CN206694561U - A kind of special labyrinth gland of spray cooling system - Google Patents
A kind of special labyrinth gland of spray cooling system Download PDFInfo
- Publication number
- CN206694561U CN206694561U CN201720392933.9U CN201720392933U CN206694561U CN 206694561 U CN206694561 U CN 206694561U CN 201720392933 U CN201720392933 U CN 201720392933U CN 206694561 U CN206694561 U CN 206694561U
- Authority
- CN
- China
- Prior art keywords
- ring
- rotating ring
- stationary ring
- stationary
- interior
- 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.)
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Links
- 239000007921 spray Substances 0.000 title claims abstract description 16
- 210000004907 gland Anatomy 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 title claims abstract description 11
- 238000011084 recovery Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 16
- 238000007789 sealing Methods 0.000 abstract description 13
- 238000005452 bending Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a kind of special labyrinth gland of spray cooling system, and including at least stationary ring and rotating ring, stationary ring is two-layer stratigraphic structure, including outer stationary ring, interior stationary ring and connection ring A；The section of rotating ring is in E fonts, and rotating ring is three layers structure, including outer rotating ring, middle rotating ring, the connection ring B of interior rotating ring and radial direction；The rotating ring and stationary ring are interlaced and snap connection, and the gap of bending is collectively forming between stationary ring and rotating ring；The raised sealing ring gear of radial direction is provided with the inner headed face and periphery of described outer stationary ring, interior stationary ring and middle rotating ring, drainage chutes are evenly distributed with the inner headed face of the outer rotating ring, oil-recovery tank is provided with the sealed bottom ring gear of the inner headed face of the interior stationary ring.The device can either prevent the oil leakage in annular seal space, while the shower water in the external world can be prevented to enter annular seal space, its service life length again, and applicability is wide.
Description
Technical field
The utility model provides spray equipment bearing housing or gear box lubricating oil labyrinth seal dress in a kind of plant equipment
Put, belong to sealing device technical field.
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.
In some special occasions, in order to cooled to the bearing of high-speed rotation, it is necessary to countershaft carry out water-spraying control,
Because the impulsive force of the cooling water of spray is larger, cooling water is easily accessible in annular seal space, and bearing housing and gear-box are caused to damage.
Therefore, there is a need in the field to provide a kind of labyrinth gland of the favorable sealing property special for spray system.
The content of the invention
The utility model provides a kind of special labyrinth gland of spray cooling system, solves in background technology not
Foot, the device can either prevent the oil leakage in annular seal space, while the shower water in the external world can be prevented to enter annular seal space again,
Its service life is grown, and applicability is wide.
Technical scheme is used by realizing the utility model above-mentioned purpose：
A kind of special labyrinth gland of spray cooling system, revolved on the rotating shaft and with axle including at least stationary ring and set
The rotating ring turned, the rotary shaft is Step Shaft, and stationary ring is fixedly mounted on equipment end by eccentric bushing and covered, and described stationary ring is double
Layered structure, include the connection ring A of outer stationary ring, interior stationary ring and the radial direction for mutually fixing outer stationary ring with interior stationary ring, three one
Body formula structure, the connection ring A are located on outer stationary ring and interior stationary ring close to the side of annular seal space；
The section of described rotating ring is in E fonts, and rotating ring is three layers structure, including outer rotating ring, middle rotating ring, interior rotating ring and
The connection ring B for the radial direction that outer rotating ring, middle rotating ring are mutually fixed with interior rotating ring, four are connected to one；Connect in the rotating ring
The side for meeting ring B is provided with locking lid, and rotating ring is pressed on the shaft shoulder of Step Shaft by the locking lid, makes rotating ring and Step Shaft phase
It is fixed；
The rotating ring and stationary ring are interlaced and snap connection, its China and foreign countries' stationary ring between middle rotating ring and outer rotating ring, in
Rotating ring is between outer stationary ring and interior stationary ring, and interior stationary ring is between middle rotating ring and interior rotating ring, common shape between stationary ring and rotating ring
Into the gap of bending；The convex of radial direction is provided with the inner headed face and periphery of described outer stationary ring, interior stationary ring and middle rotating ring
The sealing ring gear risen, drainage chutes, the bottom of the inner headed face of the interior stationary ring are evenly distributed with the inner headed face of the outer rotating ring
Oil-recovery tank is provided with sealing ring gear.
Backflow hole slot is provided with the sealed bottom ring gear of the inner headed face of the outer stationary ring.
