CN206145134U - Stern shaft sealing mechanism - Google Patents
Stern shaft sealing mechanism Download PDFInfo
- Publication number
- CN206145134U CN206145134U CN201621138680.4U CN201621138680U CN206145134U CN 206145134 U CN206145134 U CN 206145134U CN 201621138680 U CN201621138680 U CN 201621138680U CN 206145134 U CN206145134 U CN 206145134U
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- CN
- China
- Prior art keywords
- sealing ring
- ring bracket
- emergent
- bracket
- stern 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.)
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Abstract
The utility model belongs to the technical field of boats and ships, a stern shaft sealing mechanism is related to, including the installation base, be fixed with the gasbag in the hole of installation base, set up first sealing ring bracket on the installation base, first sealing ring bracket passes through the connecting piece and connects second sealing ring bracket, second sealing ring bracket outer end fixed connection sealing ring, and the laminating of sealing ring terminal surface sets up the supporting ring, connects the transmission ring on the supporting ring, install emergent seal between installation base and the first sealing ring bracket, the circular structure draw -around that emergent seal is equallyd divide by a plurality of lamellas becomes whole circle, and every lamella circular structure all can follow radial direction and remove. The utility model discloses have the emergent sealed function of adjustable, emergent mechanism can use repeatedly, and it is convenient, longe -lived to adjust, and emergent ability strengthens greatly when making the naval vessel navigation, guarantees that the naval vessel can continue to keep long -time navigation after flight time stern axle sealed main body far away became invalid.
Description
Technical field
The utility model belongs to technical field of ships, is related to a kind of stern shaft seal gland.
Background technology
What traditional shock resistance axial seal device for screw shaft of ship (referring to the patent No. 200810024665.0) was constituted
The relative motion surface of sealing friction pair causes water leakage rate gradually to increase because of the senior general that adds of wear extent, and to adverse circumstances in water
Under, the adaptability of such as silt etc. is poor, and sealing device sound friction pair will be caused to fail when serious, affects ship normally to navigate
OK.
The content of the invention
The utility model is directed to the problems referred to above, there is provided a kind of stern shaft seal gland, and the device has emergent sealing function.
According to the technical solution of the utility model：A kind of stern shaft seal gland, it is characterised in that：Including mounting seat, peace
Air bag is fixed with the endoporus of dress base, the first sealing ring bracket, the first sealing ring bracket are set in the mounting seat
Second sealing ring bracket, the second sealing ring carriage outer end fixed connection and sealing ring, the laminating of sealing ring end face are connected by connector
Support ring is set, transmission ring is connected in support ring；Emergent sealing is installed between the mounting seat and the first sealing ring bracket
Body, emergent seal crowds around into full circle by the arc structure that some lobes are divided equally, and can radially move per lobe arc structure.
Used as further improvement of the utility model, the connector includes elastic compensating body, the first main card circle, the second master
Collar and regulating bolt, the first main card circle is clamped in elastic compensating body one end in the draw-in groove of the first sealing ring bracket, the
Two main card circles are clamped in the elastic compensating body other end in the draw-in groove of the second sealing ring bracket, the first main card circle, the second main card circle
It is adjacent by regulating bolt.
As further improvement of the utility model, alignment pin phase is passed through between the sealing ring and the second sealing ring bracket
Connection.
Used as further improvement of the utility model, the second sealing ring bracket circle end face connects splash guard.
Used as further improvement of the utility model, arc structure described in per lobe is by emergent adjusting screw, emergent pressure
Tight nut is connected to the first sealing ring bracket.
Used as further improvement of the utility model, the mounting seat endoporus forms draw-in groove, and air bag, gas are arranged in draw-in groove
Capsule is fixed by trim ring, and conduit is formed on air bag, and bracing ring is arranged in conduit.
It is of the present utility model to have technical effect that：The utility model is wear-resistant, and silt in vessel motion environment etc. is disliked
Bad condition adaptive faculty is higher.Extend the service life of stern shaft seal gland, reduce the frequency of maintenance of ship shaft sealing, extend
Navigation time of ship.With adjustable emergent sealing function, emergency mechanism can Reusability, easy to adjust, life-span length makes warship
Emergency capability is greatly enhanced when ship is navigated by water, it is ensured that naval vessel can continue to keep long-time in oceangoing voyage after the failure of stern shaft seal main body
Navigation.
Description of the drawings
Fig. 1 is structural representation main view profile of the present utility model.
Fig. 2 is structural representation partial right side view of the present utility model.
Specific embodiment
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
Fig. 1, in 2, including mounting seat 1, trim ring 2, air bag 3, the first sealing ring bracket 4, the first main card circle 5, adjust spiral shell
Bolt 6, elastic compensating body 7, the second main card circle 8, the second sealing ring bracket 9, alignment pin 10, splash guard 11, sealing ring 12, support ring
13rd, snap ring 14, emergent seal 15, emergent adjusting screw 16, emergent clamp nut 17, bracing ring 18 etc. are driven.
As shown in Figure 1, 2, the utility model is a kind of stern shaft seal gland, including mounting seat 1, mounting seat 1 it is interior
Air bag 3 is fixed with hole, the first sealing ring bracket 4 is set in the mounting seat 1, the first sealing ring bracket 4 is by connecting
Fitting connects the second sealing ring bracket 9, the outer end fixed connection and sealing ring 12 of the second sealing ring bracket 9, the laminating of the end face of sealing ring 12
Support ring 13 is set, transmission ring 14 is connected in support ring 13；It is provided between the sealing ring bracket 4 of the mounting seat 1 and first
Emergent seal 15, emergent seal 15 crowds around into full circle by the arc structure that some lobes are divided equally, can edge per lobe arc structure
Radial direction is moved.
Connector includes elastic compensating body 7, the first main card circle 5, the second main card circle 8 and regulating bolt 6, first main card
Circle 5 is clamped in the one end of elastic compensating body 7 in the draw-in groove of the first sealing ring bracket 4, and the second main card circle 8 is another by elastic compensating body 7
One end is clamped in the draw-in groove of the second sealing ring bracket 9, and the first main card circle 5, the second main card circle 8 are adjacent by regulating bolt 6.
It is connected by alignment pin 10 between sealing ring 12 and the second sealing ring bracket 9.
The circle end face of second sealing ring bracket 9 connects splash guard 11.
Arc structure described in per lobe is connected to the first sealing ring support by emergent adjusting screw 16, emergent clamp nut 17
Frame 4.
The endoporus of mounting seat 1 forms draw-in groove, and air bag 3 is arranged in draw-in groove, and air bag 3 is fixed by trim ring 2, on air bag 3
Conduit is formed, bracing ring 18 is arranged in conduit, and bracing ring 18 is played a supporting role in 3 unaerated of air bag, is set on air bag 3
There is air-filled pore, the air flue being connected with air-filled pore is offered in mounting seat 1.Air bag 3 is inflated by air flue so that gas
The expansion of capsule 3 is seized, and forms sealing, can be carried out in boat maintenance and be changed the part in the utility model.
Cooling water cavity is formed between inner chamber of the present utility model and stern tube shaft, is offered in mounting seat 1 and cooling water cavity
The cooling-water duct being connected.
Emergent seal 15 in the utility model can be adjusted repeatedly, be used for multiple times, permanent durable, life-span length.
Claims (6)
1. a kind of stern shaft seal gland, it is characterised in that：Including mounting seat（1）, mounting seat（1）Endoporus in be fixed with gas
Capsule（3）, the mounting seat（1）The first sealing ring bracket of upper setting（4）, the first sealing ring bracket（4）By connector
Connect the second sealing ring bracket（9）, the second sealing ring bracket（9）Outer end fixed connection and sealing ring（12）, sealing ring（12）End face
Laminating arranges support ring（13）, support ring（13）Upper connection transmission ring（14）；The mounting seat（1）With the first sealing ring bracket
（4）Between emergent seal is installed（15）, seal of meeting an urgent need（15）The arc structure divided equally by some lobes crowds around into full circle, often
Lobe arc structure can be moved radially.
2. stern shaft seal gland as claimed in claim 1, it is characterised in that：The connector includes elastic compensating body（7）,
One main card circle（5）, the second main card circle（8）And regulating bolt（6）, the first main card circle（5）By elastic compensating body（7）One end card
Tightly in the first sealing ring bracket（4）Draw-in groove in, the second main card circle（8）By elastic compensating body（7）It is close that the other end is clamped in second
Seal ring bracket（9）Draw-in groove in, the first main card circle（5）, the second main card circle（8）By regulating bolt（6）It is adjacent.
3. stern shaft seal gland as claimed in claim 1, it is characterised in that：The sealing ring（12）With the second sealing ring bracket
（9）Between pass through alignment pin（10）It is connected.
4. stern shaft seal gland as claimed in claim 1, it is characterised in that：The second sealing ring bracket（9）Circle end face
Connection splash guard（11）.
5. stern shaft seal gland as claimed in claim 1, it is characterised in that：Arc structure described in per lobe is by emergent regulation
Screw（16）, emergent clamp nut（17）It is connected to the first sealing ring bracket（4）.
6. stern shaft seal gland as claimed in claim 1, it is characterised in that：The mounting seat（1）Endoporus forms draw-in groove, card
Air bag is set in groove（3）, air bag（3）By trim ring（2）It is fixed, air bag（3）Upper formation conduit, bracing ring（18）It is arranged at
In conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621138680.4U CN206145134U (en) | 2016-10-19 | 2016-10-19 | Stern shaft sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621138680.4U CN206145134U (en) | 2016-10-19 | 2016-10-19 | Stern shaft sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206145134U true CN206145134U (en) | 2017-05-03 |
Family
ID=58621943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621138680.4U Active CN206145134U (en) | 2016-10-19 | 2016-10-19 | Stern shaft sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206145134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321855A (en) * | 2016-10-19 | 2017-01-11 | 无锡市宏源弹性器材有限公司 | Stern shaft sealing device |
-
2016
- 2016-10-19 CN CN201621138680.4U patent/CN206145134U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321855A (en) * | 2016-10-19 | 2017-01-11 | 无锡市宏源弹性器材有限公司 | Stern shaft sealing device |
| CN106321855B (en) * | 2016-10-19 | 2018-06-01 | 无锡市宏源弹性器材有限公司 | Stern shaft seal gland |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |