CN106015577B - A kind of automatic eduction gear of degras based on sealing ring - Google Patents
A kind of automatic eduction gear of degras based on sealing ring Download PDFInfo
- Publication number
- CN106015577B CN106015577B CN201610497635.6A CN201610497635A CN106015577B CN 106015577 B CN106015577 B CN 106015577B CN 201610497635 A CN201610497635 A CN 201610497635A CN 106015577 B CN106015577 B CN 106015577B
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- Prior art keywords
- ring
- interior
- rotating ring
- stationary
- rotating
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Classifications
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- 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
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The invention provides a kind of automatic eduction gear of the degras based on sealing ring, including at least equipment end cap, rotary shaft and rotating ring and stationary ring, described rotating ring is made up of interior rotating ring, outer rotating ring, connection ring, interior rotating ring covers on the rotating shaft vertically, outer moving ring sleeve is on interior rotating ring, axial water conservancy diversion step is distributed with the periphery of outer rotating ring left end, stirring step is evenly distributed with the periphery of outer rotating ring right-hand member；Described stationary ring is made up of interior stationary ring, outer stationary ring, retainer ring and shading ring, shading ring is fixed on the inner headed face of outer stationary ring right-hand member and between water conservancy diversion step and stirring step, interior stationary ring is between interior rotating ring and outer rotating ring, row's fat passage of axial insertion is distributed with shading ring, the installation position of row's fat passage is located above the axle center of rotary shaft, the bottom of the retainer ring and the row's of being provided with fat hole slot at the position correspondence of water conservancy diversion step.The present apparatus can ensure the recoverable amount of grease in annular seal space while independently row's fat.
Description
Technical field
The invention provides a kind of sealing device in rotary shaft or gear-box, more particularly to one kind to be used for major diameter
The automatic drainage-type sealing device of degras in rotating shaft, belongs to technical field of sealing technology.
Background technology
Labyrinth seal is that several belt sealing teeth being arranged in order are set around rotary shaft, and a system is formed between tooth and tooth
Arrange gap of damming and throttle effect is produced when by the gap in tortuous labyrinth to reach Drain Resistance with expansion cavity, sealed medium
The device of purpose.Due to gap, no solid contact between the rotor and casing of labyrinth seal be present, and allow have 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 shaft end of air blower and it is at different levels between sealing.However, under some specific operating modes, the lubricant grease in annular seal space is that requirement is entered
The new and old circulation of row, this is required in usual operation process, and sealing device can discharge the grease of aging in annular seal space,
So as to provide space for the addition of new grease.It is difficult to especially in large-diameter equipment, during using grease lubrication to grease
Timely replacement, therefore must be extruded degras by the way of regular grease up.This requires, first, in annular seal space
Grease needs to ensure certain recoverable amount, and this requires that fat can not be arranged excessive.Second, during fat is arranged, the oil discharged
Fat is preferably waste and old grease or new and old compound lard, it is impossible to the grease newly added discharged, and current degras is automatic
Excretion sealing device can not realize above-mentioned requirements.
The content of the invention
The invention provides a kind of automatic eduction gear of the degras based on sealing ring, and this independently arranges the solution of fat formula sealing device
Deficiency of the prior art, it can ensure oil in annular seal space suitable for the large scale rotary shaft while independently row's fat
The recoverable amount of fat, while the passage between annular seal space and the external world, good airproof performance have been obstructed completely.
Technical scheme is used by realizing above-mentioned purpose of the present invention：
The automatic eduction gear of a kind of degras based on sealing ring, including at least equipment end cap, rotary shaft and rotating ring and quiet
Ring, described stationary ring are fixed on equipment end by bolt and covered, and described rotating ring is fixed on the rotating shaft simultaneously by jackscrew
Rotated with rotary shaft, described rotating ring is made up of interior rotating ring, outer rotating ring, connection ring, and interior rotating ring covers on the rotating shaft, outside vertically
On interior rotating ring, connection ring is fixed on the right-hand member of interior rotating ring and outer rotating ring and interior rotating ring and outer rotating ring is fixed as one moving ring sleeve
Formula structure, axial water conservancy diversion step is distributed with the periphery of outer rotating ring left end, the water conservancy diversion step is radially raised；Outer rotating ring
Stirring step is evenly distributed with the periphery of right-hand member, the stirring step is radially raised, and stirs in step and annular seal space
Grease be in contact；Described stationary ring is made up of interior stationary ring, outer stationary ring, retainer ring and shading ring, including its China and foreign countries' stationary ring set
On stationary ring, retainer ring is located at the left end of outer stationary ring and interior stationary ring and interior stationary ring and outer stationary ring is fixed to one structure, fixed
The outer edge of ring is flattened on equipment end and covers and mutually fixed with equipment end cap, and shading ring is fixed on the inner headed face of outer stationary ring right-hand member
And between water conservancy diversion step and stirring step, interior stationary ring positioned at interior rotating ring and outer rotating ring between, and shading ring and outer rotating ring it
Between the domestic and abroad rotating ring in gap and interior stationary ring between gap in, in the gap between interior stationary ring and interior rotating ring be distributed with annular
Sealing ring, the sealing ring and rotating ring and stationary ring be in close contact and sealed above-mentioned gap, and axle is distributed with shading ring
To insertion row's fat passage, the installation position of row's fat passage is located above the axle center of rotary shaft, the bottom of the retainer ring
Portion and the row's of being provided with fat hole slot at the position correspondence of water conservancy diversion step.
Oil collection box is provided with below row's fat hole slot, oil collection box is installed on equipment end and covered, for collecting from row's fat hole slot
The waste grease of middle discharge.
In the automatic eduction gear of degras provided by the invention based on sealing ring, because sealing ring is by shading ring and outer rotating ring
Between gap, the gap between outer rotating ring and interior stationary ring, the gap between interior stationary ring and interior rotating ring sealed, therefore can
Forming sealing prevents dirt from entering；Similarly, above-mentioned sealing can also ensure that the grease in annular seal space will not leak.It is meanwhile outer dynamic
The stirring step being uniformly arranged on the periphery of ring right-hand member is in contact with the grease in annular seal space, stirs step in the course of the work
Phantom ring is rotated, therefore stirring step can be stirred to the grease in annular seal space, avoid the solid particle in waste and old grease
Bottom deposit, caking of the thing in annular seal space.When needing to change grease, new grease is added in annular seal space, the more accumulates the more more,
The position of row's fat passage is located above the axle center of rotary shaft, when the grease in annular seal space exceedes the height of row's fat passage, grease
Entered by row's fat passage in row's fat groove, the water conservancy diversion step then rotated by phantom ring in row's fat groove scrapes, finally from retainer ring bottom
Flowed out in row's fat hole slot in portion.Therefore the grease during the present apparatus ensures annular seal space on the basis of being drained automatically realizing degras
Recoverable amount.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the automatic eduction gear of degras provided by the invention；
In figure：1- equipment end caps, 2- rotary shafts, 3- jackscrews, rotating ring in 4-, the outer rotating rings of 5-, 6- water conservancy diversion steps, 7- mixing platforms
Rank, stationary ring in 8-, the outer stationary rings of 9-, 10- retainer rings, 11- shading rings, 12- sealing rings, 13- row's fat passages, 14- row's fat hole slots,
15- oil collection boxes.
Embodiment
Detailed specific description is done to the present invention below in conjunction with the accompanying drawings.
The overall structure of the automatic eduction gear of degras provided by the invention is as shown in figure 1, including equipment end cap 1, rotary shaft 2
And rotating ring and stationary ring, described stationary ring are fixed on equipment end cap 1 by bolt, described rotating ring is solid by jackscrew 3
It is scheduled in rotary shaft 2 and is rotated with rotary shaft, described rotating ring is made up of interior rotating ring 4, outer rotating ring 5, connection ring, the interior edge of rotating ring 4
Axially on the rotating shaft, on interior rotating ring, connection ring is fixed on the right-hand member of interior rotating ring and outer rotating ring and will be interior dynamic outer 5 sets of rotating ring set
Ring and outer rotating ring are fixed to one structure, and axial water conservancy diversion step 6 is distributed with the periphery of the outer left end of rotating ring 5, described to lead
It is radially raised to flow step 6；Stirring step 7 is evenly distributed with the periphery of the outer right-hand member of rotating ring 5, the step 7 that stirs is along footpath
To projection, and stir step 7 and be in contact with the grease in annular seal space.
Described stationary ring is made up of interior stationary ring 8, outer stationary ring 9, retainer ring 10 and shading ring 11, including its China and foreign countries' stationary ring set
On stationary ring, retainer ring is located at the left end of outer stationary ring and interior stationary ring and interior stationary ring and outer stationary ring is fixed to one structure, fixed
The outer edge of ring is flattened on equipment end and covers and mutually fixed with equipment end cap, and shading ring 11 is fixed on the inner circle of the outer right-hand member of stationary ring 9
On face and positioned at water conservancy diversion step 6 and stirring step 7 between, interior stationary ring 8 positioned at interior rotating ring 4 and outer rotating ring 5 between, and shading ring and
Divide equally in gap in the gap between the domestic and abroad rotating ring in gap and interior stationary ring between outer rotating ring, between interior stationary ring and interior rotating ring
The sealing ring 12 of annular is furnished with, the sealing ring 12 is in close contact with rotating ring and stationary ring and is sealed above-mentioned gap.Isolation
Row's fat passage 13 of axial insertion is distributed with ring 11, the installation position of row's fat passage 13 is located at the axle center of rotary shaft 2
Top, the bottom of the retainer ring 10 and the row's of being provided with fat hole slot 14 at the position correspondence of water conservancy diversion step 6.Arrange under fat hole slot 14
Side is provided with oil collection box 15, and oil collection box 15 is installed on equipment end and covered, for collecting the waste grease discharged from row's fat hole slot.
In the present invention, because sealing ring is by the seam between the gap between shading ring and outer rotating ring, outer rotating ring and interior stationary ring
Gap between gap, interior stationary ring and interior rotating ring is sealed, therefore can be formed sealing and be prevented dirt from entering；Similarly, it is above-mentioned close
Envelope can also ensure that the grease in annular seal space will not leak.Meanwhile the mixing platform being uniformly arranged on the periphery of outer rotating ring right-hand member
Rank is in contact with the grease in annular seal space, stirs the rotation of step phantom ring in the course of the work, therefore stirring step can be to close
Grease in envelope chamber is stirred, and avoids bottom deposit, caking of the solid particulate matter in waste and old grease in annular seal space.Work as needs
When changing grease, new grease is added in annular seal space, the more accumulates the more more, and the position of row's fat passage is located on the axle center of rotary shaft
Side, when the grease in annular seal space exceedes the height of row's fat passage, grease is entered in row's fat groove by row's fat passage, then by row's fat
The water conservancy diversion step scraping that phantom ring rotates in groove, finally flows out from row's fat hole slot of retainer ring bottom.Therefore the present apparatus can
Grease recoverable amount in annular seal space is ensured on the basis of realizing that degras is drained automatically.
