CN205559799U - A labyrinth seals isolating device for in vertical axis - Google Patents
A labyrinth seals isolating device for in vertical axis Download PDFInfo
- Publication number
- CN205559799U CN205559799U CN201620153018.XU CN201620153018U CN205559799U CN 205559799 U CN205559799 U CN 205559799U CN 201620153018 U CN201620153018 U CN 201620153018U CN 205559799 U CN205559799 U CN 205559799U
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- CN
- China
- Prior art keywords
- ring
- vertical pivot
- main
- sealing
- rotating
- Prior art date
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- 239000007787 solid Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 38
- 230000029142 excretion Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 2
- 239000004519 grease Substances 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 235000014593 oils and fats Nutrition 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005276 aerator Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a labyrinth seals isolating device for in vertical axis includes rotating ring and quiet ring at least, and the rotating ring is fixed in on the vertical axis and is rotatory along with the vertical axis, on quiet ring is fixed in end cover of equipment, static ring sleeve on the rotating ring and both relative rotations, the rotating ring includes main ring A, go -between and two isolating rings, is provided with the bellied dentate sealed ring gear A of comb that is on main ring A and the isolating ring, quiet ring include main ring B, solid fixed ring and two inner rings, be provided with the bellied dentate sealed ring gear B of comb that is on two inner rings, sealed ring gear A and sealed ring gear B be crisscross the distribution each other, common forms tortuous oil storage tank between the two, be provided with on the main ring B sealed chamber and the external escape orifice that is linked together. The utility model provides a not enough among the prior art, this labyrinth seals isolating device leakproofness is good, life is high, can avoid the grease to reveal, can be applicable to in the vertical axis simultaneously.
Description
Technical field
This utility model provides a kind of sealing device, particularly relates to a kind of labyrinth seal being exclusively used in vertical pivot isolation dress
Put, belong to technical field of sealing technology.
Background technology
Labyrinth seal is to set several belt sealing teeth being arranged in order around rotary shaft, is formed a series of between tooth and tooth
Dam gap and expand cavity, sealed medium when by the gap in tortuous labyrinth generation throttle effect and reach Drain Resistance
The device of purpose.Owing to there is gap between the rotor of labyrinth seal and casing, without solid contact, and allow thermal expansion,
Therefore adapt to high temperature, high pressure, the occasion of high speed-frequency, this seal form be widely used in steam turbine, gas turbine,
Compressor, the axle head of aerator and the sealing of each inter-stage.
Using at some requires in stricter occasion, lubricating oil in sealing device annular seal space to be reached
Zero leakage, but also to reach to prevent the pollutant in the external world from entering the purpose within annular seal space, additionally, for sealing member
Service life also have higher requirement, therefore it provides a kind of sealing property is the most excellent, and long perfomance life
Sealing device, become this area problem demanding prompt solution.
Additionally, current most of sealing device is both for horizontal rotating shaft and R & D design, these sealing devices are uncomfortable
In vertical rotary shaft, it is primarily due to seal grease affected by gravity, the flowing side under two kinds of operating modes
Formula is different.Therefore, this area is needed badly offer one not only good airproof performance, high life, and can be suitable for
Labyrinth seal isolating device in vertical pivot.
Summary of the invention
This utility model provides a kind of labyrinth seal isolating device in vertical pivot, solves in background technology not
Foot, this labyrinth seal isolating device good airproof performance, high life, it is possible to avoid oils and fats to reveal, can be applicable to simultaneously
In vertical pivot.
