CN106122481B - A kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft - Google Patents
A kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft Download PDFInfo
- Publication number
- CN106122481B CN106122481B CN201610503168.3A CN201610503168A CN106122481B CN 106122481 B CN106122481 B CN 106122481B CN 201610503168 A CN201610503168 A CN 201610503168A CN 106122481 B CN106122481 B CN 106122481B
- Authority
- CN
- China
- Prior art keywords
- ring
- row
- diameter shaft
- fat
- gear
- 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.)
- Expired - Fee Related
Links
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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/38—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member sealed by a packing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Sealing Devices (AREA)
Abstract
The invention provides a kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft, including at least the stationary ring being installed on multi-diameter shaft, and it is installed on the rotating ring that equipment end covers, described rotating ring includes retainer ring with main ring, both are connected to one formula structure, and wherein retainer ring is fitted in equipment end and covered, and gland, which is pressed in retainer ring, mutually fixes rotating ring and equipment end cap, main ring is enclosed on the small axle of multi-diameter shaft, and axial water conservancy diversion step is distributed with the inner headed face in the middle part of main ring；Described stationary ring is enclosed on the small axle of multi-diameter shaft, and its left and right ends is provided with the isolation ring gear radially towards outer lug, and sealing ring is provided with the gap that the left and right two isolates between the periphery of ring gear and the inner headed face of main ring；Row's fat passage of axial insertion is distributed with right isolation ring gear, the bottom of left isolation ring gear is provided with row's fat hole.Described device 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 multi-diameter shaft
In the automatic eduction gear of waste and old lubricating grease, belong to technical field of sealing technology.
Background technology
Labyrinth seal is that several belt sealing teeth being arranged in order are set around multi-diameter 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 waste and old lubricating grease being installed in multi-diameter shaft, and the waste and old lubricating grease is certainly
Dynamic eduction gear solves deficiency of the prior art, and it, can be while independently row's fat suitable for large scale multi-diameter shaft
Ensure the recoverable amount of grease in annular seal space, while obstruct the passage between annular seal space and the external world, good airproof performance completely.
Technical scheme is used by realizing above-mentioned purpose of the present invention：
A kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft, including at least being installed on multi-diameter shaft and rank
The stationary ring that terraced axle is fixedly connected, and the rotating ring that equipment end is covered and rotated with equipment end cap around multi-diameter shaft is installed on, it is described
Rotating ring includes retainer ring with main ring, and both are connected to one formula structure, and wherein retainer ring is fitted in equipment end and covered, gland
It is pressed in retainer ring and mutually fixes rotating ring and equipment end cap, main ring is enclosed on the small axle of multi-diameter shaft, on the inner headed face in the middle part of main ring
Axial water conservancy diversion step is distributed with, the water conservancy diversion step is raised radially inwards；
Described stationary ring is enclosed on the small axle of multi-diameter shaft, and its left and right ends is provided with the isolation tooth radially towards outer lug
Ring, it is row's fat groove that left and right two, which isolates between ring gear the chamber sandwiched, and water conservancy diversion step is corresponding with the position for arranging fat groove, the left side
Sealing ring is provided with the gap that the right side two isolates between the periphery of ring gear and the inner headed face of main ring, the sealing ring installation is solid
Isolate due to two on ring gears, and be in close contact with main ring；Row's fat passage of axial insertion is distributed with right isolation ring gear, arranges fat
The both ends of passage connect with annular seal space and row's fat groove respectively, and the installation position of row's fat passage is located on the axle center of multi-diameter shaft
Side, the bottom of left isolation ring gear are provided with row's fat hole, and the both ends in row's fat hole connect with row's fat groove and the external world.
Row's fat is provided with oil collection box below hole, and oil collection box is installed on the big axle of multi-diameter shaft, for collecting from row's fat hole
The waste grease of middle discharge.
The rotating ring and stationary ring are split type structure, and rotating ring and stationary ring are split into more than two parts of arc-shaped, and
It is provided with the gusset piece radially towards outer lug at subdivision, each several part in rotating ring passes through gusset piece splicing cyclization, connection
It is provided with attachment bolt on plate, each several part in stationary ring splices cyclization by gusset piece, and attachment bolt is provided with gusset piece.
