CN206608549U - A kind of stern tube shaft lubricating and sealing device - Google Patents
A kind of stern tube shaft lubricating and sealing device Download PDFInfo
- Publication number
- CN206608549U CN206608549U CN201720297834.2U CN201720297834U CN206608549U CN 206608549 U CN206608549 U CN 206608549U CN 201720297834 U CN201720297834 U CN 201720297834U CN 206608549 U CN206608549 U CN 206608549U
- Authority
- CN
- China
- Prior art keywords
- oil
- sealing device
- sealing shroud
- stern tube
- tube shaft
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of stern tube shaft lubricating and sealing device, including rotating ring, first sealing shroud, it is strong to determine angle steel, rope bolt, oil groove, rotating seat, air spring, second sealing shroud, oil guide groove, stationary ring, aluminium alloy flange, bottom land, helical spring, divide hydraulic fluid port and oil storage mouthful, the rotating ring is internally provided with the first sealing shroud, and first the inside of sealing shroud be inlaid with aluminium alloy flange, it is described strong to determine to be provided with air spring below angle steel, oil groove is connected with below the rope bolt, and oil groove is provided at both ends with rotating seat, the oil guide groove is fixedly arranged above stationary ring, the periphery of the helical spring is surrounded with air spring, oil storage mouthful is connected with below described point of hydraulic fluid port.A kind of stern tube shaft lubricating and sealing device of the present utility model, using rubber type sealed bearing structure, extends the service life of single unit system, and follow-up capability is superior；It is dynamic and static it is bicyclic complement each other, the adjustment of lubricating and sealing device is greatly facilitated, so as to prevent unexpected generation.
Description
Technical field
The utility model is related to ship technical field of auxiliary equipment, specially a kind of stern tube shaft lubricating and sealing device.
Background technology
Stern tube shaft, in the field of business to be tailing axle, tailing axle one end connection propeller, other end connection gear-box or shaft coupling, then with
Engine is connected.Large ship tailing axle is mounted on two bearings, one is tail bearing, that is, hull is contacted with water
Part.Another is fore bearing, connects with cabin.And between former and later two bearings it is tailing axle cabin, it is substantially closed
's.The sealing of stern tube shaft, the sealing of hull are to rely on the sealing ring being arranged on beside front and back bearings to realize that sealing ring is that a circle is close
The rubber ring closed, is enclosed on axle.General front and back bearings Dou Youji roads sealing ring, and be with oil filling between two sealing rings.
The maximum defect of present stern shaft seal ring is that sealing device is easily revealed, and can trigger serious oil leak event, so that near
Waters is polluted, and permanent work easily makes to be tightly connected position and abrasion is produced to stern tube shaft, once and sealing device misplace,
Adjustment is very cumbersome.
Utility model content
The purpose of this utility model is to provide a kind of stern tube shaft lubricating and sealing device, to solve to propose in above-mentioned background technology
The permanent work of sealing ring easily make to be tightly connected position abrasion produced to stern tube shaft, once and sealing device misplace, adjust non-
Often cumbersome the problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of stern tube shaft lubricating and sealing device, including it is dynamic
Ring, the first sealing shroud, strong determine angle steel, rope bolt, oil groove, rotating seat, air spring, the second sealing shroud, oil guide groove, stationary ring, aluminium
Alloy flange, bottom land, helical spring, point hydraulic fluid port and oil storage mouthful, the rotating ring are internally provided with the first sealing shroud, and first close
The inside of big envelope is inlaid with aluminium alloy flange, it is described it is strong determine to be provided with air spring below angle steel, the lower section of the rope bolt
It is connected with oil groove, and oil groove is provided at both ends with rotating seat, the left end of the air spring is connected with aluminium alloy flange, and air
The right-hand member of spring is provided with the second sealing shroud, and the oil guide groove is fixedly arranged above stationary ring, and the right-hand member of oil guide groove is connected with groove
Bottom, the periphery of the helical spring, which is surrounded with below air spring, described point of hydraulic fluid port, is connected with oil storage mouthful.
It is preferred that, it is described strong to determine angle steel for equal leg angle.
It is preferred that, the inwall lubrication of the oil groove, outer wall is double-deck card bead structure.
It is preferred that, the locking face of the stationary ring is set in the outer shaft axis of the first sealing shroud in overlaying state.
It is preferred that, the outer end face radial direction of the bottom land has platform, angled end-face and planar end surface successively.
Compared with prior art, the beneficial effects of the utility model are：The stern tube shaft lubricating and sealing device, uses rubber
Formula sealed bearing structure, coordinates with metal support structure, to improve thing of the whole lubricating and sealing device to stern shaft seal junction
Structure is managed, the anti-wear performance of this stern tube shaft lubricating and sealing device is superior, the service life of single unit system can be extended, rubber shaft bearing can be suitable
A series of axis vibrations that should be produced with the bounce or skew slowed down because of tail bearing and fore bearing, follow-up capability is superior, strong
Determine the connected support structures such as angle steel, rope bolt, aluminium alloy flange and rotating seat, abrasion can be provided for whole lubricating and sealing device and mended
Repay, add the resistance to overturning of sealing device, and it is dynamic and static it is bicyclic complement each other, coordinate rope bolt convenient disassembly, going wrong
When, the adjustment of lubricating and sealing device is greatly facilitated, so as to prevent unexpected generation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1- rotating rings, the sealing shrouds of 2- first, 3- is strong to determine angle steel, 4- rope bolts, 5- oil grooves, 6- rotating seats, 7- air bullets
Spring, the sealing shrouds of 8- second, 9- oil guide grooves, 10- stationary rings, 11- aluminium alloy flanges, 12- bottom lands, 13- helical springs, 14- points of hydraulic fluid ports,
15th, oil storage mouthful.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, the utility model provide a kind of stern tube shaft lubricating and sealing device, including rotating ring 1, the first sealing shroud 2,
It is strong to determine angle steel 3, rope bolt 4, oil groove 5, rotating seat 6, air spring 7, the second sealing shroud 8, oil guide groove 9, stationary ring 10, aluminium alloy method
Orchid 11, bottom land 12, helical spring 13, point hydraulic fluid port 14 and oil storage mouthfuls 15, rotating ring 1 is internally provided with the first sealing shroud 2, and first
The inside of sealing shroud 2 is inlaid with aluminium alloy flange 11, and the strong lower section for determining angle steel 3 is provided with air spring 7, strong to determine angle steel 3
For equal leg angle, fixed performance is stable, the lower section of rope bolt 4 is connected with oil groove 5, and oil groove 5 is provided at both ends with rotating seat 6, oil
The inwall lubrication of groove 5, outer wall is double-deck card bead structure, and inside does not hinder oil body to flow, and outside can preferably carry out two way seal,
The left end of air spring 7 is connected with aluminium alloy flange 11, and the right-hand member of air spring 7 is provided with the second sealing shroud 8, oil guide groove 9
Be fixedly arranged above stationary ring 10, the locking face of stationary ring 10 is set in the outer shaft axis of the first sealing shroud 2 in overlaying state, can be conceded
Space makes rotating seat 6 be engaged with rotating ring 1, and the right-hand member of oil guide groove 9 is connected with bottom land 12, the outer end face radial direction side of bottom land 12
To having platform, angled end-face and planar end surface successively, different end faces are set, and can preferably guide oil body direction, are reduced oil body and are overflow
Flowing velocity during leakage, the periphery of helical spring 13 is surrounded with air spring 7, and the lower section of point hydraulic fluid port 14 is connected with oil storage mouthful 15.
Operation principle：During using the stern tube shaft lubricating and sealing device, oil body is from the internal flow of oil groove 5, while it is dynamic to play lubrication
The effect of ring seat 6, can make the connection status of whole device change by adjusting outermost rotating ring 1, preferably adapt to not
It is strong to determine the effect that angle steel 3 also functions to the rotating ring 1 that is connected while stress, oil guide groove 9 with the connecting portion under working strength
Oil body can be guided to proper operation position, point hydraulic fluid port 14 will can overflow or the oil body of leakage introduces oil storage mouthful 15, same to space-time
Gas spring 7 absorbs excessive oil body, makes several times or tens times of the pressure superatmospheric in cavity, so as to realize its elasticity
Function, can touch prior-warning device before water pressure enters device.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should
Within protection domain of the present utility model.
Claims (5)
1. a kind of stern tube shaft lubricating and sealing device, it is characterised in that：Including rotating ring（1）, the first sealing shroud（2）, strong determine angle steel
（3）, rope bolt（4）, oil groove（5）, rotating seat（6）, air spring（7）, the second sealing shroud（8）, oil guide groove（9）, stationary ring（10）, aluminium
Alloy flange（11）, bottom land（12）, helical spring（13）, point hydraulic fluid port（14）With oil storage mouthful（15）, the rotating ring（1）Inside set
It is equipped with the first sealing shroud（2）, and the first sealing shroud（2）Inside be inlaid with aluminium alloy flange（11）, it is described strong to determine angle steel（3）
Lower section be provided with air spring（7）, the rope bolt（4）Lower section be connected with oil groove（5）, and oil groove（5）Be provided at both ends with
Rotating seat（6）, the air spring（7）Left end be connected with aluminium alloy flange（11）, and air spring（7）Right-hand member be provided with
Second sealing shroud（8）, the oil guide groove（9）Be fixedly arranged above stationary ring（10）, and oil guide groove（9）Right-hand member be connected with bottom land
（12）, the helical spring（13）Periphery be surrounded with air spring（7）, described point of hydraulic fluid port（14）Lower section be connected with oil storage mouthful
（15）.
2. a kind of stern tube shaft lubricating and sealing device according to claim 1, it is characterised in that：It is described strong to determine angle steel（3）For
Equal leg angle.
3. a kind of stern tube shaft lubricating and sealing device according to claim 1, it is characterised in that：The oil groove（5）Inwall profit
Sliding, outer wall is double-deck card bead structure.
4. a kind of stern tube shaft lubricating and sealing device according to claim 1, it is characterised in that：The stationary ring（10）Locking face
In the first sealing shroud（2）Outer shaft axis in overlaying state set.
5. a kind of stern tube shaft lubricating and sealing device according to claim 1, it is characterised in that：The bottom land（12）Outer end table
Face radial direction has platform, angled end-face and planar end surface successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297834.2U CN206608549U (en) | 2017-03-25 | 2017-03-25 | A kind of stern tube shaft lubricating and sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720297834.2U CN206608549U (en) | 2017-03-25 | 2017-03-25 | A kind of stern tube shaft lubricating and sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206608549U true CN206608549U (en) | 2017-11-03 |
Family
ID=60171940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720297834.2U Withdrawn - After Issue CN206608549U (en) | 2017-03-25 | 2017-03-25 | A kind of stern tube shaft lubricating and sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206608549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704597A (en) * | 2017-03-25 | 2017-05-24 | 无锡市翱宇特新科技发展有限公司 | Stern shaft lubricating and sealing device |
-
2017
- 2017-03-25 CN CN201720297834.2U patent/CN206608549U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704597A (en) * | 2017-03-25 | 2017-05-24 | 无锡市翱宇特新科技发展有限公司 | Stern shaft lubricating and sealing device |
| CN106704597B (en) * | 2017-03-25 | 2018-03-23 | 无锡市翱宇特新科技发展有限公司 | A kind of stern tube shaft lubricating and sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171103 Effective date of abandoning: 20180323 |