CN205401719U - Install autonomic frizing grease discharging sealing device in step shaft - Google Patents
Install autonomic frizing grease discharging sealing device in step shaft Download PDFInfo
- Publication number
- CN205401719U CN205401719U CN201620156054.1U CN201620156054U CN205401719U CN 205401719 U CN205401719 U CN 205401719U CN 201620156054 U CN201620156054 U CN 201620156054U CN 205401719 U CN205401719 U CN 205401719U
- Authority
- CN
- China
- Prior art keywords
- ring
- multidiameter
- internal gear
- frizing
- outer tooth
- 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
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Abstract
The utility model provides an install autonomic frizing grease discharging sealing device in step shaft, at least including install on the step shaft with step shaft fixed connection's quiet ring to and install on end cover of equipment and along with end cover of equipment around the rotatory rotating ring of step shaft, the rotating ring be located quiet intra -annular and both relative rotations, quiet ring including the installation lantern ring and an external gear ring, the 2nd external gear ring, the rotating ring include go -between, main ring and first internal gear, second internal gear, wherein the go -between laminating is on end cover of equipment, the gland is pressed and is fixed the rotating ring mutually with end cover of equipment on the go -between, the main ring overlaps on the staff of step shaft, an external gear ring is fixed with the felt sealing washer on the surface, and the felt sealing washer lies in tortuous clearance, and contacts with the rotating ring. Independently frizing grease discharging sealing device is during it is applicable to the step shaft, the grease discharging that can decide for oneself, long service life.
Description
Technical field
This utility model provides a kind of for the sealing device in rotating shaft or gear-box, particularly relates to a kind of for the autonomous frizing row's fat sealing device in multidiameter, belongs to technical field of sealing technology.
Background technology
Labyrinth seal is to set several belt sealing teeth being arranged in order rotating around axle, is formed and a series of dam gap and expand cavity between tooth and tooth, sealed medium when passing through the gap in tortuous labyrinth generation throttle effect and reach the device of the purpose of Drain Resistance.Owing to there is gap between the rotor of labyrinth seal and casing, without solid contact, and allowed thermal expansion, and therefore adapting to the occasion of high temperature, high pressure, high speed-frequency, this seal form is widely used in the sealing of steam turbine, gas turbine, compressor, the axle head of aerator and each inter-stage.But, under some specific operating mode, the lubricant grease in annular seal space is that requirement carries out new and old circulation, and this just requires in usual operation process, and oils and fats aging in annular seal space can be discharged by sealing device, provides space thus adding for new oils and fats.Particularly in large-diameter equipment, adopt and be difficult to oils and fats timely replacement during grease lubrication, therefore the mode of regular grease up must be adopted, degras is extruded.But, the current sealing device great majority directly row's of setting fat hole on stationary ring, but owing to, while discharging oils and fats, extraneous dirt also is able to be entered annular seal space by row fat hole, therefore, in use there is inconvenience.
Summary of the invention
This utility model provides a kind of autonomous frizing being installed in multidiameter row's fat sealing device, and this autonomous frizing row's fat sealing device solves deficiency of the prior art, and it is suitable in multidiameter, and it can independently arrange fat, long service life.
Realizing the technical scheme that this utility model above-mentioned purpose adopts is:
A kind of autonomous frizing row's fat sealing device being installed in multidiameter, at least include being installed on multidiameter and fix the stationary ring being connected with multidiameter, and the rotating ring being installed on equipment end lid and rotating around multidiameter with equipment end cap, described rotating ring is positioned at stationary ring and both rotate against, described stationary ring includes mounting collar and the first outer tooth ring, second outer tooth ring, three is connected to one formula structure, wherein mounting collar is enclosed within the big axle of multidiameter, mounting collar is by gland and is bolted on multidiameter, first outer tooth ring and the second outer tooth ring are positioned at the side of mounting collar and radially inwardly extending；
Described rotating ring includes connecting ring, main ring and the first internal gear, the second internal gear, four are connected to one formula structure, wherein connect ring and be fitted on equipment end lid, gland is pressed on connection ring and rotating ring and equipment end cap is fixed, main ring is enclosed within the little axle of multidiameter, and the first internal gear and the second internal gear are arranged radially on the periphery of main ring；The first outer tooth ring in described stationary ring is at the first internal gear and connects between ring, and the second outer tooth ring is between the second internal gear and the first internal gear, and rotating ring and stationary ring intermesh and intert and be collectively forming the gap of complications；Being fixed with felt seal ring on the surface of described first outer tooth ring, felt seal ring is positioned at the gap of complications, and contacts with rotating ring；In stationary ring, the bottom of mounting collar is provided with row's fat hole slot, and the both side surface of described second internal gear is provided with protruding frizing step radially.
That arranges fat hole slot is arranged below oil collection box, and oil collection box is installed on the big axle of multidiameter, for collecting the waste grease discharged from row's fat hole slot.
Described rotating ring and stationary ring are split type structure, both of which is split into more than two parts of arc-shaped, both are provided with the gusset piece radially towards outer lug, rotating ring or each several part in stationary ring at subdivision place and splice cyclization by gusset piece, and gusset piece is provided with attachment bolt.
In the autonomous frizing being installed in multidiameter row's fat sealing device that this utility model provides, oils and fats enters in sealing device along the gap between equipment end cap and the gap of multidiameter, multidiameter and main ring, then flows to the external world along the gap being collectively forming complications between outer tooth ring, internal gear and connection ring gradually.But on the surface of the first outer tooth ring, it being fixed with felt seal ring, felt seal ring is positioned at the gap of complications, and contacts with rotating ring.Therefore, felt seal ring can stop leaking of oils and fats, also stops the dirt in the external world to enter annular seal space simultaneously.When needing the oils and fats changing annular seal space, waste and old oils and fats enters in gap, the both side surface of the second internal gear in rotating ring is provided with protruding frizing step radially, frizing step phantom ring rotates, and scrape the waste and old oils and fats entered in gap, waste and old oils and fats is thrown toward on the inner headed face of the stationary ring of surrounding under the influence of centrifugal force, then bottom is flowed under gravity, owing to the bottom of mounting collar is provided with row's fat hole slot, waste and old oils and fats flows out the external world through row's fat hole slot, and flows in the oil collection box of lower section.
Accompanying drawing explanation
The overall structure schematic diagram of autonomous frizing row's fat sealing device that Fig. 1 provides for this utility model；
In figure: 1-multidiameter, 2-equipment end cap, 3-mounting collar, 4-the first outer tooth ring, 5-gland, 6-bolt, 7-connects ring, 8-main ring, 9-the first internal gear, 10-felt seal ring, 11-arranges fat hole slot, 12-oil collection box, 13-gusset piece, 14-attachment bolt, 15-the second outer tooth ring, 16-the second internal gear, 17-frizing step.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model done detailed specific description.
The overall structure of the autonomous frizing being installed in multidiameter row's fat sealing device that this utility model provides is as shown in Figure 1, fix, with multidiameter 1, the stationary ring being connected including being installed on multidiameter 1, and the rotating ring being installed on equipment end cap 2 and rotating around multidiameter 1 with equipment end cap 2, described rotating ring is positioned at stationary ring and both rotate against, described rotating ring and stationary ring are split type structure, both of which is split into more than two parts of arc-shaped, both are provided with the gusset piece 13 radially towards outer lug at subdivision place, each several part in rotating ring or stationary ring splices cyclization by gusset piece 13, gusset piece 13 is provided with attachment bolt 14.
Described stationary ring includes mounting collar 3 and first outer tooth ring the 4, second outer tooth ring 15, three is connected to one formula structure, wherein mounting collar 3 is enclosed within the big axle of multidiameter, mounting collar is fixed on multidiameter 1 by gland 5 and bolt 6, and the first outer tooth ring and the second outer tooth ring are positioned at the side of mounting collar and radially inwardly extending.Described rotating ring includes connecting ring 7, main ring 8 and first internal gear the 9, second internal gear 16, four are connected to one formula structure, wherein connect ring 7 and be fitted on equipment end lid, gland 5 is pressed on connection ring 7 and rotating ring and equipment end cap 2 is fixed, main ring 8 is enclosed within the little axle of multidiameter, and the first internal gear and the second internal gear are arranged radially on the periphery of main ring；The first outer tooth ring 4 in described stationary ring is at the first internal gear 9 and connects between ring 7, and the second outer tooth ring 15 is between the second internal gear 16 and the first internal gear 9, and rotating ring and stationary ring intermesh and intert and be collectively forming the gap of complications；Being fixed with felt seal ring 10 on the surface of described first outer tooth ring 4, felt seal ring 10 is positioned at the gap of complications, and contacts with rotating ring.