In the waste and old lubricating grease automatic eduction gear provided by the invention being installed in multi-diameter shaft, due to sealing ring by a left side every
Sealed from the gap between ring gear and main ring, therefore sealing can be formed and prevent dirt from entering；Equally, sealing ring by the right side every
Sealed from the gap between ring gear and main ring, above-mentioned sealing can also ensure that the grease in annular seal space will not leak.When need
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 at the axle center of multi-diameter shaft
Top, 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, is then arranged
The water conservancy diversion step scraping that phantom ring rotates in fat groove, finally flowed out from row's fat hole of left isolation ring gear bottom.Therefore the present apparatus
Grease recoverable amount in ensuring annular seal space on the basis of being drained automatically realizing degras.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the waste and old automatic eduction gear of lubricating grease provided by the invention；
In figure：1- multi-diameter shafts, 2- equipment end caps, 3- retainer rings, 4- main rings, 5- water conservancy diversion steps, 6- glands, 7- stationary rings, 8-
Sealing ring, the right isolation ring gears of 9-, 10- row's fat passages, the left isolation ring gears of 11-, 12- row's fat hole, 13- oil collection boxes, 14- gusset pieces,
15- attachment bolts.
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 waste and old lubricating grease provided by the invention is as shown in figure 1, including being installed on ladder
The stationary ring being fixedly connected on axle 1 with multi-diameter shaft, and be installed on equipment end cap 2 and rotated with equipment end cap around multi-diameter shaft dynamic
Ring, described rotating ring include retainer ring 3 with main ring 4, and both are connected to one formula structure, and wherein retainer ring 3, which is fitted in, sets
On standby end cap 2, gland 6 is pressed in retainer ring 3 and mutually fixes rotating ring and equipment end cap, and main ring 4 is enclosed on the small axle of multi-diameter shaft 1,
Axial water conservancy diversion step 5 is distributed with inner headed face in the middle part of main ring, the water conservancy diversion step 5 is radially towards internal projection.
Described stationary ring 7 is enclosed on the small axle of multi-diameter shaft 1, and its left and right ends is provided with the isolation radially towards outer lug
Ring gear, it is row's fat groove that left and right two, which isolates between ring gear the chamber sandwiched, and water conservancy diversion step 5 is corresponding with the position for arranging fat groove, institute
State in the gap that left and right two isolates between the periphery of ring gear and the inner headed face of main ring 4 and be provided with sealing ring 8, the sealing ring
8 are mounted on two isolation ring gears, and are in close contact with main ring 4；Row's fat of axial insertion is distributed with right isolation ring gear 9
Passage 10, the both ends of row's fat passage 10 connect with annular seal space and row's fat groove respectively, and the installation position of row's fat passage 10 is located at
Above the axle center of multi-diameter shaft.The bottom of left isolation ring gear 11 is provided with row's fat hole 12, both ends and row's fat groove in row's fat hole 12
Connected with the external world.The lower section in row's fat hole 12 is provided with oil collection box 13, and oil collection box 13 is installed on the big axle of multi-diameter shaft, for collecting
The waste grease discharged from row's fat hole.
The rotating ring and stationary ring are split type structure, and rotating ring and stationary ring are split into more than two parts of arc-shaped, and
It is provided with the gusset piece 14 radially towards outer lug at subdivision, each several part in rotating ring passes through gusset piece splicing cyclization, connection
It is provided with attachment bolt 15 on fishplate bar, each several part in stationary ring splices cyclization by gusset piece, and connection spiral shell is provided with gusset piece
Bolt 15.
In the automatic eduction gear of waste and old lubricating grease provided by the invention, because sealing ring is by between left isolation ring gear and main ring
Gap sealed, therefore can be formed sealing prevent dirt enter；Equally, sealing ring is by between right isolation ring gear and main ring
Gap sealed, above-mentioned sealing can also ensure that the grease in annular seal space will not leak.When needing to change grease, fresh oil
Fat is added in annular seal space, the more accumulates the more more, and the position of row's fat passage is located above the axle center of multi-diameter shaft, when in annular seal space
When grease exceedes the height of row's fat passage, grease is entered in row's fat groove by row's fat passage, is then rotated by phantom ring in row's fat groove
Water conservancy diversion step scraping, finally flowed out from row's fat hole of left isolation ring gear bottom.Therefore the present apparatus can realize degras certainly
The grease recoverable amount in annular seal space is ensured on the basis of dynamic excretion.