Realizing the technical scheme that this utility model above-mentioned purpose used is:
A kind of labyrinth seal isolating device in vertical pivot, at least includes rotating ring and stationary ring, and rotating ring is fixed on vertical pivot
And rotate with vertical pivot, stationary ring is fixed on equipment end lid, and described stationary ring is enclosed within rotating ring and both rotate against,
Described rotating ring includes main ring A, connects ring and two shading rings, and two shading rings are respectively interior shading ring and outer shading ring,
Four is integral type structure, and the cross section of rotating ring is in " door " font, and main ring A and two shading rings are positioned at the lower section connecting ring,
Wherein main ring A is enclosed within vertical pivot and fixes with vertical pivot, on the periphery of main ring A and the inside and outside disc of interior shading ring
It is provided with the sealing ring gear A in comb teeth-shaped of projection；Described stationary ring includes main ring B, retainer ring and two internal ring,
Two internal ring are respectively the first internal ring and the second internal ring, and four is integral type structure, and retainer ring and two internal ring are positioned at master
The top of ring B, wherein retainer ring is connected to a fixed with equipment end cap, the first internal ring be positioned at main ring A and shading ring it
Between, the second internal ring between interior shading ring and outer shading ring, the inside and outside disc of the first internal ring and the second internal ring interior
It is provided with the sealing ring gear B in comb teeth-shaped of projection on disc, seals ring gear A and seal the interlaced distribution of ring gear B,
It is collectively forming the oil storage tank of complications between the two；The excretion mouth being connected by annular seal space it is provided with the external world on main ring B.
It is provided with annular groove on the inner headed face of described main ring A, annular groove is provided with sealing ring, described sealing ring
Contact with vertical pivot and realize sealing.
Be provided with annular groove on the periphery of described retainer ring, annular groove be provided with sealing ring, described sealing ring with
Equipment end cap contacts and realizes sealing.
Being provided with retaining ring on the bottom of described main ring A, the position of retaining ring is positioned at the lower section of stationary ring, and retaining ring is by rotating ring
It is locked on vertical pivot.
Compared with prior art, this utility model has the advantage that the labyrinth in vertical pivot that this utility model provides
In use, the lubricant grease in annular seal space is entered oil storage by the gap between main ring B and shading ring to seal separating device
Groove, sealing ring gear A set in oil storage tank and sealing ring gear B can stop oils and fats to leak from oil storage tank；Meanwhile,
Due to the gap opening between main ring A and main ring B down, therefore, extraneous dirt is difficult to enter oil storage tank from there
In and travel further in annular seal space.When needing to change the oils and fats in annular seal space, it is only necessary to take out the stopper in excretion mouth,
Waste and old oils and fats in annular seal space can flow out under gravity from excretion mouth.
Accompanying drawing explanation
The structural representation of the labyrinth seal isolating device that Fig. 1 provides for this utility model；
In figure: 1-vertical pivot, 2-equipment end cap, 3-main ring A, 4-connect ring, 5-shading ring, and 6-seals ring gear A, 7-master
Ring B, 8-retainer ring, 9-internal ring, 10-seals ring gear B, 11-and drains mouth, 12-sealing ring, 13-retaining ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is done detailed specific description.
The structure of labyrinth seal isolating device that this utility model provides as it is shown in figure 1, at least include rotating ring and stationary ring,
Rotating ring is fixed on vertical pivot 1 and rotates with vertical pivot, and stationary ring is fixed on equipment end cap 2, and described stationary ring is enclosed within dynamic
On ring and both rotate against, described rotating ring includes main ring A3, connects ring 4 and two shading rings 5, two shading rings
Shading ring and outer shading ring in being respectively, four is integral type structure, and the cross section of rotating ring is in " door " font, main ring A3
Be positioned at the lower section being connected ring 4 with two shading rings 5, wherein main ring A is enclosed within vertical pivot and fixes with vertical pivot, described master
Being provided with retaining ring 13 on the bottom of ring A, the position of retaining ring 13 is positioned at the lower section of stationary ring, and retaining ring 13 is by rotating ring
It is locked on vertical pivot 1.
The sealing ring gear in comb teeth-shaped of projection it is provided with on the periphery of main ring A and the inside and outside disc of interior shading ring
A6.It is provided with annular groove on the inner headed face of described main ring A, annular groove is provided with sealing ring 12, described close
Seal 12 contacts with vertical pivot 1 and realizes sealing.
Described stationary ring includes that main ring B7, retainer ring 8 and two internal ring 9, two internal ring are respectively the first internal ring and
Two internal ring, four is integral type structure, and retainer ring 8 and two internal ring 9 are positioned at the top of main ring B7, wherein fix
Ring is connected to a fixed with equipment end cap, the periphery of described retainer ring is provided with annular groove, is provided with in annular groove
Sealing ring 12, described sealing ring 12 contacts with equipment end cap 2 and realizes sealing.
Described first internal ring between main ring A and interior shading ring, the second internal ring be positioned at shading ring and outer shading ring it
Between, the inside and outside disc of the first internal ring and the inner headed face of the second internal ring are provided with the sealing ring gear in comb teeth-shaped of projection
B10, seals ring gear A6 and seals the interlaced distribution of ring gear B10, being collectively forming the oil storage tank of complications between the two.
In use, the lubricant grease in annular seal space is entered oil storage tank, institute in oil storage tank by the gap between main ring B and shading ring
The sealing ring gear A and the sealing ring gear B that arrange can stop oils and fats to leak from oil storage tank；Simultaneously as main ring A with
Down, therefore, extraneous dirt is difficult to enter in oil storage tank from there and travel further into gap opening between main ring B
In annular seal space.
The excretion mouth 11 being connected by annular seal space it is provided with the external world, when needing to change in annular seal space on described main ring B
During oils and fats, it is only necessary to take out the stopper in excretion mouth, the waste and old oils and fats in annular seal space can be under gravity from excretion mouth
Middle outflow.
Claims (4)
1. the labyrinth seal isolating device in vertical pivot, at least includes rotating ring and stationary ring, and rotating ring is fixed on vertical pivot
Above and rotating with vertical pivot, stationary ring is fixed on equipment end lid, and described stationary ring is enclosed within rotating ring and both rotate against,
It is characterized in that: described rotating ring includes main ring A, connects ring and two shading rings, and two shading rings are isolated in being respectively
Ring and outer shading ring, four is integral type structure, the cross section of rotating ring in " door " font, main ring A and two shading ring positions
In the lower section of connection ring, wherein main ring A is enclosed within vertical pivot and fixes with vertical pivot, the periphery of main ring A and interior isolation
The sealing ring gear A in comb teeth-shaped of projection it is provided with on the inside and outside disc of ring；Described stationary ring includes main ring B, consolidates
Determining ring and two internal ring, two internal ring are respectively the first internal ring and the second internal ring, and four is integral type structure, retainer ring
And two internal ring are positioned at the top of main ring B, wherein retainer ring is connected to a fixed with equipment end cap, and the first internal ring is positioned at master
Between ring A and interior shading ring, the second internal ring between interior shading ring and outer shading ring, the inside and outside disc of the first internal ring
And second internal ring inner headed face on be provided with projection the sealing ring gear B in comb teeth-shaped, seal ring gear A and seal ring gear
The interlaced distribution of B, is collectively forming the oil storage tank of complications between the two；It is provided with annular seal space and extraneous phase on main ring B
The excretion mouth of connection.
Labyrinth seal isolating device in vertical pivot the most according to claim 1, it is characterised in that: described
Being provided with annular groove on the inner headed face of main ring A, be provided with sealing ring in annular groove, described sealing ring connects with vertical pivot
Touch and realize sealing.
Labyrinth seal isolating device in vertical pivot the most according to claim 1, it is characterised in that: described solid
Determine to be provided with on the periphery of ring annular groove, annular groove is provided with sealing ring, described sealing ring and equipment end cap phase
Contact and realize sealing.
Labyrinth seal isolating device in vertical pivot the most according to claim 1, it is characterised in that: described master
Being provided with retaining ring on the bottom of ring A, the position of retaining ring is positioned at the lower section of stationary ring, retaining ring rotating ring is locked in
On vertical pivot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153018.XU CN205559799U (en) | 2016-02-29 | 2016-02-29 | A labyrinth seals isolating device for in vertical axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153018.XU CN205559799U (en) | 2016-02-29 | 2016-02-29 | A labyrinth seals isolating device for in vertical axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559799U true CN205559799U (en) | 2016-09-07 |
Family
ID=56818926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620153018.XU Active CN205559799U (en) | 2016-02-29 | 2016-02-29 | A labyrinth seals isolating device for in vertical axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559799U (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 |
-
2016
- 2016-02-29 CN CN201620153018.XU patent/CN205559799U/en active Active
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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171204 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: Deng Lunsheng |