The special labyrinth gland of spray cooling system provided by the utility model has advantages below：The utility model
In the special labyrinth gland of spray cooling system of offer, rotating ring rotates with Step Shaft when in use, and shower water sprays to sealing
During device, set locking lid can stop wherein most shower waters.Then, due to the seam between stationary ring and rotating ring
The opening of gap is between outer rotating ring and outer stationary ring, and the direction being open is backwards to the direction of shower water, therefore, shower water
Hardly enter in gap.Even if part shower water is entered in gap, then even, due to uniform on the inner headed face of outer rotating ring
Drainage chutes are distributed with, rotating ring is rotated with Step Shaft, and under the influence of centrifugal force, shower water is got rid of along drainage chutes
Go out, so as to avoid enter into annular seal space.Backward is contemplated again, even if there is part shower water to enter between outer stationary ring and middle rotating ring
Gap, then this part shower water can rotate with the drive of middle rotating ring, then be thrown toward under the influence of centrifugal force
The inner headed face of outer stationary ring, then the bottom of outside stationary ring flows away under gravity, finally as set by outer stationary ring bottom
Flow back in the gap that hole slot is flowed between outer stationary ring and outer rotating ring, be discharged then along drainage chutes.In addition, in annular seal space
If grease is flowed into the gap between interior rotating ring and interior stationary ring, then interior stationary ring can be thrown toward in the presence of interior rotating ring, connect
The bottom for inside stationary ring under gravity flows away, and finally flows back to annular seal space as the oil-recovery tank set by interior stationary ring bottom.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the special labyrinth gland of spray cooling system provided by the utility model；
In figure：1- Step Shafts, 2- eccentric bushings, 3- equipment end caps, the outer stationary rings of 4-, stationary ring in 5- are dynamic outside 6- connection rings A, 7-
Ring, rotating ring in 8-, rotating ring in 9-, 10- connection rings B, 11- locking lid, 12- sealing ring gears, 13- drainage chutes, 14- oil-recovery tanks,
15- backflow hole slots.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment does detailed specific description to the utility model, but of the present utility model
Protection domain is not limited to following examples.
The structure of the special labyrinth gland of spray cooling system provided by the utility model is as shown in figure 1, comprise at least
On the rotating shaft and the rotating ring that rotates with the axis, the rotary shaft is Step Shaft 1, and stationary ring is fixed by eccentric bushing 2 for stationary ring and set
On equipment end cap 3.Described stationary ring is two-layer stratigraphic structure, including outer stationary ring 4, interior stationary ring 5 and by outer stationary ring and interior
The connection ring A6 for the radial direction that stationary ring is mutually fixed, three are integral type structure, and the connection ring A6 is located at outer stationary ring 4 and interior stationary ring 5
The side of upper close annular seal space.The section of described rotating ring is in E fonts, and rotating ring is three layers structure, including outer rotating ring 7, in move
The connection ring B10 of ring 8, interior rotating ring 9 and the radial direction for mutually fixing outer rotating ring 7, middle rotating ring 8 with interior rotating ring 9, four are fixedly connected
It is integrated.Connection ring B10 side is provided with locking lid 11 in the rotating ring, and rotating ring is pressed on Step Shaft by the locking lid 11
On 1 shaft shoulder, rotating ring is set mutually to be fixed with Step Shaft.The rotating ring and stationary ring are interlaced and snap connection, its China and foreign countries stationary ring position
Between middle rotating ring and outer rotating ring, middle rotating ring between outer stationary ring and interior stationary ring, interior stationary ring be located at middle rotating ring and interior rotating ring it
Between, the gap of bending is collectively forming between stationary ring and rotating ring.Described outer stationary ring, the inner headed face of interior stationary ring and middle rotating ring and outer
The raised sealing ring gear 12 of radial direction is provided with disc, and rotating ring and the sealing ring gear 12 on stationary ring are interlaced interspersed.
Drainage chutes 13 are evenly distributed with the inner headed face of the outer rotating ring, are set on the sealed bottom ring gear of the inner headed face of the interior stationary ring
It is equipped with oil-recovery tank 14；Backflow hole slot 15 is provided with the sealed bottom ring gear of the inner headed face of the outer stationary ring.
The operation principle for the sealing device that the present embodiment is provided is as follows：Rotating ring rotates equipment with Step Shaft in the running,
When shower water sprays to sealing device, set locking lid can stop wherein most shower waters.Then, due to stationary ring
The opening in the gap between rotating ring is between outer rotating ring and outer stationary ring, and the direction being open is backwards to the side of shower water
To therefore, shower water is hardly entered in gap.Even if part shower water is entered in gap, then even, due to outer rotating ring
Inner headed face on be evenly distributed with drainage chutes, rotating ring rotates with Step Shaft, under the influence of centrifugal force, shower water along
Drainage chutes are thrown out of, so as to avoid enter into annular seal space.Backward is contemplated again, even if there is part shower water to enter outer stationary ring
With the gap between middle rotating ring, then this part shower water can rotate with the drive of middle rotating ring, then in centrifugal force
The inner headed face of outer stationary ring is thrown toward under effect, then the bottom of outside stationary ring flows away under gravity, finally by outer stationary ring
Backflow hole slot set by bottom is flowed in the gap between outer stationary ring and outer rotating ring, is discharged then along drainage chutes.This
Outside, if the grease in annular seal space is flowed into the gap between interior rotating ring and interior stationary ring, then meeting quilt in the presence of interior rotating ring
Inside stationary ring is got rid of, then the bottom of inside stationary ring flows away under gravity, finally as the oil return set by interior stationary ring bottom
Groove flows back to annular seal space.
Claims (2)
1. a kind of special labyrinth gland of spray cooling system, on the rotating shaft and rotated with the axis including at least stationary ring and set
Rotating ring, the rotary shaft is Step Shaft, and stationary ring is fixedly mounted on equipment end by eccentric bushing and covered, it is characterised in that：It is described
Stationary ring be two-layer stratigraphic structure, include the connection ring of outer stationary ring, interior stationary ring and the radial direction for mutually fixing outer stationary ring with interior stationary ring
A, three are integral type structure, and the connection ring A is located on outer stationary ring and interior stationary ring close to the side of annular seal space；
The section of described rotating ring is in E fonts, and rotating ring is outside three layers structure, including outer rotating ring, middle rotating ring, interior rotating ring and general
The connection ring B for the radial direction that rotating ring, middle rotating ring are mutually fixed with interior rotating ring, four are connected to one；Connection ring B in the rotating ring
Side be provided with locking lid, rotating ring is pressed on the shaft shoulder of Step Shaft by the locking lid, rotating ring is mutually fixed with Step Shaft；
The rotating ring and stationary ring are interlaced and snap connection, and its China and foreign countries' stationary ring is between middle rotating ring and outer rotating ring, middle rotating ring
Between outer stationary ring and interior stationary ring, interior stationary ring is collectively forming curved between middle rotating ring and interior rotating ring, between stationary ring and rotating ring
The gap of folding；The raised of radial direction is provided with the inner headed face and periphery of described outer stationary ring, interior stationary ring and middle rotating ring
Ring gear is sealed, drainage chutes, the sealed bottom of the inner headed face of the interior stationary ring are evenly distributed with the inner headed face of the outer rotating ring
Oil-recovery tank is provided with ring gear.
2. the special labyrinth gland of spray cooling system according to claim 1, it is characterised in that：The outer stationary ring
Backflow hole slot is provided with the sealed bottom ring gear of inner headed face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392933.9U CN206694561U (en) | 2017-04-14 | 2017-04-14 | A kind of special labyrinth gland of spray cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392933.9U CN206694561U (en) | 2017-04-14 | 2017-04-14 | A kind of special labyrinth gland of spray cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694561U true CN206694561U (en) | 2017-12-01 |
Family
ID=60444833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720392933.9U Active CN206694561U (en) | 2017-04-14 | 2017-04-14 | A kind of special labyrinth gland of spray cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694561U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506495A (en) * | 2018-05-30 | 2018-09-07 | 北京化工大学 | Sealing ring, seal assembly and mechanical equipment |
| CN111412289A (en) * | 2020-03-26 | 2020-07-14 | 青岛中加特电气股份有限公司 | Sealing device for rotary machine |
| 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 |
-
2017
- 2017-04-14 CN CN201720392933.9U patent/CN206694561U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506495A (en) * | 2018-05-30 | 2018-09-07 | 北京化工大学 | Sealing ring, seal assembly and mechanical equipment |
| CN111412289A (en) * | 2020-03-26 | 2020-07-14 | 青岛中加特电气股份有限公司 | Sealing device for rotary machine |
| 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 |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171128 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: Liu Lixia |
|
| TR01 | Transfer of patent right |