Claims (3)
1. a kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft, including at least being installed on multi-diameter shaft and ladder
The stationary ring that axle is fixedly connected, and the rotating ring that equipment end is covered and rotated with equipment end cap around multi-diameter shaft is installed on, its feature exists
In：Described rotating ring includes retainer ring and main ring, and both are connected to one formula structure, and wherein retainer ring is fitted in equipment
On end cap, gland, which is pressed in retainer ring, mutually fixes rotating ring and equipment end cap, and main ring is enclosed on the small axle of multi-diameter shaft, in the middle part of main ring
Inner headed face on axial water conservancy diversion step is distributed with, the water conservancy diversion step is raised radially inwards；
Described stationary ring is enclosed on the small axle of multi-diameter shaft, and its left and right ends is provided with the isolation ring gear radially towards outer lug,
It is row's fat groove that left and right two, which isolates between ring gear the chamber sandwiched, and water conservancy diversion step is corresponding with the position for arranging fat groove, the left and right
Sealing ring is provided with gap between the periphery of two isolation ring gears and the inner headed face of main ring, the sealing ring installation is fixed
Isolate in two on ring gears, and be in close contact with main ring；Row's fat passage of axial insertion is distributed with right isolation ring gear, row's fat leads to
The both ends in road connect with annular seal space and row's fat groove respectively, and the installation position of row's fat passage is located above the axle center of multi-diameter shaft,
The bottom of left isolation ring gear is provided with row's fat hole, and the both ends in row's fat hole connect with row's fat groove and the external world.
2. the waste and old lubricating grease automatic eduction gear according to claim 1 being installed in multi-diameter shaft, it is characterised in that：Row
Oil collection box is provided with below fat hole, oil collection box is installed on the big axle of multi-diameter shaft, is discharged for collection from row's fat hole useless
Abandon grease.
3. the waste and old lubricating grease automatic eduction gear according to claim 1 being installed in multi-diameter shaft, it is characterised in that：Institute
It is split type structure to state rotating ring and stationary ring, and rotating ring and stationary ring are split into more than two parts of arc-shaped, and equal at subdivision
It is provided with the gusset piece radially towards outer lug, each several part in rotating ring splices cyclization by gusset piece, is provided with gusset piece
Attachment bolt；Each several part in stationary ring splices cyclization by gusset piece, and attachment bolt is provided with gusset piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503168.3A CN106122481B (en) | 2016-06-30 | 2016-06-30 | A kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610503168.3A CN106122481B (en) | 2016-06-30 | 2016-06-30 | A kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122481A CN106122481A (en) | 2016-11-16 |
| CN106122481B true CN106122481B (en) | 2017-12-05 |
Family
ID=57286139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610503168.3A Expired - Fee Related CN106122481B (en) | 2016-06-30 | 2016-06-30 | A kind of automatic eduction gear of waste and old lubricating grease being installed in multi-diameter shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122481B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012133B1 (en) * | 1978-12-15 | 1981-09-30 | Firma Carl Freudenberg | Sealing for a gap between a rotating shaft and a crank case bore against a mixture of fluid and gas |
| CN204784729U (en) * | 2015-06-30 | 2015-11-18 | 湖北新置密封件有限公司 | Labyrinth frizing sealing device |
| CN205155158U (en) * | 2015-10-20 | 2016-04-13 | 邓伦胜 | Install autonomic grease discharging formula labyrinth seals device in step shaft |
| CN205173485U (en) * | 2015-10-20 | 2016-04-20 | 邓伦胜 | Install autonomic row of fat formula sealing device in step shaft |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9121503B2 (en) * | 2009-06-15 | 2015-09-01 | Kalsi Engineering, Inc. | Rotary seal with supported inlet |
-
2016
- 2016-06-30 CN CN201610503168.3A patent/CN106122481B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012133B1 (en) * | 1978-12-15 | 1981-09-30 | Firma Carl Freudenberg | Sealing for a gap between a rotating shaft and a crank case bore against a mixture of fluid and gas |
| CN204784729U (en) * | 2015-06-30 | 2015-11-18 | 湖北新置密封件有限公司 | Labyrinth frizing sealing device |
| CN205155158U (en) * | 2015-10-20 | 2016-04-13 | 邓伦胜 | Install autonomic grease discharging formula labyrinth seals device in step shaft |
| CN205173485U (en) * | 2015-10-20 | 2016-04-20 | 邓伦胜 | Install autonomic row of fat formula sealing device in step shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106122481A (en) | 2016-11-16 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |