixedly installed in the outer circumference surface of the rotating ring, and the side of the rotating ring is provided with sealing
Lip, the outer surface of the sealing lip and the oil scraping plate with the outer step ring of the bearing block offset, and the oil scraping plate fixes peace
Loaded on the rotating ring, the labyrinth stationary ring is fixedly installed in the outer step ring, is provided with the labyrinth stationary ring and is used to alleviate grease
The stationary ring isolation tooth of leakage, the bottom of the labyrinth stationary ring is provided with outage.
The beneficial effects of the invention are as follows：The invention provides a kind of labyrinth seal structure for bearing block, 1, by
The outer surface that the side of the rotating ring is provided with sealing lip and the outer step ring of the bearing block offsets, and improves the labyrinth seal structure
Sealing property, can prevent the lubricant grease when main shaft is rotating in bearing block from largely leaking, so as to will not shadow
Ring the normal operation of bearing block；2nd, by having stationary ring to isolate tooth in the indoor design of the labyrinth stationary ring, grease is further alleviated
Leakage is directly overflowed from stationary ring, and grease will not be caused disorderly to be got rid of everywhere with axle, ensures the cleaning in body；3rd, by the labyrinth
The lower end of stationary ring is provided with outage, and the grease that can make to leak on a small quantity is oriented and is discharged into external oil collection box, so as to reach
Directional collecting, the function of recycling.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the sealing lip is shaped as Y types.
It is using the above-mentioned further beneficial effect of scheme：By the way that the shape of the sealing lip is designed as into Y types, Y types are close
Envelope lip has the middle Liang Ge branches for forming cavity, can fit to form double-layer seal with the outer surface of the outer step ring, can
Preferably realize sealing and dust-proof effect.
Further, the labyrinth seal structure also includes hose clamp, and the rotating ring is fixedly installed in described by the hose clamp
Main shaft.
It is using the above-mentioned further beneficial effect of scheme：The hose clamp has locking effect, can ensure the rotating ring
It will not be fallen off when being rotated with main shaft from the main shaft.
Further, the outer of the hose clamp is placed provided with some hose clamp connectors, and the oil scraping plate is located in two hose clamps
Between connector.
Further, the cross section of the stationary ring isolation tooth is rectangle.
It is using the above-mentioned further beneficial effect of scheme：Square is designed as by the cross section that the stationary ring is isolated to tooth
Shape, the contact area with lubricant grease can be increased, further enhance iris action of the stationary ring isolation tooth to lubricant grease.
Further, the material of the oil scraping plate is polytetrafluoroethylene (PTFE).
It is using the above-mentioned further beneficial effect of scheme：Because polytetrafluoroethylene (PTFE) have do not adhere to, nonhazardous, resistance to height
The characteristic such as warm, low temperature resistant, corrosion-resistant, therefore use the material of oil scraping plate the most suitable for polytetrafluoroethylene (PTFE).
Further, the labyrinth seal structure also includes tabletting, and the tabletting is fixedly installed in the appearance of the outer step ring
Face, the inner surface of the tabletting are provided with groove, and the outer circumference portion of the labyrinth stationary ring is located in the groove and the overside
Between the outer surface of ring.
It is using the above-mentioned further beneficial effect of scheme：The labyrinth stationary ring is fixedly installed in by institute by the tabletting
Outer step ring is stated, can guarantee that the connection between labyrinth stationary ring and the outer step ring is more firm.
Further, the labyrinth seal structure also includes seal, and the seal is installed on the labyrinth stationary ring and institute
State between outer step ring.
It is using the above-mentioned further beneficial effect of scheme：Between the labyrinth stationary ring and the outer step ring described in installation
Seal, the sealing between labyrinth stationary ring and outer step ring can be strengthened.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
The embodiment of the present invention is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is that a kind of labyrinth seal structure for bearing block that one embodiment of the invention provides is under use state
Structural representation；
Enlarged drawing at A in a kind of labyrinth seal structure for bearing block that Fig. 2 provides for Fig. 1；
Enlarged drawing at B in a kind of labyrinth seal structure for bearing block that Fig. 3 provides for Fig. 1.
In accompanying drawing, the list of parts representated by each label is as follows：
100th, labyrinth seal structure；10th, rotating ring；11st, sealing lip；20th, hose clamp；21st, hose clamp connector；50th, oil scraping plate；
60th, labyrinth stationary ring；61st, stationary ring isolation tooth；62nd, outage；70th, seal；200th, main shaft；300th, bearing；400th, bearing block；
401st, bearing block pedestal；402nd, outer step ring；403rd, pressing plate；404th, fastening bolt；405th, connecting bolt；406th, inner baffle ring；4061、
Annular groove.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing 1-3, the given examples are served only to explain the present invention,
It is not intended to limit the scope of the present invention.More specifically description is of the invention by way of example referring to the drawings in the following passage.Root
According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that accompanying drawing is using very simple
The form of change and non-accurately ratio is used, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
As Figure 1-3, the inner ring of the bearing 300, which is arranged, is installed on the main shaft 200,400 sets of the bearing block
If it is installed on the outer shroud of the bearing 300.The bearing block 400 includes the bearing block pedestal 401, two outer step rings 402, two are pressed
Plate 403, some fastening bolts 404, the inner baffle ring 406 of some connecting bolts 405 and two.Specifically, the main shaft 200 can be should
Main shaft for dynamic power machines such as rotary compressor, air blower and steam turbines.
The both ends of the inner ring of bearing 300 are equipped with an inner baffle ring 406, and the bearing block pedestal 401, which is arranged, is installed on institute
The outer shroud of bearing 300 is stated, a labyrinth seal structure 100 is mounted on two inner baffle rings 406.Two outer step rings
402 are fixedly installed in by the fastening bolt 404 in the both ends of the surface of the bearing block pedestal 401.Each inner baffle ring 406
Outer circumference surface is provided with annular groove 4061.
The invention provides a kind of labyrinth seal structure 100 for bearing block, the bearing block 400 is used for main shaft 200
Rotary motion, the labyrinth seal structure 100 includes rotating ring 10, oil scraping plate 50 and labyrinth stationary ring 60；The rotating ring 10 is fixed
The main shaft 200 is installed on, the oil scraping plate 50 is fixedly installed in the outer circumference surface of the rotating ring 10, the side of the rotating ring 10
Provided with sealing lip 11, the outer surface phase of the sealing lip 11 and the oil scraping plate 50 with the outer step ring 402 of the bearing block 400
Support, the oil scraping plate 50 is fixedly installed in the rotating ring 10, and the labyrinth stationary ring 60 is fixedly installed in the outer step ring 402, institute
State to be provided with labyrinth stationary ring 60 and be used for the stationary ring isolation tooth 61 for alleviating grease leakage, the bottom of the labyrinth stationary ring 60 is provided with oil extraction
Hole 62.
A kind of labyrinth seal structure for bearing block that above-described embodiment provides has an advantages below, and 1, by described
The outer surface that the side of rotating ring 10 is provided with sealing lip 11 and the outer step ring 402 of the bearing block 400 offsets, and it is close to improve the labyrinth
The sealing property of seal structure 100, it can prevent that the lubricant grease when main shaft 200 is rotating in bearing block 400 is a large amount of
Leakage, so as to not interfere with the normal operation of bearing block 400；2nd, by the indoor design of the labyrinth stationary ring 60 have stationary ring every
From tooth 61, further alleviate grease leakage and directly overflowed from stationary ring, grease will not be caused disorderly to be got rid of everywhere with axle, ensured in body
Cleaning；3rd, by being provided with outage 62 in the lower end of the labyrinth stationary ring 60, the grease that can make to leak on a small quantity is oriented and is discharged into
In external oil collection box, so as to the function of having reached directional collecting, recycled.
It is understood that as shown in figure 1, the rotating ring 10 also can be by being installed on the annular recessed of the inner baffle ring 406
Groove is fixedly installed in the main shaft 200.The labyrinth stationary ring 60 may be designed as polylith, pass through some connection spiral shells between each piece
Bolt 405 is fixedly connected.The oil scraping plate 50 is used for the remaining grease for wiping the outer surface for being stranded in the outer step ring 402 off, and will
These remaining greases are transported in outage 62.The outer baffle ring 402 is the end cap of the bearing block 400.
Preferably, as shown in Fig. 2 the sealing lip 11 is shaped as Y types.By the way that the shape of the sealing lip 11 is designed
For Y types, the tangible Liang Ge branches into double-layer seal of Y type sealing lips, after being fitted with the outer surface of the outer step ring 402 in
Between form cavity, can preferably realize sealing and dust-proof effect.
Preferably, as shown in Fig. 2 the labyrinth seal structure 100 also includes hose clamp 20, the rotating ring 10 passes through the larynx
Hoop 20 is fixedly installed in the main shaft 200.The hose clamp 20 is acted on locking, and the rotating ring 10 can be ensured with main shaft 200
It will not be fallen off during rotation from the main shaft 200.
Preferably, as shown in Fig. 2 the outer of the hose clamp 20 is placed provided with some hose clamp connectors 21, the oil scraping plate 50
It is located between the two hose clamp connectors 21.It is understood that the hose clamp 20 may be designed as polylith, pass through between each piece
Some hose clamp connectors 21 are fixedly connected, and the two hose clamp connectors 21 are fixed by connecting bolt 405, therefore two
It is convenient between the hose clamp connector 21 that the oil scraping plate 50 is installed.
Preferably, as shown in Fig. 2 the cross section of stationary ring isolation tooth 61 is rectangle.By the way that the stationary ring is isolated into tooth
61 cross section is designed as rectangle, can increase the contact area with lubricant grease, further enhances the stationary ring isolation tooth 61
To the iris action of lubricant grease.
Preferably, the material of the oil scraping plate 50 is polytetrafluoroethylene (PTFE).Do not adhere to because polytetrafluoroethylene (PTFE) has, be nontoxic
The characteristic such as evil, high temperature resistant, low temperature resistant, corrosion-resistant, therefore use the material of oil scraping plate 50 the most suitable for polytetrafluoroethylene (PTFE).
Preferably, as shown in Fig. 2 the labyrinth seal structure 100 also includes tabletting 403, the tabletting 403 is fixedly mounted
In the outer surface of the outer step ring 402, the inner surface of the tabletting (403) is provided with groove, the labyrinth stationary ring 60 it is cylindrical
All portions are located between the outer surface of the groove and the outer step ring 402.
The labyrinth stationary ring 60 is fixedly installed in by the outer step ring 402 by the tabletting 403, can guarantee that labyrinth stationary ring
Connection between 60 and the outer step ring 402 is more firm.
Preferably, as shown in Fig. 2 the labyrinth seal structure 100 also includes seal 70, the seal 70 is installed on
Between the labyrinth stationary ring 60 and the outer step ring 402.Between the labyrinth stationary ring 60 and the outer step ring 402 described in installation
Seal 70, the sealing between labyrinth stationary ring 60 and outer step ring 402 can be strengthened.
The present invention concrete operating principle and application method be：When main shaft 200 is being rotated, rotating ring 10 can be with
Rotated with the rotation of main shaft 200, a small amount of lubricant grease in bearing 300 can be leaked in labyrinth seal structure 100, the Y
Leakage of the type sealing lip to lubricant grease has carried out the barrier of first layer；The lubrication entered between rotating ring 10 and labyrinth stationary ring 60
Grease, due to the presence of stationary ring isolation tooth 61, further alleviate grease leakage and directly overflowed from stationary ring, grease will not be caused with axle
Disorderly get rid of everywhere, ensure the cleaning in body；The oil scraping plate 50 is for wiping the residual of the outer surface for being stranded in the outer step ring 402 off
Excess oil fat, and these remaining greases are transported in outage 62, the grease orientation that can make to leak on a small quantity is discharged into external
Oil collection box in, so as to reached directional collecting, recycle function.
The foregoing is only a preferred embodiment of the present invention, not makees any formal limitation to the present invention；It is all
The those of ordinary skill of the industry can be shown in by specification accompanying drawing and described above and swimmingly implement the present invention；It is but all
Those skilled in the art without departing from the scope of the present invention, are done using disclosed above technology contents
The equivalent variations of a little variation, modification and evolution gone out, it is the equivalent embodiment of the present invention；It is meanwhile all according to the present invention's
Variation, modification and evolution of any equivalent variations that substantial technological is made to above example etc., still fall within the skill of the present invention
Within the protection domain of art scheme.
Claims (8)
1. a kind of labyrinth seal structure for bearing block, the bearing block (400) is used for the rotary motion of main shaft (200), its
It is characterised by, the labyrinth seal structure (100) includes rotating ring (10), oil scraping plate (50) and labyrinth stationary ring (60)；
The rotating ring (10) is fixedly installed in the main shaft (200), and the oil scraping plate (50) is fixedly installed in the rotating ring (10)
Outer circumference surface, the side of the rotating ring (10) is provided with sealing lip (11), and the sealing lip (11) and the oil scraping plate (50) are equal
Offseted with the outer surface of the outer step ring (402) of the bearing block (400), the oil scraping plate (50) is fixedly installed in the rotating ring
(10), the labyrinth stationary ring (60) is fixedly installed in the outer step ring (402), is provided with the labyrinth stationary ring (60) and is used to alleviate
The stationary ring isolation tooth (61) of grease leakage, the bottom of the labyrinth stationary ring (60) is provided with outage (62).
A kind of 2. labyrinth seal structure for bearing block according to claim 1, it is characterised in that the sealing lip (11)
Be shaped as Y types.
A kind of 3. labyrinth seal structure for bearing block according to claim 1, it is characterised in that the labyrinth seal knot
Structure (100) also includes hose clamp (20), and the rotating ring (10) is fixedly installed in the main shaft (200) by the hose clamp (20).
4. a kind of labyrinth seal structure for bearing block according to claim 3, it is characterised in that the hose clamp (20)
Place outside provided with some hose clamp connectors (21), the oil scraping plate (50) is located between the two hose clamp connectors (21).
5. a kind of labyrinth seal structure for bearing block according to claim 1, it is characterised in that the stationary ring isolates tooth
(61) cross section is rectangle.
A kind of 6. labyrinth seal structure for bearing block according to claim 1, it is characterised in that the oil scraping plate (50)
Material be polytetrafluoroethylene (PTFE).
A kind of 7. labyrinth seal structure for bearing block according to claim 1, it is characterised in that the labyrinth seal knot
Structure (100) also includes tabletting (403), and the tabletting (403) is fixedly installed in the outer surface of the outer step ring (402), the pressure
The inner surface of piece (403) is provided with groove, and the outer circumference portion of the labyrinth stationary ring (60) is located in the groove and the overside
Between the outer surface of ring (402).
8. according to a kind of any labyrinth seal structures for bearing block of claim 1-7, it is characterised in that the labyrinth
Sealing structure (100) also includes seal (70), and the seal (70) is installed on the labyrinth stationary ring (60) and the overside
Between ring (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693666.3A CN107461411B (en) | 2017-08-14 | 2017-08-14 | Labyrinth sealing structure for bearing pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693666.3A CN107461411B (en) | 2017-08-14 | 2017-08-14 | Labyrinth sealing structure for bearing pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461411A true CN107461411A (en) | 2017-12-12 |
| CN107461411B CN107461411B (en) | 2024-01-12 |
Family
ID=60549715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710693666.3A Active CN107461411B (en) | 2017-08-14 | 2017-08-14 | Labyrinth sealing structure for bearing pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461411B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005308013A (en) * | 2004-04-19 | 2005-11-04 | Ntn Corp | Sealing structure for rolling bearing |
| JP2006214571A (en) * | 2005-02-07 | 2006-08-17 | Ntn Corp | Bearing with sealing device |
| CN205715667U (en) * | 2016-04-14 | 2016-11-23 | 邓伦胜 | Autonomous row's fat sealing device based on radial seal lip |
| CN206175665U (en) * | 2016-06-30 | 2017-05-17 | 刘丽霞 | Autonomic frizing grease discharging device based on radial seal lip |
| CN206338412U (en) * | 2016-06-30 | 2017-07-18 | 刘丽霞 | Autonomous frizing row's fat device based on radial seal lip |
| CN207333460U (en) * | 2017-08-14 | 2018-05-08 | 童春国 | A kind of labyrinth seal structure for bearing block |
-
2017
- 2017-08-14 CN CN201710693666.3A patent/CN107461411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005308013A (en) * | 2004-04-19 | 2005-11-04 | Ntn Corp | Sealing structure for rolling bearing |
| JP2006214571A (en) * | 2005-02-07 | 2006-08-17 | Ntn Corp | Bearing with sealing device |
| CN205715667U (en) * | 2016-04-14 | 2016-11-23 | 邓伦胜 | Autonomous row's fat sealing device based on radial seal lip |
| CN206175665U (en) * | 2016-06-30 | 2017-05-17 | 刘丽霞 | Autonomic frizing grease discharging device based on radial seal lip |
| CN206338412U (en) * | 2016-06-30 | 2017-07-18 | 刘丽霞 | Autonomous frizing row's fat device based on radial seal lip |
| CN207333460U (en) * | 2017-08-14 | 2018-05-08 | 童春国 | A kind of labyrinth seal structure for bearing block |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107461411B (en) | 2024-01-12 |
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