Claims (2)
1. a kind of automatic eduction gear of degras based on sealing ring, including at least equipment end cap, rotary shaft and rotating ring and stationary ring,
Described stationary ring is fixed on equipment end by bolt and covered, described rotating ring by jackscrew fix on the rotating shaft and with turn
Moving axis rotates, it is characterised in that：
Described rotating ring is made up of interior rotating ring, outer rotating ring, connection ring, and interior rotating ring covers on the rotating shaft vertically, and outer moving ring sleeve exists
On interior rotating ring, connection ring is fixed on the right-hand member of interior rotating ring and outer rotating ring and interior rotating ring and outer rotating ring is fixed to one structure,
Axial water conservancy diversion step is distributed with the periphery of outer rotating ring left end, the water conservancy diversion step is radially raised；Outer rotating ring right-hand member
Stirring step is evenly distributed with periphery, the stirring step is radially raised, and stirs step and the grease in annular seal space
It is in contact；Described stationary ring is made up of interior stationary ring, outer stationary ring, retainer ring and shading ring, and its China and foreign countries' stationary ring is covered on interior stationary ring,
Retainer ring is located at the left end of outer stationary ring and interior stationary ring and interior stationary ring and outer stationary ring is fixed to one structure, the outside of retainer ring
Cover and mutually fixed with equipment end cap along equipment end is flattened on, shading ring, which is fixed on the inner headed face of outer stationary ring right-hand member and is located at, leads
Flow between step and stirring step, interior stationary ring is between interior rotating ring and outer rotating ring, and the gap between shading ring and outer rotating ring
The sealing ring of annular is distributed with gap in gap between domestic and abroad rotating ring and interior stationary ring, between interior stationary ring and interior rotating ring,
The sealing ring is in close contact with rotating ring and stationary ring and is sealed above-mentioned gap, and axial insertion is distributed with shading ring
Fat passage is arranged, the installation position of row's fat passage is located above the axle center of rotary shaft, the bottom of the retainer ring and diversion platform
The row's of being provided with fat hole slot at the position correspondence of rank.
2. the automatic eduction gear of degras according to claim 1, it is characterised in that：Oil-collecting is provided with below row's fat hole slot
Box, oil collection box are installed on equipment end and covered, for collecting the waste grease discharged from row's fat hole slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497635.6A CN106015577B (en) | 2016-06-30 | 2016-06-30 | A kind of automatic eduction gear of degras based on sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497635.6A CN106015577B (en) | 2016-06-30 | 2016-06-30 | A kind of automatic eduction gear of degras based on sealing ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015577A CN106015577A (en) | 2016-10-12 |
| CN106015577B true CN106015577B (en) | 2018-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610497635.6A Active CN106015577B (en) | 2016-06-30 | 2016-06-30 | A kind of automatic eduction gear of degras based on sealing ring |
Country Status (1)
| Country | Link |
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| CN (1) | CN106015577B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115108555A (en) * | 2021-10-19 | 2022-09-27 | 天华化工机械及自动化研究设计院有限公司 | Activation furnace top seal structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2861253D1 (en) * | 1978-12-15 | 1981-12-10 | Freudenberg Carl Fa | Sealing for a gap between a rotating shaft and a crank case bore against a mixture of fluid and gas |
| WO2010148028A1 (en) * | 2009-06-15 | 2010-12-23 | Dietle Lannie L | Rotary seal with supported inlet |
| CN104315150B (en) * | 2014-10-16 | 2017-02-15 | 武汉新置密封科技有限公司 | Rotary lip labyrinth sealing device |
| CN205013690U (en) * | 2015-09-30 | 2016-02-03 | 武汉新置密封科技有限公司 | Two way seal isolating device |
| CN205315707U (en) * | 2015-11-30 | 2016-06-15 | 邓伦胜 | Autonomic frizing grease discharging sealing device |
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2016
- 2016-06-30 CN CN201610497635.6A patent/CN106015577B/en active Active
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| Publication number | Publication date |
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| CN106015577A (en) | 2016-10-12 |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20171127 Address after: 435300 Qichun County, Hubei Province, Chek Tung Village, Chek Tung town, Qichun County Applicant after: New Polytron Technologies Inc in Hubei Address before: 435300 Dongfang garden, Cao he Town, Qichun County, Huanggang, Hubei Province, 5A-1-1301 Applicant before: Liu Lixia |
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| GR01 | Patent grant |