In stationary ring, the bottom of mounting collar is provided with row's fat hole slot 11, the both side surface of described second internal gear 16 is provided with protruding frizing step 17 radially, that arranges fat hole slot 11 is arranged below oil collection box 12, oil collection box is installed on the big axle of multidiameter, for collecting the waste grease discharged from row's fat hole slot.When needing the oils and fats changing annular seal space, waste and old oils and fats enters in gap, the both side surface of the second internal gear in rotating ring is provided with protruding frizing step radially, frizing step phantom ring rotates, and scrape the waste and old oils and fats entered in gap, waste and old oils and fats is thrown toward on the inner headed face of the stationary ring of surrounding under the influence of centrifugal force, then bottom is flowed under gravity, owing to the bottom of mounting collar is provided with row's fat hole slot, waste and old oils and fats flows out the external world through row's fat hole slot, and flows in the oil collection box of lower section.
Claims (3)
1. autonomous frizing row's fat sealing device that a kind is installed in multidiameter, at least include being installed on multidiameter and fix the stationary ring being connected with multidiameter, and the rotating ring being installed on equipment end lid and rotating around multidiameter with equipment end cap, described rotating ring is positioned at stationary ring and both rotate against, it is characterized in that: described stationary ring includes mounting collar and the first outer tooth ring, second outer tooth ring, three is connected to one formula structure, wherein mounting collar is enclosed within the big axle of multidiameter, mounting collar is by gland and is bolted on multidiameter, first outer tooth ring and the second outer tooth ring are positioned at the side of mounting collar and radially inwardly extending；
Described rotating ring includes connecting ring, main ring and the first internal gear, the second internal gear, four are connected to one formula structure, wherein connect ring and be fitted on equipment end lid, gland is pressed on connection ring and rotating ring and equipment end cap is fixed, main ring is enclosed within the little axle of multidiameter, and the first internal gear and the second internal gear are arranged radially on the periphery of main ring；The first outer tooth ring in described stationary ring is at the first internal gear and connects between ring, and the second outer tooth ring is between the second internal gear and the first internal gear, and rotating ring and stationary ring intermesh and intert and be collectively forming the gap of complications；Being fixed with felt seal ring on the surface of described first outer tooth ring, felt seal ring is positioned at the gap of complications, and contacts with rotating ring；In stationary ring, the bottom of mounting collar is provided with row's fat hole slot, and the both side surface of described second internal gear is provided with protruding frizing step radially.
2. the autonomous frizing row's fat sealing device being installed in multidiameter according to claim 1, it is characterised in that: that arranges fat hole slot is arranged below oil collection box, and oil collection box is installed on the big axle of multidiameter, for collecting the waste grease discharged from row's fat hole slot.
3. the autonomous frizing row's fat sealing device being installed in multidiameter according to claim 1, it is characterized in that: described rotating ring and stationary ring are split type structure, both of which is split into more than two parts of arc-shaped, both are provided with the gusset piece radially towards outer lug at subdivision place, each several part in rotating ring or stationary ring splices cyclization by gusset piece, and gusset piece is provided with attachment bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156054.1U CN205401719U (en) | 2016-02-29 | 2016-02-29 | Install autonomic frizing grease discharging sealing device in step shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156054.1U CN205401719U (en) | 2016-02-29 | 2016-02-29 | Install autonomic frizing grease discharging sealing device in step shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401719U true CN205401719U (en) | 2016-07-27 |
Family
ID=56947362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620156054.1U Expired - Fee Related CN205401719U (en) | 2016-02-29 | 2016-02-29 | Install autonomic frizing grease discharging sealing device in step shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401719U (en) |
-
2016
- 2016-02-29 CN CN201620156054.1U patent/CN205401719U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20180229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |